/* Cold Aisle Talent — single stylesheet. System fonts, no external requests. */

:root {
  --ink:      #14181d;   /* body text on paper: 15.6:1 */
  --ink-soft: #4a5460;   /* secondary text: 7.4:1 */
  --accent:   #2c5364;   /* cold blue-grey: 8.5:1 on paper */
  --accent-d: #1b3540;
  --rule:     #d9dee3;
  --paper:    #fbfcfc;
  --panel:    #f1f4f6;
  --measure:  680px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 24px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  z-index: 10;
}
.skip:focus { left: 0; }

/* ---------- header ---------- */

.site-head {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
}
.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--ink);
}
.glyph { width: 26px; height: 26px; flex: none; }
.glyph rect { fill: var(--rule); }
.glyph .aisle { fill: var(--accent); }
.wordmark {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.015em;
}

.site-head nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9375rem;
}
.site-head nav a:hover,
.site-head nav a:focus { color: var(--accent-d); text-decoration: underline; }

/* ---------- type ---------- */

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 0.6em;
  text-wrap: balance;
}

h1 { font-size: 1.9375rem; letter-spacing: -0.015em; }
h2 { font-size: 1.1875rem; margin-top: 0; }
h3 {
  font-size: 1rem;
  margin: 2em 0 0.5em;
  color: var(--accent-d);
}

p { margin: 0 0 1.05em; }
p:last-child { margin-bottom: 0; }

a { color: var(--accent-d); }
a:hover, a:focus { color: var(--accent); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- sections ---------- */

main.wrap { padding-top: 60px; padding-bottom: 8px; }

main > section { margin-bottom: 44px; }

.lede { margin-bottom: 52px; }
.lede .sub {
  font-size: 1.125rem;
  color: var(--ink-soft);
  margin-bottom: 1.2em;
  max-width: 34em;
}
.contact { font-size: 1.0625rem; }
.contact a { font-weight: 500; }

.note {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

/* lists */

ul.roles, ul.nots {
  list-style: none;
  margin: 0 0 1.05em;
  padding: 0;
}
ul.roles li, ul.nots li {
  position: relative;
  padding: 6px 0 6px 22px;
  border-bottom: 1px solid var(--rule);
}
ul.roles li:first-child, ul.nots li:first-child { border-top: 1px solid var(--rule); }
ul.roles li::before, ul.nots li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05em;
  width: 9px;
  height: 2px;
  background: var(--accent);
}

ol.steps {
  margin: 0 0 1.05em;
  padding-left: 1.35em;
}
ol.steps > li {
  margin-bottom: 1.1em;
  padding-left: 0.25em;
}
ol.steps > li::marker {
  color: var(--accent);
  font-weight: 600;
}
ol.steps > li > p { margin: 0.35em 0 0; }

/* callout */

.callout {
  background: var(--panel);
  border-left: 3px solid var(--accent);
  padding: 22px 24px;
  border-radius: 2px;
}
.callout h2 { margin-bottom: 0.5em; }

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

.site-foot {
  margin-top: 64px;
  border-top: 1px solid var(--rule);
  padding: 28px 0 56px;
  color: var(--ink-soft);
}
.site-foot p { margin: 0 0 0.5em; }
.site-foot .small { font-size: 0.875rem; }
.site-foot a { color: var(--accent-d); }

/* ---------- narrow ---------- */

@media (max-width: 480px) {
  body { font-size: 16px; }
  .wrap { padding: 0 20px; }
  h1 { font-size: 1.625rem; }
  main.wrap { padding-top: 44px; }
  .site-head .wrap { justify-content: flex-start; }
}
