/* ============================================
   PT FITNESS — LANDING PAGE STYLES
   ============================================ */

/* ============================================
   RESET & ROOT
============================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* Google Material Symbols base */
.material-symbols-rounded {
  font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  font-size: 22px;
  line-height: 1;
  user-select: none;
}

:root {
  --bg:        #0a0a0a;
  --bg2:       #111111;
  --bg3:       #181818;
  --accent:    #E5A91A; /* Vàng kim / Gold Yellow */
  --accent2:   #C58F10; /* Vàng đậm / Deep Gold */
  --accent-light: #FFF08A; /* Vàng ánh kim sáng */
  --white:     #ffffff;
  --gray:      #888888;
  --gray2:     #555555;
  --border:    rgba(255,255,255,0.08);
  --font-main: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-head: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius:    12px;
  --ease:      cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  background-color: #080808;
  background-image: url('../img/dark-texture.jpg');
  background-repeat: repeat;
  background-attachment: fixed;
  background-size: 500px 500px;
  color: var(--white);
  font-family: var(--font-main);
  overflow-x: hidden;
  cursor: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ============================================
   CUSTOM CURSOR
============================================ */
#cursor {
  position: fixed;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s var(--ease);
}
#cursor-follower {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(229,169,26,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: all 0.3s var(--ease);
}

/* ============================================
   PRELOADER
============================================ */
#preloader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; }

.preloader-inner { text-align: center; }
.preloader-logo-wrap {
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.preloader-logo-img {
  height: clamp(64px, 8vw, 90px);
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  animation: preloaderFade 1.2s ease-in-out infinite alternate;
}
@keyframes preloaderFade {
  0% { opacity: 0.75; }
  100% { opacity: 1; }
}

.preloader-bar {
  width: 200px; height: 2px;
  background: var(--border);
  border-radius: 2px;
  margin: 20px auto 0;
  overflow: hidden;
}
.preloader-bar-fill {
  height: 100%; width: 0;
  background: var(--accent);
  border-radius: 2px;
  animation: barFill 1.8s var(--ease) forwards;
}
@keyframes barFill { to { width: 100%; } }

/* ============================================
   OFF-CANVAS MENU
============================================ */
.offcanvas-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  opacity: 0; visibility: hidden;
  transition: all 0.4s ease;
}
.offcanvas-overlay.active { opacity: 1; visibility: visible; }

.offcanvas {
  position: fixed;
  top: 0; right: 0;
  width: 420px; max-width: 90vw;
  height: 100%;
  background: var(--bg2);
  border-left: 1px solid var(--border);
  z-index: 10001;
  padding: 48px 40px;
  transform: translateX(100%);
  transition: transform 0.6s var(--ease);
  display: flex; flex-direction: column; gap: 32px;
  overflow-y: auto;
}
.offcanvas.active { transform: translateX(0); }

.offcanvas-close {
  position: absolute; top: 32px; right: 32px;
  background: none; border: 1px solid var(--border);
  color: var(--white);
  width: 44px; height: 44px; border-radius: 50%;
  cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.offcanvas-close:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

.offcanvas-logo { font-family: var(--font-head); font-size: 22px; font-weight: 800; }
.offcanvas-logo span { color: var(--accent); }

.offcanvas-desc {
  font-size: 14px; color: var(--gray); line-height: 1.7;
  border-top: 1px solid var(--border); padding-top: 32px;
}

.offcanvas-nav ul { display: flex; flex-direction: column; gap: 2px; }
.offcanvas-nav ul li a {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 700;
  background: linear-gradient(180deg, #FFFFFF 15%, #E2E8F0 55%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 10px 0;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  letter-spacing: -0.3px;
}
.offcanvas-nav ul li a:hover {
  background: linear-gradient(180deg, #FFF08A 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-left: 6px;
}

/* Offcanvas Single Silver CTA Button */
.offcanvas-action-wrap {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.offcanvas-silver-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 22px;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 40%, #e2e8f0 70%, #cbd5e1 100%);
  color: #0a0a0a !important;
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: 40px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(255,255,255,0.12), 0 4px 12px rgba(0,0,0,0.4);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
}
.offcanvas-silver-btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  transition: left 0.6s ease;
}
.offcanvas-silver-btn:hover::before {
  left: 100%;
}
.offcanvas-silver-btn:hover {
  background: linear-gradient(135deg, #ffffff 0%, #ffffff 50%, #f1f5f9 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255,255,255,0.22), 0 6px 16px rgba(0,0,0,0.5);
  color: #000000 !important;
}
.offcanvas-silver-btn .btn-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #0a0a0a;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.35s ease, background 0.35s ease;
}
.offcanvas-silver-btn .btn-arrow .material-symbols-rounded {
  font-size: 18px;
  transition: transform 0.35s ease;
}
.offcanvas-silver-btn:hover .btn-arrow {
  background: var(--accent);
  transform: scale(1.08);
}
.offcanvas-silver-btn:hover .btn-arrow .material-symbols-rounded {
  transform: translateX(2px);
}

/* ============================================
   HEADER
============================================ */
header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 7000;
  padding: 24px 60px;
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
}
header.scrolled {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  padding: 16px 60px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo-img {
  height: clamp(54px, 5.5vw, 66px);
  width: auto;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
}
.offcanvas-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
}
.footer-logo-img {
  height: 58px;
  width: auto;
  object-fit: contain;
  display: block;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
}

/* Center Desktop Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.header-nav .nav-link {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  padding: 6px 0;
}
.header-nav .nav-link:hover,
.header-nav .nav-link.active {
  color: #ffffff;
}
.header-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.header-nav .nav-link:hover::after,
.header-nav .nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Pill Action Button */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 40px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: transparent;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.btn-outline:hover {
  border-color: #ffffff;
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  color: #0a0a0a;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

/* Circular Hamburger Button */
.hamburger {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  background: transparent;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}
.hamburger:hover span {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

/* ============================================
   HERO — SECTION 1
============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 130px 60px 70px;
  position: relative;
  overflow: hidden;
}
.hero-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 70px;
}
.hero-top-row {
  display: flex;
  justify-content: flex-start;
}

.hero-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(90deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.8) 45%, rgba(10,10,10,0.55) 100%),
    linear-gradient(180deg, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.9) 100%),
    url('../gym-hero.jpg');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 45%, rgba(229,169,26,0.16) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 15% 75%, rgba(229,169,26,0.06) 0%, transparent 50%);
}
.hero-noise {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.5; pointer-events: none;
}

/* Hero texture pattern */
.hero-pattern {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(229,169,26,0.015) 40px,
    rgba(229,169,26,0.015) 41px
  );
  pointer-events: none;
}

.hero-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column;
  align-items: flex-start;
  text-align: left;
  max-width: 960px;
  gap: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  border: none;
  background: none;
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}
.hero-badge::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

.mobile-only { display: none !important; }

.hero-title {
  font-family: var(--font-head);
  font-size: 58px;
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.03em;
}
.hero-title .line {
  overflow: hidden;
  display: block;
  padding-bottom: 2px;
}
.hero-title .line span {
  display: block;
  padding-bottom: 2px;
  line-height: 1.18;
  transform: translateY(110%);
  animation: lineReveal 1s var(--ease) forwards;
  background: linear-gradient(180deg, #FFFFFF 15%, #E2E8F0 55%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-title .line-main span {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.15;
}
.hero-title .line-sub {
  margin-top: 10px;
}
.hero-title .line-sub span {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
@media (min-width: 901px) {
  .hero-title .line span {
    white-space: nowrap;
  }
}
.hero-title .line:nth-child(1) span { animation-delay: 0.4s; }
.hero-title .line:nth-child(2) span { animation-delay: 0.55s; }
.hero-title .line:nth-child(3) span { animation-delay: 0.7s; }
.hero-title .accent {
  background: linear-gradient(180deg, #FFF08A 0%, var(--accent) 55%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: normal;
  display: inline;
}
@keyframes lineReveal { to { transform: translateY(0); } }

.hero-desc {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.65;
  max-width: 960px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.9s forwards;
}

.hero-cta {
  display: flex; align-items: center; justify-content: flex-start; gap: 16px; flex-wrap: wrap;
  opacity: 0; animation: fadeUp 1s var(--ease) 1.05s forwards;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 15px 30px;
  background: linear-gradient(135deg, #F5A623 0%, var(--accent) 50%, #D4AF37 100%);
  color: #0a0a0a;
  border-radius: 40px; font-size: 14px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  position: relative; overflow: hidden;
  box-shadow: 0 8px 24px rgba(229,169,26,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-primary::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, #FFF08A 0%, #F5A623 100%);
  transform: translateX(-100%);
  transition: transform 0.4s var(--ease);
  z-index: 0;
}
.btn-primary:hover::before { transform: translateX(0); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(229,169,26,0.45); }
.btn-primary span, .btn-primary i, .btn-primary .material-symbols-rounded { position: relative; z-index: 1; }
.btn-primary i, .btn-primary .material-symbols-rounded { transform: rotate(-45deg); transition: transform 0.3s ease; font-size: 18px; }
.btn-primary:hover i, .btn-primary:hover .material-symbols-rounded { transform: rotate(0deg); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 28px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 40px; font-size: 14px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px;
  transition: all 0.3s ease;
}
.btn-secondary:hover { border-color: var(--white); background: rgba(255,255,255,0.06); }

