:root {
  --brand: #0e6e4f;
  --brand-dark: #0a533c;
  --ink: #1c2b26;
  --muted: #5a6b64;
  --bg: #ffffff;
  --bg-soft: #f3f7f5;
  --line: #e2e9e5;
  --accent: #d97706;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky; top: 0; z-index: 10;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.brand {
  font-size: 1.35rem; font-weight: 700; color: var(--brand-dark);
  text-decoration: none; letter-spacing: -0.01em;
}
.main-nav { display: flex; gap: 28px; align-items: center; }
.main-nav a { color: var(--ink); text-decoration: none; font-size: 0.95rem; }
.main-nav a:hover { color: var(--brand); }

.btn {
  display: inline-block; background: var(--brand); color: #fff;
  padding: 12px 26px; border-radius: 6px; text-decoration: none;
  font-size: 1rem; font-weight: 600;
}
.btn:hover { background: var(--brand-dark); }
.btn-small { padding: 8px 18px; font-size: 0.9rem; }

.hero {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  padding: 84px 0 64px; text-align: center;
}
.hero h1 { font-size: 2.6rem; line-height: 1.15; max-width: 720px; margin: 0 auto 18px; color: var(--brand-dark); }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 560px; margin: 0 auto 30px; }
.hero .btn { margin: 0 6px; }

.section { padding: 64px 0; }
.section h2 { font-size: 1.9rem; color: var(--brand-dark); margin-bottom: 10px; }
.section .lead { color: var(--muted); margin-bottom: 34px; max-width: 640px; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.service-card {
  border: 1px solid var(--line); border-radius: 8px; padding: 24px;
  background: var(--bg);
}
.service-card h3 { font-size: 1.15rem; color: var(--brand-dark); margin-bottom: 8px; }
.service-card p { font-size: 0.95rem; color: var(--muted); }

.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 22px; }
.why-item { border-left: 3px solid var(--brand); padding: 6px 0 6px 18px; }
.why-item h3 { font-size: 1.05rem; color: var(--brand-dark); }
.why-item p { font-size: 0.95rem; color: var(--muted); }

.site-footer {
  border-top: 1px solid var(--line); background: var(--bg-soft);
  padding: 40px 0; margin-top: 40px; color: var(--muted); font-size: 0.92rem;
}
.site-footer .footer-note { margin-top: 12px; font-size: 0.85rem; color: var(--muted); }

/* Blog */
.post-list { list-style: none; }
.post-list li { border-bottom: 1px solid var(--line); padding: 22px 0; }
.post-list a { color: var(--ink); text-decoration: none; font-size: 1.2rem; font-weight: 600; }
.post-list a:hover { color: var(--brand); }
.post-list .meta { color: var(--muted); font-size: 0.88rem; margin-top: 4px; }
.post-body { max-width: 720px; }
.post-body h2 { font-size: 1.5rem; margin-top: 34px; color: var(--brand-dark); }
.post-body p { margin: 16px 0; }
.post-body ul, .post-body ol { margin: 16px 0 16px 24px; }
.post-body blockquote { border-left: 3px solid var(--brand); padding-left: 18px; color: var(--muted); margin: 20px 0; }

table { width: 100%; border-collapse: collapse; margin: 20px 0; }
th, td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; font-size: 0.95rem; }
th { background: var(--bg-soft); color: var(--brand-dark); }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.9rem; }
  .main-nav { gap: 14px; }
  .main-nav a:nth-child(3) { display: none; }
}