/* ═══════════════════════════════════════════════════════════════════
 * Nodus RH — Documentação pública
 * Herda tokens visuais do landing.html pra continuidade de marca.
 * ═══════════════════════════════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

:root[data-theme="dark"]{
  --bg-0:#070b14;
  --bg-1:#0d1220;
  --surface:#0f1525;
  --surface-2:#171f37;
  --border:#1f2842;
  --border-strong:#2a3556;
  --text:#e8ecf5;
  --text-muted:#9ba3bd;
  --text-dim:#5d6582;
  --accent:#3b82f6;
  --accent-2:#06b6d4;
  --accent-hot:#8b5cf6;
  --success:#10b981;
  --warning:#f59e0b;
  --danger:#ef4444;
  --grid-rgb:59,130,246;
  --glow-rgb:59,130,246;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --shadow-lg:0 30px 100px rgba(0,0,0,.6),0 0 80px rgba(59,130,246,.15);
  --code-bg:rgba(255,255,255,.04);
}
:root[data-theme="light"]{
  --bg-0:#fafbfc;
  --bg-1:#f3f5f9;
  --surface:#ffffff;
  --surface-2:#f8fafc;
  --border:#e5e9f2;
  --border-strong:#cbd2e0;
  --text:#0c1424;
  --text-muted:#4b5570;
  --text-dim:#8d97ad;
  --accent:#0284c7;
  --accent-2:#0891b2;
  --accent-hot:#7c3aed;
  --success:#059669;
  --warning:#d97706;
  --danger:#dc2626;
  --grid-rgb:2,132,199;
  --glow-rgb:2,132,199;
  --shadow:0 20px 60px rgba(2,132,199,.08);
  --shadow-lg:0 30px 100px rgba(2,132,199,.12),0 0 80px rgba(2,132,199,.06);
  --code-bg:rgba(2,132,199,.06);
}

body{
  background:var(--bg-0);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  transition:background .3s,color .3s;
  min-height:100vh;
}
body::before{
  content:'';position:fixed;inset:0;
  background-image:
    linear-gradient(rgba(var(--grid-rgb),.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(var(--grid-rgb),.04) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;z-index:0;
  mask-image:radial-gradient(ellipse 70% 50% at 50% 0%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse 70% 50% at 50% 0%,#000 0%,transparent 70%);
}

a{color:var(--accent);text-decoration:none;transition:color .15s}
a:hover{color:var(--accent-2)}

h1,h2,h3,h4,h5{font-weight:800;letter-spacing:-.025em;line-height:1.2;color:var(--text)}
h1{font-size:clamp(1.9rem,3.6vw,2.6rem);margin-bottom:18px}
h2{font-size:clamp(1.4rem,2.6vw,1.85rem);margin:48px 0 18px;letter-spacing:-.02em}
h2:first-child{margin-top:0}
h3{font-size:1.18rem;margin:32px 0 12px}
h4{font-size:.95rem;margin:24px 0 10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}

p{margin:0 0 14px;color:var(--text-muted);font-size:.95rem}
.lede{font-size:1.1rem;color:var(--text-muted);max-width:680px;line-height:1.65;margin-bottom:32px}

strong{color:var(--text);font-weight:700}
em{color:var(--text-muted)}

ul,ol{margin:0 0 18px;padding-left:22px}
li{margin-bottom:6px;color:var(--text-muted);font-size:.95rem}
li strong{color:var(--text)}

code{
  font-family:'JetBrains Mono','SF Mono',Menlo,monospace;
  font-size:.85em;
  background:var(--code-bg);
  border:1px solid var(--border);
  padding:1px 6px;
  border-radius:4px;
  color:var(--accent);
}
pre{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:10px;
  padding:16px 18px;
  margin:18px 0;
  overflow-x:auto;
  font-family:'JetBrains Mono','SF Mono',Menlo,monospace;
  font-size:.82rem;
  line-height:1.55;
  color:var(--text);
}
pre code{background:none;border:none;padding:0;color:var(--text);font-size:inherit}

