/* GENEL */
body {
    background: linear-gradient(180deg, #eaf6fb 0%, #d7eef7 100%);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #0f2a3a;
}

/* LİNKLER */
a {
    text-decoration: none;
    color: #0f4c75;
    transition: color 0.3s ease;
}
a:hover {
    color: #3282b8;
}

/* NAVBAR */
.navbar-arka-renk {
    background: rgba(63, 161, 197, 0.95);
    backdrop-filter: blur(6px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.navbar .nav-link {
    color: #ffffff !important;
    font-weight: 500;
}

.navbar .nav-link:hover {
    color: #eaf6fb !important;
}

/* LOGO / İSİM */
.banner-yazi {
    background: linear-gradient(135deg, #4fa3d1, #3a8fb7);
    border: none;
    border-radius: 14px;
    padding: 8px 18px;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    transition: transform 0.3s ease;
}
.banner-yazi:hover {
    transform: scale(1.05);
}

/* ARAMA */
.ara {
    background-color: #ffffff;
    border: 2px solid #b8e1f2;
    border-radius: 8px;
    color: #0f2a3a;
    transition: all 0.3s ease;
}
.ara::placeholder {
    color: #7aaec6;
}
.ara:hover,
.ara:focus {
    border-color: #4fa3d1;
    box-shadow: 0 0 0 3px rgba(79,163,209,0.25);
}

/* AYIRICI */
.cizgi {
    border-top: 3px solid #b8e1f2;
    margin: 0;
}

/* DROPDOWN */
.dersler {
    background-color: #eaf6fb;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}
.dersler a {
    color: #0f2a3a;
}
.dersler a:hover {
    background-color: #d7eef7;
    color: #0f4c75;
}

/* SLIDER */
.sliderimg {
    height: 420px;
    object-fit: cover;
    filter: brightness(0.9);
}

.yaziarka {
    background: rgba(255,255,255,0.85);
    color: #0f2a3a;
    border-radius: 18px;
    padding: 22px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    animation: fadeUp 0.8s ease;
}

.yaziarka h3 {
    color: #0f4c75;
    font-weight: 700;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* FOOTER */
.footer {
    background: linear-gradient(180deg, #0f4c75, #0b3a59);
    color: #ffffff;
    text-align: center;
    padding: 40px 20px;
}

.footer h2 {
    letter-spacing: 1px;
}

.footer hr {
    border-color: rgba(255,255,255,0.2);
}

/* SOSYAL MEDYA */
.socialmedia {
    display: flex;
    justify-content: center;
    gap: 16px;
    background: transparent;
    border: none;
    width: auto;
}

.socialmedia a {
    font-size: 2rem;
    color: #bbe1fa;
    transition: transform 0.3s ease, color 0.3s ease;
}

.socialmedia a:hover {
    transform: scale(1.25);
    color: #ffffff;
}

/* KARTLAR */
.cardbackground {
    background-color: #ffffff;
    border: 2px solid #b8e1f2;
    color: #0f2a3a;
    border-radius: 14px;
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.cardbackground-2 {
    border: 2px solid #b8e1f2;
    border-radius: 14px;
}

/* TAB & ACCORDION */
.tabmenu {
    border: 2px solid #b8e1f2;
    border-radius: 14px;
    background-color: #ffffff;
    padding: 20px;
    color: #0f2a3a;
}

.accordion-item {
    background-color: #ffffff;
    border: none;
}

/* FORM */
.divform {
    width: 50%;
    background-color: #ffffff;
    border-radius: 14px;
    padding: 20px;
    border: 2px solid #b8e1f2;
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

/* BUTON */
.buttonactive {
    background-color: #4fa3d1;
    border: none;
    color: #ffffff;
    font-weight: 600;
    border-radius: 8px;
    transition: transform 0.2s ease, background-color 0.3s ease;
}
.buttonactive:hover {
    transform: scale(1.08);
    background-color: #3282b8;
}
/* LOGO / İSİM DAHA ZARİF */
.banner-yazi {
    background: rgba(255,255,255,0.15);
    border: 1.5px solid rgba(255,255,255,0.6);
    border-radius: 12px;
    padding: 6px 16px;
    box-shadow: none;
}

.banner-yazi h1 {
    font-size: 1.6rem;
    font-weight: 500;
    margin: 0;
}
/* AKTİF MENÜ */
.navbar .nav-link.active {
    color: #ffffff !important;
    font-weight: 600;
    position: relative;
}

.navbar .nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 3px;
    background-color: #ffffff;
    border-radius: 2px;
}
/* GALERİ KART DÜZELTMELERİ */
.cardbackground {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* GÖRSEL ALANI SABİT VE DOLU */
.cardbackground img {
    width: 100%;
    height: 220px;          /* TÜM KARTLAR AYNI */
    object-fit: cover;     /* KALİTE VE DOLUM */
    display: block;
}

/* KART YAZI ALANI */
.cardbackground .card-body {
    padding: 12px;
    margin: 0;
}

/* YAZI DİKEY ORTALI */
.cardbackground .card-text {
    margin: 0;
    font-weight: 500;
}
.link-card {
    background: #ffffff;
    border-radius: 15px;
    padding: 25px;
    width: 320px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.link-card h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

.link-card p {
    font-size: 14px;
    color: #555;
    margin-bottom: 20px;
}

.btn-link {
    display: inline-block;
    background: #4fa3d1;
    color: white;
    padding: 10px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
}

.btn-link:hover {
    background: #3b8bb5;
}
.section-title {
    text-align: center;
    margin: 60px 0 30px;
    font-size: 26px;
    font-weight: 600;
    color: #1f3c4f;
}

.team-container {
    display: flex;
    justify-content: center;
    margin-bottom: 60px;
}
.carousel-item {
    height: 500px; /* İstersen 450-600 arası oynayabilirsin */
    background-color: #000; /* Siyah boşluklar için */
}
.carousel-item img {
    width: auto;
    height: 100%;
    max-width: 100%;
    object-fit: contain;

    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
}