:root {
    --primary-color: #0056b3;
    --secondary-color: #00a8cc;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --text-color: #333;
    --white: #fff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--dark-color);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    display: none; /* Ukrywamy h1 jeśli by zostało, ale podmieniliśmy na img */
}

header .logo img {
    height: 50px; /* Dostosuj wysokość logo */
    width: auto;
    display: block;
}

header nav ul {
    display: flex;
    list-style: none;
}

header nav ul li {
    margin-left: 20px;
}

header nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

header nav ul li a:hover {
    color: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1521946002933-a3d8242a3810?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    color: var(--white);
    display: flex;
    align-items: center;
    text-align: center;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1.1rem;
    transition: background 0.3s;
}

.btn:hover {
    background: var(--secondary-color);
}

/* Sections Common */
section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-color);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--light-color);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.service-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
}

/* About */
.about {
    background-color: var(--white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
}

.about-content p {
    margin-bottom: 1.5rem;
}

/* Contact */
.contact {
    background-color: var(--dark-color);
    color: var(--white);
}

.contact .section-title {
    color: var(--white);
}

.contact-info {
    text-align: center;
    font-size: 1.2rem;
}

.contact-info p {
    margin-bottom: 1rem;
}

.contact-info i {
    color: var(--secondary-color);
    margin-right: 10px;
}

/* Footer */
footer {
    background: #222;
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.2rem;
    }

    header .container {
        flex-direction: column;
    }

    header nav ul {
        margin-top: 1rem;
    }
}