:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #e8e8e8;
  --fg-dim: #888888;
  --fg-muted: #555555;
  --accent: #00d47b;
  --accent-dim: rgba(0, 212, 123, 0.12);
  --accent-glow: rgba(0, 212, 123, 0.25);
  --red: #ff4d4d;
  --yellow: #ffcc00;
  --border: #222222;
  --radius: 12px;
  --font-main: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'SF Mono', monospace;
}

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

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 720px;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 212, 123, 0.2);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 32px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-dim);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* Terminal */
.hero-terminal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0,0,0,0.4);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--accent); }

.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
}

.terminal-body p { margin: 0; }
.t-green { color: var(--accent); }
.t-dim { color: var(--fg-muted); }

.cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 80px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.numbers-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.number-block {
  text-align: center;
}

.number-value {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.number-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.number-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===== FEATURES ===== */
.features {
  padding: 120px 24px;
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(0, 212, 123, 0.3);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ===== HOW ===== */
.how {
  padding: 120px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 720px;
  margin: 0 auto;
}

.how-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.how-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  min-width: 64px;
}

.step-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 140px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.15rem;
  color: var(--fg-dim);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

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

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

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 60px 20px 40px; min-height: auto; }
  .numbers-inner { flex-direction: column; gap: 32px; }
  .number-divider { width: 48px; height: 1px; }
  .feature-grid { grid-template-columns: 1fr; }
  .how-step { flex-direction: column; gap: 12px; }
  .step-number { font-size: 1.8rem; min-width: auto; }
  .features, .how, .closing { padding: 80px 20px; }
  .terminal-body { font-size: 12px; padding: 16px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.5rem; }
  .terminal-body { font-size: 11px; overflow-x: auto; }
}