/* ════════════════════════════════════════════════════════
   BIRD & HOCKNEY — Subpáginas
   Estilos compartidos: héroes de página, formularios,
   galería, acordeones, demo de automatización
   (se carga después de styles.css)
   ════════════════════════════════════════════════════════ */

/* ─── Header en páginas claras (sin hero fotográfico) ──── */

.site-nav.solid { color: var(--ink); }
.site-nav.solid .brand img { filter: none; }

/* ─── Header en páginas oscuras ─────────────────────────── */

body.page-dark { background: var(--ink); color: var(--white); }
body.page-dark .site-nav.scrolled {
  background: rgba(36, 37, 40, .9);
  color: var(--white);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .08);
}
body.page-dark .site-nav.scrolled .brand img { filter: brightness(0) invert(1); }
body.page-dark ::selection { background: var(--sand); color: var(--ink); }

/* ─── Página actual en navegación ───────────────────────── */

.menu-link.is-here { color: var(--sand); }
.nav-links a.is-here { opacity: 1; }
.nav-links a.is-here::after { transform: scaleX(1); }

/* ════════════════════════════════════════════════════
   HERO DE PÁGINA — cinemático, más bajo que el de inicio
   ════════════════════════════════════════════════════ */

.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  height: 78vh;
  height: 78dvh;
  min-height: 520px;
  overflow: hidden;
  background: var(--ink);
  padding-inline: 0;
}

.page-hero-media {
  position: absolute;
  inset: 0;
  animation: heroZoom 14s var(--ease) forwards;
  will-change: transform;
}

.page-hero-media img {
  position: absolute;
  inset: -10% 0 auto;
  width: 100%;
  height: 120%;
  object-fit: cover;
  transform: translate3d(0, var(--py, 0px), 0);
  will-change: transform;
}

.page-hero-body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 var(--pad-x) clamp(54px, 9vh, 96px);
  color: var(--white);
  will-change: transform, opacity;
}

.page-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(42px, 6.8vw, 100px);
  line-height: .97;
  letter-spacing: -.01em;
  max-width: 1020px;
  text-wrap: balance;
}

/* ════════════════════════════════════════════════════
   INTRO DE PÁGINA — para páginas claras sin foto
   ════════════════════════════════════════════════════ */

.page-intro {
  padding-top: clamp(140px, 20vh, 220px);
  padding-bottom: clamp(48px, 7vw, 90px);
  background: var(--paper);
}

.page-intro .page-title { color: var(--ink); }

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: clamp(32px, 5.5vw, 90px);
  align-items: end;
}

/* ════════════════════════════════════════════════════
   SECCIONES EDITORIALES GENÉRICAS
   ════════════════════════════════════════════════════ */

.split {
  display: grid;
  grid-template-columns: minmax(300px, .82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 5.5vw, 90px);
  align-items: center;
  padding-block: clamp(64px, 9vw, 120px);
}

.split--flip { grid-template-columns: minmax(0, 1.18fr) minmax(300px, .82fr); }
.split--flip .split-fig { order: 2; }

.split-fig {
  position: relative;
  aspect-ratio: 4 / 5;
  max-height: 580px;
  width: 100%;
  overflow: hidden;
  background: var(--mist);
}

.split-fig img {
  position: absolute;
  inset: -9% 0 auto;
  width: 100%;
  height: 118%;
  object-fit: cover;
  transform: translate3d(0, var(--py, 0px), 0) scale(1.01);
  will-change: transform;
}

.split-fig--wide { aspect-ratio: 16 / 11; max-height: 520px; }

.split-body { display: grid; gap: clamp(20px, 3vh, 30px); }

/* ─── Banda CTA ─────────────────────────────────────── */

.cta-band {
  display: grid;
  gap: clamp(24px, 4vh, 38px);
  justify-items: start;
  padding-block: clamp(84px, 12vw, 150px);
  background: var(--mist);
}

.cta-band--dark { background: var(--ink); color: var(--white); }
.cta-band--dark .copy { color: rgba(255, 255, 255, .62); }

.cta-band .display { max-width: 860px; }

/* ─── Cifras animadas ───────────────────────────────── */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(26px, 4vw, 56px);
  padding-block: clamp(48px, 7vw, 84px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat { display: grid; gap: 12px; align-content: start; justify-items: center; text-align: center; }

.stat strong {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 4.6vw, 76px);
  line-height: 1;
  color: var(--ink);
}

