/* ============================================================
   ADVANCED SOLUTION — Radiant/Ori design system
   Dark infrastructure-at-night: void black, bone white,
   one ember orange. 0px radius everywhere. Hairline borders.
   ============================================================ */

:root {
  /* Colors */
  --color-ember-orange: #ff4f2b;
  --color-void-black: #000000;
  --color-carbon: #1a1a1a;
  --color-graphite-border: #3c3c3c;
  --color-steel-mid: #737373;
  --color-fog-light: #bfbfbf;
  --color-bone-white: #f5f5f5;

  /* Font families (TWK Everett / Switzer substituted by Inter) */
  --font-display: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Chivo Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Type scale */
  --text-caption: 14px;   --leading-caption: 1.2;  --tracking-caption: 0px;
  --text-body: 16px;      --leading-body: 1.4;     --tracking-body: 0px;
  --text-subheading: 18px;--leading-subheading: 1.4;
  --text-heading-sm: 24px;--leading-heading-sm: 1.3; --tracking-heading-sm: -0.26px;
  --text-heading: 36px;   --leading-heading: 1.2;  --tracking-heading: -0.4px;
  --text-heading-lg: 48px;--leading-heading-lg: 1.1; --tracking-heading-lg: -0.53px;
  --text-display: 72px;   --leading-display: 1;    --tracking-display: -0.79px;
  --text-display-lg: 96px;--leading-display-lg: 0.95; --tracking-display-lg: -1.06px;

  /* Weights */
  --font-weight-light: 300;
  --font-weight-regular: 400;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-4: 4px;  --spacing-8: 8px;   --spacing-16: 16px; --spacing-20: 20px;
  --spacing-24: 24px;--spacing-32: 32px; --spacing-40: 40px; --spacing-48: 48px;
  --spacing-56: 56px;--spacing-80: 80px; --spacing-92: 92px; --spacing-180: 180px;

  /* Layout */
  --page-max-width: 1280px;
  --gutter: 40px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

html, body { overflow-x: clip; }

body {
  background: var(--color-void-black);
  color: var(--color-bone-white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--color-ember-orange); color: var(--color-void-black); }

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

/* Focus: border/underline color shift, never a soft ring */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 1px solid var(--color-ember-orange);
  outline-offset: 0;
}

/* ============================================================
   ANNOUNCEMENT BAR
   ============================================================ */
.announcement {
  background: var(--color-carbon);
  color: var(--color-bone-white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: center;
  padding: var(--spacing-8) var(--spacing-16);
}

.announcement a { color: var(--color-ember-orange); }
.announcement a:hover { text-decoration: underline; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
  padding: var(--spacing-20) var(--gutter);
  background: var(--color-void-black);
  border-bottom: 1px solid var(--color-graphite-border);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.nav__brand-mark {
  height: 34px;
  width: auto;
  transition: transform 250ms cubic-bezier(0.22, 1, 0.36, 1);
}

.nav__brand:hover .nav__brand-mark { transform: rotate(-6deg) scale(1.08); }

.nav__brand:hover { color: var(--color-ember-orange); }

.nav__links {
  display: flex;
  gap: var(--spacing-24);
}

.nav__links a {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-bone-white);
  padding: var(--spacing-4) 0;
  border-bottom: 1px solid transparent;
}

.nav__links a:hover {
  color: var(--color-ember-orange);
  border-bottom-color: var(--color-ember-orange);
}

.nav__actions { display: flex; gap: var(--spacing-16); align-items: center; }

/* Selector de idioma ES | EN */
.lang {
  display: flex;
  border: 1px solid var(--color-graphite-border);
}

.lang__opt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 6px 10px;
  color: var(--color-steel-mid);
  transition: color 120ms linear, background-color 120ms linear;
}

.lang__opt--active {
  background: var(--color-bone-white);
  color: var(--color-void-black);
}

a.lang__opt:hover {
  color: var(--color-void-black);
  background: var(--color-ember-orange);
}

.nav__lang-mobile { color: var(--color-ember-orange) !important; }

@media (min-width: 821px) {
  .nav__lang-mobile { display: none; }
}

.nav__toggle {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  background: transparent;
  color: var(--color-bone-white);
  border: 1px solid var(--color-bone-white);
  padding: var(--spacing-8) var(--spacing-16);
  cursor: pointer;
}

/* ============================================================
   BUTTONS — rectangular, terminal feel
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-regular);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: var(--spacing-8) var(--spacing-16);
  border-radius: 0;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 120ms linear, color 120ms linear, border-color 120ms linear;
}

.btn--filled {
  background: var(--color-ember-orange);
  color: var(--color-void-black);
}

.btn--filled:hover {
  background: var(--color-bone-white);
  color: var(--color-void-black);
}

.btn--ghost {
  background: transparent;
  color: var(--color-bone-white);
  border-color: var(--color-bone-white);
}

.btn--ghost:hover {
  background: var(--color-bone-white);
  color: var(--color-void-black);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-180) var(--gutter) var(--spacing-92);
}

/* Full-bleed dark photographic backdrop with heavy overlay */
.hero__bg {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  overflow: hidden;
  z-index: -1;
}

.hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.15) brightness(1.05);
  opacity: 0.6;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse 58% 60% at 44% 42%,
      rgba(0, 0, 0, 0.92) 0%,
      rgba(0, 0, 0, 0.75) 40%,
      rgba(0, 0, 0, 0.3) 68%,
      rgba(0, 0, 0, 0) 100%
    ),
    linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.45) 0%,
      rgba(0, 0, 0, 0.2) 40%,
      rgba(0, 0, 0, 0.75) 80%,
      var(--color-void-black) 100%
    );
}

/* ------------------------------------------------------------
   Isotipo animado del hero: la red se dibuja, la señal enciende
   el nodo maestro y el anillo queda pulsando como un radar.
   ------------------------------------------------------------ */
.hero__logo {
  position: absolute;
  right: 4%;
  top: 50%;
  width: clamp(280px, 26vw, 460px);
  transform: translateY(-58%);
  pointer-events: none;
}

@media (max-width: 1180px) {
  .hero__logo { display: none; }
}

@media (prefers-reduced-motion: no-preference) {
  /* flotación permanente de toda la marca */
  @keyframes markFloat {
    0%, 100% { transform: translateY(-58%); }
    50%      { transform: translateY(-54%); }
  }

