/* SurfaceCast website.
 *
 * Every brand value lives in the block below. The palette is SurfaceCast's
 * own interface, so the site and the program look like the same thing; swap
 * these for Dispatch Dataworks' house colours to match the parent site.
 */
:root {
  --brand-bg:        #141418;
  --brand-surface:   #1c1c22;
  --brand-raised:    #24242c;
  --brand-line:      #32323c;
  --brand-text:      #e2e2e8;
  --brand-muted:     #9a9aa6;
  --brand-accent:    #6aa9d8;   /* the blue the app uses for selection */
  --brand-accent-dk: #2f6a9e;
  --brand-warm:      #e8c46a;   /* the amber the app uses for queued/keys */
  --brand-live:      #c0392b;   /* the red for LIVE */
  --brand-font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --brand-mono: "Cascadia Mono", "SF Mono", Consolas, "Liberation Mono", monospace;
  --measure: 1140px;
  --radius: 8px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--brand-bg);
  color: var(--brand-text);
  font-family: var(--brand-font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
code, pre, kbd { font-family: var(--brand-mono); }

.wrap { max-width: var(--measure); margin: 0 auto; padding: 0 20px; }

/* -- header ---------------------------------------------------------- */
.site-head {
  position: sticky; top: 0; z-index: 20;
  background: rgba(20, 20, 24, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--brand-line);
}
.site-head .wrap { display: flex; align-items: center; gap: 24px; height: 62px; }
.wordmark { font-weight: 700; font-size: 19px; letter-spacing: -0.01em; color: var(--brand-text); }
.wordmark span { color: var(--brand-accent); }
.site-nav { margin-left: auto; display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.site-nav a { color: var(--brand-muted); font-size: 15px; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--brand-text); text-decoration: none; }

.nav-toggle { display: none; background: none; border: 1px solid var(--brand-line);
  color: var(--brand-text); border-radius: 6px; padding: 6px 10px; font-size: 15px; cursor: pointer; }

/* -- buttons --------------------------------------------------------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: var(--radius);
  font-weight: 600; font-size: 16px; border: 1px solid var(--brand-line);
  background: var(--brand-raised); color: var(--brand-text);
}
.btn:hover { text-decoration: none; border-color: var(--brand-accent); }
.btn-primary { background: var(--brand-accent-dk); border-color: var(--brand-accent-dk); color: #fff; }
.btn-primary:hover { background: var(--brand-accent); border-color: var(--brand-accent); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 0; }

/* -- hero ------------------------------------------------------------ */
.hero { padding: 76px 0 40px; border-bottom: 1px solid var(--brand-line); }
.hero h1 { font-size: clamp(34px, 5vw, 52px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.02em; }
.hero .lede { font-size: clamp(18px, 2.2vw, 21px); color: var(--brand-muted); max-width: 46em; margin: 0; }
.hero-shot { margin-top: 44px; border: 1px solid var(--brand-line); border-radius: var(--radius); overflow: hidden; }
.eyebrow { color: var(--brand-warm); font-size: 14px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; margin: 0 0 14px; }

/* -- sections -------------------------------------------------------- */
section { padding: 62px 0; border-bottom: 1px solid var(--brand-line); }
section h2 { font-size: clamp(24px, 3vw, 32px); margin: 0 0 12px; letter-spacing: -0.01em; }
section > .wrap > p { color: var(--brand-muted); max-width: 46em; }

.grid { display: grid; gap: 26px; margin-top: 34px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.card { background: var(--brand-surface); border: 1px solid var(--brand-line);
  border-radius: var(--radius); padding: 22px 24px; }
.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--brand-muted); font-size: 15.5px; }

.feature { display: grid; gap: 34px; align-items: center; margin-top: 44px;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.feature figure { margin: 0; border: 1px solid var(--brand-line); border-radius: var(--radius); overflow: hidden; }
.feature figcaption { padding: 10px 14px; font-size: 13.5px; color: var(--brand-muted);
  background: var(--brand-surface); border-top: 1px solid var(--brand-line); }
.feature h3 { font-size: 22px; margin: 0 0 10px; }
.feature p { color: var(--brand-muted); margin: 0 0 10px; }

.phones { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; margin-top: 34px; }
.phones figure { margin: 0; max-width: 250px; }
.phones img { border: 1px solid var(--brand-line); border-radius: 14px; }
.phones figcaption { text-align: center; font-size: 13.5px; color: var(--brand-muted); padding-top: 10px; }

.note { background: var(--brand-surface); border-left: 3px solid var(--brand-warm);
  border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; margin: 26px 0; }
.note strong { color: var(--brand-warm); }
.note p { margin: 0; color: var(--brand-muted); }
.note.warn { border-left-color: var(--brand-live); }
.note.warn strong { color: #e07a6a; }

