/* =====================================================
   AMPLITUTE CLASSES - Pixel Perfect Redesign
   Maths & Science Coaching by K K Singh
   Design: Refined Editorial + Warm Academic
   ===================================================== */

/* Skip Link - Accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-600);
  color: white;
  padding: 8px 16px;
  z-index: 1000;
  text-decoration: none;
  font-weight: 600;
  border-radius: 0 0 4px 0;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--accent-400);
  outline-offset: 2px;
}

/* Focus visible for all interactive elements */
:focus-visible {
  outline: 2px solid var(--accent-400);
  outline-offset: 2px;
}

/* Design Tokens */
:root {
  /* Primary Palette - Deep Indigo for trust & wisdom */
  --primary-900: #0a0e2c;
  --primary-800: #1a1f4e;
  --primary-700: #252b6a;
  --primary-600: #323d8a;
  --primary-500: #4650a3;
  --primary-400: #636db8;
  --primary-300: #858ed0;
  --primary-200: #a8afd9;
  --primary-100: #d0d3f0;
  --primary-50: #ebebfa;

  /* Accent - Warm Amber for achievement */
  --accent-700: #b36a00;
  --accent-600: #cc7a00;
  --accent-500: #e69500;
  --accent-400: #f5a623;
  --accent-300: #ffc04d;
  --accent-200: #ffd680;
  --accent-100: #ffebc2;

  /* Neutrals - Warm grays */
  --neutral-950: #0d0d0f;
  --neutral-900: #1a1a1f;
  --neutral-800: #2a2a30;
  --neutral-700: #404047;
  --neutral-600: #5c5c66;
  --neutral-500: #7a7a84;
  --neutral-400: #9898a0;
  --neutral-300: #b8b8c0;
  --neutral-200: #d8d8de;
  --neutral-100: #eeeef0;
  --neutral-50: #f9f9fa;

  /* Semantic */
  --bg-primary: #fdfcfa;
  --bg-secondary: #f7f5f2;
  --bg-tertiary: #eeeaef;
  --bg-card: #ffffff;
  --text-primary: var(--neutral-900);
  --text-secondary: var(--neutral-600);
  --text-muted: var(--neutral-500);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(26, 31, 78, 0.04);
  --shadow-sm: 0 2px 4px rgba(26, 31, 78, 0.06), 0 1px 2px rgba(26, 31, 78, 0.04);
  --shadow-md: 0 4px 8px rgba(26, 31, 78, 0.08), 0 2px 4px rgba(26, 31, 78, 0.04);
  --shadow-lg: 0 8px 16px rgba(26, 31, 78, 0.1), 0 4px 8px rgba(26, 31, 78, 0.04);
  --shadow-xl: 0 16px 32px rgba(26, 31, 78, 0.12), 0 8px 16px rgba(26, 31, 78, 0.04);
  --shadow-2xl: 0 24px 48px rgba(26, 31, 78, 0.16), 0 12px 24px rgba(26, 31, 78, 0.08);
  --shadow-inner: inset 0 2px 4px rgba(26, 31, 78, 0.06);
  --shadow-glow: 0 0 40px rgba(230, 149, 0, 0.15);
  --shadow-glow-primary: 0 0 40px rgba(70, 80, 163, 0.2);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-tooltip: 500;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Typography Utilities */
.text-display-xl {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-display {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.text-heading-xl {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.25;
}

.text-heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
}

.text-subheading {
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.5;
}

.text-body {
  font-size: 1rem;
  line-height: 1.7;
}

.text-small {
  font-size: 0.875rem;
  line-height: 1.6;
}

.text-caption {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-4);
  }
}

/* Section */
.section {
  padding: var(--space-20) 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-600);
  margin-bottom: var(--space-3);
  position: relative;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-500));
  border-radius: var(--radius-full);
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
  color: white;
  border-color: var(--primary-600);
  box-shadow: var(--shadow-sm), 0 4px 12px rgba(50, 61, 138, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 8px 20px rgba(50, 61, 138, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible {
  outline: 3px solid var(--primary-400);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--accent-500);
  color: white;
  border-color: var(--accent-500);
  box-shadow: var(--shadow-sm), 0 4px 12px rgba(230, 149, 0, 0.25);
}

.btn-secondary:hover {
  background: var(--accent-600);
  border-color: var(--accent-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), 0 8px 20px rgba(230, 149, 0, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary-700);
  border-color: var(--primary-300);
}

.btn-outline:hover {
  background: var(--primary-50);
  border-color: var(--primary-400);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: var(--neutral-100);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

