/* Uchastnikam page — fluid scale 1920 → 2560 → 3840 (4K) */

.uchastnikam-page {
    --uchastnikam-content-width: min(var(--wrapper-max), calc(100vw - var(--page-side-pad) * 2));

    /* Typography — vw hits 2K at 2560px, max at 4K (×1.5) */
    --u-fs-hero: clamp(48px, 3.32vw, 128px);
    --u-fs-section: clamp(28px, 2.15vw, 83px);
    --u-fs-body: clamp(18px, 0.98vw, 38px);
    --u-fs-card-title: clamp(22px, 1.17vw, 45px);
    --u-fs-notice: clamp(18px, 1.17vw, 45px);
    --u-fs-disclaimer: clamp(13px, 0.59vw, 23px);
    --u-fs-btn: clamp(18px, 1.17vw, 45px);
    --u-fs-legend: clamp(22px, 1.17vw, 45px);

    /* Spacing */
    --u-gap-page: clamp(24px, 2.5vw, 60px);
    --u-gap-grid: clamp(16px, 1.25vw, 30px);
    --u-gap-layout: clamp(16px, 1.56vw, 60px);
    --u-gap-card: clamp(12px, 1vw, 24px);
    --u-gap-venue: clamp(24px, 3.1vw, 75px);
    --u-gap-btn: clamp(8px, 0.78vw, 18px);
    --u-pad-page-y: clamp(24px, 2.5vw, 60px);
    --u-pad-page-bottom: clamp(48px, 5vw, 120px);
    --u-pad-card: clamp(20px, 1.56vw, 60px);
    --u-margin-sm: clamp(16px, 1.25vw, 30px);
    --u-margin-md: clamp(24px, 1.95vw, 45px);

    /* Component sizes */
    --u-btn-height: clamp(48px, 2.8vw, 108px);
    --u-types-min-h: clamp(180px, 11.5vw, 443px);
    --u-formats-min-h: clamp(400px, 25vw, 960px);
    --u-icon-download: clamp(20px, 1.25vw, 38px);

    background: var(--color-bg-page, #efefef);
    padding: var(--u-pad-page-y) var(--page-side-pad) var(--u-pad-page-bottom);
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
}

.uchastnikam-page__wrapper {
    max-width: var(--uchastnikam-content-width);
    width: 100%;
    min-width: 0;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--u-gap-page);
    container-type: inline-size;
    container-name: uchastnikam-page;
}

.uchastnikam-page__wrapper--mobile {
    display: none;
}

/* Desktop — participation types (3×2 grid: title + 5 cards) */
.uchastnikam-d-types__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, auto));
    gap: var(--u-gap-grid);
    align-items: stretch;
}

.uchastnikam-d-types__title {
    margin: 0;
    display: flex;
    align-items: center;
    min-height: var(--u-types-min-h);
    font-size: var(--u-fs-hero);
    font-weight: 500;
    line-height: 1.05;
    color: var(--color-primary, #ae040f);
}

@media (min-width: 1920px) {
    .uchastnikam-d-types__title {
        padding-left: 106px
    }
}

@media (min-width: 2560px) {
    .uchastnikam-d-types__title {
        padding-left: 40px;
    }
}


.uchastnikam-d-types__card {
    background: #ffffff;
    border-radius: var(--radius-card, 30px);
    padding: var(--u-pad-card);
    box-sizing: border-box;
    min-height: var(--u-types-min-h);
    display: flex;
    align-items: center;
}

.uchastnikam-d-types__card-text {
    margin: 0;
    font-size: var(--u-fs-body);
    font-weight: 400;
    line-height: normal;
    color: var(--color-text, #292929);
}

.uchastnikam-d-types__card-text strong {
    font-weight: 500;
}

/* Desktop — formats */
.uchastnikam-d-formats__title {
    margin: 0 0 var(--u-margin-sm);
    padding-left: calc(var(--page-title-align-x) - var(--page-side-pad));
    font-size: var(--u-fs-section);
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-text, #292929);
}

.uchastnikam-d-formats__notice {
    margin: 0 0 var(--u-margin-md);
    font-size: var(--u-fs-notice);
    font-weight: 400;
    line-height: normal;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-d-formats__notice p {
    margin: 0;
    color: inherit;
}

.uchastnikam-d-formats__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--u-gap-grid);
}

.uchastnikam-d-formats__card {
    background: #ffffff;
    border-radius: var(--radius-card, 30px);
    padding: var(--u-pad-card);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: var(--u-gap-card);
    min-height: var(--u-formats-min-h);
}

.uchastnikam-d-formats__card-title {
    margin: 0;
    font-size: var(--u-fs-card-title);
    font-weight: 500;
    color: var(--color-text, #292929);
}

.uchastnikam-d-formats__card-body {
    font-size: var(--u-fs-body);
    font-weight: 400;
    line-height: normal;
    color: var(--color-text, #292929);
    flex: 1 1 auto;
}

.uchastnikam-d-formats__card-body ul {
    margin: 0;
    padding-left: 1.25em;
}

.uchastnikam-d-formats__card-body li {
    margin-bottom: 0.5em;
}

.uchastnikam-d-formats__card-body p {
    margin: 0.5em 0 0;
}

.uchastnikam-d-formats__disclaimer {
    margin: 0;
    font-size: var(--u-fs-disclaimer);
    font-style: italic;
    line-height: normal;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-d-formats__actions {
    display: flex;
    flex-direction: column;
    gap: var(--u-gap-grid);
    margin-top: auto;
}

