:root {
  --bg: #0a0a0f;
  --bg-secondary: #111118;
  --bg-tertiary: #1a1a24;
  --fg: #e8e8ed;
  --fg-dim: #8888a0;
  --fg-muted: #55556a;
  --accent: #00e5a0;
  --accent-dim: #00e5a033;
  --accent-glow: #00e5a018;
  --border: #2a2a38;
  --red: #ff4d6a;
  --yellow: #ffd644;
  --green: #00e5a0;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

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

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

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 20%, var(--accent-glow) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, #6c3bff0a 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  max-width: 760px;
  position: relative;
  z-index: 1;
}

.logo-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 2rem;
  letter-spacing: 0.02em;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
  border: 1px solid var(--border);
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-dim);
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 3rem;
}

/* ─── HERO CTA BUTTONS ─── */
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  letter-spacing: -0.01em;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: var(--fg-dim);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover { border-color: var(--fg-muted); color: var(--fg); }

/* ─── TERMINAL ─── */
.terminal-preview {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-title {
  color: var(--fg-muted);
  font-size: 0.75rem;
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1.25rem 1.25rem;
}

.terminal-body .line {
  padding: 0.2rem 0;
  color: var(--fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body .line.dim { color: var(--fg-dim); }
.terminal-body .line.success { color: var(--accent); font-weight: 500; margin-top: 0.25rem; }
.terminal-body .prompt { color: var(--accent); }
.terminal-body .cmd { color: var(--fg); font-weight: 500; }
.terminal-body .str { color: var(--yellow); }
.terminal-body .tool { color: #8b8bff; }

/* ─── HOW ─── */
.how {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.how h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
  color: var(--fg);
}

.loop-steps {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.loop-step {
  flex: 1;
  padding: 1.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 500;
}

.loop-step h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.loop-step p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

.loop-connector {
  color: var(--fg-muted);
  font-size: 1.5rem;
  margin-top: 3rem;
  flex-shrink: 0;
}

/* ─── FEATURES ─── */
.features {
  padding: 6rem 2rem;
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-block {
  padding: 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s;
}

.feature-block:hover {
  border-color: var(--accent-dim);
}

.feature-icon {
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-block h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.feature-block p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* ─── PRICING ─── */
.pricing {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.pricing-inner {
  max-width: 480px;
  margin: 0 auto;
}

.pricing h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.pricing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 2.5rem;
}

.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  position: relative;
  transition: border-color 0.2s;
}

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

.pricing-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.pricing-amount {
  margin-bottom: 1rem;
}

.price-number {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--fg);
}

.price-period {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-left: 0.25rem;
}

.pricing-desc {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 2rem;
}

.pricing-features li {
  font-size: 0.88rem;
  color: var(--fg-dim);
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-cta {
  display: block;
  text-align: center;
  padding: 0.85rem 2rem;
}

/* ─── CLOSING ─── */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: var(--bg);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

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

.closing h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.closing-tagline {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--fg-dim);
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .loop-steps {
    flex-direction: column;
  }
  .loop-connector {
    display: none;
  }
  .features-inner {
    grid-template-columns: 1fr;
  }
  .hero {
    min-height: auto;
    padding: 6rem 1.5rem 4rem;
  }
  .terminal-body .line {
    font-size: 0.7rem;
  }
  .closing {
    padding: 5rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  .closing h2 {
    font-size: 1.6rem;
  }
  .terminal-preview {
    font-size: 0.7rem;
  }
}