/* =========================================================================
   DESOCULTADOR — style.css
   Design tokens, base, layout, components.
   Funciona 100% offline (file://) — sem dependências externas.
   ========================================================================= */

/* ---------- 1. TOKENS ---------- */
:root {
  /* cor */
  --color-black: #000000;
  --color-dark: #0a0a0a;
  --color-dark-2: #111111;
  --color-dark-3: #17140d;
  --color-line: #262117;
  --color-gold: #ffae00;
  --color-gold-light: #ffd166;
  --color-gold-dim: #8a6a1f;
  --color-ink: #f2ede1;
  --color-ink-dim: #b6ada0;
  --color-ink-faint: #7a7266;
  --color-danger: #ff5a3c;

  /* tipografia — pilhas de sistema (sem CDN); ver README para trocar por @font-face local */
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Noto Serif", ui-serif, serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, ui-sans-serif, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  /* escala tipográfica fluida */
  --fs-hero: clamp(2.6rem, 6vw + 1rem, 6.4rem);
  --fs-h1: clamp(2.1rem, 3vw + 1rem, 3.4rem);
  --fs-h2: clamp(1.5rem, 2vw + 0.8rem, 2.3rem);
  --fs-h3: clamp(1.15rem, 1vw + 0.7rem, 1.5rem);
  --fs-lead: clamp(1.05rem, 0.4vw + 0.95rem, 1.3rem);
  --fs-body: clamp(1rem, 0.15vw + 0.95rem, 1.075rem);
  --fs-small: 0.875rem;
  --fs-micro: 0.75rem;

  /* espaço */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6.5rem;

  /* layout */
  --container-max: 1240px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
  --radius: 2px;
  --header-h: 76px;

  /* movimento */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 180ms;
  --dur-med: 420ms;
  --dur-slow: 900ms;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
body {
  margin: 0;
  background: var(--color-black);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure { margin: 0; }

/* foco visível — acessibilidade */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: 1px;
}

/* leitor de tela apenas */
.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;
}
.skip-link {
  position: absolute; left: 1rem; top: -60px;
  background: var(--color-gold); color: var(--color-black);
  padding: 0.6rem 1rem; z-index: 200; font-weight: 700;
  transition: top var(--dur-fast) var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---------- 3. TIPOGRAFIA ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--color-gold);
  display: inline-block;
}
h1, .h1 { font-family: var(--font-display); font-size: var(--fs-h1); font-weight: 600; line-height: 1.08; letter-spacing: -0.01em; }
h2, .h2 { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 600; line-height: 1.15; }
h3, .h3 { font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 600; line-height: 1.3; }
.lead { font-size: var(--fs-lead); color: var(--color-ink-dim); line-height: 1.65; }
.gold { color: var(--color-gold); }
.text-dim { color: var(--color-ink-dim); }
.text-faint { color: var(--color-ink-faint); }
.font-display { font-family: var(--font-display); }

/* ---------- 4. LAYOUT ---------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  width: 100%;
}
.section { padding-block: var(--space-6); position: relative; }
.section-head { max-width: 640px; margin-bottom: var(--space-4); display: grid; gap: var(--space-2); }
.divider {
  border: none; height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-line) 20%, var(--color-line) 80%, transparent);
  margin: 0;
}
.hairline-gold {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold) 50%, transparent);
  width: 100%;
}
.grid { display: grid; gap: var(--space-3); }

/* ---------- 5. HEADER ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h);
  z-index: 100; display: flex; align-items: center;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
  transition: background var(--dur-fast) var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }

.logo { display: flex; align-items: center; gap: 0.65rem; font-family: var(--font-display); font-size: 1.15rem; letter-spacing: 0.02em; }
.logo .mark { width: 30px; height: 30px; flex-shrink: 0; }
.logo strong { color: var(--color-ink); font-weight: 700; }
.logo em { font-style: normal; color: var(--color-gold); }

