/* ============================================
   DigiSkills Nigeria — Styles
   Bold African Futurism meets Modern EdTech
   ============================================ */

/* --- CSS Variables --- */
:root {
  --color-primary-green: #1DB954;
  --color-primary-yellow: #F5C518;
  --color-dark-bg: #0A0E1A;
  --color-dark-surface: #111827;
  --color-dark-border: #1F2937;
  --color-text-primary: #F9FAFB;
  --color-text-muted: #9CA3AF;
  --color-accent-glow: rgba(29, 185, 84, 0.15);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  background: var(--color-dark-bg);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
}

/* --- Gradient Text --- */
.gradient-text {
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-green), #17a34a);
  color: #fff;
  box-shadow: 0 4px 20px rgba(29, 185, 84, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(29, 185, 84, 0.45);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary-green);
  border: 2px solid var(--color-primary-green);
}

.btn-secondary:hover {
  background: var(--color-accent-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-dark-border);
}

.btn-outline:hover {
  border-color: var(--color-primary-green);
  color: var(--color-primary-green);
}

.btn-paystack {
  background: linear-gradient(135deg, #00C3F7, #0099cc);
  color: #fff;
  padding: 16px 36px;
  font-size: 1.05rem;
  box-shadow: 0 4px 20px rgba(0, 195, 247, 0.3);
}

.btn-paystack:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 195, 247, 0.45);
}

/* --- Navigation --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-dark-border);
  transition: background 0.3s;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}

.logo-digi {
  color: var(--color-text-primary);
}

.logo-skills {
  color: var(--color-primary-green);
}

.logo-nigeria {
  color: var(--color-primary-yellow);
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary-green);
  transition: width 0.3s;
}

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

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--color-primary-green), #17a34a);
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.nav-cta:hover {
  box-shadow: 0 4px 20px rgba(29, 185, 84, 0.4);
  transform: translateY(-1px);
}

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

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* --- Mobile Drawer --- */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
}

.mobile-drawer.open {
  display: block;
}

.drawer-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  width: 280px;
  height: 100%;
  background: var(--color-dark-surface);
  padding: 80px 32px 32px;
  border-left: 1px solid var(--color-dark-border);
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-drawer.open .drawer-content {
  transform: translateX(0);
}

.drawer-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 2rem;
  cursor: pointer;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.drawer-link {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.3s;
}

.drawer-link:hover {
  color: var(--color-primary-green);
}

.drawer-cta {
  margin-top: 32px;
  text-align: center;
  width: 100%;
  justify-content: center;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(29, 185, 84, 0.08) 1px, transparent 0);
  background-size: 40px 40px;
  pointer-events: none;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 40px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image img {
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  animation: float 6s ease-in-out infinite;
  max-height: 480px;
  object-fit: cover;
}

.hero-image-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  background: radial-gradient(circle, rgba(29, 185, 84, 0.2), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Floating badges */
.floating-badges {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.badge {
  position: absolute;
  padding: 8px 16px;
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: rgba(29, 185, 84, 0.1);
  border: 1px solid rgba(29, 185, 84, 0.2);
  color: var(--color-primary-green);
  animation: badgeFloat 8s ease-in-out infinite;
  white-space: nowrap;
}

.badge-1 { top: 20%; left: 5%; animation-delay: 0s; }
.badge-2 { top: 35%; right: 8%; animation-delay: 1.5s; }
.badge-3 { bottom: 30%; left: 8%; animation-delay: 3s; }
.badge-4 { top: 15%; right: 15%; animation-delay: 4.5s; }
.badge-5 { bottom: 25%; right: 5%; animation-delay: 2s; }

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.6; }
  50% { transform: translateY(-20px) rotate(3deg); opacity: 1; }
}

/* --- Stats Bar --- */
.stats-bar {
  background: var(--color-dark-surface);
  border-top: 1px solid var(--color-dark-border);
  border-bottom: 1px solid var(--color-dark-border);
  padding: 32px 0;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-plus {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2vw, 2rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-yellow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  margin-top: 4px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Sections --- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-divider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: var(--color-dark-bg);
  clip-path: polygon(0 0, 100% 0, 100% 30%, 0 100%);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

.section-body {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* --- About Section --- */
.about {
  background: var(--color-dark-bg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.feature-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--color-primary-green), transparent);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s;
}

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

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(29, 185, 84, 0.1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--color-accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary-green);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Who can join */
.who-can-join {
  text-align: center;
}

.who-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.tags-scroll {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.tag {
  padding: 10px 20px;
  border-radius: 50px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  color: var(--color-primary-green);
  transition: all 0.3s;
}

.tag:hover {
  border-color: var(--color-primary-green);
  background: var(--color-accent-glow);
}

/* --- Courses Section --- */
.courses {
  background: var(--color-dark-surface);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 1px solid var(--color-dark-border);
  background: transparent;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.3s;
}

.filter-btn:hover,
.filter-btn.active {
  border-color: var(--color-primary-green);
  color: var(--color-primary-green);
  background: var(--color-accent-glow);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.course-card {
  background: var(--color-dark-bg);
  border: 1px solid var(--color-dark-border);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.4s;
  position: relative;
}

