/* ==========================================================================
   SELOR Tech — sistema visual
   Industrial premium · corporate technology · advanced engineering
   ========================================================================== */

:root {
  /* Color — base oscura, verde SELOR solo como acento */
  --navy-950: #000B1C;
  --navy-900: #04142B;
  --navy-800: #0A1D38;
  --steel-500: #6F7D90;
  --steel-300: #A9B4C2;
  --paper: #F1F1F1;
  --ink: #0E1216;
  --ink-2: #414B57;
  --white: #FFFFFF;
  --text: #E8EDF1;
  --text-dim: #9EAABA;
  --line: rgba(232, 237, 241, .12);
  --line-strong: rgba(232, 237, 241, .24);
  --line-dark: rgba(14, 18, 22, .14);
  --accent: #00A86B;
  --accent-hi: #5FB38E;
  --accent-deep: #076B45;
  /* Acentos de universo (solo dentro de visualizaciones de cada solución) */
  --ember: #C9714A;
  --ice: #8EA6C8;

  /* Tipografía */
  --f-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --f-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;

  --fs-hero: clamp(2.75rem, 1.2rem + 6.4vw, 7.25rem);
  --fs-h2: clamp(2rem, 1.2rem + 3.2vw, 4.25rem);
  --fs-h3: clamp(1.35rem, 1.1rem + .9vw, 1.9rem);
  --fs-lead: clamp(1.125rem, 1rem + .45vw, 1.4rem);
  --fs-body: 1.0625rem;
  --fs-small: .9375rem;
  --fs-mono: .8125rem;

  /* Espaciado y layout */
  --gutter: clamp(1rem, 3.5vw, 4rem);
  --maxw: 1440px;
  --section-y: clamp(5rem, 3rem + 8vw, 11rem);
  --radius: 2px;
  --header-h: 84px;

  --ease: cubic-bezier(.2, .7, .1, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  color-scheme: dark;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--navy-950);
  color: var(--text);
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video, canvas { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--f-display); font-weight: 500; line-height: 1.02; letter-spacing: -.025em; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { background: var(--accent); color: var(--navy-950); }

:focus-visible { outline: 2px solid var(--accent-hi); outline-offset: 3px; }
.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 200;
  background: var(--accent); color: var(--navy-950); padding: .75rem 1rem; font-weight: 600;
}
.skip-link:focus { top: 1rem; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

/* ---------- Transiciones entre páginas (progresivo) ---------- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .35s var(--ease-io) both; }
::view-transition-new(root) { animation: vt-in .55s var(--ease) both; }
@keyframes vt-out { to { opacity: 0; filter: blur(6px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(12px); } }
.site-header { view-transition-name: header; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); position: relative; }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(1rem, 2vw, 2rem); }

/* ---------- Tipografía utilitaria ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: .75rem;
  font-family: var(--f-mono); font-size: var(--fs-mono); font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--accent); }
.eyebrow .idx { color: var(--accent); }
.mono { font-family: var(--f-mono); font-size: var(--fs-mono); letter-spacing: .06em; }
.h2 { font-size: var(--fs-h2); }
.lead { font-size: var(--fs-lead); line-height: 1.5; color: var(--text-dim); max-width: 38ch; }
.note { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .04em; color: var(--steel-500); line-height: 1.5; }

/* ---------- Botones ---------- */
.btn {
  --bh: 54px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: .85rem;
  min-height: var(--bh); padding: 0 1.6rem;
  font-family: var(--f-mono); font-size: .8125rem; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer; overflow: hidden; isolation: isolate;
  transition: color .4s var(--ease), border-color .4s var(--ease), background-color .4s var(--ease);
}
.btn .arrow { width: 18px; height: 10px; flex: none; transition: transform .45s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--primary { background: #0B6E4D; color: var(--white); }
.btn--primary:hover { color: var(--navy-950); }
.btn--primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--white);
  clip-path: inset(0 100% 0 0); transition: clip-path .5s var(--ease);
}
.btn--primary:hover::before { clip-path: inset(0 0 0 0); }
.btn--ghost { border-color: var(--line-strong); color: var(--text); background: rgba(0, 11, 28, .25); backdrop-filter: blur(6px); }
.btn--ghost:hover { border-color: var(--text); }
.btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .7rem;
  font-family: var(--f-mono); font-size: .8125rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text);
}
.link-arrow .arrow { width: 18px; height: 10px; transition: transform .45s var(--ease); color: var(--accent-hi); }
.link-arrow:hover .arrow { transform: translateX(5px); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  transition: height .45s var(--ease), background-color .45s var(--ease), border-color .45s var(--ease), transform .45s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  --header-h: 66px;
  background: rgba(0, 11, 28, .82); border-bottom-color: var(--line);
  backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; flex: none; }
.brand svg { height: 50px; width: auto; transition: height .45s var(--ease); }
.is-scrolled .brand svg { height: 42px; }
.brand__word { display: flex; flex-direction: column; line-height: 1; font-family: var(--f-display); }
.brand__word b { font-weight: 600; font-size: 1.1rem; letter-spacing: .3em; color: var(--white); }
.brand__word span { font-weight: 500; font-size: .66rem; letter-spacing: .58em; color: var(--accent); margin-top: .35rem; }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.5rem); }
.nav__list { display: flex; gap: clamp(1rem, 2.2vw, 2.25rem); }
.nav__link {
  position: relative; display: inline-block; padding-block: .5rem;
  font-family: var(--f-mono); font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim);
  transition: color .3s;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease);
}
.nav__link:hover, .nav__link[aria-current="page"], .nav__link.is-active { color: var(--white); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after, .nav__link.is-active::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { --bh: 44px; padding: 0 1.1rem; font-size: .72rem; }

/* Selector de idioma ES / EN */
.lang-switch { display: inline-flex; align-items: center; border: 1px solid var(--line-strong); border-radius: var(--radius); flex: none; }
.lang-switch a {
  display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 34px; padding: 0 .55rem;
  font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim);
  transition: color .3s, background-color .3s;
}
.lang-switch a + a { border-left: 1px solid var(--line-strong); }
.lang-switch a:hover { color: var(--white); }
.lang-switch a[aria-current="true"] { color: var(--navy-950); background: var(--accent-hi); }

