/* ==========================================================
   GTB Site — css/main.css  (non-critical, externo)
   Table of Contents:
   1. Section common
   2. Pillars
   3. Portfolio (tabs, grid hierárquico, bento, traveltech panel)
   4. Missão
   5. Quem Somos
   6. CTA
   7. Footer
   8. Fade-in / animações
   9. Media queries
      9a. ≤1100px  (portfolio grid)
      9b. ≤768px   (seções, pillars, missao, quem, cta, footer, port-tabs sticky)
      9c. ≤600px   (portfolio mobile + card stack)
      9d. ≤420px   (quem 1 coluna)
   ========================================================== */

/* ── 1. SECTION COMMON ─────────────────────────────────── */
.section { padding: 100px 24px; scroll-margin-top: 72px; }
.section-inner { max-width: 1200px; margin: 0 auto; }
/* content-visibility: pula render/paint de seções fora do viewport (Chrome/Edge/Safari 18+)
   Sem content-visibility em .portfolio: em conjunto com IO nos .port-card (stacking mobile) o
   conteúdo "skipped" pode atrasar layout/geometry e o observer nunca dispara → cards opacity:0. */
.quem, .missao, .cta-section, .footer { content-visibility: auto; contain-intrinsic-size: 1px 800px; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header h2 { font-size: clamp(1.5rem, 3vw, 2.4rem); font-weight: 800; color: #1a1a2e; margin-bottom: 12px; }
.section-header p { font-size: 1.05rem; color: #777; max-width: 600px; margin: 0 auto; line-height: 1.6; }

/* ── 2. PILLARS ────────────────────────────────────────── */
.pillars-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; scroll-margin-top: 80px; }
.pillar { position: relative; border-radius: 20px; overflow: hidden; min-height: 340px; display: flex; align-items: flex-end; transition: transform 0.3s var(--ease-spring), box-shadow 0.3s var(--ease-glass); border: 1px solid rgba(255,255,255,0.1); contain: layout style; }
.pillar:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,0.12); }
.pillar img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.pillar:hover img { transform: scale(1.04); transition: transform 0.35s var(--ease-glass); }
.pillar-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(26,26,46,0.85) 100%); }
.pillar-text { position: relative; z-index: 1; padding: 32px; color: #fff; }
.pillar-text h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 6px; }
.pillar-text p { font-size: 0.9rem; color: rgba(255,255,255,0.85); line-height: 1.5; }
a.pillar { text-decoration: none; color: inherit; display: flex; align-items: flex-end; cursor: pointer; -webkit-tap-highlight-color: transparent; }

/* ── 3. PORTFOLIO GALLERY ──────────────────────────────── */
/* overflow: clip (não overflow: hidden) — hidden vira scroll container e quebra position:sticky dos .port-tabs no mobile.
   clip clippa igual sem virar scroll container. contain: paint reforça o clipping em browsers sem suporte a clip. */
.portfolio { background: linear-gradient(180deg, #f4f2fb 0%, #ece8f8 100%); position: relative; overflow: clip; contain: paint; }
/* Blobs decorativos sem filter: blur — o gradient radial sozinho já dá o efeito macio e custa zero. */
.portfolio::before, .portfolio::after { content: ''; position: absolute; border-radius: 50%; opacity: 0.6; pointer-events: none; z-index: 0; }
.portfolio::before { width: 380px; height: 380px; background: radial-gradient(circle, rgba(124,99,252,0.45), transparent 70%); top: -120px; left: -100px; }
.portfolio::after { width: 420px; height: 420px; background: radial-gradient(circle, rgba(167,139,250,0.4), transparent 70%); bottom: -160px; right: -120px; }
.portfolio .section-inner { position: relative; z-index: 1; }

