/* ============================================
   INTERFACE SOFTWARE ACADEMY — DESIGN SYSTEM
   Light Mode | Premium | Professional
   ============================================ */

/* ---- Google Fonts ---- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* ---- CSS Custom Properties ---- */
:root {
  /* Colors */
  --primary: #6C63FF;
  --primary-light: #8B83FF;
  --primary-dark: #5A52E0;
  --primary-glow: rgba(108, 99, 255, 0.15);
  --secondary: #00D4AA;
  --secondary-light: #33DDBB;
  --accent: #FF6B6B;
  --accent-light: #FF8A8A;

  /* Neutrals */
  --white: #FFFFFF;
  --gray-50: #F8F9FC;
  --gray-100: #F1F3F8;
  --gray-200: #E2E6EF;
  --gray-300: #C9CFD8;
  --gray-400: #9AA0B0;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #0F172A;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(108, 99, 255, 0.2);

  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.8);
  --glass-blur: 20px;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;

  /* 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);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  background-color: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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(--gray-900);
}

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

/* ---- Section ---- */
.section {
  padding: var(--space-4xl) 0;
}

.section--gray {
  background-color: var(--gray-50);
}

.section--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-3xl);
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--primary-glow);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}


/* ============================================
   UNIVERSAL BUTTON
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.4);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px rgba(108, 99, 255, 0.3);
}

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

.btn--outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.3);
}

.btn--white {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn--large {
  padding: 16px 40px;
  font-size: 1.05rem;
}

.btn--small {
  padding: 10px 22px;
  font-size: 0.85rem;
}

.btn--full {
  width: 100%;
}

.btn--icon svg {
  width: 18px;
  height: 18px;
}


/* ============================================
   NAVIGATION BAR
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

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

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.navbar__logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 900;
  border-radius: var(--radius-sm);
}

.navbar__logo span {
  color: var(--primary);
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.navbar__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--gray-600);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
  color: var(--primary);
}

.navbar__link:hover::after,
.navbar__link.active::after {
  width: 100%;
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.navbar__login {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gray-700);
  padding: 8px 16px;
  transition: color var(--transition-fast);
}

.navbar__login:hover {
  color: var(--primary);
}

.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.navbar__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}


/* ============================================
   GLASS CARD
   ============================================ */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

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


/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(160deg, var(--gray-50) 0%, var(--white) 30%, #EDE9FF 60%, #F0F8FF 100%);
  padding-top: var(--nav-height);
}

.hero__bg-shapes {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__bg-shapes .shape {
  position: absolute;
  border-radius: var(--radius-full);
  opacity: 0.08;
}

.hero__bg-shapes .shape--1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -100px;
  right: -100px;
  animation: floatShape 20s ease-in-out infinite;
}

.hero__bg-shapes .shape--2 {
  width: 300px;
  height: 300px;
  background: var(--secondary);
  bottom: -50px;
  left: -50px;
  animation: floatShape 15s ease-in-out infinite reverse;
}

.hero__bg-shapes .shape--3 {
  width: 200px;
  height: 200px;
  background: var(--accent);
  top: 50%;
  left: 50%;
  animation: floatShape 18s ease-in-out infinite 2s;
}

@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -30px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 15px) scale(1.02); }
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: var(--space-3xl) var(--space-xl);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-sm);
  animation: fadeInDown 0.8s ease-out;
}

.hero__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: var(--radius-full);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.3); }
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__title-highlight {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--gray-500);
  max-width: 580px;
  margin: 0 auto var(--space-2xl);
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero__floating-code {
  position: absolute;
  right: 5%;
  top: 30%;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--gray-600);
  box-shadow: var(--shadow-lg);
  animation: floatCode 6s ease-in-out infinite;
  opacity: 0.6;
  z-index: 1;
  display: none;
}

@media (min-width: 1200px) {
  .hero__floating-code {
    display: block;
  }
}

@keyframes floatCode {
  0%, 100% { transform: translateY(0) rotate(2deg); }
  50% { transform: translateY(-20px) rotate(-1deg); }
}

.hero__floating-code .code-keyword { color: var(--primary); font-weight: 600; }
.hero__floating-code .code-string { color: var(--secondary); }
.hero__floating-code .code-comment { color: var(--gray-400); }


/* ============================================
   STATS SECTION
   ============================================ */
.stats {
  position: relative;
  margin-top: -60px;
  z-index: 10;
  padding-bottom: var(--space-3xl);
}

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

.stat-card {
  text-align: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-light);
}

.stat-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--primary-glow);
  color: var(--primary);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  font-size: 0.9rem;
  color: var(--gray-500);
  font-weight: 500;
}


