:root {
  --ink: #102332;
  --ink-muted: #526472;
  --paper: #f2efe7;
  --paper-raised: #fbfaf6;
  --blue: #0c71a6;
  --blue-deep: #0b2538;
  --aqua: #52c7c0;
  --line: #c8d2d5;
  --amber: #d59436;
  --white: #ffffff;
  --shadow: 0 22px 55px rgba(11, 37, 56, 0.11);
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Songti SC", "STSong", Georgia, serif;
  --sans: "Avenir Next", Avenir, "Gill Sans", "Microsoft YaHei", sans-serif;
  --mono: "Cascadia Mono", "IBM Plex Mono", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(16, 35, 50, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 35, 50, 0.025) 1px, transparent 1px),
    var(--paper);
  background-size: 28px 28px;
  font-family: var(--sans);
  line-height: 1.72;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle at 88% 4%, rgba(82, 199, 192, 0.18), transparent 28rem);
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  color: var(--white);
  background: var(--blue-deep);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.masthead {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  width: min(1180px, calc(100% - 2rem));
  margin: 1.25rem auto 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand-mark {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  color: var(--white);
  background: var(--blue-deep);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.brand-copy p {
  margin: 0;
}

.eyebrow,
.kicker,
.section-label,
.contents > p,
.policy-meta dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.brand-name {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
}

.language-switch {
  display: flex;
  gap: 0.25rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  background: rgba(251, 250, 246, 0.7);
}

.language-button {
  border: 0;
  padding: 0.55rem 0.8rem;
  color: var(--ink-muted);
  background: transparent;
  font: 700 0.78rem var(--sans);
  cursor: pointer;
}

.language-button.is-active {
  color: var(--white);
  background: var(--blue-deep);
}

main,
footer {
  width: min(1180px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(4rem, 0.25fr) minmax(0, 1.5fr) minmax(15rem, 0.65fr);
  gap: clamp(1.5rem, 4vw, 4.5rem);
  align-items: end;
  padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 7vw, 6rem);
}

.hero-index {
  align-self: start;
  color: var(--blue);
  font: 700 clamp(3rem, 8vw, 7.5rem)/0.8 var(--serif);
  opacity: 0.18;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--blue);
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 9ch;
  margin: 0;
  font: 700 clamp(4rem, 11vw, 9.6rem)/0.88 var(--serif);
  letter-spacing: -0.075em;
}

.hero-summary {
  max-width: 44rem;
  margin: 2rem 0 0;
  color: var(--ink-muted);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.policy-meta {
  margin: 0;
  border-top: 4px solid var(--blue-deep);
  background: var(--paper-raised);
  box-shadow: var(--shadow);
}

.policy-meta div {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
}

.policy-meta div:last-child {
  border-bottom: 0;
}

.policy-meta dt {
  color: var(--ink-muted);
}

.policy-meta dd {
  margin: 0.2rem 0 0;
  font-weight: 700;
}

code {
  font-family: var(--mono);
  font-size: 0.82em;
}

.at-a-glance {
  display: grid;
  grid-template-columns: minmax(8rem, 0.3fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 2rem;
  color: var(--white);
  background: var(--blue-deep);
}

.section-label {
  display: flex;
  gap: 0.8rem;
  align-items: baseline;
  color: rgba(255, 255, 255, 0.6);
}

.section-label h2 {
  margin: 0;
  color: var(--white);
  font: inherit;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.18);
}

.summary-grid article {
  padding: 1.5rem;
  background: var(--blue-deep);
}

.summary-grid h3 {
  margin: 1rem 0 0.35rem;
  font: 700 1.4rem var(--serif);
}

.summary-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.status-dot {
  display: block;
  width: 0.75rem;
  height: 0.75rem;
  border: 2px solid var(--aqua);
  border-radius: 50%;
}

.status-dot--clear {
  background: var(--aqua);
}

.status-dot--choice {
  border-color: var(--amber);
  background: var(--amber);
}

.policy-layout {
  display: grid;
  grid-template-columns: minmax(12rem, 0.28fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.contents {
  position: sticky;
  top: 2rem;
  align-self: start;
  border-top: 3px solid var(--blue);
}

.contents > p {
  margin: 1rem 0;
  color: var(--blue);
}

.contents ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: policy-nav;
}

.contents li {
  counter-increment: policy-nav;
  border-top: 1px solid var(--line);
}

