/* ═══════════════════════════════════════════════════════
   PROJECT ARGUS — style.css
   Dark Cyberpunk / Military-Grade aesthetic
   ═══════════════════════════════════════════════════════ */

/* ── Reset & base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #020617;
  --bg-card:   #0f172a;
  --bg-card2:  #0a0f1e;
  --border:    rgba(51,65,85,0.6);
  --border-h:  rgba(16,185,129,0.35);
  --emerald:   #10b981;
  --emerald-d: rgba(16,185,129,0.15);
  --cyan:      #06b6d4;
  --cyan-d:    rgba(6,182,212,0.15);
  --violet:    #8b5cf6;
  --violet-d:  rgba(139,92,246,0.15);
  --amber:     #f59e0b;
  --amber-d:   rgba(245,158,11,0.15);
  --rose:      #f43f5e;
  --rose-d:    rgba(244,63,94,0.15);
  --teal:      #14b8a6;
  --teal-d:    rgba(20,184,166,0.15);
  --slate-3:   #94a3b8;
  --slate-4:   #64748b;
  --slate-5:   #475569;
  --slate-6:   #334155;
  --text:      #e2e8f0;
  --text-m:    #94a3b8;
  --text-d:    #64748b;
  --font-mono: 'Share Tech Mono', monospace;
  --font-disp: 'Orbitron', monospace;
  --font-body: 'Inter', sans-serif;
  --radius:    12px;
  --radius-lg: 20px;
  --topbar-h:  56px;
  --sidebar-w: 220px;
  --transition: 200ms cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

::selection { background: rgba(16,185,129,0.3); color: #fff; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--emerald); border-radius: 2px; }

/* ── Custom cursor ────────────────────────────────────── */
.cursor-dot {
  position: fixed; width: 6px; height: 6px;
  background: var(--emerald); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: transform 80ms ease;
}
.cursor-ring {
  position: fixed; width: 28px; height: 28px;
  border: 1.5px solid rgba(16,185,129,0.5); border-radius: 50%;
  pointer-events: none; z-index: 9999;
  transform: translate(-50%,-50%);
  transition: transform 160ms ease, width 200ms ease, height 200ms ease, opacity 200ms ease;
}
body:hover .cursor-dot { opacity: 1; }
a:hover ~ .cursor-ring, button:hover ~ .cursor-ring { width: 40px; height: 40px; }

/* ── Topbar ───────────────────────────────────────────── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--topbar-h); z-index: 100;
  background: rgba(2,6,23,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  height: 100%; display: flex; align-items: center;
  gap: 16px; padding: 0 20px;
}
.topbar-brand { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.brand-icon { color: var(--emerald); }
.brand-name {
  font-family: var(--font-disp); font-weight: 900;
  font-size: 13px; color: #fff; letter-spacing: .12em;
}
.status-ticker {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--emerald); letter-spacing: .2em;
  overflow: hidden; flex: 1;
}
.ticker-text { animation: fadeSlide 0.4s ease; }
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.topbar-badges { display: flex; gap: 6px; margin-left: auto; flex-shrink: 0; }
.hamburger {
  display: none; flex-direction: column; gap: 4px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 20px; height: 1.5px;
  background: var(--slate-3); border-radius: 2px;
  transition: var(--transition);
}

/* ── Layout ───────────────────────────────────────────── */
.layout {
  display: flex;
  padding-top: var(--topbar-h);
  min-height: 100vh;
}

/* ── Sidebar ──────────────────────────────────────────── */
.sidebar {
  position: sticky; top: var(--topbar-h);
  width: var(--sidebar-w); flex-shrink: 0;
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: rgba(2,6,23,0.7);
  backdrop-filter: blur(12px);
  padding: 24px 12px;
  display: flex; flex-direction: column; gap: 8px;
}
.sidebar-section-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-d); letter-spacing: .2em;
  text-transform: uppercase; padding: 0 10px; margin-bottom: 4px;
}
.nav-link {
  display: block; padding: 8px 12px;
  font-family: var(--font-mono); font-size: 13px;
  color: var(--text-m); text-decoration: none;
  border-radius: 8px; border-left: 2px solid transparent;
  transition: var(--transition);
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.04); }
.nav-link.active {
  color: var(--emerald);
  background: rgba(16,185,129,0.08);
  border-left-color: var(--emerald);
}
.sidebar-resources { margin-top: 24px; }
.resource-link {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-d); text-decoration: none;
  padding: 6px 10px; border-radius: 6px;
  transition: var(--transition);
}
.resource-link:hover { color: var(--emerald); }

