:root {
  --bg: #f6f4ef;
  --surface: #ffffff;
  --text: #1b1d1f;
  --muted: #5d6368;
  --accent: #0f5c4d;
  --accent-soft: #e2efe9;
  --line: #e2ded4;
  --todo: #fff3c4;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }

header.site {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
}

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.brand span { color: var(--accent); }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 20px;
  font-size: 0.95rem;
}
nav a:hover { color: var(--accent); }

.hero { padding: 72px 0 56px; }
.hero h1 {
  font-size: clamp(2.1rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  max-width: 16ch;
}
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 56ch; margin: 0 0 30px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 13px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.12); }

section { padding: 44px 0; border-top: 1px solid var(--line); }
section h2 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 0 0 22px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.card h3 { margin: 0 0 8px; font-size: 1.08rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

.contact {
  background: var(--accent-soft);
  border-radius: 18px;
  padding: 34px 28px;
  border: 0;
  margin: 12px 0 48px;
}
.contact h2 { margin-bottom: 10px; }
.contact p { margin: 0 0 20px; color: var(--muted); }

footer.site {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
footer.site a { color: var(--muted); margin-left: 16px; }
footer.site a:first-child { margin-left: 0; }

.legal { padding: 30px 0 60px; }
.legal h1 { font-size: 2rem; letter-spacing: -0.02em; }
.legal h2 { font-size: 1.2rem; margin-top: 32px; }
.legal p, .legal li { color: #33383c; }

.todo { background: var(--todo); padding: 1px 6px; border-radius: 4px; }

@media (max-width: 560px) {
  nav a { margin-left: 14px; font-size: 0.9rem; }
  .hero { padding: 44px 0 40px; }
}