/* =========================================================================
   TALLER CARS DOCTOR — PROTOCOLO DE ENSAMBLAJE / SERVICE BAY PREMIUM
   1.  Base y tokens
   2.  Header y navegación
   3.  Botones
   4.  Escena de ensamblaje + hero (una sola escena)
   5.  Franja de confianza
   6.  Servicios (consola 01—09)
   7.  Diagnóstico
   8.  Operaciones
   9.  Reserva
   10. Footer y WhatsApp
   11. Motion utilitario y keyframes
   12. Responsive
   13. Reduced motion / intro omitida
   ========================================================================= */

/* ---------- 1. Base y tokens ---------- */
:root {
  --bg: #070707;
  --panel: #0c0d0f;
  --panel2: #111316;
  --line: rgba(255, 255, 255, .12);
  --line-soft: rgba(255, 255, 255, .06);
  --text: #f4f1ea;
  --muted: #a6a7aa;
  --orange: #ff7000;
  --orange2: #ff9a3c;
  --max: 1280px;
  --header: 82px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box }

html {
  scroll-behavior: smooth;
  background: var(--bg);
  scroll-padding-top: calc(var(--header) + 1rem);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, Helvetica, sans-serif;
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none }
button, input, textarea { font: inherit }
img { max-width: 100% }

:focus-visible {
  outline: 2px solid var(--orange2);
  outline-offset: 3px;
  border-radius: 2px;
}

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

.skip-link {
  position: fixed;
  z-index: 9999;
  left: 1rem; top: -4rem;
  background: #fff; color: #000;
  padding: .8rem 1rem;
  font-weight: 700;
}
.skip-link:focus { top: 1rem }

/* ---------- 2. Header ---------- */
.site-header {
  position: fixed;
  z-index: 1000;
  inset: 0 0 auto 0;
  height: var(--header);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(1.2rem, 4vw, 4.5rem);
  background: linear-gradient(to bottom, rgba(5, 5, 5, .86), rgba(5, 5, 5, .15));
  border-bottom: 1px solid transparent;
  opacity: 0;
  transform: translateY(-14px);
  pointer-events: none;
  transition: opacity .55s var(--ease), transform .55s var(--ease), background .3s, border-color .3s;
}
.site-header.visible { opacity: 1; transform: none; pointer-events: auto }
.site-header.scrolled {
  background: rgba(7, 7, 7, .92);
  backdrop-filter: blur(18px);
  border-color: var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
  font-weight: 750;
  letter-spacing: -.02em;
}
.brand img { width: 48px; height: 48px; object-fit: contain }

.site-nav { display: flex; gap: 2.3rem; font-size: .9rem; color: #d2d2d2 }
.site-nav a { position: relative; transition: color .25s }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -.45rem;
  height: 1px;
  background: var(--orange);
  transition: right .35s var(--ease);
}
.site-nav a:hover, .site-nav a.is-current { color: #fff }
.site-nav a:hover::after, .site-nav a.is-current::after { right: 0 }

.header-cta { justify-self: end }
.menu-toggle { display: none }

/* ---------- 3. Botones ---------- */
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  min-height: 54px;
  padding: 0 1.8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 750;
  cursor: pointer;
  overflow: hidden;
  transition: transform .25s var(--ease), background .25s, border-color .25s, box-shadow .25s, color .25s;
}
.button:hover { transform: translateY(-2px) }
.button:active { transform: translateY(0) }

.button-arrow {
  font-style: normal;
  display: inline-block;
  transition: transform .3s var(--ease);
}
.button:hover .button-arrow { transform: translateX(4px) }

.button-primary {
  background: var(--orange);
  color: #080808;
  box-shadow: 0 0 0 0 rgba(255, 112, 0, .2);
}
.button-primary:hover { background: #ff8124; box-shadow: 0 12px 34px rgba(255, 112, 0, .22) }

.button-ghost {
  border-color: rgba(255, 255, 255, .24);
  background: rgba(0, 0, 0, .2);
  backdrop-filter: blur(10px);
}
.button-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06) }

.button-dark {
  background: #111;
  color: #fff;
  margin-top: 2.2rem;
}
.button-dark:hover { background: #000; box-shadow: 0 14px 34px rgba(0, 0, 0, .25) }

/* ---------- 4. Escena de ensamblaje + hero ---------- */
.assembly {
  height: 260svh;
  position: relative;
  background: #000;
}
.assembly-stage {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  background: #000;
}

.frame-stack,
.assembly-frame,
.cinematic-gradient,
.grain,
.ambient-glow,
.occlusion,
.afterglow,
.sweep-glow { position: absolute; inset: 0 }

