/* =============================================================================
   MITSUREPUESTOS JAPONESES
   Archetype: Brutalist Grid — "manual de taller"
   1. Tokens  2. Reset  3. Utilidades  4. Tipografia  5. Componentes
   6. Secciones  7. Efectos  8. Responsive  9. Reduced motion
   ============================================================================= */

/* =============================================================
   1. TOKENS
   ============================================================= */
:root {
  --bg:        #ffffff;
  --bg-2:      #f1efec;
  --bg-3:      #e7e4df;
  --ink:       #141416;
  --ink-2:     #3d3d3f;
  --ink-mute:  #77767a;
  --accent:    #e52625;
  --accent-dk: #b41918;
  --line:      #141416;
  --line-soft: rgba(20, 20, 22, 0.18);
  --paper:     #ffffff;

  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  --sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Consolas", monospace;

  --gutter: 1.25rem;
  --maxw: 1560px;
  --nav-h: 62px;
  --hair: 1px;
}

/* =============================================================
   2. RESET & BASE
   ============================================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  tab-size: 2;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  font-variant-numeric: tabular-nums;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
p { text-wrap: pretty; }
h1, h2, h3, h4 { text-wrap: balance; line-height: 1; letter-spacing: -0.02em; font-weight: 800; }
ul { list-style: none; padding: 0; }

::selection { background: var(--accent); color: #fff; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* =============================================================
   3. UTILIDADES
   ============================================================= */
.skip-link {
  position: fixed; top: -100px; left: 1rem;
  padding: .7rem 1.1rem;
  background: var(--ink); color: #fff;
  z-index: 9999; font-weight: 700;
  font-family: var(--mono); font-size: .8rem;
  text-transform: uppercase;
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.rule { border-top: var(--hair) solid var(--line); }

/* Bloque de seccion con numeracion tipo manual tecnico */
.sec { border-top: var(--hair) solid var(--line); padding-block: clamp(3rem, 7vw, 6rem); }
.sec-head {
  display: grid;
  gap: .9rem;
  margin-bottom: clamp(1.8rem, 4vw, 3rem);
}
.sec-num {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: .7rem;
}
.sec-num::after {
  content: ""; flex: 1 1 auto; height: var(--hair);
  background: var(--line-soft);
}
.sec-title {
  font-size: clamp(1.9rem, 5.4vw, 3.6rem);
  font-stretch: 88%;
  text-transform: uppercase;
  letter-spacing: -0.025em;
}
.sec-lede {
  max-width: 62ch;
  color: var(--ink-2);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
}

/* =============================================================
   4. TIPOGRAFIA
   ============================================================= */
.mono {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.kicker {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* =============================================================
   5. COMPONENTES
   ============================================================= */

/* --- Boton --------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .95rem 1.5rem;
  border: var(--hair) solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: background .25s var(--ease-out), color .25s var(--ease-out), border-color .25s var(--ease-out);
  position: relative;
}
.btn svg { width: 1.05em; height: 1.05em; flex: 0 0 auto; }

.btn-wa {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-ink { background: var(--ink); border-color: var(--ink); color: #fff; }

@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
  .btn-wa:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
  .btn-ink:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
}
.btn:active { transform: translateY(1px); }

.btn-row { display: flex; flex-wrap: wrap; gap: .7rem; }

/* --- Tag / chip ---------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .28rem .5rem;
  border: var(--hair) solid var(--line-soft);
  color: var(--ink-2);
  white-space: nowrap;
}
.tag-car { border-color: var(--line); color: var(--ink); font-weight: 700; }
.tag-ref {
  font-weight: 700;
  color: var(--ink);
  border-color: var(--accent);
  background: rgba(229, 38, 37, .06);
}

/* --- Header --------------------------------------------------- */
.head {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--paper);
  border-bottom: var(--hair) solid var(--line);
}
.head-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: var(--nav-h);
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand img { height: 26px; width: auto; }
.brand-txt { display: none; }

