/* ============================================================================
   De.Bi — Componentes y layout (sitio real · color de marca)
   Depende de tokens.css (cargar antes). Portado del prototipo low-fi:
   mismo markup y estructura, el color entra por los tokens.
   Zero frameworks · CSS nativo · accesibilidad desde la base.
   ============================================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-family-base);
  font-weight: var(--fw-regular);
  font-size: var(--fs-md);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

h1, h2, h3, h4 {
  font-weight: var(--fw-semibold);
  line-height: var(--lh-heading);
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-3);
}
h1 { font-size: var(--fs-3xl); font-weight: var(--fw-bold); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
p  { margin: 0 0 var(--space-3); }

:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; border-radius: 2px; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--space-4); }
.container--fluid { max-width: none; padding-inline: clamp(1.5rem, 4vw, 4rem); }
.section { padding-block: var(--space-7); }
.eyebrow {
  font-size: var(--fs-xs); font-weight: var(--fw-semibold);
  letter-spacing: var(--tracking-caps); text-transform: uppercase;
  color: var(--text-muted); margin: 0 0 var(--space-2);
}
.muted { color: var(--text-muted); }
.center { text-align: center; }
.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: absolute; left: var(--space-3); top: -60px; z-index: 200;
  background: var(--color-indigo-500); color: var(--color-white); padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm); transition: top .2s;
}
.skip-link:focus { top: var(--space-3); }

/* --- Botones -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-weight: var(--fw-semibold); font-size: var(--fs-sm);
  padding: 0.85rem var(--space-4); border-radius: var(--radius-btn);
  border: 1.5px solid transparent; cursor: pointer; transition: background .18s, color .18s, border-color .18s;
  text-align: center; line-height: 1.1;
}
.btn--primary { background: var(--button-primary-bg); color: var(--button-primary-text); }
.btn--primary:hover { background: var(--button-primary-hover); }
.btn--ghost { background: transparent; color: var(--button-ghost-text); border-color: var(--button-ghost-border); }
.btn--ghost:hover { background: var(--color-indigo-500); color: var(--color-white); }
.btn--block { width: 100%; }
.btn--square { border-radius: var(--radius-btn); } /* alias: mismo radio único */
.btn--lg { padding: 1.1rem var(--space-5); font-size: var(--fs-md); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn svg { width: 1.25em; height: 1.25em; flex: 0 0 auto; }
.note-box svg { width: 1.4em; height: 1.4em; flex: 0 0 auto; margin-top: 1px; }

/* --- Header / Nav --------------------------------------------------------- */
.promo-bar {
  background: var(--bg-promo); color: var(--text-on-inverse);
  text-align: center; font-size: var(--fs-xs); font-weight: var(--fw-semibold);
  letter-spacing: .08em; text-transform: uppercase; padding: var(--space-2);
}
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--header-bg); border-bottom: 1px solid var(--header-border);
}
.site-header__inner {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center;
  gap: var(--space-4); padding-block: var(--space-3);
}
.brand-logo { display: inline-flex; align-items: center; }
/* Prototipo en grises: neutralizamos el color de marca del logo */
.brand-logo img { height: 52px; width: auto; filter: grayscale(1); }
.footer-brand img { filter: grayscale(1); }
@media (max-width: 860px) { .brand-logo img { height: 42px; } }
.main-nav ul { list-style: none; display: flex; gap: var(--space-4); margin: 0; padding: 0; justify-content: center; }
.main-nav a {
  font-weight: var(--fw-medium); font-size: var(--fs-sm); padding: var(--space-2) 0;
  position: relative; color: var(--text-primary);
}
.main-nav a[aria-current="page"], .main-nav a:hover { color: var(--color-indigo-500); }
.main-nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--color-indigo-500); transform: scaleX(0); transform-origin: left; transition: transform .2s;
}
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.has-sub { position: relative; }
.has-sub > .submenu {
  position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%) translateY(6px);
  background: var(--color-white); border: 1px solid var(--border-subtle); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); min-width: 230px; padding: var(--space-2);
  opacity: 0; visibility: hidden; transition: opacity .18s, transform .18s; z-index: 120;
}
.has-sub:hover > .submenu, .has-sub:focus-within > .submenu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.submenu { list-style: none; margin: 0; }
.submenu li { display: block; }
.submenu a { display: block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); font-size: var(--fs-sm); }
.submenu a::after { display: none; }
.submenu a:hover { background: var(--bg-surface-2); }
.main-nav a .chev { display: inline-flex; margin-left: 2px; transition: transform .2s; }
.has-mega:hover a .chev, .has-mega:focus-within a .chev { transform: rotate(180deg); }

