/* ============================================================
   OC Wallpapers & Murals
   Paleta y tipografía según el manual de marca.
   La idea rectora: el producto se muestra como MURO, no como
   foto de producto. Un wallpaper solo se entiende repetido.
   ============================================================ */

:root{
  --ink:#1A1A1A;
  --ink-deep:#101010;
  --ink-soft:#232323;
  --gold:#E8D5B0;
  --gold-dim:#B8996A;
  --paper:#FFFFFF;
  --smoke:#8F8A82;

  --display:"Playfair Display",Georgia,serif;
  --body:"Lato",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;

  --wrap:1220px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  overflow-x:hidden;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--body);
  font-weight:300;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.sr,.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip:focus{position:fixed;top:12px;left:12px;width:auto;height:auto;clip:auto;z-index:99;
  background:var(--gold);color:var(--ink);padding:10px 16px}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

h1,h2,h3{font-family:var(--display);font-weight:400;letter-spacing:-.01em;margin:0}
em{font-style:italic}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-dim);margin:0 0 14px;
}

/* ---------- header ---------- */
.top{
  position:fixed;inset:0 0 auto 0;z-index:40;max-width:100%;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;
  background:linear-gradient(180deg,rgba(16,16,16,.92),rgba(16,16,16,0));
  transition:background .4s var(--ease),backdrop-filter .4s var(--ease);
}
.top--solid{background:rgba(16,16,16,.96);backdrop-filter:blur(10px)}
.top__brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-size:17px}
.top__brand img{width:44px;height:auto}
.top__brand em{display:block;font-size:9.5px;letter-spacing:.2em;color:var(--gold-dim);
  font-family:var(--body);font-style:normal;text-transform:uppercase;margin-top:1px}
.top__nav{display:flex;align-items:center;gap:30px;font-size:14px;letter-spacing:.04em}
.top__nav a{color:#D9D5CE;transition:color .25s}
.top__nav a:hover{color:var(--gold)}
.top__cta{border:1px solid var(--gold-dim);padding:8px 18px;color:var(--gold)!important}
.top__cta:hover{background:var(--gold);color:var(--ink)!important}

/* ---------- hero: el muro vivo ---------- */
.hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden}
.hero[hidden]{display:none}
.hero__wall{
  position:absolute;inset:0;
  background-repeat:repeat;
  background-size:420px auto;
  opacity:1;
  transform:scale(1.02);
  transition:opacity 1.6s var(--ease);
}
.hero__wall--next{opacity:0}
.hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(16,16,16,.78) 0%,rgba(16,16,16,.42) 26%,rgba(16,16,16,.52) 62%,rgba(16,16,16,.92) 100%),
    radial-gradient(74% 62% at 50% 46%,rgba(16,16,16,.66) 0%,rgba(16,16,16,.18) 70%,transparent 100%);
}
.hero__inner{position:relative;text-align:center;padding:120px 24px 80px}
.hero__logo{width:min(300px,62vw);margin:0 auto 34px;height:auto}
.hero__claim{
  font-size:clamp(42px,7.2vw,86px);line-height:1.02;letter-spacing:-.02em;margin:0 0 20px;
  text-shadow:0 2px 40px rgba(0,0,0,.55);
}
.hero__claim em{color:var(--gold)}
.hero__sub{color:#CFC9C0;margin:0 0 34px;font-size:clamp(15px,1.7vw,19px)}
.hero__now{
  position:absolute;left:0;right:0;bottom:30px;text-align:center;margin:0;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--gold-dim);
}
.hero__scroll{
  position:absolute;bottom:74px;left:50%;width:1px;height:46px;
  background:linear-gradient(180deg,transparent,var(--gold-dim));
  animation:drop 2.4s var(--ease) infinite;
}
@keyframes drop{0%{transform:translateY(-12px);opacity:0}40%{opacity:1}100%{transform:translateY(12px);opacity:0}}

