:root {
  color-scheme: light;
  --ink: #153833;
  --muted: #617873;
  --line: #d9e7e3;
  --mint: #e6f6f1;
  --accent: #227e70;
  --paper: #fbfdfc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: linear-gradient(180deg, #eef9f5 0, var(--paper) 320px);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

a { color: var(--accent); }

.shell { width: min(880px, calc(100% - 32px)); margin: 0 auto; }

header { padding: 28px 0 18px; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-weight: 800; }
.mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 13px; background: var(--ink); color: white; }

main { padding: 30px 0 72px; }

.hero, .card {
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(21,56,51,.07);
}

.hero { padding: clamp(28px, 6vw, 58px); margin-bottom: 22px; }
.card { padding: clamp(22px, 4vw, 38px); margin: 16px 0; }

.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(38px, 8vw, 64px); line-height: 1.05; letter-spacing: -.04em; }
h2 { margin: 0 0 10px; font-size: 24px; line-height: 1.3; }
h3 { margin: 28px 0 8px; font-size: 19px; }
p { margin: 8px 0 14px; }
.lead, .meta { color: var(--muted); }
.lead { max-width: 660px; font-size: 18px; }
.meta { font-size: 14px; }

.nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--line); border-radius: 999px; background: white; color: var(--ink); font-weight: 750; text-decoration: none; }
.button.primary { background: var(--ink); border-color: var(--ink); color: white; }

.language-switch { display: flex; gap: 8px; margin: 18px 0; }
.language-switch button { padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: white; color: var(--ink); cursor: pointer; font-weight: 700; }
.language-switch button.active { background: var(--ink); color: white; }
[data-language] { display: none; }
[data-language].active { display: block; }

.contact { padding: 18px; border-radius: 18px; background: var(--mint); }
footer { padding: 24px 0 44px; color: var(--muted); font-size: 13px; }

@media (max-width: 560px) {
  .shell { width: min(100% - 22px, 880px); }
  header { padding-top: 18px; }
  .hero, .card { border-radius: 20px; }
}
