/* Efervé · estilos (pensado primero para el celular) */
:root {
  --azul: #1B3FA6;
  --amarillo: #FFD21F;
  --turquesa: #00B5AD;
  --naranja: #FF7A1A;
  --texto: #0F1E45;
  --gris: #F3F5FA;
  --celeste: #9FD3F0;
  --blanco: #fff;
  --radio: 24px;
  --nav-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--texto);
  background: var(--blanco);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0 0 .5em; line-height: 1.12; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 6.5vw, 2.75rem); }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1em; }
section[id], #faq { scroll-margin-top: calc(var(--nav-h) + 8px); }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--azul); color: #fff; padding: 8px 14px; border-radius: 99px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 52px; padding: 0 26px;
  border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 700; font-size: 1rem; text-decoration: none; white-space: nowrap;
  cursor: pointer; transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--sm { min-height: 44px; padding: 0 20px; font-size: .95rem; }
.btn--blue { background: var(--azul); color: #fff; }
.btn--blue:hover { background: #15338a; }
.btn--yellow { background: var(--amarillo); color: var(--texto); }
.btn--ghost { background: transparent; color: var(--texto); border-color: var(--texto); }
.btn--ghost:hover { background: rgba(15, 30, 69, .07); }
.ico { width: 22px; height: 22px; flex: none; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btns--center { justify-content: center; }

.tag {
  display: inline-block; margin: 0 0 16px; padding: 6px 16px;
  background: var(--azul); color: #fff; border-radius: 999px;
  font-size: .8rem; font-weight: 700; letter-spacing: .18em;
}
.tag--yellow { background: var(--amarillo); color: var(--texto); }
.kicker { margin: 0 0 8px; font-weight: 700; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; color: var(--azul); }
.lead { font-size: 1.08rem; max-width: 40em; }
.note, .small { font-size: .85rem; opacity: .75; }
.price { font-size: 1.6rem; font-weight: 800; margin: .25em 0 .6em; }

/* ---------- Menú ---------- */
.nav { position: sticky; top: 0; z-index: 50; background: var(--blanco); box-shadow: 0 1px 0 rgba(15, 30, 69, .08); }
.nav__bar { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.nav__logo img { width: 128px; height: auto; }
.nav__toggle {
  width: 48px; height: 48px; margin-right: -10px; border: 0; background: none; cursor: pointer;
  display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav__toggle span { width: 26px; height: 3px; border-radius: 3px; background: var(--azul); transition: transform .2s, opacity .2s; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.nav__menu {
  position: absolute; left: 0; right: 0; top: var(--nav-h);
  display: none; flex-direction: column; gap: 4px; padding: 12px 20px 24px;
  background: var(--blanco); box-shadow: 0 12px 24px rgba(15, 30, 69, .12);
}
.nav__menu.is-open { display: flex; }
.nav__menu a:not(.btn) { padding: 12px 4px; font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--gris); }
.nav__menu .btn { margin-top: 12px; }

/* ---------- Portada ---------- */
.hero { background: var(--amarillo); padding: 36px 0 48px; overflow: hidden; }
.hero__grid { display: grid; gap: 28px; }
.hero h1 { font-size: clamp(2.2rem, 10vw, 4rem); color: var(--azul); }
.hero h1 span { display: block; color: var(--texto); }
.hero__lead { font-size: 1.1rem; max-width: 30em; }
.hero__lead strong { font-weight: 800; }

