/* --- ZMIENNE I RESET --- */
:root {
    --color-primary: #0A3D2E;      /* Głęboka, ciemna zieleń */
    --color-primary-dark: #052b20;
    --color-accent: #D4AF37;       /* Złoty akcent przywrócony! */
    --color-accent-hover: #bfa13f;
    --color-text-dark: #222222;
    --color-text-light: #666666;
    --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; }
body { font-family: var(--font-main); color: var(--color-text-dark); 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; }

/* --- UŻYTECZNOŚCI --- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 100px 0; }
.bg-light { background-color: var(--color-bg-light); }
.text-white { color: var(--color-white); }
.text-center { text-align: center; }

.accent-text { color: var(--color-accent); }
.accent-bg { background-color: var(--color-accent) !important; }

/* --- SYSTEM TŁA OBRAZKOWEGO --- */
.section-bg-image {
    background-size: cover;
    background-position: center;
    background-attachment: fixed; 
    position: relative;
}

.dark-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.75); 
    z-index: 1;
}

.relative-z2 {
    position: relative;
    z-index: 2; 
}

/* Szklane Karty */
.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius-main);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    color: var(--color-white);
}

/* Przyciski - Złote z ciemnym tekstem */
.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); }
.btn-outline { border-color: var(--color-white); color: var(--color-white); background-color: transparent; }
.btn-outline:hover { background-color: var(--color-white); color: var(--color-primary); transform: translateY(-3px); }
.btn-text { color: var(--color-accent); font-weight: 600; display: inline-flex; align-items: center; gap: 10px; }
.btn-text:hover { gap: 15px; }

/* Nagłówki sekcji */
.section-title-wrapper { margin-bottom: 60px; }
.sub-title { display: block; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; color: var(--color-accent); margin-bottom: 15px; font-size: 0.9rem; }
.section-title-wrapper h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 25px; color: var(--color-primary); }
.section-title-wrapper h2.text-white { color: var(--color-white); }
.title-separator { width: 80px; height: 4px; background-color: var(--color-primary); margin: 0 auto; }
.section-desc { max-width: 700px; margin: 20px auto 0; color: var(--color-text-light); }

/* --- HEADER --- */
#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; }

/* Nowe style dla kwadratowego logo ze zdjęcia */
.logo a { display: flex; align-items: center; }
.logo-img { 
    width: 65px;   /* Sztywna szerokość kwadratu */
    height: 65px;  /* Sztywna wysokość kwadratu */
    object-fit: contain; /* Upewnia się, że logo nie zostanie zniekształcone, nawet jeśli plik nie jest idealnym kwadratem */
    transition: transform var(--transition-fast);
}
.logo-img:hover {
    transform: scale(1.05); /* Delikatne powiększenie po najechaniu myszką */
}

/* ... reszta kodu (.desktop-nav ul) pozostaje bez zmian ... */
.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 { width: 100%; }
.mobile-menu-toggle { display: none; color: var(--color-white); font-size: 1.8rem; cursor: pointer; }

/* --- LOADER PRZEJŚCIA --- */
.page-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--color-footer-bg); /* Ciemne tło jak w stopce */
    z-index: 99999; /* Zawsze na samej górze */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

/* Klasa, która ukrywa loader po załadowaniu strony */
.page-transition-overlay.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-logo {
    width: 70px; /* Rozmiar logo w loaderze */
    height: auto;
    object-fit: contain;
    /* Elegancki efekt pulsowania */
    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; }
}

/* --- HERO --- */
#hero { height: 100vh; min-height: 700px; background-image: url('https://images.unsplash.com/photo-1616486338812-3dadae4b4ace?ixlib=rb-4.0.3&auto=format&fit=crop&w=600&q=80'); background-size: cover; background-position: center; position: relative; display: flex; align-items: center; }
.hero-bg-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(to right, rgba(15, 15, 15, 0.9), rgba(15, 15, 15, 0.5)); }
.hero-content { position: relative; z-index: 2; color: var(--color-white); max-width: 800px; }
.hero-subtitle { font-weight: 700; letter-spacing: 4px; color: var(--color-accent); margin-bottom: 20px; display: block; }
.hero-content h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 30px; }
.hero-description { font-size: 1.2rem; opacity: 0.9; margin-bottom: 40px; max-width: 600px; }
.hero-buttons { display: flex; gap: 20px; }

