:root {
    /* Surfaces — antracito family */
    --bg-0: #0a0b0d;        /* deepest */
    --bg-1: #101114;        /* page */
    --bg-2: #16181c;        /* card */
    --bg-3: #1d2026;        /* elevated */
    --bg-4: #262a31;        /* hover / border-strong */

    /* Lines */
    --line-soft: rgba(255,255,255,0.06);
    --line: rgba(255,255,255,0.09);
    --line-strong: rgba(255,255,255,0.16);

    /* Text */
    --fg-0: #f6f7f8;
    --fg-1: #c9ccd2;
    --fg-2: #8b9099;
    --fg-3: #8a909a;

    /* Accent — confident orange (oklch-tuned, not the default #f90) */
    --accent: oklch(72% 0.19 48);
    --accent-hi: oklch(78% 0.19 52);
    --accent-lo: oklch(62% 0.17 44);
    --accent-ink: #1a0e05;
    --accent-wash: oklch(72% 0.19 48 / 0.10);

    /* Secondary metallic */
    --steel: oklch(70% 0.02 250);
    --steel-dim: oklch(50% 0.015 250);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 22px;

    --shadow-1: 0 1px 0 rgba(255,255,255,0.04) inset, 0 1px 2px rgba(0,0,0,0.4);
    --shadow-2: 0 1px 0 rgba(255,255,255,0.05) inset, 0 20px 40px -20px rgba(0,0,0,0.8);
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg-1);
    color: var(--fg-0);
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  .display { font-family: 'Inter Tight', sans-serif; letter-spacing: -0.025em; font-weight: 700; line-height: 1.02; }
  .mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-variant-ligatures: none; }

  .wrap { max-width: 1280px; margin: 0 auto; padding: 0 48px; }
  .wrap-wide { max-width: 1440px; margin: 0 auto; padding: 0 48px; }

  /* ——— Top utility bar ——— */
  .util {
    border-bottom: 1px solid var(--line-soft);
    background: var(--bg-0);
    font-size: 12px;
    color: var(--fg-2);
  }
  .util-inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
  .util .mono { letter-spacing: 0.04em; text-transform: uppercase; }
  .util-right { display: flex; gap: 24px; align-items: center; }
  .util a { color: var(--fg-1); text-decoration: none; }
  .util a:hover { color: var(--fg-0); }
  .dot { width: 6px; height: 6px; border-radius: 50%; background: #3dd68c; box-shadow: 0 0 0 3px rgba(61,214,140,0.12); display: inline-block; margin-right: 8px; vertical-align: middle; }

  /* ——— Nav ——— */
  nav.nav {
    position: sticky; top: 0; z-index: 40;
    background: rgba(10,11,13,0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
  .brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
  .brand-mark {
    height: 36px; width: auto; display: block;
  }
  .brand-text {
    font-family: 'Inter Tight', sans-serif; font-weight: 700; font-size: 13px;
    letter-spacing: -0.01em; line-height: 1.1;
  }
  .brand-text em { font-style: normal; color: var(--fg-2); font-weight: 500; font-size: 11px; }
  .brand-divider {
    width: 1px; height: 26px;
    background: linear-gradient(180deg, transparent 0%, rgba(255,255,255,0.12) 30%, rgba(255,255,255,0.12) 70%, transparent 100%);
  }

  .nav-links { display: flex; gap: 36px; font-size: 14px; }
  .nav-links a { color: var(--fg-1); text-decoration: none; }
  .nav-links a:hover { color: var(--fg-0); }
  .nav-right { display: flex; align-items: center; gap: 14px; }

  /* ——— Buttons ——— */
  .btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 12px 20px; border-radius: 8px;
    font-family: 'Inter Tight', sans-serif; font-weight: 600; font-size: 14px;
    letter-spacing: -0.005em;
    border: 1px solid transparent; cursor: pointer; text-decoration: none;
    transition: all .18s ease;
    white-space: nowrap;
  }
  .btn-primary {
    background: var(--accent); color: var(--accent-ink);
    box-shadow: 0 0 0 1px rgba(0,0,0,0.15) inset, 0 1px 0 rgba(255,255,255,0.25) inset, 0 8px 22px -10px oklch(72% 0.19 48 / 0.55);
  }
  .btn-primary:hover { background: var(--accent-hi); transform: translateY(-1px); }
  .btn-ghost {
    background: transparent; color: var(--fg-0);
    border-color: var(--line-strong);
  }
  .btn-ghost:hover { background: var(--bg-3); border-color: var(--bg-4); }
  .btn-lg { padding: 16px 26px; font-size: 15px; }
  .btn .arr { transition: transform .18s ease; }
  .btn:hover .arr { transform: translateX(3px); }

