/* NexEther · sitio corporativo
   Direccion: portada de video a pantalla completa y, debajo, un sitio claro y aireado con ilustraciones 3D
   isometricas. Colores y tipografia del manual de marca (ruta Capas). Texto sobre naranja siempre en Noche. */

:root {
  --noche: #00111F;
  --profundo: #1A3345;
  --acero: #526676;
  --bruma: #B4BFC8;
  --niebla: #EDF1F4;
  --blanco: #FFFFFF;
  --naranja: #E77B15;
  --naranja-hover: #F08A2A;
  --naranja-texto: #A64E00;
  --naranja-suave: #FDF0E3;

  --bg: #FFFFFF;
  --soft: #F5F7F9;
  --line: #E2E8EE;
  --ink: var(--noche);
  --ink-2: #44586A;

  --font: 'Hanken Grotesk', 'Avenir Next', 'Segoe UI', system-ui, sans-serif;
  --fs-hero: clamp(2.7rem, 1.6rem + 4.2vw, 5.1rem);
  --fs-h2: clamp(2rem, 1.45rem + 1.9vw, 2.9rem);
  --fs-h3: clamp(1.45rem, 1.2rem + 0.8vw, 1.95rem);
  --fs-lead: clamp(1.08rem, 1rem + 0.4vw, 1.3rem);

  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius: 16px;
  --shadow-soft: 0 1px 2px rgba(0, 17, 31, .04), 0 14px 34px -14px rgba(0, 17, 31, .14);
  --shadow-lift: 0 2px 6px rgba(0, 17, 31, .05), 0 28px 56px -20px rgba(0, 17, 31, .22);
  --ease: cubic-bezier(.22, .8, .24, 1);
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.06; letter-spacing: -0.025em; text-wrap: balance; }
h2 { font-size: var(--fs-h2); font-weight: 650; }
h3 { font-weight: 650; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--naranja); outline-offset: 3px; border-radius: 6px; }
[hidden] { display: none !important; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
.eyebrow { font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--naranja-texto); }
.eyebrow-on-dark { color: var(--naranja); }
.section-sub { color: var(--ink-2); font-size: 1.08rem; max-width: 40rem; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 24px; border-radius: 999px; border: 1px solid transparent;
  font: 600 1rem/1 var(--font); text-decoration: none; cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .2s, border-color .2s, color .2s;
}
.btn span { transition: transform .25s var(--ease); }
.btn:hover span { transform: translateX(3px); }
.btn-primary { background: var(--naranja); color: var(--noche); box-shadow: 0 10px 24px -12px rgba(231, 123, 21, .7); }
.btn-primary:hover { background: var(--naranja-hover); transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(231, 123, 21, .75); }
.btn-primary:active { transform: translateY(0); }
.btn-glass { color: var(--blanco); background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .28); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.btn-glass:hover { background: rgba(255, 255, 255, .16); transform: translateY(-2px); }
.btn-sm { padding: 11px 20px; font-size: .92rem; }
.btn-block { width: 100%; }

/* ---------- Navegacion: transparente sobre el video, blanca al hacer scroll ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 40;
  padding-top: env(safe-area-inset-top, 0px);
  transition: background-color .35s, box-shadow .35s;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: var(--nav-h); }
.nav-logo { position: relative; display: block; }
.nav-logo img { height: 34px; width: auto; transition: opacity .3s; }
.nav-logo .logo-dark { position: absolute; inset: 0; opacity: 0; }
.nav-menu { display: flex; align-items: center; gap: 30px; font-size: .95rem; font-weight: 500; }
.nav-menu a:not(.btn) { text-decoration: none; color: rgba(255, 255, 255, .86); position: relative; padding: 6px 0; transition: color .2s; }
.nav-menu a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px;
  background: var(--naranja); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav-menu a:not(.btn):hover { color: var(--blanco); }
.nav-menu a:not(.btn):hover::after { transform: scaleX(1); }
.nav-toggle { display: none; }

