/* ══════════════════════════════════════════════════════
   MODULE 5 — PORTFOLIO / WORK SHOWCASE
══════════════════════════════════════════════════════ */

.portfolio-section {
    padding: 0 7px 7px;
    background: #0f0f0f;
    position: relative;
    z-index: 2;
}

.portfolio-container {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--sp-xl);
    box-sizing: border-box;
    width: 100%;
}

/* ── Title ── */
.portfolio-title-wrapper {
    position: relative;
    width: 100%;
    margin-bottom: var(--sp-md);
    z-index: 10;
}

.portfolio-massive-title {
    font-family: var(--font-sans), 'Inter', sans-serif;
    font-size: clamp(3rem, 7vw, 7.5rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.04em;
    color: #f0f0f0;
    text-transform: uppercase;
    margin-bottom: 40px;
    padding: 0 40px;
}

.portfolio-title-line {
    overflow: hidden;
    padding-bottom: 0.1em;
}

.portfolio-title-line:nth-child(2) {
    margin-left: 15vw;
    color: var(--clr-ivory);
}

/* ── Filter System ── */
.portfolio-filter-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: var(--sp-lg);
}

.filter-btn {
    background: #f0f0f0;
    color: #0f0f0f;
    border-radius: 12px;
    padding: 12px 24px;
    font-family: var(--font-sans), 'Inter', sans-serif;
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: background 0.3s, color 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background: #0f0f0f;
    color: #f0f0f0;
}

/* ── Grid System (Asymmetrical Masonry) ── */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--sp-lg);
    width: 100%;
}

/* Base Card */
.portfolio-card {
    background: #f0f0f0;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-12px) scale(1.01);
    box-shadow: var(--shadow-card-hover);
}

.pf-visual {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
    border-bottom: var(--border-thick);
}

.pf-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.0); /* No base zoom — prevents mobile bleed */
    transition: transform 1.8s var(--ease-luxury), filter 1s ease;
    filter: saturate(0.85) brightness(0.95);
}

.portfolio-card:hover .pf-img {
    transform: scale(1.04); /* Gentle zoom on desktop hover only */
    filter: saturate(1.15) brightness(1.05);
}

/* Cinematic hover overlay */
.pf-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(26,26,26,0.7) 100%);
    opacity: 0;
    transition: opacity 0.8s var(--ease-luxury);
    z-index: 2;
}

.portfolio-card:hover .pf-visual::after { opacity: 1; }

.pf-overlay-label {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    z-index: 3;
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--clr-ivory);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.6s var(--ease-luxury), transform 0.6s var(--ease-luxury);
    pointer-events: none;
}

.portfolio-card:hover .pf-overlay-label {
    opacity: 1;
    transform: translateY(0);
}

.pf-info {
    padding: var(--sp-md);
    background-color: var(--clr-ivory);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.pf-text {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pf-title {
    font-family: var(--font-sans), 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    color: #0f0f0f;
    line-height: 1;
}

.pf-cat {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--clr-black);
    opacity: 0.7;
}

.pf-action {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: var(--border-thick);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-black);
    transition: all var(--tr-fast);
}

.portfolio-card:hover .pf-action {
    background-color: var(--clr-black);
    color: var(--clr-ivory);
    transform: rotate(-45deg);
}

/* Floating Elements */
.pf-overlay-tag {
    position: absolute;
    top: var(--sp-sm);
    right: var(--sp-sm);
    background: var(--clr-ivory);
    border: var(--border-main);
    border-radius: var(--radius-pill);
    padding: 0.4rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--clr-black);
    z-index: 2;
    box-shadow: 2px 2px 0 var(--clr-black);
}

/* Specific Asymmetrical Layouts */
.pf-card-large {
    grid-column: span 8;
}

.pf-card-large .pf-visual {
    min-height: 600px;
}

.pf-card-tall {
    grid-column: span 4;
    grid-row: span 2;
}

.pf-card-tall .pf-visual {
    height: 100%;
    min-height: 800px;
}

.pf-card-medium {
    grid-column: span 6;
}

.pf-card-small {
    grid-column: span 4;
}

/* Offset for floating effect */
.pf-offset-down {
    margin-top: 5vw;
}

.pf-offset-up {
    margin-top: -5vw;
}

/* Responsive Grid */
@media (max-width: 1024px) {
    .pf-card-large, .pf-card-medium {
        grid-column: span 12;
    }
    .pf-card-tall {
        grid-column: span 6;
        grid-row: span 1;
    }
    .pf-card-tall .pf-visual {
        min-height: 400px;
    }
    .pf-card-small {
        grid-column: span 6;
    }
    .pf-offset-down, .pf-offset-up {
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    /* Kill all overflow sources */
    .portfolio-section,
    .portfolio-container {
        max-width: 100%;
        overflow-x: hidden;
    }

    .portfolio-massive-title {
        font-size: clamp(10vw, 13vw, 3.5rem);
        padding: 0 clamp(16px, 4vw, 24px); /* Was 0 40px — caused overflow */
    }

    .portfolio-title-line:nth-child(2) {
        margin-left: 0; /* Kill the 15vw offset — caused horizontal overflow */
    }

    .portfolio-grid {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
    }

    /* Kill hardcoded heights that prevented proper mobile scaling */
    .pf-visual {
        min-height: 260px;
        aspect-ratio: 4 / 3;
        height: auto;
    }

    .pf-card-large .pf-visual,
    .pf-card-tall .pf-visual {
        min-height: 280px;
        height: auto;
    }

    /* No transform on mobile */
    .pf-offset-down,
    .pf-offset-up {
        margin-top: 0 !important;
    }

    .filter-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.82rem;
    }

    /* Touch: always show overlay */
    .pf-visual::after { opacity: 1; }
    .pf-overlay-label {
        opacity: 1;
        transform: translateY(0);
    }

    .pf-title { font-size: 1.5rem; }
    .pf-cat   { font-size: 0.8rem; }
    .pf-info  { padding: 1rem; }

    .portfolio-filter-wrapper {
        gap: 0.6rem;
    }
}

@media (max-width: 420px) {
    .portfolio-massive-title {
        font-size: 11.5vw;
        padding: 0 14px;
    }
}