  /* ——— HERO ——— */
  .hero {
    position: relative;
    padding: 72px 0 80px;
    overflow: hidden;
    border-bottom: 1px solid var(--line-soft);
    background:
      radial-gradient(1200px 500px at 80% 0%, oklch(72% 0.19 48 / 0.09), transparent 60%),
      radial-gradient(900px 400px at 10% 100%, rgba(255,255,255,0.03), transparent 60%),
      var(--bg-1);
  }
  .hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }

  .eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 6px 12px 6px 8px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 12px; color: var(--fg-1);
    background: rgba(255,255,255,0.02);
    margin-bottom: 28px;
  }
  .eyebrow .pill {
    background: var(--accent-wash);
    color: var(--accent-hi);
    border: 1px solid oklch(72% 0.19 48 / 0.25);
    padding: 2px 8px; border-radius: 999px; font-size: 11px;
    font-family: 'JetBrains Mono', monospace; letter-spacing: 0.02em;
  }

  h1.headline {
    font-size: 72px; line-height: 0.98;
    margin: 0 0 24px;
  }
  h1.headline .accent { color: var(--accent); }
  h1.headline .muted { color: var(--fg-2); }

  .lede {
    font-size: 19px; color: var(--fg-1); line-height: 1.55; max-width: 560px;
    margin: 0 0 36px;
  }
  .lede strong { color: var(--fg-0); font-weight: 600; }

  .cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
  .cta-sub { margin-top: 18px; font-size: 13px; color: var(--fg-3); font-family: 'JetBrains Mono', monospace; }

  /* Hero product visual */
  .hero-visual {
    position: relative;
    aspect-ratio: 1 / 0.9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background:
      radial-gradient(ellipse at 50% 30%, rgba(255,255,255,0.05), transparent 60%),
      linear-gradient(160deg, #1a1d22 0%, #0f1114 100%);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-2);
  }
  .placeholder-stripes {
    position: absolute; inset: 0;
    background-image: repeating-linear-gradient(
      135deg,
      rgba(255,255,255,0.025) 0 12px,
      transparent 12px 24px
    );
  }
  .ph-label {
    position: absolute; left: 24px; bottom: 24px;
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-3); letter-spacing: 0.04em;
  }
  .ph-tag {
    position: absolute; top: 24px; left: 24px;
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-2); letter-spacing: 0.05em; text-transform: uppercase;
    padding: 5px 10px; border: 1px solid var(--line-strong);
    border-radius: 4px;
    background: rgba(0,0,0,0.3);
  }

  /* Device mock drawn minimally (rounded rect + connector) — this is OK: simple geometry */
  .module {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    width: 62%; aspect-ratio: 1.6 / 1;
    border-radius: 14px;
    background:
      linear-gradient(180deg, #2a2e36 0%, #1a1d22 100%);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow:
      0 1px 0 rgba(255,255,255,0.12) inset,
      0 -1px 0 rgba(0,0,0,0.4) inset,
      0 40px 80px -30px rgba(0,0,0,0.8),
      0 10px 30px -10px rgba(0,0,0,0.6);
  }
  .module::before {
    content: ''; position: absolute; inset: 10px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,0.04);
    background: repeating-linear-gradient(90deg, transparent 0 38px, rgba(255,255,255,0.03) 38px 39px);
  }
  .module-label {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    text-align: center;
  }
  .module-label .logo {
    font-family: 'Inter Tight', sans-serif; font-weight: 800; font-size: 18px;
    letter-spacing: -0.02em;
    color: var(--fg-0);
  }
  .module-label .logo em { color: var(--accent); font-style: normal; }
  .module-label .sub { font-family: 'JetBrains Mono', monospace; font-size: 10px;
    color: var(--fg-3); letter-spacing: 0.15em; margin-top: 6px; }

  /* LED */
  .module .led {
    position: absolute; top: 18px; right: 22px;
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent), 0 0 2px var(--accent);
    animation: blink 2.4s ease-in-out infinite;
  }
  @keyframes blink { 0%,45%,100% {opacity:1} 50%,95%{opacity:.25} }

  /* Connector cables coming out */
  .cable {
    position: absolute;
    background: linear-gradient(90deg, #1a1d22, #2a2e36);
    border-radius: 3px;
    border: 1px solid rgba(0,0,0,0.3);
  }
  .cable-1 { left: -20px; top: 28%; width: 30px; height: 8px; }
  .cable-2 { right: -20px; top: 62%; width: 30px; height: 8px; }

  /* Hero callout tag pinned on module */
  .hero-callout {
    position: absolute;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(18,20,24,0.92);
    backdrop-filter: blur(6px);
    border: 1px solid var(--line);
    font-size: 12px;
    color: var(--fg-1);
    display: flex; align-items: center; gap: 10px;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.7);
  }
  .hero-callout .mono { font-size: 11px; color: var(--fg-2); }
  .hero-callout.a { left: 10%; top: 22%; }
  .hero-callout.b { right: 8%; bottom: 22%; }
  .hero-callout .k { color: var(--accent); font-weight: 600; }