/* ── Main content ─────────────────────────────────────── */
.main-content { flex: 1; min-width: 0; }

/* ── Sections ─────────────────────────────────────────── */
.section {
  position: relative; padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
.section-inner {
  max-width: 900px; margin: 0 auto; padding: 0 32px;
}
.section-header { margin-bottom: 48px; }
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--emerald); letter-spacing: .25em;
  text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-disp); font-weight: 900;
  font-size: clamp(28px, 4vw, 40px);
  color: #fff; line-height: 1.15; margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px; color: var(--text-m);
  max-width: 600px; line-height: 1.7;
}

/* ── Grid background ──────────────────────────────────── */
.grid-bg {
  position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(16,185,129,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,185,129,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
#hero .section-inner { position: relative; z-index: 1; }
#hero { padding: 100px 0; }

/* ── Glow balls ───────────────────────────────────────── */
body::before {
  content: ''; position: fixed; top: -100px; left: 15%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
body::after {
  content: ''; position: fixed; bottom: 15%; right: 10%;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.05) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}

/* ── Reveal animation ─────────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Badges ───────────────────────────────────────────── */
.badge {
  display: inline-block; padding: 3px 10px;
  font-family: var(--font-mono); font-size: 11px;
  border-radius: 6px; border: 1px solid; letter-spacing: .05em;
}
.badge-slate  { background: rgba(51,65,85,0.4); color: var(--slate-3); border-color: rgba(71,85,105,0.5); }
.badge-emerald{ background: var(--emerald-d); color: var(--emerald); border-color: rgba(16,185,129,0.4); }
.badge-cyan   { background: var(--cyan-d);    color: var(--cyan);    border-color: rgba(6,182,212,0.4); }
.badge-violet { background: var(--violet-d);  color: var(--violet);  border-color: rgba(139,92,246,0.4); }
.badge-amber  { background: var(--amber-d);   color: var(--amber);   border-color: rgba(245,158,11,0.4); }
.badge-rose   { background: var(--rose-d);    color: var(--rose);    border-color: rgba(244,63,94,0.4); }
.badge-teal   { background: var(--teal-d);    color: var(--teal);    border-color: rgba(20,184,166,0.4); }

/* ── Glow dot ─────────────────────────────────────────── */
.glow-dot {
  display: inline-block; width: 10px; height: 10px;
  border-radius: 50%; background: var(--emerald); flex-shrink: 0;
  box-shadow: 0 0 8px var(--emerald);
  animation: pulse-dot 2s ease-in-out infinite;
}
.glow-dot.small { width: 7px; height: 7px; }
@keyframes pulse-dot {
  0%,100% { opacity: 1; box-shadow: 0 0 6px var(--emerald); }
  50%      { opacity: .7; box-shadow: 0 0 16px var(--emerald); }
}

/* ── Hero section ─────────────────────────────────────── */
.hero-eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--emerald); letter-spacing: .2em;
  text-transform: uppercase; margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-disp); font-weight: 900;
  font-size: clamp(52px, 9vw, 92px);
  line-height: .95; margin-bottom: 24px;
}
.title-white { color: #fff; display: block; }
.title-accent {
  display: block;
  background: linear-gradient(90deg, var(--emerald), var(--cyan));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 17px; color: var(--text-m);
  max-width: 620px; line-height: 1.75; margin-bottom: 32px;
}
.accent-cyan   { color: var(--cyan); font-weight: 600; }
.accent-emerald{ color: var(--emerald); font-weight: 600; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 48px; }
.hero-stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.stat-card {
  background: rgba(15,23,42,0.7); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 16px; text-align: center;
}
.stat-value {
  font-family: var(--font-disp); font-size: 26px; font-weight: 900;
  color: var(--emerald); margin-bottom: 4px;
}
.stat-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-d); letter-spacing: .08em;
}

