:root {
  --ink: #14202b;
  --muted: #5a6772;
  --brand: #1f6b4e;
  --brand-dark: #154a36;
  --bg: #f7f5f0;
  --card: #ffffff;
  --rule: #e5e1d6;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--card);
  border-bottom: 1px solid var(--rule);
}
.site-header .brand { font-weight: 700; font-size: 1.25rem; color: var(--brand); }
.site-header nav a { color: var(--ink); text-decoration: none; margin-left: 1.25rem; font-weight: 500; }
.site-header nav a.cta { color: var(--brand); }

.hero {
  background: linear-gradient(135deg, #1f6b4e 0%, #154a36 100%);
  color: #fff;
  padding: 5rem 2rem;
}
.hero-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.hero h1 { font-size: 2.6rem; margin: 0 0 0.75rem; line-height: 1.15; }
.hero p { font-size: 1.15rem; opacity: 0.92; margin: 0 0 1.5rem; }

.btn {
  display: inline-block;
  background: #fff;
  color: var(--brand-dark);
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

section { padding: 4rem 2rem; }
section h2 { font-size: 1.9rem; margin: 0 0 2rem; text-align: center; }

.services .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  max-width: 1080px;
  margin: 0 auto;
}
.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.5rem;
}
.card h3 { margin: 0 0 0.5rem; color: var(--brand); }
.card p { margin: 0; color: var(--muted); }

.about { max-width: 760px; margin: 0 auto; }
.about ul { list-style: none; padding: 0; }
.about li { padding: 0.5rem 0; border-bottom: 1px solid var(--rule); }
.about li:last-child { border-bottom: none; }

.contact { background: var(--card); border-top: 1px solid var(--rule); text-align: center; }
.contact p { color: var(--muted); margin: 0 0 1.5rem; }
.contact .btn { background: var(--brand); color: #fff; }

footer { padding: 2rem; text-align: center; color: var(--muted); font-size: 0.9rem; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.9rem; }
  .site-header { flex-direction: column; gap: 0.5rem; }
  .site-header nav a { margin-left: 0.75rem; }
}