/* ============================================================
   VALE ESSA IA? — sistema visual
   Papel frio, Bitter nos titulos, Archivo no corpo.
   A identidade e o selo de veredito: vale / nao vale / testando.
   ============================================================ */

:root {
  --paper: #F7F8FA;
  --surface: #FFFFFF;
  --ink: #14181F;
  --body: #3A424E;
  --muted: #69727F;
  --line: #E1E5EB;
  --line-soft: #EDF0F4;

  --brand: #24406E;
  --brand-dark: #172C4E;
  --brand-soft: #E8EDF6;

  --vale: #1B6B4C;
  --vale-soft: #E4F0EA;
  --naovale: #A32D26;
  --naovale-soft: #F8E7E5;
  --testando: #8A5A18;
  --testando-soft: #F7EFE1;

  --serif: "Bitter", Georgia, "Times New Roman", serif;
  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --gutter: 80px;
  --maxw: 1060px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0; background: var(--paper); color: var(--body);
  font-family: var(--sans); font-size: 16.5px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
p, ul, ol { margin: 0; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 2px;
}

h1, h2, h3 { margin: 0; color: var(--ink); font-family: var(--serif); font-weight: 600; }
h1 { font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.2; letter-spacing: -0.015em; text-wrap: balance; }
h3 { font-size: 1.15rem; line-height: 1.35; }
strong, b { font-weight: 600; }

.skip-link { position: absolute; left: -9999px; background: var(--brand); color: #fff; padding: 12px 20px; }
.skip-link:focus { left: 0; top: 0; z-index: 100; color: #fff; }

/* ---------- layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }
.measure { max-width: 640px; }
section { padding-block: 76px; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }
.stack { display: flex; flex-direction: column; }
.grid-12 { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 52px; }
.col-5 { grid-column: span 5; }
.col-7 { grid-column: span 7; }

.label { font-size: .72rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); }
.lede { font-size: 1.17rem; line-height: 1.6; }
.small { font-size: .88rem; line-height: 1.65; color: var(--muted); }
.small-ink { color: var(--body); }

/* ---------- selo de veredito: o elemento de marca ---------- */
.selo {
  display: inline-flex; align-items: center; gap: 8px;
  align-self: flex-start; /* nao estica quando e filho de container flex-column */
  font-size: .74rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 2px; white-space: nowrap;
}
.selo::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; flex: none; }
.selo-vale     { color: var(--vale);     background: var(--vale-soft); }
.selo-naovale  { color: var(--naovale);  background: var(--naovale-soft); }
.selo-testando { color: var(--testando); background: var(--testando-soft); }

/* ---------- divulgacao ---------- */
.disclosure-bar {
  background: var(--brand-soft); border-bottom: 1px solid #D3DDEE;
  padding: 11px var(--gutter); font-size: .82rem; line-height: 1.5;
  color: #23375C; text-align: center;
}
.disclosure-bar b { color: var(--brand); font-weight: 600; }

/* ---------- header ---------- */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.head-in {
  max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter);
  min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 30px;
}
.brand-mark {
  font-family: var(--serif); font-size: 1.32rem; font-weight: 600;
  color: var(--ink); letter-spacing: -0.01em;
}
.brand-mark .q { color: var(--brand); }
.brand-mark:hover { color: var(--ink); }
.main-nav { display: flex; gap: 26px; font-size: .88rem; font-weight: 500; }
.main-nav a { color: var(--body); }
.main-nav a:hover { color: var(--brand); }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--line);
  font-family: var(--sans); font-size: .82rem; font-weight: 600; color: var(--ink);
  padding: 8px 14px; border-radius: 2px; cursor: pointer;
}

/* ---------- botoes ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: .91rem; font-weight: 600;
  padding: 13px 24px; border-radius: 2px; border: 1px solid var(--brand);
  min-height: 46px; cursor: pointer; text-align: center;
}
.btn-solid { background: var(--brand); color: #fff; }
.btn-solid:hover { background: var(--brand-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--brand); }
.btn-ghost:hover { background: var(--brand-soft); color: var(--brand-dark); }
.btn-sm { padding: 9px 17px; font-size: .82rem; min-height: 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

/* ---------- blocos ---------- */
.entry { border-top: 1px solid var(--line); padding-block: 24px; display: flex; flex-direction: column; gap: 9px; }
.entry-last { border-bottom: 1px solid var(--line); }
.numbered { display: flex; gap: 18px; border-top: 1px solid var(--line); padding-block: 24px; }
.numbered .n { font-family: var(--serif); font-size: 1rem; color: var(--brand); }
.band { background: var(--surface); border-block: 1px solid var(--line); }
.pullbox { border-left: 2px solid var(--brand); padding: 2px 0 2px 18px; }

.card-review {
  background: var(--surface); border: 1px solid var(--line); border-radius: 3px;
  padding: 22px 24px; display: flex; flex-direction: column; gap: 12px;
}

/* ---------- link na bio ---------- */
.linkbio { max-width: 460px; margin: 0 auto; padding: 44px 22px 40px; display: flex; flex-direction: column; gap: 24px; min-height: 100vh; }
.link-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 3px;
  padding: 18px 20px; min-height: 74px;
}
.link-row:hover { border-color: var(--brand); }
.link-row .t { display: block; font-size: .97rem; font-weight: 600; color: var(--ink); line-height: 1.35; }
.link-row .s { display: block; font-size: .79rem; line-height: 1.5; color: var(--muted); padding-top: 3px; }
.link-row .arrow { color: var(--brand); font-size: 1.05rem; flex: none; }
.avatar-mark {
  width: 56px; height: 56px; border: 1.5px solid var(--brand); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-size: 1.5rem; font-weight: 600; color: var(--brand);
}

/* ---------- rodape ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); padding-block: 48px 56px; }
.footer-cols { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 34px; }

/* ---------- responsivo ---------- */
@media (max-width: 900px) {
  :root { --gutter: 40px; }
  section { padding-block: 58px; }
  .grid-12 { grid-template-columns: 1fr; gap: 38px; }
  .col-5, .col-7 { grid-column: auto; }
}
@media (max-width: 680px) {
  :root { --gutter: 20px; }
  .disclosure-bar { padding-inline: 20px; font-size: .79rem; }
  .head-in { flex-wrap: wrap; padding-block: 14px; gap: 14px; }
  .menu-toggle { display: inline-flex; }
  .main-nav { display: none; order: 3; width: 100%; flex-direction: column; gap: 0; border-top: 1px solid var(--line); }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding-block: 13px; border-bottom: 1px solid var(--line-soft); }
  .header-cta { display: none; }
  .footer-cols { grid-template-columns: 1fr; gap: 20px; }
  .btn { width: 100%; }
  .btn-sm { width: auto; }
}
@media (max-width: 460px) {
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
}