/* =========================================================
   COREX Ingeniería
   Mundo visual: la X del logotipo, desarmada en sus piezas
   (chevron, dos brazos y triángulos de muesca), siempre a 45°
   y con la misma separación que tiene la letra.
   ========================================================= */

:root {
  /* Paleta del manual de marca */
  --verde: #09443A;
  --verde-seco: #486A5A;
  --musgo: #7C9270;
  --violeta: #423B56;
  --carbon: #263130;
  --blanco: #FFFFFF;

  /* Derivados */
  --profundo: #062E27;
  --papel: #F2F4F1;
  --tinta: #102722;
  --tinta-suave: #4A5D57;
  --linea: rgba(9, 68, 58, .16);
  --linea-clara: rgba(255, 255, 255, .16);
  --claro-suave: rgba(255, 255, 255, .74);
  --error: #A8432F;

  --font: "Montserrat", "Helvetica Neue", Arial, sans-serif;

  /* Curvas (Emil Kowalski): ease-out fuerte para entradas,
     ease-in-out para movimiento en pantalla */
  --ease-out: cubic-bezier(.23, 1, .32, 1);
  --ease-in-out: cubic-bezier(.77, 0, .175, 1);

  --wrap: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
  --sec-y: clamp(88px, 11vw, 152px);
  --radius: 2px;
  --nav-h: 76px;

  color-scheme: light;
  accent-color: var(--verde);

  --intro: 0s;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-text-size-adjust: 100%; scrollbar-color: var(--verde-seco) var(--papel); }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--tinta);
  background: var(--blanco);
  caret-color: var(--verde);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, dl, dd, figure { margin: 0; }
button { font: inherit; cursor: pointer; }
::selection { background: var(--musgo); color: var(--blanco); }
:focus-visible { outline: 2px solid var(--musgo); outline-offset: 3px; border-radius: var(--radius); }
.defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--sec-y); }
.section--green { background: var(--verde); color: var(--blanco); }
.section--paper { background: var(--papel); }

.skip { position: absolute; left: 16px; top: -64px; z-index: 300; background: var(--blanco); color: var(--verde); padding: 12px 18px; font-weight: 600; text-decoration: none; }
.skip:focus { top: 16px; }

/* ---------- Tipografía: el par ExtraBold + Light del portfolio ---------- */
.h2 {
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.04;
  letter-spacing: -.02em;
  text-transform: uppercase;
  text-wrap: balance;
  color: var(--verde);
}
.h2__strong { display: block; font-weight: 800; }
.h2__light { display: block; font-weight: 300; }
.section--green .h2 { color: var(--blanco); }
.lead { font-size: clamp(18px, 1.5vw, 21px); line-height: 1.55; max-width: 34em; }

/* ---------- Botones ---------- */
.btn {
  --bg: var(--blanco); --fg: var(--verde); --bg-h: #E6ECE8;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 0 26px; border: 0; border-radius: var(--radius);
  background: var(--bg); color: var(--fg);
  font-size: 15px; font-weight: 600; text-decoration: none; letter-spacing: .01em;
  transition: background-color .2s ease, color .2s ease, transform .16s var(--ease-out);
}
.btn:hover { background: var(--bg-h); }
.btn:active { transform: scale(.97); }
.btn__icon { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: square; transition: transform .2s var(--ease-out); }
.btn:hover .btn__icon { transform: translateX(3px); }
.btn--light { --bg: var(--blanco); --fg: var(--verde); --bg-h: #E2EAE5; }
.btn--dark { --bg: var(--verde); --fg: var(--blanco); --bg-h: var(--profundo); }
.btn--ghost { --bg: transparent; --fg: var(--blanco); --bg-h: rgba(255, 255, 255, .08); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .4); }
.btn--sm { min-height: 42px; padding: 0 18px; font-size: 14px; }