.hero__art { position: relative; height: 320px; display: flex; justify-content: center; align-items: flex-end; }
.hero__photo { max-height: 100%; width: auto; object-fit: contain; }
.bottle { position: relative; width: 150px; display: flex; flex-direction: column; align-items: center; }
.bottle__trigger { position: absolute; top: 18px; left: 18px; width: 34px; height: 46px; border: 10px solid var(--azul); border-right: 0; border-radius: 22px 0 0 22px; }
.bottle__head { width: 96px; height: 50px; background: var(--azul); border-radius: 16px 30px 8px 8px; margin-left: 30px; }
.bottle__neck { width: 54px; height: 22px; background: #15338a; }
.bottle__body {
  position: relative; width: 150px; height: 230px; overflow: hidden;
  background: rgba(255, 255, 255, .55); border: 4px solid var(--azul); border-radius: 30px 30px 36px 36px;
}
.bottle__water { position: absolute; inset: 52px 0 0; background: rgba(0, 181, 173, .55); }
.bottle__water i {
  position: absolute; bottom: -12px; width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255, 255, 255, .85); animation: rise 3.2s ease-in infinite;
}
.bottle__water i:nth-child(1) { left: 18%; animation-delay: 0s; }
.bottle__water i:nth-child(2) { left: 38%; width: 7px; height: 7px; animation-delay: .7s; }
.bottle__water i:nth-child(3) { left: 58%; width: 12px; height: 12px; animation-delay: 1.4s; }
.bottle__water i:nth-child(4) { left: 76%; width: 6px; height: 6px; animation-delay: 2.1s; }
.bottle__water i:nth-child(5) { left: 28%; width: 8px; height: 8px; animation-delay: 2.6s; }
.bottle__water i:nth-child(6) { left: 66%; animation-delay: 1s; }
.bottle__line { position: absolute; left: 0; right: 0; top: 50px; border-top: 3px dashed var(--naranja); }
.bottle__label {
  position: absolute; left: 14px; right: 14px; top: 86px; padding: 12px 6px 10px;
  background: #fff; border-radius: 14px; text-align: center;
}
.bottle__label img { width: 96px; height: auto; margin: 0 auto 4px; }
.bottle__label small { font-size: .6rem; font-weight: 700; letter-spacing: .03em; white-space: nowrap; }
@keyframes rise { 0% { transform: translateY(0); opacity: 0; } 15% { opacity: 1; } 100% { transform: translateY(-180px); opacity: 0; } }

.bub { position: absolute; border-radius: 50%; }
.bub--t { width: 46px; height: 46px; background: var(--turquesa); border: 6px solid var(--azul); top: 40px; right: calc(50% - 130px); }
.bub--w { width: 30px; height: 30px; background: #fff; border: 5px solid var(--azul); top: 6px; right: calc(50% - 160px); }
.bub--o { width: 16px; height: 16px; background: var(--naranja); top: 0; right: calc(50% - 176px); }
.tablet {
  position: absolute; bottom: 16px; left: calc(50% - 160px); width: 76px; height: 30px;
  background: #fff; border: 4px solid var(--azul); border-radius: 50%;
  box-shadow: inset 0 -6px 0 rgba(27, 63, 166, .15);
}
.price-sticker {
  position: absolute; top: 120px; left: calc(50% - 170px);
  width: 98px; height: 98px; border-radius: 50%; background: var(--azul); color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-weight: 700; line-height: 1; transform: rotate(-10deg);
}
.price-sticker small { font-size: .65rem; font-weight: 500; margin-bottom: 4px; }
.price-sticker b { font-size: 1.9rem; font-weight: 800; }

/* ---------- Secciones ---------- */
.sec { padding: 56px 0; }
.sec--gray { background: var(--gris); }
.sec--dark { background: var(--texto); color: #fff; }
.sec--blue { background: var(--azul); color: #fff; }

/* Cómo funciona */
.steps { list-style: none; margin: 28px 0 36px; padding: 0; display: grid; gap: 16px; }
.step { position: relative; padding: 24px 22px 20px 22px; background: var(--gris); border-radius: var(--radio); display: grid; grid-template-columns: 64px 1fr; column-gap: 16px; align-items: center; }
.step__n {
  position: absolute; top: -10px; left: -6px; width: 36px; height: 36px; border-radius: 50%;
  background: var(--amarillo); color: var(--texto); font-weight: 800; display: grid; place-items: center;
}
.step__ico { width: 64px; height: 64px; color: var(--azul); grid-row: span 2; }
.step h3 { margin: 0; }
.step p { margin: 0; font-size: .95rem; }

.video {
  width: 100%; max-width: 340px; margin: 0 auto; aspect-ratio: 9 / 16;
  border-radius: var(--radio); overflow: hidden; background: var(--gris);
  border: 3px dashed rgba(27, 63, 166, .3);
}
.video.has-video { border: 0; background: #000; }
.video iframe, .video video { width: 100%; height: 100%; border: 0; display: block; object-fit: cover; }
.video__ph { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 14px; padding: 20px; }
.video__ph svg { width: 72px; height: 72px; }

/* Ya no más */
.nomas { display: grid; gap: 14px; margin-top: 24px; }
.nomas__card { padding: 22px; border-radius: var(--radio); background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); }
.nomas__card s { display: block; color: rgba(255, 255, 255, .6); text-decoration-color: var(--naranja); text-decoration-thickness: 3px; margin-bottom: 6px; }
.nomas__card p { margin: 0; color: var(--amarillo); font-weight: 700; font-size: 1.2rem; line-height: 1.25; }

