/* ===================================================
   LANDING-СТРАНИЦЫ ПО ПРИМЕНЕНИЮ
   =================================================== */

/* HERO */
.use-hero {
    padding: 56px 0 72px;
    background:
        radial-gradient(ellipse at top right, rgba(184, 136, 74, 0.04), transparent 50%),
        var(--c-ivory);
    position: relative;
    overflow: hidden;
}
.use-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, transparent, var(--tone, var(--c-emerald)) 100%);
    opacity: 0.05;
    pointer-events: none;
}
.use-hero__inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 56px;
    align-items: center;
    position: relative;
}
.use-hero__title {
    font-family: var(--ff-serif);
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin: 18px 0 20px;
    color: var(--c-graphite);
}
.use-hero__title em {
    font-style: italic;
    color: var(--tone, var(--c-emerald));
}
.use-hero__lead {
    font-size: 17px;
    line-height: 1.6;
    color: var(--c-mute);
    max-width: 560px;
    margin: 0 0 28px;
}
.use-hero__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.use-hero__right {
    position: relative;
    background: #fff;
    padding: 36px;
    border-radius: 22px;
    border: 1px solid rgba(14, 19, 17, 0.06);
    box-shadow: 0 30px 80px -40px rgba(14, 19, 17, 0.18);
}
.use-hero__icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    background: var(--tone, var(--c-emerald));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.use-hero__stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.use-hero__stat {
    padding: 16px 0;
    border-top: 1px solid rgba(14, 19, 17, 0.08);
}
.use-hero__stat b {
    display: block;
    font-family: var(--ff-serif);
    font-size: 28px;
    color: var(--c-graphite);
    font-weight: 600;
    line-height: 1;
    margin-bottom: 4px;
}
.use-hero__stat span {
    font-size: 12px;
    color: var(--c-mute);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: var(--ff-mono);
}

/* ============ ЗАДАЧИ ============ */
.use-tasks {
    padding: 80px 0;
}
.use-tasks__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 40px;
}
.task-card {
    padding: 32px 28px;
    background: #fff;
    border: 1px solid rgba(14, 19, 17, 0.06);
    border-radius: 18px;
    transition: all .35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}
.task-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, var(--tone, var(--c-emerald)) 0%, transparent 100%);
    opacity: 0;
    transition: opacity .3s;
    pointer-events: none;
}
.task-card:hover {
    transform: translateY(-4px);
    border-color: var(--tone, var(--c-emerald));
    box-shadow: 0 30px 60px -30px rgba(31, 77, 60, 0.2);
}
.task-card:hover::before {
    opacity: 0.04;
}
.task-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: var(--c-ivory);
    color: var(--tone, var(--c-emerald));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    transition: all .3s;
}
.task-card:hover .task-card__icon {
    background: var(--tone, var(--c-emerald));
    color: #fff;
}
.task-card__title {
    font-family: var(--ff-serif);
    font-size: 19px;
    line-height: 1.2;
    margin: 0 0 10px;
    color: var(--c-graphite);
}
.task-card__text {
    margin: 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--c-mute);
}

/* ============ РЕКОМЕНДУЕМЫЕ ТОВАРЫ ============ */
.use-products {
    padding: 0 0 80px;
}

/* ============ ДОКУМЕНТЫ ============ */
.use-docs {
    padding: 80px 0;
    background: var(--c-graphite);
    color: var(--c-ivory);
    position: relative;
    overflow: hidden;
}
.use-docs::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--c-emerald) 0%, transparent 60%);
    opacity: 0.15;
    pointer-events: none;
}
.use-docs__inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: center;
    position: relative;
}
.use-docs .section-index span:last-child {
    color: rgba(241, 234, 219, 0.6);
}
.use-docs .section-title {
    color: var(--c-ivory);
}
.use-docs__lead {
    margin: 18px 0 28px;
    line-height: 1.6;
    color: rgba(241, 234, 219, 0.7);
}
.use-docs__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 12px;
}
.use-docs__item {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 18px 22px;
    background: rgba(241, 234, 219, 0.04);
    border: 1px solid rgba(241, 234, 219, 0.08);
    border-radius: 14px;
    font-size: 15px;
    transition: all .25s;
}
.use-docs__item:hover {
    background: rgba(241, 234, 219, 0.08);
    transform: translateX(4px);
}
.use-docs__item svg {
    color: var(--c-emerald);
    flex-shrink: 0;
}