.nav-desktop { display: none; }
.nav-desktop ul { display: flex; align-items: center; gap: var(--space-4); }
.nav-desktop a {
  font-size: var(--fs-small); letter-spacing: 0.03em; text-transform: uppercase;
  color: var(--color-ink-dim); position: relative; padding-block: 0.4rem;
  transition: color var(--dur-fast) var(--ease);
}
.nav-desktop a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px;
  background: var(--color-gold); transition: right var(--dur-med) var(--ease);
}
.nav-desktop a:hover, .nav-desktop a[aria-current="page"] { color: var(--color-ink); }
.nav-desktop a:hover::after, .nav-desktop a[aria-current="page"]::after { right: 0; }

.nav-actions { display: flex; align-items: center; gap: var(--space-2); }

.btn-search {
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1px solid var(--color-line); border-radius: 50%;
  color: var(--color-ink-dim); transition: border-color var(--dur-fast), color var(--dur-fast);
}
.btn-search:hover { border-color: var(--color-gold); color: var(--color-gold); }
.btn-search svg { width: 17px; height: 17px; }

.hamburger {
  display: grid; place-items: center; width: 40px; height: 40px;
}
.hamburger .bar { width: 20px; height: 1.5px; background: var(--color-ink); position: relative; transition: background var(--dur-fast); }
.hamburger .bar::before, .hamburger .bar::after {
  content: ""; position: absolute; left: 0; width: 20px; height: 1.5px; background: var(--color-ink);
  transition: transform var(--dur-fast) var(--ease), top var(--dur-fast) var(--ease);
}
.hamburger .bar::before { top: -6px; }
.hamburger .bar::after { top: 6px; }
.hamburger[aria-expanded="true"] .bar { background: transparent; }
.hamburger[aria-expanded="true"] .bar::before { top: 0; transform: rotate(45deg); background: var(--color-gold); }
.hamburger[aria-expanded="true"] .bar::after { top: 0; transform: rotate(-45deg); background: var(--color-gold); }

/* menu mobile */
.nav-mobile {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 99;
  background: var(--color-black);
  transform: translateX(100%);
  transition: transform var(--dur-med) var(--ease);
  overflow-y: auto;
  border-top: 1px solid var(--color-line);
}
.nav-mobile[data-open="true"] { transform: translateX(0); }
.nav-mobile .container { padding-block: var(--space-4); display: grid; gap: var(--space-2); }
.nav-mobile a {
  font-family: var(--font-display); font-size: 1.6rem; padding-block: 0.55rem;
  border-bottom: 1px solid var(--color-line); color: var(--color-ink);
}
.nav-mobile a[aria-current="page"] { color: var(--color-gold); }
body[data-menu-open="true"] { overflow: hidden; }

/* ---------- 6. HERO ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding-top: var(--header-h);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse 80% 60% at 50% 15%, rgba(255,174,0,0.10), transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 85%, rgba(255,174,0,0.06), transparent 60%),
    var(--color-black);
}
#hero-canvas { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; }
.hero-content { text-align: center; margin-inline: auto; max-width: 900px; display: grid; gap: var(--space-3); justify-items: center; }
.hero-title { font-size: var(--fs-hero); }
.hero-title .line { display: block; }
.hero-title .accent { color: var(--color-gold); font-style: italic; }
.hero-cta { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; margin-top: var(--space-2); }
.hero-scroll {
  position: absolute; bottom: var(--space-3); left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: var(--color-ink-faint); font-size: var(--fs-micro); letter-spacing: 0.15em; text-transform: uppercase;
}
.hero-scroll .stem { width: 1px; height: 34px; background: linear-gradient(var(--color-gold), transparent); }

/* ---------- 7. BOTÕES ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.85rem 1.6rem; font-size: var(--fs-small); letter-spacing: 0.04em;
  text-transform: uppercase; border-radius: var(--radius); border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-gold); color: var(--color-black); font-weight: 700; }
.btn-primary:hover { background: var(--color-gold-light); }
.btn-ghost { border-color: var(--color-line); color: var(--color-ink); }
.btn-ghost:hover { border-color: var(--color-gold); color: var(--color-gold); }