/* Kit → repuesto */
.cycle { display: grid; gap: 8px; margin-top: 28px; justify-items: center; }
.cycle__card { width: 100%; padding: 26px 24px; border-radius: var(--radio); }
.cycle__card h3 { font-size: 1.45rem; margin-bottom: .3em; }
.cycle__card--kit { background: var(--amarillo); }
.cycle__card--refill { background: var(--gris); border: 3px solid var(--azul); }
.cycle__step { font-size: .78rem; font-weight: 700; letter-spacing: .12em; margin-bottom: 10px; color: var(--azul); }
.cycle__arrow { width: 48px; height: 48px; color: var(--azul); transform: rotate(90deg); }

/* Productos */
.prods { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; margin-top: 24px; }
.prod { position: relative; padding: 20px 18px; border-radius: var(--radio); color: var(--texto); display: flex; flex-direction: column; min-height: 190px; }
.prod h3 { font-size: 1.35rem; }
.prod p { font-size: .9rem; margin-bottom: .6em; }
.prod .price { margin-top: auto; margin-bottom: 0; font-size: 1.2rem; overflow-wrap: anywhere; }
.prod--yellow { background: var(--amarillo); }
.prod--teal { background: var(--turquesa); }
.prod--sky { background: var(--celeste); }
.prod--orange { background: var(--naranja); }
.prod--blue { background: var(--azul); color: #fff; }
.prod--wide { grid-column: 1 / -1; min-height: 0; }
.prod--wide p { font-size: 1rem; margin: 0; }
.badge { align-self: flex-start; margin-bottom: 12px; padding: 4px 12px; border-radius: 999px; background: var(--amarillo); color: var(--texto); font-size: .72rem; font-weight: 800; letter-spacing: .12em; }

.prod { min-height: 0; padding: 24px 22px; }
.prod h3 { font-size: 1.6rem; margin-bottom: .15em; }
.prod__for { font-weight: 600; font-size: 1rem !important; }
.prod__info { margin: 4px 0 12px; display: grid; gap: 8px; }
.prod__info div { background: rgba(255, 255, 255, .55); border-radius: 14px; padding: 10px 12px; }
.prod__info dt { font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.prod__info dd { margin: 0; font-size: .95rem; }
.prod__warn { font-size: .82rem !important; padding-left: 10px; border-left: 3px solid var(--texto); }
.prod .btn { margin-top: auto; align-self: flex-start; }
@media (min-width: 900px) { .prods { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.pro-list { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 10px; }
.pro-list li { padding: 12px 14px; border-radius: 16px; background: rgba(255, 255, 255, .1); font-size: .95rem; }
.pro-list b { display: block; color: var(--amarillo); }

/* Cuentas claras */
.bars { display: grid; gap: 22px; margin: 28px 0 18px; max-width: 760px; }
.bar__label { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-weight: 600; }
.bar__label b { font-weight: 800; white-space: nowrap; }
.bar__track { height: 26px; border-radius: 999px; background: var(--gris); overflow: hidden; }
.bar__fill { height: 100%; width: 0; border-radius: 999px; background: #a9b3cc; transition: width 1s cubic-bezier(.2, .8, .2, 1); }
.bar__fill--range { background: linear-gradient(90deg, #a9b3cc 0 var(--min-rel, 54%), #d3d9e8 var(--min-rel, 54%)); }
.bars.is-in .bar__fill { width: var(--max); }
.bar--eferve { padding: 16px; margin: 0 -16px; border-radius: var(--radio); background: var(--amarillo); }
.bar--eferve .bar__label { font-size: 1.15rem; color: var(--azul); }
.bar--eferve .bar__track { background: rgba(255, 255, 255, .7); }
.bar--eferve .bar__fill { background: var(--azul); }

/* PRO */
.pro { display: grid; gap: 32px; }
.pro .lead { opacity: .95; }
.stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stats li { padding: 18px 16px; border-radius: var(--radio); background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .18); }
.stats b { display: block; font-size: 1.5rem; font-weight: 800; line-height: 1.1; color: var(--amarillo); hyphens: manual; }
.stats span { font-size: .88rem; }

