/* ==========================================================
   Latido Vital — sistema visual
   Laboratorio claro + corazón iridiscente. El rojo "pulso"
   es el único acento fuerte; el cian "oxígeno" vive en el 3D.
   ========================================================== */
:root {
  --suero: #EDEFF3;     /* fondo */
  --hielo: #F8F9FB;     /* tarjetas */
  --tinta: #0A0D14;     /* texto */
  --grafito: #5B6170;   /* texto secundario */
  --pulso: #FF2D4B;     /* acento */
  --oxigeno: #2FD3FF;   /* secundario (3D, medidores) */
  --linea: rgba(10, 13, 20, .12);
  --sombra: 0 1px 0 rgba(255,255,255,.8) inset, 0 20px 40px -24px rgba(10,13,20,.35);

  --f-display: "Anybody", "Arial Narrow", sans-serif;
  --f-body: "Hanken Grotesk", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, monospace;

  --r: 18px;
  --gutter: clamp(16px, 4vw, 48px);
  --beat: 0;            /* 0→1 en cada latido (lo escribe hero3d.js) */
  --heat: 0;            /* 0→1 conforme sube el BPM */
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--suero);
  color: var(--tinta);
  font: 400 16px/1.55 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, canvas { display: block; max-width: 100%; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--pulso); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--tinta); color: #fff; padding: 10px 14px; border-radius: 10px;
}
.skip:focus { top: 12px; }

/* ---------- Tipografía ---------- */
.eyebrow, .section-sub, .zone-card__bpm, .bpm-mini, .monitor, .pd__brand, .chip, .select span {
  font-family: var(--f-mono);
}
.eyebrow {
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--grafito); margin: 0 0 18px;
}
.section-title {
  font: 800 clamp(36px, 6vw, 72px)/.92 var(--f-display);
  font-stretch: 130%;
  letter-spacing: -.02em;
  margin: 0;
  text-transform: uppercase;
}
.section-sub { color: var(--grafito); font-size: 13px; margin: 10px 0 0; }
.section-head { padding: 0 var(--gutter); margin-bottom: 28px; }
.section-head--row { display: flex; align-items: end; justify-content: space-between; gap: 16px; }

/* El texto con [data-pulse] se ensancha con cada latido */
[data-pulse] { font-stretch: calc(100% + var(--beat) * 14%); transition: font-stretch 60ms linear; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 26px; border-radius: 999px;
  font: 700 15px/1 var(--f-body); letter-spacing: .01em;
  text-decoration: none; border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.btn:active { transform: scale(.97); }
.btn--primary {
  background: var(--tinta); color: #fff;
  box-shadow: 0 10px 30px -10px rgba(255,45,75,.55);
}
.btn--primary:hover { background: var(--pulso); }
.btn--ghost { border-color: var(--linea); background: rgba(255,255,255,.5); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: var(--tinta); }
.btn--small { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: wait; }

