/* =============================================================================
   Landing page — hoja de estilos única.
   Orden: tokens → base → utilidades → componentes → secciones → responsive.
   ============================================================================= */

/* ── 1. Tokens ─────────────────────────────────────────────────────────────── */
:root {
  /* Paleta */
  --cream:      #f6f1e9;
  --cream-soft: #fbf8f3;
  --white:      #ffffff;
  --ink:        #1d1d1f;
  --ink-soft:   #6e6e73;
  --ink-faint:  #a5a19b;
  --line:       rgba(29, 29, 31, .12);
  --sage:       #7d9a92;
  --sage-deep:  #5c7c73;
  --espresso:   #4c2e21;
  --black:      #0a0a0b;
  --black-soft: #16161a;
  --wa:         #25d366;
  --wa-deep:    #128c7e;

  /* Tipografía */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Métrica */
  --nav-h: 56px;
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --gutter: 24px;
  --maxw: 1160px;

  /* Sombras suaves, nunca duras */
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 4px 14px rgba(0,0,0,.05);
  --shadow: 0 2px 6px rgba(0,0,0,.05), 0 18px 48px rgba(0,0,0,.09);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.06), 0 32px 80px rgba(0,0,0,.14);

  /* Curvas de animación */
  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ── 2. Reset y base ───────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--cream-soft);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.035em; line-height: 1.06; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; transition: color .25s var(--ease), opacity .25s var(--ease); }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }

:focus-visible { outline: 2px solid var(--sage-deep); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--sage); color: #fff; }

/* ── 3. Utilidades ─────────────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: 820px; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 200;
  padding: 10px 18px; border-radius: 999px;
  background: var(--ink); color: #fff; font-size: 14px; font-weight: 600;
  transform: translateY(-160%);
  transition: transform .25s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.eyebrow {
  font-size: .8125rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--sage-deep);
}

.lead { font-size: 1.1875rem; color: var(--ink-soft); line-height: 1.5; }

/* Aparición al hacer scroll — el JS añade .is-in */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: calc(var(--reveal-delay, 0) * 90ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ── 4. Botones ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 1rem; font-weight: 600; letter-spacing: -.01em;
  white-space: nowrap; cursor: pointer;
  transition: transform .25s var(--ease), background .25s var(--ease),
              color .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--dark  { background: var(--ink); color: #fff; box-shadow: var(--shadow-sm); }
.btn--dark:hover  { background: #000; box-shadow: var(--shadow); }

.btn--light { background: var(--cream); color: var(--ink); box-shadow: var(--shadow-sm); }
.btn--light:hover { background: #fff; }

.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(255,255,255,.6); }

.btn--wa { background: var(--wa-deep); color: #fff; box-shadow: var(--shadow); }
.btn--wa:hover { background: #0f7a6d; }

.btn--sm { padding: 9px 18px; font-size: .9375rem; }
.btn--lg { padding: 17px 34px; font-size: 1.0625rem; }
.btn--wide { width: 100%; }

.icon-arrow { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.btn:hover .icon-arrow { transform: translateX(3px); }
.icon-wa { width: 19px; height: 19px; flex: none; }

/* ── 5. Navegación ─────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251, 248, 243, .78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--line); }

.nav__inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 0 var(--gutter);
  min-height: var(--nav-h);
  display: flex; align-items: center; gap: 16px;
}

.brand { display: inline-flex; align-items: center; gap: 13px; margin-right: auto; }
.brand__logo { height: 21px; width: auto; flex: none; }
.brand__name { font-size: .9375rem; font-weight: 700; letter-spacing: -.015em; }
.brand__tag {
  font-size: .75rem; color: var(--ink-soft);
  padding-left: 13px;
  border-left: 1px solid var(--line);
  line-height: 1.2;
}

.nav__links { display: flex; align-items: center; gap: 28px; }
.nav__links > a { font-size: .9375rem; font-weight: 500; color: var(--ink-soft); }
.nav__links > a:hover { color: var(--ink); }
.nav__cta { color: #fff !important; }

.nav__toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav__bar {
  display: block; width: 19px; height: 1.6px; border-radius: 2px;
  background: var(--ink);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.nav__toggle[aria-expanded="true"] .nav__bar:first-child { transform: translateY(3.3px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__bar:last-child  { transform: translateY(-3.3px) rotate(-45deg); }

