/* Concepto web ARS93 — sistema: asfalto/papel, señalética Barlow, banda de ciclo */

:root {
  --asfalto: #16181d;
  --asfalto-2: #1e2129;
  --papel: #f5f6f8;
  --blanco: #ffffff;
  --azul-ars: #2b3990;
  --azul-hover: #232f78;
  --verde: #1fa951;
  --ambar: #f5a623;
  --rojo: #e03c31;
  --tinta: #1f2430;
  --acero: #5a6573;
  --linea: #e3e6ec;
  --linea-oscura: #2c3039;
  --display: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --cuerpo: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--cuerpo);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--tinta);
  background: var(--papel);
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { margin: 0; }
p { margin: 0 0 0.9rem; }
a { color: var(--azul-ars); }

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

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--acero);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-verde { background: var(--verde); box-shadow: 0 0 8px var(--verde); }

/* ---------- header ---------- */
.site-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}
.site-head.scrolled { background: var(--asfalto); border-bottom-color: var(--linea-oscura); }
.head-row { display: flex; align-items: center; gap: 2rem; padding: 0.7rem 24px; }
.brand img { background: var(--blanco); padding: 3px 8px; border-radius: 3px; }
.head-nav { display: flex; gap: 1.6rem; margin-left: auto; }
.head-nav a {
  color: #c8cdd8;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.head-nav a:hover { color: var(--blanco); }

.head-sellos { display: flex; gap: 6px; }
.head-sellos img { height: 40px; width: auto; border-radius: 2px; }

/* ---------- botones ---------- */
.btn {
  display: inline-block;
  font-weight: 600;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-head {
  background: var(--azul-ars);
  color: var(--blanco);
  padding: 0.5rem 1.1rem;
  font-size: 0.92rem;
}
.btn-head:hover { background: #3a4ab8; }
.btn-primario { background: var(--azul-ars); color: var(--blanco); }
.btn-primario:hover { background: var(--azul-hover); }
.btn-fantasma { border: 1px solid var(--linea-oscura); color: #c8cdd8; }
.btn-fantasma:hover { border-color: #4a5060; color: var(--blanco); }

/* ---------- hero: la red despierta ---------- */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: #000;
  color: var(--blanco);
  overflow: hidden;
}
.hero-fondo { position: absolute; inset: 0; }
.hero-fondo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: 55% 45%;
}
.hero-velo {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 10, 14, 0.72) 0%, rgba(8, 10, 14, 0.28) 34%, rgba(8, 10, 14, 0.30) 58%, rgba(8, 10, 14, 0.86) 100%);
}
.hero-marcas { position: absolute; inset: 0; }
.hero-marcas i {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 9px; height: 9px;
  margin: -4px 0 0 -4px;
  border-radius: 50%;
  background: var(--verde);
  box-shadow: 0 0 10px 2px rgba(31, 169, 81, 0.75);
}
.hero-marcas i::after {
  content: '';
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 1px solid rgba(31, 169, 81, 0.55);
}

.hero-semaforo {
  position: absolute;
  right: clamp(2rem, 6vw, 9rem);
  bottom: 3.4rem;
  z-index: 1;
  pointer-events: none;
}
.hero-semaforo img {
  height: min(62vh, 560px);
  width: auto;
  filter: drop-shadow(-18px 26px 30px rgba(0, 0, 0, 0.55));
}
.hero-semaforo-b {
  position: absolute;
  right: calc(clamp(2rem, 6vw, 9rem) + clamp(14rem, 19vw, 23rem));
  bottom: 3.4rem;
  z-index: 1;
  pointer-events: none;
}
.hero-semaforo-b img {
  height: min(44vh, 400px);
  width: auto;
  filter: drop-shadow(14px 20px 24px rgba(0, 0, 0, 0.5));
}
.hero-semaforo { z-index: 2; }
.boot .hero-semaforo { animation: entrar-costado 0.9s cubic-bezier(0.2, 0.9, 0.25, 1.05) both 1.3s; }
.boot .hero-semaforo-b { animation: entrar-costado 0.9s cubic-bezier(0.2, 0.9, 0.25, 1.05) both 1.55s; }
@keyframes entrar-costado {
  from { transform: translateX(130%) rotate(3deg); opacity: 0; }
  70% { transform: translateX(-2%) rotate(-0.6deg); opacity: 1; }
  to { transform: none; opacity: 1; }
}