.frame-stack {
  transform: scale(var(--stack-scale, 1.02)) translate3d(var(--stack-x, 0), var(--stack-y, 0), 0);
  will-change: transform;
}

.assembly-frame {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  filter: saturate(.9) contrast(1.04) brightness(var(--bright, 1));
  /* Alineación perceptual: los estados intermedios se acercan al encuadre final. */
  transform: translateX(var(--ax, 0)) scale(calc(var(--as, 1) * var(--enter, 1)));
  will-change: transform;
}
.frame-0 { --ax: 1.6%; --as: .968 }
.frame-1 { --ax: 1.25%; --as: .978 }
.frame-2 { --ax: 1%;    --as: .985 }
.frame-3 { --ax: .7%;   --as: .992 }
.frame-4 { --ax: 0;     --as: 1 }

/* Barrido de materialización: borde difuminado en vez de corte duro. */
.frame-1, .frame-2, .frame-3, .frame-4 {
  --m: 0;
  --mask-a: calc(var(--m) * 140% - 34%);
  --mask-b: calc(var(--m) * 140% - 8%);
  -webkit-mask-image: linear-gradient(var(--mask-angle, 100deg), #000 var(--mask-a), transparent var(--mask-b));
  mask-image: linear-gradient(var(--mask-angle, 100deg), #000 var(--mask-a), transparent var(--mask-b));
}
.frame-2, .frame-4 { --mask-angle: 262deg }

.cinematic-gradient {
  z-index: 7;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .95) 0%, rgba(0, 0, 0, .72) 25%, rgba(0, 0, 0, .12) 58%, rgba(0, 0, 0, .02) 100%),
    linear-gradient(0deg, rgba(0, 0, 0, .6), transparent 36%);
}

.grain {
  z-index: 9;
  opacity: .055;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

.ambient-glow {
  z-index: 6;
  background: radial-gradient(circle at 73% 58%, rgba(255, 112, 0, .13), transparent 30%);
  mix-blend-mode: screen;
  animation: breathe 3.5s ease-in-out infinite alternate;
}

/* Oclusión: caída de luz breve en el centro de cada transición. */
.occlusion {
  z-index: 5;
  background: radial-gradient(ellipse 90% 70% at 62% 55%, rgba(0, 0, 0, .35), rgba(0, 0, 0, .95));
  opacity: 0;
  pointer-events: none;
}

/* Luz naranja localizada que acompaña al barrido. */
.sweep-glow {
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  background: radial-gradient(circle 34vw at var(--glow-x, 50%) 58%, rgba(255, 122, 20, .3), transparent 62%);
}

/* Persistencia luminosa tras el barrido. */
.afterglow {
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  background: linear-gradient(100deg, transparent 30%, rgba(255, 154, 60, .14) 55%, transparent 78%);
}

.scan-sweep {
  position: absolute;
  z-index: 8;
  top: -10%; bottom: -10%;
  width: 2px;
  left: -10%;
  opacity: 0;
  background: linear-gradient(180deg, transparent 4%, rgba(255, 154, 60, .75) 26%, #fff5e8 50%, rgba(255, 154, 60, .75) 74%, transparent 96%);
  box-shadow: 0 0 46px 14px rgba(255, 112, 0, .28);
  filter: blur(.4px);
  transform: skewX(-8deg);
  will-change: left, opacity;
}

/* Instrumentación técnica */
.assembly-ui { position: absolute; z-index: 20; inset: 0; pointer-events: none }

.protocol {
  position: absolute;
  left: clamp(1.5rem, 4vw, 5rem);
  top: calc(var(--header) + 2rem);
  margin: 0;
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: .72rem;
  letter-spacing: .2em;
  color: #d8d8d8;
}
.pulse-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 18px var(--orange);
  animation: pulse 1.2s infinite;
}

.stage-meter {
  position: absolute;
  left: clamp(1.5rem, 4vw, 5rem);
  bottom: clamp(2rem, 5vw, 4rem);
  display: grid;
  grid-template-columns: auto minmax(140px, 16vw) auto;
  gap: 1rem;
  align-items: center;
  font: 600 .72rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .14em;
}
.stage-meter > span:first-child { color: var(--orange) }
.stage-meter > span:last-child { color: #d6d6d6 }
.meter-track { display: block; height: 1px; background: rgba(255, 255, 255, .22) }
.meter-track i {
  display: block;
  height: 1px; width: 0;
  background: var(--orange);
  box-shadow: 0 0 10px var(--orange);
}