  .hero__logo {
    animation: markFloat 9s ease-in-out 4s infinite;
  }

  /* las conexiones se dibujan trazo a trazo */
  .hl-line {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: drawLine 600ms cubic-bezier(0.65, 0, 0.35, 1) forwards;
    animation-delay: calc(1000ms + var(--i) * 140ms);
  }

  @keyframes drawLine {
    to { stroke-dashoffset: 0; }
  }

  /* los nodos aparecen en secuencia */
  .hl-node {
    transform-box: fill-box;
    transform-origin: center;
    transform: scale(0);
    animation: popNode 450ms cubic-bezier(0.22, 1.4, 0.36, 1) forwards;
    animation-delay: calc(1150ms + var(--i) * 140ms);
  }

  @keyframes popNode {
    to { transform: scale(1); }
  }

  /* el nodo maestro enciende con un pop más marcado */
  .hl-master {
    animation-duration: 600ms;
  }

  /* anillo base: aparece con el maestro */
  .hl-ring {
    opacity: 0;
    animation: ringIn 500ms linear forwards;
    animation-delay: 2450ms;
  }

  @keyframes ringIn {
    to { opacity: 1; }
  }

  /* pulso radar infinito */
  .hl-pulse {
    transform-box: fill-box;
    transform-origin: center;
    opacity: 0;
    animation: radarPulse 3s cubic-bezier(0.22, 1, 0.36, 1) 2800ms infinite;
  }

  @keyframes radarPulse {
    0%   { transform: scale(1); opacity: 0.8; }
    70%  { transform: scale(1.6); opacity: 0; }
    100% { transform: scale(1.6); opacity: 0; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .hl-pulse { display: none; }
}

.hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.1em;
  color: var(--color-steel-mid);
  margin-bottom: var(--spacing-32);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-light);
  font-size: clamp(48px, 8vw, var(--text-display-lg));
  line-height: var(--leading-display-lg);
  letter-spacing: var(--tracking-display-lg);
  margin-bottom: var(--spacing-32);
}

.hero__title em {
  font-style: normal;
  color: var(--color-ember-orange);
}

.hero__sub {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  color: var(--color-fog-light);
  max-width: 540px;
  margin-bottom: var(--spacing-40);
}

.hero__cta { display: flex; gap: var(--spacing-16); flex-wrap: wrap; }

/* Highlights strip — terminal readout cells with hairline dividers */
.hero__grid {
  margin-top: var(--spacing-92);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-graphite-border);
}

.hero__cell {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  padding: var(--spacing-24);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  line-height: 1.4;
  letter-spacing: 0.04em;
  border-right: 1px solid var(--color-graphite-border);
  transition: background-color 120ms linear;
}

.hero__cell:last-child { border-right: none; }

.hero__cell:hover { background: var(--color-carbon); }

.hero__num { color: var(--color-ember-orange); }

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  padding: var(--spacing-92) var(--gutter);
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-24);
  margin-bottom: var(--spacing-48);
}

.section__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-light);
  font-size: clamp(36px, 5vw, 60px);
  line-height: var(--leading-heading-lg);
  letter-spacing: var(--tracking-heading-lg);
}

.section__counter {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--color-bone-white);
}

.section__counter::before { content: '/ '; color: var(--color-ember-orange); }

.section__intro {
  font-size: var(--text-subheading);
  line-height: var(--leading-subheading);
  color: var(--color-fog-light);
  max-width: 640px;
  margin-bottom: var(--spacing-56);
}

/* ============================================================
   SERVICES — 3x3 grid, hairline-divided panel, 3D interaction
   ============================================================ */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-graphite-border);
  border-left: 1px solid var(--color-graphite-border);
  perspective: 1200px;
}

.service {
  position: relative;
  overflow: hidden;
  border-right: 1px solid var(--color-graphite-border);
  border-bottom: 1px solid var(--color-graphite-border);
  padding: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  cursor: pointer;
  background: var(--color-void-black);
  transform-style: preserve-3d;
  transition: background-color 120ms linear, transform 200ms ease;
  will-change: transform;
}

.service:hover { background: var(--color-carbon); z-index: 1; }

/* Barra de encendido: hairline naranja que crece desde arriba */
.service::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-ember-orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service:hover::before,
.service--active::before { transform: scaleY(1); }

/* Obturador: franja naranja sólida que barre la tarjeta al elegirla */
.service::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-ember-orange);
  transform: translateX(-103%);
  pointer-events: none;
}

.service__id {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-ember-orange);
  align-self: flex-start;
  padding: 2px 8px;
  margin: -2px 0 0 -8px;
  transition: background-color 150ms linear, color 150ms linear;
}

.service:hover .service__id,
.service--active .service__id {
  background: var(--color-ember-orange);
  color: var(--color-void-black);
}

.service h3 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-regular);
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  letter-spacing: var(--tracking-heading-sm);
  transition: transform 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service:hover h3 { transform: translateX(6px); }

.service p:not(.service__brands) { transition: color 150ms linear; }

.service:hover p:not(.service__brands) { color: var(--color-bone-white); }

.service__brands {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-steel-mid) !important;
}

.service p {
  font-size: var(--text-caption);
  line-height: 1.5;
  color: var(--color-fog-light);
}

.service__more {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-steel-mid);
  transition: color 120ms linear;
}

.service:hover .service__more { color: var(--color-ember-orange); }

/* Estado activo: la tarjeta queda "encendida" */
.service--active {
  background: var(--color-carbon);
  box-shadow: inset 0 0 0 1px var(--color-ember-orange);
}

.service--active .service__more { color: var(--color-ember-orange); }

.service--active .service__more::after { content: ' [ABIERTO]'; }

/* Pulso 3D al hacer click */
@keyframes press3d {
  0%   { transform: perspective(700px) rotateX(0) scale(1); }
  35%  { transform: perspective(700px) rotateX(7deg) rotateY(-4deg) scale(0.965); }
  100% { transform: perspective(700px) rotateX(0) scale(1); }
}

.service--press { animation: press3d 380ms cubic-bezier(0.22, 1, 0.36, 1); }

/* Barrido del obturador al elegir un servicio */
@keyframes shutterWipe {
  from { transform: translateX(-103%); }
  to   { transform: translateX(103%); }
}

