/* =========================================
   1. ZMIENNE I RESET BAZOWY
   ========================================= */
:root {
    --color-primary: #0A3D2E;      
    --color-primary-dark: #052b20;
    --color-accent: #D4AF37;       
    --color-accent-hover: #bfa13f;
    --color-text-dark: #222222;
    --color-text-light: #cccccc;   
    --color-white: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-footer-bg: #0e1111;    
    --font-main: 'Montserrat', sans-serif;
    --border-radius-main: 8px;     
    --transition-fast: 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background-color: var(--color-footer-bg); }
body { font-family: var(--font-main); color: var(--color-text-light); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* =========================================
   2. KLASY POMOCNICZE I PRZYCISKI
   ========================================= */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 100px 0; }
.bg-light { background-color: var(--color-bg-light); color: var(--color-text-dark); }
.bg-dark { background-color: var(--color-footer-bg); } 
.text-white { color: var(--color-white); }
.text-center { text-align: center; }
.accent-text { color: var(--color-accent); font-weight: 700; letter-spacing: 2px; }

.btn {
    display: inline-block; padding: 14px 32px; font-weight: 700; text-transform: uppercase;
    font-size: 0.9rem; letter-spacing: 1px; border-radius: 4px; cursor: pointer;
    transition: all var(--transition-fast); border: 2px solid transparent;
}
.btn-primary { background-color: var(--color-accent); color: var(--color-primary-dark); }
.btn-primary:hover { background-color: var(--color-accent-hover); transform: translateY(-3px); }

/* =========================================
   3. LOADER (Płynne przejścia)
   ========================================= */
.page-transition-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background-color: var(--color-footer-bg); z-index: 99999; display: flex; align-items: center; justify-content: center; transition: opacity 0.5s ease, visibility 0.5s ease; }
.page-transition-overlay.loaded { opacity: 0; visibility: hidden; }
.loader-logo { width: 70px; animation: pulseLogo 1.5s infinite ease-in-out; }
@keyframes pulseLogo { 0% { transform: scale(1); opacity: 0.7; } 50% { transform: scale(1.1); opacity: 1; } 100% { transform: scale(1); opacity: 0.7; } }

/* =========================================
   4. STICKY HEADER (Desktop)
   ========================================= */
#main-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 20px 0; background-color: transparent; transition: all 0.4s ease; border-bottom: 1px solid rgba(255,255,255,0.1); }
#main-header.scrolled { background-color: var(--color-primary-dark); padding: 15px 0; box-shadow: 0 4px 20px rgba(0,0,0,0.1); border-bottom: none; }
.header-container { display: flex; justify-content: space-between; align-items: center; }
.logo a { display: flex; align-items: center; }
.logo-img { width: 55px; height: 55px; object-fit: contain; transition: transform var(--transition-fast); }
.logo-img:hover { transform: scale(1.05); }
.desktop-nav ul { display: flex; gap: 30px; }
.desktop-nav a { color: rgba(255,255,255,0.8); font-weight: 600; font-size: 0.95rem; text-transform: uppercase; padding: 10px 0; position: relative; }
.desktop-nav a:hover, .desktop-nav a.active { color: var(--color-accent); }
.desktop-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background-color: var(--color-accent); transition: var(--transition-fast); }
.desktop-nav a:hover::after, .desktop-nav a.active::after { width: 100%; }
.mobile-menu-toggle { display: none; color: var(--color-white); font-size: 1.8rem; cursor: pointer; }

/* =========================================
   5. BAZA GALERII: MINI HERO
   ========================================= */
#galeria-hero {
    height: 40vh;
    min-height: 500px;
    background-image: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-bg-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(14, 17, 17, 0.85); 
}
#galeria-hero .container { position: relative; z-index: 2; }
#galeria-hero h1 { font-size: 3rem; margin-top: 10px; margin-bottom: 20px; }
.hero-desc { color: var(--color-text-light); max-width: 600px; margin: 0 auto; font-size: 1.1rem; }

/* =========================================
   6. BAZA GALERII: MENU FILTRÓW
   ========================================= */
#galeria-filtry {
    padding: 30px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.filters-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}
.filter-btn {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 10px 20px;
    border-radius: 50px;
    font-family: var(--font-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}
.filter-btn.active {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}