.scroll-cue {
  position: absolute;
  right: clamp(1.5rem, 4vw, 5rem);
  bottom: clamp(2rem, 5vw, 4rem);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: #a8a8a8;
  font-size: .65rem;
  letter-spacing: .18em;
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.scroll-cue.is-hidden { opacity: 0; transform: translateY(12px) }
.scroll-cue i {
  width: 42px; height: 42px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 50%;
  position: relative;
}
.scroll-cue i::after {
  content: "";
  position: absolute;
  width: 4px; height: 4px;
  border-right: 1px solid #fff;
  border-bottom: 1px solid #fff;
  transform: rotate(45deg);
  left: 18px; top: 16px;
  animation: down 1.5s infinite;
}

/* Hero: mismo frame final, texto por capas */
.hero-content {
  position: absolute;
  z-index: 30;
  left: clamp(1.5rem, 4vw, 5rem);
  top: 50%;
  width: min(600px, 44vw);
  transform: translateY(-42%);
  pointer-events: none;
}
.hero-content > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease-out), transform .7s var(--ease-out);
  transition-delay: 0ms;
}
.hero-content.hero-in { pointer-events: auto }
.hero-content.hero-in > * { opacity: 1; transform: none }
.hero-content.hero-in > [data-layer="1"] { transition-delay: 40ms }
.hero-content.hero-in > [data-layer="2"] { transition-delay: 120ms }
.hero-content.hero-in > [data-layer="3"] { transition-delay: 220ms }
.hero-content.hero-in > [data-layer="4"] { transition-delay: 300ms }
.hero-content.hero-in > [data-layer="5"] { transition-delay: 380ms }

.eyebrow {
  color: var(--orange);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .23em;
  margin: 0 0 1.2rem;
  text-transform: uppercase;
}

.hero-content h1,
.section-heading h2,
.diagnostic h2,
.reservation h2 {
  font-size: clamp(3rem, 5.5vw, 6rem);
  line-height: .97;
  letter-spacing: -.055em;
  margin: 0;
}
.hero-lead {
  font-size: clamp(1rem, 1.25vw, 1.3rem);
  max-width: 560px;
  color: #dcdcdc;
  margin: 1.6rem 0 .45rem;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .7);
}
.coverage { color: #a4a4a4; font-size: .92rem; margin: 0 0 2rem }
.hero-actions { display: flex; gap: .8rem }

.hero-steps {
  position: absolute;
  z-index: 30;
  left: 0; right: 0; bottom: 0;
  min-height: 78px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  padding: 0 clamp(1.5rem, 4vw, 5rem);
  background: linear-gradient(to top, rgba(0, 0, 0, .55), transparent);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.hero-steps.steps-in { opacity: 1; transform: none }
.hero-steps div {
  display: flex;
  gap: 1rem;
  align-items: center;
  font: 600 .72rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-steps b { color: var(--orange) }

.replay-intro {
  position: absolute;
  z-index: 40;
  right: 1.3rem; bottom: 6.2rem;
  border: 1px solid rgba(255, 112, 0, .45);
  color: #ffad68;
  background: rgba(5, 5, 5, .68);
  border-radius: 999px;
  padding: .55rem .9rem;
  font: 600 .65rem ui-monospace, monospace;
  letter-spacing: .08em;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s var(--ease), border-color .25s, color .25s;
}
.replay-intro.visible { opacity: 1; pointer-events: auto }
.replay-intro:hover { border-color: var(--orange); color: #fff }

/* ---------- 5. Franja de confianza ---------- */
.trust-strip {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem clamp(1.2rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.trust-strip div {
  padding: 1rem 2rem;
  border-right: 1px solid var(--line);
  display: grid;
  gap: .25rem;
}
.trust-strip div:last-child { border: 0 }
.trust-strip strong { font-size: .95rem }
.trust-strip span { font-size: .8rem; color: var(--muted) }

/* ---------- 6. Servicios ---------- */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(6rem, 10vw, 11rem) clamp(1.2rem, 4vw, 3rem);
}
.section-heading {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 3rem;
  align-items: end;
  margin-bottom: 4rem;
}
.section-heading .eyebrow { grid-column: 1 / -1 }
.section-heading h2 { font-size: clamp(2.8rem, 5vw, 5.3rem) }
.section-heading > p:last-child { color: var(--muted); max-width: 480px; margin: 0 0 .5rem }

.services-console {
  display: grid;
  grid-template-columns: minmax(270px, 33%) 1fr;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 255, 255, .022), transparent 60%);
}

.services-index {
  position: relative;
  border-right: 1px solid var(--line);
  padding: 1.4rem 0 1.6rem;
  background: rgba(255, 255, 255, .012);
}
.index-label {
  margin: 0 0 .8rem;
  padding: 0 1.5rem;
  font: 700 .64rem ui-monospace, monospace;
  letter-spacing: .28em;
  color: #6d6d6d;
}
.index-marker {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: var(--marker-h, 56px);
  background: var(--orange);
  box-shadow: 0 0 16px rgba(255, 112, 0, .7);
  transform: translateY(var(--marker-y, 0));
  transition: transform .45s var(--ease-out), height .45s var(--ease-out);
}

