/* ───────────────────────────────────────────────────────────────────────
   FiscalSpace — site institucional + documentação
   Identidade da própria marca (logos/): navio noturno/espacial — navy quase
   preto, marca "FS" em gradiente azul com rastro de cometa, tagline
   "Inteligência fiscal que leva seu negócio mais longe." O tema escuro é o
   padrão (é a marca, não uma preferência de SO); claro é uma opção no toggle.
   ─────────────────────────────────────────────────────────────────────── */

:root {
  --paper: #0a0e1a;
  --paper-raised: #131a2c;
  --ink: #eef1f7;
  --ink-soft: #a7b0c5;
  --ink-faint: #6b7690;
  --line: #232c42;
  --line-strong: #34405e;
  --stamp: #4c86ff;
  --stamp-soft: #16223f;
  --stamp-ink: #cfe0ff;

  --status-pendente: #d99a2b;
  --status-processando: #4c86ff;
  --status-autorizada: #2fa96a;
  --status-rejeitada: #e0554a;

  /* Blocos de código: fundo sempre escuro, independente do tema (não usar --ink,
     que inverte no dark mode e derrubaria o contraste do texto claro fixo). */
  --code-bg: #0a0e1a;
  --code-fg: #dbe4f5;

  --font-display: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;

  --measure: 720px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 8px 28px -12px rgba(0, 0, 0, 0.6);
}

:root[data-theme="light"] {
  --paper: #f2f4f8;
  --paper-raised: #ffffff;
  --ink: #10151f;
  --ink-soft: #4a5568;
  --ink-faint: #7d8aa3;
  --line: #dde3ee;
  --line-strong: #c3cbdb;
  --stamp: #2f6fed;
  --stamp-soft: #e7eefe;
  --stamp-ink: #163d99;
  --shadow: 0 1px 2px rgba(16, 21, 31, 0.05), 0 8px 24px -12px rgba(16, 21, 31, 0.14);
}

* { box-sizing: border-box; }
html { color-scheme: light dark; }

body {
  margin: 0;
  background:
    radial-gradient(ellipse 900px 520px at 12% -12%, color-mix(in srgb, var(--stamp) 20%, transparent), transparent 60%),
    radial-gradient(ellipse 700px 460px at 92% 4%, color-mix(in srgb, var(--stamp) 12%, transparent), transparent 60%),
    var(--paper);
  background-repeat: no-repeat;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--stamp); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--stamp);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ─── Top nav ─────────────────────────────────────────────────────────── */

.topnav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.topnav .container { display: flex; align-items: center; gap: 24px; height: 60px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.brand .brand-space { color: var(--stamp); }

.topnav-links { display: flex; gap: 4px; margin-left: auto; }
.topnav-links a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  padding: 8px 12px;
  border-radius: 7px;
}
.topnav-links a:hover { color: var(--ink); background: var(--line); text-decoration: none; }
.topnav-links a.active { color: var(--stamp); }

.theme-toggle {
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
  color: var(--ink-soft);
  border-radius: 7px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-size: 0.95rem;
}
.theme-toggle:hover { color: var(--ink); }

.nav-toggle {
  display: none;
  border: 1px solid var(--line-strong);
  background: var(--paper-raised);
  border-radius: 7px;
  width: 34px;
  height: 34px;
  cursor: pointer;
  color: var(--ink);
}

/* ─── Hero ────────────────────────────────────────────────────────────── */

.hero { padding: 76px 0 64px; }
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 4.4vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  max-width: 16ch;
}
.hero .lede {
  font-size: 1.14rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 56px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--stamp); color: #fff; }
.btn-primary:hover { background: var(--stamp-ink); text-decoration: none; }
.btn-ghost { background: var(--paper-raised); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--ink-faint); text-decoration: none; }

/* ─── Signature element: ciclo de vida do documento fiscal ──────────────── */

.doc-strip {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 24px 24px;
  max-width: 620px;
}
.doc-strip-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 14px;
}
.doc-status-track { display: flex; align-items: center; gap: 0; margin-bottom: 18px; }
.doc-status-pill {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  color: var(--ink-faint);
  transition: color .4s, border-color .4s, background-color .4s;
}
.doc-status-pill.is-active {
  color: #fff;
  border-color: transparent;
}
.doc-status-pill[data-status="PENDENTE"].is-active { background: var(--status-pendente); }
.doc-status-pill[data-status="PROCESSANDO"].is-active { background: var(--status-processando); }
.doc-status-pill[data-status="AUTORIZADA"].is-active { background: var(--status-autorizada); }
.doc-status-arrow { color: var(--line-strong); margin: 0 8px; font-family: var(--font-mono); }

.doc-key {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  word-spacing: 0.3em;
  border-top: 1px dashed var(--line-strong);
  padding-top: 14px;
}
.doc-key .grp { color: var(--stamp); }
.doc-key .grp.dim { color: var(--ink-faint); }

