body {
    background: linear-gradient(90deg, #D9D9D9 0%, #415A71 100%);
}

.contact-container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-form {
    background: #D9D9D9;
    display: flex;
    flex-direction: column;
    padding: 2vw 4vw;
    width: 90%;
    max-width: 600px;
    border-radius: 10px;
}

form h3 {
    color: #415A71;
    font-weight: 800;
    margin-bottom: 20px;
}

form input, textarea {
    border: 0;
    margin: 10px 0;
    padding: 20px;
    outline: none;
    font-size: 16px;
    font-family: 'Raleway', sans-serif;
}

form button {
    padding: 15px;
    background: #415A71;
    color: #D9D9D9;
    font-size: 18px;
    border: 0;
    outline: none;
    cursor: pointer;
    width: 150px;
    margin: 20px auto 0;
    border-radius: 30px;
}

/* Popup styles */
.popup {
    visibility: hidden;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #f44336;
    color: white;
    padding: 16px;
    border-radius: 5px;
    z-index: 1000;
}

.popup.success {
    background-color: #4CAF50;
}

.popup.show {
    visibility: visible;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

@keyframes fadein {
    from {bottom: 0; opacity: 0;}
    to {bottom: 20px; opacity: 1;}
}

@keyframes fadeout {
    from {bottom: 20px; opacity: 1;}
    to {bottom: 0; opacity: 0;}
}