.service-tab {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  min-height: 58px;
  padding: 1rem 1.5rem;
  background: none;
  border: 0;
  border-top: 1px solid var(--line-soft);
  color: #c9c9c9;
  text-align: left;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s, padding-left .35s var(--ease);
}
.service-tab:first-of-type { border-top: 0 }
.service-tab .tab-num {
  font: 700 .68rem ui-monospace, monospace;
  color: #6f6f6f;
  transition: color .3s;
}
.service-tab .tab-name {
  font-size: 1rem;
  font-weight: 650;
  letter-spacing: -.015em;
}
.tab-chevron {
  width: 14px; height: 14px;
  position: relative;
  opacity: .45;
  transition: opacity .3s, transform .35s var(--ease);
}
.tab-chevron::before, .tab-chevron::after {
  content: "";
  position: absolute;
  background: currentColor;
  left: 1px; right: 1px; top: 6px;
  height: 1px;
}
.tab-chevron::after { transform: rotate(90deg); transition: transform .35s var(--ease) }

.service-tab:hover { background: rgba(255, 255, 255, .035); color: #fff; padding-left: 1.75rem }
.service-tab:hover .tab-num { color: #a5a5a5 }
.service-tab.is-active {
  background: linear-gradient(90deg, rgba(255, 112, 0, .08), transparent 70%);
  color: #fff;
}
.service-tab.is-active .tab-num { color: var(--orange) }
.service-tab.is-active .tab-chevron { opacity: .9 }
.service-tab.is-active .tab-chevron::after { transform: rotate(0deg) }

.services-detail {
  position: sticky;
  top: calc(var(--header) + 1.6rem);
  align-self: start;
  display: flex;
  flex-direction: column;
  padding: clamp(1.8rem, 3.5vw, 3.2rem);
  min-height: 540px;
}

.detail-foot {
  margin-top: auto;
  padding-top: 2.2rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 2.4rem;
  font-size: .78rem;
  color: #8f8f8f;
}
.detail-foot div { display: grid; gap: .25rem }
.detail-foot b {
  color: #d8d8d8;
  font: 700 .64rem ui-monospace, monospace;
  letter-spacing: .18em;
  color: #6f6f6f;
}

.service-panel { position: relative; display: none }
.service-panel.is-open { display: block }
.service-panel[hidden] { display: none }

.panel-ghost {
  position: absolute;
  right: -.2rem; top: -2.4rem;
  font: 800 clamp(5rem, 9vw, 8.5rem)/1 Inter, Arial, sans-serif;
  letter-spacing: -.08em;
  color: rgba(255, 255, 255, .028);
  pointer-events: none;
  user-select: none;
}
.panel-eyebrow {
  margin: 0 0 1.1rem;
  font: 700 .66rem ui-monospace, monospace;
  letter-spacing: .24em;
  color: var(--orange);
}
.service-panel h3 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  line-height: 1.02;
  letter-spacing: -.045em;
}
.panel-lead {
  color: var(--muted);
  max-width: 46ch;
  margin: 1.1rem 0 1.8rem;
}
.service-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  max-width: 52ch;
}
.service-panel li {
  padding: .85rem 0 .85rem 1.6rem;
  border-bottom: 1px solid var(--line-soft);
  color: #cfcfcf;
  font-size: .92rem;
  position: relative;
}
.service-panel li::before {
  content: "";
  position: absolute;
  left: 0; top: 1.25rem;
  width: 8px; height: 1px;
  background: var(--orange);
}
.panel-cta {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  margin-top: 2rem;
  padding: .85rem 1.4rem;
  border: 1px solid rgba(255, 112, 0, .45);
  border-radius: 999px;
  color: #ffb673;
  font-size: .85rem;
  font-weight: 700;
  transition: background .25s, color .25s, border-color .25s, transform .25s var(--ease);
}
.panel-cta i { font-style: normal; transition: transform .3s var(--ease) }
.panel-cta:hover { background: var(--orange); color: #0a0a0a; border-color: var(--orange); transform: translateY(-2px) }
.panel-cta:hover i { transform: translateX(4px) }

/* Animación de apertura del panel */
.service-panel.is-open > * { animation: panel-in .5s var(--ease-out) both }
.service-panel.is-open > .panel-eyebrow { animation-delay: 20ms }
.service-panel.is-open > h3 { animation-delay: 60ms }
.service-panel.is-open > .panel-lead { animation-delay: 110ms }
.service-panel.is-open > ul { animation-delay: 160ms }
.service-panel.is-open > .panel-cta { animation-delay: 210ms }
.service-panel.is-open > .panel-ghost { animation: none }

