:root{
  --bg: #080B14;
  --bg-soft: #0D1220;
  --surface: #121A2E;
  --surface-2: #17203A;
  --line: rgba(148,163,209,0.14);
  --line-strong: rgba(148,163,209,0.28);
  --text: #E9ECF7;
  --text-dim: #8B93B4;
  --text-faint: #565F81;
  --violet: #7C5CFF;
  --violet-soft: rgba(124,92,255,0.14);
  --cyan: #2FE0D4;
  --cyan-soft: rgba(47,224,212,0.14);
  --amber: #FFB454;
  --amber-soft: rgba(255,180,84,0.14);
  --danger: #FF6B6B;
  --ok: #7CF7B4;
  --accent: var(--violet);
  --accent-soft: var(--violet-soft);
  --radius: 14px;
  --ease: cubic-bezier(.16,.84,.44,1);
}
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(124,92,255,0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 10%, rgba(47,224,212,0.08), transparent 55%),
    var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
body[data-mode="admin"]{ --accent: var(--amber); --accent-soft: var(--amber-soft); }
h1,h2,h3, .display{ font-family:'Space Grotesk', sans-serif; letter-spacing:-0.01em; }
.mono{ font-family:'JetBrains Mono', monospace; }
a{ color:inherit; }
::selection{ background: var(--accent); color:#080B14; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

.wrap{ max-width:1180px; margin:0 auto; padding:0 32px; }

nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(8,11,20,0.72);
  border-bottom:1px solid var(--line);
}
nav .wrap{ display:flex; align-items:center; justify-content:space-between; height:68px; gap:16px; }
.logo{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; text-decoration:none; }
.logo-mark{ width:22px; height:22px; position:relative; flex:none; }
.logo-mark::before, .logo-mark::after{
  content:''; position:absolute; border-radius:50%;
  background: var(--accent);
  transition: background 0.6s var(--ease);
}
.logo-mark::before{ width:8px; height:8px; top:0; left:7px; box-shadow:0 0 10px var(--accent); }
.logo-mark::after{ width:5px; height:5px; bottom:1px; right:0; opacity:0.6; background:var(--cyan); }
.logo-word{ letter-spacing:0.06em; }
.logo-word span{ color:var(--text-faint); font-weight:400; }

.navlinks{ display:flex; align-items:center; gap:22px; font-size:14px; color:var(--text-dim); flex-wrap:wrap; }
.navlinks a{ text-decoration:none; transition:color 0.25s; }
.navlinks a:hover, .navlinks a.active{ color:var(--text); }
.nav-toggle{
  display:none;
  width:40px; height:40px; flex:none;
  flex-direction:column; justify-content:center; align-items:center; gap:5px;
  background:var(--surface); border:1px solid var(--line-strong); border-radius:10px; cursor:pointer;
}
.nav-toggle span{
  display:block; width:16px; height:2px; border-radius:2px; background:var(--text);
  transition: transform .2s var(--ease), opacity .2s;
}
body.nav-open .nav-toggle span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
body.nav-open .nav-toggle span:nth-child(2){ opacity:0; }
body.nav-open .nav-toggle span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
body.nav-open{ overflow:hidden; }

.btn{
  position:relative; overflow:hidden;
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Space Grotesk', sans-serif; font-weight:600; font-size:14px;
  padding:12px 22px; border-radius:10px;
  border:1px solid transparent; cursor:pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.25s, border-color 0.25s, background 0.25s;
  text-decoration:none; color:inherit;
}
.btn:active{ transform: scale(0.96); }
.btn-primary{
  background: linear-gradient(135deg, var(--violet), #9B7FFF);
  color:#0A0620;
}
body[data-mode="admin"] .btn-primary{
  background: linear-gradient(135deg, var(--amber), #ff8a5b);
  color:#1a1206;
}
.btn-primary:hover{ box-shadow: 0 8px 28px -6px rgba(124,92,255,0.65); transform: translateY(-1px); }
.btn-ghost{
  background: var(--surface);
  color: var(--text);
  border-color: var(--line-strong);
}
.btn-ghost:hover{ border-color: var(--accent); }
.btn-run{
  background: var(--surface-2);
  color: var(--cyan);
  border:1px solid rgba(47,224,212,0.35);
  font-family:'JetBrains Mono', monospace;
  font-size:12.5px;
  padding:9px 16px;
}
.btn-run:hover{ background: var(--cyan-soft); border-color: var(--cyan); }
.btn-run.loading{ color: var(--text-faint); pointer-events:none; }
.btn-danger{
  background: rgba(255,107,107,0.12);
  color: var(--danger);
  border:1px solid rgba(255,107,107,0.35);
}

