@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap');


@font-face {
    font-family: 'UTM Aptima';
    src: url('../fonts/UTM-Aptima.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'UTM AptimaBold';
    src: url('../fonts/UTM-AptimaBold.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'UTM AptimaBoldItalic';
    src: url('../fonts/UTM-AptimaBoldItalic.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'UTM AptimaItalic';
    src: url('../fonts/UTM-AptimaItalic.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

/* Tạo một lớp CSS tùy chỉnh để thêm độ trễ chính xác */
/* Animation delay classes */
.animate-delay-03 {
    animation-delay: 0.3s !important;
}

.animate-delay-04 {
    animation-delay: 0.4s !important;
}

.animate-delay-05 {
    animation-delay: 0.5s !important;
}

.animate-delay-06 {
    animation-delay: 0.6s !important;
}

.animate-delay-07 {
    animation-delay: 0.7s !important;
}

.animate-delay-08 {
    animation-delay: 0.8s !important;
}

.animate-delay-09 {
    animation-delay: 0.9s !important;
}

.animate-delay-1 {
    animation-delay: 1s !important;
}

.animate-delay-1-1 {
    animation-delay: 1.1s !important;
}

.animate-delay-1-2 {
    animation-delay: 1.2s !important;
}

.animate-delay-1-3 {
    animation-delay: 1.3s !important;
}

.animate-delay-1-4 {
    animation-delay: 1.4s !important;
}

.animate-delay-1-5 {
    animation-delay: 1.5s !important;
}

.animate-delay-1-6 {
    animation-delay: 1.6s !important;
}

.animate-delay-1-7 {
    animation-delay: 1.7s !important;
}

.animate-delay-1-8 {
    animation-delay: 1.8s !important;
}

.animate-delay-1-9 {
    animation-delay: 1.9s !important;
}

.animate-delay-2 {
    animation-delay: 2s !important;
}

.animate-delay-2-1 {
    animation-delay: 2.1s !important;
}

.animate-delay-2-2 {
    animation-delay: 2.2s !important;
}

.animate-delay-2-3 {
    animation-delay: 2.3s !important;
}

.animate-delay-2-4 {
    animation-delay: 2.4s !important;
}

.animate-delay-2-5 {
    animation-delay: 2.5s !important;
}

.animate-delay-2-6 {
    animation-delay: 2.6s !important;
}

.animate-delay-2-7 {
    animation-delay: 2.7s !important;
}

.animate-delay-2-8 {
    animation-delay: 2.8s !important;
}

.animate-delay-2-9 {
    animation-delay: 2.9s !important;
}

.animate-delay-3 {
    animation-delay: 3s !important;
}

/* Animation duration classes */
.animate-duration-03 {
    animation-duration: 0.3s !important;
}

