/* ==========================================================================
   SURESH SENANAYAKE PHYSICS CLASSES — STYLESHEET
   Academic, Trustworthy, Scientific, Mobile-First
   Palette per Visual Direction Brief:
     - Primary Brand Color: Rich Royal Blue (#1D3FD6), deepening to
       Indigo / Academic Navy (#0B2545 & #07192F)
     - Secondary Accent: Vivid Amber / Orange (#F5A623) for CTAs & badges
     - Tertiary Accent: Energetic Teal / Cyan (#17B6A7) for motifs & icons
     - Main Background: Warm Off-White (#FAF9F6)
     - Tinted Panels: Pale Blue-Tinted (#F0F4FD) for section rhythm
   ========================================================================== */

/* --- 1. CSS CUSTOM PROPERTIES (THEME TOKENS) --- */
:root {
  /* Brand Color System */
  --color-brand-blue: #1D3FD6;
  --color-brand-blue-hover: #1534B8;
  --color-brand-blue-light: #4868F5;
  --color-brand-blue-soft: rgba(29, 63, 214, 0.08);

  --color-primary: #0B2545;
  --color-primary-dark: #07192F;
  --color-primary-light: #133866;

  /* Secondary Accent: Vivid Amber / Orange */
  --color-accent-amber: #F5A623;
  --color-accent-amber-hover: #E09212;
  --color-accent-amber-soft: rgba(245, 166, 35, 0.14);

  /* Tertiary Accent: Energetic Teal / Cyan */
  --color-accent-teal: #17B6A7;
  --color-accent-teal-hover: #129B8E;
  --color-accent-teal-soft: rgba(23, 182, 167, 0.12);
  --color-accent-teal-glow: rgba(23, 182, 167, 0.45);

  /* Backgrounds & Panel Rhythm */
  --color-bg: #FAF9F6;
  --color-bg-tinted-blue: #F0F4FD;
  --color-bg-tinted-amber: #FFFBF4;
  --color-surface: #FFFFFF;
  --color-surface-subtle: #F5F3EC;

  /* Text & Neutral Hierarchy */
  --color-text-main: #141E2B;
  --color-text-muted: #4B5C70;
  --color-text-light: #738497;
  --color-border: #E2DFD6;
  --color-border-subtle: #ECE9E1;

  /* Semantic UI */
  --color-whatsapp: #25D366;
  --color-whatsapp-dark: #1EBE5D;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-sinhala: 'Noto Sans Sinhala', 'Inter', -apple-system, sans-serif;

  /* Radii & Shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --shadow-subtle: 0 2px 8px rgba(11, 37, 69, 0.04), 0 1px 2px rgba(11, 37, 69, 0.02);
  --shadow-card: 0 6px 20px rgba(11, 37, 69, 0.06), 0 1px 3px rgba(11, 37, 69, 0.04);
  --shadow-card-hover: 0 12px 30px rgba(11, 37, 69, 0.12), 0 3px 8px rgba(11, 37, 69, 0.06);

  /* Layout */
  --max-width: 1140px;
  --header-height: 74px;
  --transition-normal: 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. BASE & RESET --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text-main);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
}

body.lang-sinhala {
  font-family: var(--font-sinhala);
  line-height: 1.75;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button, input, select, textarea {
  font: inherit;
}

/* Visible keyboard accessibility focus states */
:focus-visible {
  outline: 2.5px solid var(--color-brand-blue);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* --- 3. TYPOGRAPHY & SECTION HEADERS --- */
.section {
  padding: 84px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 52px auto;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-brand-blue);
  background-color: var(--color-brand-blue-soft);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- 4. BUTTONS & UI CONTROLS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  font-size: 0.98rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-align: center;
  text-decoration: none;
}

