/* ============================================================
   gaaabriel — site v2
   Identidade: Ink/Paper (docs/site-pessoal/02-identidade-visual.md)
   Wireframes: Home Wireframes.dc.html (claude.ai/design)
   ============================================================ */

:root {
  --paper: #F5EFE2;
  --paper-dim: #efe9dd;
  --paper-soft: #e9e0cf;
  --ink: #1B1712;
  --graphite: #6B6255;
  --moss: #3F4F3A;
  --clay: #B85C38;
  --ochre: #B08A3E;
  --clay-text: #8A3F24;
  --clay-on-ink: #E08B68;
  --ochre-text: #765A20;

  --line-paper: #d6cbb6;
  --line-ink: #3a332b;
  --muted-ink: #9a9083;   /* texto secundário sobre ink */
  --muted-paper: #b3a894; /* texto apagado sobre paper */

  --serif: "Fraunces", Georgia, serif;
  --sans: "Archivo", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --r: 4px;
  --pad-x: clamp(20px, 4.2vw, 40px);
  --ease-out: cubic-bezier(.22, .61, .36, 1);
  --ease-curtain: cubic-bezier(.77, 0, .18, 1);
}

* { box-sizing: border-box; }

main, section, header, footer, nav, div, article, aside, figure { min-width: 0; }
figure { margin: 0; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

body.ink-page { background: var(--ink); color: var(--paper); }

img { max-width: 100%; display: block; height: auto; }

a { color: var(--moss); }
a:hover { color: var(--clay-text); }

a, button, input { touch-action: manipulation; }

:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--paper);
  color: var(--ink);
  font: 500 13px var(--sans);
  transform: translateY(-180%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: none; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

[id] { scroll-margin-top: 84px; }

h1, h2, h3 { margin: 0; font-family: var(--serif); font-weight: 500; }
p { margin: 0; }

::selection { background: var(--clay); color: var(--paper); }

/* ── Textura de grão (papel/tinta) ─────────────────────────── */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.055'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Textura de placeholder (acervo pendente) */
.tx-pending {
  background: repeating-linear-gradient(135deg, #e0d5c1 0 9px, var(--paper-soft) 9px 18px);
  display: flex;
  align-items: flex-end;
  padding: 14px;
  border-radius: var(--r);
}
.tx-pending span {
  font: 400 10px var(--mono);
  color: var(--graphite);
  letter-spacing: .06em;
}

/* ── Tipos utilitários ─────────────────────────────────────── */
.eyebrow {
  font: 500 11px var(--mono);
  letter-spacing: .18em;
  text-transform: uppercase;
}
.mono-tag { font: 400 11px var(--mono); letter-spacing: .06em; }

.sec-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-top: 1px solid var(--ink);
  padding-top: 18px;
  margin-bottom: 28px;
}
.sec-head .eyebrow { color: var(--graphite); letter-spacing: .18em; }
.sec-head .mono-tag { color: var(--graphite); }
.on-ink .sec-head { border-top-color: var(--line-ink); }
.on-ink .sec-head .eyebrow, .on-ink .sec-head .mono-tag { color: var(--graphite); }

.btn {
  display: inline-block;
  font: 500 15px var(--sans);
  text-decoration: none;
  padding: 16px 26px;
  border-radius: var(--r);
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background .25s, color .25s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(27, 23, 18, .16); }
.btn-moss { background: var(--moss); color: var(--paper); }
.btn-moss:hover { color: var(--paper); }
.btn-clay { background: var(--clay); color: #000; }
.btn-clay:hover { color: #000; }
.btn-ochre { background: var(--ochre); color: var(--ink); }
.btn-ochre:hover { color: var(--ink); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { color: var(--paper); }
.btn-paper { background: var(--paper); color: var(--ink); }
.btn-paper:hover { color: var(--ink); }
.btn-ghost-paper { border: 1px solid var(--paper); color: var(--paper); border-radius: 0; }
.btn-ghost-paper:hover { color: var(--paper); }

