/* Campos Ingeniería · sitio web. Lenguaje visual: plano técnico (líneas finas, cuadrícula, cordón de soldadura en amarillo).
   Regla de color: el amarillo es el cordón de soldadura y la acción principal; el resto es petróleo, acero y niebla.
   Los colores de estado (verde, naranja) viven solo dentro de las demos de Campo. */
:root {
  --petroleo: #081926;
  --petroleo-hondo: #04101A;
  --petroleo-medio: #0E2740;
  --amarillo: #E5B000;
  --acero: #4A6378;
  --niebla: #EDF1F5;
  --blanco: #FFFFFF;
  --texto-suave: #3A546B;
  --texto-claro: #CBD8E4;
  --linea: #CAD4DE;
  --linea-oscura: #182F42;
  --trazo: #9FB9CC;
  --ok-fondo: #123F31; --ok-texto: #7FE0B3; --ok-barra: #3DBE88;
  --alerta-fondo: #4A2D0A; --alerta-texto: #FFB45C; --alerta-barra: #E07B00;
  --f-titulo: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --f-texto: 'Barlow', system-ui, sans-serif;
  --f-dato: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--niebla); color: var(--petroleo); font-family: var(--f-texto); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-wrap: break-word; }
img, svg { max-width: 100%; }
a { color: inherit; text-decoration: none; }
main:focus { outline: none; }

/* foco visible: anillo doble para que se lea sobre fondos claros y oscuros */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--petroleo); outline-offset: 2px; box-shadow: 0 0 0 6px var(--amarillo);
}
.hdr a:focus-visible, .hdr button:focus-visible, .oscuro a:focus-visible, .oscuro button:focus-visible, .pie a:focus-visible, .skip:focus-visible {
  outline-color: var(--amarillo); box-shadow: none;
}

h1, h2, h3 { font-family: var(--f-titulo); font-weight: 700; text-transform: uppercase; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(44px, 6.4vw, 84px); line-height: .94; letter-spacing: .01em; }
h2 { font-size: clamp(36px, 5vw, 56px); line-height: 1; letter-spacing: .02em; }
h3 { font-size: 28px; line-height: 1.05; letter-spacing: .03em; }
p { margin: 0; }
.mono { font-family: var(--f-dato); }
.suave { color: var(--texto-suave); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 50; background: var(--amarillo); color: var(--petroleo); padding: 10px 16px; font-weight: 600; }

.eyebrow { font-family: var(--f-dato); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--acero); display: flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--amarillo); flex: none; }
.oscuro .eyebrow, .eyebrow.claro { color: var(--trazo); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 96px 24px; display: flex; flex-direction: column; gap: 48px; }
.row { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 40px 64px; }
.sh { display: flex; flex-direction: column; gap: 14px; max-width: 760px; }
.sh p { font-size: 19px; color: var(--texto-suave); }
.oscuro .sh p { color: var(--texto-claro); }
.fondo-niebla { background: var(--niebla); }
.fondo-blanco { background: var(--blanco); }
.oscuro { background: var(--petroleo); color: var(--niebla); position: relative; }
.oscuro .suave { color: var(--texto-claro); }
.cuadricula { background-image: linear-gradient(rgba(237,241,245,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(237,241,245,.07) 1px, transparent 1px); background-size: 48px 48px; }

/* encabezado */
.hdr { background: rgba(8,25,38,.94); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); color: var(--niebla); position: sticky; top: 0; z-index: 30; border-bottom: 1px solid var(--linea-oscura); }
.hdr .in { max-width: 1200px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px 32px; }
.hdr .logo img { display: block; height: 44px; width: auto; }
.hdr .logo.campo img { height: 38px; }
.nav { display: flex; align-items: center; gap: 12px 30px; font-size: 15px; }
.nav a:not(.btn) { color: var(--texto-claro); padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:not(.btn):hover, .nav a[aria-current] { color: var(--niebla); border-bottom-color: var(--amarillo); }
.nav-toggle { display: none; align-items: center; gap: 10px; min-height: 44px; padding: 0 14px; background: transparent; color: var(--niebla); border: 1px solid #5B7A93; font: inherit; font-size: 15px; font-weight: 500; cursor: pointer; }
.nav-toggle i { display: block; width: 18px; height: 2px; background: currentColor; box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor; }

/* botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: inherit; font-size: 17px; font-weight: 600; padding: 15px 26px; border: 2px solid var(--amarillo); cursor: pointer; background: var(--amarillo); color: var(--petroleo); line-height: 1.2; transition: background .15s, border-color .15s; }
.btn.chico { font-size: 15px; padding: 9px 18px; }
.btn:hover { background: #F4C21A; border-color: #F4C21A; }
.btn.borde { background: transparent; border: 2px solid #5B7A93; color: var(--niebla); font-weight: 500; }
.btn.borde:hover { border-color: var(--niebla); background: transparent; }
.btn.borde.oscuro-sobre-claro { background: var(--petroleo); border-color: var(--petroleo); color: var(--niebla); }
.btn.borde.oscuro-sobre-claro:hover { background: var(--petroleo-medio); border-color: var(--petroleo-medio); }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* hero */
.hero { overflow: hidden; }
.hero .wrap { padding-top: 56px; padding-bottom: 0; gap: 40px; }
.hero .cabeza { display: flex; flex-wrap: wrap; gap: 32px 64px; align-items: flex-end; justify-content: space-between; }
.hero h1 { flex: 1 1 520px; min-width: 0; }
.hero h1 .acento { color: var(--amarillo); }
.hero .lado { flex: 0 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.hero .lead { font-size: 20px; line-height: 1.5; color: var(--niebla); }
.plano { width: min(100%, max(640px, calc(46vh * 2.222 + 24px))); margin-inline: auto; border: 1px solid var(--linea-oscura); background: rgba(4,16,26,.78); padding: 12px 12px 0; position: relative; }
.plano svg { display: block; width: 100%; height: auto; }
.plano .pie-plano { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; padding: 12px 6px 14px; font-family: var(--f-dato); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--trazo); border-top: 1px solid var(--linea-oscura); margin-top: 4px; }
.plano .esq { position: absolute; width: 14px; height: 14px; border: 0 solid var(--amarillo); }
.plano .esq.a { top: -1px; left: -1px; border-top-width: 3px; border-left-width: 3px; }
.plano .esq.b { top: -1px; right: -1px; border-top-width: 3px; border-right-width: 3px; }
.plano .esq.c { bottom: -1px; left: -1px; border-bottom-width: 3px; border-left-width: 3px; }
.plano .esq.d { bottom: -1px; right: -1px; border-bottom-width: 3px; border-right-width: 3px; }
.plano .leyenda { display: none; }
/* el caudal corre unos segundos y queda quieto (WCAG 2.2.2) */
.flujo { stroke-dasharray: 10 16; animation: flujo 1.6s linear 3; }
@keyframes flujo { to { stroke-dashoffset: -26; } }