/* Submenú Soluciones */
.has-sub { position: relative; }
.subnav {
  position: absolute; top: calc(100% + 18px); left: -1.5rem; min-width: 320px;
  background: rgba(4, 20, 43, .96); border: 1px solid var(--line); backdrop-filter: blur(14px);
  padding: .5rem; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.subnav::before { content: ""; position: absolute; left: 0; right: 0; top: -20px; height: 20px; }
.has-sub:hover .subnav, .has-sub:focus-within .subnav { opacity: 1; visibility: visible; transform: none; }
.subnav a { display: grid; grid-template-columns: 1fr auto; gap: .15rem 1rem; padding: .9rem 1rem; border-left: 2px solid transparent; transition: background-color .3s, border-color .3s; }
.subnav a:hover, .subnav a:focus-visible { background: rgba(232, 237, 241, .05); border-left-color: var(--accent); }
.subnav b { font-family: var(--f-display); font-weight: 500; font-size: 1.05rem; letter-spacing: .06em; color: var(--white); }
.subnav small { grid-column: 1; font-size: .8rem; color: var(--text-dim); }
.subnav .arrow { grid-row: 1 / span 2; grid-column: 2; align-self: center; width: 16px; color: var(--accent); }

.menu-toggle {
  display: none; width: 48px; height: 48px; border: 1px solid var(--line-strong); background: transparent; border-radius: var(--radius);
  position: relative; cursor: pointer; z-index: 120;
}
.menu-toggle span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: var(--white); transition: transform .45s var(--ease), opacity .3s; }
.menu-toggle span:nth-child(1) { top: 19px; }
.menu-toggle span:nth-child(2) { top: 27px; right: 19px; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); right: 13px; }

/* Menú móvil fullscreen */
.mobile-menu {
  position: fixed; inset: 0; z-index: 110; background: var(--navy-950);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: calc(var(--header-h) + 2rem) var(--gutter) 2rem;
  clip-path: inset(0 0 100% 0); visibility: hidden;
  transition: clip-path .7s var(--ease-io), visibility 0s linear .7s;
  overflow-y: auto;
}
.mobile-menu.is-open { clip-path: inset(0 0 0 0); visibility: visible; transition: clip-path .7s var(--ease-io), visibility 0s; }
.mobile-menu__list li { border-top: 1px solid var(--line); overflow: hidden; }
.mobile-menu__list a {
  display: flex; align-items: baseline; justify-content: space-between; padding: 1.05rem 0;
  font-family: var(--f-display); font-size: clamp(1.9rem, 8vw, 3rem); letter-spacing: -.02em; color: var(--white);
  transform: translateY(100%); transition: transform .7s var(--ease);
}
.mobile-menu__list a small { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .14em; color: var(--accent); }
.mobile-menu.is-open .mobile-menu__list a { transform: none; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(2) a { transition-delay: .05s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(3) a { transition-delay: .1s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(4) a { transition-delay: .15s; }
.mobile-menu.is-open .mobile-menu__list li:nth-child(5) a { transition-delay: .2s; }
.mobile-menu__list .mobile-menu__sub-wrap { border-top: 0; }
.mobile-menu__sub { display: flex; flex-wrap: wrap; gap: .25rem 1.5rem; padding: 0 0 1rem; }
.mobile-menu__list .mobile-menu__sub a { display: inline-block; font-family: var(--f-mono); font-size: .8rem; letter-spacing: .14em; color: var(--text-dim); padding: .6rem 0; transform: none; }
.mobile-menu__list .mobile-menu__sub a:hover { color: var(--accent-hi); }
.mobile-menu__foot { display: grid; gap: 1.25rem; padding-top: 2rem; }
.mobile-menu__foot .mono { color: var(--text-dim); line-height: 1.9; }
body.menu-open { overflow: hidden; }

@media (max-width: 1080px) {
  .nav__list, .nav__cta { display: none; }
  .menu-toggle { display: block; }
}
/* Móvil estrecho: el SVG del logo tiene espacio vacío a la derecha; se recorta para dejar sitio a ES/EN + menú */
@media (max-width: 480px) {
  .site-header .wrap { gap: .75rem; }
  .nav { gap: .6rem; }
  .brand { max-width: 140px; overflow: hidden; }
}

/* ==========================================================================
   Hero (Home)
   ========================================================================== */
.hero {
  position: relative; min-height: min(100vh, 1000px); min-height: min(100svh, 1000px); display: flex; align-items: flex-end;
  padding: calc(var(--header-h) + 3rem) 0 clamp(2.5rem, 5vw, 4.5rem); overflow: hidden; isolation: isolate;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__terrain { position: absolute; inset: -4%; width: 108%; height: 108%; opacity: 0; transition: opacity 2.2s var(--ease); }
.is-ready .hero__terrain { opacity: 1; }
.hero__bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(90% 70% at 72% 38%, transparent 0%, rgba(0, 11, 28, .35) 55%, var(--navy-950) 100%),
    linear-gradient(180deg, rgba(0, 11, 28, .75) 0%, transparent 25%, transparent 55%, var(--navy-950) 100%);
}
.hero__scan {
  position: absolute; top: 0; bottom: 0; width: 1px; left: 0; z-index: -1;
  background: linear-gradient(180deg, transparent, var(--accent) 40%, var(--accent) 60%, transparent);
  box-shadow: 0 0 24px 2px rgba(0, 168, 107, .45); opacity: 0;
}
.is-ready .hero__scan { animation: scan 3.2s var(--ease-io) .4s 1 both; }
@keyframes scan { 0% { left: 0; opacity: 0; } 8% { opacity: .9; } 92% { opacity: .9; } 100% { left: 100%; opacity: 0; } }

.hero__hud { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hud-node { position: absolute; display: flex; align-items: center; gap: .6rem; opacity: 0; transform: translateY(8px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.is-ready .hud-node { opacity: 1; transform: none; }
.is-ready .hud-node:nth-child(2) { transition-delay: 1.4s; }
.is-ready .hud-node:nth-child(3) { transition-delay: 1.7s; }
.is-ready .hud-node:nth-child(4) { transition-delay: 2s; }
.hud-node i { width: 11px; height: 11px; border: 1px solid var(--accent-hi); transform: rotate(45deg); position: relative; }
.hud-node i::after { content: ""; position: absolute; inset: 3px; background: var(--accent-hi); }
.hud-node span { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .18em; color: var(--text); background: rgba(0, 11, 28, .55); padding: .25rem .5rem; border: 1px solid var(--line); }
.hud-node--a { left: 74%; top: 27%; }
.hud-node--b { left: 86%; top: 45%; }
.hud-node--c { left: 76%; top: 60%; }
@media (max-width: 1180px) { .hud-node--a { left: 78%; top: 20%; } .hud-node--b { left: 84%; top: 34%; } .hud-node--c { left: 74%; top: 44%; } }
.hud-coords { position: absolute; right: var(--gutter); top: calc(var(--header-h) + 1.5rem); text-align: right; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; color: var(--steel-500); line-height: 2; }

