@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@300;400;500&family=Inter:wght@400;600;800&display=swap');

:root {
  --bg: #040615;
  --panel: rgba(255,255,255,.055);
  --cyan: #00f5ff;
  --green: #35ff9f;
  --pink: #ff2bd6;
  --violet: #8d5cff;
  --gold: #ffe66d;
  --text: #eaf7ff;
  --muted: #88a0b8;
  --line: rgba(0,245,255,.18);
  --mono: 'DM Mono', monospace;
  --sans: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 8%, rgba(0,245,255,.12), transparent 30%),
    radial-gradient(circle at 85% 20%, rgba(255,43,214,.10), transparent 32%),
    radial-gradient(circle at 50% 80%, rgba(53,255,159,.07), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(255,255,255,.025) 4px);
  z-index: 999;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  min-height: 76px;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  background: rgba(4,6,21,.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  letter-spacing: .16em;
  font-size: 13px;
  white-space: nowrap;
  color: var(--text);
  text-decoration: none;
}

.pulse-dot {
  width: 13px;
  height: 13px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 20px rgba(0,245,255,.9);
  animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(.85); opacity: .65; }
  50% { transform: scale(1.15); opacity: 1; }
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav a {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  text-decoration: none;
  letter-spacing: .1em;
}

.nav a:hover { color: var(--cyan); }

main { padding-top: 76px; }

section {
  padding: 78px 6vw;
  scroll-margin-top: 92px;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  align-items: center;
  gap: 42px;
}

.eyebrow {
  color: var(--green);
  font-family: var(--mono);
  letter-spacing: .18em;
  font-size: 12px;
  text-transform: uppercase;
}

h1 {
  margin: 10px 0 0;
  font-size: clamp(52px, 9vw, 128px);
  line-height: .86;
  letter-spacing: -.07em;
}

h2 {
  margin: 12px 0;
  font-size: clamp(26px, 4vw, 54px);
  line-height: .96;
  letter-spacing: -.045em;
}

h3 { margin: 10px 0; font-size: 24px; }

.lead, .sub, .cn, p, .section-lead {
  color: var(--muted);
  line-height: 1.75;
}

.cn { color: #9fb3c8; }

.hero-actions, .inline-actions, .route-controls {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

button {
  font-family: var(--mono);
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,.04);
  padding: 13px 18px;
  border-radius: 999px;
  cursor: pointer;
  letter-spacing: .09em;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

button:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  box-shadow: 0 0 22px rgba(0,245,255,.18);
}

.primary { border-color: rgba(53,255,159,.55); color: var(--green); }
.secondary { border-color: rgba(0,245,255,.32); color: var(--cyan); }
.danger { border-color: rgba(255,43,214,.40); color: var(--pink); }

.status-strip {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.status-strip div, .state-note {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  background: rgba(255,255,255,.035);
  padding: 12px;
}

.status-strip span, .state-note span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
  margin-bottom: 4px;
}

.signal-panel {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 50%, rgba(0,245,255,.12), transparent 34%),
    radial-gradient(circle at 72% 22%, rgba(255,43,214,.12), transparent 28%),
    rgba(255,255,255,.035);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0,245,255,.08);
}

#heroCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.orb {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: 210px;
  height: 210px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,.25), transparent 18%),
    radial-gradient(circle, rgba(0,245,255,.18), rgba(255,43,214,.08) 62%, transparent 72%);
  border: 1px solid rgba(0,245,255,.34);
  box-shadow: 0 0 44px rgba(0,245,255,.28), inset 0 0 32px rgba(255,255,255,.05);
}

.orb span {
  font-family: var(--mono);
  letter-spacing: .18em;
  text-shadow: 0 0 14px rgba(0,245,255,.9);
}

.section { border-top: 1px solid rgba(255,255,255,.06); }

.engine-grid, .protocol-grid, .calibration-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.calibration-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.glass-card, .detail-card, .state-output, .sensor-stack {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--panel);
  padding: 22px;
  backdrop-filter: blur(14px);
}

.glass-card .num {
  color: var(--pink);
  font-family: var(--mono);
  letter-spacing: .18em;
}

.protocol {
  border-radius: 24px;
  padding: 18px;
  display: grid;
  gap: 7px;
  text-align: left;
  background: var(--panel);
}

.protocol.active {
  border-color: var(--green);
  box-shadow: 0 0 32px rgba(53,255,159,.15);
}

.protocol span { color: var(--pink); font-family: var(--mono); }
.protocol strong { font-size: 20px; }
.protocol em { color: var(--muted); font-style: normal; }

.detail-card {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 22px;
}

.metrics {
  display: grid;
  gap: 12px;
}

.metrics div {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 14px;
  background: rgba(0,0,0,.16);
}

.metrics span {
  display: block;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  margin-bottom: 4px;
}

.loop-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.sensor { margin-bottom: 18px; }

.sensor span {
  display: block;
  font-family: var(--mono);
  color: var(--muted);
  margin-bottom: 8px;
}

.bar {
  height: 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: rgba(0,0,0,.2);
}

.bar i {
  display: block;
  height: 100%;
  width: 50%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  border-radius: 999px;
  transition: width .4s ease;
}

.sensor strong {
  display: block;
  margin-top: 6px;
  color: var(--text);
}

.route {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 34px;
}

.route span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.04);
  font-family: var(--mono);
  font-size: 12px;
}

.route span.active-step {
  border-color: var(--green);
  box-shadow: 0 0 18px rgba(53,255,159,.18);
}

.stallion-title { color: var(--pink); }
.stallion span { border-color: rgba(255,43,214,.32); }

footer {
  padding: 36px 6vw;
  border-top: 1px solid rgba(255,255,255,.06);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}

@media (max-width: 1000px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: 116px;
  }

  main { padding-top: 116px; }

  .nav { justify-content: flex-start; }

  .hero, .detail-card, .loop-layout {
    grid-template-columns: 1fr;
  }

  .engine-grid, .protocol-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal-panel { min-height: 420px; }
}

@media (max-width: 640px) {
  .site-header {
    position: sticky;
    min-height: auto;
  }

  main { padding-top: 0; }

  section { padding: 56px 18px; }

  .brand {
    white-space: normal;
    font-size: 11px;
  }

  .nav a { font-size: 10px; }

  .engine-grid, .protocol-grid, .calibration-grid {
    grid-template-columns: 1fr;
  }

  .status-strip {
    grid-template-columns: 1fr;
  }

  .orb {
    width: 160px;
    height: 160px;
  }
}


/* FINAL FIX: make controls reliably clickable */
button, .protocol { position: relative; z-index: 10; }
.signal-panel canvas { pointer-events: none; }


/* HARD FIX: protocol cards must receive clicks */
.protocol-grid {
  position: relative;
  z-index: 50;
  pointer-events: auto !important;
}

.protocol {
  position: relative;
  z-index: 60;
  pointer-events: auto !important;
  cursor: pointer !important;
  user-select: none;
}

.protocol * {
  pointer-events: none;
}

#heroCanvas,
.signal-panel canvas,
body::before {
  pointer-events: none !important;
}