/* -- docs ------------------------------------------------------------ */
.doc-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 44px; padding: 44px 0; }
.doc-nav { position: sticky; top: 86px; align-self: start; max-height: calc(100vh - 110px); overflow-y: auto; }
.doc-nav h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--brand-muted); margin: 0 0 10px; }
.doc-nav ul { list-style: none; margin: 0 0 24px; padding: 0; }
.doc-nav li { margin: 0 0 3px; }
.doc-nav a { display: block; padding: 5px 10px; border-radius: 5px; font-size: 15px; color: var(--brand-muted); }
.doc-nav a:hover { background: var(--brand-surface); color: var(--brand-text); text-decoration: none; }
.doc-nav a[aria-current="page"] { background: var(--brand-raised); color: var(--brand-text); }
/* The header is sticky, so a heading jumped to from the contents would land
   underneath it. Reserve its height above every heading that can be a target. */
.doc-body :is(h1, h2, h3, h4)[id] { scroll-margin-top: 92px; }
/* Sits under the hero lede, so it needs air above it and a size that reads
   as secondary rather than as a second first sentence. */
.hero .lede-sub { max-width: 52em; margin: 18px 0 0; color: var(--brand-muted);
  font-size: clamp(15px, 1.4vw, 16.5px); opacity: 0.85; }
.note-plain { color: var(--brand-muted); margin-top: 22px; }
.doc-toc { margin-bottom: 26px; }
.doc-toc a { font-size: 14px; padding: 3px 10px; }


.doc-body { min-width: 0; }
.doc-body h1 { font-size: 34px; margin: 0 0 8px; letter-spacing: -0.02em; }
.doc-body h2 { font-size: 25px; margin: 44px 0 12px; padding-top: 14px; border-top: 1px solid var(--brand-line); }
.doc-body h3 { font-size: 19px; margin: 30px 0 8px; }
.doc-body h4 { font-size: 16.5px; margin: 22px 0 6px; }
.doc-body p, .doc-body li { color: #cfcfd8; }
.doc-body a code { color: var(--brand-accent); }
.doc-body code { background: var(--brand-raised); padding: 2px 6px; border-radius: 4px; font-size: 0.88em; }
.doc-body pre { background: var(--brand-surface); border: 1px solid var(--brand-line);
  border-radius: var(--radius); padding: 16px 18px; overflow-x: auto; font-size: 14.5px; line-height: 1.55; }
.doc-body pre code { background: none; padding: 0; }
.doc-body blockquote { margin: 22px 0; padding: 4px 20px; border-left: 3px solid var(--brand-accent-dk);
  color: var(--brand-muted); }
.doc-body table { border-collapse: collapse; width: 100%; margin: 22px 0; font-size: 15px; display: block; overflow-x: auto; }
.doc-body th, .doc-body td { border: 1px solid var(--brand-line); padding: 8px 12px; text-align: left; vertical-align: top; }
.doc-body th { background: var(--brand-surface); color: var(--brand-warm); font-weight: 600; }
.doc-body hr { border: none; border-top: 1px solid var(--brand-line); margin: 36px 0; }
.doc-body img { border: 1px solid var(--brand-line); border-radius: var(--radius); margin: 22px 0; }
.doc-body .task { list-style: none; margin-left: -22px; }
.doc-body .task::before { content: "☐"; color: var(--brand-muted); padding-right: 9px; }
.doc-meta { color: var(--brand-muted); font-size: 14.5px; margin: 0 0 30px; padding-bottom: 18px;
  border-bottom: 1px solid var(--brand-line); }

/* -- downloads ------------------------------------------------------- */
.dl { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); margin-top: 34px; }
.dl-card { background: var(--brand-surface); border: 1px solid var(--brand-line);
  border-radius: var(--radius); padding: 26px; display: flex; flex-direction: column; }
.dl-card h3 { margin: 0 0 6px; font-size: 20px; }
.dl-card .meta { color: var(--brand-muted); font-size: 14px; margin: 0 0 16px; }
.dl-card p { color: var(--brand-muted); font-size: 15.5px; margin: 0 0 20px; }
.dl-card .btn { margin-top: auto; text-align: center; }

/* -- footer ---------------------------------------------------------- */
.site-foot { padding: 46px 0; color: var(--brand-muted); font-size: 14.5px; }
.site-foot .cols { display: grid; gap: 30px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.site-foot h4 { color: var(--brand-text); font-size: 15px; margin: 0 0 10px; }
.site-foot ul { list-style: none; margin: 0; padding: 0; }
.site-foot li { margin-bottom: 5px; }
.site-foot .legal { margin-top: 34px; padding-top: 22px; border-top: 1px solid var(--brand-line); }

/* -- small screens --------------------------------------------------- */
@media (max-width: 860px) {
  .doc-layout { grid-template-columns: 1fr; gap: 24px; }
  .doc-nav { position: static; max-height: none; border-bottom: 1px solid var(--brand-line); padding-bottom: 14px; }
  .nav-toggle { display: block; }
  .site-nav { display: none; width: 100%; flex-direction: column; align-items: flex-start; gap: 4px;
    padding: 10px 0 16px; }
  .site-head .wrap { flex-wrap: wrap; height: auto; padding-top: 12px; padding-bottom: 4px; }
  .site-nav.open { display: flex; }
  .hero { padding: 48px 0 30px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}