/* Vivid Amber Primary Button */
.btn-primary {
  background-color: var(--color-accent-amber);
  color: #07192F;
  border-color: var(--color-accent-amber);
  box-shadow: 0 4px 14px rgba(245, 166, 35, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-accent-amber-hover);
  border-color: var(--color-accent-amber-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(245, 166, 35, 0.45);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-whatsapp-header {
  background-color: var(--color-whatsapp);
  color: #FFFFFF;
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  box-shadow: 0 3px 10px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-header:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-1px);
  box-shadow: 0 5px 14px rgba(37, 211, 102, 0.35);
}

/* --- 5. SITE HEADER & NAVIGATION --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(250, 249, 246, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 16px rgba(11, 37, 69, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.brand-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 6px 2px;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background-color: var(--color-brand-blue);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-brand-blue);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Bilingual Toggle Button */
.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: all var(--transition-normal);
}

.lang-toggle-btn:hover {
  border-color: var(--color-brand-blue);
}

.lang-opt {
  color: var(--color-text-muted);
  transition: color var(--transition-normal);
}

.lang-opt.active {
  color: var(--color-brand-blue);
  font-weight: 800;
}

.lang-divider {
  color: var(--color-border);
}

/* Mobile Toggle Hamburger */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  flex-direction: column;
  gap: 5px;
  border-radius: var(--radius-sm);
}

.mobile-menu-toggle .bar {
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* --- 6. HERO SECTION (BOLD NAVY-TO-ROYAL-BLUE GRADIENT) --- */
.hero-section {
  position: relative;
  padding: 84px 0 96px 0;
  /* Rich navy-to-royal-blue diagonal gradient per brief */
  background: linear-gradient(135deg, #07192F 0%, #0B2545 32%, #133385 68%, #1D3FD6 100%);
  color: #FFFFFF;
  overflow: hidden;
}

/* Physics Orbital & Particle Background Motif */
.hero-physics-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.28;
}

.hero-wave-bg {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  pointer-events: none;
  z-index: 2;
}

.wave-graphic {
  width: 100%;
  height: 72px;
  display: block;
}

.hero-container {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 890px;
}

/* Tasteful Fade-in Animation for Hero on Load */
@keyframes heroFadeUp {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade {
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(23, 182, 167, 0.45);
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  color: #E6F7F6;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent-teal);
  box-shadow: 0 0 10px var(--color-accent-teal);
}

.hero-headline {
  font-size: 3.1rem;
  font-weight: 800;
  line-height: 1.16;
  color: #FFFFFF;
  letter-spacing: -0.75px;
  margin-bottom: 22px;
}

/* Subtle Teal Accent Line & Highlight in Hero Headline */
.hero-headline .text-teal-highlight {
  color: #3DE0D0;
  position: relative;
  display: inline-block;
}

.hero-headline .text-teal-highlight::after {
  content: '';
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #17B6A7 0%, #F5A623 100%);
  border-radius: 2px;
}

.hero-subline {
  font-size: 1.16rem;
  color: #D3E0FA;
  max-width: 780px;
  margin: 0 auto 38px auto;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}

/* Vivid Amber Primary CTA popping strongly on dark hero */
.hero-cta-group .btn-primary {
  background-color: var(--color-accent-amber);
  color: #07192F;
  border-color: var(--color-accent-amber);
  font-weight: 800;
  padding: 15px 30px;
  font-size: 1.05rem;
  box-shadow: 0 6px 20px rgba(245, 166, 35, 0.4);
}

.hero-cta-group .btn-primary:hover {
  background-color: #FFAE33;
  border-color: #FFAE33;
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(245, 166, 35, 0.5);
}

/* Secondary CTA with crisp white border */
.hero-cta-group .btn-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  font-weight: 700;
  padding: 15px 30px;
  font-size: 1.05rem;
}

.hero-cta-group .btn-secondary:hover {
  background-color: #FFFFFF;
  color: var(--color-primary);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

/* Quick Metric Strip on Hero */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 24px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.stat-card {
  text-align: center;
  position: relative;
}

.stat-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: rgba(255, 255, 255, 0.16);
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.2;
}

.stat-number.teal-stat {
  color: #3DE0D0;
}

.stat-number.amber-stat {
  color: #FFB84D;
}

.stat-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: #C8D7F0;
  margin-top: 5px;
  display: block;
}

