/* Shared perma.bio chrome — marketing + app. Accent #3FD68C; never studio teal. */
:root {
  --bg-deep: #0D0F14;
  --bg-base: #171A21;
  --bg-lift: #202531;
  --ink: #EEF2F8;
  --ink-dim: #99A3B5;
  --ink-mute: #828DA0;
  --accent: #3FD68C;
  --line: #ffffff12;
  --alert: #FF5F55;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --measure: 40rem;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--mono);
  color: var(--ink);
  background:
    radial-gradient(rgba(238,242,248,0.035) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(180deg, var(--bg-deep), var(--bg-base));
  line-height: 1.55;
}
a { color: var(--accent); }
.wrap { max-width: 56rem; margin: 0 auto; padding: var(--pad); }
.mark { font-weight: 700; letter-spacing: 0.02em; text-decoration: none; color: var(--ink); }
.mark .tld { color: var(--accent); }
nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem var(--pad); border-bottom: 1px solid var(--line);
  max-width: 56rem; margin: 0 auto;
}
nav .links { display: flex; gap: 1rem; flex-wrap: wrap; font-size: 0.85rem; }
nav .links a { color: var(--ink-dim); text-decoration: none; }
nav .links a:hover { color: var(--accent); }
.btn {
  display: inline-block; padding: 0.65rem 1rem; border-radius: 6px;
  border: 1px solid var(--accent); background: var(--accent); color: #0B0D12;
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
}
.btn.ghost {
  background: transparent; color: var(--accent);
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.hero { padding: 3.5rem 0 2rem; max-width: var(--measure); }
.hero h1 { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 400; margin: 0 0 1rem; }
.hero p { color: var(--ink-dim); margin: 0 0 1rem; }
.plan b { color: var(--accent); }
.card {
  background: var(--bg-lift); border: 1px solid var(--line);
  border-radius: 8px; padding: 1.25rem; margin: 1rem 0;
}
.muted { color: var(--ink-mute); font-size: 0.85rem; }
.err { color: var(--alert); font-size: 0.9rem; }
.ok { color: var(--accent); font-size: 0.9rem; }
label { display: block; font-size: 0.75rem; color: var(--ink-mute); margin: 0.75rem 0 0.3rem; text-transform: uppercase; letter-spacing: 0.06em; }
input, textarea, select {
  width: 100%; padding: 0.65rem 0.75rem; border-radius: 6px;
  border: 1px solid var(--line); background: var(--bg-deep); color: var(--ink);
  font: inherit; font-size: 0.95rem;
}
textarea { min-height: 4.5rem; resize: vertical; }
.row { display: flex; gap: 0.5rem; align-items: center; }
.row input { flex: 1; }
footer.site {
  margin-top: 3rem; padding: 1.5rem var(--pad); border-top: 1px solid var(--line);
  color: var(--ink-mute); font-size: 0.8rem; max-width: 56rem; margin-left: auto; margin-right: auto;
}
footer.site a { color: var(--ink-mute); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
@media (max-width: 800px) { .grid-2 { grid-template-columns: 1fr; } }
.preview-frame {
  width: 100%; min-height: 28rem; border: 1px solid var(--line);
  border-radius: 8px; background: #000; color: var(--ink-mute);
}
.link-row { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 0.4rem; margin-bottom: 0.4rem; }
@media (max-width: 600px) { .link-row { grid-template-columns: 1fr; } }
.faq-list { display: flex; flex-direction: column; gap: 0.65rem; margin: 0 0 2rem; }
.faq {
  background: var(--bg-lift); border: 1px solid var(--line);
  border-radius: 8px; padding: 0.85rem 1.1rem;
}
.faq summary {
  cursor: pointer; list-style: none; font-weight: 700; color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; float: right; color: var(--accent); font-weight: 700;
}
.faq[open] summary::after { content: "–"; }
.faq p { color: var(--ink-dim); margin: 0.75rem 0 0.15rem; font-size: 0.95rem; }
.faq code {
  font-size: 0.85em; color: var(--accent);
  background: var(--bg-deep); padding: 0.1rem 0.35rem; border-radius: 4px;
}
.pill {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
  border: 1px solid var(--line); font-size: 0.75rem; color: var(--ink-dim);
}
.pill.on { border-color: var(--accent); color: var(--accent); }