:root {
  color-scheme: light dark;
  --bg: #101316;
  --text: #f5f7f8;
  --muted-text: #b8c0c7;
  --panel: #1a2026;
  --band: #13171b;
  --muted: #e8eef1;
  --muted-panel: #ffffff;
  --muted-text-dark: #44515c;
  --accent: #52b7ff;
  --line: rgba(255, 255, 255, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a {
  color: inherit;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: #0d1114;
}

.header-inner {
  min-height: 92vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  padding: 48px 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.app-icon {
  display: block;
  width: 84px;
  height: 84px;
  margin-bottom: 22px;
  border-radius: 20px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.32);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: 2rem;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.12rem;
  letter-spacing: 0;
}

.lead {
  max-width: 720px;
  color: var(--muted-text);
  font-size: 1.18rem;
}

nav {
  display: grid;
  gap: 12px;
  min-width: 180px;
}

nav a {
  padding: 10px 0;
  color: var(--muted-text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

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

.band {
  padding: 72px 0;
  background: var(--band);
}

.band + .band {
  border-top: 1px solid var(--line);
}

.muted {
  background: var(--muted);
  color: #111820;
}

.muted p,
.muted li {
  color: var(--muted-text-dark);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 42px;
  align-items: start;
}

.panel,
article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

.muted article {
  background: var(--muted-panel);
  border-color: rgba(0, 0, 0, 0.1);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.readable {
  max-width: 840px;
}

ul {
  padding-left: 1.25rem;
  margin-top: 0;
  margin-bottom: 0;
}

li + li {
  margin-top: 6px;
}

.small {
  color: var(--muted-text);
  font-size: 0.9rem;
}

.muted .small {
  color: var(--muted-text-dark);
}

hr {
  margin: 48px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

footer {
  padding: 28px 0;
  color: var(--muted-text);
  background: #0d1114;
}

footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .wrap {
    width: min(100% - 28px, 1080px);
  }

  .header-inner,
  .two-column,
  .grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    min-height: 86vh;
    align-content: center;
  }

  nav {
    min-width: 0;
  }

  .band {
    padding: 48px 0;
  }
}