@media (prefers-reduced-motion: no-preference) {
  .service--press::after {
    animation: shutterWipe 480ms cubic-bezier(0.65, 0, 0.35, 1);
  }
}

/* ============================================================
   DETAIL PANEL — expands below the grid with 3D entrance
   ============================================================ */
.detail {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 450ms cubic-bezier(0.22, 1, 0.36, 1);
  perspective: 1000px;
}

.detail--open { grid-template-rows: 1fr; }

.detail__inner { overflow: hidden; }

.detail__content {
  display: grid;
  grid-template-columns: 4fr 4fr 4fr;
  gap: var(--spacing-40);
  border: 1px solid var(--color-ember-orange);
  border-top: none;
  padding: var(--spacing-40);
  background: var(--color-carbon);
  opacity: 0;
  transform: rotateX(-7deg) translateY(-16px);
  transform-origin: top center;
  transition: opacity 500ms cubic-bezier(0.22, 1, 0.36, 1) 120ms,
              transform 500ms cubic-bezier(0.22, 1, 0.36, 1) 120ms;
}

.detail--open .detail__content {
  opacity: 1;
  transform: none;
}

/* Imagen de referencia del servicio */
.detail__media {
  overflow: hidden;
  border: 1px solid var(--color-graphite-border);
  min-height: 240px;
}

.detail__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08);
  transition: filter 300ms linear;
}

.detail__media:hover img { filter: grayscale(0.3) contrast(1.08); }

@media (prefers-reduced-motion: no-preference) {
  @keyframes mediaReveal {
    from { transform: scale(1.1); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
  }

  .detail--open .detail__media img {
    animation: mediaReveal 900ms cubic-bezier(0.22, 1, 0.36, 1) 150ms both;
  }
}

.detail__id {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-ember-orange);
  margin-bottom: var(--spacing-16);
}

.detail__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-light);
  font-size: clamp(28px, 3.5vw, var(--text-heading));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin-bottom: var(--spacing-16);
}

.detail__intro {
  color: var(--color-fog-light);
  margin-bottom: var(--spacing-24);
}

.detail__brands {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-8);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-bone-white);
  border: 1px solid var(--color-graphite-border);
  padding: 6px 12px;
  transition: border-color 120ms linear;
}

.chip:hover { border-color: var(--color-ember-orange); }

.chip img {
  height: 16px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
}

.detail__list {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.detail__list li {
  display: flex;
  gap: var(--spacing-16);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-graphite-border);
  font-size: var(--text-caption);
  color: var(--color-fog-light);
}

.detail__list li span { color: var(--color-ember-orange); }

.detail--open .detail__list li {
  animation: rise 500ms cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--d, 0ms);
}

.detail__tagline {
  margin-top: var(--spacing-24);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-ember-orange);
}

/* ============================================================
   FULL-BLEED STATEMENT BAND — the one orange interruption
   ============================================================ */
.statement {
  position: relative;
  overflow: hidden;
  background: var(--color-void-black);
  padding: var(--spacing-80) var(--gutter);
}

/* Brasas: manchas de luz difusa que derivan sobre el negro */
.statement__ember {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-ember-orange) 0%, rgba(255, 79, 43, 0.45) 40%, transparent 70%);
  filter: blur(48px);
  pointer-events: none;
  will-change: transform;
}

.statement__ember--1 {
  width: 480px;
  height: 480px;
  top: -160px;
  left: 8%;
}

.statement__ember--2 {
  width: 380px;
  height: 380px;
  bottom: -140px;
  left: 55%;
  opacity: 0.85;
}

.statement__ember--3 {
  width: 300px;
  height: 300px;
  top: -60px;
  right: 4%;
  opacity: 0.7;
}

/* Resplandor que sigue al cursor */
.statement__ember--cursor {
  width: 340px;
  height: 340px;
  top: 0;
  left: 0;
  margin: -170px 0 0 -170px;
  opacity: 0;
  transform: translate(var(--mx, 50vw), var(--my, 100px));
  transition: opacity 400ms linear, transform 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

.statement:hover .statement__ember--cursor { opacity: 0.9; }

@media (prefers-reduced-motion: no-preference) {
  @keyframes emberDrift1 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(38vw, 40px) scale(1.25); }
    100% { transform: translate(70vw, -30px) scale(0.9); }
  }

  @keyframes emberDrift2 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-30vw, -50px) scale(1.35); }
    100% { transform: translate(10vw, 20px) scale(1); }
  }

  @keyframes emberDrift3 {
    0%   { transform: translate(0, 0) scale(1); }
    50%  { transform: translate(-18vw, 70px) scale(1.2); }
    100% { transform: translate(-38vw, -20px) scale(0.85); }
  }

  .statement__ember--1 { animation: emberDrift1 16s ease-in-out infinite alternate; }
  .statement__ember--2 { animation: emberDrift2 13s ease-in-out infinite alternate; }
  .statement__ember--3 { animation: emberDrift3 19s ease-in-out infinite alternate; }
}

@media (prefers-reduced-motion: reduce) {
  .statement__ember--cursor { display: none; }
}

.statement p {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-display);
  font-weight: var(--font-weight-regular);
  font-size: clamp(24px, 3.5vw, var(--text-heading-lg));
  line-height: 1.2;
  letter-spacing: var(--tracking-heading);
  color: var(--color-bone-white);
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-40);
  margin-bottom: var(--spacing-80);
}

.about__block {
  border-top: 1px solid var(--color-graphite-border);
  padding-top: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.about__block p { color: var(--color-fog-light); }

.about__label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  color: var(--color-bone-white) !important;
}

.about__label::before { content: '// '; color: var(--color-ember-orange); }

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--color-graphite-border);
  border-left: 1px solid var(--color-graphite-border);
}

.value {
  border-right: 1px solid var(--color-graphite-border);
  border-bottom: 1px solid var(--color-graphite-border);
  padding: var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
}

.value p { font-size: var(--text-caption); line-height: 1.5; color: var(--color-fog-light); }

.value__label {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-bone-white) !important;
}

/* ============================================================
   TECH STACK — terminal readout wall
   ============================================================ */
.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--color-graphite-border);
}