/* ---------- Barra superior ---------- */
.topbar {
  position: fixed; inset: 12px 12px auto; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  height: 60px; padding: 0 10px 0 18px;
  background: rgba(248,249,251,.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 999px;
  box-shadow: var(--sombra);
}
.wordmark { display: flex; align-items: center; gap: 8px; text-decoration: none; }
.wordmark__ecg { width: 34px; height: 18px; }
.wordmark__ecg path { fill: none; stroke: var(--pulso); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.wordmark__text { font: 900 18px/1 var(--f-display); letter-spacing: .02em; }
.topnav { display: flex; gap: 4px; }
.topnav a {
  padding: 8px 14px; border-radius: 999px; text-decoration: none;
  font-weight: 600; font-size: 14px;
}
.topnav a:hover { background: rgba(10,13,20,.06); }
.topbar__right { display: flex; align-items: center; gap: 10px; }
.bpm-mini { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--grafito); }
.bpm-mini b { color: var(--tinta); min-width: 3ch; text-align: right; }
.bpm-mini__dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--pulso);
  transform: scale(calc(1 + var(--beat) * .8));
  box-shadow: 0 0 calc(var(--beat) * 12px) var(--pulso);
}
.cart-btn {
  display: inline-flex; align-items: center; gap: 10px;
  height: 44px; padding: 0 8px 0 18px; border-radius: 999px; border: 0;
  background: var(--tinta); color: #fff; font-weight: 700; font-size: 14px;
}
.cart-btn__count {
  display: grid; place-items: center; min-width: 28px; height: 28px; padding: 0 6px;
  border-radius: 999px; background: var(--pulso); font: 600 13px/1 var(--f-mono);
}
.cart-btn.bump { animation: bump .45s cubic-bezier(.3,1.6,.5,1); }
@keyframes bump { 40% { transform: scale(1.12); } }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: grid; align-items: center;
  padding: 120px var(--gutter) 170px;
  overflow: hidden;
  background:
    radial-gradient(60% 60% at 72% 45%, rgba(47,211,255,.18), transparent 70%),
    radial-gradient(40% 40% at 70% 60%, rgba(255,45,75, calc(.10 + var(--heat) * .25)), transparent 70%),
    var(--suero);
}
/* rejilla de laboratorio */
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--linea) 1px, transparent 1px),
    linear-gradient(90deg, var(--linea) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(70% 70% at 60% 45%, #000 20%, transparent 75%);
  opacity: .55;
}
.hero__canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  touch-action: pan-y;
}
.hero__copy { position: relative; z-index: 2; max-width: 640px; pointer-events: none; }
.hero__copy a { pointer-events: auto; }
.hero__title { margin: 0; text-transform: uppercase; }
.hero__line {
  display: block;
  font: 900 clamp(56px, 11vw, 168px)/.84 var(--f-display);
  letter-spacing: -.035em;
  opacity: 0; transform: translateY(40px);
  animation: rise .9s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero__line--accent {
  animation-delay: .12s;
  color: transparent;
  -webkit-text-stroke: 2px var(--tinta);
  background: linear-gradient(100deg, var(--pulso), #ff7a59 45%, var(--oxigeno));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-stroke: 0;
}
.hero__sub {
  max-width: 460px; margin: 24px 0 32px; font-size: 18px; color: #2a2f3a;
  opacity: 0; animation: rise .9s .25s cubic-bezier(.2,.8,.2,1) forwards;
}
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; opacity: 0; animation: rise .9s .35s cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* Monitor cardiaco */
.monitor {
  position: absolute; z-index: 2; left: var(--gutter); right: var(--gutter); bottom: 28px;
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
  padding: 14px 22px; border-radius: var(--r);
  background: rgba(10,13,20,.92); color: #fff;
  box-shadow: 0 30px 60px -30px rgba(10,13,20,.6);
}
.monitor__read { display: flex; align-items: baseline; gap: 14px; }
.monitor__bpm b { font: 600 40px/1 var(--f-mono); color: var(--pulso); font-variant-numeric: tabular-nums; }
.monitor__bpm small { font-size: 11px; margin-left: 6px; color: #9aa1ad; }
.monitor__zone {
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 10px; border-radius: 999px; border: 1px solid rgba(255,255,255,.2);
}
.monitor__ecg { width: 100%; height: 48px; }
.monitor__ecg path { fill: none; stroke: var(--pulso); stroke-width: 2; vector-effect: non-scaling-stroke; filter: drop-shadow(0 0 4px rgba(255,45,75,.8)); }
.monitor__hint { margin: 0; font-size: 11px; color: #9aa1ad; letter-spacing: .08em; text-transform: uppercase; }

/* ---------- Zonas ---------- */
.zones { padding: 120px 0 80px; }
.zones__grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
  padding: 0 var(--gutter);
}
.zone-card {
  position: relative; text-align: left; overflow: hidden;
  display: flex; flex-direction: column; gap: 10px;
  min-height: 300px; padding: 22px; border-radius: var(--r);
  border: 1px solid var(--linea); background: var(--hielo);
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s, border-color .35s;
}
.zone-card::after {
  content: ""; position: absolute; inset: auto -30% -60% -30%; height: 90%;
  background: radial-gradient(closest-side, var(--z), transparent);
  opacity: .35; transition: opacity .35s, transform .35s;
}
.zone-card:hover { transform: translateY(-6px); box-shadow: 0 30px 50px -30px var(--z); border-color: var(--z); }
.zone-card:hover::after { opacity: .65; transform: translateY(-10%); }
.zone-card__bpm { font-size: 12px; color: var(--grafito); }
.zone-card__name { font: 800 34px/.95 var(--f-display); font-stretch: 120%; text-transform: uppercase; margin-top: auto; position: relative; z-index: 1; }
.zone-card__desc { font-size: 14px; color: #2a2f3a; position: relative; z-index: 1; }

