/* ==========================================================================
   portfolio.css
   ========================================================================== */

/* HERO */
.pf-hero {
    padding-top: calc(72px + var(--space-12));
    background: var(--color-black);
}

.pf-hero__h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--color-white);
    margin-top: var(--space-4);
    margin-bottom: var(--space-5);
}

.pf-hero__lead {
    font-size: var(--text-lg);
    color: var(--color-gray-300);
    max-width: 60ch;
    line-height: var(--leading-normal);
}

/* FILTER */
.pf-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-10);
}

.pf-filter__btn {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 99px;
    color: var(--color-gray-300);
    font-size: var(--text-sm);
    font-family: inherit;
    font-weight: var(--weight-medium);
    cursor: pointer;
    transition: border-color var(--transition-fast),
                color var(--transition-fast),
                background var(--transition-fast);
}

.pf-filter__btn:hover {
    border-color: rgba(200, 168, 75, 0.4);
    color: var(--color-white);
}

.pf-filter__btn--active {
    background: rgba(200, 168, 75, 0.12);
    border-color: rgba(200, 168, 75, 0.5);
    color: var(--color-gold);
}

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

/* CARD */
.pf-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 0;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pf-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.pf-card__thumb {
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.pf-card__body {
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex: 1;
}

.pf-card__cat {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-gold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pf-card__title {
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    color: var(--color-white);
    line-height: var(--leading-snug);
}

.pf-card__thumb--img,
.pf-card__thumb--logo {
    aspect-ratio: 16 / 9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-900);
    border-bottom: 1px solid var(--color-border);
    overflow: hidden;
}

.pf-card__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pf-card__thumb-logo-img {
    max-width: 60%;
    max-height: 60%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.pf-card__client {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    font-weight: var(--weight-medium);
}

.pf-card__country {
    color: var(--color-gray-300);
    font-weight: 400;
}

.pf-card__excerpt {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    line-height: var(--leading-normal);
    flex: 1;
}

.pf-card__result {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-gray-300);
    background: rgba(200, 168, 75, 0.06);
    border: 1px solid rgba(200, 168, 75, 0.15);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    line-height: 1.4;
}

.pf-card__result svg {
    flex-shrink: 0;
    margin-top: 1px;
}

.pf-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.pf-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
}

.pf-card__link {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-gold);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.pf-card__link:hover {
    color: var(--color-gold-light);
}

.pf-empty {
    text-align: center;
    color: var(--color-gray-300);
    padding: var(--space-16) 0;
}

/* STATS */
.pf-stats__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.pf-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-6);
    background: var(--color-gray-900);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    gap: var(--space-3);
}

.pf-stat__number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1;
}

.pf-stat__label {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
    line-height: 1.4;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .pf-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pf-stats__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .pf-grid {
        grid-template-columns: 1fr;
    }
    .pf-stats__grid {
        grid-template-columns: 1fr;
    }
    .pf-filter {
        gap: var(--space-2);
    }
}

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