/* TEMEL AYARLAR */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
}

/* ÜST MAVİ MENÜ (GERİ GELDİ) */
.header {
    background-color: #1a3a5f;
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
}

.logo span {
    color: #ffcc00;
}

.navbar {
    display: flex;
    gap: 2rem;
}

.navbar a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
}

.navbar a:hover, .navbar a.active {
    background-color: #ffcc00;
    color: #1a3a5f;
    transform: translateY(-2px);
}

/* ANA SAYFA HERO BÖLÜMÜ */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
                url('images/1.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 1rem;
    margin-top: 70px; /* Menü yüksekliği kadar boşluk */
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero-content h2 span {
    color: #ffcc00;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    background-color: #ffcc00;
    color: #1a3a5f;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn:hover {
    background-color: #e6b800;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* TÜM BÖLÜMLER İÇİN ORTAK STİL */
.section {
    padding: 5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #1a3a5f;
}

.section-title span {
    color: #ffcc00;
}

/* FAALİYET ALANLARI */
.activities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.activity-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
    border: 1px solid #f0f0f0;
}

.activity-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.activity-card i {
    font-size: 3rem;
    color: #1a3a5f;
    margin-bottom: 1rem;
}

.activity-card h3 {
    color: #1a3a5f;
    margin-bottom: 1rem;
}

/* PROJELER */
.projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-left: 5px solid #1a3a5f;
    border: 1px solid #f0f0f0;
}

.project-card h3 {
    color: #1a3a5f;
    margin-bottom: 0.5rem;
}

.status {
    display: inline-block;
    padding: 0.3rem 1rem;
    background-color: #e9f7ef;
    color: #2a8c5a;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-top: 1rem;
    font-weight: 500;
}

/* HAKKIMIZDA */
.about-content {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 2rem;
    line-height: 1.8;
    border: 1px solid #f0f0f0;
}

/* İLETİŞİM BÖLÜMÜ */
.contact-content {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 2rem;
    border: 1px solid #f0f0f0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 2rem;
}

.contact-info h3, .contact-form h3 {
    color: #1a3a5f;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.contact-info p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: flex-start;
}

.contact-info i {
    color: #1a3a5f;
    width: 25px;
    margin-right: 10px;
    margin-top: 3px;
}

/* SADE SOSYAL MEDYA */
.social-media {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.social-media h4 {
    color: #1a3a5f;
    margin-bottom: 1rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: transparent;
    color: #1a3a5f;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s;
    font-size: 1.2rem;
    border: 1px solid #ddd;
}

.social-icon:hover {
    background-color: #ffcc00;
    color: #1a3a5f;
    transform: translateY(-3px);
    border-color: #ffcc00;
    box-shadow: 0 5px 15px rgba(255, 204, 0, 0.2);
}

/* FORUM ALANLARI */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1a3a5f;
    box-shadow: 0 0 0 2px rgba(26, 58, 95, 0.1);
}

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

.form-group button {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background-color: #e9f7ef;
    color: #2a8c5a;
    border: 1px solid #2a8c5a;
}

.form-message.error {
    background-color: #fde8e8;
    color: #c53030;
    border: 1px solid #c53030;
}

/* FOOTER */
.footer {
    background-color: #1a3a5f;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

/* MOBILE UYUM */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: 1rem;
        position: relative;
    }
    
    .logo h1 {
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .navbar {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .navbar a {
        font-size: 0.9rem;
        padding: 0.5rem 0.8rem;
    }
    
    .hero {
        margin-top: 0;
        height: 80vh;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .section {
        padding: 3rem 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    /* MOBILE İÇİN İLETİŞİM DÜZENİ */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info, .contact-form {
        padding: 1.5rem;
    }
    
    .activities, .projects {
        grid-template-columns: 1fr;
    }
    
    .social-icons {
        justify-content: center;
    }
}

/* BÜYÜK EKRANLAR İÇİN */
@media (min-width: 1200px) {
    .section {
        max-width: 1400px;
    }
}