/* Shared HUD palette and chrome. Page content remains in the existing HTML. */
:root {
  color-scheme: dark;
  --bg: #070f1b;
  --surface: #101c2b;
  --surface-inset: #0a1421;
  --ink: #edf5ff;
  --ink-2: #b2c5da;
  --ink-3: #96afc8;
  --primary: #8bd8ff;
  --primary-hover: #b0e7ff;
  --primary-active: #72bcdf;
  --primary-soft: #172d43;
  --accent: #8bd8ff;
  --accent-2: #66bada;
  --border: #294359;
  --border-strong: #44617a;
  --focus: #b0e7ff;
  --success: #80e2b9;
  --success-soft: #112e2b;
  --warning: #efc67a;
  --warning-soft: #2b231a;
  --danger: #ffaaa7;
  --hero-bg: #091320;
  --hero-ink: var(--ink);
  --hero-ink-2: var(--ink-2);
  --hero-accent: var(--primary);
  --hud-gold: #efc67a;
  --hud-mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --hud-glow: 0 0 26px #67caff19;
  --shadow-md: 0 8px 24px #0005;
  --shadow-lg: 0 12px 36px #0007;
  --shadow-pop: 0 24px 80px #0009;
  --container: 1240px;
  --topbar-h: 60px;
  --r-sm: 5px;
  --r-md: 7px;
  --r-lg: 9px;
}

body {
  color: var(--ink);
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 950px 500px at 48% 0, #1a35555e, transparent),
    radial-gradient(circle at 21px 37px, #a4ddff39 0 1px, transparent 1.5px),
    radial-gradient(circle at 147px 113px, #7eb8e83b 0 .8px, transparent 1.5px),
    linear-gradient(#789cc90b 1px, transparent 1px),
    linear-gradient(90deg, #789cc90b 1px, transparent 1px);
  background-size: auto, 291px 229px, 419px 307px, 44px 44px, 44px 44px;
  background-repeat: no-repeat, repeat, repeat, repeat, repeat;
}

::selection { background: #88d4fc; color: #071423; }
.skip-link { background: var(--primary); color: #071423; border-radius: 5px; }
.hero-shell { background: transparent; color: var(--ink); border-color: var(--border); }
.topbar {
  background: #080f1bef;
  border-bottom-color: #34546d;
  box-shadow: 0 1px 18px #4fa4d21b;
}
.topbar__inner { gap: clamp(12px, 2.4vw, 32px); }
.brand__name { color: var(--ink); letter-spacing: .01em; }
.brand__mark svg rect { fill: #162b44; stroke: #5482a3; stroke-width: 1.5px; }
.brand__mark svg path { fill: var(--primary); }
.nav { margin: 0 auto 0 0; gap: 4px; }
.nav__link {
  position: relative;
  height: 44px;
  padding-inline: clamp(9px, 1.1vw, 15px);
  border-radius: 5px;
  color: var(--ink-2);
  white-space: nowrap;
}
.nav__link:hover,
.nav__link.is-active { color: var(--primary); background: #14283d; }
.nav__link.is-active::after {
  position: absolute;
  inset: auto 10px -8px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--hud-gold));
  box-shadow: 0 0 12px #8bd8ff60;
  content: '';
}
.nav-toggle { color: var(--primary); border: 1px solid var(--border); border-radius: 5px; }
.nav-toggle:hover { background: var(--primary-soft); }
.topbar__right .btn-pill {
  height: 44px;
  border: 1px solid #43617b;
  border-radius: 5px;
  background: #101e30;
  color: var(--primary);
  white-space: nowrap;
}
.topbar__right .btn-pill:hover { background: var(--primary-soft); border-color: var(--primary); transform: none; }

.hud-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 18px;
  padding-block: 13px 0;
}
.hud-context__name {
  color: var(--hud-gold);
  font: 700 12px/1.5 var(--hud-mono);
  letter-spacing: .13em;
}
.hud-context__links {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 0 18px;
  border-bottom: 1px solid var(--border);
}
.hud-context a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink-3);
  font-size: 13px;
  white-space: nowrap;
  transition: color 180ms ease;
}
.hud-context a:hover { color: var(--primary); }
main section[id] { scroll-margin-top: calc(var(--topbar-h) + 24px); }

