:root {
  --bg: #0c0f14;
  --bg-surface: #12161e;
  --bg-card: #181d28;
  --bg-card-primary: #1a2233;
  --fg: #e8eaf0;
  --fg-muted: #8a90a0;
  --fg-dim: #5a6070;
  --accent: #e87a2e;
  --accent-glow: rgba(232, 122, 46, 0.15);
  --green: #3dd68c;
  --yellow: #f0c040;
  --red: #e85454;
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --max-w: 1120px;
  --radius: 10px;
}

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

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

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

/* ─── HERO ─── */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 32px 48px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent);
  border: 1px solid rgba(232, 122, 46, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -1.5px;
  margin-bottom: 28px;
  max-width: 780px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--green);
}

.pulse-dot {
  width: 10px;
  height: 10px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.5); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(61, 214, 140, 0); }
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 48px;
  padding: 20px;
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
}

.grid-cell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
  background: var(--bg-card);
  border-radius: 8px;
}

.grid-label {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--fg-dim);
}

.grid-status {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.grid-status.good { color: var(--green); }
.grid-status.warn { color: var(--yellow); }
.grid-status.alert { color: var(--red); }

/* ─── PROBLEM ─── */
.problem {
  padding: 120px 32px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.problem h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  position: sticky;
  top: 40px;
}

.problem-item {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.problem-item:first-child { padding-top: 0; }

.problem-num {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 2px;
}

.problem-item p {
  color: var(--fg-muted);
  font-size: 17px;
}

/* ─── FEATURES ─── */
.features {
  padding: 120px 32px;
  background: var(--bg-surface);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.features-header {
  max-width: var(--max-w);
  margin: 0 auto 64px;
}

.features-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 520px;
}

.features-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 40px 36px;
}

.feature-card.feature-primary {
  background: var(--bg-card-primary);
  border-color: rgba(232, 122, 46, 0.15);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 20px;
  opacity: 0.8;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.7;
}

/* ─── STATS ─── */
.stats {
  padding: 80px 32px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.stats-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-dim);
  max-width: 200px;
  margin-top: 8px;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.08);
}

/* ─── CLOSING ─── */
.closing {
  padding: 140px 32px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 80%, var(--accent-glow) 0%, transparent 60%);
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-heading);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 32px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

.footer-copy {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 60px 20px 40px; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
  .problem-inner { grid-template-columns: 1fr; gap: 40px; }
  .problem h2 { position: static; }
  .features { padding: 80px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 28px 24px; }
  .stats-inner { flex-direction: column; gap: 32px; }
  .stat-divider { width: 40px; height: 1px; }
  .closing { padding: 80px 20px; }
}

@media (max-width: 480px) {
  .hero-grid { grid-template-columns: 1fr; }
  .grid-cell { flex-direction: row; justify-content: space-between; align-items: center; }
}