:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1b2430;
  background: #eef2f6;
  color-scheme: light;
  --panel: #ffffff;
  --soft: #f7f9fb;
  --border: #d9e0e8;
  --muted: #637083;
  --accent: #4f46b8;
  --accent-strong: #3f379f;
  --accent-soft: #eeecff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: #eef2f6; color: #1b2430; }
a { color: var(--accent-strong); }
a:focus-visible { outline: 3px solid #8d84e8; outline-offset: 3px; }

.info-shell { min-height: 100vh; }
.info-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(12px);
}
.info-brand {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}
.info-brand strong { font-size: 1.25rem; letter-spacing: -.025em; }
.info-brand span { color: var(--muted); font-size: .88rem; }
.info-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.info-nav a {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  border-radius: 9px;
  color: #354153;
  font-size: .84rem;
  font-weight: 650;
  text-decoration: none;
}
.info-nav a:hover, .info-nav a[aria-current='page'] { background: var(--accent-soft); color: var(--accent-strong); }

.info-main {
  width: min(100% - 28px, 1040px);
  margin: 0 auto;
  padding: 54px 0 72px;
}
.info-hero {
  display: grid;
  gap: 18px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 14px 40px rgba(33, 43, 54, .07);
}
.eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 780;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.info-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}
.lede {
  max-width: 760px;
  margin: 0;
  color: #465366;
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--soft);
  color: #354153;
  font-weight: 700;
  text-decoration: none;
}
.action.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.action:hover { transform: translateY(-1px); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}
.info-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
}
.info-card.wide { grid-column: 1 / -1; }
.info-card h2 { margin: 0 0 10px; font-size: 1.18rem; letter-spacing: -.02em; }
.info-card h3 { margin: 22px 0 8px; font-size: 1rem; }
.info-card p, .info-card li { color: #465366; line-height: 1.65; }
.info-card p:last-child { margin-bottom: 0; }
.info-card ul, .info-card ol { padding-left: 1.25rem; margin-bottom: 0; }
.info-card li + li { margin-top: 7px; }
.callout {
  margin-top: 16px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: var(--accent-soft);
  color: #39346e;
  line-height: 1.6;
}
.source-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 0;
  list-style: none;
}
.source-list li {
  margin: 0;
  padding: 13px 14px;
  border-radius: 11px;
  background: var(--soft);
}
.info-footer {
  width: min(100% - 28px, 1040px);
  margin: 0 auto;
  padding: 0 0 34px;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.5;
}
.info-footer a { color: inherit; }

@media (max-width: 720px) {
  .info-topbar { align-items: flex-start; padding: 10px 12px; }
  .info-brand span { display: none; }
  .info-nav { gap: 2px; }
  .info-nav a { padding: 7px 8px; }
  .info-main { width: min(100% - 18px, 1040px); padding-top: 24px; }
  .info-hero { padding: 24px 20px; border-radius: 18px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-card.wide { grid-column: auto; }
  .source-list { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .action:hover { transform: none; }
}

/* Lightweight product landing page. It stays fully static until the user opens the atlas. */
.landing-main {
  width: min(100% - 32px, 1180px);
  padding-top: 42px;
}
.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, .72fr);
  gap: 18px;
  align-items: stretch;
}
.landing-copy,
.landing-principles,
.landing-section {
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: 0 14px 40px rgba(33, 43, 54, .065);
}
.landing-copy {
  display: grid;
  align-content: start;
  gap: 20px;
  padding: clamp(28px, 5vw, 58px);
  border-radius: 26px;
}
.landing-copy h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.35rem, 6vw, 4.7rem);
  line-height: .98;
  letter-spacing: -.055em;
}
.landing-search {
  max-width: 760px;
  display: grid;
  gap: 8px;
  padding: 15px;
  border: 1px solid #ccd4df;
  border-radius: 16px;
  background: var(--soft);
}
.landing-search label {
  color: #354153;
  font-size: .8rem;
  font-weight: 750;
}
.landing-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}
.landing-search input,
.landing-search button {
  min-height: 50px;
  border-radius: 11px;
  font: inherit;
}
.landing-search input {
  width: 100%;
  border: 1px solid #bcc7d4;
  padding: 10px 13px;
  background: #fff;
  color: #1b2430;
}
.landing-search button {
  border: 1px solid var(--accent);
  padding: 10px 16px;
  background: var(--accent);
  color: #fff;
  font-weight: 750;
  cursor: pointer;
}
.landing-search input:focus-visible,
.landing-search button:focus-visible {
  outline: 3px solid #8d84e8;
  outline-offset: 2px;
}
.landing-search p {
  margin: 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.45;
}
.landing-principles {
  display: grid;
  align-content: start;
  gap: 0;
  padding: 24px;
  border-radius: 26px;
  overflow: hidden;
}
.landing-kicker {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 780;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.landing-principles div {
  padding: 18px 0;
  border-top: 1px solid var(--border);
}
.landing-principles strong { font-size: .94rem; }
.landing-principles p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.55;
}
.landing-section {
  margin-top: 18px;
  padding: clamp(24px, 4vw, 38px);
  border-radius: 20px;
}
.landing-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}
.landing-section h2 {
  margin: 5px 0 0;
  max-width: 760px;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  letter-spacing: -.035em;
}
.landing-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.landing-card {
  min-height: 190px;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 9px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--soft);
  color: inherit;
  text-decoration: none;
}
.landing-card:hover {
  border-color: #aaa3e2;
  background: #fbfaff;
  transform: translateY(-2px);
}
.landing-card-index {
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.landing-card strong { font-size: 1rem; }
.landing-card p {
  margin: 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.55;
}
.landing-section-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .85fr);
  gap: 34px;
  align-items: start;
}
.landing-section-split h2 { max-width: 650px; }
.landing-prose p {
  margin-top: 0;
  color: #465366;
  line-height: 1.7;
}
.landing-prose a { font-weight: 750; }
.landing-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, 1180px);
}