/* Mega menú de Clases (full-width, foto + descripción) */
.has-mega { position: static; }
/* Puente invisible que mantiene el hover al bajar del link al panel */
.has-mega > a { position: relative; }
.has-mega > a::before { content: ""; position: absolute; top: 100%; left: -12px; right: -12px; height: 30px; }
.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-white); border-top: 1px solid var(--border-subtle); box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s, transform .18s;
  z-index: 120;
}
.has-mega:hover .mega, .has-mega:focus-within .mega { opacity: 1; visibility: visible; transform: translateY(0); }
.mega__inner { display: grid; grid-template-columns: 220px 1fr; gap: var(--space-5); padding-block: var(--space-5); align-items: start; }
.mega__lead { color: var(--text-secondary); margin: 0; max-width: 22ch; }
.mega__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.mega__card { display: flex; flex-direction: column; border-radius: var(--radius-md); overflow: hidden; }
.mega__media { display: block; aspect-ratio: 3 / 2; overflow: hidden; border-radius: var(--radius-md); background: var(--placeholder-bg); margin-bottom: var(--space-3); }
.mega__media img { width: 100%; height: 100%; object-fit: cover; }
.mega__title { font-weight: var(--fw-semibold); font-size: var(--fs-lg); }
.mega__desc { color: var(--text-secondary); font-size: var(--fs-sm); margin-top: 2px; }
.mega__cta { font-weight: var(--fw-semibold); font-size: var(--fs-sm); margin-top: var(--space-2); }
.mega__card:hover .mega__title { text-decoration: underline; }
.mega__card:hover .mega__media img { transform: scale(1.03); }
.mega__media img { transition: transform .3s; }

.header-actions { display: flex; align-items: center; gap: var(--space-3); justify-self: end; }
.icon-btn {
  background: none; border: none; cursor: pointer; padding: var(--space-2); color: var(--text-primary);
  display: inline-flex; position: relative; border-radius: var(--radius-sm);
}
.icon-btn svg { width: 22px; height: 22px; }
.cart-count {
  position: absolute; top: -2px; right: -2px; min-width: 18px; height: 18px; padding: 0 4px;
  background: var(--color-indigo-500); color: var(--color-white); border-radius: var(--radius-pill);
  font-size: 11px; font-weight: var(--fw-bold); display: grid; place-items: center; line-height: 1;
}
.cart-count[data-count="0"] { display: none; }
.nav-toggle { display: none; }

/* --- Breadcrumb ----------------------------------------------------------- */
.breadcrumb { font-size: var(--fs-sm); color: var(--text-muted); padding-block: var(--space-3); }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0; padding: 0; }
.breadcrumb li::after { content: "/"; margin-left: var(--space-2); color: var(--border-strong); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a:hover { text-decoration: underline; }

/* --- Placeholder de imagen (low-fi, grises) ------------------------------- */
.ph {
  position: relative; background: var(--placeholder-bg); overflow: hidden;
  display: grid; place-items: center; color: var(--placeholder-line);
  border-radius: var(--radius-md);
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 11px, rgba(0,0,0,.02) 11px, rgba(0,0,0,.02) 12px);
}
.ph::before {
  content: attr(data-label); position: absolute; inset: auto var(--space-3) var(--space-3) var(--space-3);
  font-size: var(--fs-xs); letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted);
}
.ph svg { width: 46%; max-width: 140px; height: auto; opacity: .55; }
.ph--1x1 { aspect-ratio: 1/1; }
.ph--4x5 { aspect-ratio: 4/5; }
.ph--3x2 { aspect-ratio: 3/2; }
.ph--16x9 { aspect-ratio: 16/9; }