.stat strong em {
  font-style: normal;
  color: var(--sand);
}

.stat span {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-42);
}

/* ─── Acordeón editorial ────────────────────────────── */

.acc { display: grid; border-top: 1px solid var(--line); }

.acc-item { border-bottom: 1px solid var(--line); }

.acc-head {
  display: flex;
  align-items: baseline;
  gap: clamp(18px, 2.6vw, 34px);
  width: 100%;
  padding: clamp(20px, 3vh, 32px) 0;
  text-align: left;
  cursor: pointer;
}

.acc-head .num { transition: color .35s ease; }

.acc-name {
  flex: 1;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 3.2vw, 46px);
  line-height: 1.05;
  transition: transform .55s var(--ease), color .35s ease;
}

.acc-mark {
  font-family: var(--serif);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1;
  color: var(--sand);
  transition: transform .5s var(--ease);
}

.acc-item.open .acc-mark { transform: rotate(45deg); }
.acc-item.open .acc-name,
.acc-head:hover .acc-name { transform: translateX(10px); }

.acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .7s var(--ease);
}

.acc-item.open .acc-body { grid-template-rows: 1fr; }

.acc-body > div { overflow: hidden; }

.acc-copy {
  max-width: 640px;
  padding: 0 0 clamp(24px, 3.4vh, 38px) clamp(34px, 4.4vw, 64px);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-60);
}

/* ─── Método — matriz editorial de pasos ────────────── */

.method {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  max-width: 920px;
  margin-inline: auto;
}

.method-step {
  padding: clamp(34px, 4vw, 60px) clamp(28px, 3.4vw, 56px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* solo divisiones interiores — sin marco exterior */
.method-step:nth-child(even) { border-right: 0; }
.method-step:nth-child(n+3) { border-bottom: 0; }

.method-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.08;
  color: var(--ink);
  margin-bottom: clamp(10px, 1.4vw, 16px);
}

.method-copy {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-60);
  max-width: 460px;
}

/* ════════════════════════════════════════════════════
   PRODUCTOS — filas editoriales por categoría
   ════════════════════════════════════════════════════ */

.cat-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-bottom: clamp(28px, 4vw, 48px);
}

.cat-jump a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-60);
  padding-block: 8px;
  transition: color .3s ease;
}

.cat-jump a .num { font-size: 9px; }
.cat-jump a:hover { color: var(--ink); }

.cat-row {
  display: grid;
  grid-template-columns: minmax(0, .94fr) minmax(0, 1.06fr);
  gap: clamp(32px, 5.5vw, 96px);
  align-items: center;
  padding-block: clamp(56px, 8vw, 110px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.cat-fig {
  position: relative;
  aspect-ratio: 4 / 5;
  max-height: 620px;
  width: 100%;
  overflow: hidden;
  background: var(--mist);
}

.cat-fig img {
  position: absolute;
  inset: -9% 0 auto;
  width: 100%;
  height: 118%;
  object-fit: cover;
  transform: translate3d(0, var(--py, 0px), 0) scale(1.01);
  transition: filter .5s ease;
  will-change: transform;
}

.cat-row:hover .cat-fig img { filter: saturate(.9); }

.cat-fig .cat-ghost {
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 4px;
  font-family: var(--serif);
  font-size: clamp(86px, 9vw, 150px);
  line-height: .8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .65);
  pointer-events: none;
}

.cat-row--flip .cat-fig { order: 2; }

.cat-body { display: grid; gap: clamp(16px, 2.4vh, 24px); }

.cat-body h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 4vw, 60px);
  line-height: 1.02;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chips-label {
  flex: 0 0 100%;
  margin-bottom: 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 1px solid var(--line);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-72);
  transition: background .3s ease, color .3s ease, border-color .3s ease, transform .3s ease;
}

.chip:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
  transform: translateY(-2px);
}

/* ════════════════════════════════════════════════════
   AUTOMATIZACIÓN — página oscura + demo interactiva
   ════════════════════════════════════════════════════ */

.dk { background: var(--ink); color: var(--white); }
.dk .copy { color: rgba(255, 255, 255, .6); }
.dk .num { color: var(--sand); }
.dk .text-link { color: rgba(255, 255, 255, .72); }
.dk .text-link:hover { color: var(--white); }

.dk-line { border-top: 1px solid rgba(255, 255, 255, .1); }

/* — Demo: la persiana responde al visitante — */

.demo { padding-block: clamp(64px, 9vw, 120px); }

.demo-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr);
  gap: clamp(32px, 5vw, 84px);
  align-items: center;
}

