.footer {
    background-color: var(--second-color);
}

.footer-top {
    padding: 60px 0 50px;
}

.logo-footer img {
    width: 350px;
    max-width: 100%;
    margin-bottom: 15px;
}

.footer-col h2 {
    font-size: 18px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-col-1 {
    padding-right: 20%;
}

.footer-col-1 p ,
.footer-col-4 p  {
    color: var(--sixth-color);
    line-height: 1.7;
    margin-bottom: 15px;
    text-align: justify;
}

.footer-col-2 p a {
    color: var(--sixth-color);
    font-size: 15px;
}

.footer-col-2 p a:hover {
    color: var(--fifth-color);
}

.footer-col-2 p {
    padding: 6px 0;
}

.dk-nhantin .title {
    font-size: 15px;
    color: var(--sixth-color);
    margin-bottom: 25px;
}

.dk-nhantin input {
    width: 100%;
    border: 2px solid #d5dbe6;
    padding: 9px 20px;
    margin-bottom: 20px;
    height: 50px;
    line-height: 50px;
}

.dk-nhantin button {
    background-color: #FFF;
    border: none;
}

.social-icons {
    text-align: right;
}

.social-icons ul li {
    display: inline-block;
    margin-left: 10px;
}

.social-icons ul li a img {
    width: 40px;
    height: 40px;
}

.footer-bottom {
    background-image: url('../images/line-dot.png');
    background-position: top center;
    background-repeat: repeat-x;
    padding: 35px 0 25px;
}

.copyright {
    font-size: 16px;
    color: var(--sixth-color);
}

.backtotop {
    cursor: pointer;
    background: var(--fifth-color);
    bottom: 10px;
    color: var(--second-color);
    font-size: 12px;
    font-weight: 700;
    height: 55px;
    padding: 2px;
    position: fixed;
    right: 9px;
    text-align: center;
    text-transform: uppercase;
    width: 55px;
    z-index: 8;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.backtotop svg {
    width: 28px;
    height: 22px;
    margin-bottom: -8px;
}

.backtotop svg path {
    stroke: #fff;
}

#button-contact-vr {
	bottom: 60%;
    margin: -10px;
    transform: scale(0.8) translateY(50%);
    margin-bottom: 0px !important;
    position: fixed;
    z-index: 8;
    right: 10px;
}

#gom-all-in-one #viber-vr {
    transition: 1.3s all;
    -moz-transition: 1.3s all;
    -webkit-transition: 1.3s all;
}

#button-contact-vr .button-contact {
    position: relative;
    margin-top: -5px;
}

#button-contact-vr .button-contact .phone-vr {
    position: relative;
    visibility: visible;
    background-color: transparent;
    width: 90px;
    height: 90px;
    cursor: pointer;
    z-index: 11;
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transition: visibility 0.5s;
    left: 0;
    bottom: 0;
    display: block;
}

#viber-vr .phone-vr-circle-fill {
    box-shadow: 0 0 0 0 #2196f3;
    background-color: rgba(33, 150, 243, 0.7);
}

.phone-vr-circle-fill {
    width: 70px;
    height: 70px;
    top: 6px;
    left: 6px;
    position: absolute;
    box-shadow: 0 0 0 0 #c31d1d;
    background-color: rgba(230, 8, 8, 0.7);
    border-radius: 50%;
    border: 2px solid transparent;
    -webkit-animation: phone-vr-circle-fill 2.3s infinite ease-in-out;
    animation: phone-vr-circle-fill 2.3s infinite ease-in-out;
    transition: all 0.5s;
    -webkit-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    transform-origin: 50% 50%;
    -webkit-animuiion: zoom 1.3s infinite;
    animation: zoom 1.3s infinite;
}

#button-contact-vr .button-contact .phone-vr {
    position: relative;
    visibility: visible;
    background-color: transparent;
    width: 80px;
    height: 80px;
    cursor: pointer;
    z-index: 11;
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transition: visibility 0.5s;
    left: 0;
    bottom: 0;
    display: block;
}

.phone-vr-img-circle a {
    display: block;
    line-height: 37px;
}

.phone-vr-img-circle img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
}

#gom-all-in-one #zalo-vr {
    transition: 1s all;
    -moz-transition: 1s all;
    -webkit-transition: 1s all;
}

#button-contact-vr .button-contact {
    position: relative;
    margin-top: 15px;
}

#zalo-vr .phone-vr-circle-fill {
    box-shadow: 0 0 0 0 #2196f3;
    background-color: rgba(33, 150, 243, 0.7);
}

#gom-all-in-one #phone-vr {
    transition: 0.7s all;
    -moz-transition: 0.7s all;
    -webkit-transition: 0.7s all;
}

#phone-vr .phone-vr-circle-fill {
    opacity: 0.7;
    box-shadow: 0 0 0 0 #dd2223;
}

.phone-bar a,
#phone-vr .phone-vr-circle-fill,
#phone-vr .phone-vr-img-circle,
#phone-vr .phone-bar a {
    background-color: #dd2223;
}

.phone-bar a,
#phone-vr .phone-vr-circle-fill,
#phone-vr .phone-vr-img-circle,
#phone-vr .phone-bar a {
    background-color: #dd2223;
}

#phone-vr .phone-vr-circle-fill {
    opacity: 0.7;
    box-shadow: 0 0 0 0 #dd2223;
}

.phone-vr-img-circle {
    background-color: #e60808;
    width: 60px;
    height: 60px;
    line-height: 40px;
    top: 12px;
    left: 12px;
    position: absolute;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    -webkit-animation: phonering-alo-circle-img-anim 1s infinite ease-in-out;
    animation: phone-vr-circle-fill 1s infinite ease-in-out;
}

#zalo-vr .phone-vr-img-circle {
    background-color: #2196f3;
}

#viber-vr .phone-vr-img-circle {
    background-color: #2196f3;
}

@-webkit-keyframes phone-vr-circle-fill {
    0% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
    }

    10% {
        -webkit-transform: rotate(-25deg) scale(1) skew(1deg);
    }

    20% {
        -webkit-transform: rotate(25deg) scale(1) skew(1deg);
    }

    30% {
        -webkit-transform: rotate(-25deg) scale(1) skew(1deg);
    }

    40% {
        -webkit-transform: rotate(25deg) scale(1) skew(1deg);
    }

    50% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
    }

    100% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
    }
}

 @keyframes zoom {
    0% {
        transform: scale(0.9);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 15px transparent;
    }

    100% {
        transform: scale(0.9);
        box-shadow: 0 0 0 0 transparent;
    }
}
.footer-hotline{
    display: none;
    position: fixed;
    left: 15px;
    bottom: 15px;
    background: #e60808;
    color: white;
    padding: 5px 15px;
    font-size: 16px;
    border-radius: 20px;
}
@media (max-width: 992px) {
    .footer-col-1 {
        padding-right: 0;
        margin-bottom: 30px;
    }   
}

@media (max-width: 768px) {
    .footer-hotline{
        display: block;
    }
    .copyright {
        margin-bottom: 20px;
        font-size: 14px;
    }
    #button-contact-vr {
        bottom: 140px;
    }
    .social-icons {
        text-align: left;
    }

    .social-icons ul li {
        display: inline-block;
        margin-left: 0;
        margin-right: 10px;
    }

    .footer-bottom {
        padding: 25px 0;
    }

    .footer-top {
        padding: 30px 0 30px;
    }

    .footer-col-2 {
        margin-bottom: 30px;
    }

    .title-footer {
        margin-bottom: 15px;
    }
}