.link-under {
  font: 500 14px var(--sans);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 3px;
  align-self: flex-start;
  transition: color .25s;
}

.chip {
  font: 400 12px var(--mono);
  color: var(--graphite);
  border: 1px solid var(--line-paper);
  padding: 7px 12px;
  border-radius: var(--r);
  letter-spacing: .04em;
  white-space: nowrap;
}

/* ── Topbar (dentro do hero / topo da página) ──────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px var(--pad-x) 0;
}
.topbar.over-hero {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding-top: 26px;
  z-index: 5;
}

.hamb {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 26px;
  padding: 8px 0;
  background: none;
  border: 0;
  cursor: pointer;
}
.hamb i {
  height: 1.5px;
  background: currentColor;
  display: block;
  transition: transform .4s var(--ease-out), width .3s var(--ease-out);
}
.hamb:hover i:first-child { width: 70%; }

.wordmark {
  font: 500 20px var(--serif);
  text-decoration: none;
  letter-spacing: -.01em;
}
.wordmark.moss { color: var(--moss); }
.wordmark.paper { color: var(--paper); }

.langs {
  display: flex;
  gap: 14px;
  font: 500 11px var(--mono);
  letter-spacing: .08em;
}
.langs .off { opacity: .5; }

/* ── Barra fixa (wordmark encolhe pro menu no scroll) ──────── */
.fixbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--pad-x);
  background: rgba(27, 23, 18, .92);
  color: var(--paper);
  backdrop-filter: blur(8px);
  transform: translateY(-100%);
  transition: transform .5s var(--ease-out);
}
.fixbar.show { transform: none; }
.fixbar .wordmark { font-size: 17px; color: var(--paper); }
.fixbar .langs { color: var(--paper); }

/* ── Menu overlay (cortina sobe de baixo) ──────────────────── */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(100%);
  transition: transform .7s var(--ease-curtain);
  visibility: hidden;
  overflow: auto;
  overscroll-behavior: contain;
}
.menu-overlay.open { transform: none; visibility: visible; }
.menu-overlay.closing { visibility: visible; }

.menu-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: .16;
  filter: grayscale(.4);
}

.menu-inner {
  position: relative;
  height: 100%;
  padding: 26px var(--pad-x) 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.menu-close {
  font: 400 22px var(--mono);
  color: var(--paper);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 4px 8px;
  transition: transform .4s var(--ease-out);
}
.menu-close:hover { transform: rotate(90deg); }

.menu-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: end;
}

.menu-mains { display: flex; flex-direction: column; gap: 6px; }
.menu-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  text-decoration: none;
  color: var(--paper);
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s var(--ease-out), color .25s;
}
.menu-overlay.open .menu-item { opacity: 1; transform: none; }
.menu-item .n {
  font: 400 11px var(--mono);
  color: var(--graphite);
  width: 26px;
  transition: color .25s;
}
.menu-item .t { font: 500 clamp(38px, 5vw, 60px)/1.15 var(--serif); }
.menu-item:hover { color: var(--clay-on-ink); }
.menu-item:hover .n { color: var(--clay-on-ink); }
.menu-item.current, .menu-item.current .n { color: var(--clay-on-ink); }

.menu-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: 10px;
}
.menu-side-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .55s ease .3s, transform .55s var(--ease-out) .3s;
}
.menu-overlay.open .menu-side-group { opacity: 1; transform: none; }
.menu-side-group .eyebrow { color: var(--graphite); }
.menu-side-group a {
  font: 400 15px var(--sans);
  color: var(--paper);
  text-decoration: none;
  transition: color .25s;
}
.menu-side-group a:hover { color: var(--clay-on-ink); }