.demo-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #131416;
}

.demo-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.demo-tint {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--tint, transparent);
  mix-blend-mode: multiply;
  transition: background 1.4s ease;
  pointer-events: none;
}

.demo-shade {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  right: 0;
  height: calc(var(--shade, 38) * 1%);
  background: repeating-linear-gradient(to bottom,
    rgba(243, 238, 230, .97) 0 22px,
    rgba(216, 205, 189, .97) 22px 25px);
  border-bottom: 7px solid #ab9a83;
  box-shadow: 0 22px 44px rgba(0, 0, 0, .4);
  transition: height 1.5s var(--snap);
  will-change: height;
}

.demo-read {
  position: absolute;
  z-index: 3;
  left: 18px;
  bottom: 14px;
  display: grid;
  gap: 4px;
  color: var(--white);
  text-shadow: 0 1px 16px rgba(0, 0, 0, .5);
}

.demo-read b {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 3.4vw, 52px);
  line-height: 1;
}

.demo-panel { display: grid; gap: clamp(22px, 3.4vh, 34px); align-content: center; }

.demo-panel h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(28px, 2.8vw, 44px);
  line-height: 1.05;
}

.demo-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, .25);
  outline-offset: 8px;
  cursor: pointer;
}

.demo-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sand);
  border: 0;
  transition: transform .3s var(--ease);
}

.demo-range::-webkit-slider-thumb:hover { transform: scale(1.25); }

.demo-range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--sand);
  border: 0;
}

.demo-range-label {
  display: flex;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 9px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .38);
}

.scenes { display: flex; flex-wrap: wrap; gap: 10px; }

.scene {
  padding: 11px 18px;
  border: 1px solid rgba(255, 255, 255, .18);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .66);
  transition: background .35s ease, color .35s ease, border-color .35s ease;
}

.scene:hover { border-color: var(--sand); color: var(--white); }

.scene.on {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
}

/* — Capacidades — */

.feat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(28px, 3.6vw, 56px);
  padding-block: clamp(56px, 8vw, 100px);
}

.feat {
  display: grid;
  gap: 14px;
  align-content: start;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  transition: border-color .5s ease, transform .5s var(--ease);
}

.feat:hover { border-top-color: var(--sand); transform: translateY(-5px); }

.feat strong {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px, 2vw, 32px);
  line-height: 1;
  color: var(--sand);
}

.feat h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(19px, 1.5vw, 24px);
  line-height: 1.15;
}

.feat p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .55);
}

/* — Marcas compatibles — */

.brands-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 28px 44px;
  padding-block: clamp(44px, 6vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, .1);
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

/* ════════════════════════════════════════════════════
   AUTOMATIZACIÓN — editorial sobre fondo oscuro
   Reutiliza el directorio y el escaparate de Productos,
   adaptados al tema oscuro de la página.
   ════════════════════════════════════════════════════ */

.dk .prod-intro-title { color: var(--white); }

/* Directorio de capacidades — tarjetas sobre oscuro */
.dk .prod-dir { padding-bottom: 0; }

.dk .prod-tile {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .16);
}

/* Escaparate editorial en oscuro */
.dk.showcase,
.dk .showcase { border-top-color: rgba(255, 255, 255, .1); }
.dk.showcase:first-of-type { border-top-color: transparent; }

.dk .showcase-fig { background: #131416; }

.dk .install-marks li { color: rgba(255, 255, 255, .62); }

/* Chips informativos sobre oscuro */
.dk .chip {
  border-color: rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .68);
}

.dk .chip:hover {
  background: var(--sand);
  border-color: var(--sand);
  color: var(--ink);
  transform: translateY(-2px);
}

.dk .chip--static,
.dk .chip--static:hover {
  background: transparent;
  border-color: rgba(255, 255, 255, .2);
  color: rgba(255, 255, 255, .68);
  transform: none;
}

.dk .chips-label { color: rgba(255, 255, 255, .45); }

/* ════════════════════════════════════════════════════
   FORMULARIO — agendar medición (asistente por pasos)
   ════════════════════════════════════════════════════ */

.sched {
  padding-block: clamp(48px, 7vw, 90px);
  background: var(--paper);
}

.sched-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .75fr);
  gap: clamp(36px, 6vw, 110px);
  align-items: start;
}

