/* Landing — maquetación propia sobre Lumen. Solo tokens: var(--…). */

html { scroll-behavior: smooth; }
html.is-locked { overflow: hidden; }
section[id] { scroll-margin-top: calc(52px + var(--space-4)); }
img { max-width: 100%; }
[hidden] { display: none !important; }

.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-4); top: var(--space-2); z-index: 40;
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-pill);
  background: var(--surface-raised); color: var(--ink); box-shadow: var(--shadow-overlay);
  transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
a.lm-btn { text-decoration: none; }
.lm-btn--plain:hover { text-decoration: underline; }

.icon {
  width: 20px; height: 20px; flex-shrink: 0;
  fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
}
.icon--sm { width: 16px; height: 16px; }
.icon-btn { width: 28px; padding: 0; }
.block { width: 100%; }

.container { max-width: 1200px; margin: 0 auto; padding-inline: var(--space-8); }
.container--narrow { max-width: 800px; }

/* ---------- Franja de oferta ---------- */
.promo {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: var(--space-1) var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: var(--accent-soft);
  font-size: 13px; line-height: 18px; text-align: center;
}
.promo__text { margin: 0; color: var(--ink); }
.promo__link { font-weight: 500; color: var(--accent-text); text-decoration: none; }
.promo__link::after { content: " →"; }
.promo__link:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- NavBar ---------- */
.site-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  transition: background-color .24s ease, border-color .24s ease, -webkit-backdrop-filter .24s ease, backdrop-filter .24s ease;
}
.site-nav:not(.is-scrolled) {
  background: transparent;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  border-bottom-color: transparent;
}
.site-nav .lm-navbar__actions { justify-self: end; }

.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 19px; line-height: 24px; font-weight: 600; letter-spacing: -.01em;
  color: var(--ink); text-decoration: none;
}
.brand__mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: var(--radius-sm);
  background: var(--accent); color: var(--on-accent);
  font-size: 13px; line-height: 1; font-weight: 700; letter-spacing: 0;
}

.site-nav__links { display: flex; align-items: center; gap: var(--space-1); }
.site-nav__links a {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: 13px; line-height: 18px; font-weight: 500;
  color: var(--ink-muted); text-decoration: none;
  transition: color .2s ease, background-color .2s ease;
}
.site-nav__links a:hover { color: var(--ink); }
.site-nav__links a.is-active { color: var(--ink); background: var(--fill); }
.site-nav__links a:focus-visible { border-radius: var(--radius-pill); }

.cart-count {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; padding: 0 5px; margin-left: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--accent); color: var(--on-accent);
  font-size: 12px; line-height: 16px; font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.cart-count[hidden] { display: none; }
.nav-cta { animation: nav-in .24s ease; }
@keyframes nav-in { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Hero ---------- */
.hero { padding-block: var(--space-16) var(--space-12); }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-12);
  align-items: center;
}
.eyebrow { margin: 0 0 var(--space-3); font-size: 13px; line-height: 18px; font-weight: 500; color: var(--ink-muted); }
.hero__title { margin: 0; color: var(--ink); }
.lead { margin: var(--space-4) 0 0; max-width: 34em; font-size: 17px; line-height: 22px; color: var(--ink-muted); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.note { margin: var(--space-4) 0 0; font-size: 13px; line-height: 18px; color: var(--ink-muted); }

.hero__gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
  padding-bottom: var(--space-8);
}
.sample {
  margin: 0;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface-raised);
  box-shadow: var(--shadow-card);
}
.sample:nth-child(even) { margin-top: var(--space-8); }
.sample img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ---------- Secciones ---------- */
main { padding-bottom: var(--space-16); }
.section { padding-top: var(--space-16); }
.section__head { max-width: 720px; margin-bottom: var(--space-8); }
.section__head h2 { margin: 0; color: var(--ink); }
.section__sub { margin: var(--space-2) 0 0; color: var(--ink-muted); }
.title-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.subhead { margin: var(--space-12) 0 var(--space-6); color: var(--ink); }

.grid { display: grid; gap: var(--space-6); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