.contents a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.45rem;
  padding: 0.65rem 0;
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 0.84rem;
}

.contents a::before {
  content: "0" counter(policy-nav);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.contents a:hover {
  color: var(--ink);
}

.policy-document {
  min-width: 0;
}

.policy-section {
  display: grid;
  grid-template-columns: 3.25rem minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 0 0 clamp(4rem, 7vw, 6rem);
}

.rail-number {
  position: relative;
  padding-top: 0.5rem;
  color: var(--blue);
  font: 700 0.75rem var(--mono);
  text-align: center;
}

.rail-number::after {
  content: "";
  position: absolute;
  top: 2.25rem;
  bottom: calc(-6rem + 0.8rem);
  left: 50%;
  width: 1px;
  background: linear-gradient(var(--blue), var(--aqua));
}

.policy-section:last-child .rail-number::after {
  display: none;
}

.section-body {
  max-width: 48rem;
}

.section-body > h2 {
  margin: 0 0 1.5rem;
  font: 700 clamp(2rem, 4vw, 3.3rem)/1.05 var(--serif);
  letter-spacing: -0.035em;
}

.section-body h3 {
  margin: 0 0 0.45rem;
  font: 700 1.15rem var(--serif);
}

.section-body p,
.section-body li {
  color: var(--ink-muted);
}

.section-body strong {
  color: var(--ink);
}

.section-body ul {
  padding-left: 1.2rem;
}

.section-body li + li {
  margin-top: 0.7rem;
}

.permission-list {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.permission-list article {
  padding: 1.25rem 1.4rem;
  border-left: 3px solid var(--aqua);
  background: rgba(255, 255, 255, 0.58);
}

.permission-list p {
  margin: 0;
}

.policy-section--contact .section-body {
  padding: clamp(1.5rem, 4vw, 3rem);
  color: var(--white);
  background: var(--blue);
  box-shadow: var(--shadow);
}

.policy-section--contact .section-body h2,
.policy-section--contact .section-body p {
  color: var(--white);
}

.contact-link {
  display: inline-flex;
  justify-content: space-between;
  gap: 2rem;
  min-width: min(100%, 20rem);
  margin-top: 1rem;
  padding: 0.8rem 1rem;
  color: var(--blue-deep);
  background: var(--white);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.contact-link:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--blue-deep);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.8rem;
}

footer p {
  margin: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-copy,
  .policy-meta,
  .hero-index {
    animation: rise 600ms both;
  }

  .policy-meta {
    animation-delay: 110ms;
  }

  .hero-index {
    animation-delay: 180ms;
  }

  @keyframes rise {
    from {
      opacity: 0;
      transform: translateY(18px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 3rem 1fr;
  }

  .policy-meta {
    grid-column: 1 / -1;
  }

  .at-a-glance,
  .policy-layout {
    grid-template-columns: 1fr;
  }

  .contents {
    position: static;
  }

  .contents ol {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 1rem;
  }
}

@media (max-width: 560px) {
  .masthead {
    grid-template-columns: auto 1fr;
  }

  .language-switch {
    grid-column: 1 / -1;
  }

  .language-button {
    flex: 1;
  }

  .hero {
    display: block;
    padding-top: 4rem;
  }

  .hero-index {
    margin-bottom: 1.5rem;
  }

  h1 {
    font-size: clamp(4rem, 24vw, 6rem);
  }

  .policy-meta {
    margin-top: 2.5rem;
  }

  .at-a-glance {
    padding: 1.25rem;
  }

  .summary-grid,
  .contents ol {
    grid-template-columns: 1fr;
  }

  .policy-section {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 0.7rem;
  }

  footer {
    display: block;
  }

  footer p + p {
    margin-top: 0.5rem;
  }
}

@media print {
  body {
    background: var(--white);
  }

  .masthead,
  .contents,
  .language-switch,
  .contact-link {
    display: none;
  }

  main,
  footer {
    width: 100%;
  }

  .hero,
  .policy-layout {
    display: block;
  }

  .policy-meta,
  .policy-section--contact .section-body {
    color: var(--ink);
    background: transparent;
    box-shadow: none;
  }

  .policy-section--contact .section-body h2,
  .policy-section--contact .section-body p {
    color: var(--ink);
  }
}