.datos-fila { border-top: 1px solid var(--linea-oscura); background: var(--petroleo-hondo); margin-top: 0; position: relative; }
.datos-fila .in { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.dato { padding: 26px 24px; display: flex; flex-direction: column; gap: 4px; border-left: 1px solid var(--linea-oscura); }
.dato:first-child { border-left: 0; }
.dato b { font-family: var(--f-titulo); font-size: 40px; line-height: 1; text-transform: uppercase; color: var(--niebla); letter-spacing: .02em; }
.dato span { font-size: 15px; color: var(--texto-claro); }
.hero .wrap + .datos-fila { margin-top: 48px; }
.dato b span { font-size: inherit; color: inherit; }

/* servicios */
.g2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); gap: 24px; }
.servicio { background: var(--blanco); border: 1px solid var(--linea); padding: 36px; display: flex; flex-direction: column; gap: 20px; position: relative; }
.servicio.oscuro { background: var(--petroleo); border-color: var(--petroleo); }
.servicio .ico { width: 56px; height: 56px; display: grid; place-items: center; background: var(--petroleo); color: var(--amarillo); }
.servicio.oscuro .ico { background: var(--amarillo); color: var(--petroleo); }
.servicio .ico svg { width: 30px; height: 30px; }
.servicio h3 { font-size: 40px; line-height: 1; }
.servicio .desc { color: var(--texto-suave); font-size: 18px; }
.servicio.oscuro .desc { color: var(--texto-claro); }
.checks { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 10px; border-top: 1px solid var(--linea); padding-top: 20px; }
.servicio.oscuro .checks { border-top-color: var(--linea-oscura); }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks li::before { content: ""; width: 18px; height: 18px; flex: none; margin-top: 4px; background: var(--amarillo); clip-path: polygon(0 0, 100% 50%, 0 100%); }
.checks li > span:not(.tag) { min-width: 0; }

/* etiquetas: "en desarrollo" y "datos de ejemplo" son neutras; el estado real vive solo en las demos de Campo */
.tag { font-family: var(--f-dato); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; white-space: nowrap; display: inline-block; vertical-align: middle; line-height: 1.5; }
.tag.dev, .tag.pronto { background: transparent; color: inherit; border: 1px solid currentColor; }
.tag.ejemplo { background: transparent; color: var(--texto-claro); border: 1px solid #5B7A93; letter-spacing: .08em; }
.tag.ok { background: var(--ok-fondo); color: var(--ok-texto); }
.tag.alerta { background: var(--alerta-fondo); color: var(--alerta-texto); }

/* equipos */
.equipos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (min-width: 1040px) { .equipos { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 559px) { .equipos { grid-template-columns: 1fr; } }
.equipo { background: var(--niebla); border: 1px solid var(--linea); display: flex; flex-direction: column; }
.equipo .dibujo { background: var(--blanco); border-bottom: 1px solid var(--linea); padding: 14px 10px 6px; background-image: linear-gradient(rgba(8,25,38,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(8,25,38,.07) 1px, transparent 1px); background-size: 20px 20px; }
.equipo .dibujo svg { display: block; width: 100%; height: auto; }
.equipo .info { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.equipo h3 { font-size: 26px; }
.equipo p { font-size: 15.5px; color: var(--texto-suave); }
.equipo .mas { margin-top: auto; padding-top: 12px; align-self: flex-start; font-family: var(--f-dato); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.equipo .mas span { border-bottom: 2px solid var(--amarillo); padding-bottom: 2px; }
.equipo .mas:hover span { border-bottom-color: var(--petroleo); }

/* proceso */
.proceso { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 32px 28px; position: relative; }
.etapa { position: relative; padding-top: 44px; display: flex; flex-direction: column; gap: 10px; }
.etapa::before { content: ""; position: absolute; top: 15px; left: 0; right: -28px; height: 4px; background: var(--petroleo); }
.etapa:last-child::before { right: 0; }
.etapa::after { content: ""; position: absolute; top: 6px; left: 0; width: 22px; height: 22px; background: var(--amarillo); border: 4px solid var(--niebla); border-radius: 50%; box-shadow: 0 0 0 2px var(--petroleo); }
.etapa h3 { font-size: 30px; }
.etapa p { color: var(--texto-suave); }

/* nosotros */
.cifra { font-family: var(--f-titulo); font-weight: 700; font-size: clamp(120px, 20vw, 220px); line-height: .8; color: var(--petroleo); letter-spacing: -.01em; display: flex; align-items: flex-start; gap: 6px; }
.cifra span { color: var(--acero); font-size: .45em; line-height: 1; margin-top: .06em; }
.cifra i { font-style: normal; }
.valores { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 24px; width: 100%; }
.valor { border-top: 4px solid var(--petroleo); padding-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.valor h3, .beneficio h3, .tecnico h3 { font-family: var(--f-texto); text-transform: none; font-size: 21px; font-weight: 600; letter-spacing: 0; line-height: 1.3; }
.valor span { color: var(--texto-suave); }

