/* Página Sobre: texto longo, coluna estreita, mesma paleta do site. */
.lang { display: flex; gap: 4px; padding: 3px; border: 1px solid #34312c; border-radius: 8px; }
.lang button { background: none; border: 0; border-radius: 6px; color: var(--dim); font: inherit; font-size: 13px; padding: 4px 10px; min-height: 32px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: #2a2823; color: var(--strong); }

.about { max-width: 880px; margin: 0 auto; padding: 56px 32px 64px; display: flex; flex-direction: column; gap: 48px; font-size: 16px; line-height: 1.65; }
.about section { display: flex; flex-direction: column; gap: 14px; }
.about h1 { margin: 0; font-size: 40px; line-height: 1.15; color: var(--strong); font-weight: 600; }
.about h2 { margin: 0; font-size: 24px; color: var(--strong); font-weight: 600; }
.about p { margin: 0; }
.about b { color: var(--strong); }
.kicker { font-size: 13px; letter-spacing: .06em; color: var(--dim); }
.lead { font-size: 18px; color: #c9c5bc; }
.sign { color: var(--dim); font-style: italic; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding-top: 8px; }
.stat { padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); display: flex; flex-direction: column; gap: 2px; font-size: 13px; color: var(--dim); line-height: 1.35; }
.stat .num { font-family: var(--mono); font-size: 24px; color: var(--strong); }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; font-size: 14px; line-height: 1.55; }
.card-t { padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); display: flex; flex-direction: column; gap: 6px; }
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; font-size: 15px; }
.timeline li { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 16px; }
.timeline li span:first-child { color: var(--dim); font-family: var(--mono); font-size: 13px; padding-top: 2px; }
.ctas { flex-direction: row !important; flex-wrap: wrap; gap: 12px !important; }
.ctas a { padding: 10px 16px; border-radius: 8px; border: 1px solid #34312c; }
.ctas a.primary { background: #2c3a2a; border-color: #3d5139; color: var(--strong); }

@media (max-width: 860px) {
  .about { padding: 32px 16px 40px; gap: 36px; font-size: 15px; }
  .about h1 { font-size: 28px; }
  .lead { font-size: 16px; }
  .stats, .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline li { grid-template-columns: 64px minmax(0, 1fr); gap: 10px; }
}
@media (max-width: 420px) {
  .cards { grid-template-columns: minmax(0, 1fr); }
}

/* Para devs: o método */
.about code { font-family: var(--mono); font-size: .9em; color: var(--strong); }
.rules { margin: 4px 0 0; padding: 0; list-style: none; counter-reset: rule; display: flex; flex-direction: column; gap: 14px; }
.rules li { counter-increment: rule; display: grid; grid-template-columns: 32px minmax(0, 1fr); column-gap: 12px; }
.rules li::before { content: counter(rule, decimal-leading-zero); grid-row: span 2; font-family: var(--mono); font-size: 13px; color: var(--dim); padding-top: 3px; }
.rules li span { grid-column: 2; }
.conclusion { margin-top: 12px; padding: 20px 22px; border: 1px solid var(--line); border-left: 3px solid #3d5139; border-radius: 8px; background: var(--panel); display: flex; flex-direction: column; gap: 12px; }
.conclusion h3 { margin: 0; font-size: 18px; color: var(--strong); font-weight: 600; }
@media (max-width: 860px) {
  .rules li { grid-template-columns: 26px minmax(0, 1fr); column-gap: 8px; }
  .conclusion { padding: 16px; }
}

/* barra fixa das seções */
.sections { position: sticky; top: 0; z-index: 5; display: flex; justify-content: center; gap: 4px; padding: 8px 16px; background: rgba(22, 21, 18, .94); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.sections::-webkit-scrollbar { display: none; }
.sections a { flex: none; padding: 6px 12px; border-radius: 6px; font-size: 13px; color: #b9b5ac; white-space: nowrap; }
.sections a:hover { color: var(--strong); }
.sections a[aria-current="true"] { background: #2a2823; color: var(--strong); }
.about section[id] { scroll-margin-top: 64px; }
html { scroll-behavior: smooth; }

/* régua de qualidade */
.sub-h { margin: 12px 0 0; font-size: 18px; color: var(--strong); font-weight: 600; }
.pipeline { margin: 0; padding: 0; list-style: none; counter-reset: step; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
.pipeline li { counter-increment: step; display: grid; grid-template-columns: 28px 170px minmax(0, 1fr); gap: 8px; padding: 10px 14px; border-top: 1px solid var(--line-soft); font-size: 14px; }
.pipeline li:first-child { border-top: 0; }
.pipeline li::before { content: counter(step); font-family: var(--mono); font-size: 13px; color: var(--dim); padding-top: 1px; }
.note { font-size: 13px; color: var(--dim); }
@media (max-width: 860px) {
  .sections { justify-content: flex-start; padding: 8px 12px; }
  .pipeline li { grid-template-columns: 22px minmax(0, 1fr); }
  .pipeline li span { grid-column: 2; }
}