table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.9rem;background:var(--surface);border-radius:10px;overflow:hidden;border:1px solid var(--border)}
thead{background:var(--surface-2)}
th{text-align:left;padding:11px 14px;font-weight:700;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border)}
td{padding:11px 14px;border-bottom:1px solid var(--border);color:var(--text-muted)}
tr:last-child td{border-bottom:none}
td:first-child{color:var(--text);font-weight:600}

hr{border:none;border-top:1px solid var(--border);margin:40px 0}

/* ══════════ NAV ══════════ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:12px 0;
  background:color-mix(in srgb,var(--bg-0) 80%,transparent);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid var(--border);
}
.nav-row{max-width:1400px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;font-size:.95rem;letter-spacing:-.01em}
.brand:hover{color:var(--text)}
.brand-mark{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex;align-items:center;justify-content:center;
  font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.7rem;color:#fff;
  box-shadow:0 0 18px rgba(var(--glow-rgb),.45);
}
.brand-name span{color:var(--text-dim);font-weight:500;font-size:.74rem;margin-left:8px;padding-left:10px;border-left:1px solid var(--border)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-link{color:var(--text-muted);text-decoration:none;font-size:.86rem;font-weight:500;padding:6px 10px;border-radius:6px;transition:all .15s}
.nav-link:hover{color:var(--text);background:var(--surface)}
.theme-toggle{
  width:34px;height:34px;border-radius:8px;
  background:transparent;border:1px solid var(--border);
  cursor:pointer;color:var(--text-muted);
  display:flex;align-items:center;justify-content:center;
  transition:all .2s;
}
.theme-toggle:hover{color:var(--accent);border-color:var(--accent)}
.theme-toggle svg{width:15px;height:15px}
[data-theme="dark"] .icon-sun{display:block}
[data-theme="dark"] .icon-moon{display:none}
[data-theme="light"] .icon-sun{display:none}
[data-theme="light"] .icon-moon{display:block}

.btn{
  padding:9px 16px;border-radius:8px;font-size:.84rem;font-weight:600;
  text-decoration:none;border:none;cursor:pointer;transition:all .15s;
  display:inline-flex;align-items:center;gap:6px;font-family:inherit;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;box-shadow:0 4px 18px rgba(var(--glow-rgb),.32);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 26px rgba(var(--glow-rgb),.5);color:#fff}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-lg{padding:13px 26px;font-size:.92rem}

.burger{display:none;background:none;border:1px solid var(--border);border-radius:8px;color:var(--text);cursor:pointer;padding:7px;align-items:center;justify-content:center}
.burger svg{width:18px;height:18px}

/* ══════════ LAYOUT DOCS ══════════ */
.docs-shell{
  display:grid;
  grid-template-columns:260px minmax(0,1fr) 220px;
  gap:48px;
  max-width:1400px;
  margin:0 auto;
  padding:80px 24px 60px;
  position:relative;
  z-index:1;
}
.docs-sidebar{
  position:sticky;top:78px;align-self:start;
  max-height:calc(100vh - 100px);
  overflow-y:auto;
  padding-right:8px;
}
.docs-sidebar::-webkit-scrollbar{width:6px}
.docs-sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
.sidebar-group{margin-bottom:22px}
.sidebar-title{
  font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;
  color:var(--text-dim);margin-bottom:8px;padding:0 12px;
}
.sidebar-link{
  display:flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:7px;
  font-size:.84rem;color:var(--text-muted);
  text-decoration:none;transition:all .12s;
  border-left:2px solid transparent;margin-bottom:1px;
}
.sidebar-link:hover{background:var(--surface);color:var(--text)}
.sidebar-link.active{
  background:rgba(var(--glow-rgb),.08);
  color:var(--accent);
  border-left-color:var(--accent);
  font-weight:600;
}
.sidebar-link .emoji{font-size:.95rem;width:18px;text-align:center;flex-shrink:0}