/* galería (aparece sola cuando agregás fotos en assets/fotos) */
.galeria { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 16px; }
.galeria figure { margin: 0; position: relative; background: var(--petroleo); aspect-ratio: 4 / 3; overflow: hidden; }
.galeria img { width: 100%; height: 100%; object-fit: cover; display: block; }
.galeria figcaption { position: absolute; left: 0; bottom: 0; right: 0; padding: 28px 16px 12px; color: var(--niebla); font-family: var(--f-dato); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; background: linear-gradient(transparent, rgba(4,16,26,.85)); }

/* Campo en la web de la empresa */
.campo-banda { display: flex; flex-wrap: wrap; gap: 48px 64px; align-items: center; }
.campo-banda .txt { flex: 1 1 380px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.campo-banda .txt p { font-size: 20px; color: var(--texto-claro); max-width: 52ch; }
.campo-banda .arte { flex: 1 1 380px; min-width: 0; display: flex; justify-content: center; }
.campo-banda .dispositivos { justify-content: flex-start; }
.campo-banda .tablero { flex: 1 1 300px; max-width: 420px; }

/* pantalla y celular de ejemplo (demo de Campo) */
.tablero { background: var(--petroleo-hondo); border: 1px solid var(--linea-oscura); padding: 20px; display: flex; flex-direction: column; gap: 14px; min-width: 0; width: 100%; margin: 0; }
.tablero .top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.tablero .top .mono { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--texto-claro); }
.tarjetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); gap: 12px; }
.lectura { background: var(--petroleo); padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.lectura .l1 { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.lectura .l1 span:first-child { font-size: 14px; color: var(--texto-claro); }
.lectura .v { font-family: var(--f-dato); font-size: 32px; line-height: 1; color: var(--niebla); }
.lectura .v small { font-size: 14px; color: var(--texto-claro); }
.barra { height: 6px; background: var(--petroleo-hondo); }
.barra i { display: block; height: 6px; background: var(--ok-barra); transition: width .8s; }
.barra i.alerta { background: var(--alerta-barra); }
.grafico { background: var(--petroleo); padding: 14px 14px 8px; }
.grafico .t { display: flex; justify-content: space-between; font-family: var(--f-dato); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--texto-claro); margin-bottom: 6px; gap: 8px; flex-wrap: wrap; }
.grafico .t .lim { color: var(--alerta-texto); }
.grafico svg { display: block; width: 100%; height: auto; }
.celular { width: 250px; flex: none; background: #0A171C; border: 8px solid #243842; border-radius: 36px; padding: 18px 12px 20px; display: flex; flex-direction: column; gap: 10px; box-shadow: 0 24px 60px rgba(0,0,0,.35); margin: 0; }
.celular .hora { text-align: center; font-family: var(--f-dato); font-size: 12px; color: var(--texto-claro); letter-spacing: .08em; }
.celular .nota { background: #16303B; border-radius: 14px; padding: 12px 14px; display: flex; flex-direction: column; gap: 4px; }
.celular .nota .de { display: flex; justify-content: space-between; font-size: 12px; color: var(--texto-claro); letter-spacing: .06em; text-transform: uppercase; }
.celular .nota b { font-size: 15px; color: var(--niebla); line-height: 1.3; }
.celular .nota span.s { font-size: 14px; color: var(--texto-claro); }
.celular .nota.alerta { border-left: 4px solid var(--alerta-barra); }
.celular .nota.ok { border-left: 4px solid var(--ok-barra); }
.dispositivos { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; justify-content: center; width: 100%; }
.dispositivos .tablero { flex: 1 1 380px; }

/* beneficios, tarjetas y bloques de Campo */
.g-cinco { display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px; }
.g-cinco > * { grid-column: span 2; }
.g-cinco > :nth-child(n+4) { grid-column: span 3; }
.g3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; }
.beneficio { display: flex; flex-direction: column; gap: 12px; }
.beneficio .ico { width: 52px; height: 52px; background: var(--petroleo); color: var(--amarillo); display: grid; place-items: center; }
.beneficio .ico svg { width: 28px; height: 28px; }
.beneficio span { color: var(--texto-suave); }
.titulo-fila { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.titulo-fila.separado { justify-content: space-between; }
.card { background: var(--blanco); border: 1px solid var(--linea); padding: 28px; display: flex; flex-direction: column; gap: 10px; border-top: 4px solid var(--petroleo); }
.card h3 { font-size: 28px; }
.paso { border-top: 4px solid var(--petroleo); padding-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.panel { background: var(--niebla); padding: 30px; display: flex; flex-direction: column; gap: 14px; }
.panel h3 { font-size: 36px; line-height: 1; }
.panel ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; color: var(--texto-suave); }
.panel.oscuro { background: var(--petroleo); color: var(--niebla); }
.panel.oscuro ul { color: var(--texto-claro); }
.subtitulo-chips { font-family: var(--f-dato); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--trazo); margin: 0 0 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { display: flex; align-items: center; gap: 10px; border: 1px solid var(--linea-oscura); padding: 10px 14px; background: rgba(4,16,26,.5); }
.chip b { font-weight: 600; }
.tecnico { border-top: 1px solid var(--linea-oscura); padding-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.tecnico h3 { color: var(--niebla); }
.tecnico span { color: var(--texto-claro); }
.tecnico.destacado { border-top: 3px solid var(--amarillo); }
.quien { display: flex; flex-direction: column; gap: 16px; }
.quien p { font-size: 19px; }
.link-flecha { font-family: var(--f-dato); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; border-bottom: 2px solid var(--amarillo); align-self: flex-start; padding-bottom: 2px; }

/* contacto */
.contacto-datos { flex: 1 1 340px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.contacto-datos > p { font-size: 19px; }
.datos { font-family: var(--f-dato); font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.datos a { border-bottom: 1px dashed var(--acero); }
form.contacto { flex: 1 1 420px; min-width: 0; background: var(--blanco); border: 1px solid var(--linea); border-top: 4px solid var(--petroleo); padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.campo { display: flex; flex-direction: column; gap: 6px; }
.campo label { font-size: 14px; font-weight: 600; }
.campo label abbr { text-decoration: none; color: var(--texto-suave); font-weight: 500; }
.campo input, .campo select, .campo textarea { font-family: inherit; font-size: 16px; padding: 12px; border: 1px solid var(--acero); background: var(--blanco); color: var(--petroleo); width: 100%; border-radius: 0; }
.campo textarea { resize: vertical; }
.nota-form { font-size: 14px; color: var(--texto-suave); }
.envio { display: flex; flex-wrap: wrap; gap: 12px; }
#estado { font-size: 14px; color: var(--texto-suave); min-height: 1.4em; }

