/* D34DW3B Network — identidade Anansi: preto-vazio + fio vermelho #D80102.
   Disciplina de duas cores. A voz é monoespaçada (a web morta transmite em mono);
   Orbitron entra só no wordmark e nos títulos. Assinatura: o Fio de Anansi. */
:root {
  --bg: #08080b;
  --bg-elev: #101016;
  --panel: #131319;
  --border: #232330;
  --text: #edeef4;
  --muted: #8c8c99;
  --dim: #56566a;
  --red: #d80102;
  --red-dim: #9c0102;
  --ember: #ff4a3d;
  --red-glow: rgba(216, 1, 2, 0.5);
  --link: #ff5a5b;
  --max: 820px;
  --font-display: "Orbitron", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.7 var(--font-mono);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Atmosfera: brilho da teia no topo + grão discreto (internet morta) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 60% at 50% -8%, rgba(216,1,2,0.12), transparent 60%),
    repeating-conic-gradient(from 0deg at 50% -2%, rgba(216,1,2,0.05) 0deg 0.35deg, transparent 0.35deg 11deg);
  opacity: 0.8;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
}
body > * { position: relative; z-index: 1; }

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 3px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(8,8,11,0.78);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  max-width: var(--max); margin: 0 auto; padding: 13px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; letter-spacing: 0.08em;
  color: var(--text); font-size: 0.98rem; white-space: nowrap;
}
.brand img { width: 26px; height: 26px; display: block; }
.brand .dot { color: var(--red); }
.nav-links { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 0.8rem; letter-spacing: 0.03em; text-transform: uppercase; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  color: var(--text) !important; border: 1px solid var(--red-dim);
  border-radius: 8px; padding: 6px 14px; text-transform: uppercase;
}
.nav-cta:hover { background: var(--red); color: #fff !important; border-color: var(--red); }

main { max-width: var(--max); margin: 0 auto; padding: 40px 22px 96px; }

/* ---------- Eyebrow (rótulo do fio) ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.68rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ember); font-weight: 500;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 10px var(--red-glow); }

/* ---------- HERO ---------- */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; align-items: center; padding: 20px 0 24px; }
.hero-copy { min-width: 0; }
.hero h1 {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(2.3rem, 6.2vw, 3.9rem); line-height: 1.02; letter-spacing: 0.01em;
  margin: 18px 0 18px;
}
.hero h1 .glow { color: var(--red); text-shadow: 0 0 26px var(--red-glow); }
.hero .lead { color: var(--muted); font-size: clamp(0.98rem, 2.2vw, 1.1rem); max-width: 46ch; margin: 0 0 26px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

.stage { position: relative; height: 380px; display: flex; align-items: center; justify-content: center; }
.stage::after {
  content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, var(--red-glow), transparent 62%); filter: blur(20px); z-index: 0;
}
model-viewer { width: 100%; height: 380px; background: transparent; --poster-color: transparent; z-index: 1; }

/* faixa de plataformas sob o hero */
.logos-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 6px; padding-top: 24px; border-top: 1px solid var(--border); }
.logos-row > span { font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); }
.logos-row ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 0; padding: 0; }
.logos-row li { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.05em; color: var(--muted); font-size: 0.86rem; }

/* ---------- Botões ---------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-family: var(--font-mono); font-weight: 600; font-size: 0.86rem; letter-spacing: 0.04em; text-transform: uppercase;
  border: 1px solid var(--border); color: var(--text); cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s, color .2s;
}
.btn:hover { text-decoration: none; border-color: var(--red-dim); box-shadow: inset 0 0 0 1px var(--red-dim); }
.btn.primary { background: var(--red); color: #fff; border-color: var(--red); }
.btn.primary:hover { background: var(--ember); border-color: var(--ember); box-shadow: 0 0 26px var(--red-glow); }

/* ================= O FIO DE ANANSI (espinha) ================= */
.strands { position: relative; padding-left: 46px; margin-top: 48px; }
/* o fio */
.strands::before {
  content: ""; position: absolute; left: 15px; top: 4px; bottom: 40px; width: 2px;
  background: linear-gradient(180deg, transparent, var(--red) 6%, var(--red-dim) 82%, transparent);
  transform: scaleY(0); transform-origin: top; animation: fio 1.7s 0.25s cubic-bezier(.2,.7,.2,1) forwards;
}
@keyframes fio { to { transform: scaleY(1); } }

