body {
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #F5F9FF;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(5px, 2vw, 15px);
    position: relative;
}

.centered-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* section 1 */

.sct1 {
    display: flex;
    align-items: center;
    height: 100vh;
    background-color: #F5F9FF;
}

.sct1-h1 {
    color: #101828;
    font-family: Inter;
    font-size: clamp(24px, 5vw, 68px);
    font-style: normal;
    font-weight: 700;
    line-height: clamp(39px, 5vw, 82px);
    letter-spacing: 0;

    /* width: 1139px; */
}

.sct1-h2 {
    color: #646464;
    font-family: Inter;
    font-size: clamp(13px, 2vw, 20px);
    font-style: normal;
    font-weight: 400;
    line-height: 180%;

    max-width: 600px;

    margin-top: 20px;
    margin-bottom: 30px;
}

.sct1-imgs {
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.sct1-img1 {
    left: -135px;
    margin-top: -110px;
    position: absolute;
}

.sct1-img2 {
    width: clamp(1px, 18vw, 400px);
    overflow: hidden;
    right: clamp(90px, 18vw, -280px);
    margin-top: 250px;
    position: absolute;
}

.sct1-btns {
    display: flex;
    margin-bottom: 45px;
}

.sct1-btn1 {
    text-decoration: none;

    color: #FFF;
    font-family: Inter;
    font-size: clamp(14px, 2vw, 18px);
    font-style: normal;
    font-weight: 600;
    line-height: 28px;

    padding: clamp(10px, 2vw, 16px) clamp(18px, 2vw, 28px);
    border-radius: 8px;
    border: 1px solid #2655FF;
    background: #2655FF;
    box-shadow: 0px 0px 0px 4px #DFE6FF, 0px 1px 2px 0px rgba(16, 24, 40, 0.05);

    margin-right: 20px;
}

.sct1-btn2 {
    text-decoration: none;

    color: #2655FF;
    font-family: Inter;
    font-size: clamp(14px, 2vw, 18px);
    font-style: normal;
    font-weight: 600;
    line-height: 28px;

    padding: clamp(10px, 2vw, 16px) clamp(18px, 2vw, 28px);
    border-radius: 8px;
    border: 1px solid #F4EBFF;
    background: #DFE6FF;

    box-shadow: 0px 1px 2px 0px rgba(16, 24, 40, 0.05);
}

.sct-more {
    align-items: center;
    justify-content: center;
    display: flex;
}

.sct-more-link {
    text-decoration: none;
    display: flex;
}

.sct-more-link .text {
    color: #2655FF;
    text-align: center;
    font-family: Inter;
    font-size: clamp(14px, 2vw, 18px);
    font-style: normal;
    font-weight: 600;
    line-height: normal;
    letter-spacing: 0.079px;

    margin-right: 8px;
}

/* section 2 */

.sct2 {
    background-color: #F5F9FF;
}

.sct2-h1 {
    color: #101828;
    text-align: center;
    font-family: Inter;
    font-size: clamp(18px, 3vw, 36px);
    font-style: normal;
    font-weight: 700;
    line-height: normal;

    margin-bottom: 20px;
}

.two-columns {
    display: flex;
    border-radius: 8px;
    border: 2px solid #E5E7E8;
    background: #FFF;
    padding: clamp(0px, 2vw, 30px) clamp(0px, 2vw, 35px);
}

.column {
    flex: 1;
    padding: clamp(5px, 2vw, 20px);
}

.column-img {
    border-radius: 5px;
    object-fit: cover;
    max-width: 100%;
    height: auto;
    pointer-events: none;
}

@media (max-width: 768px) {
    .two-columns {
        flex-direction: column-reverse;
    }

    .column {
        margin-top: 20px;
    }
}

.sect2-square {
    width: 22.667px;
    height: 22.667px;
    border-radius: 5.333px;
    background: #DFE6FF;
    margin-right: 10px;
    flex-shrink: 0;
}

.sct2-txt {
    display: flex;
    margin-bottom: 10px;
}

.sct2-h2 {
    color: #101828;
    font-family: Rubik;
    font-size: clamp(16px, 3vw, 21px);
    font-style: normal;
    font-weight: 500;
    line-height: normal;
}

.sct2-h3 {
    color: #636363;
    font-family: Inter;
    font-size: clamp(13px, 3vw, 16px);
    font-style: normal;
    font-weight: 400;
    line-height: clamp(18px, 3vw, 24px);
}

.sct2-block {
    margin-bottom: 30px;
}

.sct2-btn {
    display: flex;
    justify-content: center;
}

.sct2-btn .btn {
    text-decoration: none;
    color: #101828;
    text-align: center;
    font-family: Inter;
    font-size: clamp(10px, 2vw, 14px);
    font-style: normal;
    font-weight: 600;
    line-height: clamp(14px, 2vw, 20px);

