/* ============================================
   FRONT-END COURSE — Go Up Treinamentos
   Modern, Creative Landing Page
   Colors: Blue, White, Dark Gray
   ============================================ */

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

:root {
  /* Primary Blues */
  --blue-50: #e3f2fd;
  --blue-100: #bbdefb;
  --blue-400: #42a5f5;
  --blue-500: #1e88e5;
  --blue-600: #1565c0;
  --blue-700: #0d47a1;
  --blue-900: #0a1929;

  /* Darks */
  --dark-1: #080c14;
  --dark-2: #0c1220;
  --dark-3: #111827;
  --dark-4: #1a2332;
  --dark-card: #0f172a;

  /* Text */
  --text-white: #f8fafc;
  --text-light: #cbd5e1;
  --text-muted: #64748b;

  /* Accents */
  --accent-cyan: #22d3ee;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  --accent-pink: #f472b6;
  --accent-purple: #a78bfa;

  /* Borders */
  --border-color: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(30, 136, 229, 0.3);

  /* Gradients */
  --gradient-blue: linear-gradient(135deg, #1e88e5, #0d47a1);
  --gradient-hero: linear-gradient(135deg, #1e88e5 0%, #22d3ee 50%, #34d399 100%);
  --gradient-card: linear-gradient(135deg, rgba(30, 136, 229, 0.1), rgba(34, 211, 238, 0.05));

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--dark-1);
  color: var(--text-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.ambient-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse 600px 600px at 20% 20%, rgba(30, 136, 229, 0.08), transparent),
    radial-gradient(ellipse 500px 500px at 80% 60%, rgba(34, 211, 238, 0.05), transparent),
    radial-gradient(ellipse 400px 400px at 50% 80%, rgba(99, 102, 241, 0.04), transparent);
  animation: ambientDrift 20s ease-in-out infinite alternate;
}

@keyframes ambientDrift {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-30px, -20px) rotate(2deg); }
}

/* Grid overlay */
.grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(30, 136, 229, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 136, 229, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(8, 12, 20, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  transition: background 0.3s;
}

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

.logo img {
  height: 38px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s;
  letter-spacing: 0.02em;
}

.main-nav a:hover {
  color: var(--blue-400);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 22px;
  cursor: pointer;
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--dark-2);
  border-left: 1px solid var(--border-color);
  padding: 32px 24px;
  transition: right 0.3s ease;
  z-index: 2000;
}

.mobile-menu.active {
  right: 0;
}

.close-menu {
  background: none;
  border: none;
  color: var(--text-white);
  font-size: 24px;
  cursor: pointer;
  margin-bottom: 32px;
}

.mobile-menu ul {
  list-style: none;
}

.mobile-menu li {
  margin-bottom: 20px;
}

.mobile-menu a {
  color: var(--text-light);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 4px 20px rgba(30, 136, 229, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(30, 136, 229, 0.5);
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
  border-color: var(--blue-400);
  color: var(--blue-400);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 15px;
  border-radius: 12px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(30, 136, 229, 0.1);
  border: 1px solid rgba(30, 136, 229, 0.2);
  border-radius: 50px;
  font-size: 13px;
  color: var(--blue-400);
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-badge i {
  font-size: 10px;
}

.hero-title {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
  color: var(--text-white);
}

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

.hero-description {
  font-size: 17px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.hero-tag i {
  color: var(--blue-400);
  font-size: 12px;
}

/* Code Editor Visual */
.code-editor {
  position: relative;
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 80px rgba(30, 136, 229, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.4);
}

.code-editor::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: 16px;
  padding: 1px;
  background: linear-gradient(135deg, rgba(30, 136, 229, 0.3), transparent, rgba(34, 211, 238, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.editor-topbar {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-color);
}

.editor-dots {
  display: flex;
  gap: 8px;
}

.editor-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.editor-dots span:nth-child(1) { background: #ff5f57; }
.editor-dots span:nth-child(2) { background: #febc2e; }
.editor-dots span:nth-child(3) { background: #28c840; }

.editor-tabs {
  display: flex;
  margin-left: 20px;
  gap: 2px;
}

.editor-tab {
  padding: 6px 16px;
  font-size: 12px;
  color: var(--text-muted);
  border-radius: 6px 6px 0 0;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.editor-tab.active {
  color: var(--text-white);
  background: rgba(30, 136, 229, 0.15);
}

