body {
    font-family: 'Montserrat', sans-serif;
    scroll-behavior: smooth;
}

.section-padd {
    padding-block: 70px;
}

.mobile-menu {
    transition: transform .4s ease, opacity 1s ease;
    backdrop-filter: blur(10px);
}

nav i {
    color: black !important;
}

.navbar-nav .nav-link {
    color: black;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.nav-login-btn {
    padding: 10px 15px;
}

.nav-search-btn {
    border: .5px solid #dee2e6;
}

@media (max-width: 991.98px) {
    .mobile-menu {
        position: absolute;
        top: 55px;
        border: none;
        outline: none;
        left: 0;
        width: 100%;
        background: white;
        z-index: 1000;
        padding-bottom: 1rem;
        opacity: 1;
        transform: translateY(1px);
    }

    .mobile-menu.d-no {
        transform: translateY(-100vh);
        opacity: 0;
    }

    .mobile-menu ul {
        padding-left: 1rem;
    }

    .navbar-toggler {
        position: absolute;
        right: 1rem;
    }
}



/* Header CSS */

/* Full-height section */
.header-section {
    background-color: #002366;
    min-height: fit-content;
    height: fit-content;
    overflow: hidden;
}

.header-section .container-fluid {
    padding: 0px;
}

.header-section img {
    position: relative;
    object-fit: cover;
    height: 100%;
    width: 100%;
    display: block;
}

.header-image {
    position: relative;
}

.header-image::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 0;
    height: 0px;
    width: 100%;
    background: linear-gradient(to bottom, transparent, #002366, transparent);
    z-index: 1;
}

/* Title */
.header-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.4;
    padding-bottom: 30px;
}

.highlight-text {
    color: #ffed00;
}

/* Description */
.header-desc {
    padding-bottom: 30px;
    font-size: 1.3rem;
    line-height: 1.8;
    color: #dbe4f3;
}

/* Connect Button */
.connect-btn {
    font-size: 1.2rem;
    background-color: #ffed00;
    color: #002466b2;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 50px;
    transition: 0.3s ease;
    text-decoration: none;
}

.connect-btn svg {
    background-color: #3151A9;
    border-radius: 50%;
    color: #fff;
    padding: 2px;
    transform: rotate(90deg) scale(1.3);
    margin-right: 15px;
}

.connect-btn:hover {
    background-color: #ffe600cc;
    color: #001f5b;
    text-decoration: none;
}

/* Image */
.header-section img {
    object-fit: cover;
    height: 100%;
    display: block;
}

/* Scroll Icon */
.scroll-icon {
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-65%);
    font-size: .8rem;
}

.scroll-icon svg {
    border: 0.1px solid #ffffffac !important;
    border-radius: 50px;
    transform: rotate(180deg);
    padding: 20px;
}

.logo {
    width: 130px;
}


.study-card {
    border-radius: 16px;
    overflow: hidden;
}

.view-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: #002366;
    font-size: 0.8rem;
    padding: 6px 16px;
}

.view-btn:hover {
    background-color: #001f5c;
}

.study-title {
    color: #272727;
}

.study-desc {
    font-size: 1.2rem;
    max-width: 1000px;
    margin: auto;
    padding-block: 15px 20px;
}



.video-wrapper {
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    height: auto;
    background-color: #1a1a1a;
    max-width: 750px;
    aspect-ratio: 14/10;

    border-radius: 34px;
}

.video-thumbnail {
    object-fit: cover;
    width: 100%;
    height: 100%;
    display: block;
}

.youtube-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 5;
    transform: translate(-50%, -50%);
    background-color: #F9A242;
    color: white;
    border: none;
    border-radius: 50%;
    padding: 14px 21px;
    box-shadow: 1px 0px 15px rgba(255, 255, 255, 0.5);
    font-size: 20px;
    cursor: pointer;
}

.video-controls {
    position: absolute;
    bottom: 30px;
    right: 30px;
    color: white;
    z-index: 6;
    font-size: 18px;
}

.video-label {
    position: absolute;
    top: 30px;
    left: 30px;
    z-index: 6;
    color: white;
    font-weight: 600;
    font-size: 17px;
}

