/* Element Network — single stylesheet.
   No external resources are requested by this file. */

:root {
  --ink: #1d1b22;
  --ink-soft: #4a4653;
  --paper: #faf7f2;
  --surface: #ffffff;
  --surface-tint: #f1ede4;
  --primary: #14524b;
  --primary-dark: #0c3b35;
  --accent: #8f3350;
  --rule: #d9d2c6;
  --rule-strong: #b7ae9e;
  --radius: 4px;
  --measure: 68ch;
  --step: 8px;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-head: Georgia, "Iowan Old Style", "Times New Roman", serif;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  overflow-wrap: break-word;
}

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- links and focus ---------- */

a { color: var(--primary-dark); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent); }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary-dark);
  color: #fff;
  padding: 10px 16px;
  z-index: 50;
}
.skip:focus {
  left: 8px;
  top: 8px;
}

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

.site-head {
  background: var(--surface);
  border-bottom: 2px solid var(--primary);
}

.head-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--primary-dark);
  text-decoration: none;
  margin-right: auto;
}
.brand svg { display: block; }
.brand span small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.nav-toggle {
  display: none;
  font: inherit;
  font-size: 0.95rem;
  background: var(--surface-tint);
  color: var(--ink);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: 8px 14px;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  display: inline-block;
  padding: 4px 0;
  font-size: 0.93rem;
  text-decoration: none;
  color: var(--ink-soft);
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.site-nav a[aria-current="page"] {
  color: var(--primary-dark);
  font-weight: 600;
  border-bottom-color: var(--primary);
}

/* ---------- layout ---------- */

main { display: block; padding: 32px 0 56px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 48px;
  align-items: start;
}

article { min-width: 0; }
article > * { max-width: var(--measure); }
article > .full { max-width: none; }

/* ---------- typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--primary-dark);
  line-height: 1.22;
  margin: 0 0 12px;
}
h1 { font-size: 2.1rem; letter-spacing: -0.01em; }
h2 { font-size: 1.5rem; margin-top: 40px; }
h3 { font-size: 1.16rem; margin-top: 28px; }
h4 { font-size: 1.02rem; margin-top: 22px; }

p, ul, ol, dl, table, figure { margin: 0 0 18px; }

.lede {
  font-size: 1.12rem;
  color: var(--ink-soft);
}

.crumb {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

ul, ol { padding-left: 22px; }
li { margin-bottom: 8px; }

dl dt { font-weight: 700; color: var(--primary-dark); margin-top: 16px; }
dl dd { margin: 4px 0 0; }

/* ---------- boxes ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin: 0 0 26px;
}

.summary-card {
  border-left: 6px solid var(--primary);
  background: var(--surface);
}
.summary-card dl { margin-bottom: 0; }
.summary-card dt { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; }

.disclosure {
  background: #fdf6e8;
  border: 1px solid #d8c391;
  border-left: 6px solid #b8861b;
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 0 0 30px;
}
.disclosure h2, .disclosure h3 { margin-top: 0; color: #6d4f07; }
.disclosure p:last-child { margin-bottom: 0; }

.callout {
  background: var(--surface-tint);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 0 0 24px;
}
.callout p:last-child { margin-bottom: 0; }

.watch {
  background: #fbf1f3;
  border: 1px solid #e0bcc6;
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 0 0 24px;
}
.watch h3 { margin-top: 0; color: var(--accent); }
.watch p:last-child, .watch ul:last-child { margin-bottom: 0; }

.method {
  border: 1px dashed var(--rule-strong);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin: 0 0 24px;
  background: var(--surface);
}
.method h3 { margin-top: 0; }

/* ---------- affiliate link ---------- */

.aff-line {
  font-size: 0.95rem;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--primary-dark);
}
.btn:hover { background: var(--primary-dark); color: #fff; }
.btn:focus-visible { outline-offset: 3px; }

/* ---------- tables ---------- */

.table-scroll { overflow-x: auto; margin-bottom: 22px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
  background: var(--surface);
}
caption {
  text-align: left;
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding-bottom: 8px;
}
th, td {
  border: 1px solid var(--rule);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
thead th { background: var(--surface-tint); color: var(--primary-dark); }

/* ---------- entry index ---------- */

.entry-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 14px;
}
.entry-list li {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 0;
}
.entry-list a { font-family: var(--font-head); font-size: 1.08rem; text-decoration: none; }
.entry-list a:hover { text-decoration: underline; }
.entry-list p { margin: 6px 0 0; font-size: 0.96rem; color: var(--ink-soft); }

@media (min-width: 720px) {
  .entry-list { grid-template-columns: 1fr 1fr; }
}

/* ---------- accordion ---------- */

details {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 10px;
}
summary {
  cursor: pointer;
  padding: 14px 18px;
  font-weight: 600;
  color: var(--primary-dark);
  list-style-position: inside;
}
details[open] summary { border-bottom: 1px solid var(--rule); }
details .body { padding: 14px 18px 2px; }

/* ---------- sidebar ---------- */

.rail {
  position: sticky;
  top: 20px;
  font-size: 0.93rem;
}
.rail section {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 18px;
}
.rail h2 {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-body);
  margin: 0 0 10px;
  color: var(--ink-soft);
}
.rail ul { list-style: none; padding: 0; margin: 0; }
.rail li { margin-bottom: 8px; }
.rail a { text-decoration: none; }
.rail a:hover { text-decoration: underline; }
.rail dt { font-size: 0.95rem; margin-top: 12px; }
.rail dt:first-of-type { margin-top: 0; }
.rail dd { margin: 2px 0 0; color: var(--ink-soft); }

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

.site-foot {
  background: var(--surface);
  border-top: 2px solid var(--primary);
  padding: 30px 0 40px;
  font-size: 0.94rem;
}
.site-foot p { margin: 0 0 4px; }
.pub-name {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
}
.foot-nav { margin: 16px 0 14px; }
.foot-nav a { margin-right: 4px; }
.tm, .rev {
  color: var(--ink-soft);
  font-size: 0.88rem;
  max-width: 78ch;
}
.tm { margin-bottom: 10px; }

/* ---------- decorative mark ---------- */

.mark {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 0 0 24px;
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; gap: 28px; }
  .rail { position: static; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  h1 { font-size: 1.68rem; }
  h2 { font-size: 1.32rem; }
  .nav-toggle { display: inline-block; }
  .site-nav { display: none; width: 100%; }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--rule); margin: 0; }
  .site-nav a { display: block; padding: 11px 2px; }
  .card, .disclosure { padding: 18px; }
}