/* Drift Maps — shared brand system.
   Palette, type, and page chrome per ../brand/brand.md §3.
   Night-run cartography: asphalt ground, contour linework, one amber road. */

:root {
  color-scheme: dark;

  /* Palette (brand.md §3) */
  --asphalt:   #0E0F12;
  --basalt:    #16181D;
  --basalt-2:  #1B1E24;
  --contour:   #2A2E36;
  --gravel:    #8A919D;
  --chalk:     #E8E6E0;
  --sodium:    #FFA43B;
  --sodium-dim:#7a5320;
  --taillight: #E5484D;
  --signal:    #63D471;

  --display: "Space Grotesk", "Archivo", "Segoe UI", system-ui, sans-serif;
  --body:    "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono:    "JetBrains Mono", "Cascadia Code", ui-monospace, Consolas, monospace;

  --shell: 1120px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--asphalt);
  color: var(--chalk);
  font: 16px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Faint contour survey grid over the whole page — the "map printed on night". */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    repeating-radial-gradient(circle at 82% -6%, transparent 0 58px, #191c22 58px 59px),
    repeating-radial-gradient(circle at 6% 78%, transparent 0 74px, #15181d 74px 75px);
  opacity: .55;
  mask-image: radial-gradient(ellipse 130% 90% at 50% 0%, #000 20%, transparent 78%);
}
body > * { position: relative; z-index: 1; }

a { color: var(--sodium); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--display); line-height: 1.12; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }

code {
  font-family: var(--mono); font-size: .88em; color: var(--chalk);
  background: #0A0B0E; border: 1px solid var(--contour);
  border-radius: 5px; padding: 1px 6px;
}

.shell { width: 100%; max-width: var(--shell); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-size: .82rem; letter-spacing: .02em; }

/* ---------- glyph + wordmark ---------- */

.mark { display: flex; align-items: center; gap: 11px; }
.mark svg { width: 34px; height: 34px; flex: none; }
.mark .word {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chalk);
  white-space: nowrap;
}

/* ---------- nav ---------- */

.nav {
  position: sticky; top: 0; z-index: 40;
  background: rgba(14, 15, 18, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--contour);
}
.nav .shell {
  display: flex; align-items: center; gap: 28px;
  height: 68px;
}
.nav a.mark:hover { text-decoration: none; }
.nav .links { display: flex; gap: 26px; }
.nav .links a {
  color: var(--gravel); font-size: .9rem; font-weight: 500;
}
.nav .links a:hover { color: var(--chalk); text-decoration: none; }
.nav .actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--body); font-size: .95rem; font-weight: 600;
  padding: 11px 20px; border-radius: 8px; border: 1px solid transparent;
  cursor: pointer; white-space: nowrap; transition: .16s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--sodium); color: #191006; }
.btn-primary:hover { background: #ffb35c; }
.btn-primary:disabled { opacity: .45; cursor: wait; }
.btn-ghost { background: transparent; color: var(--chalk); border-color: var(--contour); }
.btn-ghost:hover { border-color: var(--gravel); background: rgba(255,255,255,.03); }
.btn-quiet { background: transparent; color: var(--gravel); padding: 11px 4px; }
.btn-quiet:hover { color: var(--chalk); }
.btn-block { width: 100%; }
.btn-lg { padding: 14px 26px; font-size: 1.02rem; }

/* ---------- cards / surfaces ---------- */

.card {
  background: var(--basalt);
  border: 1px solid var(--contour);
  border-radius: var(--radius);
  padding: 24px;
}

.eyebrow {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--sodium);
}
.section-label {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--gravel);
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.section-label::after {
  content: ""; flex: 1; height: 1px; background: var(--contour);
}

.dim { color: var(--gravel); }

/* ---------- forms ---------- */

label.field {
  display: block; font-family: var(--mono); font-size: .72rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--gravel);
  margin-bottom: 7px;
}
input[type=text], input[type=email], input[type=password] {
  width: 100%; padding: 11px 13px; font-size: .98rem; font-family: var(--body);
  color: var(--chalk); background: #0A0B0E;
  border: 1px solid var(--contour); border-radius: 8px;
  transition: border-color .15s ease;
}
input::placeholder { color: #5b6270; }
input:focus { outline: none; border-color: var(--sodium); }
input.mono-input { font-family: var(--mono); font-size: .9rem; }

/* ---------- footer ---------- */

.foot {
  border-top: 1px solid var(--contour);
  margin-top: 96px; padding: 44px 0 56px;
  color: var(--gravel); font-size: .86rem;
}
.foot .shell { display: grid; gap: 30px; grid-template-columns: 1.4fr 1fr 1fr; }
.foot h4 {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--chalk); margin: 0 0 12px;
}
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot ul a { color: var(--gravel); }
.foot ul a:hover { color: var(--chalk); }
.legal {
  border-top: 1px solid var(--contour); margin-top: 36px; padding-top: 22px;
  font-size: .78rem; color: #5c6270; line-height: 1.7;
}

@media (max-width: 860px) {
  .nav .links { display: none; }
  .foot .shell { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .foot .shell { grid-template-columns: 1fr; }
}