/* Font Ayarı */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

/* Background ve içerik */
.background {
    background-image: url('arkaplan.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  
}

.center-content {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.85);
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

/* Başlık renk ve font ağırlığı */
h1 {
    font-size: 48px;
    color: #2c3e50; /* Koyu mavi-gri */
    font-weight: 700;
}

h2 {
    font-size: 36px;
    color: #34495e; /* Hafif koyu gri */
    font-weight: 600;
}

h3 {
    font-size: 24px;
    color: #16a085; /* Canlı turkuaz */
    font-weight: 500;
    margin-top: 30px;
}

/* Buton stili */
.btn {
    
    display:block;
    margin-top: 10px;
    text-decoration: none;
    background-color: #4CAF50;
    color: white;
    padding: 15px 35px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.btn:hover {
    background-color: #45a049;
    transform: scale(1.05);
}

/* Üst sağdaki buton */
.top-right-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    text-decoration: none;
    background-color: #e74c3c;
    color: white;
    padding: 12px 18px;
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.top-right-btn:hover {
    background-color: #c0392b;
    transform: scale(1.05);
}

/* Footer */
footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    background-color: rgba(44, 62, 80, 0.85); /* Koyu gri-mavi */
    color: #ecf0f1; /* Açık gri / beyaz */
    padding: 12px 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
}