/* Theme: Dark developer tool, precise, serious, with warmth */
:root {
  --bg: #0a0a0f;
  --surface: #13131a;
  --surface2: #1c1c28;
  --border: #2a2a3a;
  --fg: #e8e8f0;
  --fg2: #8888a8;
  --accent: #7c6dff;
  --accent2: #ff6b6b;
  --green: #4ade80;
  --yellow: #fbbf24;
  --blue: #60a5fa;
  --font: 'Space Grotesk', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

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

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

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--fg2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  letter-spacing: 0.05em;
}

/* Hero */
.hero {
  padding: 7rem 2rem 5rem;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: inline-block;
  border: 1px solid rgba(124,109,255,0.3);
  padding: 4px 10px;
  border-radius: 4px;
}
.hero-title {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg2);
  line-height: 1.7;
  max-width: 420px;
}

/* Terminal */
.hero-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-family: var(--mono);
  font-size: 0.78rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.terminal-bar {
  background: var(--surface2);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.terminal-title { margin-left: 10px; color: var(--fg2); font-size: 0.72rem; }
.terminal-body { padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.line { display: flex; align-items: baseline; gap: 8px; line-height: 1.5; }
.prompt { color: var(--accent); font-weight: 600; }
.cmd { color: var(--fg); }
.meta { color: var(--fg2); font-size: 0.7rem; }
.review-line { color: var(--fg2); }
.review-icon { color: var(--accent); }
.finding-line { align-items: flex-start; }
.finding-badge { font-size: 0.65rem; font-weight: 600; padding: 2px 6px; border-radius: 3px; flex-shrink: 0; margin-top: 2px; }
.finding-badge.BUG { background: rgba(255,107,107,0.15); color: var(--accent2); }
.finding-badge.TEST { background: rgba(124,109,255,0.15); color: var(--accent); }
.finding-badge.NIT { background: rgba(136,136,168,0.15); color: var(--fg2); }
.finding-text { color: var(--fg2); font-size: 0.75rem; line-height: 1.5; }
.finding-text code { background: var(--surface2); padding: 1px 4px; border-radius: 3px; font-family: var(--mono); color: var(--fg); font-size: 0.72rem; }
.done-line { color: var(--green); }
.done-icon { color: var(--green); }

/* Features */
.features {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.features-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.features-heading {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3.5rem;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.feature-card {
  background: var(--surface);
  padding: 2.5rem;
}
.feature-icon {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}
.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--fg);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--fg2);
  line-height: 1.65;
}

/* How it works */
.how {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.how-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.how-steps {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.step {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 2rem;
}
.step-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.step h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.step p {
  font-size: 0.85rem;
  color: var(--fg2);
  line-height: 1.6;
}
.step-arrow {
  font-size: 1.5rem;
  color: var(--border);
  flex-shrink: 0;
}

/* Closing */
.closing {
  padding: 6rem 2rem 8rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.closing p {
  font-size: 1rem;
  color: var(--fg2);
  max-width: 480px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}
.closing-pill {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 24px;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-weight: 700;
  font-size: 0.9rem;
}
.footer-copy {
  font-size: 0.8rem;
  color: var(--fg2);
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 4rem 1.5rem 3rem;
    gap: 2.5rem;
  }
  .hero-title { font-size: 2.4rem; }
  .features-grid { grid-template-columns: 1fr; }
  .how-steps { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .footer-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 3rem 1rem 2rem; }
  .features { padding: 4rem 1rem; }
  .how { padding: 4rem 1rem; }
  .closing { padding: 4rem 1rem 5rem; }
  .terminal-body { font-size: 0.72rem; }
  .feature-card { padding: 1.5rem; }
  .step { padding: 1.5rem; }
}