.hero-abajo { position: relative; z-index: 1; width: 100%; padding-bottom: 2.2rem; }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(3rem, 7vw, 5.6rem);
  line-height: 0.96;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  max-width: 15ch;
  margin-bottom: 1rem;
  text-shadow: 0 2px 28px rgba(0, 0, 0, 0.55);
}
.hero .lead {
  color: #cdd4e0;
  font-size: 1.12rem;
  max-width: 36rem;
  margin-bottom: 1.6rem;
  text-shadow: 0 1px 12px rgba(0, 0, 0, 0.5);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* Secuencia de arranque (solo con .boot, que el JS no añade con reduced motion) */
.boot .hero-fondo img { animation: aparecer-ciudad 1s ease-out both; }
.boot .hero-marcas i {
  animation:
    encender 0.55s cubic-bezier(0.2, 1.4, 0.4, 1) both var(--d),
    latido 3.2s ease-in-out calc(var(--d) + 2.6s) infinite;
}
.boot .hero-marcas i::after { animation: anillo 0.9s ease-out both var(--d); }
.boot .hero-abajo { animation: subir 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both 1.9s; }

@keyframes aparecer-ciudad { from { opacity: 0; transform: scale(1.05); } to { opacity: 1; transform: scale(1); } }
@keyframes encender { from { opacity: 0; transform: scale(0.2); } to { opacity: 1; transform: scale(1); } }
@keyframes anillo {
  from { transform: scale(0.4); opacity: 1; }
  to { transform: scale(3.2); opacity: 0; }
}
@keyframes latido {
  0%, 100% { box-shadow: 0 0 10px 2px rgba(31, 169, 81, 0.75); }
  50% { box-shadow: 0 0 16px 5px rgba(31, 169, 81, 0.45); }
}
@keyframes subir { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

/* ---------- banda de ciclo (firma) ---------- */
.ciclo { position: relative; z-index: 1; padding: 0 0 1.2rem; }
.ciclo-rows { position: relative; }
.ciclo-row { height: 5px; margin-bottom: 4px; }
/* Diagrama de barras: proporciones de fase por grupo (hard stops = segmentos) */
.ciclo-g1 { background: linear-gradient(90deg, var(--verde) 0 40%, var(--ambar) 40% 45%, var(--rojo) 45% 100%); }
.ciclo-g2 { background: linear-gradient(90deg, var(--rojo) 0 48%, var(--verde) 48% 75%, var(--ambar) 75% 80%, var(--rojo) 80% 100%); }
.ciclo-g3 { background: linear-gradient(90deg, var(--rojo) 0 10%, var(--verde) 10% 35%, var(--ambar) 35% 40%, var(--rojo) 40% 100%); }
.ciclo-g4 { background: linear-gradient(90deg, var(--rojo) 0 55%, var(--verde) 55% 90%, var(--ambar) 90% 95%, var(--rojo) 95% 100%); }
.ciclo-cursor {
  position: absolute;
  top: -4px;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--blanco);
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
  animation: barrido 12s linear infinite;
}
@keyframes barrido { from { left: 0; } to { left: 100%; } }
.ciclo-label {
  display: block;
  text-align: right;
  font-size: 0.7rem;
  color: #98a1b3;
  padding: 0.5rem 24px 0;
}

/* ---------- secciones claras ---------- */
.capacidades, .catalogo { padding: 5rem 0; }
.catalogo { padding-top: 0; }

.red { padding: 0 0 5rem; }
.red-lead { color: var(--acero); max-width: 40rem; margin-bottom: 1.8rem; }
.red-vista { margin: 0; }
.red-vista img { border-radius: 6px; box-shadow: 0 18px 48px rgba(22, 24, 29, 0.18); }
.red-vista figcaption { font-size: 0.75rem; color: var(--acero); margin-top: 0.7rem; }