.btn{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;padding:15px 34px;transition:all .3s var(--ease);
}
.btn--gold{background:var(--gold);color:var(--ink)}
.btn--gold:hover{background:var(--paper)}
.btn--ghost{border:1px solid var(--gold-dim);color:var(--gold)}
.btn--ghost:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}

/* ---------- promesas ---------- */
.promise{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid #2C2C2C;border-bottom:1px solid #2C2C2C;
  background:var(--ink-deep);
}
.promise[hidden]{display:none}
.promise__item{padding:44px 40px;border-left:1px solid #2C2C2C}
.promise__item:first-child{border-left:0}
.promise__key{
  display:block;font-family:var(--display);font-size:30px;color:var(--gold);
  margin-bottom:8px;letter-spacing:-.01em;
}
.promise__item p{margin:0;color:var(--smoke);font-size:15px;line-height:1.6;max-width:34ch}

/* ---------- secciones ---------- */
.view{padding:96px 0 40px}
.view[hidden]{display:none}
.head{max-width:760px;margin:0 0 46px}
.head h2{font-size:clamp(32px,4.6vw,54px);line-height:1.05}
.head__note{color:var(--smoke);margin:18px 0 0;font-size:16px;max-width:56ch}
.head--collection h2{font-size:clamp(34px,6vw,64px)}
.linkish{
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold);border-bottom:1px solid var(--gold-dim);padding-bottom:3px;margin-top:18px;
}
.linkish:hover{color:var(--paper);border-color:var(--paper)}
.back{
  display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--smoke);margin-bottom:30px;
}
.back::before{content:"← "}
.back:hover{color:var(--gold)}

/* ---------- buscador ---------- */
.search{position:relative;margin-bottom:12px;max-width:520px}
.search input{
  width:100%;background:transparent;border:0;border-bottom:1px solid #333;
  color:var(--paper);font-family:var(--mono);font-size:14px;padding:13px 70px 13px 0;
}
.search input::placeholder{color:#5E5A55}
.search input:focus{outline:0;border-color:var(--gold)}
.search__count{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:11px;color:var(--gold-dim);
}
.results{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:12px;margin:22px 0 40px;
}
.results__none{color:var(--smoke);font-size:15px;grid-column:1/-1;margin:0}

/* ---------- grid de colecciones ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px;padding-bottom:40px}
.card{position:relative;display:block;background:var(--ink-soft);overflow:hidden}
.card__img{aspect-ratio:4/3;overflow:hidden;background:#161616}
.card__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease);opacity:.92}
.card:hover .card__img img{transform:scale(1.05);opacity:1}
.card__body{padding:20px 22px 24px;border-top:1px solid #2C2C2C}
.card__name{font-family:var(--display);font-size:26px;letter-spacing:.01em}
.card__meta{font-family:var(--mono);font-size:11px;color:var(--gold-dim);letter-spacing:.12em;margin-top:6px}

/* ---------- serie: muro + variaciones (elemento firma) ---------- */
.serie{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:0;
  margin-bottom:26px;background:var(--ink-soft);border:1px solid #2A2A2A;
}
.wall{
  position:relative;min-height:440px;
  background-repeat:repeat;background-size:300px auto;
  transition:background-image .05s;
}
.wall::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(0,0,0,.18),transparent 45%);
  pointer-events:none;
}
.wall--room{background-size:cover;background-position:center;background-repeat:no-repeat}
.wall__tag{
  position:absolute;left:0;bottom:0;z-index:2;
  background:rgba(16,16,16,.88);backdrop-filter:blur(6px);
  padding:11px 18px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--gold);
}
.wall__toggle{
  position:absolute;right:14px;bottom:14px;z-index:2;
  background:rgba(16,16,16,.88);backdrop-filter:blur(6px);
  border:1px solid #3A3A3A;padding:9px 15px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#D9D5CE;
}
.wall__toggle:hover{border-color:var(--gold);color:var(--gold)}
.wall__toggle[hidden]{display:none}