.strand { position: relative; padding: 6px 0 4px; margin: 0 0 60px; }
/* nó no fio */
.strand::before {
  content: ""; position: absolute; left: -37px; top: 8px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--dim); transition: border-color .4s, background .4s, box-shadow .4s;
}
.strand.woven::before { border-color: var(--red); background: var(--red); box-shadow: 0 0 0 4px rgba(216,1,2,0.12), 0 0 14px var(--red-glow); }
/* revelação */
.strand { opacity: 0; transform: translateY(14px); transition: opacity .6s, transform .6s; }
.strand.woven { opacity: 1; transform: none; }

.strand > h2 {
  font-family: var(--font-display); font-weight: 800; letter-spacing: 0.01em;
  font-size: clamp(1.35rem, 3.6vw, 1.9rem); line-height: 1.12; margin: 10px 0 10px;
}
.strand > .lead { color: var(--muted); font-size: 0.96rem; max-width: 58ch; margin: 0 0 22px; }

/* trio de recursos */
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.card {
  background: linear-gradient(180deg, var(--panel), var(--bg-elev));
  border: 1px solid var(--border); border-radius: 14px; padding: 20px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--red-dim); transform: translateY(-3px); }
.card h3 { font-family: var(--font-display); font-weight: 700; margin: 0 0 8px; font-size: 0.98rem; letter-spacing: 0.03em; }
.card p { margin: 0; color: var(--muted); font-size: 0.86rem; }

/* módulos texto + mock */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; margin-top: 26px; }
.feat.reverse .feat-vis { order: -1; }
.feat-txt h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.02em; margin: 10px 0 10px; }
.feat-txt > p { color: var(--muted); font-size: 0.92rem; margin: 0 0 16px; }
.ticks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.ticks li { position: relative; padding-left: 22px; font-size: 0.9rem; color: #d7d7de; }
.ticks li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 6px; height: 6px; background: var(--red); border-radius: 50%; }

/* mockups de UI */
.mock { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 14px; box-shadow: 0 30px 60px -34px var(--red-glow); }
.mock-bar { display: flex; gap: 6px; margin-bottom: 12px; }
.mock-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.mock-bar span:first-child { background: var(--red); }
.mock-cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.mock-cal i { aspect-ratio: 1; border-radius: 5px; background: #17171f; border: 1px solid var(--border); display: block; }
.mock-cal i.on { background: var(--red); border-color: var(--red); }
.mock-cal i.on2 { background: var(--red-dim); border-color: var(--red-dim); }
.mock-bars { display: flex; align-items: flex-end; gap: 8px; height: 140px; padding-top: 6px; }
.mock-bars b { flex: 1; height: var(--h); background: linear-gradient(180deg, var(--ember), var(--red-dim)); border-radius: 5px 5px 0 0; }
.mock-chat { display: flex; flex-direction: column; gap: 8px; }
.mock-chat p { margin: 0; padding: 8px 12px; border-radius: 12px; font-size: 0.82rem; max-width: 82%; }
.mock-chat .them { background: #17171f; border: 1px solid var(--border); align-self: flex-start; border-bottom-left-radius: 3px; }
.mock-chat .me { background: var(--red); color: #fff; align-self: flex-end; border-bottom-right-radius: 3px; }
.mock-rows { display: flex; flex-direction: column; gap: 8px; }
.mock-rows .row { display: flex; justify-content: space-between; align-items: center; background: #17171f; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.mock-rows em { font-family: var(--font-display); font-style: normal; font-weight: 700; font-size: 0.86rem; }
.mock-rows small { color: var(--muted); font-size: 0.74rem; }

/* plataformas */
.plat-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 20px; }
.plat-grid .card h3 { color: var(--text); }

/* como funciona — passos ligados ao fio */
.steps { list-style: none; margin: 20px 0 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.steps li { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--border); }
.steps li:first-child { border-top: none; }
.steps .n { font-family: var(--font-display); font-weight: 900; font-size: 1.1rem; color: var(--red); }
.steps b { color: var(--text); }
.steps span.t { color: var(--muted); font-size: 0.92rem; }

