:root {
  color-scheme: dark;
  --bg: #0b0f19;
  --bg-alt: #12182a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-strong: rgba(255, 255, 255, 0.07);
  --line: rgba(255, 255, 255, 0.12);
  --text: #eef3ff;
  --muted: #b8c2da;
  --accent: #6ea8fe;
  --accent-strong: #82d8ff;
  --shadow: 0 20px 40px rgba(0, 0, 0, 0.32);
  --radius: 22px;
  --container: 1080px;
}

* { 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;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(89, 140, 255, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(97, 220, 255, 0.15), transparent 28%),
    var(--bg);
}

a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.95em;
  background: rgba(255,255,255,0.06);
  padding: 0.15rem 0.4rem;
  border-radius: 8px;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(11, 15, 25, 0.72);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 72px;
}

.brand {
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 1.1rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.82rem;
  font-weight: 700;
}

h1, h2, h3 {
  margin: 0 0 0.75rem;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
}

h3 {
  font-size: 1.25rem;
}

p { margin: 0 0 1rem; color: var(--muted); }
.lead { font-size: 1.12rem; max-width: 62ch; }

.hero-actions,
.card-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.button-primary {
  color: #08111e;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
}

.button-secondary {
  color: var(--text);
  background: rgba(255,255,255,0.04);
}

.section {
  padding: 2.5rem 0 4rem;
}

.section-alt {
  background: rgba(255, 255, 255, 0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 1.8rem;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.app-card,
.info-panel,
.app-page-card,
.download-placeholder {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.app-card {
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
  min-height: 100%;
}

.app-card.featured {
  background: linear-gradient(180deg, rgba(110,168,254,0.15), rgba(255,255,255,0.04));
}

.app-card-body {
  flex: 1;
}

.app-card .card-actions {
  margin-top: 1.5rem;
}

.app-icon {
  width: 92px;
  height: 92px;
  border-radius: 22px;
  margin-bottom: 1.1rem;
  box-shadow: 0 16px 32px rgba(0,0,0,0.28);
}

.pill {
  display: inline-flex;
  margin-bottom: 0.8rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  background: rgba(130, 216, 255, 0.16);
  color: var(--accent-strong);
}

.pill-soft {
  background: rgba(255,255,255,0.08);
  color: var(--text);
}

.feature-list {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
}

.two-column {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.info-panel,
.app-page-card,
.download-placeholder {
  padding: 1.35rem;
}

.app-page {
  padding: 3.2rem 0 4rem;
}

.app-page-header {
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 1.2rem;
  align-items: center;
  margin-bottom: 1.6rem;
}

.app-page .app-icon {
  width: 116px;
  height: 116px;
  margin: 0;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.download-placeholder {
  margin-top: 1rem;
}

.back-link {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--muted);
}

@media (max-width: 820px) {
  .app-grid,
  .two-column,
  .app-page-header {
    grid-template-columns: 1fr;
  }

  .header-inner,
  .footer-inner {
    flex-direction: column;
    justify-content: center;
    padding: 0.75rem 0;
  }

  .hero {
    padding-top: 3.5rem;
  }
}