/* ---------- NAV ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background-color .3s ease, box-shadow .3s ease, transform .35s var(--ease-out);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-h); }
.nav__logo { position: relative; display: block; width: 140px; }
.nav__logo img { width: 140px; transition: opacity .25s ease; }
.nav__logo-dark { position: absolute; inset: 0; opacity: 0; }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links > a:not(.btn) {
  font-size: 14px; font-weight: 500; color: var(--claro-suave); text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; padding-block: 4px;
  transition: color .2s ease, background-size .3s var(--ease-out);
}
.nav__links > a:not(.btn):hover { color: var(--blanco); background-size: 100% 1px; }
.nav.is-solid { background: rgba(255, 255, 255, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--linea); }
.nav.is-solid .nav__logo-light { opacity: 0; }
.nav.is-solid .nav__logo-dark { opacity: 1; }
.nav.is-solid .nav__links > a:not(.btn) { color: var(--tinta-suave); }
.nav.is-solid .nav__links > a:not(.btn):hover { color: var(--verde); }
.nav.is-solid .btn--light { --bg: var(--verde); --fg: var(--blanco); --bg-h: var(--profundo); }
.nav.is-hidden { transform: translateY(-100%); }

.nav__toggle { display: none; position: relative; width: 44px; height: 44px; border: 0; background: none; z-index: 120; }
.nav__toggle span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--blanco); transition: transform .3s var(--ease-out), top .3s var(--ease-out), background-color .2s; }
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child { top: 25px; }
.nav.is-solid .nav__toggle span { background: var(--verde); }
body.menu-open .nav { background: transparent; box-shadow: none; backdrop-filter: none; transform: none; }
body.menu-open .nav__logo-light { opacity: 1; }
body.menu-open .nav__logo-dark { opacity: 0; }
body.menu-open .nav__toggle span { background: var(--blanco); top: 21px; }
body.menu-open .nav__toggle span:first-child { transform: rotate(45deg); }
body.menu-open .nav__toggle span:last-child { transform: rotate(-45deg); }
body.menu-open { overflow: hidden; }

.menu { position: fixed; inset: 0; z-index: 90; background: var(--verde); display: flex; align-items: center; }
.menu[hidden] { display: none; }
.menu:not([hidden]) { animation: menu-in .4s var(--ease-out); }
@keyframes menu-in { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0); } }
.menu__links { display: grid; gap: 4px; }
.menu__links a { color: var(--blanco); text-decoration: none; font-size: clamp(32px, 9vw, 52px); font-weight: 800; text-transform: uppercase; letter-spacing: -.01em; line-height: 1.3; }

/* ---------- HERO ---------- */
.hero {
  position: relative; overflow: hidden; color: var(--blanco);
  background: radial-gradient(90% 70% at 70% 45%, #0B5144 0%, var(--verde) 45%, var(--profundo) 100%);
  padding-top: var(--nav-h);
}
.hero__lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero__lines path { fill: none; stroke: rgba(255, 255, 255, .22); stroke-width: 1; vector-effect: non-scaling-stroke; stroke-dasharray: 2400; stroke-dashoffset: 2400; animation: draw 2.4s var(--ease-out) calc(var(--intro) + .5s) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }

.hero__inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); align-items: center; gap: clamp(24px, 4vw, 64px);
  min-height: min(calc(100svh - var(--nav-h)), 860px); padding-block: clamp(40px, 6vw, 72px);
}
.hero__title { text-transform: uppercase; line-height: 1; letter-spacing: -.02em; font-size: clamp(40px, 6vw, 92px); margin-bottom: 28px; }
.hero__title-strong { display: block; font-weight: 800; }
.hero__title-light { display: block; font-weight: 300; }
.hero__lead { font-size: clamp(17px, 1.4vw, 20px); color: var(--claro-suave); max-width: 30em; margin-bottom: 36px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__fact { margin-top: 40px; font-size: 13px; font-weight: 500; letter-spacing: .06em; color: rgba(255, 255, 255, .6); display: flex; align-items: center; gap: 12px; }
.hero__fact::before { content: ""; width: 10px; height: 10px; background: var(--musgo); clip-path: polygon(0 0, 100% 50%, 0 100%); flex: none; }

/* Entrada del hero: una sola vez, al cargar */
.hero__title > span, .hero__lead, .hero__ctas, .hero__fact { animation: rise .9s var(--ease-out) var(--intro) both; }
.hero__title-light { animation-delay: calc(var(--intro) + .08s) !important; }
.hero__lead { animation-delay: calc(var(--intro) + .16s); }
.hero__ctas { animation-delay: calc(var(--intro) + .24s); }
.hero__fact { animation-delay: calc(var(--intro) + .32s); }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } }

