/* ==================================================================
   COLD2HORSE — Home 04 · MEZCLA
   Base: el lenguaje oscuro del concepto 02 (Barlow Condensed + cian).
   Las dos secciones que vienen del concepto 01 (gráfica del hielo y
   protocolo de uso) están adaptadas a fondo oscuro.
   ================================================================== */

:root {
  --ice: oklch(0.74 0.132 224);
  --ice-hi: oklch(0.86 0.076 220);
  --ice-lo: oklch(0.55 0.145 236);

  --ink: oklch(0.145 0.012 240);
  --ink-2: oklch(0.19 0.014 240);
  --ink-3: oklch(0.245 0.014 238);

  --paper: oklch(0.965 0.005 230);
  --dim: color-mix(in oklch, var(--paper) 58%, transparent);
  --dimmer: color-mix(in oklch, var(--paper) 34%, transparent);
  --hair: color-mix(in oklch, var(--paper) 15%, transparent);

  --ember: oklch(0.70 0.155 55);

  --pad: clamp(1.25rem, 4vw, 4.5rem);

  --s--1: clamp(0.72rem, 0.69rem + 0.14vw, 0.8rem);
  --s-0: clamp(1rem, 0.95rem + 0.22vw, 1.15rem);
  --s-1: clamp(1.25rem, 1.1rem + 0.7vw, 1.7rem);
  --s-2: clamp(1.9rem, 1.4rem + 2.2vw, 3.4rem);
  --s-3: clamp(3rem, 1.6rem + 6vw, 7rem);
  --s-4: clamp(4rem, 1rem + 12vw, 13rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: 'Barlow', system-ui, sans-serif;
  font-size: var(--s-0);
  line-height: 1.62;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img, video { display: block; max-width: 100%; }
/* Los atributos width/height reservan el hueco (evitan CLS), pero el alto
   debe seguir siendo automático: sin esto, el atributo height se aplica
   como píxeles fijos allí donde el CSS sólo define el ancho. */
img { height: auto; }
figure, figcaption { margin: 0; }
a { color: inherit; }
::selection { background: var(--ice); color: var(--ink); }

/* ---------- tipografía ---------- */

.cond {
  font-family: 'Barlow Condensed', 'Barlow', sans-serif;
  text-transform: uppercase;
  font-weight: 800;
  line-height: 0.84;
  letter-spacing: 0.005em;
  margin: 0;
}

.tag {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ice);
  margin: 0;
}

.tag--dim { color: var(--dimmer); }

.body-lg { font-size: var(--s-1); line-height: 1.5; color: var(--dim); max-width: 34ch; }
.body { color: var(--dim); max-width: 60ch; }

.n { font-variant-numeric: tabular-nums; }

.shell { max-width: 96rem; margin-inline: auto; padding-inline: var(--pad); }

/* ---------- nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem var(--pad);
  transition: background 0.45s var(--ease), backdrop-filter 0.45s;
}

.nav[data-stuck='true'] {
  background: color-mix(in oklch, var(--ink) 82%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--hair);
}

.nav__logo { width: clamp(104px, 9vw, 136px); }

.nav__links {
  display: flex;
  gap: clamp(1rem, 2vw, 2.25rem);
  margin-left: auto;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav__links a { text-decoration: none; color: var(--dim); transition: color 0.3s; }
.nav__links a:hover { color: var(--ice); }

/* Siempre encendido: relleno cian sólido. Al pasar por encima, un barrido
   lateral en blanco, distinto del barrido vertical de los .btn. */
.nav__cart {
  position: relative;
  overflow: clip;
  isolation: isolate;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--ice);
  background: var(--ice);
  color: var(--ink);
  padding: 0.45rem 1rem;
  box-shadow: 0 0 0 0 color-mix(in oklch, var(--ice) 55%, transparent);
  transition: box-shadow 0.45s var(--ease), border-color 0.45s var(--ease);
}

