/* --- 1. NOWOCZESNY RESET I ZMIENNE GLOBALNE --- */
:root {
    --primary-color: #C11D0B;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --border-color: #e0e0e0;
    --text-color: #333;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #fff;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--dark-color);
}

/* --- 2. NAGŁÓWEK I NAWIGACJA (STICKY) --- */
.main-header {
    background: #fff;
    border-bottom: 2px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 20px;
}

.main-nav a {
    font-weight: 600;
    color: var(--dark-color);
    padding: 8px 12px;
    border-radius: 4px;
}

.main-nav a:hover, .main-nav a.active {
    background-color: var(--primary-color);
    color: #fff;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* --- 3. ZWIĘKSZONY I ELASTYCZNY HERO SLIDER --- */
.slider-section {
    background: #111;
    width: 100%;
}

.slider-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    height: 650px; /* Zwiększona wysokość slidera dla lepszego efektu wizualnego */
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.slides {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease-in-out, visibility 0.6s;
}

.slide.active {
    opacity: 1;
    visibility: visible;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Chroni zdjęcia przed zniekształceniem */
    object-position: center;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    border: none;
    width: 45px;
    height: 45px;
    cursor: pointer;
    font-size: 1.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

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

.prev { left: 20px; }
.next { right: 20px; }

/* --- 4. KONTENERY I STRUKTURA TREŚCI --- */
.content-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.responsive-img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.img-center {
    display: block;
    margin: 20px auto;
}

/* --- 5. SYSTEM ZAKŁADEK (TABS) --- */
.tabs-section {
    margin-bottom: 50px;
}

.tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-link {
    background: var(--light-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
}

.tab-link:hover, .tab-link.active {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

.tabs-content {
    margin-top: 25px;
    background: #fff;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.announcement-box {
    background: var(--light-color);
    border-left: 5px solid var(--primary-color);
    padding: 25px;
    border-radius: 4px;
    margin-top: 15px;
}

.announcement-title {
    font-size: 1.1rem;
    font-weight: 700;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.contact-info-card {
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.contact-info-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.download-list {
    list-style: none;
    margin-top: 15px;
}

.download-list li {
    margin-bottom: 10px;
}

.archive-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.archive-item {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.archive-date {
    font-size: 0.85rem;
    color: #777;
    font-weight: 600;
}

.archive-item h3 {
    margin: 5px 0 10px 0;
    color: var(--dark-color);
}

/* --- 6. STRONA GALERII (CSS GRID) --- */
.gallery-section-block h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.gallery-section-block h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.lead-text {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 25px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.gallery-item {
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.03);
    background: #fff;
    transition: var(--transition);
}

.gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.08);
}

.gallery-item img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 6px;
}

.desc {
    font-size: 0.9rem;
    margin-top: 10px;
    font-weight: 600;
    color: var(--dark-color);
}

/* --- 7. PODSTRONA HISTORII I TEKST ARTYKUŁU --- */
.history-article h1 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 20px;
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 30px;
    color: #555;
}

.article-content p {
    margin-bottom: 20px;
    text-align: justify;
}

/* --- 8. ROZWIJANE HARMONIJKI (ACCORDION) NA NAZWISKA --- */
.accordion-section {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.accordion-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    transition: var(--transition);
}

.accordion-item[open] {
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(193, 29, 11, 0.08);
}

.accordion-header {
    padding: 15px 20px;
    font-size: 1.15rem;
    font-weight: 700;
    background: var(--light-color);
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    outline: none;
    list-style: none;
    position: relative;
}

.accordion-header::after {
    content: '❯';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
    color: #888;
    transition: transform 0.3s ease;
}

.accordion-item[open] .accordion-header::after {
    transform: translateY(-50%) rotate(90deg);
    color: var(--primary-color);
}

.accordion-header:hover {
    background: #f1f2f3;
    color: var(--primary-color);
}

.accordion-content {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    background: #fff;
    animation: slideDown 0.3s ease-out;
}

.names-list-inner {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 10px;
    list-style: none !important;
    padding-left: 0 !important;
}

.names-list-inner li {
    padding: 6px 12px;
    background: var(--light-color);
    border-radius: 4px;
    font-size: 0.95rem;
    border-left: 3px solid #ccc;
    transition: var(--transition);
}

.names-list-inner li:hover {
    border-left-color: var(--primary-color);
    background: #f0f0f0;
}

/* --- 9. BLOK PARTNERÓW, LOGOTYPY I STOPKA --- */
.partners-section {
    border-top: 2px solid var(--border-color);
    padding-top: 40px;
    margin-top: 60px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.partner-column h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    color: #777;
}

.partner-column ul {
    list-style: none;
}

.partner-column li {
    margin-bottom: 8px;
}

.history-logos-flex img {
    height: 45px;
    width: auto;
    object-fit: contain;
    filter: grayscale(20%);
    transition: var(--transition);
}

.history-logos-flex img:hover {
    filter: grayscale(0%);
}

.main-footer {
    background: var(--dark-color);
    color: #aaa;
    padding: 30px 20px;
    margin-top: 80px;
    font-size: 0.9rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* --- 10. ANIMACJE SYSTEMOWE --- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- 11. RESPONSYWNOŚĆ MOBILNA (MEDIA QUERIES) --- */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .main-nav {
        display: none;
        width: 100%;
        margin-top: 15px;
    }
    
    .main-nav.open {
        display: block;
    }
    
    .header-container {
        flex-wrap: wrap;
    }
    
    .main-nav ul {
        flex-direction: column;
        width: 100%;
        gap: 5px;
    }
    
    .main-nav a {
        display: block;
        width: 100%;
    }
    
    .slider-container {
        height: 380px; /* Zwiększona wysokość suwaka również na telefonach dla zachowania skali */
    }
    
    .prev { left: 10px; }
    .next { right: 10px; }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }
}