/* Aprisco PR-01 — folha de estilo do site
   Papel, tinta e uma única cor de destaque. Réguas finas em vez de sombras. */

:root {
  --paper: #f4f3ee;
  --surface: #fbfaf6;
  --ink: #1d1d1b;
  --ink-2: #474641;
  --muted: #77756e;
  --rule: #d7d4c9;
  --rule-strong: #1d1d1b;
  --accent: #2f5b3a;
  --accent-ink: #ffffff;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --wrap: 1120px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #151514;
    --surface: #1c1c1a;
    --ink: #ebeae4;
    --ink-2: #c3c1b9;
    --muted: #96948b;
    --rule: #34332f;
    --rule-strong: #ebeae4;
    --accent: #8fbf98;
    --accent-ink: #10140f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* ---------- faixa institucional ---------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.masthead .wrap {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.masthead a { text-decoration: none; color: var(--ink); }
.masthead a:hover { color: var(--accent); }

/* ---------- tipografia ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}
h1, h2, h3 { font-weight: 600; letter-spacing: -0.01em; margin: 0; }
h1 { font-size: clamp(34px, 5.2vw, 58px); line-height: 1.04; letter-spacing: -0.025em; }
h2 { font-size: 22px; line-height: 1.25; }
h3 { font-size: 17px; }
.lead { font-size: 19px; color: var(--ink-2); max-width: 58ch; margin: 20px 0 0; }

/* ---------- abertura ---------- */
.intro { padding: 64px 0 40px; }
.credits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 44px 0 0;
  border-top: 1px solid var(--rule-strong);
}
.credits div { padding: 14px 20px 0 0; }
.credits dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.credits dd { margin: 6px 0 0; font-size: 15px; }

/* ---------- prancha ---------- */
.sheet { margin: 24px 0 0; }
.sheet-frame {
  display: block;
  background: #fff;
  border: 1px solid var(--rule);
  padding: 10px;
  transition: border-color 0.15s;
}
.sheet-frame:hover { border-color: var(--ink); }
.sheet figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 14px;
  font-size: 14px;
  color: var(--muted);
}
.actions { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font: 500 14px/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.15s, color 0.15s;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn .fmt { font-family: var(--mono); font-size: 11px; opacity: 0.7; }

/* ---------- seções ---------- */
.section { padding: 56px 0 8px; }
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--rule-strong);
  padding-bottom: 12px;
}
.section-head .eyebrow { margin: 0; }

/* lista de documentos */
.docs { list-style: none; margin: 0; padding: 0; }
.docs li { border-bottom: 1px solid var(--rule); }
.docs a {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto 24px;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0;
  text-decoration: none;
}
.docs .num { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.docs h3 { font-size: 19px; }
.docs p { margin: 4px 0 0; color: var(--ink-2); font-size: 15px; }
.docs .tags { font-family: var(--mono); font-size: 12px; color: var(--muted); white-space: nowrap; }
.docs .arrow { font-family: var(--mono); color: var(--muted); transition: transform 0.15s; }
.docs a:hover h3 { color: var(--accent); }
.docs a:hover .arrow { transform: translateX(4px); color: var(--accent); }

/* dados do projeto */
.data {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 48px;
  margin: 0;
}
.data div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
}
.data dt { color: var(--ink-2); font-size: 15px; }
.data dd { margin: 0; font-family: var(--mono); font-size: 14px; text-align: right; }
.data dd small { display: block; color: var(--muted); font-size: 12px; }

/* ---------- rodapé ---------- */
.foot {
  margin-top: 72px;
  border-top: 1px solid var(--rule);
  padding: 24px 0 40px;
  font-size: 13px;
  color: var(--muted);
}
.foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.foot strong { color: var(--ink); font-weight: 500; }

/* ---------- artigo (guia) ---------- */
.article { padding: 48px 0 0; }
.article-body { max-width: 760px; }
.article-body h1 { font-size: clamp(30px, 4.2vw, 44px); }
.article-body h2 {
  margin: 56px 0 16px;
  padding-top: 14px;
  border-top: 1px solid var(--rule-strong);
}
.article-body h3 { margin: 32px 0 8px; }
.article-body p, .article-body li { color: var(--ink-2); }
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body hr { display: none; }
.article-body ol, .article-body ul { padding-left: 22px; }
.article-body li { margin: 6px 0; }
.article-body .meta {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  border-left: 2px solid var(--rule);
  padding-left: 14px;
  margin: 20px 0 0;
}
.article-body .meta p { margin: 2px 0; color: var(--muted); }

.table-wrap { overflow-x: auto; margin: 16px 0 8px; border-top: 1px solid var(--rule-strong); }
.article-body table { width: 100%; border-collapse: collapse; font-size: 14px; }
.article-body th {
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--rule);
}
.article-body td {
  padding: 10px 12px 10px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  color: var(--ink-2);
}

.steps { counter-reset: step; list-style: none; padding: 0 !important; margin: 16px 0; }
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 40px 1fr;
  padding: 10px 0;
  margin: 0 !important;
  border-bottom: 1px solid var(--rule);
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
  padding-top: 2px;
}

.callout {
  border-left: 3px solid var(--accent);
  background: var(--surface);
  padding: 14px 18px;
  margin: 20px 0;
}
.callout-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 4px !important;
}
.callout p { margin: 0; }

.article-body blockquote {
  margin: 12px 0;
  padding: 0 0 0 16px;
  border-left: 2px solid var(--rule);
}

.back { font-family: var(--mono); font-size: 13px; text-decoration: none; color: var(--muted); }
.back:hover { color: var(--accent); }

/* ---------- responsivo ---------- */
@media (max-width: 820px) {
  .credits { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .credits div { padding-bottom: 14px; }
  .data { grid-template-columns: 1fr; }
  .docs a { grid-template-columns: 40px minmax(0, 1fr) 20px; }
  .docs .tags { grid-column: 2; grid-row: 2; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .masthead .wrap { flex-direction: column; gap: 4px; }
  .intro { padding: 40px 0 24px; }
  .credits { grid-template-columns: 1fr; }
  .lead { font-size: 17px; }
  .sheet-frame { padding: 4px; }
}

@media print {
  .masthead, .actions, .foot { display: none; }
  body { background: #fff; }
}