.btn-full {
  width: 100%;
}

.btn-icon {
  padding: var(--space-3);
}

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(253, 252, 250, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(26, 31, 78, 0.06);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.logo-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm), 0 4px 12px rgba(50, 61, 138, 0.2);
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  position: relative;
  padding: var(--space-2) var(--space-4);
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links a:not(.btn):hover {
  color: var(--primary-600);
  background: var(--primary-50);
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background: var(--primary-500);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.nav-links a:not(.btn):hover::after {
  transform: scaleX(1);
}

.nav-links .btn {
  margin-left: var(--space-4);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: var(--space-3);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--primary-800);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 20% 40%, rgba(70, 80, 163, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(230, 149, 0, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(26, 31, 78, 0.02) 1px, transparent 1px),
    linear-gradient(rgba(26, 31, 78, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 50%;
  height: 80%;
  background:
    radial-gradient(circle at 30% 30%, rgba(230, 149, 0, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(70, 80, 163, 0.08) 0%, transparent 50%);
  filter: blur(80px);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  25% { transform: translate(-5%, 5%) rotate(2deg); }
  50% { transform: translate(0, 10%) rotate(0deg); }
  75% { transform: translate(5%, 5%) rotate(-2deg); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
  padding: var(--space-12) 0;
}

.hero-text {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, rgba(230, 149, 0, 0.1) 0%, rgba(230, 149, 0, 0.05) 100%);
  color: var(--accent-700);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-6);
  border: 1px solid rgba(230, 149, 0, 0.2);
  animation: fadeInUp 0.6s ease-out both;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--primary-900);
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero h1 .highlight {
  position: relative;
  color: var(--primary-600);
}

.hero h1 .highlight::after {
  content: '';
  position: absolute;
  bottom: 0.1em;
  left: 0;
  right: 0;
  height: 0.3em;
  background: linear-gradient(90deg, var(--accent-300) 0%, var(--accent-200) 100%);
  opacity: 0.4;
  border-radius: 4px;
  z-index: -1;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  max-width: 540px;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  padding: var(--space-6) 0;
  margin-bottom: var(--space-8);
  border-top: 1px solid var(--neutral-200);
  border-bottom: 1px solid var(--neutral-200);
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

.stat {
  position: relative;
}

.stat::after {
  content: '';
  position: absolute;
  right: calc(var(--space-10) * -0.5 - 0.5px);
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 60%;
  background: var(--neutral-200);
}

.stat:last-child::after {
  display: none;
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: var(--space-1);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-image {
  position: relative;
  animation: fadeInRight 0.8s ease-out 0.3s both;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  height: auto;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, var(--primary-200) 0%, var(--accent-200) 100%);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.5;
  transform: rotate(-4deg);
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle at 30% 30%, var(--primary-100) 0%, transparent 50%);
  z-index: -2;
  filter: blur(40px);
}

/* Decorative Elements */
.hero-decor {
  position: absolute;
  pointer-events: none;
}

.hero-decor-1 {
  top: 20%;
  left: 5%;
  width: 120px;
  height: 120px;
  border: 2px solid var(--primary-200);
  border-radius: 50%;
  opacity: 0.3;
  animation: spin 30s linear infinite;
}

.hero-decor-2 {
  bottom: 30%;
  left: 10%;
  width: 80px;
  height: 80px;
  border: 2px solid var(--accent-300);
  opacity: 0.4;
  animation: float 15s ease-in-out infinite reverse;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about {
  background: var(--bg-primary);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--neutral-200) 50%, transparent 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  height: auto;
}

.about-image::before {
  content: '';
  position: absolute;
  inset: -16px;
  background: linear-gradient(135deg, var(--primary-100) 0%, transparent 50%);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.6;
}

.about-image::after {
  content: '';
  position: absolute;
  inset: -32px;
  background:
    radial-gradient(circle at 20% 80%, var(--accent-200) 0%, transparent 30%),
    radial-gradient(circle at 80% 20%, var(--primary-100) 0%, transparent 30%);
  z-index: -2;
  opacity: 0.5;
  filter: blur(30px);
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-900);
  margin-bottom: var(--space-2);
}

.about-intro {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  line-height: 1.6;
}

.credentials {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.credential-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--neutral-100);
  transition: all var(--transition-base);
}

.credential-item:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.credential-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.credential-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary-600);
}

.credential-item strong {
  display: block;
  font-size: 1rem;
  color: var(--primary-800);
  margin-bottom: var(--space-1);
}

.credential-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.about-philosophy {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.8;
  padding-left: var(--space-6);
  border-left: 3px solid var(--accent-400);
  background: linear-gradient(90deg, var(--bg-secondary) 0%, transparent 100%);
  padding: var(--space-4) var(--space-6);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* =====================================================
   WHY CHOOSE SECTION
   ===================================================== */
.why-choose {
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.why-choose::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231a1f4e' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.why-choose .container {
  position: relative;
  z-index: 1;
}

