/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* === Tokens === */
:root {
  --bg: #0a0a0a;
  --bg-raised: #111113;
  --bg-card: #141416;
  --border: #1e1e22;
  --text: #fafafa;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --accent: #00ff41;
  --accent-dim: rgba(0, 255, 65, 0.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --max-w: 1080px;
  --radius: 12px;
}

/* === Base === */
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Nav === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
}
.nav-name {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--text-2);
}
.nav-links a:hover { color: var(--text); }

/* === Hero === */
.hero {
  padding: 100px 0 60px;
}
.hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 255, 65, 0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 720px;
}
.hero-sub {
  margin-top: 20px;
  font-size: 18px;
  color: var(--text-2);
  max-width: 580px;
  line-height: 1.6;
}
.hero-cta {
  margin-top: 32px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.15s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background: #00e03a;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-2);
}
.btn-ghost:hover {
  border-color: var(--text-3);
  color: var(--text);
}

/* === Stats === */
.stats {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  gap: 16px;
}
.stat-value {
  display: block;
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: var(--accent);
}
.stat-label {
  display: block;
  font-size: 13px;
  color: var(--text-3);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* === Sections === */
.section {
  padding: 80px 0;
}
.section-dark {
  background: var(--bg-raised);
}
.section-label {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.section h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

/* === Cards === */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.card:hover {
  border-color: rgba(0, 255, 65, 0.25);
}
.card-icon {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 16px;
}
.card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}
.card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* === Loop === */
.loop {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 600px;
}
.loop-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.loop-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
}
.loop-step h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.loop-step p {
  font-size: 14px;
  color: var(--text-2);
}

/* === Stack === */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.stack-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stack-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stack-detail {
  font-size: 15px;
  color: var(--text-2);
}

/* === CTA === */
.cta-section { text-align: center; }
.cta-inner { max-width: 520px; margin: 0 auto; }
.cta-inner p {
  color: var(--text-2);
  font-size: 16px;
  margin-bottom: 24px;
}

/* === Footer === */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-3);
}
.footer-right {
  display: flex;
  gap: 20px;
}
.footer-right a:hover { color: var(--text-2); }

/* === Mobile === */
@media (max-width: 640px) {
  .hero { padding: 64px 0 40px; }
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 56px 0; }
  .nav-links { gap: 16px; font-size: 13px; }
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}

/* === Products Section === */
.product-card {
  position: relative;
  border: 1px solid var(--border);
  padding: 32px;
  max-width: 480px;
}

.product-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.product-tagline {
  color: var(--text-2);
  font-size: 15px;
  margin-bottom: 12px;
  font-style: italic;
}

.product-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.role-tag {
  font-size: 12px;
  color: var(--text-3);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
}

.product-price {
  margin-top: 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.price-amount {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
}

.price-note {
  font-size: 13px;
  color: var(--text-3);
}

.product-btn {
  margin-top: 20px;
  display: inline-block;
}