:root {
  --ink: #0c2030;
  --navy: #081828;
  --panel: #102638;
  --mint: #69f1c6;
  --paper: #f4f8fa;
  --muted: #526774;
  --line: #d7e3e8;
  --white: #ffffff;
  --measure: 75ch;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Segoe UI', Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}

a {
  color: inherit;
  text-underline-offset: .25em;
}

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

button {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid #0f9b76;
  outline-offset: 5px;
}

img {
  display: block;
  max-width: 100%;
}

.wrap {
  width: min(1240px, calc(100% - 5rem));
  margin-inline: auto;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 30;
  padding: .75rem 1rem;
  background: var(--mint);
  color: var(--navy);
}

.skip:focus {
  top: 1rem;
}

.header {
  background: var(--navy);
  color: var(--white);
  border-bottom: 1px solid #ffffff18;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  min-height: 100px;
}

.brand {
  flex-shrink: 0;
  width: 205px;
}

.brand img {
  width: 100%;
  height: auto;
}

.navigation {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem 1.75rem;
}

.navigation a {
  font-size: .9rem;
  text-decoration: none;
  color: #d2dee6;
}

.navigation a:hover,
.navigation a[aria-current='page'] {
  color: var(--mint);
}

.menu-button {
  display: none;
  padding: .45rem .85rem;
  border: 1px solid #8da9b5;
  color: white;
  background: transparent;
  border-radius: 5px;
  cursor: pointer;
}

.hero {
  background: var(--navy);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.06fr 1fr;
  align-items: center;
  gap: 1.5rem;
  padding-top: 4.5rem;
  padding-bottom: 4.5rem;
}

.eyebrow {
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .13em;
  line-height: 1.6;
  color: var(--mint);
}

.hero h1 {
  margin: 1.3rem 0 1.5rem;
  font-size: clamp(2.5rem, 4.8vw, 4.25rem);
  letter-spacing: -.048em;
  font-weight: 650;
  line-height: 1.07;
  max-width: 13ch;
  overflow-wrap: anywhere;
}

.hero h1 .accent {
  color: var(--mint);
}

.hero-description {
  color: #b9cdd8;
  max-width: 48ch;
  line-height: 1.7;
  font-size: 1.06rem;
}

.hero-art {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 8px;
}

.hero-link {
  display: inline-block;
  margin-top: 1.25rem;
  padding: .8rem 1.3rem;
  background: var(--mint);
  color: var(--navy);
  font-weight: 650;
  text-decoration: none;
  border-radius: 4px;
}

.hero-link:hover {
  background: #a2ffdf;
}

.meta {
  display: flex;
  gap: .75rem 1.5rem;
  flex-wrap: wrap;
  font-size: .8rem;
  color: #acc5d1;
  margin-top: 1.75rem;
}

.scope-strip {
  background: var(--mint);
  color: var(--navy);
  padding: 1rem 0;
  font-size: .9rem;
  line-height: 1.5;
}

.scope-strip .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.scope-strip strong {
  font-weight: 650;
}

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.section-label {
  color: #187a62;
  letter-spacing: .12em;
  font-size: .8rem;
  font-weight: 650;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.2rem;
}

.section-head h2 {
  font-size: clamp(2rem, 3.3vw, 3rem);
  margin: .35rem 0 0;
  letter-spacing: -.04em;
  font-weight: 650;
  line-height: 1.2;
}

.section-head p {
  max-width: 37ch;
  margin: 0;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: white;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px #0a23300d;
}

.card img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.card-body {
  padding: 1.4rem;
}

.card-number {
  color: #347b69;
  font-size: .78rem;
  font-weight: 650;
  letter-spacing: .08em;
}

.card h3 {
  font-size: 1.35rem;
  margin: .55rem 0;
  letter-spacing: -.02em;
  line-height: 1.3;
}

.card p {
  font-size: .95rem;
  line-height: 1.6;
  margin: 0;
  color: var(--muted);
}

.card-read {
  display: block;
  margin-top: 1.1rem;
  font-size: .86rem;
  font-weight: 650;
  color: #147558;
}

.article-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 4.5rem;
  align-items: start;
  padding-top: 4.5rem;
  padding-bottom: 5rem;
}

.contents {
  position: sticky;
  top: 2rem;
  border-top: 3px solid var(--ink);
  padding-top: 1.1rem;
  line-height: 1.45;
}

.contents h2 {
  font-size: .95rem;
  margin: 0 0 1rem;
}

.contents ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contents li {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.contents a {
  display: block;
  padding: .75rem 0;
  text-decoration: none;
  font-size: .875rem;
  color: var(--muted);
}

.contents a:hover {
  color: #126c53;
}

.contents-note {
  font-size: .8rem;
  color: var(--muted);
  margin-top: 1.5rem;
}

.article {
  max-width: var(--measure);
  min-width: 0;
}

.article-section {
  margin-bottom: 2.8rem;
}

.article h2 {
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: -.025em;
  font-weight: 650;
  margin: 0 0 1.15rem;
}

