:root {
    --bv-base: #000;
    --bv-base-rgb: 248, 176, 5;
    /* --bv-secondary: #f8b005; */
    --bv-secondary-rgb: 248, 176, 5;
    --bv-white: #ffffff;
    --bv-white-rgb: 255, 255, 255;
    --bv-black: #000000;
    --bv-black-rgb: 0, 0, 0;
    --bv-black2: #161616;
    --bv-black2-rgb: 0, 0, 0;
    --bv-text: #697585;
    --bv-text-rgb: 105, 117, 133;
    --bv-text2: #fff;
    --bv-text2-rgb: 179, 173, 225;
    --bv-soft4: #E4E4E7;
    --bv-grey: white;
    --bv-grey-rgb: 183, 176, 180;
    --bv-soft2: #F6F5F5;
    --bv-soft: #ededed;
    --bv-text: #697585;
}

section.hero-banner:before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: #000000;
    top: 0;
    opacity: .8;
}

.hero-banner {
    position: relative;
    background-color: #000;
    background-repeat: no-repeat;
    background-size: auto;
    background-position: right bottom;
    padding: 166px 0 92px;
    overflow: hidden;
    z-index: 2;
    position: relative;
}

.hero-banner__bg-shape1 {
    position: absolute;
    left: -180px;
    top: -55px;
    width: 759px;
    height: 759px;
    border-radius: 50%;
    background: linear-gradient(180deg, rgba(var(--bv-white-rgb), 0.09) 0%, rgba(var(--bv-white-rgb), 0) 100%);
    box-shadow: 54px 24px 39px 0px rgba(var(--bv-black2-rgb), 0.02);
}

@media (max-width: 1199px) {
    .hero-banner__bg-shape1 {
        width: 640px;
        height: 640px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .hero-banner__bg-shape1 {
        width: 759px;
        height: 759px;
    }
}

.hero-banner__bg-shape1::after {
    position: absolute;
    left: -140px;
    top: -140px;
    content: "";
    width: calc(100% + 280px);
    height: calc(100% + 280px);
    border-radius: 50%;
    background: linear-gradient(180deg, rgba(var(--bv-white-rgb), 0.09) 0%, rgba(var(--bv-white-rgb), 0) 100%);
    box-shadow: 54px 24px 39px 0px rgba(var(--bv-black2-rgb), 0.02);
    animation-fill-mode: both;
    animation: blinker 1.5s ease-in-out infinite;
    -webkit-animation: blinker 1.5s ease-in-out infinite;
    -moz-animation: blinker 1.5s ease-in-out infinite;
}

.hero-banner__bg-round {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0%;
    left: 0%;
    animation: circle 15s cubic-bezier(0.68, -0.55, 0.27, 1.55) infinite;
}

.hero-banner__bg-round-border {
    width: 33px;
    height: 33px;
    border-radius: 100%;
    border: 1px solid #D9D9D9;
    position: absolute;
    right: 250px;
    top: 0;
}

.hero-banner__content {
    position: relative;
    z-index: 4;
    /* padding: 90px 0 0; */
}

@media (max-width: 1199px) {
    .hero-banner__content {
        padding: 45px 0 0;
    }
}

@media (max-width: 991px) {
    .hero-banner__content {
        padding: 0;
    }
}

.hero-banner__subtitle {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--bv-white);
    margin: 0 0 8px;
}

.hero-banner__subtitle strong {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    border-radius: 32px;
    border: solid 2px #b57e10;
    background: linear-gradient(90deg, rgb(237, 207, 89) 0%, rgb(249, 171, 25) 16.827%, rgb(249, 223, 123) 32.8%, rgb(255, 243, 166) 52.4%, rgb(249, 223, 123) 72.98%, rgb(243, 170, 34) 99.999%);
    color: #000000;
    font-weight: 700;
    font-size: 16px;
    font-family: "Jost", sans-serif;
    padding: 7px 25px;
    text-decoration-line: none;
}

.hero-banner__title {
    font-size: clamp(30px, 8vw, 75px);
    line-height: 1.1;
    font-weight: 600;
    color: transparent;
    margin: 0 0 10px;
    background-image: linear-gradient(90deg, rgb(237, 207, 89) 0%, rgb(249, 171, 25) 16.827%, rgb(249, 223, 123) 32.8%, rgb(255, 243, 166) 52.4%, rgb(249, 223, 123) 72.98%, rgb(243, 170, 34) 99.999%);
    font-family: var(--font-utbebas);
    background-clip: text;
}

@media (max-width: 1400px) {
    .hero-banner__title {
        font-size: 65px;
        line-height: 80px;
    }
}

