/* =========================================
   Lumeow AI - Official Website Styles
   ========================================= */

/* CSS Variables */
:root {
  --primary: #7D52F4;
  --primary-hover: #7B45E8;
  --bg: #18181B;
  --card: #232329;
  --card-hover: #2A2A32;
  --accent: #B79CFF;
  --text: #E8E8EC;
  --text-secondary: #A7A7B3;
  --border: rgba(255, 255, 255, 0.08);
  --glow: rgba(125, 82, 244, 0.15);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 999px;
  --shadow-glow: 0 0 60px rgba(125, 82, 244, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.2);
  --transition: all 0.3s ease;
}/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}html {
  scroll-behavior: smooth;
}body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", "Source Han Sans CN",
    sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse 1200px 600px at 20% -10%, rgba(125, 82, 244, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 1000px 500px at 85% 15%, rgba(183, 156, 255, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 1400px 700px at 50% 110%, rgba(125, 82, 244, 0.08) 0%, transparent 55%);
  background-attachment: fixed;
  background-repeat: no-repeat;
}/* Do not create stacking context on body */
body::before,
body::after {
  display: none;
}img {
  max-width: 100%;
  height: auto;
  display: block;
}a {
  color: inherit;
  text-decoration: none;
}button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}ul, ol {
  list-style: none;
}/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}.section {
  padding: 100px 0;
  position: relative;
}.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(125, 82, 244, 0.12);
  border: 1px solid rgba(125, 82, 244, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 20px;
}.section-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text);
}.section-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}.header.scrolled {
  background: rgba(24, 24, 27, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--border);
}.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}.logo-img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: contain;
}.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}.nav-link {
  font-size: 15px;
  color: var(--text-secondary);
  transition: var(--transition);
  font-weight: 500;
}.nav-link:hover,
.nav-link.active {
  color: var(--text);
}.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
}.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(125, 82, 244, 0.3);
}.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(125, 82, 244, 0.4);
}.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
}.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(183, 156, 255, 0.3);
}.btn-outline:hover {
  background: rgba(183, 156, 255, 0.1);
}.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 100px;
  position: relative;
  overflow: hidden;
}.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}.hero-content {
  position: relative;
  z-index: 2;
}.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(125, 82, 244, 0.12);
  border: 1px solid rgba(125, 82, 244, 0.2);
  border-radius: var(--radius-full);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 24px;
}.hero-title {
  font-size: 58px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #E8E8EC 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 540px;
}.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(125, 82, 244, 0.35) 0%, transparent 65%);
  border-radius: 50%;
  filter: blur(40px);
  z-index: -1;
}.phone-mockup {
  width: 300px;
  height: 600px;
  background: linear-gradient(180deg, #2A2A32 0%, #1E1E24 100%);
  border-radius: 40px;
  border: 8px solid #2E2E36;
  box-shadow: var(--shadow-glow), 0 30px 80px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}.phone-mockup::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 24px;
  background: #18181B;
  border-radius: 12px;
}.phone-screen {
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(125, 82, 244, 0.2) 0%, transparent 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}.phone-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 32px;
}/* Particles */
.particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: rgba(183, 156, 255, 0.6);
  border-radius: 50%;
  animation: float var(--duration, 15s) infinite ease-in-out;
  opacity: var(--opacity, 0.5);
}@keyframes float {
0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: var(--opacity, 0.5);
  }50% {
    transform: translateY(-100vh) translateX(20px);
    opacity: 0.2;
  }
}/* About */
.about-content {
  max-width: 840px;
  margin: 0 auto;
  text-align: center;
}.about-text {
  font-size: 20px;
  line-height: 1.9;
  color: var(--text-secondary);
}.about-text strong {
  color: var(--text);
  font-weight: 600;
}/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}.feature-card:hover {
  background: var(--card-hover);
  transform: translateY(-6px);
  border-color: rgba(125, 82, 244, 0.25);
  box-shadow: var(--shadow-glow);
}.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(125, 82, 244, 0.12);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 20px;
}.feature-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* Story World Grid */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}.story-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  overflow: hidden;
  transition: var(--transition);
}.story-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}.story-card:hover {
  background: var(--card-hover);
  transform: translateY(-4px);
  border-color: rgba(125, 82, 244, 0.25);
}.story-card:hover::before {
  opacity: 1;
}.story-icon {
  font-size: 40px;
  color: var(--accent);
  margin-bottom: 20px;
}.story-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 10px;
}.story-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* Character Cards */
.character-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}.character-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}.character-card:hover {
  transform: translateY(-6px);
  border-color: rgba(125, 82, 244, 0.4);
  box-shadow: 0 0 40px rgba(125, 82, 244, 0.18);
}.character-img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  background: var(--bg);
}.character-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}.character-tag {
  align-self: flex-start;
  font-size: 12px;
  color: var(--accent);
  background: rgba(183, 156, 255, 0.12);
  border: 1px solid rgba(183, 156, 255, 0.2);
  border-radius: 999px;
  padding: 4px 12px;
}.character-name {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}.character-intro {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* Timeline */
.timeline {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), transparent);
  transform: translateX(-50%);
}.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  position: relative;
  margin-bottom: 48px;
}.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}.timeline-item:last-child {
  margin-bottom: 0;
}.timeline-dot {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--primary);
}.timeline-content {
  max-width: 340px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 0 24px;
}.timeline-step {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(125, 82, 244, 0.12);
  color: var(--accent);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 12px;
}.timeline-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}.timeline-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* Why Choose */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}.why-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}.why-card:hover {
  background: var(--card-hover);
  border-color: rgba(125, 82, 244, 0.25);
}.why-icon {
  width: 52px;
  height: 52px;
  background: rgba(125, 82, 244, 0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  margin: 0 auto 16px;
}.why-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}.why-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}.faq-item:hover {
  border-color: rgba(125, 82, 244, 0.2);
}.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
}.faq-question:hover {
  color: var(--accent);
}.faq-question i {
  font-size: 20px;
  color: var(--accent);
  transition: transform 0.3s ease;
}.faq-item.active .faq-question i {
  transform: rotate(180deg);
}.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}.faq-item.active .faq-answer {
  max-height: 500px;
}.faq-answer-inner {
  padding: 0 24px 24px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}/* CTA Section */
.cta-section {
  padding: 80px 0;
}.cta-box {
  background: linear-gradient(135deg, rgba(125, 82, 244, 0.15), rgba(183, 156, 255, 0.08));
  border: 1px solid rgba(125, 82, 244, 0.2);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(125, 82, 244, 0.1) 0%, transparent 50%);
  pointer-events: none;
}.cta-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}.cta-desc {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
}.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
}/* Footer */
.footer {
  padding: 60px 0 24px;
  border-top: 1px solid var(--border);
}.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 40px;
}.footer-brand {
  max-width: 320px;
}.footer-brand .logo {
  margin-bottom: 16px;
}.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}.footer-links {
  display: flex;
  gap: 60px;
}.footer-column h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}.footer-column a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: var(--transition);
}.footer-column a:hover {
  color: var(--accent);
}.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
}/* Download Page */
.download-hero {
  padding: 140px 0 80px;
}.download-hero .container {
  text-align: center;
}.download-hero .section-title {
  font-size: 48px;
}.version-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 720px;
  margin: 0 auto 40px;
}.version-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}.version-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}.version-label {
  font-size: 13px;
  color: var(--text-secondary);
}.version-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}.download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 720px;
  margin: 0 auto 60px;
}.download-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  transition: var(--transition);
}.download-card:hover {
  background: var(--card-hover);
  border-color: rgba(125, 82, 244, 0.25);
}.download-card-icon {
  width: 64px;
  height: 64px;
  background: rgba(125, 82, 244, 0.12);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--accent);
  margin: 0 auto 20px;
}.download-card-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}.download-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}.tutorial-section,
.download-faq-section {
  max-width: 800px;
  margin: 0 auto 60px;
}.tutorial-list {
  counter-reset: tutorial;
}.tutorial-item {
  display: flex;
  gap: 20px;
  margin-bottom: 24px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}.tutorial-number {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}.tutorial-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}.tutorial-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}/* Content Pages (Privacy/Terms/404) */
.content-page {
  padding: 140px 0 80px;
}.content-header {
  text-align: center;
  margin-bottom: 48px;
}.content-body {
  max-width: 820px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
}.content-body h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--text);
}.content-body h2:first-child {
  margin-top: 0;
}.content-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}.content-body ul {
  margin-bottom: 16px;
  padding-left: 20px;
}.content-body ul li {
  list-style: disc;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 8px;
}.error-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}.error-code {
  font-size: 120px;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}.error-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
}.error-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}/* Scroll Animations */
.fade-up {
  opacity: 1;
}.js-enabled .fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}.js-enabled .fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    gap: 40px;
  }

