:root {
    --primary-color: #0066cc;
    --text-color: #333;
    --background-color: #fff;
    --nav-height: 50px;
    --container-width: 1400px;
    --sidebar-width: 380px;
    --content-max-width: calc(var(--container-width) - var(--sidebar-width) - 50px);
    --mobile-breakpoint: 768px;
    --tablet-breakpoint: 1024px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* Ana Navigasyon - Masaüstü */
.main-nav {
    background-color: #0066cc;
    height: 60px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center; /* Menüyü ortala */
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

/* Site başlığı */
.site-title {
    position: absolute; /* Başlığı mutlak konumlandır */
    left: 20px; /* Sol kenardan boşluk */
    color: white;
    font-size: 18px;
    font-weight: 500;
    display: none; /* Masaüstünde gizli */
}

/* Menü toggle butonu */
.menu-toggle {
    position: absolute; /* Butonu mutlak konumlandır */
    right: 20px; /* Sağ kenardan boşluk */
    display: none;
}

/* Ana menü listesi */
.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    height: 100%;
    justify-content: center; /* Menü öğelerini ortala */
}

.main-nav li {
    height: 100%;
    position: relative;
}

/* Menü linkleri için yeni stiller */
.main-nav a {
    color: white;
    text-decoration: none;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    font-size: 14px;
    transition: all 0.3s ease;
    background: transparent; /* Arka planı kaldır */
}

/* Hover efekti düzeltmesi */
.main-nav a:hover {
    background: transparent; /* Hover'da arka plan olmasın */
    color: rgba(255, 255, 255, 0.8); /* Hafif opaklık efekti */
}
/* Tedavi dropdown menüsü */
.main-nav li:hover .dropdown-content {
    display: block;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #0066cc;
    min-width: 250px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    z-index: 1000;
}

.dropdown-content a {
    padding: 12px 20px;
    height: auto;
    white-space: nowrap;
    font-size: 14px;
    color: white;
    background: transparent;
}

.dropdown-content a:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Mobil menü butonu */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: white;
    margin: 5px 0;
    transition: 0.3s;
}

/* Mobil görünüm */
@media (max-width: 768px) {
    .site-title {
        position: static; /* Mobilde normal akışa dön */
        display: block;
    }
    
    .menu-toggle {
        position: static; /* Mobilde normal akışa dön */
        display: block;
    }

    .main-nav ul {
        justify-content: flex-start; /* Mobilde sola yasla */
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: #0066cc;
        flex-direction: column;
        height: auto;
        display: none;
    }

    .main-nav.menu-open ul {
        display: flex;
    }

    .main-nav li {
        height: auto;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .main-nav a {
        padding: 15px 20px;
        justify-content: flex-start;
    }

    .dropdown-content {
        position: static;
        background-color: rgba(0, 0, 0, 0.1);
        box-shadow: none;
        display: none;
    }

    .dropdown.active .dropdown-content {
        display: block;
    }

    /* Hamburger menü animasyonu */
    .menu-open .menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .menu-open .menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* Küçük mobil cihazlar için ek optimizasyonlar */
@media (max-width: 480px) {
    .main-nav {
        padding: 0 15px;
    }

    .site-title {
        font-size: 16px;
    }

    .main-nav a {
        padding: 14px 15px;
        font-size: 14px;
    }

    .dropdown-content a {
        padding: 12px 15px 12px 30px !important;
        font-size: 13px;
    }

    .menu-toggle {
        width: 28px;
        height: 28px;
    }
}

/* Hero Bölümü */
.hero {
    height: 300px;
    background: linear-gradient(to bottom, #4a90e2, #357abd);
    margin-top: var(--nav-height);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    perspective: 1px;
    transform-style: preserve-3d;
}

/* Hero animasyonu */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background-image: url('https://sinekucusmasi.com.tr/fliegen.png');
    background-size: 500px auto;
    opacity: 0.75;
    pointer-events: none;
    transform: translateZ(-1px) scale(2);
    animation: floaterMove 20s linear infinite;
}