.nav__cart::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--paper);
  transform: translateX(-101%);
  transition: transform 0.5s var(--ease);
}

.nav__cart:hover::before,
.nav__cart:focus-visible::before { transform: translateX(0); }

.nav__cart:hover,
.nav__cart:focus-visible {
  border-color: var(--paper);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--ice) 22%, transparent);
}

.nav__cart .n { position: relative; }

@media (max-width: 860px) { .nav__links { display: none; } }

/* ---------- botones ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.6rem;
  background: var(--ice);
  color: var(--ink);
  border: 1px solid var(--ice);
  position: relative;
  overflow: clip;
  cursor: pointer;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--paper);
  transform: translateY(102%);
  transition: transform 0.5s var(--ease);
}

.btn:hover::before { transform: translateY(0); }
.btn > * { position: relative; }

.btn--line { background: transparent; color: var(--paper); border-color: var(--hair); }
.btn--line::before { background: var(--paper); }
.btn--line:hover { color: var(--ink); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: clip;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, var(--ink) 1%, color-mix(in oklch, var(--ink) 24%, transparent) 34%, transparent 66%),
    linear-gradient(to right, color-mix(in oklch, var(--ink) 88%, transparent), color-mix(in oklch, var(--ink) 34%, transparent) 52%, transparent 76%);
}

.hero__inner { width: 100%; padding-block: clamp(6rem, 14vh, 9rem) clamp(3rem, 8vh, 6rem); }

.hero__title {
  font-size: clamp(3rem, 1rem + 7.4vw, 8.5rem);
  margin-block: clamp(1rem, 3vh, 2rem) 0;
}

.hero__title .hl { color: var(--ice); }

.hero__row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 4vh, 2.75rem);
}

.hero__cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.scrollcue {
  position: absolute;
  right: var(--pad);
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--dim);
  text-shadow: 0 1px 14px oklch(0.145 0.012 240 / 0.9);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.scrollcue i { width: 1px; height: 4.5rem; background: color-mix(in oklch, var(--paper) 30%, transparent); position: relative; overflow: clip; }
.scrollcue i::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ice);
  animation: cue 2.4s var(--ease) infinite;
}

@keyframes cue {
  0% { transform: translateY(-100%); }
  55%, 100% { transform: translateY(100%); }
}

.hero .body-lg { color: color-mix(in oklch, var(--paper) 84%, transparent); }

@media (max-width: 860px) {
  .scrollcue { display: none; }
  /* En vertical el texto ocupa el centro de la foto: hace falta más velo. */
  .hero::after {
    background: linear-gradient(
      to top,
      var(--ink) 4%,
      color-mix(in oklch, var(--ink) 76%, transparent) 58%,
      color-mix(in oklch, var(--ink) 28%, transparent) 88%
    );
  }
}

/* ---------- secciones ---------- */

.sec { padding-block: clamp(5rem, 12vw, 11rem); position: relative; }

.sec__head {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(1rem, 3vw, 3rem);
  align-items: start;
  margin-bottom: clamp(2.5rem, 6vw, 5rem);
}

.sec__title { font-size: var(--s-3); }
.sec__title .hl { color: var(--ice); }

@media (max-width: 860px) { .sec__head { grid-template-columns: minmax(0, 1fr); } }

/* ---------- características · vídeo a sangre ---------- */

.feat { position: relative; background: oklch(0.1 0.008 240); }

.feat__stage {
  position: relative;
  height: 100svh;
  overflow: clip;
}

.feat__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.feat__scrim {
  position: absolute;
  inset: 0;
  /* El velo va a la derecha porque ahí vive el texto. */
  background:
    linear-gradient(to left, color-mix(in oklch, var(--ink) 88%, transparent) 0%,
                             color-mix(in oklch, var(--ink) 46%, transparent) 42%,
                             transparent 70%),
    linear-gradient(to top, color-mix(in oklch, var(--ink) 68%, transparent), transparent 42%);
}