.animate-duration-04 {
    animation-duration: 0.4s !important;
}

.animate-duration-05 {
    animation-duration: 0.5s !important;
}

.animate-duration-06 {
    animation-duration: 0.6s !important;
}

.animate-duration-07 {
    animation-duration: 0.7s !important;
}

.animate-duration-08 {
    animation-duration: 0.8s !important;
}

.animate-duration-09 {
    animation-duration: 0.9s !important;
}

.animate-duration-1 {
    animation-duration: 1s !important;
}

.animate-duration-1-1 {
    animation-duration: 1.1s !important;
}

.animate-duration-1-2 {
    animation-duration: 1.2s !important;
}

.animate-duration-1-3 {
    animation-duration: 1.3s !important;
}

.animate-duration-1-4 {
    animation-duration: 1.4s !important;
}

.animate-duration-1-5 {
    animation-duration: 1.5s !important;
}

.animate-duration-1-6 {
    animation-duration: 1.6s !important;
}

.animate-duration-1-7 {
    animation-duration: 1.7s !important;
}

.animate-duration-1-8 {
    animation-duration: 1.8s !important;
}

.animate-duration-1-9 {
    animation-duration: 1.9s !important;
}

.animate-duration-2 {
    animation-duration: 2s !important;
}

.animate-duration-2-1 {
    animation-duration: 2.1s !important;
}

.animate-duration-2-2 {
    animation-duration: 2.2s !important;
}

.animate-duration-2-3 {
    animation-duration: 2.3s !important;
}

.animate-duration-2-4 {
    animation-duration: 2.4s !important;
}

.animate-duration-2-5 {
    animation-duration: 2.5s !important;
}

.animate-duration-2-6 {
    animation-duration: 2.6s !important;
}

.animate-duration-2-7 {
    animation-duration: 2.7s !important;
}

.animate-duration-2-8 {
    animation-duration: 2.8s !important;
}

.animate-duration-2-9 {
    animation-duration: 2.9s !important;
}

.animate-duration-3 {
    animation-duration: 3s !important;
}


.mt-7 {
    margin-top: 7rem;
}

.mt-8 {
    margin-top: 8rem;
}

.mt-9 {
    margin-top: 9rem;
}

.mt-7 {
    margin-top: 7rem;
}

.mt-10 {
    margin-top: 10rem;
}

.mt-15 {
    margin-top: 15rem;
}


body {
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    line-height: 1.5;
}

.navbar,
.nav-link,
.navbar-brand {
    font-family: "Montserrat", sans-serif;
    font-optical-sizing: auto;
    font-weight: normal;
    font-style: normal;
}

.navbar {
    background-color: #ffffff;
}

.nav-link:hover {
    text-decoration: underline;
}

.navbar-brand img {
    max-height: 50px;
}

@media (max-width: 768px) {
    .navbar-brand img {
        max-height: 70px;
    }
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

.navbar-nav .nav-link {
    color: #f46523;
}


.btn-border-gradient {
    display: inline-block;
    padding: 2px;
    background: linear-gradient(to bottom, #A244FC, #54befc);
    border-radius: 0px;
}

.btn-border-gradient:hover {
    background: linear-gradient(to bottom, #8831d4, #3daefc);
    transform: scale(1.05);
}

.btn-gradient {
    background: linear-gradient(to right, #5c00f8, #8831d4);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 0px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;

}

@media (max-width: 768px) {
    .btn-gradient {
        width: 100%;
    }
}

@media (min-device-width: 768px) and (max-device-width: 1024px) {
    .btn-gradient {
        width: 100%;
    }
}


.btn-gradient-bg-white {
    background: linear-gradient(to right, #fff, #fff);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 0px;
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;
}

.btn-gradient:hover {
    background: linear-gradient(to right, #3a00c8, #6a1bb4);
    transform: scale(1.05);
}


.text-gradient-bottom-right {
    font-weight: bold;
    font-size: 48px;
    background: linear-gradient(to bottom right, #CB3DA1, #CB3DA1, #5678c7, #A17CCA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.text-gradient-bottom-right-1 {
    font-weight: bold;
    background: linear-gradient(to right, #7099fa, #f148bf);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.text-gradient-bottom {
    font-weight: bold;
    font-size: 48px;
    background: linear-gradient(to bottom, #868EDD, #C452AD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    min-height: 30px;
}

.text-gradient-bottom-2 {
    font-weight: bold;
    font-size: 48px;
    background: linear-gradient(to bottom, #94B0EB, #9783D1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    min-height: 30px;
}

.text-gradient-bottom-3 {
    font-weight: bold;
    font-size: 40px;
    background: linear-gradient(to bottom, #B567B9, #c751a5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    min-height: 60px;
}


.sesion-1 {
    font-family: 'Montserrat', sans-serif;
    min-height: calc(100vh - 40px);
    background-image: url('../images/home-bg.jpg');
    background-size: cover;
    background-position: center center;
    font-weight: bold;
}

@media (max-width: 768px) {
    .sesion-1 {
        padding-bottom: 55px;
    }
}

.sesion-1 h1 {
    font-size: 4.35rem;
    font-weight: bold;
    text-align: center;
}

@media (max-width: 768px) {
    .sesion-1 h1 {
        font-size: 2.7rem;
        margin-bottom: 30px;
    }
}

.sesion-1 h2 {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    text-align: center;
}