/* Tabs */
.port-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 40px; padding: 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.88); border: 1px solid rgba(255, 255, 255, 0.55); box-shadow: var(--glass-shadow); width: fit-content; margin-left: auto; margin-right: auto; }
.port-tab { position: relative; background: transparent; color: #555; padding: 10px 22px; border-radius: 999px; font-size: 0.88rem; font-weight: 600; cursor: pointer; border: none; transition: color 0.3s var(--ease-glass), transform 0.3s var(--ease-spring); overflow: hidden; isolation: isolate; }
.port-tab::before { content: ''; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(135deg, #8a72ff, #6b52e7); opacity: 0; transform: scale(0.85); transition: opacity 0.35s var(--ease-glass), transform 0.45s var(--ease-spring); z-index: -1; }
.port-tab:hover { color: var(--primary); transform: translateY(-1px); }
.port-tab.is-active { color: #fff; }
.port-tab.is-active::before { opacity: 1; transform: scale(1); box-shadow: 0 8px 22px rgba(124, 99, 252, 0.4); }

/* Grid */
.port-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.port-grid.is-hero { grid-auto-rows: 100px; grid-auto-flow: dense; }

/* Cards */
.port-card { position: relative; background: rgba(255, 255, 255, 0.92); border-radius: 20px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.6); box-shadow: 0 6px 20px rgba(26, 26, 46, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.7); text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-glass); contain: layout style; }
.port-card:hover { transform: translateY(-6px); box-shadow: 0 22px 44px rgba(26, 26, 46, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.8); }
.port-card[hidden] { display: none !important; }
.port-card-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: #ece8f8; }
.port-card-img img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.4s var(--ease-glass); }
.port-card-img img.is-loaded { opacity: 1; }
.port-card-img.is-ready { background: #e8e4f5; }
.port-card:hover .port-card-img img.is-loaded { transform: scale(1.04); transition: transform 0.4s var(--ease-glass); }
.port-card-img--brand { display: flex; align-items: center; justify-content: center; padding: 28px; min-height: 140px; animation: none; }
.port-card-img--brand img { width: auto; height: 48px; object-fit: contain; }
.port-card-img--b2h-icon,
.port-card-img--b2h-icon.is-ready { background: linear-gradient(135deg, #1a1a2e, #2d1b69); animation: none; }
.port-card-img--b2h-icon img { width: auto; height: 64px; object-fit: contain; filter: none; }
.port-card-body { padding: 16px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.port-card h3 { font-size: 0.95rem; font-weight: 700; color: #1a1a2e; line-height: 1.3; }
.port-loc { font-size: 0.75rem; font-weight: 600; color: #7c63fc; margin-top: 4px; }
.port-card p { font-size: 0.82rem; color: #666; line-height: 1.5; margin-top: 8px; flex: 1; }
.port-visit { font-size: 0.78rem; font-weight: 600; color: #7c63fc; margin-top: 10px; display: inline-flex; align-items: center; gap: 4px; }
.port-badge { position: absolute; top: 10px; right: 10px; background: rgba(0,0,0,0.45); color: #fff; font-size: 0.7rem; font-weight: 600; padding: 4px 8px; border-radius: 6px; }

