/* ==========================================================================
   Plano Studio — Sistema de diseño
   Paleta, tipografía, componentes base. Todos los valores viven como tokens.
   ========================================================================== */

@layer od-layout {
  :where(.od-stack,.od-row,.od-row-top,.od-cluster,.od-grid,.od-field,.od-stat,.od-cell,.od-tile) > :where(*) { min-width: 0; }
  .od-stack   { display: flex; flex-direction: column; gap: var(--od-gap, 8px); }
  .od-row     { display: flex; align-items: center; gap: var(--od-gap, 8px); }
  .od-row-top { display: flex; align-items: flex-start; gap: var(--od-gap, 8px); }
  .od-cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--od-gap, 8px); }
  .od-fill    { flex: 1 1 0; min-width: 0; }
  .od-fixed   { flex: none; }
  .od-grid    { display: grid; gap: var(--od-gap, 12px); grid-template-columns: repeat(var(--od-cols, 3), minmax(0, 1fr)); }
  .od-stat, .od-field, .od-cell { display: grid; gap: var(--od-gap, 2px); }
  :where(.od-stat,.od-field,.od-cell) > :where(*) { display: block; }
  .od-tile { display: grid; grid-template-rows: auto 1fr; }
  :where(.od-tile) > :where(*) { display: block; }
  .od-media { display: block; width: 100%; height: auto; aspect-ratio: var(--od-ratio, auto); }
  .od-media-cover { object-fit: cover; }
  .od-truncate { display: block; max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
  .od-clamp-2, .od-clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
  .od-clamp-2 { -webkit-line-clamp: 2; }
  .od-clamp-3 { -webkit-line-clamp: 3; }
  .od-lines-2 { min-height: calc(2 * 1.4em); }
  .od-nowrap  { white-space: nowrap; }
  .od-keep    { word-break: keep-all; overflow-wrap: anywhere; }
  .od-screen { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; height: 100%; }
  .od-scroll { overflow-y: auto; overscroll-behavior: contain; min-height: 0; }
  .od-rail { display: flex; gap: var(--od-gap, 8px); overflow-x: auto; scroll-snap-type: x proximity; scrollbar-width: none; padding-inline: var(--od-rail-pad, 16px); scroll-padding-inline: var(--od-rail-pad, 16px); }
  .od-rail::-webkit-scrollbar { display: none; }
  :where(.od-rail) > :where(*) { flex: none; scroll-snap-align: start; }
  :where(.od-rail) > :where(:last-child) { margin-inline-end: var(--od-rail-pad, 16px); }
  .od-spacer { flex: none; visibility: hidden; pointer-events: none; }
  .od-touch  { min-width: 44px; min-height: 44px; }
}

:root {
  /* --- Paleta de marca --- */
  --azul-petroleo: #153844;
  --terracota: #C37D6F;
  --rojo-acento: #C13A2E;
  --celeste-claro: #BCD8DA;
  --blanco-niebla: #EAF3F3;

  /* --- Derivados --- */
  --tinta: #0e2830;
  --texto: #1f3b44;
  --texto-suave: #4d6570;
  --linea: rgba(21, 56, 68, 0.14);
  --linea-fuerte: rgba(21, 56, 68, 0.24);
  --superficie: #ffffff;
  --superficie-2: #f4f9f9;
  --sobre-oscuro: #e9f2f2;
  --sobre-oscuro-suave: #a9c2c6;
  --exito: #2f6f4f;
  --exito-bg: #e6f3ec;

  /* --- Tipografía --- */
  --fuente-display: "Jost", ui-sans-serif, system-ui, sans-serif;
  --fuente-cuerpo: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --fuente-script: "Great Vibes", cursive;

  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: clamp(2.4rem, 5vw, 3.75rem);
  --tracking-brand: 0.34em;

  /* --- Espaciado (base 4/8) --- */
  --e1: 0.25rem;
  --e2: 0.5rem;
  --e3: 0.75rem;
  --e4: 1rem;
  --e5: 1.5rem;
  --e6: 2rem;
  --e7: 3rem;
  --e8: 4rem;
  --e9: 6rem;
  --seccion: clamp(3rem, 8vw, 6rem);