.sesion-1 h3 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-size: 1.4rem;
    font-weight: bold;
    color: #fff;
    text-align: center;
}

@media (max-width: 768px) {
    .sesion-1 h3 {
        font-size: 1.1rem;
    }
}


.sesion-2 {
    font-family: 'Montserrat', sans-serif;
    min-height: calc(100vh);
    background-color: #fff;
    font-weight: bold;
}

.sesion-2 h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.6rem;
    font-weight: 800;
    text-align: center;
}

@media (max-width: 768px) {
    .sesion-2 h1 {
        font-size: 1.5rem;
    }
}

.sesion-2 h2 {
    font-size: 1.3rem;
    font-weight: bold;
    color: #000;
    text-align: center;
}

@media (max-width: 768px) {
    .sesion-2 h2 {
        line-height: 28px !important;
    }

    .sesion-2 h3 {
        font-size: 1rem;
    }
}

.sesion-2 h3 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-size: 1.3rem;
    font-weight: bold;
    color: #f3753a;
    text-align: center;

}

@media (max-width: 768px) {
    .sesion-2 .book-intro {
        padding-left: 10px !important;
        padding-right: 10px !important;
        text-align: left;
    }
}



.sesion-2 .subtitle {
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    display: inline-block;
}

.bg-orange {
    background-color: #F3753A;
    border: 0;
    border-radius: 0px;
    opacity: 1;
    height: 2px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    margin-bottom: 20px;
}

.sesion-2 ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sesion-2 ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sesion-2 ul li {
    position: relative;
    padding-left: 16px;
    margin-bottom: 12px;
}

.sesion-2 ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color: #F3753A;
}

.sesion-2 ul li p {
    padding-left: 15px;
    font-family: 'UTM Aptima', sans-serif;
    font-size: 1.1rem;
    font-weight: normal;
    color: #444;
}

@media (max-width: 768px) {
    .sesion-2 ul li p {
        font-size: 0.9rem;
    }
}

.sesion-2 button {
    font-family: 'UTM Aptima', sans-serif;
}


.btn-border-gradient-3 {
    display: inline-block;
    padding: 3px;
    background: linear-gradient(to right, #C05CC0, #628BEE);
    border-radius: 0;
    transition: all 0.3s ease;

}

@media (max-width: 768px) {
    .btn-border-gradient-3 {
        width: 100%;
    }
}

.btn-border-gradient-3 a {
    text-decoration: none;
    display: inline-block;
    background: white;
    padding: 10px 20px;
    border-radius: 0;

}

@media (max-width: 768px) {
    .btn-border-gradient-3 a {
        width: 100%;
    }
}

@media (min-device-width: 768px) and (max-device-width: 1024px) {
    .btn-border-gradient-3 a {
        width: 100%;
    }
}


.btn-border-gradient-3 .text-inside {
    border: 0;
    font-weight: bold;
    font-size: 17px;
    background: linear-gradient(to right, #628BEE, #C05CC0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
    padding: 0px 20px;
}

.btn-border-gradient-3:hover {
    background: linear-gradient(to right, #C05CC0, #628BEE);
    transform: scale(1.05);
}


.btn-border-gradient-4 {
    display: inline-block;
    padding: 2px;
    background: linear-gradient(to bottom, #A244FC, #54befc);
    border-radius: 0px;

}

.btn-gradient-4 {
    background: linear-gradient(to right, #5c00f8, #8831d4);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 0px;
    padding: 10px 40px;
    font-size: 18px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;

}

@media (max-width: 768px) {
    .btn-gradient-4 {
        width: 100%;
    }
}

@media (min-device-width: 768px) and (max-device-width: 1024px) {
    .btn-gradient-4 {
        width: 100%;
    }
}


.btn-gradient-4:hover {
    background: linear-gradient(to right, #5c00f8, #8831d4);
    transform: scale(1.05);
}

/* session 3 */
.sesion-3 {
    font-family: 'Montserrat', sans-serif;
    min-height: calc(100vh);
    background-image: url('../images/than-so-hoa-khoa-hoc-mien-phi.jpg');
    background-size: cover;
    background-position: center center;
    font-weight: bold;
    color: #fff;
}

