/* =====================================================================
 * Interdoc Shipping Guide — shared stylesheet
 * Brand palette mirrors catalog/view/theme/default/stylesheet/header.css
 *   Primary blue       #1e6f9f
 *   Darker blue        #155578
 *   Gold accent        #eac055 / #d4af37 / #b8941f
 *   Cream surface      #fefce8
 * Mobile-first responsive; print-ready; no JS dependencies for layout.
 * ===================================================================== */

:root {
  --brand-blue: #1e6f9f;
  --brand-blue-dark: #155578;
  --brand-blue-darker: #0f3f5a;
  --gold: #eac055;
  --gold-dark: #d4af37;
  --gold-darker: #b8941f;
  --cream: #fefce8;
  --ink: #1a2734;
  --ink-soft: #4a5a6a;
  --line: #e2e8f0;
  --surface: #ffffff;
  --surface-soft: #f7fafc;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --warn-border: #f59e0b;
  --danger: #b91c1c;
  --danger-bg: #fee2e2;
  --danger-border: #ef4444;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --ok-border: #22c55e;
  --info-bg: #dbeafe;
  --info-border: #60a5fa;
  --shadow-sm: 0 1px 2px rgba(15,63,90,.08);
  --shadow: 0 4px 12px rgba(15,63,90,.10);
  --shadow-lg: 0 10px 30px rgba(15,63,90,.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 140px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--surface-soft);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-size-adjust: 100%;
}

a { color: var(--brand-blue); text-decoration: none; }
a:hover { color: var(--brand-blue-dark); text-decoration: underline; }

/* ---------- Brand bar ---------- */
.brand-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: white;
  box-shadow: var(--shadow);
}
.brand-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: white;
}
.brand-mark:hover { text-decoration: none; }
.brand-mark-logo {
  height: 44px;
  width: auto;
  display: block;
  border-radius: 6px;
  background: #ffffff;
  padding: 4px 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  flex-shrink: 0;
}
.brand-mark-text { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; line-height: 1.1; }
.brand-mark-text small { display: block; font-size: 10px; font-weight: 400; opacity: 0.85; letter-spacing: 1px; text-transform: uppercase; margin-top: 2px; }
.brand-actions { display: flex; gap: 8px; align-items: center; }
.brand-actions a {
  color: white;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  transition: all .15s ease;
}
.brand-actions a:hover { background: rgba(255,255,255,0.22); text-decoration: none; }
.brand-actions a.gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--brand-blue-dark);
  border-color: transparent;
}
.brand-actions a.gold:hover { background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold-darker) 100%); }

/* ---------- Section / guide nav ---------- */
.guide-nav {
  position: sticky;
  top: 60px;
  z-index: 90;
  background: white;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(15,63,90,0.04);
}
.guide-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.guide-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--brand-blue-dark);
  white-space: nowrap;
  padding: 12px 0;
  border-right: 1px solid var(--line);
  padding-right: 16px;
  flex-shrink: 0;
}
.guide-label::before { content: '📖 '; }
.guide-nav-links {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding: 8px 0;
}
.guide-nav-links::-webkit-scrollbar { height: 4px; }
.guide-nav-links::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }
.guide-nav-links a {
  font-size: 13px;
  color: var(--ink-soft);
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  font-weight: 500;
  transition: all .15s ease;
}
.guide-nav-links a:hover { background: var(--cream); color: var(--brand-blue-dark); text-decoration: none; }
.guide-nav-links a.current {
  background: var(--brand-blue);
  color: white;
  font-weight: 600;
}

/* ---------- Page hero ---------- */
.page-hero {
  background:
    radial-gradient(ellipse at top right, rgba(234,192,85,0.10), transparent 60%),
    linear-gradient(180deg, white 0%, var(--surface-soft) 100%);
  border-bottom: 1px solid var(--line);
  padding: 48px 20px 40px;
}
.page-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
}
.crumb {
  font-size: 12px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.crumb a { color: var(--ink-soft); }
.crumb a:hover { color: var(--brand-blue); }
.crumb .sep { margin: 0 8px; opacity: 0.5; }
.page-hero h1 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  margin: 0 0 12px;
  color: var(--brand-blue-dark);
  letter-spacing: -0.5px;
  line-height: 1.15;
}
.page-hero .lede {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--ink-soft);
  max-width: 780px;
  margin: 0;
}
.page-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
  font-size: 13px;
}
.page-hero-stats span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-soft);
}
.page-hero-stats strong { color: var(--brand-blue-dark); font-weight: 700; }