@keyframes floaterMove {
    0% {
        transform: translateZ(-1px) scale(2) translateY(0);
    }
    100% {
        transform: translateZ(-1px) scale(2) translateY(-50%);
    }
}

.hero h1 {
    color: white;
    font-size: 48px;
    text-align: center;
    z-index: 1;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

/* Ana İçerik Container */
main {
    display: flex;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 20px;
    position: relative;
    gap: 30px;
}

/* Sidebar stilleri optimizasyonu */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    position: sticky;
    top: calc(var(--nav-height) + 20px);
    height: fit-content;
    /*max-height: calc(100vh - var(--nav-height) - 40px);*/
    overflow-y: auto;
}

.side-nav {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: relative; /* Tooltip için pozisyon referansı */
}

.side-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.side-nav a {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
    position: relative;
    font-size: 14px;
    line-height: 1.4;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
    border-left: 3px solid transparent; /* Sol kenar için boşluk */
}

/* Tooltip optimizasyonu */
.side-nav a::before {
    content: attr(title);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
}

/* Tooltip ok işareti */
.side-nav a::after {
    content: '';
    position: absolute;
    left: calc(100% + 2px);
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-right-color: rgba(0,0,0,0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

/* Hover efektleri */
.side-nav a:hover {
    background-color: #f8f9fa;
    padding-left: 20px;
}

/* Sadece mouse ile hover yapıldığında tooltip göster */
@media (hover: hover) {
    .side-nav a:hover::before,
    .side-nav a:hover::after {
        opacity: 1;
        visibility: visible;
    }
}

/* Responsive düzenlemeler */
@media (max-width: 1440px) {
    .side-nav a {
        font-size: 13px;
        padding: 10px 12px;
    }
}

@media (max-width: 1200px) {
    .side-nav a::before,
    .side-nav a::after {
        display: none; /* Tooltip'i gizle */
    }
}

@media (max-width: 768px) {
    .side-nav {
        padding: 10px;
    }

    .side-nav a {
        padding: 12px 15px;
        font-size: 14px;
        white-space: normal; /* Mobilde metinler alt satıra geçebilir */
    }
}

/* Aktif menü öğesi */
.side-nav a.active {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
    border-left: 3px solid #fff; /* Aktif durumda beyaz çizgi */
    animation: slideIn 0.3s ease-out;
}

/* Aktif link için animasyon */
@keyframes slideIn {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(5px);
        opacity: 1;
    }
}

/* Scroll ile gelen bölüm için highlight efekti */
.side-nav a[href$="goz-ucusmalari-nedir"].active {
    animation: highlight 1s ease-in-out;
    position: relative;
    overflow: hidden;
}

@keyframes highlight {
    0% {
        background-color: var(--primary-color);
    }
    50% {
        background-color: #0052a3; /* Daha koyu ton */
    }
    100% {
        background-color: var(--primary-color);
    }
}

/* Pulse efekti için pseudo element */
.side-nav a[href$="goz-ucusmalari-nedir"].active::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.2);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        opacity: 0;
        transform: scale(0.95);
    }
    50% {
        opacity: 0.3;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(1.05);
    }
}

/* Performans optimizasyonları */
.side-nav a {
    will-change: padding-left, background-color;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Touch cihazlar için hover devre dışı bırakma */
@media (hover: none) {
    .side-nav a:hover {
        padding-left: 15px;
        background-color: transparent;
    }
}

.side-nav li:last-child a {
    border-bottom: none;
}

/* İçerik alanı */
.content {
    flex: 1;
    max-width: var(--content-max-width);
    min-width: 0;
    margin-left: 20px; /* Sidebar ile arasında boşluk */
}

h2 {
    color: var(--text-color);
    font-size: 32px;
    margin-bottom: 10px;
}

h3 {
    color: #666;
    font-size: 18px;
    font-weight: normal;
    margin-bottom: 20px;
}

/* Dropdown stilleri */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropbtn {
    cursor: pointer;
    transition: background-color 0.3s;
    padding: 15px 20px;
}