/* pie */
.pie { background: var(--petroleo-hondo); color: var(--texto-claro); }
.pie .in { max-width: 1200px; margin: 0 auto; padding: 40px 24px 96px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; font-size: 14px; }
.pie img { height: 40px; width: auto; display: block; }
.pie .mono { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.pie nav { display: flex; gap: 8px 24px; flex-wrap: wrap; }
.pie nav a { padding: 8px 0; }
.pie nav a:hover { color: var(--niebla); }
.datos a { display: inline-block; padding: 4px 0; }

/* barra de avance de lectura */
.progreso { position: fixed; top: 0; left: 0; right: 0; height: 3px; background: var(--amarillo); transform-origin: left; transform: scaleX(0); z-index: 60; pointer-events: none; }

/* línea del proceso que se dibuja al llegar */
.js .etapa::before { transform: scaleX(0); transform-origin: left; transition: transform .9s cubic-bezier(.2,.7,.2,1) .15s; }
.js .etapa.in::before { transform: none; }

/* fotos que se destapan */
.js .galeria figure img { clip-path: inset(0 100% 0 0); transition: clip-path 1s cubic-bezier(.2,.7,.2,1); }
.js .galeria figure.in img { clip-path: inset(0); }

.acento { color: var(--amarillo); }

/* botón flotante de WhatsApp: blanco con borde petróleo, para no competir con el botón principal */
.wa-flotante { position: fixed; right: 18px; bottom: 18px; z-index: 40; display: inline-flex; align-items: center; gap: 8px; background: var(--blanco); color: var(--petroleo); border: 2px solid var(--petroleo); font-weight: 600; font-size: 15px; padding: 10px 16px; min-height: 44px; box-shadow: 0 6px 20px rgba(4,16,26,.35); }
.wa-flotante:hover { background: var(--niebla); }
.wa-flotante:focus-visible { outline-color: var(--amarillo); box-shadow: 0 0 0 6px var(--petroleo); }

/* aparición suave al desplazarse */
.js .rv { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .rv.in { opacity: 1; transform: none; }

/* ===== Portada ===== */
.hero .wrap { padding-bottom: 96px; }
.hero-fila { display: flex; flex-wrap: wrap; align-items: center; gap: 40px 64px; }
.hero-texto { flex: 1 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.hero-texto .lead { font-size: 20px; line-height: 1.5; color: var(--niebla); max-width: 52ch; }
.hero-arte { flex: 0 1 340px; min-width: 0; display: flex; justify-content: center; }
.hero-arte img { width: min(100%, 340px); height: auto; display: block; }
.hero-fila { display: grid; grid-template-columns: minmax(0, 1fr) 340px; column-gap: 64px; row-gap: 24px; align-items: center; }
.hero-cab, .hero-pie { display: flex; flex-direction: column; gap: 24px; min-width: 0; grid-column: 1; }
.hero-arte { grid-column: 2; grid-row: 1; flex: none; align-self: start; }
.hero-pie { grid-row: 2; }
.hero-pie .lead { font-size: 20px; line-height: 1.5; color: var(--niebla); max-width: 52ch; }
@media (max-width: 900px) {
  .hero-fila { grid-template-columns: minmax(0, 1fr); }
  .hero-arte { grid-column: 1; grid-row: auto; justify-content: flex-start; }
  .hero-arte img { width: 120px; }
  .hero-pie { grid-row: auto; }
}

/* ===== Servicios (tarjetas sin lista) ===== */
.servicio h3 { font-size: 34px; }
.servicio .mas { margin-top: auto; padding-top: 8px; align-self: flex-start; font-family: var(--f-dato); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.servicio .mas span:first-child { border-bottom: 2px solid var(--amarillo); padding-bottom: 2px; }
.servicio .mas:hover span:first-child { border-bottom-color: var(--petroleo); }
.fondo-blanco .etapa::after { border-color: var(--blanco); }
.proceso { overflow-x: clip; }

/* ===== Logo animado de la portada ===== */
.logo-anim { display: flex; align-items: center; justify-content: center; gap: 16px; color: var(--niebla); }
.logo-anim svg { width: 96px; height: 96px; flex: none; }
.la-nombre { font-family: var(--f-titulo); font-weight: 700; font-size: 52px; line-height: .9; letter-spacing: .05em; text-transform: uppercase; margin: 0; text-align: left; }
.la-sub { font-family: var(--f-titulo); font-weight: 600; font-size: 15px; letter-spacing: .4em; text-transform: uppercase; margin: 6px 0 0; text-align: left; }
@media (max-width: 900px) { .logo-anim { justify-content: flex-start; } .logo-anim svg { width: 72px; height: 72px; } .la-nombre { font-size: 40px; } .la-sub { font-size: 12px; } }

/* logo animado del encabezado */
.hero-fila { grid-template-columns: minmax(0, 1fr); }
.hero-cab h1 { flex: none; }
.logo-cab { justify-content: flex-start; gap: 14px; }
.logo-cab svg { width: 58px; height: 58px; }
.logo-cab .la-nombre, .logo-cab .la-sub { display: block; }
.logo-cab .la-nombre { font-size: 36px; }
.logo-cab .la-sub { font-size: 11px; margin-top: 4px; }
@media (max-width: 720px) { .logo-cab svg { width: 46px; height: 46px; } .logo-cab .la-nombre { font-size: 28px; } .logo-cab .la-sub { font-size: 9px; } .logo-cab { gap: 10px; } }