.editor-body {
  padding: 24px;
  min-height: 320px;
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 13.5px;
  line-height: 1.8;
  overflow: hidden;
}

.code-line {
  display: flex;
  gap: 16px;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s, transform 0.3s;
}

.code-line.visible {
  opacity: 1;
  transform: translateX(0);
}

.line-number {
  color: var(--text-muted);
  user-select: none;
  min-width: 24px;
  text-align: right;
  font-size: 12px;
  opacity: 0.5;
}

.line-content {
  flex: 1;
  white-space: pre;
}

/* Syntax Highlighting */
.tag { color: #f472b6; }
.attr { color: #fbbf24; }
.value { color: #34d399; }
.comment { color: #64748b; font-style: italic; }
.punctuation { color: #94a3b8; }
.property { color: #22d3ee; }
.selector { color: #a78bfa; }
.string { color: #34d399; }

.cursor-blink {
  display: inline-block;
  width: 2px;
  height: 16px;
  background: var(--blue-400);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-bar {
  position: relative;
  z-index: 1;
  padding: 60px 0;
  background: var(--dark-2);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.stat-number {
  font-size: 42px;
  font-weight: 900;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
  line-height: 1;
}

.stat-label {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
}

.stat-sublabel {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-section {
  position: relative;
  z-index: 1;
  padding: var(--section-padding);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

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

.section-subtitle {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  color: var(--text-light);
  font-size: 16px;
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-text strong {
  color: var(--text-white);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-box {
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 24px;
  transition: all 0.3s;
}

.feature-box:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(30, 136, 229, 0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
  background: rgba(30, 136, 229, 0.1);
  color: var(--blue-400);
}

.feature-box h3 {
  font-size: 16px;
  margin-bottom: 6px;
  font-weight: 700;
}

.feature-box p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================
   MODULES SECTION
   ============================================ */
.modules-section {
  position: relative;
  z-index: 1;
  padding: var(--section-padding);
  background: var(--dark-2);
}

.modules-timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.modules-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--blue-500), var(--accent-cyan), var(--accent-emerald), var(--accent-amber));
  border-radius: 2px;
}

.module-card {
  position: relative;
  margin-bottom: 24px;
  padding-left: 72px;
}

.module-marker {
  position: absolute;
  left: 14px;
  top: 24px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: var(--dark-1);
  z-index: 2;
  box-shadow: 0 0 20px rgba(30, 136, 229, 0.3);
}

.module-card:nth-child(1) .module-marker { background: var(--blue-500); }
.module-card:nth-child(2) .module-marker { background: var(--accent-pink); }
.module-card:nth-child(3) .module-marker { background: var(--accent-amber); }
.module-card:nth-child(4) .module-marker { background: var(--accent-emerald); }
.module-card:nth-child(5) .module-marker { background: var(--accent-purple); }

.module-inner {
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  overflow: hidden;
  transition: all 0.3s;
}

.module-inner:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

.module-header {
  display: flex;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  gap: 16px;
  user-select: none;
}

.module-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

/* Module icon colors */
.module-card:nth-child(1) .module-icon {
  background: rgba(30, 136, 229, 0.12);
  color: var(--blue-400);
}

.module-card:nth-child(2) .module-icon {
  background: rgba(244, 114, 182, 0.12);
  color: var(--accent-pink);
}

.module-card:nth-child(3) .module-icon {
  background: rgba(251, 191, 36, 0.12);
  color: var(--accent-amber);
}

.module-card:nth-child(4) .module-icon {
  background: rgba(52, 211, 153, 0.12);
  color: var(--accent-emerald);
}

.module-card:nth-child(5) .module-icon {
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent-purple);
}

.module-info {
  flex: 1;
}

.module-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 4px;
}

.module-meta {
  display: flex;
  gap: 16px;
  align-items: center;
}

.module-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.module-count {
  font-size: 12px;
  color: var(--text-muted);
}

.module-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  transition: transform 0.3s;
  padding: 8px;
}

.module-card.active .module-toggle {
  transform: rotate(180deg);
}

.module-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.module-card.active .module-content {
  max-height: 1200px;
  transition: max-height 0.5s ease-in;
}

.module-lessons {
  list-style: none;
  padding: 0 24px 24px;
  border-top: 1px solid var(--border-color);
}

