/* W3 Studio — estilos globales */
:root {
  --fondo: #05090f;
  --fondo-2: #0a131e;
  --fondo-3: #0f1b29;
  --superficie: rgba(255, 255, 255, 0.035);
  --borde: rgba(255, 255, 255, 0.09);
  --borde-fuerte: rgba(255, 255, 255, 0.18);
  --texto: #eef4fa;
  --tenue: #93a3b8;
  --cian: #12b5f0;
  --cian-claro: #6fe3ff;
  --naranja: #ff6a2b;
  --grad: linear-gradient(100deg, var(--cian-claro) 0%, var(--cian) 45%, var(--naranja) 100%);
  --radio: 22px;
  --ancho: 1240px;
  --display: "Syne", system-ui, sans-serif;
  --cuerpo: "Urbanist", system-ui, sans-serif;
  --suave: cubic-bezier(0.22, 1, 0.36, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 400 18px/1.6 var(--cuerpo);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before { /* grano sutil */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(36px, 5.4vw, 80px); font-weight: 700; }
h2 { font-size: clamp(30px, 3.8vw, 54px); }
h3 { font-size: 22px; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--cian-claro); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--cian); color: #001018; }

.envoltura { width: min(var(--ancho), 100% - 40px); margin-inline: auto; }
.envoltura-estrecha { width: min(760px, 100% - 40px); margin-inline: auto; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tenue { color: var(--tenue); }
.centro { text-align: center; margin-top: 48px; }
.ico { width: 1.15em; height: 1.15em; flex: none; }
.saltar { position: absolute; left: -999px; top: 8px; z-index: 200; background: var(--cian); color: #001018; padding: 10px 16px; border-radius: 10px; }
.saltar:focus { left: 8px; }

.ceja {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font: 600 13px/1 var(--cuerpo);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cian-claro);
  margin-bottom: 20px;
}
.ceja a:hover { color: var(--texto); }
.punto-vivo { width: 8px; height: 8px; border-radius: 50%; background: var(--naranja); box-shadow: 0 0 0 0 rgba(255, 106, 43, 0.6); animation: latido 2s infinite; }
@keyframes latido { 70% { box-shadow: 0 0 0 10px rgba(255, 106, 43, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 106, 43, 0); } }

/* Botones */
.botones { display: flex; flex-wrap: wrap; gap: 14px; }
.boton {
  --x: 0px; --y: 0px;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border: 0;
  border-radius: 999px;
  background: var(--texto);
  color: #04121c;
  font: 600 16px/1 var(--cuerpo);
  cursor: pointer;
  transform: translate(var(--x), var(--y));
  transition: transform 0.35s var(--suave), background 0.3s, box-shadow 0.3s;
  overflow: hidden;
  isolation: isolate;
}
.boton::before { content: ""; position: absolute; inset: 0; background: var(--grad); opacity: 0; transition: opacity 0.35s; z-index: -1; }
.boton:hover::before { opacity: 1; }
.boton:hover { box-shadow: 0 10px 40px -10px rgba(18, 181, 240, 0.7); }
.boton .ico { transition: transform 0.35s var(--suave); }
.boton:hover .ico { transform: translateX(3px); }
.boton-fantasma { background: transparent; color: var(--texto); box-shadow: inset 0 0 0 1px var(--borde-fuerte); }
.boton-fantasma::before { display: none; }
.boton-fantasma:hover { background: rgba(255, 255, 255, 0.06); box-shadow: inset 0 0 0 1px var(--texto); }
.boton-chico { padding: 11px 18px; font-size: 14px; }
.enlace-flecha { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--cian-claro); border-bottom: 1px solid transparent; transition: border-color 0.3s, gap 0.3s; }
.enlace-flecha:hover { gap: 12px; border-color: currentColor; }