.uchastnikam-d-formats__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--u-gap-btn);
    width: 100%;
    min-height: var(--u-btn-height);
    border: none;
    border-radius: var(--radius-card, 30px);
    font-family: inherit;
    font-size: var(--u-fs-btn);
    font-weight: 400;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
    transition: opacity 0.2s ease;
}

.uchastnikam-d-formats__btn:hover {
    opacity: 0.9;
    text-decoration: none;
}

.uchastnikam-d-formats__btn--primary {
    background: var(--color-footer-bg, #292929);
    color: var(--color-primary-text, #efefef);
}

.uchastnikam-d-formats__btn--secondary {
    background: #bebebe;
    color: var(--color-text, #292929);
}

.uchastnikam-d-formats__btn--secondary img {
    flex: 0 0 auto;
    width: var(--u-icon-download);
    height: auto;
}

/* Desktop — exhibition */
.uchastnikam-d-exhibition__title {
    margin: 0 0 var(--u-margin-sm);
    padding-left: calc(var(--page-title-align-x) - var(--page-side-pad));
    font-size: var(--u-fs-section);
    font-weight: 500;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-d-exhibition__text {
    margin: 0;
    font-size: var(--u-fs-body);
    font-weight: 400;
    color: var(--color-text, #292929);
}

/* Desktop — venue */
.uchastnikam-d-venue__title {
    margin: 0 0 var(--u-margin-md);
    padding-left: calc(var(--page-title-align-x) - var(--page-side-pad));
    font-size: var(--u-fs-section);
    font-weight: 500;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-d-venue__card {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #ffffff;
    border-radius: var(--radius-card, 30px);
    padding: var(--u-pad-card);
    box-sizing: border-box;
}

.uchastnikam-d-venue__map {
    display: block;
    width: 100%;
    max-width: 900px;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
}

/* Mobile — participation types */
.uchastnikam-m-types__title {
    margin: 0 0 20px;
    font-size: 40px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-m-types__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.uchastnikam-m-types__card {
    background: #ffffff;
    border-radius: var(--radius-card, 30px);
    padding: 15px;
    box-sizing: border-box;
}

.uchastnikam-m-types__card-text {
    margin: 0;
    font-size: 15px;
    font-weight: 400;
    line-height: normal;
    color: var(--color-text, #292929);
}

.uchastnikam-m-types__card-text strong {
    font-weight: 500;
}

/* Mobile — formats */
.uchastnikam-m-formats__title {
    margin: 0 0 15px;
    font-size: 25px;
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text, #292929);
}

.uchastnikam-m-formats__notice {
    margin: 0 0 20px;
    font-size: 15px;
    font-weight: 400;
    line-height: normal;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-m-formats__notice p {
    margin: 0;
    color: inherit;
}

.uchastnikam-m-formats__card {
    background: #ffffff;
    border-radius: var(--radius-card, 30px);
    padding: 15px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.uchastnikam-m-formats__card:last-child {
    margin-bottom: 0;
}

.uchastnikam-m-formats__card-title {
    margin: 0;
    font-size: 20px;
    font-weight: 500;
    color: var(--color-text, #292929);
}

.uchastnikam-m-formats__card-body {
    font-size: 15px;
    font-weight: 400;
    line-height: normal;
    color: var(--color-text, #292929);
}

.uchastnikam-m-formats__card-body ul {
    margin: 0;
    padding-left: 1.25em;
}

.uchastnikam-m-formats__card-body li {
    margin-bottom: 0.35em;
}

.uchastnikam-m-formats__card-body p {
    margin: 0.35em 0 0;
}

.uchastnikam-m-formats__disclaimer {
    margin: 0;
    font-size: 12px;
    font-style: italic;
    line-height: normal;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-m-formats__actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.uchastnikam-m-formats__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    min-height: 40px;
    border: none;
    border-radius: var(--radius-card, 30px);
    font-family: inherit;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
}

.uchastnikam-m-formats__btn--primary {
    background: var(--color-footer-bg, #292929);
    color: var(--color-primary-text, #efefef);
}

.uchastnikam-m-formats__btn--secondary {
    background: #bebebe;
    color: var(--color-text, #292929);
}

/* Mobile — exhibition */
.uchastnikam-m-exhibition__title {
    margin: 0 0 15px;
    font-size: 25px;
    font-weight: 500;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-m-exhibition__text {
    margin: 0;
    font-size: 15px;
    font-weight: 400;
    color: var(--color-text, #292929);
}

/* Mobile — venue */
.uchastnikam-m-venue {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.uchastnikam-m-venue__title {
    margin: 0;
    font-size: 25px;
    font-weight: 500;
    color: var(--color-primary, #ae040f);
}

.uchastnikam-m-venue__map-card {
    background: #ffffff;
    border-radius: var(--radius-card, 30px);
    padding: 15px;
    box-sizing: border-box;
}

.uchastnikam-m-venue__map {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    margin: 0 auto;
}

@media (max-width: 767px) {
    .uchastnikam-page {
        padding: 20px var(--page-side-pad) 60px;
    }

    .uchastnikam-page__wrapper--desktop {
        display: none;
    }

    .uchastnikam-page__wrapper--mobile {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
}

@media (min-width: 768px) and (max-width: 1024px) {
    .uchastnikam-d-types__grid,
    .uchastnikam-d-formats__grid {
        grid-template-columns: 1fr;
    }

    .uchastnikam-d-venue__card {
        flex-direction: column;
    }

    .uchastnikam-d-venue__map {
        max-width: 100%;
    }
}

@container uchastnikam-page (max-width: 900px) {
    .uchastnikam-d-types__grid,
    .uchastnikam-d-formats__grid {
        grid-template-columns: 1fr;
    }
}