:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --card: rgba(255, 255, 255, 0.8);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(60, 60, 67, 0.18);
  --accent: #0a84ff;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  --radius: 24px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --card: rgba(28, 28, 30, 0.86);
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --line: rgba(84, 84, 88, 0.45);
    --accent: #4da3ff;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html {
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(10, 132, 255, 0.10), transparent 30%),
    radial-gradient(circle at top right, rgba(52, 199, 89, 0.08), transparent 28%),
    var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

.page {
  width: min(960px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.hero {
  padding: 36px;
}

.hero-top {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  border: 1px solid var(--line);
  overflow: hidden;
  flex: 0 0 auto;
  background: rgba(255, 255, 255, 0.7);
}

.app-icon img {
  display: block;
  width: 100%;
  height: 100%;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.95rem;
}

h1, h2, h3 {
  margin: 0 0 12px;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.2rem);
}

h3 {
  font-size: 1.1rem;
}

p {
  margin: 0 0 16px;
}

.lede {
  max-width: 700px;
  font-size: 1.08rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font-weight: 600;
}

.button.primary {
  background: var(--accent);
  border-color: transparent;
  color: white;
}

@media (prefers-color-scheme: dark) {
  .button {
    background: rgba(58, 58, 60, 0.8);
  }
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.panel {
  padding: 24px;
}

.muted {
  color: var(--muted);
}

.list,
.stack {
  display: grid;
  gap: 14px;
}

.section {
  margin-top: 24px;
}

.section + .section {
  margin-top: 20px;
}

.footer {
  margin-top: 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.inline-code {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(120, 120, 128, 0.12);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, monospace;
  font-size: 0.92em;
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 8px;
}