/* ==========================================================================
   S.U Pilates Official Website Stylesheet
   S.U Pilates Official Design System
   Palettes: Warm espresso (#1F1C17), Mocha taupe (#89715F), Linen cream (#F8F2EA), Soft white (#FFFDFC)
   Typography: Libre Caslon Condensed (Display/Serif) + Plus Jakarta Sans / Inter (Body/UI)
   ========================================================================== */

/* --- Font Faces --- */
@font-face {
  font-family: 'Libre Caslon Condensed';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/LibreCaslonCondensed-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/PlusJakartaSans-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/Inter-Medium.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
}

/* --- Brand Design Tokens --- */
:root {
  --color-primary-dark: #1F1C17;
  --color-primary-dark-card: #28241E;
  --color-primary-warm: #89715F;
  --color-primary-warm-hover: #755E4E;
  --color-accent-sand: #C7BDAD;
  --color-accent-blush: #DBA0A0;
  
  --color-bg-base: #FFFDFC;
  --color-bg-cream: #F8F2EA;
  --color-bg-linen: #EEE2D7;
  --color-border-subtle: #E3E0DA;
  --color-border-dark: rgba(255, 255, 255, 0.14);

  --color-text-main: #1F1C17;
  --color-text-body: #6B655C;
  --color-text-light: #9C958B;
  --color-text-inverse: #FFFDFC;
  --color-text-inverse-muted: #D1C9BE;

  --font-serif: 'Libre Caslon Condensed', Georgia, 'Songti SC', 'SimSun', serif;
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  --shadow-sm: 0 2px 8px rgba(31, 28, 23, 0.04);
  --shadow-card: 0 4px 20px rgba(31, 28, 23, 0.05);
  --shadow-hover: 0 16px 36px rgba(31, 28, 23, 0.1);
  --shadow-floating: 0 20px 45px rgba(31, 28, 23, 0.14);

  --container-max: 1240px;
  --nav-height: 76px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-base);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

img, video {
  display: block;
  max-width: 100%;
  height: auto;
}

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  outline: none;
}

/* --- Accessibility & Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* --- Layout Container --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(16px, 4vw, 36px);
  padding-right: clamp(16px, 4vw, 36px);
}

.section {
  padding-top: clamp(64px, 8vw, 112px);
  padding-bottom: clamp(64px, 8vw, 112px);
  position: relative;
}

.section--alt {
  background-color: var(--color-bg-cream);
}

.section--dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

/* --- Typography --- */
.section-tag {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary-warm);
  margin-bottom: 14px;
}

.section--dark .section-tag {
  color: var(--color-accent-blush);
}

.section-header-wrap {
  max-width: 1040px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.1vw, 2.85rem);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
  color: var(--color-text-main);
  text-wrap: balance;
  word-break: keep-all;
}

.section--dark .section-title {
  color: #FFFFFF;
}

.section-subtitle {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 20px;
}

.section-lead {
  font-size: clamp(1rem, 1.35vw, 1.2rem);
  color: var(--color-text-body);
  max-width: 720px;
  line-height: 1.7;
}

.section--dark .section-lead {
  color: var(--color-text-inverse-muted);
}

.text-center {
  text-align: center;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* --- Buttons & UI Chips --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition-normal);
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 16px rgba(31, 28, 23, 0.18);
}

.btn--primary:hover {
  background-color: var(--color-primary-warm);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(31, 28, 23, 0.24);
}

.btn--light {
  background-color: #FFFFFF;
  color: var(--color-primary-dark);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.btn--light:hover {
  background-color: #FAF6F0;
  color: var(--color-primary-warm);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.btn--outline {
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-main);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
}

.btn--outline:hover {
  border-color: var(--color-primary-warm);
  color: var(--color-primary-warm);
  background: #FFFFFF;
  transform: translateY(-2px);
}

.btn--outline-light {
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.btn--outline-light:hover {
  border-color: #FFFFFF;
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* --- Floating Pill Navbar --- */
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
}

.navbar-pill {
  pointer-events: auto;
  width: calc(100% - 36px);
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 253, 252, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(227, 224, 218, 0.85);
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px rgba(31, 28, 23, 0.06);
  transition: all var(--transition-normal);
}