/* ---------- 8. CARDS DE PILAR / ARTIGO ---------- */
.pillars-grid {
  grid-template-columns: repeat(1, 1fr);
}
.pillar-card {
  position: relative; padding: var(--space-3); border: 1px solid var(--color-line);
  background: linear-gradient(180deg, var(--color-dark-2), var(--color-dark));
  transition: border-color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
  display: grid; gap: 0.9rem; align-content: start;
}
.pillar-card:hover { border-color: var(--color-gold-dim); transform: translateY(-4px); }
.pillar-card .icon { width: 34px; height: 34px; color: var(--color-gold); }
.pillar-card .num { font-family: var(--font-mono); font-size: var(--fs-micro); color: var(--color-ink-faint); }
.pillar-card p { color: var(--color-ink-dim); font-size: var(--fs-small); }
.pillar-card .go { font-size: var(--fs-small); color: var(--color-gold); display: inline-flex; align-items: center; gap: 0.4rem; }

.articles-grid { grid-template-columns: repeat(1, 1fr); }
.article-card {
  border: 1px solid var(--color-line); background: var(--color-dark-2);
  display: grid; grid-template-rows: auto 1fr;
  transition: border-color var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
}
.article-card:hover { border-color: var(--color-gold-dim); transform: translateY(-4px); }
.article-card .thumb {
  aspect-ratio: 16/10; background: var(--color-dark-3); display: grid; place-items: center;
  position: relative; overflow: hidden;
}
.article-card .thumb svg { width: 46%; opacity: 0.55; color: var(--color-gold); }
.article-card .body { padding: var(--space-2) var(--space-3) var(--space-3); display: grid; gap: 0.6rem; align-content: start; }
.article-card .tag {
  font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-gold);
}
.article-card h3 { font-size: 1.15rem; }
.article-card .excerpt { color: var(--color-ink-dim); font-size: var(--fs-small); }
.article-card .meta { font-size: var(--fs-micro); color: var(--color-ink-faint); display: flex; gap: 0.8rem; }

/* ---------- 9. CITAÇÃO / SEÇÃO AUTOR ---------- */
.quote-block {
  border-left: 2px solid var(--color-gold); padding-left: var(--space-3);
  font-family: var(--font-display); font-size: var(--fs-h3); font-style: italic; color: var(--color-ink);
}
.author-strip {
  display: grid; gap: var(--space-3); align-items: center;
  padding: var(--space-4); border: 1px solid var(--color-line); background: var(--color-dark-2);
}
.author-strip img { width: 90px; height: 90px; border-radius: 50%; object-fit: cover; border: 1px solid var(--color-gold-dim); }
.author-strip .meta-name { font-family: var(--font-display); font-size: 1.1rem; }
.author-strip .meta-role { color: var(--color-ink-faint); font-size: var(--fs-small); }

/* ---------- 10. FAQ / ACCORDION ---------- */
.accordion-item { border-bottom: 1px solid var(--color-line); }
.accordion-trigger {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  gap: var(--space-2); padding-block: var(--space-2); text-align: left;
  font-family: var(--font-display); font-size: 1.05rem;
}
.accordion-trigger .plus { width: 18px; height: 18px; position: relative; flex-shrink: 0; }
.accordion-trigger .plus::before, .accordion-trigger .plus::after {
  content: ""; position: absolute; background: var(--color-gold); transition: transform var(--dur-fast) var(--ease);
}
.accordion-trigger .plus::before { left: 0; top: 50%; width: 100%; height: 1.5px; transform: translateY(-50%); }
.accordion-trigger .plus::after { top: 0; left: 50%; width: 1.5px; height: 100%; transform: translateX(-50%); }
.accordion-trigger[aria-expanded="true"] .plus::after { transform: translateX(-50%) rotate(90deg); opacity: 0; }
.accordion-panel {
  max-height: 0; overflow: hidden; transition: max-height var(--dur-med) var(--ease);
}
.accordion-panel .inner { padding-bottom: var(--space-3); color: var(--color-ink-dim); font-size: var(--fs-small); max-width: 60ch; }