/* --- HERO ----------------------------------------------------------------- */
.hero { background: var(--bg-surface); border-bottom: 1px solid var(--border-subtle); }
.hero__inner { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: var(--space-6); min-height: 74vh; }
.hero__content { padding-block: var(--space-6); max-width: 34ch; }
.hero h1 { margin-bottom: var(--space-4); }
.hero .lead { font-size: var(--fs-lg); color: var(--text-secondary); margin-bottom: var(--space-5); }
.hero__actions { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.hero__media { align-self: stretch; }
.hero__media .ph { height: 100%; min-height: 60vh; border-radius: 0; }

/* --- Franja de valores / concepto ---------------------------------------- */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.pillar { padding: var(--space-4); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--card-bg); }
.pillar .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); margin-bottom: var(--space-3); }
.pillar h3 { font-size: var(--fs-lg); }
.pillar p { color: var(--text-secondary); margin: 0; }

/* --- Concepto (imagen + texto) ------------------------------------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: var(--space-6); }
.split--reverse .split__media { order: 2; }
.split__body { max-width: 46ch; }
.split__body h2 { margin-bottom: var(--space-4); }
.split__body p { color: var(--text-secondary); }

/* --- Section head --------------------------------------------------------- */
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-5); flex-wrap: wrap; }
.section-head p { margin: var(--space-2) 0 0; color: var(--text-secondary); max-width: 52ch; }
.link-more { font-weight: var(--fw-semibold); font-size: var(--fs-sm); border-bottom: 1.5px solid var(--color-indigo-500); padding-bottom: 2px; }

/* --- Product card (small) ------------------------------------------------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
.product-card {
  display: flex; flex-direction: column; background: var(--card-bg); color: inherit;
  border: 1px solid transparent; border-radius: var(--radius-md); overflow: hidden;
  transition: border-color .2s ease;
}
.product-card:hover { border-color: var(--border-strong); }
.product-card__media {
  position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--placeholder-bg);
}
.product-card__media img { width: 100%; height: 100%; object-fit: cover; }
.product-card__body { padding: var(--space-3) var(--space-3) var(--space-4); display: flex; flex-direction: column; gap: 3px; }
.product-card__tag {
  position: absolute; top: var(--space-2); left: var(--space-2); z-index: 2;
  background: var(--color-indigo-500); color: var(--color-white); font-size: 11px; font-weight: var(--fw-semibold);
  letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 0;
}
.product-card__fav {
  position: absolute; top: var(--space-2); right: var(--space-2); z-index: 2;
  background: rgba(255,255,255,.85); border: none; border-radius: 50%; width: 34px; height: 34px;
  display: grid; place-items: center; cursor: pointer; color: var(--color-arena-700);
}
.product-card__cat { font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: .08em; text-transform: uppercase; }
.product-card__name { font-size: var(--fs-md); font-weight: var(--fw-medium); }
.product-card__price { font-weight: var(--fw-semibold); margin-top: 2px; }
.product-card:hover .product-card__name { text-decoration: underline; }

/* --- Carrusel ------------------------------------------------------------- */
.carousel { position: relative; }
.carousel__track {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(260px, 1fr);
  gap: var(--space-4); overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: var(--space-3); scrollbar-width: thin;
}
.carousel__track > * { scroll-snap-align: start; }
.carousel__nav { display: flex; gap: var(--space-2); }
.carousel__btn {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--border-strong);
  background: var(--color-white); cursor: pointer; display: grid; place-items: center; color: var(--color-indigo-500);
}
.carousel__btn svg { width: 20px; height: 20px; }
.carousel__btn:hover { background: var(--color-indigo-500); color: var(--color-white); border-color: var(--color-indigo-500); }

/* --- Testimonios ---------------------------------------------------------- */
.testimonials { background: var(--bg-inverse); color: var(--text-on-inverse); }
.testimonials .eyebrow, .testimonials .muted { color: var(--color-arena-400); }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.testi {
  margin: 0;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md); padding: var(--space-5);
}
.testi__quote { font-size: var(--fs-lg); font-weight: var(--fw-medium); line-height: 1.4; margin-bottom: var(--space-4); }
.testi__who { display: flex; align-items: center; gap: var(--space-3); }
.testi__avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--color-arena-600); display: grid; place-items: center; font-weight: var(--fw-bold); color: var(--color-white); }
.testi__name { font-weight: var(--fw-semibold); font-size: var(--fs-sm); }
.testi__role { font-size: var(--fs-xs); color: var(--color-arena-400); }
.stars { letter-spacing: 2px; color: var(--color-arena-300); font-size: var(--fs-sm); }