/* Full-width Centered Stats bar */
.hero-stats-wrapper {
  width: 100%;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1.2s forwards;
}
.hero-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0,0,0,0.35);
}
.hero-stat-item {
  background: rgba(255,255,255,0.025);
  backdrop-filter: blur(12px);
  padding: 22px 30px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
}
.hero-stat-item:hover {
  background: rgba(229,169,26,0.08);
  transform: translateY(-2px);
}
.hero-stat-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}
.hero-stat-num {
  font-family: var(--font-head);
  font-size: clamp(24px, 2.5vw, 34px);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 6px;
}
.hero-stat-label {
  font-size: 14px;
  color: rgba(255,255,255,0.72);
  line-height: 1.5;
  font-weight: 300;
}

/* Hero visual side */
.hero-visual {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; animation: fadeRight 1s var(--ease) 0.5s forwards;
}
@keyframes fadeRight { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

.hero-visual-frame {
  position: relative;
  width: 100%;
}
.hero-visual-main {
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg3);
  border: 1px solid var(--border);
  aspect-ratio: 16/10;
  width: 100%;
  max-height: 370px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
  box-shadow: 0 30px 60px rgba(0,0,0,0.55), 0 0 0 1px rgba(229,169,26,0.18);
}
.hero-gym-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.hero-visual-main:hover .hero-gym-img {
  transform: scale(1.03);
}

/* Dark textured machine mockup */
.machine-mockup {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #1a1a1a 0%, #0d0d0d 100%);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.machine-mockup::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    90deg, transparent, transparent 80px,
    rgba(229,169,26,0.03) 80px, rgba(229,169,26,0.03) 81px
  ),
  repeating-linear-gradient(
    0deg, transparent, transparent 80px,
    rgba(229,169,26,0.03) 80px, rgba(229,169,26,0.03) 81px
  );
}
.machine-icon {
  font-size: 80px;
  opacity: 0.12;
  position: relative; z-index: 1;
  color: #fff;
}
.machine-label {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.machine-label-text {
  font-family: var(--font-head);
  font-size: 14px; font-weight: 700;
  color: rgba(255,255,255,0.5);
}
.machine-badge-pill {
  background: linear-gradient(135deg, #F5A623 0%, var(--accent) 100%);
  color: #0a0a0a;
  font-size: 10px; font-weight: 800;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 5px 12px; border-radius: 20px;
}

/* Floating accent cards */
.float-card {
  position: absolute;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.float-card-1 { bottom: -20px; left: -20px; }
.float-card-2 { top: -20px; right: -20px; }
.float-card-icon {
  width: 36px; height: 36px;
  background: rgba(229,169,26,0.15);
  border: 1px solid rgba(229,169,26,0.3);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 14px;
}
.float-card-text { font-family: var(--font-head); font-size: 13px; font-weight: 700; line-height: 1.3; }
.float-card-sub { font-size: 11px; color: var(--gray); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ============================================
   MARQUEE
============================================ */
.marquee-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  overflow: hidden;
  background: var(--bg2);
}
.marquee-track {
  display: flex; gap: 60px;
  animation: marquee 20s linear infinite;
  white-space: nowrap; width: max-content;
}
.marquee-item {
  display: flex; align-items: center; gap: 20px;
  font-family: var(--font-head);
  font-size: 13px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  background: linear-gradient(180deg, #FFFFFF 0%, #E2E8F0 50%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.marquee-item .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============================================
   SECTION COMMONS
============================================ */
.section { padding: 120px 60px; }
.section-inner { max-width: 1200px; margin: 0 auto; }

.section-label {
  font-size: 11px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--accent); margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.section-label::before { content: ''; display: block; width: 24px; height: 1px; background: var(--accent); }

/* Centered Section Header Utility */
.section-header-center {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 48px;
}
.section-header-center .section-label {
  justify-content: center;
}
.section-header-center .section-label::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.section-header-center .section-title {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

.section-title {
  font-family: var(--font-head);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin-bottom: 60px;
  padding-bottom: 8px;
  background: linear-gradient(180deg, #FFFFFF 15%, #E2E8F0 55%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title em {
  background: linear-gradient(180deg, #FFF08A 0%, var(--accent) 55%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  padding-bottom: 4px;
}

/* ============================================
   SECTION 2 — HIỂU BẠN ĐANG PHÂN VÂN & TIÊU CHÍ (DARK THEME)
============================================ */
.pain-section {
  background: transparent;
  color: #ffffff;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 100px 60px;
  position: relative;
  overflow: hidden;
}
.pain-section::before {
  content: '';
  position: absolute;
  top: 10%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(229,169,26,0.035) 0%, transparent 70%);
  pointer-events: none;
}
.pain-section .section-label {
  color: var(--accent);
  margin-bottom: 16px;
}

/* Block 1: Có phải bạn đang phân vân? */
.pain-block {
  margin-bottom: 90px;
  position: relative;
  z-index: 1;
}

.pain-gradient-title {
  font-family: var(--font-head);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(90deg, #FFFFFF 0%, #E2E8F0 45%, #94A3B8 80%, #64748B 100%) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: #ffffff;
  display: inline-block;
}

.pain-two-cols {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.pain-list-side {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pain-ul-list {
  display: flex;
  flex-direction: column;
  gap: 0px;
}
.pain-ul-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 15.5px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.pain-ul-list li:last-child {
  border-bottom: none;
}
.pain-ul-list li:hover {
  color: #ffffff;
  transform: translateX(4px);
}
.pain-check-icon {
  color: var(--accent);
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 1px;
  filter: drop-shadow(0 2px 8px rgba(229,169,26,0.35));
}

/* Right Media Card (Aspect Ratio 1:1) */
.pain-media-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.12);
  background: #0f172a;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}
.pain-media-img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.pain-media-card:hover .pain-media-img {
  transform: scale(1.04);
}

/* Block 2: Tiêu chí quyết định chất lượng máy chạy bộ */
.criteria-master-block {
  padding-top: 60px;
  border-top: 1px solid rgba(255,255,255,0.08);
  position: relative;
  z-index: 1;
}
.criteria-master-head {
  max-width: 960px;
  margin: 0 auto 48px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.criteria-master-title {
  font-family: var(--font-head);
  font-size: 38px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #FFFFFF 0%, #E2E8F0 45%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.criteria-master-desc {
  font-size: 15.5px;
  color: rgba(255,255,255,0.72);
  line-height: 1.75;
}
.criteria-master-desc strong {
  color: #ffffff;
}

/* ============================================
   CRITERIA 3-COLUMN TIMELINE SYSTEM (DARK LUXURY)
============================================ */
.criteria-grid-3cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.criteria-col-card {
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.criteria-col-card:hover {
  transform: translateY(-8px);
  border-color: rgba(229, 169, 26, 0.6);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.65), 0 0 24px rgba(229, 169, 26, 0.15);
}

.criteria-col-card.featured-gold {
  border-color: rgba(229, 169, 26, 0.35);
  background: linear-gradient(180deg, rgba(229, 169, 26, 0.06) 0%, rgba(255, 255, 255, 0.03) 100%);
}

.c-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.c-card-num-badge {
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  letter-spacing: -1px;
  opacity: 0.95;
}

.c-card-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(229, 169, 26, 0.12);
  border: 1px solid rgba(229, 169, 26, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.c-card-icon-wrap .material-symbols-rounded {
  font-size: 24px;
}

.c-card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.c-card-step-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  display: block;
  margin-bottom: 6px;
}

.c-card-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.3;
}

.c-card-desc {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* Card 1: Highlight Box */
.c-card-highlight-box {
  background: rgba(229, 169, 26, 0.1);
  border: 1px solid rgba(229, 169, 26, 0.35);
  border-radius: 16px;
  padding: 18px 16px;
  margin-bottom: 16px;
}

.c-hl-badge {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #0a0a0a;
  background: var(--accent);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 8px;
}

.c-hl-price {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.c-hl-text {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin: 0;
}

.c-mini-tiers-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
}

.c-tier-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.c-tier-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.c-tier-item strong {
  color: rgba(255, 255, 255, 0.95);
}

/* Card 2: Brand stats */
.c-brand-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.c-bstat-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 14px 12px;
  text-align: center;
}

.c-bstat-num {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  display: block;
}

.c-bstat-lbl {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
  margin-top: 5px;
  display: block;
}

.c-brand-note {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(229, 169, 26, 0.08);
  border: 1px solid rgba(229, 169, 26, 0.25);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  margin-top: auto;
}

.c-brand-note .material-symbols-rounded {
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
}

/* Card 3: Durability */
.c-durability-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.c-dur-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  padding: 12px 14px;
}

.c-dur-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.c-dur-icon .material-symbols-rounded {
  font-size: 20px;
}

.c-dur-info strong {
  font-size: 14.5px;
  color: #ffffff;
  display: block;
  margin-bottom: 2px;
}

.c-dur-info span {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.45;
  display: block;
}

.c-durability-proof-line {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.85);
  margin-top: auto;
}

.c-durability-proof-line .material-symbols-rounded {
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .criteria-grid-3cols {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}


/* ═════════════════════════════════════════════
   GLOBAL VIDEO LIGHTBOX MODAL
═════════════════════════════════════════════ */
.video-lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.video-lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.video-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  cursor: pointer;
}
.video-lightbox-dialog {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 920px;
  aspect-ratio: 16 / 9;
  background: #000000;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transform: scale(0.92);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.video-lightbox-overlay.active .video-lightbox-dialog {
  transform: scale(1);
}
.video-lightbox-close {
  position: absolute;
  top: -46px;
  right: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  z-index: 3;
}
.video-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}
.video-lightbox-frame {
  width: 100%;
  height: 100%;
}
.video-lightbox-frame iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}

