/* ============================================
   GRIME REAPER — sistema de diseño
   "expediente de contención" / HUD de terminal
   ============================================ */

:root {
  /* color */
  --ink: #0c0d0a;
  --panel: #16180f;
  --panel-alto: #1d2015;
  --paper: #d9d3bd;
  --paper-ink: #201d15;
  --contencion: #a3121a;
  --contencion-alta: #c81c26;
  --peligro: #d7a831;
  --toxina: #5c7a4a;
  --linea: rgba(217, 211, 189, 0.14);
  --texto: #d9d3bd;
  --texto-tenue: rgba(217, 211, 189, 0.62);

  /* tipografia */
  --f-titular: "Anton", "Arial Narrow", sans-serif;
  --f-cuerpo: "Courier Prime", "Courier New", monospace;

  /* layout */
  --ancho-maximo: 1180px;
  --radio: 2px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--texto);
  font-family: var(--f-cuerpo);
  font-size: 16px;
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

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

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

h1,
h2,
h3 {
  font-family: var(--f-titular);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1.05;
}

p {
  margin: 0;
}

/* capa de ruido de escaner sobre toda la pagina */

.escaner {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  background: repeating-linear-gradient(to bottom,
      rgba(0, 0, 0, 0.09) 0px,
      rgba(0, 0, 0, 0.09) 1px,
      transparent 1px,
      transparent 3px);
  mix-blend-mode: multiply;
  opacity: 0.5;
}

.escaner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center,
      transparent 55%,
      rgba(0, 0, 0, 0.55) 100%);
}

/* ============ encabezado ============ */

.encabezado {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 13, 10, 0.92);
  border-bottom: 1px solid var(--linea);
  backdrop-filter: blur(4px);
}

.menu {
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.marca {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-titular);
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}

.icono-biohazard {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.lista-menu {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.lista-menu a {
  position: relative;
  padding-bottom: 4px;
}

.lista-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--contencion-alta);
  transition: width 0.2s ease;
}

.lista-menu a:hover::after,
.lista-menu a:focus-visible::after {
  width: 100%;
}

/* ============ inicio / hud ============ */

.inicio {
  border-bottom: 1px solid var(--linea);
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(163, 18, 26, 0.14), transparent),
    var(--ink);
}

.rejilla-inicio {
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  padding: 64px 24px 88px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: end;
}

.columna-titulo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
}

.linea-terminal {
  font-size: 0.78rem;
  color: var(--toxina);
  letter-spacing: 0.05em;
  min-height: 1.2em;
  white-space: nowrap;
  overflow: hidden;
  border-right: 2px solid var(--toxina);
  padding-right: 6px;
}

.linea-terminal.terminado {
  border-right: none;
}

.titulo-inicio {
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: var(--texto);
}

.titulo-inicio.parpadeo {
  animation: glitch 0.18s linear 1;
}

@keyframes glitch {
  0% {
    transform: translate(0, 0);
    text-shadow: none;
  }

  20% {
    transform: translate(-2px, 1px);
    text-shadow: 2px 0 var(--contencion-alta);
  }

  40% {
    transform: translate(2px, -1px);
    text-shadow: -2px 0 var(--toxina);
  }

  60% {
    transform: translate(-1px, 0);
    text-shadow: 1px 0 var(--contencion-alta);
  }

  100% {
    transform: translate(0, 0);
    text-shadow: none;
  }
}

.descripcion-inicio {
  max-width: 46ch;
  color: var(--texto-tenue);
  font-size: 0.98rem;
}

.boton-inicio {
  border: 1px solid var(--contencion-alta);
  color: var(--texto);
  padding: 13px 26px;
  font-family: var(--f-cuerpo);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: background 0.15s ease, color 0.15s ease;
}

.boton-inicio:hover,
.boton-inicio:focus-visible {
  background: var(--contencion-alta);
  color: var(--ink);
}

/* panel de estado */

.panel-estado {
  border: 1px solid var(--linea);
  background: var(--panel);
  padding: 22px;
}

