/* Shared design tokens. Fonts are self-hosted in fonts.css. */
:root {
  --ink: #2d2330;
  --text: #554b55;
  --muted: #7c6f78;
  --paper: #fffdfb;
  --paper-soft: #faf6f8;
  --rule: #eee5ea;
  --paper-rule: #eadfe6;
  --deep: #100a15;
  --cream: #f4eadc;
  --cream-muted: #c8bbc8;
  --shell-muted: #b8a9b7;
  --gold: #dabb75;
  --gold-border: #f3dfad;
  --pink: #ce6da6;
  --focus-on-paper: #70405d;
  --gold-rule: rgb(218 187 117 / 18%);
  --font-body: "Geist", Arial, sans-serif;
  --font-mono: "Geist Mono", monospace;
  --font-display: "Libre Baskerville", Georgia, serif;
  --text-xs: .75rem;
  --text-sm: .875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --radius: 6px;
  --content-width: 1380px;
}

/* Document defaults and keyboard navigation. */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--deep); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--deep);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.skip-link {
  position: absolute;
  top: -100px;
  left: 14px;
  z-index: 10;
  padding: 8px 15px;
  color: var(--deep);
  background: var(--gold);
}
.skip-link:focus { top: 10px; }

/* Site shell, wordmark, edition navigation and footer. */
.site-shell {
  position: relative;
  isolation: isolate;
  min-height: max(730px, 100vh);
  padding: 34px clamp(24px, 4vw, 70px) 38px;
  color: var(--cream);
  background:
    radial-gradient(ellipse at 66% -18%, rgb(197 83 154 / 43%) 0, rgb(99 40 104 / 16%) 38%, transparent 60%),
    radial-gradient(circle at 4% 78%, rgb(104 48 124 / 28%), transparent 33%),
    radial-gradient(circle at 96% 61%, rgb(202 116 164 / 10%), transparent 27%),
    linear-gradient(142deg, #100a15 0%, #281127 52%, #100a15 100%);
}
.site-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .045;
  background: url("grain.svg") 0 0 / 180px 180px;
}
.site-header {
  max-width: var(--content-width);
  margin: 0 auto 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
}
.site-wordmark {
  margin: 0;
  font: 400 clamp(32px, 3.2vw, 48px)/.92 var(--font-display);
  letter-spacing: -.055em;
}
.site-wordmark span { color: var(--pink); font-style: italic; }
.edition-switch {
  display: flex;
  align-items: center;
  align-self: end;
  width: 224px;
  height: 46px;
  border: 1px solid rgb(218 187 117 / 20%);
  border-radius: 4px;
  background: rgb(255 255 255 / 3.5%);
  overflow: hidden;
}
.edition-switch a {
  min-width: 0;
  height: 100%;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  color: var(--shell-muted);
}
.edition-switch a + a { border-left: 1px solid rgb(218 187 117 / 16%); }
.edition-switch a > span { width: 22px; height: 20px; flex: 0 0 22px; display: grid; place-items: center; }
.edition-switch svg { display: block; }
.edition-switch b { font-size: 14px; font-weight: 600; line-height: 1.2; }
.edition-switch a[aria-current="location"] { color: #f0d99f; background: rgb(218 187 117 / 11%); }
.edition-switch a:hover { color: var(--cream); background: rgb(255 255 255 / 4.5%); }
.edition-switch a:focus-visible { outline-offset: -3px; }
.register-page, .detail-page { max-width: var(--content-width); margin: 0 auto; }
.site-footer {
  max-width: var(--content-width);
  margin: 25px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--gold-rule);
  color: var(--shell-muted);
  font-size: var(--text-sm);
}
.site-footer p { margin: 0; }
.site-footer p + p { margin-top: 8px; }
.site-footer a { color: var(--cream); text-decoration: underline; text-underline-offset: .2em; }
.site-footer a:hover { color: var(--gold); }

/* Register introductions. Heading levels do not control type size. */
.register-intro { margin-bottom: 26px; padding: 34px 0 27px; border-top: 1px solid var(--gold-rule); }
.register-intro__heading {
  max-width: 980px;
  margin: 0 0 13px;
  color: var(--cream);
  font: 400 clamp(26px, 2.5vw, 36px)/1.2 var(--font-display);
  letter-spacing: -.045em;
}
.register-intro p { margin: 0; color: var(--cream-muted); font-size: 15px; line-height: 1.58; }
.register-intro > div > p { max-width: 920px; }
.register-intro--global {
  margin-bottom: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(390px, .75fr);
  gap: 68px;
  padding: 34px 0 29px;
  border-top: 1px solid var(--gold-rule);
}
.register-intro--global .register-intro__heading { max-width: 800px; letter-spacing: -.04em; }