/* ─── Feature grid ────────────────────────────────────────────────────── */

.section { padding: 56px 0; }
.section-head { max-width: 60ch; margin-bottom: 36px; }
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--stamp);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 0 0 10px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 0 0 8px;
}
.section-head p { color: var(--ink-soft); margin: 0; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-card { background: var(--paper-raised); padding: 24px; }
.feature-card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--stamp);
  background: var(--stamp-soft);
  padding: 2px 8px;
  border-radius: 5px;
  margin-bottom: 12px;
}
.feature-card h3 { font-size: 1.02rem; margin: 0 0 8px; }
.feature-card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* ─── Stack manifest ──────────────────────────────────────────────────── */

.stack-manifest {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.9;
  box-shadow: var(--shadow);
}
.stack-manifest .k { color: var(--ink-faint); }
.stack-manifest .v { color: var(--ink); }
.stack-row { display: flex; gap: 10px; }
.stack-row .k { width: 132px; flex: none; }

/* ─── Docs CTA band ───────────────────────────────────────────────────── */

.docs-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.docs-band h2 { font-family: var(--font-display); margin: 0 0 6px; font-size: 1.5rem; }
.docs-band p { margin: 0; color: color-mix(in srgb, var(--paper) 70%, transparent); }
.docs-band .btn-primary { background: var(--stamp); }

footer.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  color: var(--ink-faint);
  font-size: 0.88rem;
}
footer.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
footer.site-footer a { color: var(--ink-soft); }
footer.site-footer .footer-logo { height: 34px; width: auto; border-radius: 6px; }

/* ─── Docs layout ─────────────────────────────────────────────────────── */

.docs-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, var(--measure)) 200px;
  gap: 40px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 24px 80px;
  align-items: start;
}

.docs-sidebar {
  position: sticky;
  top: 76px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  padding-right: 8px;
}
.docs-nav-group { margin-bottom: 22px; }
.docs-nav-group-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin-bottom: 8px;
}
.docs-nav-group a {
  display: block;
  color: var(--ink-soft);
  font-size: 0.9rem;
  padding: 5px 10px;
  border-radius: 6px;
  border-left: 2px solid transparent;
}
.docs-nav-group a:hover { background: var(--line); text-decoration: none; }
.docs-nav-group a.active {
  color: var(--stamp);
  border-left-color: var(--stamp);
  background: var(--stamp-soft);
  font-weight: 600;
}

.docs-content { min-width: 0; }
.docs-content h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 0 0 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.docs-content h2 { font-family: var(--font-display); font-size: 1.4rem; margin: 40px 0 14px; }
.docs-content h3 { font-size: 1.12rem; margin: 28px 0 10px; }
.docs-content h4 { font-size: 1rem; margin: 22px 0 8px; color: var(--ink-soft); }
.docs-content p { margin: 0 0 16px; color: var(--ink); }
.docs-content ul, .docs-content ol { margin: 0 0 16px; padding-left: 22px; }
.docs-content li { margin-bottom: 6px; }
.docs-content li > ul, .docs-content li > ol { margin-top: 6px; }
.docs-content blockquote {
  margin: 0 0 16px;
  padding: 10px 16px;
  border-left: 3px solid var(--stamp);
  background: var(--stamp-soft);
  border-radius: 0 6px 6px 0;
  color: var(--ink-soft);
}
.docs-content blockquote p { margin: 0; color: inherit; }
.docs-content hr { border: none; border-top: 1px solid var(--line); margin: 32px 0; }
.docs-content code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--stamp-soft);
  color: var(--stamp-ink);
  padding: 1px 5px;
  border-radius: 4px;
}
.docs-content pre {
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 20px;
  font-size: 0.86rem;
  line-height: 1.55;
}
.docs-content pre code { background: none; color: inherit; padding: 0; border-radius: 0; }
.docs-content .table-wrap { overflow-x: auto; margin: 0 0 20px; }
.docs-content table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
.docs-content th, .docs-content td {
  border: 1px solid var(--line);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
.docs-content th { background: var(--paper-raised); font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--ink-faint); }
.docs-content a.md-link { font-weight: 600; }

.docs-toc { position: sticky; top: 76px; font-size: 0.85rem; }
.docs-toc-title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-faint);
  margin-bottom: 10px;
}
.docs-toc a { display: block; color: var(--ink-soft); padding: 3px 0; border-left: 2px solid transparent; padding-left: 10px; }
.docs-toc a.toc-h3 { padding-left: 20px; font-size: 0.82rem; }
.docs-toc a.active { color: var(--stamp); border-left-color: var(--stamp); }
.docs-toc a:hover { color: var(--ink); text-decoration: none; }

.docs-loading, .docs-error { color: var(--ink-faint); padding: 40px 0; }
.docs-error { color: var(--status-rejeitada); }

/* ─── Responsivo ──────────────────────────────────────────────────────── */

@media (max-width: 980px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .docs-shell { grid-template-columns: minmax(0, 1fr); }
  .docs-sidebar { position: static; max-height: none; }
  .docs-toc { display: none; }
}

@media (max-width: 640px) {
  .topnav-links { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .topnav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    margin-left: 0;
  }
  .feature-grid { grid-template-columns: 1fr; }
  .doc-status-track { flex-wrap: wrap; row-gap: 8px; }
  .docs-band { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}