/* The Shark Tunnel Guide — stn-field.css
   Editorial field journal. Namespace stn-*. Navy column, cream sheet, serif heads.
   System fonts only. Not millpond, not left-rail, not ochre pamphlet. */
:root {
  --stn-ink: #102028;
  --stn-mute: #4a5a62;
  --stn-paper: #f3efe6;
  --stn-sheet: #fbf8f1;
  --stn-navy: #0c2c38;
  --stn-navy-2: #163844;
  --stn-line: #d5cfc2;
  --stn-gold: #b0894a;
  --stn-focus: #1a5c6e;
  --stn-max: 1080px;
  --stn-type: "Palatino Linotype", Palatino, "Book Antiqua", "Iowan Old Style", Georgia, serif;
  --stn-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 18px; }
body.stn-root {
  margin: 0;
  background: var(--stn-paper);
  color: var(--stn-ink);
  font-family: var(--stn-sans);
  line-height: 1.62;
}
.stn-skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.stn-skip:focus {
  left: 12px;
  top: 12px;
  z-index: 40;
  background: #fff;
  padding: 8px 12px;
}
.stn-notice {
  margin: 0;
  padding: 10px 24px;
  background: var(--stn-navy);
  color: #e8e2d4;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-align: center;
  line-height: 1.45;
}
.stn-mast {
  background: var(--stn-navy-2);
  color: #f4efe4;
  border-bottom: 3px solid var(--stn-gold);
}
.stn-mast-inner {
  max-width: var(--stn-max);
  margin: 0 auto;
  padding: 22px 28px 0;
}
.stn-brand {
  display: flex;
  gap: 14px;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.stn-mark { display: block; flex-shrink: 0; }
.stn-brand-text { display: flex; flex-direction: column; gap: 2px; }
.stn-brand-name {
  font-family: var(--stn-type);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.stn-brand-sub {
  font-size: 0.78rem;
  color: #c9c0ae;
  font-weight: 400;
}
.stn-by {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: #b7c4c8;
}
.stn-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  margin-top: 16px;
  padding: 12px 0 14px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.stn-nav-a {
  color: #d8d0c0;
  text-decoration: none;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.stn-nav-a:hover { color: #fff; }
.stn-nav-on {
  color: #fff;
  border-bottom-color: var(--stn-gold);
}
.stn-main {
  max-width: var(--stn-max);
  margin: 0 auto;
  padding: 36px 28px 64px;
}
.stn-kicker {
  margin: 0 0 6px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stn-gold);
  font-weight: 700;
}
.stn-h1 {
  margin: 0 0 10px;
  font-family: var(--stn-type);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.stn-h2 {
  margin: 1.6em 0 0.45em;
  font-family: var(--stn-type);
  font-size: 1.35rem;
  font-weight: 700;
}
.stn-lede {
  font-size: 1.12rem;
  color: var(--stn-mute);
  margin: 0 0 1.2em;
  max-width: 42em;
}
.stn-meta {
  margin: 0 0 1.4em;
  font-size: 0.82rem;
  color: var(--stn-mute);
}
.stn-prose { max-width: 42em; }
.stn-prose p { margin: 0 0 1em; }
.stn-prose ul, .stn-prose ol { margin: 0 0 1.1em; padding-left: 1.2em; }
.stn-prose li { margin: 0 0 0.4em; }
.stn-prose a { color: var(--stn-focus); }
.stn-hero {
  margin: 0 0 1.6em;
}
.stn-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  object-fit: cover;
  border-radius: 2px;
}
.stn-fig {
  margin: 1.4em 0 1.8em;
  background: var(--stn-sheet);
  border: 1px solid var(--stn-line);
}
.stn-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.stn-fig figcaption {
  padding: 10px 14px 12px;
  font-size: 0.82rem;
  color: var(--stn-mute);
}
.stn-cite {
  display: block;
  margin-top: 4px;
  font-style: normal;
  font-size: 0.74rem;
  color: #6a736e;
}
.stn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin: 1.4em 0 1.8em;
}
@media (max-width: 720px) {
  .stn-grid { grid-template-columns: 1fr; }
  .stn-mast-inner, .stn-main, .stn-foot-inner { padding-left: 16px; padding-right: 16px; }
}
.stn-card {
  background: var(--stn-sheet);
  border: 1px solid var(--stn-line);
  padding: 18px 20px 8px;
}
.stn-card h2 { margin-top: 0; }
.stn-aside {
  background: var(--stn-sheet);
  border-left: 3px solid var(--stn-gold);
  padding: 14px 18px;
  margin: 1.4em 0;
  color: var(--stn-mute);
}
.stn-dl dt {
  font-family: var(--stn-type);
  font-weight: 700;
  margin: 1.1em 0 0.3em;
  font-size: 1.12rem;
}
.stn-dl dd { margin: 0 0 0.4em; max-width: 42em; }
.stn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin: 0 0 1.2em;
}
.stn-table th, .stn-table td {
  border: 1px solid var(--stn-line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.stn-table th { background: var(--stn-navy); color: #f4efe4; font-weight: 600; }
.stn-sign {
  margin: 2em 0 0;
  font-size: 0.85rem;
  color: var(--stn-mute);
  font-style: italic;
}
.stn-mail {
  font-size: 1.05rem;
}
.stn-foot {
  background: var(--stn-navy);
  color: #d8d0c0;
  padding: 32px 0 40px;
}
.stn-foot-inner { max-width: var(--stn-max); margin: 0 auto; padding: 0 28px; }
.stn-foot-disc { margin: 0 0 16px; font-size: 0.82rem; line-height: 1.5; }
.stn-foot-nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 16px; }
.stn-foot-nav a { color: #e8e2d4; font-size: 0.82rem; }
.stn-copy { margin: 0; font-size: 0.78rem; color: #9aa8ad; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--stn-gold);
  outline-offset: 2px;
}