/* Fairlead by SYNTRALEX: tokens and controls shared by the landing page and the app.
   Petrol-night ground, as on syntralex.com. Two signal colours with fixed meanings: cyan = moving or done,
   sodium amber = waiting on someone. Archivo set wide and heavy for headings, JetBrains Mono for figures. */
:root {
  --ground: #07151c; --deck: #0c1f27; --deck-2: #10262f; --rule: #1a3340; --rule-2: #27495a;
  --text: #e8f0f2; --mist: #b3c6cd; --dim: #82999f;
  --signal: #46d3e6; --signal-ink: #04222a; --wait: #f0b341; --ok: #48d597; --crit: #ff7a6b;
  --paper: #dce7e9; --paper-ink: #0b1d24; --paper-dim: #4b6169;
  --display: "Archivo", system-ui, sans-serif;
  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wrap: 1200px; --gutter: clamp(16px, 4vw, 40px);
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--text); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3 { margin: 0; font-family: var(--display); text-wrap: balance; }
p { margin: 0; }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
.mono { font-family: var(--mono); }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--signal); color: var(--signal-ink); padding: 8px 12px; border-radius: 6px; z-index: 70; }
.skip:focus { left: 8px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 10px 18px; border-radius: 10px; border: 1px solid transparent; font: 600 15px/1.2 var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap; background: none; color: var(--text); }
.btn-lg { padding: 14px 24px; font-size: 16px; }
.btn-sm { min-height: 36px; padding: 7px 14px; font-size: 14px; }
.btn-signal { background: var(--signal); color: var(--signal-ink); }
.btn-signal:hover { background: #73e0ee; }
.btn-line { border-color: var(--rule-2); }
.btn-line:hover { border-color: var(--mist); }
.btn-danger { border-color: var(--crit); color: var(--crit); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.link-quiet { color: var(--mist); text-decoration: none; font-weight: 500; }
.link-quiet:hover { color: var(--text); }

/* Brand lockup: a line led cleanly through a ring. */
.brand { display: flex; align-items: center; gap: 16px; text-decoration: none; color: var(--text); }
.brand b { display: block; font: 800 23px/1 var(--display); font-stretch: 125%; letter-spacing: .12em; text-transform: uppercase; }
.brand small { display: block; margin-top: 5px; font: 600 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--signal); }
.fl-mark { width: 26px; height: 26px; margin: 0 9px; border-radius: 50%; border: 3px solid var(--signal); position: relative; flex: none; }
.fl-mark::after { content: ""; position: absolute; left: -9px; right: -9px; top: 50%; height: 3px; margin-top: -1.5px; background: var(--wait); border-radius: 2px; }

.top { position: sticky; top: 0; z-index: 40; background: rgb(7 21 28 / .9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--rule); }
.top-row { display: flex; align-items: center; gap: 28px; min-height: 68px; }
.top-cta { margin-left: auto; display: flex; align-items: center; gap: 14px; }

.foot { border-top: 1px solid var(--rule); padding: 40px 0 48px; color: var(--dim); font-size: 14.5px; }
.foot-grid { display: grid; grid-template-columns: 1fr auto auto; gap: 24px 48px; align-items: start; }
.foot p { margin-top: 10px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.foot a { color: var(--mist); }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .brand b { font-size: 19px; } .top-row { gap: 12px; } }