.sesion-3 h1 {
    font-weight: 800;
    font-size: 2.5rem;
}

.sesion-3 h2 {
    font-weight: 800;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .sesion-3 h2 {
        margin-top: 30px;
        font-size: 1.3rem;
    }
}


.sesion-3 h3 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-weight: bold;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sesion-3 h3 {
        font-size: 1.05rem;
    }
}

.sesion-3 .row.align-items-stretch>[class*="col-"] {
    display: flex;
    flex-direction: column;
}

.sesion-3 .info-box-wrapper {
    background: linear-gradient(135deg, #798DC2, #B3489C);
    padding: 3px;
    border-radius: 14px;
    height: 100%;
    min-height: 410px;
}

.sesion-3 .info-box {
    background-color: #12193e;
    border-radius: 12px;
    height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 410px;
}


.sesion-3 .info-title {
    color: white;
    font-weight: bold;
    font-size: 20px;
    margin-top: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.sesion-3 .info-box ul {
    list-style: none;
    padding: 10px;
    margin: 0;

}

.sesion-3 .info-box ul li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 12px;
    color: white;
    font-size: 1.05rem;
    line-height: 1.5;
    font-family: 'UTM Aptima', sans-serif;
}

@media (max-width: 768px) {
    .sesion-3 .info-box ul li {
        text-align: left;
    }
}

.sesion-3 .info-box ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background-color: #F3753A;
}

.sesion-3 .info-divider {
    border: none;
    height: 3px;
    background: linear-gradient(135deg, #798DC2, #9A69AD);
    opacity: 1;
    width: 100%;
    margin: 0 0 20px 0;
}


/* sesion 4 */
.sesion-4 {
    font-family: 'Montserrat', sans-serif;
    /* height: calc(100vh); */
    background-image: url('../images/sesion-4-bg.jpg');
    background-size: cover;
    background-position: center center;
    font-weight: bold;
}

.sesion-4 h1 {
    height: 80px;
    font-size: 130px;
}

.sesion-4 h2 {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sesion-4 h2 {
        font-size: 1rem;
        margin-top: 10px;
        line-height: 24px;
    }
}

.sesion-4 h4 {
    font-size: 1.05rem;
    font-family: 'UTM AptimaBold', sans-serif;

}

.sesion-4 img.author-img {
    margin-top: -30px;
}

@media (max-width: 768px) {
    .sesion-4 img.author-name {
        width: 100%;
    }

    .sesion-4 img.author-img {
        margin-top: 0px;
    }
}

@media (max-width: 768px) {
    .sesion-4 {
        padding-left: 2rem !important;
        padding-right: 2rem !important;
    }

    .sesion-4 .author-profile {
        padding: 0px !important;
    }

    .sesion-4 .author-profile h1 {
        margin: auto;
    }
}


.sesion-4 .author {
    font-family: 'UTM AptimaBold', sans-serif;
    color: #000;
    font-size: 1.3rem;
}

@media (max-width: 768px) {
    .sesion-4 .author {
        width: 100%;
        font-size: 1.5rem;
        text-align: center;
    }
}

.sesion-4 ul {
    list-style: none;
    padding-left: 0;
}

.sesion-4 ul li {
    font-family: 'UTM Aptima', sans-serif;
    font-weight: normal;
    margin-top: 5px;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: #000;
}

@media (max-width: 768px) {
    .sesion-4 ul li {
        text-align: justify;
    }
}

.sesion-4 ul li::before {
    content: "-";
    margin-right: 8px;
}

.text-gradient-bottom-4 {
    font-weight: bold;
    background: linear-gradient(to bottom, #871fff, #7f5dcc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    min-height: 45px;
}

@media (max-width: 768px) {
    .text-gradient-bottom-4 {
        min-height: 90px !important;
    }

    .text-gradient-bottom-5 {
        min-height: 130px !important;
    }
}


.text-gradient-bottom-5 {
    font-weight: bold;
    background: linear-gradient(to bottom, #786cf6, #7099FE, #6EC4FD);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    min-height: 65px;
}