  /* ——— Seals bar ——— */
  .seals {
    border-bottom: 1px solid var(--line-soft);
    background: var(--bg-0);
    padding: 28px 0;
  }
  .seals-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; align-items: center; }
  .seal {
    padding: 0 24px;
    display: flex; gap: 14px; align-items: center;
    border-right: 1px solid var(--line-soft);
  }
  .seal:last-child { border-right: none; }
  .seal-num {
    font-family: 'Inter Tight', sans-serif; font-weight: 700; font-size: 28px;
    letter-spacing: -0.03em; color: var(--fg-0);
  }
  .seal-num .u { color: var(--accent); }
  .seal-label { font-size: 12px; color: var(--fg-2); line-height: 1.35; }

  /* ——— Section scaffold ——— */
  section { padding: 120px 0; }
  .section-head { max-width: 720px; margin-bottom: 56px; }
  .section-head .kicker {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px; color: var(--accent);
    letter-spacing: 0.12em; text-transform: uppercase;
    margin-bottom: 16px; display: flex; align-items: center; gap: 12px;
  }
  .section-head .kicker::before {
    content: ''; width: 24px; height: 1px; background: var(--accent);
  }
  .section-head h2 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 48px; font-weight: 700; line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 0 0 18px;
  }
  .section-head p { font-size: 17px; color: var(--fg-1); max-width: 620px; margin: 0; }
  .section-head h2 .muted { color: var(--fg-2); }

  /* ——— How it works ——— */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
  .step {
    padding: 32px;
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    position: relative;
  }
  .step-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; color: var(--fg-3); letter-spacing: 0.08em;
    margin-bottom: 20px;
  }
  .step-icon {
    width: 56px; height: 56px; border-radius: 12px;
    background: var(--bg-3);
    border: 1px solid var(--line);
    display: grid; place-items: center;
    color: var(--accent);
    margin-bottom: 24px;
  }
  .step h3 {
    font-family: 'Inter Tight', sans-serif; font-size: 22px; font-weight: 600;
    letter-spacing: -0.015em;
    margin: 0 0 8px;
  }
  .step p { color: var(--fg-2); font-size: 15px; margin: 0; line-height: 1.55; }
  .step-time { margin-top: 20px; font-family: 'JetBrains Mono', monospace;
    font-size: 11px; color: var(--fg-3); padding-top: 16px; border-top: 1px dashed var(--line); }
  .step-time span { color: var(--fg-0); }

  /* ——— Differentials ——— */
  .diffs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-2);
  }
  .diff {
    padding: 36px 32px;
    border-right: 1px solid var(--line);
    position: relative;
  }
  .diff:last-child { border-right: none; }
  .diff-icon { width: 36px; height: 36px; color: var(--accent); margin-bottom: 24px; }
  .diff h3 { font-family: 'Inter Tight', sans-serif; font-size: 19px; font-weight: 600;
    letter-spacing: -0.015em; margin: 0 0 10px; }
  .diff p { color: var(--fg-2); font-size: 14px; margin: 0; line-height: 1.55; }
  .diff-meta { margin-top: 24px; font-family: 'JetBrains Mono', monospace;
    font-size: 10px; color: var(--fg-3); letter-spacing: 0.08em; text-transform: uppercase; }

  /* ——— Compatibility ——— */
  .compat-head { display: flex; justify-content: space-between; align-items: end;
    margin-bottom: 40px; flex-wrap: wrap; gap: 24px; }
  .filter-row { display: flex; gap: 6px; padding: 4px;
    background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; }
  .filter-chip {
    padding: 9px 16px; border-radius: 7px; font-size: 13px;
    color: var(--fg-2); background: transparent; border: none; cursor: pointer;
    font-family: 'Inter', sans-serif; font-weight: 500;
    transition: all .15s;
  }
  .filter-chip:hover { color: var(--fg-0); }
  .filter-chip.active { background: var(--bg-4); color: var(--fg-0); }
  .filter-chip .mono { font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-3); margin-left: 6px; }
  .filter-chip.active .mono { color: var(--fg-1); }

  /* ——— Hub de manuais: lista de modelos (cards) ——— */
  .model-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px; margin-top: 24px;
  }
  .model-link {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 18px 20px;
    background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg);
    text-decoration: none;
    transition: transform .25s ease, border-color .25s ease, background .25s ease;
  }
  .model-link:hover { transform: translateY(-3px); border-color: var(--bg-4); background: var(--bg-3); }
  .model-link > span:first-child { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
  .model-link .vb { font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-3); letter-spacing: 0.08em; text-transform: uppercase; }
  .model-link .m { font-family: 'Inter Tight', sans-serif; font-size: 18px; font-weight: 600;
    letter-spacing: -0.015em; color: var(--fg-0); line-height: 1.2; margin: 0; }
  .model-link .y { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--fg-2); }
  .model-link .arr { color: var(--accent); font-size: 20px; flex-shrink: 0;
    transition: transform .2s ease; }
  .model-link:hover .arr { transform: translateX(4px); }

