:root {
    --bg-body: #f4f6f9;
    --text-color: #212529;
    --primary: #495057;
    --primary-hover: #fbfbfb;
    --secondary: #6c757d;
    --navbar-bg: #1a1a1a;
    --navbar-link: #ffffff;
    --navbar-hover-bg: rgba(8, 9, 10, 0.33);
    --footer-bg: #212529;
    --footer-text: #cccccc;
    --border-color: #e2e8f0;
}

body.dark-mode {
    --bg-body: #121212;
    --text-color: #f1f1f1;
    --navbar-bg: #000000;
    --navbar-link: #ffffff;
    --navbar-hover-bg: rgba(8, 9, 10, 0.33);
    --footer-bg: #111111;
    --footer-text: #cccccc;
    --border-color: #444444;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Quicksand', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-color);
    scroll-behavior: smooth;
    transition: background-color 0.3s, color 0.3s;
}

/* Navbar */
.navbar {
    transition: background-color 0.3s ease;
    padding: 0.6rem 0;
    font-size: 1.05rem;
    z-index: 1050;
    background-color: var(--navbar-bg);
}

.navbar-transparent {
    background-color: transparent !important;
}

.navbar-brand img {
    height: 60px;
    padding: 0.25rem 0.75rem;
    background-color: var(--navbar-hover-bg);
    border-radius: 8px;
    transition: transform 0.3s ease;
}

    .navbar-brand img:hover {
        transform: scale(1.05);
    }

.navbar-nav .nav-link {
    color: var(--navbar-link);
    font-weight: 600;
    padding: 0.6rem 1rem;
    border-radius: 0.3rem;
    transition: all 0.3s ease;
}

    .navbar-nav .nav-link:hover {
        background-color: var(--navbar-hover-bg);
        color: var(--primary-hover);
    }

    .navbar-nav .nav-link.active {
        background-color: var(--navbar-hover-bg) !important;
        color: var(--primary-hover) !important;
        font-weight: 700;
        border-radius: 0.3rem;
    }

/* Sosyal Medya */
.navbar-social {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding-top: 0.5rem;
}

    .navbar-social a {
        color: var(--navbar-link);
        font-size: 1.2rem;
        transition: color 0.3s;
    }

        .navbar-social a:hover {
            color: var(--primary-hover);
        }

/* Tema Butonu */
#themeToggle {
    background: none;
    border: none;
    color: var(--navbar-link);
    font-size: 1.3rem;
    transition: transform 0.3s, color 0.3s;
    cursor: pointer;
}

    #themeToggle:hover {
        transform: rotate(20deg);
        color: var(--primary-hover);
    }

/* Kart */
.card {
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
    background-color:#f9f9f9;
    color: var(--text-color);
}

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

/* Slider */
#heroSlider, .carousel-item {
    height: 100vh;
    width: 100%;
    position: relative;
}

    .carousel-item img, .carousel-item video {
        object-fit: cover;
        width: 100%;
        height: 100%;
    }

.slider-center-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    color: white;
    text-align: center;
    padding: 2rem;
}

    .slider-center-content h1 {
        font-size: 3.5rem;
        background-color: rgba(0, 0, 0, 0.6);
        padding: 1rem 2rem;
        border-radius: 0.6rem;
        text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.4);
    }

/* Butonlar */
.btn {
    font-weight: 600;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: #495057; border-color: #495057;
    color: #fff;
}

    .btn-primary:hover {
        background-color: #343a40; 
        border-color: #343a40;
    }

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 4rem 0 2rem;
    font-size: 0.95rem;
    border-top: 1px solid var(--border-color);
}

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

        footer a:hover {
            color: var(--primary-hover);
        }

    footer h5, footer h6 {
        color: white;
    }

/* WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 90px;
    right: 20px;
    background-color: #25D366;
    color: white;
    font-size: 45px;
    padding: 6px 20px;
    border-radius: 50%;
    z-index: 1000;
    box-shadow: 0 1px 20px 5px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

    .whatsapp-float:hover {
        background-color: #1ebe5d;
    }

/* Scroll Top */
.scroll-top {
    position: fixed;
    bottom: 10px;
    right: 20px;
    background-color: #2125294a; color: white;
    font-size: 20px;
    padding: 15px 20px;
    border-radius: 50%;
    display: none;
    z-index: 999;
    transition: opacity 0.3s ease;
    cursor: pointer;
}

    .scroll-top.show {
        display: block;
    }

/* Responsive */
@media (max-width: 768px) {
    .navbar-brand img {
        height: 48px;
    }

    .slider-center-content h1 {
        font-size: 2rem;
    }

    .carousel-item {
        height: 60vh;
    }

    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
    }

    .navbar-social {
        flex-direction: column;
        gap: 0.5rem;
        padding-top: 1rem;
    }
}