.feat__layer {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  /* El padding superior deja libre la altura del header fijo. */
  padding: clamp(7.5rem, 15vh, 10rem) var(--pad) clamp(1.5rem, 4vh, 2.5rem);
  gap: 1rem;
  justify-items: end;
  text-align: right;
}

/* Los .feat__item van en absoluto para poder cruzarse entre sí. Sin una
   altura reservada aquí, el contenedor mide 0 y las tarjetas se dibujan
   hacia arriba, montándose sobre el rótulo de la sección. */
.feat__items {
  position: relative;
  align-self: center;
  width: 100%;
  max-width: 40rem;
  min-height: clamp(15rem, 32vh, 22rem);
  margin-top: clamp(1rem, 3vh, 2rem);
}

.feat__item { position: absolute; inset: 0 0 auto 0; opacity: 0; }

.feat__item .k {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--ice);
}

.feat__item h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s-3);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.86;
  margin: 0.6rem 0 1rem;
}

.feat__item p { margin: 0 0 0 auto; color: var(--dim); max-width: 38ch; }

/* HUD */

.hud {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--hair);
  padding-top: 1rem;
  width: 100%;
  text-align: left;
}

.hud__meters { display: flex; gap: clamp(1.5rem, 4vw, 3.5rem); }

.hud__m {
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase;
  /* Sin esto el bloque se estrecha y "7.8" y "°C" caen en líneas distintas. */
  flex: 0 0 auto;
}

/* Hijo directo: si no, este selector alcanza también al <span> del valor
   dentro del <b> y lo convierte en bloque con tamaño de etiqueta. */
.hud__m > span {
  display: block;
  font-size: var(--s--1);
  letter-spacing: 0.24em;
  color: var(--dim);
  font-weight: 600;
}

.hud__m b {
  font-size: var(--s-2);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.hud__m b i { font-style: normal; font-size: 0.45em; color: var(--ice); margin-left: 0.2em; }

.hud__ticks { display: flex; gap: 0.4rem; align-items: flex-end; height: 2.2rem; }

.hud__ticks i {
  width: 3px;
  background: var(--ink-3);
  height: 40%;
  transform-origin: bottom;
}

.hud__ticks i.on { background: var(--ice); }

@media (max-width: 760px) {
  .hud { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .hud__ticks { display: none; }
}

/* En vertical el texto ya no tiene una mitad de foto libre a la izquierda
   donde apoyarse: se alinea a la izquierda, como el resto de la página, y
   el velo pasa a ser de abajo arriba en vez de lateral. */
@media (max-width: 860px) {
  .feat__layer { justify-items: stretch; text-align: left; }

  .feat__scrim {
    background: linear-gradient(
      to top,
      color-mix(in oklch, var(--ink) 92%, transparent) 0%,
      color-mix(in oklch, var(--ink) 74%, transparent) 46%,
      color-mix(in oklch, var(--ink) 30%, transparent) 82%
    );
  }

  .feat__item p { margin-inline: 0; }
}

/* ---------- rail horizontal de producto ---------- */

.rail { position: relative; background: var(--ink); }

.rail__viewport { height: 100svh; overflow: clip; display: flex; align-items: center; }

.rail__track { display: flex; gap: clamp(1.5rem, 3vw, 3rem); padding-inline: var(--pad); will-change: transform; }

/* Por debajo de 861px el rail no va pinchado al scroll vertical: se
   arrastra con el dedo (home-04.js · railManual). El anclaje deja cada
   tarjeta encuadrada al soltar, y overscroll-behavior evita que el
   gesto se escape y navegue hacia atrás. */
@media (max-width: 860px) {
  .rail__viewport { scroll-snap-type: x mandatory; overscroll-behavior-x: contain; }
  .rail__intro, .card { scroll-snap-align: center; }
  .rail__intro { scroll-snap-align: start; }
}