.nav { display: flex; align-items: center; gap: .2rem; }
.nav a {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .5rem .8rem;
  position: relative;
  transition: color .2s var(--ease-out);
}
.nav a::after {
  content: "";
  position: absolute;
  left: .8rem; right: .8rem; bottom: .34rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .nav a:hover::after { transform: scaleX(1); }
}
.nav a[aria-current="page"] { color: var(--accent); }
.nav a[aria-current="page"]::after { transform: scaleX(1); }

.head-actions { display: flex; align-items: center; gap: .6rem; }
.head-cta { display: none; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border: var(--hair) solid var(--line);
  padding: .45rem .7rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  font-weight: 700;
}

/* --- Marquee -------------------------------------------------- */
.marquee {
  border-top: var(--hair) solid var(--line);
  border-bottom: var(--hair) solid var(--line);
  background: var(--ink);
  color: #fff;
  overflow: hidden;
  padding-block: .6rem;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeSlide 38s linear infinite;
}
.marquee-track span {
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  padding-inline: 1.4rem;
  display: inline-flex;
  align-items: center;
  gap: 1.4rem;
  white-space: nowrap;
}
.marquee-track span::after {
  content: "";
  width: 7px; height: 7px;
  background: var(--accent);
  display: inline-block;
}
@keyframes marqueeSlide {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* --- Ficha de categoria (hover invert = efecto firma) ---------- */
.cat-grid {
  display: grid;
  gap: var(--hair);
  background: var(--line);
  border: var(--hair) solid var(--line);
}
.cat-card {
  background: var(--paper);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  display: grid;
  gap: 1rem;
  align-content: start;
  position: relative;
  min-height: 260px;
  transition: background .35s var(--ease-out), color .35s var(--ease-out);
}
.cat-card .cat-n {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--accent);
  transition: color .35s var(--ease-out);
}
.cat-card h3 {
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  text-transform: uppercase;
  font-stretch: 88%;
}
.cat-card p { color: var(--ink-2); font-size: .95rem; transition: color .35s var(--ease-out); }
.cat-fig { margin-top: auto; }
.cat-fig svg { width: 100%; height: auto; max-height: 130px; }
.cat-fig svg [data-stroke] { stroke: var(--ink); transition: stroke .35s var(--ease-out); }
.cat-fig svg [data-accent] { stroke: var(--accent); transition: stroke .35s var(--ease-out); }
.cat-count {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-top: var(--hair) solid var(--line-soft);
  padding-top: .7rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: border-color .35s var(--ease-out);
}
.cat-card .go { color: var(--accent); font-weight: 700; transition: color .35s var(--ease-out); }

@media (hover: hover) and (pointer: fine) {
  .cat-card:hover { background: var(--ink); color: #fff; }
  .cat-card:hover p { color: rgba(255,255,255,.72); }
  .cat-card:hover .cat-n { color: #fff; }
  .cat-card:hover .cat-count { border-color: rgba(255,255,255,.28); }
  .cat-card:hover .go { color: var(--accent); }
  .cat-card:hover .cat-fig svg [data-stroke] { stroke: #fff; }
}
.cat-card:focus-visible { background: var(--ink); color: #fff; outline-offset: -3px; }

/* --- Pasos ---------------------------------------------------- */
.steps {
  display: grid;
  gap: var(--hair);
  background: var(--line);
  border: var(--hair) solid var(--line);
}
.step {
  background: var(--paper);
  padding: clamp(1.4rem, 3vw, 2rem);
  display: grid;
  gap: .8rem;
  align-content: start;
}
.step-n {
  font-family: var(--mono);
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  color: var(--bg-3);
  letter-spacing: -0.04em;
}
.step h3 { font-size: 1.15rem; text-transform: uppercase; letter-spacing: -0.01em; }
.step p { color: var(--ink-2); font-size: .95rem; }

