/* lusus.app: the public pages (home, privacy policy, terms). No scripts, no trackers. */
:root {
  --text: #1d1b22;
  --muted: #5d5a66;
  --line: #e4e1ea;
  --bg: #ffffff;
  --soft: #f6f4fa;
  --accent: #6d28d9;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #ece9f2;
    --muted: #aaa5b5;
    --line: #34303d;
    --bg: #141218;
    --soft: #1c1922;
    --accent: #b794f6;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
  color: var(--accent);
}

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  border-bottom: 1px solid var(--line);
}

header .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding-top: 16px;
  padding-bottom: 16px;
}

.brand {
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 15px;
}

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

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
}

main {
  padding: 32px 0 48px;
}

h1 {
  margin: 0 0 6px;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h2 {
  margin: 36px 0 8px;
  font-size: 21px;
  line-height: 1.3;
}

h3 {
  margin: 22px 0 4px;
  font-size: 17px;
}

p,
ul {
  margin: 0 0 14px;
}

ul {
  padding-left: 22px;
}

li {
  margin: 4px 0;
}

.meta {
  color: var(--muted);
  font-size: 15px;
}

.note {
  margin: 20px 0;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--soft);
}

.hero {
  padding: 24px 0 8px;
}

.hero p {
  color: var(--muted);
  font-size: 19px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin: 26px 0;
  padding: 0;
  list-style: none;
}

.features li {
  margin: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.features strong {
  display: block;
  margin-bottom: 2px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer .wrap {
  padding-top: 18px;
  padding-bottom: 28px;
}

@media (max-width: 480px) {
  body {
    font-size: 16px;
  }

  h1 {
    font-size: 28px;
  }
}