.capacidades h2, .catalogo h2, .red h2, .empresa h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2rem, 3.5vw, 2.9rem);
  text-transform: uppercase;
  line-height: 1.02;
  margin-bottom: 2.2rem;
}

.seccion-lead { color: var(--acero); max-width: 44rem; margin: -1.2rem 0 2.4rem; font-size: 1.08rem; }

/* ---------- diagrama de convergencia de protocolos ---------- */
.conmutador { margin: 0 0 1.4rem; }
.conmutador-panel {
  background: var(--asfalto);
  border-radius: 8px;
  padding: 2.2rem 2rem 1.6rem;
  box-shadow: 0 20px 50px rgba(22, 24, 29, 0.22);
}
.cm-svg { width: 100%; height: auto; display: block; overflow: visible; }
.cm-lineas path { fill: none; stroke: #333a47; stroke-width: 2; }
.cm-pulsos path {
  fill: none;
  stroke: var(--verde);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 14 86;
  filter: drop-shadow(0 0 4px rgba(31, 169, 81, 0.9));
}
.cm-pulso { animation: cm-flujo 2.8s linear infinite; }
@keyframes cm-flujo { from { stroke-dashoffset: 100; } to { stroke-dashoffset: -100; } }

.cm-punto { fill: var(--verde); }
.cm-rot { font-family: var(--cuerpo); font-weight: 600; font-size: 15px; fill: #eef1f6; }
.cm-sub { font-family: var(--mono); font-size: 11px; fill: #8a93a5; }
.cm-nucleo { fill: #12325f; stroke: var(--azul-ars); stroke-width: 1.5; }
.cm-nucleo-a { font-family: var(--display); font-weight: 700; font-size: 17px; letter-spacing: 0.06em; fill: #cdd4ff; }
.cm-nucleo-b { font-family: var(--display); font-weight: 700; font-size: 26px; letter-spacing: 0.04em; fill: #ffffff; }
.cm-estado {
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--linea-oscura);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: #8a93a5;
  text-align: center;
}
.conmutador figcaption { margin-top: 0.9rem; font-size: 0.88rem; color: var(--acero); max-width: 52rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.card-acento { border-top: 3px solid var(--azul-ars); }
.card-acento .tag { margin: 0 0 0.7rem; padding-top: 0; }

@media (prefers-reduced-motion: reduce) {
  .cm-pulso { animation: none; stroke-dasharray: none; opacity: 0.9; }
}

.card {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: 6px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}
.card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.6rem; }
.card p { color: var(--acero); font-size: 0.97rem; }
.tag {
  margin: auto 0 0;
  padding-top: 0.9rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--azul-ars);
}

.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }
.card-imagen {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1.4rem;
  height: 190px;
  padding: 14px 14px 0;
  background: linear-gradient(180deg, #eceef3, var(--blanco));
  border-radius: 6px 6px 0 0;
}
.card-imagen img {
  height: 165px;
  width: auto;
  filter: drop-shadow(-6px 8px 10px rgba(31, 36, 48, 0.25));
}
.card-imagen picture:last-child img { height: 110px; }
.card-con-imagen { padding: 0; overflow: hidden; }
.card-destacada { grid-column: span 2; grid-row: span 2; padding: 0; overflow: hidden; }
.card-destacada img { width: 100%; height: auto; }
.card-cuerpo { padding: 1.5rem; display: flex; flex-direction: column; flex: 1; }

/* ---------- empresa (franja oscura) ---------- */
.empresa { background: var(--asfalto); color: var(--blanco); padding: 5rem 0; }
.empresa .eyebrow { color: #9aa3b5; }
.empresa .dato { border-top: 2px solid var(--linea-oscura); padding-top: 1rem; }
.dato-clave { font-size: 1.15rem; margin-bottom: 0.4rem; color: var(--blanco); }
.empresa .dato p:last-child { color: #b8bfcd; font-size: 0.95rem; }
.certs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.2rem;
  margin-top: 3rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--linea-oscura);
}
.certs img { height: 118px; width: auto; border-radius: 3px; }
.certs-texto { flex: 1 1 22rem; margin: 0; font-size: 0.95rem; color: #b8bfcd; }
.certs-texto a { color: #d5dae3; }

