/* buildafamiliar.com — the site wears the device's own UI.
   Single committed theme: phosphor CRT (dark by nature). */
:root {
  --ground: #070c08;
  --panel: #0c140d;
  --edge: #16351f;
  --ink: #58e389;
  --dim: #2f8a55;
  --faint: #1c4a2e;
  --amber: #f0b64a;
  --red: #e5484d;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { background: #030503; }
body {
  margin: 0; padding: 0 12px 70px;
  font-family: var(--mono);
  color: var(--ink);
  background: var(--ground);
  min-height: 100vh;
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 2;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,.16) 0 1px, transparent 1px 3px);
}
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 3;
  background: radial-gradient(ellipse at 50% 40%, transparent 55%, rgba(0,0,0,.5) 100%);
}
.crt { max-width: 880px; margin: 0 auto; position: relative; z-index: 1; }

/* nav = the device's tab bar */
nav {
  display: flex; gap: 2px; margin: 18px 0 0;
  border: 1px solid var(--edge); background: var(--panel);
}
nav a {
  flex: 1; text-align: center; padding: 11px 4px 9px;
  color: var(--dim); text-decoration: none;
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  border-bottom: 2px solid transparent;
}
nav a:hover { color: var(--ink); }
nav a[aria-current] { color: var(--ink); border-bottom-color: var(--ink);
  text-shadow: 0 0 10px rgba(88,227,137,.5); }
nav a:focus-visible { outline: 1px solid var(--amber); outline-offset: -3px; }

header.hero { border: 1px solid var(--edge); border-top: 0; background: var(--panel);
  padding: 26px 26px 22px; }
.sysline { color: var(--dim); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
h1 {
  margin: 10px 0 4px; font-size: clamp(26px, 5.6vw, 46px); font-weight: 700;
  letter-spacing: .06em; text-wrap: balance;
  text-shadow: 0 0 16px rgba(88,227,137,.45);
}
.cursor { display: inline-block; width: .55em; height: .95em; background: var(--ink);
  vertical-align: -.08em; margin-left: .12em; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .cursor { animation: none; } }
.sub { color: var(--dim); font-size: 14.5px; margin: 8px 0 0; max-width: 64ch; line-height: 1.6; }
.sub b, main b { color: var(--ink); font-weight: 600; }

main { display: block; }
section { margin-top: 26px; }
.seclabel { display: flex; align-items: baseline; gap: 12px; }
.seclabel h2 { margin: 0; font-size: 13px; letter-spacing: .22em; text-transform: uppercase;
  color: var(--amber); font-weight: 600; }
.seclabel .rule { flex: 1; border-top: 1px solid var(--edge); transform: translateY(-2px); }

.card { border: 1px solid var(--edge); background: var(--panel); margin-top: 12px;
  padding: 16px 20px; font-size: 13.5px; line-height: 1.65; color: var(--dim); }
.card p { margin: 8px 0; max-width: 70ch; }
.card h3 { color: var(--ink); font-size: 15px; margin: 4px 0 6px; letter-spacing: .04em; }

ul.term { list-style: none; margin: 8px 0; padding: 0; }
ul.term li { display: flex; gap: 10px; padding: 5px 0; color: var(--dim); }
ul.term li::before { content: ">"; color: var(--faint); flex: 0 0 auto; }

pre, code { font-family: var(--mono); }
pre { background: #050a06; border: 1px solid var(--edge); padding: 12px 14px;
  overflow-x: auto; font-size: 13px; color: var(--ink); line-height: 1.5; }
code { color: var(--ink); font-size: .95em; }
a { color: var(--ink); }
a:hover { text-shadow: 0 0 8px rgba(88,227,137,.6); }

table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
.tablewrap { overflow-x: auto; }
th { text-align: left; color: var(--amber); font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; font-size: 11.5px; padding: 8px 10px;
  border-bottom: 1px solid var(--edge); }
td { padding: 8px 10px; border-bottom: 1px solid rgba(22,53,31,.55); color: var(--dim);
  font-variant-numeric: tabular-nums; }
td b { color: var(--ink); }

.chip { display: inline-block; font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  padding: 2px 8px; border: 1px solid; border-radius: 2px; white-space: nowrap; }
.chip.ok { color: var(--ink); border-color: var(--dim); }
.chip.soon { color: var(--amber); border-color: var(--amber); }

/* CSS mockup of the device screen (no photos needed) */
.device { border: 6px solid #111a12; border-radius: 10px; background: #050a06;
  max-width: 480px; margin: 18px auto 6px; box-shadow: 0 0 40px rgba(88,227,137,.12); }
.d-tabs { display: flex; border-bottom: 1px solid var(--edge); }
.d-tabs span { flex: 1; text-align: center; font-size: 10px; letter-spacing: .14em;
  padding: 6px 2px; color: var(--faint); }
.d-tabs span.on { color: var(--ink); border-bottom: 2px solid var(--ink); }
.d-body { display: flex; min-height: 200px; }
.d-face { flex: 3; display: flex; align-items: center; justify-content: center;
  font-size: 64px; text-shadow: 0 0 24px rgba(88,227,137,.7); }
.d-vitals { flex: 1; border-left: 1px solid var(--edge); padding: 12px 10px;
  font-size: 11px; line-height: 2; color: var(--dim); }
.d-vitals b { color: var(--ink); display: block; }

footer { margin-top: 34px; color: var(--faint); font-size: 12px; line-height: 1.7; }
footer a { color: var(--dim); }