/* =========================================================
   showcase.css — نمونه‌کارها (Case Studies)
   شهبازیون | SuFramework v3.0
   ========================================================= */

/* ─────────────────────────────────────────────────────────
   ۱. Filter Chips (فیلتر صنف)
   ───────────────────────────────────────────────────────── */
.showcase-filter {
    padding: 1.75rem 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    position: sticky;
    top: 64px;
    z-index: 50;
}

body.dark-mode .showcase-filter {
    background: #0f172a;
}

.showcase-filter .filter-chips {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    justify-content: center;
    padding-bottom: 0.25rem;
}

.showcase-filter .filter-chips::-webkit-scrollbar {
    display: none;
}

.showcase-filter .filter-chip {
    flex-shrink: 0;
    padding: 0.55rem 1.15rem;
    background: var(--c-bg-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--c-text-soft);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.showcase-filter .filter-chip:hover {
    border-color: var(--c-primary-light);
    color: var(--c-primary);
    background: var(--c-primary-soft);
}

.showcase-filter .filter-chip.is-active {
    background: var(--c-primary);
    border-color: var(--c-primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(109, 40, 217, 0.25);
}

/* ─────────────────────────────────────────────────────────
   ۲. Showcase List & Grid
   ───────────────────────────────────────────────────────── */
.showcase-list {
    padding: 3rem 0 4rem;
    background: var(--c-bg-alt);
    min-height: 60vh;
}

body.dark-mode .showcase-list {
    background: #0a1020;
}

.cases-grid {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* ─────────────────────────────────────────────────────────
   ۳. Case Card (کیس استادی کامل)
   ───────────────────────────────────────────────────────── */
.case-card {
    position: relative;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 2.25rem 2rem;
    transition: var(--transition);
    scroll-margin-top: 100px;
}

.case-card:hover {
    border-color: var(--c-primary-light);
    box-shadow: 0 16px 40px rgba(109, 40, 217, 0.1);
}

/* ─────────────────────────────────────────────────────────
   ۴. Case Head
   ───────────────────────────────────────────────────────── */
.case-head {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--c-border-soft);
}

.case-emoji {
    width: 68px;
    height: 68px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    line-height: 1;
    flex-shrink: 0;
    box-shadow: 0 8px 24px rgba(109, 40, 217, 0.2);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
}

.case-head-info {
    flex: 1;
    min-width: 0;
}

.case-industry {
    display: inline-block;
    padding: 0.22rem 0.75rem;
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.case-title {
    font-size: clamp(1.15rem, 2.5vw, 1.5rem);
    font-weight: 900;
    color: var(--c-text);
    margin: 0;
    line-height: 1.35;
    letter-spacing: -0.02em;
}

/* ─────────────────────────────────────────────────────────
   ۵. Case Summary
   ───────────────────────────────────────────────────────── */
.case-summary {
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-primary);
    line-height: 1.85;
    margin: 0 0 1.75rem;
    padding: 0.9rem 1.15rem;
    background: var(--c-primary-soft);
    border-radius: var(--radius);
    border-right: 4px solid var(--c-primary);
}

body.dark-mode .case-summary {
    background: rgba(109, 40, 217, 0.12);
    color: #c4b5fd;
}

/* ─────────────────────────────────────────────────────────
   ۶. Case Story
   ───────────────────────────────────────────────────────── */
.case-story {
    margin-bottom: 1.75rem;
}

.case-story-heading {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--c-text);
    margin: 0 0 0.65rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: -0.01em;
}

.case-story p {
    font-size: 0.95rem;
    color: var(--c-text-soft);
    line-height: 1.9;
    margin: 0;
    text-align: justify;
}

/* ─────────────────────────────────────────────────────────
   ۷. Case Results
   ───────────────────────────────────────────────────────── */
.case-results {
    margin-bottom: 1.75rem;
    padding: 1.35rem 1.5rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, rgba(16, 185, 129, 0.02) 100%);
    border-radius: var(--radius);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

body.dark-mode .case-results {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.25);
}

.case-results-heading {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--c-text);
    margin: 0 0 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    letter-spacing: -0.01em;
}

.case-results-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.65rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.case-results-list li {
    position: relative;
    padding-right: 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #065f46;
    line-height: 1.65;
}

body.dark-mode .case-results-list li {
    color: #6ee7b7;
}

.case-results-list li::before {
    content: '↑';
    position: absolute;
    right: 0;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--c-success);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 900;
    line-height: 1;
}

/* ─────────────────────────────────────────────────────────
   ۸. Case Links
   ───────────────────────────────────────────────────────── */
.case-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.95rem;
    background: var(--c-bg-alt);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--c-text-soft);
    text-decoration: none;
    transition: var(--transition);
}

.case-link:hover {
    border-color: var(--c-primary);
    background: var(--c-primary-soft);
    color: var(--c-primary);
    transform: translateY(-2px);
}

/* ─────────────────────────────────────────────────────────
   ۹. Case Footer (CTA)
   ───────────────────────────────────────────────────────── */
.case-foot {
    display: flex;
    gap: 0.65rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--c-border-soft);
    flex-wrap: wrap;
}

.case-foot .btn {
    font-size: 0.88rem;
}

/* ─────────────────────────────────────────────────────────
   ۱۰. Empty State
   ───────────────────────────────────────────────────────── */
.showcase-empty {
    text-align: center;
    padding: 4rem 1.5rem;
    background: var(--c-bg);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--c-border);
}

.showcase-empty-icon {
    font-size: 3.5rem;
    opacity: 0.5;
    margin-bottom: 1rem;
    display: block;
}

.showcase-empty h2 {
    font-size: 1.25rem;
    color: var(--c-text);
    margin: 0 0 0.5rem;
}

.showcase-empty p {
    font-size: 0.92rem;
    color: var(--c-text-muted);
    margin: 0 0 1.5rem;
    line-height: 1.8;
}

/* ─────────────────────────────────────────────────────────
   ۱۱. Channel CTA (پایین Showcase)
   ───────────────────────────────────────────────────────── */
.showcase-channel {
    padding: 2.5rem 0;
    background: var(--c-bg);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

body.dark-mode .showcase-channel {
    background: #0f172a;
}

.showcase-channel-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.showcase-channel-inner h2 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--c-text);
    margin: 0 0 0.35rem;
    letter-spacing: -0.01em;
}

.showcase-channel-inner p {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    margin: 0;
    line-height: 1.7;
}

/* ─────────────────────────────────────────────────────────
   ۱۲. Responsive
   ───────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .showcase-filter {
        position: static;
        padding: 1.25rem 0;
    }

    .showcase-filter .filter-chips {
        justify-content: flex-start;
    }

    .showcase-list {
        padding: 2rem 0 3rem;
    }

    .case-card {
        padding: 1.75rem 1.4rem;
    }

    .case-head {
        gap: 1rem;
        padding-bottom: 1.25rem;
    }

    .case-emoji {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }

    .case-results-list {
        grid-template-columns: 1fr;
    }

    .showcase-channel-inner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .case-card {
        padding: 1.5rem 1.15rem;
        border-radius: var(--radius);
    }

    .case-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .case-emoji {
        width: 52px;
        height: 52px;
        font-size: 1.6rem;
    }

    .case-summary {
        padding: 0.85rem 1rem;
        font-size: 0.92rem;
    }

    .case-results {
        padding: 1.15rem 1.15rem;
    }

    .case-foot {
        flex-direction: column;
    }

    .case-foot .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .case-card:hover {
        transform: none;
    }

    .case-link:hover {
        transform: none;
    }
}