.mod-biblioteca{background:#fff;color:#111222;font-family:Inter,sans-serif;padding:60px 0}.mod-container{margin:0 auto;text-align:center;width:min(80vw,1200px)}.mod-title{font-size:clamp(1.4rem,2.2vw,1.9rem);font-weight:900;letter-spacing:.04em;margin-bottom:.3em;text-transform:uppercase}.mod-desc{color:#333;font-size:clamp(.95rem,1.6vw,1.05rem);line-height:1.6;margin:0 auto 2.2em;max-width:720px}.libros-grid{display:grid;gap:32px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));justify-content:center;margin:0 auto;max-width:900px}.libro-card{background:var(--card-bg);border-radius:14px;box-shadow:0 6px 14px rgba(0,0,0,.08);padding:14px;position:relative;transition:transform .3s ease,box-shadow .3s ease}.libro-card:before{background:rgba(0,0,0,.05);border-radius:12px;content:"";inset:10px -8px 0 10px;position:absolute;transform:rotate(-1.5deg);z-index:0}.libro-card:hover{box-shadow:0 12px 24px rgba(0,0,0,.1);transform:translateY(-4px) scale(1.02)}.libro-cover{position:relative;z-index:2}.libro-cover img{border-radius:10px;box-shadow:0 4px 10px rgba(0,0,0,.1);transition:transform .3s ease;width:100%}.libro-card:hover .libro-cover img{transform:scale(1.04)}.libro-info{align-items:center;display:flex;justify-content:space-between;margin-top:12px;position:relative;z-index:2}.libro-info h3{font-size:.95rem;font-weight:700;line-height:1.3;text-align:left}.libro-download{align-items:center;border:1.6px solid #111222;border-radius:8px;color:#111222;display:inline-flex;height:34px;justify-content:center;transition:all .25s ease;width:34px}.libro-download:hover{background:#ff5515;border-color:#ff5515;color:#fff;transform:translateY(-2px)}@media (max-width:768px){.libros-grid{gap:24px;grid-template-columns:1fr;max-width:100%}.libro-info h3{font-size:.9rem}}