.hero__content { position: relative; width: 100%; }
.hero__kicker { margin-bottom: clamp(1.25rem, 3vw, 2.25rem); }
.hero__title { font-size: var(--fs-hero); font-weight: 500; letter-spacing: -.045em; line-height: .96; color: var(--white); }
.hero__title .line { display: block; overflow: hidden; padding-bottom: .06em; }
.hero__title .line > span { display: inline-block; transform: translateY(105%); transition: transform 1.2s var(--ease); }
.is-ready .hero__title .line > span { transform: none; }
.is-ready .hero__title .line:nth-child(2) > span { transition-delay: .12s; }
.is-ready .hero__title .line:nth-child(3) > span { transition-delay: .24s; }
.hero__title em { font-style: normal; color: var(--steel-300); }
.hero__title .dot { color: var(--accent); }
.hero__foot {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 2rem;
  margin-top: clamp(2rem, 4vw, 3.5rem); padding-top: clamp(1.5rem, 3vw, 2rem); border-top: 1px solid var(--line);
}
.hero__sub { font-size: var(--fs-lead); line-height: 1.5; color: var(--text-dim); max-width: 44ch; }
.hero__sub strong { color: var(--text); font-weight: 500; }
.fade-up { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease) .6s, transform 1s var(--ease) .6s; }
.is-ready .fade-up { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .hero__foot { grid-template-columns: 1fr; }
  .hud-node { display: none; }
  .hud-coords { display: none; }
}

/* ==========================================================================
   Secciones Home
   ========================================================================== */

/* 02 — Nosotros (claro, editorial) */
.about { background: var(--paper); color: var(--ink); color-scheme: light; }
.about .eyebrow { color: var(--ink-2); }
.about__statement { grid-column: 1 / span 10; font-size: clamp(1.9rem, 1rem + 3.3vw, 4rem); line-height: 1.08; letter-spacing: -.03em; font-weight: 400; margin-top: 2rem; }
.about__statement strong { font-weight: 500; }
.about__statement .hl { color: var(--accent-deep); }
.about__facts { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(3rem, 6vw, 6rem); border-top: 1px solid var(--line-dark); }
.about__facts li { padding: 1.5rem 1.5rem 0 0; border-right: 1px solid var(--line-dark); margin-right: 1.5rem; }
.about__facts li:last-child { border-right: 0; }
.about__facts dt, .about__facts .k { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.about__facts .v { display: block; margin-top: .6rem; font-family: var(--f-display); font-size: clamp(1.1rem, .9rem + .6vw, 1.45rem); letter-spacing: -.01em; line-height: 1.25; }
@media (max-width: 860px) {
  .about__statement { grid-column: 1 / -1; }
  .about__facts { grid-template-columns: 1fr 1fr; }
  .about__facts li { border-right: 0; margin-right: 0; border-bottom: 1px solid var(--line-dark); padding-bottom: 1.25rem; }
}

/* 03 — El problema */
.problem__head { grid-column: 1 / span 7; }
.problem__aside { grid-column: 9 / span 4; align-self: end; }
.problem__list { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5.5rem); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.problem__item { padding: 2rem clamp(1rem, 2.5vw, 2.5rem) 0 0; position: relative; }
.problem__item + .problem__item { padding-left: clamp(1rem, 2.5vw, 2.5rem); border-left: 1px solid var(--line); }
.problem__item .num { font-family: var(--f-mono); font-size: .75rem; color: var(--accent); letter-spacing: .14em; }
.problem__item h3 { font-size: var(--fs-h3); margin: 1.5rem 0 1rem; line-height: 1.15; }
.problem__item p { color: var(--text-dim); font-size: var(--fs-small); max-width: 34ch; }
.problem__item .ctx { display: block; margin-top: 1.5rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; color: var(--steel-500); text-transform: uppercase; }
.problem__quote { grid-column: 3 / span 10; margin-top: clamp(4rem, 8vw, 7rem); font-family: var(--f-display); font-size: clamp(1.6rem, 1rem + 2.2vw, 3rem); line-height: 1.12; letter-spacing: -.025em; }
.problem__quote span { color: var(--text-dim); }
@media (max-width: 860px) {
  .problem__head, .problem__aside, .problem__quote { grid-column: 1 / -1; }
  .problem__aside { margin-top: 1.5rem; }
  .problem__list { grid-template-columns: 1fr; }
  .problem__item, .problem__item + .problem__item { padding: 2rem 0; border-left: 0; border-bottom: 1px solid var(--line); }
}

/* 04 — Método */
.method { background: var(--navy-900); border-block: 1px solid var(--line); overflow: hidden; }
.method__head { grid-column: 1 / span 6; }
.method__intro { grid-column: 8 / span 5; align-self: end; }
.method__track { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); position: relative; }
.method__track::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--line-strong); }
.method__track::after {
  content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: left; transition: transform 2.4s var(--ease-io) .3s;
}
.method__track.is-in::after { transform: scaleX(1); }
.method__step { position: relative; padding-right: 1.5rem; }
.method__step::before { content: ""; display: block; width: 15px; height: 15px; background: var(--navy-900); border: 1px solid var(--accent); transform: rotate(45deg) scale(.75); margin-bottom: 1.75rem; }
.method__step .num { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .14em; color: var(--accent-hi); }
.method__step h3 { font-family: var(--f-display); font-size: clamp(1.3rem, 1rem + .9vw, 1.9rem); letter-spacing: .02em; margin: .5rem 0 .75rem; }
.method__step p { color: var(--text-dim); font-size: var(--fs-small); max-width: 22ch; }
.method__note { grid-column: 1 / -1; margin-top: 3rem; }
@media (max-width: 960px) {
  .method__head, .method__intro { grid-column: 1 / -1; }
  .method__intro { margin-top: 1.5rem; }
  .method__track { grid-template-columns: 1fr; gap: 2rem; padding-left: 2.25rem; }
  .method__track::before, .method__track::after { left: 7px; right: auto; top: 0; bottom: 0; width: 1px; height: auto; }
  .method__track::after { transform: scaleY(0); transform-origin: top; }
  .method__track.is-in::after { transform: scaleY(1); }
  .method__step::before { position: absolute; left: -2.25rem; top: .15rem; margin: 0; }
  .method__step p { max-width: 46ch; }
}

