:root {
   
    --primary-bg: #101820;
    --secondary-bg: #101820;
    --accent-color:#C3A94D;
    --text-color-light: #E0E0E0; 
    --nav-text-color: #E0E0E0; 
    --nav-bg-scrolled: rgba(16, 24, 32, 0.95);
    --font-primary: 'Montserrat', sans-serif;
    --max-width: 1400px;
    --header-height: 80px;
}



.hero-section {
    position: relative;
    padding: 180px 0 100px;
    background-color: var(--primary-bg);
    color: var(--text-color-white); 
    text-align: center;
    min-height: 600px;
    overflow: hidden;
    
}


.hero-image-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
   
    background-color: rgba(0, 0, 0, 0.7); 
    z-index: 1; 
}


.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; 
    opacity: 0;
    transition: opacity 1.5s ease-in-out; 
    z-index: 2; 
    filter: brightness(0.35) contrast(1.1);
}

.hero-bg-img.active {
    opacity: 0.8; 
    z-index: 3;
}


.hero-section > .container {
    position: relative;
    z-index: 10; 
    height: 100%;
    display: flex;
    align-items: center;
    text-align: center;
}

.hero-content {
    width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(#E0E0E0);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
}


.category-section {
    padding: 80px 0;
    background-color: var(--secondary-bg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-color-light);
    margin-bottom: 60px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}


.category-item {
    background-color: var(--primary-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 0 20px #E0E0E0; 
    transition: transform 0.3s ease;
    text-align: center;
    height: 100%; 
    display: flex;
    flex-direction: column;
    
}


.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-color-light);
    margin-bottom: 60px;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}

.category-item {
    background-color: var(--primary-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease;
    text-align: center;
    height: 100%; 
    display: flex;
    flex-direction: column;
}

.category-item:hover {
    transform: translateY(-5px);
}


.urun-carousel {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    padding-top: 60%; 
    margin-bottom: 20px;
}

.carousel-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}

.carousel-img.active {
    opacity: 1;
    z-index: 10;
}

.carousel-img img {
    width: 100%;
    height: 100%;
    object-fit: contain; 
    background-color: #3a3a3a; 
}

.category-item h3 {
    color: var(--accent-color);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.category-item p {
    color: var(--text-color-light);
    font-size: 1rem;
    margin-bottom: 20px;
    flex-grow: 1; 
}

.pompa-specs {
    list-style: none;
    padding: 0;
    text-align: left;
    margin-top: auto; 
}

.pompa-specs li {
    color: var(--text-color-light);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.pompa-specs .icon {
    color: #4CAF50; 
    margin-right: 10px;
    font-weight: 900;
}


.cta-section {
    background-color: var(--primary-bg);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 10px;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--text-color-light);
    margin-bottom: 30px;
}