.panel-cabecera {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--toxina);
  border-bottom: 1px solid var(--linea);
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.punto-estado {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--toxina);
  box-shadow: 0 0 6px var(--toxina);
}

.lista-estado {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.lista-estado>div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.82rem;
}

.lista-estado dt {
  color: var(--texto-tenue);
  letter-spacing: 0.04em;
}

.lista-estado dd {
  margin: 0;
  text-align: right;
}

.valor-critico {
  color: rgb(253, 211, 104);
}

.barra-progreso {
  margin-top: 18px;
  height: 6px;
  background: rgba(217, 211, 189, 0.1);
  overflow: hidden;
}

.barra-relleno {
  height: 100%;
  width: 0%;
  background: var(--toxina);
  transition: width 1.6s ease;
}

/* ============ presentacion / expediente ============ */

.presentacion {
  padding: 96px 24px;
  display: flex;
  justify-content: center;
  border-bottom: 1px solid var(--linea);
}

.hoja-expediente {
  max-width: 680px;
  background: var(--paper);
  color: var(--paper-ink);
  padding: 48px 44px;
  clip-path: polygon(0 0, 100% 0, 100% 96%, 97% 100%, 0 100%);
}

.sello-expediente {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--contencion);
  border-bottom: 1px solid rgba(32, 29, 21, 0.25);
  padding-bottom: 12px;
  margin: 0 0 20px;
}

.hoja-expediente h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-bottom: 20px;
}

.hoja-expediente p {
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 56ch;
}

.enlace-seccion {
  display: inline-block;
  margin-top: 24px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--contencion);
  padding-bottom: 2px;
}

/* ============ servicios / caja de items ============ */

.servicios-destacados {
  padding: 96px 24px;
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  border-bottom: 1px solid var(--linea);
}

.encabezado-seccion {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

.etiqueta-seccion {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--toxina);
  margin: 0 0 14px;
}

.etiqueta-seccion--clara {
  color: var(--peligro);
}

.encabezado-seccion h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

.descripcion-seccion {
  margin-top: 16px;
  color: var(--texto-tenue);
  font-size: 0.92rem;
}

.caja-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}

.ranura-item {
  background: var(--panel);
  padding: 32px 28px 36px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background 0.15s ease;
}

.ranura-item:hover {
  background: var(--panel-alto);
}

.ranura-item--critica {
  border-top: 2px solid var(--contencion-alta);
}

.numero-ranura {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--texto-tenue);
}

.ranura-item h3 {
  font-size: 1.15rem;
  color: var(--texto);
}

.ranura-item p {
  font-size: 0.86rem;
  color: var(--texto-tenue);
  line-height: 1.6;
  flex-grow: 1;
}

.ranura-item a {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--contencion-alta);
}

.boton-servicios {
  display: block;
  width: fit-content;
  margin: 44px auto 0;
  border: 1px solid var(--linea);
  padding: 13px 26px;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  transition: border-color 0.15s ease;
}

.boton-servicios:hover,
.boton-servicios:focus-visible {
  border-color: var(--contencion-alta);
}

/* ============ agendar ============ */

.agendar {
  position: relative;
  background: var(--contencion);
  color: var(--ink);
  text-align: center;
  overflow: hidden;
}

.cinta-peligro {
  height: 14px;
  background: repeating-linear-gradient(-45deg,
      var(--peligro),
      var(--peligro) 16px,
      var(--ink) 16px,
      var(--ink) 32px);
}

.contenido-agendar {
  max-width: 640px;
  margin: 0 auto;
  padding: 64px 24px;
}

.contenido-agendar h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--ink);
  margin: 16px 0 18px;
}

.contenido-agendar p {
  font-size: 0.96rem;
  color: rgba(12, 13, 10, 0.78);
}

.boton-contacto {
  display: inline-block;
  margin-top: 30px;
  background: var(--ink);
  color: var(--texto);
  padding: 15px 32px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  border: 1px solid var(--ink);
  transition: background 0.15s ease, color 0.15s ease;
}