/* Hierarchical (hero) variants — só ativos quando .port-grid.is-hero */
.port-grid.is-hero .port-card { min-height: 0; }
.port-grid.is-hero .port-card-img { aspect-ratio: auto; flex: 1 1 auto; min-height: 0; }
.port-grid.is-hero .port-card-body { flex: 0 0 auto; }
/* Só filhos diretos do grid recebem células */
/* Cards pequenos: span 3 linhas (3×100 + 2×20gap = 340px), imagem padronizada em 180px */
.port-grid.is-hero > .port-card:not(.port-card--hero):not(.port-card--wide) { grid-row: span 3; }
.port-grid.is-hero > .port-card:not(.port-card--hero):not(.port-card--wide) .port-card-img { flex: 0 0 180px; height: 180px; }
.port-grid.is-hero > .port-card:not(.port-card--hero):not(.port-card--wide) .port-card-img--brand { padding: 24px; }
/* Hero: mantém 460px (4×100 + 3×20gap) */
.port-grid.is-hero > .port-card--hero { grid-column: span 2; grid-row: span 4; }
/* Hero à direita: mesma área que o hero, colunas 3–4 (1ª faixa) */
.port-grid.is-hero > .port-card--hero.port-card--hero-right { grid-column: 3 / span 2; grid-row: span 4; }
.port-grid.is-hero .port-card--hero.port-card--hero-right .port-card-img--b2h-icon { min-height: 220px; padding: 36px; }
.port-grid.is-hero .port-card--hero.port-card--hero-right .port-card-img--b2h-icon img { height: 88px; }
/* Wide: mantém 220px (2×100 + 1×20gap) */
.port-grid.is-hero > .port-card--wide { grid-column: span 2; grid-row: span 2; flex-direction: row; }
.port-grid.is-hero .port-card--hero h3 { font-size: 1.4rem; }
.port-grid.is-hero .port-card--hero p { font-size: 0.95rem; line-height: 1.55; }
.port-grid.is-hero .port-card--hero .port-loc { font-size: 0.82rem; }
.port-grid.is-hero .port-card--hero .port-visit { font-size: 0.88rem; margin-top: 14px; }
.port-grid.is-hero .port-card--hero .port-card-body { padding: 22px 24px 24px; }
/* Wide cards: imagem à esquerda + corpo à direita */
.port-grid.is-hero .port-card--wide .port-card-img { flex: 0 0 45%; height: 100%; aspect-ratio: auto; min-height: 0; }
.port-grid.is-hero .port-card--wide .port-card-body { flex: 1 1 auto; justify-content: center; padding: 18px 22px; }
.port-grid.is-hero .port-card--wide h3 { font-size: 1.1rem; }
.port-grid.is-hero .port-card--wide p { font-size: 0.85rem; flex: 0 0 auto; margin-top: 6px; }
.port-grid.is-hero .port-card--wide .port-visit { margin-top: 10px; }

/* Bloco Traveltech: 2 col — esq. GTB empilhado; dir. B2Hi card grande */
.port-sistemas-band {
  --tt-gap: 20px;
  grid-column: 1 / -1;
  grid-row: span 4;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: var(--tt-gap);
  align-items: stretch;
  min-width: 0;
  border-radius: 24px;
  padding: 0;
}
.port-sistemas-band > .port-travel-b2h {
  min-height: 0;
  height: 100%;
  border-radius: 20px;
}
.port-sistemas-stack {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: var(--tt-gap);
  min-width: 0;
}
.port-sistemas-stack > .port-card--wide {
  min-height: 0;
  height: 100%;
  flex-direction: row;
}
.port-sistemas-stack > .port-card--wide .port-card-img {
  flex: 0 0 45%;
  height: 100%;
  aspect-ratio: auto;
  min-height: 0;
}
.port-sistemas-stack > .port-card--wide .port-card-body {
  flex: 1 1 auto;
  justify-content: center;
  padding: 18px 22px;
}

/* Traveltech panel */
.port-traveltech-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  min-height: 100%;
  padding: 16px 16px 18px;
  border-radius: 20px;
  background: linear-gradient(155deg, #0f0f1c 0%, #1a1535 40%, #252043 100%);
  box-shadow: 0 4px 0 rgba(255, 255, 255, 0.06) inset, 0 24px 56px rgba(26, 15, 46, 0.45), 0 2px 8px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.port-traveltech-panel .port-travel-b2h {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.04) 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, 0 8px 28px rgba(0, 0, 0, 0.25);
}
.port-traveltech-panel .port-travel-b2h .port-card-img--b2h-icon {
  min-height: 140px;
  padding: 28px 32px 32px;
  background: linear-gradient(165deg, #2a1f55 0%, #1a1a2e 50%, #15122a 100%);
}
.port-traveltech-panel .port-travel-b2h .port-card-img--b2h-icon img { height: 80px; filter: drop-shadow(0 6px 20px rgba(124, 99, 252, 0.4)); }
.port-traveltech-panel .port-travel-b2h .port-card-body {
  background: #fff;
  color: #1a1a2e;
  padding: 18px 20px 20px;
}
.port-traveltech-panel .port-travel-b2h h3 { color: #1a1a2e; }
.port-traveltech-panel .port-travel-b2h .port-loc { color: #6b52e7; }
.port-traveltech-panel .port-travel-b2h p { color: #555; }
.port-traveltech-panel .port-travel-b2h .port-visit { color: #6b52e7; }
.port-traveltech-panel .port-featured-badge { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35); }