/* ===== Pantalla de entrada ===== */
.intro { display: none; position: fixed; inset: 0; z-index: 100; background: var(--petroleo); align-items: center; justify-content: center; transition: opacity .6s ease; overflow: hidden; }
.intro > canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.intro > canvas.malla { opacity: .6; }
.intro-logo { position: relative; z-index: 1; }
.intro-activo .intro { display: flex; }
.intro-activo body { overflow: hidden; }
.intro.salir { opacity: 0; pointer-events: none; }
.intro-logo { display: flex; align-items: center; gap: clamp(14px, 3vw, 24px); padding: 0 24px; }
.intro-anillo { width: clamp(84px, 18vw, 130px); height: auto; flex: none; }
.intro-nombre { font-family: var(--f-titulo); font-weight: 700; font-size: clamp(40px, 9vw, 68px); line-height: .9; letter-spacing: .05em; text-transform: uppercase; margin: 0; color: var(--niebla); text-align: left; }
.intro-sub { font-family: var(--f-titulo); font-weight: 600; font-size: clamp(13px, 3vw, 20px); letter-spacing: .4em; text-transform: uppercase; margin: 8px 0 0; color: var(--niebla); text-align: left; }
.intro:not(.listo) .intro-texto, .intro:not(.listo) .intro-anillo path { opacity: 0; }
.intro-saltar { position: absolute; z-index: 1; right: 20px; bottom: 20px; min-height: 44px; padding: 8px 18px; background: transparent; color: var(--texto-claro); border: 1px solid #5B7A93; font: inherit; font-size: 14px; cursor: pointer; }
.intro-saltar:hover { color: var(--niebla); border-color: var(--niebla); }
.intro-activo .pal { animation-play-state: paused; }
@media (prefers-reduced-motion: reduce) { .intro { display: none !important; } }

/* ===== Dos áreas: listas con título y descripción ===== */
.areas { gap: 24px; }
.areas .servicio h3 { font-size: 36px; }
.items { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.items li { border-top: 1px solid var(--linea); padding: 14px 0; display: flex; flex-direction: column; gap: 2px; }
.items b { font-size: 17px; font-weight: 600; }
.items span { color: var(--texto-suave); font-size: 15.5px; line-height: 1.5; }
.servicio.oscuro .items li { border-top-color: var(--linea-oscura); }
.servicio.oscuro .items span { color: var(--texto-claro); }
.areas .servicio .btns { gap: 24px; margin-top: auto; }

/* ===== Efectos (motion-primitives, UI Layouts, Canvas UI, Paper Shaders, Cursify) ===== */
.pal { display: inline-block; animation: pal .75s cubic-bezier(.2,.7,.2,1) both; }
@keyframes pal { from { opacity: 0; filter: blur(8px); transform: translateY(16px); } to { opacity: 1; filter: blur(0); transform: none; } }
.hex-host { position: relative; overflow: hidden; }
.hex-host > canvas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hex-host > canvas.malla { width: 100%; height: 100%; opacity: .6; }
.hex-host > *:not(canvas) { position: relative; z-index: 1; }
.foco { position: relative; overflow: hidden; }
.foco::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s; background: radial-gradient(280px circle at var(--mx, 50%) var(--my, 50%), rgba(229,176,0,.16), transparent 70%); }
.foco:hover::after { opacity: 1; }
@property --ang { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
.btn.trail { position: relative; }
.btn.trail::before { content: ""; position: absolute; inset: -2px; padding: 2px; background: conic-gradient(from var(--ang), transparent 0 72%, var(--amarillo) 88%, transparent 100%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); mask-composite: exclude; animation: giro 3.4s linear infinite; pointer-events: none; }
@keyframes giro { to { --ang: 360deg; } }
.btn:not(.borde) { position: relative; overflow: hidden; }
.btn:not(.borde)::after { content: ""; position: absolute; top: 0; left: -70%; width: 45%; height: 100%; background: linear-gradient(100deg, transparent, rgba(255,255,255,.5), transparent); transform: skewX(-20deg); transition: left .7s ease; pointer-events: none; }
.btn:not(.borde):hover::after { left: 130%; }
.pausa { position: fixed; left: 18px; bottom: 18px; z-index: 40; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 14px; background: var(--blanco); color: var(--petroleo); border: 2px solid var(--petroleo); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; box-shadow: 0 6px 20px rgba(4,16,26,.35); }
.pausa:hover { background: var(--niebla); }
.quieto .pal, .quieto .btn.trail::before { animation: none; }

/* ===== Qué es IoT ===== */
.iot { border: 1px solid var(--linea-oscura); border-left: 3px solid var(--amarillo); background: rgba(4,16,26,.55); padding: 16px 18px; display: flex; flex-direction: column; gap: 6px; max-width: 58ch; }
.iot b { font-family: var(--f-dato); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--trazo); font-weight: 500; }
.iot p, .campo-banda .txt .iot p { font-size: 16px; line-height: 1.55; color: var(--texto-claro); }
.iot a { color: var(--niebla); text-decoration: underline; text-decoration-color: var(--amarillo); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.iot a:hover { text-decoration-color: var(--niebla); }

/* ===== Capturas reales de Campo ===== */
.captura { margin: 0; background: var(--petroleo-hondo); border: 1px solid var(--linea-oscura); box-shadow: 0 24px 60px rgba(0,0,0,.35); overflow: hidden; display: flex; flex-direction: column; min-width: 0; }
.captura[hidden] { display: none; }
.captura img { display: block; width: 100%; height: auto; }
.captura figcaption { font-family: var(--f-dato); font-size: 12px; letter-spacing: .06em; color: var(--texto-claro); padding: 12px 16px; border-top: 1px solid var(--linea-oscura); }
.ventana { display: flex; gap: 6px; padding: 10px 14px; background: #08131C; border-bottom: 1px solid var(--linea-oscura); }
.ventana i { width: 10px; height: 10px; border-radius: 50%; background: #2A4358; }
.campo-banda .txt { flex: 1 1 360px; }
.campo-banda .arte { flex: 1.5 1 480px; }
.visor { display: flex; flex-direction: column; gap: 20px; margin-top: 8px; }
.visor [role="tablist"] { display: flex; flex-wrap: wrap; gap: 8px; }
.visor [role="tab"] { font: inherit; font-size: 15px; font-weight: 500; padding: 8px 16px; min-height: 44px; background: transparent; color: var(--texto-claro); border: 2px solid var(--linea-oscura); cursor: pointer; }
.visor [role="tab"]:hover { border-color: var(--trazo); color: var(--niebla); }
.visor [role="tab"][aria-selected="true"] { background: var(--amarillo); border-color: var(--amarillo); color: var(--petroleo); font-weight: 600; }
.visor:not(:has([role="tablist"])) .captura + .captura { margin-top: 20px; }