  /* ——— Breadcrumb (estilo padrão do site; "Início" volta p/ a página principal) ——— */
  .breadcrumb { font-family: 'Inter', sans-serif; font-size: 13px; color: var(--fg-1);
    padding: 20px 0 2px; }
  .breadcrumb a { color: var(--fg-2); text-decoration: none; transition: color .15s; }
  .breadcrumb a:hover { color: var(--accent); }
  .breadcrumb .sep { color: var(--fg-3); margin: 0 8px; }
  /* subpáginas: a 1ª seção logo após o breadcrumb dispensa o padding-top cheio (120px) */
  .wrap-wide:has(> .breadcrumb) + section { padding-top: 36px; }

  .prose a:not(.btn) { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
  .prose a:not(.btn):hover { color: var(--accent-hi); }
  /* ritmo vertical do prose: seções separadas (~36px acima do h2), título colado ao conteúdo (12px abaixo) */
  .prose > :first-child { margin-top: 0; }
  .prose h2 { margin: 36px 0 12px; }
  .prose p { margin: 0 0 16px; }
  .prose ul, .prose ol { margin: 0 0 16px; }

  /* facade de vídeo: só a thumbnail; o player youtube-nocookie entra no clique (ver video_facade.js) */
  .video-facade { position: relative; max-width: 820px; aspect-ratio: 16 / 9;
    border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
    background: var(--bg-2); cursor: pointer; }
  .video-facade img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .video-facade iframe { width: 100%; height: 100%; border: 0; display: block; }
  .video-facade .video-play { position: absolute; inset: 0; margin: auto; width: 72px; height: 72px;
    border-radius: 50%; background: var(--accent); display: grid; place-items: center;
    box-shadow: 0 10px 28px -8px rgba(0,0,0,.6); transition: transform .2s ease, background .2s ease; }
  .video-facade .video-play::before { content: ''; width: 0; height: 0; border-style: solid;
    border-width: 12px 0 12px 20px; border-color: transparent transparent transparent var(--accent-ink);
    margin-left: 5px; }
  .video-facade:hover .video-play, .video-facade:focus-visible .video-play {
    transform: scale(1.08); background: var(--accent-hi); }
  .video-facade:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
  /* lista de características (✓) — reutilizável nos manuais */
  .feat-list { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 8px; }
  .feat-list li { position: relative; padding-left: 26px; }
  .feat-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--accent); font-weight: 700; }
  /* card de documento (manual em PDF) — reutilizável */
  .doc-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--bg-2); padding: 20px 22px; margin: 32px 0 4px; }
  .doc-card .doc-title { font-family: 'Inter Tight', sans-serif; font-weight: 600; font-size: 17px; }
  .doc-card .doc-desc { color: var(--fg-2); font-size: 14px; margin: 6px 0 14px; }
  .doc-card .doc-meta { font-size: 13px; color: var(--fg-3); margin-top: 10px; }
  .doc-card .doc-soon { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--fg-3); padding: 8px 14px; border: 1px dashed var(--line-strong); border-radius: var(--radius-md); }
  /* estado "em breve" (template propagado, antes do conteúdo real) */
  .video-facade.is-soon { cursor: default; display: grid; place-items: center; }
  .video-facade.is-soon .video-soon { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--fg-3); }

  .compat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .vcard {
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform .25s ease, border-color .25s ease;
  }
  .vcard:hover { transform: translateY(-3px); border-color: var(--bg-4); }
  .vcard-img {
    aspect-ratio: 16 / 10;
    background:
      repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0 10px, transparent 10px 20px),
      linear-gradient(160deg, #1e2127 0%, #131519 100%);
    border-bottom: 1px solid var(--line);
    position: relative;
    display: grid; place-items: center;
  }
  .vcard-img .silhouette {
    width: 70%; height: 50%; opacity: 0.25;
    background: var(--fg-2);
    -webkit-mask: var(--car-mask) center/contain no-repeat;
            mask: var(--car-mask) center/contain no-repeat;
  }
  .vcard-img .ph-tag { top: 12px; left: 12px; }
  .vcard-body { padding: 18px 20px 20px; }
  .vcard-brand {
    font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-3); letter-spacing: 0.08em; text-transform: uppercase;
    margin-bottom: 6px;
  }
  .vcard h3 { font-family: 'Inter Tight', sans-serif; font-size: 18px;
    font-weight: 600; letter-spacing: -0.015em; margin: 0 0 4px; }
  .vcard .years { font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--fg-2); }
  .vcard-foot { display: flex; justify-content: space-between; align-items: center;
    padding-top: 14px; margin-top: 14px; border-top: 1px solid var(--line); }
  .status { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--fg-1); }
  .status-dot { width: 6px; height: 6px; border-radius: 50%; background: #3dd68c; }

