:root {
  --bg: #07090f;
  --bg-card: #0c1019;
  --bg-card-hover: #0f1420;
  --border: #1a2133;
  --fg: #dde3ee;
  --fg-dim: #5c6a84;
  --fg-muted: #3d4a63;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --cyan: #00d4ff;
  --amber: #ffb800;
  --green: #00e5a0;
  --red: #ff4466;
  --mono: 'DM Mono', 'Courier New', monospace;
  --sans: 'Space Grotesk', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 9, 15, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.nav-tagline {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
  border-left: 1px solid var(--border);
  padding-left: 16px;
}

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 48px;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 160, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 160, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
}
.hero-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.label-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-title {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-dim);
  line-height: 1.65;
  max-width: 480px;
  margin-bottom: 40px;
}

/* Terminal */
.hero-terminal {
  background: #050810;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  max-width: 520px;
}
.terminal-bar {
  background: #0a0e1a;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.t-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.t-dot.red { background: #ff5f57; }
.t-dot.yellow { background: #ffbd2e; }
.t-dot.green { background: #28ca42; }
.terminal-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-left: 8px;
}
.terminal-body {
  padding: 20px 20px 16px;
}
.t-line {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.9;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.t-prompt { color: var(--accent); }
.t-cmd { color: var(--fg-dim); width: 110px; flex-shrink: 0; }
.t-result { font-weight: 500; }
.t-meta { font-size: 11px; color: var(--fg-muted); }
.t-green { color: var(--green); }
.t-cyan { color: var(--cyan); }
.t-amber { color: var(--amber); }
.t-cursor { font-family: var(--mono); font-size: 14px; color: var(--accent); margin-top: 4px; animation: blink 1s step-end infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* DOM Preview */
.hero-dom-preview {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dom-container {
  background: #050810;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  width: 100%;
  max-width: 400px;
  font-family: var(--mono);
  font-size: 13px;
}
.dom-header {
  color: var(--fg-dim);
  font-size: 11px;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.dom-row {
  display: grid;
  grid-template-columns: 90px 1fr 70px;
  align-items: center;
  gap: 8px;
  padding: 5px 0;
  position: relative;
}
.dom-row.active {
  background: rgba(0, 229, 160, 0.06);
  border-radius: 4px;
  padding: 5px 8px;
  margin: 0 -8px;
}
.dom-price { color: var(--fg-dim); font-size: 12px; }
.dom-row.bid .dom-price { color: var(--green); }
.dom-row.ask .dom-price { color: var(--red); }
.dom-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--fg-muted);
}
.bid-bar { background: rgba(0, 229, 160, 0.3); }
.ask-bar { background: rgba(255, 68, 102, 0.3); }
.dom-size { color: var(--fg-dim); font-size: 12px; text-align: right; }
.dom-obi { font-size: 11px; font-weight: 500; }
.dom-mid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  color: var(--fg-muted);
  font-size: 11px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 4px 0;
}
.mid-price { color: var(--fg-dim); font-size: 11px; }
.dom-footer {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--fg-dim);
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

/* ── INDICATORS ── */
.indicators {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}
.section-header {
  max-width: 640px;
  margin-bottom: 60px;
}
.section-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
}
.ind-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.ind-card {
  background: var(--bg-card);
  padding: 36px;
  transition: background 0.2s;
}
.ind-card:hover { background: var(--bg-card-hover); }
.ind-icon {
  font-size: 28px;
  color: var(--accent);
  font-family: var(--mono);
  margin-bottom: 16px;
}
.ind-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.ind-card p {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.65;
  margin-bottom: 28px;
}
.ind-preview { border-top: 1px solid var(--border); padding-top: 20px; }

/* OBI Gauge */
.gauge-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.gauge-label { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); width: 48px; }
.gauge-bar-wrap {
  flex: 1;
  height: 8px;
  background: rgba(255, 68, 102, 0.2);
  border-radius: 4px;
  position: relative;
}
.gauge-bar.bid-fill {
  height: 100%;
  background: var(--green);
  border-radius: 4px;
}
.gauge-mid {
  position: absolute;
  left: 50%;
  top: -4px;
  bottom: -4px;
  width: 1px;
  background: var(--fg-muted);
}
.gauge-val { font-family: var(--mono); font-size: 14px; font-weight: 500; width: 52px; text-align: right; }
.gauge-tags { display: flex; gap: 8px; margin-top: 12px; }
.g-tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* Kyle's Lambda */
.lambda-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.lambda-val {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 500;
  color: var(--cyan);
}
.lambda-label { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); }
.lambda-depth { font-family: var(--mono); font-size: 13px; color: var(--fg-dim); margin-bottom: 12px; }

