/* BullionSpread: navy, white and gray only. No blue/green or teal. */
:root {
  --navy: #0c2340;
  --navy-mid: #16355c;
  --navy-soft: #e8eef5;
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #0c2340;
  --muted: #5c6770;
  --line: #d8dee6;
  --line-strong: #b8c0cc;
  --wash: #eef1f5;
  --accent: var(--navy);
  --accent-soft: var(--navy-soft);
  --font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--navy-mid); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--navy); }
img { max-width: 100%; }

.wrap { width: auto; max-width: none; margin-inline: clamp(16px, 2.5vw, 32px); }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}
.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.logo span { color: var(--navy); font-weight: 600; }
.nav-links {
  display: flex;
  gap: 1.15rem;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.92rem;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--navy);
  font-weight: 600;
}

/* Hero */
.hero {
  padding: 2.5rem 0 1.5rem;
}
.hero h1 {
  font-size: clamp(1.7rem, 3.8vw, 2.2rem);
  line-height: 1.22;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
  max-width: 18ch;
  color: var(--navy);
  font-weight: 700;
}
.hero p.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 1.25rem;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--navy-soft);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.badge.warn {
  background: var(--wash);
  color: var(--muted);
  border-color: var(--line-strong);
  font-weight: 600;
}

/* Spot cards */
.spot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0 0.5rem;
}
.spot-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.spot-card .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin: 0 0 0.25rem;
  font-weight: 600;
}
.spot-card .price {
  text-align: right;
  font-size: 1.5rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--navy);
}
.spot-card.gold .price,
.spot-card.silver .price { color: var(--navy); }
.spot-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.5rem 0 0;
}

/* Sections */
section { padding: 1.75rem 0; }
section h2 {
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-weight: 700;
}
.section-intro {
  color: var(--muted);
  margin: 0 0 1.25rem;
  max-width: 40rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.filter-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
}
.filter-btn:hover {
  border-color: var(--line-strong);
  color: var(--navy);
}
.filter-btn.active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

/* Table */
.table-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
th, td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  background: var(--wash);
  font-weight: 600;
  white-space: nowrap;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfc; }
.muted { color: var(--muted); font-size: 0.85rem; }
.note-cell { color: var(--muted); font-size: 0.8rem; max-width: 12rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
  background: var(--navy);
  color: #fff;
}
.btn:hover { background: var(--navy-mid); }
.btn.secondary {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn.secondary:hover { background: var(--wash); }

/* Newsletter */
.newsletter {
  background: var(--navy);
  color: #fff;
  border-radius: calc(var(--radius) + 2px);
  padding: 1.75rem;
  margin: 0.5rem 0 1rem;
  border: 1px solid var(--navy);
}
.newsletter h2 { color: #fff; margin: 0 0 0.4rem; font-weight: 700; }
.newsletter p { color: #c5ced9; margin: 0 0 1rem; max-width: 36rem; }
.signup-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.signup-row input[type="email"] {
  flex: 1 1 220px;
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #fff;
  color: var(--navy);
}
.signup-row .btn {
  background: #fff;
  color: var(--navy);
}
.signup-row .btn:hover { background: var(--navy-soft); }
.signup-note {
  font-size: 0.8rem;
  color: #a8b4c2;
  margin: 0.75rem 0 0;
}
.signup-msg {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #e8eef5;
}

/* About page */
.prose { max-width: 40rem; }
.prose h1 {
  font-size: 1.85rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  color: var(--navy);
}
.prose h2 { margin-top: 1.75rem; color: var(--navy); }
.prose p, .prose li { color: var(--muted); }
.prose ul { padding-left: 1.2rem; }
.callout {
  background: var(--navy-soft);
  border-left: 4px solid var(--navy);
  padding: 0.9rem 1rem;
  border-radius: 0 8px 8px 0;
  margin: 1.25rem 0;
  color: var(--navy-mid);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.5rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--navy); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  border: 0;
}

/* Ensure the [hidden] attribute wins over component display rules (e.g. .badge) */
[hidden] { display: none !important; }
/* Newsletter (Kit) states — navy/white/gray only */
.signup-note a { color: #e8eef5; }
.signup-msg a { color: #fff; }
.signup-msg[data-kind="ok"] { color: #fff; }
.signup-msg[data-kind="error"] { color: #f4f5f7; font-weight: 600; text-decoration: underline; text-decoration-color: #a8b4c2; text-underline-offset: 3px; }
.signup-msg:empty { display: none; }
.signup-row .btn:disabled { opacity: 0.7; cursor: progress; }
.signup-row input[type="email"]:focus-visible, .signup-row .btn:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.product-newsletter { padding-top: 0.5rem; }