  /* ——— Specs ——— */
  .specs-wrap {
    background: var(--bg-2);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .specs-top {
    display: grid; grid-template-columns: 1.4fr 1fr;
  }
  .specs-visual {
    aspect-ratio: 16/10;
    position: relative;
    background:
      radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.04), transparent 65%),
      linear-gradient(160deg, #181a1f 0%, #0e1013 100%);
    border-right: 1px solid var(--line);
    overflow: hidden;
  }
  .specs-visual .module { width: 58%; }
  .specs-intro { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
  .specs-intro .kicker { font-family: 'JetBrains Mono', monospace; font-size: 12px;
    color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 14px; }
  .specs-intro h3 { font-family: 'Inter Tight', sans-serif; font-size: 32px;
    letter-spacing: -0.02em; margin: 0 0 14px; font-weight: 700; }
  .specs-intro p { color: var(--fg-2); font-size: 15px; margin: 0; }
  .patent-line { margin-top: 20px; padding-top: 20px; border-top: 1px dashed var(--line);
    font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--fg-3); }
  .patent-line span { color: var(--fg-0); }

  .specs-table { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
  .spec-cell {
    padding: 26px 28px;
    border-right: 1px solid var(--line);
  }
  .spec-cell:last-child { border-right: none; }
  .spec-label { font-family: 'JetBrains Mono', monospace; font-size: 11px;
    color: var(--fg-3); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px; }
  .spec-value { font-family: 'Inter Tight', sans-serif; font-size: 22px;
    letter-spacing: -0.015em; font-weight: 600; color: var(--fg-0); }
  .spec-value .u { color: var(--fg-2); font-size: 13px; font-weight: 500; margin-left: 4px;
    font-family: 'JetBrains Mono', monospace; }

  /* (seção institucional removida — site B2C) */

  /* ——— FAQ ——— */
  .faq { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
  .faq-list { border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-q {
    width: 100%; background: transparent; border: none; cursor: pointer;
    padding: 26px 0;
    display: flex; justify-content: space-between; align-items: center; gap: 20px;
    color: var(--fg-0);
    font-family: 'Inter Tight', sans-serif; font-size: 20px;
    letter-spacing: -0.015em; font-weight: 500;
    text-align: left;
  }
  .faq-q:hover { color: var(--accent); }
  .faq-q .plus {
    flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
    border: 1px solid var(--line-strong);
    display: grid; place-items: center;
    color: var(--fg-1);
    transition: transform .2s, background .2s, color .2s;
  }
  .faq-item.open .faq-q .plus { transform: rotate(45deg); background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
  .faq-a {
    max-height: 0; overflow: hidden; transition: max-height .3s ease;
    color: var(--fg-1); font-size: 15px; line-height: 1.65;
  }
  .faq-a-inner { padding-bottom: 26px; max-width: 720px; }
  .faq-item.open .faq-a { max-height: 400px; }

  /* ——— Contact ——— */
  .contact {
    background: var(--bg-0);
    border-top: 1px solid var(--line-soft);
  }
  .contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
  .contact-info h3 { font-family: 'Inter Tight', sans-serif; font-size: 13px;
    text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-3);
    font-weight: 500; margin: 0 0 12px; font-family: 'JetBrains Mono', monospace; }
  .contact-info .big {
    font-family: 'Inter Tight', sans-serif; font-size: 20px; letter-spacing: -0.015em;
    color: var(--fg-0); margin-bottom: 6px; font-weight: 500;
  }
  .contact-info .info-block { margin-bottom: 36px; }
  .contact-info p { margin: 0; color: var(--fg-2); font-size: 14px; line-height: 1.6; }
  .contact-info .mono { font-size: 12px; color: var(--fg-3); margin-top: 6px; display:block; }