.dropbtn.active {
    background-color: #0052a3;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #0052a3;
    min-width: 250px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1100;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
}

.dropdown-content a {
    color: white !important;
    padding: 12px 20px;
    text-decoration: none;
    display: block;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background-color 0.3s;
}

.dropdown-content a:last-child {
    border-bottom: none;
}

.dropdown-content a:hover {
    background-color: #003d7a;
}

/* Hover efektleri */
.dropdown:hover .dropdown-content {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.dropdown:hover .dropbtn {
    background-color: #0052a3;
}

/* Çerez Bildirimi */
.cookie-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.cookie-notice.show {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.cookie-notice.hiding {
    transform: translateY(100%);
    opacity: 0;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
}

.btn-accept, .btn-preferences {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn-accept {
    background-color: var(--primary-color);
    color: white;
}

.btn-preferences {
    background-color: #f0f0f0;
    color: var(--text-color);
}

.btn-accept:hover {
    background-color: #0052a3;
}

.btn-preferences:hover {
    background-color: #e4e4e4;
}

@media (max-width: 768px) {
    .cookie-notice {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }
    
    .cookie-buttons {
        margin-top: 15px;
        justify-content: center;
    }
}

/* Mobil görünüm için düzenlemeler */
@media (max-width: 1440px) {
    :root {
        --container-width: 1200px;
        --sidebar-width: 340px;
    }
}

@media (max-width: 1200px) {
    :root {
        --container-width: 100%;
        --sidebar-width: 320px;
    }
    
    main {
        padding: 20px;
    }
}

@media (max-width: 992px) {
    :root {
        --sidebar-width: 300px;
    }
    
    .side-nav a {
        font-size: 13px;
        padding: 10px 12px;
    }
}

@media (max-width: 768px) {
    main {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        min-width: 0;
        position: static;
        margin-bottom: 20px;
    }

    .content {
        max-width: 100%;
    }

    .side-nav a {
        font-size: 14px;
        padding: 12px 15px;
        white-space: normal;
    }
}

/* İçerik bölümü için ek stiller */
.content section {
    margin-bottom: 40px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
.content section ul{
    margin-left: 4%;
}
.content p {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
    margin-bottom: 20px;
}

/* Görsel karşılaştırma alanı */
.image-comparison {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 30px 0;
    gap: 20px;
}

.image-comparison img {
    max-width: 45%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.eye-diagram {
    position: relative;
    width: 100px;
    height: 100px;
    background-color: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.eye-diagram img {
    max-width: 80%;
    height: auto;
}

/* Göz çalışması görselleri */
.eye-study-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.eye-study-images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Mobil görünüm için düzenlemeler */
@media (max-width: 768px) {
    .image-comparison {
        flex-direction: column;
    }

    .image-comparison img {
        max-width: 100%;
    }

    .eye-study-images {
        grid-template-columns: 1fr;
    }
}

/* Metin vurgulamaları */
.content strong {
    color: var(--text-color);
    font-weight: 600;
}

/* Link stilleri */
.content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s;
}

.content a:hover {
    border-bottom-color: var(--primary-color);
}

/* Bölüm başlıkları için ek stiller */
.content h2 {
    position: relative;
    padding-bottom: 10px;
}

.content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

/* İçerik bölümü için ek stiller */
.info-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-left: 4px solid var(--primary-color);
    margin: 20px 0;
}

.info-box h4 {
    color: var(--primary-color);
    margin: 0;
    font-size: 16px;
}

.citation {
    font-size: 12px;
    color: #666;
    font-style: italic;
    margin: 10px 0 20px;
}

.content section {
    margin-bottom: 40px;
}

.content p {
    margin-bottom: 15px;
}

.content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.content a:hover {
    text-decoration: underline;
}

/* Ürün reklamı stilleri */
.product-advertisement {
    display: flex;
    gap: 20px;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin: 30px 0;
    position: relative;
}

.product-image {
    flex: 0 0 200px;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.product-info {
    flex: 1;
}

