/* =========================================================
   NUVEÉ — Design system
   ========================================================= */

@font-face {
  font-family: 'Aeonik';
  src: url('../fonts/Aeonik-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Aeonik';
  src: url('../fonts/Aeonik-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Aeonik';
  src: url('../fonts/Aeonik-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand palette (extracted from Nuveé packaging + web mockup) */
  --c-black: #231F20;
  --c-white: #FFFFFF;
  --c-bg-alt: #F4F4F4;
  --c-line: #E3E1E0;

  --c-energy: #F0374C;
  --c-hair:   #BF8B42;
  --c-detox:  #82D3A6;
  --c-skin:   #699AD8;

  --font-display: 'Aeonik', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --container: 1200px;
  --gap: clamp(20px, 4vw, 64px);
  --radius: 14px;
  --gutter: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* reserva siempre el hueco de la barra de scroll: evita que la cabecera se desplace al cambiar de página */
html { overflow-y: scroll; scrollbar-gutter: stable; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

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

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  background: var(--c-black);
  color: var(--c-white);
  padding: 12px 20px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 500;
  transition: top .2s ease;
}
.skip-link:focus {
  top: 16px;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-black);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

p { margin: 0; }

ul { margin: 0; padding: 0; list-style: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding-block: clamp(56px, 8vw, 110px);
}

.section--tight { padding-block: clamp(32px, 5vw, 56px); }

.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.6vw, 20px);
  letter-spacing: 0.02em;
  text-align: center;
  text-transform: uppercase;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 34px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity .2s ease, transform .2s ease;
}
.btn:hover { opacity: .82; }
.btn--dark { background: var(--c-black); color: var(--c-white); }
.btn--outline { background: transparent; color: var(--c-black); border-color: var(--c-black); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--c-line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 20px;
}
.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  gap: 40px;
  font-size: 15px;
}
.nav-links a { position: relative; padding: 4px 0; }
/* Enlaces principales: hover en negrita y algo más grande; subrayado solo en la sección activa */
.nav-links .nav-link {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 400;
  transform-origin: center;
  transition: transform .2s ease;
}
/* reserva el ancho de la versión en negrita para que el menú no se mueva */
.nav-links .nav-link::after {
  content: attr(data-label);
  font-weight: 700;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  pointer-events: none;
}
.nav-links .nav-link:hover,
.nav-links .nav-link:focus-visible,
.nav-item--mega:hover > .nav-link,
.nav-item--mega:focus-within > .nav-link {
  font-weight: 700;
  transform: scale(1.08);
}
.nav-links .nav-link[aria-current="page"] { text-decoration: underline; text-underline-offset: 6px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-black);
  margin: 5px 0;
  transition: transform .2s ease, opacity .2s ease;
}

/* Sin animaciones del menú mientras la página carga (evita el salto al navegar) */
.nav-preload .nav-link,
.nav-preload .mega-menu { transition: none !important; }

/* Navegación sin recarga: el submenú se cierra al elegir y el contenido entra con un fundido breve */
.nav-item--mega.is-closed .mega-menu { opacity: 0 !important; visibility: hidden !important; transition: none !important; }
main.page-enter { animation: page-enter .22s ease-out; }
@keyframes page-enter { from { opacity: 0; } to { opacity: 1; } }
main:focus { outline: none; }

/* ---------- Submenú de productos ---------- */
.nav-item--mega { display: flex; align-items: center; }
.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--c-white);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  box-shadow: 0 24px 40px -24px rgba(35,31,32,.18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s;
}
/* puente invisible para no perder el hover al bajar el ratón */
.mega-menu::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: 100%;
  height: 22px;
}
.nav-item--mega:hover .mega-menu,
.nav-item--mega:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}
.mega-menu__inner {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 32px;
  padding-bottom: 36px;
}
.mega-menu__eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #9a9694;
  margin-bottom: 10px;
}
.mega-menu__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.2;
  margin-bottom: 20px;
}
.nav-links .mega-menu__all {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  border-bottom: 1px solid currentColor;
  padding: 0 0 2px;
}
.nav-links .mega-menu__all:hover { text-decoration: none; opacity: .7; }
.mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.nav-links .mega-card {
  display: flex;
  flex-direction: column;
  padding: 0;
}
.nav-links .mega-card:hover { text-decoration: none; }
.mega-card__img {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 190px;
  background: var(--c-bg-alt);
  border-radius: 12px;
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
}
.mega-card__img::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.mega-card__img img {
  height: 150px;
  width: auto;
  transition: transform .35s ease;
}
.mega-card:hover .mega-card__img img,
.mega-card:focus-visible .mega-card__img img { transform: translateY(-4px) scale(1.04); }
.mega-card:hover .mega-card__img::after,
.mega-card:focus-visible .mega-card__img::after { transform: scaleX(1); }
.mega-card__name { font-family: var(--font-display); font-weight: 700; font-size: 15px; }
.mega-card__tag { font-size: 13px; color: var(--accent); font-weight: 500; }
.mega-card--energy { --accent: var(--c-energy); }
.mega-card--hair { --accent: var(--c-hair); }
.mega-card--detox { --accent: #4fae7b; }
.mega-card--skin { --accent: var(--c-skin); }

