/* Cybrox theme — Visual DNA OS product theme "cybrox" (governed values)
   primary #00BFFF · secondary #6366F1 · accent #EF4444 · background #06101A
   mood: defense, command, containment
   motion signature: red threat pulses blocked by blue containment rings   */
:root {
  --cy-primary: #00BFFF;
  --cy-secondary: #6366F1;
  --cy-accent: #EF4444;
  --cy-bg: #06101A;
  --cy-glass: rgba(11, 25, 40, 0.72);
  --cy-glass-edge: rgba(0, 191, 255, 0.22);
  --cy-text: #D7E7F5;
  --cy-dim: #7E96AC;
  --cy-ok: #22D3A7;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--cy-bg);
  color: var(--cy-text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: var(--cy-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- nav ---------- */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 26px;
  padding: 14px 34px;
  background: linear-gradient(180deg, rgba(6,16,26,.92), rgba(6,16,26,.55));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0,191,255,.12);
}
nav .brand { font-weight: 700; letter-spacing: .12em; color: var(--cy-text); }
nav .brand .sword { color: var(--cy-primary); }
nav a { color: var(--cy-dim); font-size: 14px; letter-spacing: .04em; }
nav a:hover { color: var(--cy-primary); text-decoration: none; }
nav .cta {
  margin-left: auto; padding: 8px 18px; border-radius: 999px;
  border: 1px solid var(--cy-glass-edge); color: var(--cy-primary) !important;
  background: rgba(0,191,255,.08);
}
nav .cta:hover { background: rgba(0,191,255,.16); }

/* ---------- hero ---------- */
.hero { position: relative; height: 100vh; min-height: 620px; display: flex;
  align-items: center; justify-content: center; text-align: center; }
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 2; max-width: 880px; padding: 0 24px; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 62px); font-weight: 800; letter-spacing: .01em;
  background: linear-gradient(100deg, #EAF6FF 20%, var(--cy-primary) 55%, var(--cy-secondary) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 42px rgba(0,191,255,.25);
}
.hero p.sub { margin: 22px auto 0; max-width: 640px; color: var(--cy-dim);
  font-size: clamp(15px, 1.7vw, 19px); }
.hero .proof-strip { margin-top: 34px; display: flex; gap: 14px; justify-content: center;
  flex-wrap: wrap; }
.hero .proof-strip span {
  font-size: 13px; color: var(--cy-text); padding: 7px 14px; border-radius: 999px;
  background: var(--cy-glass); border: 1px solid var(--cy-glass-edge);
}
.hero .proof-strip b { color: var(--cy-primary); }
.hero .actions { margin-top: 38px; display: flex; gap: 16px; justify-content: center; }
.btn {
  padding: 13px 30px; border-radius: 999px; font-size: 15px; font-weight: 600;
  letter-spacing: .03em; transition: transform .18s ease, box-shadow .18s ease;
  display: inline-block;
}
.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn-primary {
  background: linear-gradient(120deg, var(--cy-primary), var(--cy-secondary));
  color: #04121F !important; box-shadow: 0 8px 30px rgba(0,191,255,.35);
}
.btn-ghost { border: 1px solid var(--cy-glass-edge); color: var(--cy-text) !important;
  background: rgba(11,25,40,.5); }
.btn-ghost:hover { border-color: var(--cy-primary); }

/* ---------- sections ---------- */
section { padding: 64px 24px; max-width: 1120px; margin: 0 auto; }
section h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 750; margin-bottom: 14px; }
section h2 .k { color: var(--cy-primary); }
section .lede { color: var(--cy-dim); max-width: 720px; margin-bottom: 30px; }
.grid { display: grid; gap: 18px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); }
.card {
  background: var(--cy-glass); border: 1px solid var(--cy-glass-edge);
  border-radius: 18px; padding: 26px 26px 24px;
  backdrop-filter: blur(8px);
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: rgba(0,191,255,.5); transform: translateY(-3px); }
.card h3 { font-size: 17px; margin-bottom: 10px; color: #EAF6FF; }
.card p, .card li { font-size: 14px; color: var(--cy-dim); }
.card .num { font-size: 30px; font-weight: 800; color: var(--cy-primary); }
.card .num.red { color: var(--cy-accent); }
.card .num.ok { color: var(--cy-ok); }
.tag { display: inline-block; font-size: 11px; letter-spacing: .14em; padding: 4px 10px;
  border-radius: 999px; border: 1px solid var(--cy-glass-edge); color: var(--cy-primary);
  margin-bottom: 14px; text-transform: uppercase; }
.tag.red { color: var(--cy-accent); border-color: rgba(239,68,68,.35); }

/* ---------- steps / instructions ---------- */
ol.steps { counter-reset: s; list-style: none; }
ol.steps li { counter-increment: s; position: relative; padding: 18px 0 18px 64px;
  border-bottom: 1px solid rgba(0,191,255,.08); }
ol.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; left: 0; top: 16px; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px; font-weight: 800; color: var(--cy-primary);
  background: rgba(0,191,255,.08); border: 1px solid var(--cy-glass-edge);
}
ol.steps b { color: #EAF6FF; }
code, pre {
  font-family: "Cascadia Code", "Consolas", monospace;
  background: rgba(0,191,255,.07); border: 1px solid rgba(0,191,255,.14);
  border-radius: 8px; color: #BFEAFF; font-size: 13px;
}
code { padding: 2px 7px; }
pre { padding: 16px 18px; overflow-x: auto; margin: 12px 0; line-height: 1.5; }

/* ---------- footer ---------- */
footer { border-top: 1px solid rgba(0,191,255,.12); padding: 42px 24px 54px;
  text-align: center; color: var(--cy-dim); font-size: 13px; }
footer .sword { color: var(--cy-primary); }

/* ---------- white paper ---------- */
.paper h2 { margin-top: 54px; }
.paper h3 { margin: 30px 0 8px; color: #EAF6FF; font-size: 18px; }
.paper p, .paper li { color: var(--cy-dim); font-size: 15px; margin-bottom: 12px; }
.paper ul { padding-left: 22px; }
.paper .abstract { border-left: 3px solid var(--cy-primary); padding: 6px 0 6px 20px;
  margin: 26px 0 40px; color: var(--cy-text); font-size: 16px; }
.paper table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.paper th, .paper td { text-align: left; padding: 10px 12px;
  border-bottom: 1px solid rgba(0,191,255,.1); color: var(--cy-dim); }
.paper th { color: var(--cy-text); }
.toc { columns: 2; column-gap: 40px; font-size: 14px; }
.toc a { color: var(--cy-dim); display: block; padding: 3px 0; }
.toc a:hover { color: var(--cy-primary); }