/* Navegación */
.nav {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  width: min(var(--ancho), 100% - 24px);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 10px 10px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, top 0.4s;
}
.nav.solida { background: rgba(8, 14, 22, 0.72); border-color: var(--borde); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); top: 10px; }
.marca { display: inline-flex; align-items: center; gap: 10px; font: 700 20px/1 var(--display); letter-spacing: -0.02em; }
.marca b { font-weight: 600; color: var(--tenue); margin-left: 4px; }
.marca-ico { width: 30px; height: 30px; color: var(--cian); }
.nav-enlaces { display: flex; gap: 4px; margin-left: auto; }
.nav-enlaces a { padding: 9px 14px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--tenue); transition: color 0.25s, background 0.25s; }
.nav-enlaces a:hover, .nav-enlaces a[aria-current] { color: var(--texto); background: rgba(255, 255, 255, 0.06); }
.nav-movil-cta { display: none; }
.nav-boton { display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--borde-fuerte); background: transparent; color: var(--texto); cursor: pointer; place-items: center; }
.nav-boton .ico { width: 22px; height: 22px; }

/* Hero */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding: 140px 0 120px; overflow: hidden; }
.hero-lienzo { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-velo { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 70% 60% at 20% 50%, rgba(5, 9, 15, 0.85), transparent 70%), linear-gradient(to bottom, transparent 70%, var(--fondo)); }
.hero-contenido { position: relative; pointer-events: none; }
.hero-contenido a, .hero-contenido button { pointer-events: auto; }
.hero-titulo { max-width: 13ch; }
.hero-texto { max-width: 520px; font-size: clamp(18px, 1.5vw, 21px); color: #c3cfdc; margin-bottom: 36px; }
.hero-datos { display: flex; flex-wrap: wrap; gap: 14px 44px; margin: 64px 0 0; }
.hero-datos div { border-left: 1px solid var(--borde-fuerte); padding-left: 16px; }
.hero-datos dt { font: 700 34px/1 var(--display); }
.hero-datos dd { margin: 6px 0 0; color: var(--tenue); font-size: 14px; }
.hero-bajar { position: absolute; bottom: 30px; left: 50%; width: 26px; height: 42px; margin-left: -13px; border: 1.5px solid var(--borde-fuerte); border-radius: 14px; }
.hero-bajar span { position: absolute; top: 8px; left: 50%; width: 3px; height: 8px; margin-left: -1.5px; border-radius: 2px; background: var(--texto); animation: rueda 1.8s infinite; }
@keyframes rueda { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* Marquesina */
.marquesina { border-block: 1px solid var(--borde); padding: 22px 0; overflow: hidden; mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquesina-pista { display: flex; gap: 56px; width: max-content; animation: desliza 40s linear infinite; }
.marquesina span { display: inline-flex; align-items: center; gap: 14px; font: 600 26px/1 var(--display); color: var(--tenue); white-space: nowrap; }
.marquesina .ico { color: var(--cian); width: 26px; height: 26px; }
@keyframes desliza { to { transform: translateX(-50%); } }

/* Secciones */
.seccion { padding: clamp(64px, 8vw, 112px) 0; position: relative; }
.seccion-cabeza { max-width: 760px; margin-bottom: 56px; }
.seccion-cabeza > p:last-child { color: var(--tenue); font-size: 19px; }
.seccion-cabeza-fila { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }

/* Servicios */
.servicios-rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 18px; perspective: 1200px; }
.servicio-tarjeta {
  --rx: 0deg; --ry: 0deg; --mx: 50%; --my: 50%;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 340px;
  padding: 28px;
  border-radius: var(--radio);
  background: var(--fondo-2);
  border: 1px solid var(--borde);
  overflow: hidden;
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform 0.5s var(--suave), border-color 0.4s;
}
.servicio-tarjeta::after { content: ""; position: absolute; inset: 0; background: radial-gradient(420px circle at var(--mx) var(--my), rgba(18, 181, 240, 0.16), transparent 45%); opacity: 0; transition: opacity 0.4s; pointer-events: none; }
.servicio-tarjeta:hover { border-color: rgba(111, 227, 255, 0.35); }
.servicio-tarjeta:hover::after { opacity: 1; }
.servicio-tarjeta img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.08); transition: opacity 0.6s, transform 1.2s var(--suave); }
.servicio-tarjeta:hover img { opacity: 0.22; transform: scale(1); }
.servicio-tarjeta > :not(img) { position: relative; z-index: 1; }
.servicio-num { font: 600 14px/1 var(--display); color: var(--tenue); }
.servicio-ico { display: grid; place-items: center; width: 58px; height: 58px; margin: 26px 0 auto; border-radius: 16px; background: rgba(18, 181, 240, 0.1); color: var(--cian-claro); transform: translateZ(40px); }
.servicio-ico .ico { width: 28px; height: 28px; }
.servicio-tarjeta h3 { margin-top: 40px; transform: translateZ(30px); }
.servicio-tarjeta p { color: var(--tenue); font-size: 16px; }
.servicio-combinar { background: linear-gradient(150deg, rgba(18, 181, 240, 0.18), rgba(255, 106, 43, 0.12)), var(--fondo-2); border-color: rgba(111, 227, 255, 0.25); }
.servicio-combinar h3 { margin-top: auto; font-size: 26px; }
.servicio-combinar p { color: #c3cfdc; }
.servicio-mas { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--cian-claro); }