/* Dónde comprar + FAQ */
.two { display: grid; gap: 48px; }
.stores { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 10px; }
.stores li { padding: 16px 18px; border-radius: 18px; background: var(--gris); display: flex; flex-direction: column; }
.stores span { font-size: .9rem; opacity: .75; }
.stores__wa { background: var(--amarillo) !important; }
.small a { font-weight: 700; color: var(--azul); }

.faq { display: grid; gap: 10px; margin-top: 20px; }
.faq details { border-radius: 18px; background: var(--gris); }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 54px 18px 20px; position: relative;
  font-weight: 700; min-height: 44px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 18px; top: 50%; width: 22px; height: 22px; margin-top: -11px;
  border-radius: 50%; background: var(--azul)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 22'%3E%3Cpath d='M6 11h10M11 6v10' stroke='%23fff' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E") center/100% no-repeat;
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 20px 18px; margin: 0; }

/* Pie */
.foot { background: var(--amarillo); padding: 48px 0 110px; text-align: center; }
.foot__in { display: flex; flex-direction: column; align-items: center; }
.foot img { width: 180px; height: auto; margin-bottom: 14px; }
.foot__lema { font-weight: 700; font-size: 1.1rem; margin-bottom: 22px; }
.foot__legal { margin: 26px 0 0; font-size: .85rem; font-weight: 600; }

/* WhatsApp flotante */
.wa-float {
  position: fixed; z-index: 60; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom));
  width: 60px; height: 60px; border-radius: 50%; background: #25D366; color: #fff;
  display: grid; place-items: center; box-shadow: 0 6px 18px rgba(15, 30, 69, .3);
  transition: transform .15s;
}
.wa-float:hover { transform: scale(1.06); }
.wa-float svg { width: 34px; height: 34px; }

/* ---------- Tablet / escritorio ---------- */
@media (min-width: 640px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step { grid-template-columns: 1fr; text-align: left; padding: 28px 22px; row-gap: 8px; }
  .step__ico { grid-row: auto; }
  .nomas { grid-template-columns: 1fr 1fr; }
  .prod--wide { flex-direction: row; align-items: center; gap: 16px; flex-wrap: wrap; }
  .prod--wide .badge, .prod--wide h3 { margin: 0; }
}
@media (min-width: 900px) {
  .hero { padding: 72px 0 80px; }
  .hero__grid { grid-template-columns: 1.15fr 1fr; align-items: center; gap: 40px; }
  .hero__art { height: 440px; transform: scale(1.15); transform-origin: center bottom; }
  .sec { padding: 88px 0; }
  .nomas { grid-template-columns: repeat(4, 1fr); }
  .cycle { grid-template-columns: 1fr auto 1fr; align-items: center; gap: 20px; }
  .cycle__card { height: 100%; }
  .cycle__arrow { transform: none; width: 56px; height: 56px; }
  .pro { grid-template-columns: 1.2fr 1fr; align-items: center; gap: 56px; }
  .two { grid-template-columns: 1fr 1.2fr; gap: 64px; }
  .foot { padding-bottom: 64px; }
}

/* Planes */
.plans { display: grid; gap: 16px; margin-top: 28px; }
.plan { position: relative; display: flex; flex-direction: column; padding: 26px 24px; border-radius: var(--radio); background: var(--blanco); border: 2px solid rgba(27, 63, 166, .15); }
.plan h3 { font-size: 1.4rem; margin-bottom: .2em; }
.plan__what { font-weight: 600; margin-bottom: .6em; }
.plan__price { font-size: 2rem; font-weight: 800; line-height: 1.1; margin-bottom: .6em; overflow-wrap: anywhere; }
.plan__price small { font-size: .9rem; font-weight: 600; opacity: .7; margin-left: 2px; }
.plan__list { list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 8px; font-size: .95rem; }
.plan__list li { position: relative; padding-left: 26px; }
.plan__list li::before { content: ""; position: absolute; left: 0; top: .35em; width: 16px; height: 16px; border-radius: 50%; background: var(--turquesa); box-shadow: inset 0 0 0 4px var(--blanco); border: 2px solid var(--turquesa); box-sizing: border-box; }
.plan .btn { margin-top: auto; }
.plan--top { background: var(--azul); color: #fff; border-color: var(--azul); }
.plan--top .plan__list li::before { box-shadow: inset 0 0 0 4px var(--azul); background: var(--amarillo); border-color: var(--amarillo); }
.plan--top .badge { position: absolute; top: -13px; left: 24px; margin: 0; }
.plans__note { margin-top: 20px; max-width: 40em; }
@media (min-width: 900px) {
  .plans { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
  .plan--top { transform: translateY(-8px); }
}
@media (min-width: 1080px) {
  :root { --nav-h: 76px; }
  .nav__logo img { width: 150px; }
  .nav__toggle { display: none; }
  .nav__menu { position: static; display: flex; flex-direction: row; align-items: center; gap: 26px; padding: 0; box-shadow: none; background: none; }
  .nav__menu a:not(.btn) { padding: 6px 0; border: 0; font-size: .95rem; }
  .nav__menu a:not(.btn):hover { color: var(--azul); }
  .nav__menu .btn { margin: 0 0 0 6px; }
}