/* ---------- Hero ---------- */
.hero-banner {
  position: relative;
  margin: 0 auto;
  max-width: 1400px;
  padding: 0 var(--gutter);
}
.hero-banner__frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/7;
}
.hero-banner__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-banner__label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  letter-spacing: 0.4em;
  font-size: clamp(13px, 1.6vw, 20px);
  text-transform: uppercase;
  text-shadow: 0 1px 8px rgba(0,0,0,.25);
}

/* ---------- Product intro grid (home) ---------- */
.formula-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: var(--gap);
}
.formula-card {
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.formula-card svg { width: 72px; height: 72px; }
.formula-card--energy { background: var(--c-energy); }
.formula-card--hair { background: var(--c-hair); }
.formula-card--detox { background: var(--c-detox); }
.formula-card--skin { background: var(--c-skin); }
.formula-card--product {
  background: var(--c-bg-alt);
  padding: 20px;
}
.formula-card--product img { max-width: 200px; margin: 0 auto; }

.formula-labels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 40px;
}
.formula-labels h4, .formula-labels h3 { font-size: 19px; margin-bottom: 4px; }
.formula-labels .tag { font-weight: 500; font-size: 14px; margin-bottom: 18px; display: block; }
.formula-labels .tag--energy { color: var(--c-energy); }
.formula-labels .tag--hair { color: var(--c-hair); }
.formula-labels .tag--detox { color: var(--c-detox); }
.formula-labels .tag--skin { color: var(--c-skin); }
.ingredient-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
}

/* Tarjetas con volteo horizontal, de derecha a izquierda (home) */
.flip-card {
  display: block;
  cursor: pointer;
  position: relative;
  min-height: 320px;
  perspective: 1200px;
}
.flip-card__inner {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform .7s cubic-bezier(.4, .2, .2, 1);
}
.flip-card:hover .flip-card__inner { transform: rotateY(-180deg); }
.flip-card__face {
  position: absolute;
  inset: 0;
  min-height: 0;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
}
.flip-card__face--back { transform: rotateY(180deg); }
.flip-card .formula-card--product img { max-height: 100%; width: auto; }

/* ---------- Split / feature rows ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  align-items: center;
}
.split img { border-radius: var(--radius); width: 100%; }
.split h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 18px; }
.split p + p { margin-top: 14px; }
.split .text-block p { color: #4b4747; font-size: 15.5px; }

/* ---------- ¿Qué fórmula necesitas? (home) ---------- */
.finder .why-title { margin-bottom: 40px; }
.finder__list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.finder__item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  height: 100%;
  padding: 26px 28px;
  border-radius: var(--radius);
  background: var(--c-bg-alt);
  border-left: 5px solid var(--accent);
  transition: transform .25s ease, box-shadow .25s ease;
}
.finder__item:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -18px rgba(35,31,32,.35); }
.finder__need { grid-column: 1; font-family: var(--font-display); font-weight: 700; font-size: 18px; line-height: 1.3; }
.finder__answer { grid-column: 1; font-size: 15px; color: #4b4747; }
.finder__answer strong { display: block; color: var(--accent-ink, var(--accent)); font-family: var(--font-display); font-weight: 500; margin-bottom: 2px; }
.finder__arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-size: 22px; transition: transform .25s ease; }
.finder__item:hover .finder__arrow { transform: translateX(4px); }
.finder__item--energy { --accent: var(--c-energy); }
.finder__item--hair { --accent: var(--c-hair); }
.finder__item--detox { --accent: var(--c-detox); --accent-ink: #3a9a66; }
.finder__item--skin { --accent: var(--c-skin); }

/* CTA en fichas de producto */
.product-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 26px; }
.product-cta__link { font-family: var(--font-display); font-weight: 500; font-size: 15px; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.product-cta__link:hover { opacity: .7; }

/* ---------- Pills (¿Por qué Nuveé?) ---------- */
.why-title {
  font-size: clamp(30px, 5vw, 48px);
  text-align: center;
  margin-bottom: 56px;
}
.pill-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  max-width: 980px;
  margin: 0 auto;
}
.pill {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(14px, 1.6vw, 17px);
  color: #fff;
  padding: 20px 30px;
  border-radius: 999px;
  transform: rotate(var(--r, 0deg));
}
.pill--1 { background: var(--c-energy); --r: -3deg; }
.pill--2 { background: var(--c-hair); --r: 2deg; }
.pill--3 { background: var(--c-skin); --r: -2deg; }
.pill--4 { background: var(--c-detox); --r: 3deg; }