/* --- Grid de marcas de repuesto ------------------------------- */
.brands {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--hair);
  background: var(--line);
  border: var(--hair) solid var(--line);
}
.brand-cell {
  background: var(--paper);
  padding: 1.3rem .9rem;
  text-align: center;
  font-family: var(--mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  display: grid;
  align-content: center;
  transition: background .3s var(--ease-out), color .3s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .brand-cell:hover { background: var(--accent); color: #fff; }
}

/* --- Declaracion editorial ------------------------------------ */
.statement {
  border: var(--hair) solid var(--line);
  padding: clamp(1.5rem, 4vw, 3rem);
}
.statement p {
  font-size: clamp(.95rem, 1.3vw, 1.08rem);
  line-height: 1.65;
  letter-spacing: -0.005em;
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}
.statement p + p { margin-top: 1.1rem; }
@media (min-width: 720px) {
  .statement {
    column-count: 2;
    column-gap: clamp(2rem, 5vw, 3.5rem);
    column-rule: var(--hair) solid var(--line-soft);
  }
  .statement p { break-inside: avoid; }
}

/* --- Banner de fotos de referencia ------------------------------
   Puramente visual (aria-hidden, la descripcion real va en el .sr-only
   de al lado): se desliza solo en bucle, sin botones ni scrollbar.
   Misma tecnica que .marquee (texto): la lista de fotos esta duplicada
   en el HTML y la animacion recorre exactamente la mitad del ancho. */
.photo-marquee {
  border: var(--hair) solid var(--line);
  border-top: 0;
  background: var(--bg-2);
  overflow: hidden;
}
.photo-marquee-track {
  display: flex;
  width: max-content;
  gap: var(--hair);
  background: var(--line);
  animation: photoMarqueeSlide 42s linear infinite;
}
.photo-marquee-track figure {
  flex: 0 0 auto;
  width: clamp(170px, 22vw, 240px);
  aspect-ratio: 3 / 4;
  background: var(--paper);
  overflow: hidden;
}
.photo-marquee-track img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
@keyframes photoMarqueeSlide {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-50%, 0, 0); }
}

/* =============================================================
   6. SECCIONES
   ============================================================= */

/* --- HERO ----------------------------------------------------- */
.hero {
  padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(2rem, 5vw, 3.5rem);
  position: relative;
}
.hero-grid { display: grid; gap: clamp(1.6rem, 4vw, 3rem); }
.hero-kicker {
  display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; align-items: center;
  margin-bottom: clamp(1rem, 2.5vw, 1.8rem);
}
.hero-kicker .dot {
  width: 8px; height: 8px; background: var(--accent);
  display: inline-block; margin-right: .5rem;
  animation: livePulse 2.6s var(--ease-soft) infinite;
}
@keyframes livePulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.hero-title {
  font-size: clamp(2.3rem, 5.6vw, 4.6rem);
  font-stretch: 84%;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-wrap: balance;
}
.hero-title .l2 { color: var(--accent); }

.hero-sub {
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  color: var(--ink-2);
  max-width: 54ch;
}
.hero-aside { display: grid; gap: 1.2rem; align-content: start; }

/* Buscador rapido del hero */
.quick {
  border: var(--hair) solid var(--line);
  display: grid;
}
.quick-lbl {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .6rem .8rem;
  border-bottom: var(--hair) solid var(--line);
  background: var(--bg-2);
  color: var(--ink-2);
}
.quick-row { display: flex; }
.quick input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  padding: .9rem .9rem;
  background: var(--paper);
  font-size: .95rem;
}
.quick input::placeholder { color: var(--ink-mute); }
.quick input:focus { outline: none; background: #fffdf5; }
.quick button {
  flex: 0 0 auto;
  background: var(--ink);
  color: #fff;
  padding: .9rem 1.1rem;
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: background .25s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) { .quick button:hover { background: var(--accent); } }

