:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #171717;
  --border: #262626;
  --text: #f5f5f5;
  --muted: #a3a3a3;
  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.12);
  --accent-glow: rgba(34, 197, 94, 0.25);
  --font: "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 14px;
  --max: 1080px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-a {
  width: 480px;
  height: 480px;
  top: -120px;
  right: -80px;
  background: var(--accent-glow);
  opacity: 0.35;
}

.glow-b {
  width: 360px;
  height: 360px;
  bottom: 10%;
  left: -100px;
  background: rgba(34, 197, 94, 0.08);
}

.nav,
main,
.footer {
  position: relative;
  z-index: 1;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
}

.brand-light {
  font-weight: 300;
}

.brand-bold {
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.925rem;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.925rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.btn-sm {
  padding: 0.45rem 0.85rem;
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  color: #052e16;
}

.btn-primary:hover {
  background: #4ade80;
}

.btn-ghost {
  border-color: var(--border);
  background: transparent;
  color: var(--text);
}

.btn-ghost:hover {
  border-color: #404040;
  background: var(--surface);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5vw, 3.35rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-inline: auto;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.lead {
  margin: 0 auto 1.75rem;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.disclaimer-inline {
  margin: 0;
  font-size: 0.82rem;
  color: #737373;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  max-width: var(--max);
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}

.pills span {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 36rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.card {
  padding: 1.35rem;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

.card code {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
}

.card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.925rem;
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tag-high {
  background: rgba(239, 68, 68, 0.12);
  color: #fca5a5;
}

.tag-medium {
  background: rgba(245, 158, 11, 0.12);
  color: #fcd34d;
}

.tag-low {
  background: rgba(148, 163, 184, 0.12);
  color: #cbd5e1;
}

.tag-active {
  background: var(--accent-dim);
  color: var(--accent);
}

.tag-planned {
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--border);
}

.rules-list {
  display: grid;
  gap: 1rem;
}

.rule {
  padding: 1.35rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.rule h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.rule h3 code {
  color: var(--accent);
  font-size: 0.85rem;
}

.rule-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.rule p {
  margin: 0.35rem 0;
  color: var(--muted);
  font-size: 0.925rem;
}

.rule .excerpt {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  border-left: 2px solid var(--accent);
  background: #050505;
  font-size: 0.85rem;
  color: #d4d4d4;
}

.rule .excerpt a {
  color: var(--accent);
}

.catalog-text a {
  color: var(--accent);
}

.catalog {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
  padding-block: 3rem;
  border-block: 1px solid var(--border);
}

.catalog-text p {
  margin: 0;
  color: var(--muted);
  max-width: 34rem;
}

.catalog-text code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--accent);
}

.catalog-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.catalog-list li {
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  font-weight: 500;
}

.start-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.panel {
  padding: 1.35rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.panel p {
  margin: 0 0 0.75rem;
  color: var(--muted);
  font-size: 0.925rem;
}

.panel-note {
  margin-top: 0.75rem !important;
  font-size: 0.85rem !important;
}

pre {
  margin: 0;
  padding: 1rem;
  border-radius: 10px;
  overflow-x: auto;
  background: #050505;
  border: 1px solid var(--border);
}

code {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: #d4d4d4;
}

.steps {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
}

.steps li span {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
}

.steps code {
  font-size: 0.85em;
  color: var(--text);
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
}

.footer img {
  margin: 0 auto 1rem;
  border-radius: 12px;
}

.footer p {
  margin: 0.35rem 0;
  color: var(--muted);
  font-size: 0.925rem;
}

.footer a:hover {
  color: var(--accent);
}

.footer-disclaimer {
  max-width: 32rem;
  margin-inline: auto !important;
  font-size: 0.82rem !important;
  color: #737373 !important;
}

@media (max-width: 720px) {
  .nav-links a:not(.btn) {
    display: none;
  }

  .catalog {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2rem;
  }
}