/* Pills con explicación emergente */
.pill {
  position: relative;
  cursor: help;
  outline: none;
  transition: transform .35s cubic-bezier(.34, 1.56, .64, 1), box-shadow .3s ease;
}
.pill:hover,
.pill:focus-visible,
.pill.is-open {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 0 10px 24px -10px rgba(35,31,32,.45);
  z-index: 5;
  animation: pill-jelly .55s ease;
}
@keyframes pill-jelly {
  0%   { transform: rotate(var(--r, 0deg)) scale(1, 1); }
  30%  { transform: rotate(0deg) translateY(-4px) scale(1.12, .9); }
  50%  { transform: rotate(0deg) translateY(-4px) scale(.94, 1.08); }
  70%  { transform: rotate(0deg) translateY(-4px) scale(1.04, .97); }
  100% { transform: rotate(0deg) translateY(-4px) scale(1, 1); }
}
.pill__tip {
  --shift: 0px;
  position: absolute;
  left: 50%;
  bottom: calc(100% + 16px);
  width: max-content;
  max-width: min(290px, calc(100vw - 32px));
  padding: 16px 18px 17px;
  background: var(--c-white);
  color: #4b4747;
  border-radius: 16px;
  border-top: 4px solid var(--tip, var(--c-black));
  box-shadow: 0 18px 40px -12px rgba(35,31,32,.28), 0 2px 6px rgba(35,31,32,.06);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
  white-space: normal;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translate(calc(-50% + var(--shift)), 10px) scale(.6) rotate(-4deg);
  transform-origin: 50% 100%;
  transition: opacity .2s ease, visibility 0s linear .2s, transform .2s ease;
}
.pill__tip strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-black);
}
.pill__tip::after {
  content: '';
  position: absolute;
  left: calc(50% - var(--shift));
  top: 100%;
  width: 14px;
  height: 14px;
  background: var(--c-white);
  transform: translate(-50%, -7px) rotate(45deg);
  border-radius: 0 0 3px 0;
  box-shadow: 3px 3px 6px -2px rgba(35,31,32,.12);
}
.pill:hover .pill__tip,
.pill:focus-visible .pill__tip,
.pill.is-open .pill__tip {
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
  animation: tip-pop .5s cubic-bezier(.34, 1.56, .64, 1) forwards;
}
@keyframes tip-pop {
  0%   { opacity: 0; transform: translate(calc(-50% + var(--shift)), 14px) scale(.55) rotate(-6deg); }
  55%  { opacity: 1; transform: translate(calc(-50% + var(--shift)), -4px) scale(1.04) rotate(2deg); }
  78%  { transform: translate(calc(-50% + var(--shift)), 1px) scale(.98) rotate(-1deg); }
  100% { opacity: 1; transform: translate(calc(-50% + var(--shift)), 0) scale(1) rotate(0); }
}
.pill.tip-below .pill__tip {
  bottom: auto;
  top: calc(100% + 16px);
  border-top: none;
  border-bottom: 4px solid var(--tip, var(--c-black));
  transform-origin: 50% 0;
}
.pill.tip-below .pill__tip::after {
  top: auto;
  bottom: 100%;
  transform: translate(-50%, 7px) rotate(225deg);
}
.pill--1 .pill__tip { --tip: var(--c-energy); }
.pill--2 .pill__tip { --tip: var(--c-hair); }
.pill--3 .pill__tip { --tip: var(--c-skin); }
.pill--4 .pill__tip { --tip: var(--c-detox); }

/* ---------- Product detail page ---------- */
.product-block { padding-block: clamp(56px,8vw,100px); }
.product-block:not(:last-of-type) { border-bottom: 1px solid var(--c-line); }
.product-block__top {
  display: grid;
  grid-template-columns: 520px 1fr 1fr;
  gap: var(--gap);
  align-items: start;
}
.product-block__box img { width: 100%; }
/* productos.html: resumen en dos columnas (imagen + texto) */
.product-block--summary .product-block__top { grid-template-columns: 520px 1fr; }
.product-block--summary .product-block__intro { max-width: 560px; }
.product-block__intro { margin-top: 100px; }
.ingredient-detail { margin-top: 100px; }
.product-block__intro h2 { font-size: clamp(26px, 3vw, 36px); margin-bottom: 14px; }
.product-block__intro .tagline { font-weight: 500; }
.product-block__intro p.desc { margin-top: 16px; color: #4b4747; font-size: 15.5px; }
.ingredient-detail h3 { font-family: var(--font-display); font-size: 18px; margin-bottom: 20px; }
.ingredient-detail dl { margin: 0; }
.ingredient-detail dt {
  font-weight: 500;
  font-size: 15px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
  margin-top: 16px;
}
.ingredient-detail dt:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.ingredient-detail dd { margin: 4px 0 0; font-size: 14.5px; color: #4b4747; }

.product-block__mid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: 56px;
}
.product-block__mid h3 { font-size: 17px; margin-bottom: 12px; }
.product-block__mid p + p, .product-block__mid p + ul { margin-top: 10px; }
.product-block__mid p, .product-block__mid li { font-size: 15px; color: #4b4747; }
.product-block__mid ul li { padding-left: 16px; position: relative; margin-bottom: 6px; }
.product-block__mid ul li::before {
  content: '•';
  position: absolute; left: 0;
}

.banner-photo {
  position: relative;
  margin-top: 56px;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 21/8;
}
.banner-photo img { width: 100%; height: 100%; object-fit: cover; }
.banner-photo span {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%,-50%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 42px);
  text-shadow: 0 2px 14px rgba(0,0,0,.25);
  white-space: nowrap;
}