/* ═════════════════════════════════════════════
   3. PILLAR 3: SLATE METALLIC SILVER (#E5E7EB)
═════════════════════════════════════════════ */
.pillar-card.pillar-mono-3 {
  background: #e5e7eb;
  color: #0a0a0a;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.pillar-mono-3 .pillar-heading,
.pillar-mono-3 .pillar-q-title,
.pillar-mono-3 .video-reviews-title,
.pillar-mono-3 .gallery-head-title {
  color: #0a0a0a;
}
.pillar-mono-3 .pillar-lead,
.pillar-mono-3 .pillar-q-text {
  color: #475569;
}
.pillar-mono-3 .dur-factor-item {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.pillar-mono-3 .dur-factor-icon {
  background: #0a0a0a;
  color: var(--accent);
}
.pillar-mono-3 .dur-factor-title {
  color: #0a0a0a;
}
.pillar-mono-3 .dur-factor-desc {
  color: #475569;
}
.pillar-mono-3 .durability-proof-box {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border-left: 4px solid #0a0a0a;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}
.pillar-mono-3 .dur-rule-text {
  color: #0a0a0a;
}
.pillar-mono-3 .dur-rule-desc {
  color: #475569;
}
.pillar-mono-3 .gym-choice-item {
  color: #1e293b;
}
.pillar-mono-3 .gym-choice-item .material-symbols-rounded {
  color: #0a0a0a;
}
.pillar-mono-3 .gym-video-reviews-box {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.pillar-mono-3 .v-review-card {
  color: #1e293b;
}
.pillar-mono-3 .v-review-card .material-symbols-rounded {
  color: #ef4444;
}

/* Shared Inner Grid Styles */
.budget-tiers-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 16px;
  margin-top: 16px;
}
.budget-tier-card {
  padding: 22px 20px;
  border-radius: 16px;
  font-size: 13.5px;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tier-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.tier-tag-rec {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.tier-price, .tier-price-rec {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 800;
}
.tier-desc, .tier-desc-rec {
  font-size: 13px;
}

.brand-spotlight-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14.5px;
  line-height: 1.5;
}
.impulse-reasons-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 18px 0 26px;
}
.reason-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.55;
}
.reason-row .material-symbols-rounded {
  font-size: 20px;
  margin-top: 1px;
  flex-shrink: 0;
}
.video-testimonial-preview {
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.video-badge-pill {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}
.video-preview-quote {
  font-size: 14.5px;
  font-style: italic;
  line-height: 1.55;
}
.video-preview-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  transition: opacity 0.2s;
  width: fit-content;
}
.video-preview-cta:hover {
  opacity: 0.85;
}

.durability-factors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 16px 0 24px;
}
.dur-factor-item {
  border-radius: 16px;
  padding: 0; overflow: hidden;
}
.dur-factor-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.dur-factor-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.dur-factor-desc {
  font-size: 13px;
  line-height: 1.5;
}

.durability-proof-box {
  padding: 22px 26px;
  border-radius: 0 16px 16px 0;
  margin-bottom: 24px;
}
.dur-rule-text {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 8px;
}
.dur-rule-desc {
  font-size: 13.5px;
  line-height: 1.65;
}

.gym-owners-choice-box {
  margin-bottom: 24px;
}
.gym-owners-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
  margin-top: 14px;
}
.gym-choice-item {
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.gym-choice-item .material-symbols-rounded {
  font-size: 18px;
  margin-top: 2px;
  flex-shrink: 0;
}

.gym-video-reviews-box {
  border-radius: 16px;
  padding: 22px 26px;
  margin-bottom: 24px;
}
.video-reviews-title {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* ═════════════════════════════════════════════
   SECTION 2D: VIDEO REVIEWS (DARK GYM THEME)
═════════════════════════════════════════════ */
.video-reviews-section {
  position: relative;
  background: #080a0f;
  color: #ffffff;
  padding: 100px 0;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.video-reviews-bg {
  position: absolute;
  inset: -20px;
  background-image: 
    linear-gradient(180deg, rgba(8, 10, 15, 0.88) 0%, rgba(8, 10, 15, 0.94) 100%),
    radial-gradient(ellipse 60% 70% at 50% 30%, rgba(229, 169, 26, 0.08) 0%, transparent 70%),
    url('../gym-hero.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  filter: blur(14px);
  transform: scale(1.06);
  pointer-events: none;
  z-index: 1;
}
.video-reviews-section .section-title {
  color: #ffffff;
  background: linear-gradient(180deg, #FFFFFF 15%, #E2E8F0 55%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 48px;
}
.video-reviews-section .section-title em {
  background: linear-gradient(180deg, #FFF08A 0%, var(--accent) 55%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.video-reviews-section .v-reviews-two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.video-reviews-section .v-review-video-card {
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease, border-color 0.3s;
}
.video-reviews-section .v-review-video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.6);
  border-color: rgba(229, 169, 26, 0.45);
}
.video-reviews-section .v-review-iframe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  overflow: hidden;
}
.video-reviews-section .v-review-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}
.video-reviews-section .v-review-card-body {
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  background: transparent;
}
.video-reviews-section .v-speaker-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.video-reviews-section .v-speaker-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}
.video-reviews-section .v-speaker-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-reviews-section .v-speaker-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.video-reviews-section .v-speaker-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}
.video-reviews-section .v-speaker-role {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.4;
}
.video-reviews-section .v-speaker-quote {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.65;
  font-style: italic;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
  margin: 0;
}

.gym-real-gallery-box {
  margin-top: 28px;
}
.gallery-head-title {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 18px;
}

/* ═════════════════════════════════════════════
   BENTO GALLERY GRID (15+ IMAGES SHOWCASE)
═════════════════════════════════════════════ */
.bento-gallery-wrap {
  width: 100%;
}
.bento-gallery-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  grid-template-rows: 210px 210px;
  gap: 16px;
  border-radius: 20px;
}
.bento-item {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  cursor: pointer;
  background: #0f172a;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s ease, border-color 0.3s;
}
.bento-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
  border-color: var(--accent);
}
.bento-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, filter 0.4s ease;
}
.bento-item:hover img {
  transform: scale(1.06);
  filter: brightness(0.85);
}
.bento-featured {
  grid-row: span 2;
  border-radius: 20px;
}
.bento-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 35%, rgba(10, 10, 15, 0.85) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 22px;
  color: #ffffff;
  transition: background 0.3s ease;
}
.bento-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.bento-tag {
  font-family: var(--font-head);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}
.bento-item-title {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
}
.bento-featured .bento-item-title {
  font-size: 19px;
}
.bento-item-sub {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
}
.bento-zoom-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-variation-settings: 'FILL' 0, 'wght' 200, 'GRAD' 0, 'opsz' 20;
  color: rgba(255, 255, 255, 0.85);
  flex-shrink: 0;
  opacity: 0.85;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.bento-featured .bento-zoom-icon {
  width: 36px;
  height: 36px;
  font-size: 18px;
  font-variation-settings: 'FILL' 0, 'wght' 200, 'GRAD' 0, 'opsz' 24;
  background: var(--accent);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #0a0a0a;
}

.bento-item:hover .bento-zoom-icon {
  opacity: 1;
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(229, 169, 26, 0.35);
}

/* Bento More (+10 images card) */
.bento-more-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(229, 169, 26, 0.9) 100%);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0; overflow: hidden;
  transition: all 0.4s ease;
}
.bento-item.bento-more:hover .bento-more-overlay {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.7) 0%, rgba(229, 169, 26, 0.95) 100%);
  backdrop-filter: blur(2px);
}
.bento-more-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: #ffffff;
}
.bento-more-icon {
  font-size: 32px;
  color: #ffffff;
  margin-bottom: 2px;
}
.bento-more-count {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: #ffffff;
}
.bento-more-text {
  font-size: 12.5px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 0.2px;
}

.bento-action-bar {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}
.bento-viewall-btn {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  color: #0f172a;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.bento-viewall-btn:hover {
  background: #f8fafc;
  border-color: var(--accent);
  transform: translateY(-2px);
}
.gallery-lb-counter {
  position: absolute;
  top: -36px;
  right: 0;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(0, 0, 0, 0.5);
  padding: 4px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Prev / Next Buttons */
.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(10,10,10,0.72);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.18);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s ease, transform 0.2s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.gallery-nav:hover {
  background: rgba(10,10,10,0.92);
  transform: translateY(-50%) scale(1.08);
}
.gallery-nav .material-symbols-rounded { font-size: 26px; }
.gallery-prev { left: -20px; }
.gallery-next { right: -20px; }

/* Dots */
.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
}
.gallery-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(0,0,0,0.2);
  cursor: pointer;
  transition: background 0.25s, transform 0.25s;
}
.gallery-dot.active {
  background: var(--accent);
  transform: scale(1.35);
}

/* ─── Gallery Lightbox ─── */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.gallery-lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.gallery-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  cursor: zoom-out;
}
.gallery-lb-content {
  position: relative;
  z-index: 1;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.gallery-lb-content img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 16px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  transition: opacity 0.25s ease;
}
.gallery-lb-caption {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.3px;
}
.gallery-lb-close {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 2;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}
.gallery-lb-close:hover { background: rgba(255,255,255,0.22); }
.gallery-lb-close .material-symbols-rounded { font-size: 26px; }
.gallery-lb-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.gallery-lb-nav:hover {
  background: rgba(255,255,255,0.24);
  transform: translateY(-50%) scale(1.08);
}
.gallery-lb-prev { left: 20px; }
.gallery-lb-next { right: 20px; }
.gallery-lb-nav .material-symbols-rounded { font-size: 30px; }