.article p {
  margin: 0 0 1.2rem;
  color: #304a5b;
  font-size: 1.04rem;
  line-height: 1.85;
}

.article p:first-of-type {
  color: #203d50;
}

.key-box {
  background: #e1f3ed;
  border-left: 4px solid #149373;
  padding: 1.4rem 1.6rem;
  margin-bottom: 2.5rem;
}

.key-box .label {
  display: block;
  margin-bottom: .5rem;
  font-size: .78rem;
  letter-spacing: .1em;
  font-weight: 650;
  color: #12664f;
}

.key-box p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
}

.faq {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 1.1rem 0;
}

.faq summary {
  cursor: pointer;
  font-size: 1.06rem;
  line-height: 1.5;
  font-weight: 650;
}

.faq details p {
  margin: 1rem 0 .2rem;
  font-size: 1rem;
}

.related {
  background: #e9f0f3;
}

.related-links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.related-link {
  border-top: 2px solid #476472;
  padding-top: 1rem;
  text-decoration: none;
}

.related-link span {
  color: #397663;
  font-size: .8rem;
  letter-spacing: .06em;
}

.related-link strong {
  display: block;
  font-size: 1.35rem;
  margin-top: .4rem;
}

.footer {
  background: var(--navy);
  color: #c2d4df;
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 3rem;
}

.footer p {
  font-size: .9rem;
  max-width: 43ch;
}

.footer h2 {
  font-size: .9rem;
  color: white;
  margin: 0 0 .8rem;
}

.footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer li {
  margin: .35rem 0;
}

.footer a {
  font-size: .875rem;
  text-decoration: none;
}

.footer a:hover {
  color: var(--mint);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  border-top: 1px solid #ffffff20;
  padding-top: 1.25rem;
  margin-top: 2.5rem;
  font-size: .8rem;
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: #27b591;
  z-index: 40;
}

.back-top {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  border: 1px solid #486471;
  padding: .55rem .8rem;
  border-radius: 4px;
  background: var(--navy);
  color: white;
  font-size: .86rem;
  cursor: pointer;
}

.back-top[hidden] {
  display: none;
}

.policy-hero {
  padding: 3.5rem 0;
  background: var(--navy);
  color: white;
}

.policy-hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.8rem);
  letter-spacing: -.04em;
  line-height: 1.15;
  margin: .7rem 0 1rem;
}

.policy-hero p {
  color: #bfd2de;
  max-width: 62ch;
}

.policy-article {
  padding: 3.5rem 0 4rem;
  margin-inline: auto;
}

.bread {
  font-size: .86rem;
  color: #9dbecc;
  padding-top: 1rem;
}

@media (max-width: 1050px) {
  .wrap {
    width: calc(100% - 3rem);
  }

  .navigation {
    gap: .6rem 1rem;
  }

  .brand {
    width: 175px;
  }

  .hero-grid {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .article-shell {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 2.5rem;
  }
}

@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 2.25rem);
  }

  .header-inner {
    flex-wrap: wrap;
    min-height: 80px;
    gap: 0;
    padding: 1rem 0;
  }

  .brand {
    width: 165px;
  }

  .js .menu-button {
    display: block;
  }

  .navigation {
    width: 100%;
    padding-top: 1rem;
    gap: .5rem 1.25rem;
  }

  .js .navigation {
    display: none;
  }

  .js .navigation.is-open {
    display: flex;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    padding-top: 2.5rem;
    padding-bottom: 2rem;
    gap: 2.5rem;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 10vw, 4rem);
    max-width: 16ch;
  }

  .hero-description {
    max-width: 48ch;
  }

  .scope-strip .wrap {
    flex-direction: column;
    align-items: start;
    gap: .5rem;
  }

  .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .section-head {
    display: block;
  }

  .section-head p {
    margin-top: 1rem;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .card-body {
    padding: 1.15rem;
  }

  .card h3 {
    font-size: 1.15rem;
  }

  .article-shell {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .contents {
    position: static;
  }

  .contents ol {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 1.5rem;
  }

  .contents-note {
    margin-top: .9rem;
  }

  .article h2 {
    font-size: 1.65rem;
  }

  .article p {
    font-size: 1rem;
  }

  .related-links {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-intro {
    grid-column: 1 / -1;
  }
}

@media (max-width: 420px) {
  .cards {
    grid-template-columns: 1fr;
  }

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

  .hero h1 {
    font-size: 2.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .card {
    transition: none;
  }

  .card:hover {
    transform: none;
  }
}

@media print {
  .header, .hero-art, .contents, .related, .footer,
  .back-top, .reading-progress, .hero-link {
    display: none;
  }

  body, .hero, .scope-strip, .policy-hero {
    background: white;
    color: black;
  }

  .hero-description, .hero h1 .accent, .eyebrow {
    color: black;
  }

  .wrap {
    width: 100%;
  }

  .hero-grid, .article-shell {
    display: block;
    padding: 1rem 0;
  }

  .cards {
    display: none;
  }

  .article {
    max-width: none;
  }

  details > p {
    display: block !important;
  }
}