/* ============================================
   WHY CHOOSE US
   ============================================ */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.feature-card {
  text-align: center;
  padding: var(--space-2xl);
}

.feature-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--primary-glow), rgba(0, 212, 170, 0.08));
  border-radius: var(--radius-lg);
  font-size: 2rem;
  margin-bottom: var(--space-lg);
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-card__icon {
  transform: scale(1.1) rotate(5deg);
}

.feature-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.7;
}


/* ============================================
   COURSE CARDS (Flex — dynamic)
   ============================================ */
.courses__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
}

.course-card {
  position: relative;
  flex: 1 1 280px;
  max-width: 320px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

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

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

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

.course-card--featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

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

.course-card__ribbon {
  position: absolute;
  top: 16px;
  right: -30px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 36px;
  transform: rotate(45deg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.course-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.course-card__icon--core { background: #EDE9FF; }
.course-card__icon--advanced { background: #E0F7F1; }
.course-card__icon--ai { background: #FFF0E0; }
.course-card__icon--fullstack { background: #E8F4FF; }

.course-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.course-card__tagline {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: var(--space-lg);
}

.course-card__price {
  margin-bottom: var(--space-lg);
}

.course-card__price-amount {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-900);
}

.course-card__price-original {
  font-size: 0.9rem;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-left: var(--space-sm);
}

.course-card__price-period {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 2px;
}

.course-card__features {
  margin-bottom: var(--space-xl);
}

.course-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  font-size: 0.9rem;
  color: var(--gray-600);
}

.course-card__feature-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  margin-top: 2px;
}


/* ============================================
   FOUNDER / ABOUT
   ============================================ */
.founder {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.founder__image-wrap {
  position: relative;
}

.founder__image {
  width: 100%;
  max-width: 400px;
  height: 440px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--primary-glow), rgba(0, 212, 170, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid var(--gray-200);
  margin: 0 auto;
}

.founder__image-placeholder {
  font-size: 5rem;
  opacity: 0.3;
}

.founder__image-frame {
  position: absolute;
  width: 100%;
  max-width: 400px;
  height: 440px;
  border: 2px solid var(--primary);
  border-radius: var(--radius-xl);
  top: 16px;
  left: 16px;
  opacity: 0.3;
  z-index: -1;
}

.founder__name {
  font-size: 1.8rem;
  margin-bottom: var(--space-xs);
}

.founder__role {
  font-size: 1rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.founder__bio {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
}

.founder__quote {
  background: var(--gray-50);
  border-left: 4px solid var(--primary);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--gray-600);
  line-height: 1.7;
}


/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.testimonial-card {
  padding: var(--space-2xl);
}

.testimonial-card__stars {
  color: #FBBF24;
  font-size: 1rem;
  margin-bottom: var(--space-md);
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-glow), rgba(0,212,170,0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
  font-size: 1.1rem;
}

.testimonial-card__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.testimonial-card__course {
  font-size: 0.8rem;
  color: var(--gray-400);
}


/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: linear-gradient(135deg, var(--primary), #4F46E5, var(--primary-dark));
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius-full);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-full);
}

.cta-banner__title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  color: var(--white);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 2;
}

.cta-banner__subtitle {
  font-size: 1.05rem;
  opacity: 0.85;
  margin-bottom: var(--space-xl);
  position: relative;
  z-index: 2;
}

.cta-banner .btn {
  position: relative;
  z-index: 2;
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  margin-top: var(--space-md);
  color: var(--gray-400);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.footer__link {
  display: block;
  font-size: 0.9rem;
  color: var(--gray-400);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--primary-light);
}

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.footer__contact-icon {
  flex-shrink: 0;
  margin-top: 3px;
  font-size: 1rem;
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.85rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--white);
}

.footer__logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 900;
  border-radius: var(--radius-sm);
}


/* ============================================
   PAGE HERO (About / Courses)
   ============================================ */
.page-hero {
  padding: calc(var(--nav-height) + var(--space-3xl)) 0 var(--space-3xl);
  background: linear-gradient(160deg, var(--gray-50), var(--white), #EDE9FF);
  text-align: center;
}

.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--gray-400);
  margin-bottom: var(--space-lg);
}

.page-hero__breadcrumb a {
  color: var(--primary);
}

.page-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.page-hero__subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}


/* ============================================
   TIMELINE (About Page)
   ============================================ */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: var(--gray-200);
  transform: translateX(-50%);
}

.timeline__item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 30px);
  padding-bottom: var(--space-2xl);
  position: relative;
}

