:root {
  --bg: #0F1117;
  --bg-secondary: #161922;
  --bg-card: #1C1F2A;
  --fg: #F0F0F0;
  --fg-muted: #8B8FA3;
  --accent: #A3E635;
  --accent-dim: rgba(163, 228, 53, 0.15);
  --border: rgba(255,255,255,0.07);
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

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

/* NAVBAR */
.navbar {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}
.navbar-inner {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.nav-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 5rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--fg);
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 460px;
  line-height: 1.7;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* REVIEW CARDS */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}
.review-card--success {
  border-left: 3px solid var(--accent);
}
.review-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.review-badge {
  background: rgba(255, 80, 80, 0.15);
  color: #FF6060;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}
.review-badge--green {
  background: var(--accent-dim);
  color: var(--accent);
}
.review-time {
  color: var(--fg-muted);
  font-size: 0.7rem;
}
.review-file {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.review-message {
  color: var(--fg-muted);
  line-height: 1.6;
}
.review-line {
  margin-top: 0.75rem;
  color: var(--fg-muted);
  font-size: 0.7rem;
  opacity: 0.6;
}

/* SECTION LABELS */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

/* HOW IT WORKS */
.how-it-works {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}
.step-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.4;
}
.step h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.step p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* FEATURES */
.features {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 4rem;
}
.feature-icon {
  margin-bottom: 1rem;
  width: 36px;
  height: 36px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.feature p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

/* CODE PREVIEW */
.code-preview {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}
.code-preview-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}
.code-window {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.code-window-bar {
  background: var(--bg-secondary);
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
}
.code-filename {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
  margin-left: 0.5rem;
}
.code-window-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
}
.summary-section {
  margin-bottom: 1.5rem;
}
.summary-section--issue {
  background: rgba(255, 80, 80, 0.08);
  border: 1px solid rgba(255, 80, 80, 0.2);
  border-radius: 8px;
  padding: 1rem 1.25rem;
}
.summary-section--ok {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
.summary-label {
  font-size: 0.65rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.issue-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}
.issue-badge {
  background: rgba(255, 80, 80, 0.2);
  color: #FF6060;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}
.issue-tag {
  background: rgba(163, 228, 53, 0.1);
  color: var(--accent);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}
.summary-section--issue p {
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}
.summary-section--ok ul {
  list-style: none;
  color: var(--fg-muted);
}
.summary-section--ok li {
  margin-bottom: 0.3rem;
}
.summary-section--ok code {
  color: var(--accent);
  font-size: 0.72rem;
}
.code-preview-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.code-preview-text p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* CLOSING */
.closing {
  padding: 5rem 2rem 6rem;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.closing p {
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.75;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 2rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}
.footer-logo {
  font-weight: 700;
  font-size: 1rem;
  display: block;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  margin-top: 0.25rem;
  display: block;
}
.footer-links {
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 3rem 1.5rem 2.5rem;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .code-preview-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-links {
    flex-wrap: wrap;
    gap: 1rem;
  }
}