/* --- Tokens --- */
:root {
  --surface: #f5f2ea;
  --surface-alt: #fffdf8;
  --ink: #1c2230;
  --muted: #565c6a;
  --line: #e1dacb;
  --brand: #1f5c6b;
  --brand-ink: #ffffff;
  --accent: #d9572b;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, Menlo, monospace;
  --maxw: 68rem;
  --pad: clamp(1rem, 4vw, 2rem);
  --r: 14px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --shadow: 0 1px 2px rgb(28 34 48 / .06), 0 10px 28px -14px rgb(28 34 48 / .25);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #13171e;
    --surface-alt: #1a2029;
    --ink: #ebe7dd;
    --muted: #a7adb9;
    --line: #2b323e;
    --brand: #7cc4d4;
    --brand-ink: #0e1318;
    --accent: #f08a5d;
    --shadow: 0 1px 2px rgb(0 0 0 / .3), 0 10px 28px -14px rgb(0 0 0 / .6);
  }
}

/* --- Base --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 400 clamp(1rem, .96rem + .2vw, 1.075rem)/1.6 var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; }
a { color: var(--brand); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }
.wrap { width: min(100% - 2 * var(--pad), var(--maxw)); margin-inline: auto; }
.vh {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip { position: absolute; left: -999px; top: .5rem; padding: .5rem .8rem; background: var(--brand); color: var(--brand-ink); z-index: 10; }
.skip:focus { left: .5rem; }

/* --- Header --- */
.top { padding-block: clamp(1rem, 3vw, 1.6rem); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.mark {
  font: 700 clamp(1.15rem, 1rem + .6vw, 1.4rem)/1 var(--mono);
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}
.mark svg { width: 1.6em; height: 1.6em; flex: none; }
.mark b { color: var(--accent); font-weight: inherit; }
.lang { display: flex; gap: .25rem; font: 600 .85rem/1 var(--mono); }
.lang a, .lang span { padding: .45rem .6rem; border-radius: 8px; text-decoration: none; }
.lang span { background: var(--ink); color: var(--surface); }
.lang a { color: var(--muted); }
.lang a:hover { color: var(--ink); background: var(--line); }

/* --- Hero --- */
.hero { padding-block: clamp(1.5rem, 6vw, 4.5rem) clamp(1.5rem, 4vw, 3rem); }
.kicker {
  font: 600 .8rem/1 var(--mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}
.hero h1 { font-size: clamp(2rem, 1.4rem + 3.2vw, 3.6rem); margin: 0; max-width: 18ch; }
.lede { font-size: clamp(1.05rem, 1rem + .4vw, 1.25rem); color: var(--muted); max-width: 52ch; margin: 1.1rem 0 0; }

/* --- Tools --- */
.tools {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  padding-bottom: clamp(2rem, 6vw, 4rem);
}
.tool {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.tool:hover { transform: translateY(-3px); box-shadow: 0 1px 2px rgb(28 34 48 / .08), 0 18px 36px -16px rgb(28 34 48 / .35); }
.tool__art {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--brand) 10%, var(--surface-alt));
  border-bottom: 1px solid var(--line);
}
.tool__art svg { width: 62%; height: auto; }
.tool__body { padding: 1.25rem 1.3rem 1.4rem; display: flex; flex-direction: column; gap: .7rem; flex: 1; }
.tool h2 { margin: 0; font-size: 1.35rem; }
.tool h2 a { color: var(--ink); text-decoration: none; }
.tool h2 a::after { content: ""; position: absolute; inset: 0; border-radius: var(--r); }
.tool p { margin: 0; color: var(--muted); }
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li {
  font: 500 .78rem/1 var(--mono);
  padding: .38rem .55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  color: var(--muted);
}
.go {
  margin-top: auto;
  padding-top: .4rem;
  font: 600 .95rem/1 var(--mono);
  color: var(--brand);
}
.go::after { content: " →"; transition: margin .2s var(--ease); }
.tool:hover .go::after { margin-left: .25rem; }

/* --- About --- */
.about {
  border-top: 1px solid var(--line);
  padding-block: clamp(2rem, 6vw, 3.5rem);
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}
.about h2 { font-size: 1rem; margin: 0 0 .4rem; font-family: var(--mono); }
.about p { margin: 0; color: var(--muted); font-size: .95rem; }

/* --- Legal pages --- */
.prose { padding-block: clamp(1rem, 4vw, 2.5rem) clamp(2.5rem, 7vw, 5rem); max-width: 46rem; }
.prose h1 { font-size: clamp(1.8rem, 1.4rem + 2vw, 2.6rem); margin: 0 0 1.5rem; }
.prose h2 { font-size: 1.15rem; margin: 2.2rem 0 .6rem; }
.prose p, .prose li, .prose dd { color: color-mix(in srgb, var(--ink) 88%, var(--surface)); }
.prose dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.2rem; margin: .8rem 0; }
.prose dt { color: var(--muted); }
.prose dd { margin: 0; }
.prose .back { font: 600 .9rem/1 var(--mono); text-decoration: none; }
.prose .back::before { content: "← "; }

/* --- Footer --- */
.foot { border-top: 1px solid var(--line); padding-block: 1.6rem; font-size: .88rem; color: var(--muted); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between; }
.foot nav { display: flex; gap: 1.2rem; }
.foot a { color: var(--muted); }
.foot a:hover { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}