.nav.solid { background: rgba(255, 255, 255, .9); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); box-shadow: 0 1px 0 var(--line); }
.nav.solid .logo-light { opacity: 0; }
.nav.solid .logo-dark { opacity: 1; }
.nav.solid .nav-menu a:not(.btn) { color: var(--ink-2); }
.nav.solid .nav-menu a:not(.btn):hover { color: var(--noche); }

/* ---------- Hero de video ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: min(100vh, 1080px); min-height: min(100svh, 1080px);
  display: flex; align-items: flex-end;
  background: var(--noche); color: var(--blanco);
}
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero-shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(70% 60% at 100% 100%, rgba(231, 123, 21, .38), transparent 60%),
    linear-gradient(100deg, rgba(0, 17, 31, .94) 0%, rgba(0, 17, 31, .78) 38%, rgba(0, 17, 31, .35) 70%, rgba(26, 51, 69, .25) 100%),
    linear-gradient(180deg, rgba(0, 17, 31, .55) 0%, transparent 22%);
}
.hero-inner { display: grid; gap: clamp(36px, 6vh, 64px); padding-top: calc(var(--nav-h) + 40px); padding-bottom: clamp(110px, 16vh, 170px); }
.hero-copy { display: grid; gap: 26px; max-width: 46rem; }
.hero h1 { font-size: var(--fs-hero); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.swash { position: relative; white-space: nowrap; }
.swash svg { position: absolute; left: -2%; bottom: -0.17em; width: 104%; height: .32em; overflow: visible; }
.swash path { fill: none; stroke: var(--naranja); stroke-width: 5; stroke-linecap: round; stroke-dasharray: 260; stroke-dashoffset: 260; animation: draw 1.4s .5s var(--ease) forwards; }
.cut-reveal .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: .1em; margin-bottom: -.1em; }
.cut-reveal .w > span { display: inline-block; transform: translateY(110%); animation: cutUp .95s var(--ease) forwards; animation-delay: calc(var(--i) * 75ms + 120ms); }
.lead { font-size: var(--fs-lead); color: #C9D3DB; max-width: 36rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-pillars { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.hero-pillars li {
  display: grid; gap: 4px; padding: 18px 20px; border-radius: var(--radius);
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: background-color .3s, transform .3s var(--ease), border-color .3s;
}
.hero-pillars li:hover { background: rgba(255, 255, 255, .12); border-color: rgba(231, 123, 21, .55); transform: translateY(-3px); }
.hero-pillars span { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--naranja); }
.hero-pillars b { font-size: 1.05rem; font-weight: 600; }

/* Pausa del video de fondo (WCAG 2.2.2). */
.video-toggle {
  position: absolute; z-index: 2; right: max(20px, env(safe-area-inset-right, 0px)); bottom: clamp(70px, 10vw, 130px);
  width: 40px; height: 40px; display: grid; place-items: center; cursor: pointer;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); background: rgba(0, 17, 31, .35);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: background-color .2s, border-color .2s;
}
.video-toggle:hover { background: rgba(0, 17, 31, .6); border-color: var(--naranja); }
.icon-pause { width: 10px; height: 12px; border-left: 3px solid var(--blanco); border-right: 3px solid var(--blanco); }
.video-toggle[aria-pressed="true"] .icon-pause { width: 0; height: 0; border-style: solid; border-width: 6px 0 6px 10px; border-color: transparent transparent transparent var(--blanco); margin-left: 3px; }

/* Borde inferior con la onda del logotipo. */
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: clamp(56px, 8vw, 120px); }
.wave-fill { fill: var(--bg); }
.wave-line { fill: none; stroke: var(--naranja); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 1600; stroke-dashoffset: 1600; animation: draw 2.4s .9s var(--ease) forwards; }