/* ---------- BullionSpread market ---------- */
/* Fluid layout: full window width with modest side padding; only running text is capped for readability. */
.hero p.lead, .section-intro, .stamp, .route, .newsletter p, .prose { max-width: 70ch; }
.hero h1 { max-width: 28ch; }
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.origin { font-size: 1.15rem; line-height: 1; text-align: center; width: 2.75rem; }
.metal-tabs { display: flex; gap: 0.5rem; margin: 0 0 1rem; }
.metal-tabs a { text-decoration: none; }
.legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.5rem 1.5rem; margin: 0 0 1.25rem; font-size: 0.86rem; color: var(--muted); }
.legend strong { color: var(--navy); }
.controls { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; align-items: flex-end; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 0.85rem 1rem; margin: 0 0 1.25rem; box-shadow: var(--shadow); }
.controls label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.75rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.controls select { font: inherit; font-size: 0.9rem; text-transform: none; letter-spacing: 0; color: var(--ink); padding: 0.45rem 0.6rem; border: 1px solid var(--line); border-radius: 8px; background: #fff; min-width: 10rem; max-width: 100%; }
.controls label.check { flex-direction: row; align-items: center; gap: 0.4rem; text-transform: none; letter-spacing: 0; font-size: 0.9rem; color: var(--ink); padding-bottom: 0.45rem; }
.controls .reset { padding: 0.45rem 0.8rem; font-size: 0.85rem; }
.controls .count { margin-left: auto; font-size: 0.85rem; color: var(--muted); padding-bottom: 0.45rem; }
.group { margin: 0 0 1.75rem; scroll-margin-top: 4.5rem; }
.group h2 { font-size: 1.15rem; margin: 0 0 0.6rem; }

/* Fluid tables: always 100% wide, never scroll sideways. Product names and dealer sub-lines wrap. */
.table-wrap { overflow: visible; }
table.market, table.dealers, .home-grid table { width: 100%; min-width: 0; table-layout: auto; }
table.market th, table.market td { padding: 0.65rem 0.6rem; }
table.market th { white-space: normal; }
table.market td.pname { overflow-wrap: anywhere; min-width: 7rem; }
table.market th.num .dealer-sub { white-space: nowrap; }
table.market tbody.prod > tr.sum { cursor: pointer; }
table.market tbody.prod > tr.sum:hover td { background: #f7f8fa; }
table.market tbody.prod.open > tr.sum td { background: var(--navy-soft); border-bottom-color: var(--navy-soft); }
.toggle { border: 1px solid var(--line); background: #fff; color: var(--navy); border-radius: 6px; width: 1.7rem; height: 1.7rem; font: inherit; font-weight: 700; line-height: 1; cursor: pointer; }
.toggle:focus-visible { outline: 2px solid var(--navy); }
.dealer-sub { display: block; font-size: 0.78rem; color: var(--muted); font-weight: 400; white-space: normal; }
td.num .dealer-sub { text-align: right; }
.price { font-weight: 700; color: var(--navy); }
.flagnote { display: inline-block; font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.05rem 0.45rem; margin-left: 0.35rem; vertical-align: 1px; white-space: normal; }
.w-inline, .min-inline { display: none; font-size: 0.78rem; color: var(--muted); font-weight: 400; }
tr.detail > td { padding: 0 0.6rem 1rem 2.6rem; background: var(--navy-soft); }
table.dealers { font-size: 0.86rem; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
table.dealers th { background: #fff; white-space: normal; }
table.dealers td, table.dealers th { padding: 0.5rem 0.7rem; }
table.dealers td.dealer { overflow-wrap: anywhere; }
table.dealers tr.best-bid td.bidcell, table.dealers tr.low-ask td.askcell { font-weight: 700; color: var(--navy); }
.empty { color: var(--muted); font-style: italic; padding: 1rem; }
.summary-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 0.75rem; margin: 1rem 0; }
.summary-strip .spot-card .price { font-size: 1.35rem; }
.summary-strip .spot-card .sub { margin: 0.2rem 0 0; font-size: 0.8rem; color: var(--muted); text-align: right; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; font-size: 0.9rem; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
.home-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 1rem; }
.home-grid table { font-size: 0.86rem; }
.home-grid td:nth-child(2) { overflow-wrap: anywhere; }
.home-grid h2 a { text-decoration: none; color: var(--navy); }
.stamp { font-size: 0.8rem; color: var(--muted); }