  /* --- Formas --- */
  --radio-sm: 2px;
  --radio: 4px;
  --radio-md: 6px;
  --borde: 1px solid var(--linea);

  /* --- Movimiento --- */
  --t-rapida: 160ms;
  --t-media: 240ms;
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in: cubic-bezier(0.4, 0, 0.8, 0.5);

  --ancho: 1180px;
  --sombra: 0 18px 48px -28px rgba(14, 40, 48, 0.5);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--fuente-cuerpo);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--texto);
  background: var(--blanco-niebla);
  -webkit-font-smoothing: antialiased;
}
img, svg, video { max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--fuente-display); font-weight: 400; line-height: 1.15; color: var(--azul-petroleo); margin: 0; letter-spacing: 0.01em; }
h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
p { margin: 0 0 var(--e4); }
:focus-visible { outline: 2px solid var(--terracota); outline-offset: 3px; border-radius: var(--radio-sm); }
::selection { background: var(--celeste-claro); color: var(--azul-petroleo); }

/* --- Layout --- */
.container { width: 100%; max-width: var(--ancho); margin-inline: auto; padding-inline: var(--e5); }
.section { padding-block: var(--seccion); }
.section--alt { background: var(--superficie-2); }
.section--dark { background: var(--azul-petroleo); color: var(--sobre-oscuro); }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section__head { max-width: 62ch; margin-bottom: var(--e7); }
.eyebrow { font-family: var(--fuente-display); text-transform: uppercase; letter-spacing: var(--tracking-brand); font-size: var(--fs-xs); color: var(--terracota); margin: 0 0 var(--e3); }
.section--dark .eyebrow { color: var(--celeste-claro); }
.lead { font-size: var(--fs-md); color: var(--texto-suave); }
.section--dark .lead { color: var(--sobre-oscuro-suave); }

/* --- Marca / logo --- */
.brand { display: inline-flex; align-items: center; gap: var(--e3); }
.brand__mark { width: 34px; height: 34px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--fuente-display); font-weight: 400; letter-spacing: var(--tracking-brand); font-size: 1.05rem; text-transform: uppercase; }
.brand__sub { font-family: var(--fuente-script); font-size: 1.15rem; color: var(--terracota); margin-top: -2px; }
.section--dark .brand__name, .site-header--dark .brand__name { color: #fff; }

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--e2);
  min-height: 46px; padding: 0 var(--e5);
  border: 1px solid transparent; border-radius: var(--radio);
  font-family: var(--fuente-display); font-size: var(--fs-sm); letter-spacing: 0.06em; text-transform: uppercase;
  background: transparent; color: var(--azul-petroleo); cursor: pointer;
  transition: background var(--t-rapida) var(--ease-out), color var(--t-rapida) var(--ease-out), border-color var(--t-rapida) var(--ease-out), transform var(--t-rapida) var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--azul-petroleo); color: #fff; }
.btn--primary:hover { background: #0e2830; }
.btn--accent { background: var(--terracota); color: #fff; }
.btn--accent:hover { background: #b06a5c; }
.btn--ghost { border-color: var(--linea-fuerte); color: var(--azul-petroleo); }
.btn--ghost:hover { border-color: var(--azul-petroleo); background: rgba(21, 56, 68, 0.05); }
.section--dark .btn--ghost { border-color: rgba(255,255,255,0.4); color: #fff; }
.section--dark .btn--ghost:hover { background: rgba(255,255,255,0.1); }
.btn--danger { color: var(--rojo-acento); border-color: transparent; }
.btn--danger:hover { background: rgba(193, 58, 46, 0.08); }
.btn--block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.5; cursor: not-allowed; }
.btn--sm { min-height: 38px; padding: 0 var(--e4); font-size: var(--fs-xs); }