.hero__art { position: relative; align-self: stretch; display: flex; align-items: center; margin-right: calc(var(--gutter) * -1); }
.xmark { width: 100%; height: auto; overflow: visible; }
.hero .xmark { max-height: 78vh; }

/* Piezas de la X */
.xp { fill: var(--blanco); translate: calc(var(--fx) * var(--s, 0) * 1px) calc(var(--fy) * var(--s, 0) * 1px); }
.xp--up { fill: var(--blanco); }
.xp--down { fill: var(--musgo); }
.xp--notch-r { fill: var(--violeta); }
.xp--notch-l { fill: var(--verde-seco); }
.xp__tint { fill: var(--verde); opacity: .28; mix-blend-mode: multiply; }
.xp__photo { transform-box: fill-box; transform-origin: center; animation: settle 2.2s var(--ease-out) var(--intro) both; }
@keyframes settle { from { transform: scale(1.12); } }

.hero .xp { animation: assemble 1.25s var(--ease-out) both; }
.hero .xp--chevron { animation-delay: calc(var(--intro) + .1s); }
.hero .xp--up { animation-delay: calc(var(--intro) + .22s); }
.hero .xp--down { animation-delay: calc(var(--intro) + .32s); }
.hero .xp--notch-r { animation-delay: calc(var(--intro) + .62s); }
.hero .xp--notch-l { animation-delay: calc(var(--intro) + .7s); }
@keyframes assemble { from { opacity: 0; transform: translate(calc(var(--fx) * 160px), calc(var(--fy) * 160px)); } }


/* ---------- COMPUERTA DE ENTRADA ----------
   La X del logotipo (834 × 640) sobre el fondo institucional, cortada en
   tres hojas por la línea media de la separación de la X. Al bajar, el ">"
   sale hacia la izquierda y cada brazo por su diagonal; al subir se cierra. */
.gate { display: none; }
html.has-gate .gate { display: block; position: fixed; inset: 0; z-index: 200; pointer-events: none; }
.gate.is-open { visibility: hidden; }
.gate__door { position: absolute; inset: 0; will-change: transform; }
.gate__face {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: var(--profundo) url("../img/fondo-corex.jpg") center / cover no-repeat;
}
.gate__face::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 60% at 50% 50%, rgba(6, 46, 39, .55), rgba(6, 46, 39, .15)); }
.gate__x { position: relative; width: min(64vw, 60vh * 834 / 640); height: auto; overflow: visible; }
.gate__line { fill: none; stroke: var(--musgo); stroke-width: 1.5; vector-effect: non-scaling-stroke; stroke-dasharray: 1; stroke-dashoffset: 1; animation: gate-draw .8s var(--ease-out) both, gate-fade .3s ease 1.1s forwards; }
.gate__piece { fill: var(--blanco); animation: gate-in .9s var(--ease-out) both; }
.gate__piece--chevron { animation-delay: .35s; }
.gate__piece--up { animation-delay: .5s; }
.gate__piece--down { animation-delay: .6s; }
@keyframes gate-draw { to { stroke-dashoffset: 0; } }
@keyframes gate-fade { to { opacity: 0; } }
@keyframes gate-in { from { opacity: 0; transform: translate(calc(var(--fx) * 140px), calc(var(--fy) * 140px)); } }
.gate__logo { position: absolute; top: max(24px, env(safe-area-inset-top, 0px)); left: var(--gutter); width: 140px; }
.gate__cue {
  position: absolute; bottom: max(28px, env(safe-area-inset-bottom, 0px)); left: 0; right: 0;
  display: grid; justify-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .78);
  animation: gate-cue-in .6s var(--ease-out) 1.2s both;
}
.gate__cue svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; animation: gate-cue 1.8s var(--ease-in-out) 1.8s infinite; }
@keyframes gate-cue-in { from { opacity: 0; } }
@keyframes gate-cue { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* El hero queda fijo detrás mientras la compuerta se abre */
.opening { position: relative; }
.opening__track { display: none; }
html.has-gate .opening .hero { position: sticky; top: 0; }
html.has-gate .opening__track { display: block; height: 100svh; }
/* Con compuerta, la X del hero se arma con el scroll y no al cargar */
html.has-gate .hero .xp,
html.has-gate .hero__title > span, html.has-gate .hero__lead,
html.has-gate .hero__ctas, html.has-gate .hero__fact { animation: none; }
html.has-gate .hero__lines path { animation: none; stroke-dashoffset: 0; }