.why-choose h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-900);
  text-align: center;
  margin-bottom: var(--space-12);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--bg-card);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500) 0%, var(--accent-500) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-5);
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--bg-secondary) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.feature-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  background: linear-gradient(135deg, var(--primary-100) 0%, var(--accent-100) 100%);
  border-radius: calc(var(--radius-lg) + 4px);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover .feature-icon::after {
  opacity: 1;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--primary-600);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-3);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =====================================================
   COURSES SECTION
   ===================================================== */
.courses {
  background: var(--bg-primary);
}

.courses h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-900);
  text-align: center;
  margin-bottom: var(--space-12);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

@media (max-width: 1200px) {
  .courses-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

  .courses-grid .course-card:last-child {
    grid-column: span 2;
    max-width: 500px;
    margin: 0 auto;
  }
}

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

  .courses-grid .course-card:last-child {
    grid-column: auto;
    max-width: none;
  }
}

.course-card {
  background: var(--bg-card);
  border: 2px solid var(--neutral-100);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
  overflow: hidden;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, var(--primary-50) 0%, transparent 30%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.course-card:hover {
  border-color: var(--primary-200);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.course-card:hover::before {
  opacity: 1;
}

.course-card.featured {
  border-color: var(--primary-300);
  background: linear-gradient(180deg, rgba(70, 80, 163, 0.03) 0%, var(--bg-card) 100%);
}

.course-card.featured::before {
  opacity: 1;
}

.course-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: linear-gradient(135deg, var(--accent-500) 0%, var(--accent-600) 100%);
  color: white;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.course-header {
  margin-bottom: var(--space-6);
  position: relative;
  z-index: 1;
}

.course-class {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
}

.course-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-800);
  margin-top: var(--space-4);
  position: relative;
  z-index: 1;
}

.course-features {
  margin: var(--space-6) 0;
  position: relative;
  z-index: 1;
}

.course-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  position: relative;
}

.course-features li::before {
  content: '';
  width: 20px;
  height: 20px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2310b981'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E") center/contain no-repeat;
  flex-shrink: 0;
}

.course-card .btn {
  position: relative;
  z-index: 1;
}

/* =====================================================
   RESULTS/TESTIMONIALS SECTION
   ===================================================== */
.results {
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
}

.results::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--primary-50) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  z-index: 0;
}

.results .container {
  position: relative;
  z-index: 1;
}

.results h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-900);
  text-align: center;
  margin-bottom: var(--space-12);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--neutral-100);
  transition: all var(--transition-base);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--primary-100);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-100);
}

.testimonial-content {
  margin-bottom: var(--space-6);
  padding-top: var(--space-8);
}

.testimonial-content p {
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.8;
}

.testimonial-content strong {
  color: var(--primary-600);
  font-weight: 600;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--neutral-100);
}

.author-avatar {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.author-info strong {
  display: block;
  color: var(--primary-800);
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.author-info span {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Google Reviews Badge */
.google-reviews-header {
  text-align: center;
  margin-bottom: var(--space-10);
}

.google-reviews-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
  border: 1px solid var(--neutral-100);
}

.google-reviews-badge:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
}

.google-reviews-badge span {
  font-weight: 600;
}

/* =====================================================
   GALLERY SECTION
   ===================================================== */
.gallery {
  background: var(--bg-primary);
}

.gallery h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-900);
  text-align: center;
  margin-bottom: var(--space-12);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
}

.gallery-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(26, 31, 78, 0.4) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: 1;
}

.gallery-item::after {
  content: '+';
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-600);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 2;
  box-shadow: var(--shadow-md);
}

.gallery-item:hover::before,
.gallery-item:hover::after {
  opacity: 1;
}

.gallery-item:hover::after {
  transform: translateY(0);
}

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

.gallery-item:hover img {
  transform: scale(1.1);
}

/* Gallery item keyboard focus */
.gallery-item:focus {
  outline: 3px solid var(--primary-400);
  outline-offset: 3px;
}
.gallery-item:focus::before {
  opacity: 1;
}
.gallery-item:focus img {
  transform: scale(1.1);
}

/* =====================================================
   CONTACT SECTION
   ===================================================== */
.contact {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(180deg, transparent 0%, var(--primary-50) 100%);
  opacity: 0.3;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-16);
  position: relative;
  z-index: 1;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-900);
  margin-bottom: var(--space-4);
}

.contact-info > p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
  line-height: 1.7;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary-600);
}

.contact-item strong {
  display: block;
  color: var(--primary-800);
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.contact-item p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.contact-item a {
  color: var(--primary-600);
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 48px;
  height: 48px;
  background: var(--bg-card);
  border: 2px solid var(--neutral-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-600);
  border-color: var(--primary-600);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.social-link svg {
  width: 22px;
  height: 22px;
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--neutral-100);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-2);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-4);
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-primary);
  border: 2px solid var(--neutral-200);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-400);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px rgba(70, 80, 163, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--neutral-400);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23404047' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

