:root {
    --text-color: #ffffff;
    --text-dark: #333333;

    --color-accent-1: #00B2FF;
    --color-accent-2: #dcdcdc;
}


/* BACKGROUND */
/* START */
body.bg-image {
    background: url('../images/background.png') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    position: relative;
}

body.bg-image::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    /* mờ 40% */
    z-index: 0;
}

body.bg-image .container {
    position: relative;
    z-index: 1;
}

/* END */



/* HEADER */
/* START */
.profile-header h1 {
    color: var(--text-color);
}

.profile-avatar {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border: 3px solid var(--color-accent-1);
}

/* END */


/* SOCIAL LINKS */
/* START */

.social-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}


/* END */


/* QR */
/* START */
.qr-item {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.qr-img {
    display: block;
    width: 80%;
    /* width: 80; */
}

.qr-content {
    width: 80%;
}

.qr-content span {
    color: var(--text-color);
}
.qr-img-mobile {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.4s ease;
}

.qr-img-mobile.show {
    max-height: 500px;
    opacity: 1;
}


/* END */



.card-style {
    position: relative;
    border: 3px solid var(--color-accent-2);
    border-radius: 15px;
    overflow: hidden;
    color: var(--text-color);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-style::before {
    content: "";
    position: absolute;
    inset: 0;
    background-color: rgba(160, 160, 160, 0.5);
    z-index: 0;
    transition: background-color 0.3s ease;
}

.card-style>* {
    position: relative;
    z-index: 1;
}

.card-style:hover {
    transform: scale(1.03);
}



/* Màn hình <=1240px */
@media (max-width: 1240px) {
    .qr-img {
        width: 90%;
    }

    .qr-content {
        width: 90%;
    }
}