/* TRAVEL_MVP_SITE_001 - single stylesheet, no framework, no web fonts.
   Mobile-first. System font stack so there is no font request to block render. */

:root {
  --ink: #10202e;
  --ink-muted: #4a5b6b;
  --paper: #ffffff;
  --paper-alt: #f4f6f8;
  --line: #d5dde4;
  --brand: #0f2b46;
  --brand-accent: #1a5f8a;
  --accent-ink: #ffffff;
  --ok: #14532d;
  --ok-bg: #e7f4ea;
  --no: #7a1d1d;
  --no-bg: #fbeaea;
  --partial: #6b4708;
  --partial-bg: #fbf1dc;
  --warn-bg: #fdf3e3;
  --warn-line: #c98a12;
  --unknown-bg: #eef1f4;
  --radius: 10px;
  --wrap: 68rem;
  --measure: 42rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

/* Native document navigation: keep the old frame opaque beneath the new one. */
@view-transition {
  navigation: auto;
}

::view-transition-group(*) {
  animation-duration: 180ms;
}

::view-transition-old(root) {
  animation: none;
  mix-blend-mode: normal;
}

::view-transition-new(root) {
  animation: ticketbrief-enter 180ms ease-out both;
  mix-blend-mode: normal;
}

@keyframes ticketbrief-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* One shared snapshot keeps the brand and primary navigation stable together. */
.site-header {
  view-transition-name: ticketbrief-header;
}

::view-transition-old(ticketbrief-header),
::view-transition-new(ticketbrief-header) {
  animation: none;
}

@media (prefers-reduced-motion: reduce) {
  @view-transition {
    navigation: none;
  }

  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1rem;
}

a {
  color: var(--brand-accent);
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid #b45309;
  outline-offset: 2px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: var(--accent-ink);
  padding: 0.6rem 1rem;
  z-index: 10;
}

.skip-link:focus {
  left: 0;
}

code {
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.05em 0.35em;
  font-size: 0.92em;
  overflow-wrap: anywhere;
}

/* ---------- header / nav ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 5;
}

.site-header__inner {
  padding-block: 0.75rem;
}

.brand {
  margin: 0 0 0.5rem;
  line-height: 1.2;
}

.brand a {
  text-decoration: none;
  color: inherit;
  display: block;
}

.brand__name {
  display: block;
  font-size: 1.3rem;
  font-weight: 750;
  letter-spacing: -0.015em;
  color: var(--brand);
}

.brand__tagline {
  display: block;
  font-size: 0.83rem;
  color: var(--ink-muted);
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0.9rem;
}

.site-nav__list a {
  display: inline-block;
  padding: 0.2rem 0;
  font-size: 0.95rem;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  border-bottom-color: var(--brand-accent);
}

.site-nav__list a[aria-current="page"] {
  color: var(--brand);
  font-weight: 650;
  border-bottom-color: var(--brand);
}

/* ---------- page ---------- */

main {
  padding-block: 1.5rem 3rem;
}

main:focus {
  outline: none;
}

.page__header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.page__title {
  font-size: clamp(1.55rem, 1.1rem + 2.2vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  max-width: 30ch;
}

.page__meta {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.prose {
  max-width: var(--measure);
  margin: 0 0 1rem;
}

.section__title {
  font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 2.25rem 0 0.75rem;
  scroll-margin-top: 7rem;
}

.section__title--3 {
  font-size: clamp(1.08rem, 1rem + 0.5vw, 1.25rem);
  margin-top: 1.75rem;
}

.anchor {
  color: inherit;
  text-decoration: none;
}

.anchor:hover,
.anchor:focus-visible {
  text-decoration: underline;
}

/* Section permalink. The glyph is decorative; the anchor has its own accessible name. */
.section__title .anchor {
  margin-left: 0.4em;
  font-weight: 400;
  opacity: 0.5;
}

.section__title .anchor:hover,
.section__title .anchor:focus-visible {
  opacity: 1;
}

/* ---------- contact ---------- */

.contact__address {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

/* ---------- quick answer ---------- */

.quick {
  border: 1px solid var(--brand-accent);
  border-left-width: 5px;
  border-radius: var(--radius);
  background: #f2f7fb;
  padding: 1rem;
  margin: 1.5rem 0 2rem;
}

.quick__title {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  color: var(--brand);
}

.quick__list {
  margin: 0;
  display: grid;
  gap: 0.6rem;
}

.quick__row {
  display: grid;
  gap: 0.1rem;
}

.quick__row dt {
  font-weight: 650;
}

.quick__row dd {
  margin: 0;
  color: var(--ink-muted);
}

@media (min-width: 44rem) {
  .quick__row {
    grid-template-columns: 15rem 1fr;
    gap: 1rem;
    align-items: baseline;
  }
}