/* Bento grid */
.port-bento {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 10px;
  flex: 0 0 auto;
  min-height: 0;
}
.port-bento-tile {
  position: relative;
  display: block;
  border-radius: 14px;
  overflow: hidden;
  min-height: 0;
  aspect-ratio: 1.15;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.35s, border-color 0.3s;
}
.port-bento-tile:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4); border-color: rgba(167, 139, 250, 0.4); }
.port-bento-tile::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}
.port-bento-tile__img { width: 100%; height: 100%; object-fit: cover; }
.port-bento-tile__cap {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 1;
  padding: 10px 10px 11px;
  background: linear-gradient(180deg, transparent, rgba(15, 12, 32, 0.92));
  font-size: 0.7rem; font-weight: 700; line-height: 1.25;
  text-shadow: 0 1px 3px rgba(0,0,0,0.6);
}

/* Sobregrava hero genérico dentro do painel */
.port-sistemas-band .port-traveltech-panel .port-travel-b2h h3 { font-size: 1.22rem; }
.port-sistemas-band .port-traveltech-panel .port-travel-b2h p { font-size: 0.88rem; line-height: 1.5; }
.port-sistemas-band .port-traveltech-panel .port-travel-b2h .port-visit { font-size: 0.8rem; margin-top: 10px; }

.port-featured-badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: linear-gradient(135deg, #7c63fc, #a78bfa); color: #fff; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; box-shadow: 0 6px 16px rgba(124,99,252,0.35); }

/* ── 4. MISSÃO ─────────────────────────────────────────── */
.missao { background: linear-gradient(180deg, #1a1a2e 0%, #2d2d4e 100%); color: #fff; }
.missao .section-header h2 { color: #fff; }
.missao .section-header p { color: rgba(255,255,255,0.7); }
.missao-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.missao-card { padding: 36px; border-radius: 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); transition: background 0.3s; }
.missao-card:hover { background: rgba(255,255,255,0.1); }
.missao-card h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: #a78bfa; margin-bottom: 16px; font-weight: 700; }
.missao-card p { font-size: 0.95rem; color: rgba(255,255,255,0.8); line-height: 1.7; }

/* ── 5. QUEM SOMOS ─────────────────────────────────────── */
.quem { background: #fff; }
.quem-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.quem-card { position: relative; border-radius: 22px; overflow: hidden; border: 1px solid rgba(255, 255, 255, 0.55); background: rgba(255, 255, 255, 0.94); box-shadow: 0 6px 22px rgba(26, 26, 46, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.7); transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-glass); text-decoration: none; color: inherit; display: flex; flex-direction: column; contain: layout style; }
.quem-card:hover { transform: translateY(-8px); box-shadow: 0 24px 48px rgba(26, 26, 46, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.8); border-color: rgba(124, 99, 252, 0.25); }
.quem-card-img { position: relative; height: 220px; overflow: hidden; background: #ece8f8; }
.quem-card-img.is-ready { background: #f4f2fb; }
.quem-card-img img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.4s var(--ease-glass); }
.quem-card-img img.is-loaded { opacity: 1; }
.quem-card:hover .quem-card-img img.is-loaded { transform: scale(1.04); transition: transform 0.4s var(--ease-glass); }
.quem-card-body { padding: 24px 24px 28px; text-align: center; }
.quem-card h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; color: #7c63fc; font-weight: 700; margin-bottom: 8px; }
.quem-card p { font-size: 0.9rem; color: #777; line-height: 1.5; margin-bottom: 12px; }
.quem-card .card-link { font-size: 0.82rem; font-weight: 600; color: #7c63fc; display: inline-flex; align-items: center; gap: 4px; transition: gap 0.2s; }
.quem-card:hover .card-link { gap: 8px; }