.site-header.scrolled .navbar-pill {
  padding: 8px 16px;
  background: rgba(255, 253, 252, 0.98);
  box-shadow: 0 14px 36px rgba(31, 28, 23, 0.1);
}



.nav-brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-body);
  padding: 6px 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px;
  height: 2px;
  background-color: var(--color-primary-warm);
  transition: transform var(--transition-normal);
  border-radius: 2px;
}

.nav-link.active::after,
.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Language Toggle Switch (Classic & Modern Segmented Pill) */
.lang-switcher-pill {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: rgba(31, 28, 23, 0.05);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-pill);
  padding: 3px 5px;
  transition: all var(--transition-fast);
}

.lang-pill-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-text-body);
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: transparent;
  outline: none;
}

.lang-pill-item:hover {
  color: var(--color-primary-dark);
}

.lang-pill-item.active {
  background: var(--color-primary-dark);
  color: #FFFFFF !important;
  box-shadow: 0 2px 6px rgba(31, 28, 23, 0.2);
}

.lang-pill-divider {
  font-size: 0.72rem;
  color: var(--color-text-light);
  user-select: none;
  opacity: 0.6;
}

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  background: rgba(31, 28, 23, 0.05);
  border: 1px solid var(--color-border-subtle);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.lang-toggle-btn:hover {
  background: var(--color-primary-dark);
  color: var(--color-text-inverse);
  border-color: var(--color-primary-dark);
}

.lang-toggle-icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Mobile Hamburger */
.mobile-toggle-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: rgba(31, 28, 23, 0.05);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-main);
}

/* Mobile Drawer Overlay */
.mobile-menu-drawer {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(31, 28, 23, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  pointer-events: none;
}

.mobile-menu-drawer.open {
  display: block !important;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-panel {
  position: absolute;
  top: 86px;
  left: 16px;
  right: 16px;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: 30px 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(-16px);
  transition: transform var(--transition-normal);
}

.mobile-menu-drawer.open .mobile-menu-panel {
  transform: translateY(0);
}

.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu-link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-text-main);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-subtle);
  display: block;
}

.btn.mobile-menu-link {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: #FFFFFF !important;
  background-color: var(--color-primary-dark);
  padding: 12px 24px;
  border-bottom: none;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* --- Hero Section --- */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: calc(var(--nav-height) + 50px);
  padding-bottom: 70px;
  overflow: hidden;
  color: var(--color-text-inverse);
  background-color: var(--color-primary-dark);
}

.hero-bg-wrapper {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 36%;
  filter: brightness(0.92) contrast(1.04);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    180deg,
    rgba(31, 28, 23, 0.42) 0%,
    rgba(31, 28, 23, 0.28) 35%,
    rgba(31, 28, 23, 0.62) 75%,
    rgba(31, 28, 23, 0.9) 100%
  );
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 960px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: heroFadeIn 1.2s var(--transition-normal) forwards;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #FFFFFF;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-blush);
}

.hero-brand-name {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

.hero-slogan-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hero-slogan-line {
  font-size: clamp(1.15rem, 2.2vw, 1.7rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.95);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-desc {
  max-width: 680px;
  font-size: clamp(0.95rem, 1.2vw, 1.1rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  margin-top: 4px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 14px;
}

/* Hero Stats Bar */
.hero-stats-bar {
  margin-top: clamp(40px, 6vw, 64px);
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 28px;
  background: rgba(31, 28, 23, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}

.hero-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.hero-stat-num {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.4vw, 2.8rem);
  line-height: 1.1;
  color: #FFFFFF;
}

.hero-stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 4px;
}

.hero-stat-note {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 2px;
}

.hero-stats-verification {
  grid-column: 1 / -1;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  margin-top: 8px;
  letter-spacing: 0.02em;
}

/* --- About Us Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
  margin-bottom: clamp(60px, 8vw, 100px);
}

.about-text-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 10px;
}

.about-pillar-card {
  padding: 22px 24px;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.about-pillar-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(137, 113, 95, 0.35);
}