    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid #D0D5DD;
    background: #F9FAFB;
    box-shadow: 0px 1px 2px 0px rgba(16, 24, 40, 0.05);
}


/* section 3 */

.sct3 {
    background-color: #F5F9FF;
    /* height: 100vh; */
}

.sct3-h1 {
    margin-top: clamp(15px, 2vw, 70px);
    margin-bottom: clamp(5px, 2vw, 25px);

    color: #101828;
    text-align: center;
    font-family: Inter;
    font-size: clamp(18px, 2vw, 36px);
    font-style: normal;
    font-weight: 600;
    line-height: 44px;
    letter-spacing: -0.72px;
}

.sct3-category {
    display: flex;
    flex-wrap: wrap;
}

.sct3-category-btn {
    color: #101828;
    text-align: center;
    font-family: Inter;
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 30px;

    padding: 15px 36px;

    border-radius: 30px;
    border: 2px solid #BDBDBD;
    background: #FFF;

    transition: background-color 0.3s ease;
    margin-right: 30px;
    margin-bottom: 20px;
}

.sct3-category-btn.active {
    color: #FFF;

    border-radius: 30px;
    border: 2px solid #2655FF;
    background: #2655FF;
}

.card-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 auto;

}

.card {
    flex: 0 0 calc(33.33% - 10px);
    box-sizing: border-box;
    padding: 25px;
    border-radius: 8px;
    background: #FFF;
    box-shadow: 0px 4px 6px -2px rgba(16, 24, 40, 0.03), 0px 12px 16px -4px rgba(16, 24, 40, 0.08);
    margin-bottom: 15px;
    margin-right: 10px;
}


.card-img {
    object-fit: cover;
    background-color: #ebebeb;
    pointer-events: none;
    border-radius: 4px;
    width: 336px;
    height: 240px;

    margin-bottom: 5px;
}

.card-category {
    color: #6941C6;
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 600;
    line-height: 20px;
}

.card-course-title {
    color: #101828;
    font-family: Inter;
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 23px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 6px;
    margin-bottom: 7px;
    max-width: 325px;
}

.card-course-descr {
    color: #667085;
    font-family: Inter;
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;

    margin-bottom: 15px;
}

.rating-block {
    display: flex;
}

.rating-block .rating {
    color: #2655FF;
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: normal;

    margin-right: 5px;
}

.rating-block .counts {
    color: #969696;
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

.rating-block .stars {
    display: flex;
    justify-content: center;

    margin-right: 10px;
}

.mentor-block {
    margin-top: 32px;
    display: flex;
    align-items: end;
}

.mentor-img {
    filter: blur(0.2px);
    object-fit: cover;
    pointer-events: none;
    width: 40px;
    height: 40px;
    border-radius: 100%;
}

.mentor-info {
    margin-left: 12px;
}

.mentor-name {
    color: #101828;
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 500;
    line-height: 20px;
}

.mentor-spec {
    color: #667085;
    font-family: Inter;
    font-size: 14px;
    font-style: normal;
    font-weight: 400;
    line-height: 20px;
}

.price {
    color: #2655FF;
    text-align: right;
    font-family: Inter;
    font-size: clamp(16px, 2vw, 18px);
    font-style: normal;
    font-weight: 700;
    line-height: normal;
    margin-left: auto;
}


/* section 4 */

.sct4-columns {
    display: flex;
    margin-bottom: 73px;
}

.column1 {
    flex: 55%;
}

.column2 {
    flex: 45%;
}

.sct4-h1 {
    color: var(--text-gray-900, #18191F);
    text-align: center;
    font-feature-settings: 'salt' on, 'liga' off;
    font-family: Inter;
    font-size: clamp(18px, 2vw, 40px);
    font-style: normal;
    font-weight: 600;
    line-height: 64px;

    margin-top: clamp(15px, 2vw, 65px);
    margin-bottom: clamp(30px, 2vw, 80px);
}

.sct4-elems {
    position: relative;
    z-index: 1;
}

.sct4-el {
    cursor: pointer;
    display: flex;
    padding: clamp(10px, 2vw, 24px) clamp(10px, 2vw, 16px);

    background: #FFF;
    box-shadow: 0px 0px 1px 1px rgba(0, 0, 0, 0.05);
}

.sct4-el.active {
    cursor: default;
    background: #F5F9FF;
    box-shadow: 0px 0px 1px 1px rgba(0, 0, 0, 0.05);
}

.sct4-el.active .sct4-el1 svg circle {
    fill: #2655FF;
}

.sct4-el.active .sct4-el2 svg path {
    stroke: #2655FF;
}

.el-text {
    max-width: 520px;

    color: #000;
    font-family: Inter;
    font-size: clamp(13px, 2vw, 16px);
    font-style: normal;
    font-weight: 400;
    line-height: clamp(19px, 2vw, 24px);
}

