/* ============================================================
   Portfolio / Projects Section
   ============================================================ */

.portfolio-section {
    padding-block: var(--section-pad-y);
    background: var(--color-bg);
    overflow: hidden;
}

/* ── Header row ───────────────────────────────────────────── */
.portfolio-section__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.portfolio-section__header-content { flex: 1; }
.portfolio-section__header-content .section-heading { margin-bottom: var(--space-3); }
.portfolio-section__header-content .section-subtitle { margin-inline: 0; }

.portfolio-section__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-light);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.portfolio-section__cta svg { transition: transform var(--transition); }
.portfolio-section__cta:hover {
    background: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-blue);
}
.portfolio-section__cta:hover svg { transform: translateX(4px); }

/* ── Filter tabs ──────────────────────────────────────────── */
.portfolio-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.portfolio-filter__btn {
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    border: 1.5px solid var(--color-border);
    background: transparent;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition);
}
.portfolio-filter__btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.portfolio-filter__btn.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-blue);
}

/* ── Grid ─────────────────────────────────────────────────── */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* ── Card ─────────────────────────────────────────────────── */
.portfolio-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-white);
    border: 1.5px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        opacity 0.35s ease,
        scale 0.35s ease;
}

.portfolio-card.is-hidden {
    opacity: 0;
    pointer-events: none;
    scale: 0.95;
    position: absolute;
    visibility: hidden;
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.portfolio-card__link { text-decoration: none; display: block; color: inherit; }

/* Media */
.portfolio-card__media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.portfolio-card__img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}
.portfolio-card:hover .portfolio-card__img { transform: scale(1.06); }

/* Placeholder */
.portfolio-card__placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--card-color, #0E5FE8) 0%, color-mix(in srgb, var(--card-color, #0E5FE8) 60%, #000) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.3);
}

/* Category badge */
.portfolio-card__cat {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.92);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-dark);
    letter-spacing: 0.04em;
    backdrop-filter: blur(6px);
}

/* Hover overlay */
.portfolio-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14,95,232,0.9), rgba(25,167,255,0.85));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    opacity: 0;
    transition: opacity var(--transition-slow);
}
.portfolio-card:hover .portfolio-card__overlay { opacity: 1; }

.portfolio-card__overlay-icon {
    width: 52px; height: 52px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255,255,255,0.6);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    transform: translateY(8px);
    transition: transform var(--transition-slow);
}
.portfolio-card:hover .portfolio-card__overlay-icon { transform: translateY(0); }

.portfolio-card__overlay-label {
    color: #fff;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* Card body */
.portfolio-card__body {
    padding: var(--space-5) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.portfolio-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.3;
}

.portfolio-card__result {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    white-space: nowrap;
    flex-shrink: 0;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-section__header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-card__body { flex-direction: column; align-items: flex-start; }
}