@media (max-width: 1199px) {
    .hero-banner__title {
        font-size: 55px;
        line-height: 65px;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .hero-banner__title {
        max-width: 510px;
    }
}

@media (max-width: 767px) {
    .hero-banner__title {
        font-size: 40px;
        line-height: 48px;
    }
}

.hero-banner__text,
.hero-banner__content p {
    line-height: 1.5;
    color: var(--bv-white);
    position: relative;
    margin: 0 0 30px;
    font-size: 15px;
    font-weight: 400;
}

.hero-banner__text p {
    position: relative;
}

.hero-banner__text p::after {
    content: "";
    position: absolute;
    background: url(../../images/banner-1-shape-1.png) no-repeat center/contain;
    width: 85px;
    height: 85px;
    right: 109px;
    top: 90px;
    -webkit-animation-name: float-bob-y-2;
    animation-name: float-bob-y-2;
    -webkit-animation-duration: 4s;
    animation-duration: 4s;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
}

@media (max-width: 1199px) {
    .hero-banner__text p::after {
        display: none;
    }
}

.hero-banner__btn {
    display: flex;
    gap: 10px;
}

.hero-banner__btn .eduact-btn+.eduact-btn {
    margin-left: 20px;
    background-color: transparent;
    border: 1px solid var(--bv-white);
}

@media (max-width: 500px) {
    .hero-banner__btn i {
        display: none;
    }

    .hero-banner__btn .eduact-btn {
        padding: 5px 10px;
    }
}

.hero-banner__thumb {
    position: relative;
    z-index: 4;
    /* width: 642px; */
    /* height: 642px; */
    border-radius: 10px;
    padding: 8px;
    background: white;
    box-shadow: 27px 27px 30px 0px rgba(0, 0, 0, 0.08);
    /* margin: 0 0 0 20px; */
}

.hero-banner__thumb>iframe {
    width: 100%;
    height: 100%;
    border-radius: 50%;
}

/* Khi thumb chứa YouTube embed: cho phép height tự động theo tỉ lệ 16:9 */
.hero-banner__thumb:has(.hero-banner__youtube-embed) {
    height: auto !important;
}

/* YouTube embed trực tiếp trong banner */
.hero-banner__youtube-embed {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    /* tỉ lệ 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 10px;
}

.hero-banner__youtube-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 10px;
}


.hero-banner__thumb>img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

.hero-banner__cap {
    position: absolute;
    left: -46px;
    top: 50px;
}

.hero-banner__cap img {
    -webkit-animation-name: float-bob-y-2;
    animation-name: float-bob-y-2;
    -webkit-animation-duration: 4s;
    animation-duration: 4s;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
}

@media (max-width: 1199px) {
    .hero-banner__cap {
        display: none;
    }
}

.hero-banner__star {
    position: absolute;
    left: 146px;
    right: 0;
    margin: auto;
    text-align: center;
    top: -54px;
}

.hero-banner__star img {
    -webkit-animation: blinker2 3s infinite linear;
    animation: blinker2 3s infinite linear;
}

@media (max-width: 1199px) {
    .hero-banner__star {
        display: none;
    }
}

.hero-banner__map {
    position: absolute;
    right: 95px;
    top: -12px;
}

.hero-banner__map img {
    -webkit-animation: rotated 20s infinite linear;
    animation: rotated 20s infinite linear;
}

@media (max-width: 1199px) {
    .hero-banner__map {
        display: none;
    }
}

.hero-banner__book {
    position: absolute;
    right: 35px;
    bottom: 22px;
    display: none;
}

.hero-banner__book2 {
    position: absolute;
    left: 35px;
    bottom: 22px;
    display: none;
}

.hero-banner__book img,
.hero-banner__book2 img {
    -webkit-animation-name: float-bob-y-2;
    animation-name: float-bob-y-2;
    -webkit-animation-duration: 4s;
    animation-duration: 4s;
    -webkit-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
}

@media (max-width: 1199px) {

    .hero-banner__book,
    .hero-banner__book2 {
        display: none;
    }
}

.hero-banner__star2 {
    position: absolute;
    left: -166px;
    right: 0;
    margin: auto;
    text-align: center;
    bottom: -6px;
    display: none;
}

.hero-banner__star2 img {
    -webkit-animation: blinker2 3s infinite linear;
    animation: blinker2 3s infinite linear;
}

@media (max-width: 1199px) {
    .hero-banner__star2 {
        display: none;
    }
}

.hero-banner__video {
    width: 126px;
    height: 126px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: -35px;
    top: 154px;
}