/* Laboratorio en inicio */
.lab { background: radial-gradient(ellipse 60% 50% at 70% 40%, rgba(18, 181, 240, 0.08), transparent), var(--fondo); }
.lab-panel { display: grid; grid-template-columns: 300px 1fr; gap: 18px; }
.lab-pestanas { display: flex; flex-direction: column; gap: 6px; }
.lab-pestanas button {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px;
  border: 1px solid transparent;
  border-radius: 16px;
  background: transparent;
  color: var(--tenue);
  font: 600 17px/1.2 var(--cuerpo);
  text-align: left;
  cursor: pointer;
  transition: all 0.3s;
}
.lab-pestanas button span { font: 600 12px/1 var(--display); color: var(--tenue); opacity: 0.7; }
.lab-pestanas button:hover { color: var(--texto); background: var(--superficie); }
.lab-pestanas button[aria-selected="true"] { color: var(--texto); background: var(--fondo-2); border-color: var(--borde); }
.lab-pestanas button[aria-selected="true"] span { color: var(--naranja); opacity: 1; }
.lab-escenario { position: relative; aspect-ratio: 16 / 10; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); overflow: hidden; }
.lab-escenario canvas { width: 100%; height: 100%; cursor: grab; }
.lab-escenario canvas:active { cursor: grabbing; }
.lab-info { position: absolute; left: 20px; right: 20px; bottom: 20px; max-width: 520px; padding: 18px 20px; border-radius: 16px; background: rgba(5, 9, 15, 0.7); border: 1px solid var(--borde); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); pointer-events: none; }
.lab-info p { margin: 0; font-size: 15px; color: #c3cfdc; }
.lab-info .demo-pista-txt { margin-top: 10px; display: flex; gap: 8px; align-items: center; color: var(--cian-claro); font-weight: 600; font-size: 14px; }

/* Demos del laboratorio */
.demos { display: flex; flex-direction: column; gap: clamp(80px, 10vw, 140px); padding-bottom: 120px; }
.demo { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(28px, 4vw, 64px); align-items: center; scroll-margin-top: 100px; }
.demo:nth-child(even) .demo-lienzo { order: 2; }
.demo-lienzo { position: relative; aspect-ratio: 4 / 3; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); overflow: hidden; }
.demo-lienzo canvas, .servicio-lienzo canvas { width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.demo-pista { position: absolute; left: 16px; bottom: 16px; display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; background: rgba(5, 9, 15, 0.7); border: 1px solid var(--borde); font-size: 13px; font-weight: 600; color: var(--cian-claro); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); pointer-events: none; }
.demo-texto p { color: #c3cfdc; }
.demo-uso { font-size: 16px; color: var(--tenue) !important; padding: 14px 0; border-top: 1px solid var(--borde); }
.demo-uso strong { color: var(--texto); }
.lab-indice { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.lab-indice a { display: inline-flex; gap: 10px; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--borde); font-size: 15px; font-weight: 600; transition: background 0.3s, border-color 0.3s; }
.lab-indice a span { color: var(--naranja); font-family: var(--display); font-size: 12px; }
.lab-indice a:hover { background: var(--superficie); border-color: var(--borde-fuerte); }

