:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-elevated: #1c1c28;
  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #555570;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --accent-glow: rgba(0, 255, 136, 0.15);
  --gold: #ffd700;
  --gold-dim: rgba(255, 215, 0, 0.1);
  --danger: #ff4444;
  --border: #222233;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Space Grotesk', 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;
  overflow-x: hidden;
}

.accent { color: var(--accent); }

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 1.5rem;
  background: 
    radial-gradient(ellipse at 50% 0%, rgba(0,255,136,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 80%, rgba(255,215,0,0.03) 0%, transparent 50%),
    var(--bg-primary);
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hero-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.4rem 1.2rem;
  margin-bottom: 2.5rem;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.ai-tag {
  font-size: 0.35em;
  vertical-align: super;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.1em;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 2.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === SECTION SHARED === */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 3rem;
}

/* === SCORECARD === */
.scorecard-section {
  padding: 6rem 1.5rem;
  text-align: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.scorecard {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 0;
  text-align: left;
}

.scorecard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.scorecard-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.scorecard-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.2rem 0.6rem;
  letter-spacing: 0.1em;
}

.score-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid rgba(34,34,51,0.5);
}

.score-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  width: 140px;
  flex-shrink: 0;
}

.score-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 3px;
  transition: width 1s ease;
}

.score-val {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  width: 36px;
  text-align: right;
}

.scorecard-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.5rem;
  background: var(--bg-elevated);
  border-top: 2px solid var(--accent);
}

.total-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--accent);
}

.total-score {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

/* === CATEGORIES === */
.categories-section {
  padding: 6rem 1.5rem;
  text-align: center;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  max-width: 900px;
  margin: 0 auto;
  background: var(--border);
  border: 1px solid var(--border);
}

.category-card {
  background: var(--bg-secondary);
  padding: 2.5rem 1.5rem;
  text-align: center;
  transition: background 0.2s;
}

.category-card:hover {
  background: var(--bg-elevated);
}

.category-card.featured {
  background: var(--gold-dim);
  border: none;
}

.category-card.featured h3 {
  color: var(--gold);
}

.category-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.category-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.category-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* === HOW IT WORKS === */
.how-section {
  padding: 6rem 1.5rem;
  text-align: center;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 3rem auto 0;
  text-align: left;
}

.step {
  padding: 2rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  position: relative;
}

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--bg-elevated);
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  line-height: 1;
  -webkit-text-stroke: 1px var(--border);
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 8rem 1.5rem;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 100%, rgba(0,255,136,0.04) 0%, transparent 60%),
    var(--bg-primary);
}

.closing-inner {
  max-width: 650px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.closing-tagline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  .hero { min-height: 80vh; padding: 3rem 1rem; }
  .hero-stats { flex-direction: column; gap: 1rem; padding: 1.5rem; }
  .stat-divider { width: 40px; height: 1px; }
  .scorecard-section, .categories-section, .how-section { padding: 4rem 1rem; }
  .score-label { width: 100px; font-size: 0.6rem; }
  .categories-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .closing { padding: 5rem 1rem; }
}