/**
 * pages/courses-listing.css — Courses listing page elevation
 * Phase 6 Page-by-Page Polish
 *
 * Adds hero mesh, polishes course card hover.
 */

body.courses-page main>section:first-of-type,
body.courses-page .courses-hero,
body.courses-page .course-hero {
    position: relative;
    isolation: isolate;
}

body.courses-page main>section:first-of-type::before,
body.courses-page .courses-hero::before,
body.courses-page .course-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image:
        radial-gradient(ellipse 80% 50% at 25% 30%, rgba(168, 85, 247, 0.13) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 78% 25%, rgba(78, 205, 196, 0.09) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 85%, rgba(245, 158, 11, 0.06) 0%, transparent 60%);
}

body.courses-page main>section:first-of-type>*,
body.courses-page .courses-hero>*,
body.courses-page .course-hero>* {
    position: relative;
    z-index: 1;
}

/* Course filter chips */
body.courses-page .filter-chip,
body.courses-page .category-chip {
    transition:
        transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

body.courses-page .filter-chip:hover,
body.courses-page .category-chip:hover {
    transform: translateY(-2px) scale(1.02);
}

/* H1 polish */
body.courses-page h1 {
    letter-spacing: -0.04em;
    text-wrap: balance;
}