.sched-aside { position: sticky; top: 110px; display: grid; gap: 24px; }

.sched-aside .split-fig { aspect-ratio: 4 / 5; max-height: 480px; }

.sched-note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-60);
  max-width: 360px;
}

/* — Progreso — */

.fprog {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: clamp(28px, 4vh, 44px);
}

.fprog-count {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-42);
  white-space: nowrap;
}

.fprog-count b { font-weight: 400; color: var(--sand); }

.fprog .bar {
  flex: 1;
  height: 1px;
  background: var(--line);
}

.fprog .bar i {
  display: block;
  height: 100%;
  background: var(--sand);
  transform: scaleX(.25);
  transform-origin: left;
  transition: transform .8s var(--ease);
}

.fstep-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(26px, 2.8vw, 42px);
  line-height: 1.05;
  margin-bottom: clamp(22px, 3.4vh, 36px);
}

/* — Pasos — */

.fstep { display: none; }

.fstep.on {
  display: grid;
  gap: clamp(24px, 3.6vh, 36px);
  animation: stepIn .65s var(--ease);
}

@keyframes stepIn {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

.fgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(22px, 3vw, 34px);
}

.fgrid .wide { grid-column: 1 / -1; }

.field { display: grid; gap: 10px; align-content: start; }

.field > label,
.fld-label {
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-42);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="date"],
.field textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 12px 0;
  font: inherit;
  font-size: 15px;
  color: var(--ink);
  border-radius: 0;
  transition: border-color .35s ease;
}

.field textarea { resize: vertical; min-height: 110px; line-height: 1.7; }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-bottom-color: var(--sand);
  box-shadow: 0 1px 0 var(--sand);
}

.field input::placeholder,
.field textarea::placeholder { color: var(--ink-42); }

/* — Pastillas de selección — */

.pills { display: flex; flex-wrap: wrap; gap: 10px; }

.pill { position: relative; }

.pill input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.pill span {
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-72);
  transition: background .3s ease, color .3s ease, border-color .3s ease, transform .3s ease;
}

.pill:hover span { border-color: var(--ink-42); transform: translateY(-2px); }

.pill input:checked + span {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.pill input:focus-visible + span {
  outline: 2px solid var(--sand);
  outline-offset: 3px;
}

/* — Subida de fotos — */

.upload { position: relative; }

.upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.upload-box {
  display: grid;
  justify-items: start;
  gap: 6px;
  padding: 22px;
  border: 1px dashed var(--ink-42);
  font-size: 13px;
  color: var(--ink-60);
  transition: border-color .3s ease, background .3s ease;
}

.upload:hover .upload-box { border-color: var(--sand); background: var(--mist); }

.upload-box b { font-weight: 500; color: var(--ink); }

/* — Consentimiento — */

.consent {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-60);
  cursor: pointer;
}

.consent input {
  margin-top: 4px;
  width: 16px;
  height: 16px;
  accent-color: var(--ink);
  cursor: pointer;
}

/* — Navegación del asistente — */

.fnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-top: clamp(10px, 2vh, 18px);
  border-top: 1px solid var(--line);
}

.f-err {
  display: none;
  font-size: 12px;
  letter-spacing: .04em;
  color: #a8543c;
}

.f-err.show { display: block; }

.field.err input,
.field.err textarea { border-bottom-color: #a8543c; }

/* — Confirmación — */

.form-done {
  display: none;
  gap: 22px;
  padding: clamp(36px, 5vw, 56px) 0;
  animation: stepIn .7s var(--ease);
}

.form-done.show { display: grid; }

.form-done h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(30px, 3.4vw, 52px);
  line-height: 1.04;
}

.done-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn--ghost {
  background: transparent;
  color: var(--ink);
}

.btn--ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }

/* ════════════════════════════════════════════════════
   PROYECTOS — galería editorial + visor
   ════════════════════════════════════════════════════ */

.gal-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(30px, 4.5vw, 54px);
}

.gal-filter {
  padding: 11px 18px;
  border: 1px solid var(--line);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-60);
  transition: background .3s ease, color .3s ease, border-color .3s ease;
}

.gal-filter:hover { border-color: var(--ink-42); color: var(--ink); }

.gal-filter.on {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.gal {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(10px, 1.4vw, 22px);
}

.gal-item {
  position: relative;
  overflow: hidden;
  background: var(--mist);
  cursor: pointer;
  border: 0;
  padding: 0;
  text-align: left;
}