.rail__intro {
  flex: 0 0 auto;
  width: min(38rem, 80vw);
  align-self: center;
}

.rail__intro .sec__title { font-size: clamp(2.2rem, 1rem + 3.6vw, 4.5rem); }

.card {
  flex: 0 0 auto;
  width: min(24rem, 74vw);
  text-decoration: none;
  display: block;
}

.card__media {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: clip;
  background: var(--ink-2);
  border: 1px solid var(--hair);
}

.card__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s var(--ease), filter 0.9s var(--ease);
  filter: saturate(0.85);
}

.card:hover .card__media img { transform: scale(1.04); filter: saturate(1.1); }

.card__zone {
  position: absolute;
  inset: auto auto 0 0;
  background: var(--ice);
  color: var(--ink);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
}

.card__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.1rem;
}

.card__name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s-2);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1;
}

.card__price { color: var(--ice); font-variant-numeric: tabular-nums; white-space: nowrap; }

.card__desc { color: var(--dimmer); font-size: 0.94em; margin: 0.5rem 0 0; }

.rail__progress {
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  bottom: clamp(1.5rem, 4vh, 2.5rem);
  height: 2px;
  background: var(--ink-3);
}

.rail__progress i {
  position: absolute;
  inset: 0;
  background: var(--ice);
  transform: scaleX(0);
  transform-origin: left;
}

/* ---------- tecnología ---------- */

.tech__band {
  position: relative;
  margin-top: clamp(2.5rem, 6vw, 4rem);
  height: clamp(9rem, 20vw, 15rem);
  border: 1px solid var(--hair);
  overflow: clip;
}

.tech__grad {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    oklch(0.42 0.14 258) 0%,
    var(--ice-lo) 22%,
    var(--ice) 31%,
    oklch(0.55 0.02 235) 40%,
    oklch(0.5 0.06 60) 62%,
    var(--ember) 88%,
    oklch(0.62 0.19 35) 100%
  );
  opacity: 0.85;
}

.tech__cursor {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--paper);
  left: 0;
}

.tech__cursor b {
  position: absolute;
  bottom: 0.7rem;
  left: 0.55rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s-1);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  background: var(--ink);
  color: var(--paper);
  padding: 0.15rem 0.5rem;
}

.tech__zone {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 31.8%;
  width: 3.1%;
  border-inline: 2px solid var(--paper);
  background: color-mix(in oklch, var(--paper) 14%, transparent);
}

.tech__zone::after {
  content: 'Uso equino · 2–8 °C';
  position: absolute;
  left: 50%;
  top: 0.7rem;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--paper);
  color: var(--ink);
  padding: 0.2rem 0.55rem;
}

.tech__axis {
  position: relative;
  height: 1.6rem;
  margin-top: 0.8rem;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  letter-spacing: 0.16em;
  color: var(--dimmer);
  font-variant-numeric: tabular-nums;
}

.tech__axis span { position: absolute; top: 0; transform: translateX(-50%); white-space: nowrap; }
.tech__axis span:first-child { transform: none; }
.tech__axis span:last-child { transform: translateX(-100%); }

.tech__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: 1px;
  background: var(--hair);
  margin-top: clamp(3rem, 7vw, 5rem);
  border: 1px solid var(--hair);
}

/* Línea de entrada de la rejilla: misma familia que .body, pero en tono hielo. */
.tech__lead {
  color: var(--ice);
  margin: clamp(2.5rem, 5vw, 3.5rem) 0 0;
}

/* Cuando la línea de entrada está presente, la rejilla no repite el aire. */
.tech__lead + .tech__grid { margin-top: clamp(1.5rem, 3vw, 2.25rem); }

.tech__cell { background: var(--ink); padding: clamp(1.5rem, 3vw, 2.25rem); }

.tech__cell img { width: 2.75rem; height: 2.75rem; object-fit: contain; margin-bottom: 1.25rem; }

