/* ============================================
   CASES PAGE — master-marketing.ru
   ============================================ */
.cases-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.cases-page .policy-main {
    flex: 1;
    padding: 0;
}

.cases-hero {
    position: relative;
    text-align: center;
    padding: 48px 24px 56px;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(160deg, var(--bg-primary) 0%, #120a1f 50%, var(--bg-primary) 100%);
}

.cases-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 30%, rgba(123, 48, 216, 0.14) 0%, transparent 70%);
    pointer-events: none;
}

.cases-hero > * {
    position: relative;
    z-index: 1;
}

.cases-hero-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-light);
    border: 1px solid rgba(123, 48, 216, 0.35);
    padding: 8px 18px;
    border-radius: 40px;
    margin-bottom: 24px;
    background: rgba(123, 48, 216, 0.08);
}

.cases-hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    max-width: 900px;
    margin: 0 auto 20px;
    letter-spacing: -0.02em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cases-hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.8;
}

.cases-hero-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 32px;
}

.cases-stat-num {
    font-size: clamp(1.6rem, 4vw, 2.25rem);
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.cases-stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 6px;
    letter-spacing: 0.04em;
}

.cases-hero-cta {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.cases-blog-intro {
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.cases-blog-intro-inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.cases-blog-intro p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 24px;
}

.cases-blog-intro a:not(.btn) {
    color: var(--accent-light);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 600;
}

.cases-blog-intro a:not(.btn):hover {
    color: #fff;
}

.cases-blog-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 28px;
}

.cases-blog-feature {
    font-size: 0.78rem;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-muted);
    background: rgba(123, 48, 216, 0.06);
}

.cases-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 56px 24px;
}

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

.cases-section-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 12px;
    display: block;
}

.cases-section-title {
    font-size: clamp(1.4rem, 3.5vw, 2.1rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.cases-section-desc {
    font-size: 0.98rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.75;
}

.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 24px;
}

.quick-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 12px 18px;
    text-decoration: none;
    transition: var(--transition);
}

.quick-link:hover {
    border-color: rgba(123, 48, 216, 0.4);
    transform: translateY(-2px);
    background: rgba(123, 48, 216, 0.08);
}

.ql-icon { font-size: 1.1rem; }

.ql-text {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

.ql-arrow {
    font-size: 1rem;
    color: var(--accent-light);
    transition: transform 0.2s;
}

.quick-link:hover .ql-arrow {
    transform: translateX(4px);
}

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 32px;
    position: sticky;
    top: 57px;
    z-index: 50;
    background: rgba(10, 10, 15, 0.95);
    padding: 14px 16px;
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 0.82rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(123, 48, 216, 0.12);
    border-color: var(--accent);
    color: var(--accent-light);
}

.search-wrap {
    max-width: 480px;
    margin: 0 auto 28px;
    position: relative;
}

.search-input {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px 20px 14px 48px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.95rem;
    outline: none;
    transition: border-color var(--transition);
}

.search-input:focus {
    border-color: var(--accent);
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    opacity: 0.7;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 22px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: casesFadeUp 0.5s ease both;
}

.case-card:hover {
    border-color: rgba(123, 48, 216, 0.4);
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.case-card.hidden {
    display: none;
}

.card-num {
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    font-weight: 600;
}

.card-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.5;
    flex: 1;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-light);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    margin-top: auto;
    transition: gap 0.2s;
}

.card-link:hover {
    gap: 12px;
    color: #fff;
}

.results-count {
    text-align: center;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.results-count span {
    color: var(--accent-light);
    font-size: 1.15rem;
    font-weight: 800;
}

.cta-banner {
    background: linear-gradient(135deg, rgba(123, 48, 216, 0.1), rgba(39, 167, 231, 0.05));
    border: 1px solid rgba(123, 48, 216, 0.25);
    border-radius: var(--radius);
    padding: 48px 32px;
    text-align: center;
    margin-top: 48px;
}

.cta-banner h2 {
    font-size: clamp(1.3rem, 3vw, 1.9rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 16px;
    line-height: 1.25;
}

.cta-banner h2 em {
    font-style: normal;
    color: var(--accent-light);
}

.cta-banner p {
    font-size: 0.98rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 28px;
    line-height: 1.7;
}

.btn-group {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.approach-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 64px 24px;
}

.approach-inner {
    max-width: 900px;
    margin: 0 auto;
}

.approach-header {
    margin-bottom: 8px;
}

.approach-header .cases-section-title {
    text-align: left;
    max-width: 820px;
    margin-bottom: 16px;
}

.approach-lead {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 820px;
    margin-bottom: 8px;
}

.approach-grid {
    display: grid;
    gap: 20px;
    margin-top: 40px;
}

.approach-block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.approach-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent-light);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.approach-block h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.approach-block p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.75;
}

.approach-quote {
    margin-top: 40px;
    padding: 28px;
    border-left: 3px solid var(--accent);
    background: rgba(123, 48, 216, 0.06);
    border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
}

.approach-quote blockquote {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-style: italic;
    margin-bottom: 12px;
}

.approach-quote cite {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: normal;
}

.author-section {
    border-top: 1px solid var(--border-color);
    padding: 64px 24px;
}

.author-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    align-items: start;
}

.author-photo {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(123, 48, 216, 0.3);
    box-shadow: var(--shadow);
}

.author-name {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.author-role {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-light);
    margin-bottom: 20px;
    font-weight: 600;
}

.author-bio p {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.author-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.author-tag {
    font-size: 0.72rem;
    padding: 5px 12px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-muted);
    background: rgba(123, 48, 216, 0.05);
}

.cases-disclaimer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 32px 24px;
}

.cases-disclaimer-inner {
    max-width: 900px;
    margin: 0 auto;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.cases-disclaimer-inner strong {
    color: var(--text-secondary);
}

.cases-page .footer {
    margin-top: auto;
}

@keyframes casesFadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .cases-hero {
        padding: 32px 16px 40px;
    }

    .cases-hero-stats {
        gap: 20px;
    }

    .filter-bar {
        top: 52px;
    }

    .cases-grid {
        grid-template-columns: 1fr;
    }

    .author-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-photo {
        max-width: 220px;
        margin: 0 auto;
    }

    .author-tags {
        justify-content: center;
    }

    .cases-hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
}