.about-pillar-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.about-pillar-desc {
  font-size: 0.92rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

.about-image-collage {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  grid-template-rows: 240px 240px;
  gap: 16px;
}

.about-collage-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal);
}

.about-collage-img:hover {
  transform: scale(1.02);
}

.about-collage-img--main {
  grid-column: 1 / 2;
  grid-row: 1 / 3;
}

.about-collage-img--sub1 {
  grid-column: 2 / 3;
  grid-row: 1 / 2;
}

.about-collage-img--sub2 {
  grid-column: 2 / 3;
  grid-row: 2 / 3;
}

/* --- Yacht Pilates Video Block --- */
.lifestyle-video-wrapper {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 44px);
  box-shadow: var(--shadow-card);
}

.video-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto clamp(20px, 3.5vw, 32px);
}

.custom-video-player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.video-element {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-poster-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: rgba(31, 28, 23, 0.45);
  cursor: pointer;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.video-poster-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.video-play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 253, 252, 0.95);
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  transition: all var(--transition-normal);
}

.video-play-btn:hover {
  transform: scale(1.1);
  background: #FFFFFF;
}

.video-overlay-text {
  margin-top: 14px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #FFFFFF;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.video-controls-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 14px 18px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.8) 100%);
  display: flex;
  align-items: center;
  gap: 14px;
  color: #FFFFFF;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.custom-video-player:hover .video-controls-bar,
.custom-video-player.playing .video-controls-bar {
  opacity: 1;
}

.video-ctrl-btn {
  color: #FFFFFF;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.video-ctrl-btn:hover {
  opacity: 1;
}

.video-progress-container {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.video-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--color-accent-blush);
  transition: width 0.1s linear;
}

.video-time-display {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  opacity: 0.85;
}

/* --- Classes Section --- */
.classes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: clamp(32px, 5vw, 56px);
}

.class-card {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.class-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(137, 113, 95, 0.4);
}

.class-card-media {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-bg-cream);
}

.class-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.class-card:hover .class-card-img {
  transform: scale(1.05);
}

.class-badge-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(31, 28, 23, 0.78);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.class-card-body {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.class-card-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--color-text-main);
  line-height: 1.2;
  margin-bottom: 4px;
}

.class-card-en-name {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-primary-warm);
  margin-bottom: 14px;
}

.class-meta-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 0;
  margin-bottom: 12px;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: 0.82rem;
}

.class-meta-item {
  display: flex;
  gap: 8px;
}

.class-meta-label {
  color: var(--color-text-light);
  white-space: nowrap;
}

.class-meta-value {
  color: var(--color-text-main);
  font-weight: 500;
}

.class-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-body);
  line-height: 1.6;
}

.classes-disclaimer-box {
  margin-top: 36px;
  padding: 14px 20px;
  background: rgba(137, 113, 95, 0.08);
  border: 1px dashed rgba(137, 113, 95, 0.3);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-body);
}

/* --- Instructors Team Section --- */
.instructors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: clamp(32px, 5vw, 56px);
}

.instructor-card {
  position: relative;
  background: var(--color-primary-dark-card);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
}

.instructor-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-floating);
}

.instructor-media {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #1a1714;
}

.instructor-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-slow);
}

.instructor-card:hover .instructor-img {
  transform: scale(1.04);
}

.instructor-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 40%,
    rgba(31, 28, 23, 0.78) 75%,
    rgba(31, 28, 23, 0.95) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.instructor-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: #FFFFFF;
  line-height: 1.2;
}

.instructor-focus {
  font-size: 0.85rem;
  color: var(--color-accent-blush);
  margin-top: 4px;
  font-weight: 500;
}

.instructor-cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  width: fit-content;
}

.team-compliance-note {
  margin-top: 32px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
}

/* --- Why Choose Us Section --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: clamp(32px, 5vw, 56px);
}

.pillar-item {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.pillar-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(137, 113, 95, 0.4);
}

.pillar-num {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  color: var(--color-accent-blush);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.9;
}

.pillar-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-text-main);
  line-height: 1.25;
  margin-bottom: 12px;
}

