/* Genel stiller */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 76px;
}

/* Hero section */
.hero-section {
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                url('/images/hero/background.jpg') center/cover no-repeat fixed;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -76px;
    text-align: center;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-weight: 700;
    font-size: 3.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
}

.hero-section p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
}

/* Navbar */
.navbar {
    background-color: rgba(0, 32, 96, 0.9) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
    color: #ffffff !important;
}

.navbar-nav .nav-link {
    color: #ffffff !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Navbar-toggler stilleri */
.navbar-toggler {
    border: none !important;
    padding: 0.5rem !important;
    color: #ffffff !important;
}

.navbar-toggler:focus {
    box-shadow: none !important;
    outline: none !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

.navbar .btn-outline-light {
    color: #ffffff !important;
    border-color: #ffffff !important;
    border-width: 2px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.navbar .btn-outline-light:hover {
    background-color: #ffffff !important;
    color: rgba(0, 32, 96, 0.9) !important;
}

/* Kartlar */
.card {
    transition: transform 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card:hover {
    transform: translateY(-5px);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
}

/* Bölüm başlıkları */
section h2 {
    font-weight: 600;
    color: #333;
    position: relative;
    padding-bottom: 10px;
}

section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: #007bff;
}

/* Sosyal medya linkleri */
.social-links a {
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: #007bff !important;
}

/* Form elemanları */
.form-control:focus {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Butonlar */
.btn-outline-light {
    color: #ffffff !important;
    border-color: #ffffff !important;
    border-width: 2px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline-light:hover {
    background-color: #ffffff !important;
    color: rgba(0, 32, 96, 0.9) !important;
}

.btn-primary {
    padding: 8px 20px;
    font-weight: 500;
}

/* Accordion */
.accordion-button:not(.collapsed) {
    background-color: #e7f1ff;
    color: #0056b3;
}

/* Responsive ayarlar */
@media (max-width: 768px) {
    .hero-section {
        height: 400px;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .card-img-top {
        height: 180px;
    }
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: rgba(0, 32, 96, 0.95);
        border-radius: 8px;
        margin-top: 1rem;
        padding: 1rem;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }
    
    .navbar-nav {
        margin-bottom: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }

    /* Responsive navbar için smooth animasyon */
    .navbar-collapse {
        transition: all 0.3s ease;
        opacity: 0;
        transform: translateY(-10px);
    }
    
    .navbar-collapse.show {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Alert mesajları */
.alert {
    margin-top: 1rem;
    margin-bottom: 0;
}

/* Modal */
.modal-content {
    border-radius: 8px;
}

.modal-header {
    background-color: #f8f9fa;
    border-radius: 8px 8px 0 0;
}

/* Footer */
footer {
    margin-top: 2rem;
    background-color: rgba(0, 32, 96, 0.9) !important;
    color: #ffffff !important;
    padding: 2rem 0;
}

footer h5 {
    color: #ffffff !important;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

footer a {
    color: #ffffff !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

footer p {
    color: #ffffff;
    margin-bottom: 0.5rem;
}

footer .social-links a {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: #ffffff !important;
}

footer .social-links a:hover {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Çevrimiçi kullanıcı sayacı */
#onlineUsers {
    font-weight: bold;
}