:root {
  --bg: #08101f;
  --text: #eef2ff;
  --muted: #b8c2d9;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #6ee7ff;
  --accent-strong: #38bdf8;
  --card-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  --radius: 24px;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(110, 231, 255, 0.12), transparent 24%),
    linear-gradient(180deg, #07101d 0%, #0b1020 100%);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.section { padding: 5rem 0; }
.section-alt { background: rgba(255,255,255,0.03); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading { max-width: 780px; margin-bottom: 2rem; }
.eyebrow {
  margin: 0 0 0.5rem 0; color: var(--accent); font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
}
h1, h2, h3, h4 { margin: 0 0 1rem 0; line-height: 1.1; }
h1 { font-size: clamp(2.5rem, 5vw, 4.7rem); }
h2 { font-size: clamp(1.9rem, 3vw, 3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem 0; color: var(--muted); }

.nav-shell {
  position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(18px);
  background: rgba(8, 16, 31, 0.68); border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 0.85rem; font-weight: 700; }
.brand img { width: 42px; height: 42px; border-radius: 12px; }
.brand-text { font-size: 0.98rem; }
.nav-links { display: flex; align-items: center; gap: 0.3rem; flex-wrap: wrap; }
.nav-links a, .nav-dropdown-toggle {
  color: var(--muted); font-size: 0.95rem; padding: 0.8rem 0.95rem; border-radius: 14px;
  transition: 0.2s ease; background: transparent; border: 0; cursor: pointer;
}
.nav-links a:hover, .nav-links a.is-active, .nav-dropdown-toggle:hover {
  background: rgba(255,255,255,0.06); color: var(--text);
}
.nav-dropdown { position: relative; }
.nav-menu {
  position: absolute; top: calc(100% + 0.55rem); left: 0; min-width: 240px; padding: 0.55rem;
  border: 1px solid var(--line); border-radius: 18px; background: rgba(10, 18, 34, 0.96);
  box-shadow: var(--card-shadow); display: none;
}
.nav-dropdown:hover .nav-menu, .nav-dropdown:focus-within .nav-menu { display: block; }
.nav-menu a { display: block; padding: 0.75rem 0.9rem; border-radius: 12px; }
.mobile-nav-toggle { display: none; }

.hero { padding: 4rem 0 5rem; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2rem; align-items: center;
  min-height: calc(100vh - 74px);
}
.hero-copy { max-width: 720px; font-size: 1.08rem; }
.hero-card {
  position: relative; padding: 2rem; border-radius: 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  border: 1px solid var(--line); box-shadow: var(--card-shadow); overflow: hidden;
}
.hero-device { width: min(100%, 330px); margin: 0 auto; position: relative; z-index: 2; }
.hero-card-glow {
  position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: rgba(110, 231, 255, 0.28); filter: blur(50px); right: -2rem; bottom: -3rem; z-index: 1;
}
.hero-actions, .card-actions {
  display: flex; gap: 0.85rem; flex-wrap: wrap; align-items: center;
}
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: 0.8rem 1.15rem; border-radius: 14px; font-weight: 700; transition: transform 0.2s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #04111c; }
.button-secondary { background: rgba(255,255,255,0.06); border: 1px solid var(--line); color: var(--text); }

.category-block + .category-block { margin-top: 3rem; }
.app-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.app-card {
  display: grid; grid-template-columns: 96px 1fr; gap: 1rem; padding: 1.2rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.035));
  box-shadow: var(--card-shadow);
}
.app-icon {
  width: 96px; height: 96px; border-radius: 22px; object-fit: cover; background: rgba(255,255,255,0.05);
}
.app-card-body h4 { margin-bottom: 0.5rem; }
.text-link { color: var(--accent); font-weight: 700; }
.note { font-size: 0.92rem; color: var(--muted); }

.site-footer { padding-top: 3rem; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 1rem; }
.footer-bottom { padding: 1.2rem 0 2rem; }
.footer-logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
}

@media (max-width: 900px) {
  .hero-grid, .footer-grid, .app-grid { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; padding: 1rem 0; }
  .mobile-nav-toggle {
    display: inline-flex; min-height: 44px; align-items: center; justify-content: center;
    padding: 0.7rem 0.9rem; border-radius: 12px; border: 1px solid var(--line);
    background: rgba(255,255,255,0.06); color: var(--text);
  }
  .nav-inner { width: 100%; }
  .nav-links {
    display: none; width: 100%; flex-direction: column; align-items: stretch; padding-top: 0.8rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-dropdown .nav-menu {
    position: static; display: block; min-width: 0; padding: 0.3rem 0 0 0.75rem;
    background: transparent; box-shadow: none; border: 0;
  }
  .app-card { grid-template-columns: 72px 1fr; }
  .app-icon { width: 72px; height: 72px; border-radius: 18px; }
  .hero { padding-top: 2rem; }
  .hero-grid { min-height: auto; }
  .footer-logo {
  width: 72px;
  height: 72px;
  border-radius: 18px;
}
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}