/* Firma de producto sobre la foto */
.banner-photo__sign {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 24px;
  text-align: center;
  color: #fff;
  text-shadow: 0 2px 14px rgba(0,0,0,.3);
}
.banner-photo__sign span {
  position: static;
  transform: none;
  white-space: normal;
}
.banner-photo__sign .banner-photo__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 16px);
  letter-spacing: 0.3em;
  text-transform: uppercase;
}
.banner-photo__sign span[lang] {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.1;
}

.from-within {
  text-align: center;
  padding-block: clamp(60px,8vw,100px);
}
.from-within .eyebrow { margin-bottom: 24px; color: #9a9694; }
.from-within p.lead {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 30px);
  max-width: 760px;
  margin: 0 auto 28px;
  font-weight: 500;
}
.from-within p.cta { font-weight: 700; font-family: var(--font-display); font-size: 18px; }

/* Color de acento por producto */
.product-block--energy { --accent: var(--c-energy); }
.product-block--hair   { --accent: var(--c-hair); }
.product-block--detox  { --accent: var(--c-detox); }
.product-block--skin   { --accent: var(--c-skin); }

.product-block__intro p.desc + p.desc { margin-top: 12px; }
.ingredient-detail__lead { font-size: 15px; color: #4b4747; margin: -8px 0 20px; }

/* Claves + composición */
.product-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gap);
  margin-top: 64px;
  padding-top: 56px;
  border-top: 1px solid var(--c-line);
}
.product-facts h3 { font-size: 18px; margin-bottom: 22px; }

.key-list { margin: 0; padding: 0; list-style: none; counter-reset: key; }
.key-list li {
  counter-increment: key;
  position: relative;
  padding: 14px 0 14px 52px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.35;
  border-bottom: 1px solid var(--c-line);
}
.key-list li:first-child { padding-top: 4px; }
.key-list li::before {
  content: counter(key);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent, var(--c-black));
  color: var(--c-black);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.key-list li:first-child::before { top: calc(50% - 5px); }

.nutri-table-wrap { overflow-x: auto; }
.nutri-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  border-top: 3px solid var(--accent, var(--c-black));
}
.nutri-table th, .nutri-table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
}
.nutri-table th:first-child, .nutri-table td:first-child { padding-left: 0; }
.nutri-table thead th {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  color: #6b6767;
  background: var(--c-bg-alt);
  padding-top: 12px;
}
.nutri-table thead th:first-child { padding-left: 10px; }
.nutri-table tbody th { font-weight: 500; color: var(--c-black); }
.nutri-table td { color: #4b4747; white-space: nowrap; }
.nutri-table td.vrn { font-family: var(--font-display); font-weight: 700; color: var(--c-black); text-align: right; }
.nutri-table thead th:last-child { text-align: right; }
.nutri-note { margin-top: 12px; font-size: 13px; color: #6b6767; }

.product-claim {
  margin-top: 64px;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}
.product-claim + .banner-photo { margin-top: 36px; }
.product-block > .product-claim:first-child { margin-top: 0; }
.banner-photo--lead + .product-block__top { margin-top: 56px; }
.section--tight + .product-block { padding-top: 8px; }

/* Enlace a ficha (productos.html) */
.product-link { margin-top: 22px; }
.product-link a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 15px;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.product-link a:hover { opacity: .7; }

/* Ficha de producto */
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; font-size: 14px; color: #6b6767; }
.breadcrumb li + li::before { content: '/'; margin-right: 8px; color: #b3afad; }
.breadcrumb a:hover { color: var(--c-black); text-decoration: underline; text-underline-offset: 4px; }
.breadcrumb [aria-current] { color: var(--c-black); font-weight: 500; }
.product-block__intro h1 { font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 14px; }