/* --- 7. ABOUT THE TEACHER --- */
.about-section {
  background-color: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 36px;
  align-items: start;
}

.about-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.teacher-card {
  text-align: center;
}

.teacher-avatar-frame {
  width: 140px;
  height: 140px;
  margin: 0 auto 20px auto;
  border-radius: 50%;
  padding: 6px;
  border: 2px dashed var(--color-accent-teal);
  background-color: var(--color-bg-tinted-blue);
  position: relative;
}

.teacher-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
  box-shadow: 0 4px 12px rgba(11, 37, 69, 0.15);
}

.avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-blue) 100%);
  color: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.avatar-icon {
  width: 48px;
  height: 48px;
  opacity: 0.85;
}

.avatar-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-top: 2px;
  opacity: 0.95;
}

.teacher-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.teacher-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-brand-blue);
  margin-bottom: 20px;
}

.credentials-list {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-subtle);
}

.credentials-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.cred-icon {
  color: var(--color-accent-teal);
  font-weight: 800;
  flex-shrink: 0;
}

.philosophy-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: 16px;
}

.body-text {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.philosophy-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-subtle);
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.pillar-bullet {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
  font-size: 0.82rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.pillar-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.pillar-item p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- 8. CLASSES OFFERED (SOFT TINTED BACKGROUND PANEL) --- */
.classes-section {
  background-color: var(--color-bg-tinted-blue);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.class-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.class-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.class-card.featured-card {
  border-color: var(--color-brand-blue);
  box-shadow: var(--shadow-card);
}

.class-card-image-wrap {
  width: calc(100% + 64px);
  margin: -32px -32px 18px -32px;
  height: 180px;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  overflow: hidden;
  background-color: var(--color-surface-subtle);
}

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

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

.class-schedule-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--color-brand-blue);
  font-weight: 600;
  margin-bottom: 16px;
  padding: 6px 12px;
  background-color: rgba(29, 63, 214, 0.06);
  border-radius: var(--radius-sm);
}

.class-card-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background-color: var(--color-accent-amber);
  color: #07192F;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.75px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 3px 8px rgba(245, 166, 35, 0.35);
}

.class-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

.class-tag {
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.tag-al { background-color: rgba(29, 63, 214, 0.1); color: var(--color-brand-blue); }
.tag-rev { background-color: rgba(245, 166, 35, 0.16); color: #B36800; }
.tag-ol { background-color: rgba(23, 182, 167, 0.16); color: #0F8C80; }
.tag-prac { background-color: rgba(11, 37, 69, 0.08); color: var(--color-primary); }

.class-medium-tag {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.class-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.class-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.class-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-subtle);
  flex-grow: 1;
}

.class-features li {
  font-size: 0.88rem;
  color: var(--color-text-main);
  position: relative;
  padding-left: 20px;
}

.class-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent-teal);
  font-weight: 800;
  font-size: 0.95rem;
}

.class-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-subtle);
  font-size: 0.88rem;
}

.class-loc {
  color: var(--color-text-muted);
}

.class-enroll-btn {
  color: var(--color-brand-blue);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.class-enroll-btn:hover {
  color: var(--color-accent-amber);
}

/* --- 9. WHY CHOOSE US --- */
.why-us-section {
  background-color: var(--color-bg);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.why-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.why-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-accent-teal);
}

.why-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-teal-soft);
  color: var(--color-accent-teal);
  border: 1px solid rgba(23, 182, 167, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.why-icon-box svg {
  stroke: var(--color-accent-teal);
}

.why-title {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 10px;
  line-height: 1.35;
}

.why-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- 10. LOCATION / INSTITUTE --- */
.location-section {
  background-color: var(--color-bg-tinted-amber);
  border-top: 1px solid var(--color-border-subtle);
}

.location-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.location-details {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.venue-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-accent-teal-soft);
  color: #0F8C80;
  border: 1px solid rgba(23, 182, 167, 0.25);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
  margin-bottom: 16px;
}

