/* piogino.ch — same visual language as converter.piogino.ch. */

/* IBM Plex, served from this site (SIL Open Font License, see assets/fonts/OFL.txt). */
@font-face { font-family: "IBM Plex Sans"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 500; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-sans-600.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-400.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 600; font-style: normal; font-display: swap; src: url("/assets/fonts/ibm-plex-mono-600.woff2") format("woff2"); }

:root {
  --paper: #f3f0e8;
  --paper-2: #ebe7dc;
  --ink: #1c1b18;
  --muted: #6e695f;
  --rule: #d6d0c2;
  --accent: #d9481f;

  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 3px;
  --page: 960px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #151412;
    --paper-2: #1d1c19;
    --ink: #ebe6da;
    --muted: #9b958a;
    --rule: #34312b;
    --accent: #ff6a3d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #151412;
  --paper-2: #1d1c19;
  --ink: #ebe6da;
  --muted: #9b958a;
  --rule: #34312b;
  --accent: #ff6a3d;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: var(--page); margin: 0 auto; padding: 0 20px; }

/* ---------- header ---------- */

.site-head { border-bottom: 1px solid var(--rule); }
.site-head .wrap { display: flex; align-items: center; gap: 20px; min-height: 56px; }
.mark { display: inline-flex; align-items: center; gap: 9px; font: 600 15px/1 var(--mono); text-decoration: none; }
.mark svg { width: 18px; height: 18px; flex: none; }
.mark span { color: var(--muted); font-weight: 400; }
.head-nav { display: flex; gap: 18px; margin-left: auto; font: 400 13px/1 var(--mono); }
.head-nav a { color: var(--muted); text-decoration: none; }
.head-nav a:hover, .head-nav a[aria-current] { color: var(--ink); }
.theme-btn {
  font: 400 12px/1 var(--mono); color: var(--muted);
  background: none; border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 6px 8px; cursor: pointer; min-width: 62px;
}
.theme-btn:hover { color: var(--ink); border-color: var(--muted); }

/* ---------- landing ---------- */

.intro { padding: 56px 0 36px; max-width: 680px; }
.intro h1 { font: 600 clamp(30px, 6vw, 44px)/1.08 var(--sans); letter-spacing: -0.02em; margin: 0 0 16px; }
.intro p { margin: 0; color: var(--muted); font-size: 17px; }
.intro .accent { color: var(--accent); }

.index { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); }
.index-group {
  font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted);
  padding: 28px 0 10px; border-bottom: 1px solid var(--rule);
}
.index a {
  display: grid; grid-template-columns: 34px minmax(150px, 220px) 1fr auto; gap: 4px 18px; align-items: baseline;
  padding: 16px 0; border-bottom: 1px solid var(--rule); text-decoration: none;
}
.index a:hover .t { color: var(--accent); }
.index .n { font: 400 12px/1 var(--mono); color: var(--muted); }
.index .t { font: 600 18px/1.25 var(--sans); }
.index .d { color: var(--muted); font-size: 15px; }
.index .w { font: 400 12px/1 var(--mono); color: var(--muted); white-space: nowrap; }
@media (max-width: 680px) {
  .index a { grid-template-columns: 34px 1fr; }
  .index .d, .index .w { grid-column: 2; }
}

.about { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 64px 0 56px; }
.about h2 { font: 500 11px/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 14px; }
.about p { margin: 0 0 12px; }
.facts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); font-size: 15px; }
.facts li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--rule); }
.facts li span:first-child { font: 400 12px/1.9 var(--mono); color: var(--muted); }
@media (max-width: 680px) { .about { grid-template-columns: 1fr; gap: 28px; } }

/* ---------- text pages (privacy) ---------- */

.prose { max-width: 680px; padding-top: 40px; padding-bottom: 56px; }
.prose h1 { font: 600 32px/1.15 var(--sans); letter-spacing: -0.01em; margin: 0 0 6px; }
.prose h2 { font: 600 18px/1.3 var(--sans); margin: 34px 0 8px; }
.prose p, .prose ul { margin: 0 0 12px; }
.prose ul { padding-left: 20px; }
.prose code { font: 400 0.9em var(--mono); background: var(--paper-2); padding: 1px 4px; border-radius: var(--radius); }
.prose .updated { font: 400 12px/1.5 var(--mono); color: var(--muted); margin-bottom: 26px; }
.table-wrap { overflow-x: auto; margin: 0 0 12px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; }
.prose th, .prose td { text-align: left; vertical-align: top; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); }
.prose th { font: 500 11px/1.3 var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); border-bottom-color: var(--ink); }
@media (max-width: 560px) { .prose th, .prose td { min-width: 9em; } }

/* ---------- footer ---------- */

.site-foot { border-top: 1px solid var(--rule); font: 400 12px/1.5 var(--mono); color: var(--muted); }
.site-foot .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 18px; padding-bottom: 28px; }