.product-info h3 {
    color: var(--primary-color);
    font-size: 24px;
    margin-bottom: 10px;
}

.product-info h4 {
    font-size: 18px;
    color: #444;
    margin-bottom: 10px;
    font-weight: normal;
}

.product-type {
    color: #666;
    font-size: 14px;
}

.advertisement-label {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.1);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    color: #666;
}

.product-advertisement-large {
    margin: 30px 0;
    position: relative;
}

.product-advertisement-large img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Mobil görünüm için düzenlemeler */
@media (max-width: 768px) {
    .product-advertisement {
        flex-direction: column;
    }

    .product-image {
        flex: none;
        max-width: 200px;
        margin: 0 auto;
    }
}

/* Parallax efekti için JavaScript */

/* Tablet için medya sorguları (1024px ve altı) */
@media (max-width: 1024px) {
    main {
        padding: 15px;
        gap: 20px;
    }

    .sidebar {
        width: 220px;
    }

    .content {
        margin-left: 0;
    }
}

/* Küçük tablet için medya sorguları (834px ve altı) */
@media (max-width: 834px) {
    .hero h1 {
        font-size: 36px;
    }

    .content section {
        padding: 15px;
    }

    .image-comparison {
        flex-direction: column;
    }

    .image-comparison img {
        max-width: 100%;
    }
}

/* Mobil için medya sorguları (768px ve altı) */
@media (max-width: 768px) {
    main {
        flex-direction: column;
        padding: 10px;
    }

    .sidebar {
        position: relative;
        width: 100%;
        max-height: none;
        margin-bottom: 20px;
    }

    .side-nav {
        margin-bottom: 15px;
    }

    .content {
        width: 100%;
    }

    .product-advertisement {
        margin: 15px 0;
    }

    .hero {
        height: 200px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .main-nav ul {
        padding: 0 10px;
    }

    .dropdown-content {
        position: static;
        width: 100%;
        box-shadow: none;
    }
}

/* Küçük mobil cihazlar için medya sorguları (480px ve altı) */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 24px;
    }

    .content h2 {
        font-size: 24px;
    }

    .content h3 {
        font-size: 16px;
    }

    .product-advertisement {
        padding: 10px;
    }
    
    .product-info{
        display:none;
    }
    
    .product-card
    {
        
        align-items: center;
        justify-content: center;
    
    }
    .product-info h3 {
        font-size: 20px;
    }

    .product-info h4 {
        font-size: 16px;
    }

    .cookie-notice {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }

    .cookie-buttons {
        margin-top: 10px;
        justify-content: center;
    }
}

/* Performans optimizasyonları */
.hero::before {
    will-change: transform;
}

.side-nav a {
    will-change: padding-left, background-color;
}

.dropdown-content {
    will-change: opacity, transform;
}

/* Dokunmatik cihazlar için hover optimizasyonu */
@media (hover: hover) {
    .side-nav a:hover {
        background-color: #f8f9fa;
        padding-left: 20px;
    }

    .main-nav a:hover {
        background-color: #0052a3;
    }
}

/* Reklam stilleri optimizasyonu */
.sidebar-ad {
    margin-top: 20px;
    background: var(--background-color);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: hidden;
}

.ad-container {
    position: relative;
    display: flex;
    flex-direction: column;
}

.ad-container img {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ad-content {
    padding: 15px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.95), #fff);
}

.ad-content h3 {
    color: var(--primary-color);
    font-size: 18px;
    margin: 0 0 8px;
    font-weight: 600;
}

.ad-content p {
    font-size: 14px;
    color: var(--text-color);
    margin: 0;
    line-height: 1.4;
}

.ad-label {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: #e9ecef;
    color: #495057;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    z-index: 10;
}

/* Hover efektleri */
.ad-container:hover img {
    transform: scale(1.02);
}

/* Tablet ve mobil optimizasyonları */
@media (max-width: 1024px) {
    .sidebar-ad {
        margin-top: 15px;
    }
    
