/* IG Section Nav · dock flotante con progreso de lectura */
.igpw-sn{--sn-bg:rgba(12,11,16,.84);--sn-fg:#f6f3ee;--sn-ac:#ef2729;--sn-p:0;--p:0;
	position:fixed;left:50%;bottom:max(18px,env(safe-area-inset-bottom));z-index:90;display:flex;align-items:center;gap:4px;max-width:min(1040px,calc(100vw - 24px));
	padding:6px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:var(--sn-bg);color:var(--sn-fg);
	-webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4);box-shadow:0 18px 50px -12px rgba(0,0,0,.55);
	font-family:var(--igpw-font,'Manrope',system-ui,sans-serif);overflow:hidden;
	transform:translate(-50%,24px);opacity:0;pointer-events:none;transition:transform .5s var(--igpw-ease,cubic-bezier(.2,.8,.2,1)),opacity .4s}
.igpw-sn.is-on{transform:translate(-50%,0);opacity:1;pointer-events:auto}
.igpw-sn.is-static{position:relative;left:auto;bottom:auto;transform:none;margin:0 auto;width:max-content}
.igpw-sn__bar{position:absolute;left:18px;right:18px;bottom:0;height:2px;background:rgba(255,255,255,.1);border-radius:2px;overflow:hidden}
.igpw-sn__bar i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(var(--p));background:var(--igpw-grad,linear-gradient(100deg,#c23c7b,#ef2729))}
.igpw-sn__list{display:flex;gap:2px;margin:0;padding:0;list-style:none;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
.igpw-sn__list::-webkit-scrollbar{display:none}
.igpw-sn__list li{margin:0;flex:none;scroll-snap-align:center}
.igpw-sn__a{display:flex;align-items:center;gap:7px;min-height:44px;padding:0 12px;border-radius:999px;color:inherit;text-decoration:none;font-size:13px;font-weight:600;letter-spacing:.01em;white-space:nowrap;opacity:.62;transition:opacity .25s,background .3s,color .3s}
.igpw-sn__a:hover{opacity:1;background:rgba(255,255,255,.08);color:var(--sn-fg)}
.igpw-sn__n{font-size:10.5px;font-weight:700;letter-spacing:.14em;opacity:.7;font-variant-numeric:tabular-nums}
.igpw-sn__a.is-active{opacity:1;background:#f6f3ee;color:#0c0b10}
.igpw-sn__a.is-active .igpw-sn__n{opacity:1;color:var(--sn-ac)}
.igpw-sn__a:focus-visible,.igpw-sn__go:focus-visible{outline:2px solid #f6f3ee;outline-offset:-2px}
.igpw-sn__go{flex:none;display:none;place-items:center;width:44px;height:44px;margin:0;padding:0;border:0;border-radius:50%;background:transparent;color:inherit;font-size:18px;cursor:pointer;transition:background .25s}
.igpw-sn__go:hover,.igpw-sn__go:focus{background:rgba(255,255,255,.1);color:inherit}
.igpw-sn__m{display:none;min-width:0;flex:1;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;text-align:center}
.igpw-sn__m b{max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:700}
.igpw-sn__m em{font-style:normal;font-size:10.5px;letter-spacing:.14em;opacity:.65;font-variant-numeric:tabular-nums}
@media(max-width:900px){
	.igpw-sn{gap:0;width:min(420px,calc(100vw - 24px))}
	.igpw-sn__list{display:none}
	.igpw-sn__go{display:grid}
	.igpw-sn__m{display:flex}
}
@media(prefers-reduced-motion:reduce){.igpw-sn,.igpw-sn__a{transition:none}}