.timeline__item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 30px);
}

.timeline__dot {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: 3px solid var(--white);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--primary-glow);
  z-index: 2;
}

.timeline__content {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.timeline__year {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.timeline__desc {
  font-size: 0.9rem;
  color: var(--gray-500);
}


/* ============================================
   MISSION & VISION
   ============================================ */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.mv-card {
  padding: var(--space-2xl);
  border-top: 4px solid transparent;
}

.mv-card--mission {
  border-top-color: var(--primary);
}

.mv-card--vision {
  border-top-color: var(--secondary);
}

.mv-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.mv-card__title {
  font-size: 1.3rem;
  margin-bottom: var(--space-md);
}

.mv-card__text {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.8;
}


/* ============================================
   SERVICES GRID (About)
   ============================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

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

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.service-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--gray-500);
}


/* ============================================
   CONTACT INFO CARD
   ============================================ */
.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.contact-card {
  text-align: center;
  padding: var(--space-2xl);
}

.contact-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--primary-glow);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.contact-card__label {
  font-size: 0.85rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.contact-card__value {
  font-size: 1rem;
  color: var(--gray-700);
  font-weight: 500;
}


/* ============================================
   PRICING TOGGLE (Courses)
   ============================================ */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.pricing-toggle__label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-500);
}

.pricing-toggle__label.active {
  color: var(--gray-900);
  font-weight: 600;
}

.pricing-toggle__switch {
  width: 52px;
  height: 28px;
  background: var(--gray-300);
  border-radius: 14px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition-base);
}

.pricing-toggle__switch.active {
  background: var(--primary);
}

.pricing-toggle__switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: var(--white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.pricing-toggle__switch.active::after {
  transform: translateX(24px);
}

.pricing-toggle__badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--secondary);
  background: rgba(0, 212, 170, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-xl);
}


/* ============================================
   WHAT'S INCLUDED (Courses)
   ============================================ */
.included__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-xl);
}

.included-item {
  text-align: center;
  padding: var(--space-lg);
}

.included-item__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.included-item__text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
}


/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.active {
  border-color: var(--primary-light);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-item.active .faq-item__question {
  color: var(--primary);
}

.faq-item__icon {
  font-size: 1.2rem;
  color: var(--gray-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.active .faq-item__icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.8;
}


/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal--left {
  transform: translateX(-30px);
}

.reveal--left.revealed {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(30px);
}

.reveal--right.revealed {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.95);
}

.reveal--scale.revealed {
  transform: scale(1);
}

/* Staggered delay */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Keyframe animations */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .founder {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .founder__image-frame {
    display: none;
  }

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

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

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

  .timeline::before {
    left: 20px;
  }

  .timeline__item {
    padding-right: 0;
    padding-left: 50px;
  }

  .timeline__item:nth-child(even) {
    padding-left: 50px;
  }

  .timeline__dot {
    left: 20px;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--white);
    padding: calc(var(--nav-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    box-shadow: -5px 0 30px rgba(0,0,0,0.1);
    transition: right var(--transition-base);
    align-items: flex-start;
    gap: var(--space-md);
    z-index: 999;
  }

  .navbar__links.open {
    right: 0;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__actions {
    display: none;
  }

  .navbar__links .navbar__actions-mobile {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: var(--space-md);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-200);
  }

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

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

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

  .course-card {
    max-width: 100%;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .container {
    padding: 0 var(--space-lg);
  }
}

@media (max-width: 480px) {
  .stats__grid {
    grid-template-columns: 1fr;
  }

  .hero__cta {
    flex-direction: column;
  }

  .hero__cta .btn {
    width: 100%;
  }

  .stat-card {
    padding: var(--space-lg);
  }

  .stat-card__number {
    font-size: 2rem;
  }
}


/* ============================================
   FAQ ACCORDION
   ============================================ */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.active {
  border-color: var(--primary-light);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-800);
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-item.active .faq-item__question {
  color: var(--primary);
}

.faq-item__icon {
  font-size: 1.2rem;
  color: var(--gray-400);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

.faq-item.active .faq-item__icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer-inner {
  padding: 0 var(--space-xl) var(--space-lg);
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.8;
}


/* ============================================
   OVERLAY (Mobile Menu)
   ============================================ */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}


/* ============================================
   COURSES PAGE — PLAN CARDS
   ============================================ */
.section-eyebrow {
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.5px;
  margin-bottom: var(--space-md);
}

.courses-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl) var(--space-4xl);
}

/* ---- Billing Toggle ---- */
.plan-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.toggle-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-400);
  transition: color var(--transition-fast);
  cursor: default;
}

