*, ::before, ::after {
    border-width: 0;
    border-style: solid;
}

.backgroundvid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}
.main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}
#form {
    background-color: rgba(255, 255, 255, 0.383);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    overflow-x: hidden;
    margin-top: 1rem;
}
#title-form {
    text-align: center;
    color: #333;
    margin-bottom: 0.5rem;
}
.input-div {
    display: flex;
    flex-direction: column;
}
.phone-row {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    display: flex;
}
#phoneC {
    text-align: center;
    background-color:white;
    padding: 0.6rem 0.8rem;
    border-radius: 5px;
}
#phone {
    width: 100%;
}

#submit-btn {
    padding: 1rem;
    background-color: rgb(226, 37, 37);
    border-radius: 5px;
    cursor: pointer;
}
#submit-btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.form-div {
    display: flex;
    flex-direction: column;
}
.class-input {
    outline: none;
    border:  none;
    border-radius: 5px;
    padding: 1rem;
    font-size: 1rem;
    flex-direction: row !important;
}
.class-input::placeholder {
    color: #999;
}
.information {
    color: #000000;
    margin-top: 0;
    display: none;
}

.show-information {
    display: block;
}

@media screen and (min-width: 640px) {
    #form {
        width: 400px;    
    } 
}

.correct {
    outline: 2px solid green;
}
.incorrect {
    outline: 2px solid red;
}
.show-information {
    display: block;
}
.footer {
    margin-top: 0.5rem;
    text-align: center;
    padding: 0.75rem 1rem;
    background-color: rgba(255, 255, 255, 0.85);
    color: #333;
    border-top: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.08);
    width: 100%;
}
.footer a {
    color: #1a73e8;
    text-decoration: none;
    font-weight: 600;
}