/* ---------- Filas (listas dentro de Card y del carrito) ---------- */
.rows { list-style: none; margin: 0; padding: 0; }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--line);
}
.row__main { display: flex; flex-direction: column; min-width: 0; }
.row__title { font-weight: 600; color: var(--ink); }
.row__meta { font-size: 13px; line-height: 18px; color: var(--ink-muted); }
.row__price { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.price { font-weight: 600; font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
.price--lg {
  font-family: var(--font-display);
  font-size: 24px; line-height: 30px; letter-spacing: -.015em;
}
.price-meta { font-size: 13px; line-height: 18px; color: var(--ink-muted); font-variant-numeric: tabular-nums; }
s { color: var(--ink-muted); }

/* ---------- Packs ---------- */
.packs-main {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}
.product__media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-md);
}
.product__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.product > .lm-badge { align-self: flex-start; }
.product__desc { flex: 1; margin: 0; color: var(--ink-muted); }
.product__foot { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-4); }
.product__price { display: flex; flex-direction: column; }

.offer {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-6);
}

/* ---------- Cómo funciona ---------- */
.steps { list-style: none; margin: 0; padding: 0; }
.steps .lm-card { gap: var(--space-2); }
.steps h3 { margin: 0; color: var(--ink); }
.step__label { font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: .01em; color: var(--ink-muted); }
.step__text { margin: 0; color: var(--ink-muted); }

/* ---------- Preguntas frecuentes ---------- */
.faq details + details { border-top: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex-shrink: 0;
  width: 7px; height: 7px;
  margin-top: -4px;
  border-right: 1.5px solid var(--ink-muted);
  border-bottom: 1.5px solid var(--ink-muted);
  transform: rotate(45deg);
}
.faq details[open] summary::after { margin-top: 4px; transform: rotate(-135deg); }
.faq summary:focus-visible { outline-offset: -2px; border-radius: 0; }
.faq details p { max-width: 60ch; margin: 0; padding: 0 var(--space-6) var(--space-4); color: var(--ink-muted); }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-top: var(--space-12); }
.footer__inner { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--space-8); }
.footer__brand { max-width: 320px; }
.footer__text { margin: var(--space-2) 0 0; font-size: 13px; line-height: 18px; color: var(--ink-muted); }
.footer a:not(.brand) { font-size: 13px; line-height: 18px; color: var(--ink-muted); text-decoration: none; }
.footer a:not(.brand):hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.footer .footer__text a { color: var(--accent-text); }
.footer__cols { display: flex; flex-wrap: wrap; gap: var(--space-8) var(--space-16); }
.footer__col { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__heading { margin: 0 0 var(--space-1); font-size: 13px; line-height: 18px; font-weight: 600; color: var(--ink); }
.footer__bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-2) var(--space-6);
  position: relative;
  margin-top: var(--space-12); padding-block: var(--space-6);
}
.footer__bottom::before {
  content: ""; position: absolute; top: 0; inset-inline: var(--space-8);
  border-top: 1px solid var(--line);
}
.footer__bottom p { margin: 0; font-size: 12px; line-height: 16px; color: var(--ink-muted); }
.footer .footer__bottom a { font-size: 12px; line-height: 16px; }

/* ---------- Páginas legales ---------- */
.legal { padding-block: var(--space-12) var(--space-16); }
.legal__head { margin-bottom: var(--space-8); }
.legal__head h1 { margin: 0; color: var(--ink); }
.legal__updated { margin: var(--space-2) 0 0; font-size: 13px; line-height: 18px; color: var(--ink-muted); }
.legal__body { max-width: 68ch; }
.legal__body h2 { margin: var(--space-8) 0 var(--space-2); color: var(--ink); }
.legal__body p:not(.lm-card__subtitle), .legal__body li { color: var(--ink); }
.legal__body p { margin: 0 0 var(--space-3); }
.legal__body ul { margin: 0 0 var(--space-3); padding-left: var(--space-6); }
.legal__body li + li { margin-top: var(--space-1); }
.legal__body a:not(.lm-btn) { color: var(--accent-text); }
.legal__callout { margin: var(--space-6) 0; }
.legal__body .legal__callout h2,
.legal__callout p { margin: 0; }
.legal__callout .lm-card__title { font-family: var(--font-sans); }

