:root {
  --neural-blue: #65d9f3;
  --neural-blue-soft: rgba(101, 217, 243, 0.18);
  --platinum: #d7dcdd;
  --platinum-soft: rgba(215, 220, 221, 0.72);
  --steel: #89929a;
  --steel-dark: #36414a;
  --graphite: #111820;
  --core-black: #060a0f;
  --panel: rgba(9, 14, 20, 0.82);
  --panel-strong: rgba(6, 10, 15, 0.94);
  --border: rgba(166, 180, 188, 0.22);
  --border-strong: rgba(101, 217, 243, 0.36);
  --danger: #d17d6a;
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --dock-height: 68px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--core-black); }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 0%, rgba(101,217,243,0.08), transparent 32rem),
    radial-gradient(circle at 82% 12%, rgba(255,255,255,0.05), transparent 30rem),
    linear-gradient(180deg, #070b10 0%, #05070a 52%, #080d12 100%);
  color: var(--platinum-soft);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: -6rem;
  z-index: 4000;
  background: var(--platinum);
  color: var(--core-black);
  padding: .8rem 1rem;
  font-family: var(--font-mono);
}
.skip-link:focus { top: 1rem; }

::-webkit-scrollbar { width: 4px; background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(215,220,221,0.24); }
::-webkit-scrollbar-thumb:hover { background: var(--neural-blue); }

.blueprint-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(rgba(215,220,221,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(215,220,221,0.035) 1px, transparent 1px),
    linear-gradient(45deg, transparent 49.4%, rgba(101,217,243,0.018) 50%, transparent 50.6%);
  background-size: 44px 44px, 44px 44px, 160px 160px;
  opacity: .75;
}

#swarm-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 2;
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 18px clamp(18px, 4vw, 72px);
  background: linear-gradient(180deg, rgba(5,7,10,.86), rgba(5,7,10,.42), transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(215,220,221,0.06);
}
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: .85rem;
  color: var(--platinum);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-size: .76rem;
}
.brand-lockup img { width: 38px; height: 38px; object-fit: contain; opacity: .92; }
.topbar-meta { display: flex; gap: 1.2rem; color: var(--steel); font: 500 .66rem/1 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }

main {
  position: relative;
  z-index: 10;
  width: min(1600px, 100%);
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 72px) calc(var(--dock-height) + 70px);
}

.hero-grid {
  min-height: 96vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px) minmax(0, .86fr);
  align-items: center;
  gap: clamp(24px, 3vw, 56px);
  padding-top: 86px;
}

.panel, .glass-card {
  background: linear-gradient(180deg, rgba(13,19,27,.84), rgba(7,10,15,.86));
  border: 1px solid var(--border);
  box-shadow: 0 22px 70px rgba(0,0,0,.42);
  backdrop-filter: blur(14px);
  position: relative;
}
.panel::before, .glass-card::before {
  content: '';
  position: absolute;
  left: -1px;
  top: -1px;
  width: 22px;
  height: 22px;
  border-left: 1px solid var(--neural-blue);
  border-top: 1px solid var(--neural-blue);
  opacity: .72;
}
.panel::after, .glass-card::after {
  content: '';
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 22px;
  height: 22px;
  border-right: 1px solid var(--platinum);
  border-bottom: 1px solid var(--platinum);
  opacity: .26;
}

.hero-copy { padding: clamp(1.35rem, 2.6vw, 2.8rem); }
.right-panel { align-self: end; margin-bottom: 16vh; }
.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--neural-blue);
  font-family: var(--font-mono);
  font-size: .68rem;
  line-height: 1.7;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1 {
  margin: 0 0 1.3rem;
  color: #fff;
  font-weight: 500;
  line-height: .98;
  letter-spacing: -.06em;
  font-size: clamp(2.7rem, 6vw, 6.8rem);
}
.lead { color: var(--platinum); font-size: clamp(1.05rem, 1.6vw, 1.35rem); line-height: 1.7; max-width: 820px; }
p { line-height: 1.75; color: var(--platinum-soft); }
strong, b { color: var(--neural-blue); font-weight: 650; }

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }
a[role="button"], button {
  border-radius: 0 !important;
  font-family: var(--font-mono) !important;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .72rem !important;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease !important;
}
.primary-action, button {
  background: var(--platinum) !important;
  border: 1px solid var(--platinum) !important;
  color: #05070a !important;
}
.secondary-action {
  background: transparent !important;
  border: 1px solid var(--border-strong) !important;
  color: var(--neural-blue) !important;
}
a[role="button"]:hover, button:hover { transform: translateY(-2px); box-shadow: 0 0 26px rgba(101,217,243,.18); }

.hero-brand { display: grid; gap: .9rem; place-items: center; }
.brand-plate {
  width: min(92vw, 520px);
  aspect-ratio: .93;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(101,217,243,.12), transparent 24rem),
    linear-gradient(180deg, rgba(215,220,221,.045), rgba(215,220,221,.01));
  border: 1px solid rgba(215,220,221,.14);
  clip-path: polygon(6% 0, 100% 0, 100% 88%, 88% 100%, 0 100%, 0 10%);
  box-shadow: 0 32px 90px rgba(0,0,0,.56), inset 0 0 70px rgba(101,217,243,.055);
}
.brand-plate img {
  width: 93%;
  height: 93%;
  object-fit: contain;
  opacity: .92;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 22px rgba(101,217,243,.18));
}
.brand-caption {
  display: flex;
  justify-content: space-between;
  gap: 1.4rem;
  width: min(92vw, 520px);
  color: var(--steel);
  font: 500 .64rem/1.5 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .12em;
}

