* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #95c5fb; 
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    background-color: #ffffff;
    padding: 40px 35px;
    border-radius: 18px;
    box-shadow: 0 8px 25px rgba(26, 95, 122, 0.15);
    width: 100%;
    max-width: 450px;
    border-top: 7px solid #1a5f7a; 
}

h2 {
    text-align: center;
    color: #154c79; 
    margin-bottom: 30px;
    font-size: 26px;
}

.form-group {
    margin-bottom: 22px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #444444;
    font-weight: bold;
    font-size: 15px;
}

input[type="email"],
input[type="text"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 13px 15px;
    border: 2px solid #bdd7ee; 
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background-color: #f8fbff;
}

input:focus, textarea:focus {
    border-color: #2c97a5; 
    outline: none;
    box-shadow: 0 0 0 3px rgba(44, 151, 165, 0.1);
}


.checkbox-group {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: #1a5f7a; 
}

.checkbox-group label {
    margin: 0;
    font-weight: normal;
    color: #555;
    cursor: pointer;
}


button[type="submit"] {
    width: 100%;
    padding: 15px;
    background: linear-gradient(to right, #2c97a5, #1a5f7a); 
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 10px;
}

button[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(26, 95, 122, 0.35);
}


.error-message {
    color: #dc3545;
    font-size: 13px;
    margin-top: 6px;
    display: block;
}