/* ---------- tables ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 1rem 0 0.5rem;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 34rem;
  font-size: 0.95rem;
}

caption {
  caption-side: top;
  text-align: left;
  padding: 0.75rem 0.85rem;
  font-weight: 650;
  color: var(--brand);
  background: var(--paper-alt);
  border-bottom: 1px solid var(--line);
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line);
}

thead th {
  background: #eaeff4;
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
}

tbody th,
td.col-key {
  font-weight: 600;
}

tbody tr:last-child th,
tbody tr:last-child td {
  border-bottom: 0;
}

.table__note {
  margin: 0.4rem 0 1.5rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  max-width: var(--measure);
}

.mark {
  display: inline-block;
  padding: 0.05em 0.5em;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 600;
  white-space: nowrap;
}

.mark--yes {
  background: var(--ok-bg);
  color: var(--ok);
}

.mark--no {
  background: var(--no-bg);
  color: var(--no);
}

.mark--partial {
  background: var(--partial-bg);
  color: var(--partial);
}

.mark--unknown {
  background: var(--unknown-bg);
  color: var(--ink-muted);
}

/* ---------- decision box ---------- */

.decision {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-alt);
  padding: 1rem;
  margin: 1.75rem 0;
}

.decision__title {
  margin: 0 0 0.75rem;
  font-size: 1.08rem;
  color: var(--brand);
}

.decision__list {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.85rem;
}

.decision__item p {
  margin: 0;
}

.decision__if {
  color: var(--ink-muted);
  font-size: 0.93rem;
}

.decision__then {
  font-weight: 650;
  color: var(--brand);
}

.decision__why {
  font-size: 0.93rem;
}

/* ---------- lists ---------- */

.list {
  max-width: var(--measure);
  padding-left: 1.25rem;
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1rem;
}

/* ---------- callouts ---------- */

.callout {
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
  border: 1px solid var(--line);
  background: var(--unknown-bg);
}

.callout p {
  margin: 0;
}

.callout__title {
  font-weight: 650;
  margin-bottom: 0.3rem !important;
}

.callout--warn {
  background: var(--warn-bg);
  border-color: var(--warn-line);
}

.callout--note {
  background: #eef5fb;
  border-color: #9cc3e0;
}

/* ---------- CTA ---------- */

.cta {
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
  border: 1px solid var(--line);
  background: var(--paper-alt);
}

.cta--affiliate {
  border-color: var(--brand-accent);
  background: #f2f7fb;
}

.cta__kicker {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  color: var(--brand);
}

.cta__body {
  margin: 0 0 0.75rem;
  font-size: 0.93rem;
  color: var(--ink-muted);
}

.btn {
  display: inline-block;
  background: var(--brand);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 650;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--brand);
}

.btn:hover {
  background: #17395a;
}

.btn--primary {
  background: var(--brand-accent);
  border-color: var(--brand-accent);
}

.btn--primary:hover {
  background: #14506f;
}

/* ---------- FAQ ---------- */

.faq {
  max-width: var(--measure);
  margin: 1rem 0 1.5rem;
  border-top: 1px solid var(--line);
}

.faq__item {
  border-bottom: 1px solid var(--line);
  padding: 0.35rem 0;
}

.faq__q {
  cursor: pointer;
  font-weight: 650;
  padding: 0.5rem 0;
  color: var(--brand);
}

.faq__q:hover {
  text-decoration: underline;
}

.faq__a p {
  margin: 0 0 0.75rem;
}

/* ---------- checklist ---------- */

.checklist {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-alt);
  padding: 1rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
}

.checklist__title {
  margin: 0 0 0.6rem;
  font-size: 1.05rem;
  color: var(--brand);
}

.checklist ul {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

/* ---------- related ---------- */

.related {
  margin: 2rem 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.related__title {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--brand);
}

.related__list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.35rem;
}

/* ---------- sources ---------- */

.sources {
  margin: 2.5rem 0 0;
  padding: 1rem;
  border-top: 3px solid var(--brand);
  background: var(--paper-alt);
  border-radius: 0 0 var(--radius) var(--radius);
}

.sources__intro {
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  max-width: var(--measure);
}

.sources__list {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.4rem;
  font-size: 0.92rem;
}

.sources__note {
  color: var(--ink-muted);
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-alt);
  padding-block: 1.5rem 2.5rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

.site-footer__brand {
  font-weight: 650;
  color: var(--ink);
  margin: 0 0 0.5rem;
}

.site-footer__nav p {
  margin: 0 0 0.75rem;
}

.site-footer__note {
  margin: 0 0 0.5rem;
  max-width: var(--measure);
}

@media (min-width: 44rem) {
  .site-header__inner {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
  }

  .brand {
    margin: 0;
  }
}