/* CREA es IA */
.crea { background: linear-gradient(180deg, var(--fondo), var(--fondo-2) 50%, var(--fondo)); }
.crea-rejilla { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.crea-rejilla > div > p { color: #c3cfdc; }
.tuberia { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; position: relative; }
.tuberia::before { content: ""; position: absolute; left: 33px; top: 30px; bottom: 30px; width: 2px; background: linear-gradient(var(--cian), var(--naranja)); opacity: 0.4; }
.tuberia li { position: relative; display: grid; grid-template-columns: 68px 1fr; grid-template-rows: auto auto; column-gap: 8px; align-items: center; padding: 18px 22px 18px 0; border-radius: 18px; background: var(--superficie); border: 1px solid var(--borde); }
.tuberia li span { grid-row: span 2; justify-self: center; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--fondo); border: 1px solid var(--cian); font: 700 13px/1 var(--display); color: var(--cian-claro); z-index: 1; }
.tuberia li.activo { border-color: rgba(111, 227, 255, 0.45); background: rgba(18, 181, 240, 0.08); }
.tuberia li.activo span { background: var(--cian); color: #001018; }
.tuberia strong { font-size: 18px; }
.tuberia small { color: var(--tenue); font-size: 14px; }

/* Portafolio */
.proyectos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.proyecto { display: flex; flex-direction: column; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); overflow: hidden; transition: border-color 0.4s, transform 0.5s var(--suave); }
.proyecto:hover { border-color: var(--borde-fuerte); transform: translateY(-4px); }
.proyecto[hidden] { display: none; }
.proyecto-destacado { grid-column: 1 / -1; display: grid; grid-template-columns: 1.4fr 1fr; }
.proyecto-medio { position: relative; aspect-ratio: 16 / 10; background: var(--fondo-3); overflow: hidden; }
.proyecto-destacado .proyecto-medio { aspect-ratio: auto; min-height: 340px; }
.proyecto-medio img, .proyecto-medio video { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--suave); }
.proyecto:hover .proyecto-medio img { transform: scale(1.04); }
.proyecto-play { position: absolute; inset: 0; margin: auto; width: 72px; height: 72px; display: grid; place-items: center; border-radius: 50%; background: rgba(255, 255, 255, 0.92); color: #04121c; pointer-events: none; transition: opacity 0.4s, transform 0.4s var(--suave); }
.proyecto-play .ico { width: 28px; height: 28px; margin-left: 3px; }
.proyecto.reproduciendo .proyecto-play { opacity: 0; transform: scale(0.8); }
.proyecto-medio video { cursor: pointer; }
.proyecto-monograma { position: absolute; inset: 0; display: grid; place-items: center; font: 800 96px/1 var(--display); background: radial-gradient(circle at 30% 30%, rgba(18, 181, 240, 0.35), transparent 60%), radial-gradient(circle at 80% 80%, rgba(255, 106, 43, 0.3), transparent 55%), var(--fondo-3); color: rgba(255, 255, 255, 0.9); letter-spacing: -0.04em; }
.proyecto-texto { padding: 26px 28px 28px; display: flex; flex-direction: column; justify-content: center; }
.proyecto-texto > p { color: var(--tenue); font-size: 16px; }
.proyecto-tipo { font-size: 13px !important; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cian-claro) !important; }
.proyecto-enlaces { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 0; }
.proyecto-enlaces a { display: inline-flex; align-items: center; gap: 6px; color: var(--texto); font-weight: 600; font-size: 15px; border-bottom: 1px solid var(--borde-fuerte); }
.proyecto-enlaces a:hover { border-color: var(--cian-claro); }
.proyecto-enlaces .ico { width: 14px; height: 14px; }
.filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.filtros button { padding: 10px 18px; border-radius: 999px; border: 1px solid var(--borde); background: transparent; color: var(--tenue); font: 600 15px/1 var(--cuerpo); cursor: pointer; transition: all 0.3s; }
.filtros button:hover { color: var(--texto); }
.filtros button[aria-pressed="true"] { background: var(--texto); color: #04121c; border-color: var(--texto); }