/* ---------- Carrito (hoja) ---------- */
.sheet-scrim {
  position: fixed; inset: 0; z-index: 20;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  opacity: 0; visibility: hidden;
  transition: opacity .24s ease, visibility .24s;
}
.sheet {
  position: fixed; z-index: 30;
  top: var(--space-2); right: var(--space-2); bottom: var(--space-2);
  width: min(420px, calc(100vw - var(--space-4)));
  display: flex; flex-direction: column;
  border-radius: var(--radius-xl);
  background: var(--surface-raised);
  box-shadow: var(--shadow-overlay);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity .24s ease, transform .24s ease, visibility .24s;
}
.is-cart-open .sheet-scrim { opacity: 1; visibility: visible; }
.is-cart-open .sheet { opacity: 1; visibility: visible; transform: none; }

.sheet__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-6) var(--space-6) var(--space-4); }
.sheet__head h2 { margin: 0; color: var(--ink); }
.sheet__body { flex: 1; overflow-y: auto; padding: 0 var(--space-6) var(--space-6); }
.rows--sheet .row { padding: var(--space-4) 0; }
.rows--sheet .row:first-child { border-top: 0; }
.price-stack { display: flex; flex-direction: column; align-items: flex-end; }
.price-stack s { font-size: 13px; line-height: 18px; font-variant-numeric: tabular-nums; }
.row__meta--success { color: var(--success); }

.upsell { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 1px solid var(--line); }
.upsell h3 { margin: 0; color: var(--ink); }
.upsell__text { margin: var(--space-1) 0 var(--space-2); font-size: 13px; line-height: 18px; color: var(--ink-muted); }

.empty { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); padding: var(--space-12) 0; text-align: center; }
.empty p { margin: 0; }
.empty__text { margin-bottom: var(--space-4) !important; color: var(--ink-muted); }

.sheet__foot { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-4) var(--space-6) var(--space-6); border-top: 1px solid var(--line); }
.total { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-4); color: var(--ink); }
.total__value {
  font-family: var(--font-display);
  font-size: 24px; line-height: 30px; font-weight: 600; letter-spacing: -.015em;
  font-variant-numeric: tabular-nums;
}
.form-error { margin: 0; font-size: 13px; line-height: 18px; color: var(--danger); }
.sheet__note { margin: 0; font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: .01em; color: var(--ink-muted); text-align: center; }
.sheet__note--start { text-align: left; }
.sheet__note a { color: var(--accent-text); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .site-nav { display: flex; }
  .site-nav__links { display: none; }
  .hero__grid, .packs-main { grid-template-columns: minmax(0, 1fr); }
  .hero__gallery { max-width: 640px; }
}

@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }
  .footer__bottom::before { inset-inline: var(--space-4); }
  .hero { padding-top: var(--space-12); }
  .hero__title { font-size: 34px; line-height: 40px; }
  .hero__gallery { gap: var(--space-2); padding-bottom: var(--space-4); }
  .sample { border-radius: var(--radius-md); }
  .sample:nth-child(even) { margin-top: var(--space-4); }
  .actions .lm-btn { flex: 1 1 auto; }
  .section { padding-top: var(--space-12); }
  .row { grid-template-columns: minmax(0, 1fr) auto; padding-inline: var(--space-4); row-gap: var(--space-2); }
  .row__main { grid-column: 1 / -1; }
  .row__price { align-items: flex-start; text-align: left; }
  .rows--sheet .row { grid-template-columns: minmax(0, 1fr) auto auto; padding-inline: 0; }
  .rows--sheet .row__main { grid-column: auto; }
  .hero { padding-bottom: 0; }
  .lm-card--flush > .lm-card__head { flex-direction: column; padding-inline: var(--space-4); }
  .faq summary { padding-inline: var(--space-4); }
  .faq details p { padding-inline: var(--space-4); }
  .sheet {
    top: auto; left: var(--space-2); width: auto;
    max-height: calc(100dvh - var(--space-12));
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-nav, .site-nav__links a { transition: none; }
  .nav-cta { animation: none; }
  .sheet, .sheet-scrim { transition: none; }
  .sheet { transform: none; }
}