/* ---------- 7. Diagnóstico ---------- */
.diagnostic {
  background: #efebe4;
  color: #111;
  padding: clamp(6rem, 10vw, 10rem) max(1.2rem, calc((100vw - var(--max)) / 2 + 3rem));
}
.diagnostic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
  align-items: center;
  gap: 3rem;
}
.diagnostic .eyebrow { color: #c45100 }
.diagnostic h2 { font-size: clamp(3rem, 5vw, 5.3rem) }
.diagnostic-copy > p:not(.eyebrow, .price-note, .price) { max-width: 580px; color: #555 }

.price {
  display: flex;
  align-items: flex-start;
  margin: 2.5rem 0 .5rem;
}
.price span { font-size: 2rem }
.price strong {
  font-size: clamp(5rem, 9vw, 9rem);
  line-height: .8;
  letter-spacing: -.08em;
  font-variant-numeric: tabular-nums;
}
.price small { align-self: flex-end; margin: 0 0 .35rem .9rem; font-weight: 800 }

.price-rule {
  display: block;
  height: 2px;
  width: 0;
  max-width: 420px;
  background: linear-gradient(90deg, #c45100, rgba(196, 81, 0, 0));
  margin: 1.6rem 0;
  transition: width 1.1s var(--ease-out) .15s;
}
.reveal.visible .price-rule,
.diagnostic-copy.visible .price-rule { width: 100% }

.price-note { font-weight: 750 }

.scanner-visual {
  height: 520px;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.scanner-ring {
  position: absolute;
  border: 1px solid rgba(20, 20, 20, .22);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}
.ring-1 { width: 420px; height: 420px; border-style: dashed }
.ring-2 { width: 300px; height: 300px; animation-direction: reverse; animation-duration: 12s }
.ring-3 { width: 180px; height: 180px; border-color: #e66b11 }
.scanner-core {
  width: 130px; height: 130px;
  border-radius: 50%;
  background: #111;
  color: #fff;
  display: grid;
  place-content: center;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .28);
}
.scanner-core span { font-size: .65rem; letter-spacing: .2em; color: var(--orange) }
.scanner-core strong { font-size: 1.8rem }
.scanner-line {
  position: absolute;
  width: 2px; height: 50%;
  top: 0;
  background: linear-gradient(transparent, var(--orange), transparent);
  transform-origin: bottom;
  animation: scan 3.4s ease-in-out infinite;
}

/* ---------- 8. Operaciones ---------- */
.operations-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr .8fr;
  border: 1px solid var(--line);
}
.operations-grid article {
  padding: 2rem;
  min-height: 320px;
  border-right: 1px solid var(--line);
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, .025), transparent);
  transition: background .35s var(--ease), transform .35s var(--ease);
}
.operations-grid article:last-child { border-right: 0 }
.operations-grid article:hover { background: rgba(255, 112, 0, .035) }
.card-index { font: 700 .68rem ui-monospace, monospace; color: var(--orange) }
.operations h3 { font-size: 1.5rem; margin: 3rem 0 1rem }
.operations p { color: var(--muted) }
.location-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem }
.location-list span {
  padding: .55rem .8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .76rem;
  transition: border-color .25s, color .25s;
}
.location-list span:hover { border-color: rgba(255, 112, 0, .55); color: #ffb673 }
.schedule-row {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .85rem;
}
.schedule-row span { color: var(--muted) }
.payment-number {
  display: block;
  font-size: 6rem;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -.08em;
  margin-top: 2rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- 9. Reserva ---------- */
.reservation {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(6rem, 10vw, 11rem) clamp(1.2rem, 4vw, 3rem);
}
.reservation-intro { max-width: 800px; margin-bottom: 4rem }
.reservation h2 { font-size: clamp(3rem, 5vw, 5.3rem) }
.reservation-intro > p:last-child { color: var(--muted); max-width: 680px }

.reservation-layout {
  display: grid;
  grid-template-columns: 1.45fr .55fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.booking-form, .booking-summary { background: var(--panel); padding: clamp(1.5rem, 4vw, 3.5rem) }

.booking-form { position: relative }
.form-progress {
  position: absolute;
  left: 0; top: 0;
  height: 2px;
  width: 100%;
  background: rgba(255, 255, 255, .08);
}
.form-progress i {
  display: block;
  height: 2px;
  width: 0;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 112, 0, .6);
  transition: width .5s var(--ease-out);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem }
.form-grid .wide { grid-column: 1 / -1 }
.booking-form label > span,
.booking-form legend {
  display: block;
  color: #c3c3c3;
  font-size: .75rem;
  font-weight: 750;
  letter-spacing: .05em;
  margin-bottom: .55rem;
}
.booking-form input,
.booking-form textarea {
  width: 100%;
  background: #08090a;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: #fff;
  padding: 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.booking-form input:focus,
.booking-form textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 112, 0, .12);
}
.booking-form input.is-filled,
.booking-form textarea.is-filled { border-color: rgba(255, 112, 0, .34) }
.booking-form input[aria-invalid="true"],
.booking-form textarea[aria-invalid="true"] { border-color: #ff875f }