.hero{ padding:72px 0 48px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'JetBrains Mono', monospace; font-size:12px; letter-spacing:0.08em;
  color: var(--cyan); background: var(--cyan-soft);
  border:1px solid rgba(47,224,212,0.3);
  padding:6px 12px; border-radius:999px;
  margin-bottom:22px;
  animation: fadeUp 0.7s var(--ease) both;
}
.eyebrow .dot{ width:6px; height:6px; border-radius:50%; background:var(--cyan); box-shadow:0 0 8px var(--cyan); animation: blink 2s ease-in-out infinite; }
@keyframes blink{ 0%,100%{ opacity:1;} 50%{opacity:0.35;} }
.hero h1{
  font-size:clamp(36px, 5.2vw, 62px);
  line-height:1.04; font-weight:700; margin:0 0 20px; max-width:860px;
  animation: fadeUp 0.7s 0.08s var(--ease) both;
}
.hero h1 em{
  font-style:normal;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p{
  color:var(--text-dim); font-size:17px; max-width:560px; line-height:1.6;
  margin:0 0 34px;
  animation: fadeUp 0.7s 0.16s var(--ease) both;
}
.hero .actions{ display:flex; flex-wrap:wrap; gap:14px; animation: fadeUp 0.7s 0.24s var(--ease) both; }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(14px);} to{opacity:1; transform:translateY(0);} }

.nodemap{
  margin-top:56px;
  border:1px solid var(--line);
  border-radius:20px;
  background: linear-gradient(180deg, var(--surface), var(--bg-soft));
  padding:28px;
  position:relative; overflow:hidden;
  animation: fadeUp 0.8s 0.3s var(--ease) both;
}
.nodemap-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; gap:12px; flex-wrap:wrap; }
.status-pill{
  display:flex; align-items:center; gap:7px;
  font-family:'JetBrains Mono', monospace; font-size:11.5px; color:var(--ok);
  background:rgba(124,247,180,0.1); border:1px solid rgba(124,247,180,0.3);
  padding:5px 11px; border-radius:999px;
}
.status-pill .dot{ width:6px; height:6px; border-radius:50%; background:var(--ok); box-shadow:0 0 6px var(--ok); }
.status-pill.bad{ color:var(--danger); background:rgba(255,107,107,.1); border-color:rgba(255,107,107,.35); }
.status-pill.bad .dot{ background:var(--danger); box-shadow:0 0 6px var(--danger); }

svg.trace{ width:100%; height:auto; display:block; }
.trace path{ fill:none; stroke:var(--line-strong); stroke-width:1.4; }
.trace .pulse{
  fill:none; stroke:var(--cyan); stroke-width:2.4;
  stroke-dasharray: 6 220;
  filter: drop-shadow(0 0 5px var(--cyan));
  animation: travel 3.4s linear infinite;
}
.trace .pulse.v2{ stroke:var(--violet); filter:drop-shadow(0 0 5px var(--violet)); animation-delay:1.1s; }
.trace .pulse.v3{ stroke:var(--amber); filter:drop-shadow(0 0 5px var(--amber)); animation-delay:2s; }
@keyframes travel{ from{ stroke-dashoffset:0; } to{ stroke-dashoffset:-460; } }
.node{ fill:var(--bg-soft); stroke:var(--line-strong); stroke-width:1.5; }
.node-core{ fill:var(--accent); }
.node-label{ font-family:'JetBrains Mono', monospace; font-size:11px; fill:var(--text-dim); }

.section{ padding:56px 0; }
.section-head{ margin-bottom:28px; }
.section-head h2{ font-size:28px; margin:0 0 8px; }
.section-head p{ color:var(--text-dim); margin:0; font-size:14.5px; max-width:560px; }
.tag{
  font-family:'JetBrains Mono', monospace; font-size:11.5px; color:var(--text-faint);
  letter-spacing:0.08em; text-transform:uppercase;
}