.stack span {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-fog-light);
  padding: var(--spacing-16) var(--spacing-24);
  border-right: 1px solid var(--color-graphite-border);
  border-bottom: 1px solid var(--color-graphite-border);
  flex: 1 0 auto;
  text-align: center;
  transition: color 120ms linear, background-color 120ms linear;
}

.stack span:hover {
  color: var(--color-void-black);
  background: var(--color-ember-orange);
}

.stack__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.stack__item img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.75;
  transition: filter 120ms linear, opacity 120ms linear;
}

.stack__item:hover img {
  filter: brightness(0);
  opacity: 1;
}

/* ============================================================
   CASE STUDY
   ============================================================ */
.case {
  border: 1px solid var(--color-graphite-border);
  display: grid;
  grid-template-columns: 5fr 7fr;
}

.case__media {
  border-right: 1px solid var(--color-graphite-border);
  overflow: hidden;
}

.case__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter 300ms linear;
}

.case:hover .case__media img { filter: grayscale(0.4) contrast(1.05); }

.case__content {
  padding: var(--spacing-40);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

.case__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-24);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-steel-mid);
}

.case__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-regular);
  font-size: clamp(24px, 3vw, var(--text-heading));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.case__body { color: var(--color-fog-light); max-width: 760px; }

.case__link {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-ember-orange);
}

.case__link:hover { text-decoration: underline; }

/* ============================================================
   NEWS / PUBLICATION CARDS — 4-up grid
   ============================================================ */
.news {
  margin-top: var(--spacing-48);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-24);
}

.news-card {
  background: var(--color-void-black);
  border: 1px solid var(--color-graphite-border);
  display: flex;
  flex-direction: column;
  transition: border-color 150ms linear;
}

.news-card:hover { border-color: var(--color-fog-light); }

.news-card__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--color-graphite-border);
}

.news-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: filter 300ms linear, transform 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

.news-card:hover .news-card__media img {
  filter: grayscale(0.3) contrast(1.05);
  transform: scale(1.03);
}

.news-card__body {
  padding: var(--spacing-20) var(--spacing-24) var(--spacing-24);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  flex: 1;
}

.news-card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-steel-mid);
}

.news-card h3 {
  font-family: var(--font-display);
  font-weight: var(--font-weight-regular);
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.2px;
}

.news-card__excerpt {
  font-size: var(--text-caption);
  line-height: 1.5;
  color: var(--color-fog-light);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__link {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.06em;
  color: var(--color-ember-orange);
}

.news-card__link:hover { text-decoration: underline; }

/* Clients */
.clients { margin-top: var(--spacing-80); }

.clients__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--color-steel-mid);
  margin-bottom: var(--spacing-24);
}

.clients__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-16) var(--spacing-48);
}

.clients__list span {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--color-bone-white);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-80);
  align-items: start;
}

.contact__info { display: flex; flex-direction: column; gap: var(--spacing-8); align-items: flex-start; }

.contact__form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

.contact__form label {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--color-bone-white);
}

.contact__form input,
.contact__form textarea {
  background: var(--color-carbon);
  border: 1px solid var(--color-graphite-border);
  border-radius: 0;
  color: var(--color-bone-white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: 12px var(--spacing-16);
  resize: vertical;
}

.contact__form input::placeholder,
.contact__form textarea::placeholder { color: var(--color-steel-mid); }

.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--color-ember-orange);
}

.contact__form .btn { align-self: flex-start; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--color-graphite-border);
  padding: var(--spacing-56) var(--gutter) var(--spacing-40);
}

.footer__cols {
  max-width: var(--page-max-width);
  margin: 0 auto var(--spacing-48);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-40);
}

.footer__mark {
  height: 56px;
  width: auto;
  margin-bottom: var(--spacing-16);
}

.footer__brand {
  font-family: var(--font-mono);
  font-size: 16px;
  margin-bottom: var(--spacing-8);
}

.footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}

.footer__nav a {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-bone-white);
}

.footer__nav a:hover { color: var(--color-ember-orange); }

.footer__muted {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--color-steel-mid);
}

.footer__copy {
  max-width: var(--page-max-width);
  margin: 0 auto;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services { grid-template-columns: repeat(2, 1fr); }
  .news { grid-template-columns: repeat(2, 1fr); }
  .hero__grid { grid-template-columns: repeat(2, 1fr); }
  .hero__cell:nth-child(2n) { border-right: none; }
  .hero__cell:nth-child(-n+2) { border-bottom: 1px solid var(--color-graphite-border); }
}

@media (max-width: 820px) {
  :root { --gutter: 20px; }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--color-void-black);
    border-bottom: 1px solid var(--color-graphite-border);
  }

  .nav__links--open { display: flex; }

  .nav__links a {
    padding: var(--spacing-16) var(--gutter);
    border-bottom: 1px solid var(--color-graphite-border);
  }

  .nav__links a:last-child { border-bottom: none; }

  .nav__actions { display: none; }
  .nav__toggle { display: block; }

  .hero { padding-top: var(--spacing-80); padding-bottom: var(--spacing-56); }
  .hero__grid { margin-top: var(--spacing-56); }
  .section { padding-top: var(--spacing-56); padding-bottom: var(--spacing-56); }

  .about, .contact { grid-template-columns: 1fr; gap: var(--spacing-40); }
  .values { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: 1fr; }

  .case { grid-template-columns: 1fr; }
  .case__media { border-right: none; border-bottom: 1px solid var(--color-graphite-border); max-height: 260px; }
  .case__content { padding: var(--spacing-24); }
}

@media (max-width: 1024px) {
  .detail__content { grid-template-columns: 1fr 1fr; }
  .detail__media { grid-column: 1 / -1; max-height: 240px; }
}

@media (max-width: 820px) {
  .detail__content { grid-template-columns: 1fr; gap: var(--spacing-24); padding: var(--spacing-24); }
}

@media (max-width: 560px) {
  .services, .hero__grid, .news { grid-template-columns: 1fr; }
  .hero__cell { border-right: none; border-bottom: 1px solid var(--color-graphite-border); }
  .hero__cell:last-child { border-bottom: none; }
  .stack span { flex-basis: 50%; }
}

/* ============================================================
   MOTION — restrained, architectural. Everything eases like
   a machine powering on: opacity + short vertical travel.
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {

  /* --- Scroll reveal (staggered via --d set from JS) --- */
  .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 600ms cubic-bezier(0.22, 1, 0.36, 1),
                transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--d, 0ms);
  }
  .reveal.reveal--in {
    opacity: 1;
    transform: none;
  }

  /* --- Hero power-on sequence --- */
  @keyframes rise {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: none; }
  }

  /* La foto del datacenter "aterriza" con un zoom-out cinematográfico */
  @keyframes bgZoom {
    from { transform: scale(1.08); opacity: 0; }
    35%  { opacity: 0.6; }
    to   { transform: scale(1); opacity: 0.6; }
  }

  .hero__bg img {
    animation: bgZoom 3000ms cubic-bezier(0.22, 1, 0.36, 1) both;
  }

  .hero__kicker,
  .hero__title,
  .hero__sub,
  .hero__cta {
    opacity: 0;
    animation: rise 700ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .hero__kicker { animation-delay: 100ms; }
  .hero__title  { animation-delay: 250ms; }
  .hero__sub    { animation-delay: 450ms; }
  .hero__cta    { animation-delay: 600ms; }

  /* --- Terminal cursor blink on the kicker --- */
  @keyframes blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

  .hero__kicker::after {
    content: '▌';
    color: var(--color-ember-orange);
    margin-left: var(--spacing-8);
    animation: blink 1.1s steps(1) infinite;
  }

  /* --- Orange accents ignite on hover with a quick pulse --- */
  @keyframes ignite {
    0%   { color: var(--color-bone-white); }
    100% { color: var(--color-ember-orange); }
  }

  .service:hover .service__id { animation: ignite 150ms linear; }

  /* --- Statement band: el texto emerge al entrar en vista --- */
  .statement p {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 700ms cubic-bezier(0.22, 1, 0.36, 1) 150ms,
                transform 700ms cubic-bezier(0.22, 1, 0.36, 1) 150ms;
  }
  .statement.reveal--in p {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .hero__kicker, .hero__title, .hero__sub, .hero__cta, .statement p {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}

/* ============================================================
   CLIENT MARQUEE — infinite system readout
   ============================================================ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--color-graphite-border);
  border-bottom: 1px solid var(--color-graphite-border);
  padding: var(--spacing-20) 0;
  position: relative;
}

.marquee__track {
  display: flex;
  gap: var(--spacing-80);
  width: max-content;
  animation: marquee 32s linear infinite;
}

.marquee:hover .marquee__track { animation-play-state: paused; }

.marquee__track span {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--color-bone-white);
  white-space: nowrap;
}

.marquee__track span::before {
  content: '● ';
  color: var(--color-ember-orange);
  font-size: 10px;
  vertical-align: 2px;
}

.marquee__track { align-items: center; }

.marquee__track img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.7;
  transition: opacity 120ms linear;
}

.marquee__track img:hover { opacity: 1; }

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}

/* ============================================================
   DEMO CINEMATOGRÁFICA — consola de monitoreo (S/01)
   Coreografía de 10s: todas las animaciones duran 10s y usan
   porcentajes como marcas de tiempo (10% = 1 segundo).
   ============================================================ */

.demo {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-24);
  background: rgba(0, 0, 0, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity 320ms linear, visibility 0s linear 320ms;
}

.demo--open {
  opacity: 1;
  visibility: visible;
  transition: opacity 320ms linear, visibility 0s;
}

/* ---------- consola ---------- */
.demo__console {
  position: relative;
  width: 100%;
  max-width: 1120px;
  border: 1px solid var(--color-graphite-border);
  background: var(--color-void-black);
  transform: scale(0.97);
  opacity: 0;
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1),
              opacity 500ms linear, filter 400ms linear;
}

.demo--open .demo__console { transform: none; opacity: 1; }

.demo--done .demo__console { filter: brightness(0.35); }

.demo__bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  padding: 14px var(--spacing-24);
  border-bottom: 1px solid var(--color-graphite-border);
}

.demo__brand {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.1em;
  color: var(--color-bone-white);
}

.demo__live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--color-ember-orange);
}

.demo__live i {
  width: 7px;
  height: 7px;
  background: var(--color-ember-orange);
}

.demo__close {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  background: transparent;
  color: var(--color-steel-mid);
  border: 1px solid var(--color-graphite-border);
  padding: 7px 12px;
  cursor: pointer;
  transition: color 120ms linear, border-color 120ms linear;
}

.demo__close:hover {
  color: var(--color-void-black);
  background: var(--color-ember-orange);
  border-color: var(--color-ember-orange);
}

/* ---------- grilla principal ---------- */
.demo__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.demo__panel {
  padding: var(--spacing-20) var(--spacing-24) var(--spacing-24);
  border-right: 1px solid var(--color-graphite-border);
}

.demo__panel:last-child { border-right: none; }

.demo__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--color-steel-mid);
  margin-bottom: var(--spacing-16);
}

/* ---------- topología ---------- */
.demo__topo { width: 100%; height: auto; }

.demo__topo text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  fill: var(--color-steel-mid);
}

/* ---------- gráficos ---------- */
.chart + .chart { margin-top: var(--spacing-20); }

.chart__head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-fog-light);
  margin-bottom: 8px;
}

.chart__val { color: var(--color-bone-white); }

.chart__val.is-crit { color: var(--color-ember-orange); }

.chart svg {
  width: 100%;
  height: 92px;
  border: 1px solid var(--color-graphite-border);
  display: block;
}

/* ---------- KPIs ---------- */
.demo__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-graphite-border);
}

.stat {
  padding: 14px var(--spacing-24);
  border-right: 1px solid var(--color-graphite-border);
}

.stat:last-child { border-right: none; }

.stat__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--color-steel-mid);
}

.stat__v {
  display: block;
  margin-top: 5px;
  font-family: var(--font-display);
  font-weight: var(--font-weight-light);
  font-size: 30px;
  line-height: 1;
  color: var(--color-bone-white);
}

.stat--hl .stat__v { color: var(--color-ember-orange); }

/* ---------- log ---------- */
.demo__log {
  border-top: 1px solid var(--color-graphite-border);
  padding: var(--spacing-16) var(--spacing-24);
  min-height: 92px;
}

.demo__log p {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--color-fog-light);
  opacity: 0;
}