.institute-name {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.institute-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}

.institute-address strong {
  color: var(--color-text-main);
}

.schedule-summary {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 28px;
}

.schedule-summary h4 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.schedule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.schedule-list strong {
  color: var(--color-text-main);
}

.location-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.location-map-wrap {
  position: relative;
  background-color: #E2DFD8;
  display: flex;
  flex-direction: column;
}

.map-iframe {
  flex-grow: 1;
  min-height: 380px;
  border: none;
}

.map-caption {
  background-color: var(--color-surface);
  padding: 8px 16px;
  border-top: 1px solid var(--color-border-subtle);
  text-align: center;
  color: var(--color-text-light);
}

/* --- 11. CONTACT SECTION --- */
.contact-section {
  background-color: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 36px;
  align-items: start;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.channel-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.channel-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-brand-blue);
}

.channel-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.whatsapp-channel .channel-icon-wrap {
  background-color: rgba(37, 211, 102, 0.12);
  color: #128C7E;
}

.phone-channel .channel-icon-wrap {
  background-color: var(--color-brand-blue-soft);
  color: var(--color-brand-blue);
}

.email-channel .channel-icon-wrap {
  background-color: var(--color-accent-amber-soft);
  color: #B36800;
}

.channel-info {
  display: flex;
  flex-direction: column;
}

.channel-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.channel-val {
  font-size: 1.08rem;
  font-weight: 800;
  color: var(--color-primary);
  margin: 2px 0;
}

.channel-hint {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.contact-form-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.form-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.form-sub {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.inquiry-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-group label {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.94rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: #FAF9F6;
  color: var(--color-text-main);
  transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  background-color: #FFFFFF;
  border-color: var(--color-brand-blue);
  outline: none;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.btn-submit {
  flex: 1;
}

.btn-submit-wa {
  flex: 1;
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
}

.btn-submit-wa:hover {
  background-color: #1EBE5D;
}

.form-note {
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 6px;
  text-align: center;
}

.form-success-alert {
  margin-top: 16px;
  padding: 16px;
  background-color: rgba(37, 211, 102, 0.15);
  border: 1px solid #25D366;
  border-radius: var(--radius-sm);
  color: #0A5C2B;
}

.form-success-alert strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.form-success-alert p {
  font-size: 0.88rem;
}

/* --- 12. FOOTER (DARK NAVY / INDIGO) --- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #BAC7D5;
  padding: 68px 0 28px 0;
  border-top: 3px solid var(--color-brand-blue);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  height: 46px;
  width: auto;
  margin-bottom: 18px;
}

.footer-tagline {
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 440px;
  color: #92A3B8;
}

.footer-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: #BAC7D5;
}

.footer-links a:hover {
  color: var(--color-accent-amber);
  padding-left: 4px;
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.9rem;
}

.footer-contact-list strong {
  color: #FFFFFF;
  display: inline-block;
  min-width: 82px;
}

.footer-contact-list a {
  color: #BAC7D5;
}

.footer-contact-list a:hover {
  color: var(--color-accent-teal);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: #728498;
  flex-wrap: wrap;
  gap: 12px;
}

.hosting-badge {
  font-family: monospace;
  font-size: 0.78rem;
  background-color: rgba(255, 255, 255, 0.06);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  color: #A0B2C6;
}

.design-credit {
  font-size: 0.82rem;
  color: #92A3B8;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.design-credit .credit-link {
  color: var(--color-accent-amber);
  font-weight: 700;
  text-decoration: none;
  transition: color var(--transition-normal);
}

.design-credit .credit-link:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* --- 13. FLOATING WHATSAPP BUTTON --- */
.floating-wa-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.floating-wa-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
}

.floating-tooltip {
  position: absolute;
  right: 68px;
  background-color: #07192F;
  color: #FFFFFF;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

/* --- VIDEO SHOWCASE CARD & MODAL --- */
.video-showcase-card {
  margin-top: 24px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-brand-blue) 100%);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(11, 37, 69, 0.2);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.video-showcase-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11, 37, 69, 0.3);
}

