* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: #f4f6f8;
    color: #333;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-container {
    flex: 1;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.site-header {
    background-color: #ffffff;
    padding: 10px 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1001;
    border-bottom: 1px solid #e0e0e0;
}

.site-header .logo {
    flex-shrink: 0;
}

.site-header .logo img {
    max-height: 45px;
    width: auto;
    display: block;
}

.main-nav {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.main-nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.main-nav li {
    margin: 0 5px;
}

.main-nav a {
    text-decoration: none;
    color: #007bff;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 6px;
    transition: background-color 0.3s ease, color 0.3s ease;
    display: flex;
    align-items: center;
}

.main-nav a svg {
    margin-right: 8px;
    stroke: currentColor;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: #007bff;
    color: #ffffff;
}

.main-nav a:hover svg,
.main-nav a.active svg {
    stroke: #ffffff;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    color: #007bff;
}

.mobile-nav-toggle svg {
    width: 24px;
    height: 24px;
}

.page-title-container {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.page-title-container h1 {
    font-size: 2.2rem;
    color: #333;
    font-weight: 700;
}

.site-footer {
    text-align: center;
    padding: 20px;
    background-color: #212529;
    color: #f8f9fa;
    margin-top: auto;
}

@media (max-width: 768px) {
    .site-header {
        flex-wrap: wrap;
    }
    .main-nav {
        display: none;
        width: 100%;
        order: 3;
        margin-top: 10px;
        background-color: #ffffff;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
        border-top: 1px solid #e0e0e0;
    }
    .main-nav.active {
        display: block;
    }
    .main-nav ul {
        flex-direction: column;
        width: 100%;
        padding: 10px 0;
    }
    .main-nav li {
        margin: 5px 0;
        width: 100%;
    }
    .main-nav a {
        display: flex;
        justify-content: center;
        padding: 12px 15px;
        width: 100%;
        border-radius: 0;
    }
    .mobile-nav-toggle {
        display: block;
        order: 2;
    }
    .site-header .logo {
        order: 1;
        margin-right: auto; /* Logoyu sola iter */
    }
    .page-title-container h1 {
        font-size: 1.8rem;
    }
}

/* ANA SAYFA ÖZEL STİLLERİ - style.css'e eklenecek kısım */
.home-page-container {
    padding: 0; /* site-container'dan gelen padding'i sıfırla */
    max-width: 100%; /* Tam genişlik kullan */
}

.banner-container {
    width: 100%;
    max-width: 1024px; /* Banner'ın maksimum genişliği */
    margin: 0 auto 30px auto; /* Ortala ve altına boşluk */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
}

.banner-container img {
    display: block;
    width: 100%;
    height: auto; /* Orantılı yükseklik */
}

.intro-section {
    max-width: 900px;
    margin: 0 auto 40px auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    text-align: left;
}

.intro-section h2 {
    font-size: 1.6rem;
    font-weight: 600;
    color: #007bff;
    margin-top: 25px;
    margin-bottom: 10px;
    line-height: 1.4;
}
.intro-section h2:first-child {
    margin-top: 0;
}

.intro-section p {
    font-size: 1rem;
    color: #3c3c43;
    line-height: 1.7;
    margin-bottom: 15px;
}

.app-download-section {
    text-align: center;
    padding: 30px 20px;
    background-color: #e9ecef; /* Hafif gri arka plan */
    border-radius: 12px;
    max-width: 900px;
    margin: 0 auto 40px auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.app-download-section h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 15px;
}

.app-download-section p {
    font-size: 1rem;
    color: #3c3c43;
    line-height: 1.6;
    margin-bottom: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.play-store-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    background-color: #28a745; /* Yeşil buton */
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.play-store-button:hover {
    background-color: #218838; /* Koyu yeşil */
}

.play-store-icon {
    width: 28px;
    height: 28px;
    margin-right: 10px;
    /* SVG renkleri kendi içinden geliyor */
}

/* Genel site container'ı home.php için ayarlamalar */
/* Bu kural zaten style.css içinde varsa, bu satırı atlayın veya mevcut olanı güncelleyin */
.site-container {
    padding: 20px; /* Diğer sayfalarda padding kalsın */
}
.home-page-container + .site-footer { /* Eğer home page sonrası footer geliyorsa */
    margin-top: 0; /* Ana sayfada footer'a çok boşluk olmasın */
}

@media (max-width: 768px) {
    .banner-container {
        margin-left: 10px; /* Mobilde kenar boşlukları */
        margin-right: 10px;
    }
    .intro-section {
        margin-left: 10px;
        margin-right: 10px;
        padding: 15px;
    }
    .intro-section h2 {
        font-size: 1.4rem;
    }
    .intro-section p {
        font-size: 0.95rem;
    }
    .app-download-section {
        margin-left: 10px;
        margin-right: 10px;
        padding: 20px 15px;
    }
    .app-download-section h3 {
        font-size: 1.5rem;
    }
    .app-download-section p {
        font-size: 0.95rem;
    }
    .play-store-button {
        padding: 10px 20px;
        font-size: 1rem;
    }
    .play-store-icon {
        width: 24px;
        height: 24px;
    }
}
/* ANA SAYFA ÖZEL STİLLERİ SONU */


/*İLETİŞİM SİTİLLERİ */

.contact-form-container {
    max-width: 700px;
    margin: 30px auto;
    padding: 25px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
    position: relative; /* Hata mesajları için */
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 1rem;
    color: #495057;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
    border-color: #dc3545; /* Kırmızı çerçeve */
}

.form-group input.is-invalid:focus,
.form-group textarea.is-invalid:focus {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220,53,69,.25);
}

.invalid-feedback {
    display: block; /* Hata mesajını göster */
    width: 100%;
    margin-top: .25rem;
    font-size: .875em; /* Bootstrap ile uyumlu boyut */
    color: #dc3545; /* Kırmızı hata mesajı */
}

.char-count {
    font-size: 0.8rem;
    color: #6c757d;
    text-align: right;
    margin-top: 4px;
}

.submit-button {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

.submit-button:hover {
    background-color: #0056b3;
}

.form-message { /* Hem üstteki genel mesaj hem de alan bazlı hata için kullanılabilir */
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 6px;
    font-size: 0.95rem;
}
.form-message-top { /* Sadece formun üstündeki genel mesaj için */
    margin-bottom: 20px;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}
.form-message.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.form-group.honeypot {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    height: 0;
    width: 0;
    z-index: -1;
}

@media (max-width: 768px) {
    .contact-form-container {
        margin-left: 10px;
        margin-right: 10px;
        padding: 20px;
    }
}

/* İLETİŞİM SİTİLLERİ SONU */