/* ==========================================================================
   PORTFOLIO — FILTER TABS (afgeronde pil-stijl, donker op creme)
   ========================================================================== */
.portfolio-filters {
    display: flex; justify-content: center; gap: 12px;
    padding: 56px 48px 0;
    background: var(--s);
}
.filter-btn {
    font-family: var(--t); font-size: 11px; font-weight: 600;
    letter-spacing: 2.5px; text-transform: uppercase;
    padding: 13px 30px;
    background: transparent;
    border: 1.5px solid rgba(18, 25, 9, 0.22);
    color: var(--p); cursor: pointer;
    border-radius: 999px;
    transition: all 0.4s;
}
.filter-btn:hover {
    border-color: var(--cta);
    color: var(--cta);
}
.filter-btn.active {
    background: var(--cta); color: var(--s);
    border-color: var(--cta);
}

/* ==========================================================================
   PORTFOLIO — 2-kolom verticale editorial grid
   Renders zijn portret-formaat, projectnaam + pijl centraal.
   ========================================================================== */
.portfolio-cards {
    padding: clamp(40px, 5vh, 64px) clamp(16px, 2.5vw, 40px) clamp(80px, 10vh, 120px);
    background: var(--s);
}
.cards-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(14px, 1.6vw, 24px);
    row-gap: clamp(18px, 2vw, 28px);
    max-width: 1760px;
    margin: 0 auto;
}

/* --- Project Card --- */
.project-card {
    display: block;
    text-decoration: none;
    color: var(--s);
    position: relative;
    width: 100%;
}

.card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3 / 4;
    background: rgba(18, 25, 9, 0.08);
}
.card-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 1.4s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform;
}
.project-card:hover .card-image img { transform: scale(1.04); }

/* Donkere veil boven de img voor leesbaarheid */
.card-image::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(18, 25, 9, 0.22) 0%, rgba(18, 25, 9, 0.32) 50%, rgba(18, 25, 9, 0.50) 100%);
    z-index: 1;
    pointer-events: none;
    transition: background 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover .card-image::after {
    background: linear-gradient(180deg, rgba(18, 25, 9, 0.32) 0%, rgba(18, 25, 9, 0.44) 50%, rgba(18, 25, 9, 0.60) 100%);
}

/* --- Titel + pijl centraal op de render --- */
.card-overlay {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    pointer-events: none;
    width: 100%;
}
.card-label { display: none; }
.card-location { display: none; }
.card-title {
    font-family: var(--t);
    font-size: clamp(14px, 1.25vw, 20px);
    font-weight: 600;
    letter-spacing: clamp(2.5px, 0.3vw, 4px);
    text-transform: uppercase;
    color: var(--s);
    margin: 0;
    line-height: 1.2;
    white-space: nowrap;
    text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
    transition: letter-spacing 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.project-card:hover .card-title {
    letter-spacing: clamp(3.5px, 0.4vw, 5.5px);
}

/* --- Ronde pijl-knop: centraal onder titel, altijd zichtbaar, hover = oranje --- */
.card-arrow {
    position: static;
    width: 52px; height: 52px;
    background: rgba(18, 25, 9, 0.55);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    border: 1.5px solid rgba(254, 242, 226, 0.55);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.4s ease, border-color 0.4s ease, transform 0.4s ease;
}
.project-card:hover .card-arrow {
    background: var(--cta);
    border-color: var(--cta);
    transform: translateY(-2px);
}
.card-arrow svg {
    width: 18px; height: 18px;
    stroke: var(--s); fill: none; stroke-width: 2;
    transition: transform 0.3s ease;
}
.project-card:hover .card-arrow svg { transform: translateX(3px); }

.card-info { display: none; }

/* ==========================================================================
   CTA SECTION
   ========================================================================== */
.cta-section { margin-top: 0; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .portfolio-filters { padding: 40px 20px 0; gap: 8px; }
    .filter-btn { font-size: 9px; padding: 10px 18px; letter-spacing: 1.5px; }

    .portfolio-cards { padding: 32px 12px 64px; }
    .cards-grid {
        grid-template-columns: 1fr 1fr;
        column-gap: 10px;
        row-gap: 12px;
    }
    .card-image { aspect-ratio: 3 / 4; }
    .card-overlay { gap: 16px; }
    .card-title { font-size: 11px; letter-spacing: 1.5px; }
    .card-arrow { width: 38px; height: 38px; }
    .card-arrow svg { width: 14px; height: 14px; }
}