/* ============ КАК РАБОТАЕМ ============ */
.use-how {
    padding: 80px 0;
}
.use-how__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 40px;
    counter-reset: step;
}
.how-step {
    padding: 32px 26px;
    background: #fff;
    border: 1px solid rgba(14, 19, 17, 0.06);
    border-radius: 18px;
    position: relative;
    transition: all .3s;
}
.how-step:hover {
    transform: translateY(-3px);
    border-color: var(--tone, var(--c-emerald));
    box-shadow: 0 24px 50px -25px rgba(31, 77, 60, 0.15);
}
.how-step__num {
    display: inline-block;
    font-family: var(--ff-mono);
    font-size: 12px;
    letter-spacing: 0.15em;
    color: var(--tone, var(--c-emerald));
    margin-bottom: 18px;
    padding: 6px 12px;
    background: var(--c-ivory);
    border-radius: 100px;
    font-weight: 600;
}
.how-step__title {
    font-family: var(--ff-serif);
    font-size: 19px;
    line-height: 1.2;
    margin: 0 0 10px;
    color: var(--c-graphite);
}
.how-step__text {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.55;
    color: var(--c-mute);
}

/* ============ FAQ ============ */
.use-faq {
    padding: 0 0 80px;
}
.use-faq__inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 56px;
    align-items: start;
}
.use-faq__lead {
    margin: 18px 0 28px;
    color: var(--c-mute);
    line-height: 1.6;
}
.use-faq__phone {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--ff-serif);
    font-size: 22px;
    font-weight: 600;
    color: var(--c-graphite);
    text-decoration: none;
    padding: 14px 22px;
    background: var(--c-ivory);
    border-radius: 100px;
    transition: all .25s;
}
.use-faq__phone:hover {
    background: var(--c-emerald);
    color: #fff;
}
.use-faq__phone svg {
    color: var(--c-emerald);
    transition: color .25s;
}
.use-faq__phone:hover svg {
    color: #fff;
}

/* ============ CTA ============ */
.use-cta {
    padding: 0 0 80px;
}
.use-cta__inner {
    position: relative;
    padding: 64px 48px;
    border-radius: 28px;
    overflow: hidden;
    background: var(--c-graphite);
    color: var(--c-ivory);
}
.use-cta__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at top right, var(--tone, var(--c-emerald)), transparent 60%),
        radial-gradient(ellipse at bottom left, rgba(184, 136, 74, 0.3), transparent 60%);
    opacity: 0.5;
    pointer-events: none;
}
.use-cta__content {
    position: relative;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.section-index--light span,
.section-index--light i {
    color: rgba(241, 234, 219, 0.5);
}
.use-cta__title {
    font-family: var(--ff-serif);
    font-size: clamp(28px, 4vw, 44px);
    line-height: 1.1;
    margin: 16px 0 14px;
}
.use-cta__lead {
    color: rgba(241, 234, 219, 0.75);
    margin-bottom: 28px;
    line-height: 1.55;
    font-size: 16px;
}
.use-cta__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn--accent {
    background: var(--c-amber);
    color: #fff;
    border: 1px solid var(--c-amber);
}
.btn--accent:hover {
    background: #a77939;
    border-color: #a77939;
}
.btn--ghost-light {
    background: transparent;
    color: var(--c-ivory);
    border: 1px solid rgba(241, 234, 219, 0.3);
}
.btn--ghost-light:hover {
    background: rgba(241, 234, 219, 0.1);
    border-color: rgba(241, 234, 219, 0.6);
}

/* ============ АДАПТИВ ============ */
@media (max-width: 1024px) {
    .use-hero__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .use-tasks__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .use-how__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .use-docs__inner,
    .use-faq__inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}
@media (max-width: 640px) {
    .use-hero {
        padding: 32px 0 48px;
    }
    .use-hero__right {
        padding: 24px;
    }
    .use-hero__stats {
        grid-template-columns: 1fr 1fr;
    }
    .use-tasks__grid {
        grid-template-columns: 1fr;
    }
    .use-how__grid {
        grid-template-columns: 1fr;
    }
    .use-cta__inner {
        padding: 40px 24px;
    }
    .use-cta__actions {
        flex-direction: column;
    }
    .use-cta__actions .btn {
        width: 100%;
        justify-content: center;
    }
}