/* 05 — Soluciones (composición editorial asimétrica) */
.solutions__head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: clamp(3rem, 6vw, 5rem); }
.solutions__grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 2rem); }
.sol-card { position: relative; display: block; align-self: start; color: var(--white); isolation: isolate; }
.sol-card--a { grid-column: 1 / span 8; }
.sol-card--b { grid-column: 9 / span 4; margin-top: clamp(3rem, 10vw, 9rem); }
.sol-card--c { grid-column: 5 / span 8; margin-top: clamp(1rem, 3vw, 2rem); }
.sol-card__media {
  position: relative; overflow: hidden; background: var(--navy-800); border: 1px solid var(--line);
  aspect-ratio: 16 / 10; clip-path: inset(0 0 0 0); transition: clip-path .9s var(--ease);
}
.sol-card--b .sol-card__media { aspect-ratio: 4 / 5; }
.sol-card--c .sol-card__media { aspect-ratio: 21 / 9; }
.sol-card__media > img, .sol-card__media > svg { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: transform 1.4s var(--ease), filter 1s var(--ease); }
.sol-card__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 11, 28, 0) 35%, rgba(0, 11, 28, .88) 100%); pointer-events: none; }
.sol-card:hover .sol-card__media, .sol-card:focus-visible .sol-card__media { clip-path: inset(10px 10px 10px 10px); }
.sol-card:hover .sol-card__media > img, .sol-card:hover .sol-card__media > svg { transform: scale(1.08); }
.sol-card__body { position: absolute; left: 0; right: 0; bottom: 0; padding: clamp(1.25rem, 2.5vw, 2.25rem); display: grid; gap: .6rem; z-index: 2; }
.sol-card__cat { font-family: var(--f-mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel-300); }
.sol-card__name { font-family: var(--f-display); font-size: clamp(2rem, 1.2rem + 3vw, 4.25rem); font-weight: 500; letter-spacing: .04em; line-height: .95; }
.sol-card--b .sol-card__name { font-size: clamp(1.9rem, 1.2rem + 1.8vw, 3rem); }
.sol-card__desc { color: var(--text); opacity: .82; max-width: 42ch; font-size: var(--fs-small); }
.sol-card__cta { margin-top: .5rem; display: inline-flex; align-items: center; gap: .7rem; font-family: var(--f-mono); font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; }
.sol-card__cta .arrow { width: 18px; color: var(--accent-hi); transition: transform .45s var(--ease); }
.sol-card:hover .sol-card__cta .arrow { transform: translateX(6px); }
.sol-card__index { position: absolute; top: 1.1rem; left: 1.25rem; z-index: 2; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .16em; color: var(--text-dim); }
@media (max-width: 960px) {
  .sol-card--a, .sol-card--b, .sol-card--c { grid-column: 1 / -1; grid-row: auto; margin-top: 0; }
  .sol-card--b .sol-card__media, .sol-card--c .sol-card__media { aspect-ratio: 16 / 10; }
}
@media (max-width: 560px) {
  .sol-card__media, .sol-card--b .sol-card__media, .sol-card--c .sol-card__media { aspect-ratio: 4 / 5; }
}

/* 06 — Capacidades (índice técnico) */
.caps__head { grid-column: 1 / span 5; position: sticky; top: 110px; align-self: start; }
.caps__list { grid-column: 7 / span 6; border-top: 1px solid var(--line); counter-reset: cap; }
.cap { display: grid; grid-template-columns: 3.25rem 1fr; gap: .25rem 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); position: relative; }
.cap::before {
  counter-increment: cap; content: counter(cap, decimal-leading-zero);
  font-family: var(--f-mono); font-size: .75rem; color: var(--steel-500); padding-top: .45rem; transition: color .3s;
}
.cap::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .6s var(--ease); }
.cap:hover::after { transform: scaleX(1); }
.cap:hover::before { color: var(--accent-hi); }
.cap h3 { font-family: var(--f-display); font-size: clamp(1.2rem, 1rem + .7vw, 1.6rem); font-weight: 500; letter-spacing: -.01em; line-height: 1.25; }
.cap p { grid-column: 2; color: var(--text-dim); font-size: var(--fs-small); max-width: 52ch; }
.cap .tags { grid-column: 2; display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; }
.tag { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .12em; padding: .2rem .5rem; border: 1px solid var(--line-strong); color: var(--text-dim); border-radius: var(--radius); }
@media (max-width: 960px) {
  .caps__head { grid-column: 1 / -1; position: static; margin-bottom: 2.5rem; }
  .caps__list { grid-column: 1 / -1; }
}

/* 07 — Ingeniería (principios) */
.eng { background: linear-gradient(180deg, var(--navy-950), var(--navy-900)); overflow: hidden; }
.eng__visual { position: absolute; inset: 0; opacity: .5; pointer-events: none; }
.eng__visual svg { width: 100%; height: 100%; }
.eng__head { grid-column: 1 / span 8; position: relative; }
.eng__grid { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); position: relative; }
.principle { padding: clamp(1.75rem, 3vw, 2.75rem) clamp(1rem, 3vw, 3rem) clamp(1.75rem, 3vw, 2.75rem) 0; border-bottom: 1px solid var(--line); }
.principle:nth-child(even) { padding-left: clamp(1rem, 3vw, 3rem); border-left: 1px solid var(--line); }
.principle .k { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent-hi); }
.principle blockquote { margin: 1rem 0 .9rem; font-family: var(--f-display); font-size: clamp(1.3rem, 1rem + 1.1vw, 2rem); line-height: 1.18; letter-spacing: -.02em; color: var(--white); }
.principle p { color: var(--text-dim); font-size: var(--fs-small); max-width: 46ch; }
@media (max-width: 860px) {
  .eng__head { grid-column: 1 / -1; }
  .eng__grid { grid-template-columns: 1fr; }
  .principle, .principle:nth-child(even) { padding: 1.75rem 0; border-left: 0; }
}