/* ── 6. CTA ────────────────────────────────────────────── */
.cta-section { padding: 80px 24px; background: linear-gradient(135deg, #7c63fc, #a78bfa); text-align: center; color: #fff; }
.cta-section h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; margin-bottom: 12px; }
.cta-section p { font-size: 1rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; }

/* ── 7. FOOTER ─────────────────────────────────────────── */
.footer { padding: 60px 24px 32px; background: #1a1a2e; color: rgba(255,255,255,0.7); scroll-margin-top: 80px; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 32px; width: auto; filter: brightness(0) invert(1); }
.footer-contact h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: #a78bfa; font-weight: 700; margin-bottom: 16px; }
.footer-contact p { font-size: 0.9rem; line-height: 1.8; }
.footer-contact a { color: rgba(255,255,255,0.7); transition: color 0.2s; }
.footer-contact a:hover { color: #fff; }
.footer-links { display: flex; flex-direction: column; gap: 24px; }
.footer-links h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: #a78bfa; font-weight: 700; margin-bottom: 8px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-bottom { padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; }
.footer-legal { font-size: 0.78rem; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-legal strong { color: rgba(255,255,255,0.65); font-weight: 600; }

/* ── 8. FADE-IN / ANIMAÇÕES ────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease-glass), transform 0.7s var(--ease-glass); will-change: opacity, transform; }
.fade-in.visible { opacity: 1; transform: translateY(0); will-change: auto; }
.fade-in[data-delay="1"] { transition-delay: 0.08s; }
.fade-in[data-delay="2"] { transition-delay: 0.16s; }
.fade-in[data-delay="3"] { transition-delay: 0.24s; }
.fade-in[data-delay="4"] { transition-delay: 0.32s; }

/* ── 9. MEDIA QUERIES ──────────────────────────────────── */

/* 9a. ≤1100px — portfolio grid */
@media (max-width: 1100px) {
  .port-grid { grid-template-columns: repeat(2, 1fr); }
  .port-grid.is-hero { grid-auto-rows: 100px; }
  .port-grid.is-hero > .port-card:not(.port-card--hero):not(.port-card--wide) .port-card-img { flex: 0 0 200px; height: 200px; }
  .port-grid.is-hero > .port-card--hero.port-card--hero-right { grid-column: span 2; }
}

/* 9b. ≤768px — seções, pillars, missão, quem somos, cta, footer, port-tabs sticky */
@media (max-width: 768px) {
  .section { padding: 64px 18px; }
  .section-header { margin-bottom: 36px; }

  .pillars-grid { grid-template-columns: 1fr; gap: 18px; }
  .pillar { min-height: 240px; border-radius: 18px; }
  .pillar-text { padding: 22px; }

  .port-grid { gap: 14px; }
  .port-tabs { padding: 6px; gap: 6px; margin-bottom: 28px; background: rgba(255, 255, 255, 0.92); }
  .port-tab { padding: 8px 16px; font-size: 0.82rem; }
  .port-card { border-radius: 16px; background: #ffffff; }
  .port-card-body { padding: 14px 14px 16px; }
  .port-card h3 { font-size: 0.92rem; }
  .port-card p { font-size: 0.78rem; }

  .missao-grid { grid-template-columns: 1fr; gap: 16px; }
  .missao-card { padding: 26px; border-radius: 14px; }

  .quem-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .quem-card { border-radius: 18px; background: #ffffff; }
  .quem-card-img { height: 140px; }
  .quem-card-body { padding: 16px 14px 18px; }
  .quem-card h4 { font-size: 0.72rem; }
  .quem-card p { font-size: 0.82rem; margin-bottom: 8px; }
  .quem-card .card-link { font-size: 0.78rem; }

