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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.navbar {
    background-color: #2c3e50;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    color: white;
    font-size: 24px;
    font-weight: bold;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover,
.nav-links a.active {
    color: #3498db;
}

.hero {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 15px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

.btn {
    background-color: white;
    color: #2980b9;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.btn:hover {
    background-color: #ecf0f1;
    transform: translateY(-3px);
}

.content {
    max-width: 900px;
    margin: 50px auto;
    padding: 0 20px;
}

.content h1, .content h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.content ul {
    margin: 20px 0;
    padding-right: 20px;
}

.content li {
    margin: 10px 0;
}

form {
    max-width: 600px;
    margin: 30px auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 16px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #3498db;
}

footer {
    text-align: center;
    padding: 30px;
    background-color: #2c3e50;
    color: white;
    margin-top: 50px;
}

/* رسالة النجاح */
.success {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin: 20px auto;
    max-width: 600px;
}

.hidden {
    display: none;
}