.demo__log p b { color: var(--color-steel-mid); font-weight: 400; margin-right: 10px; }

.demo__log p.is-warn { color: var(--color-ember-orange); }

.demo__log p.is-warn b { color: var(--color-ember-orange); }

.demo__log p::before { content: '> '; color: var(--color-ember-orange); }

/* ---------- banners de alerta ---------- */
.demo__alerts {
  position: relative;
  height: 46px;
  border-bottom: 1px solid var(--color-graphite-border);
  overflow: hidden;
}

.alert {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--color-ember-orange);
  color: var(--color-void-black);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  opacity: 0;
}

.alert i {
  width: 8px;
  height: 8px;
  background: var(--color-void-black);
}

.alert--idle {
  background: transparent;
  color: var(--color-steel-mid);
  opacity: 1;
}

.alert--idle i { background: var(--color-steel-mid); }

.alert--ok {
  background: var(--color-bone-white);
  color: var(--color-void-black);
}

/* ---------- lema y progreso ---------- */
.demo__tagline {
  border-top: 1px solid var(--color-graphite-border);
  padding: 14px var(--spacing-24);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  letter-spacing: 0.08em;
  color: var(--color-ember-orange);
  opacity: 0;
}

.demo__progress {
  height: 3px;
  background: var(--color-carbon);
}

.demo__progress i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-ember-orange);
}

/* ---------- panel final ---------- */
.demo__outro {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -46%);
  width: min(620px, calc(100% - 48px));
  border: 1px solid var(--color-ember-orange);
  background: var(--color-carbon);
  padding: var(--spacing-40);
  opacity: 0;
  visibility: hidden;
  transition: opacity 500ms linear, transform 500ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 500ms;
}

.demo--done .demo__outro {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%);
  transition: opacity 500ms linear, transform 500ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s;
}

.demo__outro-id {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--color-ember-orange);
}

.demo__outro h3 {
  margin-top: var(--spacing-16);
  font-family: var(--font-display);
  font-weight: var(--font-weight-light);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.3px;
}

.demo__outro ul {
  list-style: none;
  margin-top: var(--spacing-24);
}

.demo__outro li {
  display: flex;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--color-graphite-border);
  font-size: var(--text-caption);
  color: var(--color-fog-light);
}

.demo__outro li span { color: var(--color-ember-orange); }

.demo__outro-cta {
  margin-top: var(--spacing-24);
  display: flex;
  gap: var(--spacing-16);
  flex-wrap: wrap;
}

/* ============================================================
   COREOGRAFÍA — se activa con .demo--play (10s de duración)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {

  /* nodos de la topología */
  .demo--play .tp-node {
    transform-box: fill-box;
    transform-origin: center;
    animation: dNodeIn 420ms cubic-bezier(0.22, 1.5, 0.36, 1) both;
    animation-delay: var(--d);
  }

  @keyframes dNodeIn {
    from { opacity: 0; scale: 0.4; }
    to   { opacity: 1; scale: 1; }
  }

  /* enlaces que se dibujan */
  .demo--play .tp-links line {
    stroke-dasharray: 160;
    stroke-dashoffset: 160;
    animation: dLinkDraw 520ms cubic-bezier(0.65, 0, 0.35, 1) both;
    animation-delay: var(--d);
  }

  @keyframes dLinkDraw { to { stroke-dashoffset: 0; } }

  /* LEDs latiendo */
  .demo--play .tp-led { animation: dLed 2.4s steps(1) infinite; }

  @keyframes dLed { 0%, 70% { opacity: 1; } 71%, 100% { opacity: 0.25; } }

  /* nodo con anomalía: se enciende a los 5s, vuelve a normal a los 8s */
  .demo--play .tp-node--alert .tp-box { animation: dBoxAlert 10s linear both; }

  @keyframes dBoxAlert {
    0%, 49%   { stroke: #f5f5f5; }
    50%, 79%  { stroke: #ff4f2b; }
    82%, 100% { stroke: #f5f5f5; }
  }

  .demo--play .tp-node--alert .tp-led { animation: dLedAlert 10s linear both; }

  @keyframes dLedAlert {
    0%, 49%   { fill: #f5f5f5; opacity: 1; }
    50%       { fill: #ff4f2b; opacity: 1; }
    53%       { fill: #ff4f2b; opacity: 0.2; }
    56%       { fill: #ff4f2b; opacity: 1; }
    59%       { fill: #ff4f2b; opacity: 0.2; }
    62%, 79%  { fill: #ff4f2b; opacity: 1; }
    82%, 100% { fill: #f5f5f5; opacity: 1; }
  }

  .demo--play .tp-halo {
    transform-box: fill-box;
    transform-origin: center;
    animation: dHalo 10s linear both;
  }

  @keyframes dHalo {
    0%, 49%   { opacity: 0; scale: 0.88; }
    50%       { opacity: 1; scale: 1; }
    58%       { opacity: 0;   scale: 1.4; }
    59%       { opacity: 1; scale: 1; }
    68%       { opacity: 0;   scale: 1.4; }
    69%       { opacity: 1; scale: 1; }
    79%       { opacity: 0;   scale: 1.4; }
    80%, 100% { opacity: 0; scale: 0.88; }
  }

  /* ruta de la alerta hacia el gateway */
  .demo--play .tp-route {
    stroke-dasharray: 100;
    animation: dRoute 10s linear both;
  }

  @keyframes dRoute {
    0%, 63%   { stroke-dashoffset: 100; opacity: 0; }
    64%       { stroke-dashoffset: 100; opacity: 1; }
    73%       { stroke-dashoffset: 0;   opacity: 1; }
    81%       { stroke-dashoffset: 0;   opacity: 0; }
    100%      { stroke-dashoffset: 0;   opacity: 0; }
  }

  .demo:not(.demo--play) .tp-route { opacity: 0; }

  /* líneas de los gráficos: se dibujan de 2s a 8s */
  .demo--play .chart__line {
    stroke-dasharray: 100;
    animation: dChart 10s linear both;
  }

  @keyframes dChart {
    0%, 20%   { stroke-dashoffset: 100; }
    80%, 100% { stroke-dashoffset: 0; }
  }

  /* la línea de barrido acompaña la punta del trazo */
  .demo--play .chart__scan { animation: dScan 10s linear both; }

