:root {
    --primary: #2e7d32;
    --primary-dark: #1b5e20;
    --text: #222;
    --muted: #666;
    --bg: #fafafa;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: 'Segoe UI', system-ui, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; }
header { background: #fff; padding: 18px 32px; display: flex; align-items: center; justify-content: space-between; box-shadow: 0 1px 4px rgba(0,0,0,0.08); position: sticky; top: 0; z-index: 10; }
header .brand { font-size: 20px; font-weight: 800; color: var(--primary-dark); letter-spacing: 0.5px; }
nav a { margin-left: 24px; text-decoration: none; color: var(--text); font-weight: 600; font-size: 14px; }
nav a:hover { color: var(--primary); }
.hero { text-align: center; padding: 72px 24px; background: linear-gradient(180deg, #fff, var(--bg)); }
.hero h1 { font-size: 30px; margin-bottom: 10px; color: var(--primary-dark); }
.hero p { color: var(--muted); font-size: 16px; }
section { padding: 48px 24px; max-width: 960px; margin: 0 auto; }
section h2 { font-size: 22px; color: var(--primary-dark); border-bottom: 3px solid var(--primary); display: inline-block; padding-bottom: 6px; margin-bottom: 24px; }
.oferta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.oferta-card { background: #fff; border-radius: 10px; padding: 20px; box-shadow: 0 1px 6px rgba(0,0,0,0.08); border-left: 4px solid var(--primary); }
.oferta-card h3 { font-size: 15px; margin: 0 0 6px; color: var(--text); }
.oferta-card .cena { color: var(--primary); font-weight: 700; font-size: 14px; }
.kontakt-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 640px) { .kontakt-grid { grid-template-columns: 1fr; } nav a { margin-left: 12px; font-size: 12px; } }
footer { background: #1b1b1b; color: #ccc; padding: 32px 24px; text-align: center; font-size: 13px; }
footer a { color: #9ccc9c; text-decoration: none; margin: 0 10px; }
footer a:hover { text-decoration: underline; }
footer .nip { margin-top: 12px; color: #888; }
.doc { max-width: 800px; margin: 0 auto; padding: 40px 24px; }
.doc h1 { font-size: 24px; border-bottom: 2px solid var(--primary); padding-bottom: 10px; }
.doc h2 { font-size: 16px; margin-top: 28px; color: var(--primary-dark); }
.doc .meta { color: var(--muted); font-size: 12px; margin-bottom: 24px; }