:root {
  --bg-primary: #0a0b0e;
  --bg-secondary: #111318;
  --bg-card: #161921;
  --bg-elevated: #1c1f2a;
  --text-primary: #e8eaf0;
  --text-secondary: #8b90a0;
  --text-muted: #5a5f72;
  --accent-gold: #d4a853;
  --accent-green: #3dd68c;
  --accent-red: #e85454;
  --accent-blue: #5b8def;
  --border: #1e2130;
  --border-subtle: #161921;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); }

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 14px;
  color: var(--accent-gold);
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid rgba(212, 168, 83, 0.25);
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 2px;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
}
.nav-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 1px;
}
.tag-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* HERO */
.hero {
  padding: 160px 32px 100px;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 2px;
}
.hero-eyebrow .divider {
  width: 1px;
  height: 14px;
  background: var(--border);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.stat-card {
  background: var(--bg-secondary);
  padding: 28px 24px;
}
.stat-label {
  display: block;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent-gold);
  margin-bottom: 12px;
}
.stat-value {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ASSETS */
.assets {
  padding: 100px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.assets-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--accent-gold);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1.15;
}
.section-sub {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.7;
}
.asset-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.asset-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 24px;
  transition: border-color 0.2s;
}
.asset-card:hover {
  border-color: rgba(212, 168, 83, 0.3);
}
.asset-icon {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-gold);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(212, 168, 83, 0.08);
  border: 1px solid rgba(212, 168, 83, 0.15);
  border-radius: 8px;
  margin-bottom: 20px;
}
.asset-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}
.asset-tag {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.asset-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* FEATURES */
.features {
  padding: 100px 32px;
  background: var(--bg-primary);
}
.features-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 100px;
}
.feature-row:last-child {
  margin-bottom: 0;
}
.feature-row.reverse {
  direction: rtl;
}
.feature-row.reverse > * {
  direction: ltr;
}
.feature-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  line-height: 1.2;
}
.feature-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Mock: Brief */
.brief-mock {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.brief-header {
  padding: 16px 20px;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent-gold);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}
.brief-line {
  padding: 14px 20px;
  font-size: 13px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  line-height: 1.5;
}
.brief-line:last-child {
  border-bottom: none;
}
.brief-asset {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--accent-gold);
  background: rgba(212, 168, 83, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  margin-right: 8px;
  letter-spacing: 1px;
}

/* Mock: Calendar */
.cal-mock {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
.cal-event {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.cal-time {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  width: 90px;
  flex-shrink: 0;
}
.cal-name {
  font-size: 14px;
  color: var(--text-primary);
  flex: 1;
}
.cal-impact {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 3px;
}
.cal-event.high .cal-impact {
  color: var(--accent-red);
  background: rgba(232, 84, 84, 0.1);
}
.cal-event.med .cal-impact {
  color: var(--accent-gold);
  background: rgba(212, 168, 83, 0.1);
}
.cal-event.low .cal-impact {
  color: var(--text-muted);
  background: rgba(90, 95, 114, 0.15);
}
.cal-context {
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 0 12px;
  border-bottom: 1px solid var(--border-subtle);
  line-height: 1.5;
}

/* EDUCATION */
.education {
  padding: 100px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.education-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.edu-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 24px;
}
.edu-level {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--accent-green);
  margin-bottom: 16px;
}
.edu-card h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}
.edu-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.edu-topics {
  list-style: none;
}
.edu-topics li {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  padding: 6px 0;
  border-top: 1px solid var(--border-subtle);
  letter-spacing: 0.5px;
}

/* CLOSING */
.closing {
  padding: 120px 32px;
  background: var(--bg-primary);
  text-align: center;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 168, 83, 0.05) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 20px;
}
.closing-desc {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 48px;
}
.closing-ticker {
  display: flex;
  justify-content: center;
  gap: 24px;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 1px;
  flex-wrap: wrap;
}
.closing-ticker .sep {
  width: 1px;
  height: 16px;
  background: var(--border);
}

/* FOOTER */
.footer {
  padding: 40px 32px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand .logo-mark {
  font-size: 11px;
  padding: 3px 6px;
}
.footer-brand .logo-text {
  font-size: 14px;
}
.footer-disclaimer {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  max-width: 500px;
  text-align: right;
  line-height: 1.5;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .asset-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-row,
  .feature-row.reverse {
    grid-template-columns: 1fr;
    gap: 32px;
    direction: ltr;
  }
  .edu-grid {
    grid-template-columns: 1fr;
  }
  .footer-inner {
    flex-direction: column;
    gap: 20px;
  }
  .footer-disclaimer {
    text-align: center;
  }
}
@media (max-width: 600px) {
  .hero { padding: 120px 20px 60px; }
  .assets, .features, .education { padding: 60px 20px; }
  .closing { padding: 80px 20px; }
  .nav-inner { padding: 14px 20px; }
  .asset-grid {
    grid-template-columns: 1fr;
  }
  .hero-eyebrow {
    flex-wrap: wrap;
    gap: 10px;
  }
  .closing-ticker {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  .closing-ticker .sep {
    display: none;
  }
  .feature-row { margin-bottom: 60px; }
}