/* VÉLOX — zapatilla de alto rendimiento (ficticia) */

:root {
  --hueso: #f4f2ec;
  --tinta: #131210;
  --volt: #cfff04;
  --gris: #6b6860;
  --linea: #ddd9cd;
  --display: "Bricolage Grotesque", sans-serif;
  --sans: "Space Grotesk", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scrollbar-color: var(--tinta) var(--hueso); }
html.bloqueado { overflow: hidden; }

body {
  background: var(--hueso);
  color: var(--tinta);
  font-family: var(--sans);
  font-weight: 400;
  overflow-x: hidden;
}

@media (pointer: fine) {
  body.cursor-activo, body.cursor-activo a, body.cursor-activo button { cursor: none; }
}

::selection { background: var(--volt); color: var(--tinta); }

/* ---------- preloader ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 100;
  background: var(--hueso);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.4rem;
  transition: opacity .9s ease, visibility .9s;
}
#preloader.fuera { opacity: 0; visibility: hidden; }
.pre-marca { font-family: var(--display); font-weight: 800; font-size: 1.4rem; letter-spacing: .32em; padding-left: .32em; }
.pre-linea { width: min(42vw, 260px); height: 1px; background: var(--linea); overflow: hidden; }
#pre-fill { display: block; width: 0%; height: 100%; background: var(--tinta); transition: width .25s ease; }
.pre-txt { font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--gris); }
#pre-pct { color: var(--tinta); font-variant-numeric: tabular-nums; }

/* ---------- cursor ---------- */
#cursor-dot, #cursor-ring {
  position: fixed; top: 0; left: 0; z-index: 99; pointer-events: none;
  border-radius: 50%; opacity: 0;
  will-change: transform;
}
#cursor-dot { width: 6px; height: 6px; background: var(--tinta); }
#cursor-ring {
  width: 30px; height: 30px; border: 1px solid rgba(19, 18, 16, .35);
  transition: width .28s ease, height .28s ease, border-color .28s ease, background .28s ease;
}
body.cursor-activo #cursor-dot, body.cursor-activo #cursor-ring { opacity: 1; }
#cursor-ring.grande { width: 58px; height: 58px; border-color: var(--volt); background: rgba(207, 255, 4, .12); }

/* ---------- progreso + nav ---------- */
#progreso {
  position: fixed; top: 0; left: 0; z-index: 60;
  width: 100%; height: 2px; background: var(--tinta);
  transform-origin: 0 50%; transform: scaleX(0);
}
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.6rem clamp(1.2rem, 4vw, 3rem);
  mix-blend-mode: difference;
  color: var(--hueso);
}
#nav .marca {
  font-family: var(--display); font-weight: 800; font-size: 1rem;
  letter-spacing: .28em; color: var(--hueso); text-decoration: none;
}
.nav-meta {
  font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--hueso);
  display: flex; align-items: center; gap: .6rem; opacity: .9;
}
.punto { width: 6px; height: 6px; border-radius: 50%; background: var(--volt); animation: latido 2.4s infinite; }
@keyframes latido { 0%,100% { opacity: 1 } 50% { opacity: .25 } }

/* ---------- estructura de pines ---------- */
section { position: relative; }
.pin {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
}
.pin.centro { display: flex; flex-direction: column; align-items: center; justify-content: center; }

canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.kicker {
  font-size: .64rem; letter-spacing: .24em; text-transform: uppercase;
  color: var(--gris);
}
.kicker.esquina {
  position: absolute; left: clamp(1.2rem, 4vw, 3rem); bottom: 2rem;
  opacity: 0; transform: translateY(10px);
}

/* ---------- animación firma: texto que se resuelve ---------- */
[data-resuelve] .ch { display: inline-block; font-variant-numeric: tabular-nums; }
[data-resuelve] .ch.espacio { width: .32em; }

/* ---------- 01 · hero ---------- */
#hero-pin { height: 760vh; }

#hero-titulo {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  padding: 0 clamp(1.2rem, 5vw, 4rem);
  pointer-events: none;
  will-change: transform, opacity;
}
#hero-titulo h1 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(4.2rem, 18vw, 17rem);
  line-height: .92; letter-spacing: -.01em;
}
#hero-titulo .lema {
  font-family: var(--sans); font-weight: 500;
  font-size: clamp(1rem, 2.2vw, 1.7rem);
  color: var(--tinta); margin-top: 1.2rem; letter-spacing: .02em;
  max-width: 30ch;
}
#hero-titulo .lema em { font-style: normal; color: var(--volt); background: var(--tinta); padding: 0 .15em; }

