* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
    
body {
    background-color: #161d3f;
    color: #fff;
    font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

header {
    margin-top: 50px;
    background-color: #161d3f;
    padding-bottom: 20px;
}

.avatar_dr {
    display: flex;
    justify-content: center;
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    display: block;
    border: 3px solid #fff;
}

.about_dr {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-top: 20px;
    padding: 0 20px;
    max-width: 800px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.about_dr h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

.about_dr p {
    line-height: 1.6;
    font-weight: 500;
}

.entry {
    max-width: 760px;
    width: 100%;
    margin: 40px auto 0;
    padding: 30px 30px 35px;
    background-color: #163049;
    border-radius: 8px;
    text-align: center;
    color: #fff;
}

.entry h2 {
    text-transform: uppercase;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}

.entry p {
    font-size: 15px;
    line-height: 1.4;
    font-weight: 400;
    margin-bottom: 22px;
    opacity: 0.9;
}

.entry_btn {
    margin-bottom: 20px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: #61a8de;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    padding: 16px 24px;
    border-radius: 8px;
    box-sizing: border-box;
    transition: background-color 0.2s, transform 0.1s;
}

.entry_btn:hover {
    background-color: #4f97cf;
}

.entry_btn:active {
    transform: scale(0.98);
}

.entry_btn_icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    display: block;
}

.benefits {
    max-width: 760px;
    width: 100%;
    margin: 60px auto 0;
    padding: 0 20px;
    color: #fff;
    text-align: center;
}

.benefits__title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 55px;
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.benefit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.benefit__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.benefit__icon img {
    width: 46px;
    height: 46px;
    display: block;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.benefit__heading {
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.3;
    margin-bottom: 12px;
}

.benefit__text {
    font-size: 15px;
    font-weight: 400;
    line-height: 1.4;
    margin: 0;
}

.reviews {
    max-width: 760px;
    width: 100%;
    margin: 60px auto 0;
    padding: 0 20px;
    color: #fff;
    text-align: center;
}

.reviews__title {
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 35px;
}

.reviews__all {
    max-width: 760px;
    width: 100%;
    margin: 25px auto 0;
    padding: 0 20px;
    display: flex;
    justify-content: center;
}

.reviews__all-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 400px;
    background: #61a8de;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 12px;
    padding: 16px 40px;
    min-height: 52px;
    box-sizing: border-box;
    border: none;
    box-shadow: 0 0 14px rgba(97, 168, 222, 0.35);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    white-space: nowrap;
}

.reviews__all-btn:hover {
    background: #4f97cf;
    box-shadow: 0 0 22px rgba(97, 168, 222, 0.6);
}

.reviews__all-btn:active {
    transform: scale(0.98);
}

.carousel {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.carousel__track {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel__slide {
    flex: 0 0 100%;
    width: 100%;
}

.carousel__slide img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 16px;
}

.carousel__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    font-size: 22px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    z-index: 2;
}

.carousel__btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.carousel__btn--prev { left: 12px; }
.carousel__btn--next { right: 12px; }

.carousel__dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 15px;
}

.carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    padding: 0;
    transition: background 0.2s;
}

.carousel__dot.is-active {
    background: #61a8de;
}

.pricing {
    max-width: 760px;
    width: 100%;
    margin: 60px auto 0;
    padding: 0 20px;
    color: #fff;
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.price-card {
    background-color: #2b2f44;
    border-radius: 12px;
    padding: 22px 18px 20px;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.price-card__title {
    font-size: 17px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 18px;
    line-height: 1.3;
}

.price-card__desc {
    font-size: 13px;
    line-height: 1.45;
    color: #cfd3de;
    margin-bottom: 22px;
}

.price-card__footer {
    font-size: 13px;
    line-height: 1.45;
    font-weight: 700;
    color: #e6e8ef;
    margin-top: auto;
    margin-bottom: 20px;
}

.price-card__prices {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.price-card__old {
    font-size: 13px;
    color: #8d93a8;
    text-decoration: line-through;
}

.price-card__new {
    font-size: 20px;
    font-weight: 700;
    color: #ffffff;
}

.docs {
    max-width: 760px;
    width: 100%;
    margin: 60px auto 0;
    padding: 0 20px;
    color: #fff;
}