.video-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.video-play-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--color-accent-amber);
  color: #07192F;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(245, 166, 35, 0.4);
}

.video-text h4 {
  font-size: 0.96rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 2px;
}

.video-text p {
  font-size: 0.78rem;
  color: #C2DBFE;
}

.video-badge-pill {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: rgba(255, 255, 255, 0.15);
  color: #FFFFFF;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.video-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 25, 47, 0.88);
  backdrop-filter: blur(5px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.video-modal-overlay.active {
  display: flex;
}

.video-modal-container {
  background: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 800px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.video-modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: rgba(0, 0, 0, 0.6);
  border: none;
  color: #FFFFFF;
  font-size: 24px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-normal);
}

.video-modal-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.video-modal-iframe-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
}

.video-modal-iframe-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --- STUDENT RESULTS & TESTIMONIALS --- */
.results-section {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border-subtle);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-brand-blue-light);
}

.testimonial-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.student-identity {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-avatar-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-brand-blue) 0%, var(--color-primary) 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid var(--color-accent-amber);
}

.student-name {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.student-faculty {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.rank-badge {
  background: linear-gradient(135deg, #FFF7E6 0%, #FFE8B8 100%);
  border: 1px solid rgba(245, 166, 35, 0.45);
  color: #8C4E00;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.score-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.score-pill {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-tinted-blue);
  color: var(--color-brand-blue);
  border: 1px solid rgba(29, 63, 214, 0.15);
}

.grade-pill {
  font-size: 0.8rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background-color: rgba(23, 182, 167, 0.12);
  color: #0E8075;
  border: 1px solid rgba(23, 182, 167, 0.25);
}

.testimonial-quote {
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--color-text-main);
  font-style: italic;
  position: relative;
  padding-left: 20px;
  border-left: 3px solid var(--color-brand-blue);
  margin-top: auto;
}

/* --- FEES STRUCTURE --- */
.fees-section {
  background-color: var(--color-bg-tinted-blue);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.fees-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.fee-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.fee-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.fee-card.featured-fee {
  border: 2px solid var(--color-brand-blue);
  box-shadow: 0 10px 28px rgba(29, 63, 214, 0.15);
}

.fee-badge {
  position: absolute;
  top: -12px;
  right: 18px;
  background-color: var(--color-accent-amber);
  color: #07192F;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(245, 166, 35, 0.3);
}

.fee-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 4px;
  line-height: 1.3;
}

.fee-medium {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 600;
  margin-bottom: 16px;
}

.fee-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: 16px;
}

.fee-price {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-brand-blue);
}

.fee-period {
  font-size: 0.78rem;
  color: var(--color-text-light);
  font-weight: 600;
}

.fee-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--color-text-main);
  margin-bottom: 24px;
  flex-grow: 1;
}

.fee-features li {
  position: relative;
  padding-left: 18px;
  line-height: 1.45;
}

.fee-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent-teal);
  font-weight: 800;
}

.fee-enroll-btn {
  width: 100%;
  text-align: center;
  padding: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-tinted-blue);
  color: var(--color-brand-blue);
  border: 1px solid rgba(29, 63, 214, 0.2);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.fee-enroll-btn:hover {
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
}

.fee-card.featured-fee .fee-enroll-btn {
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
}

.fee-card.featured-fee .fee-enroll-btn:hover {
  background-color: var(--color-brand-blue-hover);
}

/* --- FAQ ACCORDION --- */
.faq-section {
  background-color: var(--color-bg);
}

.faq-container {
  max-width: 820px;
  margin: 0 auto;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: border-color var(--transition-normal);
}

.faq-item.active {
  border-color: var(--color-brand-blue);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  transition: color var(--transition-normal);
  font-family: inherit;
}

.faq-question:hover {
  color: var(--color-brand-blue);
}

.faq-item.active .faq-question {
  color: var(--color-brand-blue);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-bg-tinted-blue);
  color: var(--color-brand-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition-normal), background-color var(--transition-normal), color var(--transition-normal);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  padding: 0 24px;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px 24px;
}

