/* =========================================================================
   Tipografías alojadas en el propio servidor (sin peticiones a terceros)
   Archivo — SIL Open Font License 1.1 · IBM Plex Mono — SIL OFL 1.1
   ========================================================================= */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/archivo-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url('../fonts/archivo-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-latin-ext-400.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-latin-ext-500.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-latin-500.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* =========================================================================
   UNITYSPACE — hoja de estilos única
   Blanco, tipográfica, con filetes de 1px. Sin sombras ni degradados.
   ========================================================================= */

:root {
  /* Color */
  --papel:      #ffffff;
  --papel-2:    #f5f3ef;
  --papel-3:    #edeae3;
  --tinta:      #15171a;
  --tinta-2:    #5d636b;
  --tinta-3:    #8b9098;
  --filete:     #ded9d0;
  --filete-2:   #eae6df;
  --acento:     #c4441d;
  --acento-osc: #9d3617;

  /* Tipografía */
  --sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  /* Medidas */
  --ancho:   1300px;
  --canal:   clamp(1.25rem, 4vw, 3.25rem);
  --aire:    clamp(4.5rem, 9vw, 8.5rem);
  --filete-w: 1px;
}

/* --- Reset ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
img { height: auto; }
a { color: inherit; }
button, input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
hr { border: 0; border-top: var(--filete-w) solid var(--filete); margin: 0; }
::selection { background: var(--tinta); color: var(--papel); }

/* --- Utilidades ----------------------------------------------------------- */
.env {
  width: 100%;
  max-width: var(--ancho);
  margin-inline: auto;
  padding-inline: var(--canal);
}
.oculto-visual {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.saltar {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--tinta); color: var(--papel); padding: .75rem 1.25rem;
}
.saltar:focus { left: 0; }
:focus-visible { outline: 2px solid var(--acento); outline-offset: 3px; }

/* --- Tipografía ----------------------------------------------------------- */
.ojo {
  font-family: var(--mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--tinta-3);
  display: block;
}
.titular {
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: .98;
  font-size: clamp(2.75rem, 7.4vw, 5.9rem);
  text-wrap: pretty;
}
.titular em { font-style: normal; box-shadow: inset 0 -.09em 0 var(--acento); }
.t2 {
  font-weight: 600;
  letter-spacing: -.028em;
  line-height: 1.03;
  font-size: clamp(1.9rem, 4vw, 3.1rem);
}
.t3 {
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.15;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}
.t4 { font-weight: 600; font-size: 1.0625rem; letter-spacing: -.01em; line-height: 1.3; }
.parrafo { color: var(--tinta-2); font-size: 1.0625rem; max-width: 62ch; }
.parrafo + .parrafo { margin-top: 1.1em; }
.entradilla { font-size: clamp(1.0625rem, 1.6vw, 1.3rem); line-height: 1.5; color: var(--tinta-2); max-width: 46ch; }
.mono { font-family: var(--mono); font-size: .8125rem; letter-spacing: .01em; }
.cifra { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* --- Botones y enlaces ---------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: .95rem 1.5rem;
  border: var(--filete-w) solid var(--tinta);
  background: var(--tinta); color: var(--papel);
  font-family: var(--mono); font-size: .8125rem; letter-spacing: .1em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; border-radius: 0;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { background: var(--acento); border-color: var(--acento); color: #fff; }
.btn--linea { background: transparent; color: var(--tinta); }
.btn--linea:hover { background: var(--tinta); border-color: var(--tinta); color: var(--papel); }
.btn[disabled] { opacity: .5; pointer-events: none; }
.btn .flecha { transition: transform .18s ease; }
.btn:hover .flecha { transform: translateX(4px); }

.enlace {
  font-family: var(--mono); font-size: .8125rem; letter-spacing: .08em; text-transform: uppercase;
  text-decoration: none; border-bottom: 1px solid var(--filete);
  padding-bottom: .2rem; transition: border-color .18s ease, color .18s ease;
}
.enlace:hover { color: var(--acento); border-color: var(--acento); }

