/* ============================================
   Play`R Website - Modern Dark Theme
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a24;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.08);

  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  --text-muted: rgba(255, 255, 255, 0.4);

  --accent: #ff1b5e;
  --accent-light: #ff4081;
  --accent-dark: #d6004c;
  --accent-glow: rgba(255, 27, 94, 0.4);

  --gradient-primary: linear-gradient(135deg, #ff1b5e 0%, #ff4081 50%, #ff80ab 100%);
  --gradient-bg: radial-gradient(ellipse at top, rgba(255, 27, 94, 0.15) 0%, transparent 60%);
  --gradient-card: linear-gradient(135deg, rgba(255, 27, 94, 0.1) 0%, rgba(255, 64, 129, 0.05) 100%);

  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 27, 94, 0.5);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(255, 27, 94, 0.3);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --container-padding: 24px;

  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue",
    "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--gradient-bg);
  pointer-events: none;
  z-index: 0;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

/* ============================================
   Container
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
  position: relative;
  z-index: 1;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 15, 0.7);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  box-shadow: 0 4px 12px var(--accent-glow);
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Language Switcher */
.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

.lang-btn:hover {
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.lang-btn svg {
  width: 16px;
  height: 16px;
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--transition);
}

.lang-switcher.active .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: 10px 14px;
  text-align: left;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.lang-option:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.lang-option.active {
  background: var(--gradient-card);
  color: var(--accent-light);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}

.menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 1.125rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: calc(var(--nav-height) + 80px) 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-text {
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--gradient-card);
  border: 1px solid rgba(255, 27, 94, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s 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, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-num {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* Hero Phone Showcase */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 600px;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 580px;
  background: linear-gradient(145deg, #1a1a24, #0a0a0f);
  border-radius: 44px;
  padding: 10px;
  box-shadow: var(--shadow-lg), 0 0 60px var(--accent-glow);
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 2;
  animation: float 6s ease-in-out infinite;
}

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

.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 34px;
  overflow: hidden;
  background: #000;
}

.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.phone-side {
  position: absolute;
  top: 50%;
  width: 220px;
  height: 460px;
  background: linear-gradient(145deg, #1a1a24, #0a0a0f);
  border-radius: 34px;
  padding: 8px;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 1;
  opacity: 0.7;
}

.phone-side.left {
  left: -40px;
  transform: translateY(-50%) rotate(-8deg);
  animation: float 6s ease-in-out 0.5s infinite reverse;
}

.phone-side.right {
  right: -40px;
  transform: translateY(-50%) rotate(8deg);
  animation: float 6s ease-in-out 0.5s infinite;
}

.phone-side .phone-screen {
  border-radius: 28px;
}

.hero-glow {
  position: absolute;
  inset: -100px;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}

/* ============================================
   Section Common
   ============================================ */
.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--gradient-card);
  border: 1px solid rgba(255, 27, 94, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Features Section
   ============================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-md);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-light);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Showcase Section (alternating image/text)
   ============================================ */
.showcase {
  background: linear-gradient(180deg, transparent, rgba(255, 27, 94, 0.03), transparent);
}

.showcase-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 120px;
}

.showcase-item:last-child {
  margin-bottom: 0;
}

.showcase-item.reverse {
  direction: rtl;
}

.showcase-item.reverse > * {
  direction: ltr;
}

.showcase-text .feature-icon {
  margin-bottom: 24px;
}

.showcase-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.showcase-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.showcase-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.showcase-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 1rem;
}

.showcase-list li::before {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--gradient-card);
  background-image: var(--gradient-primary), var(--gradient-card);
  background-blend-mode: normal;
  position: relative;
  background: var(--gradient-primary);
  mask-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='10'/%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Ccircle cx='10' cy='10' r='10'/%3E%3C/svg%3E");
}

.showcase-list li span {
  flex: 1;
}

.showcase-list li strong {
  color: var(--text-primary);
  font-weight: 600;
}

.showcase-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.showcase-phone {
  position: relative;
  width: 320px;
  background: linear-gradient(145deg, #1a1a24, #0a0a0f);
  border-radius: 44px;
  padding: 10px;
  box-shadow: var(--shadow-lg), 0 0 60px var(--accent-glow);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.showcase-phone .phone-screen {
  border-radius: 34px;
}

