/* Sidebar sticky dual · vertical rotado · desktop >=1024px · sin CLS (no ocupa layout) */
.pex-side{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:9998;display:flex;flex-direction:column;gap:4px;pointer-events:none}
.pex-side__btn{pointer-events:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;text-decoration:none;font-weight:800;font-family:inherit;letter-spacing:1.5px;font-size:12px;padding:16px 10px 20px;border-radius:10px 0 0 10px;transform:translateX(calc(100% - 46px));transition:transform .18s ease,box-shadow .18s ease;box-shadow:-3px 3px 12px rgba(0,0,0,.18);min-height:170px;width:auto}
.pex-side__btn:hover,.pex-side__btn:focus-visible{transform:translateX(0);box-shadow:-6px 4px 20px rgba(0,0,0,.28)}
.pex-side__btn:focus-visible{outline:3px solid #fff;outline-offset:-6px}
.pex-side__ico{font-size:22px;line-height:1;margin-bottom:10px;filter:drop-shadow(0 1px 2px rgba(0,0,0,.3))}
.pex-side__txt{writing-mode:vertical-rl;transform:rotate(180deg);white-space:nowrap;line-height:1.15}
/* Botón superior: presupuesto (rojo Procoex #CC2200) */
.pex-side__btn--quote{background:#CC2200;color:#fff}
.pex-side__btn--quote:hover{background:#E63000;color:#fff}
/* Botón inferior: whatsapp (verde WhatsApp #25D366) */
.pex-side__btn--wa{background:#25D366;color:#fff}
.pex-side__btn--wa:hover{background:#20BA5A;color:#fff}
/* Oculto en mobile + tablet (< 1024px) · ya hay WhatsApp flotante en móvil */
@media (max-width:1023px){.pex-side{display:none}}
/* Print · sin sidebar */
@media print{.pex-side{display:none}}
/* Reduced motion */
@media (prefers-reduced-motion:reduce){.pex-side__btn{transition:none}}