:root {
  color-scheme: light;
  --ink: #10242d;
  --muted: #52666f;
  --navy: #062f43;
  --teal: #087d75;
  --teal-dark: #05655f;
  --signal: #f3a11b;
  --canvas: #f4f8f7;
  --surface: #ffffff;
  --line: #d7e3e1;
  --soft: #e6f3f1;
  --warning: #fff4dc;
  --shadow: 0 18px 45px rgba(6, 47, 67, 0.10);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
}

a {
  color: var(--teal-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.14em;
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid #a84f00;
  outline-offset: 4px;
  border-radius: 0.3rem;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  transform: translateY(-180%);
  padding: 0.7rem 1rem;
  border-radius: 0.65rem;
  background: var(--navy);
  color: #fff;
  font-weight: 700;
}

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

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.page,
.footer-inner {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--navy);
  font-size: 1.13rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 0.65rem;
  background: linear-gradient(145deg, var(--navy), var(--teal));
  color: #fff;
  box-shadow: 0 5px 14px rgba(6, 47, 67, 0.18);
}

.brand-mark::before {
  content: "✓";
  font-size: 1.15rem;
  font-weight: 900;
}

.primary-nav,
.language-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.primary-nav a,
.language-nav a {
  display: inline-block;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.primary-nav a:hover,
.language-nav a:hover {
  background: var(--soft);
}

.primary-nav a[aria-current="page"],
.language-nav a[aria-current="page"] {
  background: var(--navy);
  color: #fff;
}

.language-strip {
  padding: 0.75rem 0;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.language-strip .language-nav {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
}

.page {
  padding-block: clamp(2rem, 6vw, 5rem);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(16rem, 0.75fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 5rem);
  padding: clamp(1.7rem, 5vw, 4rem);
  overflow: hidden;
  border-radius: 1.5rem;
  background: linear-gradient(145deg, var(--navy), #07536a);
  color: #fff;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--teal-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #b8f0e8;
}

h1,
h2,
h3 {
  line-height: 1.17;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.15rem, 7vw, 4.6rem);
  letter-spacing: -0.045em;
}

h2 {
  margin-top: 2.4rem;
  font-size: clamp(1.45rem, 4vw, 2rem);
}

h3 {
  font-size: 1.08rem;
}

.hero p {
  max-width: 46rem;
  color: #e7f5f3;
  font-size: clamp(1.03rem, 2vw, 1.2rem);
}

.hero-badge {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  max-width: 19rem;
  margin-inline: auto;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 28%;
  background: rgba(255, 255, 255, 0.11);
}

.hero-badge strong {
  font-size: clamp(3rem, 12vw, 7rem);
  letter-spacing: -0.08em;
}

.hero-badge::after {
  content: "";
  position: absolute;
  top: 15%;
  right: 15%;
  width: 12%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--signal);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.7rem 1rem;
  border: 2px solid transparent;
  border-radius: 0.75rem;
  background: var(--surface);
  color: var(--navy);
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.6);
  background: transparent;
  color: #fff;
}

.section-intro {
  max-width: 47rem;
  color: var(--muted);
  font-size: 1.06rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 7px 24px rgba(6, 47, 67, 0.05);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.card p:last-child {
  margin-bottom: 0;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 2rem;
}

.language-card {
  display: block;
  padding: 1.2rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--ink);
  font-weight: 750;
  text-align: center;
  text-decoration: none;
}

.language-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.notice {
  margin-block: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 0.35rem solid var(--signal);
  border-radius: 0.65rem;
  background: var(--warning);
  color: #432f08;
}

.prose {
  max-width: 52rem;
  margin-inline: auto;
  padding: clamp(1.25rem, 5vw, 3.5rem);
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.prose > h1 {
  color: var(--navy);
  font-size: clamp(2rem, 6vw, 3.4rem);
}

.meta {
  margin-bottom: 2rem;
  color: var(--muted);
}

.prose section + section {
  padding-top: 0.25rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

details {
  margin-block: 0.75rem;
  padding: 0.2rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
}

summary {
  cursor: pointer;
  padding-block: 0.8rem;
  color: var(--navy);
  font-weight: 750;
}

.site-footer {
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-inner p {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 50rem) {
  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
  }

  .hero {
    grid-template-columns: 1fr;
  }

  .hero-badge {
    width: min(65vw, 15rem);
  }

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

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

@media (max-width: 27rem) {
  .header-inner,
  .page,
  .footer-inner,
  .language-strip .language-nav {
    width: min(100% - 1rem, 70rem);
  }

  .primary-nav a,
  .language-nav a {
    padding-inline: 0.5rem;
  }

  .language-grid {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .skip-link,
  .site-header,
  .language-strip,
  .site-footer,
  .button-row {
    display: none;
  }

  body,
  .prose {
    background: #fff;
  }

  .page,
  .prose {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}