/* ===== DESIGN TOKENS ===== */
:root {
  /* Primary Colors - Warm Education Theme */
  --color-primary: #6c5ce7;
  --color-primary-light: #a29bfe;
  --color-primary-dark: #4834d4;
  --color-secondary: #00b894;
  --color-accent: #fd79a8;
  --color-accent-light: #fab1d0;
  --color-orange: #fdcb6e;
  --color-blue: #74b9ff;
  --color-green: #55efc4;

  /* Light Neutrals */
  --color-bg: #fafbff;
  --color-bg-light: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-section: #f0f3ff;
  --color-surface: rgba(108, 92, 231, 0.04);
  --color-text: #2d3436;
  --color-text-secondary: #636e72;
  --color-text-muted: #b2bec3;
  --color-white: #ffffff;
  --color-border: rgba(108, 92, 231, 0.1);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, rgba(108, 92, 231, 0.88) 0%, rgba(253, 121, 168, 0.85) 50%, rgba(253, 203, 110, 0.8) 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9ff 100%);
  --gradient-accent: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 50%, #fd79a8 100%);
  --gradient-text: linear-gradient(135deg, #6c5ce7 0%, #fd79a8 100%);
  --gradient-warm: linear-gradient(135deg, #fd79a8 0%, #fdcb6e 100%);
  --gradient-cool: linear-gradient(135deg, #74b9ff 0%, #55efc4 100%);

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3.5rem;
  --font-size-hero: clamp(2.5rem, 6vw, 4.5rem);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --spacing-section: clamp(4rem, 8vw, 8rem);

  /* Border Radius */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(108, 92, 231, 0.08);
  --shadow-md: 0 4px 20px rgba(108, 92, 231, 0.12);
  --shadow-lg: 0 8px 32px rgba(108, 92, 231, 0.15);
  --shadow-xl: 0 16px 48px rgba(108, 92, 231, 0.18);
  --shadow-card: 0 4px 24px rgba(108, 92, 231, 0.1);
  --shadow-card-hover: 0 12px 40px rgba(108, 92, 231, 0.2);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===== 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);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-particles .particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  animation: float-particle linear infinite;
}

.bg-particles .particle:nth-child(odd) {
  background: var(--color-primary-light);
}
.bg-particles .particle:nth-child(even) {
  background: var(--color-accent);
}
.bg-particles .particle:nth-child(3n) {
  background: var(--color-orange);
  border-radius: 4px;
  transform: rotate(45deg);
}

@keyframes float-particle {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% { opacity: 0.1; }
  90% { opacity: 0.1; }
  100% {
    transform: translateY(-10vh) rotate(720deg);
    opacity: 0;
  }
}

/* ===== UTILITY CLASSES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-lg) 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-xl);
  z-index: 1001;
}

.navbar:not(.scrolled) .nav-logo {
  color: var(--color-white);
}

.navbar.scrolled .nav-logo {
  color: var(--color-text);
}

.logo-img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  object-fit: cover;
  transition: transform var(--transition-spring);
  box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
}

.nav-logo:hover .logo-img {
  transform: rotate(-5deg) scale(1.1);
}

.logo-img-footer {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

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

.nav-links a {
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.5px;
  position: relative;
  padding: var(--spacing-xs) 0;
}

.navbar:not(.scrolled) .nav-links a {
  color: rgba(255, 255, 255, 0.8);
}
.navbar.scrolled .nav-links a {
  color: var(--color-text-secondary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar:not(.scrolled) .nav-links a:hover,
.navbar:not(.scrolled) .nav-links a.active {
  color: var(--color-white);
}
.navbar.scrolled .nav-links a:hover,
.navbar.scrolled .nav-links a.active {
  color: var(--color-primary);
}

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

/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  border-radius: var(--radius-full);
  padding: 4px;
}

.navbar:not(.scrolled) .lang-switcher {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.navbar.scrolled .lang-switcher {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
}

.lang-btn {
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.navbar:not(.scrolled) .lang-btn {
  color: rgba(255, 255, 255, 0.7);
}
.navbar.scrolled .lang-btn {
  color: var(--color-text-secondary);
}

.lang-btn:hover {
  color: var(--color-primary) !important;
}

.lang-btn.active {
  background: var(--gradient-accent);
  color: white !important;
  box-shadow: 0 2px 10px rgba(108, 92, 231, 0.3);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 8px;
  border: none;
  background: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform-origin: center;
}

.navbar:not(.scrolled) .hamburger span {
  background: var(--color-white);
}
.navbar.scrolled .hamburger span {
  background: var(--color-text);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(5px) translateX(5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-5px) translateX(5px);
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-hero);
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: var(--spacing-4xl) 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 20px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: white;
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 0.8s ease-out;
  backdrop-filter: blur(10px);
}

.hero-badge .badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-orange);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: var(--font-size-hero);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  max-width: 750px;
  animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero h1 .highlight {
  position: relative;
  display: inline-block;
  background: linear-gradient(135deg, #fdcb6e 0%, #ffffff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.9);
  max-width: 520px;
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--font-size-base);
  padding: 14px 32px;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: white;
  color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border: 2px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: white;
  transform: translateY(-3px);
}

.btn .btn-arrow {
  transition: transform var(--transition-fast);
  font-size: 1.2em;
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-3xl);
  margin-top: var(--spacing-3xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-number .accent {
  color: var(--color-orange);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.5px;
}

