:root {
  --bg: #080c14;
  --card: #111827;
  --border: rgba(255, 255, 255, 0.07);
  --text: #f0f4ff;
  --muted: rgba(240, 244, 255, 0.62);
  --accent: #0ea5e9;
  --accent2: #06b6d4;
  --green: #10b981;
  --tr: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg: #f0f9ff;
  --card: #ffffff;
  --border: rgba(0, 0, 0, 0.1);
  --text: #0a0e1a;
  --muted: rgba(10, 14, 26, 0.68);
  --accent: #0284c7;
  --accent2: #0891b2;
  --green: #047857;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "DM Sans", sans-serif;
  line-height: 1.7;
  transition: background var(--tr), color var(--tr);
  overflow-x: hidden;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 18px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(20px);
  background: rgba(8, 12, 20, 0.8);
  border-bottom: 1px solid var(--border);
}

[data-theme="light"] nav {
  background: rgba(240, 249, 255, 0.92);
}

.logo {
  font-family: "Syne", sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
}

.logo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--tr);
}

.nav-links a:hover {
  color: var(--text);
}

.lang-toggle {
  display: flex;
  gap: 3px;
}

.lang-btn {
  padding: 5px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--tr);
  font-family: "DM Sans", sans-serif;
}

.lang-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.theme-toggle {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px;
  display: flex;
  gap: 3px;
}

.theme-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-btn.active {
  background: var(--accent);
  color: #fff;
}

.app-hero {
  padding: 140px 48px 60px;
  max-width: 1000px;
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: none;
  margin-bottom: 32px;
  transition: color var(--tr);
}

.back-link:hover {
  color: var(--accent);
}

.app-hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(14, 165, 233, 0.24);
  overflow: hidden;
  margin-bottom: 24px;
}

.app-hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.app-badges {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.badge {
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-live {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-platform {
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  border: 1px solid var(--border);
}

[data-theme="light"] .badge-platform {
  background: rgba(0, 0, 0, 0.05);
}

.app-hero-name {
  font-family: "Syne", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.app-hero-tagline {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.75;
}

.store-coming {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.store-coming-btn {
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "DM Sans", sans-serif;
  text-decoration: none;
  transition: all var(--tr);
}

.store-coming-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.store-coming-btn.is-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 48px 100px;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 0 0 60px;
}

.section-title {
  font-family: "Syne", sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 60px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  transition: all var(--tr);
}

.feature-card:hover {
  border-color: rgba(14, 165, 233, 0.32);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.feature-title {
  font-family: "Syne", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.privacy-box,
.legal-link-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
}

.privacy-box {
  margin-bottom: 36px;
}

.privacy-date {
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 28px;
}

.privacy-box h3 {
  font-family: "Syne", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px 0 10px;
}

.privacy-box h4 {
  font-family: "Syne", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  margin: 18px 0 8px;
}

.privacy-box p,
.privacy-box ul,
.legal-link-box p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

.privacy-box ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.privacy-box ul li {
  margin-bottom: 6px;
}

.privacy-box a,
.legal-link {
  color: var(--accent);
  text-decoration: none;
}

.legal-link-title {
  margin-top: 0;
}

.legal-link-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.legal-link {
  flex-shrink: 0;
  font-weight: 600;
}

footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  max-width: 1000px;
  margin: 0 auto;
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--tr);
}

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

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  nav {
    padding: 16px 20px;
  }

  .nav-links {
    display: none;
  }

  .app-hero {
    padding: 120px 20px 50px;
  }

  .content {
    padding: 0 20px 60px;
  }

  .privacy-box,
  .legal-link-box {
    padding: 24px;
  }

  .legal-link-box {
    align-items: flex-start;
    flex-direction: column;
  }

  footer {
    padding: 24px 20px;
  }
}