.split-section { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: clamp(20px, 4vw, 56px); min-height: 58vh; margin: 2vh 0 12vh; }
.visual-space { min-height: 420px; border: 1px dashed rgba(215,220,221,.14); background: rgba(255,255,255,.018); position: relative; }
.visual-label { position: absolute; left: 14px; top: 12px; font: .62rem/1.4 var(--font-mono); color: var(--steel); letter-spacing: .12em; }
.code-space {
  min-height: 420px;
  background: rgba(5,7,10,.88);
  border: 1px solid var(--border);
  border-left: 2px solid var(--platinum);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--platinum);
  overflow: hidden;
  box-shadow: inset 0 0 48px rgba(101,217,243,.035);
}
.code-line { opacity: 0; animation: fade-in-code .2s forwards; margin-bottom: .3rem; white-space: pre-wrap; line-height: 1.5; }
@keyframes fade-in-code { to { opacity: 1; } }

.content-section { margin: 13vh 0; }
.section-title {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  margin: 0 0 2.4rem;
  color: var(--neural-blue);
  font: 600 .76rem/1.3 var(--font-mono);
  letter-spacing: .28em;
  text-transform: uppercase;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--neural-blue), transparent); opacity: .65; }
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.card-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.glass-card { padding: clamp(1.2rem, 2vw, 2.2rem); min-height: 100%; }
.glass-card h3 { margin: 0 0 1rem; font: 600 1rem/1.45 var(--font-mono); color: #fff; letter-spacing: .02em; }
.glass-card p, .glass-card li { font-size: .9rem; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2rem; }
.metric { padding: 1.4rem; border: 1px solid var(--border); background: rgba(255,255,255,.02); }
.metric strong { display:block; font: 600 clamp(1.6rem, 4vw, 2.8rem)/1 var(--font-mono); color: #fff; margin-bottom: .45rem; }
.metric span { display:block; font: .64rem/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: .15em; color: var(--neural-blue); }

.authority-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.disclosure { color: var(--steel); font: .72rem/1.8 var(--font-mono); margin-top: 1rem; }
.tag-list { display:flex; flex-wrap: wrap; gap: .55rem; margin-top: 1rem; }
.tag-list span { border: 1px solid var(--border); color: var(--platinum); padding: .35rem .55rem; font: .62rem/1 var(--font-mono); text-transform: uppercase; letter-spacing: .1em; background: rgba(255,255,255,.025); }

.model-flow { display:grid; grid-template-columns: repeat(5, 1fr); gap: .65rem; align-items: stretch; }
.flow-step { border:1px solid var(--border); background: rgba(255,255,255,.018); padding: 1rem; min-height: 130px; }
.flow-step h4 { margin:0 0 .7rem; font: 600 .78rem/1.35 var(--font-mono); color: var(--neural-blue); }
.flow-step p { margin:0; font-size:.82rem; }

input, textarea {
  background: rgba(5,7,10,.72) !important;
  border: 1px solid var(--border) !important;
  border-radius: 0 !important;
  color: var(--platinum) !important;
  font-family: var(--font-mono) !important;
  font-size: .82rem !important;
}
input:focus, textarea:focus { border-color: var(--neural-blue) !important; box-shadow: 0 0 0 2px rgba(101,217,243,.12) !important; }
.form-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: end; }

.bottom-dock {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  width: min(94vw, 1180px);
  min-height: var(--dock-height);
  z-index: 1200;
  display: grid;
  grid-template-columns: 230px 1fr 220px;
  gap: 1rem;
  align-items: center;
  padding: .85rem 1.4rem;
  background: rgba(5,7,10,.88);
  border: 1px solid var(--border);
  border-top: 2px solid var(--platinum);
  box-shadow: 0 22px 72px rgba(0,0,0,.78);
  backdrop-filter: blur(18px);
  clip-path: polygon(0 0, 96.5% 0, 100% 17px, 100% 100%, 0 100%);
  font-family: var(--font-mono);
}
.dock-status { display:flex; align-items:center; gap:.75rem; color: var(--neural-blue); font-size:.68rem; letter-spacing:.08em; }
.dock-pulse { width:8px; height:8px; border-radius:50%; background:var(--neural-blue); box-shadow:0 0 12px var(--neural-blue); animation:pulse 1.4s infinite alternate; }
@keyframes pulse { from { opacity:.35; transform:scale(.86);} to {opacity:1; transform:scale(1.15);} }
.dock-links { display:flex; justify-content:center; gap: clamp(.65rem, 2vw, 2rem); flex-wrap: wrap; }
.dock-links a { color: var(--platinum-soft); text-decoration: none; font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.dock-links a:hover { color: #fff; text-shadow: 0 0 10px rgba(101,217,243,.4); }
.dock-telemetry { color: var(--steel); text-align:right; font-size:.66rem; letter-spacing:.06em; }

@media (max-width: 1180px) {
  .hero-grid { grid-template-columns: 1fr; padding-top: 128px; }
  .right-panel { margin-bottom: 0; }
  .split-section, .authority-layout, .card-grid.two { grid-template-columns: 1fr; }
  .card-grid, .metric-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-flow { grid-template-columns: repeat(2, 1fr); }
  .bottom-dock { grid-template-columns: 1fr; text-align: center; clip-path:none; position: static; transform:none; margin: 4rem auto 1rem; }
  .dock-status { justify-content:center; }
  .dock-telemetry { text-align:center; }
}
@media (max-width: 640px) {
  .topbar { align-items:flex-start; flex-direction: column; }
  .topbar-meta { flex-direction: column; gap: .45rem; }
  .card-grid, .metric-row, .model-flow, .form-row { grid-template-columns: 1fr; }
  .hero-actions { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  #swarm-canvas { opacity: .35; }
}