/* =============================================
   Portfolio Case Study Page Styles
   ============================================= */

/* ---- Hero Banner ---- */
.port-hero {
    position: relative;
    padding: 160px 0 72px;
    background: #0a0a10;
    color: #fff;
    overflow: hidden;
}
.port-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0a0a10 0%, #1a0a14 40%, #0e1018 100%);
    opacity: 1;
}
.port-hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 80%, rgba(255, 88, 22,0.08) 0%, transparent 60%);
}
.port-hero-inner {
    position: relative;
    z-index: 2;
}

/* Breadcrumb */
.port-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.35);
    margin-bottom: 24px;
}
.port-breadcrumb a {
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    transition: color 0.2s;
}
.port-breadcrumb a:hover { color: #fff; }
.port-breadcrumb span { color: rgba(255,255,255,0.2); }

.port-hero-tag {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #ff5816;
    margin-bottom: 16px;
}

.port-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 20px;
}

.port-hero-meta {
    display: flex;
    gap: 20px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.5);
}

/* ---- Page Layout ---- */
.port-page {
    padding: 72px 0 100px;
    background: var(--bg);
}
.port-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

/* ---- Main Content ---- */
.port-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.port-intro {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--text);
    line-height: 1.8;
    padding: 28px 0 28px 24px;
    border-left: 3px solid var(--burgundy);
}

/* Content blocks */
.port-block--card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow-xs);
}
.port-block--highlight {
    border-color: rgba(16,185,129,0.2);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(16,185,129,0.02) 100%);
}

.port-block-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.port-block-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.port-block--card p {
    font-size: 0.88rem;
    font-weight: 300;
    color: var(--text);
    line-height: 1.75;
}

/* Results grid */
.port-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.port-result-stat { text-align: center; }
.port-result-val {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: #10b981;
    letter-spacing: -0.02em;
}
.port-result-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Gallery */
.port-gallery { margin-top: 12px; }
.port-gallery-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.port-gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}
.port-gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
}
.port-gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}

/* ---- Sidebar ---- */
.port-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 120px;
}

.port-sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow-xs);
}
.port-sidebar-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}

/* Scope list */
.port-scope-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.port-scope-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--ink-soft);
}

/* Info table */
.port-info-table {
    width: 100%;
    border-collapse: collapse;
}
.port-info-table tr {
    border-bottom: 1px solid var(--border);
}
.port-info-table tr:last-child { border-bottom: none; }
.port-info-table td {
    padding: 10px 0;
    font-size: 0.78rem;
    vertical-align: top;
}
.port-info-table td:first-child {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    width: 100px;
    padding-right: 12px;
}
.port-info-table td:last-child {
    color: var(--ink);
}

/* CTA card */
.port-sidebar-cta {
    background: linear-gradient(135deg, #ff5816 0%, #c43a0e 100%);
    border-radius: var(--radius);
    padding: 28px;
    color: #fff;
}
.port-sidebar-cta h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.3;
}
.port-sidebar-cta p {
    font-size: 0.8rem;
    font-weight: 300;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* ---- Similar Projects ---- */
.port-similar {
    padding: 80px 0;
    background: var(--bg-warm);
    border-top: 1px solid var(--border);
}
.port-similar-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 40px;
}

.port-similar-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    max-width: 700px;
    margin: 0 auto;
}

.port-similar-card {
    display: block;
    text-decoration: none;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    transition: all 0.35s var(--ease);
}
.port-similar-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.port-similar-img {
    height: 180px;
    overflow: hidden;
    background: #0a0a10;
}
.port-similar-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 0.5s var(--ease);
}
.port-similar-card:hover .port-similar-img img {
    transform: scale(1.05);
}

.port-similar-info {
    padding: 16px 20px;
}
.port-similar-info h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .port-layout {
        grid-template-columns: 1fr;
    }
    .port-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .port-sidebar-cta {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .port-hero { padding: 130px 0 48px; }
    .port-hero-title { font-size: 1.8rem; }
    .port-sidebar {
        grid-template-columns: 1fr;
    }
    .port-sidebar-cta { grid-column: auto; }
    .port-similar-grid { grid-template-columns: 1fr; }
    .port-results-grid { grid-template-columns: 1fr; }
}