    .ad-content {
        padding: 12px;
    }
    
    .ad-content h3 {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .sidebar-ad {
        max-width: 300px;
        margin: 15px auto;
    }
    
    .ad-container {
        flex-direction: row;
    }
    
    .ad-container img {
        width: 120px;
        aspect-ratio: 1;
    }
    
    .ad-content {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .sidebar-ad {
        max-width: 100%;
    }
    
    .ad-container {
        flex-direction: column;
    }
    
    .ad-container img {
        width: 100%;
        aspect-ratio: 16/9;
    }
}

/* Performans optimizasyonları */
.ad-container img {
    will-change: transform;
    backface-visibility: hidden;
}

/* Yükleme optimizasyonu */
.sidebar-ad {
    content-visibility: auto;
    contain: layout style paint;
}

/* Sidebar menü optimizasyonu */
.side-nav {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.side-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.side-nav a {
    display: block;
    padding: 12px 20px;
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid #eee;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 15px;
    line-height: 1.2;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

/* Hover durumunda tooltip gösterimi için */
.side-nav a:hover {
    background-color: #f8f9fa;
    padding-left: 20px;
}

.side-nav a[title]:hover::after {
    content: attr(title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: normal;
    max-width: 200px;
    z-index: 1000;
    margin-left: 10px;
}

/* Aktif menü öğesi */
.side-nav a.active {
    background-color: var(--primary-color);
    color: white;
}

/* Tablet için optimizasyon */
@media (max-width: 1024px) {
    .side-nav {
        padding: 10px;
    }

    .side-nav a {
        padding: 10px 15px;
        font-size: 14px;
    }
}

/* Mobil görünüm */
@media (max-width: 768px) {
    .side-nav a {
        white-space: normal;
        font-size: 14px;
        padding: 12px 15px;
    }

    .side-nav a[title]:hover::after {
        display: none;
    }
}

/* Footer stilleri */
.main-footer {
    background-color: #f8f9fa;
    padding: 40px 0 0;
    margin-top: 60px;
    border-top: 1px solid #eee;
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-copyright {
    text-align: center;
    color: #666;
    font-size: 13px;
    padding: 20px 0;
    border-top: 1px solid #eee;
}

/* Responsive düzenlemeler */
@media (max-width: 768px) {
    .footer-links ul {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .footer-content {
        padding: 0 15px;
    }

    .main-footer {
        padding: 30px 0 0;
        margin-top: 40px;
    }
}

@media (max-width: 480px) {
    .footer-links a {
        font-size: 13px;
    }

    .footer-copyright {
        font-size: 12px;
    }

    .main-footer {
        padding: 20px 0 0;
        margin-top: 30px;
    }
}

/* Mobil menü optimizasyonları */
@media (max-width: 768px) {
    /* Ana navigasyon */
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--nav-height);
        background-color: var(--primary-color);
        z-index: 1000;
        display: flex;
        align-items: center;
        padding: 0 15px;
        justify-content: space-between;
    }

    /* Site başlığı */
    .site-title {
        color: white;
        font-size: 18px;
        font-weight: 500;
    }

    /* Hamburger menü butonu */
    .menu-toggle {
        display: block;
        width: 40px;
        height: 40px;
        padding: 8px;
        background: transparent;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }

    .menu-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: white;
        margin: 5px auto;
        transition: all 0.3s ease;
    }

    /* Hamburger menü animasyonu */
    .menu-open .menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .menu-open .menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* Ana menü listesi */
    .main-nav ul {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background-color: var(--primary-color);
        flex-direction: column;
        padding: 0;
        margin: 0;
        overflow-y: auto;
    }

    .menu-open .main-nav ul {
        display: flex;
        justify-content: flex-start;
    }

    .main-nav li {
        width: 100%;
        height: 50px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .main-nav li:last-child {
        border-bottom: none;
    }

    .main-nav a {
        display: block;
        width: 100%;
        padding: 15px;
        font-size: 16px;
        color: white;
        text-align: left;
        border: none;
    }

