:root {
  --ink: #211a15;
  --ink-strong: #17110d;
  --aubergine: #211624;
  --aubergine-soft: #33233a;
  --warm-charcoal: #30271f;
  --ivory: #fffaf0;
  --muted: #d7c9b6;
  --gold: #d9a441;
  --gold-deep: #c38c2e;
  --gold-light: #f0cb79;
  --teal: #58af9d;
  --red: #e58c7f;
  --line: rgba(255, 231, 183, 0.14);
  --surface: #151019;
  --surface-raised: #251e29;
  --shadow: 0 12px 32px rgba(78, 43, 8, 0.14);
  --section-rule: linear-gradient(90deg, transparent, rgba(92, 58, 19, 0.2) 18%, rgba(92, 58, 19, 0.2) 82%, transparent);
  color-scheme: dark;
  font-family:
    "Segoe UI", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ivory);
  background:
    radial-gradient(ellipse 62% 92% at 0% 28%, rgba(255, 253, 231, 0.94), rgba(255, 238, 177, 0.5) 42%, transparent 74%),
    linear-gradient(90deg, #fff0bd 0%, #f2cf6b 38%, #d99a2b 70%, #b77512 100%);
  line-height: 1.5;
}

body::before {
  position: fixed;
  inset: -20% -10%;
  z-index: -3;
  content: "";
  background:
    linear-gradient(90deg, rgba(255, 253, 232, 0.56), rgba(255, 243, 194, 0.18) 38%, transparent 66%),
    linear-gradient(90deg, #fff5c8 0%, #f4d371 38%, #d99a2b 70%, #b77512 100%);
  background-size: 100% 100%;
  background-position: center;
  filter: saturate(1.05);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), transparent 72%);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
.market-strip:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

section[id],
footer[id] {
  scroll-margin-top: 24px;
}

button,
input,
select {
  font: inherit;
}

.gold-flow {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.42;
  mix-blend-mode: soft-light;
}

.page-shell {
  width: min(clamp(1180px, calc(31.25vw + 760px), 1360px), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
  background: var(--section-rule) center bottom / 100% 1px no-repeat;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink-strong);
  letter-spacing: 0;
}

.brand-mark {
  display: block;
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 3px 6px rgba(73, 38, 6, 0.14));
}

.brand strong {
  display: block;
  font-size: clamp(1.18rem, 1rem + 1vw, 1.72rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.brand small {
  display: block;
  margin-top: 4px;
  color: rgba(8, 7, 11, 0.68);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.025em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.6vw, 34px);
  color: rgba(8, 7, 11, 0.82);
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-links a {
  position: relative;
  padding: 12px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--ink-strong);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
}

.menu-toggle:focus-visible,
.nav-links a:focus-visible,
.site-footer a:focus-visible {
  outline: 2px solid var(--ink-strong);
  outline-offset: 4px;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(560px, 1.18fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  padding: clamp(32px, 4vh, 48px) 0 40px;
}

.hero-copy {
  max-width: 560px;
  color: var(--ink-strong);
  padding-top: clamp(48px, 8vh, 80px);
}

.eyebrow,
.panel-kicker {
  margin: 0 0 12px;
  color: #624113;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel-kicker {
  color: var(--gold-light);
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 10ch;
  margin-bottom: 24px;
  color: var(--ink-strong);
  font-size: clamp(3.7rem, 6.6vw, 6.2rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero-lede {
  max-width: 32ch;
  color: rgba(8, 7, 11, 0.76);
  font-size: clamp(1.05rem, 0.8rem + 0.5vw, 1.2rem);
  font-weight: 450;
  line-height: 1.65;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 6px;
  font-weight: 600;
  white-space: nowrap;
  transition: background 160ms ease, border-color 160ms ease;
}

.primary-link {
  color: var(--ivory);
  background: var(--surface);
  border: 1px solid var(--surface);
}

.secondary-link {
  color: var(--ink-strong);
  background: rgba(255, 250, 240, 0.24);
  border: 1px solid rgba(72, 42, 10, 0.3);
}

.primary-link:hover {
  background: var(--aubergine-soft);
}

.secondary-link:hover {
  background: rgba(255, 250, 240, 0.5);
  border-color: rgba(72, 42, 10, 0.5);
}

