body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #111111;
    background-color: #f9f9f9;
    margin: 0;
    padding: 0;
}

/* Header */
header {
    font-size: 0.9rem;
    background-color: #ffffff;
    color: #111111;
}

header i {
    margin-right: 5px;
    color: #c40000;
}

/* Navbar */
.navbar {
    padding: 1rem 0;
    background-color: #ffffff;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: #111111;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #c40000;
}

/* Footer */
footer {
    font-size: 0.95rem;
    background-color: #111111;
    color: #f2f2f2;
}

footer a {
    color: #ccc;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
    text-decoration: underline;
}

.konteynir {
    max-width: 1000px;
    margin: 60px auto;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(318px, 1fr));
    gap: 20px;
    justify-items: center;
}

.document {
    width: 318px;
    text-align: center;
    cursor: pointer;
}

.document img {
    width: 318px;
    height: 318px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.document img:hover {
    transform: scale(1.03);
}

.document p {
    margin-top: 10px;
    font-size: 16px;
    color: black;
}

/* Popup Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    justify-content: center;
    align-items: center;
}

.modal-content {
    max-width: 80%;
    max-height: 80%;
    border-radius: 8px;
}

.modal img {
    width: 100%;
    height: auto;
    display: block;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 30px;
    color: white;
    cursor: pointer;
}

.about-header {
  text-align: center;
  margin-top: 12%;
  margin-bottom: 40px;
}

/* Responsive Düzenlemeler */
@media (max-width: 767.98px) {
    header .container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .navbar-brand img {
        height: 40px;
    }

    footer .text-md-right {
        text-align: center !important;
        margin-top: 1rem;
    }

    .document {
        width: 100%;
    }

    .document img {
        width: 100%;
        height: auto;
    }
}

.page-header {
    background: url('../img/header3.jpeg') center center / cover no-repeat;
    height: 300px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header .overlay {
    background: rgba(0, 0, 0, 0.5);
    /* karartma efekti */
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1rem;
    margin: 0;
}