/* --- CSS: PREMIUM & EXCLUSIVE STYLE (OSTATECZNA WERSJA) --- */

/* 1. Reset i Czcionki */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Definicja palety kolorów i zmiennych */
:root {
    --color-primary: #b8860b; /* Ciemne Złoto/Mosiądz */
    --color-secondary: #1a1a1a; /* Bardzo Ciemny Grafit/Czerń */
    --color-text-light: #f5f5f5; /* Prawie Biały */
    --color-background-glass: rgba(255, 255, 255, 0.05); /* Przezroczyste tło */
    --color-shadow-dark: rgba(0, 0, 0, 0.4);
}

body {
    font-family: 'Open Sans', sans-serif;
    color: #444; 
    line-height: 1.6;
    background-image: url('bg_apartamenty.jpg');
    background-size: cover;
    background-attachment: fixed;
    background-position: center center;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

/* 2. Nawigacja - Ciemna i Subtelna */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--color-secondary); 
    padding: 15px 50px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 10px var(--color-shadow-dark);
}

.logo {
    color: var(--color-primary); 
    font-size: 1.8em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
}

.nav-links a {
    color: var(--color-text-light);
    text-decoration: none;
    margin-left: 35px;
    font-size: 0.95em;
    font-weight: 400;
    letter-spacing: 1px;
    transition: color 0.3s, border-bottom 0.3s;
    padding-bottom: 5px;
}

.nav-links a:hover {
    color: var(--color-primary); 
    border-bottom: 2px solid var(--color-primary);
}

/* 3. Header - GLASSMORPHISM i Głęboki Kontrast */
header {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    background: rgba(0, 0, 0, 0.1); 
}

.header-content {
    padding: 60px 80px;
    max-width: 900px;
    
    /* STYLE GLASSMORPHISM */
    background: var(--color-background-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    
    box-shadow: 0 10px 40px var(--color-shadow-dark);
}

.header-content h1 {
    font-size: 4.5em;
    margin-bottom: 15px;
    color: var(--color-primary); 
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.8);
}

.header-content p {
    font-size: 1.5em;
    font-weight: 300;
    margin-bottom: 40px;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.6);
}

.button {
    display: inline-block;
    padding: 16px 40px;
    background-color: var(--color-primary); 
    color: var(--color-secondary); 
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: none;
    border-radius: 50px; 
    font-weight: 700;
    transition: background-color 0.3s, transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.button:hover {
    background-color: #d4af37; 
    transform: translateY(-3px); 
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* 4. Sekcje Główne - Czyściejsza Biała Baza */
main section {
    padding: 90px 40px;
    margin: 60px auto;
    max-width: 1200px;
    background-color: rgba(255, 255, 255, 0.98); 
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

main section h2 {
    text-align: center;
    font-size: 3em;
    margin-bottom: 40px;
    color: var(--color-secondary);
}

main section h2::after {
    content: '';
    display: block;
    width: 100px;
    height: 3px;
    background-color: var(--color-primary);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 5. Karty Apartamentów (GRID Layout) */
.apartments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.apartment-card {
    background-color: var(--color-text-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: left; 
}

.apartment-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2); 
}

.card-image {
    height: 220px;
    background-color: #333; 
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-style: italic;
    font-size: 0.9em;
}

.apartment-card h3 {
    padding: 20px 25px 5px;
    color: var(--color-secondary);
}

.apartment-card .details {
    font-size: 0.9em;
    color: #777;
    padding: 0 25px;
    margin-bottom: 10px;
}

.apartment-card p {
    padding: 0 25px 20px;
    font-weight: 300;
}

.card-button {
    display: block;
    padding: 18px 25px;
    background-color: var(--color-secondary);
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 700;
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}

.card-button:hover {
    background-color: var(--color-primary);
    color: var(--color-secondary);
}

/* 6. STYLE FORMULARZA KONTAKTOWEGO (ULEPSZONY - BARDZIEJ LUKSUSOWY) */
.contact-form {
    max-width: 650px; 
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px; 
    padding: 40px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: var(--color-text-light); 
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05); 
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
    padding: 16px 20px; 
    border: 2px solid #eee; 
    border-radius: 4px;
    font-size: 1.05em;
    color: #444;
    background-color: #fafafa;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--color-primary); 
    box-shadow: 0 0 8px rgba(184, 134, 11, 0.4);
    outline: none;
    background-color: white;
}

.contact-form textarea {
    resize: vertical;
}

.contact-form .button {
    width: 100%;
    text-align: center;
    margin-top: 15px;
    padding: 18px;
    border: none;
    
    /* Grafitowe tło przycisku - mocny kontrast */
    background-color: var(--color-secondary); 
    color: var(--color-text-light);
    
    transition: background-color 0.3s, box-shadow 0.3s;
    transform: none; 
}

.contact-form .button:hover {
    /* Złoty kolor przy najechaniu */
    background-color: var(--color-primary);
    color: var(--color-secondary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transform: none;
}


/* 7. Stopka */
footer {
    text-align: center;
    padding: 30px;
    background-color: var(--color-secondary); 
    color: #777;
    font-size: 0.9em;
    margin-top: 60px;
}

/* 8. Responsywność */
@media (max-width: 768px) {
    .header-content h1 {
        font-size: 3em;
    }

    .header-content p {
        font-size: 1.2em;
    }
    
    nav {
        padding: 15px 20px;
    }
    
    .nav-links {
        display: none; 
    }

    .logo {
        font-size: 1.5em;
    }
    
    main section {
        padding: 60px 20px;
    }
}