.booking-form fieldset { border: 0; padding: 0; margin: 2rem 0 }
.service-options { display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem }
.service-options label { position: relative }
.service-options input {
  position: absolute;
  opacity: 0;
  width: 100%; height: 100%;
  margin: 0;
  cursor: pointer;
}
.service-options span {
  display: block !important;
  margin: 0 !important;
  border: 1px solid var(--line);
  padding: .85rem .6rem;
  border-radius: 4px;
  text-align: center;
  font-size: .82rem;
  cursor: pointer;
  transition: border-color .22s, background .22s, color .22s, transform .22s var(--ease);
}
.service-options label:hover span { border-color: rgba(255, 255, 255, .3) }
.service-options input:focus-visible + span { outline: 2px solid var(--orange2); outline-offset: 2px }
.service-options input:checked + span {
  border-color: var(--orange);
  background: rgba(255, 112, 0, .1);
  color: #fff;
  transform: translateY(-2px);
}
.service-options input:checked + span::before {
  content: "✓ ";
  color: var(--orange);
  font-weight: 800;
}

.problem { display: block }
.submit-button { width: 100%; margin-top: 1.2rem; justify-content: space-between }
.privacy-note { font-size: .7rem; color: #8a8a8a }
.form-error { min-height: 1.2rem; color: #ff875f; font-size: .82rem; font-weight: 650 }

.booking-summary { position: relative }
.booking-summary h3 { font-size: 2rem; margin: 0 0 2rem }
.booking-summary dl { margin: 0 }
.booking-summary dl div { padding: 1rem 0; border-bottom: 1px solid var(--line) }
.booking-summary dt {
  font-size: .7rem;
  color: #8a8a8a;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.booking-summary dd { margin: .25rem 0 0; color: #ddd; transition: color .3s }
.booking-summary dd.just-updated { color: var(--orange2) }
.summary-note {
  margin-top: 2.2rem;
  padding: 1.2rem;
  border: 1px solid rgba(255, 112, 0, .3);
  display: grid;
  gap: .25rem;
}
.summary-note span { font-size: .7rem; color: var(--orange); letter-spacing: .1em; text-transform: uppercase }
.summary-note strong { font-size: 2.4rem }
.summary-note small { color: #9a9a9a }

/* ---------- 10. Footer y WhatsApp ---------- */
footer {
  max-width: var(--max);
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 4rem clamp(1.2rem, 4vw, 3rem) 2rem;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 3rem;
  color: #aaa;
}
.footer-brand img { width: 150px; max-height: 90px; object-fit: contain; object-position: left }
.footer-brand p { max-width: 300px }
.footer-brand + div, footer > div:nth-child(3) { display: flex; flex-direction: column; gap: .55rem }
footer h3 { color: #fff; font-size: .85rem; text-transform: uppercase; letter-spacing: .12em }
footer a { transition: color .25s }
footer a:hover { color: var(--orange2) }
.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
}

.whatsapp-float {
  position: fixed;
  z-index: 1100;
  right: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  gap: .7rem;
  background: #25d366;
  color: #07140c;
  border-radius: 999px;
  padding: .8rem 1rem .8rem .8rem;
  font-weight: 800;
  box-shadow: 0 16px 50px rgba(0, 0, 0, .35);
  transition: transform .3s var(--ease), opacity .3s var(--ease), box-shadow .3s;
}
.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid #25d366;
  opacity: 0;
  animation: wa-pulse 2.6s ease-out 1.2s 3;
  pointer-events: none;
}
.whatsapp-float:hover { transform: translateY(-4px) scale(1.02); box-shadow: 0 20px 60px rgba(0, 0, 0, .45) }
.whatsapp-float svg { width: 28px; height: 28px; fill: currentColor; flex: none }
.whatsapp-float.is-tucked { opacity: 0; transform: translateY(120%); pointer-events: none }

.whatsapp-tip {
  position: absolute;
  right: calc(100% + .7rem);
  top: 50%;
  transform: translate(6px, -50%);
  white-space: nowrap;
  background: rgba(8, 8, 8, .94);
  color: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: .5rem .75rem;
  font-size: .74rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s var(--ease);
}
.whatsapp-float:hover .whatsapp-tip,
.whatsapp-float:focus-visible .whatsapp-tip { opacity: 1; transform: translate(0, -50%) }