@media (max-width: 920px) {
  .landing-hero { grid-template-columns: 1fr; }
  .landing-principles { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 16px; }
  .landing-kicker { grid-column: 1 / -1; }
  .landing-principles div { border-top: 1px solid var(--border); }
  .landing-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .landing-main { width: min(100% - 18px, 1180px); }
  .landing-copy { padding: 28px 20px; border-radius: 20px; }
  .landing-copy h1 { font-size: clamp(2.15rem, 12vw, 3.25rem); }
  .landing-search-row { grid-template-columns: 1fr; }
  .landing-search button { width: 100%; }
  .landing-principles { grid-template-columns: 1fr; border-radius: 20px; }
  .landing-kicker { grid-column: auto; }
  .landing-card-grid { grid-template-columns: 1fr; }
  .landing-card { min-height: 0; }
  .landing-section-split { grid-template-columns: 1fr; gap: 18px; }
  .landing-footer { width: min(100% - 18px, 1180px); flex-direction: column; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-card:hover { transform: none; }
}

/* Static discovery surface: zero API work until the user opens the atlas. */
.explore-main {
  width: min(100% - 32px, 1180px);
  padding-top: 42px;
}
.explore-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr);
  gap: 18px;
  align-items: stretch;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--panel);
  box-shadow: 0 14px 40px rgba(33, 43, 54, .065);
}
.explore-hero > div:first-child {
  display: grid;
  align-content: center;
  gap: 18px;
}
.explore-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4.15rem);
  line-height: 1;
  letter-spacing: -.052em;
}
.explore-search {
  align-self: center;
  max-width: none;
  background: #f4f5fb;
}
.quick-link-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.quick-link-grid a {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--soft);
  color: inherit;
  text-decoration: none;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.quick-link-grid a:hover {
  border-color: #aaa3e2;
  background: #fbfaff;
  transform: translateY(-2px);
}
.quick-link-grid strong { font-size: 1rem; }
.quick-link-grid span { color: var(--muted); font-size: .78rem; line-height: 1.4; }
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.topic-grid article {
  min-height: 170px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--soft);
}
.topic-grid article > span {
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.topic-grid h3 { margin: 12px 0 8px; font-size: 1rem; }
.topic-grid p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.58; }
.explore-route {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.explore-route p:not(.eyebrow) { max-width: 760px; color: var(--muted); line-height: 1.65; }
.landing-card-grid { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

@media (max-width: 820px) {
  .explore-hero { grid-template-columns: 1fr; }
  .quick-link-grid, .topic-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .explore-route { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .explore-main { width: min(100% - 18px, 1180px); padding-top: 24px; }
  .explore-hero { padding: 24px 20px; border-radius: 18px; }
  .quick-link-grid, .topic-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .quick-link-grid a { transition: none; }
  .quick-link-grid a:hover { transform: none; }
}