  @keyframes dScan {
    0%, 19.9% { transform: translateX(0); opacity: 0; }
    20%       { transform: translateX(0); opacity: 0.9; }
    79.9%     { transform: translateX(360px); opacity: 0.9; }
    80%, 100% { transform: translateX(360px); opacity: 0; }
  }

  .demo:not(.demo--play) .chart__scan { opacity: 0; }

  /* los gráficos arrancan en blanco: nada se revela antes de tiempo */
  .demo:not(.demo--play) .chart__line { stroke-dasharray: 100; stroke-dashoffset: 100; }
  .demo:not(.demo--play) .tp-node, .demo:not(.demo--play) .tp-links line { opacity: 0; }

  /* log */
  .demo--play .demo__log p {
    animation: dLogIn 400ms linear both;
    animation-delay: var(--d);
  }

  @keyframes dLogIn {
    from { opacity: 0; transform: translateX(-6px); }
    to   { opacity: 1; transform: none; }
  }

  /* banners */
  .demo--play .alert--1 { animation: dAlert1 10s linear both; }
  .demo--play .alert--2 { animation: dAlert2 10s linear both; }
  .demo--play .alert--3 { animation: dAlert3 10s linear both; }

  @keyframes dAlert1 {
    0%, 49%   { opacity: 0; transform: translateY(12px); }
    51%, 61%  { opacity: 1; transform: translateY(0); }
    64%, 100% { opacity: 0; transform: translateY(-8px); }
  }

  @keyframes dAlert2 {
    0%, 63%   { opacity: 0; transform: translateY(12px); }
    65%, 77%  { opacity: 1; transform: translateY(0); }
    80%, 100% { opacity: 0; transform: translateY(-8px); }
  }

  @keyframes dAlert3 {
    0%, 79%   { opacity: 0; transform: translateY(12px); }
    81%, 96%  { opacity: 1; transform: translateY(0); }
    99%, 100% { opacity: 0; transform: translateY(-8px); }
  }

  /* lema final */
  .demo--play .demo__tagline { animation: dTag 10s linear both; }

  @keyframes dTag {
    0%, 88%   { opacity: 0; }
    93%, 100% { opacity: 1; }
  }

  /* barra de progreso */
  .demo--play .demo__progress i { animation: dProgress 10s linear both; }

  @keyframes dProgress { from { width: 0; } to { width: 100%; } }
}

/* sin movimiento: se muestra el estado final, sin coreografía */
@media (prefers-reduced-motion: reduce) {
  .demo__log p, .demo__tagline { opacity: 1; }
  .demo .chart__line { stroke-dashoffset: 0; }
  .demo__alerts, .demo__progress { display: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .demo { padding: var(--spacing-8); align-items: flex-start; overflow-y: auto; }
  .demo__grid { grid-template-columns: 1fr; }
  .demo__panel { border-right: none; border-bottom: 1px solid var(--color-graphite-border); }
  .demo__stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(2n) { border-right: none; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--color-graphite-border); }
  .stat__v { font-size: 24px; }
  .demo__outro { position: fixed; padding: var(--spacing-24); }
  .alert { font-size: 10px; padding: 8px 12px; }
}

/* ---------- tarjeta de introducción de la demo ---------- */
.demo__intro {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -48%);
  width: min(560px, calc(100% - 48px));
  border: 1px solid var(--color-ember-orange);
  background: var(--color-carbon);
  padding: var(--spacing-40);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  z-index: 3;
  transition: opacity 400ms linear, transform 400ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s linear 400ms;
}

.demo--intro .demo__intro {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, -50%);
  transition: opacity 400ms linear, transform 400ms cubic-bezier(0.22, 1, 0.36, 1), visibility 0s;
}

.demo--intro .demo__console { filter: brightness(0.3); }

.demo__intro-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--color-ember-orange);
}

.demo__intro h3 {
  margin-top: var(--spacing-16);
  font-family: var(--font-display);
  font-weight: var(--font-weight-light);
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.4px;
}

.demo__intro-t {
  margin-top: var(--spacing-16);
  font-size: var(--text-subheading);
  line-height: 1.5;
  color: var(--color-fog-light);
}

.demo__intro-go {
  margin-top: var(--spacing-32);
  height: 2px;
  background: var(--color-graphite-border);
}

.demo__intro-go i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--color-ember-orange);
}

@media (prefers-reduced-motion: no-preference) {
  .demo--intro .demo__intro-go i { animation: dIntroGo 2400ms linear both; }

  @keyframes dIntroGo { from { width: 0; } to { width: 100%; } }

  /* estado en reposo de la barra de alertas: se apaga cuando aparece la anomalía */
  .demo--play .alert--idle { animation: dIdle 10s linear both; }

  @keyframes dIdle {
    0%, 45%   { opacity: 1; }
    49%, 100% { opacity: 0; }
  }
}

/* en teléfonos la consola se compacta para que la demo entre completa en pantalla */
@media (max-width: 640px) {
  .demo__grid .demo__panel:first-child { display: none; }
  .demo__panel { padding: var(--spacing-16); }
  .chart svg { height: 74px; }
  .demo__log { min-height: 72px; padding: 12px var(--spacing-16); }
  .demo__log p { font-size: 11px; line-height: 1.75; }
  .demo__stats .stat { padding: 10px var(--spacing-16); }
  .stat__v { font-size: 21px; }
  .demo__tagline { padding: 11px var(--spacing-16); font-size: 12px; }
  .demo__alerts { height: 52px; }
  .demo__intro { padding: var(--spacing-24); }
}

@media (prefers-reduced-motion: no-preference) {
  /* onda de reconstrucción que barre la grilla de discos */
  .demo--play .sc-wave { opacity: 0; animation: scWave 850ms linear both; animation-delay: var(--d, 0s); }
  @keyframes scWave { 0% { opacity: 0; } 30% { opacity: 1; } 100% { opacity: 0; } }
}

/* ============================================================
   VOCABULARIO DE ESCENA — piezas reutilizables con las que se
   compone la animación propia de cada servicio. Todas duran 10s
   o se disparan con un retardo absoluto (var(--d)).
   ============================================================ */
.demo__scene { width: 100%; }
.demo__scene svg { width: 100%; height: auto; display: block; }