/* Why Impulse grid (Light Theme) */
.why-section {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  color: #0f172a;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.why-section .section-title {
  color: #0f172a;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: #0f172a;
  margin-bottom: 40px;
}
.why-section .section-title em {
  font-style: italic;
  color: var(--accent);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--accent);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border: 1px solid #e8edf4;
  border-radius: 18px;
  padding: 34px 28px;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.why-card:hover {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border-color: rgba(229, 169, 26, 0.45);
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(229, 169, 26, 0.12), 0 4px 12px rgba(0, 0, 0, 0.03);
}
.why-card::before {
  content: attr(data-num);
  font-family: var(--font-head);
  font-size: 64px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: absolute;
  top: 22px;
  right: 26px;
  line-height: 1;
  letter-spacing: -1.5px;
  opacity: 1;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: none;
}
.why-card:hover::before {
  opacity: 1;
  transform: scale(1.08);
  filter: drop-shadow(0 4px 10px rgba(229, 169, 26, 0.4));
}
.why-icon {
  width: 52px;
  height: 52px;
  background: rgba(229, 169, 26, 0.12);
  border: 1.5px solid rgba(229, 169, 26, 0.35);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 22px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 4px 12px rgba(229, 169, 26, 0.12);
}
.why-icon .material-symbols-rounded {
  font-size: 26px;
  color: #d97706;
}
.why-card:hover .why-icon {
  background: linear-gradient(135deg, #F5A623 0%, #E5A91A 100%);
  border-color: #E5A91A;
  transform: scale(1.08);
  box-shadow: 0 6px 18px rgba(229, 169, 26, 0.35);
}
.why-card:hover .why-icon .material-symbols-rounded {
  color: #0a0a0a;
}
.why-title {
  font-family: var(--font-head);
  font-size: 18.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: #0f172a;
}
.why-desc {
  font-size: 14.5px;
  color: #64748b;
  line-height: 1.6;
}

/* Proof Section (Light Gray Theme) */
.proof-section {
  background: #f8fafc;
  color: #0f172a;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.proof-section .section-title {
  color: #0f172a;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: #0f172a;
  margin-bottom: 40px;
}
.proof-section .section-title em {
  font-style: italic;
  color: var(--accent);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--accent);
}
.proof-section .v-review-video-card {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border: 1px solid rgba(0, 0, 0, 0.07);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.04);
}
.proof-section .v-review-video-label {
  color: #1e293b;
}

.proof-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px; margin-top: 48px;
}
.gallery-item {
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; background: #f1f5f9;
  border: 1px solid rgba(0,0,0,0.08);
  display: flex; align-items: center; justify-content: center;
  position: relative; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.04);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.gallery-item:hover { transform: scale(1.02); box-shadow: 0 16px 36px rgba(0,0,0,0.12); }
.gallery-item:first-child { grid-column: span 2; aspect-ratio: auto; min-height: 200px; }
.gallery-placeholder {
  font-size: 32px; color: rgba(229,169,26,0.25);
  font-family: var(--font-head); font-weight: 800;
}
.gallery-bg-1 { background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%); }
.gallery-bg-2 { background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%); }
.gallery-bg-3 { background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); }
.gallery-bg-4 { background: linear-gradient(135deg, #fffbeb 0%, #fde68a 100%); }

/* ============================================
   SECTION 3 — PRODUCTS TABS (Light Gray Theme)
============================================ */
.products-section {
  background: #f8fafc;
  color: #0f172a;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.products-section .section-label {
  color: var(--accent);
}
.products-section .section-label::before {
  background: var(--accent);
}
.products-section .section-title {
  color: #0f172a;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: #0f172a;
  margin-bottom: 32px;
}
.products-section .section-title em {
  font-style: italic;
  color: var(--accent);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--accent);
}

/* Products Header Split: Title Left, Tabs Right */
.products-header-split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.products-header-left {
  flex: 1;
  min-width: 300px;
}
.products-header-left .section-label {
  margin-bottom: 12px;
  justify-content: flex-start;
}
.products-header-left .section-title {
  margin-bottom: 0;
  text-align: left;
}
.products-header-split .product-tabs-nav {
  margin-bottom: 4px;
  flex-shrink: 0;
}

.product-tabs-nav {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  border-radius: 50px;
  padding: 6px;
  width: fit-content;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.tab-btn {
  padding: 13px 30px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: transparent;
  border: none;
  border-radius: 40px;
  cursor: pointer;
  color: #64748b;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}
.tab-btn.active {
  background: linear-gradient(135deg, #F5A623 0%, var(--accent) 100%);
  color: #0a0a0a;
  font-weight: 800;
  box-shadow: 0 4px 16px rgba(229, 169, 26, 0.35);
}
.tab-btn:not(.active):hover {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  color: #0f172a;
}

.tab-recommendation {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 16px 22px;
  background: linear-gradient(135deg, #ffffff 0%, #fffdf5 100%);
  border: 1px solid rgba(229, 169, 26, 0.25);
  border-radius: 16px;
  margin-bottom: 28px;
  box-shadow: 0 4px 20px rgba(229, 169, 26, 0.05);
  position: relative;
}
.tab-rec-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}
.tab-rec-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  box-shadow: 0 4px 14px rgba(229, 169, 26, 0.2);
  display: block;
}
.tab-rec-badge-check {
  position: absolute;
  bottom: 0px;
  right: 0px;
  width: 22px;
  height: 22px;
  background: var(--accent);
  color: #0a0a0a;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #ffffff;
  font-size: 13px;
}
.tab-rec-body {
  flex-grow: 1;
}
.tab-rec-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}
.tab-rec-author {
  font-family: var(--font-head);
  font-size: 13.5px;
  font-weight: 700;
  color: #0f172a;
}
.tab-rec-tag {
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #92400e;
  background: #fef3c7;
  padding: 2px 8px;
  border-radius: 6px;
}
.tab-rec-text {
  font-size: 13.5px;
  color: #475569;
  line-height: 1.55;
}
.tab-rec-text strong {
  color: #0f172a;
  font-weight: 600;
}

.product-content { display: none; }
.product-content.active { display: block; }

.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product-card {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.35s ease, border-color 0.3s;
  position: relative;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.product-img {
  aspect-ratio: 4 / 3;
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid #f1f5f9;
}
/* Corner Ribbon Badge (Dải ruy băng chéo góc 45 độ bên phải - Tinh tế, thanh mảnh) */
.product-ribbon {
  position: absolute;
  top: 0;
  right: 0;
  width: 90px;
  height: 90px;
  overflow: hidden;
  z-index: 5;
  pointer-events: none;
}

.product-ribbon span {
  position: absolute;
  display: block;
  width: 130px;
  padding: 4px 0;
  background: linear-gradient(135deg, #F5A623 0%, #E5A91A 100%);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
  color: #0a0a0a;
  font-family: var(--font-head);
  font-size: 9.5px;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-align: center;
  right: -30px;
  top: 18px;
  transform: rotate(45deg);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25);
}
.product-img a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  text-decoration: none;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.product-card:hover .product-img img {
  transform: scale(1.06);
}

.product-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex-grow: 1;
}
.product-header-block {
  margin-bottom: 20px;
}
.product-model {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-model a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}
.product-model a:hover {
  color: var(--accent);
}
.product-tagline {
  color: #64748b;
  font-size: 13.5px;
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 42px;
}
.product-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid #f1f5f9;
  margin-top: auto;
}
.product-price-box {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.product-price-main {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.5px;
}
.product-price-sub {
  font-size: 12px;
  color: #94a3b8;
  text-decoration: line-through;
  font-weight: 500;
}
.btn-product-buy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--accent);
  color: #0a0a0a !important;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(229, 169, 26, 0.25);
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.btn-product-buy .material-symbols-rounded {
  font-size: 16px;
  transition: transform 0.3s ease;
}
.btn-product-buy:hover {
  background: #0f172a;
  color: #ffffff !important;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
  transform: translateY(-2px);
}
.btn-product-buy:hover .material-symbols-rounded {
  transform: translateX(3px);
}
.btn-zalo:hover {
  background: #0068ff;
  color: #fff;
  border-color: #0068ff;
  transform: translateY(-1px);
}

/* Floating Contact Widget */
.floating-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  z-index: 5000;
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}
body.offcanvas-active .floating-widget,
.offcanvas-overlay.active ~ .floating-widget {
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(20px) !important;
  pointer-events: none !important;
}
.floating-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 30px;
  color: #fff !important;
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.floating-item:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 12px 28px rgba(0,0,0,0.6);
}
.floating-item.zalo-btn {
  background: linear-gradient(135deg, #0068FF, #0084FF);
}
.floating-item.hotline-btn {
  background: linear-gradient(135deg, #F5A623, #D4AF37);
  color: #0a0a0a !important;
  font-weight: 800;
  animation: hotlinePulse 2s infinite;
}
@keyframes hotlinePulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(229,169,26,0.7); }
  50% { box-shadow: 0 0 0 12px rgba(229,169,26,0); }
}

