html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
}

/* ================= HEADER ================= */
.site-header {
    height: 112px;
    background: #003720;
    position: relative;
    display: flex;
    align-items: center;
    padding-left: 40px;
    color: #fff;
}

/* Logo solda */
.header-logo img {
    height: 96px;
    z-index: 2;
}

/* Yazı GERÇEK ortada */
.header-text-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-size: 26px;
    font-weight: 600;
    letter-spacing: 1px;
    white-space: nowrap;
}


/* ================= SPLIT ALAN ================= */
.split-wrapper {
    display: flex;
    width: 100%;
    height: calc(100vh - 80px);
    overflow: hidden;
}

/* SOL - SAĞ BLOKLAR */
.split-box {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* LINK */
.split-link {
    display: block;
    width: 100%;
    height: 100%;
}

/* GÖRSEL */
.split-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: grayscale(100%) blur(4px);
    transform: scale(1.05);
    transition: all 1s ease-in-out;
}

/* KARARTMA */
.split-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.35);
    backdrop-filter: blur(2px);
    transition: all 1s ease-in-out;
}

/* HOVER */
.split-link:hover .split-bg {
    filter: grayscale(0%) blur(0px);
    transform: scale(1.12);
}

.split-link:hover .split-overlay {
    background: rgba(0,0,0,0.15);
    backdrop-filter: blur(0px);
}

/* ORTA YAZI 
.split-title {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 52px;
    letter-spacing: 12px;
    color: white;
    z-index: 10;
    text-shadow: 0 10px 30px rgba(0,0,0,0.6);
    opacity: 0.85;
    transition: all 0.6s ease;
}

/* YAZI HOVER 
.split-link:hover .split-title {
    letter-spacing: 18px;
    opacity: 1;
}*/

.split-title-group {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 10;
    color: #fff;
}

.split-title {
    font-size: 52px;
    letter-spacing: 12px;
    text-shadow: 0 10px 30px rgba(0,0,0,0.6);
    opacity: 0.9;
    transition: all 0.6s ease;
}

.split-subtitle {
    margin-top: 15px;
    font-size: 18px;
    letter-spacing: 2px;
    opacity: 0.75;
}

/* Hover’da başlık vurgusu */
.split-link:hover .split-title {
    letter-spacing: 18px;
    opacity: 1;
}

.split-link:hover .split-subtitle {
    opacity: 1;
}



/* ================= MOBİL ================= */
@media(max-width: 900px) {

    .site-header {
        flex-direction: column;
        height: auto;
        padding: 15px;
        gap: 10px;
        text-align: center;
    }

    .header-text {
        font-size: 16px;
    }

    /* 🔑 KRİTİK KISIM */
    .split-wrapper {
        flex-direction: column;
        height: calc(100vh - 100px); /* header yüksekliği kadar düş */
    }

    .split-box {
        flex: none;
        height: 50%;
        min-height: 50%;
    }

    .split-title {
        font-size: 28px;
        letter-spacing: 6px;
    }
}