.btn-cta, .btn-mini { border-radius: 5px; }
.btn-cta--primary {
  background: var(--primary);
  border: 1px solid #aae4ff;
  color: #071423;
  box-shadow: 0 0 20px #62c4fd26;
}
.btn-cta--primary:hover { background: var(--primary-hover); transform: none; }
.btn-cta--ghost, .btn-mini {
  border: 1px solid #44617a;
  color: var(--primary);
  background: #101e30;
}
.btn-cta--ghost:hover, .btn-mini:hover { background: var(--primary-soft); border-color: var(--primary); color: var(--ink); transform: none; }
.data-note { color: var(--ink-3); }

.footer { background: #080f1bee; color: var(--ink-2); border-top: 1px solid var(--border); }
.footer__name { color: var(--ink); }
.footer__links { flex-wrap: wrap; gap: 0 20px; }
.footer__links a:hover, .footer__links button:hover { color: var(--primary); }
.footer .independence-note { color: var(--ink-3); border-color: var(--border); }

.cs-float, .dialog {
  background: var(--surface);
  border: 1px solid #416583;
  border-radius: 8px;
  box-shadow: var(--shadow-pop), var(--hud-glow);
}
.cs-float-reopen {
  right: 16px;
  top: auto;
  bottom: 16px;
  transform: none;
  border: 1px solid #517493;
  border-radius: 7px;
  color: var(--primary);
  background: #122438;
  box-shadow: var(--hud-glow);
}
.cs-float-reopen:hover { transform: translateY(-2px); background: #1a334c; }
.cs-float-reopen:active { transform: none; }
.cs-float__qr, .qr-pay__box { border-color: #9ab6cc; border-radius: 5px; }
.overlay { background: #040a13b8; }
.dialog__head {
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
  background: #142437;
}
.dialog__close { width: 44px; height: 44px; }
.qr-pay, .qr-expired { background: var(--surface-inset); border-radius: 7px; }
.qr-expired p { color: var(--ink-2); }
.toast { border-radius: 6px; box-shadow: var(--hud-glow); }

@media (max-width: 768px) {
  .topbar__right { margin-left: auto; }
  .nav { margin: 0; border: 1px solid #416583; border-radius: 7px; background: #101c2b; box-shadow: var(--shadow-pop); }
  .nav__link.is-active::after { content: none; }
  .hud-context { gap: 0 12px; padding-top: 8px; }
  .hud-context__links { gap: 0 12px; }
  .hud-context a { font-size: 12px; }
}

@media (max-width: 420px) {
  .hud-context__name { display: none; }
  .hud-context__links { justify-content: space-between; gap: 0 5px; }
}

/* Homepage navigation feedback. The current-page marker stays on ::after. */
body#top :is(.nav__link, .hud-context a) { transition: none; }
body#top :is(.nav__link, .hud-context a):focus-visible {
  color: var(--primary-hover);
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  body#top .hud-context a { position: relative; }

  body#top :is(.nav__link, .hud-context a):not(:focus-visible) {
    transition: color 160ms ease, background-color 160ms ease, text-shadow 160ms ease;
  }

  body#top :is(.nav__link, .hud-context a)::before {
    position: absolute;
    inset: auto 10px 5px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), var(--hud-gold));
    box-shadow: 0 0 8px #8bd8ff48;
    content: '';
    opacity: 0;
    pointer-events: none;
    transform: scaleX(.2);
    transform-origin: left center;
    transition: opacity 150ms ease, transform 200ms cubic-bezier(.2, .65, .35, 1);
  }

  body#top .hud-context a::before { inset-inline: 0; }

  body#top :is(.nav__link, .hud-context a):hover {
    color: var(--primary-hover);
    text-shadow: 0 0 10px #8bd8ff58;
  }

  body#top :is(.nav__link, .hud-context a):hover:not(:focus-visible)::before {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* Product and reading pages */
.product-page .breadcrumb {
  color: var(--ink-3);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.product-page .breadcrumb a {
  color: var(--primary);
}