/* 08 — Proyectos / ámbitos */
.projects__head { grid-column: 1 / span 7; }
.projects__aside { grid-column: 9 / span 4; align-self: end; }
.projects__rows { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5rem); border-top: 1px solid var(--line); }
.prow {
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 4fr) minmax(0, 4fr) auto; gap: 1.5rem 2rem; align-items: start;
  padding: clamp(1.5rem, 3vw, 2.5rem) 0; border-bottom: 1px solid var(--line); position: relative; transition: background-color .4s;
}
.prow:hover { background: rgba(232, 237, 241, .025); }
.prow__name { font-family: var(--f-display); font-size: clamp(1.5rem, 1rem + 1.6vw, 2.4rem); letter-spacing: .04em; }
.prow__name small { display: block; margin-top: .5rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; color: var(--text-dim); text-transform: uppercase; }
.prow dt { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel-500); margin-bottom: .45rem; }
.prow dd { color: var(--text); font-size: var(--fs-small); max-width: 40ch; }
.prow__status { display: inline-flex; align-items: center; gap: .5rem; }
.prow__status::before { content: ""; width: 7px; height: 7px; background: var(--accent); transform: rotate(45deg); flex: none; }
.prow .link-arrow { align-self: center; }
.testimonials-slot { display: none; } /* Sección preparada para testimonios reales — activar cuando existan */
@media (max-width: 960px) {
  .projects__head, .projects__aside { grid-column: 1 / -1; }
  .projects__aside { margin-top: 1.5rem; }
  .prow { grid-template-columns: 1fr; }
}

/* 09 — Por qué SELOR */
.why { background: var(--paper); color: var(--ink); color-scheme: light; }
.why .eyebrow { color: var(--ink-2); }
.why__quote { grid-column: 1 / span 9; margin-top: 2rem; font-family: var(--f-display); font-size: var(--fs-h2); letter-spacing: -.035em; line-height: 1.02; }
.why__quote span { color: var(--accent-deep); }
.why__cols { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5.5rem); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.why__cols li { padding: 1.75rem 2rem 0 0; }
.why__cols li + li { padding-left: 2rem; border-left: 1px solid var(--line-dark); }
.why__cols .k { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .16em; color: var(--accent-deep); text-transform: uppercase; }
.why__cols h3 { font-size: var(--fs-h3); margin: 1rem 0 .75rem; }
.why__cols p { color: var(--ink-2); font-size: var(--fs-small); max-width: 36ch; }
@media (max-width: 860px) {
  .why__quote { grid-column: 1 / -1; }
  .why__cols { grid-template-columns: 1fr; }
  .why__cols li, .why__cols li + li { padding: 1.75rem 0; border-left: 0; border-bottom: 1px solid var(--line-dark); }
}

/* ==========================================================================
   Contacto
   ========================================================================== */
.contact { position: relative; overflow: hidden; isolation: isolate; }
.contact__bg { position: absolute; inset: 0; z-index: -1; opacity: .55; }
.contact__bg svg { width: 100%; height: 100%; }
.contact__title { grid-column: 1 / span 10; font-size: clamp(2.4rem, 1.2rem + 5vw, 6.25rem); letter-spacing: -.045em; line-height: .98; margin-top: 1.5rem; }
.contact__title em { font-style: normal; color: var(--steel-300); }
.contact__card { grid-column: 1 / span 4; margin-top: clamp(3rem, 6vw, 5rem); align-self: start; }
.contact__form { grid-column: 6 / span 7; margin-top: clamp(3rem, 6vw, 5rem); }
.person { padding-top: 1.5rem; border-top: 1px solid var(--line); }
.person__name { font-family: var(--f-display); font-size: 1.5rem; letter-spacing: -.01em; color: var(--white); }
.person__role { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .14em; color: var(--accent-hi); margin-top: .35rem; text-transform: uppercase; }
.person__list { margin-top: 2rem; display: grid; gap: 0; }
.person__list li { border-top: 1px solid var(--line); }
.person__list a, .person__list span { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem 0; font-size: var(--fs-small); }
.person__list a { transition: color .3s; }
.person__list a:hover { color: var(--accent-hi); }
.person__list .k { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; color: var(--steel-500); text-transform: uppercase; flex: none; }
.person__list .v { text-align: right; word-break: break-word; }

.form { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
.field { position: relative; grid-column: span 1; padding-top: 1.35rem; }
.field--full { grid-column: 1 / -1; }
.field label { position: absolute; top: 0; left: 0; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
.field label .req { color: var(--accent-hi); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 52px; padding: .75rem 0; background: transparent; border: 0; border-bottom: 1px solid var(--line-strong);
  border-radius: 0; color: var(--white); font-size: 1.0625rem; transition: border-color .3s; appearance: none; -webkit-appearance: none;
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.5; }
.field select { background-image: linear-gradient(45deg, transparent 50%, var(--text-dim) 50%), linear-gradient(135deg, var(--text-dim) 50%, transparent 50%); background-position: calc(100% - 12px) 24px, calc(100% - 7px) 24px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2rem; }
.field select option { background: var(--navy-900); color: var(--white); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-bottom-color: var(--accent-hi); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { box-shadow: 0 1px 0 0 var(--accent-hi); }
.field::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--accent-hi); transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease); }
.field:focus-within::after { transform: scaleX(1); }
.field .err { display: block; min-height: 1.4rem; padding-top: .3rem; font-size: .8rem; color: #D38E82; }
.field [aria-invalid="true"] { border-bottom-color: #D38E82; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.consent { grid-column: 1 / -1; display: flex; gap: .85rem; align-items: flex-start; margin: .75rem 0 1.5rem; font-size: .875rem; color: var(--text-dim); }
.consent input { flex: none; width: 20px; height: 20px; margin-top: .1rem; accent-color: var(--accent); }
.consent a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.form__actions { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }
.form__status { font-size: .9rem; color: var(--text-dim); }
.form__status.is-ok { color: var(--accent-hi); }
.form__status.is-error { color: #D38E82; }
.form__status a { text-decoration: underline; }
@media (max-width: 960px) {
  .contact__title, .contact__card, .contact__form { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .form { grid-template-columns: 1fr; }
  .field { grid-column: 1 / -1; }
  .form__actions .btn { width: 100%; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid var(--line); padding: clamp(3.5rem, 7vw, 6rem) 0 2rem; background: var(--navy-950); }
.footer__top { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 2rem; }
.footer__brand { grid-column: 1 / span 5; }
.footer__brand p { margin-top: 1.5rem; color: var(--text-dim); font-size: var(--fs-small); max-width: 34ch; }
.footer__col { grid-column: span 2; }
.footer__col:first-of-type { grid-column: 7 / span 2; }
.footer__col h2 { font-family: var(--f-mono); font-size: .7rem; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--steel-500); margin-bottom: 1.1rem; }
.footer__col li { font-size: var(--fs-small); }
.footer__col li + li { margin-top: .55rem; }
.footer__brand img { height: 50px; width: auto; }
.footer__col a { font-size: var(--fs-small); color: var(--text); transition: color .3s; }
.footer__col a:hover { color: var(--accent-hi); }
.footer__bottom { margin-top: clamp(3rem, 6vw, 5rem); padding-top: 1.5rem; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; color: var(--steel-500); text-transform: uppercase; }
.footer__bottom a:hover { color: var(--text); }
.footer__word { margin-top: clamp(2.5rem, 5vw, 4rem); font-family: var(--f-display); font-weight: 500; font-size: min(12.4vw, 11.5rem); line-height: .8; letter-spacing: .08em; color: transparent; -webkit-text-stroke: 1px rgba(232, 237, 241, .12); user-select: none; white-space: nowrap; overflow: hidden; }
@media (max-width: 860px) {
  .footer__brand { grid-column: 1 / -1; }
  .footer__col, .footer__col:first-of-type { grid-column: span 6; }
}