/* --- 1. O FIRMIE --- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content h3 { font-size: 1.8rem; color: var(--color-primary); margin-bottom: 25px; }
.about-content p { color: var(--color-text-light); margin-bottom: 20px; }
.about-image { position: relative; }
.about-image img { border-radius: var(--border-radius-main); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.exp-badge { position: absolute; bottom: -30px; left: -30px; background-color: var(--color-accent); color: var(--color-primary-dark); padding: 20px 30px; border-radius: var(--border-radius-main); display: flex; align-items: center; gap: 15px; box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3); }
.exp-number { font-size: 2.5rem; font-weight: 800; line-height: 1; }
.exp-text { font-weight: 700; font-size: 0.9rem; line-height: 1.2; }

/* --- 2. DLACZEGO MY (Karuzela - Nieskończona Pętla) --- */
.carousel-wrapper { position: relative; padding: 0 60px; max-width: 100%; }
.carousel-viewport { overflow: hidden; padding: 20px 0; }
.carousel-track { display: flex; gap: 30px; }
.feature-card { flex: 0 0 calc((100% - 60px) / 3); padding: 40px 30px; transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease; text-align: center; }
.feature-card:hover { transform: translateY(-10px); background: rgba(255, 255, 255, 0.15); border-color: var(--color-accent); }
.icon-box { font-size: 3rem; color: var(--color-accent); margin-bottom: 25px; display: inline-block; transition: 0.3s; }
.feature-card h3 { font-size: 1.3rem; margin-bottom: 15px; font-weight: 700; color: var(--color-white); }
.feature-card p { font-size: 0.9rem; color: #dddddd; }

.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); background-color: var(--color-accent); color: var(--color-primary-dark); border: none; width: 50px; height: 50px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; transition: var(--transition-fast); z-index: 10; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.carousel-btn:hover { background-color: var(--color-white); color: var(--color-primary); }
.prev-btn { left: 0; }
.next-btn { right: 0; }

/* --- 3. OFERTA --- */
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.offer-item { background-color: var(--color-white); border-radius: var(--border-radius-main); overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.05); display: flex; flex-direction: column; }
.offer-item:hover .offer-img-box img { transform: scale(1.05); }
.offer-item:hover .offer-overlay { opacity: 1; }
.offer-img-box { position: relative; height: 250px; overflow: hidden; }
.offer-img-box img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.offer-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(10, 61, 46, 0.7); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition-fast); }
.offer-overlay i { color: var(--color-white); font-size: 2rem; background-color: var(--color-accent); padding: 20px; border-radius: 50%; }
.offer-content { padding: 25px; flex-grow: 1; }
.offer-content h3 { color: var(--color-primary); font-size: 1.3rem; margin-bottom: 10px; }
.offer-content p { color: var(--color-text-light); font-size: 0.95rem; }

/* --- 4. PROCES --- */
.process-timeline { display: flex; justify-content: space-between; position: relative; margin-top: 60px; gap: 20px;}
.process-step { flex: 1; text-align: center; position: relative; z-index: 2; padding: 40px 20px; transition: 0.3s; }
.process-step:hover { transform: translateY(-5px); border-color: var(--color-accent); }
.step-icon { width: 80px; height: 80px; background-color: transparent; border: 2px solid var(--color-accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 30px; font-size: 1.8rem; color: var(--color-accent); position: relative; }
.step-number { position: absolute; top: -5px; right: -5px; background-color: var(--color-accent); color: var(--color-primary-dark); font-size: 0.8rem; font-weight: 800; width: 25px; height: 25px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.step-content h3 { color: var(--color-white); font-size: 1.2rem; margin-bottom: 15px; }
.step-content p { color: #dddddd; font-size: 0.95rem; }

/* --- 5. WEZWANIE DO AKCJI (CTA) --- */
.cta-heading {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--color-primary);
    max-width: 900px;
    margin: 0 auto 20px auto;
    line-height: 1.3;
}

.cta-subheading {
    font-size: 1.15rem;
    color: var(--color-text-light);
    margin-bottom: 40px;
}

@media (max-width: 768px) {
    .cta-heading {
        font-size: 1.8rem;
    }
}

/* --- STOPKA --- */
footer { background-color: var(--color-footer-bg); color: #aaaaaa; padding: 80px 0 0; }
.footer-grid { 
    display: grid; 
    /* Dzielimy stopkę na 4 równe kolumny, tak jak na referencji */
    grid-template-columns: repeat(4, 1fr); 
    gap: 30px; 
    margin-bottom: 60px; 
}