.course-card:hover {
  border-color: var(--color-primary-green);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(29, 185, 84, 0.12);
}

.course-card.hidden {
  display: none;
}

.course-duration {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: var(--color-accent-glow);
  color: var(--color-primary-green);
  font-size: 0.75rem;
  margin-bottom: 16px;
}

.course-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.course-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.course-more {
  background: none;
  border: none;
  color: var(--color-primary-green);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: color 0.3s;
}

.course-more:hover {
  color: var(--color-primary-yellow);
}

.course-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.course-details.open {
  max-height: 200px;
  padding-top: 16px;
}

.course-details p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  border-top: 1px solid var(--color-dark-border);
  padding-top: 16px;
}

.courses-cta {
  text-align: center;
}

.courses-cta p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
}

/* --- Team Section --- */
.team {
  background: var(--color-dark-bg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.team-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-green);
  box-shadow: 0 12px 40px rgba(29, 185, 84, 0.1);
}

.team-card--founder {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 0;
}

.team-img-wrapper {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
}

.team-card--founder .team-img-wrapper {
  aspect-ratio: auto;
  min-height: 350px;
}

.team-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.team-info {
  padding: 24px;
}

.team-card--founder .team-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px;
}

.team-badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-yellow));
  color: var(--color-dark-bg);
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 12px;
  width: fit-content;
}

.team-info h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.team-title {
  color: var(--color-primary-green);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.team-bio {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* --- Testimonials Section --- */
.testimonials {
  background: var(--color-dark-surface);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--color-dark-bg);
  border: 1px solid var(--color-dark-border);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s;
}

.testimonial-card:hover {
  border-color: var(--color-primary-yellow);
  transform: translateY(-4px);
}

.stars {
  color: var(--color-primary-yellow);
  font-size: 1.2rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-yellow));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-dark-bg);
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* --- Newsletter Section --- */
.newsletter {
  background: var(--color-dark-bg);
}

.newsletter-box {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: 24px;
  padding: 48px 40px;
}

.newsletter-box p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 50px;
  border: 1px solid var(--color-dark-border);
  background: var(--color-dark-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
}

.newsletter-form input:focus {
  border-color: var(--color-primary-green);
}

.newsletter-perks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.newsletter-perks li {
  font-size: 0.8rem;
  font-family: var(--font-mono);
  border-radius: 50px;
  border: 1px solid var(--color-dark-border);
  transition: all 0.3s;
  cursor: pointer;
}

.newsletter-perks li:hover {
  border-color: var(--color-primary-green);
  background: var(--color-accent-glow);
}

.newsletter-perks li a {
  display: block;
  padding: 6px 14px;
  color: var(--color-text-muted);
  transition: color 0.3s;
}

.newsletter-perks li:hover a {
  color: var(--color-primary-green);
}

/* --- Payment Section --- */
.payment {
  background: var(--color-dark-surface);
}

.payment-instructions {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.steps-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.step {
  text-align: center;
  max-width: 180px;
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-green), var(--color-primary-yellow));
  color: var(--color-dark-bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.step p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.step-line {
  width: 60px;
  height: 2px;
  background: var(--color-dark-border);
  flex-shrink: 0;
}

.payment-form-wrapper {
  max-width: 480px;
  margin: 0 auto 40px;
  background: var(--color-dark-bg);
  border: 1px solid var(--color-dark-border);
  border-radius: 20px;
  padding: 36px;
}

.payment-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.form-group input,
.form-group select {
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--color-dark-border);
  background: var(--color-dark-surface);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--color-primary-green);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239CA3AF' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

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

.payment-form .btn-paystack {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

.payment-confirm {
  text-align: center;
}

.payment-confirm > p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.confirm-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.payment-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark-bg);
  border-top: 1px solid var(--color-dark-border);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-tagline {
  color: var(--color-text-muted);
  margin-top: 12px;
  font-size: 0.9rem;
}

.footer-links h4,
.footer-contact h4,
.footer-legal h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--color-text-primary);
}

.footer-links a,
.footer-contact a {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: color 0.3s;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-primary-green);
}

.link-btn {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 4px 0;
  display: block;
  transition: color 0.3s;
}

.link-btn:hover {
  color: var(--color-primary-green);
}

.footer-bottom {
  border-top: 1px solid var(--color-dark-border);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- Modals --- */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 3000;
  align-items: center;
  justify-content: center;
}

.modal.open {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
}

.modal-content {
  position: relative;
  background: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-radius: 20px;
  padding: 40px;
  max-width: 560px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  z-index: 1;
}

.modal-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.modal-content ul {
  list-style: disc;
  padding-left: 20px;
}

.modal-content li {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
  line-height: 1.6;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.8rem;
  cursor: pointer;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

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

  .hero-image img {
    max-height: 360px;
  }

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

  .team-card--founder .team-img-wrapper {
    max-height: 350px;
  }

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

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .section {
    padding: 72px 0;
  }

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

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

  .steps-visual {
    flex-direction: column;
  }

  .step-line {
    width: 2px;
    height: 32px;
  }

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

  .floating-badges {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-headline {
    font-size: 2rem;
  }

  .newsletter-box {
    padding: 32px 20px;
  }

  .modal-content {
    padding: 28px 20px;
  }
}