.sct4-el1 svg {
    width: clamp(13px, 2vw, 24px);
}

.sct4-el2 svg {
    width: clamp(15px, 2vw, 24px);
}

.sct4-el1 {
    margin-right: 16px;
}

.sct4-el2 {
    margin-left: auto;
    align-self: center;
}

.col2-h1 {
    color: var(--text-gray-900, #18191F);
    font-feature-settings: 'salt' on, 'liga' off;

    font-family: Inter;
    font-size: clamp(14px, 2vw, 18px);
    font-style: normal;
    font-weight: 700;
    line-height: clamp(18px, 2vw, 28px);

    margin-bottom: clamp(15px, 2vw, 40px);
}

.col2-h2 {
    color: #000;
    font-family: Inter;
    font-size: clamp(13px, 2vw, 16px);
    font-style: normal;
    font-weight: 400;
    line-height: clamp(18px, 2vw, 24px);
}

.col2-card {
    position: relative;
    top: -35px;
    left: -60px;
    width: clamp(100px, 35vw, 500px);
    padding-left: clamp(70px, 2vw, 144px);
    padding-top: 40px;
    padding-right: clamp(10px, 2vw, 50px);
    padding-bottom: 50px;
    /* width: 470px;
    height: 400px; */
    border-radius: 16px;
    background: #FAFBFF;
    box-shadow: 0px 0px 4px 1px rgba(0, 0, 0, 0.15);
}

.section-main-box {
    background: white;
    padding: 45px 55px;
    max-width: 800px;
    max-width: 900px;
    min-height: 200px;
    width: 100%;
    border-radius: 15px;
    box-shadow: 0px 10px 15px rgba(0, 0, 0, 0.25);
}

@media (max-width: 1300px) {
    .sct1 {
        scale: 0.75;
    }
    .sct2 {
        scale: 0.75;
    }
}

@media (max-width: 850px) {
    .card {
        padding: 15px;
    }

    .card-course-title {
        font-size: 18px;
    }

    .card-img {
        width: 300px;
        height: 190px;
    }
}

@media (max-width: 600px) {
    .card {
        padding: 15px;
    }

    .card-category {
        font-size: 14px;
    }

    .card-course-title {
        font-size: 16px;
        margin-top: 5px;
        margin-bottom: 5px;
    }

    .card-img {
        width: 100%;
    }

    .card-container {
        display: inline;
    }
}

/* Адаптация для экранов с меньшим разрешением по высоте */
@media (max-height: 450px) {
    .sct1-h1 {
        font-size: clamp(20px, 4vw, 68px);
    }
    .sct1-h2 {
        font-size: clamp(10px, 2vw, 20px);
        max-width: 550px;
        margin-top: 15px;
        margin-bottom: 20px;
    }
    .sct1-btn1 {
        padding: 10px 10px;
        font-size: clamp(13px, 2vw, 17px);
        line-height: 100%;
    }
    .sct1-btn2 {
        padding: 10px 10px;
        font-size: clamp(13px, 2vw, 17px);
        line-height: 100%;
    }
}

@media (max-height: 350px) {
    .sct1 {
        margin-top: 90px;
    }
    .sct1-h1 {
        font-size: clamp(18px, 4vw, 25px);
    }
    .sct1-h2 {
        font-size: clamp(9px, 2vw, 13px);
        max-width: 550px;
        margin-top: 10px;
        margin-bottom: 10px;
    }
    .sct1-btn1 {
        padding: 10px 10px;
        font-size: clamp(13px, 2vw, 17px);
        line-height: 100%;
    }
    .sct1-btn2 {
        padding: 10px 10px;
        font-size: clamp(13px, 2vw, 17px);
        line-height: 100%;
    }
}

@media (min-aspect-ratio: 2/1) and (max-aspect-ratio: 4/1) and (max-height: 400px) {
    .sct1 {
        margin-top: 120px;
    }
    .sct1-h1 {
        font-size: clamp(15px, 4vw, 30px);
        line-height: clamp(15px, 5vw, 40px);
    }
    .sct1-h2 {
        font-size: clamp(10px, 2vw, 13px);
        max-width: 600px;
        margin-top: 10px;
        margin-bottom: 15px;
    }
    .sct1-btn1 {
        padding: 9px 9px;
        font-size: clamp(10px, 2vw, 14px);
        line-height: 100%;
    }
    .sct1-btn2 {
        padding: 9px 9px;
        font-size: clamp(10px, 2vw, 14px);
        line-height: 100%;
    }
    .sct1-btns {
        margin-bottom: 20px;
    }
}