:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --panel: #12161b;
  --text: #e6e8eb;
  --muted: #9aa3ad;
  --accent: #7aa2f7;
  --line: #1e242c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -.02em;
  color: var(--text);
  text-decoration: none;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1.25rem;
  font-size: .95rem;
}
nav a:hover { color: var(--accent); }

main {
  flex: 1;
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.hero { text-align: center; margin-bottom: 4.5rem; }

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -.03em;
  margin: 0 0 1rem;
}

.hero p {
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 38rem;
  margin: 0 auto 2rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #0b0d10;
  font-weight: 600;
  padding: .75rem 1.5rem;
  border-radius: .5rem;
  text-decoration: none;
}
.cta:hover { filter: brightness(1.1); }

/* product section */
.product {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: 2rem;
  margin-bottom: 3rem;
}
.product h2 { font-size: 1.35rem; letter-spacing: -.02em; margin: 0 0 .5rem; }
.product > p { margin: 0 0 1.25rem; }
.product ul { padding-left: 1.2rem; margin: 0 0 1.25rem; color: var(--muted); }
.product li { margin-bottom: .5rem; }
.product li b { color: var(--text); }
.product a { color: var(--accent); }
.product .actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin: 1.5rem 0 0;
}
.link { color: var(--accent); text-decoration: none; font-size: .95rem; }
.link:hover { text-decoration: underline; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.25rem;
}

.cards article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: 1.5rem;
}

.cards h2 { font-size: 1.05rem; margin: 0 0 .5rem; }
.cards p { color: var(--muted); margin: 0; font-size: .95rem; }

/* legal pages */
.doc { max-width: 46rem; }
.doc h1 { font-size: 2rem; letter-spacing: -.02em; margin: 0 0 .25rem; }
.doc h2 { font-size: 1.1rem; margin: 2.25rem 0 .5rem; }
.doc p, .doc li { color: var(--muted); }
.doc a { color: var(--accent); }
.doc ul { padding-left: 1.25rem; }
.updated { color: var(--muted); font-size: .9rem; margin: 0 0 2rem; }

footer {
  border-top: 1px solid var(--line);
  padding: 2rem;
  text-align: center;
  font-size: .9rem;
}
footer p { margin: .25rem 0; }
footer a { color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); }