/* Socios en desplazamiento continuo con desenfoque en los bordes (idea de "Progressive blur", 21st.dev). */
.partners-inner { display: flex; align-items: center; gap: 14px 40px; padding-block: 18px 8px; }
.partners-label { flex: none; font-size: .76rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--acero); }
.marquee { position: relative; flex: 1; min-width: 0; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); mask-image: linear-gradient(90deg, transparent, #000 14%, #000 86%, transparent); }
.marquee::before, .marquee::after { content: ""; position: absolute; z-index: 1; top: 0; bottom: 0; width: 14%; pointer-events: none; backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.marquee::before { left: 0; -webkit-mask-image: linear-gradient(90deg, #000, transparent); mask-image: linear-gradient(90deg, #000, transparent); }
.marquee::after { right: 0; -webkit-mask-image: linear-gradient(270deg, #000, transparent); mask-image: linear-gradient(270deg, #000, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee ul { display: flex; flex: none; gap: 56px; padding-right: 56px; }
.marquee li { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; color: #7F90A0; white-space: nowrap; transition: color .2s; }
.marquee li:hover { color: var(--noche); }

/* ---------- Capas: eje de ingenieria con paquetes que bajan ---------- */
.capas { padding-block: clamp(72px, 9vw, 120px) clamp(40px, 6vw, 80px); }
.capas-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px 56px; align-items: end; margin-bottom: clamp(44px, 6vw, 64px); }
.capas-head > div { display: grid; gap: 14px; }
.capas-body { position: relative; }
.trunk { position: absolute; top: 0; bottom: 0; left: max(20px, env(safe-area-inset-left, 0px)); width: 72px; pointer-events: none; }
.trunk-label { position: absolute; top: -10px; left: 0; width: 72px; transform: translateY(-100%); text-align: center; font-size: .66rem; font-weight: 700; line-height: 1.25; letter-spacing: .08em; text-transform: uppercase; color: var(--acero); }
.trunk-rail { position: absolute; top: 0; bottom: 0; left: 16px; width: 40px; background: repeating-linear-gradient(90deg, #E3E7EB 0 1px, transparent 1px 6px); }
.trunk-line { position: absolute; top: 0; bottom: 0; left: 34px; width: 4px; border-radius: 2px; background: linear-gradient(180deg, var(--naranja), #F2A35A 50%, var(--naranja)); }
.drop {
  position: absolute; left: 36px; top: 0; width: 12px; height: 12px; margin-left: -6px; border-radius: 50%;
  background: var(--noche); box-shadow: 0 0 0 3px var(--naranja), 0 0 14px 2px rgba(231, 123, 21, .55);
  animation: nxDrop 20s linear var(--d, 0s) infinite;
}

.capa { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 0 clamp(20px, 3vw, 40px); }
.capa + .capa { border-top: 1px solid var(--line); }
.capa-node { display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.capa-node span {
  width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px;
  background: var(--noche); color: var(--blanco); font-weight: 700; font-size: .9rem; font-variant-numeric: tabular-nums;
  box-shadow: 0 0 0 6px var(--bg); transition: background-color .4s, color .4s, transform .5s var(--ease);
}
.capa.is-in .capa-node span { background: var(--naranja); color: var(--noche); transform: scale(1.08); }
.capa-row { display: flex; align-items: center; gap: clamp(28px, 5vw, 64px); padding-block: clamp(36px, 5vw, 56px); }
.capa:nth-child(odd) .capa-row { flex-direction: row-reverse; }
.capa-art { flex: 1.15 1 0; margin: 0; min-width: 0; }
.capa-art img { width: 100%; height: auto; filter: drop-shadow(0 26px 28px rgba(0, 17, 31, .12)); }
/* El estado oculto solo aplica con JS activo: sin JS el contenido se ve completo. */
.js .capa-art img {
  clip-path: inset(100% -10% -20% -10%); transform: translateY(46px) scale(.96); opacity: 0;
  transition: clip-path 1.1s var(--ease), transform 1.1s var(--ease), opacity .6s ease;
}
.capa.is-in .capa-art img { clip-path: inset(-10% -10% -20% -10%); transform: none; opacity: 1; animation: float 9s ease-in-out 1.2s infinite; }
.capa-copy { flex: 1 1 0; display: grid; gap: 14px; min-width: 0; max-width: 30rem; }
.js .capa-copy > * { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .8s var(--ease); }
.capa.is-in .capa-copy > * { opacity: 1; transform: none; }
.capa.is-in .capa-copy > :nth-child(2) { transition-delay: .08s; }
.capa.is-in .capa-copy > :nth-child(3) { transition-delay: .16s; }
.capa.is-in .capa-copy > :nth-child(4) { transition-delay: .24s; }
.capa.is-in .capa-copy > :nth-child(5) { transition-delay: .32s; }
.capa-copy h3 { font-size: var(--fs-h3); }
.capa-copy p:not(.eyebrow) { color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 4px; }
.tags li { font-size: .8rem; font-weight: 600; color: var(--profundo); background: var(--niebla); padding: 6px 11px; border-radius: 999px; }
.capa-copy .capa-partners { font-size: .9rem; color: var(--acero); }
.capa-partners b { color: var(--noche); font-weight: 650; }