/* FAQ */
.faq { margin-top: 18px; display: flex; flex-direction: column; }
.faq details { border-top: 1px solid var(--border); }
.faq details:last-child { border-bottom: 1px solid var(--border); }
.faq summary { cursor: pointer; padding: 16px 2px; font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.02em; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--red); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { margin: 0 0 16px; color: var(--muted); font-size: 0.88rem; max-width: 62ch; }

/* mito — citação */
.myth-quote { margin: 8px 0 0; padding: 30px 30px 30px 34px; border: 1px solid var(--border); border-left: 3px solid var(--red); border-radius: 4px; background: linear-gradient(180deg, rgba(216,1,2,0.07), transparent); }
.myth-quote h2 { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.03em; margin: 0 0 12px; }
.myth-quote p { margin: 0; color: #cfcfd8; font-size: 0.98rem; line-height: 1.7; }
.myth-quote .sig { display: block; margin-top: 14px; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--dim); }

/* CTA final */
.cta-final { text-align: center; margin-top: 20px; padding: 48px 26px; border: 1px solid var(--border); border-radius: 18px; background: radial-gradient(120% 100% at 50% 0%, rgba(216,1,2,0.14), transparent 70%); }
.cta-final h2 { font-family: var(--font-display); font-weight: 900; font-size: clamp(1.6rem, 4.4vw, 2.3rem); margin: 0 0 8px; }
.cta-final p { color: var(--muted); margin: 0 0 22px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 0.82rem; }
.footer-cols { max-width: var(--max); margin: 0 auto; padding: 40px 22px 20px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 26px; }
.footer-cols .fcol { display: flex; flex-direction: column; gap: 9px; }
.footer-cols .brandcol p { color: var(--muted); font-size: 0.8rem; margin: 6px 0 0; max-width: 260px; }
.footer-cols strong { font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); margin-bottom: 2px; }
.footer-cols a { color: #bfbfca; font-size: 0.84rem; }
.footer-cols a:hover { color: var(--text); }
.footer-base { max-width: var(--max); margin: 0 auto; padding: 16px 22px 48px; color: var(--dim); font-size: 0.78rem; border-top: 1px solid var(--border); }
/* footer legado (páginas legais) */
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 26px 22px 48px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-inner a { color: var(--muted); }
.footer-inner a:hover { color: var(--text); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ---------- Documentos / páginas legais ---------- */
.doc h1 { font-family: var(--font-display); font-weight: 900; letter-spacing: 0.02em; font-size: clamp(1.7rem, 5vw, 2.3rem); margin: 8px 0 6px; }
.doc .updated { color: var(--muted); font-size: 0.84rem; margin: 0 0 34px; }
.doc h2 { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.02em; font-size: 1.14rem; margin: 38px 0 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.doc h2:first-of-type { border-top: none; padding-top: 0; }
.doc h3 { font-family: var(--font-display); font-weight: 700; font-size: 0.98rem; margin: 24px 0 8px; }
.doc p, .doc li { color: #d3d3d9; }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc strong { color: var(--text); }
.doc a { color: var(--link); }
.doc .callout { background: var(--bg-elev); border: 1px solid var(--border); border-left: 3px solid var(--red); border-radius: 10px; padding: 16px 20px; margin: 24px 0; }
.doc code { background: #17171f; border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; font-size: 0.9em; }
.toc { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; margin: 0 0 34px; }
.toc strong { display: block; margin-bottom: 8px; font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.toc ol { margin: 0; padding-left: 20px; }
.toc li { margin: 3px 0; }

/* ---------- Responsivo ---------- */
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; text-align: left; }
  .stage, model-viewer { height: 300px; }
  .stage { order: -1; }
  .trio, .plat-grid { grid-template-columns: 1fr; }
  .feat { grid-template-columns: 1fr; gap: 18px; }
  .feat.reverse .feat-vis { order: 0; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .strands { padding-left: 34px; }
  .strands::before { left: 9px; }
  .strand::before { left: -31px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; }
  .strands::before { animation: none; transform: none; }
  .strand { opacity: 1; transform: none; }
  .card:hover, .card:hover { transform: none; }
}