/* Tira de especificaciones */
.spec {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--hair);
  background: var(--line);
  border: var(--hair) solid var(--line);
  margin-top: clamp(1.8rem, 4vw, 3rem);
}
.spec-cell {
  background: var(--paper);
  padding: 1.1rem 1.2rem;
  display: grid;
  gap: .35rem;
}
.spec-k {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
}
.spec-v {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* --- Franja CTA ----------------------------------------------- */
.cta-band {
  background: var(--ink);
  color: #fff;
  border-top: var(--hair) solid var(--line);
}
.cta-in {
  padding-block: clamp(3rem, 8vw, 6rem);
  display: grid;
  gap: 1.6rem;
}
.cta-band h2 {
  font-size: clamp(2rem, 6.5vw, 4.6rem);
  text-transform: uppercase;
  font-stretch: 85%;
  letter-spacing: -0.03em;
}
.cta-band h2 em { font-style: normal; color: var(--accent); }
.cta-band p { color: rgba(255,255,255,.72); max-width: 56ch; }
.cta-band .btn { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
@media (hover: hover) and (pointer: fine) {
  .cta-band .btn:hover { background: #fff; color: var(--ink); border-color: #fff; }
  .cta-band .btn-wa:hover { background: #fff; color: var(--ink); }
}
.cta-band .btn-wa { background: var(--accent); border-color: var(--accent); }

/* --- Footer --------------------------------------------------- */
.foot {
  border-top: var(--hair) solid var(--line);
  background: var(--bg-2);
  padding-block: clamp(2.4rem, 5vw, 3.6rem);
}
.foot-grid { display: grid; gap: 2rem; }
.foot h2 {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: .8rem;
  font-weight: 500;
}
.foot li + li { margin-top: .35rem; }
.foot a { transition: color .2s var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .foot a:hover { color: var(--accent); } }
.foot img { height: 26px; width: auto; margin-bottom: .9rem; }
.foot-about { color: var(--ink-2); font-size: .9rem; max-width: 34ch; }
.foot-bottom {
  border-top: var(--hair) solid var(--line-soft);
  margin-top: 2rem;
  padding-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem 1.4rem;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* =============================================================
   6b. CATALOGO
   ============================================================= */
.cat-hero { padding-block: clamp(2rem, 5vw, 3.4rem) 1.6rem; }
.cat-hero h1 {
  font-size: clamp(2.2rem, 8vw, 5.4rem);
  text-transform: uppercase;
  font-stretch: 84%;
  letter-spacing: -0.04em;
}

/* Barra de filtros pegajosa */
.filters {
  position: sticky;
  top: var(--nav-h);
  z-index: 150;
  background: var(--paper);
  border-top: var(--hair) solid var(--line);
  border-bottom: var(--hair) solid var(--line);
}
.filters-in { padding-block: .85rem; display: grid; gap: .75rem; }
/* Sin esto, la fila de chips estira la columna y la barra se sale de pantalla. */
.filters-in > *, .filter-groups, .chip-group, .chips { min-width: 0; }

.search-row { display: flex; border: var(--hair) solid var(--line); }
.search-row input {
  flex: 1 1 auto; min-width: 0;
  border: 0; padding: .8rem .9rem;
  background: var(--paper); font-size: .95rem;
}
.search-row input:focus { outline: none; background: #fffdf5; }
.search-clear {
  flex: 0 0 auto; padding: 0 .9rem;
  font-family: var(--mono); font-size: .72rem;
  letter-spacing: .1em; text-transform: uppercase;
  border-left: var(--hair) solid var(--line);
  color: var(--ink-mute);
}
@media (hover: hover) and (pointer: fine) { .search-clear:hover { background: var(--ink); color: #fff; } }