/* ============================================
   SECTION 4 — ABOUT / PROFILE & DỰ ÁN (LIGHT THEME)
============================================ */
.about-section {
  background: #f8fafc;
  color: #0f172a;
  border-top: 1px solid rgba(0,0,0,0.06);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: 80px 0;
}
.about-section .section-label {
  color: var(--accent);
}
.about-section .section-label::before {
  background: var(--accent);
}
.about-section .section-title {
  color: #0f172a;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: #0f172a;
  margin-bottom: 24px;
}
.about-section .section-title em {
  font-style: italic;
  color: var(--accent);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--accent);
}
.about-header-wrap {
  text-align: center;
  max-width: 880px;
  margin: 0 auto 48px;
}
.about-header-wrap .section-label {
  justify-content: center;
}
.about-header-wrap .section-label::after {
  content: '';
  display: block;
  width: 24px;
  height: 1px;
  background: var(--accent);
}
.about-header-wrap .section-title {
  margin-left: auto;
  margin-right: auto;
}
.about-lead-desc {
  font-size: 16px;
  color: #334155;
  line-height: 1.75;
  margin: 0 auto;
  max-width: 900px;
}
.about-lead-desc strong {
  color: #0f172a;
}

/* 4 Loại hình Dự án — Luxury Standout Showcase Block */
.about-projects-overview {
  background: linear-gradient(145deg, #0b111e 0%, #131c2e 100%);
  border: 1px solid rgba(229, 169, 26, 0.28);
  border-radius: 24px;
  padding: 36px 32px;
  margin: 36px 0 44px;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25), 0 0 24px rgba(229, 169, 26, 0.08);
  position: relative;
  overflow: hidden;
}

.about-projects-overview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #E5A91A, transparent);
}

.about-sub-title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  text-align: center;
  display: block;
}

.project-types-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.project-type-card {
  background: rgba(255, 255, 255, 0.045);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 16px;
  padding: 22px 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-type-card:hover {
  background: rgba(229, 169, 26, 0.08);
  border-color: rgba(229, 169, 26, 0.5);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 16px rgba(229, 169, 26, 0.15);
}

.pt-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(229, 169, 26, 0.15);
  border: 1px solid rgba(229, 169, 26, 0.35);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.project-type-card:hover .pt-icon {
  background: var(--accent);
  color: #0a0a0a;
  box-shadow: 0 0 14px rgba(229, 169, 26, 0.6);
  transform: scale(1.08);
}

.pt-icon .material-symbols-rounded {
  font-size: 22px;
}

.pt-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.pt-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.55;
}

/* 90% Highlight Stat Box (Đơn giản & Căn giữa) */
.about-impulse-stat-box {
  background: rgba(229, 169, 26, 0.08);
  border: 1px solid rgba(229, 169, 26, 0.3);
  border-radius: 14px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.stat-badge-text {
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  text-align: center;
}

.stat-badge-text strong {
  color: var(--accent);
  font-weight: 700;
}

/* Gallery Section */
.about-gallery-section {
  margin-top: 20px;
}

.about-gallery-heading {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 6px;
}

.about-gallery-sub {
  font-size: 13.5px;
  color: #64748b;
}

/* 6-Card Responsive Project Grid */
.about-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 10px;
}

.proj-grid-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  height: 235px;
  background: #0a0a0a;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.proj-grid-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.16);
  border-color: rgba(229, 169, 26, 0.4);
}

.proj-grid-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.3s ease;
}

.proj-grid-card:hover img {
  transform: scale(1.06);
  filter: brightness(0.85);
}

.proj-grid-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(10, 14, 23, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--accent);
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 5px 12px;
  border-radius: 20px;
  text-transform: uppercase;
  z-index: 2;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

@media (max-width: 900px) {
  .about-projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .about-projects-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   SECTION 5 — BENEFITS & PRICING FAQ (DARK THEME WITH BLURRED GYM BG)
============================================ */
.benefits-section {
  position: relative;
  background: #080d17;
  overflow: hidden;
}

.benefits-section::before {
  content: '';
  position: absolute;
  inset: -15px;
  background: url('../gym-hero.jpg') center center / cover no-repeat;
  opacity: 0.22;
  filter: blur(8px);
  transform: scale(1.06);
  pointer-events: none;
  z-index: 0;
}

.benefits-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 35% 45%, rgba(8, 13, 23, 0.45) 0%, rgba(8, 13, 23, 0.94) 85%);
  pointer-events: none;
  z-index: 1;
}

.benefits-section .section-inner {
  position: relative;
  z-index: 2;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  align-items: start;
}

.benefits-left-col {
  display: flex;
  flex-direction: column;
}

.benefits-left-col .section-header-left {
  margin-bottom: 32px;
}

.benefits-left-col .section-title {
  margin-bottom: 0;
}

.benefits-right-col {
  display: flex;
  flex-direction: column;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.benefit-item:last-of-type { border-bottom: none; }
.benefit-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: rgba(229, 169, 26, 0.1);
  border: 1px solid rgba(229, 169, 26, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.benefit-icon .material-symbols-rounded {
  font-size: 22px;
}
.benefit-title {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: #ffffff;
}
.benefit-desc {
  font-size: 13.5px;
  color: var(--gray);
  line-height: 1.6;
}

/* ============================================
   SECTION 4B: TRANSPARENCY POLICY & VIDEO REVIEW
============================================ */
.transparency-section {
  background: #080a0f;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 100px 0;
}

.transparency-two-cols {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: stretch;
  margin-top: 44px;
}

.transparency-content-side,
.transparency-video-side {
  display: flex;
  flex-direction: column;
}

.faq-pricing-card {
  margin-top: 0;
  height: 100%;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.faq-pricing-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
  line-height: 1.4;
}

.faq-q-badge {
  background: var(--accent);
  color: #0a0a0a;
  font-size: 11px;
  font-weight: 900;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
  margin-top: 2px;
}

.faq-pricing-lead {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: 14px;
}

.pricing-target-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.p-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
}

.p-chip .material-symbols-rounded {
  font-size: 16px;
  color: var(--accent);
}

.pricing-policy-box {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
}

.pricing-policy-box p {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.65;
  margin-bottom: 14px;
}

.p-val-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.p-val-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.p-val-col {
  background: rgba(229, 169, 26, 0.08);
  border: 1px solid rgba(229, 169, 26, 0.25);
  border-radius: 10px;
  padding: 12px 10px;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.p-val-col .material-symbols-rounded {
  font-size: 22px;
  color: var(--accent);
}

.price-note-highlight {
  margin-top: auto;
  padding: 14px 18px;
  background: rgba(229, 169, 26, 0.08);
  border: 1px solid rgba(229, 169, 26, 0.3);
  border-radius: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  font-style: italic;
}

/* Video Card in Transparency Section */
.transparency-video-card {
  height: 100%;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.trans-video-header {
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.trans-iframe-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  background: #000000;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.trans-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: none;
}

.trans-video-caption {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trans-caption-speaker {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trans-speaker-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.trans-speaker-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trans-speaker-name {
  font-family: var(--font-head);
  font-size: 14.5px;
  font-weight: 700;
  color: #ffffff;
}

.trans-speaker-role {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.3;
}

.trans-caption-quote {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.55;
  font-style: italic;
  margin: 0;
}

/* Contact Support Banner in Section 5 */
.contact-support-banner {
  margin-top: 28px;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(229, 169, 26, 0.12) 0%, rgba(229, 169, 26, 0.04) 100%);
  border: 1px solid rgba(229, 169, 26, 0.35);
  border-radius: 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.support-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.support-icon-circle {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.support-icon-circle .material-symbols-rounded {
  font-size: 24px;
}

.support-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
}

.support-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.support-phone {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
}

.support-phone a {
  color: var(--accent);
  text-decoration: none;
}

.btn-support-zalo {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 30px;
  background: #0068ff;
  color: #ffffff !important;
  text-decoration: none;
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 700;
  transition: all 0.25s ease;
}

.btn-support-zalo:hover {
  background: #0052cc;
  transform: translateY(-2px);
}

@media (max-width: 1024px) {
  .transparency-two-cols {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  position: sticky; top: 100px;
}
.form-title {
  font-family: var(--font-head);
  font-size: 24px; font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #FFFFFF 15%, #E2E8F0 55%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.form-subtitle { font-size: 14px; color: var(--gray); margin-bottom: 32px; line-height: 1.6; }

.form-group { margin-bottom: 18px; }
.form-label { font-size: 12px; font-weight: 600; color: rgba(255,255,255,0.6); margin-bottom: 8px; display: block; letter-spacing: 0.5px; text-transform: uppercase; }
.form-input, .form-select {
  width: 100%; padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px; font-size: 14px; color: var(--white);
  font-family: var(--font-main);
  transition: border-color 0.3s ease, background 0.3s ease;
  outline: none; appearance: none; -webkit-appearance: none;
}
.form-input:focus, .form-select:focus {
  border-color: var(--accent);
  background: rgba(229,169,26,0.04);
}
.form-input::placeholder { color: var(--gray2); }
.form-select option { background: #1a1a1a; color: #fff; }

.required-mark {
  color: #ef4444;
  font-weight: 700;
  font-size: 14px;
  margin-left: 2px;
}

.form-error-msg {
  font-size: 12px;
  color: #f87171;
  margin-top: 6px;
  display: none;
  font-weight: 500;
  line-height: 1.4;
}

.form-error-msg.visible {
  display: block;
}

.form-input.is-invalid {
  border-color: #ef4444 !important;
  background: rgba(239, 68, 68, 0.06) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

