/* estilo compartilhado das paginas internas (privacidade, 404).
   a home tem o proprio CSS inline porque e critica pro primeiro paint. */

@font-face {
  font-family: "Zilla Slab";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/assets/fonts/zilla-slab-700.woff2") format("woff2");
}
@font-face {
  font-family: "Public Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/assets/fonts/public-sans-var.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/assets/fonts/ibm-plex-mono-500.woff2") format("woff2");
}

:root {
  --ground: #edefe6;
  --surface: #ffffff;
  --ink: #16241f;
  --ink-soft: #55665c;
  --petrol: #0e5c52;
  --amber: #c86a28;
  --on-amber: #2b1a0c;
  --border: #d8dbc9;
  --band-bg: #16241f;
  --band-ink: #edefe6;
  --band-ink-soft: #a9bbb0;
  --band-border: #2c4038;
  --font-display: "Zilla Slab", "Iowan Old Style", ui-serif, Georgia, serif;
  --font-body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --maxw: 760px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #12211b;
    --surface: #1b2d25;
    --ink: #edefe6;
    --ink-soft: #a9bbb0;
    --petrol: #46c7b0;
    --amber: #ef9a5c;
    --border: #2c4038;
  }
}
:root[data-theme="dark"] {
  --ground: #12211b;
  --surface: #1b2d25;
  --ink: #edefe6;
  --ink-soft: #a9bbb0;
  --petrol: #46c7b0;
  --amber: #ef9a5c;
  --border: #2c4038;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: var(--petrol); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; }

.topbar {
  background: var(--band-bg);
  border-bottom: 1px solid var(--band-border);
}
.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 64px;
}
.topbar img { height: 32px; width: auto; }
.topbar a.back {
  color: var(--band-ink-soft);
  text-decoration: none;
  font-size: 0.88rem;
}
.topbar a.back:hover { color: var(--band-ink); }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: clamp(1.25rem, 5vw, 2rem);
}
main.wrap { padding-block: clamp(2.5rem, 6vw, 4.5rem); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--petrol);
  margin: 0;
}
h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 4.5vw, 2.7rem);
  line-height: 1.12;
  margin: 0.6rem 0 0;
  text-wrap: balance;
}
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 2.4rem 0 0.7rem;
}
p { margin: 0 0 1rem; }
main.wrap > p:first-of-type { color: var(--ink-soft); }
ul { padding-left: 1.15rem; margin: 0 0 1rem; }
li { margin-bottom: 0.4rem; }
.updated {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 1.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--amber);
  color: var(--on-amber);
  border-radius: 8px;
  padding: 0.75rem 1.2rem;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { filter: brightness(1.08); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.8rem; }
.btn.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn.secondary:hover { border-color: var(--petrol); filter: none; }

.code {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 14vw, 7rem);
  font-weight: 500;
  color: var(--petrol);
  line-height: 1;
  margin: 0;
}

footer {
  background: var(--band-bg);
  color: var(--band-ink-soft);
  border-top: 1px solid var(--band-border);
  padding-block: 1.6rem;
  font-size: 0.8rem;
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem; }
footer a { color: var(--band-ink-soft); text-decoration: none; }
footer a:hover { color: var(--band-ink); }