:root {
  color-scheme: light;
  --ink: #1d2525;
  --muted: #5f6b6b;
  --line: #dfe6e3;
  --brand: #28615a;
  --paper: #f8faf7;
  --panel: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}

header,
main,
footer {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0;
  font-size: 0.95rem;
}

nav a,
footer a,
.language-switcher a {
  color: var(--brand);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
}

.language-switcher {
  display: inline-flex;
  flex: 0 0 auto;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  font-size: 0.9rem;
}

.language-switcher a,
.language-switcher span {
  padding: 4px 8px;
  border-radius: 5px;
}

.language-switcher span {
  color: var(--panel);
  background: var(--brand);
}

.brand {
  margin: 0 0 8px;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.subtitle {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

main {
  padding: 28px 0 56px;
}

section {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  margin: 18px 0 8px;
  font-size: 1rem;
  letter-spacing: 0;
}

p,
ul,
ol {
  margin: 0 0 14px;
}

ul,
ol {
  padding-left: 1.35rem;
}

li + li {
  margin-top: 6px;
}

.notice {
  padding: 16px;
  margin: 20px 0 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.email {
  white-space: nowrap;
}

footer {
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .topbar {
    display: block;
  }

  .language-switcher {
    margin-top: 16px;
  }
}