/* ==========================================================================
   Páginas de solución
   ========================================================================== */
.s-hero { position: relative; min-height: min(92vh, 940px); min-height: min(92svh, 940px); display: flex; align-items: flex-end; padding: calc(var(--header-h) + 3rem) 0 clamp(2.5rem, 5vw, 4.5rem); overflow: hidden; isolation: isolate; }
.s-hero__media { position: absolute; inset: 0; z-index: -1; }
.s-hero__media img, .s-hero__media svg { width: 100%; height: 100%; object-fit: cover; }
.s-hero__media img { transform: scale(1.08); transition: transform 2.6s var(--ease); }
.is-ready .s-hero__media img { transform: scale(1); }
.s-hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 11, 28, .6) 0%, rgba(0, 11, 28, .15) 35%, rgba(0, 11, 28, .7) 70%, var(--navy-950) 100%), linear-gradient(90deg, rgba(0, 11, 28, .75) 0%, transparent 60%); }
.crumbs { display: flex; flex-wrap: wrap; gap: .5rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); margin-bottom: 1.75rem; }
.crumbs a:hover { color: var(--white); }
.crumbs li + li::before { content: "/"; margin-right: .5rem; color: var(--steel-500); }
.s-hero__name { font-family: var(--f-display); font-weight: 500; font-size: clamp(3.5rem, 1.5rem + 9vw, 10rem); letter-spacing: .02em; line-height: .86; color: var(--white); }
.s-hero__claim { margin-top: 1.25rem; font-family: var(--f-display); font-size: clamp(1.5rem, 1rem + 2vw, 2.75rem); letter-spacing: -.025em; line-height: 1.1; max-width: 22ch; }
.s-hero__foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: end; margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.5rem; border-top: 1px solid var(--line); }
.s-hero__meta { display: flex; flex-wrap: wrap; gap: .5rem 2rem; }
.s-hero__meta div { display: grid; gap: .3rem; }
.s-hero__meta dt { font-family: var(--f-mono); font-size: .66rem; letter-spacing: .16em; color: var(--steel-500); text-transform: uppercase; }
.s-hero__meta dd { font-size: var(--fs-small); color: var(--text); }
@media (max-width: 860px) { .s-hero__foot { grid-template-columns: 1fr; } }

.s-nav { position: sticky; top: 66px; z-index: 50; background: rgba(0, 11, 28, .88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-block: 1px solid var(--line); }
.s-nav ol { display: flex; gap: clamp(1rem, 3vw, 2.5rem); overflow-x: auto; scrollbar-width: none; padding-block: .1rem; }
.s-nav ol::-webkit-scrollbar { display: none; }
.s-nav a { display: block; padding: 1rem 0; white-space: nowrap; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); border-bottom: 1px solid transparent; transition: color .3s, border-color .3s; }
.s-nav a:hover, .s-nav a.is-active { color: var(--white); border-bottom-color: var(--accent); }
.s-nav span { color: var(--accent); margin-right: .4rem; }

.chapter { padding-block: var(--section-y); border-bottom: 1px solid var(--line); scroll-margin-top: 120px; }
.chapter__label { grid-column: 1 / span 3; }
.chapter__main { grid-column: 4 / span 9; }
.chapter__title { font-size: var(--fs-h2); max-width: 18ch; }
.chapter__lead { margin-top: 1.5rem; font-size: var(--fs-lead); color: var(--text-dim); max-width: 50ch; line-height: 1.5; }
@media (max-width: 960px) {
  .chapter__label, .chapter__main { grid-column: 1 / -1; }
  .chapter__label { margin-bottom: 1.5rem; }
}

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); }
.cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cards--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { padding: 1.75rem 1.5rem 1.75rem 0; border-bottom: 1px solid var(--line); }
.card + .card { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.cards--2 .card:nth-child(odd), .cards:not(.cards--3):not(.cards--4) .card:nth-child(odd) { padding-left: 0; border-left: 0; }
.card .num { font-family: var(--f-mono); font-size: .72rem; color: var(--accent-hi); letter-spacing: .14em; }
.card h3 { font-family: var(--f-display); font-size: clamp(1.15rem, 1rem + .5vw, 1.45rem); font-weight: 500; letter-spacing: -.01em; margin: .9rem 0 .6rem; line-height: 1.2; }
.card p, .card li { color: var(--text-dim); font-size: var(--fs-small); }
.card ul { display: grid; gap: .4rem; }
.card li { padding-left: 1rem; position: relative; }
.card li::before { content: ""; position: absolute; left: 0; top: .7em; width: 5px; height: 1px; background: var(--accent); }
@media (max-width: 1080px) { .cards--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cards--4 .card:nth-child(3) { padding-left: 0; border-left: 0; } }
@media (max-width: 760px) {
  .cards, .cards--3, .cards--4 { grid-template-columns: 1fr; }
  .card, .card + .card { padding: 1.5rem 0; border-left: 0; }
}