.gal-item.hide { display: none; }

.g-a { grid-column: span 7; aspect-ratio: 16 / 11; }
.g-b { grid-column: span 5; aspect-ratio: 4 / 5; }
.g-c { grid-column: span 4; aspect-ratio: 4 / 5; }
.g-d { grid-column: span 8; aspect-ratio: 16 / 10; }
.g-e { grid-column: span 6; aspect-ratio: 4 / 3; }

.gal-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter .5s ease;
}

.gal-item:hover img,
.gal-item:focus-visible img { transform: scale(1.05); filter: saturate(.9); }

.gal-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(28, 29, 31, .62) 0%,
    rgba(28, 29, 31, .14) 36%,
    rgba(28, 29, 31, 0) 60%);
  opacity: 0;
  transition: opacity .5s ease;
  pointer-events: none;
}

.gal-item:hover::after,
.gal-item:focus-visible::after { opacity: 1; }

.gal-tag {
  position: absolute;
  z-index: 2;
  inset: auto 16px 16px 16px;
  display: grid;
  gap: 6px;
  color: var(--white);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .5s ease, transform .55s var(--ease);
  pointer-events: none;
}

.gal-item:hover .gal-tag,
.gal-item:focus-visible .gal-tag { opacity: 1; transform: translateY(0); }

.gal-tag h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(19px, 1.8vw, 26px);
  line-height: 1.08;
}

/* — Visor (lightbox) — */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  flex-direction: column;
  background: #1c1d1f;
  color: var(--white);
  opacity: 0;
  pointer-events: none;
  transition: opacity .5s ease;
}

.lightbox.open { opacity: 1; pointer-events: auto; }

.lb-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px var(--pad-x);
}

.lb-count { font-size: 10px; letter-spacing: .24em; text-transform: uppercase; color: rgba(255,255,255,.55); }
.lb-count b { font-weight: 400; color: var(--sand); }

.lb-close {
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
  transition: color .3s ease;
}

.lb-close:hover { color: var(--sand); }

.lb-stage {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  padding: 0 clamp(54px, 8vw, 120px);
}

.lb-img {
  max-width: 100%;
  max-height: calc(100vh - 200px);
  object-fit: contain;
  animation: lbIn .6s var(--ease);
}

@keyframes lbIn {
  from { opacity: 0; transform: scale(.985); }
  to { opacity: 1; transform: scale(1); }
}

.lb-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  font-family: var(--serif);
  font-size: 26px;
  color: rgba(255, 255, 255, .65);
  transition: color .3s ease, transform .3s ease;
}

.lb-arrow:hover { color: var(--sand); }
.lb-prev { left: clamp(6px, 1.5vw, 24px); }
.lb-next { right: clamp(6px, 1.5vw, 24px); }
.lb-prev:hover { transform: translateY(-50%) translateX(-3px); }
.lb-next:hover { transform: translateY(-50%) translateX(3px); }

.lb-cap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 20px var(--pad-x) 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, .6);
}

.lb-cap h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(19px, 1.8vw, 26px);
  color: var(--white);
}

/* ════════════════════════════════════════════════════
   CONTACTO
   ════════════════════════════════════════════════════ */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(280px, .8fr) minmax(0, 1.2fr);
  gap: clamp(40px, 6vw, 110px);
  align-items: start;
  padding-top: clamp(12px, 1.6vw, 22px);
  padding-bottom: clamp(48px, 7vw, 90px);
}

.contact-list { display: grid; gap: clamp(26px, 4vh, 38px); position: sticky; top: 110px; }

.contact-item { display: grid; gap: 8px; }

.contact-item a,
.contact-item span {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-72);
}

.contact-item a {
  width: fit-content;
  transition: color .3s ease;
}

.contact-item a:hover { color: var(--ink); }

.contact-item .big {
  font-family: var(--serif);
  font-size: clamp(21px, 2vw, 28px);
  color: var(--ink);
}

/* ─── Marquesina genérica reutilizable ──────────────── */

/* ─── Credo editorial — lo que representa Bird ──────── */

.creed {
  padding-block: clamp(72px, 10vw, 132px);
}

.creed-intro {
  display: grid;
  gap: 18px;
  max-width: 640px;
  margin-bottom: clamp(40px, 6vw, 72px);
}

.creed-lead {
  font-family: var(--serif);
  font-size: clamp(20px, 2.1vw, 30px);
  line-height: 1.34;
  color: var(--ink);
  text-wrap: balance;
}