/* --- CTA clases (home) ---------------------------------------------------- */
.cta-band { background: var(--bg-surface); border-radius: var(--radius-lg); padding: var(--space-6); text-align: center; }
.cta-band h2 { max-width: 20ch; margin-inline: auto; }
.cta-band .eyebrow { text-align: center; }
.cta-band p { max-width: 52ch; margin: 0 auto var(--space-5); color: var(--text-secondary); }

/* --- Footer --------------------------------------------------------------- */
.site-footer { background: var(--bg-inverse); color: var(--text-on-inverse); padding-block: var(--space-6) var(--space-4); margin-top: var(--space-7); }
.site-footer a { color: var(--color-arena-300); }
.site-footer a:hover { color: var(--color-white); text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: var(--space-5); margin-bottom: var(--space-5); }
.footer-grid h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .1em; color: var(--color-arena-400); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer-brand img { height: 30px; margin-bottom: var(--space-3); }
.footer-brand img.footer-logo { height: 92px; width: auto; }
.footer-brand p { color: var(--color-arena-400); max-width: 34ch; font-size: var(--fs-sm); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding-top: var(--space-4); display: flex; justify-content: space-between; gap: var(--space-3); flex-wrap: wrap; font-size: var(--fs-xs); color: var(--color-arena-400); }

/* --- Filtros PLP ---------------------------------------------------------- */
.plp-head { padding-block: var(--space-4) var(--space-2); }
.plp-layout { display: grid; grid-template-columns: 240px 1fr; gap: var(--space-5); align-items: start; }
.filters { position: sticky; top: calc(var(--header-h) + var(--space-3)); }
.filters h3 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); }
.filter-group { border-top: 1px solid var(--border-subtle); padding-block: var(--space-3); }
.filter-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-1); }
.filter-btn {
  display: flex; justify-content: space-between; width: 100%; background: none; border: none; cursor: pointer;
  padding: var(--space-2); border-radius: var(--radius-sm); font-size: var(--fs-sm); color: var(--text-secondary); text-align: left;
}
.filter-btn:hover { background: var(--bg-surface-2); }
.filter-btn[aria-pressed="true"] { background: var(--color-indigo-500); color: var(--color-white); font-weight: var(--fw-semibold); }
.filter-btn .count { color: inherit; opacity: .6; }
.plp-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-4); gap: var(--space-3); flex-wrap: wrap; }
.plp-title { font-size: var(--fs-xl); margin: 0; }
.plp-toolbar select { font-family: inherit; padding: var(--space-2) var(--space-3); border: 1.5px solid var(--border-strong); border-radius: 0; background: var(--color-white); font-size: var(--fs-sm); }
.chips { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.chip { background: var(--chip-bg); border: none; border-radius: 0; padding: 6px 14px; font-size: var(--fs-sm); cursor: pointer; color: var(--text-secondary); }
.chip[aria-pressed="true"] { background: var(--chip-active-bg); color: var(--chip-active-text); font-weight: var(--fw-semibold); }
.mobile-filter-toggle { display: none; }