.statement { margin-top: clamp(2.5rem, 5vw, 4rem); padding: clamp(1.5rem, 3vw, 2.5rem); border: 1px solid var(--line); border-left: 2px solid var(--accent); background: rgba(232, 237, 241, .02); }
.statement p { font-family: var(--f-display); font-size: clamp(1.25rem, 1rem + 1vw, 1.9rem); line-height: 1.2; letter-spacing: -.02em; color: var(--white); }
.statement p.note { margin-top: .9rem; font-family: var(--f-mono); font-size: .75rem; letter-spacing: .04em; line-height: 1.5; color: var(--steel-300); }

.figure { margin-top: clamp(2.5rem, 5vw, 4rem); border: 1px solid var(--line); background: var(--navy-900); position: relative; overflow: hidden; }
.figure svg { width: 100%; height: auto; }
.figure figcaption { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding: .9rem 1.1rem; border-top: 1px solid var(--line); font-family: var(--f-mono); font-size: .7rem; letter-spacing: .12em; color: var(--steel-500); text-transform: uppercase; }

.steps { margin-top: clamp(2.5rem, 5vw, 4rem); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1.25rem; counter-reset: st; }
.steps--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.step { position: relative; padding: 1.5rem; border: 1px solid var(--line); background: rgba(232, 237, 241, .02); transition: border-color .4s, transform .5s var(--ease); }
.step:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.step .num { font-family: var(--f-mono); font-size: .72rem; color: var(--accent-hi); letter-spacing: .14em; }
.step h3 { font-family: var(--f-display); font-size: 1.25rem; font-weight: 500; margin: 1.25rem 0 .5rem; letter-spacing: .01em; }
.step p { color: var(--text-dim); font-size: var(--fs-small); }
.step .meta { display: block; margin-top: 1rem; font-family: var(--f-mono); font-size: .7rem; letter-spacing: .1em; color: var(--steel-300); }
@media (max-width: 1080px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .steps, .steps--3 { grid-template-columns: 1fr; } }

.table-wrap { margin-top: clamp(2.5rem, 5vw, 4rem); overflow-x: auto; border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: var(--fs-small); }
.table th, .table td { text-align: left; padding: 1rem 1.1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.table thead th { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel-300); font-weight: 500; background: rgba(232, 237, 241, .03); }
.table tbody th { font-weight: 500; color: var(--text); font-family: var(--f-mono); font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.table td { color: var(--text-dim); }
.table .hl { color: var(--white); background: rgba(95, 179, 142, .06); }
.table thead .hl { color: var(--accent-hi); }
.table tr:last-child th, .table tr:last-child td { border-bottom: 0; }

.spec-list { margin-top: clamp(2.5rem, 5vw, 4rem); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.spec { display: grid; grid-template-columns: 2.25rem 1fr; gap: .2rem .75rem; padding: 1.25rem 1.5rem 1.25rem 0; border-bottom: 1px solid var(--line); }
.spec:nth-child(even) { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.spec svg { width: 24px; height: 24px; color: var(--accent-hi); margin-top: .15rem; }
.spec h3 { font-family: var(--f-display); font-size: 1.1rem; font-weight: 500; }
.spec p { grid-column: 2; color: var(--text-dim); font-size: var(--fs-small); }
@media (max-width: 760px) { .spec-list { grid-template-columns: 1fr; } .spec, .spec:nth-child(even) { padding-left: 0; border-left: 0; } }

.gallery { margin-top: clamp(2.5rem, 5vw, 4rem); display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: clamp(.75rem, 1.5vw, 1.25rem); }
.gallery figure { position: relative; overflow: hidden; border: 1px solid var(--line); background: var(--navy-900); }
.gallery figure:nth-child(1) { grid-column: 1 / span 8; }
.gallery figure:nth-child(2) { grid-column: 9 / span 4; }
.gallery figure:nth-child(3) { grid-column: 1 / -1; }
.gallery img, .gallery svg { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.gallery figure:hover img, .gallery figure:hover svg { transform: scale(1.03); }
.gallery figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: .75rem 1rem; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text); background: linear-gradient(180deg, transparent, rgba(0, 11, 28, .9)); }
@media (max-width: 760px) { .gallery figure:nth-child(n) { grid-column: 1 / -1; } }

.cta-band { position: relative; padding-block: var(--section-y); overflow: hidden; isolation: isolate; text-align: left; }
.cta-band::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(70% 90% at 85% 100%, rgba(0, 168, 107, .08), transparent 60%); }
.cta-band h2 { font-size: clamp(2.2rem, 1.2rem + 4vw, 5.25rem); letter-spacing: -.04em; max-width: 16ch; }
.cta-band p { margin-top: 1.5rem; }
.cta-band .btn-row { margin-top: 2.5rem; }

.next-sol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.next-sol a { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: clamp(1.75rem, 4vw, 3rem) var(--gutter); border-bottom: 1px solid var(--line); transition: background-color .4s; }
.next-sol a + a { border-left: 1px solid var(--line); }
.next-sol a:hover { background: rgba(232, 237, 241, .03); }
.next-sol small { display: block; font-family: var(--f-mono); font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel-500); margin-bottom: .5rem; }
.next-sol b { font-family: var(--f-display); font-weight: 500; font-size: clamp(1.6rem, 1rem + 2vw, 2.75rem); letter-spacing: .04em; }
.next-sol .arrow { width: 22px; color: var(--accent-hi); transition: transform .45s var(--ease); }
.next-sol a:hover .arrow { transform: translateX(6px); }
@media (max-width: 700px) { .next-sol { grid-template-columns: 1fr; } .next-sol a + a { border-left: 0; } }

/* Documento legal */
.doc { max-width: 76ch; }
.doc h1 { font-size: var(--fs-h2); margin: 1.5rem 0 2rem; }
.doc h2 { font-size: 1.5rem; margin: 3rem 0 1rem; letter-spacing: -.01em; }
.doc p, .doc li { color: var(--text-dim); margin-bottom: 1rem; }
.doc ul { list-style: disc; padding-left: 1.25rem; }
.doc a { color: var(--text); text-decoration: underline; text-underline-offset: 3px; }
.placeholder { font-family: var(--f-mono); font-size: .85em; color: var(--ember); }