/* Delta */
.delta-chart {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 48px;
  margin-bottom: 8px;
}
.delta-bar {
  flex: 1;
  border-radius: 2px;
  transition: height 0.3s;
}
.delta-bar.pos { background: rgba(0, 229, 160, 0.5); }
.delta-bar.neg { background: rgba(255, 68, 102, 0.5); }
.delta-footer { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); }

/* Absorption */
.abs-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.abs-label { font-family: var(--mono); font-size: 12px; color: var(--fg-dim); }
.abs-badge { font-family: var(--mono); font-size: 11px; padding: 2px 8px; border-radius: 4px; background: rgba(255, 184, 0, 0.12); color: var(--amber); }
.abs-detail { font-family: var(--mono); font-size: 11px; color: var(--fg-muted); margin-bottom: 10px; }
.abs-strength { display: flex; align-items: center; gap: 10px; }
.strength-label { font-family: var(--mono); font-size: 11px; color: var(--fg-dim); }
.strength-bar { flex: 1; height: 4px; background: var(--bg); border-radius: 2px; }
.strength-fill { height: 100%; background: var(--accent); border-radius: 2px; }

/* ── ARCHITECTURE ── */
.architecture {
  padding: 100px 48px;
  background: #050810;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.arch-label {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}
.arch-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.arch-desc {
  font-size: 17px;
  color: var(--fg-dim);
  max-width: 520px;
  margin-bottom: 60px;
  line-height: 1.65;
}
.arch-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 48px;
}
.arch-node {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 28px 24px;
}
.arch-node:first-child { border-radius: 8px 0 0 8px; }
.arch-node:last-child { border-radius: 0 8px 8px 0; }
.node-icon {
  font-size: 24px;
  color: var(--accent);
  font-family: var(--mono);
  margin-bottom: 12px;
}
.node-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--fg);
  margin-bottom: 8px;
}
.node-desc { font-size: 13px; color: var(--fg-dim); line-height: 1.6; }
.arch-arrow {
  display: flex;
  align-items: center;
  padding: 0 16px;
  font-family: var(--mono);
  font-size: 20px;
  color: var(--fg-muted);
}
.arch-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.meta-item {
  background: var(--bg-card);
  padding: 20px 24px;
}
.meta-key {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 4px;
}
.meta-val { font-size: 14px; color: var(--fg); font-weight: 500; }

/* ── MISSION ── */
.mission {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}
.mission-inner { max-width: 760px; }
.mission-label { font-family: var(--mono); font-size: 12px; color: var(--accent); letter-spacing: 0.08em; margin-bottom: 24px; }
.mission-quote {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.5px;
  color: var(--fg);
  border-left: 3px solid var(--accent);
  padding-left: 28px;
  margin-bottom: 32px;
}
.mission-body {
  font-size: 16px;
  color: var(--fg-dim);
  line-height: 1.75;
  padding-left: 28px;
  margin-bottom: 48px;
}
.mission-credentials {
  display: flex;
  gap: 48px;
  padding-left: 28px;
}
.cred { display: flex; flex-direction: column; gap: 4px; }
.cred-num {
  font-family: var(--mono);
  font-size: 40px;
  font-weight: 500;
  color: var(--accent);
  line-height: 1;
}
.cred-label { font-size: 13px; color: var(--fg-dim); }

/* ── CLOSING ── */
.closing {
  padding: 100px 48px;
  background: linear-gradient(180deg, var(--bg) 0%, #050810 100%);
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner { max-width: 680px; margin: 0 auto; }
.closing-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-dim);
  margin-bottom: 40px;
  line-height: 1.6;
}
.closing-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.meta-sep { color: var(--border); }

/* ── FOOTER ── */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}
.footer-desc { font-size: 13px; color: var(--fg-dim); }
.footer-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-sep { color: var(--border); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 100px 24px 60px; }
  .hero-dom-preview { display: none; }
  .ind-grid { grid-template-columns: 1fr; }
  .arch-flow { flex-direction: column; }
  .arch-arrow { padding: 12px 0; justify-content: center; }
  .arch-meta { grid-template-columns: repeat(2, 1fr); }
  .mission-credentials { flex-direction: column; gap: 24px; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .closing-meta { flex-direction: column; }
}
@media (max-width: 600px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 90px 20px 48px; }
  .indicators, .architecture, .mission, .closing { padding: 60px 20px; }
  .arch-meta { grid-template-columns: 1fr; }
}