.creed-list {
  list-style: none;
  display: grid;
  border-top: 1px solid var(--line);
}

.creed-row {
  display: grid;
  grid-template-columns: minmax(0, .42fr) minmax(0, .58fr);
  align-items: baseline;
  column-gap: clamp(28px, 5vw, 80px);
  padding-block: clamp(28px, 3.6vw, 48px);
  border-bottom: 1px solid var(--line);
}

.creed-word {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(40px, 5.4vw, 84px);
  line-height: 1;
  color: var(--ink);
  transition: color .4s var(--ease);
}

.creed-copy {
  color: var(--ink-60);
  font-size: clamp(14px, 1.05vw, 16px);
  line-height: 1.75;
  max-width: 520px;
}

.creed-row:hover .creed-word { color: var(--sand); }

.strip {
  padding-block: clamp(36px, 5vw, 64px);
  overflow: hidden;
  pointer-events: none;
  user-select: none;
}

.strip-track {
  display: inline-flex;
  align-items: baseline;
  gap: clamp(24px, 3.4vw, 52px);
  padding-left: var(--pad-x);
  white-space: nowrap;
  font-family: var(--serif);
  font-size: clamp(44px, 6.8vw, 104px);
  line-height: 1.12;
  color: rgba(42, 43, 46, .13);
  will-change: transform;
}

@supports (-webkit-text-stroke: 1px black) {
  .strip-track {
    color: rgba(42, 43, 46, .14);
    -webkit-text-stroke: .6px rgba(42, 43, 46, .26);
  }
}

.strip-track em {
  font-style: normal;
  font-size: .4em;
  color: var(--sand);
  -webkit-text-stroke: 0;
}

.strip--dark .strip-track {
  color: rgba(255, 255, 255, .08);
  -webkit-text-stroke: .6px rgba(255, 255, 255, .22);
}

/* ─── Reseñas — carrusel de testimonios ─────────────── */

.reviews {
  padding-block: clamp(72px, 10vw, 132px);
  background: var(--paper);
}

.reviews-head {
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
  max-width: 720px;
  margin: 0 auto clamp(44px, 6vw, 78px);
}

.reviews-head .copy { max-width: 540px; }

.reviews-stage {
  position: relative;
  max-width: 1040px;
  margin-inline: auto;
  padding-inline: clamp(48px, 7vw, 96px);
}

.review-track {
  position: relative;
}

.review-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: clamp(150px, 17vw, 220px) minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 64px);
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(14px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  pointer-events: none;
}

.review-slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto;
}

.review-avatar {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 42%;
  overflow: hidden;
  background: var(--mist);
  display: grid;
  place-items: center;
}

.review-avatar img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-avatar span {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 88px);
  line-height: 1;
  color: var(--sand);
}

.review-quote {
  margin: 0;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.review-quote p {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.5;
  color: var(--ink);
  text-wrap: pretty;
}

.review-quote footer {
  display: grid;
  gap: 5px;
}

.review-name {
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--ink);
}

.review-role {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink-42);
}

.review-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  border-radius: 50%;
  color: var(--sand);
  transition: color .3s ease, border-color .3s ease, background .3s ease, transform .25s var(--ease);
}

.review-arrow:hover {
  color: var(--ink);
  border-color: var(--line);
  background: var(--white);
}

.review-arrow:active { transform: translateY(-50%) scale(.93); }

.review-arrow svg { width: 22px; height: 22px; }

.review-prev { left: 0; }
.review-next { right: 0; }

.review-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: clamp(34px, 4.5vw, 52px);
}

.review-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  transition: background .3s ease, transform .3s ease;
}

.review-dot.is-active {
  background: var(--sand);
  transform: scale(1.35);
}

/* ════════════════════════════════════════════════════
   PRODUCTOS — intro · directorio · escaparate
   ════════════════════════════════════════════════════ */

.prod-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: start;
  padding-block: clamp(54px, 7vw, 96px);
}

.prod-intro-head { display: grid; gap: clamp(12px, 1.4vw, 18px); }

.prod-intro-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(27px, 3.3vw, 48px);
  line-height: 1.05;
  letter-spacing: -.005em;
  text-wrap: balance;
}

.prod-intro-aside { display: grid; gap: clamp(18px, 2vw, 26px); justify-items: start; }
.prod-intro-aside .copy { max-width: 460px; }

/* ─── Directorio: cuadrícula compacta de productos ──── */

.prod-dir {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1.1vw, 18px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.prod-card {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--mist);
  color: var(--white);
}

