:root {
  color-scheme: light dark;
  --bg: #07111f;
  --surface: #0d1b2d;
  --surface-strong: #13243a;
  --text: #f6f8fb;
  --muted: #aab6c7;
  --line: #263950;
  --accent: #44d7ae;
  --accent-strong: #23b98f;
  --warning: #ff7a45;
  --max-width: 860px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 90% 0%, rgba(68, 215, 174, 0.13), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

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

a:hover {
  color: #7ce8ca;
}

.site-header,
.site-footer,
main {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: 0.75rem;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  color: #04261d;
  font-weight: 900;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.9rem;
  font-size: 0.94rem;
}

.top-nav a {
  color: var(--muted);
  text-decoration: none;
}

.top-nav a:hover {
  color: var(--text);
}

.hero {
  padding: clamp(3rem, 9vw, 6.5rem) 0 2.5rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.18;
}

h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 4.5rem);
  letter-spacing: -0.045em;
}

h2 {
  margin: 2.4rem 0 0.7rem;
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  letter-spacing: -0.02em;
}

h3 {
  margin: 1.5rem 0 0.4rem;
  font-size: 1.1rem;
}

p,
ul {
  margin-block: 0.75rem;
}

li + li {
  margin-top: 0.45rem;
}

.lead {
  max-width: 690px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.5vw, 1.25rem);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-bottom: 4rem;
}

.card,
.document {
  border: 1px solid var(--line);
  background: rgba(13, 27, 45, 0.9);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}

.card {
  padding: 1.5rem;
  border-radius: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.card:hover {
  border-color: var(--accent-strong);
  transform: translateY(-2px);
}

.card h2 {
  margin-top: 0;
}

.card p {
  color: var(--muted);
}

.document {
  margin-bottom: 4rem;
  padding: clamp(1.25rem, 5vw, 3.5rem);
  border-radius: 1.5rem;
}

.document-title {
  margin-top: 1.1rem;
  font-size: clamp(2rem, 6vw, 3.25rem);
}

.meta,
.note,
.muted {
  color: var(--muted);
}

.note {
  margin-block: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--accent);
  border-radius: 0.35rem;
  background: var(--surface-strong);
}

.warning {
  border-left-color: var(--warning);
}

.language-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.language-button {
  min-height: 2.65rem;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
}

.language-button:hover,
.language-button[aria-pressed="true"] {
  border-color: var(--accent);
  background: rgba(68, 215, 174, 0.12);
  color: var(--text);
}

[data-language-panel][hidden] {
  display: none;
}

.contact-box {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface-strong);
}

.contact-box address {
  font-style: normal;
}

.site-footer {
  padding-block: 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .top-nav {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 2.5rem;
  }

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

@media (prefers-reduced-motion: no-preference) {
  .card,
  .language-button {
    transition: 160ms ease;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f8f7;
    --surface: #ffffff;
    --surface-strong: #edf5f2;
    --text: #10211d;
    --muted: #526660;
    --line: #cedcd7;
    --accent: #087f61;
    --accent-strong: #0b9471;
  }

  body {
    background:
      radial-gradient(circle at 90% 0%, rgba(35, 185, 143, 0.13), transparent 30rem),
      var(--bg);
  }

  .card,
  .document {
    background: rgba(255, 255, 255, 0.94);
  }
}