/* ══════════════════════════════════════════════════
   PORTFOLIO PAGE CSS
══════════════════════════════════════════════════ */

.portfolio-page-hero {
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    z-index: 10;
}

.portfolio-hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 1.05;
    margin-bottom: 1.25rem;
}

.portfolio-hero-sub {
    font-size: 1.1rem;
    color: var(--clr-text-muted);
    max-width: 560px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.port-filter {
    padding: 0.55rem 1.25rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: transparent;
    color: var(--clr-text-muted);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
}

.port-filter:hover {
    border-color: rgba(212, 175, 55, 0.3);
    color: var(--clr-text-main);
    background: rgba(212, 175, 55, 0.04);
}

.port-filter.active {
    background: rgba(212, 175, 55, 0.12);
    border-color: rgba(212, 175, 55, 0.35);
    color: var(--clr-accent-1);
}

/* Section titles */
.port-section-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

/* ── Featured Projects ──────────────────────────── */
.portfolio-featured-section {
    padding: 4rem 0 3rem;
    position: relative;
    z-index: 10;
}

.portfolio-featured-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.port-feat-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s;
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 0;
}

.port-feat-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
    border-color: rgba(212, 175, 55, 0.25);
}

.port-feat-img-wrap {
    position: relative;
    height: 200px;
    background: rgba(15, 23, 42, 0.8);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.port-feat-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: transform 0.6s var(--ease-out-expo);
    display: block;
}

.port-feat-placeholder {
    position: absolute;
    font-size: 4rem;
    opacity: 0.5;
    z-index: 0;
}

/* Hide placeholder when image loads successfully */
.port-feat-img-wrap:has(.port-feat-img[src]:not([src=''])) .port-feat-placeholder {
    display: none;
}

.port-feat-card:hover .port-feat-img {
    transform: scale(1.05);
}

.port-feat-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11, 15, 25, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 2;
}

.port-feat-card:hover .port-feat-overlay {
    opacity: 1;
}

.port-feat-visit {
    font-size: 1rem;
    font-weight: 700;
    color: #000;
    background: rgba(212, 175, 55, 0.95);
    padding: 0.6rem 1.5rem;
    border-radius: 999px;
}

.port-feat-info {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.port-feat-title {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin: 0;
}

.port-feat-desc {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    line-height: 1.5;
    flex: 1;
}

.port-feat-domain {
    font-size: 0.78rem;
    color: var(--clr-accent-1);
    font-weight: 500;
    font-family: monospace;
}

/* ── All Projects Grid ──────────────────────────── */
.portfolio-all-section {
    padding: 3rem 0 4rem;
    position: relative;
    z-index: 10;
}

.portfolio-all-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.port-item {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border-radius: var(--radius-md);
    overflow: hidden;
    padding: 0;
    transition: transform 0.3s var(--ease-out-expo);
}

.port-item:hover {
    transform: translateY(-3px);
}

.port-item-img-wrap {
    height: 140px;
    background: rgba(15, 23, 42, 0.7);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.port-item-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
    transition: transform 0.4s;
}

.port-item:hover .port-item-img-wrap img {
    transform: scale(1.04);
}

.port-placeholder {
    font-size: 2.5rem;
    opacity: 0.45;
    position: absolute;
}

.port-item-img-wrap:has(img[src]) .port-placeholder {
    display: none;
}

.port-item-info {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.port-item-info h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.01em;
}

/* Active nav link */
.nav-link.active {
    color: var(--clr-text-main);
    font-weight: 600;
}

/* ── Card entrance animation (JS-controlled) ──── */
.js-ready .port-feat-card,
.js-ready .port-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.55s ease, transform 0.55s ease,
        box-shadow 0.4s, border-color 0.3s;
}

.js-ready .port-feat-card.revealed,
.js-ready .port-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1280px) {
    .portfolio-featured-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .portfolio-featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-all-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .portfolio-featured-grid {
        grid-template-columns: 1fr 1fr;
    }

    .portfolio-all-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .portfolio-featured-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-all-grid {
        grid-template-columns: 1fr;
    }
}