.pillar-desc {
  font-size: 0.9rem;
  color: var(--color-text-body);
  line-height: 1.65;
}

/* --- Contact Us Section --- */
.contact-container-card {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 5vw, 60px);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-detail-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-bg-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-warm);
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-detail-text p {
  font-size: 1rem;
  color: var(--color-text-main);
  font-weight: 500;
}

.contact-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
}

.contact-visual-col {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  aspect-ratio: 4 / 3;
}

.contact-visual-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  padding-top: clamp(60px, 8vw, 90px);
  padding-bottom: 40px;
  border-top: 1px solid var(--color-border-dark);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  margin-bottom: clamp(40px, 6vw, 64px);
}

.footer-brand-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 8px;
  color: #FFFFFF;
}

.footer-slogan {
  font-size: 0.95rem;
  color: var(--color-accent-blush);
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--color-text-inverse-muted);
  max-width: 440px;
  line-height: 1.6;
}

.footer-nav-col h4 {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.footer-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-nav-link {
  font-size: 0.9rem;
  color: var(--color-text-inverse-muted);
  transition: color var(--transition-fast);
}

.footer-nav-link:hover {
  color: #FFFFFF;
}

.footer-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

.footer-legal-link {
  color: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.footer-legal-link:hover {
  color: #FFFFFF;
}

/* Back to Top Floating Button */
.back-to-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(31, 28, 23, 0.85);
  color: #FFFFFF;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--color-primary-warm);
  transform: translateY(-3px);
}

/* --- Legal Modal --- */
.legal-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.legal-modal-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.legal-modal-box {
  background: var(--color-bg-base);
  border-radius: var(--radius-xl);
  max-width: 680px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.legal-modal-backdrop.open .legal-modal-box {
  transform: scale(1);
}

.legal-modal-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.legal-modal-header h3 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--color-text-main);
}

.legal-modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(31, 28, 23, 0.08);
  color: var(--color-text-main);
  font-size: 1.2rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.legal-modal-close:hover {
  background: var(--color-primary-dark);
  color: #FFFFFF;
}

.legal-modal-body {
  padding: 28px;
  overflow-y: auto;
  font-size: 0.92rem;
  color: var(--color-text-body);
  line-height: 1.7;
}

.legal-modal-body h4 {
  color: var(--color-text-main);
  margin-top: 16px;
  margin-bottom: 6px;
  font-size: 1rem;
}

.legal-modal-body p {
  margin-bottom: 12px;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1199.98px) {
  .classes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 899.98px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .contact-container-card {
    grid-template-columns: 1fr;
  }
  .instructors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 809.98px) {
  .nav-menu {
    display: none !important;
  }
  .site-header .nav-actions .btn--primary {
    display: none !important;
  }
  .mobile-toggle-btn {
    display: inline-flex !important;
  }
  .hero-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 12px;
    padding: 20px 16px;
  }
  .hero-stat-item:nth-child(2)::after {
    display: none;
  }
  .instructors-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }
  .classes-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
  }
  .hero-cta-group .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --nav-height: 64px;
  }
  .site-header {
    top: 10px;
  }
  .navbar-pill {
    width: calc(100% - 20px);
    padding: 8px 12px;
  }
  .nav-brand {
    font-size: 1.1rem;
    gap: 8px;
  }
  .nav-brand-badge {
    width: 28px;
    height: 28px;
    font-size: 0.65rem;
  }
  .hero-badge {
    font-size: 0.72rem;
    padding: 6px 12px;
    letter-spacing: 0.05em;
    max-width: 92vw;
    text-align: center;
    white-space: normal;
  }
  .hero-brand-name {
    font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  }
  .hero-slogan-line {
    font-size: 1.05rem;
  }
  .hero-desc {
    font-size: 0.88rem;
    padding: 0 6px;
  }
  .hero-stats-bar {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 18px 14px;
  }
  .hero-stat-item::after {
    display: none !important;
  }
}

/* ============================================================
   DETAIL PAGES STYLING (Classes & Instructors Deep Subpages)
   S.U Pilates luxury warm-espresso aesthetic
============================================================ */
.class-card-action-wrap {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.class-card-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-primary-warm);
  transition: all var(--transition-fast);
}