.primary-link:active,
.secondary-link:active,
.icon-button:active {
  transform: translateY(1px);
}

.price-terminal {
  position: relative;
  width: 100%;
  max-width: 750px;
  justify-self: end;
  overflow: hidden;
  padding: clamp(20px, 3vw, 34px);
  margin-top: 0;
  background:
    linear-gradient(145deg, rgba(33, 22, 36, 0.99), rgba(8, 7, 11, 0.98)),
    var(--aubergine);
  border: 1px solid rgba(255, 234, 184, 0.26);
  border-radius: 8px;
  box-shadow: 0 20px 48px rgba(33, 22, 36, 0.24);
}

.price-terminal::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 100% 0%, rgba(51, 35, 58, 0.42), transparent 24rem),
    linear-gradient(90deg, rgba(51, 35, 58, 0.22), transparent 48%);
}

.terminal-topline,
.terminal-foot {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.terminal-topline h2,
.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(1.65rem, 1.1rem + 1.4vw, 2.25rem);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
}

.section-note {
  margin: 0;
  color: #624113;
  font-size: 0.95rem;
}

.icon-button {
  display: grid;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--ivory);
  cursor: pointer;
  background: rgba(255, 248, 235, 0.075);
  border: 1px solid rgba(255, 235, 196, 0.16);
  border-radius: 6px;
  font-size: 1.25rem;
  transition: background 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  background: rgba(217, 164, 65, 0.16);
}

.icon-button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.featured-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 24px 0;
}

.featured-price,
.featured-skeleton {
  min-height: 126px;
  padding: 16px 12px;
  background: rgba(255, 250, 240, 0.045);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.featured-price {
  container-type: inline-size;
}

.featured-price .label {
  display: block;
  min-height: 1.5em;
  color: #e3d5c2;
  font-size: 0.85rem;
  font-weight: 500;
}

.featured-price strong {
  display: block;
  max-width: 100%;
  margin-top: 8px;
  font-size: clamp(0.95rem, 12cqi, 1.65rem);
  font-weight: 650;
  line-height: 1.2;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.featured-price small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.physical-market-notice {
  position: relative;
  margin: 0 0 18px;
  color: var(--gold-light);
  font-size: 0.85rem;
  line-height: 1.55;
}

.price-table-wrap {
  position: relative;
  overflow-x: auto;
  border-top: 1px solid rgba(255, 232, 178, 0.18);
}

.price-table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
}

.price-table th:first-child {
  width: 40%;
}

.price-table th:nth-child(2) {
  width: 38%;
}

.price-table th:last-child {
  width: 22%;
}

.price-table th {
  padding: 14px 12px;
  color: #d8c7ae;
  font-size: 0.78rem;
  font-weight: 500;
  text-align: right;
}

.price-table th:first-child {
  text-align: left;
}

.price-table td {
  padding: 17px 12px;
  border-top: 1px solid var(--line);
  text-align: right;
  vertical-align: middle;
}

.price-table td:first-child {
  text-align: left;
}

.product-name {
  display: block;
  color: var(--ivory);
  font-size: 0.98rem;
  font-weight: 600;
}

.product-desc {
  display: block;
  margin-top: 4px;
  color: #c3b5a8;
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.5;
}

.price-value {
  display: grid;
  gap: 5px;
  font-size: 1.025rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.price-quote {
  display: flex;
  align-items: baseline;
  justify-content: flex-end;
  gap: 8px;
}

.quote-label {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.quote-amount {
  white-space: nowrap;
}

.change {
  display: inline-flex;
  min-width: 72px;
  justify-content: flex-end;
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.table-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 48px;
  margin-top: 12px;
  padding: 12px;
  color: var(--gold-light);
  font-size: 0.9rem;
  font-weight: 650;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease;
}

.table-toggle:hover {
  background: rgba(217, 164, 65, 0.08);
  border-color: rgba(240, 203, 121, 0.4);
}

.table-toggle:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 3px;
}

.table-toggle-icon {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
}

.table-toggle[aria-expanded="true"] .table-toggle-icon {
  transform: translateY(2px) rotate(225deg);
}