/* --- PDP (inspirado en captura Adidas) ------------------------------------ */
.pdp { display: grid; grid-template-columns: 1fr 430px; gap: 0; align-items: start; }
.pdp__gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.pdp__gallery img { width: 100%; height: 100%; aspect-ratio: 1 / 1; object-fit: cover; display: block; }
.pdp__panel { position: sticky; top: var(--header-h); padding: var(--space-4) 0 var(--space-4) var(--space-5); align-self: start; }
.pdp__cat { font-size: var(--fs-sm); color: var(--text-muted); margin-bottom: var(--space-2); }
.pdp__rating { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-sm); margin-bottom: var(--space-2); }
.pdp__title { font-size: var(--fs-xl); text-transform: uppercase; letter-spacing: -0.01em; }
.pdp__price { font-size: var(--fs-lg); font-weight: var(--fw-semibold); margin-bottom: var(--space-1); }
.pdp__installments { font-size: var(--fs-sm); color: var(--text-secondary); margin-bottom: var(--space-4); }
.pdp__block { margin-bottom: var(--space-4); }
.pdp__block > .label { font-weight: var(--fw-semibold); font-size: var(--fs-sm); margin-bottom: var(--space-2); display: flex; justify-content: space-between; }
.swatches { display: flex; gap: var(--space-2); }
.swatch {
  width: 54px; height: 54px; border-radius: var(--radius-sm); border: 2px solid transparent; cursor: pointer;
  background: var(--placeholder-bg); overflow: hidden; padding: 0; position: relative;
}
.swatch[aria-pressed="true"] { border-color: var(--swatch-ring); }
.swatch .ph { width: 100%; height: 100%; border-radius: 0; }
.sizes { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-2); }
.size-btn {
  padding: var(--space-3) 0; border: 1.5px solid var(--border-strong); background: var(--color-white); cursor: pointer;
  border-radius: var(--radius-sm); font-size: var(--fs-sm); font-weight: var(--fw-medium);
}
.size-btn:hover { border-color: var(--color-indigo-500); }
.size-btn[aria-pressed="true"] { background: var(--color-indigo-500); color: var(--color-white); border-color: var(--color-indigo-500); }
.size-btn[disabled] { opacity: .4; text-decoration: line-through; cursor: not-allowed; }
.note-box { display: flex; gap: var(--space-2); align-items: flex-start; border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); padding: var(--space-3); font-size: var(--fs-sm); color: var(--text-secondary); margin-bottom: var(--space-4); }
.pdp__actions { display: grid; gap: var(--space-2); }
.pdp-msg { font-size: var(--fs-sm); color: var(--text-secondary); min-height: 1.2em; }

/* Accordion */
.accordion { border-top: 1px solid var(--border-subtle); }
.accordion__item { border-bottom: 1px solid var(--border-subtle); }
.accordion__btn {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: var(--space-3);
  background: none; border: none; cursor: pointer; padding: var(--space-4) 0; font-size: var(--fs-md);
  font-weight: var(--fw-semibold); text-align: left; color: var(--text-primary);
}
.accordion__btn .chev { transition: transform .2s; }
.accordion__btn[aria-expanded="true"] .chev { transform: rotate(180deg); }
.accordion__panel { overflow: hidden; }
.accordion__panel[hidden] { display: none; }
.accordion__panel-inner { padding-bottom: var(--space-4); color: var(--text-secondary); max-width: 70ch; }

/* --- Página de clase ------------------------------------------------------ */
.class-hero { background: var(--bg-surface); }
.class-hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: center; min-height: 56vh; }
.meta-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); margin-block: var(--space-4); }
.meta { display: flex; flex-direction: column; padding: var(--space-3); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); background: var(--card-bg); }
.meta .k { font-size: var(--fs-xs); color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; }
.meta .v { font-weight: var(--fw-semibold); }
.benefit-list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.benefit-list li { display: flex; gap: var(--space-3); align-items: flex-start; }
.benefit-list .tick { flex: none; width: 24px; height: 24px; border-radius: 50%; background: var(--color-indigo-500); color: var(--color-white); display: grid; place-items: center; font-size: 13px; }
.schedule { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--space-3); }
.slot { border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: var(--space-4); background: var(--card-bg); }
.slot__day { font-weight: var(--fw-semibold); }
.slot__time { color: var(--text-secondary); font-size: var(--fs-sm); }
.slot__spots { font-size: var(--fs-xs); color: var(--text-muted); margin-top: var(--space-2); }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.plan { border: 1.5px solid var(--border-subtle); border-radius: var(--radius-md); padding: var(--space-5); text-align: center; background: var(--card-bg); }
.plan--featured { border-color: var(--color-indigo-500); position: relative; }
.plan--featured::before { content: "Más elegido"; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--color-indigo-500); color: var(--color-white); font-size: 11px; font-weight: var(--fw-semibold); padding: 4px 12px; border-radius: 0; text-transform: uppercase; letter-spacing: .06em; }
.plan__price { font-size: var(--fs-2xl); font-weight: var(--fw-bold); margin-block: var(--space-2); }
.plan__price small { font-size: var(--fs-sm); font-weight: var(--fw-regular); color: var(--text-muted); }

