/* ================= PORTFOLIO DETAIL PAGE ================= */

.portfolio-detail-page {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.portfolio-detail-hero-card,
.portfolio-detail-story-card,
.portfolio-detail-gallery-card {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

/* navbar */
.portfolio-detail-hero-card .hero-nav-tab {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 20;
}

.portfolio-detail-hero-card .mobile-menu-tab {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 21;
}

.portfolio-detail-hero-card .mobile-nav-menu {
    position: absolute;
    top: 58px;
    right: 0;
    z-index: 22;
}

/* hero */
.portfolio-detail-hero-inner {
    position: relative;
    padding: 84px 40px 34px;
}

.portfolio-detail-hero-tab {
    top: auto;
    left: 0;
    bottom: 0;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 0;
}

.portfolio-detail-hero-tab::after {
    content: '';
    position: absolute;
    right: -20px;
    bottom: 0;
    top: auto;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle at 100% 0%, transparent 20px, var(--bg-color) 20px);
}

.portfolio-detail-hero-tab::before {
    content: '';
    position: absolute;
    left: 0;
    top: -20px;
    bottom: auto;
    width: 20px;
    height: 20px;
    background: radial-gradient(circle at 100% 0%, transparent 20px, var(--bg-color) 20px);
}

.portfolio-detail-copy {
    max-width: 860px;
}

.portfolio-detail-kicker {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.portfolio-detail-copy h1 {
    font-size: 54px;
    line-height: 1.02;
    font-weight: 500;
    margin-bottom: 14px;
}

.portfolio-detail-lead {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 760px;
}

/* gallery */
.portfolio-detail-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.portfolio-detail-gallery-card img {
    display: block;
    width: 100%;
    height: 360px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.portfolio-detail-gallery-card:hover img {
    transform: scale(1.03);
}

/* story */
.portfolio-detail-story-body {
    padding: 84px 24px 24px;
}

.portfolio-detail-richtext p {
    font-size: 15px;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

/* bottom nav */
.portfolio-detail-bottom-nav {
    padding: 4px 2px 0;
}

.portfolio-detail-back-link {
    position: relative;
    font-size: 14px;
    color: var(--text-primary);
}

.portfolio-detail-back-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 100%;
    height: 1px;
    background: currentColor;
    opacity: 0.4;
    transition: var(--transition);
}

.portfolio-detail-back-link:hover::after {
    opacity: 1;
}

/* tablet */
@media (max-width: 1024px) {
    .portfolio-detail-gallery-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* mobile */
@media (max-width: 768px) {
    .portfolio-detail-hero-inner {
        padding: 78px 20px 28px;
    }

    .portfolio-detail-copy h1 {
        font-size: 34px;
    }

    .portfolio-detail-lead,
    .portfolio-detail-richtext p {
        font-size: 14px;
    }

    .portfolio-detail-story-body {
        padding: 78px 20px 20px;
    }

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

    .portfolio-detail-gallery-card img {
        height: 320px;
    }

    .portfolio-detail-hero-card .mobile-nav-menu {
        top: 58px;
        right: 0;
    }
}

/* small mobile */
@media (max-width: 480px) {
    .portfolio-detail-hero-inner {
        padding: 72px 18px 24px;
    }

    .portfolio-detail-copy h1 {
        font-size: 28px;
    }

    .portfolio-detail-story-body {
        padding-left: 18px;
        padding-right: 18px;
    }
}