.form-input.is-valid {
  border-color: #22c55e !important;
  background: rgba(34, 197, 94, 0.04) !important;
}

.form-privacy-note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  margin-top: 12px;
  letter-spacing: 0.2px;
}

.form-submit {
  width: 100%; padding: 16px;
  background: linear-gradient(135deg, #F5A623 0%, var(--accent) 50%, var(--accent2) 100%);
  color: #0a0a0a;
  border: none; border-radius: 12px;
  font-family: var(--font-head);
  font-size: 14px; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 8px 24px rgba(229,169,26,0.3);
  transition: all 0.3s ease;
}
.form-submit:hover {
  background: linear-gradient(135deg, #FFF08A 0%, #F5A623 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(229,169,26,0.45);
}

/* ============================================
   TESTIMONIALS
============================================ */
.testimonials-section { background: var(--bg); }
.swiper-testimonial { padding-bottom: 60px !important; }
.testimonial-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px;
}
.testimonial-quote { font-size: clamp(14px, 2vw, 18px); line-height: 1.75; color: rgba(255,255,255,0.85); margin-bottom: 28px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 16px; }
.author-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-weight: 800; color: #fff; font-size: 16px; flex-shrink: 0;
}
.author-name { font-weight: 600; margin-bottom: 2px; font-size: 14px; }
.author-role { font-size: 12px; color: var(--gray); }
.testimonial-stars { margin-bottom: 16px; color: var(--accent); font-size: 13px; letter-spacing: 2px; }
.swiper-pagination-bullet { background: var(--gray2) !important; opacity: 1 !important; }
.swiper-pagination-bullet-active { background: var(--accent) !important; width: 24px !important; border-radius: 4px !important; }

/* ============================================
   FOOTER (DARK LUXURY THEME — STYLE GỐC LDP)
============================================ */
.footer-dark {
  background: #08080a;
  background-image: url('../img/dark-texture.jpg');
  background-repeat: repeat;
  background-size: 500px 500px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 60px 36px;
  position: relative;
}
.footer-dark::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(8, 8, 10, 0.85);
  pointer-events: none;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.3fr 1fr 1.1fr;
  gap: 48px;
  margin-bottom: 52px;
}

/* Col 1: Brand */
.footer-col-brand .footer-logo-img {
  height: 52px;
  width: auto;
  margin-bottom: 16px;
  display: block;
  filter: brightness(0) invert(1);
}
.footer-company-name {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
  margin-bottom: 12px;
}
.footer-brand-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.65;
  margin-bottom: 20px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 22px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.75);
}
.footer-contact-item .material-symbols-rounded {
  font-size: 18px;
  color: var(--accent);
  flex-shrink: 0;
}
.footer-contact-item a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}
.footer-contact-item a:hover {
  color: var(--accent);
}
.footer-contact-item a.hotline-link {
  color: var(--accent);
  font-weight: 800;
}

/* Social icons theo style LDP gốc */
.footer-social {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.social-icon {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.3s ease;
  text-decoration: none;
}
.social-icon .material-symbols-rounded {
  font-size: 18px;
}
.social-icon:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #0a0a0a;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(229,169,26,0.3);
}

/* Trust Badges */
.footer-badges {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.footer-badge-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.footer-badge-link:hover {
  transform: translateY(-2px);
  opacity: 0.88;
}
.badge-bct-img {
  height: 36px;
  width: auto;
  display: block;
}
.badge-dmca-img {
  height: 24px;
  width: auto;
  display: block;
}

/* Col Titles */
.footer-col-title {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 22px;
  display: block;
}

/* Showroom List */
.footer-showroom-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-branch-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 10px 14px;
}
.footer-branch-item .branch-name {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 3px;
}
.footer-branch-item .branch-name .material-symbols-rounded {
  font-size: 16px;
  color: var(--accent);
}
.footer-branch-item .branch-addr {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.5;
}

/* Nav Lists */
.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-nav-list li a {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: all 0.2s ease;
  display: inline-block;
}
.footer-nav-list li a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-copy {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}
.footer-copy-sub {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
}

/* ============================================
   SIDE DOT NAVIGATION (FLOATING SCROLLSPY)
============================================ */
.side-dot-nav {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4500;
  display: block;
}

.side-dot-list {
  list-style: none;
  margin: 0;
  padding: 14px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 13px;
  background: rgba(10, 15, 26, 0.45);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.side-dot-list li {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dot-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  text-decoration: none;
  cursor: pointer;
}

/* Inactive dot: thanh mảnh, tinh tế */
.dot-circle {
  width: 5.5px;
  height: 5.5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: block;
}

.dot-item:hover .dot-circle {
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  transform: scale(1.4);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.7);
}

/* Active dot: chấm vàng phát sáng */
.dot-item.active .dot-circle {
  width: 7.5px;
  height: 7.5px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(229, 169, 26, 1), 0 0 4px #ffffff;
  transform: scale(1.25);
}

/* Tooltip / Label */
.dot-tooltip {
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-head);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  white-space: nowrap;
  padding: 5px 13px;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Khi active: Tự động trượt chữ Vàng nổi bật */
.dot-item.active .dot-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
  background: rgba(10, 15, 26, 0.94);
  color: var(--accent);
  border: 1px solid rgba(229, 169, 26, 0.6);
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.55), 0 0 14px rgba(229, 169, 26, 0.25);
}

/* Khi hover vào chấm chưa active: hiện tooltip chữ trắng */
.dot-item:not(.active):hover .dot-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 1100px) {
  .side-dot-nav {
    display: none !important;
  }
}

/* ============================================
   BACK TO TOP
============================================ */
#backToTop {
  position: fixed;
  bottom: 132px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: #0f172a;
  color: var(--accent);
  border: 1.5px solid rgba(229, 169, 26, 0.45);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  cursor: pointer;
  z-index: 5000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}
#backToTop.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#backToTop:hover {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 24px rgba(229, 169, 26, 0.45);
}

@media (max-width: 640px) {
  .floating-widget {
    bottom: 20px;
    right: 16px;
  }
  #backToTop {
    bottom: 122px;
    right: 16px;
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1200px) {
  .hero { padding: 120px 40px 60px; }
  .hero-top-row { gap: 32px; }
  .hero-stats-bar { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .hero-stat-item { padding: 18px 16px; }
  .hero-stat-num { font-size: 24px; }
  .hero-stat-label { font-size: 11px; }
}
@media (max-width: 1024px) {
  .header-nav { display: none; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  header { padding: 16px 20px; }
  header.scrolled { padding: 12px 20px; }
  #bookCallBtn, .header-actions .btn-outline { display: none !important; }
  .hero { padding: 90px 20px 40px !important; }
  .hero-container { gap: 30px !important; padding: 0 !important; }
  .hero-badge {
    font-size: 11px !important;
    letter-spacing: 1px !important;
    flex-wrap: wrap !important;
    line-height: 1.4 !important;
  }
  .hero-badge::before {
    width: 18px !important;
  }
  .hero-title.desktop-only { display: none !important; }
  .hero-title.mobile-only {
    display: block !important;
    line-height: 1.25 !important;
    letter-spacing: -0.02em !important;
  }
  .hero-title {
    line-height: 1.25 !important;
    letter-spacing: -0.02em !important;
  }
  .hero-title .line-main span {
    font-size: clamp(26px, 6.2vw, 34px) !important;
    line-height: 1.25 !important;
  }
  .hero-title .line-sub {
    margin-top: 8px !important;
  }
  .hero-title .line-sub span {
    font-size: clamp(18px, 4.4vw, 22px) !important;
    line-height: 1.3 !important;
  }
  .hero-title .line {
    overflow: visible !important;
  }
  .hero-title .line span {
    white-space: normal !important;
    overflow: visible !important;
    word-break: normal !important;
  }
  .hero-visual { display: block; max-width: 460px; margin: 0 auto; width: 100%; }
  .hero-stats-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section { padding: 60px 20px; }

  /* ============ TIÊU ĐỀ SECTION CHUẨN 28PX TRÊN MOBILE ============ */
  .section-title,
  .criteria-master-title,
  .pain-gradient-title,
  .section-header-center .section-title,
  .why-section .section-title,
  .proof-section .section-title,
  .products-section .section-title,
  .about-section .section-title,
  .transparency-section .section-title,
  .video-reviews-section .section-title,
  .benefits-left-col .section-title {
    font-size: 28px !important;
    line-height: 1.25 !important;
    letter-spacing: -0.02em !important;
    padding-bottom: 0 !important;
    text-wrap: balance !important;
  }
  
  .section-title br,
  .criteria-master-title br {
    display: none !important;
  }

  .section-label {
    font-size: 11px !important;
    letter-spacing: 1.5px !important;
    margin-bottom: 8px !important;
  }

  .section-header-center {
    margin-bottom: 24px !important;
  }

  .section-lead,
  .criteria-master-desc,
  .about-lead-desc {
    font-size: 13.5px !important;
    line-height: 1.55 !important;
    margin-bottom: 22px !important;
  }

  /* Layouts 1 Cột chuẩn */
  .pain-block { margin-bottom: 50px; }
  .pain-two-cols { grid-template-columns: 1fr; gap: 28px; }
  .criteria-grid-3cols { grid-template-columns: 1fr; gap: 18px; }
  .why-grid { grid-template-columns: 1fr; gap: 14px; }
  