/* ---------- NOSOTROS ---------- */
.about__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(48px, 7vw, 112px); align-items: center; }
.about__text .h2 { margin-bottom: 32px; }
.about__text .lead { color: var(--verde); margin-bottom: 18px; }
.about__text > p:not(.lead) { color: var(--tinta-suave); max-width: 36em; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--linea); }
.pillar dt { display: flex; align-items: center; gap: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; font-size: 14px; color: var(--verde); margin-bottom: 8px; }
.pillar dd { font-size: 15px; color: var(--tinta-suave); line-height: 1.55; }
.tile { width: 18px; height: 18px; flex: none; }
.tile__bg { fill: var(--verde); }
.tile__a { fill: var(--musgo); }
.tile__b { fill: var(--blanco); }
.tile__c { fill: var(--violeta); }

.about__media { position: relative; padding: 0 0 clamp(48px, 6vw, 80px) clamp(48px, 6vw, 80px); }
.about__photo { overflow: hidden; aspect-ratio: 4 / 5; clip-path: polygon(0 0, calc(100% - 64px) 0, 100% 64px, 100% 100%, 0 100%); }
.about__photo img { width: 100%; height: 100%; object-fit: cover; }
.tiles { position: absolute; left: 0; bottom: 0; width: clamp(150px, 16vw, 216px); height: auto; }
.tiles .t { translate: 0 calc(var(--s, 0) * (1 + var(--i) * .35) * 1px); opacity: calc(1 - var(--s, 0) / 140); }

/* ---------- SERVICIOS ---------- */
.services__head { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 40px; align-items: end; margin-bottom: clamp(48px, 6vw, 80px); }
.services__head .lead { color: var(--claro-suave); }
.svc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 2.4vw, 32px); }
.svc { display: grid; grid-template-rows: auto auto 1fr; }
.svc__photo { overflow: hidden; aspect-ratio: 4 / 5; margin-bottom: 24px; clip-path: polygon(0 0, calc(100% - 48px) 0, 100% 48px, 100% 100%, 0 100%); background: var(--profundo); }
.svc__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease-out); }
.svc:hover .svc__photo img { transform: scale(1.03); }
.svc h3 { font-size: clamp(20px, 1.8vw, 24px); font-weight: 800; text-transform: uppercase; letter-spacing: -.005em; margin-bottom: 10px; }
.svc p { color: var(--claro-suave); font-size: 16px; max-width: 30em; }

.chain { margin-top: clamp(64px, 8vw, 104px); padding-top: 32px; border-top: 1px solid var(--linea-clara); display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 2fr); gap: 32px; align-items: center; }
.chain__title { font-weight: 600; font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--musgo); }
.chain__steps { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 0; }
.chain__steps li { display: flex; align-items: center; font-weight: 600; font-size: clamp(14px, 1.15vw, 16px); }
.chain__steps li + li::before { content: ""; width: 9px; height: 14px; margin-inline: 16px; background: var(--musgo); clip-path: polygon(0 0, 100% 50%, 0 100%); }


/* ---------- MÉTODO: GANTT ----------
   --t (0 a 1) es el avance de la línea "hoy"; lo fija el scroll.
   Cada barra se llena según cuánto de ella recorrió la línea. */
.plan { position: relative; background: var(--papel); }
html.has-gate .plan, .plan.is-pinned { height: 240vh; }
.plan__pin { padding-block: var(--sec-y); }
html.has-gate .plan__pin { position: sticky; top: 0; min-height: 100svh; display: flex; align-items: center; padding-block: calc(var(--nav-h) + 24px) 40px; }
.plan__pin > .wrap { width: 100%; }
.plan__head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 40px; align-items: end; margin-bottom: clamp(36px, 5vw, 64px); }
.plan__head .lead { color: var(--tinta-suave); }