/* sesion 5 */
.sesion-5 {
    font-family: 'Montserrat', sans-serif;
    min-height: calc(100vh);
    background-image: url('../images/than-so-hoa-khoa-hoc-chuyen-sau.jpg');
    background-size: cover;
    background-position: center center;
    font-weight: bold;
    color: #fff;
}

.sesion-5 h1 {
    font-weight: 800;
    font-size: 2.5rem;
}

@media (max-width: 768px) {
    .sesion-5 h1 {
        font-size: 2.2rem;
    }
}

.sesion-5 h2 {
    font-weight: 800;
    font-size: 1.5rem;
}

.sesion-5 h3 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-weight: bold;
    font-size: 1.2rem;
}

.sesion-5 .row.align-items-stretch>[class*="col-"] {
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px) {
    .sesion-5 .row.align-items-stretch>[class*="col-"] {
        margin-bottom: 30px;
    }
}



.sesion-5 .info-box-wrapper {
    background: linear-gradient(135deg, #7995ff8a, #d063bfa1, #7e1876);
    padding: 3px;
    border-radius: 14px;
    height: 100%;
}




.sesion-5 .info-box {
    background-color: #12193e96;
    border-radius: 12px;
    height: 100%;
    min-height: 400px;
}

.sesion-5 .info-title {
    font-family: 'UTM AptimaBold', sans-serif;
    text-transform: uppercase;
    color: white;
    font-weight: bold;
    line-height: 30px;
    font-size: 1.4rem;
    margin-top: 20px;
    margin-bottom: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .sesion-5 .info-title {
        font-size: 1.26rem;
    }
}

.sesion-5 .star {
    font-size: 50px;
    font-weight: bold;
    background: linear-gradient(to right, #a7ade4, #f28fe5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    min-height: 65px;
    margin: auto;
    margin-top: -20px;
}

.sesion-5 .info-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sesion-5 .info-box ul li {
    position: relative;
    padding-left: 20px;
    padding-right: 20px;
    margin-bottom: 12px;
    text-align: justify;
    color: white;
    font-size: 1.06rem;
    line-height: 1.5;
    font-family: 'UTM Aptima', sans-serif;
}



.sesion-5 .island {
    border: none;
    height: 3px;
    background: #343064;
    opacity: 1;
    top: -3px;
    width: 40%;
    margin: auto;
    left: 30%;
}


.btn-border-gradient-5 {
    display: inline-block;
    padding: 1.5px;
    background: linear-gradient(to bottom, #A244FC, #54befc);
    border-radius: 5px;
    margin: auto;
    position: relative;
    margin-bottom: -33px;
}

.btn-border-gradient-5:hover {
    background: linear-gradient(to bottom, #8831d4, #3daefc);
    transform: scale(1.05);
    border-radius: 5px;
}

.btn-gradient-5 {
    background: linear-gradient(to right, #151747, #0a0b1e);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 3px;
    padding: 10px 40px;
    font-size: 15px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;

}

.btn-gradient-5:hover {
    background: linear-gradient(to right, #151747, #0a0b1e);
    transform: scale(1.05);
    border-radius: 3px;
}


.btn-border-gradient-6 {
    display: inline-block;
    padding: 2px;
    background: linear-gradient(to bottom, #A244FC, #54befc);
    border-radius: 0px;
    margin: auto;
    position: relative;
    margin-bottom: -33px;
}

.btn-border-gradient-6:hover {
    background: linear-gradient(to bottom, #8831d4, #3daefc);
    transform: scale(1.05);
}

.btn-gradient-6 {
    background: linear-gradient(to right, #151747, #0a0b1e);
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    border-radius: 0px;
    padding: 10px 40px;
    font-size: 15px;
    cursor: pointer;
    display: inline-block;
    transition: all 0.3s ease;

}

.btn-gradient-6:hover {
    background: linear-gradient(to right, #151747, #0a0b1e);
    transform: scale(1.05);
}


