* {
  box-sizing: border-box;
}

:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --text: #1d1d1f;
  --muted: #5f6368;
  --line: rgba(0, 0, 0, 0.12);
  --accent: #007aff;
  --accent-soft: rgba(0, 122, 255, 0.1);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --surface: rgba(31, 32, 36, 0.82);
    --surface-strong: #1f2024;
    --text: #f5f5f7;
    --muted: #a1a1aa;
    --line: rgba(255, 255, 255, 0.14);
    --accent: #0a84ff;
    --accent-soft: rgba(10, 132, 255, 0.16);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  }
}

body {
  margin: 0;
  background: radial-gradient(circle at 50% 0, rgba(0, 122, 255, 0.08), transparent 34rem), var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
}

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

a:hover {
  text-decoration: underline;
}

.layout {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(18px);
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(145deg, #eaf5ff, #ffffff);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5);
  color: var(--accent);
  font-weight: 800;
}

.site-nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--muted);
  font-size: 14px;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 650;
}

.hero {
  padding: 86px 0 52px;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.05;
}

.lead {
  max-width: 720px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 21px;
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.button.secondary {
  background: var(--surface-strong);
  color: var(--text);
  border: 1px solid var(--line);
}

.product-panel,
.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.product-panel {
  padding: 18px;
}

.mock-window {
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.mock-toolbar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 13px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot.red { background: #ff5f57; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #28c840; }

.mock-content {
  padding: 16px;
}

.lane,
.shelf,
.waterfall {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--accent-soft);
}

.lane {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 10px;
}

.space {
  min-height: 44px;
  border-radius: 9px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.shelf {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px;
  margin-top: 12px;
}

.app-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #86c5ff, #ffffff);
  border: 1px solid var(--line);
}

.waterfall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 12px;
  margin-top: 12px;
}

.window-card {
  min-height: 84px;
  border-radius: 12px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.section {
  padding: 34px 0;
}

.section h2,
.prose h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.14;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  padding: 24px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.card p,
.card li,
.prose p,
.prose li {
  color: var(--muted);
}

.prose {
  padding: 56px 0;
}

.prose .card {
  max-width: 860px;
  margin: 0 auto;
}

.prose h2 {
  margin-top: 32px;
}

kbd {
  display: inline-block;
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 7px;
  background: var(--surface-strong);
  color: var(--text);
  font-size: 0.9em;
}

.site-footer {
  padding: 34px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 760px) {
  .site-header__bar,
  .hero__grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .site-header__bar {
    align-items: flex-start;
    padding: 14px 0;
  }

  .hero {
    padding-top: 54px;
  }

  .lead {
    font-size: 18px;
  }
}