.register-intro--global > div > p { max-width: 780px; }
.market-summary { display: grid; align-content: start; padding-top: 6px; }
.market-summary p { display: grid; grid-template-columns: 160px 1fr; gap: 13px; padding: 10px 0; border-top: 1px solid rgb(218 187 117 / 14%); }
.market-summary b { color: var(--cream); font-size: 13px; }
.market-summary span { color: var(--shell-muted); font-size: 12px; }

/* Shared company register; each list item is one full-row link. */
.perk-register {
  color: var(--ink);
  background: linear-gradient(155deg, var(--paper), var(--paper-soft));
  border-radius: var(--radius);
  box-shadow: inset 0 1px rgb(255 255 255 / 90%), 0 24px 58px rgb(5 0 10 / 26%);
  overflow: hidden;
}
.perk-register__header {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 22px;
  color: var(--muted);
  border-bottom: 1px solid var(--rule);
  background: var(--paper-soft);
  font-size: 13px;
}
.perk-register__header h2 { margin: 0; font: inherit; }
.perk-register__header span { text-align: right; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.perk-register [hidden] { display: none; }
.register-tools { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 10px 16px; border-bottom: 1px solid var(--paper-rule); background: var(--paper-soft); }
.register-search { display: flex; flex: 1; align-items: center; gap: 12px; min-width: 0; }
.register-search__field { display: flex; align-items: center; gap: 8px; width: 25rem; max-width: 100%; min-width: 0; padding: 0 8px; border: 1px solid #d2c6cd; border-radius: var(--radius); background: var(--paper); }
.register-search__field svg { flex: none; color: var(--muted); }
.register-search input[type="search"] { width: 100%; min-width: 0; height: 36px; padding: 0; border: 0; color: var(--ink); background: transparent; font: inherit; font-size: var(--text-sm); outline: none; }
.register-search input::placeholder { color: var(--muted); opacity: 1; }
.register-search__field:focus-within { border-color: var(--focus-on-paper); outline: 2px solid var(--focus-on-paper); outline-offset: 2px; }
.register-search button { min-height: 44px; padding: 0 12px; border: 1px solid #d2c6cd; border-radius: var(--radius); color: var(--ink); background: var(--paper); font: inherit; cursor: pointer; }
.register-search a { flex: none; font-size: var(--text-sm); }
.register-search a, .empty-state a { color: var(--focus-on-paper); text-decoration: underline; text-underline-offset: 3px; }
.register-order { flex: none; }
.register-order button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 2px; border: 0; background: transparent; color: var(--text); font: inherit; font-size: var(--text-sm); font-weight: 600; cursor: pointer; }
.register-order__triangle { width: 0; height: 0; border-inline: 4px solid transparent; border-bottom: 6px solid currentColor; }
.register-order [data-sort="za"] .register-order__triangle { transform: rotate(180deg); }
.register-order button:hover { color: var(--focus-on-paper); }
.register-search button:focus-visible, .register-order button:focus-visible { outline: 2px solid var(--focus-on-paper); outline-offset: 3px; }
.perk-register__list { display: grid; margin: 0; padding: 0 14px 12px; list-style: none; }
.company-card {
  min-height: 82px;
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr) minmax(280px, .82fr);
  align-items: center;
  gap: 12px;
  padding: 11px 18px 11px 10px;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
}
.perk-register__list li:not([hidden]):not(:has(~ li:not([hidden]))) .company-card { border-bottom-color: transparent; }
.company-card:hover { background: var(--paper-soft); box-shadow: inset 0 0 0 1px rgb(181 145 66 / 34%); }
.company-card:focus-visible { outline-color: var(--focus-on-paper); outline-offset: -2px; }
.company-card__logo { width: 112px; height: 54px; display: flex; align-items: center; justify-content: center; }
.company-card__logo img { width: 100%; height: 100%; object-fit: contain; }
.company-card__identity { min-width: 0; }
.company-card__identity strong { display: block; margin: 2px 0; font-size: 17px; line-height: normal; overflow-wrap: anywhere; }
.company-card__identity small { display: block; margin-top: 5px; color: var(--muted); font: 13px/1.4 var(--font-mono); }
.company-card__benefit { padding-left: 22px; border-left: 1px solid var(--paper-rule); text-align: right; }
