/* Webflag — site estático, sem dependências externas. */
:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --ink: #16181d;
  --muted: #5a5f6b;
  --line: #e4e5e9;
  --accent: #0b4a8b;      /* azul do pássaro do logo */
  --accent-ink: #ffffff;
  --brand: #c2447a;       /* magenta do mastro */
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --ink: #e9eaee;
    --muted: #a3a8b4;
    --line: #2a2e37;
    --accent: #8db6ec;
    --accent-ink: #0f1115;
    --brand: #e07aa6;
    --shadow: none;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 100%/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  border-top: 4px solid var(--brand);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }

/* Cabeçalho */
.top { padding: 20px 0; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand img { width: 36px; height: 36px; border-radius: 50%; }
.nav { display: flex; gap: 18px; font-size: .95rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }

/* Abertura */
.intro { padding: 40px 0 8px; }
.intro h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); line-height: 1.2; margin: 0 0 12px; letter-spacing: -.02em; }
.intro p { color: var(--muted); max-width: 60ch; margin: 0; font-size: 1.05rem; }

/* Seções */
section { padding: 36px 0 8px; }
h2 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 16px; font-weight: 600; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); gap: 16px; list-style: none; padding: 0; margin: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.card-head { display: flex; align-items: center; gap: 12px; }
.card-head img, .card-head .ph { width: 44px; height: 44px; border-radius: 10px; object-fit: contain; background: var(--bg); border: 1px solid var(--line); flex: none; }
.card-head img { background: #ffffff; } /* logos de terceiros legíveis também no modo escuro */
.grid-topo { align-items: start; }
.card-head .ph { display: grid; place-items: center; font-weight: 700; color: var(--muted); }
.card h3 { margin: 0; font-size: 1.08rem; line-height: 1.3; }
.tag { display: block; font-size: .8rem; color: var(--muted); }
.card p { margin: 0; color: var(--muted); }
.card .links { margin-top: auto; display: flex; flex-wrap: wrap; gap: 8px 16px; padding-top: 4px; }
.small { font-size: .88rem; color: var(--muted); }

.btn { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 9px 16px; border-radius: 999px; font-weight: 600; font-size: .95rem; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid currentColor; }

/* Contato */
.contact { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 6px; }
.contact p { margin: 0; }
.contact .lead { color: var(--ink); font-weight: 600; }

/* Rodapé */
footer { margin-top: 48px; padding: 24px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
footer p { margin: 4px 0; }

/* Páginas de texto (privacidade, 404) */
.doc { padding-top: 24px; }
.doc > * { max-width: 72ch; }
.doc h1 { font-size: 1.8rem; line-height: 1.25; margin: 0 0 8px; }
.doc h2 { text-transform: none; letter-spacing: 0; color: var(--ink); font-size: 1.15rem; margin: 28px 0 8px; }
.doc p, .doc li { color: var(--ink); }
.doc .meta { color: var(--muted); font-size: .9rem; }