.change.up,
.featured-price small.up {
  color: #86d89a;
}

.change.down,
.featured-price small.down {
  color: var(--red);
}

.terminal-foot {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.market-strip {
  overflow-x: auto;
  margin: 0 0 56px;
  color: var(--ivory);
  background: var(--surface);
  border: 1px solid rgba(255, 234, 184, 0.16);
  border-radius: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--gold-deep) var(--surface);
}

.strip-track {
  display: flex;
  width: max-content;
  padding: 16px 0;
}

.strip-track span {
  min-width: max-content;
  padding: 0 24px;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  border-right: 1px solid var(--line);
}

.tool-band,
.information-section {
  padding: 40px 0 64px;
}

.tool-band {
  color: var(--ink-strong);
}

.tool-band .section-heading,
.information-section .section-heading {
  margin-bottom: 24px;
}

.converter {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(220px, 0.9fr) minmax(220px, 1.2fr);
  gap: 24px;
  align-items: end;
  padding: 28px;
  color: var(--ivory);
  background: var(--surface);
  border: 1px solid rgba(255, 234, 184, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.converter label,
.converter-result {
  display: grid;
  min-width: 0;
  gap: 8px;
}

.converter label span,
.converter-result > span {
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.converter input,
.converter select {
  width: 100%;
  min-height: 52px;
  color: var(--ivory);
  background: var(--surface-raised);
  border: 1px solid rgba(255, 235, 196, 0.3);
  border-radius: 6px;
  outline: none;
  padding: 0 14px;
  font-size: 1rem;
  transition: border-color 160ms ease;
}

.converter input:hover,
.converter select:hover {
  border-color: rgba(240, 203, 121, 0.6);
}

.converter-result {
  container-type: inline-size;
}

.converter input:focus-visible,
.converter select:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
  border-color: var(--gold-light);
}

.converter output {
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 0 16px;
  color: var(--gold-light);
  font-size: clamp(0.875rem, 6.5cqi, 1.75rem);
  font-weight: 650;
  background: rgba(217, 164, 65, 0.08);
  border: 1px solid rgba(240, 203, 121, 0.3);
  border-radius: 6px;
  overflow-x: auto;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.market-information {
  color: var(--ink-strong);
  background: var(--section-rule) center top / 100% 1px no-repeat;
}

.information-section .section-heading {
  margin-bottom: 12px;
}

.information-intro {
  max-width: 65ch;
  margin-bottom: 28px;
  color: var(--ink-strong);
  font-size: 1rem;
  line-height: 1.65;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.summary-card,
.movers-panel,
.understanding-panel {
  min-width: 0;
  color: var(--ivory);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.summary-card {
  display: flex;
  flex-direction: column;
  padding: 24px 20px 20px;
  container-type: inline-size;
}

.summary-card h3,
.movers-column h3 {
  margin: 0 0 20px;
  font-size: 1.05rem;
  font-weight: 600;
}

.summary-quotes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 24px;
}

.summary-quotes > div {
  display: grid;
  gap: 4px;
}

.summary-quotes > div:only-child {
  grid-column: 1 / -1;
}

.summary-quotes dt,
.summary-meta,
.mover-price {
  color: var(--muted);
  font-size: 0.8rem;
}

.summary-quotes dd {
  margin: 0;
  font-size: clamp(1rem, 8cqi, 1.25rem);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.summary-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.summary-meta .change {
  min-width: 0;
  font-size: 0.8rem;
  font-weight: 500;
}

.movers-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 28px;
}

.movers-column {
  min-width: 0;
  padding-right: 28px;
}

.movers-column + .movers-column {
  padding-right: 0;
  padding-left: 28px;
  border-left: 1px solid var(--line);
}

.movers-column h3 {
  margin-bottom: 12px;
  color: var(--gold-light);
}

.movers-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.mover-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
}

.mover-row + .mover-row {
  border-top: 1px solid var(--line);
}

.mover-name,
.mover-price {
  display: block;
}

.mover-name {
  margin-bottom: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.mover-price strong {
  display: inline-block;
  color: var(--ivory);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.information-empty {
  margin: 0;
  padding: 20px 0;
  font-size: 0.95rem;
  line-height: 1.65;
}

