/* =========================================
   ZMIENNE I BAZA
========================================= */
:root {
    --primary-color: #2c3e50;
    --accent-color: #d4af37; /* Złoty akcent */
    --text-color: #333333;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --font-main: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 40px 0; }
.bg-light { background-color: var(--bg-light); }

/* =========================================
   NAWIGACJA
========================================= */
header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
.nav-container { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }
.logo a { font-size: 1.5rem; font-weight: 600; text-decoration: none; color: var(--primary-color); }
.logo span { color: var(--accent-color); }
nav ul { list-style: none; display: flex; gap: 30px; }
nav a { text-decoration: none; color: var(--primary-color); font-weight: 600; transition: color 0.3s; }
nav a:hover { color: var(--accent-color); }

/* =========================================
   KARUZELA (HERO SLIDER) NA STRONIE GŁÓWNEJ
========================================= */
.hero-slider {
    position: relative;
    height: 80vh;
    overflow: hidden;
    background: #000;
}
.slider-container { height: 100%; width: 100%; }
.slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.slide.active { opacity: 1; z-index: 1; }
.hero-content { max-width: 1000px; padding: 20px; z-index: 2; }
.slide h1 { color: #fff; font-size: 3.5rem; text-shadow: 0 2px 10px rgba(0,0,0,0.5); margin-bottom: 20px; }
.slide p { color: #fff; font-size: 1.5rem; margin-bottom: 30px; text-shadow: 0 2px 5px rgba(0,0,0,0.5); }

.btn { display: inline-block; padding: 15px 30px; background: var(--primary-color); color: #fff; text-decoration: none; font-weight: 600; transition: background 0.3s; }
.btn:hover { background: var(--accent-color); }

.slider-btn {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.2);
    color: white; border: none;
    padding: 20px; cursor: pointer; z-index: 10;
    transition: 0.3s;
    font-size: 24px;
}
.slider-btn:hover { background: var(--accent-color); }
.prev { left: 20px; }
.next { right: 20px; }

/* =========================================
   SEKCJE INFO, OPINIE, OFERTA
========================================= */
.about { text-align: center; }
.about-text h2 { margin-bottom: 20px; color: var(--primary-color); }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 40px; }
.testimonial-card { background: #fff; padding: 30px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-left: 4px solid var(--accent-color); }
.testimonial-card h4 { margin-top: 15px; color: var(--accent-color); }
.testimonials h2 { text-align: center; color: var(--primary-color); }

.page-header { background: var(--bg-light); text-align: center; padding: 60px 20px; border-bottom: 1px solid #eaeaea; }
.page-header h1 { font-size: 2.5rem; color: var(--primary-color); }

.offer-details { display: grid; gap: 30px; }
.offer-card { background: #fff; padding: 40px; box-shadow: 0 5px 20px rgba(0,0,0,0.03); border-radius: 4px; }
.offer-card h2 { color: var(--primary-color); margin-bottom: 15px; border-bottom: 2px solid var(--accent-color); display: inline-block; padding-bottom: 5px; }

/* =========================================
   GALERIA I FILTROWANIE
========================================= */
.filters { display: flex; justify-content: center; flex-wrap: wrap; gap: 15px; margin-bottom: 40px; }
.filter-btn { padding: 10px 20px; border: 1px solid var(--primary-color); background: transparent; cursor: pointer; transition: 0.3s; font-family: var(--font-main); font-weight: 600; }
.filter-btn.active, .filter-btn:hover { background: var(--primary-color); color: #fff; }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.gallery-item { cursor: pointer; overflow: hidden; height: 300px; border-radius: 4px; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; display: block; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item.hide { display: none; }

/* =========================================
   LIGHTBOX (OKNO MODALNE 90%)
========================================= */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(255,255,255,0.95); /* Jasne tło */
    align-items: center;
    justify-content: center;
}
#lightbox-img {
    max-width: 90%;
    max-height: 90%;
    box-shadow: 0 0 50px rgba(0,0,0,0.15);
    object-fit: contain;
}
.close-lightbox {
    position: absolute;
    top: 30px; right: 40px;
    font-size: 50px; cursor: pointer; color: #333; transition: color 0.3s;
}
.close-lightbox:hover { color: var(--accent-color); }

.lb-nav {
    position: absolute;
    top: 50%; transform: translateY(-50%);
    background: none; border: none;
    font-size: 60px; cursor: pointer; color: #333;
    padding: 20px; transition: color 0.3s;
}
.lb-nav:hover { color: var(--accent-color); }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }

/* =========================================
   STOPKA
========================================= */
footer { background: var(--primary-color); color: #fff; padding: 60px 0 20px; }
.footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-box h3 { color: var(--accent-color); margin-bottom: 20px; }
.copyright { text-align: center; margin-top: 20px; font-size: 0.9rem; color: #aaa; }