  .form { background: var(--bg-2); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: 36px; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .field { margin-bottom: 16px; }
  .field.full { grid-column: 1 / -1; }
  .field label { display: block; font-size: 12px; color: var(--fg-2);
    margin-bottom: 8px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.04em;
    text-transform: uppercase; }
  .field input, .field textarea, .field select {
    width: 100%; padding: 12px 14px; background: var(--bg-1);
    border: 1px solid var(--line); border-radius: 8px;
    color: var(--fg-0); font-family: 'Inter', sans-serif; font-size: 14px;
    outline: none; transition: border-color .15s;
  }
  .field input:focus, .field textarea:focus, .field select:focus {
    border-color: var(--accent);
  }
  .field textarea { resize: vertical; min-height: 96px; }
  .form-foot { display: flex; justify-content: space-between; align-items: center;
    margin-top: 8px; }
  .form-foot .note { font-size: 12px; color: var(--fg-3); font-family: 'JetBrains Mono', monospace; }
  .field .req { color: var(--accent); }
  .field input[type="file"] { padding: 10px 12px; cursor: pointer; color: var(--fg-2); }
  .field input[type="file"]::file-selector-button { margin-right: 12px; padding: 8px 14px; border-radius: 8px;
    border: 1px solid var(--line-strong); background: var(--bg-3); color: var(--fg-1); cursor: pointer; font: inherit; font-size: 13px; }
  .field input[type="file"]::file-selector-button:hover { background: var(--bg-4); }
  .field-check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--fg-1); line-height: 1.5; }
  .field-check input[type="checkbox"] { width: 18px; height: 18px; margin-top: 1px; flex: 0 0 auto; accent-color: var(--accent); }
  .field-check a { color: var(--accent-hi); }
  .form-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
  .form-msg { margin-top: 14px; font-size: 14px; border-radius: 10px; padding: 12px 14px; display: none; }
  .form-msg.show { display: block; }
  .form-msg.ok { background: rgba(37,211,102,0.12); border: 1px solid rgba(37,211,102,0.4); color: #7ee6a6; }
  .form-msg.err { background: var(--accent-wash); border: 1px solid oklch(72% 0.19 48 / 0.4); color: var(--accent-hi); }
  .form-msg a { color: inherit; text-decoration: underline; }
  .segment {
    display: flex; gap: 4px; padding: 3px;
    background: var(--bg-1); border: 1px solid var(--line); border-radius: 8px;
    margin-bottom: 16px;
  }
  .segment button {
    flex: 1; padding: 8px; background: transparent; border: none; cursor: pointer;
    color: var(--fg-2); font-size: 13px; font-family: 'Inter', sans-serif;
    font-weight: 500; border-radius: 6px;
    transition: all .15s;
  }
  .segment button.active { background: var(--bg-3); color: var(--fg-0); }

  /* ——— Footer ——— */
  footer {
    background: var(--bg-0);
    border-top: 1px solid var(--line-soft);
    padding: 64px 0 32px;
  }
  .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
  .foot-col .foot-title { font-family: 'JetBrains Mono', monospace; font-size: 11px;
    letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3);
    margin: 0 0 18px; font-weight: 500; }
  .foot-col ul { list-style: none; padding: 0; margin: 0; }
  .foot-col li { margin-bottom: 10px; }
  .foot-col a { color: var(--fg-1); text-decoration: none; font-size: 14px; }
  .foot-col a:hover { color: var(--fg-0); }
  .foot-col .blurb { color: var(--fg-2); font-size: 13px; line-height: 1.55; max-width: 320px; }
  .foot-bottom { display: flex; justify-content: space-between;
    padding-top: 24px; border-top: 1px solid var(--line-soft);
    font-size: 12px; color: var(--fg-3);
    font-family: 'JetBrains Mono', monospace; }
  .foot-bottom .items { display: flex; gap: 28px; }

  /* icons: just use SVG, 1.5 stroke */
  svg.i { width: 24px; height: 24px; stroke-width: 1.5; stroke: currentColor; fill: none; }
  svg.i-sm { width: 18px; height: 18px; stroke-width: 1.6; stroke: currentColor; fill: none; }