.movers-list .information-empty {
  color: var(--muted);
}

.information-note {
  max-width: 80ch;
  margin: 14px 0 0;
  color: var(--ink-strong);
  font-size: 0.85rem;
  line-height: 1.6;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px 36px;
}

.guide-card {
  padding: 22px 0;
  border-top: 1px solid rgba(92, 58, 19, 0.22);
}

.guide-card h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.guide-card p {
  max-width: 50ch;
  margin: 0;
  color: var(--ink-strong);
  font-size: 0.95rem;
  line-height: 1.75;
}

.guide-more {
  margin-top: 12px;
}

.guide-more summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid rgba(92, 58, 19, 0.3);
  border-radius: 6px;
  background: rgba(255, 250, 240, 0.2);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: background 160ms ease;
}

.guide-more summary::-webkit-details-marker {
  display: none;
}

.guide-more summary:hover {
  background: rgba(255, 250, 240, 0.4);
}

.guide-more summary:focus-visible {
  outline: 2px solid var(--ink-strong);
  outline-offset: 4px;
}

.guide-hide-label,
.guide-more[open] .guide-show-label {
  display: none;
}

.guide-more[open] .guide-hide-label {
  display: inline;
}

.guide-more[open] .table-toggle-icon {
  transform: translateY(2px) rotate(225deg);
}

.guide-more[open] .guide-grid {
  margin-top: 28px;
}

.understanding-panel {
  padding: 32px;
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 40px;
  margin: 32px 0;
}

.concept-grid > div {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.concept-grid dt {
  margin-bottom: 10px;
  font-size: 1.05rem;
  font-weight: 600;
}

.concept-grid dd {
  max-width: 60ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.guide-disclaimer {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.6;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 32px 0 44px;
  color: var(--ink-strong);
  background: var(--section-rule) center top / 100% 1px no-repeat;
}

.footer-brand {
  color: var(--ink-strong);
}

.footer-brand small {
  color: rgba(8, 7, 11, 0.74);
}

.site-footer p {
  margin: 12px 0 0;
  color: rgba(8, 7, 11, 0.78);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  color: var(--ink-strong);
  font-size: 0.95rem;
  font-weight: 500;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-underline-offset: 5px;
}

.footer-links a:hover {
  text-decoration: underline;
}

.positive {
  color: #7ee092;
}

.negative {
  color: var(--red);
}

.featured-skeleton {
  overflow: hidden;
  position: relative;
}

@media (max-width: 980px) {
  .hero-section {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 22px;
  }

  .price-terminal {
    max-width: none;
  }

  .hero-copy {
    max-width: 680px;
    padding-top: 18px;
  }

  .converter {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  }

  .converter-result {
    grid-column: 1 / -1;
  }

  .summary-grid,
  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  body {
    min-width: 0;
  }

  .site-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0 16px;
    min-height: 84px;
    padding: 14px 4px;
  }

  .site-header .brand {
    gap: 10px;
    min-width: 0;
  }

  .site-header .brand-mark {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
  }

  .site-header .brand strong {
    font-size: clamp(1.12rem, 4.8vw, 1.4rem);
    white-space: nowrap;
  }

  .site-header .brand small {
    font-size: 0.75rem;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    min-height: 44px;
    padding: 10px 12px;
    color: var(--ink-strong);
    background: rgba(255, 250, 240, 0.25);
    border: 1px solid rgba(33, 26, 21, 0.3);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 160ms ease;
  }

  .menu-toggle:hover,
  .menu-toggle[aria-expanded="true"] {
    background: rgba(255, 250, 240, 0.5);
  }

  .menu-toggle-icon {
    position: relative;
    width: 16px;
    height: 12px;
    border-top: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
  }

  .menu-toggle-icon::after {
    position: absolute;
    top: 4px;
    left: 0;
    width: 100%;
    border-top: 1.5px solid currentColor;
    content: "";
  }

  .menu-toggle[aria-expanded="true"] .menu-toggle-icon {
    border-color: transparent;
  }

  .menu-toggle[aria-expanded="true"] .menu-toggle-icon::before,
  .menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
    position: absolute;
    top: 4px;
    left: 0;
    width: 100%;
    border-top: 1.5px solid currentColor;
    content: "";
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] .menu-toggle-icon::after {
    transform: rotate(-45deg);
  }

