/* IndiDiet support site — "Nexus Core" tokens from src/theme (dark-only, like the app). */
:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: #18181b;
  --surface-sunken: #0c0c0e;
  --border: #27272a;
  --border-strong: #3f3f46;
  --text: #ffffff;
  --text-2: #a1a1aa;
  --text-3: #8e8e97;
  --warn: #fbbf24;
  --radius: 16px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: radial-gradient(80% 420px at 50% 0%, #1c1c20 0%, var(--bg) 100%) no-repeat, var(--bg);
  color: var(--text);
  font: 400 16px/1.65 var(--sans);
}
a { color: var(--text); text-decoration-color: var(--border-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--text); }
:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px; }

/* header / nav */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; text-decoration: none; letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.nav a {
  font: 500 13px/1 var(--sans); color: var(--text-2); text-decoration: none;
  padding: 8px 12px; border-radius: 999px; border: 1px solid transparent;
}
.nav a:hover { color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); border-color: var(--border); background: var(--surface); }

/* type */
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-3); margin: 0 0 12px; }
h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.1; font-weight: 600; letter-spacing: -0.025em; margin: 0 0 12px; }
h2 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; margin: 40px 0 12px; }
h3 { font-size: 16px; font-weight: 600; margin: 0 0 6px; }
.lede { color: var(--text-2); font-size: 18px; margin: 0; max-width: 56ch; }
.muted { color: var(--text-3); font-size: 14px; }
p, ul, ol { margin: 0 0 14px; }
li { margin-bottom: 6px; }
main { padding: 40px 0 24px; }
main.doc p, main.doc li { color: var(--text-2); }
main.doc strong, main.doc em { color: var(--text); }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 32px 0; }
.card {
  display: block; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; text-decoration: none; transition: border-color .15s, transform .15s;
}
a.card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.card .num { font: 500 12px/1 var(--mono); color: var(--text-3); margin-bottom: 14px; display: block; }
.card p { color: var(--text-2); font-size: 14px; margin: 0; }

.features { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0 24px; }
.features li { color: var(--text-2); padding: 10px 0; border-bottom: 1px solid var(--border); margin: 0; }
.features li::before { content: "—"; color: var(--text-3); margin-right: 10px; font-family: var(--mono); }

/* FAQ */
.faq { border-top: 1px solid var(--border); }
.faq details { border-bottom: 1px solid var(--border); }
.faq summary {
  cursor: pointer; list-style: none; padding: 16px 32px 16px 0; font-weight: 500; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 14px; font: 400 20px/1 var(--mono); color: var(--text-3);
}
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 0 16px; color: var(--text-2); }
.faq details > div p:last-child, .faq details > div ol:last-child { margin-bottom: 0; }

.contact {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin: 40px 0 8px;
}
.contact h2 { margin-top: 0; }
.contact p { color: var(--text-2); }
.btn {
  display: inline-block; background: var(--text); color: var(--bg); font-weight: 600; font-size: 15px;
  text-decoration: none; padding: 12px 20px; border-radius: 999px; margin-top: 4px;
}
.btn:hover { background: #e4e4e7; }
.email { font-family: var(--mono); font-size: 14px; word-break: break-all; }

.note {
  border: 1px solid rgba(251,191,36,.25); background: rgba(251,191,36,.06); color: var(--text-2);
  border-radius: 12px; padding: 14px 16px; font-size: 14px; margin: 24px 0;
}

/* footer */
footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 24px 0 40px; color: var(--text-3); font-size: 14px; }
footer .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
footer a { color: var(--text-2); }
footer nav a { margin-right: 16px; }
footer nav a:last-child { margin-right: 0; }

@media (max-width: 480px) {
  .top { flex-direction: column; align-items: flex-start; }
  .nav { margin-left: -12px; }
  main { padding-top: 24px; }
}
@media (prefers-reduced-motion: reduce) { a.card { transition: none; } a.card:hover { transform: none; } }