/* ============================================================
   Public site — shared component styles
   Semantic classes for the reusable public-facing components
   (content card, hero card, content section, sidebar widget).
   Replaces the inline Tailwind utility chains in the markup.
   Uses the --tg-* design tokens from techgrid.css.
   Linked globally in ApplicationRoots/App.razor.
   ============================================================ */

/* ---------- ContentCard ---------- */
.content-card {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    cursor: pointer;
    color: inherit;
    text-decoration: none;
}

.content-card__media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border-radius: var(--tg-radius-xl);
    background-color: var(--tg-bg-elev);
}

.content-card__image {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.content-card:hover .content-card__image {
    transform: scale(1.05);
}

.content-card__badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.25rem 0.5rem;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #fff;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--tg-radius-lg);
    backdrop-filter: blur(12px);
}

.content-card__title {
    margin: 0 0 0.7rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: #fff;
    transition: color 0.2s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .content-card__title {
        font-size: 1.375rem;
        line-height: 1.28;
    }
}

.content-card:hover .content-card__title {
    color: var(--tg-primary);
}

.content-card__desc {
    margin: 0 0 0.6rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--tg-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.content-card__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--tg-text-muted);
}

.content-card__meta .material-symbols-outlined {
    font-size: 14px;
}

.content-card__meta .dot {
    margin: 0 0.25rem;
}

/* ---------- ContentCard — compact (list row) variant ---------- */
.content-card--compact {
    flex-direction: row;
    align-items: stretch;
    gap: 1rem;
    padding: 0.75rem;
    background-color: var(--tg-bg-elev);
    border: 1px solid var(--tg-bg-elev-2);
    border-radius: var(--tg-radius-xl);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.content-card--compact:hover {
    background-color: var(--tg-bg-elev-2);
    border-color: rgba(255, 255, 255, 0.12);
}

.content-card--compact .content-card__media {
    flex: 0 0 120px;
    aspect-ratio: 1 / 1;
    border-radius: var(--tg-radius-lg);
}

.content-card--compact .content-card__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    min-width: 0;
    flex: 1 1 auto;
}

.content-card--compact .content-card__cat {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tg-primary);
}

.content-card--compact .content-card__title {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3125rem;
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: -0.015em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.content-card--compact .content-card__desc {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--tg-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.content-card--compact .content-card__meta {
    flex-wrap: wrap;
    row-gap: 0.25rem;
}

@media (max-width: 640px) {
    .content-card--compact {
        gap: 0.75rem;
        padding: 0.5rem;
    }

    .content-card--compact .content-card__media {
        flex-basis: 110px;
        aspect-ratio: 1 / 1;
    }

    .content-card--compact .content-card__title {
        font-size: 1.125rem;
    }

    .content-card--compact .content-card__desc {
        -webkit-line-clamp: 1;
    }
}

/* ---------- ContentHeroCard ---------- */
.hero-card {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: var(--tg-radius-2xl);
    background-color: var(--tg-bg-elev);
    cursor: pointer;
    text-decoration: none;
}

.hero-card--lg {
    min-height: 420px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

.hero-card--md {
    min-height: 240px;
}

.hero-card--sm {
    min-height: 180px;
}

.hero-card__image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    /* Reset the implicit aspect-ratio that <img width/height> attributes set,
       otherwise a portrait upload's 9:16 ratio fights the absolute-positioned
       fill and the card stretches vertically. The card's own min-height
       governs the slot; object-fit: cover crops the image into it. */
    aspect-ratio: auto;
    object-fit: cover;
    object-position: center;
    transition: transform 0.7s ease;
}

.hero-card:hover .hero-card__image {
    transform: scale(1.05);
}

.hero-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.5) 50%, transparent);
}

.hero-card__body {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem;
}

.hero-card__cat {
    display: inline-block;
    margin-bottom: 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #e2e8f0;
}

.hero-card__cat--lg {
    margin-bottom: 0.75rem;
    padding: 0.25rem 0.75rem;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--tg-radius-full, 9999px);
    backdrop-filter: blur(4px);
}

.hero-card__title {
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.25;
}

.hero-card__title--lg {
    margin-bottom: 0.75rem;
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.hero-card__title--md {
    font-size: 1.25rem;
    font-weight: 700;
    transition: color 0.2s ease;
}

.hero-card__title--sm {
    font-size: 1rem;
    font-weight: 700;
    transition: color 0.2s ease;
}

.hero-card:hover .hero-card__title--md,
.hero-card:hover .hero-card__title--sm {
    color: var(--tg-primary);
}

.hero-card__desc {
    margin-bottom: 1.25rem;
    max-width: 42rem;
    font-size: 1rem;
    font-weight: 300;
    color: #d1d5db;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hero-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--tg-bg-elev);
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--tg-radius-lg);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
}

