/* Genel Sıfırlama ve Temel Stiller [cite: 162] */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.kapsayici {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Üst Menü Stilleri [cite: 179] */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .kapsayici {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

header h1 {
    color: #667eea;
    font-size: 1.8rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

nav a:hover {
    color: #667eea;
    background-color: #f0f0f0;
}

nav a.aktif {
    color: #667eea;
    background-color: #e8e8ff;
}

/* Karşılama Bölümü [cite: 217] */
.karsilama {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 100%);
    color: white;
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.karsilama h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.karsilama p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.karsilama button {
    background-color: white;
    color: #667eea;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.karsilama button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Ana İçerik Alanı [cite: 252] */
main {
    background-color: white;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.2);
}

/* Blog Kartları Izgara Düzeni [cite: 260] */
.blog-izgara {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Blog Kartı Stilleri [cite: 267] */
.blog-karti {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    animation: belirme 0.6s ease-out; /* Animasyon [cite: 391] */
}

.blog-karti:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    border-color: #667eea;
}

.kart-basligi {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.kategori {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: bold;
}

.tarih {
    color: #888;
    font-size: 0.85rem;
}

.blog-karti h3 {
    color: #333;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
}

.blog-karti p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.devamini-oku {
    background-color: #667eea;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.devamini-oku:hover {
    background-color: #5568d3;
    transform: translateX(5px);
}

/* İstatistikler Bölümü [cite: 322] */
.istatistikler {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    margin-top: 3rem;
    padding: 2rem 0;
    border-top: 2px solid #f0f0f0;
}

.istatistik-kutusu {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    flex: 1;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.istatistik-kutusu h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.istatistik-kutusu p {
    font-size: 1rem;
    opacity: 0.9;
}

/* Alt Bilgi Bölümü [cite: 348] */
footer {
    background-color: rgba(255, 255, 255, 0.95);
    color: #666;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
}

footer p {
    margin: 0.3rem 0;
}

/* Duyarlı Tasarım (Mobil Uyumluluk) [cite: 359] */
@media (max-width: 768px) {
    header .kapsayici {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .karsilama h2 {
        font-size: 1.8rem;
    }

    .blog-izgara {
        grid-template-columns: 1fr;
    }

    .istatistikler {
        flex-direction: column;
    }
}

/* Animasyonlar [cite: 380] */
@keyframes belirme {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}