.gantt { --lab: minmax(0, 300px); --labw: 300px; --gap: 32px; position: relative; }
.gantt__scale, .gantt__row { display: grid; grid-template-columns: var(--labw) minmax(0, 1fr); column-gap: var(--gap); }
.gantt__scale span { grid-column: 2; display: flex; justify-content: space-between; }
.gantt__scale { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--tinta-suave); padding-bottom: 12px; }
.gantt__scale span:first-child { grid-column: 2; grid-row: 1; justify-self: start; }
.gantt__scale span:last-child { grid-column: 2; grid-row: 1; justify-self: end; }
.gantt__rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--linea); position: relative; }
.gantt__row { align-items: center; padding-block: 18px; border-bottom: 1px solid var(--linea); }
.gantt__label { display: grid; gap: 2px; }
.gantt__name { font-weight: 800; text-transform: uppercase; font-size: clamp(15px, 1.3vw, 18px); color: var(--tinta-suave); transition: color .3s ease; display: flex; align-items: center; gap: 10px; }
.gantt__name::before { content: ""; width: 10px; height: 10px; flex: none; border: 1.5px solid currentColor; transition: background-color .3s ease, border-color .3s ease, transform .4s var(--ease-out); }
.gantt__desc { font-size: 14px; color: var(--tinta-suave); padding-left: 20px; }
.gantt__row.is-active .gantt__name { color: var(--verde); }
.gantt__row.is-active .gantt__name::before { background: var(--c); border-color: var(--c); transform: rotate(45deg); }
.gantt__row.is-done .gantt__name { color: var(--verde); }
.gantt__row.is-done .gantt__name::before { background: var(--c); border-color: var(--c); transform: none; }

/* Pista de 12 columnas con divisiones finas */
.gantt__track {
  position: relative; height: 36px;
  background: repeating-linear-gradient(90deg, transparent 0 calc(100% / 12 - 1px), var(--linea) calc(100% / 12 - 1px) calc(100% / 12));
}
.gantt__bar {
  position: absolute; top: 4px; bottom: 4px;
  left: calc(var(--from) / 12 * 100%); width: calc((var(--to) - var(--from)) / 12 * 100%);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
  background: repeating-linear-gradient(-45deg, rgba(9, 68, 58, .14) 0 2px, transparent 2px 8px);
}
.gantt__fill {
  --p: clamp(0, calc((var(--t) * 12 - var(--from)) / (var(--to) - var(--from))), 1);
  position: absolute; inset: 0; background: var(--c); transform-origin: left; transform: scaleX(var(--p));
}
.gantt__now {
  position: absolute; top: 28px; bottom: 0; width: 0; pointer-events: none;
  left: calc(var(--labw) + var(--gap) + (100% - var(--labw) - var(--gap)) * var(--t));
  border-left: 1.5px solid var(--verde);
}
.gantt__now span { position: absolute; top: -6px; left: -6.5px; width: 11px; height: 11px; background: var(--verde); transform: rotate(45deg); }

@media (max-width: 900px) {
  .plan__head { grid-template-columns: 1fr; gap: 16px; }
  .gantt { --labw: 0px; --gap: 0px; }
  .gantt__scale, .gantt__row { grid-template-columns: minmax(0, 1fr); }
  .gantt__scale span:first-child, .gantt__scale span:last-child { grid-column: 1; }
  .gantt__row { row-gap: 10px; padding-block: 14px; }
  .gantt__desc { display: none; }
  .gantt__track { height: 28px; }
}
@media (max-width: 620px) {
  .plan__head .lead { display: none; }
}

/* ---------- OBRAS ---------- */
.works__head { margin-bottom: clamp(40px, 5vw, 64px); }
.project { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.6fr); gap: clamp(28px, 4vw, 56px); }
.project__tabs { display: grid; align-content: start; border-top: 1px solid var(--linea); }
.ptab {
  position: relative; display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; text-align: left;
  padding: 22px 0 22px 20px; border: 0; border-bottom: 1px solid var(--linea); background: none; color: var(--tinta);
  transition: background-color .2s ease;
}
.ptab::before { content: ""; position: absolute; left: 0; top: 26px; width: 8px; height: 12px; background: var(--musgo); clip-path: polygon(0 0, 100% 50%, 0 100%); opacity: 0; translate: -6px 0; transition: opacity .2s ease, translate .25s var(--ease-out); }
.ptab:hover { background: var(--papel); }
.ptab[aria-selected="true"]::before { opacity: 1; translate: 0 0; background: var(--verde); }
.ptab__client { font-weight: 800; font-size: 20px; text-transform: uppercase; color: var(--verde); }
.ptab__place { font-size: 13px; color: var(--tinta-suave); align-self: center; font-weight: 500; }
.ptab__name { grid-column: 1 / -1; font-size: 15px; color: var(--tinta-suave); line-height: 1.45; }
.ptab[aria-selected="true"] .ptab__name { color: var(--tinta); }