/* ===== COURSES SECTION ===== */
.courses {
  padding: var(--spacing-section) 0;
  position: relative;
  background: var(--color-bg);
}

.courses-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.courses-header .section-description {
  margin: 0 auto;
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--spacing-xl);
}

.course-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  position: relative;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(40px);
}

.course-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.course-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-card-hover);
}

.course-card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

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

.course-card:hover .course-card-image img {
  transform: scale(1.08);
}

.course-card-image .course-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--gradient-accent);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.course-card-body {
  padding: var(--spacing-xl);
}

.course-card-body h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.course-card-body p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.course-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
}

.course-meta-item .icon {
  font-size: var(--font-size-sm);
}

/* ===== INSTRUCTORS SECTION ===== */
.instructors {
  padding: var(--spacing-section) 0;
  background: var(--color-bg-section);
  position: relative;
}

.instructors::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.instructors-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.instructors-header .section-description {
  margin: 0 auto;
}

.instructors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.instructor-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateY(40px);
}

.instructor-card.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.instructor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.instructor-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

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

.instructor-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: white;
  position: relative;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.instructor-avatar.avatar-1 {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
}
.instructor-avatar.avatar-2 {
  background: linear-gradient(135deg, #fd79a8, #fab1d0);
}
.instructor-avatar.avatar-3 {
  background: linear-gradient(135deg, #00b894, #55efc4);
}

.instructor-avatar::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 3px solid transparent;
  background: var(--gradient-accent) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.instructor-card:hover .instructor-avatar::after {
  opacity: 1;
}

.instructor-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
}

.instructor-role {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.instructor-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.instructor-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.instructor-stat {
  text-align: center;
}

.instructor-stat-num {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
}

.instructor-stat-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ===== GALLERY SECTION ===== */
.gallery {
  padding: var(--spacing-section) 0;
  position: relative;
  background: var(--color-bg);
}

.gallery-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.gallery-header .section-description {
  margin: 0 auto;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 250px);
  gap: var(--spacing-md);
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transform: scale(0.9);
  transition: all var(--transition-slow);
}

.gallery-item.animate-in {
  opacity: 1;
  transform: scale(1);
}

.gallery-item:nth-child(1) {
  grid-column: span 2;
  grid-row: span 2;
}

.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-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(108, 92, 231, 0.8) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: var(--spacing-xl);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-overlay span {
  font-size: var(--font-size-sm);
  color: white;
  font-weight: 600;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(20px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 85%;
  max-height: 85vh;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform var(--transition-slow);
}

.lightbox.active img {
  transform: scale(1);
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: white;
  font-size: var(--font-size-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: rotate(90deg);
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--spacing-section) 0;
  background: var(--color-bg-section);
  position: relative;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.contact-info {
  opacity: 0;
  transform: translateX(-30px);
}

.contact-info.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.contact-info h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.contact-info > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.contact-detail-item:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.contact-detail-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.contact-detail-text h4 {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 2px;
}

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

/* Contact Form */
.contact-form-wrapper {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-card);
  opacity: 0;
  transform: translateX(30px);
}

.contact-form-wrapper.animate-in {
  opacity: 1;
  transform: translateX(0);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: white;
  box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236c5ce7' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-group select option {
  background: white;
  color: var(--color-text);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: var(--font-size-base);
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
}

/* ===== FOOTER ===== */
.footer {
  background: #2d3436;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--spacing-xl);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-xl);
  color: white;
}

.footer-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.footer-links {
  display: flex;
  gap: var(--spacing-xl);
}

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

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

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  border-color: var(--color-primary-light);
  color: white;
  background: rgba(108, 92, 231, 0.3);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-stats { gap: var(--spacing-xl); }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(3, 200px);
  }
  .gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 1;
  }

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

  .footer-content {
    flex-direction: column;
    gap: var(--spacing-xl);
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: white;
    flex-direction: column;
    justify-content: center;
    padding: var(--spacing-3xl);
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-border);
    z-index: 1000;
    box-shadow: -8px 0 30px rgba(0,0,0,0.1);
  }

  .nav-links.active { right: 0; }

  .nav-links a {
    font-size: var(--font-size-xl);
    color: var(--color-text) !important;
  }
  .nav-links a:hover,
  .nav-links a.active {
    color: var(--color-primary) !important;
  }

  .nav-links .lang-switcher {
    background: var(--color-bg-section);
    border: 1px solid var(--color-border);
  }
  .nav-links .lang-btn {
    color: var(--color-text-secondary) !important;
  }
  .nav-links .lang-btn.active {
    color: white !important;
  }

  .hamburger { display: flex; }

  .hero h1 { font-size: clamp(2rem, 8vw, 3rem); }

  .hero-buttons { flex-direction: column; align-items: flex-start; }

  .hero-stats { flex-direction: column; gap: var(--spacing-lg); }

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

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

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  .gallery-item,
  .gallery-item:nth-child(1) {
    grid-column: span 1;
    grid-row: span 1;
    height: 250px;
  }

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

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--spacing-md); }
  .hero-badge { font-size: var(--font-size-xs); }
  .course-card-image { height: 180px; }
}

/* Mobile Nav Overlay */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}
.nav-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* Scroll to Top */
.scroll-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: var(--gradient-accent);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: var(--font-size-xl);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(108, 92, 231, 0.4);
}