.class-card-link-btn:hover {
  color: var(--color-primary-dark);
  transform: translateX(4px);
}

.instructor-action-wrap {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.instructor-card-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  opacity: 0.95;
  transition: all var(--transition-fast);
}

.instructor-card-link-btn:hover {
  opacity: 1;
  color: var(--color-accent-blush);
  transform: translateX(3px);
}

/* Detail Page Hero Banner */
.detail-page-header {
  padding-top: calc(var(--nav-height) + 40px);
  padding-bottom: clamp(40px, 6vw, 64px);
  background: var(--color-bg-cream);
  border-bottom: 1px solid var(--color-border-subtle);
  position: relative;
}

.detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 18px;
}

.detail-breadcrumb a {
  color: var(--color-text-body);
  transition: color var(--transition-fast);
}

.detail-breadcrumb a:hover {
  color: var(--color-primary-dark);
}

.detail-hero-content {
  max-width: 880px;
}

.detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(137, 113, 95, 0.12);
  border: 1px solid rgba(137, 113, 95, 0.25);
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-warm);
  margin-bottom: 14px;
}

.detail-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--color-text-main);
  margin-bottom: 10px;
}

.detail-subtitle-en {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.detail-lead {
  font-size: clamp(1.02rem, 1.3vw, 1.2rem);
  line-height: 1.75;
  color: var(--color-text-body);
}

/* Detail Specs Chip Bar */
.detail-specs-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.detail-spec-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-spec-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.detail-spec-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text-main);
}

/* Detail Page Layout 2 Columns */
.detail-main-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  padding-top: clamp(48px, 6vw, 80px);
  padding-bottom: clamp(64px, 8vw, 100px);
}

.detail-article {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.detail-section-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-block-title {
  font-family: var(--font-serif);
  font-size: 1.65rem;
  color: var(--color-text-main);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-block-text {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--color-text-body);
}

/* Modules Checklist */
.detail-modules-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 8px;
}

.detail-module-card {
  padding: 18px 20px;
  background: var(--color-bg-cream);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition-fast);
}

.detail-module-card:hover {
  background: var(--color-bg-base);
  border-color: rgba(137, 113, 95, 0.4);
  transform: translateX(4px);
}

.detail-module-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}

.detail-module-content h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.detail-module-content p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-text-body);
}

/* Detail Gallery Grid */
.detail-gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.detail-gallery-img-wrap {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  box-shadow: var(--shadow-sm);
}

.detail-gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.detail-gallery-img-wrap:hover .detail-gallery-img {
  transform: scale(1.05);
}

/* Detail Sticky Sidebar */
.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.detail-sticky-card {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-sidebar-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--color-text-main);
}

.detail-sidebar-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--color-text-body);
}

.detail-contact-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.86rem;
  padding: 14px 0;
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.detail-contact-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-body);
}

.detail-contact-row svg {
  flex-shrink: 0;
  color: var(--color-primary-warm);
  margin-top: 3px;
}

.detail-back-home-wrap {
  margin-top: 10px;
  text-align: center;
}

.detail-back-home-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.detail-back-home-link:hover {
  color: var(--color-primary-dark);
}

/* Instructor Detail Specifics */
.instructor-profile-hero {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

.instructor-portrait-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-base);
}

.instructor-portrait-card img {
  width: 100%;
  height: auto;
  display: block;
}

.instructor-certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.instructor-cert-card {
  padding: 16px 18px;
  background: var(--color-bg-cream);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.instructor-cert-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary-warm);
  flex-shrink: 0;
}

@media (max-width: 991.98px) {
  .detail-main-layout {
    grid-template-columns: minmax(0, 1fr);
  }
  .instructor-profile-hero {
    grid-template-columns: 1fr;
    max-width: 520px;
  }
  .detail-gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* --- WeChat Consultation Section --- */
.section--wechat {
  background-color: var(--color-bg-alt);
  padding: clamp(50px, 7vw, 84px) 0;
  border-top: 1px solid var(--color-border-subtle);
}