.video-sec-box {
    background: #1a1a1a;
    padding: 0px;
    border-radius: 34px;
}

.video-sec-box .video-wrapper {
    margin: -30px -30px 30px 30px;
}

.method-desc-icon {
    background-color: #F9A242;
    display: inline;
    padding: 13px 14px;
    border-radius: 100%;
}

.method-desc {
    font-size: 1.2rem;
    margin-top: 32px;
    line-height: 35px;
    font-weight: 500;
}

.methodology-section {
    background: linear-gradient(180deg, #E4E2FF 0%, #FFFEE2 100%);
}

.ai-teacher-section {
    background-color: #fff;
}

.ai-card {
    border: 1px solid #eee;
    border-radius: 25px;
    transition: all 0.3s ease;
    background-color: #fff;
}

.ai-card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.ai-card .icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 50px;
}

.about-icon {
    width: 33px;
    height: 33px;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.about-us-section p {
    font-size: 1.2rem;
    line-height: 1.65;
    font-weight: 500;
}


.about-us-section span.text-primary {
    color: #0C2B81 !important;
    /* Bootstrap's primary color */
}

.vb-video-wrapper {
    position: relative;
    border-radius: 27px;
    overflow: hidden;
}

.vb-video-wrapper video {
    width: 100%;
    height: auto;
    display: block;
}

.vb-center-play-btn {
    position: absolute;
    top: 50%;
    width: 100%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    padding: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: opacity 0.3s;
}

.vbplaybtn {
    background-color: #F9A242;
    color: white;
    border: none;
    border-radius: 50%;
    padding: 20px 23px;
    box-shadow: 1px 0px 15px rgba(255, 255, 255, 0.5);
    font-size: 35px;
    line-height: 0px;
    cursor: pointer;
}

.vb-center-play-btn img {
    width: 60px;
}

.vb-controls-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    z-index: 2;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    font-size: 14px;
    flex-wrap: wrap;
}

.vb-controls-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.vb-control-btn {
    background: transparent;
    border: none;
    color: #fff;
    font-size: 1.2rem;
    cursor: pointer;
}

.vb-control-btn:hover {
    color: #ffa500;
}

.vb-time {
    color: #fff;
}

.connect-sec,
.faq-sec {
    background: linear-gradient(180deg, #E4E2FF 0%, #FFFEE2 100%);
}

.connect-sec .container {
    background: #0C2B81;
    color: #fff;
    border-radius: 25px;
    padding: 25px;
}

.connect-sec .container h2 {
    font-size: 2.5rem;
}

.connect-sec .container p {
    padding-block: 12px;
}

.connect-sec .container button {
    background-color: #ffed00;
    border-radius: 50px;
    outline: none;
    border: none;
    padding: 13px 20px;
    font-weight: 400;

}

.connect-sec .container img {
    z-index: 5;
    position: relative;

}

.background-patch {
    position: relative;
    overflow: hidden;
}

.background-patch::after {
    content: "";
    position: absolute;
    bottom: -83px;
    left: -83px;
    height: 150px;
    width: 150px;
    background: #efefef51;
    border-radius: 130px;
}

.background-patch::before {
    content: "";
    position: absolute;
    top: -53px;
    right: -53px;
    height: 150px;
    width: 150px;
    background: #efefef51;
    border-radius: 130px;
    z-index: 1;
}


.faq-sec h2 {
    color: #0C2B81;
    padding-top: 20px;
}

.faq-sec .buttonb {
    background-color: #ffed00;
    border-radius: 50px;
    outline: none;
    border: none;
    padding: 13px 20px;
    font-weight: 500;

}

.accr-desc {
    font-size: 1.4rem;
    color: #000 !important;
    padding-top: 20px;
}

.accordion-button {
    background: transparent;
    border: none;
    box-shadow: none;
    font-size: 1.4rem;
    font-weight: 400;
    border: 0px !important;
    color: #000 !important;
    padding-inline: 0px;
}

.accordion-button:not(.collapsed) {
    background: transparent;
    border-bottom: 1px solid #000;
    box-shadow: none !important;
}

