/* ════════════════════════════════════════════
   ZVPOL CASES SECTION v2.2
   themes/zvpol/css/cases-section.css
   ════════════════════════════════════════════ */

.cases-section {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    margin: 40px auto;
    max-width: 1240px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.cases-section * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Шапка ── */
.cases-section .section-header {
    text-align: center;
    margin-bottom: 40px;
}

.cases-section .section-title {
    font-size: 32px;
    font-weight: 600;
    color: #1a365d;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.cases-section .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--zv-brand), var(--zv-brand));
    border-radius: 2px;
}

.cases-section .section-subtitle {
    font-size: 16px;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ── Фильтры ── */
.cases-section .cases-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.cases-section .filter-btn {
    background: transparent;
    border: 1.5px solid #e2e8f0;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: #4a5568;
    cursor: pointer;
    transition: all .22s ease;
    white-space: nowrap;
}

.cases-section .filter-btn:hover {
    border-color: var(--zv-brand);
    color: var(--zv-brand);
    background: rgba(86,92,224,.05);
}

.cases-section .filter-btn.active {
    background: linear-gradient(135deg, var(--zv-brand), var(--zv-brand));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 3px 10px rgba(86,92,224,.3);
}

/* ════════════════════════════════════════════
   СЕТКА — flex колонка, featured сверху на всю ширину
   ════════════════════════════════════════════ */
.cases-section .cases-grid {
    display: flex !important;
    flex-direction: column !important;
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
    grid-template-columns: unset !important; /* сбрасываем если старый css задал grid */
}

/* Строка обычных карточек */
.cases-section .cases-row {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 20px;
}

/* 1 кейс — карточка на половину ширины по центру */
.cases-section .cases-row--single {
    display: grid !important;
    grid-template-columns: 1fr !important;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

/* ════════════════════════════════════════════
   FEATURED — горизонтальный, на всю ширину
   ════════════════════════════════════════════ */
.cases-section .case-card--featured {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    grid-template-rows: auto !important;
    background: linear-gradient(135deg, var(--zv-soft), var(--zv-soft));
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--zv-border);
    box-shadow: 0 4px 20px rgba(86,92,224,.08);
    transition: box-shadow .28s ease, transform .28s ease;
    position: relative;
    width: 100%;
}

.cases-section .case-card--featured::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--zv-brand), var(--zv-brand), var(--zv-border));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .35s ease;
    z-index: 1;
}

.cases-section .case-card--featured:hover {
    box-shadow: 0 12px 36px rgba(86,92,224,.14);
    transform: translateY(-4px);
}

.cases-section .case-card--featured:hover::before {
    transform: scaleX(1);
}

/* Левая половина — фото */
.cases-section .case-card--featured .case-image {
    width: 100%;
    height: 100%;
    min-height: 320px;
    overflow: hidden;
    background: var(--zv-soft);
    position: relative;
}

.cases-section .case-card--featured .case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
}

.cases-section .case-card--featured:hover .case-image img {
    transform: scale(1.05);
}

/* Правая половина — контент */
.cases-section .case-card--featured .case-content {
    padding: 36px 36px 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cases-section .case-card--featured .case-number {
    font-size: 52px;
    font-weight: 800;
    color: rgba(86,92,224,.1);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -2px;
}

/* ════════════════════════════════════════════
   ОБЫЧНЫЕ КАРТОЧКИ
   ════════════════════════════════════════════ */
.cases-section .case-card {
    background: #fff;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 12px rgba(0,0,0,.05);
    transition: box-shadow .25s ease, transform .25s ease;
    position: relative;
    display: flex !important;
    flex-direction: column !important;
}

.cases-section .case-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--zv-brand), var(--zv-brand));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s ease;
    z-index: 1;
}

.cases-section .case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 28px rgba(86,92,224,.12);
    border-color: var(--zv-border);
}

.cases-section .case-card:hover::before {
    transform: scaleX(1);
}

.cases-section .case-card .case-image {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
    background: var(--zv-soft);
    flex-shrink: 0;
}

.cases-section .case-card .case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .35s ease;
}

.cases-section .case-card:hover .case-image img {
    transform: scale(1.05);
}

/* ── Бейдж категории ── */
.cases-section .case-badge {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(27,60,120,.85);
    color: #fff;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    letter-spacing: .03em;
    z-index: 2;
}

/* Для featured — бейдж статичный в контенте */
.cases-section .case-card--featured .case-badge {
    position: static;
    display: inline-block;
    background: linear-gradient(135deg, var(--zv-brand), var(--zv-brand));
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    margin-bottom: 12px;
    align-self: flex-start;
    font-size: 12px;
    padding: 4px 14px;
}

/* ── Номер на фото ── */
.cases-section .case-num {
    position: absolute;
    bottom: 10px; right: 12px;
    font-size: 34px;
    font-weight: 800;
    color: rgba(255,255,255,.2);
    line-height: 1;
    letter-spacing: -1px;
    pointer-events: none;
    z-index: 1;
}

/* ── Контент ── */
.cases-section .case-card .case-content {
    padding: 20px 22px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.cases-section .case-title {
    font-size: 16px;
    font-weight: 700;
    color: #1a365d;
    line-height: 1.35;
    margin-bottom: 8px;
    transition: color .22s;
}