.docs__row {
    display: grid;
    grid-template-columns: 1fr 220px;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.docs__label {
    background: #2b2f44;
    color: #fff;
    border-radius: 12px;
    padding: 14px 22px;
    font-size: 15px;
    line-height: 1.3;
    text-align: center;
    min-height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.docs__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #61a8de;
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 12px;
    padding: 14px 22px;
    min-height: 52px;
    box-sizing: border-box;
    border: none;
    box-shadow: 0 0 14px rgba(97, 168, 222, 0.35);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}

.docs__btn:hover {
    background: #4f97cf;
    box-shadow: 0 0 22px rgba(97, 168, 222, 0.6);
}

.docs__btn:active {
    transform: scale(0.98);
}

.docs__note {
    text-align: center;
    font-size: 14px;
    line-height: 1.4;
    color: #cfd3de;
    margin-top: 24px;
}

.faq {
    max-width: 760px;
    width: 100%;
    margin: 60px auto 0;
    padding: 0 20px;
    color: #fff;
}

.faq__title {
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    margin-bottom: 40px;
}

.faq__list {
    display: flex;
    flex-direction: column;
}

.faq__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.faq__question {
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 0;
    background: none;
    border: none;
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
    cursor: pointer;
}

.faq__icon {
    position: relative;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 3px;
    transition: transform 0.35s ease;
}

.faq__icon::before,
.faq__icon::after {
    content: "";
    position: absolute;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.faq__icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.faq__icon::after {
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.faq__item.is-open .faq__icon {
    transform: rotate(180deg);
}
.faq__item.is-open .faq__icon::after {
    transform: translateX(-50%) scaleY(0);
}

.faq__answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}

.faq__item.is-open .faq__answer {
    grid-template-rows: 1fr;
}

.faq__answer-inner {
    overflow: hidden;
}

.faq__answer-inner p {
    padding: 0 0 20px 30px;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.45;
    color: #cfd3de;
    margin: 0;
}

.ankety {
    max-width: 760px;
    width: 100%;
    margin: 60px auto 0;
    padding: 0 20px;
    color: #fff;
}

.ankety__title {
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
    margin-bottom: 40px;
}

.ankety__list {
    display: flex;
    flex-direction: column;
}

.ankety__item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ankety__question {
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 0;
    background: none;
    border: none;
    color: #fff;
    font-family: inherit;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-align: left;
    cursor: pointer;
}

.ankety__icon {
    position: relative;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    margin-top: 3px;
    transition: transform 0.35s ease;
}

.ankety__icon::before,
.ankety__icon::after {
    content: "";
    position: absolute;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.35s ease, opacity 0.35s ease;
}

.ankety__icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.ankety__icon::after {
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.ankety__item.is-open .ankety__icon {
    transform: rotate(180deg);
}
.ankety__item.is-open .ankety__icon::after {
    transform: translateX(-50%) scaleY(0);
}

.ankety__answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
}

.ankety__item.is-open .ankety__answer {
    grid-template-rows: 1fr;
}

.ankety__answer-inner {
    overflow: hidden;
}

.ankety__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 0 0 20px 30px;
}

.ankety__label {
    font-size: 14px;
    line-height: 1.4;
    color: #cfd3de;
}

.ankety__download {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #61a8de;
    color: #fff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 10px 18px;
    border-radius: 10px;
    box-shadow: 0 0 12px rgba(97, 168, 222, 0.35);
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    white-space: nowrap;
}

.ankety__download:hover {
    background: #4f97cf;
    box-shadow: 0 0 20px rgba(97, 168, 222, 0.6);
}

.ankety__download:active {
    transform: scale(0.97);
}

.footer {
    margin-top: 80px;
    padding: 40px 20px;
    background-color: #2b2f44;
    color: #fff;
    text-align: center;
}

.footer__dev {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.45);
    text-align: center;
}

.footer__dev-link {
    color: #61a8de;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s, opacity 0.2s;
}

.footer__dev-link:hover {
    color: #4f97cf;
    text-decoration: underline;
}

.footer__title {
    font-size: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 25px;
}

.footer__socials {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin: 0 auto;
}

.footer__social {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: rgba(97, 168, 222, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: background-color 0.2s, transform 0.15s;
}

.footer__social:hover {
    background-color: rgba(97, 168, 222, 0.3);
    transform: translateY(-2px);
}

.footer__social:active {
    transform: translateY(0);
}

.footer__social img {
    width: 24px;
    height: 24px;
    display: block;
}

.useful {
    max-width: 500px;              /* ← уже, чем entry (760px) */
    width: 100%;
    margin: 40px auto 0;
    padding: 30px 30px 35px;
    background-color: #163049;     /* тот же цвет, что у .entry */
    border-radius: 8px;
    text-align: center;
    color: #fff;
}