/* ---------- Secciones generales ---------- */
.section { padding-block: clamp(76px, 10vw, 124px); }
.section-soft { background: linear-gradient(180deg, var(--soft), #FFFFFF); }
.section-head { display: grid; gap: 14px; max-width: 46rem; margin-bottom: clamp(32px, 5vw, 52px); }

.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.service {
  display: grid; gap: 10px; align-content: start; padding: 28px;
  background: var(--blanco); border: 1px solid var(--line); border-radius: var(--radius-lg);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
}
.service:hover { transform: translateY(-5px); box-shadow: var(--shadow-lift); border-color: transparent; }
.service svg { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--naranja-suave); fill: none; stroke: var(--naranja-texto); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 8px; }
.service h3 { font-size: 1.2rem; }
.service p { color: var(--ink-2); font-size: .98rem; }
.service-accent { background: linear-gradient(140deg, #F29A45 0%, var(--naranja) 55%, #C9660C 100%); border-color: transparent; }
.service-accent h3, .service-accent p { color: var(--noche); }
.service-accent svg { background: rgba(0, 17, 31, .12); stroke: var(--noche); }
.service-deep { background: radial-gradient(90% 90% at 100% 0%, rgba(231, 123, 21, .35), transparent 60%), linear-gradient(150deg, var(--profundo), var(--noche)); border-color: transparent; }
.service-deep h3 { color: var(--blanco); }
.service-deep p { color: #C9D3DB; }
.service-deep svg { background: rgba(231, 123, 21, .16); stroke: var(--naranja); }