/* --- Cabecera ------------------------------------------------------------- */
.cabecera {
  position: sticky; top: 0; z-index: 40;
  background: var(--papel);
  border-bottom: var(--filete-w) solid var(--filete);
}
.cabecera__fila {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 72px;
}
.marca {
  font-weight: 700; font-size: 1.0625rem; letter-spacing: .2em;
  text-decoration: none; text-transform: uppercase; white-space: nowrap;
}
.marca span { color: var(--acento); }
.nav { display: none; }
.nav ul { display: flex; align-items: center; gap: clamp(1.1rem, 2.4vw, 2.2rem); }
.nav a {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none; color: var(--tinta-2); padding: .4rem 0;
  border-bottom: 1px solid transparent;
}
.nav a:hover { color: var(--tinta); border-color: var(--tinta); }
.nav a[aria-current="page"] { color: var(--tinta); border-color: var(--acento); }
.cabecera__accion { display: none; }

.menu-btn {
  display: inline-flex; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 10px;
  background: none; border: var(--filete-w) solid var(--filete); cursor: pointer;
}
.menu-btn i { display: block; height: 1px; background: var(--tinta); transition: transform .2s ease, opacity .2s ease; }
body.nav-abierta .menu-btn i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.nav-abierta .menu-btn i:nth-child(2) { opacity: 0; }
body.nav-abierta .menu-btn i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.cajon {
  display: none;
  border-top: var(--filete-w) solid var(--filete);
  padding: 1rem var(--canal) 2rem;
}
body.nav-abierta .cajon { display: block; }
.cajon a {
  display: block; padding: .95rem 0; text-decoration: none;
  border-bottom: var(--filete-w) solid var(--filete-2);
  font-size: 1.125rem; font-weight: 500; letter-spacing: -.01em;
}
.cajon .btn { margin-top: 1.5rem; width: 100%; justify-content: center; }

/* --- Portada: héroe ------------------------------------------------------- */
.heroe { padding-top: clamp(3rem, 7vw, 6rem); padding-bottom: clamp(2.5rem, 5vw, 4rem); }
.heroe__rejilla { display: grid; gap: clamp(2rem, 4vw, 3.5rem); }
.heroe__texto { max-width: 17ch; }
.heroe .titular { max-width: 100%; }
.heroe__col { display: flex; flex-direction: column; gap: 1.75rem; }
.heroe__acciones { display: flex; flex-wrap: wrap; gap: .85rem; align-items: center; }
.heroe__nota { font-family: var(--mono); font-size: .75rem; color: var(--tinta-3); letter-spacing: .04em; }

.ficha {
  border-top: var(--filete-w) solid var(--tinta);
  border-bottom: var(--filete-w) solid var(--filete);
  display: grid; grid-template-columns: repeat(2, 1fr);
}
.ficha > div {
  padding: 1.1rem 0 1.2rem;
  border-right: var(--filete-w) solid var(--filete-2);
  padding-right: 1rem;
}
.ficha > div:last-child { border-right: 0; }
.ficha dt {
  font-family: var(--mono); font-size: .625rem; letter-spacing: .16em;
  text-transform: uppercase; color: var(--tinta-3); margin-bottom: .35rem;
}
.ficha dd { margin: 0; font-size: .9375rem; font-weight: 500; letter-spacing: -.01em; }

/* --- Bloques de sección --------------------------------------------------- */
.seccion { padding-block: var(--aire); }
.seccion--filete { border-top: var(--filete-w) solid var(--filete); }
.seccion--papel { background: var(--papel-2); }
.cabecera-seccion {
  display: grid; gap: 1.25rem; margin-bottom: clamp(2.5rem, 5vw, 4rem);
  align-items: end;
}
.cabecera-seccion .parrafo { max-width: 46ch; }