.related { padding-top: clamp(56px,8vw,100px); border-top: 1px solid var(--c-line); }
.related .eyebrow { margin-bottom: 40px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { display: flex; flex-direction: column; gap: 6px; }
.related-card__img {
  display: flex; align-items: center; justify-content: center;
  background: var(--c-bg-alt);
  border-radius: var(--radius);
  aspect-ratio: 4/5;
  margin-bottom: 14px;
  border-bottom: 4px solid var(--accent);
  transition: transform .3s ease;
}
.related-card__img img { max-width: 52%; }
.related-card:hover .related-card__img { transform: translateY(-4px); }
.related-card__name { font-family: var(--font-display); font-weight: 700; font-size: 19px; }
.related-card__tag { font-size: 14.5px; color: #4b4747; }
.related-card--energy { --accent: var(--c-energy); }
.related-card--hair { --accent: var(--c-hair); }
.related-card--detox { --accent: var(--c-detox); }
.related-card--skin { --accent: var(--c-skin); }
.related-all { text-align: center; margin-top: 48px; }
.formula-labels h3 a:hover, .formula-labels h4 a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* FAQ de las fichas de producto */
.product-faq {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--gap);
  padding-block: clamp(56px, 8vw, 100px);
  border-top: 1px solid var(--c-line);
}
.product-faq__eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: #9a9694;
  margin-bottom: 10px;
}
.product-faq h2 { font-size: clamp(26px, 3vw, 36px); }
.faq-item { border-bottom: 1px solid var(--c-line); }
.faq-item:first-child { border-top: 1px solid var(--c-line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 22px 56px 22px 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.35;
  transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #5d5859; }
.faq-item summary::before,
.faq-item summary::after {
  content: '';
  position: absolute;
  right: 12px;
  top: 50%;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-black);
  transition: transform .3s ease, background .3s ease;
}
.faq-item summary::after { transform: rotate(90deg); }
.faq-item[open] summary::after { transform: rotate(0deg); }
.faq-item[open] summary::before,
.faq-item[open] summary::after { background: var(--faq-accent, var(--c-black)); }
.faq-item summary:focus-visible { outline: 2px solid var(--c-black); outline-offset: 4px; border-radius: 4px; }
.faq-item__answer { padding: 0 56px 24px 0; }
.faq-item__answer p { font-size: 15.5px; color: #4b4747; max-width: 680px; }
/* apertura suave en navegadores compatibles */
@supports (interpolate-size: allow-keywords) {
  .product-faq { interpolate-size: allow-keywords; }
  .faq-item::details-content {
    height: 0;
    overflow: clip;
    transition: height .35s ease, content-visibility .35s allow-discrete;
  }
  .faq-item[open]::details-content { height: auto; }
}
.product-block--energy ~ .product-faq { --faq-accent: var(--c-energy); }
.product-block--hair ~ .product-faq { --faq-accent: var(--c-hair); }
.product-block--detox ~ .product-faq { --faq-accent: #4fae7b; }
.product-block--skin ~ .product-faq { --faq-accent: var(--c-skin); }

/* ---------- Stats (respaldo científico) ---------- */
.stat-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--gap);
  align-items: start;
  padding: clamp(40px,6vw,70px) 0;
}
.stat-row + .stat-row { border-top: 1px solid var(--c-line); }
.stat-num { font-family: var(--font-display); font-weight: 700; font-size: clamp(64px, 8vw, 96px); line-height: 1; }
.stat-row h3 { font-size: 22px; margin: 8px 0 10px; }
.stat-row .stat-sub { font-size: 14.5px; color: #6b6767; }
.stat-row .stat-copy p { font-size: 15.5px; color: #4b4747; }
.stat-row .stat-copy p + p { margin-top: 14px; }
.stat-row ul { margin-top: 14px; }
.stat-row ul li { font-size: 15px; color: #4b4747; padding-left: 16px; position: relative; margin-bottom: 6px; }
.stat-row ul li::before { content: '•'; position: absolute; left: 0; }

.study-banner {
  border-top: 1px solid var(--c-line);
  padding-top: clamp(48px, 6vw, 72px);
}
.study-banner > p {
  font-size: clamp(17px, 2vw, 21px);
  max-width: 780px;
  margin-bottom: 56px;
}
.chart-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  align-items: end;
  margin-bottom: 40px;
}
.chart-bars {
  display: flex;
  align-items: end;
  gap: 10px;
  height: 220px;
}
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar-col .pct { font-family: var(--font-display); font-weight: 700; font-size: 20px; margin-bottom: 8px; }
.bar-col .bar { width: 100%; border-radius: 6px 6px 0 0; height: var(--target-h); }
.bar-col.control .bar { background: #e6e4e2; }
.bar-col.result .bar.energy { background: var(--c-energy); }
.bar-col.result .bar.hair { background: var(--c-hair); }
.bar-col.result .bar.detox { background: var(--c-detox); }
.bar-col.result .bar.skin { background: var(--c-skin); }
.chart-label { text-align: center; font-weight: 500; font-size: 15px; margin-top: 4px; }
.chart-legend { display: flex; gap: 40px; align-items: center; justify-content: center; margin-bottom: 60px; }
.chart-legend .legend-item { display: flex; align-items: center; gap: 10px; font-size: 14.5px; }
.legend-swatch { width: 18px; height: 18px; border-radius: 5px; }
.legend-swatch.control { background: #e6e4e2; }
.legend-swatches { display: flex; gap: 6px; }
.legend-swatches span { width: 18px; height: 18px; border-radius: 5px; display: inline-block; }
.study-cta { text-align: center; }
.study-cta p:first-child { font-size: clamp(18px, 2.2vw, 24px); font-family: var(--font-display); max-width: 640px; margin: 0 auto 18px; }
.study-cta p.cta { font-weight: 700; font-size: 18px; }

/* ---------- ¿Qué es Nuveé? icon row ---------- */
.icon-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  margin-top: 40px;
}
.icon-row svg { width: 56px; height: 56px; margin-bottom: 16px; }
.icon-row h4, .icon-row h3 { font-size: 17px; margin-bottom: 8px; }
.icon-row h3 a:hover { text-decoration: underline; text-underline-offset: 4px; }
.icon-row p { font-size: 14.5px; color: #4b4747; }
.icon-row .icon-row__item--energy svg { color: var(--c-energy); }
.icon-row .icon-row__item--hair svg { color: var(--c-hair); }
.icon-row .icon-row__item--detox svg { color: var(--c-detox); }
.icon-row .icon-row__item--skin svg { color: var(--c-skin); }