.project__stage { display: grid; grid-template-columns: minmax(0, 1fr); align-content: start; gap: 28px; }
.project__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--papel); clip-path: polygon(0 0, calc(100% - 72px) 0, 100% 72px, 100% 100%, 0 100%); }
.pimg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; clip-path: polygon(0 0, 0 0, -40% 100%, -40% 100%); transition: clip-path .75s var(--ease-in-out); }
.pimg.is-active { clip-path: polygon(0 0, 140% 0, 100% 100%, -40% 100%); z-index: 1; }
.pimg.is-leaving { clip-path: polygon(0 0, 140% 0, 100% 100%, -40% 100%); transition: none; z-index: 0; }
.ppanel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 40px; animation: panel-in .5s var(--ease-out); }
.ppanel[hidden] { display: none; }
@keyframes panel-in { from { opacity: 0; transform: translateY(8px); } }
.specs { display: grid; gap: 14px; align-content: start; }
.specs div { display: grid; grid-template-columns: 104px 1fr; gap: 12px; padding-bottom: 14px; border-bottom: 1px solid var(--linea); }
.specs dt { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--tinta-suave); padding-top: 3px; }
.specs dd { font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; }
.scope { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; align-content: start; }
.scope li { position: relative; padding-left: 20px; font-size: 15px; color: var(--tinta-suave); }
.scope li::before { content: ""; position: absolute; left: 0; top: .55em; width: 8px; height: 8px; background: var(--musgo); clip-path: polygon(0 0, 100% 0, 0 100%); }

.others__title { margin: clamp(72px, 9vw, 112px) 0 28px; font-size: 15px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--verde-seco); }
.others { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
.other__photo { overflow: hidden; aspect-ratio: 4 / 5; margin-bottom: 16px; background: var(--papel); }
.other__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease-out); }
.other:hover .other__photo img { transform: scale(1.03); }
.other p { font-weight: 700; font-size: 16px; line-height: 1.35; color: var(--verde); margin-bottom: 4px; }
.other span { font-size: 14px; color: var(--tinta-suave); }

/* ---------- SECTORES ---------- */
.sectors__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.xmark--small { max-width: 400px; overflow: visible; }
.xp--chevron-solid { fill: var(--verde); }
.xp--musgo { fill: var(--musgo); }
.xp--seco { fill: var(--verde-seco); }
.sectors .xp { opacity: calc(1 - var(--s, 0) / 200); }
.sector-list { list-style: none; margin: 40px 0 0; padding: 0; border-top: 1px solid var(--linea); }
.sector-list li { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 8px 32px; align-items: baseline; padding: 22px 0; border-bottom: 1px solid var(--linea); }
.sector__name { font-size: clamp(26px, 3vw, 40px); font-weight: 800; text-transform: uppercase; color: var(--verde); line-height: 1.1; letter-spacing: -.01em; }
.sector__desc { font-size: 15px; color: var(--tinta-suave); }

/* ---------- CONTACTO ---------- */
.contact { position: relative; color: var(--blanco); background: var(--profundo) url("../img/fondo-corex.jpg") center / cover no-repeat; }
.contact::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 46, 39, .94) 0%, rgba(6, 46, 39, .82) 50%, rgba(6, 46, 39, .55) 100%); }
.contact__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(48px, 7vw, 112px); align-items: start; }
.contact .h2 { color: var(--blanco); margin-bottom: 24px; }
.contact .lead { color: var(--claro-suave); margin-bottom: 32px; }
.contact__list { margin-top: 44px; display: grid; gap: 0; border-top: 1px solid var(--linea-clara); }
.contact__list div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--linea-clara); }
.contact__list dt { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: rgba(255, 255, 255, .6); padding-top: 3px; }
.contact__list dd { font-weight: 500; font-variant-numeric: tabular-nums; }
.contact__list a { text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat; transition: background-size .3s var(--ease-out); }
.contact__list a:hover { background-size: 100% 1px; }