/* --- Índice de servicios (tabla editorial) -------------------------------- */
.indice { border-top: var(--filete-w) solid var(--tinta); }
.fila {
  display: grid;
  grid-template-columns: 3.25rem 1fr auto;
  gap: .5rem 1.25rem;
  align-items: baseline;
  padding: 1.6rem 0;
  border-bottom: var(--filete-w) solid var(--filete);
  text-decoration: none;
  transition: background .16s ease, padding .16s ease;
}
.fila:hover { background: var(--papel-2); padding-inline: 1rem; }
.fila__num { font-family: var(--mono); font-size: .75rem; color: var(--tinta-3); letter-spacing: .05em; }
.fila:hover .fila__num { color: var(--acento); }
.fila__nombre { font-size: clamp(1.15rem, 2.2vw, 1.55rem); font-weight: 600; letter-spacing: -.022em; line-height: 1.2; }
.fila__desc { grid-column: 2; color: var(--tinta-2); font-size: .9375rem; margin-top: .3rem; max-width: 54ch; }
.fila__meta { grid-column: 2; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .8rem; }
.fila__precio {
  font-family: var(--mono); font-size: 1rem; font-variant-numeric: tabular-nums;
  white-space: nowrap; text-align: right; align-self: center;
}
.fila__precio small { display: block; font-size: .625rem; letter-spacing: .1em; text-transform: uppercase; color: var(--tinta-3); margin-top: .2rem; }

.etiqueta {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .06em;
  border: var(--filete-w) solid var(--filete); padding: .25rem .55rem; color: var(--tinta-2);
  white-space: nowrap;
}

/* --- Proceso (pasos numerados) -------------------------------------------- */
.pasos { display: grid; gap: 0; border-top: var(--filete-w) solid var(--tinta); }
.paso { padding: 1.75rem 0; border-bottom: var(--filete-w) solid var(--filete); }
.paso__num {
  font-family: var(--mono); font-size: .75rem; letter-spacing: .12em;
  color: var(--acento); display: block; margin-bottom: .9rem;
}
.paso p { color: var(--tinta-2); font-size: .9375rem; margin-top: .5rem; max-width: 40ch; }

/* --- Banda de imagen ------------------------------------------------------ */
.banda { position: relative; }
.banda img { width: 100%; height: clamp(280px, 46vw, 560px); object-fit: cover; filter: saturate(.86); }
.banda figcaption {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--tinta-3); padding-top: .8rem;
}

/* --- Stack técnico -------------------------------------------------------- */
.stack { display: flex; flex-wrap: wrap; gap: .55rem; }
.stack li {
  font-family: var(--mono); font-size: .8125rem;
  border: var(--filete-w) solid var(--filete); padding: .45rem .8rem; color: var(--tinta-2);
}

/* --- Datos / lista de dos columnas ---------------------------------------- */
.datos { border-top: var(--filete-w) solid var(--filete); }
.datos > div {
  display: grid; grid-template-columns: 1fr; gap: .25rem;
  padding: 1.1rem 0; border-bottom: var(--filete-w) solid var(--filete-2);
}
.datos dt { font-family: var(--mono); font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-3); }
.datos dd { margin: 0; font-size: .9375rem; }

/* --- Lista de comprobación ------------------------------------------------ */
.marcas li {
  position: relative; padding-left: 1.9rem; padding-block: .55rem;
  border-bottom: var(--filete-w) solid var(--filete-2); font-size: .9375rem; color: var(--tinta-2);
}
.marcas li::before {
  content: "—"; position: absolute; left: 0; top: .55rem;
  font-family: var(--mono); color: var(--acento);
}

/* --- Preguntas frecuentes ------------------------------------------------- */
.faq { border-top: var(--filete-w) solid var(--tinta); }
.faq details { border-bottom: var(--filete-w) solid var(--filete); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.35rem 2.5rem 1.35rem 0; position: relative;
  font-weight: 600; font-size: 1.0625rem; letter-spacing: -.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 1.2rem;
  font-family: var(--mono); font-size: 1.25rem; color: var(--tinta-3);
}
.faq details[open] summary::after { content: "–"; color: var(--acento); }
.faq p { color: var(--tinta-2); font-size: .9375rem; padding-bottom: 1.4rem; max-width: 68ch; }