/*
 * Responsive column priority. Market table columns:
 * 1 expand, 2 origin, 3 product, 4 weight, 5 best bid, 6 lowest ask, 7 spread $, 8 spread %, 9 bids/asks.
 * Always kept: origin, product, best bid, lowest ask, spread %.
 * Dealer detail table: 1 dealer, 2 bid, 3 ask, 4 spread $, 5 spread %, 6 min to sell.
 * Full dealer table (product page): 1 dealer, 2 bid, 3 ask, 4 card ask, 5 spread $, 6 spread %, 7 min, 8 shipping.
 */
@media (max-width: 1100px) {
  table.market > thead th:nth-child(9), table.market > tbody > tr.sum > td:nth-child(9) { display: none; }
  table.dealers.full th:nth-child(8), table.dealers.full td:nth-child(8) { display: none; }
}
@media (max-width: 900px) {
  table.market > thead th:nth-child(7), table.market > tbody > tr.sum > td:nth-child(7) { display: none; }
  table.dealers:not(.full) th:nth-child(6), table.dealers:not(.full) td:nth-child(6) { display: none; }
  table.dealers.full th:nth-child(4), table.dealers.full td:nth-child(4) { display: none; }
  table.dealers:not(.full) .min-inline { display: block; }
}
@media (max-width: 760px) {
  table.market > tbody > tr.sum .dealer-sub { display: none; } /* dealer names show when a row is expanded */
  table.market > thead th:nth-child(4), table.market > tbody > tr.sum > td:nth-child(4) { display: none; }
  table.market .w-inline { display: block; }
  table.dealers.full th:nth-child(7), table.dealers.full td:nth-child(7) { display: none; }
  table.dealers.full .min-inline { display: block; }
  .controls label { flex: 1 1 45%; }
  .controls select { min-width: 0; width: 100%; }
  .controls .count { margin-left: 0; }
}
@media (max-width: 600px) {
  table.market > thead th:nth-child(1), table.market > tbody > tr.sum > td:nth-child(1) { display: none; } /* the row itself expands */
  table.dealers:not(.full) th:nth-child(4), table.dealers:not(.full) td:nth-child(4) { display: none; }
  table.dealers.full th:nth-child(5), table.dealers.full td:nth-child(5) { display: none; }
  table.market { font-size: 0.8rem; }
  table.market th, table.market td { padding: 0.55rem 0.3rem; }
  table.market th { font-size: 0.62rem; letter-spacing: 0.02em; }
  table.market > thead .dealer-sub { font-size: 0.58rem; white-space: normal; }
  table.market td.pname { min-width: 0; }
  .origin { width: 1.6rem; font-size: 1rem; }
  .flagnote { display: block; width: fit-content; margin: 0.25rem 0 0; }
  tr.detail > td { padding: 0 0.2rem 0.75rem; }
  table.dealers { font-size: 0.78rem; }
  table.dealers td, table.dealers th { padding: 0.45rem 0.3rem; }
  .home-grid table { font-size: 0.78rem; }
  .home-grid th, .home-grid td { padding: 0.5rem 0.3rem; }
  .hero h1 { max-width: none; }
}
@media (max-width: 380px) {
  .wrap { margin-inline: 12px; }
  table.market { font-size: 0.74rem; }
  table.market th, table.market td { padding: 0.5rem 0.2rem; }
  table.market > thead .dealer-sub { display: none; }
  .origin { width: 1.3rem; font-size: 0.9rem; }
  table.dealers { font-size: 0.7rem; }
  table.dealers td, table.dealers th { padding: 0.4rem 0.2rem; }
  .home-grid .card { padding-inline: 0.6rem; }
  table.mini { font-size: 0.68rem; }
  table.mini th { letter-spacing: 0; }
  table.mini .origin { width: 1.2rem; }
  table.mini th, table.mini td { padding: 0.45rem 0.2rem; }
}

/* Home mini tables size to their card, not the window: fold weight under the name when the card is narrow. */
.home-grid .card { container-type: inline-size; min-width: 0; }
@container (max-width: 560px) {
  table.mini th:nth-child(3), table.mini td:nth-child(3) { display: none; }
  table.mini .w-inline { display: block; }
  table.mini th, table.mini td { padding: 0.5rem 0.35rem; }
  table.mini th { white-space: normal; }
}