/* LAYOUT */
.main-box {
    background:#fff;
    border-radius:0px;
    overflow:hidden;
    box-shadow:0 5px 15px rgba(0,0,0,0.1);
}

/* LEFT PANEL */
.left-panel { background:#fff; height:100%; }

/* TABS */
.tab-menu { display:flex; gap:0px; margin-bottom:20px; }
.tab-menu a {
    width:12.50%;
    height:55px;
    background:#003B68;
    color:#fff;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:0px;
    font-size:20px;
    transition:0.3s;
    border-right:1px solid white;
    text-decoration:none;
}
.tab-menu a.active { background:white; color:black; }

/* CONTENT */
.tab-content-box h3 { color:#003B68; font-size:18px; font-weight:bold; margin:20px; }
.tab-content-box p { font-size:14px; color:#555; margin:20px; margin-bottom:8px; }

/* SLIDER */
.slider {
    position:relative;
    height:100%;
    min-height:350px;
    overflow: hidden;
}
.slide {
    position:absolute;
    width:100%;
    height:100%;
    background-size:cover;
    background-position:center;
    opacity:0;
    transition: opacity 0.6s ease-in-out;
}
.slide.active { opacity:1; z-index: 1; }

/* OKLAR (NAVIGASYON) */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
    z-index: 10;
    transition: 0.3s;
    border-radius: 0 5px 5px 0;
    font-size: 24px;
}
.slider-btn:hover { background: rgba(0, 59, 104, 0.8); }
.btn-next { right: 0; border-radius: 5px 0 0 5px; }
.btn-prev { left: 0; }

.slide-caption {
    position:absolute;
    bottom:25px;
    right:25px;
    background:rgba(0,0,0,0.5);
    color:#fff;
    padding:12px 18px;
    border-radius:8px;
    font-size:18px;
    font-weight:500;
    max-width:60%;
    z-index: 5;
    backdrop-filter: blur(5px);
}

/* MOBILE */
@media (max-width:768px) {
    .slider { height:250px; }
}