@media (max-width: 1199px) {
    .hero-banner__video {
        left: 0;
        right: 0;
        margin: auto;
        top: auto;
        bottom: 55px;
    }
}

.hero-banner__video .video-popup {
    width: 49px;
    height: 49px;
    background-color: var(--bv-white);
    border-radius: 50%;
    font-size: 20px;
    color: var(--bv-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -6px;
    border: 0;
}

.hero-banner__video .video-popup:hover {
    background-color: var(--bv-black);
    color: var(--bv-white);
}

.hero-banner__video .video-popup::before {
    content: "";
    border: 1px solid rgba(var(--bv-white-rgb), 0.47);
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    display: block;
    width: calc(100% + 107px);
    height: calc(100% + 107px);
    border-radius: 50%;
    animation: zoomBig 3.25s linear infinite;
    animation-delay: 0s;
    animation-delay: 0s;
    -webkit-animation-delay: 0.55s;
    animation-delay: 0.55s;
}

.hero-banner__video .video-popup::after {
    content: "";
    border: 1px solid rgba(var(--bv-white-rgb), 0.47);
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    display: block;
    width: calc(100% + 107px);
    height: calc(100% + 107px);
    border-radius: 50%;
    animation: zoomBig 3s linear infinite;
    animation-delay: 0s;
    animation-delay: 0s;
    -webkit-animation-delay: 0s;
    animation-delay: 0s;
}

.hero-banner__cart {
    position: absolute;
    left: -73px;
    bottom: 58px;
}

@media (max-width: 1199px) {
    .hero-banner__cart {
        display: none;
    }
}

.hero-banner__cart__thumb {
    width: 67px;
    height: 67px;
    background-color: #f57005;
    border-radius: 50%;
    padding: 7px;
    margin: 0 0 -22px;
    z-index: 2;
    position: relative;
}

.hero-banner__cart__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-banner__cart__content {
    position: relative;
    width: 210px;
}

.hero-banner__cart__content-inner {
    position: relative;
    overflow: hidden;
    background-color: var(--bv-white);
    border-radius: 12px;
    padding: 26px 28px 20px;
}

.hero-banner__cart__content::after {
    position: absolute;
    left: 18px;
    top: 18px;
    width: 100%;
    height: 100%;
    content: "";
    border: 0.8px solid rgba(var(--bv-white-rgb), 0.47);
    border-radius: 7px;
    transition: all 500ms ease;
    z-index: -1;
}

.hero-banner__cart__content:hover::after {
    left: 0;
    top: 0;
    border-radius: 13px;
}

.hero-banner__cart__shape {
    position: absolute;
    right: 0;
    bottom: 0;
    fill: var(--bv-base);
    width: 88px;
    height: 38px;
}

.hero-banner__cart__title,
.hero-banner__cart__content h4 {
    font-size: 15.776px;
    color: var(--bv-black2);
    font-weight: 600;
    margin-bottom: 10px;
}

.hero-banner__cart__text {
    font-size: 12.27px;
    color: var(--bv-grey);
    font-weight: 600;
    margin-bottom: 9px;
}

.hero-banner__cart .eduact-btn {
    height: 34px;
    font-size: 15.776px;
    background-color: var(--bv-secondary);
    border-radius: 6px;
    padding: 5px 14.5px;
}

.hero-banner__cart .eduact-btn i {
    margin-left: 9px;
}

.hero-banner__cart .eduact-btn__curve {
    width: 0;
}

.hero-banner__border {
    border: 1px solid #D9D9D9;
    width: 33px;
    height: 33px;
    position: absolute;
    left: 56px;
    bottom: 203px;
    border-radius: 50%;
    animation: zoomBig 3s linear infinite;
    animation-delay: 0s;
    animation-delay: 0s;
    -webkit-animation-delay: 0s;
    animation-delay: 0s;
}

.box-banner-member {
    position: relative;
    z-index: 9999;
    padding-bottom: 120px;
}

.maybe-icon-background {
    position: absolute;
    z-index: 9;
    bottom: -30px;
    right: 0;
    width: 100%;
}

@media (max-width: 768px) {
    .maybe-icon-background {
        bottom: -8px;
    }
}

.maybe-icon-background img {
    width: 100%;
    filter: brightness(0) saturate(100%) invert(96%) sepia(0%) saturate(0%) hue-rotate(180deg) brightness(103%) contrast(95%);
}

@media (max-width: 1300px) {
    .hero-banner__border {
        display: none;
    }
}

@media (max-width: 575px) {
    .hero-banner {
        padding: 75px 0;
    }

    .box-banner-member {
        padding-bottom: 0;
    }
}