/* Proceso */
.pasos { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: paso; }
.pasos li { padding: 28px; border-top: 2px solid var(--borde); position: relative; }
.pasos li::before { content: ""; position: absolute; top: -2px; left: 0; width: 0; height: 2px; background: var(--grad); transition: width 1.2s var(--suave) 0.2s; }
.pasos li.visible::before { width: 100%; }
.pasos span { font: 700 14px/1 var(--display); color: var(--naranja); }
.pasos h3 { margin: 18px 0 10px; font-size: 26px; }
.pasos p { color: var(--tenue); font-size: 16px; }

/* Blog */
.articulos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.articulo-tarjeta { display: flex; flex-direction: column; padding: 28px; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); transition: border-color 0.4s, transform 0.5s var(--suave); }
.articulo-tarjeta:hover { border-color: rgba(111, 227, 255, 0.35); transform: translateY(-4px); }
.articulo-tarjeta h3 { margin: 14px 0 12px; font-size: 22px; line-height: 1.2; }
.articulo-tarjeta p { color: var(--tenue); font-size: 16px; flex: 1; }
.articulo-meta { font-size: 14px; color: var(--tenue); }
.etiquetas { display: flex; flex-wrap: wrap; gap: 6px; }
.etiquetas span { font-size: 12px; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: rgba(18, 181, 240, 0.1); color: var(--cian-claro); }

/* Encabezado de páginas internas */
.cabeza { position: relative; padding: 200px 0 80px; overflow: hidden; }
.cabeza-fondo { position: absolute; inset: -20% -10% auto; height: 120%; background: radial-gradient(ellipse 50% 50% at 75% 30%, rgba(18, 181, 240, 0.18), transparent 70%), radial-gradient(ellipse 35% 35% at 95% 10%, rgba(255, 106, 43, 0.14), transparent 70%); pointer-events: none; }
.cabeza .envoltura { position: relative; }
.cabeza h1 { max-width: 14ch; }
.cabeza-texto { max-width: 640px; font-size: clamp(18px, 1.5vw, 21px); color: #c3cfdc; }
.cabeza-texto a { color: var(--cian-claro); border-bottom: 1px solid; }

/* Página de servicio */
.servicio-hero { padding: 160px 0 40px; }
.servicio-hero-rejilla { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.servicio-hero h1 { font-size: clamp(42px, 5.4vw, 80px); }
.servicio-lienzo { position: relative; aspect-ratio: 1 / 1; border-radius: var(--radio); background: radial-gradient(circle at 50% 40%, var(--fondo-3), var(--fondo-2)); border: 1px solid var(--borde); overflow: hidden; }
.puntos { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; perspective: 1000px; }
.punto { --rx: 0deg; --ry: 0deg; padding: 28px; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); transform: rotateX(var(--rx)) rotateY(var(--ry)); transition: transform 0.5s var(--suave); }
.punto span { font: 700 14px/1 var(--display); color: var(--naranja); }
.punto h3 { margin: 22px 0 10px; }
.punto p { color: var(--tenue); font-size: 16px; margin: 0; }
.servicio-foto-rejilla { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.servicio-foto figure { margin: 0; border-radius: var(--radio); overflow: hidden; aspect-ratio: 4 / 3; }
.servicio-foto img { width: 100%; height: 100%; object-fit: cover; }
.entregables { list-style: none; padding: 0; margin: 0 0 24px; }
.entregables li { padding: 14px 0 14px 32px; border-bottom: 1px solid var(--borde); position: relative; font-size: 18px; }
.entregables li::before { content: ""; position: absolute; left: 0; top: 50%; width: 16px; height: 2px; background: var(--grad); }
.siguiente { padding-top: 0; }
.siguiente-enlace { display: flex; flex-direction: column; gap: 8px; padding: 48px 0; border-top: 1px solid var(--borde); }
.siguiente-enlace strong { display: inline-flex; align-items: center; gap: 16px; font: 700 clamp(34px, 5vw, 72px)/1 var(--display); letter-spacing: -0.02em; transition: gap 0.4s var(--suave), color 0.3s; }
.siguiente-enlace:hover strong { gap: 28px; color: var(--cian-claro); }