.grid{ display:grid; grid-template-columns:repeat(auto-fit, minmax(280px,1fr)); gap:16px; }
.card{
  background: var(--surface);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:22px;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}
.card:hover{
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: 0 16px 40px -20px rgba(0,0,0,0.6);
}
.card-top{ display:flex; align-items:center; gap:10px; margin-bottom:12px; flex-wrap:wrap; }
.method{
  font-family:'JetBrains Mono', monospace; font-size:11px; font-weight:600;
  padding:4px 9px; border-radius:6px;
}
.method.get{ background:rgba(47,224,212,0.14); color:var(--cyan); }
.method.post{ background:rgba(124,92,255,0.16); color:#B8A6FF; }
.method.put{ background:rgba(255,180,84,0.16); color:var(--amber); }
.method.patch{ background:rgba(255,180,84,0.16); color:var(--amber); }
.method.delete{ background:rgba(255,107,107,0.16); color:var(--danger); }
.path{ font-family:'JetBrains Mono', monospace; font-size:12.5px; color:var(--text); word-break:break-all; }
.card p.desc{ color:var(--text-dim); font-size:13.5px; line-height:1.55; margin:0 0 16px; }
.card-foot{ display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; }
.response{
  margin-top:14px; max-height:0; overflow:hidden;
  transition: max-height 0.45s var(--ease);
  border-radius:8px;
}
.response.open{ max-height:420px; overflow:auto; }
.response pre{
  margin:0; padding:14px; background:var(--bg-soft); border:1px solid var(--line);
  border-radius:8px; font-family:'JetBrains Mono', monospace; font-size:12px; color:#9be8c9;
  line-height:1.6; white-space:pre-wrap; word-break:break-word;
}
.response .k{ color:#7C9CFF; }
.response .s{ color:#FFB454; }

.page-hero{ padding:48px 0 20px; }
.page-hero h1{ font-size:clamp(28px,4vw,40px); margin:0 0 10px; }
.page-hero p{ color:var(--text-dim); margin:0; max-width:560px; }

.kv{
  display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:12px; margin:24px 0;
}
.kv .cell{
  background:var(--surface); border:1px solid var(--line); border-radius:12px; padding:16px;
}
.kv .n{ font-family:'Space Grotesk',sans-serif; font-size:22px; font-weight:700; }
.kv .l{ color:var(--text-faint); font-size:12px; margin-top:4px; font-family:'JetBrains Mono',monospace; }

footer{ border-top:1px solid var(--line); padding:28px 0; margin-top:24px; }
footer .wrap{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:14px; }
footer .mono{ font-size:12px; color:var(--text-faint); }

@media (max-width:900px){
  .wrap{ padding:0 16px; }
  nav .wrap{ height:58px; gap:10px; }
  .logo-word{ font-size:15px; }
  .logo-word span{ display:none; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:inline-flex; margin-left:auto; }

  .navlinks{
    display:none;
    position:fixed; top:58px; left:0; right:0; bottom:0; z-index:60;
    flex-direction:column; align-items:stretch; justify-content:flex-start;
    gap:0; padding:12px 16px 32px;
    background:rgba(8,11,20,0.96);
    backdrop-filter:blur(14px);
    border-top:1px solid var(--line);
    overflow:auto;
  }
  body.nav-open .navlinks{ display:flex; }
  .navlinks a{
    padding:14px 12px;
    border-bottom:1px solid var(--line);
    font-size:16px; color:var(--text);
  }
  .navlinks a.nav-admin{
    margin-top:16px; text-align:center;
    background:linear-gradient(135deg, var(--violet), #9B7FFF);
    color:#0A0620; font-weight:700; border:none; border-radius:10px;
  }

  .hero{ padding:40px 0 28px; }
  .hero h1{ font-size:clamp(30px, 9vw, 42px); }
  .hero p{ font-size:15px; margin-bottom:22px; }
  .hero .actions{ flex-direction:column; align-items:stretch; }
  .hero .actions .btn{ justify-content:center; width:100%; }
  .nodemap{ margin-top:32px; padding:16px 12px; border-radius:16px; }
  .nodemap-head{ margin-bottom:10px; }
  .nodemap-head .mono{ font-size:10px; }
  svg.trace{ max-height:160px; }

  .section{ padding:36px 0; }
  .section-head h2, .page-hero h1{ font-size:clamp(24px, 7vw, 32px); }
  .grid{ grid-template-columns:1fr; gap:12px; }
  .card{ padding:16px; }
  .card-top{ align-items:flex-start; }
  .path{ font-size:11.5px; }
  .card-foot{ align-items:stretch; }
  .card-foot .btn-run{ width:100%; justify-content:center; }
  .kv{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .response.open{ max-height:280px; }
  footer .wrap{ flex-direction:column; align-items:flex-start; gap:8px; padding-bottom:8px; }
}

@media (max-width:420px){
  .eyebrow{ font-size:11px; padding:5px 10px; }
  .kv{ grid-template-columns:1fr 1fr; gap:8px; }
  .kv .n{ font-size:18px; }
}