/* ============================================================
   CypherHound — shared site styles
   Palette: deep circuit-navy background, cold cyan signal accent
   ============================================================ */

:root {
  --bg: #090c16;
  --bg-raised: #10142400;
  --surface: #121729;
  --surface-2: #171d34;
  --hairline: #262e4c;
  --text: #e9ecf6;
  --text-muted: #8b93b3;
  --text-faint: #565f82;
  --signal: #5fd6dd;
  --signal-dim: #2c7d82;
  --warn: #e6a25c;

  --font-display: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --measure: 42rem;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(95,214,221,0.08), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 0%, rgba(95,214,221,0.05), transparent 55%);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

/* ---------- Layout shells ---------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.site-nav a { color: var(--text-muted); }
.site-nav a:hover { color: var(--signal); text-decoration: none; }

main {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.site-footer {
  max-width: 64rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 2.5rem;
  border-top: 1px solid var(--hairline);
  margin-top: 4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.site-footer nav {
  display: flex;
  gap: 1.25rem;
}

.site-footer a { color: var(--text-muted); }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  overflow: hidden;
}

.hero-circuit {
  position: absolute;
  inset: -10% -5% auto -5%;
  height: 480px;
  width: 110%;
  pointer-events: none;
  opacity: 0.55;
  z-index: 0;
}

.hero-circuit path {
  fill: none;
  stroke: var(--signal-dim);
  stroke-width: 1;
}

.hero-circuit circle {
  fill: var(--signal);
  opacity: 0;
  animation: pulse-node 4.5s ease-in-out infinite;
}

@keyframes pulse-node {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.9; }
}

.hero-content { position: relative; z-index: 1; }

.hero-logo {
  width: 96px;
  height: 96px;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 0 24px rgba(95,214,221,0.25));
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin: 0 0 0.9rem;
}

h1.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  color: var(--text);
}

.hero-sub {
  max-width: 34rem;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ---------- Terminal command list (signature element) ---------- */

.terminal {
  max-width: 34rem;
  margin: 2.75rem auto 0;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  text-align: left;
  overflow: hidden;
  box-shadow: 0 20px 60px -30px rgba(0,0,0,0.6);
}

.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--hairline);
}

.terminal-bar span {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--hairline);
}

.terminal-body {
  padding: 1.1rem 1.3rem 1.3rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
}

.terminal-line {
  display: flex;
  gap: 0.75rem;
  padding: 0.4rem 0;
  color: var(--text-muted);
  border-bottom: 1px dashed rgba(38,46,76,0.6);
}
.terminal-line:last-child { border-bottom: none; }

.terminal-line .cmd { color: var(--signal); white-space: nowrap; }
.terminal-line .desc { color: var(--text-muted); }

/* ---------- Sections ---------- */

.section {
  padding: 3rem 0;
  border-top: 1px solid var(--hairline);
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--signal);
  margin: 0 0 1.25rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 1.25rem 1.35rem;
}

.card .cmd {
  font-family: var(--font-display);
  color: var(--signal);
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.4rem;
}

.card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* ---------- Legal document pages ---------- */

.doc {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.doc .eyebrow { text-align: left; }

.doc h1 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  margin: 0 0 0.4rem;
}

.doc .updated {
  color: var(--text-faint);
  font-size: 0.85rem;
  margin: 0 0 2.5rem;
}

.doc h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--signal);
  margin: 2.4rem 0 0.9rem;
  letter-spacing: 0.01em;
}

.doc p, .doc li {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.doc ul, .doc ol {
  padding-left: 1.3rem;
}

.doc li { margin-bottom: 0.5rem; }

.doc strong { color: var(--text); }

.callout {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--signal);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* ---------- Responsive ---------- */

@media (max-width: 640px) {
  .site-header { flex-direction: column; gap: 0.9rem; align-items: flex-start; }
  .terminal-line { flex-direction: column; gap: 0.15rem; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-circuit circle { animation: none; opacity: 0.5; }
  html { scroll-behavior: auto; }
}