/* Litho Formas — folha de estilos unica. Sem frameworks, sem dependencias externas. */

:root {
  --azul: #0b71bc;
  --azul-escuro: #06548a;
  --azul-claro: #e8f2fa;
  --tinta: #16202b;
  --tinta-suave: #55636f;
  --linha: #e2e8ed;
  --fundo: #ffffff;
  --fundo-alt: #f6f9fb;
  --raio: 10px;
  --wrap: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--fundo);
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 20px; }

a { color: var(--azul); }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--azul); color: #fff; padding: 10px 16px; z-index: 100;
}
.skip:focus { left: 0; }

:focus-visible { outline: 3px solid var(--azul); outline-offset: 2px; border-radius: 4px; }

/* ---------- Topo ---------- */

.topo {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--linha);
}

.topo-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 72px; flex-wrap: wrap;
}

.marca { display: inline-flex; line-height: 0; }
.marca img { height: 34px; width: auto; }

.topo nav { display: flex; gap: 6px; flex-wrap: wrap; }

.topo nav a {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--tinta-suave);
  text-decoration: none;
  transition: background-color .15s, color .15s;
}
.topo nav a:hover { background: var(--azul-claro); color: var(--azul); }
.topo nav a.ativo { background: var(--azul); color: #fff; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: #06548a url("/assets/img/hero.png") center / cover no-repeat;
  color: #fff;
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(115deg, rgba(6, 60, 100, .92) 0%, rgba(11, 113, 188, .72) 55%, rgba(11, 113, 188, .45) 100%);
}

.hero-inner { padding-block: clamp(72px, 12vw, 140px); max-width: 720px; }

.sobretitulo {
  margin: 0 0 12px;
  font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255, 255, 255, .85);
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(38px, 6.5vw, 62px);
  line-height: 1.05;
  letter-spacing: -.02em;
  font-weight: 700;
}

.hero .lead { margin: 0 0 32px; font-size: clamp(18px, 2.4vw, 23px); color: rgba(255, 255, 255, .92); }

/* ---------- Botoes ---------- */

.botao {
  display: inline-block;
  background: #fff; color: var(--azul);
  padding: 13px 26px;
  border-radius: var(--raio);
  font-weight: 600; font-size: 16px;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 2px 10px rgba(0, 0, 0, .12);
}
.botao:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0, 0, 0, .18); }

.cta .botao { background: var(--azul); color: #fff; white-space: nowrap; }

/* ---------- Seccoes ---------- */

.seccao { padding-block: clamp(56px, 8vw, 84px); }

h2 {
  margin: 0 0 24px;
  font-size: clamp(26px, 3.6vw, 34px);
  letter-spacing: -.015em;
  line-height: 1.2;
}

.texto p { margin: 0 0 18px; color: #2c3a47; max-width: 72ch; }
.texto p:last-child { margin-bottom: 0; }

.cta {
  display: flex; align-items: center; justify-content: space-between;
  gap: 28px; flex-wrap: wrap;
  background: var(--fundo-alt);
  border: 1px solid var(--linha);
  border-radius: 14px;
  padding: 32px;
  margin-bottom: clamp(56px, 8vw, 84px);
}
.cta h2 { margin: 0 0 6px; font-size: 24px; }
.cta p { margin: 0; color: var(--tinta-suave); max-width: 52ch; }

/* ---------- Pagina de documentos ---------- */

.cabecalho-pagina { padding-block: clamp(44px, 6vw, 68px) 28px; }
.cabecalho-pagina h1 {
  margin: 0 0 12px;
  font-size: clamp(32px, 5vw, 46px);
  letter-spacing: -.02em;
  line-height: 1.12;
}
.cabecalho-pagina .lead { margin: 0; font-size: 18px; color: var(--tinta-suave); max-width: 68ch; }

.indice {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--linha);
  margin-bottom: 8px;
}
.indice a {
  padding: 7px 15px;
  border: 1px solid var(--linha);
  border-radius: 999px;
  font-size: 14px; font-weight: 600;
  color: var(--tinta-suave);
  text-decoration: none;
  transition: all .15s;
}
.indice a:hover { border-color: var(--azul); color: var(--azul); background: var(--azul-claro); }

.ano { padding-block: 40px 8px; }

.ano h2 {
  margin: 0 0 6px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--azul);
  display: inline-block;
}

.nota { margin: 0 0 8px; color: var(--tinta-suave); font-size: 15px; max-width: 70ch; }

.categoria { margin-top: 26px; }

.categoria h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--azul);
}

.docs { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }

.docs a {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  background: var(--fundo);
  text-decoration: none;
  color: var(--tinta);
  transition: border-color .15s, background-color .15s, transform .15s;
}
.docs a:hover {
  border-color: var(--azul);
  background: var(--azul-claro);
  transform: translateX(2px);
}

.ico {
  flex: 0 0 22px; width: 22px; height: 22px;
  fill: none; stroke: var(--azul); stroke-width: 1.6;
  stroke-linecap: round; stroke-linejoin: round;
}

.nome { flex: 1 1 auto; font-weight: 500; line-height: 1.4; }

.meta {
  flex: 0 0 auto;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--tinta-suave);
  white-space: nowrap;
}

/* ---------- Rodape ---------- */

.rodape {
  margin-top: clamp(56px, 8vw, 90px);
  border-top: 1px solid var(--linha);
  background: var(--fundo-alt);
}
.rodape-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding-block: 28px;
}
.rodape p { margin: 0; font-size: 15px; color: var(--tinta-suave); }
.rodape .copy { font-size: 14px; }

/* ---------- Ecras pequenos ---------- */

@media (max-width: 640px) {
  body { font-size: 16px; }
  .topo-inner { min-height: 64px; padding-block: 10px; }
  .docs a { flex-wrap: wrap; gap: 8px 12px; }
  .nome { flex-basis: calc(100% - 36px); }
  .meta { margin-left: 36px; }
  .cta { padding: 24px; }
  .cta .botao { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

@media print {
  .topo, .indice, .skip, .hero { display: none; }
  .docs a { border: none; padding: 4px 0; }
  .meta { display: none; }
}

/* ---------- Pagina 404 ---------- */

.erro { text-align: center; max-width: 640px; }

.erro .codigo {
  margin: 0;
  font-size: clamp(64px, 14vw, 104px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--azul-claro);
}

.erro h1 {
  margin: -8px 0 12px;
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: -.02em;
}

.erro .lead { margin: 0 0 28px; color: var(--tinta-suave); font-size: 18px; }

.erro .accoes {
  margin: 0;
  display: flex; flex-wrap: wrap; gap: 12px 24px;
  align-items: center; justify-content: center;
}

.erro .botao { background: var(--azul); color: #fff; }

.erro .secundario { font-weight: 600; color: var(--tinta-suave); text-decoration: none; }
.erro .secundario:hover { color: var(--azul); text-decoration: underline; }