/* ---------- 11. Motion utilitario ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .85s var(--ease-out), transform .85s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
.js .reveal.visible { opacity: 1; transform: none }

@keyframes pulse { 50% { opacity: .35; transform: scale(.8) } }
@keyframes down {
  0%, 100% { transform: translateY(-3px) rotate(45deg); opacity: .25 }
  50% { transform: translateY(5px) rotate(45deg); opacity: 1 }
}
@keyframes breathe { to { opacity: .65; transform: scale(1.05) } }
@keyframes spin { to { transform: rotate(360deg) } }
@keyframes scan {
  0%, 100% { transform: rotate(-70deg) }
  50% { transform: rotate(70deg) }
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(16px) }
  to { opacity: 1; transform: none }
}
@keyframes wa-pulse {
  0% { opacity: .8; transform: scale(1) }
  70% { opacity: 0; transform: scale(1.28) }
  100% { opacity: 0; transform: scale(1.28) }
}

/* ---------- 12. Responsive ---------- */
@media (max-width: 1080px) {
  .services-console { grid-template-columns: minmax(240px, 38%) 1fr }
  .service-panel h3 { font-size: clamp(1.8rem, 4vw, 2.4rem) }
}

@media (max-width: 900px) {
  :root { --header: 70px }

  .site-header { grid-template-columns: 1fr auto; padding: 0 1rem }
  .brand img { width: 42px; height: 42px }
  .brand span { font-size: .9rem }
  .header-cta { display: none }
  .menu-toggle {
    display: block;
    justify-self: end;
    width: 44px; height: 44px;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: rgba(0, 0, 0, .4);
    position: relative;
    cursor: pointer;
  }
  .menu-bar {
    position: absolute;
    left: 13px; right: 13px;
    height: 1px;
    background: #fff;
    top: 18px;
    transition: transform .25s var(--ease), top .25s var(--ease);
  }
  .menu-bar + .menu-bar { top: 24px }
  .menu-toggle[aria-expanded="true"] .menu-bar { transform: rotate(45deg); top: 21px }
  .menu-toggle[aria-expanded="true"] .menu-bar + .menu-bar { transform: rotate(-45deg); top: 21px }

  .site-nav {
    position: fixed;
    inset: var(--header) 0 auto 0;
    background: #060606;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .6);
    display: grid;
    gap: 0;
    padding: 1rem;
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    border-bottom: 1px solid var(--line);
  }
  .site-nav.open { transform: none }
  .site-nav a { padding: 1.1rem; border-bottom: 1px solid var(--line) }
  .site-nav a::after { display: none }

  .assembly { height: 200svh }
  .assembly-frame { object-position: 66% center }
  .cinematic-gradient {
    background: linear-gradient(0deg, rgba(0, 0, 0, .97) 0%, rgba(0, 0, 0, .82) 28%, rgba(0, 0, 0, .05) 70%);
  }
  .protocol { top: calc(var(--header) + 1rem); left: 1rem }
  .stage-meter { left: 1rem; bottom: 1.25rem; grid-template-columns: auto 90px auto }
  /* Se mantiene por encima de la burbuja flotante de WhatsApp. */
  .scroll-cue { right: 1rem; bottom: 6rem; gap: .7rem }
  .scroll-cue i { width: 34px; height: 34px }
  .scroll-cue i::after { left: 14px; top: 12px }

  .hero-content {
    left: 1.1rem; right: 1.1rem;
    top: auto; bottom: 6.5rem;
    width: auto;
    transform: none;
  }
  .hero-content h1 { font-size: clamp(2.8rem, 12vw, 4.2rem) }
  .hero-lead { font-size: .98rem; max-width: 480px; margin: 1rem 0 .35rem }
  .coverage { font-size: .78rem; margin-bottom: 1.2rem }
  .hero-actions .button { min-height: 48px; padding: 0 1.25rem }
  .hero-steps { display: none }
  .replay-intro { bottom: 1rem; right: 1rem }

  .trust-strip, .section-heading, .diagnostic-grid, .operations-grid, .reservation-layout {
    grid-template-columns: 1fr;
  }
  .trust-strip { padding: 1rem }
  .trust-strip div { border-right: 0; border-bottom: 1px solid var(--line); padding: 1rem }
  .trust-strip div:last-child { border-bottom: 0 }
  .section-heading { gap: 1.5rem }

