:root {
  --bg: #0a0f0d;
  --bg-surface: #111916;
  --bg-elevated: #1a2420;
  --fg: #e8ede9;
  --fg-muted: #9aaa9f;
  --fg-subtle: #6b7f72;
  --accent: #4ade80;
  --accent-warm: #fbbf24;
  --accent-dim: rgba(74, 222, 128, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(74, 222, 128, 0.2);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-gradient {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.06) 0%, rgba(74, 222, 128, 0.02) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ===== METRICS ===== */
.metrics {
  padding: 60px 24px;
  background: var(--bg-surface);
  border-top: 1px solid rgba(74, 222, 128, 0.08);
  border-bottom: 1px solid rgba(74, 222, 128, 0.08);
}

.metrics-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.metric-card {
  flex: 1;
  text-align: center;
  padding: 24px 32px;
}

.metric-divider {
  width: 1px;
  height: 80px;
  background: rgba(74, 222, 128, 0.15);
  flex-shrink: 0;
}

.metric-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.metric-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}

.metric-detail {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-subtle);
  line-height: 1.5;
  max-width: 240px;
  margin: 0 auto;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-header p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 540px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-block {
  background: var(--bg-surface);
  border: 1px solid rgba(74, 222, 128, 0.06);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-block:hover {
  border-color: rgba(74, 222, 128, 0.18);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.feature-block p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== SPECIALTIES ===== */
.specialties {
  padding: 80px 24px;
  background: var(--bg-elevated);
}

.specialties-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.specialties-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.specialties-text p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.specialties-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.specialty-tag {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--fg);
  background: var(--bg-surface);
  border: 1px solid rgba(74, 222, 128, 0.12);
  padding: 12px 28px;
  border-radius: 100px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.specialty-tag:hover {
  background: var(--accent-dim);
  border-color: rgba(74, 222, 128, 0.25);
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 24px;
}

.closing-accent {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent) !important;
  letter-spacing: -0.01em;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(74, 222, 128, 0.06);
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}

.footer-detail {
  font-size: 0.85rem;
  color: var(--fg-subtle);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { min-height: 70vh; padding: 100px 20px 60px; }
  .metrics-inner { flex-direction: column; gap: 8px; }
  .metric-divider { width: 60px; height: 1px; margin: 8px auto; }
  .metric-card { padding: 16px 20px; }
  .features-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-block { padding: 28px 24px; }
  .specialties-list { gap: 10px; }
  .specialty-tag { padding: 10px 22px; font-size: 0.88rem; }
}

@media (max-width: 480px) {
  .hero { padding: 80px 16px 48px; }
  .hero h1 { font-size: 1.9rem; }
  .hero-sub { font-size: 1rem; }
  .metric-number { font-size: 2rem; }
}