/* ── Pipeline diagram ─────────────────────────────────── */
.pipeline-diagram {
  background: rgba(9,14,31,0.8); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  overflow-x: auto; margin-bottom: 40px;
}
#archSvg { width: 100%; min-width: 640px; display: block; }

/* ── Why grid ─────────────────────────────────────────── */
.why-grid {
  display: grid; grid-template-columns: repeat(2,1fr); gap: 16px;
}
.why-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  transition: border-color var(--transition), transform var(--transition);
}
.why-card:hover { border-color: var(--border-h); transform: translateY(-2px); }
.why-icon { font-size: 22px; margin-bottom: 10px; }
.why-card h3 {
  font-family: var(--font-mono); font-size: 13px;
  color: var(--emerald); margin-bottom: 8px;
}
.why-card p { font-size: 13.5px; color: var(--text-m); line-height: 1.65; }

/* ── Math cards ───────────────────────────────────────── */
.math-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  margin-bottom: 24px;
}
.math-card-title {
  font-family: var(--font-disp); font-weight: 700;
  font-size: 18px; color: #fff; margin-bottom: 20px;
}
.math-text { font-size: 14px; color: var(--text-m); line-height: 1.7; margin-bottom: 16px; }
.math-block {
  background: rgba(2,6,23,0.7); border: 1px solid var(--slate-6);
  border-radius: 10px; padding: 18px 24px; margin: 16px 0;
  font-size: 15px; text-align: center; overflow-x: auto;
  color: var(--cyan);
}
.math-block .katex { color: var(--cyan); }

.model-stats-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 12px;
  margin-top: 24px;
}
.model-stat {
  background: rgba(9,14,31,0.8); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px;
}
.ms-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-d); margin-bottom: 4px; letter-spacing: .08em; }
.ms-value { font-family: var(--font-mono); font-size: 14px; color: var(--cyan); font-weight: 700; margin-bottom: 2px; }
.ms-sub   { font-family: var(--font-mono); font-size: 10px; color: var(--text-d); }
.ms-value.accent-emerald { color: var(--emerald); }

/* ── Stepper ──────────────────────────────────────────── */
.stepper {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
}
.stepper-dots {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px; flex-wrap: wrap;
}
.step-dot {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  cursor: pointer; border: 2px solid var(--slate-6);
  background: var(--bg-card2); color: var(--slate-4);
  transition: var(--transition); flex-shrink: 0;
}
.step-dot:hover { border-color: var(--slate-3); color: #fff; }
.step-dot.active { border-color: transparent; color: #fff; box-shadow: 0 0 12px rgba(16,185,129,0.4); }
.step-dot.done { opacity: .65; }
.step-dot.done svg { display: block; }

.stepper-controls {
  display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap;
}
.btn-primary {
  padding: 8px 18px; border-radius: 8px; font-family: var(--font-mono);
  font-size: 12px; cursor: pointer; border: 1px solid var(--emerald);
  background: rgba(16,185,129,0.1); color: var(--emerald);
  transition: var(--transition);
}
.btn-primary:hover { background: rgba(16,185,129,0.2); }
.btn-primary:disabled { opacity: .3; cursor: default; }
.btn-secondary {
  padding: 8px 18px; border-radius: 8px; font-family: var(--font-mono);
  font-size: 12px; cursor: pointer; border: 1px solid var(--slate-6);
  background: none; color: var(--slate-3);
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--slate-4); color: #fff; }
.btn-secondary:disabled { opacity: .3; cursor: default; }
.btn-auto {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; font-family: var(--font-mono);
  font-size: 12px; cursor: pointer; border: 1px solid var(--slate-6);
  background: none; color: var(--slate-3);
  transition: var(--transition); margin-left: auto;
}
.btn-auto.playing { border-color: var(--emerald); color: var(--emerald); background: rgba(16,185,129,0.08); }
.btn-auto:hover { border-color: var(--slate-4); color: #fff; }