.dose-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #eef3fb;
  color: var(--c-skin);
  padding: 14px 20px;
  border-radius: 12px;
  font-weight: 500;
  font-size: 14px;
  margin-top: 22px;
}
.dose-badge svg { width: 26px; height: 26px; }

/* ---------- Contact form ---------- */
.contact-form {
  margin-top: 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 460px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13.5px;
}
.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--c-black);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: 10px;
  padding: 12px 14px;
  width: 100%;
  transition: border-color .15s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 48px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%23231F20' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 12px 8px;
  cursor: pointer;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--c-black);
}
/* Only flag a field red after the visitor has actually left it (:user-invalid
   isn't supported everywhere, so this is done via a class the browser adds
   automatically once a field has been interacted with and left invalid is
   too inconsistent cross-browser — instead we rely on the native validation
   bubble on submit, which every browser already shows without extra CSS). */
.contact-form .btn { align-self: flex-start; border: none; }
.form-status {
  font-size: 14px;
  min-height: 20px;
}
.form-status[data-state="ok"] { color: #2f9e5c; }
.form-status[data-state="error"] { color: var(--c-energy); }
.form-status a { text-decoration: underline; }

/* ---------- Contact ---------- */
.contact-hero { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.contact-hero h1 { font-size: clamp(26px, 3.4vw, 36px); margin-bottom: 16px; }
.contact-hero p { color: #4b4747; font-size: 16px; }
.contact-split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); align-items: center; }
.contact-split img { border-radius: var(--radius); width: 100%; }
.contact-split p { font-size: 15.5px; color: #4b4747; margin-bottom: 16px; }
.contact-find { text-align: center; margin-top: 90px; }
.contact-find h3 { font-size: 15px; letter-spacing: .08em; margin-bottom: 22px; }
.contact-find a.email { font-family: var(--font-display); font-size: clamp(22px,3vw,28px); font-weight: 500; }
.contact-find .hours { margin-top: 22px; font-size: 15px; color: #4b4747; }

/* ---------- Legal pages ---------- */
.legal { max-width: 820px; margin: 0 auto; }
.legal h1 { font-size: clamp(26px, 3.4vw, 34px); margin-bottom: 44px; }
.legal h2 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin: 40px 0 14px; }
.legal p, .legal li { font-size: 15px; color: #423e3d; margin-bottom: 14px; }
.legal ul { margin-bottom: 14px; }
.legal li { position: relative; padding-left: 16px; margin-bottom: 8px; }
.legal a { border-bottom: 1px solid currentColor; }
.legal strong { font-weight: 500; color: var(--c-black); font-family: var(--font-display); }
.legal li::before { content: '·'; position: absolute; left: 0; font-weight: 700; }

/* ---------- 404 ---------- */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
}
.error-page .eyebrow { margin-bottom: 20px; color: #9a9694; }
.error-digits {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(70px, 14vw, 160px);
  display: flex;
  gap: clamp(20px, 4vw, 60px);
  line-height: 1;
}
.error-page p { margin-top: 24px; font-size: 17px; color: #4b4747; }
.error-page .btn { margin-top: 32px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-bg-alt);
  padding: 70px 0 30px;
  margin-top: clamp(40px, 6vw, 80px);
}
.site-footer .logo { font-size: 34px; }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--gap);
  align-items: start;
  margin-bottom: 56px;
}
.footer-brand__claim { margin-top: 16px; max-width: 360px; font-size: 15px; color: #4b4747; }
.footer-brand__owner { margin-top: 14px; font-size: 14px; color: #6b6767; }
.footer-brand__owner a, .footer-company__data a { border-bottom: 1px solid currentColor; }
.footer-brand__owner a:hover, .footer-company__data a:hover { opacity: .7; }
.footer-company { padding-left: var(--gap); border-left: 1px solid #e1dfdd; }
.footer-company__label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #9a9694;
  margin-bottom: 12px;
}
.footer-company__logo { display: inline-block; margin-bottom: 18px; }
.footer-company__logo img { height: 60px; width: auto; }
.footer-company__logo:hover img { opacity: .85; }
.footer-company__wordmark { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -0.01em; }
.footer-company__data { font-style: normal; font-size: 14px; line-height: 1.7; color: #4b4747; }
.footer-company__data strong { color: var(--c-black); font-weight: 500; font-family: var(--font-display); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  border-top: 1px solid #e1dfdd;
  font-size: 13.5px;
  color: #6b6767;
}
.footer-bottom .footer-links { display: flex; gap: 26px; flex-wrap: wrap; }