  .cta-section { padding: 60px 20px; }
  .cta-section .btn { width: 100%; max-width: 320px; justify-content: center; }

  .footer { padding: 48px 18px 24px; }
  .footer-top { grid-template-columns: 1fr; gap: 36px; margin-bottom: 36px; }
  .footer-links { flex-direction: row; gap: 32px; flex-wrap: wrap; }

  .eco-grid { grid-template-columns: 1fr; }

  /* Sticky tabs no portfolio mobile — sem backdrop-filter para não causar jank no scroll */
  .port-tabs {
    position: sticky;
    top: 72px;
    z-index: 10;
    box-shadow: 0 8px 32px rgba(26, 26, 46, 0.12);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* 9c. ≤600px — portfolio mobile */
@media (max-width: 600px) {
  .port-grid { grid-template-columns: 1fr; gap: 14px; }
  /* No mobile: zera o layout hierárquico, todos os cards iguais */
  .port-grid.is-hero { grid-auto-rows: auto; grid-auto-flow: row; }
  .port-grid.is-hero .port-card--hero,
  .port-grid.is-hero .port-card--wide,
  .port-grid.is-hero .port-card:not(.port-card--hero):not(.port-card--wide) { grid-column: span 1; grid-row: auto; flex-direction: column; }
  /* Especificidade (0,4,0) empata com a regra desktop e vence por source order */
  .port-grid.is-hero > .port-card--hero.port-card--hero-right { grid-column: span 1; grid-row: auto; }
  .port-grid.is-hero .port-card-img,
  .port-grid.is-hero .port-card--wide .port-card-img,
  .port-grid.is-hero .port-card:not(.port-card--hero):not(.port-card--wide) .port-card-img { aspect-ratio: 16/10; flex: 0 0 auto; height: auto; }
  .port-grid.is-hero .port-card--hero h3 { font-size: 1.05rem; }
  .port-grid.is-hero .port-card--hero p,
  .port-grid.is-hero .port-card--wide p { font-size: 0.8rem; }
  .port-grid.is-hero .port-card--hero .port-card-body,
  .port-grid.is-hero .port-card--wide .port-card-body { padding: 14px 14px 16px; }
  .port-sistemas-band { grid-template-columns: 1fr; }
  .port-sistemas-stack { min-height: 0; grid-template-rows: auto auto; }
  .port-sistemas-stack > .port-card--wide { flex-direction: column; }
  .port-sistemas-stack > .port-card--wide .port-card-img {
    flex: 0 0 auto;
    height: auto;
    aspect-ratio: 16/10;
  }
  .port-sistemas-stack > .port-card--wide .port-card-body { padding: 14px 14px 16px; }
  .port-traveltech-panel { padding: 12px; border-radius: 16px; }
  .port-bento { grid-template-columns: 1fr 1fr; gap: 8px; }
  .port-bento-tile { border-radius: 12px; aspect-ratio: 1.25; }
  .port-bento-tile__cap { font-size: 0.65rem; padding: 8px; }
  .port-traveltech-panel .port-travel-b2h .port-card-img--b2h-icon { min-height: 120px; padding: 22px; }
  .port-featured-badge { font-size: 0.62rem; padding: 4px 8px; top: 10px; left: 10px; }
}

/* Card stack reveal no mobile — especificidade precisa vencer .fade-in.visible (0,2,0) */
@media (max-width: 600px) and (prefers-reduced-motion: no-preference) {
  .port-card.fade-in,
  .port-card.fade-in.visible {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
    transition: transform 0.45s var(--ease-spring), opacity 0.45s var(--ease-glass);
    filter: none;
  }
  .port-card.fade-in.is-stacking {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 9d. ≤420px — quem somos 1 coluna */
@media (max-width: 420px) {
  .quem-grid { grid-template-columns: 1fr; }
  .quem-card-img { height: 200px; }
}