/* --- Llamada final -------------------------------------------------------- */
.cta { background: var(--tinta); color: var(--papel); }
.cta .parrafo { color: #b8bcc2; }
.cta .ojo { color: #7e848c; }
.cta .btn { background: var(--papel); color: var(--tinta); border-color: var(--papel); }
.cta .btn:hover { background: var(--acento); border-color: var(--acento); color: #fff; }
.cta a.enlace { border-color: #3b4046; color: #d7dade; }
.cta a.enlace:hover { color: #fff; border-color: var(--acento); }

/* --- Página de servicio --------------------------------------------------- */
.migas {
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--tinta-3); padding-block: 1.25rem; border-bottom: var(--filete-w) solid var(--filete-2);
}
.migas a { text-decoration: none; }
.migas a:hover { color: var(--acento); }

.compra {
  border: var(--filete-w) solid var(--tinta);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  position: sticky; top: 96px;
}
.compra__precio { font-family: var(--mono); font-size: clamp(2.1rem, 4vw, 2.75rem); letter-spacing: -.03em; line-height: 1; }
.compra__iva { font-family: var(--mono); font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-3); margin-top: .6rem; }
.compra .btn { width: 100%; justify-content: center; margin-top: 1.5rem; }
.compra__lista { margin-top: 1.5rem; border-top: var(--filete-w) solid var(--filete); }
.compra__lista div { display: flex; justify-content: space-between; gap: 1rem; padding: .7rem 0; border-bottom: var(--filete-w) solid var(--filete-2); font-size: .8125rem; }
.compra__lista span:first-child { color: var(--tinta-3); font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; }
.compra__pago { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-top: 1.25rem; }
.compra__pago img { height: 20px; width: auto; opacity: .75; }
.error-pago { color: var(--acento-osc); font-size: .875rem; margin-top: .9rem; display: none; }
.error-pago.visible { display: block; }

/* --- Formularios ---------------------------------------------------------- */
.campo { display: block; margin-bottom: 1.25rem; }
.campo span {
  display: block; font-family: var(--mono); font-size: .6875rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--tinta-3); margin-bottom: .5rem;
}
.campo input, .campo textarea, .campo select {
  width: 100%; padding: .85rem 1rem; background: var(--papel);
  border: var(--filete-w) solid var(--filete); border-radius: 0;
  font-size: 1rem; transition: border-color .16s ease;
}
.campo input:focus, .campo textarea:focus, .campo select:focus { border-color: var(--tinta); outline: none; }
.campo textarea { min-height: 150px; resize: vertical; }
.trampa { position: absolute; left: -9999px; }
.aviso-form { margin-top: 1rem; font-size: .9375rem; display: none; }
.aviso-form.visible { display: block; }
.aviso-form.ok { color: #1d6b3f; }
.aviso-form.mal { color: var(--acento-osc); }
.consentimiento { display: flex; gap: .7rem; align-items: flex-start; font-size: .8125rem; color: var(--tinta-2); margin-bottom: 1.5rem; }
.consentimiento input { width: 18px; height: 18px; margin-top: .15rem; flex: none; }

/* --- Texto legal ---------------------------------------------------------- */
.legal { max-width: 74ch; }
.legal h2 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.02em; margin-top: 2.75rem; margin-bottom: .9rem; }
.legal h3 { font-size: 1rem; font-weight: 600; margin-top: 1.75rem; margin-bottom: .5rem; }
.legal p, .legal li { color: var(--tinta-2); font-size: .9375rem; }
.legal p + p { margin-top: .9rem; }
.legal ul { margin: .9rem 0; }
.legal li { position: relative; padding-left: 1.4rem; margin-bottom: .45rem; }
.legal li::before { content: "—"; position: absolute; left: 0; color: var(--tinta-3); }
.legal table { width: 100%; border-collapse: collapse; margin: 1.25rem 0; font-size: .875rem; }
.legal th, .legal td { text-align: left; padding: .7rem .8rem; border: var(--filete-w) solid var(--filete); vertical-align: top; }
.legal th { background: var(--papel-2); font-family: var(--mono); font-size: .6875rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; }
.legal a { color: var(--tinta); }

