:root {
  --bg: #0d1117;
  --bg-surface: #161b22;
  --bg-elevated: #21262d;
  --accent: #ff6b35;
  --accent-dim: rgba(255, 107, 53, 0.15);
  --text: #e6edf3;
  --text-muted: #7d8590;
  --text-dim: #484f58;
  --border: #30363d;
  --success: #3fb950;
  --font-head: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.site-header nav { display: flex; gap: 28px; }
.site-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.site-header nav a:hover { color: var(--text); }

/* Hero */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 40px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.stat { display: flex; flex-direction: column; padding: 0 24px; }
.stat:first-child { padding-left: 0; }
.stat-number {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Console */
.hero-visual { display: flex; align-items: center; }
.console-window {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,107,53,0.1);
}
.console-bar {
  background: var(--bg-elevated);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.red { background: #ff5f57; }
.yellow { background: #febc2e; }
.green { background: #28c840; }
.console-title { font-size: 12px; color: var(--text-muted); margin-left: 8px; }
.console-body { padding: 20px 24px; font-family: 'SFMono-Regular', 'Consolas', monospace; font-size: 13px; line-height: 1.9; }
.line { color: var(--text); }
.muted { color: var(--text-muted); }
.success { color: var(--success); }
.prompt { color: var(--accent); font-weight: 600; }
.cmd { color: var(--text); }
.check { margin-right: 6px; }
.cursor-line { display: flex; align-items: center; gap: 0; margin-top: 4px; }
.cursor {
  display: inline-block;
  width: 10px;
  height: 18px;
  background: var(--accent);
  animation: blink 1s step-end infinite;
  vertical-align: middle;
}
@keyframes blink { 50% { opacity: 0; } }

/* Features */
.features {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 32px;
}
.section-header { max-width: 1200px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  color: var(--text);
}
.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-dim);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* How */
.how {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 32px;
}
.how-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 48px;
}
.how-steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-head);
  font-size: 48px;
  font-weight: 800;
  color: var(--text-dim);
  line-height: 1;
  min-width: 64px;
}
.step-content h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.step-content p { font-size: 15px; color: var(--text-muted); max-width: 560px; line-height: 1.7; }

/* Priorities */
.priorities {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 32px;
}
.priority-list { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.priority-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
  transition: border-color 0.2s;
}
.priority-item:hover { border-color: var(--text-dim); }
.priority-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  margin-top: 2px;
}
.priority-tag.engineering { background: rgba(88,166,255,0.15); color: #58a6ff; }
.priority-tag.research { background: rgba(163,113,247,0.15); color: #a371f7; }
.priority-tag.growth { background: rgba(63,185,80,0.15); color: #3fb950; }
.priority-body h4 {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.priority-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* Closing */
.closing {
  max-width: 1200px;
  margin: 0 auto;
  padding: 96px 32px;
}
.closing-inner { max-width: 680px; }
.closing h2 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 24px;
  line-height: 1.15;
}
.closing p { font-size: 17px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.closing-tagline {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 8px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand .logo { display: block; margin-bottom: 8px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); }
.footer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Mobile */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding: 56px 24px 48px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .step { gap: 24px; }
  .step-num { font-size: 36px; min-width: 48px; }
  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
}
@media (max-width: 600px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .stat { padding: 0 16px; }
  .site-header nav { display: none; }
  .priority-item { flex-direction: column; gap: 12px; }
  .closing { padding: 64px 24px; }
}