/* ===== ОБУЧЕНИЕ БИЛЬЯРДУ: SEO INTRO ===== */

.ob-intro {
    position: relative;
    padding: 92px 0;
    background: #f7f3ec;
    color: #171512;
}

.ob-intro__inner {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, .72fr);
    gap: 42px;
    align-items: start;
}

.ob-intro__content {
    max-width: 790px;
}

.ob-intro__kicker {
    display: inline-flex;
    align-items: center;
    margin-bottom: 18px;
    padding: 8px 13px;
    border-radius: 999px;
    background: rgba(216, 177, 115, .18);
    color: #8b6935;
    font-size: 12px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.ob-intro__title {
    margin: 0;
    color: #14110d;
    font-size: clamp(32px, 4vw, 54px);
    font-weight: 900;
    line-height: 1.04;
    letter-spacing: -.035em;
    text-transform: uppercase;
}

.ob-intro__text {
    margin-top: 26px;
}

.ob-intro__text p {
    margin: 0 0 18px;
    color: rgba(20, 17, 13, .82);
    font-size: 18px;
    line-height: 1.75;
}

.ob-intro__text p:last-child {
    margin-bottom: 0;
}

.ob-intro__note {
    position: sticky;
    top: 24px;
    padding: 30px;
    border: 1px solid rgba(216, 177, 115, .35);
    border-radius: 26px;
    background:
        linear-gradient(145deg, rgba(25, 23, 19, .98), rgba(15, 14, 12, .98));
    color: #fff;
    box-shadow: 0 24px 70px rgba(20, 17, 13, .18);
}

.ob-intro__note-title {
    margin-bottom: 14px;
    color: #f0cf91;
    font-size: 22px;
    font-weight: 900;
    line-height: 1.15;
    text-transform: uppercase;
}

.ob-intro__note-text {
    color: rgba(255,255,255,.78);
    font-size: 16px;
    line-height: 1.65;
}

.ob-intro__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 54px;
    margin-top: 24px;
    padding: 0 22px;
    border-radius: 999px;
    background: #d8b173;
    color: #14110d;
    font-size: 13px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: .06em;
    text-transform: uppercase;
    text-decoration: none;
    box-shadow: 0 16px 34px rgba(216, 177, 115, .24);
    transition: transform .22s ease, background .22s ease, box-shadow .22s ease;
}

.ob-intro__button:hover {
    transform: translateY(-2px);
    background: #efcf92;
    color: #14110d;
    text-decoration: none;
    box-shadow: 0 20px 42px rgba(216, 177, 115, .32);
}

/* ===== АДАПТИВ ===== */

@media (max-width: 991px) {
    .ob-intro {
        padding: 72px 0;
    }

    .ob-intro__inner {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .ob-intro__content {
        max-width: 100%;
    }

    .ob-intro__note {
        position: relative;
        top: auto;
    }
}

@media (max-width: 767px) {
    .ob-intro {
        padding: 56px 0;
    }

    .ob-intro__inner {
        width: min(100% - 28px, 1180px);
    }

    .ob-intro__title {
        font-size: 30px;
        line-height: 1.08;
    }

    .ob-intro__text {
        margin-top: 20px;
    }

    .ob-intro__text p {
        font-size: 16px;
        line-height: 1.65;
    }

    .ob-intro__note {
        padding: 24px 20px;
        border-radius: 22px;
    }

    .ob-intro__note-title {
        font-size: 20px;
    }
}

@media (max-width: 420px) {
    .ob-intro__inner {
        width: min(100% - 22px, 1180px);
    }

    .ob-intro__title {
        font-size: 27px;
    }

    .ob-intro__text p {
        font-size: 15px;
    }

    .ob-intro__button {
        font-size: 12px;
        min-height: 52px;
    }
}