/* Страница «Контакты» — blokcont.ru/kontakty */

/* ===== HERO ===== */
.ktz-hero {
    position: relative;
    padding: 140px 0 72px;
    overflow: hidden;
}
.ktz-hero:before {
    content: "";
    position: absolute;
    top: -160px;
    right: -140px;
    width: 620px;
    height: 620px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(46, 123, 255, 0.14), transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}
.ktz-hero:after {
    content: "";
    position: absolute;
    bottom: -140px;
    left: -120px;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(46, 123, 255, 0.07), transparent 70%);
    filter: blur(70px);
    pointer-events: none;
}
.ktz-hero .container {
    position: relative;
    z-index: 1;
}
.ktz-hero__title {
    max-width: 960px;
    font-family: var(--font-head);
    font-size: var(--fs-h1);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -2px;
    margin-bottom: 24px;
}
.ktz-hero__lead {
    max-width: 820px;
    font-size: 17px;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 34px;
}
.ktz-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
}
.ktz-hero__actions .btn {
    margin-top: 0;
    line-height: 1.5;
}
.ktz-hero__phone {
    font-family: var(--font-head);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -.4px;
    color: var(--white);
    text-decoration: none;
}
.ktz-hero__phone:hover {
    color: var(--blue-light);
}

/* ===== ОБЩИЕ СЕКЦИИ ===== */
.ktz-cards,
.ktz-howto {
    padding: 100px 0;
    position: relative;
}
.ktz-cards {
    background: linear-gradient(180deg, var(--black) 0%, var(--bg-section) 50%, var(--black) 100%);
}
.ktz-requisites {
    padding: 100px 0;
    position: relative;
    background: var(--bg-section);
}
.ktz-cards .container,
.ktz-requisites .container,
.ktz-howto .container {
    position: relative;
    z-index: 1;
}

/* ===== КОНТАКТНЫЕ КАРТОЧКИ ===== */
.ktz-cards__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 44px;
}
.ktz-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 30px 26px 34px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: inherit;
}
.ktz-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: 8px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(46, 123, 255, .3), rgba(46, 123, 255, .12));
    border: 1px solid rgba(46, 123, 255, .45);
    color: var(--blue-light);
}
.ktz-card__label {
    font-size: 13px;
    letter-spacing: .6px;
    text-transform: uppercase;
    color: var(--text-muted);
}
.ktz-card__value {
    font-family: var(--font-head);
    font-size: 19px;
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -.4px;
    color: var(--white);
}
.ktz-card__hint {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-muted);
}
.ktz-card__map {
    margin-top: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--blue-light);
    text-decoration: none;
}
.ktz-card__map:hover {
    text-decoration: underline;
}
a.ktz-card:hover .ktz-card__value {
    color: var(--blue-light);
}

/* ===== РЕКВИЗИТЫ ===== */
.ktz-requisites__grid,
.ktz-howto__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 36px;
}
.ktz-checklist {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 30px 26px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow), inset 0 1px 0 hsla(0, 0%, 100%, .08);
}
.ktz-checklist li {
    position: relative;
    padding-left: 34px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--white);
}
.ktz-checklist li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    border-radius: 6px;
    background: linear-gradient(135deg, rgba(46, 123, 255, .3), rgba(46, 123, 255, .12));
    border: 1px solid rgba(46, 123, 255, .45);
}
.ktz-checklist li:after {
    content: "";
    position: absolute;
    left: 6px;
    top: 8px;
    width: 8px;
    height: 5px;
    border-left: 2px solid var(--blue-light);
    border-bottom: 2px solid var(--blue-light);
    transform: rotate(-45deg);
}
.ktz-requisites__note,
.ktz-howto__note {
    max-width: 900px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-muted);
}
.ktz-requisites__note a,
.ktz-howto__note a {
    color: var(--blue-light);
}

/* ===== КАК ОТПРАВИТЬ ЗАПРОС ===== */
.ktz-howto {
    position: relative;
    overflow: hidden;
}
.ktz-howto__lead {
    max-width: 860px;
    font-size: 17px;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 36px;
}
.ktz-howto__grid {
    margin-bottom: 36px;
}

/* ===== АДАПТИВ ===== */
@media (max-width: 1100px) {
    .ktz-cards__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 960px) {
    .ktz-cards,
    .ktz-requisites,
    .ktz-howto {
        padding-top: 80px;
        padding-bottom: 72px;
    }
    .ktz-hero {
        padding-top: 120px;
    }
}
@media (max-width: 640px) {
    .ktz-hero__title {
        letter-spacing: -1.2px;
        margin-bottom: 18px;
    }
    .ktz-hero__lead,
    .ktz-howto__lead {
        font-size: 16px;
        line-height: 1.65;
    }
    .ktz-hero__actions {
        width: 100%;
    }
    .ktz-hero__actions .btn {
        width: 100%;
        padding: 16px 20px;
    }
    .ktz-cards__grid,
    .ktz-requisites__grid,
    .ktz-howto__grid {
        grid-template-columns: 1fr;
    }
    .ktz-cards,
    .ktz-requisites,
    .ktz-howto {
        padding-top: 64px;
        padding-bottom: 64px;
    }
    .ktz-card,
    .ktz-checklist {
        padding: 24px 20px 26px;
    }
}