/* Sayfa Genel Ayarları */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', 'Arial', sans-serif;
    background-color: #f0f2f5;
    color: #495057;
    display: flex;
    flex-direction: column;
}

/* Header (Üst Menü) */
header {
    background-color: #1a4d95;
    color: #FFFFFF;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo img {
    height: 100px;
    width: auto;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}

    nav ul li a {
        color: #F8F9FA;
        text-decoration: none;
        margin-left: 30px;
        font-weight: 500;
        font-size: 1.1rem;
        position: relative;
        transition: color 0.3s ease;
    }

        nav ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            display: block;
            margin-top: 5px;
            left: 50%;
            transform: translateX(-50%);
            background: #3498db;
            transition: width 0.4s ease;
        }

        nav ul li a:hover::after {
            width: 100%;
        }

        nav ul li a:hover {
            color: #3498db;
        }

/* Kayan Resimler (Fade/Blur Geçişli) */
.slider-container {
    width: 80%;
    max-width: 1200px;
    aspect-ratio: 16 / 9; /* Geniş ekranlarda 16:9 oranı sağlar */
    margin: 40px auto;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    border-radius: 15px;
}

.slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Resmin container'ı doldurmasını sağlar */
    opacity: 0;
    transition: opacity 1.2s ease-in-out, filter 1.2s ease-in-out;
    filter: blur(8px);
    z-index: 1;
}

    .slide.active {
        opacity: 1;
        filter: blur(0px);
        z-index: 2;
    }

/* Slider Butonları */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(52, 152, 219, 0.7);
    color: #FFFFFF;
    border: none;
    cursor: pointer;
    padding: 20px;
    font-size: 24px;
    transition: background-color 0.3s ease, color 0.3s ease;
    z-index: 3;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .slider-btn:hover {
        background-color: #1a4d95;
        color: #FFFFFF;
    }

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

/* İçerik Alanı */
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 30px;
    flex: 1;
    background-color: #FFFFFF;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

main {
    padding: 20px 0;
}

/* Footer (Alt Bilgi) */
footer {
    background-color: #1a4d95;
    color: #FFFFFF;
    text-align: center;
    padding: 25px 0;
    position: relative;
    margin-top: auto;
    box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
}

    footer .container {
        background-color: transparent;
        box-shadow: none;
        padding: 0;
        color: inherit;
    }

/* İletişim Sayfası Harita */
.map-container {
    max-width: 100%;
    margin: 20px auto;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

    .map-container iframe {
        width: 100%;
        height: 400px;
        display: block;
    }

/* Destek ve İletişim Formu */
.contact-form-container {
    max-width: 700px;
    margin: 40px auto;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.contact-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #1a4d95;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 5px;
    font-size: 1rem;
    color: #495057;
    transition: border-color 0.3s ease;
}

    .contact-form input:focus,
    .contact-form textarea:focus {
        border-color: #3498db;
        outline: none;
        box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
    }

.contact-form textarea {
    resize: vertical;
}

/*
  ==========================================
  Mobil Uyumlu Tasarım (Responsive Design)
  ==========================================
*/

/* Hamburger Menü Stilleri */
.hamburger-menu {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
}

    .hamburger-menu .bar {
        display: block;
        width: 25px;
        height: 3px;
        background-color: #FFFFFF;
        margin: 5px auto;
        transition: all 0.3s ease-in-out;
    }

.mobile-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(26, 77, 149, 0.95);
    z-index: 999;
    padding-top: 80px;
    text-align: center;
    transform: translateX(-100%);
    transition: transform 0.4s ease-in-out;
}

    .mobile-nav.active {
        display: block;
        transform: translateX(0);
    }

    .mobile-nav ul {
        list-style: none;
        padding: 0;
    }

        .mobile-nav ul li a {
            color: #FFFFFF;
            text-decoration: none;
            font-size: 1.5rem;
            padding: 15px;
            display: block;
            transition: background-color 0.3s ease;
        }

            .mobile-nav ul li a:hover {
                background-color: #3498db;
            }

/* Menü açıldığında body'nin kaydırmasını engelle */
body.nav-open {
    overflow: hidden;
}

/* Mobil Görünümde Aktif Olacak Kurallar */
@media (max-width: 768px) {
    /* Genel Ayarlar */
    body {
        font-size: 14px;
    }

    .container {
        width: 95%;
        margin: 20px auto;
        padding: 15px;
    }

    /* Header (Üst Menü) */
    header {
        flex-direction: row;
        padding: 15px 10px;
        justify-content: space-between;
    }

    .desktop-nav {
        display: none;
    }

    .hamburger-menu {
        display: block;
    }

        .hamburger-menu.active .bar:nth-child(2) {
            opacity: 0;
        }

        .hamburger-menu.active .bar:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .hamburger-menu.active .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

    .logo img {
        height: 80px;
        width: auto;
    }

    /* Slider Bölümü */
    .slider-container {
        aspect-ratio: 4 / 3;
        width: 95%;
        margin: 20px auto;
        border-radius: 10px;
    }

    .slider-btn {
        padding: 12px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .prev-btn {
        left: 10px;
    }

    .next-btn {
        right: 10px;
    }

    /* İçerik Bölümü */
    .content h2 {
        font-size: 2rem;
    }

    .content p {
        font-size: 1rem;
    }

    /* Destek Formu */
    .contact-form-container {
        padding: 20px;
    }

    /* Footer (Alt Bilgi) */
    footer {
        padding: 15px 0;
    }
}