.module-lessons li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 14px;
  color: var(--text-light);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.module-lessons li:last-child {
  border-bottom: none;
}

.module-lessons li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.module-card:nth-child(1) .module-lessons li::before { background: var(--blue-400); }
.module-card:nth-child(2) .module-lessons li::before { background: var(--accent-pink); }
.module-card:nth-child(3) .module-lessons li::before { background: var(--accent-amber); }
.module-card:nth-child(4) .module-lessons li::before { background: var(--accent-emerald); }
.module-card:nth-child(5) .module-lessons li::before { background: var(--accent-purple); }

/* Bonus badge */
.bonus-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(244, 114, 182, 0.15));
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.coming-soon-text {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 14px;
  font-style: italic;
  border-top: 1px solid var(--border-color);
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing-section {
  position: relative;
  z-index: 1;
  padding: var(--section-padding);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  align-items: stretch;
}

.pricing-card {
  background: var(--dark-card);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.4s;
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.pricing-card.featured {
  border-color: var(--blue-500);
  background: linear-gradient(to bottom, rgba(30, 136, 229, 0.08), var(--dark-card));
  box-shadow: 0 0 60px rgba(30, 136, 229, 0.1);
  transform: scale(1.04);
}

.pricing-card.featured:hover {
  transform: scale(1.04) translateY(-6px);
}

.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: var(--gradient-blue);
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.pricing-name {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-schedule {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 44px;
  font-weight: 900;
  margin-bottom: 4px;
  line-height: 1;
}

.pricing-price .currency {
  font-size: 20px;
  font-weight: 600;
  vertical-align: top;
  line-height: 1.6;
}

.pricing-price .period {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
}

.pricing-detail {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.6;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-light);
}

.pricing-features li i {
  color: var(--accent-emerald);
  font-size: 14px;
  width: 18px;
  text-align: center;
}

.pricing-card .btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
  position: relative;
  z-index: 1;
  padding: var(--section-padding);
  background: var(--dark-2);
  text-align: center;
}

.cta-content {
  max-width: 680px;
  margin: 0 auto;
}

.cta-title {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.cta-description {
  font-size: 17px;
  color: var(--text-light);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cta-info {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-info-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
}

.cta-info-item i {
  color: var(--blue-400);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  position: relative;
  z-index: 1;
  background: var(--dark-1);
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  height: 40px;
  margin-bottom: 20px;
}

.footer-about p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
}

.footer-contact {
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 10px;
}

.contact-item i {
  color: var(--blue-400);
}

.footer-social-icons {
  display: flex;
  gap: 14px;
}

.footer-social-icons a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 16px;
  transition: all 0.3s;
}

.footer-social-icons a:hover {
  background: rgba(30, 136, 229, 0.15);
  color: var(--blue-400);
  border-color: var(--border-glow);
}

.footer-links h3,
.footer-location h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-white);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--blue-400);
}

.footer-location p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 14px;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: underline;
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-title {
    font-size: 46px;
  }

  .code-editor {
    max-width: 600px;
    margin: 0 auto;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    gap: 20px;
  }

  .pricing-card.featured {
    transform: none;
  }

  .pricing-card.featured:hover {
    transform: translateY(-6px);
  }

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

@media (max-width: 768px) {
  :root {
    --section-padding: 70px 0;
  }

  .main-nav {
    display: none;
  }

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

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-description {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .section-title {
    font-size: 30px;
  }

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

  .stat-number {
    font-size: 32px;
  }

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

  .modules-timeline::before {
    left: 18px;
  }

  .module-card {
    padding-left: 52px;
  }

  .module-marker {
    left: 4px;
    width: 26px;
    height: 26px;
    font-size: 11px;
  }

  .module-info h3 {
    font-size: 16px;
  }

  .editor-body {
    font-size: 11.5px;
    padding: 16px;
    min-height: 240px;
  }

  .editor-tabs {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .cta-title {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 30px;
    letter-spacing: -1px;
  }

  .section-title {
    font-size: 24px;
  }

  .stat-number {
    font-size: 28px;
  }

  .pricing-name {
    font-size: 20px;
  }

  .pricing-price {
    font-size: 36px;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 14px;
  }

  .module-header {
    padding: 16px;
  }

  .module-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
}