.clientes {
  margin: 3rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--linea-oscura);
  color: #9aa3b5;
  font-size: 0.95rem;
}

/* ---------- footer ---------- */
.pie { background: var(--asfalto-2); color: #b8bfcd; padding: 3.5rem 0; }
.pie a { color: #d5dae3; }
.pie-grid { display: grid; grid-template-columns: 2fr 1.5fr 1.5fr; gap: 2.5rem; align-items: start; }
.pie img { background: var(--blanco); padding: 3px 8px; border-radius: 3px; }
.pie-lema { margin-top: 1rem; font-size: 0.95rem; }
.pie address { font-style: normal; }
.pie-legal { font-size: 0.85rem; margin-top: 1.2rem; }
.pie-copy { font-size: 0.75rem; color: #98a1b3; margin-top: 0.6rem; }

/* ---------- páginas de producto ---------- */
.pagina-producto { padding-top: 64px; }
.pagina-cabecera { background: var(--asfalto); color: var(--blanco); padding: 3.5rem 0 2.8rem; }
.breadcrumb { font-size: 0.75rem; letter-spacing: 0.08em; color: #98a1b3; margin-bottom: 1.4rem; }
.breadcrumb a { color: #c8cdd8; }
.pagina-cabecera h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 0.9rem;
}
.pagina-cabecera .lead { color: #b8bfcd; font-size: 1.12rem; max-width: 42rem; margin: 0; }

.pagina-contenido { padding: 3.5rem 0 4rem; }
.pagina-grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 1fr); gap: 3rem; align-items: start; }
.pagina-texto h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.6rem;
  text-transform: uppercase;
  margin: 2rem 0 0.8rem;
}
.pagina-texto h2:first-child { margin-top: 0; }
.lista-specs { margin: 0; padding-left: 1.2rem; }
.lista-specs li { margin-bottom: 0.5rem; color: var(--tinta); }
.pagina-figura { margin: 0; position: sticky; top: 90px; }
.pagina-figura img { filter: drop-shadow(-8px 12px 16px rgba(31, 36, 48, 0.25)); margin: 0 auto; }
.pagina-figura figcaption { font-size: 0.75rem; color: var(--acero); margin-top: 0.8rem; text-align: center; }

.pagina-cta { background: var(--asfalto); color: var(--blanco); padding: 3.5rem 0; }
.pagina-cta h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.pagina-cta p { color: #b8bfcd; margin-bottom: 1.4rem; }

.pagina-relacionados { padding: 2.2rem 0; border-top: 1px solid var(--linea); }
.relacionados-lista { margin: 0; color: var(--acero); }

.card-link { display: inline-block; margin-top: 0.8rem; font-weight: 600; font-size: 0.92rem; }

@media (max-width: 900px) {
  .pagina-grid { grid-template-columns: 1fr; }
  .pagina-figura { position: static; }
  .pagina-figura img { max-height: 320px; width: auto; }
}

/* ---------- reveals ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .ciclo-cursor { animation: none; left: 38%; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .site-head, .btn { transition: none; }
  .boot .hero-fondo img, .boot .hero-marcas i, .boot .hero-marcas i::after, .boot .hero-abajo, .boot .hero-semaforo, .boot .hero-semaforo-b { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-semaforo, .hero-semaforo-b { display: none; }
  .grid-4, .cat-grid, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .card-destacada { grid-column: span 2; grid-row: auto; }
  .conmutador-panel { padding: 1.4rem 1rem 1.2rem; }
}
@media (max-width: 620px) {
  .head-nav, .head-sellos { display: none; }
  .grid-4, .cat-grid, .grid-3 { grid-template-columns: 1fr; }
  .card-destacada { grid-column: auto; }
  .pie-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .hero h1 { font-size: clamp(2.5rem, 11vw, 3.2rem); }
  .cm-rot { font-size: 20px; }
  .cm-sub { font-size: 15px; }
}