/* ---------- 11. RODAPÉ ---------- */
.site-footer { border-top: 1px solid var(--color-line); padding-block: var(--space-5) var(--space-3); }
.footer-grid { grid-template-columns: 1fr; gap: var(--space-4); margin-bottom: var(--space-4); }
.footer-col h4 { font-family: var(--font-mono); font-size: var(--fs-micro); letter-spacing: 0.15em; text-transform: uppercase; color: var(--color-ink-faint); margin-bottom: var(--space-2); }
.footer-col ul { display: grid; gap: 0.55rem; }
.footer-col a { color: var(--color-ink-dim); font-size: var(--fs-small); transition: color var(--dur-fast); }
.footer-col a:hover { color: var(--color-gold); }
.footer-social { display: flex; gap: 0.7rem; flex-wrap: wrap; }
.footer-social a {
  width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--color-line); border-radius: 50%;
  color: var(--color-ink-dim); transition: border-color var(--dur-fast), color var(--dur-fast);
}
.footer-social a:hover { border-color: var(--color-gold); color: var(--color-gold); }
.footer-social svg { width: 16px; height: 16px; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: space-between; align-items: center; padding-top: var(--space-3); border-top: 1px solid var(--color-line); font-size: var(--fs-micro); color: var(--color-ink-faint); }

/* ---------- 12. PÁGINAS INTERNAS (artigo/pillar) ---------- */
.page-hero { padding-top: calc(var(--header-h) + var(--space-5)); padding-bottom: var(--space-4); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.4rem; font-size: var(--fs-micro); color: var(--color-ink-faint); margin-bottom: var(--space-2); }
.breadcrumb a { color: var(--color-ink-faint); }
.breadcrumb a:hover { color: var(--color-gold); }
.breadcrumb .sep { opacity: 0.5; }
.prose { max-width: 68ch; display: grid; gap: var(--space-2); }
.prose h2 { margin-top: var(--space-3); }
.prose p { color: var(--color-ink-dim); }
.prose strong { color: var(--color-ink); }
.callout {
  border: 1px solid var(--color-line); border-left: 2px solid var(--color-gold);
  padding: var(--space-2) var(--space-3); background: var(--color-dark-2); font-size: var(--fs-small); color: var(--color-ink-dim);
}
.tag-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: var(--space-2); }
.tag-pill {
  font-family: var(--font-mono); font-size: var(--fs-micro); text-transform: uppercase; letter-spacing: 0.06em;
  padding: 0.35rem 0.7rem; border: 1px solid var(--color-line); color: var(--color-ink-faint);
}

/* ---------- 13. BUSCA ---------- */
.search-box {
  display: flex; align-items: center; gap: var(--space-2);
  border: 1px solid var(--color-line); padding: 0.9rem 1.2rem; background: var(--color-dark-2);
}
.search-box svg { width: 20px; height: 20px; color: var(--color-gold); flex-shrink: 0; }
.search-box input { flex: 1; background: transparent; border: none; color: var(--color-ink); font-size: 1.05rem; }
.search-box input::placeholder { color: var(--color-ink-faint); }
.search-results { margin-top: var(--space-3); display: grid; gap: var(--space-2); }
.search-empty { color: var(--color-ink-faint); padding: var(--space-3) 0; }

/* ---------- 14. 404 ---------- */
.error-page {
  min-height: 100svh; display: grid; place-items: center; text-align: center;
  padding: var(--space-5) var(--container-pad); position: relative;
}
.error-code { font-family: var(--font-display); font-size: clamp(4rem, 14vw, 9rem); color: var(--color-gold); line-height: 1; }

/* ---------- 15. UTILITÁRIOS ---------- */
.mt-1{margin-top:var(--space-1)} .mt-2{margin-top:var(--space-2)} .mt-3{margin-top:var(--space-3)} .mt-4{margin-top:var(--space-4)}
.mb-1{margin-bottom:var(--space-1)} .mb-2{margin-bottom:var(--space-2)} .mb-3{margin-bottom:var(--space-3)}
.center{text-align:center}
.max-w-prose{max-width:60ch}