/* Product landing — shared styles for app landings (Потолочник, Звондик, etc.) */

.product-landing-body,
.ceiling-landing-body {
    --product-accent: #007afe;
}

.business-landing-body {
    --product-accent: #007afe;
}

.callrec-landing-body {
    --product-accent: #007afe;
}

.callrec-lite-landing-body {
    --product-accent: #007afe;
}

.product-landing-brand img,
.ceiling-landing-brand img {
    max-height: 28px;
}

.product-landing-hero,
.ceiling-landing-hero {
    padding: 72px 0 56px;
    text-align: center;
}

.product-landing-hero__icon,
.ceiling-landing-hero__icon {
    width: 96px;
    height: 96px;
    margin-bottom: 24px;
}

.product-landing-hero__brand,
.ceiling-landing-hero__brand {
    display: block;
    margin-bottom: 16px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--product-accent);
}

.product-landing-hero__title,
.ceiling-landing-hero__title {
    margin: 0 auto 20px;
    max-width: 820px;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.25;
}

.product-landing-hero__lead,
.ceiling-landing-hero__lead {
    margin: 0 auto 12px;
    max-width: 720px;
    font-size: 1.0625rem;
    line-height: 1.6;
    color: #495057;
}

.product-landing-hero__stat,
.ceiling-landing-hero__stat {
    margin: 0 auto 28px;
    font-size: 1rem;
    font-weight: 600;
    color: #212529;
}

.product-landing-downloads,
.ceiling-landing-downloads {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
}

.product-landing-downloads .btn,
.ceiling-landing-downloads .btn {
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 6px;
}

.product-landing-downloads .btn-primary,
.ceiling-landing-downloads .btn-primary,
.product-tariff-card .btn-primary,
.product-cta .btn-primary {
    background-color: var(--product-accent);
    border-color: var(--product-accent);
}

.product-landing-downloads .btn-primary:hover,
.ceiling-landing-downloads .btn-primary:hover,
.product-tariff-card .btn-primary:hover,
.product-cta .btn-primary:hover {
    filter: brightness(0.92);
}

.product-landing-downloads .btn-outline-primary,
.ceiling-landing-downloads .btn-outline-primary {
    color: var(--product-accent);
    border-color: var(--product-accent);
}

.product-landing-downloads .btn-outline-primary:hover,
.ceiling-landing-downloads .btn-outline-primary:hover {
    background-color: var(--product-accent);
    border-color: var(--product-accent);
    color: #fff;
}

.product-audience-grid,
.ceiling-audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-audience-card,
.ceiling-audience-card {
    padding: 24px;
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    height: 100%;
}

.product-audience-card__title,
.ceiling-audience-card__title {
    margin: 0 0 16px;
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.35;
}

.product-audience-card__list,
.ceiling-audience-card__list {
    margin: 0;
    padding-left: 1.2rem;
    font-size: 0.9375rem;
    line-height: 1.55;
    color: #495057;
}

.product-audience-card__list li + li,
.ceiling-audience-card__list li + li {
    margin-top: 8px;
}

.product-problems-grid,
.ceiling-problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-problem-card,
.ceiling-problem-card {
    padding: 24px;
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    text-align: center;
}

.product-problem-card__icon,
.ceiling-problem-card__icon {
    font-size: 36px;
    color: var(--product-accent);
    margin-bottom: 12px;
}

.product-problem-card__title,
.ceiling-problem-card__title {
    margin: 0 0 10px;
    font-size: 1.125rem;
    font-weight: 600;
}

.product-problem-card__desc,
.ceiling-problem-card__desc {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: #6c757d;
}

.product-features-grid,
.ceiling-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.product-feature-card,
.ceiling-feature-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px;
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.product-feature-card:hover,
.ceiling-feature-card:hover {
    border-color: var(--product-accent);
    box-shadow: 0 4px 12px rgba(0, 122, 254, 0.1);
}

.product-feature-card__icon,
.ceiling-feature-card__icon {
    font-size: 28px;
    color: var(--product-accent);
}

.product-feature-card__title,
.ceiling-feature-card__title {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.3;
}

.product-feature-card__desc,
.ceiling-feature-card__desc {
    font-size: 0.875rem;
    line-height: 1.45;
    color: #6c757d;
}

.product-reviews-grid,
.ceiling-reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.product-review-card,
.ceiling-review-card {
    padding: 20px;
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
}

.product-review-card__author,
.ceiling-review-card__author {
    margin: 0 0 4px;
    font-weight: 600;
    font-size: 0.9375rem;
}