  .hero-title {
    font-size: 48px;
  }

  .section-title {
    font-size: 36px;
  }

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

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

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

  .timeline-item,
  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 56px;
  }

  .timeline-dot {
    left: 20px;
    transform: translateX(-50%);
  }

  .timeline-content {
    margin: 0;
    max-width: 100%;
  }
}@media (max-width: 768px) {
.header {
    padding: 14px 0;
  }.nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: rgba(24, 24, 27, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 32px 32px;
    gap: 24px;
    transition: right 0.3s ease;
    border-left: 1px solid var(--border);
  }.nav.active {
    right: 0;
  }.nav-link {
    font-size: 18px;
  }.header-cta {
    display: none;
  }.mobile-menu-btn {
    display: flex;
  }.hero {
    padding: 120px 0 80px;
  }.hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }.hero-content {
    order: 1;
  }.hero-visual {
    order: 0;
    display: flex;
    margin-top: 36px;
  }.phone-mockup {
    width: 240px;
    height: 480px;
  }.hero-title {
    font-size: 36px;
  }.hero-desc {
    margin-left: auto;
    margin-right: auto;
  }.btn-group {
    justify-content: center;
  }.section {
    padding: 70px 0;
  }.section-title {
    font-size: 30px;
  }.section-desc {
    font-size: 16px;
  }.feature-grid,
  .story-grid,
  .character-grid,
  .why-grid {
    grid-template-columns: 1fr;
  }.cta-box {
    padding: 40px 24px;
  }.cta-title {
    font-size: 28px;
  }.cta-buttons .btn {
    flex: 1 1 0;
  }.footer-content {
    flex-direction: column;
    gap: 40px;
  }.footer-links {
    flex-direction: column;
    gap: 32px;
  }.footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }.download-grid,
  .version-grid {
    grid-template-columns: 1fr;
  }.download-hero .section-title {
    font-size: 34px;
  }.content-body {
    padding: 28px;
  }.error-code {
    font-size: 80px;
  }
}@media (max-width: 480px) {
.hero-title {
    font-size: 32px;
  }.phone-mockup {
    width: 210px;
    height: 420px;
  }.btn {
    padding: 12px 22px;
    font-size: 14px;
  }.section-title {
    font-size: 26px;
  }.feature-card,
  .story-card,
  .download-card,
  .version-card {
    padding: 24px;
  }
}