.page-cases {
    background: var(--soft-white);
    color: var(--jet-black);
}

.page-cases .cases-main {
    width: min(var(--content-w), calc(100% - var(--page-gutter) * 2));
    margin: 0 auto;
    padding: var(--page-padding) 0 80px;
}

.cases-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 36px;
    padding-bottom: 36px;
    border-bottom: 1px solid color-mix(in srgb, var(--bold-blue) 18%, transparent);
}

.case-eyebrow {
    margin: 0 0 12px;
    color: var(--bold-blue);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.cases-hero h1 {
    max-width: 780px;
    margin: 0;
    color: var(--jet-black);
    font-family: var(--site-heading-font-family);
    font-size: clamp(2.4rem, 5vw, 5.4rem);
    line-height: 0.96;
    letter-spacing: -0.06em;
}

.cases-training-note {
    max-width: 760px;
    margin: 16px 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.cases-hero__lead {
    max-width: 700px;
    margin: 22px 0 0;
    color: color-mix(in srgb, var(--jet-black) 68%, transparent);
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    line-height: 1.55;
}

.cases-hero__aside {
    min-width: 235px;
    padding: 18px 20px;
    border: 1px solid color-mix(in srgb, var(--bold-blue) 22%, transparent);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 18px 45px rgba(var(--palette-night-rgb), 0.08);
}

.cases-hero__aside span,
.cases-hero__aside strong {
    display: block;
}

.cases-hero__aside span {
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
    font-size: 0.82rem;
}

.cases-hero__aside strong {
    margin-top: 5px;
    color: var(--bold-blue);
    font-size: 1.65rem;
}

.cases-toolbar {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) auto;
    align-items: center;
    gap: 18px;
    margin: 34px 0 20px;
}

.cases-search {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    padding: 0 18px;
    border: 1px solid color-mix(in srgb, var(--bold-blue) 20%, transparent);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.82);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.cases-search:focus-within {
    border-color: var(--bold-blue);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--light-blue) 18%, transparent);
}

.cases-search i {
    color: var(--bold-blue);
}

.cases-search input {
    width: 100%;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--jet-black);
    font: inherit;
}

.cases-search input::placeholder {
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
}

.cases-count {
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
    font-size: 0.92rem;
    white-space: nowrap;
}

.cases-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 28px;
}

.cases-filter {
    min-height: 40px;
    padding: 8px 16px;
    border: 1px solid color-mix(in srgb, var(--bold-blue) 20%, transparent);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.7);
    color: var(--bold-blue);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    transition:
        transform 0.2s ease,
        background-color 0.2s ease,
        color 0.2s ease,
        box-shadow 0.2s ease;
}

.cases-filter:hover,
.cases-filter:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(var(--palette-primary-rgb), 0.12);
}

.cases-filter.is-active {
    background: var(--bold-blue);
    color: var(--soft-white);
}

.case-catalog {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.case-card {
    display: flex;
    min-height: 340px;
    flex-direction: column;
    padding: 24px;
    border: 1px solid rgba(var(--palette-primary-rgb), 0.18);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    opacity: 1;
    transform: none;
    animation: case-card-in 0.55s var(--ease-standard, cubic-bezier(0.2, 0.8, 0.2, 1)) both;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

.case-card:nth-child(2) {
    animation-delay: 50ms;
}

.case-card:nth-child(3) {
    animation-delay: 100ms;
}

.case-card:nth-child(4) {
    animation-delay: 150ms;
}

.case-card:hover {
    border-color: color-mix(in srgb, var(--light-blue) 70%, var(--bold-blue));
    box-shadow: 0 24px 50px rgba(var(--palette-primary-rgb), 0.16);
    transform: translateY(-5px);
}

.case-card.is-complete {
    border-color: color-mix(in srgb, var(--light-blue) 58%, transparent);
}

.case-card__top,
.case-card__meta,
.case-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.case-card__category,
.case-card__difficulty {
    color: var(--bold-blue);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-card__difficulty {
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
    letter-spacing: 0;
    text-transform: none;
}

.case-card h2 {
    margin: 24px 0 12px;
    color: var(--jet-black);
    font-family: var(--site-heading-font-family);
    font-size: clamp(1.2rem, 1.6vw, 1.4rem);
    line-height: 1.3;
}

.case-card__description {
    min-height: 69px;
    margin: 0;
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
    line-height: 1.45;
}

.case-card__meta {
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-top: auto;
    padding-top: 22px;
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
    font-size: 0.8rem;
}

.case-card__meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.case-card__meta i {
    color: var(--bold-blue);
}

.case-card__footer {
    align-items: end;
    margin-top: 20px;
    padding-top: 17px;
    border-top: 1px solid rgba(var(--palette-primary-rgb), 0.13);
}

.case-card__status {
    max-width: 52%;
    color: color-mix(in srgb, var(--jet-black) 66%, transparent);
    font-size: 0.78rem;
}

.case-card.is-complete .case-card__status {
    color: var(--bold-blue);
    font-weight: 700;
}

.case-card__start {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    min-height: 44px;
    padding: 9px 17px;
    border: 0;
    border-radius: var(--radius-full);
    background: var(--bold-blue);
    color: var(--soft-white);
    cursor: pointer;
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition:
        background-color 0.2s ease,
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.case-card__start:hover,
.case-card__start:focus-visible {
    background: var(--jet-black);
    box-shadow: 0 10px 24px rgba(var(--palette-night-rgb), 0.2);
    transform: translateY(-2px);
}

.case-card__start span {
    font-size: 1.15rem;
    line-height: 0;
    transition: transform 0.2s ease;
}

.case-card__start:hover span {
    transform: translateX(4px);
}

.cases-empty {
    grid-column: 1 / -1;
    padding: 42px;
    border: 1px dashed color-mix(in srgb, var(--bold-blue) 35%, transparent);
    border-radius: var(--radius-lg);
    color: color-mix(in srgb, var(--jet-black) 65%, transparent);
    text-align: center;
}

.case-card h2 a {
    color: inherit;
    text-decoration: none;
}

.case-card h2 a:hover {
    color: var(--bold-blue);
}

.cases-department {
    display: grid;
    gap: 8px;
    min-width: 240px;
    color: var(--text-secondary);
    font-size: 0.82rem;
}

.cases-department select {
    min-height: 46px;
    padding: 10px 14px;
    border: 1px solid var(--palette-border);
    border-radius: 12px;
    background: #fff;
    color: var(--text-primary);
    font: inherit;
}

.cases-filters {
    align-items: center;
}
.cases-filter {
    min-height: 44px;
}
.cases-count {
    margin: 0 0 0 auto;
}
.cases-toolbar {
    align-items: end;
}
.page-cases :focus-visible {
    outline: 2px solid var(--bold-blue);
    outline-offset: 4px;
}

@keyframes case-card-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 980px) {
    .case-catalog {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 700px) {
    .cases-hero,
    .cases-toolbar,
    .case-catalog {
        grid-template-columns: 1fr;
    }
    .cases-hero__aside {
        min-width: 0;
    }
    .case-card {
        min-height: 300px;
    }
    .cases-count {
        width: 100%;
        margin: 8px 0 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .case-card,
    .cases-filter,
    .case-card__start {
        animation: none;
        transition: none;
    }
    .case-card:hover {
        transform: none;
    }
}