.docs-main{min-width:0;max-width:780px}
.docs-eyebrow{
  display:inline-block;
  font-size:.7rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.14em;
  color:var(--accent);margin-bottom:14px;
}
.docs-meta{
  display:flex;flex-wrap:wrap;gap:14px;
  padding:14px 18px;background:var(--surface);
  border:1px solid var(--border);border-radius:10px;
  margin-bottom:32px;font-size:.78rem;color:var(--text-muted);
}
.docs-meta strong{color:var(--text);font-weight:600;margin-right:4px}
.docs-meta-item{display:flex;align-items:center;gap:6px}

.docs-toc{
  position:sticky;top:78px;align-self:start;
  font-size:.78rem;
}
.docs-toc-title{
  font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;
  color:var(--text-dim);margin-bottom:10px;
}
.docs-toc a{
  display:block;padding:5px 10px;
  color:var(--text-muted);text-decoration:none;
  border-left:2px solid var(--border);
  margin-bottom:1px;font-size:.78rem;line-height:1.4;
  transition:all .12s;
}
.docs-toc a:hover{color:var(--text);border-left-color:var(--text-dim)}
.docs-toc a.active{color:var(--accent);border-left-color:var(--accent);font-weight:600}
.docs-toc a.lvl-3{padding-left:22px;font-size:.74rem}

/* ══════════ CALLOUTS ══════════ */
.callout{
  background:var(--surface);
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:10px;
  padding:14px 18px;
  margin:22px 0;
}
.callout-title{font-weight:700;color:var(--text);margin-bottom:4px;display:flex;align-items:center;gap:8px;font-size:.92rem}
.callout p{margin:0;font-size:.9rem}
.callout p + p{margin-top:8px}
.callout.success{border-left-color:var(--success)}
.callout.warning{border-left-color:var(--warning)}
.callout.danger{border-left-color:var(--danger)}
.callout.tip{border-left-color:var(--accent-hot)}

/* ══════════ HERO (index) ══════════ */
.docs-hero{
  text-align:center;padding:120px 24px 60px;
  max-width:920px;margin:0 auto;position:relative;z-index:1;
}
.docs-hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border:1px solid var(--border);
  border-radius:100px;font-size:.76rem;color:var(--text-muted);
  margin-bottom:24px;background:var(--surface);
}
.pulse{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 12px var(--success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.docs-hero h1{
  font-size:clamp(2.2rem,5vw,3.8rem);
  letter-spacing:-.035em;line-height:1.05;margin-bottom:22px;
}
.docs-hero h1 .gradient{
  background:linear-gradient(135deg,var(--accent),var(--accent-2),var(--accent-hot));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.docs-hero .lede{
  font-size:clamp(1rem,1.8vw,1.18rem);
  max-width:640px;margin:0 auto 36px;
}
.docs-hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ══════════ GRID DE CARDS ══════════ */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:16px;margin:32px 0;
}
.card{
  display:block;text-decoration:none;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;
  padding:22px;
  transition:all .2s;
  color:var(--text);
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(var(--glow-rgb),.04),transparent 60%);
  opacity:0;transition:opacity .25s;pointer-events:none;
}
.card:hover{
  border-color:var(--accent);
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(var(--glow-rgb),.12);
  color:var(--text);
}
.card:hover::before{opacity:1}
.card-emoji{font-size:1.8rem;margin-bottom:10px;display:block}
.card-title{font-size:1.05rem;font-weight:700;margin-bottom:6px;color:var(--text);letter-spacing:-.01em}
.card-desc{font-size:.85rem;color:var(--text-muted);line-height:1.5;margin:0}
.card-tag{
  display:inline-block;padding:2px 8px;
  background:rgba(var(--glow-rgb),.1);color:var(--accent);
  font-size:.62rem;font-weight:700;border-radius:100px;
  text-transform:uppercase;letter-spacing:.06em;margin-top:10px;
}