/* --- Header --- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(234, 243, 243, 0.92); backdrop-filter: blur(10px);
  border-bottom: var(--borde);
}
.site-header__inner { display: flex; align-items: center; gap: var(--e5); min-height: 72px; }
.site-nav { display: flex; align-items: center; gap: var(--e5); margin-inline: auto; }
.site-nav a { font-size: var(--fs-sm); color: var(--texto); padding-block: var(--e2); border-bottom: 1px solid transparent; transition: border-color var(--t-rapida), color var(--t-rapida); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--azul-petroleo); border-bottom-color: var(--terracota); }
.header-actions { display: flex; align-items: center; gap: var(--e2); }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid transparent; border-radius: var(--radio); background: transparent; cursor: pointer; color: var(--azul-petroleo); position: relative; transition: background var(--t-rapida); }
.icon-btn:hover { background: rgba(21,56,68,0.06); }
.nav-toggle { display: none; }
.cart-count { position: absolute; top: 4px; right: 4px; min-width: 18px; height: 18px; padding: 0 4px; border-radius: 999px; background: var(--rojo-acento); color: #fff; font-size: 11px; line-height: 18px; text-align: center; font-family: var(--fuente-display); }
.cart-count[hidden] { display: none; }

/* --- Hero --- */
.hero { position: relative; background: var(--azul-petroleo); color: var(--sobre-oscuro); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--e7); align-items: center; padding-block: clamp(3rem, 7vw, 6rem); }
.hero h1 { color: #fff; max-width: 18ch; }
.hero p { color: var(--sobre-oscuro-suave); font-size: var(--fs-md); max-width: 46ch; }
.hero__cta { display: flex; flex-wrap: wrap; gap: var(--e3); margin-top: var(--e5); }
.hero__media { position: relative; }
.hero__media img { border-radius: var(--radio-md); aspect-ratio: 4 / 3; object-fit: cover; box-shadow: var(--sombra); }
.hero__stats { display: flex; flex-wrap: wrap; gap: var(--e6); margin-top: var(--e7); border-top: 1px solid rgba(255,255,255,0.16); padding-top: var(--e5); }
.hero__stats .od-stat strong { font-family: var(--fuente-display); font-size: var(--fs-xl); color: #fff; }
.hero__stats .od-stat span { font-size: var(--fs-xs); color: var(--sobre-oscuro-suave); letter-spacing: 0.06em; text-transform: uppercase; }

/* --- Grids --- */
.cards { display: grid; gap: var(--e5); grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.split { display: grid; gap: var(--e7); grid-template-columns: 1fr 1fr; align-items: center; }
.split--aside { grid-template-columns: 1.35fr 0.8fr; align-items: start; }
.services { display: grid; gap: var(--e4); grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

/* --- Servicio --- */
.service { background: var(--superficie); border: var(--borde); border-radius: var(--radio-md); padding: var(--e5); transition: border-color var(--t-media), transform var(--t-media) var(--ease-out); }
.service:hover { border-color: var(--linea-fuerte); transform: translateY(-3px); }
.service__ico { width: 40px; height: 40px; color: var(--terracota); margin-bottom: var(--e4); }
.service h3 { margin-bottom: var(--e2); }
.service p { color: var(--texto-suave); font-size: var(--fs-sm); margin: 0; }

/* --- Tarjeta de proyecto --- */
.card { background: var(--superficie); border: var(--borde); border-radius: var(--radio-md); overflow: hidden; display: flex; flex-direction: column; transition: border-color var(--t-media), box-shadow var(--t-media), transform var(--t-media) var(--ease-out); }
.card:hover { border-color: var(--linea-fuerte); box-shadow: var(--sombra); transform: translateY(-4px); }
.card__media { position: relative; display: block; background: var(--celeste-claro); }
.card__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.card__badge { position: absolute; top: var(--e3); left: var(--e3); }
.card__body { padding: var(--e4) var(--e5) var(--e5); display: flex; flex-direction: column; gap: var(--e2); flex: 1; }
.card__cat { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.12em; color: var(--texto-suave); }
.card__title { font-size: var(--fs-md); }
.card__meta { display: flex; flex-wrap: wrap; gap: var(--e3); font-size: var(--fs-xs); color: var(--texto-suave); }
.card__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: var(--e3); padding-top: var(--e3); }
.price { font-family: var(--fuente-display); font-size: var(--fs-lg); color: var(--azul-petroleo); }
.price small { font-size: 0.7em; color: var(--texto-suave); }