#hero-hint {
  position: absolute; bottom: 2rem; right: clamp(1.2rem, 4vw, 3rem);
  font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gris);
  display: flex; align-items: center; gap: .8rem;
}
#hero-hint i {
  display: block; width: 1px; height: 34px; background: linear-gradient(var(--tinta), transparent);
  animation: caer 1.6s ease-in-out infinite;
}
@keyframes caer { 0% { transform: scaleY(0); transform-origin: top } 60% { transform: scaleY(1); transform-origin: top } 100% { opacity: 0 } }

/* callouts del despiece */
.callout {
  position: absolute; opacity: 0; transform: translateY(14px);
  will-change: transform, opacity;
  max-width: 230px;
}
.callout .c-linea {
  width: 48px; height: 1px; background: var(--volt);
  margin-bottom: .5rem; transform-origin: 0 50%;
}
.callout .c-k {
  font-family: var(--display); font-weight: 700; font-size: .74rem; letter-spacing: .1em;
  color: var(--tinta); text-transform: uppercase;
}
.callout .c-dato {
  margin-top: .3rem; font-size: .7rem; line-height: 1.5; color: var(--tinta);
  font-variant-numeric: tabular-nums;
}
.callout .c-sub { color: var(--gris); }

#frase-hero {
  position: absolute; left: 50%; bottom: 12vh; transform: translate(-50%, 16px);
  font-family: var(--display); font-weight: 500;
  font-size: clamp(.85rem, 1.5vw, 1.2rem); letter-spacing: .02em;
  color: var(--tinta); opacity: 0; white-space: nowrap;
}

/* ---------- 02 · materiales (scroll horizontal) ---------- */
#materiales-pin { height: 640vh; }
.mat-kicker { top: 5.5rem; bottom: auto; }
.mat-track {
  position: absolute; top: 0; left: 0; height: 100%;
  display: flex; align-items: center; gap: clamp(2rem, 6vw, 6rem);
  padding: 0 12vw;
  will-change: transform;
}
.mat-card {
  flex: 0 0 auto;
  width: min(72vw, 640px);
  display: flex; flex-direction: column; gap: 1.6rem;
}
.mat-card figure {
  width: 100%; aspect-ratio: 4 / 3;
  overflow: hidden; background: var(--linea);
}
.mat-card img { width: 100%; height: 100%; object-fit: cover; display: block; }
.mat-info .mat-idx {
  font-family: var(--sans); font-size: .68rem; letter-spacing: .2em; color: var(--gris);
}
.mat-info .mat-nombre {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(1.4rem, 2.6vw, 2.2rem); margin-top: .5rem;
}
.mat-info .mat-tec {
  font-size: .82rem; letter-spacing: .04em; color: var(--gris); margin-top: .6rem;
  text-transform: uppercase;
}
.mat-info .mat-beneficio {
  font-size: 1rem; line-height: 1.55; margin-top: .8rem; max-width: 42ch;
}

/* ---------- 03 · rendimiento ---------- */
#rendimiento-pin { height: 520vh; }
.rend-grupo {
  position: absolute; left: clamp(1.2rem, 5vw, 4rem); bottom: 12vh;
  display: flex; flex-direction: column; gap: .8rem;
}
#rendimiento-cifra {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(3.2rem, 11vw, 10rem); line-height: .95;
  color: var(--tinta);
}
#rendimiento-etq {
  font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gris);
  opacity: 0;
}

/* ---------- 04 · macro ---------- */
#macro {
  background: var(--tinta); color: var(--hueso);
  padding: 14vh clamp(1.2rem, 6vw, 5rem);
}
.macro-kicker { color: var(--gris); margin-bottom: 6vh; }
.macro-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1rem, 2.5vw, 2rem);
}
.macro-item {
  position: relative; aspect-ratio: 3 / 4; overflow: hidden;
  opacity: 0; transform: translateY(40px);
  transition: opacity 1s cubic-bezier(.19,1,.22,1), transform 1s cubic-bezier(.19,1,.22,1);
}
.macro-item.dentro { opacity: 1; transform: translateY(0); }
.macro-item video, .macro-item img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(.1); }
.macro-item img.macro-foto {
  transform: scale(1.06);
  transition: transform 6s cubic-bezier(.19,1,.22,1);
}
.macro-item.dentro img.macro-foto { transform: scale(1); }
.macro-item .macro-copy {
  position: absolute; left: 1.2rem; right: 1.2rem; bottom: 1.2rem;
  font-size: .82rem; letter-spacing: .02em; color: var(--hueso);
  text-shadow: 0 2px 20px rgba(0,0,0,.6);
}