@media (max-width: 1099px) {
  .g-cinco { grid-template-columns: repeat(6, 1fr); }
}
@media (min-width: 1100px) {
  .g-cinco { grid-template-columns: repeat(5, 1fr); }
  .g-cinco > *, .g-cinco > :nth-child(n+4) { grid-column: span 1; }
}
@media (max-width: 759px) {
  .g-cinco { grid-template-columns: 1fr; }
  .g-cinco > *, .g-cinco > :nth-child(n+4) { grid-column: auto; }
}
@media (max-width: 720px) {
  .js .nav-toggle { display: inline-flex; }
  .js .nav:not(.abierto) { display: none; }
  .js .nav.abierto { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--petroleo); padding: 8px 24px 20px; border-bottom: 1px solid var(--linea-oscura); }
  .js .nav.abierto a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--linea-oscura); font-size: 17px; }
  .js .nav.abierto .btn { margin-top: 16px; }
  .nav { flex-wrap: wrap; justify-content: flex-end; }
  .wrap { padding-block: 64px; gap: 36px; }
  .hero .wrap { padding-top: 40px; }
  .hero .btns .btn { flex: 1 1 100%; }
  .servicio { padding: 26px; }
  .dato { border-left: 0; border-top: 1px solid var(--linea-oscura); padding: 18px 24px; }
  .dato:first-child { border-top: 0; }
  .etapa::before { right: 0; }
  .plano svg text, .plano svg .rotulos { display: none; }
  .plano .leyenda { display: flex; flex-wrap: wrap; gap: 6px 4px; list-style: none; margin: 0; padding: 12px 6px 2px; font-family: var(--f-dato); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--niebla); }
  .plano .leyenda li + li::before { content: "→"; color: var(--amarillo); margin-right: 4px; }
  .hdr .logo img { height: 38px; }
  .hdr .logo.campo img { height: 34px; }
  .cifra { font-size: clamp(110px, 38vw, 160px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .flujo { animation: none; }
  .js .etapa::before { transform: none; transition: none; }
  .js .galeria figure img { clip-path: none; transition: none; }
  .js .rv { opacity: 1; transform: none; transition: none; }
  .btn, .barra i { transition: none; }
}
@media (forced-colors: active) {
  .btn { border: 2px solid ButtonText; }
  .eyebrow::before { background: CanvasText; }
}

/* ===== Ajustes de forma: portada a pantalla completa, encabezado más oscuro, botones redondeados ===== */
.hdr { background: var(--petroleo-hondo); -webkit-backdrop-filter: none; backdrop-filter: none; }
.js .nav.abierto { background: var(--petroleo-hondo); }
.hero { min-height: calc(100vh - 88px); min-height: calc(100svh - 88px); display: flex; flex-direction: column; justify-content: center; }
.hero > .wrap { width: 100%; }
@media (max-width: 720px) { .hero { min-height: calc(100vh - 74px); min-height: calc(100svh - 74px); } }
.btn { border-radius: 10px; padding: 15px 30px; }
.btn.chico { padding: 10px 22px; }
.btn:not(.borde) { box-shadow: 0 8px 22px -8px rgba(229, 176, 0, .55); }
.btn.borde { border-width: 1.5px; }
.btn.trail::before { border-radius: inherit; }
.visor [role="tab"], .wa-flotante, .intro-saltar, .nav-toggle { border-radius: 10px; }

/* ===== La empresa (se abre desde el menú) ===== */
.empresa-panel { background: var(--petroleo-hondo); color: var(--niebla); padding: 36px 40px; display: flex; flex-direction: column; gap: 16px; }
.empresa-panel p { font-size: 19px; line-height: 1.6; color: var(--texto-claro); max-width: 72ch; }
.empresa-panel h3 { font-size: 36px; color: var(--niebla); letter-spacing: .03em; margin: 6px 0 0; }
.pilares-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 24px; }
.pilar { background: var(--blanco); border: 1px solid var(--linea); padding: 40px 28px 32px; position: relative; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 10px; overflow: hidden; }
.pilar::before { content: ""; position: absolute; top: 0; left: 0; width: 56px; height: 56px; background: var(--petroleo); clip-path: polygon(0 0, 100% 0, 0 100%); }
.pilar svg { width: 76px; height: 76px; }
.pilar h3 { font-size: 30px; }
.pilar h4 { font-family: var(--f-texto); font-size: 21px; font-weight: 600; margin: 4px 0 0; color: var(--petroleo); line-height: 1.3; }
.pilar p { color: var(--texto-suave); font-size: 16.5px; max-width: 34ch; }
@media (max-width: 720px) { .empresa-panel { padding: 26px 22px; } .empresa-panel h3 { font-size: 30px; } }

/* lo oculto con el atributo hidden nunca se muestra, aunque otra regla le ponga display */
[hidden] { display: none !important; }



/* ===== Contacto: cada frase del título en una sola línea ===== */
#contacto .contacto-datos { container-type: inline-size; }
#contacto .contacto-datos h2 { font-size: 28px; font-size: min(7.05cqw, 42px); white-space: nowrap; }

/* ===== Campo: Soluciones ===== */
.sol-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; }
.sol-card { background: var(--niebla); padding: 28px; border: 1px solid var(--linea); }
.sol-card > span { font-size: 18px; line-height: 1.55; color: var(--petroleo); }
.enlace-iot { font-weight: 600; text-decoration: underline; text-decoration-color: var(--amarillo); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.sol-cierre { background: var(--petroleo-hondo); color: var(--niebla); padding: 36px 40px; font-family: var(--f-titulo); font-weight: 700; font-size: clamp(26px, 3.4vw, 38px); line-height: 1.15; letter-spacing: .02em; text-transform: uppercase; max-width: none; }
@media (max-width: 720px) { .sol-cierre { padding: 26px 22px; } }