.company-card__benefit small { display: block; color: var(--muted); font-size: 13px; font-weight: 500; }
.company-card__benefit strong { display: block; margin-top: 3px; font: 400 20px/1.08 var(--font-display); letter-spacing: -.045em; }
.company-card__benefit b { display: block; margin-top: 5px; color: #a9467d; font-size: 12px; }
.empty-state { padding: 56px 22px 62px; text-align: center; }
.empty-state p { max-width: 560px; margin: 0 auto; color: var(--muted); font-size: 14px; line-height: 1.65; }
.empty-state .empty-state__title { margin-bottom: 10px; color: var(--ink); font: 400 25px/1.3 var(--font-display); letter-spacing: -.035em; }

/* Company identity and reading columns. */
.detail-page { --detail-columns: minmax(0, 1.55fr) minmax(315px, .55fr); --detail-gap: 22px; }
.breadcrumbs { margin: 0 0 20px; color: var(--cream-muted); font-size: 13px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li + li::before { content: "/"; margin-right: 8px; }
.breadcrumbs a:hover { color: var(--gold); text-decoration: underline; }
.company-summary {
  min-height: 205px;
  display: grid;
  grid-template-columns: var(--detail-columns);
  gap: var(--detail-gap);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgb(33 18 38 / 72%);
}
.company-summary__identity { display: flex; align-items: center; gap: 24px; padding: 30px; }
.company-summary__identity > div { min-width: 0; }
.company-summary__identity span { color: var(--shell-muted); font: 11px var(--font-mono); }
.company-summary__logo { width: 92px; height: 92px; flex: 0 0 92px; display: flex; align-items: center; justify-content: center; padding: 10px; border-radius: 4px; background: #fff; }
.company-summary__logo img { width: 100%; height: 100%; object-fit: contain; }
.company-summary__identity h1 { margin: 5px 0 8px; font: 400 clamp(28px, 2.6vw, 38px)/1.1 var(--font-display); letter-spacing: -.035em; overflow-wrap: anywhere; }
.company-summary__identity p { margin: 0; color: var(--cream-muted); font-size: 15px; }
.company-summary__benefit { display: grid; align-content: center; padding: 28px 30px; color: var(--ink); background: linear-gradient(145deg, #ead8aa, #c49b54); border-left: 1px solid var(--gold-border); }
.company-summary__benefit small { font-size: 12px; }
.company-summary__benefit strong { margin: 9px 0; font: 400 35px/.98 var(--font-display); letter-spacing: -.045em; }
.company-summary__benefit span { font-size: 14px; }
.perk-detail { display: grid; grid-template-columns: var(--detail-columns); gap: var(--detail-gap); margin-top: 18px; }
.prose-panel { min-width: 0; font-size: var(--text-base); line-height: 1.6; color: var(--ink); border-radius: var(--radius); background: var(--paper); box-shadow: 0 18px 44px rgb(5 0 10 / 20%); overflow: hidden; }
.prose-panel > :is(section, header) { padding: 29px 32px 30px; border-bottom: 1px solid var(--rule); }
.prose-panel > section:last-child { border-bottom: 0; }
.prose-panel h1 { margin: 0 0 12px; font: 400 32px/1.15 var(--font-display); }
.prose-panel__heading { margin: 0 0 10px; font: 400 25px/1.15 var(--font-display); letter-spacing: -.025em; }
.prose-panel p { margin: 0; color: var(--text); }
.prose-panel p + p { margin-top: 14px; }
.prose-panel a { color: #70405d; text-decoration: underline; text-underline-offset: 3px; }
.prose-panel a:focus-visible { outline-color: var(--focus-on-paper); }
.risk-notice { margin-top: 18px; }
.claim-steps { margin: 19px 0 0; padding: 0; list-style: none; }
.claim-steps li { min-height: 68px; padding: 15px 0; border-bottom: 1px solid var(--rule); }
.claim-steps li:first-child { padding-top: 0; }
.claim-steps li:last-child { border-bottom: 0; }
.claim-steps b { display: block; }
.claim-steps span { display: block; margin-top: 5px; color: var(--text); }
.issuer-link { display: inline-block; margin-top: 14px; font-weight: 600; }
.external-link-icon { display: inline-block; width: 1em; height: 1em; vertical-align: -.125em; }
.perk-facts { display: grid; grid-template-columns: minmax(8rem, 1fr) 2fr; gap: .5rem 1rem; color: var(--text); }
.perk-facts dt { font-weight: 600; }
.perk-facts dd { margin: 0; overflow-wrap: anywhere; }
.perk-facts--tier + .perk-facts--tier { padding-top: 1rem; border-top: 1px solid var(--paper-rule); }