.prod-card-media { position: absolute; inset: 0; overflow: hidden; }

.prod-card-media img {
  position: absolute;
  inset: -7% 0 auto;
  width: 100%;
  height: 114%;
  object-fit: cover;
  transform: translate3d(0, var(--py, 0px), 0) scale(1.04);
  transition: transform 1s var(--ease), filter .6s ease;
  will-change: transform;
}

.prod-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(22, 22, 24, 0) 40%, rgba(22, 22, 24, .74) 100%);
  transition: background .5s ease;
}

.prod-card-meta {
  position: absolute;
  z-index: 2;
  inset: auto 0 0 0;
  display: grid;
  gap: 3px;
  padding: clamp(13px, 1.2vw, 18px);
}

.prod-card-num { font-size: 9.5px; letter-spacing: .22em; color: rgba(255, 255, 255, .72); }

.prod-card-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(17px, 1.5vw, 23px);
  line-height: 1.05;
}

.prod-card-tag { font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .62); }

.prod-card:hover .prod-card-media img { transform: translate3d(0, var(--py, 0px), 0) scale(1.09); }
.prod-card:hover::after { background: linear-gradient(180deg, rgba(22, 22, 24, .1) 26%, rgba(22, 22, 24, .82) 100%); }

/* Insignia de lanzamiento (Vento) */
.prod-card--soon::before {
  content: "Próximamente";
  position: absolute;
  z-index: 2;
  top: 11px;
  left: 11px;
  padding: 6px 9px;
  font-size: 8.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--sand);
}

/* Mosaico de cierre que completa la cuadrícula */
.prod-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  aspect-ratio: 4 / 3;
  padding: clamp(15px, 1.4vw, 22px);
  background: var(--ink);
  color: var(--white);
}

.prod-tile-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(17px, 1.5vw, 23px);
  line-height: 1.12;
}

.prod-tile .text-link { color: rgba(255, 255, 255, .82); }
.prod-tile .text-link:hover { color: var(--white); }

/* ─── Escaparate por producto — compacto, foto apaisada */

.showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
  padding-block: clamp(52px, 7vw, 100px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 88px;
}

.showcase--flip .showcase-media { order: 2; }

.showcase-media { position: relative; }

.showcase-fig {
  position: relative;
  aspect-ratio: 3 / 2;
  max-height: 470px;
  width: 100%;
  overflow: hidden;
  background: var(--mist);
}

.showcase-fig img {
  position: absolute;
  inset: -12% 0 auto;
  width: 100%;
  height: 124%;
  object-fit: cover;
  transform: translate3d(0, calc(var(--py, 0px) * 1.2), 0) scale(1.03);
  transition: filter .6s ease;
  will-change: transform;
}

.showcase:hover .showcase-fig img { filter: saturate(.95); }

.showcase-badge {
  position: absolute;
  z-index: 3;
  top: 14px;
  left: 14px;
  padding: 7px 11px;
  font-size: 9px;
  letter-spacing: .2em;
  text-transform: uppercase;
  background: var(--sand);
  color: var(--ink);
}

.showcase-body { display: grid; gap: clamp(14px, 2vh, 22px); }

.showcase-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(27px, 3.1vw, 46px);
  line-height: 1.03;
  letter-spacing: -.005em;
}

/* Chips informativos (sin enlace) */
.chip--static { cursor: default; }
.chip--static:hover {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-72);
  transform: none;
}

/* ════════════════════════════════════════════════════
   ESCAPARATES HORIZONTALES — solo escritorio
   El bloque de productos (01–07) se fija y se recorre
   lateralmente; al llegar al último, el scroll vertical
   continúa con la marquesina y el CTA. La altura del riel
   y la traslación las calcula base.js.
   ════════════════════════════════════════════════════ */

@media (min-width: 1081px) {
  .showcase-rail { position: relative; }

  .showcase-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
  }

  .showcase-track {
    display: flex;
    height: 100%;
    will-change: transform;
  }

  /* Cada escaparate ocupa una pantalla completa */
  .showcase-rail .showcase {
    flex: 0 0 100vw;
    width: 100vw;
    height: 100vh;
    box-sizing: border-box;
    align-content: center;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-block: clamp(104px, 15vh, 150px) clamp(48px, 8vh, 84px);
    scroll-margin-top: 0;
  }