/* Static data and layers guide: descriptive content with zero runtime API work. */
.data-main {
  width: min(100% - 32px, 1180px);
  padding-top: 42px;
}
.data-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: 18px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--panel);
  box-shadow: 0 14px 40px rgba(33, 43, 54, .065);
}
.data-hero > div:first-child {
  display: grid;
  align-content: center;
  gap: 18px;
}
.data-hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -.052em;
}
.data-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  align-content: center;
  gap: 8px 14px;
  padding: 22px;
  border-radius: 18px;
  background: #f4f5fb;
}
.data-summary > span {
  grid-row: span 2;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.data-summary strong { font-size: .94rem; }
.data-summary p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.55;
}
.data-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.data-grid article {
  min-height: 190px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--soft);
}
.data-grid article > span {
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.data-grid h3 { margin: 12px 0 8px; font-size: 1rem; }
.data-grid p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.6; }
.result-anatomy {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: 32px;
  align-items: start;
}
.data-intro { color: var(--muted); line-height: 1.65; }
.result-steps {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: result-step;
}
.result-steps li {
  counter-increment: result-step;
  display: grid;
  grid-template-columns: minmax(130px, .45fr) minmax(0, 1fr);
  gap: 16px;
  padding: 15px 16px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--soft);
}
.result-steps li::before {
  content: counter(result-step, decimal-leading-zero);
  grid-row: 1 / span 2;
  width: 32px;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.result-steps strong { grid-column: 2; font-size: .9rem; }
.result-steps span { grid-column: 2; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.data-source-strip {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}
.data-source-strip > div:first-child { max-width: 790px; }
.data-source-strip p:not(.eyebrow) { color: var(--muted); line-height: 1.65; }

@media (max-width: 820px) {
  .data-hero, .result-anatomy { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .data-source-strip { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 560px) {
  .data-main { width: min(100% - 18px, 1180px); padding-top: 24px; }
  .data-hero { padding: 24px 20px; border-radius: 18px; }
  .data-grid { grid-template-columns: 1fr; }
  .result-steps li { grid-template-columns: 1fr; gap: 6px; }
  .result-steps li::before, .result-steps strong, .result-steps span { grid-column: 1; grid-row: auto; }
}

/* Static thematic route catalog: useful before the interactive map or API loads. */
.route-catalog-main {
  width: min(100% - 32px, 1180px);
  padding-top: 42px;
}
.route-catalog-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(290px, .85fr);
  gap: 18px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--border);
  border-radius: 26px;
  background: var(--panel);
  box-shadow: 0 14px 40px rgba(33, 43, 54, .065);
}
.route-catalog-hero > div:first-child {
  display: grid;
  align-content: center;
  gap: 18px;
}
.route-catalog-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.15rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -.052em;
}
.route-contract-card {
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 22px;
  border-radius: 18px;
  background: #f4f5fb;
}
.route-contract-card strong { color: #303b4d; font-size: .9rem; }
.route-contract-card p { margin: 0 0 14px; color: var(--muted); font-size: .8rem; line-height: 1.55; }
.route-count-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid #d8deea;
  border-radius: 999px;
  color: var(--accent);
  background: #f7f7fd;
  font-size: .8rem;
  font-weight: 760;
}
.route-snapshot-note {
  max-width: 860px;
  margin: -4px 0 18px;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.55;
}
.route-stop-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.route-stop-grid a {
  min-height: 154px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 15px;
  color: inherit;
  background: var(--soft);
  text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.route-stop-grid a:hover,
.route-stop-grid a:focus-visible {
  transform: translateY(-2px);
  border-color: #c9d0e3;
  box-shadow: 0 10px 28px rgba(33, 43, 54, .07);
}
.route-stop-index {
  margin-bottom: auto;
  color: var(--accent);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.route-stop-grid strong { font-size: 1rem; }
.route-stop-grid a > span:last-child { color: var(--muted); font-size: .8rem; }
.route-usage-grid > div:first-child { max-width: 720px; margin-bottom: 18px; }

@media (max-width: 920px) {
  .route-stop-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .route-catalog-hero { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .route-catalog-main { width: min(100% - 18px, 1180px); padding-top: 24px; }
  .route-catalog-hero { padding: 24px 20px; border-radius: 18px; }
  .route-stop-grid { grid-template-columns: 1fr 1fr; }
  .route-stop-grid li:last-child { grid-column: 1 / -1; }
  .route-stop-grid a { min-height: 124px; }
}
@media (prefers-reduced-motion: reduce) {
  .route-stop-grid a { transition: none; }
}

/* Compact static-page mobile navigation: one scrollable row instead of multi-line wrapping. */
@media (max-width: 720px) {
  .info-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: center;
    gap: 4px;
    min-height: 0;
    padding: 7px 10px 5px;
  }
  .info-brand { min-height: 44px; align-items: center; }
  .info-nav {
    width: 100%;
    max-width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 2px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: thin;
  }
  .info-nav a { flex: 0 0 auto; min-height: 44px; }
}

