/* SKELETONKEY — landing page styles */

* { box-sizing: border-box; }

:root {
  --bg: #0d1117;
  --bg-elevated: #161b22;
  --border: #30363d;
  --text: #c9d1d9;
  --text-muted: #8b949e;
  --text-dim: #6e7681;
  --accent: #58a6ff;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
          Arial, sans-serif;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre {
  font-family: var(--mono);
  font-size: 0.92em;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Top nav */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 10;
}
.nav-brand {
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}
.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.15s ease;
}
.nav-github:hover {
  color: var(--text);
  border-color: var(--text-muted);
  text-decoration: none;
}
.nav-github svg { display: block; }

/* Hero */
.hero {
  text-align: center;
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
}
.hero h1 {
  font-family: var(--mono);
  font-size: 2.5rem;
  letter-spacing: 0.05em;
  margin: 0 0 1rem;
  font-weight: 800;
}
.hero .tag {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: 0 auto 2rem;
  max-width: 640px;
}
.hero .tag strong { color: var(--text); }

.install-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin: 0 auto 1.5rem;
  max-width: 760px;
  text-align: left;
  position: relative;
  overflow-x: auto;
}
.install-block pre {
  margin: 0;
  color: var(--text);
  white-space: pre;
}
.install-block .prompt { color: var(--green); user-select: none; }
.install-block .copy {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.install-block .copy:hover { color: var(--text); border-color: var(--text-muted); }
.install-block .copy.copied { color: var(--green); border-color: var(--green); }

.warn {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(248, 81, 73, 0.08);
  border: 1px solid rgba(248, 81, 73, 0.4);
  border-radius: 4px;
  color: var(--red);
  font-size: 0.85rem;
}

.cta-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.btn {
  display: inline-block;
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.15s ease;
  border: 1px solid var(--border);
  color: var(--text);
}
.btn:hover { background: var(--bg-elevated); text-decoration: none; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #1f6feb; }

/* Sections */
section { padding: 3rem 0; border-bottom: 1px solid var(--border); }
section h2 {
  font-size: 1.6rem;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}
section h3 {
  font-size: 1.1rem;
  margin: 1.5rem 0 0.75rem;
  color: var(--text);
}

.lead { color: var(--text-muted); font-size: 1.05rem; max-width: 720px; }

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}
.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  text-align: center;
}
.stat-num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  display: block;
}
.stat-num.green { color: var(--green); }
.stat-num.yellow { color: var(--yellow); }
.stat-label { color: var(--text-muted); font-size: 0.85rem; }
@media (max-width: 600px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* Audience cards */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
}
.card h3 { margin-top: 0; color: var(--text); }
.card p { margin: 0.5rem 0 0; color: var(--text-muted); font-size: 0.95rem; }
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr; }
}

/* Module pills */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.75rem 0 1.5rem;
}
.pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
}
.pill.green { border-color: rgba(63, 185, 80, 0.4); color: var(--green); }
.pill.yellow { border-color: rgba(210, 153, 34, 0.4); color: var(--yellow); }

/* CVE table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
}
table.cve-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
table.cve-table th,
table.cve-table td {
  text-align: left;
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  white-space: nowrap;
}
table.cve-table th {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
table.cve-table th.sortable { cursor: pointer; user-select: none; }
table.cve-table th.sortable:hover { color: var(--text); }
table.cve-table th[data-dir="asc"]::after  { content: " ▲"; opacity: 0.7; }
table.cve-table th[data-dir="desc"]::after { content: " ▼"; opacity: 0.7; }
table.cve-table td:nth-child(3) { white-space: normal; min-width: 280px; }
table.cve-table tr:last-child td { border-bottom: none; }
table.cve-table tr:hover td { background: rgba(255, 255, 255, 0.025); }
table.cve-table code {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-size: 0.86em;
}

.tier {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.tier.green  { color: var(--green);  border-color: rgba(63, 185, 80, 0.4); }
.tier.yellow { color: var(--yellow); border-color: rgba(210, 153, 34, 0.4); }

@media (max-width: 600px) {
  table.cve-table { font-size: 0.82rem; }
  table.cve-table th,
  table.cve-table td { padding: 0.45rem 0.6rem; }
}

/* Code block */
pre.code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
}
pre.code .cmt { color: var(--text-dim); }
pre.code .prompt { color: var(--green); user-select: none; }
pre.code .hl-green { color: var(--green); }
pre.code .hl-yellow { color: var(--yellow); }
pre.code .hl-muted { color: var(--text-muted); }
pre.code .hl-accent { color: var(--accent); }

/* Inline code */
:not(pre) > code {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  font-size: 0.88em;
}

/* Footer */
footer {
  padding: 2.5rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
footer a { color: var(--text-muted); }

/* Subtle list styling */
ul.tight { list-style: none; padding: 0; }
ul.tight li {
  padding: 0.3rem 0;
  color: var(--text-muted);
}
ul.tight li::before {
  content: "›";
  color: var(--accent);
  margin-right: 0.5rem;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 1.9rem; }
  .hero .tag { font-size: 1rem; }
  section h2 { font-size: 1.35rem; }
  .container { padding: 1.5rem 1rem; }
}