/* El antetítulo de cada celda reutiliza .tag, sólo ajusta el aire inferior. */
.tech__k { margin-bottom: 0.55rem; }

.tech__cell h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s-1);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
}

.tech__cell p { margin: 0; color: var(--dimmer); font-size: 0.94em; }

/* ---------- protocolo ---------- */

/* ---------- cierre ---------- */

.end {
  position: relative;
  min-height: 92svh;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: clip;
  isolation: isolate;
}

.end__bg { position: absolute; inset: 0; z-index: -2; }
.end__bg img { width: 100%; height: 100%; object-fit: cover; }

.end::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in oklch, var(--ink) 62%, transparent);
}

.end__title { font-size: var(--s-3); }
.end__title .hl { color: var(--ice); }

/* ---------- footer ---------- */

.foot { border-top: 1px solid var(--hair); padding-block: clamp(3rem, 7vw, 5rem) 2rem; font-size: var(--s--1); }

.foot__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr)); gap: 2rem; }

.foot h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ice);
  margin: 0 0 1rem;
  font-weight: 700;
}

.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.foot a { text-decoration: none; color: var(--dim); }
.foot a:hover { color: var(--paper); }
.foot__logo { width: 132px; margin-bottom: 1.25rem; }

.foot__legal {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  color: var(--dimmer);
}

.foot__legal p { margin: 0; max-width: 58ch; }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ==================================================================
   GRÁFICA DEL HIELO — versión oscura, sin tarjeta
   Viene del concepto 01. Aquí no lleva fondo propio: se apoya en el
   fondo de la sección y se dibuja a línea fina, como un instrumento.
   ================================================================== */

.thermo { position: relative; }

/* El titular de esta sección es largo: baja un paso para caber en dos líneas. */
#termica .sec__title { font-size: clamp(2rem, 0.9rem + 3.6vw, 4.5rem); }

.thermo__chart {
  position: relative;
  margin-top: clamp(1.5rem, 4vw, 3rem);
}

.thermo__chart svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

.thermo__chart text {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  text-transform: uppercase;
}

.thermo__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--hair);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s--1);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dimmer);
}

.thermo__legend span { display: inline-flex; align-items: center; gap: 0.65rem; }
.thermo__legend i { width: 1.6rem; height: 0; border-top: 2px solid currentColor; }
.thermo__legend .is-ice { color: var(--ice); }
.thermo__legend .is-ember { color: var(--ember); }
.thermo__legend .is-band i { border-top-style: dashed; }

/* ==================================================================
   PROTOCOLO DE USO — cuatro pasos, versión oscura
   Viene del concepto 01.
   ================================================================== */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  border-top: 1px solid var(--hair);
}

.step {
  padding: clamp(1.5rem, 3vw, 2.25rem) clamp(1rem, 2vw, 1.75rem) clamp(2rem, 4vw, 3rem);
  border-left: 1px solid var(--hair);
}

.step:first-child { border-left: 0; padding-left: 0; }

.step__n {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.75rem, 1.4rem + 4.4vw, 5.5rem);
  font-weight: 800;
  line-height: 0.8;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
  transition: color 0.6s var(--ease);
}

.step:hover .step__n { color: var(--ice); }

.step h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: var(--s-1);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.5rem;
}

.step p { margin: 0; color: var(--dim); font-size: 0.95em; }

@media (max-width: 900px) {
  .step:nth-child(odd) { border-left: 0; padding-left: 0; }
}

/* ------------------------------------------------------------------
   Cierre: la foto de esta sección tiene las cinchas muy claras justo
   donde cae el texto, así que necesita más velo que en el concepto 02.
------------------------------------------------------------------ */

.end::after {
  background:
    radial-gradient(
      118% 78% at 50% 58%,
      color-mix(in oklch, var(--ink) 86%, transparent) 0%,
      color-mix(in oklch, var(--ink) 62%, transparent) 55%,
      color-mix(in oklch, var(--ink) 45%, transparent) 100%
    );
}