/* =========================================
   7. BAZA GALERII: KONTENER PROJEKTÓW
   ========================================= */
.project-box {
    display: flex;
    background-color: #111516; /* Kolor panelu z referencji */
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 50px;
    gap: 40px;
    transition: opacity 0.4s ease, transform 0.4s ease;
    height: 100%; /* NOWE: Wymusza równe wysokości kart w widoku siatki (kafelków) */
}
.project-box.hidden {
    display: none;
}

/* Lewa Strona - Zdjęcia i miniatury */
.project-gallery {
    flex: 1.2;
    flex-shrink: 0; /* NOWE: Blokuje niechciane zniekształcanie zdjęć */
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow: hidden;
}
.main-image-wrapper {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    overflow: hidden;
    background-color: #000;
}
.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

/* Pasek miniatur i Custom Scrollbar */
.thumbnail-track {
    display: flex;
    gap: 15px;
    overflow-x: auto;
    overflow-y: hidden; /* KLUCZOWE: Blokuje niechciany pionowy scrollbar */
    padding-bottom: 22px; /* Zwiększony odstęp, by scrollbar nie wchodził na zdjęcia */
    scroll-behavior: smooth;
    /* Firefox */
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent) #222;
}
/* Chrome/Safari Custom Scrollbar */
.thumbnail-track::-webkit-scrollbar { height: 8px; } /* Minimalnie grubszy, wygodniejszy pasek */
.thumbnail-track::-webkit-scrollbar-track { background: #222; border-radius: 10px; }
.thumbnail-track::-webkit-scrollbar-thumb { background-color: var(--color-accent); border-radius: 10px; }

.thumbnail {
    height: 120px; /* Zwiększona wysokość miniatury, by była lepiej widoczna */
    flex: 0 0 calc((100% - 30px) / 3); /* Zawsze 3 idealne miniatury w widoku */
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    opacity: 0.5;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}
.thumbnail:hover { opacity: 0.8; }
.thumbnail.active { opacity: 1; border-color: var(--color-accent); }

/* Prawa Strona - Opis projektu */
.project-info {
    flex: 1;
    flex-grow: 1; /* NOWE: Karta tekstu rozpycha pustą przestrzeń aż do samego dołu */
    display: flex;
    flex-direction: column;
    justify-content: flex-start; /* ZMIENIONE: tekst przykleja się tuż pod zdjęcia, likwiduje dziurę nad tekstem */
}
.project-subtitle {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 15px;
}
.project-title {
    font-size: 2.2rem;
    color: var(--color-white);
    margin-bottom: 30px;
    line-height: 1.2;
}
.project-details { list-style: none; }
.project-details li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 20px;
    color: #cccccc;
    font-size: 1.05rem;
    line-height: 1.6;
}
.project-details li i { position: absolute; left: 0; top: 5px; color: var(--color-accent); }
.project-details li strong { color: var(--color-white); }


/* --- WARIANTY DLA MNIEJSZEJ ILOŚCI ZDJĘĆ (np. Szafy) --- */

/* 1. Tylko jedno zdjęcie (brak miniatur) */
.project-gallery.single-photo .main-image-wrapper {
    height: 100%; /* Rozciąga zdjęcie, by wypełniło całą wysokość boxa */
    min-height: 400px;
}
/* Wymusza ukrycie paska miniatur, gdybyś przez przypadek zostawił go w HTML */
.project-gallery.single-photo .thumbnail-track {
    display: none; 
}

/* 2. Dwa zdjęcia (dwie szerokie miniatury) */
.project-gallery.dual-photo .thumbnail {
    flex: 0 0 calc((100% - 15px) / 2); /* Dzieli na 2 równe części minus odstęp */
    height: 120px; /* Nieco wyższe dla lepszych proporcji */
}

