* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f4f6f9;
    color: #2c3e50;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    line-height: 1.6;
}

header {
    background: #ffffff;
    border-bottom: 1px solid #e1e5ea;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.header__tab {
    display: flex;
    gap: 4px;
    overflow-x: auto;
}

.header__logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: #2c3e50;
    padding: 14px 0;
    letter-spacing: 0.5px;
}

.header__tab__button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-family: inherit;
    color: #6b7a90;
    padding: 14px 18px;
    position: relative;
    transition: color 0.2s ease;
    white-space: nowrap;
    text-decoration: none;
}

.header__tab__button:hover {
    color: #2c3e50;
}

.header__tab__button.active {
    color: #4a7dff;
    font-weight: 600;
}

footer {
    background: #ffffff;
    color: #6b7a90;
    padding: 32px 24px;
    margin-top: auto;
    border-top: 1px solid #e1e5ea;
}

.footer {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.9rem;
}

.footer__links {
    display: flex;
    gap: 22px;
    flex-wrap: wrap;
}

.footer__links a {
    color: #6b7a90;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer__links a:hover {
    color: #2c3e50;
}

span {
    color: #4a7dff;
}

main {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 24px 64px;
}

.main__title {
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.2;
    color: #1a2233;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.main__subtitle {
    font-size: 1.4rem;
    line-height: 1.5;
    color: #6b7a90;
    margin-bottom: 40px;
    max-width: 800px;
    padding-left: 5px;
}

.main__card__text {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a2233;
    letter-spacing: -0.5px;
}

.main__card__subtext {
    color: #6b7a90;
    font-size: 1.05rem;
    margin-bottom: 10px;
}

.main__card {
    background: #ffffff;
    border: 1px solid #e6eaf0;
    border-radius: 12px;
    padding: 28px 32px;
    box-shadow: 0 2px 10px rgba(30, 50, 90, 0.05);
    overflow: hidden;
    margin-top: 30px;
}

.main__card__img {
    display: block;
    width: calc(100% + 64px);
    margin: -28px -32px 24px;
    height: auto;
    border-radius: 12px 12px 0 0;
    background: #eef2f7;
}

.main__card__div {

}

.main__card__div ul {
    margin-left: 24px;
}

.main__card__div__element {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px 5px;
}

.main__card__div__element__icon {
    padding-top: 10px;
    width: 32px;
}

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

.main__card__div__element__div__title {
  font-weight: bold;
}

.main__card__div__element__div__subtitle {

}

.main__card__steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 16px;
}

.main__card__steps__element {
    padding: 24px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.06);
}

.main__card__steps__element__num {
    font-size: 32px;
    font-weight: 700;
    opacity: 0.4;
    margin-bottom: 12px;
}

.main__card__steps__element__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.main__card__steps__element__subtitle {
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.8;
}

.main__download {
    text-align: center;
    padding-top: 30px;
}

.main__download__title {

}

.main__download__subtitle {

}

.main__download__buttons {
    margin-top: 20px;

    display: flex;
    justify-content: center;
    gap: 10px;
}

.main__download__buttons__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;

    padding: 14px 28px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1;

    color: #000000;
    background: #ffffff;
    border: none;
    border-radius: 10px;
    cursor: pointer;

    width: 200px;
    box-shadow: 0 2px 10px rgba(30, 50, 90, 0.05);
    transition: color 0.2s ease;

    text-decoration: none;
}

.main__download__buttons__button:hover {
    color: #5b7080;
}

@media (max-width: 600px) {
    .main__card {
        padding: 28px 16px;
    }

    .main__card__img {
        width: calc(100% + 32px);
        margin: -28px -16px 24px;
    }

    .main__download__buttons {
        flex-wrap: wrap;
    }

    .main__card__steps {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 24px;
    }

    .main__card__steps__element {
        padding: 18px;
        border-radius: 12px;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .main__card__steps__element__num {
        margin-bottom: 6px;
    }

    .main__card__steps__element__title {
        margin-bottom: 4px;
    }

    .header {
        justify-content: center;
        gap: 0px;
    }

    .header__tab {
        justify-content: center;
        width: 100%;
    }

    .header__tab__button {
        padding: 14px 12px;
    }

    .header__tab__button.active::after {
        left: 12px;
        right: 12px;
    }

    .footer {
        flex-direction: column;
        text-align: center;
    }

    .footer__links {
        flex-direction: column;
        flex-wrap: nowrap;
    }

    .header__logo {
        display: none;
    }
}