.chips {
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  overflow-y: visible;
  padding-bottom: 2px;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.chips::-webkit-scrollbar { height: 3px; }
.chips::-webkit-scrollbar-thumb { background: var(--line-soft); }
.chip {
  flex: 0 0 auto;
  border: var(--hair) solid var(--line);
  padding: .45rem .75rem;
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background .2s var(--ease-out), color .2s var(--ease-out), border-color .2s var(--ease-out);
}
.chip small { font-weight: 400; opacity: .55; margin-left: .35rem; }
@media (hover: hover) and (pointer: fine) { .chip:hover { background: var(--bg-2); } }
.chip[aria-pressed="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip[aria-pressed="true"]:hover { background: var(--ink); }
.chip-group { display: flex; align-items: center; gap: .5rem; }
.chip-group > .mono { color: var(--ink-mute); flex: 0 0 auto; display: none; }

.result-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  justify-content: space-between;
  align-items: center;
  padding-block: .9rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-bottom: var(--hair) solid var(--line);
}
.result-bar b { color: var(--ink); }

/* Lista de piezas */
.parts { border-bottom: var(--hair) solid var(--line); }
.part {
  display: grid;
  gap: .55rem;
  padding: 1rem 0;
  border-bottom: var(--hair) solid var(--line-soft);
  transition: background .25s var(--ease-out), color .25s var(--ease-out);
}
.part[hidden] { display: none; }
.part-top { display: flex; gap: .8rem; align-items: baseline; }
.part-idx {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--ink-mute);
  flex: 0 0 auto;
  padding-top: .18rem;
  transition: color .25s var(--ease-out);
}
.part-name {
  font-size: 1.02rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 1.2;
}
.part-meta { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.part-act { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }

.part-ref {
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  border: var(--hair) solid var(--line);
  padding: .35rem .55rem;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.part-ref .cp {
  font-size: .6rem;
  letter-spacing: .1em;
  color: var(--ink-mute);
  font-weight: 400;
}
@media (hover: hover) and (pointer: fine) {
  .part-ref:hover { background: var(--ink); color: #fff; }
  .part-ref:hover .cp { color: rgba(255,255,255,.7); }
}
.part-ref.is-copied { background: var(--accent); color: #fff; border-color: var(--accent); }
.part-ref.is-copied .cp { color: rgba(255,255,255,.85); }

.part-wa {
  font-family: var(--mono);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem .7rem;
  border: var(--hair) solid var(--accent);
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  transition: background .2s var(--ease-out), color .2s var(--ease-out);
}
.part-wa svg { width: .95em; height: .95em; }
@media (hover: hover) and (pointer: fine) {
  .part-wa:hover { background: var(--accent); color: #fff; }
}

.empty {
  padding: clamp(2.5rem, 8vw, 5rem) 0;
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
}
/* El atributo hidden pierde contra "display: grid" de arriba (misma
   especificidad, ambas reglas de autor): se fuerza aqui explicitamente. */
.empty[hidden] { display: none; }
.empty h3 { font-size: 1.4rem; text-transform: uppercase; }
.empty p { color: var(--ink-2); max-width: 44ch; }

/* =============================================================
   6c. CONTACTO
   ============================================================= */
.contact-grid { display: grid; gap: var(--hair); background: var(--line); border: var(--hair) solid var(--line); }
.contact-cell { background: var(--paper); padding: clamp(1.4rem, 3.5vw, 2.4rem); display: grid; gap: 1rem; align-content: start; }
.contact-cell h2 { font-size: 1.1rem; text-transform: uppercase; }
.contact-big {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  transition: color .2s var(--ease-out);
}
@media (hover: hover) and (pointer: fine) { a.contact-big:hover { color: var(--ink); } }
.contact-address {
  font-family: var(--mono);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.map-cell { grid-column: 1 / -1; padding: 0; min-height: 280px; }
.map-cell iframe { width: 100%; height: 100%; min-height: 280px; border: 0; display: block; }
.hours { display: grid; gap: .5rem; }
.hours li {
  display: flex; justify-content: space-between; gap: 1rem;
  border-bottom: var(--hair) solid var(--line-soft);
  padding-bottom: .5rem;
  font-size: .92rem;
}
.hours span:last-child { font-family: var(--mono); font-size: .8rem; color: var(--ink-2); }