/* Precios ocultos mientras se cotiza (mostrarPrecios: false en js/config.js) */
.sin-precios .precio-only { display: none !important; }

/* ---------- Cómo funciona: video + pasos ---------- */
/* En el celular: mientras no hay video, primero los pasos; con video, el video va primero */
.como-grid { display: grid; gap: 20px; margin-top: 24px; grid-template-areas: "pasos" "video"; }
.como-grid:has(.has-video) { grid-template-areas: "video" "pasos"; }
.como-grid .video { grid-area: video; max-width: 320px; }
.como-grid .pasos { grid-area: pasos; margin: 0; }
@media (min-width: 900px) {
  .como-grid, .como-grid:has(.has-video) { grid-template-areas: "video pasos"; grid-template-columns: 300px minmax(0, 1fr); align-items: start; gap: 32px; }
  .como-grid .pasos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- Pasos animados ---------- */
.pasos { list-style: none; margin: 24px 0 8px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.paso { position: relative; background: var(--gris); border-radius: var(--radio); padding: 14px 10px 16px; text-align: center; }
.paso__n {
  position: absolute; top: 10px; left: 10px; width: 34px; height: 34px; border-radius: 50%;
  background: var(--azul); color: #fff; font-weight: 800; font-size: 1.05rem; display: grid; place-items: center;
}
.paso .anim { width: 100%; max-width: 190px; height: auto; margin: 0 auto 6px; overflow: visible; }
.paso h3 { margin: 0; font-size: 1.05rem; line-height: 1.2; }
@media (min-width: 900px) {
  .pasos { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
  .paso { padding: 20px 16px 22px; }
  .paso h3 { font-size: 1.2rem; }
}

