:root {
    --primary-color: #00f2ff; /* Electric Cyan */
    --secondary-color: #7000ff; /* Electric Purple */
    --accent-color: #ff0055; /* Cyber Pink */
    --bg-dark: #050505;
    --bg-card: rgba(20, 20, 25, 0.7);
    --text-light: #ffffff;
    --text-muted: #e0e0e0; /* Daha açık gri */
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
    --neon-glow: 0 0 15px rgba(0, 242, 255, 0.5);
    /* Türkçe karakter desteği için standart fontlar eklendi */
    --font-heading: 'Exo 2', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-body: 'Rajdhani', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(112, 0, 255, 0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(0, 242, 255, 0.15) 0%, transparent 20%);
    color: var(--text-light);
    font-family: var(--font-body);
    font-size: 1.1rem;
    padding-top: 90px;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(var(--secondary-color), var(--primary-color));
    border-radius: 5px;
}

/* Typography */
h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

/* Navbar */
.navbar-custom {
    background-color: rgba(5, 5, 5, 0.8) !important;
    backdrop-filter: blur(15px);
    border-bottom: var(--glass-border);
    padding: 1rem 0;
}

.brand-text-1 { color: #fff; text-shadow: 0 0 10px rgba(255,255,255,0.5); }
.brand-text-2 { color: var(--primary-color); text-shadow: 0 0 10px var(--primary-color); }

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    position: relative;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary-color);
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link:hover::after {
    width: 80%;
}

/* Cards */
.card {
    background-color: var(--bg-card);
    backdrop-filter: blur(10px);
    border: var(--glass-border);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: var(--text-light); /* Varsayılan metin rengi beyaz */
}
/* ... */
.card-text {
    color: var(--text-muted); /* Hafif kırık beyaz */
}

.card-subtitle {
    color: var(--text-light) !important; /* Tam beyaz */
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 
                0 0 20px rgba(0, 242, 255, 0.2);
}

.card-img-top {
    border-bottom: var(--glass-border);
    transition: transform 0.5s;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-title {
    color: var(--primary-color);
    font-weight: 700;
}

.card-footer {
    background-color: rgba(0, 0, 0, 0.3);
    border-top: var(--glass-border);
}

/* Buttons */
.btn {
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s;
}

.btn-primary, .btn-info {
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
    border: none;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 242, 255, 0.3);
}

.btn-primary:hover, .btn-info:hover {
    box-shadow: 0 6px 20px rgba(0, 242, 255, 0.5);
    transform: translateY(-2px);
    color: #fff;
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 15px var(--primary-color);
}

/* Alerts */
.alert-warning {
    background: rgba(255, 165, 0, 0.1);
    border: 1px solid #ffa500;
    color: #ffd700;
    backdrop-filter: blur(5px);
    box-shadow: 0 0 15px rgba(255, 165, 0, 0.2);
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.8);
    border-top: var(--glass-border);
    margin-top: auto;
    padding: 3rem 0;
}

/* Product Images */
.product-main-img {
    height: 400px;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.product-thumb-img {
    height: 80px;
    object-fit: cover;
    width: 100%;
    cursor: pointer;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.product-thumb-img:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.row > div {
    animation: fadeIn 0.8s ease backwards;
}

.row > div:nth-child(1) { animation-delay: 0.1s; }
.row > div:nth-child(2) { animation-delay: 0.2s; }
.row > div:nth-child(3) { animation-delay: 0.3s; }
.row > div:nth-child(4) { animation-delay: 0.4s; }

/* Mobile Responsiveness */
@media (max-width: 768px) {
    body {
        padding-top: 80px;
        font-size: 1rem;
    }

    /* Typography Adjustments */
    .display-4 {
        font-size: 2.2rem;
    }
    
    .display-5 {
        font-size: 1.8rem;
    }

    .display-6 {
        font-size: 1.5rem;
    }

    .lead {
        font-size: 1rem !important;
    }

    /* Navbar */
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .navbar-toggler {
        border-color: rgba(255,255,255,0.1);
        padding: 0.4rem 0.6rem;
    }
    
    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.1rem var(--primary-color);
    }

    /* Product Page */
    .product-main-img {
        height: 280px;
    }
    
    .product-thumb-img {
        height: 60px;
    }

    /* Hero Section */
    .hero-section {
        padding: 1.5rem !important;
        margin-bottom: 2rem !important;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }

    /* Cards */
    .card-img-top {
        height: 180px;
    }

    /* Alerts & Buttons */
    .alert {
        padding: 1rem;
    }
    
    .btn-lg {
        font-size: 0.9rem;
        padding: 0.8rem 1.5rem;
    }

    /* Spacing */
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .mt-4 {
        margin-top: 1rem !important;
    }
    
    .mb-5 {
        margin-bottom: 2rem !important;
    }
}