/* ---------- Marcas ---------- */
.brands {
  border-block: 1px solid var(--linea);
  overflow: hidden; padding: 22px 0;
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.brands__track { display: flex; gap: 56px; width: max-content; animation: marquee 30s linear infinite; }
.brands__track button {
  border: 0; background: none; padding: 0;
  font: 800 clamp(28px, 4vw, 48px)/1 var(--f-display); font-stretch: 140%;
  text-transform: uppercase; white-space: nowrap; color: transparent;
  -webkit-text-stroke: 1.2px var(--tinta);
  transition: color .2s;
}
.brands__track button:hover { color: var(--tinta); }
.brands:hover .brands__track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Catálogo ---------- */
.catalog { padding: 100px 0 60px; scroll-margin-top: 70px; }
.filters {
  display: flex; flex-wrap: wrap; align-items: end; gap: 12px 16px;
  padding: 0 var(--gutter); margin-bottom: 28px;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 4px; border-radius: 999px; background: rgba(10,13,20,.05); }
.chip {
  border: 0; background: none; padding: 8px 14px; border-radius: 999px;
  font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
}
.chip.is-on { background: var(--tinta); color: #fff; }
.select { display: grid; gap: 4px; }
.select span { font-size: 11px; color: var(--grafito); text-transform: uppercase; letter-spacing: .08em; }
.select select {
  height: 40px; padding: 0 34px 0 14px; border-radius: 12px;
  border: 1px solid var(--linea); background: var(--hielo); font: 500 14px var(--f-body);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%230A0D14' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}

.grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px;
  padding: 0 var(--gutter);
}
.card {
  position: relative; display: flex; flex-direction: column;
  border-radius: var(--r); background: var(--hielo); border: 1px solid var(--linea);
  overflow: hidden; perspective: 900px;
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1), box-shadow .3s;
}
.card.is-in { opacity: 1; transform: none; }
.card:hover { box-shadow: 0 30px 50px -30px rgba(10,13,20,.45); }
.card__media {
  position: relative; aspect-ratio: 4 / 5; border: 0; padding: 0; width: 100%;
  background:
    radial-gradient(70% 60% at 50% 45%, color-mix(in srgb, var(--c) 30%, white), transparent 72%),
    linear-gradient(180deg, #fff, #e4e7ee);
  overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__media svg {
  position: absolute; inset: 12%; width: 76%; height: 76%;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(0);
  transition: transform .25s ease-out;
  filter: drop-shadow(0 24px 22px rgba(10,13,20,.28));
}
.card__badge {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  padding: 5px 10px; border-radius: 999px; background: var(--tinta); color: #fff;
  font: 600 11px/1 var(--f-mono); letter-spacing: .06em; text-transform: uppercase;
}
.card__badge--oferta { background: var(--pulso); }
.card__quick {
  position: absolute; left: 12px; right: 12px; bottom: 12px; z-index: 1;
  height: 42px; border: 0; border-radius: 999px;
  background: rgba(10,13,20,.88); color: #fff; font-weight: 700; font-size: 14px;
  transform: translateY(140%); transition: transform .3s cubic-bezier(.2,.8,.2,1);
}
.card:hover .card__quick, .card:focus-within .card__quick { transform: none; }
.card__body { display: grid; gap: 4px; padding: 14px 16px 18px; }
.card__brand { font: 500 11px var(--f-mono); color: var(--grafito); text-transform: uppercase; letter-spacing: .08em; }
.card__name { font-weight: 600; font-size: 16px; margin: 0; }
.card__row { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 4px; }
.price { font: 600 15px var(--f-mono); }
.price s { color: var(--grafito); font-weight: 400; font-size: 13px; margin-left: 6px; }
.dots { display: flex; gap: 4px; }
.dots i { width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--linea); }
.empty { text-align: center; padding: 60px var(--gutter); color: var(--grafito); }

/* ---------- Garantías ---------- */
.promises {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  margin: 60px var(--gutter) 100px; border-radius: var(--r); overflow: hidden;
  background: var(--linea); border: 1px solid var(--linea);
}
.promise { background: var(--hielo); padding: 26px 22px; }
.promise h3 { margin: 0 0 6px; font: 800 20px/1.1 var(--f-display); font-stretch: 115%; text-transform: uppercase; }
.promise p { margin: 0; font-size: 14px; color: var(--grafito); }