/* Artículo */
.lectura-cabeza { padding-top: 180px; }
.lectura-cabeza h1 { font-size: clamp(38px, 5vw, 66px); }
.lectura-foto { width: min(1100px, 100% - 40px); margin: 40px auto 56px; border-radius: var(--radio); overflow: hidden; aspect-ratio: 21 / 9; }
.lectura-foto img { width: 100%; height: 100%; object-fit: cover; }
.prosa { font-size: 20px; line-height: 1.75; color: #d3dde8; padding-bottom: 40px; }
.prosa h2 { font-size: clamp(28px, 3vw, 38px); margin: 1.8em 0 0.6em; color: var(--texto); }
.prosa h3 { margin: 1.6em 0 0.5em; color: var(--texto); }
.prosa a { color: var(--cian-claro); border-bottom: 1px solid; }
.prosa strong { color: var(--texto); }
.prosa ul, .prosa ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prosa li { margin-bottom: 0.5em; }
.prosa li::marker { color: var(--cian); }
.prosa blockquote { margin: 1.6em 0; padding: 4px 0 4px 24px; border-left: 3px solid; border-image: var(--grad) 1; font: 600 24px/1.4 var(--display); color: var(--texto); }
.prosa blockquote p { margin: 0; }
.prosa code { font-size: 0.9em; background: var(--fondo-3); padding: 2px 6px; border-radius: 6px; }

/* Estudio */
.estudio-rejilla { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(28px, 6vw, 96px); align-items: start; }
.estudio-rejilla p { color: #c3cfdc; }
.estudio-cifra strong { display: block; font: 800 clamp(110px, 16vw, 220px)/0.85 var(--display); letter-spacing: -0.05em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.estudio-cifra span { display: block; margin-top: 18px; color: var(--tenue); max-width: 260px; }
.firma { display: flex; align-items: center; gap: 16px; margin-top: 36px; }
.firma-ini { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--grad); color: #04121c; font: 800 18px/1 var(--display); }
.firma strong { display: block; }
.firma small { color: var(--tenue); font-size: 15px; }

/* Contacto */
.contacto-rejilla { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.formulario { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; padding: clamp(24px, 3vw, 40px); border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); }
.campo { display: flex; flex-direction: column; gap: 8px; }
.campo:nth-child(n + 3) { grid-column: 1 / -1; }
.campo label { font-size: 14px; font-weight: 600; color: var(--tenue); }
.campo input, .campo select, .campo textarea { font: inherit; font-size: 17px; color: var(--texto); background: var(--fondo); border: 1px solid var(--borde); border-radius: 14px; padding: 14px 16px; transition: border-color 0.3s, box-shadow 0.3s; }
.campo textarea { resize: vertical; }
.campo :is(input, select, textarea):focus { outline: none; border-color: var(--cian); box-shadow: 0 0 0 4px rgba(18, 181, 240, 0.15); }
.formulario-botones { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 12px; }
.formulario-nota { grid-column: 1 / -1; font-size: 14px; color: var(--tenue); margin: 0; }
.contacto-datos { display: grid; gap: 12px; }
.contacto-datos > * { display: flex; align-items: center; gap: 16px; padding: 22px; border-radius: 18px; background: var(--superficie); border: 1px solid var(--borde); transition: border-color 0.3s; }
.contacto-datos a:hover { border-color: var(--cian); }
.contacto-datos .ico { width: 26px; height: 26px; color: var(--cian-claro); }
.contacto-datos small { display: block; font-size: 13px; color: var(--tenue); }