  /* Video Reviews Full Width 1 Column */
  .video-reviews-section .v-reviews-two-cols,
  .v-reviews-two-cols {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
  }
  .video-reviews-section .v-review-video-card {
    border-radius: 16px;
  }
  .video-reviews-section .v-review-card-body {
    padding: 16px 18px;
  }
  .video-reviews-section .v-speaker-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }
  .video-reviews-section .v-speaker-avatar {
    width: 48px;
    height: 48px;
    min-width: 48px;
  }
  .video-reviews-section .v-speaker-info {
    flex: 1;
  }
  .video-reviews-section .v-speaker-name {
    font-size: 15.5px;
    white-space: normal;
  }
  /* Tabs Switcher on Mobile (Nằm trọn 1 dòng, không bị gãy chữ) */
  .products-header-split {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 14px !important;
  }
  .product-tabs-nav {
    width: 100% !important;
    
    padding: 4px !important;
    border-radius: 50px !important;
  }
  .tab-btn {
    flex: 1 !important;
    padding: 10px 4px !important;
    font-size: 12.5px !important;
    font-weight: 750 !important;
    letter-spacing: 0.2px !important;
    white-space: nowrap !important;
    text-align: center !important;
    justify-content: center !important;
  }

  /* Gợi ý chọn máy từ chuyên gia trên Mobile */
  .tab-recommendation {
    
    align-items: flex-start !important;
    gap: 12px !important;
    padding: 14px 14px !important;
    border-radius: 14px !important;
    margin-bottom: 20px !important;
  }
  .tab-rec-avatar-wrap {
    flex-shrink: 0 !important;
  }
  .tab-rec-avatar {
    width: 44px !important;
    height: 44px !important;
    border-width: 2px !important;
  }
  .tab-rec-badge-check {
    width: 16px !important;
    height: 16px !important;
    font-size: 9px !important;
  }
  .tab-rec-header {
    
    align-items: center !important;
    gap: 6px !important;
    margin-bottom: 4px !important;
  }
  .tab-rec-author {
    font-size: 13px !important;
    font-weight: 700 !important;
  }
  .tab-rec-tag {
    font-size: 9px !important;
    padding: 2px 6px !important;
  }
  .tab-rec-text {
    font-size: 12px !important;
    line-height: 1.5 !important;
  }

  /* Bento Gallery & Projects (Grid 2 cột 1 hàng trên Mobile) */
  .bento-gallery-grid { grid-template-columns: repeat(2, 1fr) !important; grid-template-rows: auto !important; gap: 8px !important; }
  .bento-featured { grid-column: span 2 !important; grid-row: span 1 !important; height: 200px !important; }
  .bento-item { height: 140px !important; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .project-types-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .about-projects-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .proj-grid-card { height: 170px; }
  .benefits-grid { grid-template-columns: 1fr; gap: 36px; }
  .contact-form-wrap { position: static; }
  
  /* Nút Chat Zalo ở Hotline Banner rộng Full 100% */
  .support-banner-inner {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }
  .btn-support-zalo {
    width: 100% !important;
    justify-content: center !important;
  }

  footer, .footer-dark { padding: 40px 20px 28px !important; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .section { padding: 48px 20px !important; }
  .hero-stats-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .hero-stat-item { padding: 16px 14px; gap: 8px; border-radius: 14px; }
  .hero-stat-icon { width: 42px; height: 42px; min-width: 42px; border-radius: 10px; }
  .hero-stat-icon .material-symbols-rounded { font-size: 22px; }
  .hero-stat-num { font-size: 20px !important; line-height: 1.15 !important; margin-bottom: 6px !important; font-weight: 800 !important; }
  .hero-stat-label { font-size: 14px !important; line-height: 1.45 !important; color: rgba(255, 255, 255, 0.85) !important; font-weight: 400 !important; }
  
  .pain-ul-list { gap: 6px; }
  .pain-ul-list li { padding: 12px 14px; font-size: 13px; line-height: 1.45; gap: 10px; }
  
  .bento-gallery-grid { grid-template-columns: repeat(2, 1fr) !important; grid-template-rows: auto !important; gap: 8px !important; }
  .bento-featured { grid-column: span 2 !important; grid-row: span 1 !important; height: 195px !important; }
  .bento-item { height: 140px !important; }
  
  .project-types-grid { grid-template-columns: 1fr; gap: 10px; }
  .about-projects-overview { padding: 22px 16px; }
  .about-sub-title { font-size: 16.5px; }
  
  .faq-pricing-card, .transparency-video-card, .contact-form-wrap { padding: 20px !important; }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 520px) {
  .section-title,
  .criteria-master-title,
  .pain-gradient-title,
  .section-header-center .section-title,
  .why-section .section-title,
  .proof-section .section-title,
  .products-section .section-title,
  .about-section .section-title,
  .transparency-section .section-title,
  .video-reviews-section .section-title,
  .benefits-left-col .section-title {
    font-size: 28px !important;
    line-height: 1.25 !important;
  }

  /* ============ PRODUCT CARDS 2 CỘT CHUẨN ĐẸP TRÊN MOBILE ============ */
  .products-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .product-card {
    border-radius: 14px !important;
  }
  .product-img {
    aspect-ratio: 1 / 1 !important;
    padding: 4px !important;
  }
  .product-img img {
    padding: 4px !important;
    max-height: 100% !important;
    object-fit: contain !important;
  }
  .product-info {
    padding: 10px !important;
    
    flex-direction: column !important;
    justify-content: space-between !important;
    flex-grow: 1 !important;
    gap: 6px !important;
  }
  .product-header-block {
    margin-bottom: 4px !important;
  }
  .product-model {
    font-size: 13px !important;
    line-height: 1.25 !important;
    margin-bottom: 2px !important;
    font-weight: 700 !important;
  }
  .product-tagline {
    font-size: 10.5px !important;
    line-height: 1.35 !important;
    min-height: unset !important;
    margin-bottom: 2px !important;
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
  }
  .product-footer-bar {
    padding-top: 6px !important;
    border-top: 1px solid #f1f5f9 !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 5px !important;
  }
  .product-price-box {
    gap: 1px !important;
  }
  
  .product-price-sub {
    font-size: 9.5px !important;
  }
  .btn-product-buy {
    width: 100% !important;
    justify-content: center !important;
    padding: 6px 8px !important;
    font-size: 11px !important;
    gap: 4px !important;
    border-radius: 50px !important;
  }
  .product-ribbon {
    width: 80px !important;
    height: 80px !important;
  }
  .product-ribbon span {
    width: 120px !important;
    font-size: 8.5px !important;
    padding: 3px 0 !important;
    top: 16px !important;
    right: -30px !important;
  }
  
  /* ============ ẢNH DỰ ÁN THỰC TẾ 2 ẢNH / HÀNG ============ */
  .about-projects-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }
  .proj-grid-card {
    height: 145px !important;
    border-radius: 12px !important;
  }
  .proj-grid-badge {
    font-size: 8px !important;
    padding: 3px 7px !important;
    top: 6px !important;
    left: 6px !important;
  }
}

/* ═══ SẢN PHẨM NỔI BẬT (FEATURED PRODUCT) ═══ */
.product-detail-section {
  background-color: transparent;
  padding: 80px 0;
}
.product-detail-container {
  align-items: flex-start;
  display: flex;
  gap: 30px;
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.03);
}
.product-gallery {
  flex: 1.2;
  display: flex;
  gap: 20px;
}
.product-thumbnails {
  display: none !important;
  flex-direction: column;
  gap: 12px;
  width: 90px;
}
.product-thumbnails img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.25s;
}
.product-thumbnails img.active,
.product-thumbnails img:hover {
  border-color: var(--accent);
}
.product-main-image {
  flex: 1;
  border-radius: 12px;
  background: #ffffff; border: 1px solid #eeeeee; box-shadow: 0 2px 10px rgba(0,0,0,0.02);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0; overflow: hidden;
}
.product-main-image img {
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
}

.product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.product-name {
  font-family: var(--font-head);
  font-size: 32px;
  margin-bottom: 15px;
  color: #111;
}
.product-price {
  font-size: 26px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}
.product-features-list {
  list-style: none;
  padding: 0;
  margin: 0 0 25px 0;
}
.product-features-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 15px;
  color: #444;
  line-height: 1.6;
}
.product-features-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 20px;
  top: -2px;
}
.product-note {
  font-size: 14px;
  color: #777;
  font-style: italic;
  margin-bottom: 30px;
  padding-top: 20px;
  border-top: 1px dashed #e0e0e0;
}
.product-actions {
  display: flex;
  gap: 15px;
  margin-top: auto;
}
.product-actions .btn {
  flex: 1;
  text-align: center;
  justify-content: center;
  padding: 14px 20px;
  font-family: var(--font-head);
  font-weight: 700;
  border-radius: 40px;
  letter-spacing: 0.5px;
}
.product-actions .btn-secondary {
  background: #f0f0f0;
  color: #333;
  border: none;
}
.product-actions .btn-secondary:hover {
  background: #e0e0e0;
}
.product-actions .btn-primary {
  background: var(--accent);
  box-shadow: none;
  border: none;
}
.product-actions .btn-primary::before {
  display: none;
}
.product-actions .btn-primary:hover {
  background: #0f172a;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
}