.step-content {
  border-radius: 14px; padding: 24px;
  animation: stepIn .25s ease;
}
@keyframes stepIn {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}
.step-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.step-icon-wrap {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; flex-shrink: 0;
}
.step-title-wrap {}
.step-title {
  font-family: var(--font-disp); font-weight: 700;
  font-size: 17px; color: #fff; margin-bottom: 4px;
}
.step-desc { font-size: 14px; color: var(--text-m); line-height: 1.7; margin-bottom: 12px; }
.step-detail {
  background: rgba(2,6,23,0.6); border: 1px solid var(--slate-6);
  border-radius: 10px; padding: 14px 16px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--slate-4); line-height: 1.7;
}

/* ── Component grid ───────────────────────────────────── */
.component-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 16px;
}
.comp-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.comp-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.comp-icon-wrap {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 14px;
}
.comp-dir {
  font-family: var(--font-disp); font-weight: 700;
  font-size: 14px; color: #fff; margin-bottom: 4px;
}
.comp-role {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text-d); margin-bottom: 10px; letter-spacing: .04em;
}
.comp-desc { font-size: 13px; color: var(--text-m); line-height: 1.6; margin-bottom: 14px; }
.comp-badges { display: flex; flex-wrap: wrap; gap: 5px; }

/* ── Telemetry ────────────────────────────────────────── */
.telemetry-kpis {
  display: flex; flex-wrap: wrap; gap: 12px;
  align-items: center; margin-bottom: 24px;
}
.kpi-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 20px;
  min-width: 140px;
}
.kpi-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-d); letter-spacing: .08em; margin-bottom: 4px;
}
.kpi-value {
  font-family: var(--font-disp); font-size: 22px; font-weight: 900;
}
.kpi-value.cyan    { color: var(--cyan); }
.kpi-value.emerald { color: var(--emerald); }
.kpi-value.violet  { color: var(--violet); }
.kpi-value.amber   { color: var(--amber); }

.live-toggle {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px; border-radius: 8px; cursor: pointer;
  font-family: var(--font-mono); font-size: 11px;
  border: 1px solid var(--slate-6); background: none; color: var(--slate-4);
  transition: var(--transition); margin-left: auto;
}
.live-toggle.active {
  border-color: var(--emerald); color: var(--emerald);
  background: rgba(16,185,129,0.08);
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--slate-5);
}
.live-toggle.active .live-dot {
  background: var(--emerald);
  animation: pulse-dot 1.4s infinite;
}

.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.chart-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-d); letter-spacing: .1em;
  margin-bottom: 14px;
}

/* ── Sovereign View ───────────────────────────────────── */
.sovereign-wrap { margin-bottom: 32px; }
.sovereign-gui {
  position: relative; width: 100%; max-width: 760px; margin: 0 auto;
  aspect-ratio: 16/9; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid rgba(16,185,129,0.3);
  box-shadow: 0 0 40px rgba(16,185,129,0.1), 0 20px 60px rgba(0,0,0,0.5);
}
#terrainCanvas { width: 100%; height: 100%; display: block; }

/* CRT scanlines */
.sovereign-gui::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg,
    transparent, transparent 2px,
    rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
}

/* HUD text elements */
.hud-tl, .hud-tr, .hud-bl, .hud-br {
  position: absolute; z-index: 10;
  font-family: var(--font-mono); font-size: 11px;
}
.hud-tl { top: 14px; left: 16px; }
.hud-tr { top: 14px; right: 16px; text-align: right; }
.hud-bl { bottom: 14px; left: 16px; }
.hud-br { bottom: 14px; right: 16px; }
.hud-status { display: flex; align-items: center; gap: 7px; color: var(--emerald); margin-bottom: 3px; }
.hud-sub { color: var(--slate-5); line-height: 1.6; }
.hud-coord { line-height: 1.6; }
.hud-coord.emerald { color: var(--emerald); }
.hud-coord.cyan    { color: var(--cyan); }
.blink-slow { animation: blink 1.8s step-end infinite; }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:.3; } }