/* Form validation error state */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
  border-color: #dc2626;
  background: #fef2f2;
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
}

.form-group.error input:focus,
.form-group.error select:focus,
.form-group.error textarea:focus {
  border-color: #dc2626;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(70, 80, 163, 0.3) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(230, 149, 0, 0.1) 0%, transparent 50%);
}

.footer .container {
  position: relative;
  z-index: 1;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
  color: white;
  margin-bottom: var(--space-4);
}

.footer-brand .logo-img {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-400) 100%);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
}

.footer-brand .logo-text {
  background: linear-gradient(135deg, white 0%, rgba(255, 255, 255, 0.8) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-contact p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.footer-bottom {
  padding-top: var(--space-8);
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.4);
}

/* =====================================================
   ANIMATIONS
   ===================================================== */
.animate-in {
  animation: fadeInUp 0.6s ease-out both;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* Scroll-triggered animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* =====================================================
   RESULTS SHOWCASE SECTION
   ===================================================== */
.results-showcase {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.result-card {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--neutral-100);
  transition: all var(--transition-base);
}

.result-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.result-image {
  position: relative;
  padding-bottom: 60%; /* 5:3 aspect ratio */
  overflow: hidden;
}

.result-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.result-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--accent-500);
  color: white;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.result-content {
  padding: var(--space-6);
}

.result-content h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary-800);
}

.result-content p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */
@media (max-width: 1200px) {
  .hero-content {
    gap: var(--space-10);
  }

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

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    order: 2;
  }

  .hero-image {
    order: 1;
    max-width: 500px;
    margin: 0 auto;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-cta {
    justify-content: center;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .about-image {
    max-width: 500px;
    margin: 0 auto;
  }

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

  /* For 5 cards: center the 5th (last) card by making it span both columns */
  .courses-grid .course-card:last-child {
    grid-column: span 2;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-14) 0;
  }

  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-2);
    border-top: 1px solid var(--neutral-100);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-modal);
  }

  .nav-links.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a:not(.btn) {
    padding: var(--space-4);
    font-size: 1rem;
  }

  .nav-links a:not(.btn)::after {
    display: none;
  }

  .nav-links .btn {
    margin-left: 0;
    margin-top: var(--space-4);
    width: 100%;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

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

  .courses-grid .course-card:last-child {
    grid-column: auto;
    max-width: none;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
    text-align: center;
  }

  .footer-brand p {
    max-width: none;
  }

  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: var(--space-6);
    text-align: center;
  }

  .stat::after {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

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

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

  .contact-form-wrapper {
    padding: var(--space-6);
  }
}

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

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--primary-400);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .header,
  .hero-image,
  .social-links,
  .mobile-menu-btn {
    display: none;
  }
}

/* =====================================================
   MISSING COMPONENT STYLES
   ===================================================== */

/* Form group focused state (for JS-added class) */
.form-group.focused input,
.form-group.focused select,
.form-group.focused textarea {
  outline: none;
  border-color: var(--primary-400);
  background: var(--bg-card);
  box-shadow: 0 0 0 4px rgba(70, 80, 163, 0.1);
}

/* Active nav link on scroll */
.nav-links a.active {
  color: var(--primary-600);
  background: var(--primary-50);
}
.nav-links a.active::after {
  transform: scaleX(1);
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 0.3s ease-out;
}
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 44, 0.95);
  backdrop-filter: blur(10px);
  cursor: pointer;
}
.lightbox-content {
  position: relative;
  max-width: min(90vw, 1200px);
  max-height: 90vh;
  animation: scaleIn 0.3s ease-out;
}
.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}
.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  transition: background 0.2s;
}
.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-tooltip);
  background: linear-gradient(135deg, #323d8a 0%, #1a1f4e 100%);
  color: white;
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 40px rgba(26, 31, 78, 0.3);
  animation: slideInRight 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  max-width: min(90vw, 400px);
}
.toast-content {
  display: flex;
  align-items: center;
  gap: 12px;
}
.toast-success {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}
.toast-error {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

/* =====================================================
   ACCESSIBILITY & REDUCED MOTION
   ===================================================== */

/* Respect user's reduced motion preference */
@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;
  }

  .reveal,
  .animate-in,
  .feature-card,
  .course-card,
  .testimonial-card,
  .gallery-item,
  .credential-item {
    opacity: 1;
    transform: none;
  }

  .hero-bg::after {
    animation: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --primary-400: #323d8a;
    --accent-400: #e69500;
  }

  .btn-primary {
    border: 2px solid white;
  }

  .btn-outline {
    border-width: 3px;
  }
}

/* Keyframe animations needed for inline-defined lightbox */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}