/* sesion 6 */
.sesion-6 {
    font-family: 'Montserrat', sans-serif;
    min-height: calc(100vh);
    background-image: url('../images/than-so-hoc-feedback.jpg');
    background-size: cover;
    background-position: center center;
    font-weight: bold;
    color: #fff;
}

@media (max-width: 768px) {
    .sesion-6 {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .sesion-6 .review-item {
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

.sesion-6 .text-gradient-6 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-weight: bold;
    font-size: 2.2rem;
    background: linear-gradient(to bottom, #234cab, #A17CCA, #CB3DA1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

@media (max-width: 768px) {
    .sesion-6 .text-gradient-6 {
        font-size: 1.66rem;
    }
}

.sesion-6 h1 {
    font-weight: 800;
    font-size: 2.1rem;
}

.sesion-6 h2 {
    font-weight: 800;
    font-size: 1.5rem;
}

.sesion-6 h3 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-weight: bold;
    font-size: 1.2rem;
}

.sesion-6 .row.align-items-stretch>[class*="col-"] {
    display: flex;
    flex-direction: column;
}

.sesion-6 .info-box-wrapper {
    background: linear-gradient(to right, #8E92C7, #B5469B);
    padding: 2px;
    border-radius: 14px;
    height: 100%;
    margin: 10px;
    /* min-height: 410px; */
}

.sesion-6 .info-box {
    background-color: #ffffff;
    color: #000;
    border-radius: 12px;
    height: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    /* min-height: 410px; */
}

.sesion-6 .info-box p {
    font-family: 'UTM Aptima', sans-serif;
    font-size: 0.95rem;
}

.sesion-6 .quote-icon-wrapper {
    height: 50px;
    width: 50px;
    background-color: #fff;
    position: relative;
    margin-top: -20px;
    margin-left: -10px;
}

.sesion-6 .quote-icon-wrapper .quote-icon {
    font-size: 90px;
    font-weight: bold;
    background: linear-gradient(to bottom right, #CB3DA1, #CB3DA1, #5678c7, #A17CCA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    position: absolute;
    top: -20px;
}


/* sesion 7 */
.sesion-7 {
    font-family: 'Montserrat', sans-serif;
    /* min-height: calc(100vh); */
    background-image: url('../images/than-so-hoc-form.jpg');
    background-size: cover;
    background-position: center center;
    font-weight: bold;
    color: #fff;
}

@media (max-width: 768px) {
    .sesion-7 {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
}

.sesion-7 .text-gradient-7 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-weight: bold;
    font-size: 2.2rem;
    background: linear-gradient(to bottom, #234cab, #A17CCA, #CB3DA1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.sesion-7 h1 {
    font-weight: 800;
    font-size: 2.1rem;
}


@media (max-width: 768px) {
    .sesion-7 h1 {
        padding-left: 20px;
        padding-right: 20px;
        font-size: 1.8rem;
    }
}

.sesion-7 h2 {
    font-weight: 800;
    font-size: 1.5rem;
}

.sesion-7 h3 {
    font-family: 'UTM Aptima', sans-serif;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sesion-7 h3 {
        font-size: 1.1rem;
    }
}

.sesion-7 .form-container {
    background: transparent;
    padding: 20px;
    border-radius: 10px;
    width: 60%;
    max-width: 550px;
}

@media (max-width: 768px) {
    .sesion-7 .form-container {
        width: 100%;
        max-width: 100%;
    }
}

.sesion-7 .form-control {
    background-color: white;
    border: 2px solid #6c63ff;
    border-radius: 5px;
    color: black;
}

@media (max-width: 768px) {
    .sesion-7 .form-control {
        font-size: 0.9rem;
    }
}

.sesion-7 .form-label {
    font-weight: bold;
    text-align: left;
    width: 100%;
    font-family: 'UTM Aptima', sans-serif;
    font-size: 1.4rem;
}

@media (max-width: 768px) {
    .sesion-7 .form-label {
        font-size: 1.1rem;
    }
}

.sesion-7 .form-container input {
    height: 40px;
}

.sesion-7 .form-container input[type=checkbox] {
    height: 22px;
    width: 22px;
}

@media (max-width: 768px) {
    .sesion-7 .form-container input[type=checkbox] {
        height: 18px;
        width: 18px;
    }

