.proyectos-page{padding:var(--space-m);max-width:1200px;margin:0 auto}.proyectos-header{margin-bottom:var(--space-m);min-height:3rem;position:relative}.btn-volver-proyectos{color:var(--color-secondary);border-radius:var(--radius);background:0 0;border:1px solid #0000;align-items:center;gap:.5rem;padding:.4rem .9rem;font-size:.95rem;font-weight:500;text-decoration:none;transition:all .3s;display:inline-flex;position:absolute;top:50%;left:0;transform:translateY(-50%)}.btn-volver-proyectos:hover{color:var(--color-primary-hover);background-color:var(--color-surface-alt);border-color:var(--color-primary);transform:translate(-2px,-50%)}.btn-volver-icono{font-size:1rem;transition:transform .3s}.btn-volver-proyectos:hover .btn-volver-icono{transform:translate(-2px)}.proyectos-titulo{text-align:center;color:var(--color-primary);font-size:var(--font-size-xl);margin:0 auto;font-weight:600}.filtros-categorias{justify-content:center;gap:var(--space-xs);margin-bottom:var(--space-m);flex-wrap:wrap;display:flex}.filtro-categoria-btn{border:1px solid var(--color-secondary);background:var(--color-surface);color:var(--color-text);transition:var(--transition);cursor:pointer;border-radius:17px;padding:.5rem 1.25rem;font-weight:600}.filtro-categoria-btn:hover{background:var(--color-primary-hover);color:var(--color-bg);border-color:var(--color-primary)}.filtro-categoria-btn.activo{background:var(--color-primary);color:var(--color-bg);border-color:var(--color-primary-hover)}.proyectos-grid{gap:var(--space-m);grid-template-columns:1fr;display:grid}@media (min-width:640px){.proyectos-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:1024px){.proyectos-grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:1023px){.proyectos-header{align-items:center;gap:var(--space-s);padding-top:var(--space-xs);flex-direction:column;display:flex;position:static}.btn-volver-proyectos{padding:.5rem 1rem;font-size:.9rem;position:static;transform:none}.proyectos-titulo{font-size:1.7rem}}