.anim .water, .anim .marker, .anim .tab, .anim .splash, .anim .b, .anim .trig, .anim .mist, .anim .spark { transform-box: fill-box; }
/* 1 · llenar */
.anim--fill .water { animation: fillUp 4s ease-in-out infinite; }
.anim--fill .stream { animation: stream 4s linear infinite; }
.anim--fill .marker { transform-origin: center; animation: nudge 4s ease-in-out infinite; }
@keyframes fillUp { 0%, 12% { transform: translateY(100px); } 70%, 100% { transform: translateY(0); } }
@keyframes stream { 0%, 8% { opacity: 0; } 12%, 68% { opacity: 1; } 74%, 100% { opacity: 0; } }
@keyframes nudge { 0%, 70% { transform: translateX(0); } 78% { transform: translateX(-8px); } 86% { transform: translateX(0); } 94% { transform: translateX(-8px); } 100% { transform: translateX(0); } }
/* 2 · pastilla */
.anim--drop .tab { animation: drop 4s cubic-bezier(.5, 0, .7, 1) infinite; }
.anim--drop .splash { transform-origin: center bottom; animation: splash 4s ease-out infinite; }
.anim--drop .fizz { animation: fizzOn 4s linear infinite; }
@keyframes drop { 0% { transform: translateY(0); opacity: 1; } 28% { transform: translateY(100px); } 50% { transform: translateY(170px); opacity: 1; } 90% { transform: translateY(172px) scale(.4); opacity: .6; } 100% { transform: translateY(172px) scale(.3); opacity: 0; } }
@keyframes splash { 0%, 26% { opacity: 0; transform: translateY(8px) scale(.4); } 32% { opacity: 1; transform: translateY(-6px) scale(1); } 44%, 100% { opacity: 0; transform: translateY(4px) scale(.6); } }
@keyframes fizzOn { 0%, 40% { opacity: 0; } 50%, 92% { opacity: 1; } 100% { opacity: 0; } }
/* burbujas que suben (pasos 2 y 3) */
.anim .b { animation: rise2 1.4s ease-in infinite; }
.anim .b:nth-of-type(2) { animation-delay: .35s; animation-duration: 1.6s; }
.anim .b:nth-of-type(3) { animation-delay: .7s; }
.anim .b:nth-of-type(4) { animation-delay: .2s; animation-duration: 1.2s; }
.anim .b:nth-of-type(5) { animation-delay: .9s; }
@keyframes rise2 { 0% { transform: translateY(0); opacity: 0; } 15% { opacity: 1; } 90% { opacity: 1; } 100% { transform: translateY(-88px); opacity: 0; } }
/* 3 · esperar */
.anim--wait .ring { stroke-dashoffset: 150.8; animation: timer 4s linear infinite; }
@keyframes timer { 0% { stroke-dashoffset: 150.8; } 85%, 100% { stroke-dashoffset: 0; } }
/* 4 · rociar */
.anim--spray .trig { transform-origin: top center; animation: squeeze 1.4s ease-in-out infinite; }
.anim--spray .mist { animation: mist 1.4s ease-out infinite; }
.anim--spray .mist:nth-child(2) { animation-name: mist2; animation-delay: .1s; }
.anim--spray .mist:nth-child(3) { animation-name: mist3; animation-delay: .2s; }
.anim--spray .mist:nth-child(4) { animation-delay: .35s; }
.anim--spray .spark { transform-origin: center; animation: spark 2.8s ease-in-out infinite; }
.anim--spray g:nth-of-type(4) .spark { animation-delay: .6s; }
.anim--spray g:nth-of-type(5) .spark { animation-delay: 1.2s; }
@keyframes squeeze { 0%, 100% { transform: rotate(0); } 15% { transform: rotate(-14deg); } 35% { transform: rotate(0); } }
@keyframes mist { 0%, 10% { transform: translate(0, 0); opacity: 0; } 20% { opacity: 1; } 80% { transform: translate(66px, -6px); opacity: 0; } 100% { opacity: 0; } }
@keyframes mist2 { 0%, 10% { transform: translate(0, 0); opacity: 0; } 20% { opacity: 1; } 80% { transform: translate(64px, -24px); opacity: 0; } 100% { opacity: 0; } }
@keyframes mist3 { 0%, 10% { transform: translate(0, 0); opacity: 0; } 20% { opacity: 1; } 80% { transform: translate(62px, 14px); opacity: 0; } 100% { opacity: 0; } }
@keyframes spark { 0%, 20% { transform: scale(0) rotate(0); } 40% { transform: scale(1.15) rotate(45deg); } 60% { transform: scale(1) rotate(45deg); } 80%, 100% { transform: scale(0) rotate(90deg); } }

/* ---------- Guía en pantalla completa (guia.html) ---------- */
.u-top { background: var(--amarillo); padding: 14px 0 26px; text-align: center; }
.u-top__bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.u-top__bar img { width: 112px; height: auto; }
.u-top__bar a:not(:first-child) { font-size: .88rem; font-weight: 700; color: var(--azul); }
.u-top h1 { font-size: clamp(2rem, 9vw, 3.2rem); color: var(--azul); margin-bottom: .15em; }
.u-top p { font-weight: 600; margin: 0; }
.u-pasos { padding: 18px 0 8px; }
.u-pasos .pasos { margin-top: 0; }
.u-video { padding: 18px 0 8px; }
.u-video .video { border-style: solid; }
.u-repite { padding: 24px 0 40px; }
.u-repite__card { background: var(--azul); color: #fff; border-radius: var(--radio); padding: 26px 22px; display: grid; gap: 14px; align-items: center; text-align: center; justify-items: center; }
.u-repite__card h2 { font-size: clamp(1.5rem, 6vw, 2rem); margin: 0; }
.u-repite__card p { margin: 0; }
.u-repite__card .loop { width: 92px; height: 92px; }
.u-repite__more { color: #fff; font-weight: 700; font-size: .95rem; }
.u-pasos .como-grid { margin-top: 0; }
.u-foot { text-align: center; font-size: .82rem; padding: 0 0 100px; opacity: .8; }
.u-foot a { color: var(--azul); font-weight: 700; }

@media (prefers-reduced-motion: reduce) {
  .anim--drop .tab { opacity: 0; }
  .anim--wait .ring { stroke-dashoffset: 0; }
  .anim .mist, .anim .b { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .bar__fill { width: var(--max); }
}