body.menu-open { overflow: hidden; }

/* ── Hero full-bleed ───────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 92svh;
  background: var(--ink);
  overflow: hidden;
  color: var(--paper);
}
.hero-media {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-media .par {
  position: absolute;
  inset: -12% 0;
  will-change: transform;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.js .hero-media img {
  transform: scale(1.07);
  opacity: 0;
  transition: transform 2s var(--ease-out), opacity 1.4s ease;
}
.js body.loaded .hero-media img { transform: scale(1); opacity: 1; }
.hero-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
}
/* onda em ASCII (canvas), opcional por página — ver assets/ascii-hero.js */
.hero-ascii {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  mix-blend-mode: soft-light;
}
.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  min-height: 92svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px var(--pad-x) 44px;
}
.js .hero-content > * {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .9s ease .35s, transform .9s var(--ease-out) .35s;
}
.js body.loaded .hero-content > * { opacity: 1; transform: none; }

/* ── Parallax genérico em bandas de imagem ─────────────────── */
.band {
  overflow: hidden;
  position: relative;
}
.band .par {
  position: absolute;
  inset: -14% 0;
  will-change: transform;
}
.band img { width: 100%; height: 100%; object-fit: cover; }

/* ── Reveal on scroll ──────────────────────────────────────────
   Só esconde quando o JS confirmou que está vivo (.js no <html>).
   Sem JS, tudo nasce visível — a animação é enfeite, não requisito. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease, transform .8s var(--ease-out);
}
.js [data-reveal].in { opacity: 1; transform: none; }

.js [data-stagger] > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s var(--ease-out);
}
.js [data-stagger].in > * { opacity: 1; transform: none; }

/* ── Rodapé ────────────────────────────────────────────────── */
.footer {
  background: var(--ink);
  color: var(--paper);
  padding: 48px var(--pad-x);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-brand .wm { font: 500 40px var(--serif); color: var(--paper); text-decoration: none; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 20px; font: 400 13px var(--sans); }
.footer-nav a { color: var(--paper); text-decoration: none; transition: color .25s; }
.footer-nav a:hover { color: var(--clay-on-ink); }
.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
  font: 400 12px var(--mono);
  color: var(--graphite);
}
.footer-meta a { color: var(--graphite); text-decoration: none; transition: color .25s; }
.footer-meta a:hover { color: var(--paper); }

/* ── Seções padrão ─────────────────────────────────────────── */
.sec { padding: 80px var(--pad-x); }
.split {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 56px;
  align-items: start;
}
.split .eyebrow { padding-top: 12px; }

.lede { font: 500 clamp(24px, 2.6vw, 32px)/1.45 var(--serif); text-wrap: pretty; }

/* ── Linhas de serviço/listas que acendem no hover ─────────── */
.rowlink {
  border-top: 1px solid var(--line-ink);
  display: flex;
  gap: 20px;
  align-items: baseline;
  padding: 26px 0;
  transition: background .3s, padding-left .35s var(--ease-out);
}
.rowlink:hover { padding-left: 10px; }
.rowlink .num { font: 400 11px var(--mono); color: var(--clay-on-ink); }
.rowlink h3 { font: 500 28px var(--serif); transition: color .25s; }
.rowlink p { font: 400 15px/1.5 var(--sans); }
.rowlink:hover h3 { color: var(--clay-on-ink); }

/* ── Reduced motion ────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], [data-stagger] > *, .hero-content > *, .hero-media img {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .par { transform: none !important; }
  .menu-overlay, .hero-scroll { transition: none; animation: none !important; }
}

/* ── Mobile ────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 20px; }
  .split .eyebrow { padding-top: 0; }
  .sec { padding: 48px var(--pad-x); }
  .menu-grid { grid-template-columns: 1fr; gap: 40px; align-items: start; }
  .menu-item .t { font-size: clamp(34px, 9vw, 44px); }
  .footer { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
  .footer-brand .wm { font-size: 30px; }
  .menu-inner { min-height: 100%; padding-bottom: max(28px, env(safe-area-inset-bottom)); }
  .topbar > .mono-tag, .fixbar > .mono-tag { display: none; }
}