/* Corner brackets */
.corner {
  position: absolute; width: 22px; height: 22px;
  border-color: rgba(16,185,129,0.7); border-style: solid; z-index: 10;
}
.corner.tl { top: 10px; left: 10px; border-width: 2px 0 0 2px; }
.corner.tr { top: 10px; right: 10px; border-width: 2px 2px 0 0; }
.corner.bl { bottom: 10px; left: 10px; border-width: 0 0 2px 2px; }
.corner.br { bottom: 10px; right: 10px; border-width: 0 2px 2px 0; }

/* Crosshair */
.crosshair-wrap {
  position: absolute; z-index: 10;
  transform: translate(-50%,-50%);
}
.crosshair-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid rgba(16,185,129,0.65);
  transform: translate(-50%,-50%);
  left: 50%; top: 50%;
}
.crosshair-ring.outer {
  width: 64px; height: 64px;
  animation: ring-pulse 2s ease-in-out infinite;
}
.crosshair-ring.inner { width: 36px; height: 36px; }
@keyframes ring-pulse {
  0%,100% { opacity:.5; transform: translate(-50%,-50%) scale(1); }
  50%      { opacity:.2; transform: translate(-50%,-50%) scale(1.15); }
}
.crosshair-line {
  position: absolute; background: rgba(16,185,129,0.85);
}
.crosshair-line.h { height: 1px; top: 50%; transform: translateY(-50%); }
.crosshair-line.v { width: 1px; left: 50%; transform: translateX(-50%); }
.crosshair-line.h.left  { width: 18px; right: calc(50% + 6px); }
.crosshair-line.h.right { width: 18px; left:  calc(50% + 6px); }
.crosshair-line.v.top    { height: 18px; bottom: calc(50% + 6px); }
.crosshair-line.v.bottom { height: 18px; top:   calc(50% + 6px); }
.crosshair-dot {
  position: absolute; width: 6px; height: 6px; border-radius: 50%;
  background: var(--emerald); left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 10px var(--emerald);
}

.sovereign-info { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.info-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
}
.info-label {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text-d); letter-spacing: .15em;
  text-transform: uppercase; margin-bottom: 14px;
}
.info-list { list-style: none; }
.info-list li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: var(--text-m); line-height: 1.6;
  padding: 5px 0; border-bottom: 1px solid rgba(51,65,85,0.3);
}
.info-list li:last-child { border-bottom: none; }
.li-icon {
  width: 14px; height: 14px; flex-shrink: 0;
  margin-top: 2px; color: var(--emerald);
}
.li-icon.cyan { color: var(--cyan); }

/* ── Installation ─────────────────────────────────────── */
.install-steps { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.code-block-wrap {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.code-header {
  display: flex; align-items: center; gap: 10px;
  background: rgba(15,23,42,0.8); padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.code-dots { display: flex; gap: 6px; }
.code-dots span {
  width: 11px; height: 11px; border-radius: 50%;
}
.code-dots span:nth-child(1) { background: #ef4444; }
.code-dots span:nth-child(2) { background: #f59e0b; }
.code-dots span:nth-child(3) { background: #22c55e; }
.code-title {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--slate-4); flex: 1;
}
.copy-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 6px;
  background: rgba(51,65,85,0.4); border: 1px solid var(--slate-6);
  color: var(--slate-4); font-family: var(--font-mono); font-size: 10px;
  cursor: pointer; transition: var(--transition);
  letter-spacing: .06em;
}
.copy-btn:hover { background: rgba(51,65,85,0.7); color: #fff; }
.copy-btn.copied { border-color: var(--emerald); color: var(--emerald); }

.code-content {
  background: rgba(2,6,23,0.95); padding: 22px 20px;
  font-family: var(--font-mono); font-size: 13px;
  line-height: 1.75; overflow-x: auto; tab-size: 2;
}
.code-content code { color: var(--text-m); }
.c-comment { color: #475569; }
.c-cmd  { color: var(--emerald); }
.c-arg  { color: var(--cyan); }
.c-str  { color: var(--amber); }
.c-num  { color: var(--violet); }

