.tarihce-sayfa {
    padding-top: 0;
}

.tarihce-bg {
    background-image: url('images/2.jpg');
}

.zaman-cizgisi {
    position: relative;
    max-width: 1300px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.zaman-cizgisi-cizgi {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, transparent, #333 5%, #333 95%, transparent);
    transform: translateX(-50%);
}

.zaman-cizgisi-oge {
    position: relative;
    width: 50%;
    padding: 20px 50px;
    box-sizing: border-box;
}

.zaman-cizgisi-oge.left {
    left: 0;
    padding-right: 70px;
    text-align: right;
}

.zaman-cizgisi-oge.right {
    left: 50%;
    padding-left: 70px;
    text-align: left;
}

.zaman-cizgisi-oge::before {
    content: "";
    position: absolute;
    top: 32px;
    width: 14px;
    height: 14px;
    background: #1a1a1a;
    border: 2px solid #444;
    border-radius: 50%;
    z-index: 2;
    transition: all 0.3s ease;
}

.zaman-cizgisi-oge.left::before {
    right: -8px;
}

.zaman-cizgisi-oge.right::before {
    left: -8px;
}

.zaman-cizgisi-oge:hover::before {
    background: #fff;
    border-color: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

.zaman-cizgisi-tarih {
    font-size: 14px;
    font-weight: 700;
    color: #666;
    margin-bottom: 12px;
    letter-spacing: 0.1em;
}

.zaman-cizgisi-card {
    background: #141414;
    border: 1px solid var(--kenarlik);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.zaman-cizgisi-card:hover {
    transform: scale(1.03);
    border-color: #333;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.zaman-cizgisi-gorsel {
    width: 100%;
    aspect-ratio: 3 / 2;
    overflow: hidden;
}

.zaman-cizgisi-gorsel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.zaman-cizgisi-card:hover .zaman-cizgisi-gorsel img {
    transform: scale(1.05);
}

.zaman-cizgisi-icerik {
    padding: 20px;
}

.zaman-cizgisi-icerik h3 {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
    color: #fff;
}

.zaman-cizgisi-icerik p {
    margin: 0;
    font-size: 14px;
    color: #888;
    line-height: 1.5;
}

.zaman-cizgisi-detay {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, margin-top 0.3s ease;
}

.zaman-cizgisi-detay p {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #2a2a2a;
    font-size: 13px;
    color: #999;
    line-height: 1.6;
}

.zaman-cizgisi-card:hover .zaman-cizgisi-detay {
    max-height: 200px;
}

nav a.active {
    color: #fff;
}