.serie__side{padding:30px 30px 26px;display:flex;flex-direction:column;min-width:0}
.serie__no{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--gold-dim)}
.serie__title{font-family:var(--display);font-size:32px;margin:6px 0 4px}
.serie__count{color:var(--smoke);font-size:13.5px;margin:0 0 22px}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:10px;margin-bottom:22px}
.sw{position:relative;aspect-ratio:1;overflow:hidden;border:1px solid transparent;transition:border-color .2s}
.sw img{width:100%;height:100%;object-fit:cover}
.sw::after{
  content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.sw:hover{border-color:var(--gold-dim)}
.sw[aria-pressed="true"]{border-color:var(--gold)}
.sw[aria-pressed="true"]::before{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--gold);z-index:2;
}
.serie__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.serie__ref{font-family:var(--mono);font-size:13px;color:var(--paper);letter-spacing:.06em}
.serie__ask{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);border-bottom:1px solid var(--gold-dim);padding-bottom:2px;
}
.serie__ask:hover{color:var(--paper);border-color:var(--paper)}

/* ---------- nosotros ---------- */
.about{padding:104px 0;background:var(--ink-deep);border-top:1px solid #2C2C2C}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.about h2{font-size:clamp(32px,4.4vw,52px);line-height:1.08}
.about__text p{color:#C6C1B9;margin:0 0 18px}
.about__text strong{color:var(--paper);font-weight:400}
.about__text .btn{margin-top:10px}

/* ---------- footer ---------- */
.foot{background:var(--ink-deep);border-top:1px solid #2C2C2C;padding:70px 0 28px}
.foot__grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:44px}
.foot h3{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold-dim);margin:0 0 16px;font-weight:400}
.foot a,.foot p{display:block;color:#C6C1B9;font-size:15px;margin:0 0 9px}
.foot a:hover{color:var(--gold)}
.foot__tag{font-family:var(--display);font-style:italic;color:var(--gold-dim)!important;margin-top:16px!important}
.foot__legal{
  max-width:var(--wrap);margin:52px auto 0;padding:22px 28px 0;border-top:1px solid #242424;
  color:#6B6862;font-size:12.5px;
}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:60;background:rgba(10,10,10,.97);display:grid;place-items:center}
.lb[hidden]{display:none}
.lb__img{max-width:92vw;max-height:86vh;object-fit:contain;box-shadow:0 30px 90px rgba(0,0,0,.6)}
.lb__close{position:absolute;top:18px;right:26px;font-size:34px;color:#CFC9C0;line-height:1}
.lb__close:hover{color:var(--gold)}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);font-size:46px;color:#CFC9C0;padding:20px}
.lb__nav:hover{color:var(--gold)}
.lb__nav--prev{left:8px}
.lb__nav--next{right:8px}
.lb__count{position:absolute;bottom:22px;left:0;right:0;text-align:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--gold-dim)}

/* ---------- whatsapp flotante ---------- */
.wa{
  position:fixed;right:20px;bottom:20px;z-index:50;
  width:52px;height:52px;display:grid;place-items:center;border-radius:50%;
  background:var(--gold);color:var(--ink);
  box-shadow:0 10px 30px rgba(0,0,0,.45);transition:transform .25s var(--ease);
}
.wa:hover{transform:translateY(-3px) scale(1.04)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .serie{grid-template-columns:1fr}
  .wall{min-height:320px}
  .promise{grid-template-columns:1fr}
  .promise__item{border-left:0;border-top:1px solid #2C2C2C;padding:32px 28px}
  .promise__item:first-child{border-top:0}
  .about__grid,.foot__grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wall{background-size:200px auto}
  .serie{grid-template-columns:minmax(0,1fr)}
  .wrap{padding:0 20px}
  .top{padding:12px 18px}
  .top__nav{gap:16px;font-size:13px}
  .top__nav a:not(.top__cta){display:none}
  .view{padding:76px 0 30px}
  .hero__wall{background-size:280px auto}
  .grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
  .serie__side{padding:24px 22px}
  .lb__nav{font-size:34px;padding:12px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}