/* ==========================================================================
   Visualizaciones SVG (sistemas)
   ========================================================================== */
.viz text { font-family: var(--f-mono); letter-spacing: .12em; }
.viz .draw { stroke-dasharray: var(--len, 1200); stroke-dashoffset: var(--len, 1200); transition: stroke-dashoffset 2.6s var(--ease-io); }
.is-in .viz .draw, .viz.is-in .draw { stroke-dashoffset: 0; }
.viz .pop { opacity: 0; transition: opacity .8s var(--ease); }
.is-in .viz .pop, .viz.is-in .pop { opacity: 1; }
.is-in .viz .pop.d1, .viz.is-in .pop.d1 { transition-delay: .8s; }
.is-in .viz .pop.d2, .viz.is-in .pop.d2 { transition-delay: 1.3s; }
.is-in .viz .pop.d3, .viz.is-in .pop.d3 { transition-delay: 1.8s; }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(28px); filter: blur(4px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease), filter 1.1s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; filter: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }
.reveal-clip { clip-path: inset(0 0 100% 0); transition: clip-path 1.3s var(--ease-io); }
.reveal-clip.is-in { clip-path: inset(0 0 0 0); }
.no-js .reveal, .no-js .reveal-clip { opacity: 1; transform: none; filter: none; clip-path: none; }
.no-js .hero__title .line > span, .no-js .fade-up { transform: none; opacity: 1; }
.no-js .hero__terrain { opacity: 1; }

/* ==========================================================================
   Movimiento reducido
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .reveal, .reveal-clip { opacity: 1; transform: none; filter: none; clip-path: none; }
  .hero__scan { display: none; }
  ::view-transition-old(root), ::view-transition-new(root) { animation: none; }
}

@media print {
  .site-header, .mobile-menu, .s-nav, .hero__bg, .contact__form { display: none !important; }
  body { background: #fff; color: #000; }
}

/* Tarjeta VIGIA: el texto se apoya sobre un degradado lateral para no competir con la visualización */
.sol-card--c .sol-card__media::after { background: linear-gradient(90deg, rgba(0, 11, 28, .94) 0%, rgba(0, 11, 28, .62) 42%, rgba(0, 11, 28, 0) 72%), linear-gradient(180deg, transparent 55%, rgba(0, 11, 28, .7) 100%); }
.sol-card--c .sol-card__body { max-width: 60%; }
@media (max-width: 560px) { .sol-card--c .sol-card__body { max-width: none; } }

/* Nota editorial en el hueco izquierdo junto a la tarjeta VIGIA */
.sol-note { grid-column: 1 / span 3; grid-row: 2; align-self: end; padding-left: 1rem; border-left: 1px solid var(--accent); max-width: 34ch; }
@media (max-width: 960px) { .sol-note { grid-column: 1 / -1; grid-row: auto; } }

/* Fotografía de fondo del hero: la topografía generativa queda como capa técnica encima */
.hero__pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 62% 50%; opacity: 0; filter: none; transform: scale(1.04); transition: opacity 1.6s var(--ease), transform 3s var(--ease); }
.is-ready .hero__pic img { opacity: 1; transform: scale(1); }
.no-js .hero__pic img { opacity: 1; transform: none; }
.hero__pic ~ .hero__terrain { mix-blend-mode: screen; }
.is-ready .hero__pic ~ .hero__terrain { opacity: .14; }
.hero__bg::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(0, 11, 28, .92) 0%, rgba(0, 11, 28, .62) 38%, rgba(0, 11, 28, .05) 78%); }
.hero__bg::after { z-index: 1; }
.hero__terrain { z-index: 1; }
@media (max-width: 860px) { .hero__bg::before { background: linear-gradient(180deg, rgba(0, 11, 28, .35) 0%, rgba(0, 11, 28, .15) 28%, rgba(0, 11, 28, .7) 58%, var(--navy-950) 100%); } }
/* Fotografías en tarjetas y galerías: tono uniforme con la paleta */
.sol-card__media > img, .gallery img, .figure img { filter: saturate(.8); }
.figure img { width: 100%; height: auto; display: block; }

/* ---------- Imágenes conceptuales IA (heros y fondo de Ingeniería) ---------- */
.hero__pic, .s-hero__pic, .eng__pic { position: absolute; inset: 0; display: block; }
.s-hero__pic img, .eng__pic img { width: 100%; height: 100%; object-fit: cover; }
.s-hero__media .s-hero__pic img { transform: scale(1.05); transition: transform 2.6s var(--ease); }
.is-ready .s-hero__media .s-hero__pic img { transform: scale(1); }
/* Encuadre por página: el motivo principal queda visible en escritorio y móvil */
.s-hero--aerofire .s-hero__pic img { object-position: 68% 50%; }
.s-hero--vigia .s-hero__pic img { object-position: 60% 50%; }
.s-hero--vilkas .s-hero__pic img { object-position: 28% 50%; }
@media (max-width: 760px) { .hero__pic img, .s-hero__pic img { object-position: 50% 50%; } }
/* Fondo de Ingeniería: presente pero sin competir con el texto */
.eng__visual { opacity: 1; }
.eng__pic img { opacity: .95; object-position: 70% 50%; }
.eng__visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--navy-950) 0%, rgba(0, 11, 28, .15) 22%, rgba(0, 11, 28, .45) 55%, rgba(0, 11, 28, .88) 100%), linear-gradient(90deg, rgba(0, 11, 28, .7) 0%, rgba(0, 11, 28, .1) 65%); }
/* Rótulo discreto de transparencia */
.ai-note { position: absolute; right: var(--gutter); bottom: .85rem; z-index: 3; margin: 0; font-family: var(--f-mono); font-size: .625rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(232, 237, 241, .5); pointer-events: none; }
.eng .ai-note { bottom: 1.25rem; }
@media (max-width: 760px) { .ai-note { right: auto; left: var(--gutter); bottom: .5rem; font-size: .58rem; } }
/* VILKAS: imagen más luminosa en la zona superior izquierda → superposición algo más densa */
.s-hero--vilkas .s-hero__media::after { background: linear-gradient(180deg, rgba(0, 11, 28, .78) 0%, rgba(0, 11, 28, .3) 32%, rgba(0, 11, 28, .72) 70%, var(--navy-950) 100%), linear-gradient(90deg, rgba(0, 11, 28, .85) 0%, rgba(0, 11, 28, .35) 55%, transparent 80%); }