/* =========================================
   PORTFOLIO PAGE STYLES
   Scoped under .portfolio-hero, .category-nav,
   .category-section
   Uses global .card + .card-grid from work.css
========================================= */

/* Hero / Intro */
.portfolio-hero {
    padding: 18px 0 6px;
    border-bottom: 1px solid #eee;
}

.portfolio-hero .page-title {
    margin: 0;
    font-size: clamp(1.4rem, 3.2vw, 2rem);
    letter-spacing: 0.14em;
    font-weight: 600;
    color: #333;
    text-transform: uppercase;
    line-height: 1.15;
}

.portfolio-hero .page-subtitle {
    margin: 6px 0 10px;
    color: #666;
    font-size: 0.98rem;
}

/* Category Navigation */
.category-nav {
    margin-top: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
}

.category-nav a {
    text-decoration: none;
    color: #333;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-size: 0.76rem;
    opacity: 0.85;
    text-underline-offset: 4px;
    transition: opacity 180ms ease, text-decoration-color 180ms ease;
}

.category-nav a:hover,
.category-nav a.active {
    opacity: 1;
    text-decoration: underline;
    text-decoration-color: var(--brand-red, #de0000);
}

/* Category Sections */
.category-section {
    padding: 22px 0 8px;
    scroll-margin-top: 96px;
    border-top: 1px solid #eee;
    margin-top: 22px;
}

.category-section:first-of-type {
    margin-top: 12px;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 14px;
}

.category-header h2 {
    margin: 0;
    font-size: 1.1rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #333;
}

/* Back to top */
.to-top {
    text-decoration: none;
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #666;
    opacity: 0.75;
    text-underline-offset: 4px;
}

.to-top:hover {
    opacity: 1;
    text-decoration: underline;
}

.category-section .card-caption h3 {
    font-size: 0.92rem;
    letter-spacing: 0.16em;
    font-weight: 600;
    text-transform: uppercase;
    color: #bbb;
}

/* Responsive */
@media (max-width: 1200px) {
    .category-section .card {
        grid-column: span 6;
        /* 2-up */
    }
}

@media (max-width: 720px) {
    .category-section .card {
        grid-column: span 12;
        /* 1-up */
    }

    .category-section .card-media {
        aspect-ratio: 4 / 3;
    }
}