    /* Dropdown menü */
    .dropdown-content {
        display: none;
        background: rgba(0,0,0,0.15);
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .dropdown.active .dropdown-content {
        display: block;
    }

    .dropdown-content a {
        padding: 12px 15px 12px 30px !important;
        font-size: 15px;
        opacity: 0.9;
    }

    /* Dropdown ok işareti */
    .dropbtn::after {
        content: '›';
        position: absolute;
        right: 15px;
        transition: transform 0.3s;
    }

    .dropdown.active .dropbtn::after {
        transform: rotate(90deg);
    }
}

/* Küçük mobil cihazlar için ek optimizasyonlar */
@media (max-width: 480px) {
    .site-title {
        font-size: 16px;
    }

    .main-nav a {
        padding: 12px 15px;
        font-size: 15px;
    }

    .dropdown-content a {
        padding: 10px 15px 10px 30px !important;
        font-size: 14px;
    }
}

/* Hamburger menü butonu */
.menu-toggle {
    display: none; /* Varsayılan olarak gizli */
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        position: fixed;
        top: 10px;
        right: 15px;
        z-index: 1001;
        background: transparent;
        border: none;
        cursor: pointer;
        width: 40px;
        height: 40px;
        padding: 8px;
    }

    .menu-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: white;
        margin: 5px auto;
        transition: all 0.3s ease;
    }

    /* Hamburger menü animasyonu */
    .menu-open .menu-toggle span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-open .menu-toggle span:nth-child(2) {
        opacity: 0;
    }

    .menu-open .menu-toggle span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

.navbar {
    background-color: #0066cc;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.logo a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 1.2rem 1rem;
    display: block;
}

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #0066cc;
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: white;
    margin: 5px 0;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background-color: #0066cc;
        flex-direction: column;
    }

    .nav-links.active {
        display: flex;
    }

    .dropdown-content {
        position: static;
        box-shadow: none;
        padding-left: 1rem;
    }
}

/* Dropdown menü stilleri */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #004C99;
    min-width: 250px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content li {
    background-color: #0066cc;
    height: auto;
}

.dropdown-content a {
    padding: 12px 20px;
    height: auto;
    white-space: nowrap;
    font-size: 14px;
    color: white;
    background: transparent;
}

.dropdown-content li:last-child a {
    border-bottom: none;
}

/* Mobil görünüm için dropdown düzenlemeleri */
@media (max-width: 768px) {
    .dropdown-content {
        position: static;
        box-shadow: none;
        min-width: 100%;
        background-color: #004C99;
    }

    .dropdown-content a {
        padding-left: 40px;
    }

    /* Dropdown ok işareti */
    .dropdown > a::after {
        content: '›';
        position: absolute;
        right: 20px;
        transition: transform 0.3s;
    }

    .dropdown.active > a::after {
        transform: rotate(90deg);
    }
}

/* Aktif menü öğesi */
.main-nav a.active {
    color: white;
    font-weight: 500;
}

/* Mobil görünüm düzeltmeleri */
@media (max-width: 768px) {
    .main-nav ul {
        background-color: #0066cc;
    }

    .main-nav a {
        padding: 15px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .main-nav a:hover {
        background: rgba(255, 255, 255, 0.05); /* Mobilde hafif hover efekti */
    }

    .dropdown-content {
        background-color: rgba(0, 0, 0, 0.1);
    }

    .dropdown-content a {
        padding-left: 40px;
    }
}

/* Reklam Alanı Stilleri */
.advertisement-section {
    margin: 40px 0;
    padding: 20px;
    background-color: transparent;
    border-radius: 12px;
    border: none;
    width: 100%;
}

.product-card {
    display: flex;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
    overflow: hidden;
    padding: 25px;
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    position: relative;
}

/* Sidebar reklam alanı stilleri */
.sidebar-ad {
    margin-top: 30px;
    position: sticky;
    top: calc(var(--nav-height) + 50px);
    padding: 15px;
    background-color: transparent;
    border-radius: 12px;
    border: none;
    width: 100%;
}

