/* uMaps site — shared design system
   Source of truth: umaps-app/src/constants/theme.ts ("field-survey equipment").
   Dark-only by design — the app is dark-only and the brand commits to it. */

:root {
  color-scheme: dark;
  --bg: #0A0B0C;
  --surface: #141619;
  --raised: #1D2025;
  --border: #282D33;
  --border-strong: #3A4048;
  --amber: #F5A524;
  --amber-bright: #FFC061;
  --text: #EAECEE;
  --text-body: #A8AEB5;
  --text-2: #9AA1A9;
  --text-3: #646C74;
  --green: #57C25F;
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Barlow', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 72px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--amber); text-decoration: none; }
a:hover { color: var(--amber-bright); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
p { text-wrap: pretty; margin: 0 0 1em; }
::selection { background: rgba(245, 165, 36, 0.30); color: #fff; }

img, svg { max-width: 100%; }

/* ---------- shared atoms ---------- */

.mono { font-family: var(--mono); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-3);
}

.chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-2);
  padding: 6px 11px;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  padding: 13px 22px;
  border-radius: var(--r-sm);
  border: 1px solid var(--amber);
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.btn-solid { background: var(--amber); color: #1A1205; }
.btn-solid:hover { background: var(--amber-bright); color: #1A1205; }
.btn-ghost { background: transparent; color: var(--amber); }
.btn-ghost:hover { background: rgba(245, 165, 36, 0.10); color: var(--amber-bright); }
.btn-line { border-color: var(--border-strong); color: var(--text-2); }
.btn-line:hover { border-color: var(--text-2); color: var(--text); }

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

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 11, 12, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo svg { display: block; }
.nav-wordmark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 1px;
  line-height: 0.85;
  color: var(--text);
}
.nav-logo:hover .nav-wordmark { color: var(--amber-bright); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--text-2);
  padding: 8px 12px;
  border-radius: var(--r-sm);
}
.nav-links a:hover { color: var(--text); }
.nav-links a[aria-current="page"] { color: var(--amber); }
.nav-cta {
  font-family: var(--body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: var(--r-sm);
  padding: 9px 15px;
  white-space: nowrap;
}
.nav-cta:hover { background: rgba(245, 165, 36, 0.10); }
@media (max-width: 720px) {
  .nav-links a { padding: 8px 7px; letter-spacing: 0.8px; }
  .nav-cta { display: none; }
}

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

.footer { border-top: 1px solid var(--border); margin-top: 96px; }
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 52px 24px 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-brand p {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-3);
  max-width: 240px;
}
.footer h4 {
  margin: 0 0 14px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--text-3);
}
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer ul a { font-size: 14px; color: var(--text-2); }
.footer ul a:hover { color: var(--amber); }
.footer-bar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--text-3);
}

/* ---------- document pages (privacy / terms / support) ---------- */

.doc {
  max-width: 760px;
  margin: 0 auto;
  padding: 60px 24px 40px;
}
.doc-head { margin-bottom: 40px; }
.doc-head h1 {
  margin: 12px 0 0;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(42px, 7vw, 58px);
  line-height: 0.92;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text);
}
.doc-head .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.doc-lede {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-body);
  max-width: 640px;
}
.doc h2 {
  margin: 44px 0 12px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 25px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.doc h2 .idx {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--amber);
}
.doc h3 {
  margin: 26px 0 8px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
}
.doc p, .doc li { font-size: 15.5px; line-height: 1.7; color: var(--text-body); }
.doc strong { color: var(--text); font-weight: 600; }
.doc ul { margin: 0 0 1em; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; }
.doc ul li { padding-left: 19px; position: relative; }
.doc ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--amber);
}
.doc hr { border: none; border-top: 1px solid var(--border); margin: 44px 0; }
.doc code { font-family: var(--mono); font-size: 13.5px; color: var(--amber); }

.doc-note {
  margin: 28px 0;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber);
  border-radius: var(--r-md);
  background: var(--surface);
}
.doc-note p { margin: 0; font-size: 14.5px; }

.faq-q { margin: 26px 0 6px; font-family: var(--body); font-weight: 600; font-size: 16.5px; color: var(--text); }
.faq-q + p { margin-top: 0; }