/* ============================================================
   DONADÓN · reset, tipografía y primitivas de layout
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; text-wrap: balance; font-family: var(--font-display); font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--border); margin: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 0.1rem;
  border-radius: var(--radius-xs);
}

::selection { background: var(--accent-soft); }

/* ---- tipografía --------------------------------------------- */
.display { font-family: var(--font-display); font-size: var(--fs-display); line-height: 1; letter-spacing: -0.03em; font-weight: 700; }
.h1 { font-size: var(--fs-h1); line-height: 1.1; letter-spacing: -0.022em; }
.h2 { font-size: var(--fs-h2); line-height: 1.2;  letter-spacing: -0.015em; }
.h3 { font-size: var(--fs-h3); line-height: 1.4; letter-spacing: -0.008em; }
h1 { font-size: var(--fs-h1); line-height: 1.1; letter-spacing: -0.022em; }
h2 { font-size: var(--fs-h2); line-height: 1.2;  letter-spacing: -0.015em; }
h3 { font-size: var(--fs-h3); line-height: 1.4; letter-spacing: -0.008em; }

.lead    { font-size: var(--fs-lead); line-height: 1.6; color: var(--muted); max-width: 62ch; }
.small   { font-size: var(--fs-sm); }
.meta    { font-family: var(--font-mono); font-size: var(--fs-meta); color: var(--muted); letter-spacing: 0.01em; }
.num     { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.muted   { color: var(--muted); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7em;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow-quiet { color: var(--muted); }
.strike { text-decoration: line-through; color: var(--muted); }

/* ---- layout ------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container-narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(2.5rem, 6vw, 5rem); }
.section-tight { padding-block: clamp(1.5rem, 4vw, 3rem); }

.stack { display: grid; gap: var(--sp-4); }
.stack-sm { gap: var(--sp-2); }
.stack-lg { gap: var(--sp-6); }

.row { display: flex; align-items: center; gap: var(--sp-3); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); }
.row-wrap { flex-wrap: wrap; }
.row-top { align-items: flex-start; }
.spacer { flex: 1 1 auto; }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-sidebar { grid-template-columns: 16.5rem minmax(0, 1fr); gap: var(--sp-6); align-items: start; }
.grid-detail  { grid-template-columns: minmax(0, 1fr) 23.8rem; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }

/* Grillas de producto: auto-fit, sin saltos bruscos entre 360 y 1920 */
.grid-products {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fill, minmax(13.1rem, 1fr));
}
@media (max-width: 28.8em) {
  .grid-products { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
}

.sticky-side { position: sticky; top: calc(var(--header-h) + var(--sp-4)); }

/* ---- utilidades --------------------------------------------- */
.center { text-align: center; }
.right  { text-align: right; }
.full   { width: 100%; }
.hide   { display: none !important; }
[hidden] { display: none !important; }
.nowrap { white-space: nowrap; }
.sr-only {
  position: absolute; width: 0.1rem; height: 0.1rem;
  padding: 0; margin: -0.1rem; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* ---- breakpoints -------------------------------------------- */
@media (max-width: 73.8em) {
  .grid-detail { grid-template-columns: minmax(0, 1fr) 20.6rem; }
}
@media (max-width: 64em) {
  .grid-detail { grid-template-columns: minmax(0, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 56.2em) {
  .grid-sidebar { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sticky-side { position: static; }
}
@media (max-width: 40em) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
  .hide-sm { display: none !important; }
}
@media (min-width: 40.1em) {
  .only-sm { display: none !important; }
}

/* --------------------------------------------------------------------------
   Area segura del telefono (muesca, reloj, barra inferior)

   Hace falta porque la pagina declara `viewport-fit=cover`: el contenido llega
   hasta el borde fisico de la pantalla. Sin esto, en la aplicacion instalada la
   cabecera queda debajo del reloj. En el navegador comun no se nota, y por eso
   es una falla que solo aparece una vez instalada.
   ----------------------------------------------------------------------- */
.topbar {
  padding-top: calc(var(--s-2) + env(safe-area-inset-top, 0px));
  padding-left: calc(clamp(12px, 2.5vw, 28px) + env(safe-area-inset-left, 0px));
  padding-right: calc(clamp(12px, 2.5vw, 28px) + env(safe-area-inset-right, 0px));
}
body {
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
}

/* En iPhone sin instalar, el boton de pantalla completa no puede cumplir:
   se marca para que se lea como sugerencia y no como accion rota. */
html[data-sin-pantalla-completa="si"] [data-act="fullscreen"],
html[data-sin-pantalla-completa="si"] [data-x="fullscreen"],
html[data-sin-pantalla-completa="si"] .btn-fullscreen { opacity: .55; }