.accordion-body {
    background: transparent;
    border-bottom: 2px solid #454545d2;
    margin-bottom: 30px;
    padding-inline: 0px;
    border-radius: 2px;
    box-shadow: none !important;
}

.accordion-button:not(.collapsed) {
    box-shadow: none !important;

}

.accordion-item {
    background: transparent;
    border: none;
}


.join-sec {
    background-color: #F9A242;
}

.downimg img {
    max-width: 170px;
}

.downsec {
    max-width: 900px;
    margin: auto;
    justify-content: center;
    padding-top: 30px;
}

.join-star i {
    padding-right: 10px;
}

.join-sec .join-heading {
    font-size: 3rem;
}

.border-down {
    border-right: 1px solid #000;
    height: 100%;
}

.footer-sec {
    background-color: #001f5b;
    color: #fff;
    text-align: center;
    padding-bottom: 0px;
}

.footer-sec ul {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    line-height: 40px;
    gap: 10px;
    margin-top: 40px;
}

.footer-sec ul li {
    list-style: none;
    font-size: 19px;
    padding-right: 30px;
}

.footer-sec p {
    padding-bottom: 0px;
    margin-bottom: 0px;
}

.footer-copy-text {
    color: #dbe4f3b3;
    font-size: 0.9rem;
    padding-top: 25px;
}

@media (max-width: 576px) {
    .vb-controls-bar {
        align-items: center;
        padding: 4px 15px;

    }

    .vb-time {
        display: flex;
        align-items: center;
    }

    .vb-control-btn img {
        max-width: 40px;
    }

    .vbplaybtn {
        padding: 14px 16px;
        font-size: 18px;
    }

    .vb-control-btn {
        font-size: 1rem;
    }

    .connect-sec .container h2 {
        font-size: 1.5rem;
    }

    .faq-sec button {
        padding: 0px;
    }

    .faq-sec .accordion-item h2 {
        font-size: 1.5rem;
    }

    .accordion-button {
        font-size: 1.1rem;
        line-height: 30px;
    }

    .accordion-body {
        font-size: 14px;
    }

    .accr-desc {
        font-size: 1rem;
        padding-top: 10px;
    }

    .join-sec .join-heading {
        font-size: 2rem;
    }

    .downimg img {
        max-width: 130px;
        padding-bottom: 10px;
    }

    .join-sec .container span {
        text-align: center !important;
    }

    .footer-sec ul li {
        font-size: 14px;
        padding-right: 0px;
    }

    .footer-sec ul {
        padding-left: 0rem;
    }

    .about-us-section p {
        font-size: 1rem;
    }

    .video-label {
        top: 15px;
        left: 17px;
        font-weight: 500;
        font-size: 15px;
    }
    .notifi-width{
        max-width: 225px;
    }
}

/* Responsive */
@media (max-width: 1467px) {
    .header-title {
        font-size: 2.2rem;
        padding-bottom: 20px;
    }

    .header-desc {
        padding-bottom: 20px;
        font-size: 1rem;
    }

    .connect-btn {
        font-size: 1rem;
    }

    /* Scroll Icon */
    .scroll-icon {
        bottom: 3%;
    }

    .scroll-icon svg {
        transform: rotate(180deg) scale(0.8);
    }

    .study-desc {
        font-size: 1rem;
        padding-block: 15px 20px;
    }
}

@media (max-width: 767px) {

    .header-title {
        font-size: 1.8rem;
    }

    .header-desc {
        font-size: 0.95rem;
    }

    .scroll-icon {
        display: none !important;
    }

    .px-5 {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .header-image::after {
        height: 20px;
    }

    .logo {
        width: 70px;
    }

    .video-sec-box .video-wrapper {
        margin: 0px;
    }

    .video-wrapper {
        max-width: 100%;
    }

    .video-sec-box {

        border-radius: 34px;
        max-width: 100%;
        margin: auto;
    }

    .method-desc-icon {
        margin-top: 50px;
    }

    .method-desc {
        font-size: 1rem;
        margin-top: 32px;
        line-height: 27px;
        font-weight: 400;
    }

}