/* ===== DESIGN TOKENS ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-glass: rgba(255,255,255,0.06);
  --border-glass: rgba(255,255,255,0.08);
  --text-primary: #f0f0f5;
  --text-secondary: #9a9ab0;
  --text-muted: #6a6a80;
  --accent: #7c5cfc;
  --accent-light: #a78bfa;
  --accent-glow: rgba(124,92,252,0.35);
  --accent-gradient: linear-gradient(135deg, #7c5cfc, #e879f9);
  --accent-gradient-2: linear-gradient(135deg, #e879f9, #fb923c);
  --success: #34d399;
  --warning: #fbbf24;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --shadow-glow: 0 0 60px rgba(124,92,252,0.15);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #c4b5fd; }

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

::selection { background: var(--accent); color: #fff; }

/* ===== ANIMATED BACKGROUND ===== */
.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.bg-glow .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.bg-glow .orb-1 {
  width: 600px; height: 600px;
  background: #7c5cfc;
  top: -200px; left: -100px;
  animation-duration: 22s;
}
.bg-glow .orb-2 {
  width: 500px; height: 500px;
  background: #e879f9;
  bottom: -150px; right: -100px;
  animation-duration: 18s;
  animation-delay: -5s;
}
.bg-glow .orb-3 {
  width: 400px; height: 400px;
  background: #38bdf8;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation-duration: 25s;
  animation-delay: -10s;
  opacity: 0.2;
}
@keyframes orbFloat {
  0%   { transform: translate(0, 0) scale(1); }
  33%  { transform: translate(60px, -40px) scale(1.1); }
  66%  { transform: translate(-40px, 60px) scale(0.95); }
  100% { transform: translate(30px, 30px) scale(1.05); }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10,10,15,0.75);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--border-glass);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10,10,15,0.92);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.nav-brand .logo-icon {
  width: 38px; height: 38px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-glow);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}
.nav-links a.active {
  color: var(--accent-light);
}

/* Mobile menu */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}
.hero-content {
  max-width: 800px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-light);
  margin-bottom: 28px;
  animation: fadeInUp 0.8s ease;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
}
.hero h1 .gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  animation: fadeInUp 0.8s ease 0.2s both;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 25px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 35px var(--accent-glow);
  color: #fff;
}
.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  color: var(--text-primary);
}

/* ===== SECTION ===== */
.section-block {
  padding: 100px 0;
}
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}
.section-header .label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-light);
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ===== FEATURE CARDS ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: rgba(124,92,252,0.2);
  box-shadow: var(--shadow-glow);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 52px; height: 52px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== APP SCREENSHOTS ===== */
.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.screenshot-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  transition: var(--transition);
}
.screenshot-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-glow);
}
.screenshot-card .img-placeholder {
  width: 100%;
  aspect-ratio: 9/16;
  background: linear-gradient(135deg, var(--bg-secondary), rgba(124,92,252,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
}
.screenshot-card img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #0f0f15;
  z-index: 2;
}
.screenshot-card .caption {
  padding: 16px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
}

/* ===== STATS ===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 64px;
}
.stat-item {
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== SUBSCRIPTION TIERS ===== */
.tiers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.tier-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.tier-card.featured {
  border-color: rgba(124,92,252,0.4);
  box-shadow: var(--shadow-glow);
}
.tier-card.featured::before {
  content: '⭐ Popular';
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: #fff;
  padding: 4px 16px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
}
.tier-card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}
.tier-name {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}
.tier-price {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 20px;
}
.tier-price span { font-size: 0.9rem; font-weight: 400; color: var(--text-muted); }
.tier-features {
  list-style: none;
  text-align: left;
  margin-bottom: 28px;
}
.tier-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.tier-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

/* ===== PRIVACY PAGE ===== */
.page-header {
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
}
.page-header h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 12px;
}
.page-header .subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Language Tabs */
.lang-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}
.lang-tab {
  padding: 10px 28px;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-glass);
  background: var(--bg-card);
  color: var(--text-secondary);
  transition: var(--transition);
}
.lang-tab:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.lang-tab.active {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px var(--accent-glow);
}

/* Privacy Content */
.privacy-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px 100px;
}
.privacy-content { display: none; }
.privacy-content.active { display: block; }

.toc {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  margin-bottom: 48px;
}
.toc h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-light);
}
.toc ol {
  padding-left: 20px;
}
.toc li {
  padding: 6px 0;
}
.toc a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
}
.toc a:hover { color: var(--accent-light); }

.policy-section {
  margin-bottom: 40px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.policy-section:hover {
  border-color: rgba(124,92,252,0.15);
}
.policy-section h2 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.policy-section h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 16px 0 8px;
  color: var(--accent-light);
}
.policy-section p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
}
.policy-section ul {
  list-style: none;
  margin: 12px 0;
}
.policy-section ul li {
  padding: 6px 0 6px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  position: relative;
}
.policy-section ul li::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 14px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ===== SUPPORT PAGE ===== */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}
.support-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}
.support-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}
.support-card .icon-wrap {
  width: 72px; height: 72px;
  margin: 0 auto 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}
.support-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.support-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(124,92,252,0.15);
}
.faq-question {
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-primary);
  user-select: none;
}
.faq-question .arrow {
  font-size: 0.8rem;
  transition: var(--transition);
  color: var(--text-muted);
}
.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
  color: var(--accent-light);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer {
  max-height: 300px;
}
.faq-answer p {
  padding: 0 24px 20px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 48px 0;
  text-align: center;
}
.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
}
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.footer-links a:hover { color: var(--accent-light); }
.footer-copy {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(10,10,15,0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--border-glass);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .hero { padding: 100px 20px 60px; }
  .hero h1 { letter-spacing: -1px; }
  .features-grid { grid-template-columns: 1fr; }
  .screenshots-grid { grid-template-columns: repeat(2, 1fr); }
  .tiers-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .support-grid { grid-template-columns: 1fr; }
  .section-block { padding: 60px 0; }
  .policy-section { padding: 24px; }
}

@media (max-width: 480px) {
  .screenshots-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .lang-tabs { flex-direction: column; align-items: center; }
}