  .nav-links {
    grid-column: 1 / -1;
    display: grid;
    gap: 0;
    margin-top: 14px;
    padding: 8px 12px;
    color: var(--ivory);
    background: var(--aubergine);
    border: 1px solid rgba(255, 234, 184, 0.26);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 650;
    text-transform: none;
  }

  .nav-links a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 12px;
    border-radius: 4px;
  }

  .nav-links a::after {
    content: none;
  }

  .nav-links a:hover,
  .nav-links a:focus-visible {
    color: var(--gold-light);
    background: rgba(255, 250, 240, 0.07);
  }

  .nav-links a:focus-visible {
    outline-color: var(--gold-light);
    outline-offset: -2px;
  }

  .site-footer {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding: 32px 4px 40px;
  }

  .footer-brand {
    min-height: 48px;
  }

  .footer-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 20px;
    color: var(--ink-strong);
    font-size: 1rem;
    font-weight: 500;
  }

  .footer-links a {
    display: flex;
    align-items: center;
    min-height: 48px;
    min-width: 0;
  }

  .footer-links a[href^="mailto:"] {
    grid-column: 1 / -1;
    padding-top: 12px;
    border-top: 1px solid rgba(33, 26, 21, 0.2);
    overflow-wrap: anywhere;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: calc(100% - 32px);
  }

  h1 {
    font-size: clamp(3.3rem, 14vw, 5rem);
  }

  .featured-grid,
  .converter {
    grid-template-columns: 1fr;
  }

  .terminal-topline,
  .section-heading {
    align-items: flex-start;
  }

  .price-terminal {
    padding: 18px;
  }

  .featured-price {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 6px 12px;
    min-height: 84px;
    padding: 14px;
  }

  .featured-price .label {
    min-height: 0;
  }

  .featured-price strong {
    grid-column: 2;
    grid-row: 1 / 3;
    margin: 0;
    font-size: clamp(1.125rem, 5vw, 1.5rem);
  }

  .featured-price small {
    margin: 0;
  }

  .price-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .price-table tbody {
    display: block;
  }

  .price-table tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px 12px;
    padding: 18px 0;
    border-top: 1px solid var(--line);
  }

  .price-table #priceRows tr:first-child {
    border-top: 0;
  }

  .price-table td {
    min-width: 0;
    padding: 0;
    border: 0;
  }

  .price-table td:nth-child(2),
  .price-table td[colspan] {
    grid-column: 1 / -1;
  }

  .price-table td:nth-child(2) {
    grid-row: 2;
  }

  .price-table td:nth-child(3) {
    grid-column: 2;
    grid-row: 1;
  }

  .product-desc {
    line-height: 1.45;
    font-weight: 500;
  }

  .price-value {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    font-size: clamp(1rem, 4.3vw, 1.2rem);
  }

  .price-quote {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .price-quote:last-child {
    align-items: flex-end;
  }

  .price-quote:only-child {
    grid-column: 1 / -1;
    align-items: flex-start;
  }

  .change {
    min-width: 0;
  }

  .market-strip {
    margin-bottom: 34px;
  }

  .tool-band,
  .information-section {
    padding: 28px 0 40px;
  }

  .converter {
    gap: 20px;
    padding: 22px;
  }

  .converter-result {
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }

  .movers-panel,
  .concept-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .movers-panel,
  .understanding-panel {
    padding: 24px 20px;
  }

  .movers-column,
  .movers-column + .movers-column {
    padding: 0;
    border-left: 0;
  }

  .movers-column + .movers-column {
    margin-top: 20px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
  }

  .mover-row {
    gap: 12px;
  }

  .mover-row .change {
    font-size: 0.8rem;
  }

  .concept-grid {
    gap: 24px;
  }
}

@media (max-width: 580px) {
  .summary-grid,
  .guide-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .summary-quotes {
    gap: 16px;
    margin-bottom: 18px;
  }

  .summary-quotes dd {
    font-size: clamp(1rem, 5.2cqi, 1.25rem);
  }

  .guide-grid {
    gap: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}