.presentations-grid[data-astro-cid-gxhq5nxv]{display:grid;grid-template-columns:repeat(auto-fit,minmax(400px,1fr));gap:var(--spacing-2xl);max-width:1200px;margin:0 auto}@media(max-width:480px){.presentations-grid[data-astro-cid-gxhq5nxv]{grid-template-columns:1fr}}.pres-card[data-astro-cid-gxhq5nxv]{background:var(--color-white);border-radius:var(--radius-xl);padding:var(--spacing-2xl);box-shadow:var(--shadow-md);border-left:5px solid var(--card-color);display:flex;flex-direction:column;transition:var(--transition-base)}.pres-card[data-astro-cid-gxhq5nxv]:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.pres-card__header[data-astro-cid-gxhq5nxv]{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-lg)}.pres-card__icon[data-astro-cid-gxhq5nxv]{width:50px;height:50px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--card-color) 15%,white);color:var(--card-color);font-size:1.5em}.pres-card__meta[data-astro-cid-gxhq5nxv]{display:flex;gap:var(--spacing-sm)}.pres-card__type[data-astro-cid-gxhq5nxv]{font-size:.75em;color:var(--color-white);background:var(--card-color);padding:4px 12px;border-radius:var(--radius-pill);text-transform:capitalise}.pres-card__title[data-astro-cid-gxhq5nxv]{color:var(--color-brand-primary);font-size:1.2em;margin:0 0 var(--spacing-sm) 0;line-height:1.3}.pres-card__authors[data-astro-cid-gxhq5nxv]{color:var(--color-text-secondary);font-size:.9em;margin:0 0 var(--spacing-md) 0;display:flex;align-items:center;gap:var(--spacing-xs)}.pres-card__authors[data-astro-cid-gxhq5nxv] i[data-astro-cid-gxhq5nxv]{color:var(--card-color)}.pres-card__summary[data-astro-cid-gxhq5nxv]{color:var(--color-text-secondary);line-height:var(--line-height-base);margin-bottom:var(--spacing-lg)}.pres-card__learn[data-astro-cid-gxhq5nxv],.pres-card__technical[data-astro-cid-gxhq5nxv]{margin-bottom:var(--spacing-lg)}.pres-card__learn[data-astro-cid-gxhq5nxv] h4[data-astro-cid-gxhq5nxv],.pres-card__technical[data-astro-cid-gxhq5nxv] h4[data-astro-cid-gxhq5nxv]{color:var(--color-brand-primary);font-size:.9em;margin:0 0 var(--spacing-sm) 0;display:flex;align-items:center;gap:var(--spacing-xs)}.pres-card__learn[data-astro-cid-gxhq5nxv] h4[data-astro-cid-gxhq5nxv] i[data-astro-cid-gxhq5nxv]{color:var(--color-orange-500)}.pres-card__technical[data-astro-cid-gxhq5nxv] h4[data-astro-cid-gxhq5nxv] i[data-astro-cid-gxhq5nxv]{color:var(--color-blue-500)}.pres-card__learn[data-astro-cid-gxhq5nxv] ul[data-astro-cid-gxhq5nxv],.pres-card__technical[data-astro-cid-gxhq5nxv] ul[data-astro-cid-gxhq5nxv]{list-style:none;padding:0;margin:0}.pres-card__learn[data-astro-cid-gxhq5nxv] li[data-astro-cid-gxhq5nxv],.pres-card__technical[data-astro-cid-gxhq5nxv] li[data-astro-cid-gxhq5nxv]{font-size:.9em;color:var(--color-text-secondary);margin-bottom:var(--spacing-xs);padding-left:var(--spacing-lg);position:relative}.pres-card__learn[data-astro-cid-gxhq5nxv] li[data-astro-cid-gxhq5nxv]:before{content:"•";position:absolute;left:0;color:var(--color-orange-500)}.pres-card__technical[data-astro-cid-gxhq5nxv] li[data-astro-cid-gxhq5nxv]:before{content:"•";position:absolute;left:0;color:var(--color-blue-500)}.pres-card__footer[data-astro-cid-gxhq5nxv]{margin-top:auto;padding-top:var(--spacing-lg);border-top:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:var(--spacing-md)}.pres-card__footer[data-astro-cid-gxhq5nxv] .btn--primary[data-astro-cid-gxhq5nxv]{background:var(--card-color);color:#fff;padding:10px 20px;border-radius:var(--radius-md);text-decoration:none;font-weight:var(--font-weight-medium);display:inline-flex;align-items:center;gap:var(--spacing-xs);transition:var(--transition-base)}.pres-card__footer[data-astro-cid-gxhq5nxv] .btn--primary[data-astro-cid-gxhq5nxv]:hover{filter:brightness(1.1);transform:translateY(-1px)}.pres-card__tags[data-astro-cid-gxhq5nxv]{display:flex;gap:var(--spacing-xs);flex-wrap:wrap}.tag[data-astro-cid-gxhq5nxv]{font-size:.7em;color:var(--color-text-secondary);background:var(--color-gray-100);padding:3px 8px;border-radius:var(--radius-sm)}.empty-state[data-astro-cid-gxhq5nxv]{text-align:center;padding:var(--spacing-4xl) var(--spacing-2xl);background:var(--color-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-md)}.empty-state[data-astro-cid-gxhq5nxv] i[data-astro-cid-gxhq5nxv]{font-size:4em;color:var(--color-gray-300);margin-bottom:var(--spacing-lg)}.empty-state[data-astro-cid-gxhq5nxv] h3[data-astro-cid-gxhq5nxv]{color:var(--color-brand-primary);margin-bottom:var(--spacing-md)}.empty-state[data-astro-cid-gxhq5nxv] p[data-astro-cid-gxhq5nxv]{color:var(--color-text-secondary);max-width:500px;margin:0 auto}.more-links[data-astro-cid-gxhq5nxv]{display:flex;gap:var(--spacing-md);justify-content:center;margin-top:var(--spacing-3xl);flex-wrap:wrap}