.toggle-label.active {
  color: var(--gray-900);
  font-weight: 700;
}

.toggle-wrap {
  width: 52px;
  height: 28px;
  background: var(--gray-300);
  border-radius: 14px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition-base);
}

.toggle-wrap.active {
  background: var(--primary);
}

.toggle-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: var(--white);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}

.toggle-wrap.active .toggle-knob {
  transform: translateX(24px);
}

.save-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--secondary);
  background: rgba(0, 212, 170, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-xl);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---- Plans Grid ---- */
.plans-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xl);
  align-items: stretch;
}

/* ---- Plan Card ---- */
.plan-card {
  position: relative;
  flex: 1 1 300px;
  max-width: 380px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.plan-card.featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.04);
  z-index: 2;
}

.plan-card.featured:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: 0 20px 60px rgba(108, 99, 255, 0.2);
}

.plan-badge-top {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: var(--radius-xl);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

.plan-name {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

.plan-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: var(--space-lg);
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: var(--space-md);
}

.price-currency {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.price-num {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--gray-900);
  line-height: 1;
  transition: all var(--transition-base);
}

.price-period {
  font-size: 0.9rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-left: 4px;
}

.plan-desc {
  font-size: 0.9rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.plan-divider {
  height: 1px;
  background: var(--gray-200);
  margin-bottom: var(--space-lg);
}

/* ---- Plan Features ---- */
.plan-features {
  list-style: none;
  margin-bottom: var(--space-xl);
  flex-grow: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.5;
}

.feat-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: 700;
  margin-top: 2px;
}

.feat-icon.feat-x {
  background: var(--gray-200);
  color: var(--gray-400);
}

.feat-disabled {
  color: var(--gray-400);
}

/* ---- Plan Buttons ---- */
.plan-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.plan-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.plan-btn:hover::before {
  left: 100%;
}

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

.plan-btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.3);
}

.plan-btn-fill {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.plan-btn-fill:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 99, 255, 0.4);
}

.plan-btn-gold {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.plan-btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
}


/* ============================================
   COURSES PAGE — MODULE TABS & CURRICULUM
   ============================================ */
.modules-section {
  margin-top: var(--space-4xl);
  text-align: center;
}

.modules-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: var(--space-xl);
  color: var(--gray-900);
}

.module-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}

.mod-tab {
  padding: 10px 24px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-500);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
}

.mod-tab:hover {
  color: var(--primary);
  border-color: var(--primary-light);
}

.mod-tab.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(108, 99, 255, 0.25);
}

/* Module Content Panels */
.module-content {
  display: none;
  animation: fadeInUp 0.4s ease-out;
}

.module-content.active {
  display: block;
}

.module-list {
  max-width: 700px;
  margin: 0 auto;
  text-align: left;
}

.module-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  transition: all var(--transition-base);
}

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

.mod-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--gray-400);
  min-width: 28px;
}

.mod-title {
  flex-grow: 1;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
}

.mod-tag {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: var(--radius-xl);
  background: var(--gray-100);
  color: var(--gray-500);
  white-space: nowrap;
}

.mod-tag.mod-free {
  background: rgba(0, 212, 170, 0.1);
  color: var(--secondary);
}

.mod-tag.mod-project {
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary);
}

.mod-tag.mod-spring {
  background: rgba(0, 212, 170, 0.1);
  color: #059669;
}

.mod-tag.mod-ai {
  background: rgba(245, 158, 11, 0.1);
  color: #D97706;
}


/* ============================================
   COURSES PAGE — FAQ SECTION
   ============================================ */
.faq-section {
  margin-top: var(--space-4xl);
  text-align: center;
}

.faq-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: var(--space-xl);
  color: var(--gray-900);
}

.faq-section .faq-list {
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}


/* ============================================
   RESPONSIVE — COURSES PAGE
   ============================================ */
@media (max-width: 1024px) {
  .plan-card.featured {
    transform: scale(1);
  }
  .plan-card.featured:hover {
    transform: translateY(-6px);
  }
}

@media (max-width: 768px) {
  .plans-grid {
    flex-direction: column;
    align-items: center;
  }

  .plan-card {
    max-width: 100%;
  }

  .module-tabs {
    gap: var(--space-xs);
  }

  .mod-tab {
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  .module-item {
    padding: 12px 14px;
    gap: var(--space-sm);
  }

  .courses-content {
    padding: 0 var(--space-lg) var(--space-3xl);
  }
}

@media (max-width: 480px) {
  .plan-toggle {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .price-num {
    font-size: 2.2rem;
  }
}