.boton-contacto:hover,
.boton-contacto:focus-visible {
  background: transparent;
  color: var(--ink);
}

#cursorMaquina::after {
  content: "_";
  margin-left: 2px;
  animation: parpadeo 1s steps(1) infinite;
}

/* ============ preguntas frecuentes / registro de casos ============ */

.preguntas-frecuentes {
  padding: 96px 24px 120px;
  max-width: 820px;
  margin: 0 auto;
}

.lista-preguntas {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}

.pregunta {
  background: var(--panel);
  padding: 0;
}

.pregunta summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.92rem;
}

.pregunta summary::-webkit-details-marker {
  display: none;
}

.pregunta summary::after {
  content: "+";
  font-family: var(--f-titular);
  font-size: 1.3rem;
  color: var(--toxina);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.pregunta[open] summary::after {
  transform: rotate(45deg);
}

.marca-caso {
  font-size: 0.68rem;
  color: var(--texto-tenue);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

.pregunta p {
  padding: 0 24px 22px;
  color: var(--texto-tenue);
  font-size: 0.88rem;
  line-height: 1.7;
  max-width: 62ch;
}

/* ============ pie de pagina ============ */

.pie-pagina {
  border-top: 1px solid var(--linea);
  padding: 32px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  font-size: 0.78rem;
  color: var(--texto-tenue);
}

.logo-pie {
  font-family: var(--f-titular);
  color: var(--texto);
  letter-spacing: 0.04em;
}

.cursor-parpadeo {
  animation: parpadeo 1s steps(1) infinite;
}

@keyframes parpadeo {
  50% {
    opacity: 0;
  }
}

/* ============ nav activo ============ */

.lista-menu a.activo {
  color: var(--contencion-alta);
}

.lista-menu a.activo::after {
  width: 100%;
}

/* ============ nosotros: hero ============ */

.nosotros-hero {
  border-bottom: 1px solid var(--linea);
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(163, 18, 26, 0.14), transparent),
    var(--ink);
}

.rejilla-nosotros-hero {
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  padding: 72px 24px;
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 56px;
  align-items: end;
}

.titulo-nosotros {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--texto);
  margin: 18px 0 22px;
}

/* ============ nosotros: unidades ============ */

.unidades {
  max-width: var(--ancho-maximo);
  margin: 0 auto;
  padding: 96px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
}

.unidad {
  background: var(--panel);
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.unidad--fija {
  background: var(--panel-alto);
}

.unidad-cabecera {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 4px;
}

.icono-unidad {
  width: 34px;
  height: 34px;
  color: var(--toxina);
  flex-shrink: 0;
}

.modo-etiqueta {
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  color: var(--texto-tenue);
}

.unidad h2 {
  font-size: 1.9rem;
  color: var(--texto);
}

.unidad p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--texto-tenue);
  max-width: 52ch;
}

.unidad strong {
  color: var(--texto);
  font-weight: 700;
}

.lista-ventajas {
  list-style: none;
  margin: 10px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--linea);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.lista-ventajas li {
  font-size: 0.85rem;
  color: var(--texto);
  padding-left: 22px;
  position: relative;
}

.lista-ventajas li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--toxina);
}

/* ============ accesibilidad ============ */

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--peligro);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {

  .titulo-inicio.parpadeo,
  .cursor-parpadeo,
  #cursorMaquina::after {
    animation: none;
  }

  .barra-relleno {
    transition: none;
  }
}

/* ============ responsive ============ */

@media (max-width: 860px) {
  .rejilla-inicio {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .caja-items {
    grid-template-columns: 1fr;
  }

  .rejilla-nosotros-hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .unidades {
    grid-template-columns: 1fr;
  }

  .lista-menu {
    gap: 18px;
    font-size: 0.74rem;
  }
}

@media (max-width: 520px) {
  .menu {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }

  .hoja-expediente {
    padding: 34px 26px;
  }

  .pie-pagina {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }
}