  /* Servicios como acordeón: los paneles se reubican bajo su botón vía JS. */
  .services-console { grid-template-columns: 1fr; display: block }
  .services-index { border-right: 0; padding: 0 }
  .index-label, .index-marker { display: none }
  .service-tab { padding: 1.15rem 1.1rem; min-height: 64px }
  .service-tab:hover { padding-left: 1.1rem }
  .service-tab.is-active { background: rgba(255, 112, 0, .07) }
  .services-detail { position: static; padding: 0; min-height: 0; display: block }
  .detail-foot { padding: 1.6rem 1.1rem; gap: 1.2rem; border-top: 1px solid var(--line-soft) }
  .service-panel.is-open {
    padding: .4rem 1.1rem 1.8rem;
    border-bottom: 1px solid var(--line-soft);
    background: rgba(255, 255, 255, .015);
  }
  .service-panel.is-open > * { animation-duration: .35s }
  .panel-ghost { display: none }
  .panel-eyebrow { display: none }
  .service-panel h3 { font-size: 1.5rem }
  .panel-lead { margin: .6rem 0 1.1rem; font-size: .92rem }

  .diagnostic-grid { min-height: auto }
  .scanner-visual { height: 400px }
  .operations-grid article { border-right: 0; border-bottom: 1px solid var(--line) }
  .operations-grid article:last-child { border-bottom: 0 }
  .reservation-layout { background: transparent; border: 0; gap: 1rem }
  .booking-form, .booking-summary { border: 1px solid var(--line) }
  .service-options { grid-template-columns: repeat(2, 1fr) }
  footer { grid-template-columns: 1fr 1fr }
  .footer-brand { grid-column: 1 / -1 }
}

@media (max-width: 560px) {
  .form-grid { grid-template-columns: 1fr }
  .form-grid .wide { grid-column: auto }
  .hero-actions { flex-direction: column; align-items: stretch; max-width: 320px }
  .hero-actions .button { width: 100% }
  .scanner-ring.ring-1 { width: 320px; height: 320px }
  .ring-2 { width: 230px; height: 230px }
  .operations-grid article { min-height: auto }
  .reservation { padding-left: 1rem; padding-right: 1rem }
  .booking-form, .booking-summary { padding: 1.25rem }
  .booking-form { padding-bottom: 5.5rem }
  .whatsapp-label, .whatsapp-tip { display: none }
  .whatsapp-float { width: 56px; height: 56px; padding: 0; justify-content: center; right: 1rem }
  footer { grid-template-columns: 1fr }
  .footer-brand { grid-column: auto }
  .footer-bottom { flex-direction: column; gap: .5rem }
}

/* ---------- 13. Intro omitida / reduced motion ---------- */
/* Aplicado antes del primer pintado: sin parpadeo ni layout shift. */
.intro-skip .assembly { height: 100svh }
.intro-skip .frame-0,
.intro-skip .frame-1,
.intro-skip .frame-2,
.intro-skip .frame-3 { display: none }
.intro-skip .frame-4 {
  -webkit-mask-image: none;
  mask-image: none;
  --enter: 1;
}
.intro-skip .assembly-ui { display: none }
.intro-skip .occlusion,
.intro-skip .scan-sweep,
.intro-skip .sweep-glow,
.intro-skip .afterglow { display: none }
.intro-skip .site-header { opacity: 1; transform: none; pointer-events: auto }
.intro-skip .hero-content { pointer-events: auto }
.intro-skip .hero-content > * { opacity: 1; transform: none; transition-delay: 0ms }
.intro-skip .hero-steps { opacity: 1; transform: none }
/* En la segunda visita la intro se puede volver a lanzar a voluntad. */
.intro-skip .replay-intro { opacity: 1; pointer-events: auto }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 180ms !important;
    scroll-behavior: auto !important;
  }
  .assembly { height: 100svh }
  .frame-0, .frame-1, .frame-2, .frame-3 { display: none }
  .frame-4 { -webkit-mask-image: none; mask-image: none }
  .assembly-ui, .replay-intro { display: none }
  .hero-content, .hero-content > *, .hero-steps, .site-header {
    opacity: 1 !important;
    transform: none !important;
    pointer-events: auto !important;
  }
  .js .reveal { opacity: 1; transform: none }
  .service-panel.is-open > * { animation: none }
}

/* Sin JavaScript: todo el contenido permanece visible y utilizable. */
html:not(.js) .site-header { opacity: 1; transform: none; pointer-events: auto }
html:not(.js) .assembly { height: 100svh }
html:not(.js) .frame-0, html:not(.js) .frame-1,
html:not(.js) .frame-2, html:not(.js) .frame-3 { display: none }
html:not(.js) .frame-4 { -webkit-mask-image: none; mask-image: none }
html:not(.js) .assembly-ui, html:not(.js) .replay-intro { display: none }
html:not(.js) .hero-content > * { opacity: 1; transform: none }
html:not(.js) .hero-steps { opacity: 1; transform: none }