/* Wymuszamy wyśrodkowanie tekstu we wszystkich kolumnach */
.footer-col { text-align: center; }

/* Centrujemy kontener z logo */
.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; }

/* Centrujemy ikony mediów społecznościowych */
.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; }

/* Usunąłem przesunięcie tekstu przy najechaniu (padding), 
ponieważ psułoby to idealną symetrię wyśrodkowanej listy */
.footer-col ul li a:hover { color: var(--color-accent); } 

/* KOLUMNA KONTAKT: Nagłówek jest na środku, ale lista tworzy wyrównany blok 
dzięki czemu ikony są w idealnej pionowej linii */
.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; }

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

/* --- RESPONSYWNOŚĆ --- */
@media (max-width: 1024px) {
    .hero-content h1 { font-size: 2.8rem; }
    .about-grid { gap: 30px; }
    .offer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .process-timeline { flex-wrap: wrap; justify-content: center; }
    .process-step { flex: 0 0 45%; }
}
@media (max-width: 992px) {
    .feature-card { flex: 0 0 calc((100% - 30px) / 2); }
}
@media (max-width: 768px) {
    /* --- 1. NAPRAWA SKAKANIA NAGŁÓWKA --- */
    #main-header { 
        padding: 15px 0 !important; 
        background-color: transparent !important;
        /* Zawsze trzymamy ramkę 1px, by box się nie kurczył */
        border-bottom: 1px solid rgba(255,255,255,0.1) !important; 
        /* Wyłączamy 'transition: all' i animujemy TYLKO kolor tła i cień */
        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; 
        /* Zmieniamy tylko KOLOR ramki na przezroczysty, grubość 1px zostaje! */
        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;
    }

    /* --- 2. MENU MOBILNE (Blur tylko na bloku z linkami) --- */
    .desktop-nav { 
        position: absolute; /* Menu zaczyna się idealnie POD nagłówkiem */
        top: 100%;
        left: 0;
        width: 100%;
        height: auto; /* Wysokość dopasowuje się tylko do ilości linków */
        
        /* Oszronione szkło (blur) zastosowane tylko na tym pojemniku */
        background-color: rgba(5, 43, 32, 0.9) !important; 
        backdrop-filter: blur(15px) !important;
        -webkit-backdrop-filter: blur(15px) !important;
        
        padding: 0; 
        z-index: 999;
        
        /* Animacja delikatnego wysuwania z góry */
        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; /* TO JEST KLUCZ - usuwa pustą przestrzeń między blokami! */
    }

    /* Paski oddzielające linki */
    .desktop-nav ul li {
        width: 100%;
        margin: 0;
        padding: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15); 
    }

    /* Pasek na samej górze pierwszego linku */
    .desktop-nav ul li:first-child {
        border-top: 1px solid rgba(255, 255, 255, 0.15);
    }

    /* Perfekcyjne wyśrodkowanie i wypełnienie całego kafelka */
    .desktop-nav ul li a {
        display: flex;
        align-items: center;       
        justify-content: center;   
        height: 75px;              
        width: 100%;               /* Wypełnia całą szerokość Li */
        padding: 0;                
        font-size: 1.05rem;
        letter-spacing: 2px;
        color: var(--color-white);
        line-height: 1;            
        margin: 0;
    }

    /* Wyłączamy animację dolnej kreski po najechaniu */
    .desktop-nav ul li a::after {
        display: none; 
    }

    .mobile-menu-toggle { 
        display: block; 
    }
    
    /* --- RESZTA REGUŁ MOBILNYCH --- */
    .hero-content h1 { font-size: 2.2rem; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; text-align: center; }
    .about-grid { grid-template-columns: 1fr; }
    .about-image { margin-top: 40px; }
    .exp-badge { left: 50%; transform: translateX(-50%); bottom: -20px; width: 80%; justify-content: center;}
    .offer-grid { grid-template-columns: 1fr; }
    .process-timeline { flex-direction: column; }
    .process-step { flex: 1; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .feature-card { flex: 0 0 100%; } 
    .carousel-wrapper { padding: 0 40px; }
    .prev-btn { left: -10px; }
    .next-btn { right: -10px; }
}

/* =========================================
   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;
    }
}