/* ---------- Metodología: acordeón de imágenes (adaptado de "Interactive Image Accordion", 21st.dev) ---------- */
.metodo { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(36px, 5vw, 72px); align-items: center; }
.metodo-head { display: grid; gap: 16px; }
.acordeon { display: flex; gap: 12px; height: 500px; margin: 0; padding: 0; list-style: none; }
.paso {
  position: relative; flex: 0 0 68px; min-width: 0; border-radius: 22px; overflow: hidden;
  background: var(--noche); box-shadow: 0 18px 40px -22px rgba(0, 17, 31, .6);
  transition: flex-grow .7s cubic-bezier(.4, 0, .2, 1), flex-basis .7s cubic-bezier(.4, 0, .2, 1);
}
.paso.is-active { flex: 1 1 0; }
.paso-btn { position: absolute; inset: 0; width: 100%; padding: 0; border: 0; background: none; cursor: pointer; color: var(--blanco); font: inherit; }
.paso-btn:focus-visible { outline: 3px solid var(--naranja); outline-offset: -3px; border-radius: 22px; }
.paso img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.2s var(--ease), filter .7s; filter: saturate(.85) brightness(.8); }
.paso.is-active img { transform: scale(1); filter: none; }
.paso-btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 17, 31, .15) 0%, rgba(0, 17, 31, .1) 45%, rgba(0, 17, 31, .9) 100%); }
.paso-n { position: absolute; z-index: 1; top: 18px; left: 50%; transform: translateX(-50%); font-size: .8rem; font-weight: 700; letter-spacing: .1em; color: var(--naranja); font-variant-numeric: tabular-nums; transition: left .5s var(--ease), transform .5s var(--ease); }
.paso.is-active .paso-n { left: 26px; transform: none; }
.paso-label {
  position: absolute; z-index: 1; left: 50%; bottom: 26px; white-space: nowrap;
  writing-mode: vertical-rl; transform: translateX(-50%) rotate(180deg);
  font-size: 1.05rem; font-weight: 650; letter-spacing: .01em;
  transition: opacity .3s ease;
}
.paso.is-active .paso-label { opacity: 0; }
.paso-body { position: absolute; z-index: 2; left: 26px; right: 26px; bottom: 26px; display: grid; gap: 8px; color: var(--blanco); pointer-events: none; opacity: 0; transform: translateY(14px); transition: opacity .35s ease, transform .5s var(--ease); }
.paso.is-active .paso-body { opacity: 1; transform: none; transition-delay: .35s; }
.paso-body h3 { font-size: 1.7rem; }
.paso-body p { color: #D3DCE3; max-width: 26rem; }

.partners-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.partners-grid article { padding: 26px 28px; border-radius: var(--radius-lg); background: var(--blanco); border: 1px solid var(--line); display: grid; gap: 14px; align-content: start; transition: border-color .3s, box-shadow .3s; }
.partners-grid article:hover { border-color: var(--bruma); box-shadow: var(--shadow-soft); }
.partners-grid h3 { font-size: 1.3rem; }
.partners-grid ul { display: grid; gap: 8px; }
.partners-grid li { position: relative; padding-left: 18px; color: var(--ink-2); font-size: .97rem; }
.partners-grid li::before { content: ""; position: absolute; left: 0; top: .62em; width: 7px; height: 7px; border-radius: 2px; background: var(--naranja); }

/* ---------- Enfoque: banda oscura ---------- */
.enfoque { position: relative; isolation: isolate; overflow: hidden; background: var(--noche); color: var(--blanco); padding-block: clamp(88px, 11vw, 144px); }
.enfoque::after { content: ""; position: absolute; z-index: -1; right: -12%; bottom: -40%; width: 60%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(closest-side, rgba(231, 123, 21, .22), transparent); }
.enfoque-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(44px, 7vw, 110px); align-items: start; }
.enfoque-lead { position: sticky; top: calc(var(--nav-h) + 48px); display: grid; gap: 24px; padding-left: 30px; }
/* El eje naranja de las capas vuelve aquí como línea guía del enunciado. */
.enfoque-lead::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 2px; background: linear-gradient(180deg, var(--naranja), rgba(231, 123, 21, .15)); }
.enfoque-lead::after { content: ""; position: absolute; left: -4px; top: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--noche); box-shadow: 0 0 0 3px var(--naranja); }
.enfoque h2 { font-size: clamp(2.9rem, 1.5rem + 4.6vw, 5.4rem); font-weight: 700; line-height: .96; letter-spacing: -0.05em; color: var(--blanco); }
.enfoque h2 span { display: block; color: var(--naranja); }
.razones { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; border-top: 1px solid rgba(255, 255, 255, .14); }
.razones > div { display: grid; gap: 10px; align-content: start; padding: 28px 0 30px; border-bottom: 1px solid rgba(255, 255, 255, .14); }
.razones > div:nth-child(odd) { padding-right: clamp(20px, 3vw, 36px); border-right: 1px solid rgba(255, 255, 255, .14); }
.razones > div:nth-child(even) { padding-left: clamp(20px, 3vw, 36px); }
.razones dt { display: flex; align-items: center; gap: 12px; font-size: 1.22rem; font-weight: 650; letter-spacing: -0.01em; }
.razones dt::before { content: ""; flex: none; width: 8px; height: 8px; background: var(--naranja); transition: transform .35s var(--ease); }
.razones > div:hover dt::before { transform: rotate(45deg) scale(1.25); }
.razones dd { margin: 0; color: #A9B7C3; font-size: 1rem; line-height: 1.55; }