  .showcase-rail .showcase:first-child { border-left: 0; }

  /* ── Sub-navegación de productos — aparece al entrar al riel ── */
  .rail-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 90;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: clamp(16px, 2.6vw, 46px);
    padding: 13px var(--pad-x);
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity .55s var(--ease), transform .55s var(--ease);
  }

  .rail-nav.is-visible {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .rail-nav-item {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    gap: 7px;
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-42);
    white-space: nowrap;
    padding-block: 4px;
    transition: color .35s ease;
  }

  .rail-nav-num { color: var(--sand); }

  .rail-nav-item::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 1px;
    background: var(--ink);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .4s var(--ease);
  }

  .rail-nav-item:hover { color: var(--ink-72); }
  .rail-nav-item.is-active { color: var(--ink); }
  .rail-nav-item.is-active::after { transform: scaleX(1); }
}

/* Sin desplazamiento horizontal: el riel es un contenedor neutro */
@media (max-width: 1080px) {
  .showcase-rail,
  .showcase-sticky,
  .showcase-track { display: contents; }
  .rail-nav { display: none; }
}

/* ════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════ */

@media (max-width: 1080px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .split, .split--flip { grid-template-columns: 1fr; align-items: start; }
  .split--flip .split-fig { order: 0; }
  .split-fig { aspect-ratio: 16 / 10; max-height: 440px; }
  .cat-row, .cat-row--flip { grid-template-columns: 1fr; gap: clamp(22px, 4vw, 36px); }
  .cat-row--flip .cat-fig { order: 0; }
  .cat-fig { aspect-ratio: 16 / 10; max-height: 460px; }
  .prod-intro { grid-template-columns: 1fr; gap: clamp(18px, 4vw, 32px); align-items: start; }
  .prod-dir { grid-template-columns: repeat(3, 1fr); }
  .showcase, .showcase--flip { grid-template-columns: 1fr; gap: clamp(24px, 5vw, 40px); align-items: start; }
  .showcase--flip .showcase-media { order: 0; }
  .showcase-fig { aspect-ratio: 16 / 10; max-height: 440px; }
  .demo-stage { grid-template-columns: 1fr; }
  .sched-grid { grid-template-columns: 1fr; }
  .sched-aside { position: static; }
  .sched-aside .split-fig { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-list { position: static; }
  .intro-grid { grid-template-columns: 1fr; }
  .g-a, .g-b, .g-c, .g-d, .g-e { grid-column: span 6; }
  .g-a, .g-d { aspect-ratio: 16 / 11; }
  .g-b, .g-c, .g-e { aspect-ratio: 4 / 5; }
}

@media (max-width: 760px) {
  .page-hero { height: 64vh; min-height: 440px; }
  .page-title { font-size: clamp(38px, 11vw, 64px); }
  .stats { grid-template-columns: 1fr 1fr; gap: 30px; }
  .feat-grid { grid-template-columns: 1fr; gap: 30px; }
  .fgrid { grid-template-columns: 1fr; }
  .g-a, .g-b, .g-c, .g-d, .g-e { grid-column: span 12; aspect-ratio: 16 / 11; }
  .lb-stage { padding: 0 12px; }
  .lb-arrow { width: 44px; height: 44px; }
  .lb-cap { flex-direction: column; gap: 6px; }
  .fnav { flex-wrap: wrap; }
  .acc-copy { padding-left: 0; }
  .creed-row { grid-template-columns: 1fr; row-gap: 16px; }
  .method { grid-template-columns: 1fr; }
  .method-step:nth-child(odd) { border-right: 0; }
  .method-step:nth-child(n+3) { border-bottom: 1px solid var(--line); }
  .method-step:last-child { border-bottom: 0; }

  .reviews-stage { padding-inline: clamp(6px, 2vw, 18px); }
  .review-slide {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: clamp(24px, 6vw, 36px);
  }
  .review-avatar { width: clamp(116px, 38vw, 168px); }
  .review-quote { gap: 18px; }
  .review-quote footer { justify-items: center; }
  .review-arrow {
    top: clamp(58px, 19vw, 84px);
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
  }
  .review-arrow:active { transform: translateY(-50%) scale(.93); }

  .prod-dir { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .prod-card, .prod-tile { aspect-ratio: 4 / 3; }
  .showcase-fig { aspect-ratio: 4 / 3; max-height: 360px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-hero-media { animation: none; }
  .fstep.on, .form-done.show, .lb-img { animation: none; }
  .demo-shade { transition: none; }
  .strip-track { transform: none !important; }
}