/* ---------- Panel de cookies ---------- */
.cc-banner {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 1000;
  width: min(460px, calc(100vw - 48px));
  padding: 26px 26px 24px;
  background: var(--c-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px -18px rgba(35,31,32,.35), 0 2px 8px rgba(35,31,32,.08);
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .3s ease, transform .3s ease;
}
.cc-banner::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-energy) 0 25%, var(--c-hair) 25% 50%, var(--c-detox) 50% 75%, var(--c-skin) 75% 100%);
}
.cc-banner.is-visible { opacity: 1; transform: none; }
.cc-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #9a9694;
  margin-bottom: 8px;
}
.cc-title { font-size: 21px; margin-bottom: 10px; }
.cc-text { font-size: 14px; line-height: 1.55; color: #4b4747; }
.cc-text a { color: var(--c-black); border-bottom: 1px solid currentColor; }
.cc-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 20px;
}
.cc-btn {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 14px;
  padding: 13px 10px;
  border-radius: 999px;
  border: 1px solid var(--c-black);
  background: var(--c-black);
  color: var(--c-white);
  cursor: pointer;
  transition: opacity .2s ease, background .2s ease, color .2s ease;
}
.cc-btn:hover { opacity: .85; }
.cc-btn--outline { background: transparent; color: var(--c-black); }
.cc-btn--outline:hover { background: var(--c-bg-alt); opacity: 1; }
.cc-btn:focus-visible { outline: 2px solid var(--c-black); outline-offset: 3px; }

.cc-dialog {
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  border: none;
  border-radius: 22px;
  box-shadow: 0 30px 80px -20px rgba(35,31,32,.45);
  color: var(--c-black);
}
.cc-dialog::backdrop { background: rgba(35,31,32,.45); backdrop-filter: blur(3px); }
.cc-dialog[open] { animation: cc-in .3s ease; }
@keyframes cc-in { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.cc-dialog__inner { padding: 30px 30px 26px; }
.cc-dialog .cc-text { margin-bottom: 8px; }
.cc-cat { padding: 18px 0; border-bottom: 1px solid var(--c-line); }
.cc-cat:last-of-type { border-bottom: none; }
.cc-cat__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 6px; }
.cc-cat__title { font-family: var(--font-display); font-weight: 700; font-size: 16px; }
.cc-cat__always { font-size: 13px; font-weight: 500; color: #2f9e5c; }
.cc-cat__text { font-size: 14px; color: #4b4747; line-height: 1.5; }
.cc-switch { position: relative; width: 46px; height: 26px; flex: none; }
.cc-switch input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; z-index: 1; }
.cc-switch span {
  position: absolute; inset: 0;
  border-radius: 999px;
  background: #d9d6d4;
  transition: background .2s ease;
}
.cc-switch span::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,.2);
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1);
}
.cc-switch input:checked + span { background: var(--c-black); }
.cc-switch input:checked + span::after { transform: translateX(20px); }
.cc-switch input:focus-visible + span { outline: 2px solid var(--c-black); outline-offset: 3px; }
.cc-actions--dialog { margin-top: 18px; }

.footer-cookie-btn {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}
.footer-cookie-btn:hover { color: var(--c-black); }
.legal-cookie-btn { color: var(--c-black); border-bottom: 1px solid currentColor; }
.cookie-table td { white-space: normal; }
.cookie-table thead th:last-child { text-align: left; }
.legal .nutri-table-wrap { margin: 8px 0 18px; }
.cookie-table th, .cookie-table td { font-size: 14px; }

@media (max-width: 640px) {
  .cc-banner { left: 12px; right: 12px; bottom: 12px; width: auto; padding: 22px 20px 20px; }
  .cc-actions { grid-template-columns: 1fr 1fr; }
  .cc-actions .cc-btn--outline:first-child { grid-column: 1 / -1; order: 3; }
  .cc-actions--dialog { grid-template-columns: 1fr; }
  .cc-actions--dialog .cc-btn--outline:first-child { order: 0; }
  .cc-dialog__inner { padding: 24px 20px 20px; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-links .nav-link { align-items: flex-start; transform-origin: left center; }
  .mega-menu { display: none; }
  .nav-toggle { display: block; }
  .nav.is-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: #fff;
    padding: 20px 24px 30px;
    border-bottom: 1px solid var(--c-line);
    gap: 20px;
  }
  .formula-grid, .formula-labels { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .split img { order: -1; }
  .product-block__top { grid-template-columns: 1fr; }
  .product-block--summary .product-block__top { grid-template-columns: 1fr; }
  .product-block__box { max-width: 440px; }
  .product-block__mid { grid-template-columns: 1fr; gap: 32px; }
  .product-facts { grid-template-columns: 1fr; gap: 48px; }
  .related-grid { grid-template-columns: 1fr 1fr; }
  .product-faq { grid-template-columns: 1fr; gap: 28px; }
  .product-block__intro, .ingredient-detail { margin-top: 0; }
  .stat-row { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .icon-row { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .contact-split { grid-template-columns: 1fr; }
  .contact-split img { order: -1; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { max-width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-company { padding-left: 0; border-left: none; padding-top: 32px; border-top: 1px solid #e1dfdd; }
}

@media (max-width: 640px) {
  .formula-grid, .formula-labels { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-banner__frame { aspect-ratio: 4/5; }
  .banner-photo { aspect-ratio: 4/5; }
  .nutri-table { font-size: 13.5px; }
  .related-grid { grid-template-columns: 1fr; }
  .finder__list { grid-template-columns: 1fr; }
  .finder__item { padding: 22px 20px; }
  .faq-item__answer { padding-right: 0; }
  .faq-item summary { padding-right: 44px; }
  .related-card__img { aspect-ratio: 4/3; }
  .related-card__img img { max-width: 34%; }
  .nutri-table td { white-space: normal; }
  .error-digits { gap: 16px; }
}