/* Campo: el titular no se estira dentro de la columna */
.hero-texto h1 { flex: none; }

/* ===== Campo: portada con tablet ===== */
.hero-fila.dos { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); column-gap: 56px; align-items: center; }
.hero-visual { position: relative; aspect-ratio: 5 / 4; max-height: 540px; width: 100%; overflow: hidden; border-radius: 14px; background: var(--petroleo-hondo); }
.hero-visual .fondo-planta { position: absolute; width: 178%; max-width: none; height: auto; left: -32.8%; top: -41.4%; filter: blur(7px) brightness(.72) saturate(.95); }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 55%, rgba(4,16,26,0) 35%, rgba(4,16,26,.55) 100%); pointer-events: none; }
.hero-visual .tablet { position: absolute; z-index: 1; left: 50%; top: 52%; width: 76%; transform: translate(-50%, -50%) rotate(-4deg); border: 11px solid #0A141B; border-radius: 26px; background: #0A141B; box-shadow: 0 34px 70px rgba(0, 0, 0, .65), 0 0 0 2px #223341; overflow: hidden; }
.hero-visual .tablet img { display: block; width: 100%; height: auto; }
.hero-visual .tablet::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255, 255, 255, .16) 0, rgba(255, 255, 255, 0) 34%); pointer-events: none; }
@media (max-width: 900px) { .hero-fila.dos { grid-template-columns: minmax(0, 1fr); row-gap: 32px; } .hero-visual { max-height: 380px; } }

/* Campo: foto de la portada, con la tablet enfocada y el resto de la escena de fondo */
.hero-visual .foto-hero { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 34% 50%; display: block; }
.hero-visual::after { background: radial-gradient(ellipse at 40% 50%, rgba(4,16,26,0) 45%, rgba(4,16,26,.5) 100%); }

/* ===== Campo: logo animado del encabezado ===== */
.hdr .logo.campo svg { display: block; height: 46px; width: auto; }
@media (max-width: 900px) { .hdr .logo.campo svg { height: 38px; } }

/* ===== Campo: foto del hero con tarjetas flotantes ===== */
.hero-visual { overflow: visible; border-radius: 0; background: none; }
.hero-visual::after { content: none; }
.foto-marco { position: absolute; inset: 0; overflow: hidden; border-radius: 14px; background: var(--petroleo-hondo); }
.foto-marco::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 40% 50%, rgba(4,16,26,0) 45%, rgba(4,16,26,.5) 100%); pointer-events: none; }
.fl { position: absolute; z-index: 2; background: #EEF1F4; color: var(--petroleo); border-radius: 10px; box-shadow: 0 18px 40px rgba(0,0,0,.4); animation: fl-entra .8s cubic-bezier(.2,.7,.2,1) backwards, fl-flota 7s ease-in-out infinite; }
.fl-dona { left: -30px; top: -26px; width: 104px; padding: 8px 8px 10px; text-align: center; animation-delay: .5s, 1.3s; }
.fl-dona svg { display: block; width: 100%; height: auto; }
.fl-dona text { font: 700 21px var(--f-titulo); fill: var(--petroleo); }
.fl-dona .fl-arco { animation: fl-arco 1.4s cubic-bezier(.3,.7,.2,1) .9s backwards; }
.fl-dona span { display: block; font: 500 11px var(--f-dato); letter-spacing: .08em; text-transform: uppercase; margin-top: 2px; }
.fl-candado { left: 52px; top: 84px; width: 62px; height: 62px; background: var(--amarillo); display: grid; place-items: center; animation-delay: .75s, 1.8s; }
.fl-candado svg { width: 34px; height: 34px; }
.fl-barras { right: 14px; bottom: -28px; width: 230px; padding: 12px 14px 10px; animation-delay: 1s, 2.2s; }
.fl-cab { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-family: var(--f-dato); }
.fl-cab span { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: #4B5E6D; }
.fl-cab b { font-family: var(--f-titulo); font-size: 21px; line-height: 1; letter-spacing: .01em; }
.fl-cols { display: flex; align-items: flex-end; gap: 6px; height: 64px; margin-top: 10px; }
.fl-cols i { flex: 1; height: var(--h); background: #1C3A52; border-radius: 2px 2px 0 0; transform-origin: bottom; animation: fl-barra .8s cubic-bezier(.2,.7,.2,1) backwards; }
.fl-cols i.act { background: var(--amarillo); }
.fl-cols i:nth-child(1) { animation-delay: 1.3s; } .fl-cols i:nth-child(2) { animation-delay: 1.38s; } .fl-cols i:nth-child(3) { animation-delay: 1.46s; } .fl-cols i:nth-child(4) { animation-delay: 1.54s; } .fl-cols i:nth-child(5) { animation-delay: 1.62s; } .fl-cols i:nth-child(6) { animation-delay: 1.7s; } .fl-cols i:nth-child(7) { animation-delay: 1.78s; }
.fl-dias { display: flex; gap: 6px; margin-top: 4px; font: 500 10px var(--f-dato); color: #4B5E6D; }
.fl-dias span { flex: 1; text-align: center; }
.fl-alarma { right: 14px; top: -20px; display: flex; align-items: center; gap: 10px; padding: 9px 14px 9px 12px; animation-delay: 1.2s, 2.6s; }
.fl-alarma .pto { width: 10px; height: 10px; border-radius: 50%; background: #D9482B; flex: none; box-shadow: 0 0 0 0 rgba(217,72,43,.5); animation: fl-pulso 2s ease-out infinite; }
.fl-alarma b { display: block; font: 700 17px/1 var(--f-titulo); letter-spacing: .02em; text-transform: uppercase; }
.fl-alarma div span { display: block; font: 500 10.5px var(--f-dato); color: #4B5E6D; margin-top: 3px; }
@keyframes fl-entra { from { opacity: 0; translate: 0 18px; } }
@keyframes fl-flota { 50% { transform: translateY(-6px); } }
@keyframes fl-arco { from { stroke-dashoffset: 188.5; } }
@keyframes fl-barra { from { transform: scaleY(0); } }
@keyframes fl-pulso { 70% { box-shadow: 0 0 0 9px rgba(217,72,43,0); } 100% { box-shadow: 0 0 0 0 rgba(217,72,43,0); } }
@media (prefers-reduced-motion: reduce) { .fl, .fl *, .fl-alarma .pto { animation: none !important; } }
@media (max-width: 900px) {
  .fl-dona { left: 10px; top: 10px; width: 84px; }
  .fl-candado { display: none; }
  .fl-alarma { right: 10px; top: -18px; }
  .fl-barras { right: 10px; bottom: -22px; width: 190px; }
  .fl-cols { height: 48px; }
}
@media (max-width: 520px) { .fl-alarma { display: none; } }