.hero-card:hover .hero-card__cta {
    gap: 0.75rem;
    background: #fff;
}

.hero-card__cta .material-symbols-outlined {
    font-size: 18px;
}

@media (min-width: 768px) {
    .hero-card--lg {
        min-height: 500px;
    }

    .hero-card--lg .hero-card__body {
        padding: 2.5rem;
    }

    .hero-card__title--lg {
        font-size: 3rem;
        line-height: 1;
    }

    .hero-card__desc {
        font-size: 1.125rem;
    }
}

/* ---------- ContentSection ---------- */
.content-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--tg-bg-elev-2);
}

.content-section .tg-section-title .material-symbols-outlined {
    color: var(--tg-primary);
    font-size: 24px;
}

.content-section__viewall {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--tg-radius-full, 9999px);
    transition: all 0.2s ease;
}

.content-section__viewall:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.content-section__viewall .material-symbols-outlined {
    font-size: 16px;
}

.content-section__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .content-section__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.content-section__grid--compact {
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 768px) {
    .content-section__grid--compact {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.content-section__skeleton {
    aspect-ratio: 16 / 9;
    border-radius: var(--tg-radius-xl);
    background-color: var(--tg-bg-elev);
    animation: tg-pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.content-section__skeleton--compact {
    aspect-ratio: auto;
    height: 150px;
}

/* ---------- SidebarWidget ---------- */
.sidebar-widget {
    padding: 1.5rem;
    background-color: var(--tg-bg-elev);
    border: 1px solid var(--tg-bg-elev-2);
    border-radius: var(--tg-radius-2xl);
}

.sidebar-widget__title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1.25rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
}

.sidebar-widget__title .material-symbols-outlined {
    color: var(--tg-primary);
    font-size: 20px;
}

/* ---------- Page container ---------- */
.public-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

@media (min-width: 768px) {
    .public-container {
        padding: 2rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .public-container {
        padding: 2rem 2.5rem;
    }
}

/* ---------- PageHero ---------- */
.page-hero {
    position: relative;
    overflow: hidden;
    margin-bottom: 2.5rem;
    background-color: var(--tg-bg-elev);
    border: 1px solid var(--tg-bg-elev-2);
    border-radius: var(--tg-radius-2xl);
}

.page-hero__glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, rgba(37, 106, 244, 0.2), transparent 50%, rgba(139, 92, 246, 0.2));
}

.page-hero__inner {
    position: relative;
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.page-hero__badge {
    display: inline-block;
    margin-bottom: 1rem;
    padding: 0.25rem 0.75rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--tg-radius-full, 9999px);
}

.page-hero__badge--light {
    color: var(--tg-bg);
    background: #fff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.page-hero__badge--primary {
    color: var(--tg-primary);
    background: rgba(37, 106, 244, 0.2);
    border: 1px solid rgba(37, 106, 244, 0.3);
}

.page-hero__title {
    margin: 0 0 1rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: #fff;
}

.page-hero__subtitle {
    max-width: 42rem;
    margin: 0 auto;
    color: var(--tg-text-muted);
}

.page-hero__meta {
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--tg-text-muted);
}

.page-hero__meta .material-symbols-outlined {
    color: var(--tg-primary);
    font-size: 18px;
}

@media (min-width: 768px) {
    .page-hero__inner {
        padding: 3.5rem 3rem;
    }

    .page-hero__title {
        font-size: 3rem;
    }
}

/* ---------- Content grids ---------- */
.content-card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .content-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 1280px) {
    .content-card-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.content-skeleton {
    aspect-ratio: 16 / 9;
    border-radius: var(--tg-radius-xl);
    background-color: var(--tg-bg-elev);
    animation: tg-pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ---------- EmptyState ---------- */
.empty-state {
    padding: 2.5rem;
    text-align: center;
    background-color: var(--tg-bg-elev);
    border: 1px solid var(--tg-bg-elev-2);
    border-radius: var(--tg-radius-2xl);
}

.empty-state__icon {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 48px;
    color: var(--tg-text-muted);
}

.empty-state__text {
    margin: 0;
    color: var(--tg-text-muted);
}

/* ---------- Pager ---------- */
.pager {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
}

.pager__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    width: 2.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--tg-text-muted);
    background: transparent;
    border: 1px solid var(--tg-bg-elev-2);
    border-radius: var(--tg-radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
}

.pager__btn:hover:not(:disabled):not(.pager__btn--active) {
    background: var(--tg-bg-elev-2);
    color: #fff;
}

.pager__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pager__btn--active {
    color: #fff;
    background: var(--tg-primary);
    border-color: var(--tg-primary);
}

.pager__btn .material-symbols-outlined {
    font-size: 18px;
}

/* ---------- Shared helpers ---------- */
.tg-text-muted {
    color: var(--tg-text-muted);
}

@keyframes tg-pulse {
    50% {
        opacity: 0.5;
    }
}