.badge { display: inline-flex; align-items: center; padding: 3px 9px; border-radius: var(--radio-sm); font-family: var(--fuente-display); font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; background: var(--celeste-claro); color: var(--azul-petroleo); }
.badge--accent { background: var(--rojo-acento); color: #fff; }
.badge--terracota { background: var(--terracota); color: #fff; }
.badge--muted { background: rgba(21,56,68,0.08); color: var(--texto-suave); }

/* --- Testimonios --- */
.quotes { display: grid; gap: var(--e5); grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.quote { background: var(--superficie); border: var(--borde); border-radius: var(--radio-md); padding: var(--e5); display: flex; flex-direction: column; gap: var(--e4); }
.quote blockquote { margin: 0; font-size: var(--fs-md); color: var(--azul-petroleo); }
.quote figcaption { font-size: var(--fs-sm); color: var(--texto-suave); }
.quote .stars { color: var(--terracota); letter-spacing: 2px; }

/* --- Filtros --- */
.filters { display: grid; gap: var(--e4); grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); align-items: end; background: var(--superficie); border: var(--borde); border-radius: var(--radio-md); padding: var(--e5); }
.filters__actions { display: flex; gap: var(--e3); align-items: center; }
.results-bar { display: flex; align-items: center; justify-content: space-between; gap: var(--e4); margin-block: var(--e5); flex-wrap: wrap; }

/* --- Formularios --- */
.field { gap: var(--e2); }
.field > label { font-size: var(--fs-sm); font-weight: 500; color: var(--azul-petroleo); }
.field .req { color: var(--rojo-acento); }
.field__hint { font-size: var(--fs-xs); color: var(--texto-suave); }
input, select, textarea {
  width: 100%; min-height: 46px; padding: var(--e3) var(--e4);
  background: var(--superficie); border: 1px solid var(--linea-fuerte); border-radius: var(--radio);
  transition: border-color var(--t-rapida), box-shadow var(--t-rapida);
}
textarea { min-height: 130px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: var(--azul-petroleo); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--terracota); box-shadow: 0 0 0 3px rgba(195, 125, 111, 0.2); }
.field--error input, .field--error select, .field--error textarea { border-color: var(--rojo-acento); }
.field__error { display: none; font-size: var(--fs-xs); color: var(--rojo-acento); }
.field--error .field__error { display: block; }
.form-grid { display: grid; gap: var(--e4); grid-template-columns: 1fr 1fr; }
.form-grid .field--full { grid-column: 1 / -1; }
.check { display: flex; gap: var(--e3); align-items: flex-start; font-size: var(--fs-sm); }
.check input { width: auto; min-height: 0; margin-top: 4px; }
.alert { padding: var(--e4) var(--e5); border-radius: var(--radio); border: 1px solid var(--linea-fuerte); font-size: var(--fs-sm); }
.alert--success { background: var(--exito-bg); border-color: rgba(47,111,79,.3); color: var(--exito); }
.alert--error { background: rgba(193,58,46,.08); border-color: rgba(193,58,46,.3); color: var(--rojo-acento); }
.alert[hidden] { display: none; }

/* --- Acordeón --- */
.accordion { border-top: var(--borde); }
.accordion__item { border-bottom: var(--borde); }
.accordion__trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--e4); padding: var(--e5) 0; background: none; border: 0; cursor: pointer; text-align: left; font-family: var(--fuente-display); font-size: var(--fs-md); color: var(--azul-petroleo); }
.accordion__trigger .chev { transition: transform var(--t-media) var(--ease-out); flex: none; }
.accordion__trigger[aria-expanded="true"] .chev { transform: rotate(180deg); }
.accordion__panel { overflow: hidden; height: 0; transition: height var(--t-media) var(--ease-out); }
.accordion__panel__inner { padding-bottom: var(--e5); color: var(--texto-suave); max-width: 75ch; }

