/* Temel Ayarlar */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

/* Yükleniyor (Preloader) Ekranı */
.preloader {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #fff;
    z-index: 99999;
    display: flex;
    justify-content: center;
    align-items: center;
}
.spinner {
    width: 50px; height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* Menü (Navbar) */
.navbar-default {
    background-color: #fff;
    border: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.mt_btn_yellow {
    background-color: #f1c40f;
    color: #fff;
    font-weight: bold;
    border-radius: 3px;
}

/* Slider ve Kutular */
.carousel-inner .item img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
    image-rendering: -webkit-optimize-contrast; /* Chrome ve Safari için zorunlu keskinleştirme */
    image-rendering: crisp-edges; /* Firefox için keskinleştirme */
    transform: translateZ(0); /* Grafik kartı ivmelendirmesini (GPU Acceleration) tetikler */
}
.caption_slide1 {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 10%;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}
.white { color: #fff !important; }

/* Hizmet Kutuları */
.box {
    background: #fff;
    padding: 20px;
    box-shadow: 0 0 15px rgba(0,0,0,0.05);
    transition: 0.3s;
    border-radius: 5px;
}
.box:hover {
    transform: translateY(-5px);
}
.box-content h3 { font-size: 18px; font-weight: 700; margin-top: 15px; }

/* Footer */
#mt_footer {
    background: #222;
    color: #ccc;
    padding: 50px 0 20px;
}
#mt_footer h3 { color: #fff; }
.mt_footer_copy {
    background: #111;
    padding: 15px 0;
    margin-top: 30px;
}