/* intro de Campo: logo completo */
.intro-campo { width: clamp(240px, 52vw, 460px); height: auto; display: block; }
.intro:not(.listo) .intro-campo path { opacity: 0; }

/* ===== Campo: funcionamiento (tarjetas blancas que cambian de color al pasar el mouse) y beneficios ===== */
.fn-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); gap: 24px; }
.fn-card { position: relative; background: var(--blanco); border: 1px solid var(--linea); border-radius: 10px; padding: 28px 28px 24px; min-height: 380px; display: flex; flex-direction: column; color: var(--petroleo); overflow: hidden; transition: background-color .35s ease, color .35s ease, border-color .35s ease, transform .35s ease, box-shadow .35s ease; }
.fn-ico { width: 54px; height: 54px; color: var(--petroleo); transition: color .35s ease; }
.fn-ico svg { width: 100%; height: 100%; }
.fn-card p { margin: auto 0 18px; padding-top: 28px; font-size: 18px; line-height: 1.55; color: var(--texto-suave); transition: color .35s ease; }
.fn-card h3 { font-family: var(--f-titulo); font-weight: 700; font-size: 34px; line-height: 1; letter-spacing: .02em; text-transform: uppercase; margin: 0; padding-right: 64px; }
.fn-num { position: absolute; right: 0; bottom: 0; width: 60px; height: 54px; display: grid; place-items: center; background: var(--amarillo); color: var(--petroleo); border-radius: 10px 0 0 0; font: 500 20px var(--f-dato); transition: background-color .35s ease, color .35s ease; }
@media (hover: hover) {
  .fn-card:hover { background: var(--petroleo); border-color: var(--petroleo); color: var(--niebla); transform: translateY(-4px); box-shadow: 0 18px 40px rgba(8, 25, 38, .28); }
  .fn-card:hover .fn-ico { color: var(--amarillo); }
  .fn-card:hover p { color: var(--texto-claro); }
  .fn-card:hover h3 { color: var(--amarillo); }
}
.g-cuatro { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 32px 28px; }
@media (prefers-reduced-motion: reduce) { .fn-card, .fn-card * { transition: none !important; } .fn-card:hover { transform: none; } }

/* menú de Campo: tiene más enlaces, así que pasa al botón "Menú" antes y achica la separación */
.hdr-campo .nav { gap: 12px 22px; font-size: 14.5px; }
@media (min-width: 700px) and (max-width: 1140px) {
  .js .hdr-campo .nav-toggle { display: inline-flex; }
  .js .hdr-campo .nav:not(.abierto) { display: none; }
  .js .hdr-campo .nav.abierto { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--petroleo-hondo); padding: 8px 24px 20px; border-bottom: 1px solid var(--linea-oscura); }
  .js .hdr-campo .nav.abierto a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--linea-oscura); font-size: 17px; }
  .js .hdr-campo .nav.abierto .btn { margin-top: 16px; }
}

/* funcionamiento: el nombre va al lado del ícono, arriba de cada tarjeta */
.fn-card { min-height: 320px; }
.fn-cab { display: flex; align-items: center; gap: 16px; }
.fn-cab .fn-ico { flex: none; width: 48px; height: 48px; }
.fn-card h3 { padding-right: 0; }
.fn-card p { margin: 0 0 auto; padding: 24px 0 56px; }

/* ===== Campo: casos de uso ===== */
.casos-cab { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 32px 56px; align-items: start; }
.casos-cab .sh { margin: 0; }
.casos-lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 36px; }
.casos-lista li { position: relative; padding: 11px 0 11px 16px; border-bottom: 1px solid var(--linea); font-size: 18px; color: var(--petroleo); }
.casos-lista li::before { content: ""; position: absolute; left: 0; top: 50%; width: 6px; height: 6px; margin-top: -3px; background: var(--amarillo); border-radius: 50%; }
.casos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 24px; margin-top: 56px; }
.caso { position: relative; aspect-ratio: 15 / 16; border-radius: 10px; overflow: hidden; background: linear-gradient(160deg, var(--petroleo-medio), var(--petroleo-hondo)); color: var(--niebla); isolation: isolate; }
.caso img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.caso-energia img { object-position: 11% 50%; }
.caso::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(4,16,26,.82), rgba(4,16,26,0) 55%); }
.caso-deco { position: absolute; z-index: -1; right: -8%; top: 6%; width: 78%; height: auto; aspect-ratio: 1; color: rgba(237,241,245,.09); }
.caso h3 { position: absolute; left: 22px; right: 22px; bottom: 20px; margin: 0; font-family: var(--f-titulo); font-weight: 700; font-size: 30px; line-height: 1; letter-spacing: .02em; text-transform: uppercase; }
@media (hover: hover) { .caso:hover img { transform: scale(1.05); } }
@media (max-width: 900px) { .casos-cab { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .casos-lista { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .caso img { transition: none; } }
.caso img ~ .caso-deco { display: none; }
.caso-industrial img { object-position: 42% 50%; }
.caso-agro img { object-position: 62% 50%; }