/* ══════════ PROSE — content body ══════════ */
.prose > p:first-child{font-size:1.08rem;color:var(--text-muted);line-height:1.65;margin-bottom:28px}

.prose img,.prose svg{max-width:100%;height:auto;border-radius:10px;margin:18px 0}

.feature-list{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin:22px 0;
}
.feature-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:14px 16px;
}
.feature-item-title{font-weight:700;color:var(--text);font-size:.92rem;margin-bottom:4px;display:flex;align-items:center;gap:6px}
.feature-item-desc{font-size:.82rem;color:var(--text-muted);margin:0;line-height:1.5}

.step-list{counter-reset:step;padding-left:0;list-style:none;margin:18px 0}
.step-list > li{
  counter-increment:step;
  padding:14px 16px 14px 52px;background:var(--surface);
  border:1px solid var(--border);border-radius:10px;
  margin-bottom:8px;position:relative;color:var(--text);font-size:.92rem;
}
.step-list > li::before{
  content:counter(step);
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;font-weight:700;font-size:.78rem;
  display:flex;align-items:center;justify-content:center;
  font-family:'JetBrains Mono',monospace;
}

.badge{
  display:inline-block;padding:2px 8px;border-radius:6px;
  font-size:.66rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  background:rgba(var(--glow-rgb),.1);color:var(--accent);
  vertical-align:middle;margin-left:6px;
}
.badge.beta{background:rgba(245,158,11,.12);color:var(--warning)}
.badge.new{background:rgba(16,185,129,.12);color:var(--success)}
.badge.pro{background:rgba(124,58,237,.12);color:var(--accent-hot)}

/* ══════════ NEXT/PREV ══════════ */
.docs-pager{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
  margin-top:60px;padding-top:32px;border-top:1px solid var(--border);
}
.docs-pager a{
  display:block;padding:16px 18px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:10px;text-decoration:none;color:var(--text);
  transition:all .15s;
}
.docs-pager a:hover{border-color:var(--accent);transform:translateY(-1px)}
.docs-pager-dir{font-size:.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.docs-pager-title{font-weight:700;font-size:.96rem;color:var(--text)}
.docs-pager-next{text-align:right}

/* ══════════ FOOTER ══════════ */
.docs-footer{
  border-top:1px solid var(--border);
  padding:40px 24px;margin-top:60px;
  background:var(--surface);
}
.docs-footer-row{
  max-width:1400px;margin:0 auto;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:18px;
}
.docs-footer-links{display:flex;gap:22px;flex-wrap:wrap}
.docs-footer-links a{font-size:.82rem;color:var(--text-muted)}
.docs-footer-meta{font-size:.78rem;color:var(--text-dim);font-family:'JetBrains Mono',monospace}

/* ══════════ RESPONSIVO ══════════ */
@media (max-width:1100px){
  .docs-shell{grid-template-columns:240px minmax(0,1fr);gap:36px}
  .docs-toc{display:none}
}
@media (max-width:760px){
  .docs-shell{
    grid-template-columns:1fr;gap:0;
    padding:72px 18px 40px;
  }
  .docs-sidebar{
    position:fixed;top:0;left:-280px;bottom:0;width:260px;z-index:90;
    background:var(--bg-0);border-right:1px solid var(--border);
    max-height:100vh;padding:80px 14px 24px;
    transition:left .25s;
  }
  .docs-sidebar.open{left:0;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .sidebar-backdrop{
    display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:80;
  }
  .sidebar-backdrop.open{display:block}
  .burger{display:inline-flex}
  .nav-link.hide-mobile{display:none}
  .docs-main{max-width:100%}
  .docs-hero{padding:96px 18px 40px}
  .cards-grid{grid-template-columns:1fr}
  .docs-pager{grid-template-columns:1fr}
  .docs-pager-next{text-align:left}
}