/* ---------- Industrias: índice tipográfico ---------- */
.industrias { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(36px, 6vw, 96px); align-items: end; }
.industrias-head { display: grid; gap: 16px; }
.industrias-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(24px, 4vw, 56px); border-top: 1px solid var(--line); }
.industrias-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 17px 2px; border-bottom: 1px solid var(--line);
  font-size: clamp(1.2rem, 1rem + .7vw, 1.55rem); font-weight: 600; letter-spacing: -0.02em; color: var(--noche);
  transition: padding .35s var(--ease), color .25s;
}
.industrias-list li::after { content: ""; flex: none; width: 16px; height: 2px; background: var(--bruma); transition: width .35s var(--ease), background-color .25s; }
.industrias-list li:hover { padding-left: 10px; }
.industrias-list li:hover::after { width: 36px; background: var(--naranja); }

/* ---------- Contacto ---------- */
.contact {
  display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(20px, 4vw, 48px);
  padding: clamp(14px, 2vw, 20px);
  border-radius: var(--radius-xl);
  background: radial-gradient(70% 90% at 0% 100%, rgba(231, 123, 21, .32), transparent 60%), linear-gradient(150deg, var(--profundo), var(--noche) 70%);
}
.contact-copy { display: grid; gap: 18px; align-content: start; padding: clamp(18px, 3vw, 40px); color: var(--blanco); }
.contact-copy > p:not(.eyebrow) { color: #C9D3DB; font-size: 1.1rem; }
.contact-person { display: flex; align-items: center; gap: 14px; padding-top: 8px; }
.avatar { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: var(--naranja); color: var(--noche); font-weight: 700; }
.contact-person b { display: block; }
.contact-person span { font-size: .9rem; color: #A9B7C3; }
.contact-lines { display: grid; gap: 10px; }
.contact-lines li { display: grid; grid-template-columns: 82px 1fr; gap: 12px; font-size: .97rem; color: #E6ECF0; }
.contact-lines span { color: #93A3B0; font-size: .85rem; padding-top: 2px; }
.contact-lines a { font-weight: 600; text-decoration-color: rgba(255, 255, 255, .35); text-underline-offset: 4px; overflow-wrap: anywhere; }
.contact-lines a:hover { text-decoration-color: var(--naranja); }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-content: start; padding: clamp(22px, 3vw, 36px); border-radius: var(--radius-lg); background: var(--blanco); }
.field { display: grid; gap: 7px; min-width: 0; }
.field-full, .form-error, .contact-form .btn { grid-column: 1 / -1; }
.field label { font-size: .88rem; font-weight: 600; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--noche);
  padding: 13px 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--soft);
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 116px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--naranja); background: var(--blanco); box-shadow: 0 0 0 4px rgba(231, 123, 21, .16); }
.field [aria-invalid="true"] { border-color: #C2410C; background: #FFF7F2; }
.form-error { color: #9A3412; font-size: .92rem; font-weight: 600; }
.form-note { grid-column: 1 / -1; margin-top: -6px; font-size: .85rem; color: var(--acero); text-align: center; }

.footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px; padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px)); font-size: .92rem; color: var(--acero); }
.footer-inner img { height: 30px; width: auto; }
.footer nav { display: flex; flex-wrap: wrap; gap: 8px 26px; }
.footer a { text-decoration: none; color: var(--ink-2); }
.footer a:hover { color: var(--noche); }

