/* vider.se — the app's own look: the deep canvas, the mint accent, the
   system type. Nothing here that is not on the phone. */
:root {
  --canvas: #0c1a14;
  --canvas-deep: #08110d;
  --ink: #f2f6f3;
  --ink-soft: rgba(242, 246, 243, 0.68);
  --ink-faint: rgba(242, 246, 243, 0.38);
  --accent: #6db890;
  --accent-deep: #1f4d36;
  --line: rgba(242, 246, 243, 0.12);
  --glass: rgba(255, 255, 255, 0.06);
  --max: 42rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(60rem 40rem at 20% -10%, rgba(109, 184, 144, 0.16), transparent 60%),
    radial-gradient(40rem 30rem at 110% 20%, rgba(31, 77, 54, 0.45), transparent 60%),
    linear-gradient(180deg, var(--canvas) 0%, var(--canvas-deep) 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 0.18em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0 0;
}
.mark { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--ink); font-weight: 700; letter-spacing: 0.01em; }
.mark:hover { text-decoration: none; }
.mark svg { width: 28px; height: 28px; }
nav.top a { color: var(--ink-soft); margin-left: 1.25rem; font-size: 0.95rem; }
nav.top a[aria-current="page"] { color: var(--ink); }

main { padding: 3.5rem 0 4rem; }

h1 { font-size: clamp(2.2rem, 6vw, 3.2rem); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 1rem; }
h2 { font-size: 1.35rem; letter-spacing: -0.01em; margin: 2.5rem 0 0.6rem; }
h3 { font-size: 1.05rem; margin: 1.6rem 0 0.3rem; }
p { margin: 0 0 1rem; }
.lede { font-size: 1.3rem; color: var(--ink-soft); line-height: 1.45; max-width: 34rem; }
.muted { color: var(--ink-soft); }
.small { font-size: 0.9rem; color: var(--ink-faint); }

ul { padding-left: 1.2rem; }
li { margin: 0.3rem 0; }
li::marker { color: var(--accent); }

.hero { padding-top: 1.5rem; }
.hero .thread { display: block; width: min(100%, 30rem); height: auto; margin: 0 0 2rem -0.5rem; }

.points { display: grid; gap: 1rem; margin: 2.5rem 0 0; padding: 0; list-style: none; }
.points li { background: var(--glass); border: 1px solid var(--line); border-radius: 1.25rem; padding: 1.25rem 1.35rem; }
.points strong { display: block; margin-bottom: 0.25rem; }
.points p { margin: 0; color: var(--ink-soft); }

.badge { display: inline-block; margin-top: 2rem; padding: 0.55rem 1rem; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); font-size: 0.95rem; background: var(--glass); }
.badge b { color: var(--accent); font-weight: 600; }

.card { background: var(--glass); border: 1px solid var(--line); border-radius: 1.25rem; padding: 1.25rem 1.35rem; margin: 1.5rem 0; }

dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.25rem; margin: 1rem 0; }
dl.facts dt { color: var(--ink-soft); }
dl.facts dd { margin: 0; }

footer.foot { border-top: 1px solid var(--line); padding: 1.5rem 0 3rem; color: var(--ink-faint); font-size: 0.9rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; align-items: center; }
footer.foot a { color: var(--ink-soft); }
footer.foot .spacer { flex: 1; }

@media (max-width: 480px) {
  nav.top a { margin-left: 0.9rem; font-size: 0.9rem; }
  dl.facts { grid-template-columns: 1fr; gap: 0.1rem; }
  dl.facts dd { margin-bottom: 0.6rem; }
}