:root {
  --bg-primary: #06060b;
  --bg-secondary: #0c0c14;
  --bg-card: #0f0f1a;
  --bg-card-alt: #111122;
  --fg-primary: #e8e8f0;
  --fg-secondary: #8888a0;
  --fg-muted: #555570;
  --accent: #00e5ff;
  --accent-dim: rgba(0, 229, 255, 0.12);
  --accent-glow: rgba(0, 229, 255, 0.25);
  --warning: #ff6b35;
  --success: #00e676;
  --danger: #ff3d5a;
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(0, 229, 255, 0.2);
  --font-display: 'JetBrains Mono', monospace;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --max-width: 1100px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

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

/* ===== HERO ===== */
.hero {
  position: relative;
  padding: 120px 24px 60px;
  overflow: hidden;
}

.hero-grid {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
}

.scanline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 229, 255, 0.015) 2px,
    rgba(0, 229, 255, 0.015) 4px
  );
  pointer-events: none;
  z-index: 0;
}

.hero-content { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  margin-bottom: 32px;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

.badge-text {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

.hero h1 .accent { color: var(--accent); }

.hero .lede {
  font-size: 1.1rem;
  color: var(--fg-secondary);
  max-width: 620px;
  line-height: 1.7;
}

.hero-metrics {
  display: flex;
  align-items: center;
  gap: 32px;
  max-width: var(--max-width);
  margin: 60px auto 0;
  padding: 28px 36px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.metric { display: flex; flex-direction: column; gap: 4px; }

.metric-value {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

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

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
}

.problem-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--fg-primary);
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.problem-card {
  padding: 32px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.problem-card.old {
  background: linear-gradient(135deg, rgba(255, 61, 90, 0.04), transparent);
  border-color: rgba(255, 61, 90, 0.15);
}

.problem-card.new {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.04), transparent);
  border-color: var(--border-accent);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.card-icon {
  font-size: 1rem;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}

.old .card-icon {
  background: rgba(255, 61, 90, 0.15);
  color: var(--danger);
}

.new .card-icon {
  background: var(--accent-dim);
  color: var(--accent);
}

.card-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-secondary);
  letter-spacing: 0.03em;
}

.problem-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.problem-card li {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  padding-left: 16px;
  position: relative;
}

.problem-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 1px;
}

.old li::before { background: var(--danger); }
.new li::before { background: var(--accent); }

/* ===== CAPABILITIES ===== */
.capabilities {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.cap-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.capabilities h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--fg-primary);
  margin-bottom: 56px;
}

.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.cap-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s ease;
}

.cap-card:hover {
  border-color: var(--border-accent);
}

.cap-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.cap-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 12px;
}

.cap-card p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 24px 80px;
  text-align: center;
}

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

.closing-line {
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 40px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 20px;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.75;
  margin-bottom: 40px;
}

.founder-note {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.founder-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.founder-name {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--fg-primary);
}

.footer-sep { color: var(--fg-muted); }

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 40px; }
  .hero-metrics {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    margin-top: 40px;
  }
  .metric-divider {
    width: 100%;
    height: 1px;
  }
  .problem-grid,
  .cap-grid {
    grid-template-columns: 1fr;
  }
  .problem, .capabilities, .closing {
    padding: 60px 20px;
  }
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  .footer-sep { display: none; }
}