/* ── 6. Hero ───────────────────────────────────────────────────────────────── */
.hero {
  position: relative; isolation: isolate;
  padding: clamp(56px, 9vw, 104px) 0 clamp(72px, 10vw, 120px);
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-soft) 100%);
  text-align: center;
  overflow: hidden;
}
.hero__glow {
  position: absolute; inset: -20% -10% auto; height: 70%;
  z-index: -1;
  background: radial-gradient(60% 60% at 50% 30%, rgba(125,154,146,.28), transparent 70%);
  filter: blur(10px);
}
/* Una columna en móvil; texto + carrusel a partir de 861px (ver responsive). */
.hero__inner { display: grid; gap: clamp(36px, 5vw, 64px); justify-items: center; }
.hero__copy { display: flex; flex-direction: column; align-items: center; gap: 22px; }

/* El logotipo es un wordmark sobre fondo transparente: va suelto, sin tarjeta. */
.hero__logo { width: clamp(220px, 42vw, 380px); }
.hero__logo img { width: 100%; }

/* ── Carrusel del hero ─────────────────────────────────────────────────────── */
.hero__slider { width: 100%; max-width: 460px; }

.hero__stage {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--cream-soft);
  box-shadow: var(--shadow-lg);
}

/* Las tres fotos se apilan y sólo cambia la opacidad: sin saltos de layout. */
.hero__slide {
  position: absolute; inset: 0;
  opacity: 0;
  transition: opacity .9s var(--ease);
  pointer-events: none;
}
.hero__slide.is-active { opacity: 1; pointer-events: auto; }

/* Los flyers son composiciones completas, con titular y precio: se muestran
   enteros (contain) en vez de recortarse al marco. Como cada uno tiene una
   proporción distinta, el sobrante se ve como fondo del marco. */
.hero__slide img { width: 100%; height: 100%; object-fit: contain; }

.hero__slide-label {
  position: absolute; left: 16px; bottom: 16px;
  padding: 8px 17px; border-radius: 999px;
  background: rgba(251, 248, 243, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: .8125rem; font-weight: 700; letter-spacing: -.01em;
  box-shadow: var(--shadow-sm);
  transition: transform .25s var(--ease);
}
.hero__slide:hover .hero__slide-label { transform: translateY(-2px); }

.hero__dots { display: flex; justify-content: center; gap: 8px; margin-top: 16px; }
.hero__dot {
  width: 8px; height: 8px; padding: 0;
  border-radius: 999px;
  background: rgba(29, 29, 31, .2);
  transition: width .3s var(--ease), background .3s var(--ease);
}
.hero__dot:hover { background: rgba(29, 29, 31, .38); }
.hero__dot.is-active { width: 26px; background: var(--sage-deep); }

.hero__title {
  font-size: clamp(2.75rem, 8.2vw, 5rem);
  letter-spacing: -.045em;
  max-width: 14ch;
}
.hero__title em { font-style: normal; color: var(--sage-deep); display: block; }

.hero__lead { max-width: 56ch; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

.hero__badges {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  margin-top: 6px;
}
.hero__badges li {
  padding: 7px 15px; border-radius: 999px;
  background: rgba(255,255,255,.75);
  border: 1px solid var(--line);
  font-size: .8125rem; font-weight: 600; color: var(--ink-soft);
}

.hero__scroll { display: flex; justify-content: center; margin-top: clamp(28px, 5vw, 52px); }
.hero__scroll span {
  width: 22px; height: 36px; border-radius: 999px;
  border: 1.6px solid var(--ink-faint);
  position: relative;
}
.hero__scroll span::after {
  content: ""; position: absolute; left: 50%; top: 8px;
  width: 3px; height: 7px; border-radius: 2px;
  background: var(--ink-faint);
  transform: translateX(-50%);
  animation: scrollHint 1.9s var(--ease) infinite;
}
@keyframes scrollHint {
  0%, 100% { opacity: 0; transform: translate(-50%, 0); }
  35%      { opacity: 1; transform: translate(-50%, 3px); }
  70%      { opacity: 0; transform: translate(-50%, 12px); }
}

/* ── 7. Secciones ──────────────────────────────────────────────────────────── */
.section { padding: clamp(64px, 9vw, 116px) 0; }
.section--cream { background: var(--cream); }
.section--light { background: var(--cream-soft); }
.section--dark  { background: var(--black-soft); color: var(--cream); }
.section--dark .lead,
.section--dark .product__desc { color: rgba(246,241,233,.72); }
.section--dark .eyebrow { color: var(--sage); }

.section__head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 60px); display: grid; gap: 12px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__title { font-size: clamp(2rem, 4.6vw, 3.25rem); }

/* ── 8. Producto ───────────────────────────────────────────────────────────── */
.product {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 64px);
  align-items: start;
}
.product--reverse .product__media { order: 2; }

/* Galería */
.gallery__stage {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}
.gallery__stage--dark { background: #0d0d10; }
.gallery__stage img { width: 100%; height: 100%; object-fit: cover; transition: opacity .18s var(--ease); }
.gallery__stage.is-swapping img { opacity: 0; }