.wechat-consult-card {
  background: var(--color-bg-base);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 5vw, 56px);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.wechat-consult-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.wechat-features-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 6px 0;
}

.wechat-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--color-text-main);
  font-weight: 500;
}

.wechat-feature-item svg {
  color: var(--color-primary-warm);
  flex-shrink: 0;
}

.wechat-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 6px;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border-subtle);
}

.wechat-meta-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--color-primary-dark);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.wechat-meta-phone:hover {
  background: var(--color-primary-warm);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(31, 28, 23, 0.2);
}

.wechat-meta-hours {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-bg-cream);
  color: var(--color-text-body);
  font-size: 0.85rem;
  font-weight: 500;
}

.wechat-meta-hours svg,
.wechat-meta-phone svg {
  flex-shrink: 0;
}

.wechat-qr-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
}

.wechat-qr-card {
  position: relative;
  background: #FFFFFF;
  padding: 16px 16px 14px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 250px;
  width: 100%;
}

.wechat-qr-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-hover);
  border-color: rgba(137, 113, 95, 0.4);
}

.wechat-qr-image {
  width: 100%;
  max-width: 218px;
  aspect-ratio: 592 / 758;
  object-fit: contain;
  border-radius: calc(var(--radius-md) - 2px);
  display: block;
}

.wechat-qr-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary-warm);
  background: var(--color-bg-cream);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.wechat-qr-hint {
  font-size: 0.78rem;
  color: var(--color-text-light);
  letter-spacing: 0.02em;
}

/* Lightbox Modal for QR Code Inspection */
.qr-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(31, 28, 23, 0.78);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.qr-modal-backdrop.is-open {
  display: flex;
  animation: fadeIn 0.25s ease-out;
}

.qr-modal-box {
  background: #FFFFFF;
  padding: 24px;
  border-radius: var(--radius-xl);
  max-width: 380px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.qr-modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-text-light);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.qr-modal-close:hover {
  color: var(--color-primary-dark);
}

.qr-modal-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  aspect-ratio: 592 / 758;
  object-fit: contain;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

.qr-modal-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-text-main);
  margin-bottom: 4px;
}

.qr-modal-desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
}

@media (max-width: 991.98px) {
  .wechat-consult-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 36px;
  }
  .wechat-consult-content {
    align-items: center;
  }
  .wechat-features-list {
    align-items: center;
  }
  .wechat-meta-bar {
    justify-content: center;
  }
}







/* --- Official Brand Logo Styles --- */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  line-height: 1;
}

.nav-brand-img {
  display: block;
  height: 44px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  transition: opacity var(--transition-fast, 0.2s ease), transform var(--transition-fast, 0.2s ease);
}

.nav-brand:hover .nav-brand-img {
  opacity: 0.92;
  transform: scale(1.02);
}

.footer-brand-logo {
  display: inline-block;
  margin-bottom: 20px;
}

.footer-brand-img {
  display: block;
  height: 56px;
  width: auto;
  max-width: 280px;
  object-fit: contain;
  transition: opacity var(--transition-fast, 0.2s ease);
}

.footer-brand-img:hover {
  opacity: 0.95;
}

@media (max-width: 768px) {
  .nav-brand-img {
    height: 35px;
    max-width: 140px;
  }
  .footer-brand-img {
    height: 46px;
    max-width: 220px;
  }
}


/* Enhanced Module Card Alignment & Typography */
.detail-modules-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}
.detail-module-card {
  padding: 18px 22px;
  background: var(--color-bg-cream);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: all var(--transition-fast);
}
.detail-module-card:hover {
  background: var(--color-bg-base);
  border-color: rgba(137, 113, 95, 0.4);
  transform: translateX(4px);
}
.detail-module-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-dark);
  color: #FFFFFF;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.detail-module-content {
  flex: 1;
  min-width: 0;
}
.detail-module-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-main);
  margin-bottom: 6px;
  line-height: 1.4;
  word-wrap: break-word;
}
.detail-module-content h4 a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.detail-module-content h4 a:hover {
  color: var(--color-accent-blush);
}
.detail-module-content p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-text-body);
  word-wrap: break-word;
}