/* =========================================
   8. STOPKA (AJM Home Style)
   ========================================= */
footer { background-color: var(--color-footer-bg); color: #aaaaaa; padding: 80px 0 0; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; margin-bottom: 60px; }
.footer-col { text-align: center; }
.footer-logo { margin-bottom: 25px; display: inline-flex; justify-content: center; width: 100%; }
.footer-logo a { display: flex; align-items: center; justify-content: center; }
.footer-logo-img { width: 65px; height: 65px; object-fit: contain; transition: transform var(--transition-fast); }
.footer-logo-img:hover { transform: scale(1.05); }
.about-col p { font-size: 0.9rem; line-height: 1.8; margin-bottom: 25px; }
.footer-socials { display: flex; flex-direction: column; align-items: center; gap: 15px; }
.footer-socials a { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--color-accent); }
.footer-socials a:hover { color: var(--color-white); }
.footer-col h4 { color: var(--color-white); font-size: 1.1rem; letter-spacing: 1px; margin-bottom: 30px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 0.9rem; color: #aaaaaa; transition: 0.3s; }
.footer-col ul li a:hover { color: var(--color-accent); }
.contact-col ul { display: inline-block; text-align: left; }
.contact-col ul li { display: flex; align-items: flex-start; gap: 15px; color: #cccccc; margin-bottom: 15px; }
.icon-accent { color: var(--color-accent); margin-top: 5px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.05); padding: 25px 0; font-size: 0.8rem; }

/* =========================================
   9. ANIMACJE WEJŚCIA
   ========================================= */
.fade-in, .fade-in-up { opacity: 0; transition: all 0.8s ease; }
.fade-in-up { transform: translateY(40px); }
.fade-in.visible, .fade-in-up.visible { opacity: 1; transform: translate(0); }

/* =========================================
   10. RESPONSYWNOŚĆ (MEDIA QUERIES)
   ========================================= */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 992px) {
    .project-box { flex-direction: column; }
    .main-image-wrapper { height: 300px; }
}

@media (max-width: 768px) {
    /* --- HEADER MOBILNY (BEZ SKAKANIA, FULL BLUR) --- */
    #main-header { padding: 15px 0 !important; background-color: transparent !important; border-bottom: 1px solid rgba(255,255,255,0.1) !important; transition: background-color 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease !important; }
    #main-header.scrolled { background-color: var(--color-primary-dark) !important; border-bottom-color: transparent !important; box-shadow: 0 4px 15px rgba(0,0,0,0.3) !important; }
    #main-header.menu-open { background-color: var(--color-primary-dark) !important; }
    
    .header-container { position: static !important; }
    .logo, .mobile-menu-toggle { position: relative; z-index: 1002; }

    .desktop-nav { 
        position: absolute; top: 100%; left: 0; width: 100%; height: auto; 
        background-color: rgba(5, 43, 32, 0.95) !important; backdrop-filter: blur(15px) !important; -webkit-backdrop-filter: blur(15px) !important; 
        padding: 0; z-index: 999; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: all 0.3s ease; 
    }
    .desktop-nav.active { opacity: 1; visibility: visible; transform: translateY(0); }
    .desktop-nav ul { display: flex; flex-direction: column; width: 100%; margin: 0; padding: 0; gap: 0 !important; }
    .desktop-nav ul li { width: 100%; margin: 0; padding: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .desktop-nav ul li:first-child { border-top: 1px solid rgba(255, 255, 255, 0.1); }
    .desktop-nav ul li a { display: flex; align-items: center; justify-content: center; height: 75px; width: 100%; padding: 0; font-size: 1.05rem; letter-spacing: 2px; color: var(--color-white); line-height: 1; margin: 0; }
    .desktop-nav ul li a::after { display: none; }
    .mobile-menu-toggle { display: block; }
    
    /* --- GALERIA MOBILNA --- */
    #galeria-hero h1 { font-size: 2.2rem; }
    .thumbnail { height: 75px; } /* Zostawiamy tylko wysokość, szerokość wyliczy się sama z reguły wyżej */
    .project-box { padding: 20px; }
    .project-title { font-size: 1.8rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }

    /* Ukrywanie przełącznika na mobile */
    .hidden-mobile { display: none !important; }
    /* Wymuszanie 1 kolumny na telefonach */
    .projects-grid { grid-template-columns: 1fr !important; }
}
/* =========================================
   11. LIGHTBOX (GALERIA PEŁNOEKRANOWA)
   ========================================= */
/* Kursor wskazujący klikalność głównego zdjęcia */
.main-image {
    cursor: zoom-in;
}

.lightbox {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: rgba(10, 13, 14, 0.95); /* Bardzo ciemne tło */
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
}
.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.5);
    transition: opacity 0.3s ease; /* Płynna zmiana zdjęć */
}

/* Przyciski w Lightboxie */
.lightbox-close {
    position: absolute;
    top: 30px; right: 40px;
    color: var(--color-white);
    font-size: 2.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 2;
}
.lightbox-close:hover { color: var(--color-accent); }