.product-review-card__date,
.ceiling-review-card__date {
    display: block;
    margin-bottom: 12px;
    font-size: 0.8125rem;
    color: #6c757d;
}

.product-review-card__text,
.ceiling-review-card__text {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.55;
    color: #495057;
}

.product-cta,
.ceiling-cta {
    padding: 56px 0;
    text-align: center;
    background: linear-gradient(135deg, #f0f7ff 0%, #fff 100%);
}

.product-cta__title,
.ceiling-cta__title {
    margin: 0 0 8px;
    font-size: 1.5rem;
    font-weight: 700;
}

.product-cta__subtitle,
.ceiling-cta__subtitle {
    margin: 0 0 24px;
    font-size: 1rem;
    color: #6c757d;
}

.product-tariffs-toggle,
.ceiling-tariffs-toggle {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 32px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.product-tariffs-toggle__btn,
.ceiling-tariffs-toggle__btn {
    padding: 0.5rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    background: #fff;
    color: #495057;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.product-tariffs-toggle__btn.is-active,
.ceiling-tariffs-toggle__btn.is-active {
    background: var(--product-accent);
    color: #fff;
}

.product-tariffs-grid,
.ceiling-tariffs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.product-tariff-card,
.ceiling-tariff-card {
    display: flex;
    flex-direction: column;
    padding: 28px;
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
}

.product-tariff-card__name,
.ceiling-tariff-card__name {
    margin: 0 0 4px;
    font-size: 1.25rem;
    font-weight: 700;
}

.product-tariff-card__desc,
.ceiling-tariff-card__desc {
    margin: 0 0 16px;
    font-size: 0.875rem;
    color: #6c757d;
}

.product-tariff-card__price,
.ceiling-tariff-card__price {
    margin: 0 0 4px;
    font-size: 1.75rem;
    font-weight: 700;
    color: #212529;
}

.product-tariff-card__note,
.ceiling-tariff-card__note {
    margin: 0 0 16px;
    font-size: 0.8125rem;
    color: #6c757d;
    min-height: 1.25rem;
}

.product-tariff-card__features,
.ceiling-tariff-card__features {
    flex: 1;
    margin: 0 0 20px;
    padding-left: 1.2rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: #495057;
}

.product-tariff-period.is-hidden,
.ceiling-tariff-period.is-hidden {
    display: none;
}

.product-tariffs-trial,
.ceiling-tariffs-trial {
    text-align: center;
    margin-bottom: 24px;
    font-size: 0.9375rem;
    color: #6c757d;
}

.product-platforms,
.ceiling-platforms {
    text-align: center;
}

.product-platforms__list,
.ceiling-platforms__list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 24px 0;
}

.product-platforms__item,
.ceiling-platforms__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
}

.product-platforms__item .material-icons,
.ceiling-platforms__item .material-icons {
    font-size: 20px;
    color: var(--product-accent);
}

.product-platforms__text,
.ceiling-platforms__text {
    max-width: 640px;
    margin: 0 auto 24px;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: #495057;
    text-align: left;
}

.product-faq .accordion-item,
.ceiling-faq .accordion-item {
    border: 1px solid #e9ecef;
    border-radius: 8px !important;
    margin-bottom: 8px;
    overflow: hidden;
}

.product-faq .accordion-button:not(.collapsed),
.ceiling-faq .accordion-button:not(.collapsed) {
    color: var(--product-accent);
    background-color: rgba(0, 122, 254, 0.06);
    box-shadow: none;
}

@media (max-width: 991.98px) {
    .product-audience-grid,
    .product-problems-grid,
    .product-reviews-grid,
    .ceiling-audience-grid,
    .ceiling-problems-grid,
    .ceiling-reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-features-grid,
    .ceiling-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575.98px) {
    .product-landing-hero,
    .ceiling-landing-hero {
        padding: 48px 0 40px;
    }

    .product-audience-grid,
    .product-problems-grid,
    .product-features-grid,
    .product-reviews-grid,
    .product-tariffs-grid,
    .ceiling-audience-grid,
    .ceiling-problems-grid,
    .ceiling-features-grid,
    .ceiling-reviews-grid,
    .ceiling-tariffs-grid {
        grid-template-columns: 1fr;
    }

    .product-landing-downloads,
    .ceiling-landing-downloads {
        flex-direction: column;
        align-items: stretch;
    }

    .product-landing-downloads .btn,
    .ceiling-landing-downloads .btn {
        width: 100%;
    }
}