/* ---------- Tablet: más aire lateral ---------- */
@media (max-width: 980px) {
  :root { --gutter: 32px; }
  .nav.is-open .nav-links { padding: 12px var(--gutter) 28px; gap: 4px; }
  .nav.is-open .nav-links .nav-link { padding: 12px 0; font-size: 17px; }
  .product-block__box { max-width: 360px; margin: 0 auto; }
  .product-faq { padding-left: var(--gutter); padding-right: var(--gutter); }
}

/* ---------- Móvil: aire y jerarquía ---------- */
@media (max-width: 640px) {
  :root { --gutter: 20px; --radius: 16px; }
  body { font-size: 15.5px; }

  /* cabecera */
  .nav { padding-block: 14px; }
  .logo { font-size: 23px; }
  .nav-toggle { margin-right: -8px; }

  /* titulares y secciones */
  .section { padding-block: 56px; }
  .section--tight { padding-block: 28px; }
  .eyebrow { font-size: 14px; letter-spacing: .04em; line-height: 1.35; }
  .why-title { font-size: 30px; margin-bottom: 32px; }
  .split { gap: 28px; }
  .split h2 { font-size: 25px; }

  /* home: tarjetas de fórmulas */
  .hero-banner__frame { aspect-ratio: 4/5; border-radius: var(--radius); }
  .formula-grid { margin-top: 28px; border-radius: var(--radius); }
  .flip-card { min-height: 190px; }
  .formula-card { min-height: 190px; padding: 18px; }
  .formula-card svg { width: 52px; height: 52px; }
  .formula-labels { gap: 32px 20px; margin-top: 32px; }
  .formula-labels h3, .formula-labels h4 { font-size: 17px; }
  .ingredient-list li { font-size: 13.5px; padding: 8px 0; }
  .pill-cloud { gap: 12px; }
  .pill { padding: 14px 20px; }
  .finder__need { font-size: 17px; }

  /* fichas y listado de productos */
  .product-block { padding-block: 48px; }
  .product-claim { font-size: 22px; margin-top: 0; padding: 0 4px; }
  .product-claim + .banner-photo { margin-top: 24px; }
  .banner-photo { aspect-ratio: 4/5; border-radius: var(--radius); }
  .banner-photo__sign { padding: 20px; }
  .banner-photo__sign span[lang] { font-size: 28px; }
  .banner-photo--lead + .product-block__top { margin-top: 36px; }
  .product-block__box { max-width: 250px; margin: 0 auto; }
  .product-block__top { gap: 28px; }
  .product-block__intro h1 { font-size: 34px; }
  .product-block__intro h2 { font-size: 30px; }
  .product-cta { gap: 18px; }
  .product-cta .btn { flex: 1 1 100%; }
  .product-block__mid { margin-top: 40px; }
  .product-facts { margin-top: 44px; padding-top: 40px; }
  .key-list li { font-size: 15px; padding-left: 48px; }
  .breadcrumb { padding-block: 20px 4px; }

  /* otras fórmulas: tarjetas horizontales compactas */
  .related .eyebrow { margin-bottom: 24px; }
  .related-grid { gap: 12px; }
  .related-card {
    display: grid;
    grid-template-columns: 88px 1fr;
    grid-template-rows: auto auto;
    column-gap: 16px;
    align-items: center;
    padding: 10px;
    border-radius: var(--radius);
    background: var(--c-bg-alt);
  }
  .related-card__img {
    grid-row: 1 / span 2;
    aspect-ratio: 3/4 !important;
    margin: 0;
    background: var(--c-white);
    border-bottom-width: 3px;
  }
  .related-card__img img { max-width: 70% !important; }
  .related-card__name { align-self: end; font-size: 17px; }
  .related-card__tag { align-self: start; font-size: 13.5px; line-height: 1.4; }
  .related-all { margin-top: 32px; }

  /* FAQ */
  .product-faq { gap: 20px; }
  .faq-item summary { font-size: 16px; padding-block: 18px; }

  /* qué es / beneficios / contacto */
  .icon-row { grid-template-columns: 1fr; gap: 24px; }
  .icon-row__item { display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; align-items: start; }
  .icon-row__item svg { grid-row: 1 / span 2; width: 44px; height: 44px; margin: 2px 0 0; }
  section.container > .hero-banner__frame { aspect-ratio: 4/3 !important; }
  .split img[src*="baor-products"] { max-width: 200px !important; margin: 0 !important; }
  .stat-row { padding-block: 36px; gap: 12px; }
  .stat-num { font-size: 64px; }
  .chart-bars { height: 170px; }
  .contact-hero { margin-bottom: 36px; }
  .contact-form .btn { align-self: stretch; }
  .contact-hero h1 { font-size: 26px; }
  .contact-find { margin-top: 56px; }

  /* footer */
  .site-footer { padding: 48px 0 28px; }
  .site-footer .logo { font-size: 28px; }
  .footer-top { margin-bottom: 36px; }
  .footer-bottom .footer-links { gap: 14px 22px; }
  .legal h1 { margin-bottom: 28px; }
}