/* --- Galería / lightbox --- */
.gallery { columns: 3 260px; column-gap: var(--e4); }
.gallery__item { display: block; width: 100%; padding: 0; break-inside: avoid; margin-bottom: var(--e4); border-radius: var(--radio-md); overflow: hidden; border: var(--borde); cursor: zoom-in; position: relative; background: var(--celeste-claro); }
.gallery__item img { display: block; width: 100%; transition: transform var(--t-media) var(--ease-out); }
.gallery__item:hover img { transform: scale(1.03); }
.gallery__tag { position: absolute; left: var(--e3); bottom: var(--e3); }
.lightbox { position: fixed; inset: 0; z-index: 120; display: none; align-items: center; justify-content: center; background: rgba(14,40,48,0.9); padding: var(--e5); }
.lightbox[open], .lightbox.is-open { display: flex; }
.lightbox img { max-width: min(1100px, 92vw); max-height: 86vh; object-fit: contain; border-radius: var(--radio-md); }
.lightbox__close { position: absolute; top: var(--e4); right: var(--e4); color: #fff; background: rgba(255,255,255,0.12); }

/* --- Carrito / drawer --- */
.drawer-scrim { position: fixed; inset: 0; z-index: 90; background: rgba(14,40,48,0.5); opacity: 0; visibility: hidden; transition: opacity var(--t-media), visibility var(--t-media); }
.drawer-scrim.is-open { opacity: 1; visibility: visible; }
.drawer { position: fixed; top: 0; right: 0; z-index: 100; height: 100%; width: min(420px, 100%); background: var(--blanco-niebla); border-left: var(--borde); display: flex; flex-direction: column; transform: translateX(100%); transition: transform var(--t-media) var(--ease-out); }
.drawer.is-open { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding: var(--e5); border-bottom: var(--borde); }
.drawer__body { flex: 1; overflow-y: auto; padding: var(--e5); }
.drawer__foot { padding: var(--e5); border-top: var(--borde); background: var(--superficie); }
.cart-line { display: grid; grid-template-columns: 72px 1fr auto; gap: var(--e4); padding-block: var(--e4); border-bottom: var(--borde); }
.cart-line:last-child { border-bottom: 0; }
.cart-line img { width: 72px; height: 72px; object-fit: cover; border-radius: var(--radio); }
.cart-line__title { font-size: var(--fs-sm); font-family: var(--fuente-display); }
.qty { display: inline-flex; align-items: center; border: var(--borde); border-radius: var(--radio); }
.qty button { width: 34px; height: 34px; background: none; border: 0; cursor: pointer; font-size: var(--fs-md); color: var(--azul-petroleo); }
.qty button:hover { background: rgba(21,56,68,0.06); }
.qty input { width: 44px; min-height: 0; text-align: center; border: 0; border-inline: var(--borde); border-radius: 0; padding: var(--e1); }
.cart-empty { text-align: center; color: var(--texto-suave); padding: var(--e6) 0; }
.totals { display: grid; gap: var(--e2); font-size: var(--fs-sm); }
.totals__row { display: flex; justify-content: space-between; }
.totals__row--grand { font-family: var(--fuente-display); font-size: var(--fs-lg); color: var(--azul-petroleo); border-top: var(--borde); padding-top: var(--e3); margin-top: var(--e2); }

