/* ============================================================================
   VFC · Blog, Artigo e FAQ — layout. Depende de tokens.css + styles.css.
   Mantém a identidade blueprint (navy/cyan, Barlow, hairlines, cantos no hover).
   ========================================================================== */

/* ── Cabeçalho de seção do blog/faq ───────────────────────────────────────── */
.page-head { padding: clamp(32px,5vw,64px) clamp(22px,4vw,44px) clamp(20px,3vw,28px);
  border-bottom: 1px solid var(--frame-line); }
.page-head .kicker { color: var(--navy); }
.page-head h1 { font-size: clamp(30px,4.4vw,46px); margin: 12px 0 8px; }
.page-head p { color: var(--neutral-700); max-width: 62ch; margin: 0; font-size: 16px; }

/* ── Índice do blog: grade de cards ───────────────────────────────────────── */
.blog-list { padding: clamp(28px,4vw,48px) clamp(22px,4vw,44px); }
.post-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 18px; }
.post-card { position: relative; display: flex; flex-direction: column; overflow: hidden;
  background: color-mix(in srgb, var(--color-surface) 55%, var(--color-bg));
  border: 1px solid var(--color-divider); box-shadow: var(--shadow-sm);
  text-decoration: none; color: inherit;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease; }
.post-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--navy) 25%, transparent); }
.post-card:hover::before, .post-card:focus-visible::before { transform: scaleX(1); }
.post-card__body { padding: clamp(20px,2.4vw,26px); display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-card__meta { font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: .06em;
  text-transform: uppercase; color: var(--neutral-700); display: flex; gap: 12px; flex-wrap: wrap; }
.post-card__meta .cat { color: var(--navy); }
.post-card h2 { font-size: 21px; line-height: 1.12; margin: 0; color: var(--ink, var(--color-text)); }
.post-card__excerpt { font-size: 14.5px; color: var(--neutral-700); margin: 0; }
.post-card__more { margin-top: auto; font-family: var(--font-mono); font-size: var(--fs-mono);
  color: var(--navy); display: inline-flex; align-items: center; gap: 6px; }
.post-card:hover .post-card__more { color: var(--navy-hover); }

/* ── Paginação ────────────────────────────────────────────────────────────── */
.pager { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: center;
  padding: clamp(20px,3vw,32px); }
.pager a, .pager span { display: inline-flex; align-items: center; justify-content: center;
  min-width: 42px; min-height: 42px; padding: 0 12px; border: 1px solid var(--color-divider);
  font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 15px;
  text-decoration: none; color: var(--navy); background: var(--color-bg); border-radius: 0; }
.pager a:hover { background: color-mix(in srgb, var(--navy) 8%, transparent); }
.pager .current { background: var(--navy); border-color: var(--navy); color: #fff; }
.pager .disabled { opacity: .4; pointer-events: none; }

/* ── Artigo (post individual) ─────────────────────────────────────────────── */
.article { padding: clamp(28px,4vw,52px) clamp(22px,4vw,44px); }
.article__wrap { max-width: 720px; margin: 0 auto; }
.article__meta { font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: .06em;
  text-transform: uppercase; color: var(--neutral-700); display: flex; gap: 14px; flex-wrap: wrap;
  margin-bottom: 14px; }
.article__meta .cat { color: var(--navy); }
.article h1 { font-size: clamp(28px,4vw,42px); line-height: 1.06; margin: 0 0 20px; }
.article__body { font-size: 17px; line-height: 1.7; color: var(--neutral-800); }
.article__body > * + * { margin-top: 1em; }
.article__body p { max-width: none; }
.article__body h2 { font-size: clamp(22px,2.6vw,27px); color: var(--navy); margin-top: 1.6em; }
.article__body h3 { font-size: 20px; margin-top: 1.3em; }
.article__body ul, .article__body ol { padding-left: 1.3em; display: grid; gap: 8px; }
.article__body strong { color: var(--color-text); }
.article__body a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }

/* Caixa de fonte/crédito (obrigatória ao fim de cada post) */
.source-box { position: relative; margin-top: 40px; padding: 20px 22px;
  border: 1px solid var(--color-divider); background: color-mix(in srgb, var(--cyan) 6%, transparent); }
.source-box .c { position:absolute;width:9px;height:9px;color:var(--cyan) }
.source-box .c::before,.source-box .c::after{content:"";position:absolute;background:currentColor}
.source-box .c::before{left:3px;top:0;width:1px;height:100%}
.source-box .c::after{top:3px;left:0;width:100%;height:1px}
.source-box .c.tl{top:-5px;left:-5px}.source-box .c.br{bottom:-5px;right:-5px}
.source-box__label { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--navy); margin-bottom: 6px; }
.source-box p { margin: 0; font-size: 14px; color: var(--neutral-800); }
.source-box a { color: var(--navy); font-weight: 600; }

.article__cta { margin-top: 36px; padding: 24px; text-align: center;
  background: var(--hero-bg); color: #fff; }
.article__cta p { margin: 0 0 14px; color: var(--on-navy-soft); }
.article__back { display: inline-flex; align-items: center; gap: 8px; margin-top: 28px;
  font-family: var(--font-mono); font-size: var(--fs-mono); color: var(--navy); text-decoration: none; }
.article__back:hover { color: var(--navy-hover); }

/* ── FAQ ──────────────────────────────────────────────────────────────────── */
.faq { padding: clamp(28px,4vw,48px) clamp(22px,4vw,44px); }
.faq__wrap { max-width: 760px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--color-divider); background: var(--color-bg); }
.faq-item > summary { cursor: pointer; list-style: none; padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 18px;
  color: var(--navy); }
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::before { content: "+"; font-family: var(--font-mono); font-size: 20px;
  color: var(--cyan); flex: none; width: 20px; transition: transform .2s ease; }
.faq-item[open] > summary::before { content: "\2212"; }
.faq-item > summary:hover { background: color-mix(in srgb, var(--navy) 4%, transparent); }
.faq-answer { padding: 0 22px 20px 56px; }
.faq-answer p { margin: 0 0 .8em; font-size: 16px; line-height: 1.65; color: var(--neutral-800); }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.faq__foot { max-width: 760px; margin: 28px auto 0; text-align: center; }

@media (prefers-reduced-motion: reduce){ .post-card, .faq-item > summary::before { transition: none; } }

/* ── FAQ como seção da HOME (não página isolada) ──────────────────────────── */
#duvidas { border-bottom: 1px solid var(--frame-line); }
#duvidas .faq-head { padding: 0 0 clamp(18px,2.4vw,26px); border-bottom: 0; }
#duvidas .faq-head h2 { font-size: clamp(26px,3.2vw,38px); margin: 10px 0 8px; }
#duvidas .faq__wrap { max-width: 820px; margin-inline: auto; }
#duvidas .faq-item { background: color-mix(in srgb, var(--color-surface) 55%, var(--color-bg));
  box-shadow: var(--shadow-sm); transition: box-shadow .2s ease; }
#duvidas .faq-item:hover, #duvidas .faq-item[open] { box-shadow: var(--shadow-md); }