/* ---------- Animaciones ---------- */
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes cutUp { to { transform: translateY(0); } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes nxDrop { 0% { top: 0; opacity: 0; } 4% { opacity: 1; } 96% { opacity: 1; } 100% { top: 100%; opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .swash path, .wave-line { stroke-dashoffset: 0; }
  .drop { display: none; }
  .marquee-track { animation: none; flex-wrap: wrap; width: auto; }
  .marquee ul[aria-hidden] { display: none; }
  .marquee ul { flex-wrap: wrap; gap: 10px 32px; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .hero-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .services, .partners-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  :root { --nav-h: 66px; }
  .nav-toggle {
    display: grid; align-content: center; gap: 6px; width: 44px; height: 44px; padding: 0 11px;
    border: 1px solid rgba(255, 255, 255, .35); border-radius: 12px; background: rgba(255, 255, 255, .08); cursor: pointer;
  }
  .nav-toggle span { display: block; height: 2px; border-radius: 2px; background: var(--blanco); transition: transform .25s var(--ease); }
  .nav.solid .nav-toggle { border-color: var(--line); background: var(--blanco); }
  .nav.solid .nav-toggle span { background: var(--noche); }
  .nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
  .nav-menu {
    position: absolute; left: 12px; right: 12px; top: calc(100% + 6px);
    flex-direction: column; align-items: stretch; gap: 4px; padding: 12px;
    background: var(--blanco); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow-lift);
    opacity: 0; visibility: hidden; transform: translateY(-8px); pointer-events: none;
    transition: opacity .2s, transform .25s var(--ease), visibility 0s .25s;
  }
  .nav-menu.open { opacity: 1; visibility: visible; transform: none; pointer-events: auto; transition: opacity .2s, transform .25s var(--ease), visibility 0s; }
  .nav-menu a:not(.btn), .nav.solid .nav-menu a:not(.btn) { color: var(--ink-2); padding: 12px 10px; }
  .nav-menu a:not(.btn)::after { display: none; }
  .nav-menu .btn { margin-top: 6px; }

  .capas-head, .contact, .enfoque-grid, .industrias, .metodo { grid-template-columns: 1fr; }
  .acordeon { flex-direction: column; height: auto; }
  .paso { flex: 0 0 68px; transition: flex-basis .6s cubic-bezier(.4, 0, .2, 1); }
  .paso.is-active { flex: 0 0 380px; }
  .paso-label { writing-mode: horizontal-tb; transform: translateY(50%); left: 72px; bottom: 50%; }
  .paso-n { top: 50%; left: 26px; transform: translateY(-50%); }
  .paso.is-active .paso-n { top: 22px; transform: none; }
  .partners-inner { flex-direction: column; align-items: stretch; gap: 10px; }
  .enfoque-lead { position: relative; top: auto; }
  .capa { grid-template-columns: 44px minmax(0, 1fr); gap: 0 16px; }
  .trunk { width: 44px; }
  .trunk-rail { left: 6px; width: 32px; }
  .trunk-line { left: 20px; }
  .drop { left: 22px; }
  .trunk-label { width: 44px; font-size: .58rem; }
  .capa-node { align-items: flex-start; padding-top: clamp(36px, 5vw, 56px); }
  .capa-node span { width: 34px; height: 34px; font-size: .82rem; }
  .capa-row, .capa:nth-child(odd) .capa-row { flex-direction: column; align-items: stretch; gap: 20px; }
  .capa-art, .capa-copy { flex: none; max-width: none; }
}

@media (max-width: 600px) {
  body { font-size: 1rem; }
  .hero-inner { padding-bottom: 124px; }
  .video-toggle { bottom: 66px; }
  .hero-pillars li { padding: 14px; }
  .hero-pillars b { font-size: .95rem; }
  .swash { white-space: normal; }
  .services, .partners-grid, .razones { grid-template-columns: 1fr; }
  .razones > div:nth-child(odd), .razones > div:nth-child(even) { padding-left: 0; padding-right: 0; border-right: 0; }
  .contact-form { grid-template-columns: 1fr; }
  .contact-lines li { grid-template-columns: 1fr; gap: 2px; }
}