/* --- Formularios (inscripción / checkout) --------------------------------- */
.form-layout { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-6); align-items: start; }
.form-card { background: var(--card-bg); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: var(--space-5); }
.stepper { display: flex; gap: var(--space-2); list-style: none; margin: 0 0 var(--space-5); padding: 0; flex-wrap: wrap; }
.stepper li { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-sm); color: var(--text-muted); }
.stepper .n { width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--border-strong); display: grid; place-items: center; font-size: var(--fs-xs); font-weight: var(--fw-bold); }
.stepper li[aria-current="step"] { color: var(--text-primary); font-weight: var(--fw-semibold); }
.stepper li[aria-current="step"] .n { background: var(--color-indigo-500); color: var(--color-white); border-color: var(--color-indigo-500); }
.field { margin-bottom: var(--space-4); }
.field label { display: block; font-weight: var(--fw-medium); font-size: var(--fs-sm); margin-bottom: var(--space-2); }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: var(--fs-md); padding: 0.8rem var(--space-3);
  border: 1.5px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--color-white); color: var(--text-primary);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--focus-ring); outline-offset: 1px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.radio-cards { display: grid; gap: var(--space-2); }
.radio-card { display: flex; gap: var(--space-3); align-items: center; border: 1.5px solid var(--border-subtle); border-radius: var(--radius-md); padding: var(--space-3); cursor: pointer; }
.radio-card:has(input:checked) { border-color: var(--color-indigo-500); background: var(--bg-surface); }
.radio-card input { accent-color: var(--color-indigo-500); width: 18px; height: 18px; }
.radio-card .rc-title { font-weight: var(--fw-semibold); font-size: var(--fs-sm); }
.radio-card .rc-desc { font-size: var(--fs-xs); color: var(--text-muted); }
.radio-card .rc-price { margin-left: auto; font-weight: var(--fw-semibold); }

/* --- Resumen (summary / order) -------------------------------------------- */
.summary { position: sticky; top: calc(var(--header-h) + var(--space-3)); background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: var(--space-5); }
.summary h3 { font-size: var(--fs-lg); }
.summary-line { display: flex; justify-content: space-between; gap: var(--space-3); padding-block: var(--space-2); font-size: var(--fs-sm); }
.summary-line.total { border-top: 1px solid var(--border-strong); margin-top: var(--space-2); padding-top: var(--space-3); font-size: var(--fs-md); font-weight: var(--fw-bold); }

/* --- Carrito -------------------------------------------------------------- */
.cart-layout { display: grid; grid-template-columns: 1fr 380px; gap: var(--space-6); align-items: start; }
.cart-item { display: grid; grid-template-columns: 96px 1fr auto; gap: var(--space-4); padding-block: var(--space-4); border-bottom: 1px solid var(--border-subtle); align-items: center; }
.cart-item__media { width: 96px; }
.cart-item__name { font-weight: var(--fw-semibold); }
.cart-item__meta { font-size: var(--fs-sm); color: var(--text-muted); }
.qty { display: inline-flex; align-items: center; border: 1.5px solid var(--border-strong); border-radius: 0; overflow: hidden; }
.qty button { width: 34px; height: 34px; border: none; background: var(--color-white); cursor: pointer; font-size: var(--fs-lg); color: var(--color-indigo-500); }
.qty button:hover { background: var(--bg-surface-2); }
.qty span { min-width: 34px; text-align: center; font-weight: var(--fw-semibold); }
.cart-item__price { font-weight: var(--fw-semibold); text-align: right; }
.link-remove { background: none; border: none; color: var(--text-muted); text-decoration: underline; cursor: pointer; font-size: var(--fs-xs); padding: 0; margin-top: var(--space-2); }
.empty-state { text-align: center; padding-block: var(--space-7); }