/* BUY MODAL */
#buyModal .modal-content {
  max-width: 550px;
  padding: 40px;
}
#buyModal h3 {
  font-family: var(--font-head);
  font-size: 24px;
  margin-bottom: 10px;
  color: #111;
}
#buyModal p {
  color: #666;
  margin-bottom: 10px;
  font-size: 15px;
}
.buy-form .form-group {
  margin-bottom: 15px;
}
.buy-form input[type="text"],
.buy-form input[type="tel"],
.buy-form input[type="email"] {
  width: 100%;
  padding: 14px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
}
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
  color: #444;
}
.checkbox-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
}

@media (max-width: 900px) {
  .product-detail-container {
  align-items: flex-start;
    flex-direction: column;
    padding: 0; overflow: hidden;
    gap: 0px;
  }
  .product-gallery {
    flex-direction: column-reverse;
  }
  .product-thumbnails {
    flex-direction: row;
    width: 100%;
    overflow-x: auto;
  }
  .product-thumbnails img {
    width: 70px;
  }
  .product-actions {
    flex-direction: column;
  }
  .checkbox-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
  #buyModal .modal-content {
    padding: 20px !important;
  }
}

/* SLIDER BUTTONS */
.product-main-image {
  position: relative;
}
/* INNER PRODUCT IMAGE SLIDER BUTTONS */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 1.5px solid #ccc;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #666;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
  z-index: 10;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.slider-btn:hover {
  background: rgba(229, 169, 26, 0.08);
  border-color: var(--accent);
  color: var(--accent);
}
.slider-btn .material-symbols-rounded {
  font-size: 18px;
}
.slider-btn.prev-btn { left: 10px; }
.slider-btn.next-btn { right: 10px; }

#mainProductImage {
  transition: opacity 0.2s ease-in-out;
}

/* OUTER PRODUCT SLIDER BUTTONS */
.product-prev-btn, .product-next-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1.5px solid #ccc;
  box-shadow: none;
  z-index: 20;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #666;
  transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
}
.product-prev-btn { left: -22px; }
.product-next-btn { right: -22px; }
.product-prev-btn:hover, .product-next-btn:hover {
  background: rgba(229, 169, 26, 0.08);
  border-color: var(--accent);
  color: var(--accent);
}

@media (max-width: 1200px) {
  .product-prev-btn { left: -10px; }
  .product-next-btn { right: -10px; }
}
@media (max-width: 900px) {
  .product-prev-btn { left: -5px; }
  .product-next-btn { right: -5px; }
}

#mainProductImageContainer {
  position: relative;
}

/* Tweak inner slider buttons (thô -> đẹp & ẩn hiện khi hover) */
.product-main-image .prev-btn,
.product-main-image .next-btn {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  color: #333;
}

.product-main-image:hover .prev-btn,
.product-main-image:hover .next-btn {
  opacity: 1;
  visibility: visible;
}

.product-main-image .prev-btn:hover,
.product-main-image .next-btn:hover {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transform: translateY(-50%) scale(1.05);
}

@media (max-width: 768px) {
  .product-main-image .prev-btn,
  .product-main-image .next-btn {
    opacity: 1;
    visibility: visible;
  }
}

/* READ MORE FEATURES */
.product-features-wrapper {
  position: relative;
  overflow: hidden;
  transition: max-height 0.4s ease;
  margin-bottom: 20px;
}
.product-features-wrapper.expanded {
  max-height: 280px !important; overflow-y: auto; padding-right: 10px;
}
.product-features-wrapper .read-more-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 90px;
  background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 60%, rgba(255,255,255,1) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding-bottom: 0;
  pointer-events: none;
}
.product-features-wrapper.expanded .read-more-overlay {
  position: static;
  height: auto;
  background: none;
  padding-bottom: 0;
  margin-top: 10px;
}
.read-more-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  padding: 0;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 5px;
}
.read-more-btn:hover {
  color: #333;
}

.product-features-wrapper::-webkit-scrollbar {
  width: 6px;
}
.product-features-wrapper::-webkit-scrollbar-track {
  background: #f1f1f1; 
  border-radius: 4px;
}
.product-features-wrapper::-webkit-scrollbar-thumb {
  background: #ccc; 
  border-radius: 4px;
}
.product-features-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--accent); 
}

/* Fix modal form label color */
#buyForm .form-label {
  color: #111;
  font-weight: 600;
}

/* MOBILE OPTIMIZATIONS FOR SLIDER */
.mobile-product-nav {
  display: none;
}
@media (max-width: 768px) {
  .product-prev-btn, .product-next-btn {
    display: none !important;
  }
  .mobile-product-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    gap: 10px;
  }
  .mobile-product-nav button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 5px;
    border: 1px solid #ddd;
    background: #f9f9f9;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 500;
    color: #444;
    cursor: pointer;
    white-space: nowrap;
  }
  .product-tabs {
    margin-bottom: 20px !important;
  }
}


.desktop-only-note {
  display: block;
}
@media (max-width: 768px) {
  
  
  .desktop-only-note {
    display: none !important;
  }
}

@media (max-width: 520px) {
    .product-info {
        padding: 15px !important;
        gap: 3px !important;
    }
}

.product-name {
    font-family: var(--font-head);
    font-size: 32px;
    margin-bottom: 15px;
    color: rgb(17, 17, 17);
}
@media (max-width: 768px) {
    .product-name {
        font-size: 28px !important;
    }
    .product-price-main {
        font-size: 24px !important;
    }
}

/* Update desktop expanded height to be larger */
@media (min-width: 769px) {
  .product-features-wrapper.expanded {
    max-height: 380px !important;
  }
}

@media (max-width: 768px) {
  .p-val-grid {
    grid-template-columns: 1fr !important;
  }
  .p-val-col {
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding: 12px 18px !important;
    gap: 12px !important;
    text-align: left !important;
    font-size: 13.5px !important;
  }
}

@media (max-width: 768px) {
  .faq-pricing-q {
    flex-direction: column !important;
    gap: 10px !important;
  }
}

@media (max-width: 768px) {
    #buyForm .form-input, #buyForm .form-select {
        padding: 10px 14px !important;
    }
    #buyForm .form-submit {
        padding: 12px !important;
        margin-top: 10px !important;
    }
    #buyForm .checkbox-label {
        font-size: 13px !important;
    }
    .buy-modal p {
        margin-bottom: 15px !important;
    }
}

/* Fix buy modal input text color (light theme) */
#buyForm .form-input {
  background: #f9f9f9;
  border-color: #ddd;
  color: #111;
}
#buyForm .form-input:focus {
  background: #fff;
  border-color: var(--accent);
}

.mobile-br { display: none; }
@media (max-width: 768px) {
  .mobile-br { display: block; }
}

/* VIDEO REVIEWS HORIZONTAL SLIDER */
.video-reviews-section .v-reviews-slider {
  display: flex;
  overflow-x: auto;
  gap: 28px;
  padding-bottom: 20px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.video-reviews-section .v-reviews-slider::-webkit-scrollbar {
  display: none;
}
.video-reviews-section .v-review-video-card {
  flex: 0 0 calc(50% - 14px);
  scroll-snap-align: start;
}

@media (max-width: 900px) {
  .video-reviews-section .v-reviews-slider {
    gap: 16px;
    padding-bottom: 10px;
    padding-right: 16px; /* give some room at the end */
  }
  .video-reviews-section .v-review-video-card {
    flex: 0 0 90%; /* show a peek of the next video */
  }
}

/* VIDEO SLIDER NAVIGATION BUTTONS */
.v-reviews-slider-wrap {
  position: relative;
}
.v-slider-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background: rgba(20, 20, 20, 0.7);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}
.v-slider-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #111;
}
.v-slider-nav .material-symbols-rounded {
  font-size: 24px;
}
.v-slider-prev {
  left: -22px;
}
.v-slider-next {
  right: -22px;
}
@media (max-width: 900px) {
  .v-slider-nav {
    display: none; /* Hide on mobile since they can just swipe easily */
  }
}

/* ============================================
   SWIPER SINGLE IMAGE BANNER SLIDER (ABOUT PROFILE)
============================================ */
.about-banner-swiper-wrap {
  position: relative;
  width: 100%;
  max-width: 1040px;
  margin: 36px auto 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.1), 0 4px 16px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: #ffffff;
}

.swiper-about-profile {
  width: 100%;
  position: relative;
}

.profile-slide-card {
  width: 100%;
  aspect-ratio: 1682 / 902;
  overflow: hidden;
  position: relative;
  background: #ffffff;
}

.profile-slide-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Swiper Navigation Arrows */
.about-swiper-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-swiper-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 6px 20px rgba(229, 169, 26, 0.5);
}

.about-swiper-btn .material-symbols-rounded {
  font-size: 26px;
}

.about-swiper-prev {
  left: 16px;
}

.about-swiper-next {
  right: 16px;
}

/* Swiper Pagination Dots */
.about-swiper-pagination {
  position: absolute;
  bottom: 14px !important;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 10;
}

.about-swiper-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
  opacity: 1;
  transition: all 0.35s ease;
  margin: 0 !important;
}

.about-swiper-pagination .swiper-pagination-bullet-active {
  width: 26px;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(229, 169, 26, 0.9);
}

@media (max-width: 768px) {
  .about-banner-swiper-wrap {
    margin: 24px 0 0;
    border-radius: 14px;
  }
  .about-swiper-btn {
    width: 38px;
    height: 38px;
  }
  .about-swiper-btn .material-symbols-rounded {
    font-size: 22px;
  }
  .about-swiper-prev {
    left: 8px;
  }
  .about-swiper-next {
    right: 8px;
  }
  .about-swiper-pagination {
    bottom: 10px !important;
  }
}