:root {
    --primary: #4CAF50;
    --dark: #121212;
    --grey: #1f1f1f;
    --text: #ffffff;
    --accent: #00e676;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: var(--dark); color: var(--text); line-height: 1.6; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Nawigacja */
.navbar { background: rgba(18, 18, 18, 0.95); padding: 20px 0; position: fixed; width: 100%; top: 0; z-index: 1000; border-bottom: 1px solid #333; }
.nav-container { display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.logo { font-size: 1.5rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; }
.logo span { color: var(--primary); }
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-links a { text-decoration: none; color: white; font-size: 0.9rem; font-weight: 300; transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }

/* Hero */
.hero { height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center; background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1558905619-17254261b646?q=80&w=1500'); background-size: cover; background-position: center; }
.hero h1 { font-size: 3.5rem; margin-bottom: 20px; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 1.2rem; color: #ccc; margin-bottom: 30px; }
.btn-main { padding: 15px 40px; background: var(--primary); color: white; text-decoration: none; border-radius: 50px; font-weight: 700; transition: 0.3s; }
.btn-main:hover { background: var(--accent); transform: scale(1.05); }

/* Sekcje */
section { padding: 100px 0; }
h2 { font-size: 2.5rem; text-align: center; margin-bottom: 50px; }
.section-dark { background: var(--grey); }

.about-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 40px; }
.about-card { background: var(--dark); padding: 30px; border-radius: 15px; text-align: center; border: 1px solid #333; }
.about-card h3 { font-size: 2rem; color: var(--primary); margin-bottom: 10px; }
.about-text { text-align: center; max-width: 700px; margin: 0 auto; font-size: 1.1rem; color: #bbb; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 30px; }
.s-card { background: #fff; color: #333; padding: 40px; border-radius: 20px; text-align: center; transition: 0.3s; }
.s-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.4); }
.icon { font-size: 3rem; margin-bottom: 20px; }
.s-card h3 { margin-bottom: 15px; }

/* Kontakt */
.section-contact { background: var(--primary); color: white; text-align: center; }
.contact-box { background: rgba(255,255,255,0.1); padding: 40px; border-radius: 20px; display: inline-block; font-size: 1.5rem; }

footer { padding: 40px; text-align: center; font-size: 0.8rem; color: #555; }

@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .about-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}