/* quebragalho.dev — folha única, sem requisições externas. */

:root {
  color-scheme: dark;

  --canvas: oklch(0.03 0 0);
  --raised: oklch(0.08 0 0);
  --ink: oklch(0.98 0 0);
  --ink-2: oklch(0.68 0 0);
  --ink-3: oklch(0.52 0 0);
  --line: oklch(0.2 0 0);
  --signal: oklch(0.9 0.24 130);

  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", SFMono-Regular, "SF Mono", Menlo,
    Consolas, monospace;

  --measure: 68ch;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--ink);
  text-decoration-color: var(--ink-3);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: var(--signal);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- topo ---------- */

.masthead {
  border-bottom: 1px solid var(--line);
}

.masthead .shell {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 28px;
  padding-block: 20px;
}

.wordmark {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark b {
  font-weight: 600;
}

.wordmark span {
  color: var(--ink-3);
  font-weight: 400;
}

.masthead nav {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--ink-2);
}

.masthead nav a {
  color: var(--ink-2);
  text-decoration: none;
}

.masthead nav a:hover,
.masthead nav a[aria-current="page"] {
  color: var(--ink);
}

/* ---------- hero ---------- */

.hero {
  padding-block: 88px 64px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 20px;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 600;
  margin: 0 0 24px;
  max-width: 18ch;
}

.subtitle {
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--signal);
  margin: -12px 0 24px;
}

.lede {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 36px;
}

.tagline {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-3);
  margin: 0;
}

/* ---------- blocos ---------- */

section {
  padding-block: 64px;
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.section-note {
  color: var(--ink-2);
  max-width: var(--measure);
  margin: 0 0 36px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card {
  background: var(--raised);
  padding: 24px;
}

.card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.925rem;
}

.callout {
  border: 1px solid var(--line);
  background: var(--raised);
  padding: 24px;
  max-width: var(--measure);
}

/* Resumo em inglês: presente para quem revisa o app, secundário para quem usa. */
.english h2 {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}

.english .callout p {
  font-size: 0.925rem;
}

.callout p:last-child {
  margin-bottom: 0;
}

/* ---------- documentos legais ---------- */

.doc {
  padding-block: 64px 24px;
  border-bottom: 0;
}

.doc-head {
  max-width: var(--measure);
  margin-bottom: 48px;
}

.doc-head h1 {
  max-width: none;
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
  margin-bottom: 12px;
}

.doc-dates {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-3);
  margin: 0;
}

.doc article {
  max-width: var(--measure);
}

.doc h2 {
  font-size: 1.05rem;
  margin: 44px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.doc h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.doc h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 24px 0 8px;
}

.doc p,
.doc li {
  color: var(--ink-2);
}

.doc strong {
  color: var(--ink);
  font-weight: 600;
}

.doc ul,
.doc ol {
  padding-left: 20px;
}

.doc li {
  margin-bottom: 8px;
}

.doc dl {
  margin: 0;
}

.doc dt {
  color: var(--ink);
  font-weight: 600;
  margin-top: 16px;
}

.doc dd {
  margin: 4px 0 0;
  color: var(--ink-2);
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--ink);
}

/* ---------- rodapé ---------- */

footer.site {
  padding-block: 40px 56px;
  color: var(--ink-3);
  font-size: 14px;
}

footer.site .shell {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  align-items: baseline;
}

footer.site nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

footer.site a {
  color: var(--ink-2);
  text-decoration: none;
}

footer.site a:hover {
  color: var(--ink);
}

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