/* ---------- Pie ---------- */
.footer {
  display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px;
  padding: 60px var(--gutter) 30px; background: var(--tinta); color: #cfd3db;
}
.footer .wordmark__text { color: #fff; font-size: 28px; }
.footer__brand p { margin: 10px 0 0; max-width: 300px; }
.footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.footer__cols h4 { margin: 0 0 12px; font: 600 11px var(--f-mono); color: #8a909c; text-transform: uppercase; letter-spacing: .1em; }
.footer__cols a { display: block; padding: 4px 0; text-decoration: none; font-size: 14px; }
.footer__cols a:hover { color: #fff; }
.footer__legal { grid-column: 1 / -1; margin: 20px 0 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; color: #8a909c; }

/* ---------- Diálogos ---------- */
dialog { border: 0; padding: 0; color: var(--tinta); }
dialog::backdrop { background: rgba(10,13,20,.45); backdrop-filter: blur(6px); }

.product-dialog {
  width: min(960px, calc(100% - 32px)); max-height: calc(100svh - 32px);
  border-radius: 24px; background: var(--hielo); overflow: auto;
}
.product-dialog[open] { animation: pop .35s cubic-bezier(.2,.8,.2,1); }
@keyframes pop { from { opacity: 0; transform: translateY(20px) scale(.98); } }
.product-dialog__close { position: absolute; top: 14px; right: 14px; z-index: 2; margin: 0; }
.product-dialog__close button, .cart__x {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--linea); background: #fff;
}
.pd { display: grid; grid-template-columns: 1.1fr 1fr; }
.pd__media {
  position: relative; min-height: 420px;
  background:
    radial-gradient(60% 55% at 50% 45%, color-mix(in srgb, var(--c, #ccc) 35%, white), transparent 72%),
    linear-gradient(180deg, #fff, #e1e5ec);
  perspective: 900px;
}
.pd__media svg {
  position: absolute; inset: 10%; width: 80%; height: 80%;
  filter: drop-shadow(0 30px 26px rgba(10,13,20,.3));
  animation: float 5s ease-in-out infinite;
}
.pd__media img { width: 100%; height: 100%; object-fit: cover; }
@keyframes float { 50% { transform: translateY(-10px) rotateY(12deg); } }
.pd__info { padding: 40px 32px 32px; display: flex; flex-direction: column; gap: 6px; }
.pd__brand { margin: 0; font-size: 12px; color: var(--grafito); text-transform: uppercase; letter-spacing: .1em; }
.pd__name { margin: 0; font: 800 34px/1 var(--f-display); font-stretch: 115%; text-transform: uppercase; }
.pd__price { margin: 6px 0 0; }
.pd__desc { color: #2a2f3a; margin: 8px 0 10px; }
.pd__opts { border: 0; padding: 0; margin: 8px 0; }
.pd__opts legend { padding: 0; margin-bottom: 8px; font-size: 14px; color: var(--grafito); }
.pd__opts legend b { color: var(--tinta); }
.swatches, .sizes { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch {
  width: 36px; height: 36px; border-radius: 50%; border: 2px solid #fff;
  box-shadow: 0 0 0 1px var(--linea);
}
.swatch[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--tinta); }
.size {
  min-width: 52px; height: 42px; padding: 0 12px; border-radius: 12px;
  border: 1px solid var(--linea); background: #fff; font: 600 14px var(--f-mono);
}
.size[aria-pressed="true"] { background: var(--tinta); color: #fff; border-color: var(--tinta); }
.pd__error { min-height: 1.2em; margin: 4px 0; color: #c4142f; font-size: 14px; }

