/* Temel Ayarlar */
html {
    scroll-behavior: smooth;
}

body {
    background-color: #0f172a;
    /* İnce ızgara deseni - Teknolojik Görünüm */
    background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* Yazı Seçim Rengi */
::selection {
    background: #3b82f6;
    color: white;
}

/* Scrollbar (Kaydırma Çubuğu) Tasarımı */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #0f172a;
}

::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3b82f6;
}

/* Giriş Efekti (Fade In Up) */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* S.S.S (Akordeon) Animasyonu */
details > summary {
    list-style: none;
}
details > summary::-webkit-details-marker {
    display: none;
}

details[open] summary ~ * {
    animation: sweep .3s ease-in-out;
}

@keyframes sweep {
    0%    {opacity: 0; transform: translateY(-10px)}
    100%  {opacity: 1; transform: translateY(0)}
}

/* Hizmet Kartları Efekti */
.service-card {
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(59, 130, 246, 0.2);
}