/* ---------- 05 · colorways ---------- */
#colorways {
  min-height: 90vh; padding: 16vh clamp(1.2rem, 6vw, 5rem);
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: 6vh;
}
#colorways h2 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 4.4rem);
}
.swatches { display: flex; gap: 1.2rem; }
.swatch {
  width: 44px; height: 44px; border-radius: 50%;
  border: 2px solid var(--tinta); cursor: pointer;
  transition: transform .3s ease;
}
.swatch:hover, .swatch.activo { transform: scale(1.15); }
.swatch.activo { box-shadow: 0 0 0 3px var(--hueso), 0 0 0 5px var(--tinta); }
.cw-demo {
  width: min(80vw, 420px); padding: 2.4rem;
  border: 1px solid var(--linea);
  display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; text-align: left;
}
.cw-demo .cw-tag {
  font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gris);
}
.cw-demo .cw-nombre { font-family: var(--display); font-weight: 700; font-size: 1.6rem; }
.cw-demo .cw-barra { width: 100%; height: 6px; background: var(--cw-acento, var(--volt)); transition: background .3s ease; }
.cw-demo .cw-btn {
  margin-top: .4rem; align-self: flex-start;
  font-family: var(--sans); font-size: .78rem; letter-spacing: .06em; text-transform: uppercase;
  padding: .8em 1.6em; border-radius: 999px; border: none;
  background: var(--cw-acento, var(--volt)); color: var(--tinta);
  transition: background .3s ease;
}

/* ---------- 06 · ficha ---------- */
#ficha {
  min-height: 100vh;
  padding: 22vh clamp(1.2rem, 6vw, 5rem) 18vh;
}
.ficha-titulo {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2.4rem, 7.4vw, 6.4rem); margin-top: 1.6rem;
}
.ficha-titulo em { font-style: normal; color: var(--volt); background: var(--tinta); padding: 0 .12em; }
.datos {
  list-style: none; margin-top: 8vh;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2.5rem;
}
.dato {
  border-top: 1px solid var(--linea); padding-top: 1.6rem;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.1s cubic-bezier(.19,1,.22,1);
}
.dato.dentro { clip-path: inset(0 0 0% 0); }
.dato .num, .dato .num-txt {
  display: block; font-family: var(--display); font-weight: 700;
  font-size: clamp(1.9rem, 4.4vw, 3.6rem); line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.dato .lbl { display: block; margin-top: .8rem; font-size: .78rem; color: var(--gris); line-height: 1.6; max-width: 22ch; }

/* ---------- 07 · cta ---------- */
#cta {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--tinta); color: var(--hueso);
}
.cta-fondo { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .5; }
.cta-fondo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(19,18,16,.9) 0%, rgba(19,18,16,.55) 45%, rgba(19,18,16,.95) 100%);
}
.cta-contenido { position: relative; z-index: 1; text-align: center; padding: 20vh 1.5rem; }
#cta h2 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(2.4rem, 7.6vw, 7rem); line-height: 1.02;
}
#reserva {
  display: inline-block; margin-top: 5vh;
  font-family: var(--display); font-weight: 700; font-size: clamp(.85rem, 1.3vw, 1.1rem);
  letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--tinta); background: var(--volt);
  padding: 1.3em 2.6em; border-radius: 999px;
  will-change: transform;
  transition: background .3s ease, color .3s ease;
}
#reserva:hover { background: var(--hueso); }
.nota { margin-top: 4vh; font-size: .7rem; letter-spacing: .04em; color: #8f8b80; }

/* ---------- footer ---------- */
footer {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1.6rem clamp(1.2rem, 4vw, 3rem);
  font-size: .64rem; letter-spacing: .12em; text-transform: uppercase; color: var(--gris);
  border-top: 1px solid var(--linea);
  background: var(--tinta); color: var(--hueso);
}
footer span:last-child { color: var(--gris); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .datos { grid-template-columns: repeat(2, 1fr); }
  .macro-grid { grid-template-columns: 1fr; }
  .nav-meta { display: none; }
  .callout { max-width: 170px; }
  .callout .c-dato { font-size: .64rem; }
  .mat-card { width: min(84vw, 460px); }
}

@media (prefers-reduced-motion: reduce) {
  #hero-hint i, .punto { animation: none; }
  .dato, .macro-item { transition: none; clip-path: none; transform: none; opacity: 1; }
}