    .btn-gradient.w-100 {
        font-size: 13.5px !important;
    }
}


.sesion-7 .form-check-label {
    margin-left: 10px;

}

.sesion-7 .btn-submit {
    background-color: #6c63ff;
    color: white;
    font-weight: bold;
    text-transform: uppercase;
    border: none;
    padding: 10px;
    width: 100%;
    border-radius: 5px;
}

.sesion-7 .btn-submit:hover {
    background-color: #584bff;
}

.sesion-7 h1,
.sesion-7 h3 {
    text-align: center;
}

.sesion-7 .form-check-inline {
    margin-right: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'UTM Aptima', sans-serif;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sesion-7 .form-check-inline {
        font-size: 1.05rem;
    }
}

/* sesion 8 */
.sesion-8 {
    border-top: 3px solid #e9e9e9;
    background: linear-gradient(to bottom, #ffffff, #ffffff);
}



.sesion-8 h3 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sesion-8 {
        padding-left: 2rem !important;
        padding-right: 2rem !important;
    }

    .sesion-8 h3 {
        font-size: 1rem;
    }
}

.sesion-8 hr {
    width: 40%;
    height: 3px;
    opacity: 1;
    background-color: #242424;
}

.sesion-8 .contact-info {
    font-size: 14px;
    color: #000;
}

@media (max-width: 768px) {

    .sesion-8 .contact-info .social-icons,
    .sesion-8 .contact-info .contact-row {
        justify-content: center;
        align-items: center !important;
    }
}

@media (min-device-width: 768px) and (max-device-width: 1024px) {

    .sesion-8 .contact-info .social-icons,
    .sesion-8 .contact-info .contact-row {
        justify-content: center;
        align-items: center !important;
    }
}

.sesion-8 .icon-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    transition: transform 0.2s;
}

.sesion-8 .icon-circle:hover {
    transform: scale(1.05);
}

.sesion-8 .icon-circle img {
    width: 35px;
    height: 35px;
}

.sesion-8 .contact-row a {
    text-decoration: none;
}


.sesion-8 .quote-icon-wrapper {
    height: 50px;
    width: 50px;
    background-color: #fff;
    position: relative;
    margin-top: -20px;
    margin-left: -10px;
}

.sesion-8 .quote-icon-wrapper .quote-icon {
    font-size: 90px;
    font-weight: bold;
    background: linear-gradient(to bottom right, #CB3DA1, #CB3DA1, #5678c7, #A17CCA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    position: absolute;
    top: -20px;
}


/* sesion-doc-thu */
@media (max-width: 768px) {
    .sesion-doc-thu {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .sesion-doc-thu h1 {
        padding: 10px;
    }
}

.sesion-doc-thu .bg-orange {
    background-color: #A17CCA;
    border: 0;
    border-radius: 0px;
    opacity: 1;
    height: 2px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    margin-bottom: 20px;
    width: 10%;
}

.sesion-doc-thu .text-gradient-6 {
    font-family: 'UTM AptimaBold', sans-serif;
    font-weight: bold;
    font-size: 2.2rem;
    background: linear-gradient(to bottom, #234cab, #A17CCA, #CB3DA1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

@media (max-width: 768px) {
    .sesion-doc-thu .text-gradient-6 {
        font-size: 1.7rem;
    }

    iframe {
        width: 100% !important;
    }
}

/* Tùy chỉnh nút Close cho đẹp */
#mobileMenuClose {
    position: relative;
    margin-right: 1rem;
}

.toggle-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.custom-toggler-icon {
    font-size: 2.3rem;
    line-height: 1;
    border: none;
    background: none;
    color: #969696;
    font-weight: normal;
}

@media (min-width: 992px) {
    .custom-toggler-icon {
        display: none;
    }
}

#scrollToTopBtn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1050;
    display: none;
    width: 50px;
    height: 50px;
    background: linear-gradient(to right, #4d0be8, #a04cf6);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.arrow-up {
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 12px solid white;
}

#scrollToTopBtn i {
    color: white;
}