.form { display: grid; gap: .8rem; }
.field { display: grid; gap: .35rem; }
.field label {
  font-family: var(--mono); font-size: .68rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mute);
}
.field input, .field textarea, .field select {
  border: var(--hair) solid var(--line);
  padding: .75rem .8rem;
  background: var(--paper);
  font-size: .95rem;
  width: 100%;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; background: #fffdf5; border-color: var(--accent); }
.form-note { font-size: .8rem; color: var(--ink-mute); }
.form-cols { display: grid; gap: .8rem; }
@media (min-width: 720px) { .form-cols { grid-template-columns: 1fr 1fr; } }

/* =============================================================
   7. EFECTOS
   ============================================================= */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* Red de seguridad: si un elemento lleva .reveal y ademas data-split,
   el manejador de split no le quita el opacity:0. Esta regla lo anula. */
.reveal[data-split] { opacity: 1; transform: none; }

/* Sin JS todo el contenido debe verse igual */
.no-js .reveal { opacity: 1; transform: none; }

@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) {
  animation-duration: .38s;
  animation-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Boton flotante de WhatsApp (movil) */
.wa-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 180;
  background: var(--accent);
  color: #fff;
  border: var(--hair) solid var(--ink);
  padding: .8rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .2s var(--ease-out), background .2s var(--ease-out);
}
.wa-float svg { width: 1.1em; height: 1.1em; }
@media (hover: hover) and (pointer: fine) {
  .wa-float:hover { background: var(--ink); transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--ink); }
}

/* =============================================================
   8. RESPONSIVE
   ============================================================= */
@media (min-width: 540px) {
  :root { --gutter: 1.75rem; }
  .spec { grid-template-columns: repeat(3, 1fr); }
  .part { grid-template-columns: 1fr auto; align-items: center; gap: .8rem 1.5rem; }
  .part-act { justify-content: flex-end; }
}

@media (min-width: 720px) {
  :root { --nav-h: 72px; }
  .brand img { height: 30px; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .foot-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-cell-location { grid-column: 1 / -1; }
  .filters-in { grid-template-columns: minmax(240px, 1fr) auto; align-items: center; gap: .75rem 1.2rem; }
  .filters-in .filter-groups { display: flex; gap: 1rem; flex-wrap: wrap; }
  .chip-group > .mono { display: block; }
}

@media (min-width: 960px) {
  :root { --gutter: 2.25rem; }
  .head-cta { display: inline-flex; }
  .nav-toggle { display: none; }
  .hero-grid { grid-template-columns: 1.55fr 1fr; align-items: end; }
  .foot-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .wa-float { display: none; }
  .part { grid-template-columns: minmax(0, 1fr) auto auto; }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-cell-location { grid-column: auto; }
}

@media (min-width: 1280px) {
  :root { --gutter: 3rem; }
}

/* Menu movil desplegable */
@media (max-width: 959px) {
  /* Espacio para que el boton flotante no tape la ultima linea */
  .foot { padding-bottom: 5.5rem; }

  .nav {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    background: var(--paper);
    border-bottom: var(--hair) solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: .5rem var(--gutter) 1.2rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s var(--ease-out), transform .25s var(--ease-out);
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav a { padding: .85rem 0; border-bottom: var(--hair) solid var(--line-soft); font-size: .85rem; }
  .nav a::after { left: 0; right: auto; width: 28px; bottom: .5rem; }
  .no-js .nav { position: static; opacity: 1; transform: none; pointer-events: auto; padding: 0; border: 0; flex-direction: row; }
  .no-js .nav-toggle { display: none; }
}

/* =============================================================
   9. REDUCED MOTION — solo efectos intrusivos
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-kicker .dot { animation: none; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}