/* Production readability and touch-target polish. */
.info-main p > a:not(.action),
.info-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
}

/* Legal and operator pages share the standard public information surface. */
.legal-main { padding-bottom: 24px; }
.legal-grid { align-items: start; }
.legal-grid .info-card p + p { margin-top: 10px; }
.legal-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 18px;
}
.legal-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px 14px;
}
.legal-links a[aria-current="page"] { font-weight: 750; color: var(--ink); }

/* Stage6 Help/FAQ */
.help-grid { grid-template-columns: minmax(0,1fr); }
.help-section { display: grid; gap: 12px; }
.help-question { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--soft); }
.help-question summary { min-height: 48px; cursor: pointer; padding: 12px 18px; font-weight: 740; line-height: 1.55; }
.help-question summary:focus-visible { outline: 3px solid #8d84e8; outline-offset: -3px; }
.help-question[open] { background: #fff; border-color: var(--accent); }
.help-answer { padding: 0 18px 16px; }
.help-answer p { margin: 0; }
@media(max-width:600px){ .help-section { padding: 16px; } }

/* WOW CROSS-PAGE POLISH - 2026-10-14. Same brand language as atlas map.
   Works on all lightweight EN and PL HTML pages without third-party assets. */
:root {
  --panel: #fff;
  --soft: #f7f9ff;
  --border: #dfe7f3;
  --muted: #64738c;
  --accent: #6354dc;
  --accent-strong: #4939b3;
  --accent-soft: #efedff;
  --wow-navy: #0c1d3b;
  --wow-turquoise: #4ddad7;
}
body {
  color: #1b2d4b;
  background: radial-gradient(ellipse at 25% 0, rgba(114,137,236,.10), transparent 47%), #f1f4fb;
}
.info-topbar {
  min-height: 76px;
  position: sticky;
  isolation: isolate;
  border-bottom: 1px solid rgba(115,192,244,.26);
  background: linear-gradient(115deg, #0b1936 2%, #12284d 58%, #191d50);
  box-shadow: 0 9px 28px rgba(11,29,67,.17);
  backdrop-filter: blur(15px);
}
.info-topbar::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse 340px 85px at 12% 0, rgba(67,224,216,.13), transparent 100%),
              radial-gradient(ellipse 450px 95px at 88% 0, rgba(128,97,248,.12), transparent 100%);
}
.info-brand {
  color: #fff;
  min-width: 0;
  gap: 11px;
}
.info-brand::before {
  content: "";
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  border-radius: 11px;
  transform: rotate(-9deg);
  background:
    radial-gradient(circle, #fff 0 11%, transparent 14%),
    radial-gradient(circle, transparent 0 30%, rgba(255,255,255,.82) 32% 34%, transparent 36%),
    conic-gradient(from 205deg, #44dcd6, #819af7, #9784f3, #44dcd6);
  box-shadow: 0 0 18px rgba(80,213,236,.23), inset 0 0 0 2px rgba(255,255,255,.16);
}
.info-brand strong { color: #fff; font-size: 1.27rem; letter-spacing: -.05em; font-weight: 830; }
.info-brand span { color: #b4c9e7; font-size: .74rem; }
.info-nav { gap: 3px; }
.info-nav a {
  min-height: 44px;
  color: #d7e5f9;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 700;
  font-size: .81rem;
  transition: border-color .18s ease, background .18s ease, color .18s ease;
}
.info-nav a:hover,
.info-nav a:focus-visible,
.info-nav a[aria-current='page'] {
  border-color: rgba(111,197,234,.34);
  color: #fff;
  background: rgba(255,255,255,.11);
}
.info-nav a[aria-current='page'] { box-shadow: inset 0 -2px 0 #4ddad7; }
.info-main { max-width: 1100px; }
.info-hero,
.explore-hero,
.landing-copy {
  position: relative;
  overflow: hidden;
  border-color: #dbe4f4;
  background:
    radial-gradient(ellipse 460px 300px at 97% -20%, rgba(144,131,250,.15), transparent 100%),
    radial-gradient(ellipse 360px 330px at -10% 0%, rgba(47,213,212,.08), transparent 100%),
    linear-gradient(145deg, #fff, #f9faff);
  box-shadow: 0 17px 52px rgba(24,49,96,.09);
}
.info-hero::before,
.landing-copy::before,
.explore-hero::before {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  top: -145px;
  right: -65px;
