/* SEO ve Responsive Tasarım Kontrol Listesi */

/* Meta Etiketleri */
.meta-title {
    /* SEO için başlık uzunluğu 50-60 karakter arası olmalı */
    max-width: 60ch;
}

.meta-description {
    /* SEO için açıklama uzunluğu 150-160 karakter arası olmalı */
    max-width: 160ch;
}

/* Responsive Tasarım Yardımcıları */
@media (max-width: 640px) {
    .mobile-only {
        display: block;
    }
    
    .desktop-only {
        display: none;
    }
}

@media (min-width: 641px) {
    .mobile-only {
        display: none;
    }
    
    .desktop-only {
        display: block;
    }
}

/* Erişilebilirlik İyileştirmeleri */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Resim Optimizasyonu */
img {
    max-width: 100%;
    height: auto;
}

/* Lazy Loading için */
.lazy-load {
    transition: opacity 0.3s;
}

.lazy-load:not(.loaded) {
    opacity: 0;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Sayfa Hızı İyileştirmeleri */
.content-visibility-auto {
    content-visibility: auto;
}

/* Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-fadeIn {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

.animate-slideDown {
    animation: slideDown 0.3s ease-in-out;
}

/* Breadcrumb Stillemesi */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    list-style: none;
    background-color: #f8f9fa;
    border-radius: 0.25rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    padding: 0 0.5rem;
    color: #6c757d;
}

/* Sayfa Yükleniyor Göstergesi */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.3s, visibility 0.3s;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 86, 179, 0.3);
    border-radius: 50%;
    border-top-color: #0056b3;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Mobil Menü İyileştirmeleri */
@media (max-width: 768px) {
    .mobile-menu-open {
        overflow: hidden;
    }
    
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: 40;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
    }
    
    .mobile-menu-open .mobile-menu-overlay {
        opacity: 1;
        visibility: visible;
    }
    
    #main-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 300px;
        height: 100%;
        background-color: white;
        z-index: 50;
        padding: 1rem;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    }
    
    #main-menu:not(.hidden) {
        transform: translateX(0);
    }
    
    #main-menu ul {
        margin-top: 1rem;
    }
    
    #main-menu li {
        margin-bottom: 0.5rem;
    }
    
    #main-menu .group ul {
        position: static;
        box-shadow: none;
        padding-left: 1rem;
        margin-top: 0.5rem;
    }
}

/* Sayfa Geçişleri */
.page-transition {
    transition: opacity 0.3s ease-in-out;
}

.page-transition.loading {
    opacity: 0;
}

/* Yazı Tipi Optimizasyonu */
body {
    text-rendering: optimizeSpeed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Baskı Stilleri */
@media print {
    header, footer, .no-print {
        display: none !important;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    a {
        text-decoration: none;
        color: black;
    }
    
    .container {
        width: 100%;
        max-width: 100%;
        padding: 0;
        margin: 0;
    }
}