/* --- Pie ------------------------------------------------------------------ */
.pie { border-top: var(--filete-w) solid var(--tinta); padding-top: clamp(3rem, 6vw, 4.5rem); padding-bottom: 2.5rem; }
.pie__rejilla { display: grid; gap: 2.5rem; }
.pie h4 { font-family: var(--mono); font-size: .6875rem; letter-spacing: .16em; text-transform: uppercase; color: var(--tinta-3); margin-bottom: 1.1rem; font-weight: 400; }
.pie li { margin-bottom: .6rem; }
.pie a { text-decoration: none; font-size: .9375rem; color: var(--tinta-2); border-bottom: 1px solid transparent; }
.pie a:hover { color: var(--tinta); border-color: var(--acento); }
.pie__legal { color: var(--tinta-2); font-size: .8125rem; line-height: 1.7; }
.pie__base {
  margin-top: clamp(2.5rem, 5vw, 4rem); padding-top: 1.5rem;
  border-top: var(--filete-w) solid var(--filete);
  display: flex; flex-wrap: wrap; gap: 1.25rem; justify-content: space-between; align-items: center;
}
.pie__copy { font-family: var(--mono); font-size: .6875rem; letter-spacing: .06em; color: var(--tinta-3); }
.pagos { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.pagos img { height: 21px; width: auto; opacity: .7; }
.pagos img.alto { height: 17px; }

/* --- Carrito: botón de la cabecera ---------------------------------------- */
.cabecera__acciones { display: flex; align-items: center; gap: .75rem; }
.carrito-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; padding: 0;
  background: none; border: var(--filete-w) solid var(--filete); cursor: pointer;
  color: var(--tinta); transition: border-color .18s ease, color .18s ease;
}
.carrito-btn:hover { border-color: var(--tinta); color: var(--acento); }
.carrito-cuenta {
  position: absolute; top: -8px; right: -8px; min-width: 20px; height: 20px; padding: 0 5px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--acento); color: #fff; border-radius: 999px;
  font-family: var(--mono); font-size: .625rem; font-weight: 500; line-height: 1;
}

/* --- Carrito: panel deslizante -------------------------------------------- */
.carrito-fondo {
  position: fixed; inset: 0; z-index: 60; background: rgba(21, 23, 26, .38);
  opacity: 0; transition: opacity .28s ease;
}
.carrito-fondo.visible { opacity: 1; }
.carrito {
  position: fixed; top: 0; right: 0; z-index: 61;
  width: min(430px, 100%); height: 100%;
  background: var(--papel); border-left: var(--filete-w) solid var(--tinta);
  display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform .3s cubic-bezier(.3,.7,.2,1);
}
.carrito.abierto { transform: none; }
.carrito__cab {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.4rem var(--canal); border-bottom: var(--filete-w) solid var(--filete); flex: none;
}
.carrito__x {
  display: inline-flex; width: 40px; height: 40px; align-items: center; justify-content: center;
  background: none; border: var(--filete-w) solid var(--filete); cursor: pointer; color: var(--tinta);
  transition: border-color .18s ease, color .18s ease;
}
.carrito__x:hover { border-color: var(--tinta); color: var(--acento); }
.carrito__cuerpo { flex: 1 1 auto; overflow-y: auto; padding: 0 var(--canal); }
.carrito__vacio { padding: 2.5rem var(--canal); }
.carrito__pie { flex: none; padding: 1.4rem var(--canal) 1.6rem; border-top: var(--filete-w) solid var(--tinta); }