/* Variant colours per page (hero accent only) */
.hero-gold { border-bottom-color: var(--gold); }
.hero-gold h1 { color: var(--gold-darker); }
.hero-danger { border-bottom-color: var(--danger-border); }
.hero-danger h1 { color: var(--danger); }

/* ---------- Main / blocks ---------- */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}
section.block {
  background: white;
  border-radius: 14px;
  padding: 28px 32px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
section.block + section.block { margin-top: 0; }

h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--brand-blue-dark);
  margin: 0 0 14px;
  letter-spacing: -0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}
h2 .h2-icon {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: white;
  font-size: 18px;
  flex-shrink: 0;
}
h2 .h2-icon.gold { background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%); color: var(--brand-blue-dark); }
h2 .h2-icon.danger { background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%); }

h3 {
  color: var(--brand-blue-dark);
  font-size: 17px;
  font-weight: 700;
  margin: 22px 0 10px;
  letter-spacing: -0.2px;
}
h4 {
  color: var(--brand-blue);
  font-size: 13px;
  font-weight: 700;
  margin: 16px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
p { margin: 0 0 12px; }
ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }
code {
  font-family: "SF Mono", Menlo, Consolas, monospace;
  background: var(--cream);
  border: 1px solid #f1e4a2;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 13px;
  color: var(--gold-darker);
}

/* ---------- Callouts ---------- */
.callout {
  border-radius: 10px;
  padding: 14px 18px;
  margin: 14px 0;
  border-left: 4px solid;
  display: flex;
  gap: 12px;
  font-size: 14px;
  line-height: 1.55;
}
.callout-icon { font-size: 18px; flex-shrink: 0; line-height: 1.3; }
.callout-body { flex: 1; }
.callout-body strong { color: var(--ink); }
.callout-body p:last-child { margin-bottom: 0; }
.callout.info   { background: var(--info-bg); border-color: var(--info-border); color: var(--brand-blue-dark); }
.callout.warn   { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn); }
.callout.danger { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger); }
.callout.ok     { background: var(--ok-bg); border-color: var(--ok-border); color: var(--ok); }
.callout.gold   { background: rgba(234,192,85,0.15); border-color: var(--gold); color: var(--gold-darker); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 14px 0; border-radius: 10px; border: 1px solid var(--line); }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: white;
}
table.data th {
  background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
  color: white;
  text-align: left;
  padding: 11px 14px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
table.data td {
  padding: 11px 14px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}
table.data tbody tr:nth-child(odd) td { background: var(--cream); }
table.data tbody tr:hover td { background: rgba(30,111,159,0.05); }

.pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--info-bg);
  color: var(--brand-blue-dark);
  white-space: nowrap;
}
.pill.gold { background: rgba(234,192,85,0.25); color: var(--gold-darker); }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.danger { background: var(--danger-bg); color: var(--danger); }

/* ---------- Card grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin: 16px 0;
}
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  transition: all .2s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: var(--brand-blue);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.card-meta {
  font-size: 11px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 6px;
}
.card h3 {
  margin: 0 0 6px;
  font-size: 16px;
}
.card .body, .card p { font-size: 13px; color: var(--ink-soft); margin: 0 0 8px; }
.card .body strong, .card p strong { color: var(--ink); }
.card .link {
  margin-top: auto;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-blue);
}
.card .badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--gold);
  color: var(--brand-blue-dark);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}

/* Coloured card edge */
.card.warn { border-left: 4px solid var(--warn-border); }
.card.danger { border-left: 4px solid var(--danger-border); }
.card.ok { border-left: 4px solid var(--ok-border); }
.card.gold { border-left: 4px solid var(--gold); }
.card.info { border-left: 4px solid var(--brand-blue); }

/* ---------- Quick reference cards ---------- */
.qref {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin: 16px 0;
}
.qref-card {
  background: linear-gradient(135deg, var(--cream) 0%, white 100%);
  border: 1px solid var(--gold);
  border-radius: 12px;
  padding: 18px;
}
.qref-card h4 {
  color: var(--gold-darker);
  margin: 0 0 10px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.qref-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 13px; }
.qref-card dt { color: var(--ink-soft); font-weight: 500; }
.qref-card dd { margin: 0; color: var(--brand-blue-dark); font-weight: 700; }

