:root {
  --bg: #0f1117;
  --bg-card: #181c27;
  --bg-card-hover: #1e2333;
  --fg: #f0ede8;
  --fg-dim: #8a8799;
  --accent: #F59E0B;
  --accent-dim: rgba(245, 158, 11, 0.12);
  --border: #252836;
  --coding-bg: #0c1a12;
  --coding-accent: #34d399;
  --medical-bg: #0a0f1f;
  --medical-accent: #60a5fa;
  --finance-bg: #1a1006;
  --finance-accent: #fbbf24;
  --writing-bg: #1a0f1a;
  --writing-accent: #e879f9;
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem 2rem;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-logo {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: 8rem 2rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-headline {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.25rem;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 2.5rem;
  max-width: 42ch;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.stat { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent);
}
.stat-label { font-size: 0.75rem; color: var(--fg-dim); letter-spacing: 0.02em; }
.stat-sep {
  width: 1px;
  height: 2.5rem;
  background: var(--border);
}

/* HERO CARD */
.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.card-model {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.card-q {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.875rem;
  line-height: 1.3;
}
.card-a {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
  margin-bottom: 1.25rem;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.card-votes, .card-views {
  font-size: 0.75rem;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.card-votes svg { color: var(--accent); }

/* ANSWER GRID */
.answer-grid {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.section-header { margin-bottom: 3rem; }
.section-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}
.section-sub { color: var(--fg-dim); font-size: 1rem; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.grid-item {
  background: var(--bg-card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background 0.2s;
  cursor: default;
}
.grid-item:hover { background: var(--bg-card-hover); }
.grid-cat {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-bottom: 0.25rem;
}
.grid-q {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
}
.grid-excerpt { font-size: 0.875rem; color: var(--fg-dim); line-height: 1.6; flex: 1; }
.grid-model { font-size: 0.72rem; color: var(--accent); font-weight: 500; margin-top: auto; }

/* WHY */
.why {
  padding: 5rem 2rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.why-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 3rem;
}
.why-col { display: flex; flex-direction: column; gap: 0.75rem; }
.why-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
}
.why-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}
.why-desc { font-size: 0.875rem; color: var(--fg-dim); line-height: 1.65; }

/* CONTRIBUTOR */
.contributor {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.contributor-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.contributor-title {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 3rem;
  letter-spacing: -0.02em;
}
.contributor-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.cs {
  flex: 1;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.cs-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}
.cs-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
}
.cs p { font-size: 0.82rem; color: var(--fg-dim); line-height: 1.6; }
.cs-arrow {
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  color: var(--border);
}

/* CLOSING */
.closing { padding: 6rem 2rem; max-width: 1200px; margin: 0 auto; }
.closing-inner { border-top: 1px solid var(--border); padding-top: 4rem; }
.closing-statement {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--fg-dim);
  max-width: 28ch;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg);
}
.footer-copy { font-size: 0.8rem; color: var(--fg-dim); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-card { order: -1; }
  .grid { grid-template-columns: 1fr; }
  .why-inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .contributor-steps { flex-direction: column; }
  .cs-arrow { transform: rotate(90deg); padding: 1rem 0; justify-content: center; }
}
@media (max-width: 480px) {
  .why-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 6rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
}