/* Pie */
.pie { border-top: 1px solid var(--borde); background: linear-gradient(var(--fondo), #03060a); }
.pie-cta { text-align: center; padding: clamp(80px, 10vw, 140px) 20px; }
.pie-titulo { font-size: clamp(36px, 5.6vw, 84px); }
.pie-cta .botones { justify-content: center; margin-top: 36px; }
.pie-columnas { width: min(var(--ancho), 100% - 40px); margin-inline: auto; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 32px; padding: 56px 0; border-top: 1px solid var(--borde); }
.pie-columnas h3 { font: 600 13px/1 var(--cuerpo); letter-spacing: 0.14em; text-transform: uppercase; color: var(--tenue); margin-bottom: 18px; }
.pie-columnas ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; font-size: 16px; }
.pie-columnas a:hover { color: var(--cian-claro); }
.pie-frase { margin-top: 20px; color: var(--tenue); font-size: 16px; max-width: 300px; }
.pie-contacto li { display: flex; gap: 10px; align-items: flex-start; }
.pie-contacto .ico { margin-top: 4px; color: var(--cian); }
.pie-contacto small { color: var(--tenue); }
.pie-base { width: min(var(--ancho), 100% - 40px); margin-inline: auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 24px 0 32px; border-top: 1px solid var(--borde); font-size: 14px; color: var(--tenue); }

.whatsapp-flotante { position: fixed; right: 20px; bottom: 20px; z-index: 40; display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; box-shadow: 0 10px 30px -8px rgba(37, 211, 102, 0.6); transition: transform 0.35s var(--suave); }
.whatsapp-flotante:hover { transform: scale(1.08); }
.whatsapp-flotante .ico { width: 30px; height: 30px; }

/* Revelado al desplazarse */
.js .revelar { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--suave), transform 0.9s var(--suave); }
.js .revelar.visible { opacity: 1; transform: none; }

/* Sin WebGL: fondo de respaldo */
canvas.sin-webgl { background: radial-gradient(circle at 50% 45%, rgba(18, 181, 240, 0.25), transparent 60%); }

/* Responsivo */
@media (max-width: 1080px) {
  .puntos { grid-template-columns: repeat(2, 1fr); }
  .pasos { grid-template-columns: repeat(2, 1fr); }
  .lab-panel { grid-template-columns: 1fr; }
  .lab-pestanas { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .lab-pestanas button { flex: none; }
  .pie-columnas { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  body { font-size: 17px; }
  .nav-enlaces, .nav-cta { display: none; }
  .nav-boton { display: grid; }
  .nav.abierta { border-radius: 26px; flex-wrap: wrap; background: rgba(8, 14, 22, 0.94); border-color: var(--borde); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
  .nav.abierta .nav-enlaces { display: flex; order: 3; width: 100%; flex-direction: column; margin: 8px 0 6px; }
  .nav.abierta .nav-enlaces a { font-size: 20px; padding: 14px; }
  .nav.abierta .nav-movil-cta { display: block; background: var(--texto); color: #04121c; text-align: center; margin-top: 8px; }
  .crea-rejilla, .demo, .servicio-hero-rejilla, .servicio-foto-rejilla, .estudio-rejilla, .contacto-rejilla, .proyecto-destacado { grid-template-columns: 1fr; }
  .demo:nth-child(even) .demo-lienzo { order: 0; }
  .proyectos, .articulos { grid-template-columns: 1fr; }
  .lab-escenario { aspect-ratio: 4 / 5; }
  .lab-info { left: 12px; right: 12px; bottom: 12px; padding: 14px 16px; }
  .lab-info p:first-child { display: none; }
  .lab-info .demo-pista-txt { margin: 0; }
  .servicio-lienzo { aspect-ratio: 4 / 3; }
  .formulario { grid-template-columns: 1fr; }
  .hero { padding-top: 250px; padding-bottom: 72px; align-items: flex-end; }
  .servicio-tarjeta { min-height: 0; }
  .servicio-ico { margin: 22px 0 0; }
  .servicio-tarjeta h3 { margin-top: 22px; }
  .hero-velo { background: linear-gradient(to bottom, transparent 0%, transparent 26%, rgba(5, 9, 15, 0.8) 46%, rgba(5, 9, 15, 0.6) 75%, var(--fondo) 100%); }
  .hero-datos { margin-top: 40px; gap: 14px 24px; }
  .hero-datos dt { font-size: 26px; }
  .hero-bajar { display: none; }
}
@media (max-width: 560px) {
  .puntos, .pasos, .pie-columnas { grid-template-columns: 1fr; }
  .marquesina span { font-size: 20px; }
  .boton { padding: 15px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .js .revelar { opacity: 1; transform: none; }
}