.form { background: var(--blanco); color: var(--tinta); padding: clamp(24px, 3.5vw, 48px); border-radius: var(--radius); display: grid; gap: 20px; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .45); }
.form__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
.field { display: grid; gap: 8px; }
.field label, .chips legend { font-size: 13px; font-weight: 600; color: var(--verde); }
.field input, .field textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--tinta);
  padding: 13px 14px; border: 1px solid rgba(9, 68, 58, .28); border-radius: var(--radius); background: var(--blanco);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input::placeholder, .field textarea::placeholder { color: #6E7F79; }
.field input:hover, .field textarea:hover { border-color: rgba(9, 68, 58, .5); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--verde); box-shadow: 0 0 0 3px rgba(124, 146, 112, .35); }
.field__error { display: none; font-size: 13px; color: var(--error); }
.field.is-invalid input, .field.is-invalid textarea { border-color: var(--error); }
.field.is-invalid .field__error { display: block; }
.chips { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { margin-bottom: 10px; padding: 0; }
.chips label { position: relative; }
.chips input { position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0; }
.chips span { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border: 1px solid rgba(9, 68, 58, .28); border-radius: var(--radius); font-size: 14px; font-weight: 500; color: var(--verde); transition: background-color .2s ease, color .2s ease, border-color .2s ease; }
.chips label:hover span { border-color: var(--verde); }
.chips input:checked + span { background: var(--verde); border-color: var(--verde); color: var(--blanco); }
.chips input:focus-visible + span { outline: 2px solid var(--musgo); outline-offset: 2px; }
.form__foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.form__status { font-size: 14px; color: var(--verde-seco); font-weight: 500; }

/* ---------- FOOTER ---------- */
.footer { background: var(--profundo); color: var(--claro-suave); padding-block: 40px; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px 40px; flex-wrap: wrap; }
.footer__logo { width: 140px; }
.footer__nav { display: flex; flex-wrap: wrap; gap: 8px 28px; }
.footer__nav a { font-size: 14px; text-decoration: none; transition: color .2s ease; }
.footer__nav a:hover { color: var(--blanco); }
.footer__legal { font-size: 13px; color: rgba(255, 255, 255, .55); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .others { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chain { grid-template-columns: 1fr; }
  .project { grid-template-columns: 1fr; }
  .project__tabs { grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 0; gap: 12px; }
  .ptab { border: 1px solid var(--linea); padding: 16px 16px 16px 28px; }
  .ptab::before { left: 12px; top: 22px; }
}
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .hero__inner { grid-template-columns: 1fr; min-height: 0; padding-block: 32px 0; }
  .hero__art { margin: 0 calc(var(--gutter) * -1); justify-content: flex-end; }
  .hero .xmark { max-height: 52vh; width: 92%; }
  .hero__art { overflow: hidden; }
  .hero__lines { display: none; }
  .about__grid, .services__head, .sectors__grid, .contact__grid { grid-template-columns: 1fr; }
  .about__media { max-width: 560px; }
  .xmark--small { max-width: 280px; }
  .svc-grid { grid-template-columns: 1fr; gap: 48px; }
  .svc { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); grid-template-rows: auto 1fr; column-gap: 24px; }
  .svc__photo { grid-row: 1 / 3; margin-bottom: 0; }
  .svc h3 { align-self: end; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .pillars { grid-template-columns: 1fr; gap: 20px; }
  .project__tabs { grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--linea); }
  .ptab { border: 0; border-bottom: 1px solid var(--linea); }
  .ppanel { grid-template-columns: 1fr; }
  .svc { grid-template-columns: 1fr; }
  .svc__photo { grid-row: auto; margin-bottom: 20px; aspect-ratio: 16 / 10; }
  .sector-list li { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .hero__ctas .btn, .contact__info .btn { flex: 1 1 100%; }
  .contact__list div { grid-template-columns: 1fr; gap: 2px; }
  .others { gap: 24px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .hero__lines path { stroke-dashoffset: 0; }
  .xp, .tiles .t { translate: none !important; opacity: 1 !important; }
  .gantt { --t: 1 !important; }
}