.carrito-item {
  display: grid; grid-template-columns: 1fr auto; gap: .35rem 1rem; align-items: start;
  padding: 1.3rem 0; border-bottom: var(--filete-w) solid var(--filete);
}
.carrito-item__nombre { font-weight: 600; font-size: 1rem; letter-spacing: -.015em; line-height: 1.25; }
.carrito-item__ref { grid-column: 1; font-family: var(--mono); font-size: .625rem; letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-3); }
.carrito-item__precio { font-family: var(--mono); font-size: .9375rem; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.carrito-item__fila { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: .55rem; }

.pasos-qty { display: inline-flex; align-items: center; border: var(--filete-w) solid var(--filete); }
.pasos-qty button {
  width: 34px; height: 34px; background: none; border: 0; cursor: pointer; color: var(--tinta);
  font-family: var(--mono); font-size: 1.05rem; line-height: 1; transition: background .15s ease, color .15s ease;
}
.pasos-qty button:hover { background: var(--papel-2); color: var(--acento); }
.pasos-qty span { min-width: 34px; text-align: center; font-family: var(--mono); font-size: .875rem; font-variant-numeric: tabular-nums; }
.carrito-quitar {
  background: none; border: 0; cursor: pointer; padding: 0;
  font-family: var(--mono); font-size: .6875rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--tinta-3); border-bottom: 1px solid transparent; transition: color .15s ease, border-color .15s ease;
}
.carrito-quitar:hover { color: var(--acento-osc); border-color: var(--acento-osc); }

.carrito__total { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.1rem; }
.carrito__total > span:first-child { font-family: var(--mono); font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-3); }
.carrito__total > span:first-child small { display: block; margin-top: .2rem; }
.carrito__total .cifra { font-size: 1.6rem; letter-spacing: -.02em; }
.carrito__pie .btn { width: 100%; justify-content: center; }
.carrito__pagos { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; margin-top: 1.1rem; }
.carrito__pagos img { height: 17px; width: auto; opacity: .7; }
.carrito__nota { color: var(--tinta-3); font-size: .6875rem; line-height: 1.6; margin-top: .9rem; }
body.sin-scroll { overflow: hidden; }

/* --- Animación de entrada (sólo con JS activo) ---------------------------- */
.js .revelar { opacity: 0; transform: translateY(14px); }
.js .revelar.visto { opacity: 1; transform: none; transition: opacity .55s ease, transform .55s cubic-bezier(.2,.7,.3,1); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .revelar, .js .revelar.visto { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* =========================================================================
   Puntos de ruptura (siempre DESPUÉS de las reglas base)
   ========================================================================= */
@media (max-width: 639px) {
  /* en dos columnas, la celda de la derecha no lleva filete */
  .ficha > div:nth-child(2n) { border-right: 0; }
}

@media (min-width: 640px) {
  .ficha { grid-template-columns: repeat(4, 1fr); }
  .fila { grid-template-columns: 3.25rem 1fr 11rem; }
  .datos > div { grid-template-columns: 12rem 1fr; gap: 1.5rem; align-items: baseline; }
}

@media (min-width: 900px) {
  .cabecera-seccion { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 3rem; }
  .pasos { grid-template-columns: repeat(4, 1fr); border-bottom: var(--filete-w) solid var(--filete); }
  .paso { border-bottom: 0; border-right: var(--filete-w) solid var(--filete); padding: 2rem 1.75rem 2.5rem 0; }
  .paso:last-child { border-right: 0; }
  .paso:not(:first-child) { padding-left: 1.75rem; }
  .pie__rejilla { grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 3rem; }
  .heroe__rejilla { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); align-items: end; }
  .dos-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); }
  .servicio__rejilla { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
  .contacto__rejilla { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(2.5rem, 6vw, 6rem); }
  .par-campos { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
}

@media (min-width: 1000px) {
  .nav { display: block; }
  .cabecera__accion { display: inline-flex; }
  .menu-btn { display: none; }
  .cajon { display: none !important; }
  .cabecera__fila { min-height: 84px; }
}