/* --- CAMPUS PHOTO & GOOGLE REVIEW BADGE --- */
.campus-photo-card {
  margin-top: 20px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  height: 180px;
  box-shadow: var(--shadow-subtle);
}

.campus-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.campus-photo-card:hover .campus-photo-img {
  transform: scale(1.03);
}

.google-review-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 20px;
  text-decoration: none;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.google-review-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.google-icon-svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.stars-rating {
  color: #F5A623;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.rating-text {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* --- SOCIAL LINKS --- */
.social-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.08);
  color: #BAC7D5;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.social-btn:hover {
  background-color: var(--color-brand-blue);
  color: #FFFFFF;
  transform: translateY(-2px);
  border-color: var(--color-brand-blue);
}

.social-btn.youtube:hover {
  background-color: #FF0000;
  border-color: #FF0000;
}

.social-btn.facebook:hover {
  background-color: #1877F2;
  border-color: #1877F2;
}

.social-btn.telegram:hover {
  background-color: #229ED9;
  border-color: #229ED9;
}

.social-btn.instagram:hover {
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  border-color: transparent;
  color: #FFFFFF;
}

/* --- SCROLL ANIMATIONS (INTERSECTION OBSERVER) --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- 14. RESPONSIVE BREAKPOINTS (MOBILE-FIRST TUNING) --- */

/* Tablets & Down (<= 992px) */
@media (max-width: 992px) {
  .hero-headline {
    font-size: 2.4rem;
  }

  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat-card:nth-child(2)::after {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .classes-grid {
    grid-template-columns: 1fr;
  }

  .fees-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .location-card {
    grid-template-columns: 1fr;
  }

  .location-map-wrap {
    min-height: 320px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Phones & Small Screens (<= 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header-container {
    padding: 0 14px;
    gap: 8px;
  }

  .brand-logo {
    height: 38px;
    max-width: 170px;
    object-fit: contain;
  }

  .header-actions {
    gap: 8px;
  }

  .lang-toggle-btn {
    padding: 5px 10px;
    font-size: 0.78rem;
  }

  .mobile-menu-toggle {
    display: flex;
    padding: 4px;
  }

  .site-nav {
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: #FAF9F6;
    border-bottom: 1px solid var(--color-border);
    padding: 20px;
    display: none;
    box-shadow: 0 10px 20px rgba(11, 37, 69, 0.08);
  }

  .site-nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .nav-link {
    font-size: 1.05rem;
    width: 100%;
  }

  .btn-whatsapp-header {
    display: none; /* Mobile header kept sleek; floating WhatsApp button covers this */
  }

  .hero-section {
    padding: 54px 0 44px 0;
  }

  .hero-badge {
    font-size: 0.78rem;
    padding: 6px 14px;
    margin-bottom: 18px;
    max-width: 100%;
    line-height: 1.35;
  }

  .hero-headline {
    font-size: 1.95rem;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
  }

  .hero-subline {
    font-size: 0.98rem;
    margin-bottom: 30px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-bottom: 36px;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    padding: 20px 14px;
  }

  .stat-number {
    font-size: 1.45rem;
  }

  .stat-label {
    font-size: 0.78rem;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .about-card,
  .class-card,
  .contact-form-card {
    padding: 24px;
  }

  .location-details {
    padding: 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .fees-grid {
    grid-template-columns: 1fr;
  }
}

/* Extra Small Screens (<= 480px) */
@media (max-width: 480px) {
  .brand-logo {
    height: 34px;
    max-width: 145px;
  }

  .hero-headline {
    font-size: 1.72rem;
  }

  .hero-stats-grid {
    gap: 12px;
    padding: 16px 10px;
  }

  .stat-card:not(:last-child)::after {
    display: none;
  }

  .stat-number {
    font-size: 1.35rem;
  }

  .stat-label {
    font-size: 0.74rem;
  }
}

/* --- 15. ACCESSIBILITY: PREFERS 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;
  }
}