  ::selection { background: var(--accent); color: var(--accent-ink); }
.stage{position:absolute;inset:0;width:100%;height:100%;margin:auto;overflow:hidden;border-radius:inherit;perspective:1200px;transform-style:preserve-3d;z-index:0}
.ks-photo{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;will-change:transform,opacity;transform:translateZ(0) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--es,1.04));-webkit-mask-image:radial-gradient(120% 100% at 50% 45%,#000 55%,rgba(0,0,0,.85) 78%,transparent 100%);mask-image:radial-gradient(120% 100% at 50% 45%,#000 55%,rgba(0,0,0,.85) 78%,transparent 100%)}
.ks-ov{position:absolute;pointer-events:none}
.ks-display-dim{left:38.08%;top:24.93%;width:26.86%;height:46.92%;border-radius:6px;background:radial-gradient(120% 120% at 50% 45%,rgba(2,4,8,.92) 0%,rgba(4,6,10,.86) 45%,rgba(6,8,12,.55) 100%);mix-blend-mode:multiply;opacity:1;transform:translateZ(6px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
.ks-display-scan{left:38.08%;top:24.93%;width:26.86%;height:46.92%;border-radius:6px;overflow:hidden;background:linear-gradient(180deg,transparent 0%,rgba(190,220,255,0) 35%,rgba(200,225,255,.45) 50%,rgba(190,220,255,0) 65%,transparent 100%);mix-blend-mode:screen;opacity:0;transform:translateZ(6px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
.ks-glow-icon{left:51.27%;top:42.52%;width:18%;height:26%;border-radius:50%;mix-blend-mode:screen;background:radial-gradient(circle at 50% 50%,rgba(255,225,180,.55) 0%,rgba(255,200,120,.28) 28%,rgba(255,180,90,0) 62%);opacity:0;transform:translate(-50%,-50%) translateZ(24px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
.ks-glow-msg{left:51.27%;top:58.65%;width:22%;height:14%;border-radius:50%;mix-blend-mode:screen;background:radial-gradient(circle at 50% 50%,rgba(255,176,102,.66) 0%,rgba(242,147,58,.40) 24%,rgba(227,138,46,.16) 50%,rgba(227,138,46,0) 74%);opacity:0;transform:translate(-50%,-50%) translateZ(28px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) scale(var(--gs,1))}
.ks-glow-telltale{left:63.48%;top:66.72%;width:9%;height:13%;border-radius:50%;mix-blend-mode:screen;background:radial-gradient(circle at 50% 50%,rgba(255,186,112,.90) 0%,rgba(242,147,58,.48) 20%,rgba(232,124,30,.20) 46%,rgba(232,124,30,0) 74%);opacity:0;filter:blur(2px);transform:translate(-50%,-50%) translateZ(40px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg))}
.ks-vignette{inset:0;background:radial-gradient(130% 110% at 50% 45%,transparent 50%,rgba(10,10,11,.55) 85%,#0a0a0b 100%);mix-blend-mode:multiply;opacity:0}
.ks-msg-dim{left:51.27%;top:60%;width:25%;height:19%;transform:translate(-50%,-50%) translateZ(20px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));border-radius:8px;background:radial-gradient(circle at 50% 50%,rgba(3,5,9,.88) 0%,rgba(3,5,9,.55) 62%,rgba(3,5,9,0) 100%);mix-blend-mode:multiply;opacity:0}
.ks-telltale-dim{left:63.48%;top:66.72%;width:12%;height:16%;transform:translate(-50%,-50%) translateZ(38px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));border-radius:50%;background:radial-gradient(circle at 50% 50%,rgba(3,5,9,.94) 0%,rgba(3,5,9,.6) 55%,rgba(3,5,9,0) 100%);mix-blend-mode:multiply;opacity:0}
@supports (mix-blend-mode: plus-lighter){.ks-glow-telltale{mix-blend-mode:plus-lighter}}
.hero-visual .hero-callout{display:none}
  /* ============ RESPONSIVO — adaptação mobile (Lote 2) ============ */
  @media (max-width: 1024px) {
    .wrap, .wrap-wide { padding: 0 28px; }
    section { padding: 88px 0; }
    img { max-width: 100%; }
    .hero { padding: 56px 0 64px; }
    .hero-grid { grid-template-columns: 1fr; gap: 44px; }
    h1.headline { font-size: clamp(40px, 6.4vw, 60px); }
    .section-head { margin-bottom: 40px; }
    .section-head h2 { font-size: clamp(30px, 5vw, 44px); }
    .specs-top { grid-template-columns: 1fr; }
    .specs-visual { border-right: none; border-bottom: 1px solid var(--line); }
    .faq { grid-template-columns: 1fr; gap: 36px; }
    .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .diffs { grid-template-columns: 1fr 1fr; }
    .diff { border-bottom: 1px solid var(--line); }
    .diff:nth-child(2n) { border-right: none; }
    .compat-grid { grid-template-columns: repeat(3, 1fr); }
    .filter-row { flex-wrap: wrap; }
    .compat-head { align-items: start; }
    .specs-table { grid-template-columns: repeat(3, 1fr); }
    .spec-cell { border-bottom: 1px solid var(--line); }
    .spec-cell:nth-child(3n) { border-right: none; }
  }
  @media (max-width: 900px) {
    .wrap, .wrap-wide { padding: 0 20px; }
    .btn { white-space: normal; }
    section { padding: 60px 0; }
    .nav-links { display: none; }
    .nav-right .btn-ghost { display: none; }
    .nav-inner { height: 60px; }
    .util-inner { font-size: 11px; }
    .util-right { gap: 14px; }
    h1.headline { font-size: clamp(32px, 8.5vw, 46px); }
    .section-head h2 { font-size: clamp(26px, 7vw, 36px); }
    .faq h2 { font-size: clamp(26px, 7vw, 36px) !important; }
    .lede { font-size: 17px; }
    .steps { grid-template-columns: 1fr; }
    .seals-inner { grid-template-columns: 1fr 1fr; gap: 18px 0; }
    .seal:nth-child(2n) { border-right: none; }
    .diffs { grid-template-columns: 1fr; }
    .diff { border-right: none; }
    .compat-grid { grid-template-columns: 1fr 1fr; }
    .compat-fallback { grid-template-columns: 1fr 1fr !important; }
    .specs-table { grid-template-columns: 1fr 1fr; }
    .spec-cell:nth-child(2n) { border-right: none; }
    .form { padding: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
    .foot-bottom { flex-direction: column; gap: 14px; align-items: flex-start; }
    .foot-bottom .items { flex-wrap: wrap; gap: 14px 20px; }
  }
  @media (max-width: 460px) {
    .wrap, .wrap-wide { padding: 0 16px; }
    .seals-inner { grid-template-columns: 1fr; }
    .seal { border-right: none; border-bottom: 1px solid var(--line-soft); padding: 14px 0; }
    .seal:last-child { border-bottom: none; }
    .compat-grid, .compat-fallback { grid-template-columns: 1fr !important; }
    .specs-table { grid-template-columns: 1fr; }
    .spec-cell { border-right: none; }
    .foot-grid { grid-template-columns: 1fr; gap: 26px; }
    .cta-row { flex-direction: column; align-items: stretch; }
    .cta-row .btn { width: 100%; justify-content: center; }
  }

