:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --text: #1c1f26;
  --muted: #5b6270;
  --line: #e4e1da;
  --accent: #1f4fd1;
  --accent-ink: #ffffff;
  --accent-soft: #e8eefc;
  --star: #f2c230;
  --radius: 14px;
  --max: 1080px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11141a;
    --surface: #181c24;
    --text: #e9ebef;
    --muted: #a3a9b6;
    --line: #2a303b;
    --accent: #7ea2ff;
    --accent-ink: #0d1220;
    --accent-soft: #1e2840;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--accent-ink); padding: .5rem 1rem;
}
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1rem; }
@media (min-width: 720px) { .wrap { padding: 0 2rem; } }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 64px; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: .6rem;
  color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .02em;
}
.brand img { width: 34px; height: 34px; flex: none; }
.brand small { display: block; font-weight: 400; color: var(--muted); font-size: .75rem; letter-spacing: 0; }

.nav { display: flex; gap: 1.25rem; flex-wrap: wrap; font-size: .95rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--text); }
@media (max-width: 640px) { .nav { width: 100%; gap: .9rem; padding-bottom: .6rem; font-size: .9rem; } }

/* Hero */
.hero { padding: 4.5rem 0 3.5rem; }
.badge {
  display: inline-block; font-size: .8rem; font-weight: 600;
  background: var(--accent-soft); color: var(--accent);
  padding: .3rem .75rem; border-radius: 999px; margin-bottom: 1.25rem;
}
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem); line-height: 1.12;
  margin: 0 0 1.25rem; letter-spacing: -.02em; max-width: 20ch;
}
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 60ch; margin: 0 0 2rem; }

.btn {
  display: inline-block; padding: .8rem 1.4rem; border-radius: 10px;
  font-weight: 600; text-decoration: none; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.actions { display: flex; gap: .75rem; flex-wrap: wrap; }

/* Sections */
section { padding: 3.5rem 0; border-top: 1px solid var(--line); }
section h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 .75rem; letter-spacing: -.01em; }
.section-intro { color: var(--muted); max-width: 65ch; margin: 0 0 2rem; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.4rem 1.2rem;
}
.card h3 { margin: 0 0 .4rem; font-size: 1.08rem; }
.card p { margin: 0; color: var(--muted); font-size: .97rem; }
.card .num { font-size: .8rem; font-weight: 700; color: var(--accent); letter-spacing: .08em; }

.two-col { display: grid; gap: 2rem; }
@media (min-width: 820px) { .two-col { grid-template-columns: 1fr 1fr; align-items: start; } }

ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { padding-left: 1.6rem; position: relative; margin-bottom: .6rem; }
ul.checks li::before {
  content: ""; position: absolute; left: 0; top: .55em;
  width: .7rem; height: .7rem; border-radius: 50%; background: var(--accent);
}

.callout {
  background: var(--accent-soft); border-radius: var(--radius); padding: 1.75rem;
}
.callout h3 { margin-top: 0; }

/* Legal pages */
.legal { padding: 3rem 0 4rem; max-width: 760px; }
.legal h1 { font-size: 2rem; margin-top: 0; }
.legal h2 { font-size: 1.2rem; margin-top: 2.2rem; }
.todo { background: #fff3c4; color: #5a4300; padding: 0 .3em; border-radius: 4px; }
@media (prefers-color-scheme: dark) { .todo { background: #4a3d0a; color: #ffe9a3; } }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; color: var(--muted); font-size: .9rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer nav { display: flex; gap: 1.25rem; }