.sidebar-ad .product-card {
    flex-direction: column;
    padding: 20px;
    width: 100%;
    box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}

/* Hover efektleri */
.product-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

/* Reklam etiketi stilleri */
.ad-label {
    position: absolute;
    top: 12px;
    right: 12px;
    background-color: #e9ecef;
    color: #495057;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    z-index: 10;
}

/* Ürün bilgileri stilleri */
.product-info h3 {
    color: #0066cc;
    font-size: 22px;
    margin: 0 0 10px;
    font-weight: 600;
}

.product-info h4 {
    color: #495057;
    font-size: 15px;
    margin: 0 0 12px;
    font-weight: 500;
    line-height: 1.4;
}

.product-description {
    color: #6c757d;
    font-size: 14px;
    margin: 0;
    font-weight: 400;
}

/* Ürün görseli stilleri */
.product-image {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 200px;
    margin-right: 30px;
    padding: 10px;
    background: #fff;
    border-radius: 8px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.product-image img {
    aspect-ratio: 1;
    width: 100%;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.02);
}

/* Mobil görünüm düzenlemeleri */
@media (max-width: 768px) {
    .advertisement-section {
        padding: 15px;
        margin: 30px 0;
    }

    .product-card {
        padding: 20px;
        flex-direction: column;
    }

    .product-image {
        margin: 0 0 20px 0;
    }

    .ad-label {
        position: static;
        display: inline-block;
        margin-bottom: 15px;
    }

    .sidebar-ad {
        display: none;
    }
}

/* Yan Reklam Alanı Stilleri */
.side-ad {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
}

.side-ad-toggle {
    background: white;
    padding: 15px 10px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    cursor: pointer;
    border-radius: 0 8px 8px 0;
    box-shadow: 2px 0 8px rgba(0,0,0,0.1);
    border: 1px solid #e9ecef;
    border-left: none;
    position: relative;
    z-index: 2;
}

.side-ad-content {
    width: 300px;
    background: white;
    padding: 20px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    box-shadow: 2px 0 8px rgba(0,0,0,0.1);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translate(-100%, -50%);
}

/* Sadece toggle üzerine gelindiğinde içeriği göster */
.side-ad-toggle:hover + .side-ad-content,
.side-ad-content:hover {
    transform: translate(0, -50%);
}

.side-ad .product-card {
    flex-direction: column;
    padding: 0;
    box-shadow: none;
}

.side-ad .product-image {
    margin: 0 0 15px 0;
}

.side-ad .product-info {
    text-align: center;
}

/* Mobil görünümde gizle */
@media (max-width: 768px) {
    .side-ad {
        display: none;
    }
}

/* Ana içerik ile çakışmaması için */
main {
    position: relative;
    z-index: 1;
}

/* Side nav animasyon stilleri */
.side-nav a {
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
    display: flex;
    align-items: center;
}

/* Tıklama efekti için pseudo-element */
.side-nav a::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1); /* Beyaz renk kullan */
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    z-index: 1;
}

/* Tıklama animasyonu */
.side-nav a.nav-clicked::before {
    width: 300px;
    height: 300px;
    opacity: 0;
}

/* Aktif menü öğesi için özel stil */
.side-nav a.active {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(5px);
}

/* Hover efekti - aktif durum için özel stil */
.side-nav a.active:hover {
    background-color: var(--primary-color);
    color: white;
    opacity: 0.9; /* Hafif opaklık değişimi */
    padding-left: 25px;
}

/* Link içeriğini pseudo-element'in üzerine getir */
.side-nav a span {
    position: relative;
    z-index: 2;
    pointer-events: none; /* Tıklama olaylarını engelle */
}

/* Hover efekti - normal durum */
.side-nav a:not(.active):hover {
    background-color: rgba(0, 102, 204, 0.05);
    padding-left: 25px;
}

/* Mobil optimizasyonu */
@media (max-width: 768px) {
    .side-nav a.active {
        transform: translateX(0);
    }
    
    .side-nav a.active:hover {
        padding-left: 20px;
    }
}

/* Section animasyonları için stiller */
.content section {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
    position: relative;
}