.cases-section .case-card--featured .case-title {
    font-size: 21px;
    margin-bottom: 10px;
}

.cases-section .case-description {
    font-size: 13px;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 14px;
    flex: 1;
}

.cases-section .case-card--featured .case-description {
    font-size: 14px;
    margin-bottom: 18px;
}

.cases-section .case-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

.cases-section .case-spec {
    background: rgba(86,92,224,.09);
    color: var(--zv-brand);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.cases-section .case-card--featured .case-spec {
    font-size: 12px;
    padding: 4px 12px;
}

.cases-section .case-footer {
    padding-top: 12px;
    border-top: 1px solid #f0f4f8;
    margin-top: auto;
}

.cases-section .case-card--featured .case-footer {
    border-top: 1px solid rgba(86,92,224,.12);
    padding-top: 14px;
}

.cases-section .case-client {
    font-size: 12px;
    color: #a0aec0;
    font-weight: 500;
}

/* ── Кнопка «Больше кейсов» ── */
.cases-section .cases-more {
    text-align: center;
    margin-top: 36px;
}

.cases-section .more-cases-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--zv-brand), var(--zv-brand));
    color: #fff;
    border: none;
    padding: 14px 36px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all .25s ease;
    box-shadow: 0 4px 14px rgba(86,92,224,.3);
}

.cases-section .more-cases-btn::after {
    content: '→';
    transition: transform .22s ease;
    display: inline-block;
}

.cases-section .more-cases-btn:hover {
    background: linear-gradient(135deg, var(--zv-brand-hover), var(--zv-brand-hover));
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(86,92,224,.38);
    color: #fff;
    text-decoration: none;
}

.cases-section .more-cases-btn:hover::after {
    transform: translateX(4px);
}

/* ── Скрытые карточки ── */
.cases-section .hidden {
    display: none !important;
}

/* ════════════════════════════════════════════
   АРХИВ /cases/ — 3 колонки
   ════════════════════════════════════════════ */
.cases-section .cases-archive-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.cases-section .cases-archive-grid .case-card .case-image {
    aspect-ratio: 3/2;
}

/* ── SEO блок ── */
.cases-section .cases-seo {
    margin-top: 36px;
    padding: 30px 36px;
    background: linear-gradient(135deg, var(--zv-soft), var(--zv-soft));
    border-radius: 16px;
    position: relative;
    overflow: hidden;
}

.cases-section .cases-seo::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--zv-brand), var(--zv-brand), var(--zv-border));
}

.cases-section .cases-seo h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1a365d;
    margin-bottom: 12px;
    line-height: 1.4;
}

.cases-section .cases-seo p {
    color: #4a5568;
    line-height: 1.7;
    font-size: 15px;
    margin-bottom: 14px;
}

.cases-section .cases-seo p:last-child { margin-bottom: 0; }

.cases-section .cases-seo .highlight {
    color: #1a365d;
    font-weight: 600;
}

/* ════════════════════════════════════════════
   АДАПТИВНОСТЬ
   ════════════════════════════════════════════ */
@media (max-width: 1240px) {
    .cases-section { margin: 40px 20px; }
}

@media (max-width: 900px) {
    .cases-section .cases-archive-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 18px;
    }
    .cases-section .case-card--featured {
        grid-template-columns: 1fr !important;
    }
    .cases-section .case-card--featured .case-image {
        aspect-ratio: 16/9;
        height: auto;
        min-height: unset;
    }
    .cases-section .case-card--featured .case-content {
        padding: 26px 26px 22px;
    }
    .cases-section .case-card--featured .case-number {
        font-size: 40px;
    }
}

@media (max-width: 768px) {
    .cases-section { padding: 28px 20px; margin: 20px 10px; }
    .cases-section .section-title { font-size: 26px; }
    .cases-section .section-subtitle { font-size: 15px; }
    .cases-section .filter-btn { padding: 7px 16px; font-size: 12px; }
    .cases-section .cases-row {
        grid-template-columns: 1fr !important;
    }
    .cases-section .case-card--featured .case-content { padding: 22px 20px 18px; }
    .cases-section .case-card--featured .case-title { font-size: 18px; }
    .cases-section .more-cases-btn { width: 100%; justify-content: center; }
    .cases-section .cases-seo { padding: 22px 18px; }
    .cases-section .cases-seo h4 { font-size: 17px; }
    .cases-section .cases-seo p { font-size: 14px; }
}

@media (max-width: 599px) {
    .cases-section { padding: 22px 14px; margin: 16px 8px; border-radius: 14px; }
    .cases-section .section-title { font-size: 22px; }
    .cases-section .cases-archive-grid {
        grid-template-columns: 1fr !important;
        gap: 14px;
    }
    .cases-section .case-card--featured .case-number { display: none; }
    .cases-section .case-title { font-size: 15px; }
    .cases-section .filter-btn { padding: 6px 12px; font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    .cases-section .case-card,
    .cases-section .case-card--featured,
    .cases-section .case-card .case-image img,
    .cases-section .case-card--featured .case-image img {
        transition: none;
        animation: none;
    }
}