.perk-tier { margin-top: 18px; }
.perk-tier + .perk-tier { padding-top: 20px; border-top: 1px solid var(--paper-rule); }
.perk-tier__heading { margin: 0; font: 600 var(--text-lg)/1.4 var(--font-body); }
.perk-tier .perk-tier__holding { margin-top: 4px; color: var(--muted); }
.perk-tier__benefits { margin: 16px 0 0; padding: 0; list-style: none; }
.perk-tier__benefits li + li { margin-top: 14px; }
.perk-tier__benefits strong, .perk-tier__benefits span { display: block; }
.perk-tier__benefits span { color: var(--text); }
.perk-tier__benefits .notice { margin-top: 8px; }
/* Status notices from the prototype's Status and feedback component. */
.notice { min-height: 66px; display: grid; grid-template-columns: 28px minmax(0, 1fr); align-items: start; gap: 11px; padding: 13px 15px; background: var(--notice-background); border-left: 3px solid var(--notice-accent); }
.notice--warning { --notice-background: #f7edda; --notice-accent: #b57923; }
.notice--info { --notice-background: #f6e7f1; --notice-accent: #8d4e79; }
.notice__icon { display: block; width: 24px; height: 24px; color: var(--notice-accent); }
.notice .notice__copy { margin: 0; }
.notice__title { display: block; color: var(--ink); font-size: 13px; line-height: 1.4; }
.notice__text { display: block; margin-top: 4px; color: var(--text); font-size: 12px; line-height: 1.4; }
.perk-heading { margin-top: 2rem; font: 400 28px/1.2 var(--font-display); }
.prose-panel__subheading, .perk-history h3, .perk-history h4 { margin: 20px 0 7px; font: 600 var(--text-base)/1.4 var(--font-body); }
.perk-history { margin: 22px 0 0; padding: 0; list-style: none; }
.perk-history li + li { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--paper-rule); }
.perk-history time { display: inline-block; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.perk-history h3, .perk-history h4 { margin: 0 0 7px; }
.detail-page--risks { max-width: 860px; margin-left: 0; }

/* Claim route and provenance remain distinct from issuer terms. */
.perk-detail__aside { display: grid; align-content: start; gap: 12px; }
.claim-route { color: var(--cream); border-radius: var(--radius); background: linear-gradient(155deg, rgb(49 27 52 / 90%), rgb(28 17 33 / 88%)); }
.claim-route__content { padding: 21px; border-bottom: 1px solid rgb(218 187 117 / 16%); }
.claim-route__content > span { display: block; color: var(--cream-muted); font-size: 12px; }
.claim-route__content > strong { display: block; margin: 8px 0 13px; color: var(--gold); font: 400 21px/1.2 var(--font-display); letter-spacing: -.045em; }
.claim-route__content a { color: var(--gold); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.source-card { padding: 20px; color: var(--ink); border-radius: var(--radius); background: #dec68e; }
.source-card__heading { margin: 0; font-size: 12px; font-weight: 400; }
.source-card a { display: block; margin-top: 8px; font: 400 14px/1.5 var(--font-display); letter-spacing: -.045em; }
.source-card a:hover { text-decoration: underline; }
.source-card a:focus-visible { outline-color: var(--focus-on-paper); }
.source-card p { margin: 10px 0 0; font-size: 12px; }
.source-card--supporting { padding: 16px 20px; color: var(--cream-muted); background: #2c1733; }
.source-card--supporting a { color: var(--cream); font: 500 13px/1.5 var(--font-body); letter-spacing: normal; }
.source-card--supporting a:focus-visible { outline-color: var(--gold); }
.claim-evidence { padding: 13px 16px; color: var(--cream); border-radius: var(--radius); background: rgb(32 19 37 / 70%); box-shadow: 0 12px 30px rgb(5 0 10 / 12%); }
.claim-evidence__heading { margin: 0; color: var(--gold); font: 400 15px/1.3 var(--font-display); }
.claim-evidence h3:not(.claim-evidence__heading), .claim-evidence h4 { font-size: 13px; }
.claim-evidence p { margin: 7px 0 0; color: var(--cream-muted); font-size: 12px; line-height: 1.5; }
.claim-evidence a { text-decoration: underline; text-underline-offset: 3px; }

/* Responsive layout: each component stacks when its content needs the space. */
@media (max-width: 1050px) {
  .company-card { grid-template-columns: 78px minmax(0, 1fr) minmax(210px, .75fr); }
  .company-card__logo { max-width: 100%; }
  .company-summary { grid-template-columns: minmax(0, 1fr) 300px; column-gap: 0; }
  .perk-detail { grid-template-columns: 1fr; }