.showcase-visual::before {
  content: "";
  position: absolute;
  inset: -60px;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 70%);
  filter: blur(40px);
  z-index: -1;
}

/* ============================================
   Formats / Protocols Section
   ============================================ */
.formats-section {
  text-align: center;
}

.formats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
}

.format-chip {
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition);
}

.format-chip:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  color: var(--accent-light);
  transform: translateY(-2px);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
  padding: 100px 0;
  text-align: center;
}

.cta-card {
  padding: 80px 40px;
  background: var(--gradient-card);
  border: 1px solid rgba(255, 27, 94, 0.2);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, var(--accent-glow) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 64px 0 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 1;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--accent-light);
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copyright {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-legal {
  display: flex;
  gap: 24px;
  font-size: 0.875rem;
}

.footer-legal a {
  color: var(--text-tertiary);
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--accent-light);
}

/* ============================================
   Legal Pages (Privacy & Terms)
   ============================================ */
.legal-page {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 100px;
  min-height: 100vh;
}

.legal-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.legal-header {
  text-align: center;
  margin-bottom: 56px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
}

.legal-header h1 {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.legal-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.legal-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legal-toc {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 48px;
}

.legal-toc h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.legal-toc ol {
  list-style: decimal;
  padding-left: 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
}

.legal-toc ol li {
  color: var(--text-secondary);
}

.legal-toc a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.legal-toc a:hover {
  color: var(--accent-light);
}

.legal-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.legal-content h2 {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 56px;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
  scroll-margin-top: calc(var(--nav-height) + 20px);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal-content p {
  margin-bottom: 16px;
}

.legal-content ul,
.legal-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.legal-content ul {
  list-style: disc;
}

.legal-content ol {
  list-style: decimal;
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-content strong {
  color: var(--text-primary);
  font-weight: 600;
}

.legal-content a {
  color: var(--accent-light);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.legal-content a:hover {
  border-bottom-color: var(--accent-light);
}

.legal-content blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.legal-content .highlight-box {
  margin: 24px 0;
  padding: 24px 28px;
  background: var(--gradient-card);
  border: 1px solid rgba(255, 27, 94, 0.2);
  border-radius: var(--radius-md);
}

.legal-content .highlight-box p:last-child {
  margin-bottom: 0;
}

.legal-content .permission-card {
  margin: 24px 0;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.legal-content .permission-card:hover {
  border-color: var(--border-color-hover);
}

.legal-content .permission-card h4 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.0625rem;
  color: var(--text-primary);
}

.legal-content .permission-card .permission-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gradient-card);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
}

.legal-content .permission-card p {
  margin-bottom: 8px;
  font-size: 0.9375rem;
}

.legal-content .permission-card p:last-child {
  margin-bottom: 0;
}

/* Back to top button */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   Reveal Animation
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 60px;
    text-align: center;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons,
  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    min-height: 500px;
  }

  .showcase-item,
  .showcase-item.reverse {
    grid-template-columns: 1fr;
    gap: 48px;
    direction: ltr;
  }

  .showcase-item:nth-child(even) .showcase-visual {
    order: -1;
  }

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

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

@media (max-width: 768px) {
  :root {
    --container-padding: 20px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 14px 16px;
    text-align: center;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 40px);
  }

  .hero-stats {
    gap: 24px;
  }

  .phone-mockup {
    width: 240px;
    height: 500px;
  }

  .phone-side {
    display: none;
  }

  .section {
    padding: 60px 0;
  }

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

  .feature-card {
    padding: 24px;
  }

  .showcase-item {
    margin-bottom: 80px;
  }

  .showcase-phone {
    width: 280px;
  }

  .cta-card {
    padding: 48px 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .legal-toc ol {
    grid-template-columns: 1fr;
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-buttons .btn {
    width: 100%;
  }
}

/* ============================================
   Selection
   ============================================ */
::selection {
  background: var(--accent);
  color: white;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}