.lightbox-prev, .lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--color-white);
    width: 60px; height: 60px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex; justify-content: center; align-items: center;
    z-index: 2;
}
.lightbox-prev:hover, .lightbox-next:hover {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
}
.lightbox-prev { left: 30px; }
.lightbox-next { right: 30px; }

/* Lightbox na telefonach */
@media (max-width: 768px) {
    .lightbox-prev, .lightbox-next { width: 40px; height: 40px; font-size: 1.2rem; }
    .lightbox-prev { left: 10px; }
    .lightbox-next { right: 10px; }
    .lightbox-close { top: 15px; right: 20px; font-size: 2rem; }
}
/* =========================================
   12. GRID SWITCHER (PRZEŁĄCZNIK WIDOKU)
   ========================================= */
.layout-switcher {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 30px;
}
.switcher-label {
    color: var(--color-text-light);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-right: 5px;
}
.layout-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--color-white);
    width: 40px; height: 40px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex; justify-content: center; align-items: center;
    font-size: 1.1rem;
}
.layout-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.layout-btn.active { background: var(--color-accent); color: var(--color-primary-dark); border-color: var(--color-accent); }

/* --- GŁÓWNA SIATKA PROJEKTÓW --- */
.projects-grid {
    display: grid;
    transition: all 0.5s ease;
    /* Domyślny układ to 1 kolumna */
    grid-template-columns: 1fr;
    gap: 50px;
}

/* W gridzie wyłączamy dolny margines, bo przejmuje go GAP z .projects-grid */
.projects-grid .project-box { margin-bottom: 0; }

/* --- UKŁAD 2 KOLUMNY --- */
.projects-grid.grid-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}
.projects-grid.grid-2 .project-box {
    flex-direction: column; /* Zdjęcie nad tekstem */
    padding: 20px;
    gap: 25px;
}
.projects-grid.grid-2 .main-image-wrapper { height: 300px; }
.projects-grid.grid-2 .project-title { font-size: 1.7rem; margin-bottom: 15px; }

/* Zwiększenie odstępu dla paska przewijania w widoku 2 i 3 kolumn */
.projects-grid.grid-2 .thumbnail-track,
.projects-grid.grid-3 .thumbnail-track {
    padding-bottom: 35px; /* Zwiększamy padding, aby odepchnąć scrollbar mocniej w dół */
}

/* --- UKŁAD 3 KOLUMNY --- */
.projects-grid.grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.projects-grid.grid-3 .project-box {
    flex-direction: column; /* Zdjęcie nad tekstem */
    padding: 20px;
    gap: 20px;
}
.projects-grid.grid-3 .main-image-wrapper { height: 220px; }
.projects-grid.grid-3 .thumbnail { height: 60px; } /* Mniejsze miniatury */
.projects-grid.grid-3 .project-title { font-size: 1.4rem; margin-bottom: 15px; }
.projects-grid.grid-3 .project-details li { font-size: 0.9rem; line-height: 1.4; padding-left: 25px; margin-bottom: 12px; }

/* =========================================
   PRZYCISK POWROTU DO GÓRY (Z PASKIEM POSTĘPU)
   ========================================= */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    
    /* Magiczna zmienna, która będzie zmieniana przez JS (od 0% do 100%) */
    --scroll-prog: 0%;
    /* Rysuje obwódkę ładującą się jak pasek postępu */
    background: conic-gradient(var(--color-accent) var(--scroll-prog), #1a1e1f var(--scroll-prog));
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Wewnętrzne kółko, które zasłania środek, tworząc efekt "pierścienia" */
.scroll-to-top::before {
    content: '';
    position: absolute;
    top: 3px;     /* Grubość paska postępu (3px) */
    left: 3px;
    right: 3px;
    bottom: 3px;
    background-color: var(--color-footer-bg);
    border-radius: 50%;
    z-index: -1;
    transition: background-color 0.3s ease;
}

.scroll-to-top i {
    z-index: 1;
    color: var(--color-accent);
    font-size: 1.1rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

/* Efekty po najechaniu myszką */
.scroll-to-top:hover::before {
    background-color: var(--color-primary-dark);
}
.scroll-to-top:hover i {
    transform: translateY(-4px); /* Strzałka podskakuje do góry */
    color: var(--color-white);
}

/* Responsywność dla telefonów */
@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}