/* IDF: back-to-top + product nav (top placement) */
#idf-to-top{position:fixed;left:18px;bottom:18px;z-index:99998;width:46px;height:46px;border:0;border-radius:50%;background:#5F63EA;color:#fff;cursor:pointer;box-shadow:0 4px 14px rgba(15,23,42,.25);display:flex;align-items:center;justify-content:center;padding:0;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .25s,transform .25s,background .2s}
#idf-to-top.show,#idf-to-top:focus{opacity:1;transform:none;pointer-events:auto}
#idf-to-top:hover{background:#4F46E5}
#idf-to-top:focus-visible{outline:2px solid #0F172A;outline-offset:2px}
.idf-next-wrap{margin:14px 0 20px;padding-bottom:18px;border-bottom:1px solid #E2E8F0}
.idf-next-label{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#64748B;font-weight:600;margin-bottom:10px}
.idf-nav-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
a.idf-next-btn{display:inline-block;background:#5F63EA;color:#fff !important;padding:13px 20px;border-radius:8px;font-weight:600;text-decoration:none;font-size:15px;line-height:1.4}
a.idf-next-btn:hover{background:#4F46E5;color:#fff !important}
a.idf-next-btn:focus-visible{outline:2px solid #0F172A;outline-offset:2px}


/* IDF: Q4 shop banner (seasonal, retires mid-December) */
.idf-q4-banner{margin:0 0 34px;padding:22px 24px;border:1px solid #E2E8F0;border-left:4px solid #6366F1;border-radius:10px;background:#F8FAFC}
.idf-q4-banner h2{margin:0 0 8px;font-size:19px;color:#0F172A;font-weight:700}
.idf-q4-banner p{margin:0 0 14px;font-size:15px;line-height:1.6;color:#334155;max-width:72ch}
a.idf-q4-cta{display:inline-block;background:#5F63EA;color:#fff !important;padding:12px 20px;border-radius:8px;font-weight:600;text-decoration:none;font-size:15px;line-height:1.4}
a.idf-q4-cta:hover{background:#4F46E5;color:#fff !important}
a.idf-q4-cta:focus-visible{outline:2px solid #0F172A;outline-offset:2px}