  /* CTA "Quero o meu" — levemente pulsante */
  @keyframes ks-pulse{0%,100%{filter:drop-shadow(0 0 0 transparent);}50%{filter:drop-shadow(0 2px 12px oklch(72% 0.19 48 / 0.5));}}
  .nav-right .btn-primary, .contact .cta-row .btn-primary{animation:ks-pulse 2.4s ease-in-out infinite;will-change:filter;}
  .nav-right .btn-primary:hover, .contact .cta-row .btn-primary:hover{animation:none;}
  @media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}}

/* Skip-link acessibilidade */
.skip-link { position: absolute; left: 8px; top: -48px; z-index: 200; background: var(--accent); color: var(--accent-ink, #1a0e05); padding: 10px 16px; border-radius: 8px; text-decoration: none; font-weight: 600; transition: top .15s; }
.skip-link:focus { top: 8px; }

/* Anel de foco de teclado global (propaga p/ todas as páginas) */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

/* Passo a passo em texto nas fichas de manual */
.prose .install-steps { margin: 10px 0 6px; padding-left: 24px; display: grid; gap: 11px; }
.prose .install-steps li { line-height: 1.55; color: var(--fg-1); padding-left: 4px; }
.prose .install-steps li::marker { color: var(--accent); font-family: 'JetBrains Mono', monospace; font-weight: 600; }
.prose .steps-cta { margin-top: 10px; font-size: 14px; color: var(--fg-2); }
.prose ~ .related-models, .related-models { margin-top: 34px; border-top: 1px solid var(--line); padding-top: 20px; }
.related-models h2 { font-size: 18px; margin-bottom: 12px; }
.related-models ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.related-models li a { color: var(--fg-1); font-size: 14px; }
.related-models li a:hover { color: var(--accent); }
.page-updated { margin-top: 10px; font-size: 13px; color: var(--fg-2); font-family: 'JetBrains Mono', monospace; }
.page-updated a { color: inherit; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
.page-updated a:hover { color: var(--accent-hi); }
.rating-line { margin-top: 4px; font-size: 14px; color: var(--fg-1); }
.rating-line { letter-spacing: .5px; }
.rating-line strong { color: var(--accent); }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 10px; }
.ficha-reviews { margin-top: 34px; border-top: 1px solid var(--line); padding-top: 20px; }
.ficha-reviews h2 { font-size: 18px; margin-bottom: 12px; }
.review-card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; margin: 0; }
.review-stars { color: var(--accent); letter-spacing: 2px; margin-bottom: 10px; }
.review-card p { color: var(--fg-1); line-height: 1.55; margin: 0 0 12px; font-size: 15px; }
.review-card cite { color: var(--fg-3); font-size: 12px; font-style: normal; font-family: 'JetBrains Mono', monospace; }

/* ——— Bloco "Certificado & patente" (hub /manual/) — as classes existiam no HTML sem CSS ——— */
.cert-block { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 8px 0 4px; }
.cert-item { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px 22px; box-shadow: var(--shadow-1); }
.cert-item .l { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-2); margin-bottom: 10px; }
.cert-item .v { font-family: 'Inter Tight', sans-serif; font-size: 20px; font-weight: 600; color: var(--fg-0); line-height: 1.25; display: flex; flex-direction: column; gap: 6px; }
.cert-item .v small { font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 400; color: var(--fg-2); line-height: 1.45; }

/* ——— Legibilidade das fichas: limita a largura da coluna de texto (~72ch), sem afetar vídeo/CTA ——— */
.prose p, .prose ul, .prose ol, .prose h2, .prose h3 { max-width: 72ch; }

/* ——— CTA de compra no topo da ficha (acima da dobra), logo após a nota ——— */
.ficha-cta-top { margin: 2px 0 12px; }