/* --- Ficha de producto --- */
.product { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--e7); align-items: start; }
.product__media-main { border: var(--borde); border-radius: var(--radio-md); overflow: hidden; background: var(--celeste-claro); }
.product__media-main img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.product__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--e3); margin-top: var(--e3); }
.product__thumbs button { padding: 0; border: var(--borde); border-radius: var(--radio); overflow: hidden; cursor: pointer; background: none; }
.product__thumbs button[aria-current="true"] { border-color: var(--azul-petroleo); }
.product__thumbs img { aspect-ratio: 1; object-fit: cover; display: block; }
.product__price { font-family: var(--fuente-display); font-size: var(--fs-2xl); color: var(--azul-petroleo); }
.specs { list-style: none; margin: 0; padding: 0; border-top: var(--borde); }
.specs li { display: flex; justify-content: space-between; gap: var(--e4); padding: var(--e3) 0; border-bottom: var(--borde); font-size: var(--fs-sm); }
.specs li span:first-child { color: var(--texto-suave); }
.includes { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--e3); }
.includes li { display: flex; gap: var(--e3); align-items: flex-start; font-size: var(--fs-sm); }
.includes svg { flex: none; color: var(--terracota); margin-top: 3px; }
.breadcrumb { display: flex; gap: var(--e2); font-size: var(--fs-xs); color: var(--texto-suave); padding-block: var(--e5); flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--azul-petroleo); }

/* --- Sección de pasos --- */
.steps { counter-reset: paso; display: grid; gap: var(--e5); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { border-top: 1px solid var(--linea-fuerte); padding-top: var(--e4); }
.step::before { counter-increment: paso; content: "0" counter(paso); font-family: var(--fuente-display); font-size: var(--fs-sm); color: var(--terracota); letter-spacing: 0.12em; }
.step h3 { margin-block: var(--e2); font-size: var(--fs-md); }
.step p { color: var(--texto-suave); font-size: var(--fs-sm); margin: 0; }

/* --- Mapa --- */
.map { border: var(--borde); border-radius: var(--radio-md); overflow: hidden; aspect-ratio: 16 / 9; background: var(--celeste-claro); }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }

/* --- Toast --- */
.toast-stack { position: fixed; left: 50%; transform: translateX(-50%); bottom: var(--e5); z-index: 140; display: grid; gap: var(--e2); width: min(420px, calc(100% - 2rem)); }
.toast { display: flex; align-items: center; gap: var(--e3); padding: var(--e3) var(--e4); border-radius: var(--radio); background: var(--azul-petroleo); color: #fff; box-shadow: var(--sombra); font-size: var(--fs-sm); animation: toast-in var(--t-media) var(--ease-out); }
.toast--ok { background: var(--exito); }
.toast svg { flex: none; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* --- Footer --- */
.site-footer { background: var(--azul-petroleo); color: var(--sobre-oscuro-suave); padding-block: var(--e8) var(--e6); }
.site-footer h4 { color: #fff; font-family: var(--fuente-display); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.14em; margin-bottom: var(--e4); }
.footer-grid { display: grid; gap: var(--e6); grid-template-columns: 1.4fr 1fr 1fr 1fr; }
.site-footer a { color: var(--sobre-oscuro-suave); font-size: var(--fs-sm); }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--e3); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.14); margin-top: var(--e7); padding-top: var(--e5); display: flex; justify-content: space-between; gap: var(--e4); flex-wrap: wrap; font-size: var(--fs-xs); }
.social { display: flex; gap: var(--e3); }

/* --- Reveal --- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 500ms var(--ease-out), transform 500ms var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

/* --- Utilidades --- */
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--e4); }
.mt-5 { margin-top: var(--e5); }
.mt-6 { margin-top: var(--e6); }
.text-center { text-align: center; }
.muted { color: var(--texto-suave); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* --- Responsive --- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery { columns: 2 240px; }
}
@media (max-width: 860px) {
  .hero__grid, .split, .product { grid-template-columns: 1fr; }
  .site-nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: flex-start; gap: 0; background: var(--blanco-niebla); border-bottom: var(--borde); padding: var(--e4) var(--e5) var(--e5); transform: translateY(-120%); transition: transform var(--t-media) var(--ease-out); }
  .site-nav.is-open { transform: none; }
  .site-nav a { width: 100%; padding-block: var(--e4); border-bottom: var(--borde); }
  .nav-toggle { display: inline-flex; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .container { padding-inline: var(--e4); }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery { columns: 1; }
  .hero__stats { gap: var(--e5); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}