.demo__scene text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  fill: var(--color-steel-mid);
}

.demo__scene text.t-hl { fill: var(--color-bone-white); }
.demo__scene text.t-or { fill: var(--color-ember-orange); }
.demo__scene text.t-big { font-size: 13px; }

@media (prefers-reduced-motion: no-preference) {

  /* --- aparición --- */
  .demo--play .sc-in {
    transform-box: fill-box;
    transform-origin: center;
    opacity: 0;
    animation: scIn 460ms cubic-bezier(0.22, 1.5, 0.36, 1) both;
    animation-delay: var(--d, 0s);
  }
  @keyframes scIn { from { opacity: 0; scale: 0.5; } to { opacity: 1; scale: 1; } }

  /* --- trazo que se dibuja --- */
  .demo--play .sc-draw {
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    animation: scDraw 700ms cubic-bezier(0.65, 0, 0.35, 1) both;
    animation-delay: var(--d, 0s);
  }
  @keyframes scDraw { to { stroke-dashoffset: 0; } }

  /* --- barra que se llena --- */
  .demo--play .sc-fill {
    transform-box: fill-box;
    transform-origin: left center;
    animation: scFill var(--dur, 2s) cubic-bezier(0.65, 0, 0.35, 1) both;
    animation-delay: var(--d, 0s);
  }
  @keyframes scFill { from { scale: 0 1; } to { scale: 1 1; } }

  /* --- tránsito continuo (paquetes, tareas) --- */
  .demo--play .sc-travel {
    animation: scTravel var(--dur, 2.4s) linear infinite both;
    animation-delay: var(--d, 0s);
  }
  @keyframes scTravel {
    0%   { translate: 0 0; opacity: 0; }
    12%  { opacity: 1; }
    88%  { opacity: 1; }
    100% { translate: var(--tx, 0px) var(--ty, 0px); opacity: 0; }
  }

  /* --- se traslada durante el evento (5s → 7.8s) --- */
  .demo--play .sc-carry {
    animation: scCarry 10s cubic-bezier(0.65, 0, 0.35, 1) both;
    animation-delay: var(--d, 0s);
  }
  @keyframes scCarry {
    0%, 50%   { translate: 0 0; }
    78%, 100% { translate: var(--tx, 0px) var(--ty, 0px); }
  }

  /* --- se enciende en naranja durante el evento --- */
  .demo--play .sc-alert { animation: scAlert 10s linear both; }
  @keyframes scAlert {
    0%, 49%   { stroke: #f5f5f5; }
    50%, 79%  { stroke: #ff4f2b; }
    82%, 100% { stroke: #f5f5f5; }
  }

  .demo--play .sc-alert-f { animation: scAlertF 10s linear both; }
  @keyframes scAlertF {
    0%, 49%   { fill: #f5f5f5; }
    50%       { fill: #ff4f2b; }
    54%       { fill: #ff4f2b; opacity: 0.25; }
    58%, 79%  { fill: #ff4f2b; opacity: 1; }
    82%, 100% { fill: #f5f5f5; opacity: 1; }
  }

  /* --- halo que late durante el evento --- */
  .demo--play .sc-pulse {
    transform-box: fill-box;
    transform-origin: center;
    animation: scPulse 10s linear both;
  }
  @keyframes scPulse {
    0%, 49%   { opacity: 0; scale: 0.88; }
    50%       { opacity: 1; scale: 1; }
    58%       { opacity: 0; scale: 1.35; }
    59%       { opacity: 1; scale: 1; }
    68%       { opacity: 0; scale: 1.35; }
    69%       { opacity: 1; scale: 1; }
    79%       { opacity: 0; scale: 1.35; }
    80%, 100% { opacity: 0; scale: 0.88; }
  }

  /* --- flujo punteado permanente --- */
  .demo--play .sc-flow { stroke-dasharray: 5 7; animation: scFlow 900ms linear infinite; }
  @keyframes scFlow { to { stroke-dashoffset: -12; } }

  /* --- sólo visible durante el evento --- */
  .demo--play .sc-evt { opacity: 0; animation: scEvt 10s linear both; animation-delay: var(--d, 0s); }
  @keyframes scEvt {
    0%, 49%   { opacity: 0; }
    53%, 77%  { opacity: 1; }
    81%, 100% { opacity: 0; }
  }

  /* --- sólo visible al resolverse --- */
  .demo--play .sc-ok { opacity: 0; animation: scOk 10s linear both; }
  @keyframes scOk {
    0%, 79%   { opacity: 0; }
    84%, 100% { opacity: 1; }
  }

  /* --- se apaga al resolverse --- */
  .demo--play .sc-off { animation: scOff 10s linear both; }
  @keyframes scOff {
    0%, 79%   { opacity: 1; }
    84%, 100% { opacity: 0.18; }
  }

  /* --- onda de reconstrucción (retardo absoluto por bloque) --- */
  .demo--play .sc-seq { opacity: 0.22; animation: scSeq 900ms linear both; animation-delay: var(--d, 0s); }
  @keyframes scSeq {
    0%   { opacity: 0.22; }
    35%  { opacity: 1; }
    100% { opacity: 1; }
  }

  /* --- latido suave permanente --- */
  .demo--play .sc-led { animation: scLed 2.4s steps(1) infinite; }
  @keyframes scLed { 0%, 70% { opacity: 1; } 71%, 100% { opacity: 0.25; } }

  /* nada se revela antes de que arranque la reproducción */
  .demo:not(.demo--play) .sc-in,
  .demo:not(.demo--play) .sc-evt,
  .demo:not(.demo--play) .sc-ok { opacity: 0; }
  .demo:not(.demo--play) .sc-draw { stroke-dasharray: 400; stroke-dashoffset: 400; }
  .demo:not(.demo--play) .sc-fill { transform-box: fill-box; transform-origin: left center; scale: 0 1; }
}

@media (prefers-reduced-motion: no-preference) {
  /* visible salvo durante el evento (p. ej. "EN ESPERA" mientras hay failover) */
  .demo--play .sc-hide { animation: scHide 10s linear both; }
  @keyframes scHide {
    0%, 49%   { opacity: 1; }
    53%, 77%  { opacity: 0; }
    81%, 100% { opacity: 1; }
  }
}