.gallery__thumbs { display: flex; gap: 12px; margin-top: 14px; }
.thumb {
  flex: 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border: 2px solid transparent;
  opacity: .62;
  transition: opacity .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  padding: 0;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { opacity: .9; transform: translateY(-2px); }
.thumb.is-active { opacity: 1; border-color: var(--sage-deep); }

/* Ficha */
.product__info { display: grid; gap: 22px; padding-top: 4px; }

.promo {
  justify-self: start;
  padding: 8px 17px; border-radius: 999px;
  background: var(--espresso); color: var(--cream);
  font-size: .8125rem; font-weight: 700;
  letter-spacing: .02em;
}
.promo--light { background: var(--cream); color: var(--ink); }

.product__desc { font-size: 1.0625rem; color: var(--ink-soft); }

.options { display: grid; gap: 11px; }
.options__label { font-size: .8125rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.options__hint { font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--ink-faint); }
.section--dark .options__hint { color: rgba(246,241,233,.55); }

.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  padding: 9px 17px; border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.6);
  font-size: .9375rem; font-weight: 500;
  transition: all .22s var(--ease);
}
.chip:hover { border-color: var(--ink-faint); }
.chip.is-active { background: var(--ink); color: #fff; border-color: var(--ink); font-weight: 600; }
.section--dark .chip { background: rgba(255,255,255,.07); border-color: rgba(246,241,233,.18); }
.section--dark .chip.is-active { background: var(--cream); color: var(--ink); border-color: var(--cream); }

.swatches { display: flex; flex-wrap: wrap; gap: 11px; }
.swatch {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--tone, #ccc);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.14);
  position: relative;
  transition: transform .22s var(--ease);
  padding: 0;
}
.swatch:hover { transform: scale(1.08); }
.swatch.is-active::after {
  content: ""; position: absolute; inset: -5px;
  border-radius: 50%;
  border: 2px solid var(--sage-deep);
}
.section--dark .swatch { box-shadow: inset 0 0 0 1px rgba(255,255,255,.22); }
.section--dark .swatch.is-active::after { border-color: var(--cream); }

.specs { display: grid; gap: 8px; }
.specs li {
  position: relative; padding-left: 26px;
  font-size: .9375rem; color: var(--ink-soft);
}
.specs li::before {
  content: ""; position: absolute; left: 4px; top: .52em;
  width: 9px; height: 5px;
  border-left: 1.9px solid var(--sage-deep);
  border-bottom: 1.9px solid var(--sage-deep);
  transform: rotate(-45deg);
}
.section--dark .specs li { color: rgba(246,241,233,.72); }
.section--dark .specs li::before { border-color: var(--sage); }

.buybox {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.section--dark .buybox { border-top-color: rgba(246,241,233,.16); }
.buybox .btn { flex: 1 1 220px; }

.price { display: grid; gap: 1px; min-width: 130px; }
.price__from { font-size: .75rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-faint); }
.section--dark .price__from { color: rgba(246,241,233,.55); }
.price__value { font-size: 1.625rem; font-weight: 700; letter-spacing: -.03em; }
.price__value--sm { font-size: 1.0625rem; letter-spacing: -.01em; }

/* ── 9. Beneficios ─────────────────────────────────────────────────────────── */
.benefits {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}
.benefit {
  display: grid; gap: 11px;
  padding: 30px 26px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.benefit:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.benefit__icon { width: 32px; height: 32px; color: var(--sage-deep); }
.benefit h3 { font-size: 1.125rem; }
.benefit p { font-size: .9375rem; color: var(--ink-soft); }

/* ── 10. Pasos ─────────────────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  counter-reset: step;
}
.step { display: grid; gap: 10px; }
.step__num {
  font-size: 2.75rem; font-weight: 700;
  letter-spacing: -.05em;
  color: var(--sage);
  line-height: 1;
}
.step h3 { font-size: 1.1875rem; }
.step p { font-size: .9375rem; color: var(--ink-soft); }

/* ── 11. Preguntas ─────────────────────────────────────────────────────────── */
.faq {
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq__item + .faq__item { border-top: 1px solid var(--line); }
.faq__item summary {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 24px;
  font-size: 1.0625rem; font-weight: 600;
  cursor: pointer;
  list-style: none;
  transition: background .25s var(--ease);
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary:hover { background: rgba(125,154,146,.07); }
.faq__item summary::after {
  content: ""; margin-left: auto; flex: none;
  width: 9px; height: 9px;
  border-right: 1.9px solid var(--ink-faint);
  border-bottom: 1.9px solid var(--ink-faint);
  transform: rotate(45deg) translateY(-2px);
  transition: transform .3s var(--ease);
}
.faq__item[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.faq__item em { font-style: italic; }
.faq__body { padding: 0 24px 22px; }
.faq__body p { font-size: .9375rem; color: var(--ink-soft); max-width: 68ch; }