.content section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Section giriş animasyonu */
@keyframes sectionEntry {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section çıkış animasyonu */
@keyframes sectionExit {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-30px);
    }
}

/* Aktif section için stil */
.content section.active {
    animation: sectionEntry 0.6s ease-out forwards;
}

/* Section geçiş efekti */
.content section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.content section.active::after {
    transform: scaleX(1);
}

figure img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block; /* Resim altındaki boşluğu kaldırmak için */
    margin: 0 auto; /* Merkeze hizalama için */
}

/* Form Temel Stilleri */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-color-rgb), 0.1);
    background: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Checkbox Özel Tasarım */
.checkbox-container {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-left: 35px;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.4;
    color: #555;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 24px;
    width: 24px;
    background-color: #f8f9fa;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.checkbox-container:hover input ~ .checkmark {
    background-color: #f0f0f0;
}

/* Form Yükleniyor Durumu */
.btn-submit.loading {
    background-color: #ccc;
    cursor: not-allowed;
    position: relative;
}

.btn-submit.loading::after {
    content: "";
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .contact-form {
        padding: 1.5rem;
        margin: 1rem;
    }

    .form-group input,
    .form-group textarea {
        padding: 10px 14px;
    }

    .btn-submit {
        padding: 12px 24px;
    }
}

/* İletişim Sayfası Layout */
.contact-layout {
    display: grid;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* İletişim Bilgileri Bölümü */
.contact-info {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    height: fit-content;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.contact-info p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-info a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--primary-color-dark);
}

/* Form Bölümü */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Gizlilik Notu */
#gizlilik-notu {
    grid-column: 1 / -1; /* İki sütunu da kapla */
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

/* Responsive Düzen */
@media (max-width: 992px) {
    .contact-layout {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .contact-info, 
    .contact-form {
        padding: 1.5rem;
    }
}

/* Erişilebilirlik İyileştirmeleri */
:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

.skip-to-main-content {
    position: absolute;
    left: -9999px;
    z-index: 999;
    padding: 1em;
    background-color: white;
    color: var(--primary-color);
    text-decoration: none;
}

.skip-to-main-content:focus {
    left: 50%;
    transform: translateX(-50%);
}

/* Yüksek Kontrast Modu */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #000;
        --text-color: #000;
        --background-color: #fff;
    }
}

/* Back to Top Butonu */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Sayfa Yükleme Göstergesi */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
    z-index: 9999;
}

/* Form Validasyon Stilleri */
.form-group.error input,
.form-group.error textarea {
    border-color: #dc3545;
}

.form-group .error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error .error-message {
    display: block;
}

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

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, 
        #f0f0f0 25%, 
        #e0e0e0 50%, 
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* İnteraktif Elementler */
.card {
    transition: all 0.3s ease;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

/* Hover Efektleri */
.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Sayfa Geçiş Animasyonları */
.page-transition {
    animation: fadeIn 0.5s ease-out;
}

/* İnteraktif Butonlar */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300%;
    height: 300%;
}

/* Skeleton Loading için Temel Yapılar */
.skeleton-text {
    height: 1em;
    margin: 0.5em 0;
    border-radius: 4px;
}

.skeleton-image {
    aspect-ratio: 16/9;
    border-radius: 8px;
}

.skeleton-card {
    padding: 1rem;
    border-radius: 8px;
    background: white;
}

/* Animasyonlu İçerik Kartları */
.content-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.5s ease-out forwards;
}

/* Görsel Zenginleştirme */
.glass-effect {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* Hover Efektli Resimler */
.hover-zoom {
    overflow: hidden;
}

.hover-zoom img {
    transition: transform 0.3s ease;
}

.hover-zoom:hover img {
    transform: scale(1.1);
}

/* İnteraktif Form Elementleri */
.form-input {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-input label {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    transition: all 0.3s ease;
    pointer-events: none;
}

.form-input input:focus + label,
.form-input input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 0.8em;
    background: white;
    padding: 0 0.5em;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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