/* ---------- Hub stats ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.stat-card {
  background: white;
  border-radius: 12px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--brand-blue);
  transition: transform .15s ease;
}
.stat-card.gold { border-top-color: var(--gold); }
.stat-card.danger { border-top-color: var(--danger); }
.stat-card.ok { border-top-color: var(--ok); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.stat-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--brand-blue-dark);
  letter-spacing: -0.5px;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-hint { font-size: 12px; color: var(--ink-soft); }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.tab-btn {
  background: none;
  border: none;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all .15s ease;
  font-family: inherit;
}
.tab-btn:hover { color: var(--brand-blue); }
.tab-btn.active {
  color: var(--brand-blue-dark);
  border-bottom-color: var(--gold);
}
.tab-panel { display: none; animation: fadeIn .25s ease; }
.tab-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Accordion ---------- */
.accordion details {
  background: white;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
  transition: all .2s ease;
}
.accordion details[open] {
  box-shadow: var(--shadow);
  border-color: var(--brand-blue);
}
.accordion summary {
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 600;
  color: var(--brand-blue-dark);
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
  font-size: 14px;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: '+';
  margin-left: auto;
  font-size: 22px;
  font-weight: 300;
  color: var(--brand-blue);
  transition: transform .2s ease;
  line-height: 1;
}
.accordion details[open] summary::after { transform: rotate(45deg); }
.accordion summary:hover { background: var(--cream); }
.accordion .accordion-body { padding: 0 18px 18px; font-size: 14px; color: var(--ink-soft); }
.accordion .accordion-body p:first-child { margin-top: 0; }

/* ---------- Calculator ---------- */
.calculator {
  background: linear-gradient(135deg, var(--brand-blue-dark) 0%, var(--brand-blue-darker) 100%);
  color: white;
  border-radius: 14px;
  padding: 28px;
  margin: 18px 0;
}
.calc-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 8px;
}
.calc-sub { font-size: 13px; opacity: 0.85; margin-bottom: 18px; }
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.calc-field label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 5px;
  color: var(--gold);
}
.calc-field input, .calc-field select {
  width: 100%;
  padding: 11px 12px;
  border: 2px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: white;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
}
.calc-field input::placeholder { color: rgba(255,255,255,0.5); }
.calc-field input:focus, .calc-field select:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255,255,255,0.15);
}
.calc-field select option { color: var(--ink); background: white; }
.calc-result {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}
.calc-result-item .lbl { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; opacity: 0.75; margin-bottom: 4px; }
.calc-result-item .val { font-size: 26px; font-weight: 800; color: white; letter-spacing: -0.5px; line-height: 1; }
.calc-result-item .val.gold { color: var(--gold); }
.calc-result-item .hint { font-size: 11px; opacity: 0.7; margin-top: 4px; }

/* ---------- Search & filters ---------- */
.search-box {
  position: relative;
  margin-bottom: 16px;
}
.search-box input {
  width: 100%;
  padding: 13px 16px 13px 42px;
  border: 2px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  background: white;
  font-family: inherit;
}
.search-box input:focus { outline: none; border-color: var(--brand-blue); }
.search-box::before {
  content: '🔍';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.5;
}
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.chip {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: white;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s ease;
  font-family: inherit;
  color: var(--ink-soft);
}
.chip:hover { border-color: var(--brand-blue); color: var(--brand-blue); }
.chip.active { background: var(--brand-blue); color: white; border-color: var(--brand-blue); }

.item-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px; }
.item {
  background: var(--danger-bg);
  border-left: 4px solid var(--danger-border);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
}
.item.warn { background: var(--warn-bg); border-color: var(--warn-border); }
.item-cat {
  display: inline-block;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--danger);
  font-weight: 700;
  margin-bottom: 3px;
}
.item.warn .item-cat { color: var(--warn); }
.item strong { color: var(--ink); }

/* ---------- DG class grid ---------- */
.dg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin: 14px 0;
}
.dg-class {
  background: white;
  border: 2px solid var(--line);
  border-radius: 10px;
  padding: 14px 14px 14px 22px;
  position: relative;
}
.dg-class::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  background: var(--bar-color, var(--brand-blue));
  width: 6px;
  border-radius: 10px 0 0 10px;
}
.dg-class-num {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ink-soft);
  margin-bottom: 3px;
}
.dg-class-title {
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  font-size: 14px;
}
.dg-class-eg {
  font-size: 12px;
  color: var(--ink-soft);
  font-style: italic;
}

/* ---------- Page navigation (prev/next + related) ---------- */
.page-nav {
  margin-top: 32px;
  padding: 24px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}
.page-nav h3 { margin-top: 0; }
.related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.related a {
  display: block;
  padding: 12px 14px;
  background: var(--cream);
  border-radius: 8px;
  text-decoration: none;
  color: var(--brand-blue-dark);
  font-weight: 600;
  font-size: 13px;
  border: 1px solid transparent;
  transition: all .15s ease;
}
.related a:hover {
  border-color: var(--gold);
  background: white;
  text-decoration: none;
}
.related a .arrow { float: right; opacity: 0.5; }