.useful h2 {
    text-transform: uppercase;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}

.useful p {
    font-size: 15px;
    line-height: 1.4;
    font-weight: 400;
    margin-bottom: 22px;
    opacity: 0.9;
}

.useful_btn {
    margin-bottom: 20px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    background-color: #61a8de;
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    padding: 16px 24px 16px 52px;   /* left — место под иконку */
    border-radius: 8px;
    box-sizing: border-box;
    transition: background-color 0.2s, transform 0.1s;
}

.useful_btn:last-child {
    margin-bottom: 0;               /* у последней кнопки убираем нижний отступ */
}

.useful_btn:hover {
    background-color: #4f97cf;
}

.useful_btn:active {
    transform: scale(0.98);
}

.useful_btn_icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    display: block;
}

.footer__copyright {
    margin-top: 30px;
    font-size: 13px;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.55);   /* приглушённый, чтобы не спорил с иконками */
    text-align: center;
}

@media (max-width: 900px) {

    .entry,
    .about_dr,
    .benefits,
    .reviews,
    .pricing,
    .docs,
    .faq {
        padding-left: 20px;
        padding-right: 20px;
    }

    .benefits__title,
    .reviews__title,
    .faq__title {
        margin-bottom: 35px;
    }
}

@media (max-width: 700px) {

    .entry,
    .benefits,
    .reviews,
    .pricing,
    .docs,
    .faq {
        margin-top: 45px;
    }

    .benefits__grid,
    .pricing__grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .pricing__grid { gap: 14px; }

    .benefit {
        max-width: 340px;
        margin: 0 auto;
    }

    .docs__row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .entry {
        padding: 24px 20px 28px;
    }
    .entry h2 { font-size: 19px; }
    .entry p  { font-size: 14px; }
    .entry_btn {
        font-size: 15px;
        padding: 14px 18px 14px 46px;
    }
    .entry_btn_icon {
        left: 14px;
        width: 20px;
        height: 20px;
    }

    .benefits__title,
    .reviews__title,
    .faq__title {
        font-size: 19px;
    }

    .faq__answer-inner p {
        padding-left: 30px;
        font-size: 14px;
    }

    .footer {
        margin-top: 60px;
        padding: 32px 16px;
    }
    .footer__title { font-size: 18px; }
    .footer__socials {
        gap: 12px;
    }
    .footer__social {
        width: 50px;
        height: 50px;
    }
    .footer__social img {
        width: 22px;
        height: 22px;
    }
    .ankety {
        margin-top: 45px;
    }
    .ankety__title {
        font-size: 19px;
        margin-bottom: 30px;
    }
    .ankety__row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        padding-left: 30px;
    }
    .ankety__download {
        width: 100%;
    }
    .reviews__all {
        margin-top: 20px;
    }
    .reviews__all-btn {
        width: 100%;
        max-width: 100%;   /* на телефоне — на всю ширину */
        padding: 16px 22px;
        font-size: 13px;
    }
    .footer__dev {
    margin-top: 6px;
    font-size: 12px;
    }
}

@media (max-width: 400px) {

    .avatar {
        width: 120px;
        height: 120px;
    }

    .about_dr h1 { font-size: 20px; }
    .about_dr p  { font-size: 14px; }

    .entry h2 { font-size: 17px; }

    .benefits__title,
    .reviews__title,
    .faq__title {
        font-size: 17px;
    }

    .faq__question { font-size: 14px; }
    .faq__answer-inner p {
        padding-left: 26px;
        font-size: 13px;
    }

    .price-card__title { font-size: 15px; }
    .price-card__new   { font-size: 18px; }

    .docs__label,
    .docs__btn {
        min-height: 48px;
        font-size: 13px;
        padding: 12px 16px;
    }

    .footer__socials {
        gap: 10px;
    }
    .footer__social {
        width: 46px;
        height: 46px;
    }
    .footer__social img {
        width: 20px;
        height: 20px;
    }
    .ankety__title { font-size: 17px; }
    .ankety__question { font-size: 14px; }
    .ankety__label { font-size: 13px; }
    .ankety__row { padding-left: 26px; }
    .reviews__all-btn {
        min-height: 48px;
        font-size: 12px;
    }
}