:root {
            --main-color: #004aad;
            --light-bg: #f4f6fa;
            --dark: #1a1a1a;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }

        body {
            line-height: 1.6;
            color: #333;
        }

        /* ===== HEADER PREMIUM ===== */
        .header {
            position: sticky;
            top: 0;
            width: 100%;
            background: rgba(0, 74, 173, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            z-index: 1000;
        }

        .header-inner {
            max-width: 1100px;
            margin: auto;
            padding: 15px 20px;

            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: bold;
            color: white;
            font-size: 18px;
        }

        .logo-box img {
            height: 45px;
        }

        .nav {
            display: flex;
            gap: 25px;
        }

        .nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            position: relative;
        }

        .nav a::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0%;
            height: 2px;
            background: white;
            transition: 0.3s;
        }

        .nav a:hover::after {
            width: 100%;
        }

        .header-cta {
            background: white;
            color: var(--main-color);
            padding: 10px 18px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: 0.3s;
        }

        .header-cta:hover {
            background: #e6e6e6;
        }

        /* ===== HERO ===== */
        .hero {
            background: var(--light-bg);
            text-align: center;
            padding: 80px 20px;
        }

        .hero h2 {
            font-size: 34px;
            margin-bottom: 20px;
            color: var(--main-color);
        }

        .btn {
            display: inline-block;
            background: var(--main-color);
            color: white;
            padding: 15px 28px;
            text-decoration: none;
            font-weight: bold;
            border-radius: 6px;
            margin-top: 25px;
        }

        .btn:hover {
            background: #00337a;
        }

        /* ===== SEKCJE ===== */
        .container {
            width: 90%;
            max-width: 1100px;
            margin: auto;
            padding: 60px 0;
        }

        section h3 {
            text-align: center;
            margin-bottom: 40px;
            font-size: 26px;
            color: var(--main-color);
        }

        .services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .service-box {
            background: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }

        .service-box h4 {
            margin-bottom: 15px;
            color: var(--main-color);
        }

        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
        }

        .gallery img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: 8px;
            transition: 0.3s ease;
        }

        .gallery img:hover {
            transform: scale(1.05);
        }

        .about, .contact {
            background: var(--light-bg);
        }

        .about p, .contact p {
            text-align: center;
            max-width: 700px;
            margin: 10px auto;
            font-size: 18px;
        }

        .footer {
    background: var(--dark);
    color: white;
}

.footer-inner {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-left img {
    height: 40px;
}

.footer-center {
    text-align: center;
    width: 100%;
}

        .sticky-call {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--main-color);
            color: white;
            padding: 15px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
        }

        .hero-logo {
            width: 200px;
            margin-bottom: 20px;
        }           

        /* ===== MOBILE ===== */
        @media (max-width: 768px) {
            .nav {
                display: none;
            }

            .logo-box span {
                display: none;
            }

            .hero h2 {
                font-size: 26px;
            }
        }
html {
    scroll-behavior: smooth;
}

section {
    scroll-margin-top: 80px;
}

.gallery img {
    cursor: pointer;
    transition: 0.3s;
}

.gallery img:hover {
    transform: scale(1.05);
}

/* ===== Lightbox ===== */
.lightbox {
    display: none;
    position: fixed;
    z-index: 999;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.lightbox-content {
    display: block;
    margin: auto;
    max-width: 80%;
    max-height: 70vh;
    object-fit: contain;
}

.close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
}

.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 50px;
    cursor: pointer;
    padding: 10px;
    user-select: none;
}

.prev {
    left: 20px;
}

.next {
    right: 20px;
}

.prev:hover, .next:hover {
    color: #ccc;
}

/* licznik */
.counter {
    position: absolute;
    bottom: 20px;
    right: 30px;
    color: white;
    font-size: 18px;
}

/* miniaturki */
.thumbnails {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    overflow-x: auto;
    padding: 10px;
}

.thumbnails img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.6;
    border: 2px solid transparent;
    transition: 0.3s;
}

.thumbnails img.active {
    opacity: 1;
    border: 2px solid white;
}

.thumbnails img:hover {
    opacity: 1;
}