/* PRISM website — sober, terminal-aesthetic, single CSS file.
   Matches the Libertaria site family: monospace headers, off-white
   on near-black, no marketing fluff. */

:root {
  --bg: #0b0e10;
  --bg-elev: #11151a;
  --fg: #d7dadd;
  --fg-dim: #8a9097;
  --accent: #6ed4ff;
  --accent-2: #f0a868;
  --green: #87d78c;
  --red: #f47174;
  --rule: #1f262d;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}
a:hover { background: rgba(110, 212, 255, 0.08); border-bottom-color: var(--accent); }

pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

pre {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  padding: 0.9rem 1rem;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.5;
}

code {
  background: var(--bg-elev);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 13.5px;
}

pre code { background: transparent; padding: 0; border-radius: 0; font-size: inherit; }

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1.4rem 5rem;
}

header {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1.2rem;
  margin-bottom: 2rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.4rem;
}

.brand .logo {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.4rem;
}

.brand .tag {
  color: var(--fg-dim);
  font-size: 0.85rem;
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}
nav a { color: var(--fg-dim); border-bottom: 1px dotted var(--fg-dim); }
nav a:hover, nav a.active { color: var(--accent); border-bottom-color: var(--accent); }

pre.banner {
  background: transparent;
  border: none;
  padding: 0;
  font-size: 11px;
  line-height: 1.25;
  color: var(--accent);
  overflow-x: auto;
}

h1, h2, h3, h4 {
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 2.4rem 0 0.9rem;
  line-height: 1.25;
}
h1 { font-size: 1.9rem; margin-top: 0; color: var(--fg); }
h2 { font-size: 1.4rem; color: var(--accent); border-bottom: 1px solid var(--rule); padding-bottom: 0.4rem; }
h3 { font-size: 1.1rem; color: var(--fg); }
h4 { font-size: 1rem; color: var(--fg-dim); }

p { margin: 0 0 1rem; color: var(--fg); }
.dim { color: var(--fg-dim); }
.lead { font-size: 1.08rem; color: var(--fg); }
.warn { color: var(--accent-2); }

ul, ol { padding-left: 1.4rem; margin: 0 0 1rem; }
li { margin-bottom: 0.35rem; }

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

.callout {
  background: var(--bg-elev);
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1rem;
  border-radius: 0 4px 4px 0;
  margin: 1.2rem 0;
}
.callout.warn { border-left-color: var(--accent-2); }

table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.92rem; }
th, td { padding: 0.45rem 0.7rem; border-bottom: 1px solid var(--rule); text-align: left; }
th { color: var(--fg-dim); font-weight: 600; }

/* Needs-first decision matrix */
.needs {
  margin: 1.4rem 0 1.8rem;
  overflow-x: auto;
}
.needs table {
  min-width: 560px;
  font-size: 0.92rem;
}
.needs th {
  color: var(--fg-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--rule);
}
.needs td {
  vertical-align: top;
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--rule);
}
.needs .goal { color: var(--fg); font-weight: 600; }
.needs .pick { color: var(--green); font-weight: 700; white-space: nowrap; }
.needs .skip { color: var(--fg-dim); font-size: 0.85rem; }
.needs td code { white-space: nowrap; }
.needs .needs-note { color: var(--fg-dim); font-size: 0.85rem; margin-top: 0.6rem; }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--fg-dim);
  font-size: 0.85rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.4rem 0 1.6rem;
}
.card {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 1rem 1.1rem;
}
.card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; color: var(--accent); }
.card p { margin: 0 0 0.4rem; color: var(--fg-dim); font-size: 0.92rem; }
.card .cadence { font-size: 0.78rem; color: var(--fg-dim); }

.kbd {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px solid var(--rule);
  background: var(--bg-elev);
  font-size: 0.85em;
}

/* ─── Marketing layer (confident conversion) ─────────────────────── */

/* Hero */
.hero h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1.15;
  margin: 1.2rem 0 0.8rem;
  max-width: 22ch;
}
.hero .sub {
  font-size: 1.05rem;
  color: var(--fg);
  max-width: 68ch;
}
.hero .sub strong { color: var(--accent); font-weight: 600; }

/* CTAs */
.cta-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1.4rem 0 0.6rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 1.2rem;
  border-radius: 5px;
  border: 1px solid var(--rule);
  background: var(--bg-elev);
  color: var(--fg);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}
.btn:hover { background: #1a2129; border-color: var(--fg-dim); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #08110a;
}
.btn-primary:hover { background: #9fe3a4; border-color: #9fe3a4; color: #08110a; }
.btn-secondary { border-color: var(--accent); color: var(--accent); }
.btn-secondary:hover { background: rgba(110, 212, 255, 0.08); border-color: var(--accent); }

/* Install one-liner with copy button */
.install-box {
  display: flex;
  gap: 0.6rem;
  align-items: stretch;
  margin: 1rem 0 0.4rem;
  flex-wrap: wrap;
}
.install-box pre { flex: 1 1 420px; margin: 0; }
.install-box .copy-btn { min-width: 90px; }
.install-box .copy-btn.copied { border-color: var(--green); color: var(--green); }

/* Stats band */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.9rem;
  margin: 1.6rem 0 2.2rem;
}
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--rule);
  border-radius: 5px;
  padding: 0.9rem 1rem 1rem;
}
a.stat { text-decoration: none; border-bottom: 1px solid var(--rule); transition: border-color 150ms ease, background 150ms ease; }
a.stat:hover { border-color: var(--fg-dim); background: #151b22; }
a.stat .num { color: var(--accent); font-size: 1.25rem; }
.stat .num {
  display: block;
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--green);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.stat .label {
  display: block;
  margin-top: 0.3rem;
  color: var(--fg-dim);
  font-size: 0.85rem;
  line-height: 1.45;
}

/* Benefits grid */
.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.4rem 0 1.8rem;
}
.benefits .card h3 .what { color: var(--green); }
.benefits .card p { color: var(--fg); font-size: 0.92rem; }
.benefits .card .detail { color: var(--fg-dim); font-size: 0.85rem; }

/* Section anchors + rhythm */
section { margin-bottom: 1rem; }
.section-cta { margin: 1.6rem 0 0.5rem; }

/* Footnote-style source lines */
.sources { color: var(--fg-dim); font-size: 0.8rem; margin-top: -1rem; }

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
nav a { padding: 6px 2px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}