/* NeuroSynthetix Bio-Hacking & Longevity Portal v3.0 */
:root {
  --nl-bg: #030806;
  --nl-surface: rgba(6, 20, 16, 0.85);
  --nl-border: rgba(16, 185, 129, 0.25);
  --nl-emerald: #10b981;
  --nl-cyan: #00f0ff;
  --nl-lime: #a3e635;
  --nl-text: #ecfdf5;
  --nl-mute: #6ee7b7;
  --font-mono: 'JetBrains Mono', monospace;
  --font-display: 'Space Grotesk', sans-serif;
}

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

body {
  background: var(--nl-bg);
  color: var(--nl-text);
  font-family: var(--font-display);
  min-height: 100vh;
  overflow-x: hidden;
}

#webgl-dna-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

.neuro-hud {
  position: relative;
  z-index: 20;
  max-width: 1300px;
  margin: 0 auto;
  padding: 24px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--nl-surface);
  border: 1px solid var(--nl-border);
  border-radius: 14px;
  padding: 16px 24px;
  backdrop-filter: blur(16px);
  margin-bottom: 24px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-badge {
  font-size: 2rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--nl-emerald);
  border-radius: 10px;
  padding: 6px 12px;
}

.brand-text h1 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
}

.brand-text span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--nl-emerald);
  letter-spacing: 0.1em;
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
}

@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--nl-surface);
  border: 1px solid var(--nl-border);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: blur(20px);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.metric-card {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--nl-border);
  border-radius: 12px;
  padding: 16px;
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--nl-mute);
  text-transform: uppercase;
}

.metric-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin: 6px 0;
}

.btn-bio {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid var(--nl-emerald);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  font-weight: 700;
  transition: all 0.2s ease;
}

.btn-bio:hover {
  background: var(--nl-emerald);
  color: #000;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
}