/* Carrito */
.cart {
  position: fixed; inset: 0 0 0 auto; margin: 0;
  width: min(440px, 100%); height: 100dvh; max-height: none;
  background: var(--hielo); display: none; flex-direction: column;
}
.cart[open] { display: flex; animation: slide .35s cubic-bezier(.2,.8,.2,1); }
@keyframes slide { from { transform: translateX(100%); } }
.cart__head { display: flex; align-items: center; justify-content: space-between; padding: 20px 20px 14px; border-bottom: 1px solid var(--linea); }
.cart__head h2 { margin: 0; font: 800 24px/1 var(--f-display); font-stretch: 120%; text-transform: uppercase; }
.cart__head form { margin: 0; }
.cart__step { flex: 1; display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.cart__step[hidden] { display: none; }
.cart__items { list-style: none; margin: 0; padding: 8px 20px; overflow: auto; flex: 1; }
.line { display: grid; grid-template-columns: 72px 1fr auto; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--linea); }
.line__img { width: 72px; height: 88px; border-radius: 12px; background: linear-gradient(180deg,#fff,#e4e7ee); position: relative; overflow: hidden; }
.line__img svg { position: absolute; inset: 10%; width: 80%; height: 80%; }
.line__img img { width: 100%; height: 100%; object-fit: cover; }
.line__name { margin: 0; font-weight: 600; font-size: 15px; }
.line__meta { margin: 2px 0 8px; font: 400 12px var(--f-mono); color: var(--grafito); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--linea); border-radius: 999px; }
.qty button { width: 30px; height: 30px; border: 0; background: none; font-size: 16px; }
.qty span { min-width: 22px; text-align: center; font: 600 13px var(--f-mono); }
.line__right { display: flex; flex-direction: column; align-items: end; justify-content: space-between; }
.line__remove { border: 0; background: none; font-size: 12px; color: var(--grafito); text-decoration: underline; padding: 0; }
.cart__empty { flex: 1; display: grid; place-content: center; justify-items: center; gap: 10px; color: var(--grafito); }
.cart__foot { padding: 16px 20px 22px; border-top: 1px solid var(--linea); }
.ship-meter p { margin: 0 0 8px; font-size: 13px; }
.ship-meter__bar { height: 6px; border-radius: 6px; background: rgba(10,13,20,.08); overflow: hidden; }
.ship-meter__bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--oxigeno), var(--pulso)); transition: width .5s cubic-bezier(.2,.8,.2,1); }
.totals { margin: 16px 0; display: grid; gap: 6px; }
.totals div { display: flex; justify-content: space-between; }
.totals dt { color: var(--grafito); }
.totals dd { margin: 0; font: 600 14px var(--f-mono); }
.totals__grand { padding-top: 8px; border-top: 1px dashed var(--linea); }
.totals__grand dt { color: var(--tinta); font-weight: 700; }
.totals__grand dd { font-size: 18px; }

.checkout { padding: 16px 20px 22px; overflow: auto; gap: 10px; }
.checkout h3 { margin: 4px 0; font: 800 20px var(--f-display); font-stretch: 115%; text-transform: uppercase; }
.checkout > * { flex-shrink: 0; }
.checkout label { display: grid; gap: 4px; min-width: 0; font-size: 13px; color: var(--grafito); }
.checkout input {
  width: 100%; min-width: 0; height: 44px; padding: 0 12px; border-radius: 12px; border: 1px solid var(--linea);
  background: #fff; font: 400 16px var(--f-body); color: var(--tinta);
}
.checkout input[aria-invalid="true"] { border-color: #c4142f; }
.checkout__row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.checkout__total { margin: 8px 0 0; }
.checkout__total b { font-family: var(--f-mono); }
.checkout__note { font-size: 12px; color: var(--grafito); margin: 4px 0 0; }
.link-back { align-self: start; border: 0; background: none; padding: 0; font-size: 14px; text-decoration: underline; }

/* Aviso */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 200;
  transform: translate(-50%, calc(100% + 40px)); visibility: hidden;
  padding: 12px 18px; border-radius: 999px;
  background: var(--tinta); color: #fff; font-size: 14px; font-weight: 600;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), visibility .35s;
}
.toast.is-on { transform: translate(-50%, 0); visibility: visible; }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .zones__grid { grid-template-columns: repeat(2, 1fr); }
  .promises { grid-template-columns: repeat(2, 1fr); }
  .topnav { display: none; }
  .monitor { grid-template-columns: auto 1fr; }
  .monitor__hint { display: none; }
}
@media (max-width: 640px) {
  .topbar { inset: 8px 8px auto; height: 54px; padding-left: 14px; }
  .wordmark__text { font-size: 15px; }
  .wordmark__ecg { width: 26px; }
  .bpm-mini { display: none; }
  .cart-btn { height: 40px; padding-left: 14px; }
  .hero { padding-top: 100px; padding-bottom: 150px; align-items: end; }
  .hero__sub { font-size: 16px; }
  .monitor { gap: 14px; padding: 12px 16px; bottom: 16px; }
  .monitor__bpm b { font-size: 30px; }
  .zones { padding-top: 80px; }
  .zones__grid { grid-template-columns: 1fr; }
  .zone-card { min-height: 190px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card__body { padding: 10px 12px 14px; }
  .card__name { font-size: 14px; }
  .card__quick { display: none; }
  .promises { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: repeat(2, 1fr); }
  .pd { grid-template-columns: 1fr; }
  .pd__media { min-height: 300px; }
  .pd__info { padding: 22px 18px 24px; }
  .section-head--row { flex-direction: column; align-items: start; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .hero__line, .hero__sub, .hero__ctas, .card { opacity: 1; transform: none; }
}