  .perk-detail__aside { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .claim-route { grid-row: span 2; }
  .source-card, .claim-evidence { align-self: stretch; }
  .register-intro--global { gap: 32px; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .site-shell { padding: 22px 14px 30px; }
  .register-intro { padding-block: 21px; }
  .register-intro--global { display: block; padding-block: 23px; }
  .market-summary { margin-top: 25px; }
  .market-summary p { grid-template-columns: 145px 1fr; }
  .empty-state { padding: 40px 18px; }
  .company-summary { display: block; }
  .company-summary__identity { padding: 22px; gap: 16px; }
  .company-summary__identity h1 { font-size: 28px; }
  .company-summary__logo { width: 64px; height: 64px; flex-basis: 64px; padding: 6px; }
  .company-summary__benefit { padding: 20px 18px; border-left: 0; border-top: 1px solid var(--gold-border); }
  .company-summary__benefit strong { font-size: 29px; }
  .perk-detail { display: block; }
  .prose-panel > :is(section, header) { padding: 24px 22px; }
  .prose-panel__heading { font-size: 23px; }
  .perk-detail__aside { grid-template-columns: 1fr; margin-top: 14px; }
  .claim-route { grid-row: auto; }
}
@media (max-width: 600px) {
  .register-tools { flex-wrap: wrap; gap: 8px 16px; padding: 8px 12px; }
  .register-search { flex-basis: 100%; }
  .register-search__field { flex: 1; }
  .register-order { margin-left: auto; }
  .register-order button { min-height: 32px; }
  .perk-register__header { display: block; min-height: 0; padding: 13px 14px; }
  .perk-register__header span { display: block; margin-top: 4px; text-align: left; line-height: 1.4; }
  .perk-register__list { padding-inline: 8px; }
  .company-card { grid-template-columns: 58px minmax(0, 1fr); min-height: 118px; gap: 8px; padding: 12px 8px 10px; }
  .company-card__logo { width: 60px; height: 40px; }
  .company-card__identity strong { font-size: 14px; }
  .company-card__benefit { grid-column: 1 / -1; margin-top: 8px; padding: 10px 2px 0 66px; border-top: 1px solid var(--paper-rule); border-left: 0; text-align: left; }
  .company-card__benefit small, .company-card__benefit b { font-size: 11px; }
  .company-card__benefit strong { font-size: 18px; }
}
@media (max-width: 560px) {
  .site-header { grid-template-columns: 1fr; gap: 14px; align-items: start; }
  .edition-switch { width: 100%; }
}
@media (max-width: 480px) {
  .perk-facts { grid-template-columns: 1fr; gap: .25rem; }
  .perk-facts dd { margin-bottom: .75rem; }
}

/* Printing: ink on white paper, without the dark fills or screen-only chrome. */
@media print {
  @page { margin: 14mm; }
  html, body, .site-shell { background: none; }
  body, .site-shell { color: var(--ink); }
  .site-shell { min-height: 0; padding: 0; }
  .site-shell::before { content: none; }
  .skip-link, .edition-switch, .claim-route__content a[href^="#"] { display: none; }
  .register-intro, .register-intro--global, .market-summary p, .site-footer { border-color: var(--rule); }
  .perk-register, .prose-panel { box-shadow: none; }
  .perk-detail { display: block; }
  .prose-panel { overflow: visible; }
  .perk-detail__aside { margin-top: 18px; align-items: start; }
  .claim-route { grid-row: auto; align-self: start; }
  h1, h2, h3, h4 { break-after: avoid; }
  .company-summary, .claim-route, .claim-evidence, .source-card {
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--cream-muted);
    box-shadow: none;
  }
  .company-summary__benefit { background: none; border-color: var(--cream-muted); }
  .claim-route__content { border-bottom: 0; }
  .notice__icon { color: var(--ink); }
  .breadcrumbs, .register-intro p, .market-summary span, .company-summary__identity p,
  .claim-route__content > span, .claim-evidence p, .source-card--supporting, .site-footer { color: var(--muted); }
  .register-intro__heading, .breadcrumbs a, .market-summary b, .company-summary__identity span,
  .claim-route__content > strong, .claim-evidence__heading, .source-card--supporting a,
  .site-footer a { color: var(--ink); }
  .claim-steps li, .perk-facts, .notice, .perk-history li, .source-card, .claim-evidence { break-inside: avoid; }
  :is(.prose-panel, .source-card) a[href^="http"]::after {
    content: " (" attr(href) ")";
    color: var(--muted);
    font-size: 11px;
    overflow-wrap: anywhere;
  }
}