/* ── 12. CTA final ─────────────────────────────────────────────────────────── */
.cta {
  padding: clamp(66px, 9vw, 112px) 0;
  background: var(--black);
  color: var(--cream);
  text-align: center;
}
.cta__inner { display: grid; gap: 20px; justify-items: center; }
.cta__title { font-size: clamp(2rem, 5vw, 3.25rem); }
.cta .lead { color: rgba(246,241,233,.72); max-width: 52ch; }
.cta__note { font-size: .8125rem; color: rgba(246,241,233,.5); }

/* ── 13. Footer ────────────────────────────────────────────────────────────── */
.footer { background: var(--cream); padding: clamp(46px, 6vw, 72px) 0 28px; }
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: clamp(28px, 4vw, 56px);
}
.footer__nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.footer__nav h3 { font-size: .8125rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 12px; }
.footer__nav a, .footer__meta { display: block; font-size: .9375rem; color: var(--ink-soft); margin-bottom: 7px; }
.footer__nav a:hover { color: var(--ink); }
.brand--footer { align-items: flex-start; flex-direction: column; gap: 10px; }
.brand--footer .brand__logo { height: 30px; }
.brand--footer .brand__tag { padding-left: 0; border-left: 0; }

.footer__legal {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
}
.footer__legal p { font-size: .8125rem; color: var(--ink-faint); }

/* ── 14. Botón flotante ────────────────────────────────────────────────────── */
.fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 90;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 20px;
  border-radius: 999px;
  background: var(--wa); color: #06251a;
  font-size: .9375rem; font-weight: 700;
  box-shadow: 0 6px 22px rgba(37,211,102,.4);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.fab:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(37,211,102,.5); }
.fab svg { width: 21px; height: 21px; }

/* ── 15. Avisos (sin JS / sin datos) ───────────────────────────────────────── */
.fallback, .notice {
  max-width: 640px;
  margin: 12vh auto; padding: 36px var(--gutter);
  text-align: center; display: grid; gap: 14px;
}
.notice h1, .fallback h1 { font-size: 1.75rem; }
.notice p, .fallback p { color: var(--ink-soft); font-size: .9375rem; }
.notice code {
  display: inline-block;
  padding: 10px 16px; border-radius: 10px;
  background: var(--cream); border: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .875rem;
}

/* Marco de reemplazo cuando una foto todavía no existe en assets/img */
.is-missing {
  background: linear-gradient(135deg, var(--cream) 0%, #ece4d8 100%);
  position: relative;
}
.is-missing img { opacity: 0; }
.is-missing::after {
  content: attr(data-placeholder);
  position: absolute; inset: 0;
  display: grid; place-content: center;
  padding: 18px; text-align: center;
  font-size: .8125rem; font-weight: 600; color: var(--ink-faint);
  letter-spacing: .02em;
}

/* ── 16. Responsive ────────────────────────────────────────────────────────── */
/* A partir de aquí el hero se abre en dos columnas: texto a la izquierda y
   carrusel a la derecha. Por debajo queda apilado y centrado. */
@media (min-width: 861px) {
  .hero { text-align: left; }
  .hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 430px);
    align-items: center;
    justify-items: start;
  }
  .hero__copy { align-items: flex-start; }
  .hero__title { max-width: 12ch; }
  .hero__lead { max-width: 46ch; }
  .hero__actions, .hero__badges { justify-content: flex-start; }
}

@media (max-width: 1000px) {
  .benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .product, .product--reverse { grid-template-columns: 1fr; }
  .product--reverse .product__media { order: 0; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .footer__inner { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --gutter: 20px; }

  .nav__toggle { display: flex; }
  .nav .brand__tag { display: none; }   /* en móvil basta el logotipo */
  .nav__links {
    position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 14px var(--gutter) 22px;
    background: var(--cream-soft);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    opacity: 0; visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .nav__links.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav__links > a { padding: 11px 4px; font-size: 1.0625rem; }
  .nav__cta { justify-content: center; margin-top: 8px; }

  .benefits { grid-template-columns: 1fr; }
  .buybox .btn { flex: 1 1 100%; }
  .fab__label { display: none; }
  .fab { padding: 15px; }
  .footer__nav { grid-template-columns: 1fr; gap: 20px; }
}

/* ── 17. Preferencias del sistema ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .nav, .fab, .hero__scroll, .gallery__thumbs { display: none !important; }
  body { background: #fff; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}