.endpoints-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.endpoint-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 22px;
}
.endpoint-row {
  display: flex; justify-content: space-between;
  align-items: center; font-family: var(--font-mono); font-size: 13px;
  color: var(--text-m); padding: 8px 0;
  border-bottom: 1px solid rgba(51,65,85,0.3);
}
.endpoint-row:last-child { border-bottom: none; }
.endpoint-val { color: var(--emerald); }

.step-list { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.step-item {
  display: flex; gap: 10px; font-size: 13px;
  color: var(--text-m); line-height: 1.6;
}
.step-num { color: var(--emerald); font-family: var(--font-mono); font-weight: 700; flex-shrink: 0; }

/* ── Footer ───────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  max-width: 900px; margin: 0 auto; padding: 0 32px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.footer-brand {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-disp); font-weight: 900;
  font-size: 12px; color: #fff; letter-spacing: .1em;
}
.footer-meta {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-d);
}

/* ── Color helpers ────────────────────────────────────── */
.color-emerald { --card-accent: var(--emerald); --card-accent-d: var(--emerald-d); }
.color-cyan    { --card-accent: var(--cyan);    --card-accent-d: var(--cyan-d); }
.color-violet  { --card-accent: var(--violet);  --card-accent-d: var(--violet-d); }
.color-amber   { --card-accent: var(--amber);   --card-accent-d: var(--amber-d); }
.color-rose    { --card-accent: var(--rose);    --card-accent-d: var(--rose-d); }
.color-teal    { --card-accent: var(--teal);    --card-accent-d: var(--teal-d); }

.comp-card.color-emerald:hover { border-color: rgba(16,185,129,.4); box-shadow: 0 8px 40px rgba(16,185,129,.06); }
.comp-card.color-cyan:hover    { border-color: rgba(6,182,212,.4);  box-shadow: 0 8px 40px rgba(6,182,212,.06); }
.comp-card.color-violet:hover  { border-color: rgba(139,92,246,.4); box-shadow: 0 8px 40px rgba(139,92,246,.06); }
.comp-card.color-amber:hover   { border-color: rgba(245,158,11,.4); box-shadow: 0 8px 40px rgba(245,158,11,.06); }
.comp-card.color-rose:hover    { border-color: rgba(244,63,94,.4);  box-shadow: 0 8px 40px rgba(244,63,94,.06); }
.comp-card.color-teal:hover    { border-color: rgba(20,184,166,.4); box-shadow: 0 8px 40px rgba(20,184,166,.06); }

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-stats { grid-template-columns: repeat(2,1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .model-stats-grid { grid-template-columns: repeat(2,1fr); }
  .component-grid { grid-template-columns: 1fr 1fr; }
  .charts-grid { grid-template-columns: 1fr; }
  .sovereign-info { grid-template-columns: 1fr; }
  .endpoints-grid { grid-template-columns: 1fr; }
  .telemetry-kpis { gap: 8px; }
}

@media (max-width: 700px) {
  :root { --sidebar-w: 0px; }
  .sidebar {
    position: fixed; width: 240px; z-index: 80;
    transform: translateX(-100%); transition: transform 300ms ease;
    border-right: 1px solid var(--border);
  }
  .sidebar.open { transform: translateX(0); }
  .hamburger { display: flex; }
  .topbar-badges { display: none; }
  .status-ticker { display: none; }
  .hero-title { font-size: 52px; }
  .component-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2,1fr); }
  .model-stats-grid { grid-template-columns: 1fr 1fr; }
  .section-inner { padding: 0 18px; }
  .math-card { padding: 20px; }
  .stepper { padding: 20px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .model-stats-grid { grid-template-columns: 1fr 1fr; }
  .step-dot { width: 30px; height: 30px; font-size: 12px; }
}

@media (pointer: coarse) {
  body { cursor: auto; }
  .cursor-dot,
  .cursor-ring { display: none !important; }
}

@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;
  }

  .reveal,
  .reveal.visible {
    opacity: 1;
    transform: none;
  }
}