:root {
  color-scheme: light;
  --ink: #17251b;
  --muted: #536057;
  --green: #2e7d32;
  --green-dark: #195b24;
  --green-soft: #e8f4e9;
  --line: #d7e3d7;
  --surface: #ffffff;
  --background: #f6f8f4;
  font-family: Tahoma, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--background); color: var(--ink); line-height: 1.85; }
a { color: var(--green-dark); }
.site-header, main, footer { width: min(1080px, calc(100% - 40px)); margin-inline: auto; }
.site-header { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 1.25rem; font-weight: 800; }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 13px; background: var(--green); color: white; font-size: 1.7rem; }
nav { display: flex; flex-wrap: wrap; gap: 20px; }
nav a { color: var(--muted); text-decoration: none; font-weight: 700; }
nav a:hover, nav a:focus-visible { color: var(--green); }
.hero { margin-top: 42px; padding: clamp(32px, 7vw, 80px); border: 1px solid var(--line); border-radius: 28px; background: radial-gradient(circle at 15% 10%, #d8efda 0, transparent 34%), var(--surface); box-shadow: 0 18px 50px rgba(35, 72, 40, .08); }
.eyebrow { color: var(--green); font-weight: 800; }
h1 { max-width: 800px; margin: 10px 0 18px; font-size: clamp(2.25rem, 7vw, 4.7rem); line-height: 1.18; }
.hero p { max-width: 760px; margin: 0; color: var(--muted); font-size: 1.18rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 14px; text-decoration: none; font-weight: 800; }
.primary { background: var(--green); color: white; }
.primary:hover, .primary:focus-visible { background: var(--green-dark); }
.secondary { border: 1px solid var(--line); background: white; }
.features, .english { padding-block: 72px 24px; }
h2 { margin: 0 0 22px; font-size: clamp(1.55rem, 4vw, 2.2rem); line-height: 1.35; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid article { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); }
h3 { margin: 0 0 6px; font-size: 1.15rem; }
.grid p { margin: 0; color: var(--muted); }
.english { margin-top: 48px; border-top: 1px solid var(--line); }
.english p { color: var(--muted); font-size: 1.08rem; }
.text-link, .contact { font-weight: 800; }
.policy-shell { display: grid; gap: 24px; padding-block: 42px 72px; }
.policy { padding: clamp(24px, 6vw, 60px); border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
.policy h1 { font-size: clamp(2rem, 6vw, 3.6rem); }
.policy h2 { margin-top: 34px; margin-bottom: 8px; font-size: 1.35rem; }
.policy p { margin: 0 0 14px; color: #334139; }
.english-policy { margin-top: 20px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding-block: 30px 48px; border-top: 1px solid var(--line); color: var(--muted); direction: ltr; }

@media (max-width: 680px) {
  .site-header { align-items: flex-start; padding-block: 18px; }
  nav { justify-content: flex-end; gap: 12px; }
  .hero { margin-top: 18px; border-radius: 22px; }
  .grid { grid-template-columns: 1fr; }
  .features, .english { padding-top: 48px; }
  footer { flex-direction: column; }
}

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