.product-page :is(.product-purchase, .product-facts, .product-consult, .detail-section, .help-contact, .article-topic-links, .related-columns > div, .retired-plan-link) {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.product-purchase,
.help-contact {
  box-shadow: inset 0 1px 0 #8bd8ff30, 0 12px 32px #0003;
}

.product-page :is(.product-fit, .product-spec, .detail-section p, .help-intro, .help-contact > p:not(.section-kicker), .help-article > section p, .guide-intro, .retired-main > p:not(.section-kicker)) {
  color: var(--ink-2);
}

.product-page :is(.product-shop-name, .product-price span, .product-disclaimer, .data-note, .guide-policy) {
  color: var(--ink-3);
}

.product-page :is(.product-help, .product-unavailable a, .inline-retry, .related-columns a, .help-contact > a, .help-next a, .help-toc a, .article-topic-links a, .guide-main .article-meta a, .guide-policy a, .guide-shortcuts > a, .guide-card__more) {
  color: var(--primary);
}

.product-page .section-kicker,
.product-page .related-columns h3,
.guide-answer__label {
  color: var(--hud-gold);
}

.product-page .product-cover {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
}

.product-price {
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.product-page .purchase-warning {
  border: 1px solid #efc67a44;
  border-left: 2px solid var(--hud-gold);
  border-radius: 4px;
  background: #191a22;
}

.purchase-warning strong { color: var(--hud-gold); }
.purchase-warning p { color: var(--ink-2); }
.product-consult blockquote { border-left-color: var(--primary); }

.product-page .copy-product {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: #132438;
  color: var(--primary);
}

.product-page .copy-product:hover,
.product-page .retired-plan-link:hover {
  background: #192e45;
  border-color: var(--primary);
}

.product-purchase .product-help {
  min-height: 44px;
  margin-top: 8px;
}

.product-page .detail-section summary::after,
.help-contact code {
  color: var(--primary);
}

.product-page .product-faq__item {
  padding-block: 14px;
}

.product-faq__item h2 {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 16px;
  letter-spacing: normal;
}

.product-faq__item p {
  padding: 0;
}

.product-page :is(.related-reading, .help-toc, .help-next, .guide-sources, .guide-related, .guide-shortcuts) {
  border-color: var(--border);
}

.product-page .product-jump a,
.product-page .help-toc a {
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface);
  text-decoration: none;
}

.product-page .product-jump a:hover,
.product-page .help-toc a:hover {
  border-color: var(--primary);
  text-decoration: none;
}

.product-page .guide-answer {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 2px solid var(--primary);
  border-radius: 5px;
  color: var(--ink);
}

.guide-prose section > h2,
.help-article > section > h2 {
  padding-inline-start: 12px;
  border-inline-start: 2px solid var(--primary);
}

.product-page .guide-example {
  background: var(--surface);
  border-left-color: var(--hud-gold);
  border-radius: 0 4px 4px 0;
  color: var(--ink-2);
}

.guide-sources p,
.guide-sources li {
  color: var(--ink-3);
}

.product-page .guide-table-wrap {
  border-color: var(--border);
  border-radius: 5px;
  background: var(--surface);
}

.guide-table-wrap:focus-visible {
  outline-color: var(--primary);
}

.product-page .guide-prose :is(caption, thead th, tbody th) {
  background: #132438;
  color: var(--ink);
}

.product-page .guide-prose caption {
  color: var(--hud-gold);
}

.product-page .guide-prose :is(th, td) {
  border-color: var(--border);
}

.product-page .retired-plan-link {
  color: var(--ink);
}

.retired-plan-link strong,
.retired-plan-link [aria-hidden] {
  color: var(--primary);
}

@media (prefers-reduced-motion: no-preference) {
  .retired-plan-link,
  .product-page .product-jump a,
  .product-page .help-toc a {
    transition: background-color 180ms ease, border-color 180ms ease;
  }
}