  border: 1px solid rgba(111,98,222,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 42px rgba(96,130,224,.025),
              0 0 0 85px rgba(91,125,212,.02);
  pointer-events: none;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .75rem;
  color: #594bbd;
  font-weight: 830;
  letter-spacing: .125em;
}
.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: linear-gradient(130deg, #2cc7c0, #7956da);
}
.info-hero h1,
.landing-copy h1,
.explore-hero h1 {
  color: #132749;
  letter-spacing: -.058em;
  text-wrap: balance;
}
.lede { color: #556783; line-height: 1.63; }
.info-card,
.landing-section {
  border-color: #dfe6f3;
  background: linear-gradient(160deg, #fff, #fbfcff);
  box-shadow: 0 8px 28px rgba(26,49,93,.055);
}
.info-card h2,
.info-card h3,
.landing-section h2,
.topic-grid h3 {
  color: #223558;
  letter-spacing: -.03em;
}
.action {
  border-radius: 12px;
  border-color: #d6e0ef;
  color: #345172;
  background: #fff;
  box-shadow: 0 4px 13px rgba(35,55,92,.045);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.action.primary,
.landing-search button {
  border-color: #6652de;
  color: #fff;
  background: linear-gradient(135deg, #6959e9, #493ab3);
  box-shadow: 0 7px 19px rgba(81,64,178,.24);
}
.action:hover,
.action:focus-visible {
  border-color: #9a8df0;
  box-shadow: 0 10px 23px rgba(40,48,126,.12);
}
.landing-search,
.explore-search {
  border-color: #d9dcf4;
  border-radius: 17px;
  background: linear-gradient(145deg, #f6f5ff, #f8fcff);
  box-shadow: inset 0 1px 0 #fff;
}
.landing-search input { border-color: #cdd7e9; }
.landing-search input:focus-visible {
  border-color: #796aee;
  box-shadow: 0 0 0 4px rgba(100,80,218,.13);
}
.landing-principles {
  color: #fff;
  border: 1px solid rgba(117,168,230,.35);
  background:
    radial-gradient(circle at 93% 5%, rgba(88,221,218,.17), transparent 36%),
    linear-gradient(140deg, #122854, #0c1935 72%);
  box-shadow: 0 16px 40px rgba(17,38,84,.18);
}
.landing-kicker { color: #69e0da; }
.landing-principles div { border-color: rgba(173,199,241,.17); }
.landing-principles strong { color: #f6faff; }
.landing-principles p { color: #cad7ef; }
.landing-card,
.quick-link-grid a,
.topic-grid article {
  border-color: #dce4f4;
  background:
    radial-gradient(ellipse at 100% 0%, rgba(112,104,246,.055), transparent 70%),
    linear-gradient(165deg, #fff, #f9fbff);
  border-radius: 17px;
  box-shadow: 0 3px 13px rgba(24,47,89,.045);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.landing-card:hover,
.quick-link-grid a:hover,
.topic-grid article:hover {
  border-color: #a69ae9;
  background: linear-gradient(150deg, #fff, #f4f3ff);
  box-shadow: 0 12px 28px rgba(69,58,130,.11);
}
.landing-card-index,
.topic-grid article > span {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 32px;
  height: 32px;
  border-radius: 10px;
  color: #fff;
  font-size: .77rem;
  background: linear-gradient(145deg, #605bea, #3d5299);
}
.callout {
  border-left-color: #7564dd;
  background: #f2efff;
  color: #43396f;
}
.info-footer { color: #576982; }
.info-footer a { color: #493bb4; }
:is(.info-nav a, .landing-card, .quick-link-grid a, .action, .landing-search button):focus-visible {
  outline: 3px solid #38bdc7;
  outline-offset: 3px;
}
@media (max-width:720px) {
  .info-topbar { gap: 5px; align-items: flex-start; flex-wrap: wrap; }
  .info-brand { min-height: 42px; }
  .info-brand::before { flex-basis: 32px; width: 32px; height: 32px; }
  .info-nav { flex: 1 1 100%; justify-content: flex-start; gap: 1px 3px; }
  .info-nav a { min-height: 40px; padding: 6px 8px; font-size: .78rem; }
  .info-main { padding-top: 22px; }
  .landing-main, .explore-main { padding-top: 18px; }
  .landing-copy h1 { text-wrap: pretty; }
  .landing-card, .info-card { border-radius: 14px; }
}
@media (prefers-reduced-motion:reduce) {
  .action, .landing-card, .quick-link-grid a,
  .topic-grid article, .info-nav a { transition: none; }
  .action:hover, .landing-card:hover,
  .quick-link-grid a:hover { transform: none; }
}