/* --- Carrito drawer (modal lateral) --------------------------------------- */
.cart-drawer { position: fixed; inset: 0; z-index: 250; }
.cart-drawer__backdrop { position: absolute; inset: 0; background: rgba(23,23,22,.45); opacity: 0; transition: opacity .25s; }
.cart-drawer.open .cart-drawer__backdrop { opacity: 1; }
.cart-drawer__panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(92vw, 420px);
  background: var(--color-white); box-shadow: var(--shadow-md); display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform .25s ease; outline: none;
}
.cart-drawer.open .cart-drawer__panel { transform: translateX(0); }
.cart-drawer__head { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4); border-bottom: 1px solid var(--border-subtle); }
.cart-drawer__head h2 { font-size: var(--fs-lg); margin: 0; }
.cart-drawer__body { flex: 1; overflow-y: auto; padding: var(--space-3) var(--space-4); }
.cart-drawer__empty { text-align: center; padding-block: var(--space-6); display: grid; gap: var(--space-3); place-items: center; }
.cart-drawer__item { display: grid; grid-template-columns: 60px 1fr auto; gap: var(--space-3); padding-block: var(--space-3); border-bottom: 1px solid var(--border-subtle); }
.cart-drawer__thumb { width: 60px; }
.cart-drawer__thumb img { border-radius: var(--radius-sm); }
.cart-drawer__name { font-weight: var(--fw-semibold); font-size: var(--fs-sm); }
.cart-drawer__price { text-align: right; font-weight: var(--fw-semibold); font-size: var(--fs-sm); display: flex; flex-direction: column; gap: var(--space-2); }
.cart-drawer__foot { padding: var(--space-4); border-top: 1px solid var(--border-subtle); background: var(--bg-surface); }
.cart-drawer .qty button { width: 28px; height: 28px; font-size: var(--fs-md); }
.cart-drawer .qty span { min-width: 28px; }

/* --- Aviso prototipo ------------------------------------------------------ */
.proto-flag { background: var(--color-arena-100); border-bottom: 1px dashed var(--border-strong); text-align: center; font-size: var(--fs-xs); color: var(--text-secondary); padding: 6px; letter-spacing: .04em; }
.toast { position: fixed; bottom: var(--space-4); left: 50%; transform: translateX(-50%) translateY(120%); background: var(--color-indigo-500); color: var(--color-white); padding: var(--space-3) var(--space-4); border-radius: var(--radius-pill); font-size: var(--fs-sm); font-weight: var(--fw-medium); box-shadow: var(--shadow-md); transition: transform .3s; z-index: 300; }
.toast.show { transform: translateX(-50%) translateY(0); }

/* ========================================================================== */
/* Responsive                                                                 */
/* ========================================================================== */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .pdp { grid-template-columns: 1fr; }
  .pdp__panel { position: static; padding: var(--space-5) 0 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  :root { --header-h: 64px; }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(84vw, 340px); background: var(--color-white);
    box-shadow: var(--shadow-md); transform: translateX(100%); transition: transform .25s;
    padding: var(--space-6) var(--space-4); overflow-y: auto; z-index: 150;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: var(--space-1); }
  .main-nav a::after { display: none; }
  .has-sub > .submenu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding-left: var(--space-3); min-width: 0; }
  .mega { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; }
  .mega__inner { grid-template-columns: 1fr; gap: var(--space-3); padding: var(--space-3) 0 var(--space-4); }
  .mega__intro { display: none; }
  .mega__grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .mega__media { aspect-ratio: 16 / 9; }
  .main-nav a .chev { display: none; }
  .hero__inner, .split, .class-hero__inner, .form-layout, .cart-layout, .plp-layout { grid-template-columns: 1fr; }
  .meta-row { grid-template-columns: 1fr 1fr; }
  .split--reverse .split__media { order: 0; }
  .hero__media .ph { min-height: 44vh; }
  .pillars, .testi-grid, .plans { grid-template-columns: 1fr; }
  .filters { position: static; display: none; }
  .filters.open { display: block; }
  .mobile-filter-toggle { display: inline-flex; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
  .footer-grid { grid-template-columns: 1fr; }
  .summary { position: static; }
}
@media (max-width: 620px) {
  .meta-row { grid-template-columns: 1fr; }
  .plp-title { font-size: var(--fs-lg); }
  .plp-toolbar { row-gap: var(--space-2); }
  h1 { font-size: clamp(2rem, 9vw, 2.75rem); }
  h2 { font-size: clamp(1.6rem, 7vw, 2.2rem); }
}
@media (max-width: 480px) {
  .field-row { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 72px 1fr; }
  .cart-item__price { grid-column: 2; text-align: left; }
  .product-card__body { padding: var(--space-2) var(--space-2) var(--space-3); }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; scroll-behavior: auto; } }