/* ============================================
   NIGHTBOX LLC · Brand Stylesheet
   ============================================ */

:root {
  --bg-deep: #050508;
  --bg: #0a0a0f;
  --bg-soft: #0f0f17;
  --bg-card: rgba(20, 20, 30, 0.6);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #f4f4f7;
  --text-soft: rgba(244, 244, 247, 0.72);
  --text-muted: rgba(244, 244, 247, 0.48);

  --accent: #5b8def;
  --accent-2: #b06dff;
  --accent-3: #4ade80;
  --gradient: linear-gradient(135deg, #5b8def 0%, #b06dff 50%, #ff6b9d 100%);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================
   Background effects
   ============================================ */

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(circle at 50% 30%, black 30%, transparent 70%);
}

.bg-glow {
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(ellipse at center, rgba(91, 141, 239, 0.18) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(5, 5, 8, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.logo-mark {
  font-size: 18px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text {
  font-size: 15px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-soft);
  transition: color 0.2s;
}

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

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  padding: 10px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: all 0.2s;
}

.nav-cta:hover {
  background: var(--text);
  color: var(--bg-deep);
  border-color: var(--text);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  position: relative;
  z-index: 1;
  padding: 180px 32px 120px;
  text-align: center;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 32px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-3);
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.hero-title {
  font-size: clamp(40px, 7vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(16px, 1.6vw, 20px);
  color: var(--text-soft);
  max-width: 680px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 96px;
}

.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 600;
  background: var(--text);
  color: var(--bg-deep);
  border-radius: 999px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.15);
}

.btn-lg {
  padding: 18px 36px;
  font-size: 16px;
}

.btn-ghost {
  display: inline-block;
  padding: 14px 28px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: all 0.2s;
}

.btn-ghost:hover {
  color: var(--text);
  border-color: var(--text);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.stat {
  text-align: center;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.stat-value {
  font-size: 36px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  font-feature-settings: 'tnum';
}

.stat-unit {
  font-size: 18px;
  font-weight: 600;
  margin-left: 2px;
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ============================================
   Sections
   ============================================ */

.section {
  position: relative;
  z-index: 1;
  padding: 120px 32px;
}

.section-dark {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-soft) 50%, var(--bg-deep) 100%);
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  max-width: 800px;
}

.section-lead {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 720px;
  margin-bottom: 64px;
  line-height: 1.7;
}

/* Phases */

.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.phase {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s;
}

.phase:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.phase-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.phase h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.phase p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.5;
}

/* Construct diagram */

.construct-diagram {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 48px 0 80px;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-mono);
  font-size: 12px;
  align-items: stretch;
}

.domain {
  flex: 1 1 auto;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 60px;
}

.domain.highlight {
  background: linear-gradient(135deg, rgba(91, 141, 239, 0.15), rgba(176, 109, 255, 0.15));
  border-color: rgba(91, 141, 239, 0.4);
  color: var(--text);
  font-weight: 700;
  flex: 2 1 auto;
}

.dom-sub {
  display: block;
  font-size: 9px;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Mechanism grid */

.mechanism-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.mech {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.mech-icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.mech h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.mech p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.55;
}

/* Evidence pyramid */

.evidence-pyramid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}

.layer {
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.layer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient);
  opacity: 0.6;
}

.layer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.layer-num {
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
  line-height: 1;
}

.layer-num span {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  -webkit-text-fill-color: var(--text-muted);
}

.layer-desc {
  font-size: 13px;
  color: var(--text-soft);
  margin-top: 16px;
  line-height: 1.5;
}

/* Cancer table */

.cancer-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 14px;
}

.cancer-table-header,
.cancer-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  padding: 16px 24px;
  align-items: center;
}

.cancer-table-header {
  background: rgba(255, 255, 255, 0.03);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.cancer-row {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.cancer-row:last-child { border-bottom: none; }

.cancer-row:hover {
  background: rgba(255, 255, 255, 0.02);
}

.cancer-row.total {
  background: rgba(91, 141, 239, 0.05);
  font-weight: 700;
}

.cancer-row.total div:not(:first-child) {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Team */

.team-inner { max-width: 900px; }

.founder-card {
  display: flex;
  gap: 32px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  margin-top: 40px;
}

.founder-avatar {
  flex-shrink: 0;
  width: 96px;
  height: 96px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 800;
  color: white;
}

.founder-name {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 4px;
}

.founder-role {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 16px;
}

.founder-bio {
  color: var(--text-soft);
  margin-bottom: 16px;
  line-height: 1.65;
}

.founder-meta {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* CTA */

.section-cta {
  text-align: center;
  padding: 140px 32px;
}

.cta-inner { max-width: 800px; margin: 0 auto; }

.cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.cta-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.cta-lead {
  font-size: 18px;
  color: var(--text-soft);
  margin-bottom: 40px;
  line-height: 1.6;
}

/* Footer */

.footer {
  position: relative;
  z-index: 1;
  padding: 48px 32px 32px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.footer-meta {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 8px;
}

.footer-disclaimer {
  font-size: 11px;
  color: var(--text-muted);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 900px) {
  .nav-links { display: none; }

  .hero-stats,
  .phases,
  .mechanism-grid,
  .evidence-pyramid {
    grid-template-columns: repeat(2, 1fr);
  }

  .founder-card {
    flex-direction: column;
    text-align: center;
    align-items: center;
    padding: 32px 24px;
  }

  .cancer-table-header,
  .cancer-row {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    padding: 12px 16px;
    font-size: 12px;
  }
}

@media (max-width: 600px) {
  .hero { padding: 140px 20px 80px; }
  .section { padding: 80px 20px; }
  .section-cta { padding: 100px 20px; }

  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .stat-value { font-size: 28px; }

  .construct-diagram { flex-direction: column; }
}