:root {
  --bg: #0a0a0c;
  --bg-elevated: #111115;
  --bg-card: #16161b;
  --fg: #e8e6e3;
  --fg-muted: #8a8a93;
  --fg-dim: #5a5a63;
  --accent: #00e599;
  --accent-glow: rgba(0, 229, 153, 0.15);
  --accent-dim: #00b377;
  --health: #00c9a7;
  --fin: #6366f1;
  --ent: #f59e0b;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font: 'Space Grotesk', system-ui, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

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

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 900px;
  margin: 0 auto;
}

.hero-label {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 3.5rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.stat-label {
  font-size: 0.78rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.hero-badge {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* ===== PROOF ===== */
.proof {
  padding: 8rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  display: block;
  margin-bottom: 1rem;
}

.proof-header h2,
.how-header h2,
.cases-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 4rem;
}

.proof-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.proof-item {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 160px 200px 1fr;
  gap: 2rem;
  align-items: baseline;
}

.proof-company {
  font-size: 1.4rem;
  font-weight: 600;
}

.proof-role {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent-dim);
}

.proof-detail {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ===== HOW ===== */
.how {
  padding: 8rem 2rem;
  background: var(--bg-elevated);
}

.how-header {
  max-width: 960px;
  margin: 0 auto;
}

.how-grid {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.how-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
}

.how-num {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.how-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
}

.how-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ===== CASES ===== */
.cases {
  padding: 8rem 2rem;
  max-width: 960px;
  margin: 0 auto;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.case-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}

.case-health::before { background: var(--health); }
.case-fin::before { background: var(--fin); }
.case-ent::before { background: var(--ent); }

.case-vertical {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.2rem;
}

.case-health .case-vertical { color: var(--health); }
.case-fin .case-vertical { color: var(--fin); }
.case-ent .case-vertical { color: var(--ent); }

.case-result {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.case-card p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* ===== CLOSING ===== */
.closing {
  padding: 10rem 2rem;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-links {
  font-size: 0.82rem;
  color: var(--fg-dim);
  display: flex;
  gap: 0.5rem;
}

.footer-dot {
  color: var(--fg-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }

  .stat-divider {
    display: none;
  }

  .hero-badge {
    position: relative;
    bottom: auto;
    left: auto;
    transform: none;
    margin-top: 4rem;
    text-align: center;
  }

  .proof-item {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .how-grid,
  .cases-grid {
    grid-template-columns: 1fr;
  }

  .proof { padding: 5rem 1.5rem; }
  .how { padding: 5rem 1.5rem; }
  .cases { padding: 5rem 1.5rem; }
  .closing { padding: 6rem 1.5rem; }

  .footer-inner {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}