.prev-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.prev-next a {
  display: block;
  padding: 14px 16px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  transition: all .15s ease;
}
.prev-next a:hover { border-color: var(--brand-blue); box-shadow: var(--shadow-sm); text-decoration: none; }
.prev-next .label { font-size: 10px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }
.prev-next .title { font-size: 14px; color: var(--brand-blue-dark); margin-top: 4px; }
.prev-next .next { text-align: right; }
.prev-next a.disabled { opacity: 0.4; pointer-events: none; }

/* ---------- Footer ---------- */
footer.brand-footer {
  background: linear-gradient(135deg, var(--brand-blue-dark) 0%, var(--brand-blue-darker) 100%);
  color: rgba(255,255,255,0.85);
  padding: 32px 20px 20px;
  margin-top: 32px;
}
.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 24px;
}
@media (max-width: 720px) { .footer-inner { grid-template-columns: 1fr; gap: 24px; } }
footer h4 { color: var(--gold); margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
footer p { margin: 0 0 6px; font-size: 13px; line-height: 1.55; }
footer a { color: white; text-decoration: none; border-bottom: 1px dotted rgba(255,255,255,0.3); }
footer a:hover { border-bottom-style: solid; color: var(--gold); }
.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.15);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  opacity: 0.7;
}

/* ---------- Contact strip ---------- */
.contact-strip {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  border-radius: 14px;
  padding: 28px;
  color: var(--brand-blue-dark);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin: 20px 0;
}
.contact-strip h4 { margin: 0 0 4px; color: var(--brand-blue-darker); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.contact-strip p { margin: 0; font-size: 16px; font-weight: 700; }
.contact-strip a { color: var(--brand-blue-darker); text-decoration: none; border-bottom: 1px dotted; }

/* ---------- Floating back-to-top ---------- */
.toc-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--brand-blue);
  color: white;
  border: none;
  font-size: 20px;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 50;
  display: grid;
  place-items: center;
  transition: all .2s ease;
  opacity: 0;
  pointer-events: none;
}
.toc-btn.visible { opacity: 1; pointer-events: auto; }
.toc-btn:hover { background: var(--brand-blue-dark); transform: scale(1.05); }

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .brand-bar-inner { padding: 10px 14px; }
  .brand-mark-text { font-size: 16px; }
  .brand-mark-text small { display: none; }
  .brand-actions a { padding: 6px 10px; font-size: 12px; }
  .guide-label { padding-right: 10px; font-size: 10px; }
  .guide-nav-inner { padding: 0 14px; gap: 8px; }
  main { padding: 20px 14px 48px; }
  section.block { padding: 20px 18px; border-radius: 10px; }
  .page-hero { padding: 32px 18px 28px; }
  .calc-result-item .val { font-size: 22px; }
  .prev-next { grid-template-columns: 1fr; }
  .prev-next .next { text-align: left; }
}

@media (max-width: 480px) {
  .brand-actions a:not(.gold) { display: none; }
  .toc-btn { bottom: 14px; right: 14px; width: 42px; height: 42px; font-size: 18px; }
  table.data { font-size: 13px; }
  table.data th, table.data td { padding: 8px 10px; }
}

/* ---------- Inline figures (placeholders → real WebPs later) ---------- */
.guide-figure {
  margin: 24px 0;
  text-align: center;
}
.guide-figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  background: #f4f6f8;
  border: 1px solid #e3e7eb;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.guide-figure figcaption {
  font-size: 13px;
  color: #6b7a8c;
  margin-top: 8px;
  font-style: italic;
  line-height: 1.45;
}
/* Visual marker so it's obvious during the launch QA pass that an
   image is still the logo placeholder and hasn't been replaced yet. */
.guide-figure[data-placeholder] img {
  opacity: 0.5;
  filter: grayscale(0.3);
}
.guide-figure[data-placeholder]::after {
  content: "placeholder — see IMAGES-NEEDED.md";
  display: inline-block;
  margin-top: 6px;
  padding: 3px 10px;
  background: #fff8e6;
  border: 1px solid #f3d68a;
  border-radius: 4px;
  font-size: 11px;
  color: #8a5e0a;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- Print ---------- */
@media print {
  .brand-bar, .guide-nav, footer.brand-footer, .calculator, .search-box, .filter-chips, .toc-btn, .page-nav { display: none !important; }
  section.block { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
  body { background: white; color: black; }
  .page-hero { padding: 20px 0; }
  a { color: black; text-decoration: underline; }
}