/* coldRANGE brand: shared by the static pages and the accounts app on getcoldrange.com (served at /assets/brand.css).
   Re-color the whole brand by editing the five --c-* values below; every other shade is derived. */

:root {
  --c-ground: #0E1113;   /* page background */
  --c-text:   #E7ECEA;   /* body text (16:1 on ground) */
  --c-muted:  #9AA5AD;   /* secondary text (7.5:1 on ground) */
  --c-accent: #3DDC84;   /* buttons, the green RANGE, highlights (10.6:1 on ground) */
  --c-alert:  #FFB4A8;   /* form errors (10:1 on ground) */
  --c-warn:   #F2C14E;   /* "hold / innocent" yellow in the drill demo (11:1 on ground) */

  --surface:   color-mix(in srgb, var(--c-ground) 93%, var(--c-text));  /* raised panels */
  --surface-2: color-mix(in srgb, var(--c-ground) 86%, var(--c-text));
  --line:      color-mix(in srgb, var(--c-ground) 78%, var(--c-text));  /* borders, rules */
  --accent-ink:   var(--c-ground);                                       /* text on accent: dark, not white */
  --accent-hover: color-mix(in srgb, var(--c-accent) 78%, var(--c-text));
  --accent-soft:  color-mix(in srgb, var(--c-accent) 14%, var(--c-ground));
  --alert-soft:   color-mix(in srgb, var(--c-alert) 12%, var(--c-ground));

  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --body: 'Barlow', system-ui, sans-serif;
  --radius: 4px;
  color-scheme: dark;
}

@font-face { font-family: 'Barlow'; font-weight: 400; font-style: normal; font-display: swap; src: url(fonts/barlow-400.woff2) format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 500; font-style: normal; font-display: swap; src: url(fonts/barlow-500.woff2) format('woff2'); }
@font-face { font-family: 'Barlow'; font-weight: 600; font-style: normal; font-display: swap; src: url(fonts/barlow-600.woff2) format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 500; font-style: normal; font-display: swap; src: url(fonts/barlow-condensed-500.woff2) format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 600; font-style: normal; font-display: swap; src: url(fonts/barlow-condensed-600.woff2) format('woff2'); }
@font-face { font-family: 'Barlow Condensed'; font-weight: 700; font-style: normal; font-display: swap; src: url(fonts/barlow-condensed-700.woff2) format('woff2'); }

/* ---- base ---- */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { background: var(--c-ground); color: var(--c-text); font: 400 1.0625rem/1.6 var(--body); overflow-x: hidden; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--c-accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 3px; border-radius: 2px; }
.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---- header and wordmark ---- */
.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; }
.brand { font: 700 1.6rem/1 var(--display); letter-spacing: 0.01em; text-decoration: none; color: var(--c-text); white-space: nowrap; }
.brand:hover { color: var(--c-text); }
.brand span { font-weight: 500; }
.brand b { font-weight: 700; color: var(--c-accent); }
.top nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 22px; font-size: 0.95rem; }
.top nav a { text-decoration: none; color: var(--c-muted); }
.top nav a:hover, .top nav a[aria-current] { color: var(--c-text); }
.top nav .nav-form { display: inline; }
.linklike { background: none; border: 0; padding: 0; font: inherit; color: var(--c-muted); cursor: pointer; }
.linklike:hover { color: var(--c-text); text-decoration: underline; }

/* ---- buttons ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px;
       border: 1.5px solid var(--c-accent); border-radius: var(--radius); background: var(--c-accent); color: var(--accent-ink);
       font: 600 1.15rem/1 var(--display); letter-spacing: 0.02em; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-ink); }
.btn.ghost { background: transparent; color: var(--c-text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--c-accent); color: var(--c-accent); }
.btn.danger { background: transparent; color: var(--c-alert); border-color: var(--c-alert); }
.btn.danger:hover { background: var(--alert-soft); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---- footer ---- */
.foot { border-top: 1px solid var(--line); padding: 28px 0 44px; display: flex; flex-wrap: wrap; gap: 12px 28px;
        justify-content: space-between; font-size: 0.92rem; color: var(--c-muted); }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.foot a { color: var(--c-muted); }
.foot a:hover { color: var(--c-text); }

/* ---- reading pages (start, hub, privacy, terms) ---- */
.page { max-width: 46rem; padding: 24px 0 72px; }
.page h1 { font: 700 clamp(2.4rem, 6vw, 3.6rem)/1 var(--display); }
.page .lede { margin-top: 16px; font-size: 1.15rem; color: var(--c-muted); }
.page h2 { margin-top: 48px; font: 700 clamp(1.7rem, 3.6vw, 2.2rem)/1.05 var(--display); }
.page h3 { margin-top: 28px; font: 700 1.35rem/1.15 var(--display); }
.page p, .page ul, .page ol, .page table { margin-top: 14px; }
.page ul, .page ol { padding-left: 1.3em; }
.page li + li { margin-top: 6px; }
.page strong { color: var(--c-text); font-weight: 600; }
.page code { font: 500 0.95em/1 ui-monospace, Consolas, monospace; background: var(--surface-2); padding: 2px 6px; border-radius: 3px; }
.note { margin-top: 20px; padding: 14px 18px; border: 1px solid var(--line); border-left: 3px solid var(--c-accent); border-radius: var(--radius); background: var(--surface); }
.note.draft { border-left-color: var(--c-alert); }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; color: var(--c-text); background: var(--surface); }
td { color: var(--c-muted); }
td:first-child { color: var(--c-text); font-weight: 500; }

/* ---- forms (accounts app) ---- */
.card { width: min(100%, 30rem); margin: 24px auto 72px; padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.card.wide { width: min(100%, 44rem); }
.card h1 { font: 700 2.2rem/1.05 var(--display); }
.card .sub { margin-top: 8px; color: var(--c-muted); }
.card h2 { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line); font: 700 1.5rem/1.1 var(--display); }
form .field { margin-top: 20px; }
form label { display: block; font-weight: 600; margin-bottom: 6px; }
form .hint { margin-top: 6px; font-size: 0.9rem; color: var(--c-muted); }
form input[type=email], form input[type=password], form input[type=text] {
  width: 100%; min-height: 48px; padding: 12px 14px; font: inherit; color: var(--c-text);
  background: var(--c-ground); border: 1.5px solid var(--line); border-radius: var(--radius); }
form input:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 1px; border-color: var(--c-accent); }
form input[aria-invalid=true] { border-color: var(--c-alert); }
form .error { margin-top: 6px; font-size: 0.92rem; font-weight: 500; color: var(--c-alert); }
form .btn { margin-top: 24px; width: 100%; }
.card .alt { margin-top: 20px; font-size: 0.95rem; color: var(--c-muted); }
.card .actions, .page .actions { margin-top: 20px; }

/* ---- messages ---- */
.flash { margin-top: 16px; padding: 12px 16px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface-2); }
.flash.success { border-color: var(--c-accent); background: var(--accent-soft); }
.flash.error { border-color: var(--c-alert); background: var(--alert-soft); }
.banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px;
          padding: 12px 16px; border: 1px solid var(--c-accent); border-radius: var(--radius); background: var(--accent-soft); }
.banner form { margin: 0; }
.banner .btn { margin: 0; width: auto; min-height: 40px; padding: 8px 16px; font-size: 1.05rem; }

@media (max-width: 480px) {
  .card { padding: 22px 18px; }
  .top nav .hide-sm { display: none; }
}