/* =====================================================================
   FUNDACIÓN EMERGER COLOMBIA — Sistema de diseño
   Una sola fuente de verdad: colores, tipografía, espaciado y componentes.
   Para cambiar el "look" del sitio, edita las variables de :root.
   ===================================================================== */

/* ---------- 1. Tokens de marca ---------- */
:root {
  /* Paleta oficial (manual de marca) */
  --petroleo:        #003653;   /* primario: titulares, texto, base del ícono */
  --petroleo-2:      #024A5B;   /* petróleo secundario (más profundo, familia azul petróleo) */
  --verde:           #009933;   /* secundario */
  --verde-2:         #038E35;
  --amarillo:        #FFCC00;   /* acento y CTA — NUNCA como texto sobre claro */
  --amarillo-2:      #FECB00;
  --grafito:         #3A332E;   /* cuerpo de texto */
  --arena:           #F3EAD9;   /* fondo neutro cálido */

  /* Derivados de superficie */
  --arena-suave:     #FAF5EC;   /* arena aclarada para fondos amplios */
  --blanco:          #FFFFFF;
  --linea:           #E4D9C4;   /* hairline sobre arena */
  --linea-oscura:    rgba(255,255,255,.16);

  /* Texto */
  --tx-fuerte:       var(--petroleo);
  --tx-cuerpo:       #4A423B;   /* grafito ligeramente aclarado, AA sobre claro */
  --tx-suave:        #6B6259;
  --tx-sobre-oscuro: #F3EAD9;

  /* Acentos por línea estratégica (se sobreescriben por página) */
  --acento:          var(--amarillo);
  --acento-tinta:    var(--petroleo);

  /* Tipografía */
  --f-titulo: "Poppins", system-ui, sans-serif;
  --f-sub:    "Nunito", system-ui, sans-serif;
  --f-cuerpo: "Lato", system-ui, sans-serif;

  /* Escala tipográfica fluida (clamp) */
  --t-xxl: clamp(2.5rem, 1.6rem + 4.2vw, 4.75rem);
  --t-xl:  clamp(2rem, 1.4rem + 2.7vw, 3.25rem);
  --t-l:   clamp(1.6rem, 1.25rem + 1.6vw, 2.4rem);
  --t-m:   clamp(1.25rem, 1.1rem + 0.7vw, 1.6rem);
  --t-s:   clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
  --t-base: 1.0625rem;         /* 17px cuerpo */
  --t-cap: 0.8125rem;          /* etiquetas / eyebrows */

  /* Espaciado (ritmo consistente) */
  --e-1: 0.5rem;
  --e-2: 0.875rem;
  --e-3: 1.25rem;
  --e-4: 2rem;
  --e-5: 3rem;
  --e-6: 4.5rem;
  --e-7: 6.5rem;
  --seccion-y: clamp(3.5rem, 2.5rem + 4vw, 6.5rem);
  --ancho: 1160px;
  --ancho-texto: 68ch;

  /* Radios y sombras */
  --r-s: 10px;
  --r-m: 16px;
  --r-l: 24px;
  --r-pill: 999px;
  --sombra-s: 0 2px 8px rgba(0,54,83,.06);
  --sombra-m: 0 10px 30px -12px rgba(0,54,83,.18);
  --sombra-l: 0 24px 60px -22px rgba(0,54,83,.28);

  --transicion: 220ms cubic-bezier(.22,.61,.36,1);
  --header-h: 76px;
}

/* ---------- 2. Reset ligero ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html:focus-within { scroll-behavior: smooth; }
body {
  font-family: var(--f-cuerpo);
  font-size: var(--t-base);
  line-height: 1.65;
  color: var(--tx-cuerpo);
  background: var(--arena-suave);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, picture { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; }
:target { scroll-margin-top: calc(var(--header-h) + 1.5rem); }

/* ---------- 3. Tipografía base ---------- */
h1, h2, h3, h4 { font-family: var(--f-titulo); color: var(--tx-fuerte); line-height: 1.12; font-weight: 800; letter-spacing: -0.015em; }
h2 { font-size: var(--t-xl); }
h3 { font-size: var(--t-l); }
h4 { font-size: var(--t-m); font-weight: 700; }
p { max-width: var(--ancho-texto); }
strong { color: var(--tx-fuerte); font-weight: 700; }

.eyebrow {
  font-family: var(--f-sub);
  font-weight: 800;
  font-size: var(--t-cap);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--verde-2);
  display: inline-flex;
  align-items: center;
  gap: .6rem;
}
.eyebrow::before {
  content: "";
  width: 26px; height: 3px; border-radius: 2px;
  background: var(--acento);
}

/* ---------- 4. Utilidades de layout ---------- */
.contenedor { width: min(100% - 2.5rem, var(--ancho)); margin-inline: auto; }
.seccion { padding-block: var(--seccion-y); }
.seccion--arena { background: var(--arena); }
.seccion--petroleo {
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(3,86,102,.55), transparent 55%),
    linear-gradient(160deg, var(--petroleo) 0%, #002a41 100%);
  color: var(--tx-sobre-oscuro);
}
.seccion--petroleo h2, .seccion--petroleo h3 { color: var(--blanco); }
.seccion--petroleo p { color: rgba(243,234,217,.9); }
.encabezado-seccion { max-width: 760px; margin-bottom: var(--e-5); }
.encabezado-seccion .eyebrow { margin-bottom: var(--e-2); }
.encabezado-seccion h2 + p { margin-top: var(--e-3); font-size: var(--t-s); color: var(--tx-suave); }
.seccion--petroleo .encabezado-seccion h2 + p { color: rgba(243,234,217,.82); }

/* ---------- 5. Botones ---------- */
.btn {
  --btn-bg: var(--petroleo);
  --btn-fg: var(--blanco);
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--f-sub); font-weight: 800;
  font-size: 1rem; line-height: 1;
  padding: .95rem 1.6rem;
  border-radius: var(--r-pill);
  background: var(--btn-bg); color: var(--btn-fg);
  transition: transform var(--transicion), box-shadow var(--transicion), background var(--transicion);
  box-shadow: var(--sombra-s);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--sombra-m); }
.btn:active { transform: translateY(0); }
.btn svg { width: 1.1em; height: 1.1em; }
/* Acento amarillo con texto petróleo (regla de contraste del manual) */
.btn--acento { --btn-bg: var(--amarillo); --btn-fg: var(--petroleo); }
.btn--acento:hover { --btn-bg: var(--amarillo-2); }
.btn--fantasma {
  --btn-bg: transparent; --btn-fg: var(--petroleo);
  box-shadow: inset 0 0 0 2px rgba(0,54,83,.28);
}
.btn--fantasma:hover { --btn-bg: rgba(0,54,83,.05); box-shadow: inset 0 0 0 2px var(--petroleo); }
.seccion--petroleo .btn--fantasma,
.hero .btn--fantasma { --btn-fg: var(--arena); box-shadow: inset 0 0 0 2px rgba(243,234,217,.5); }
.seccion--petroleo .btn--fantasma:hover,
.hero .btn--fantasma:hover { --btn-bg: rgba(243,234,217,.1); box-shadow: inset 0 0 0 2px var(--arena); }

/* enlace con flecha */
.enlace-flecha {
  font-family: var(--f-sub); font-weight: 800; color: var(--petroleo-2);
  display: inline-flex; align-items: center; gap: .45rem;
}
.enlace-flecha svg { width: 1.05em; height: 1.05em; transition: transform var(--transicion); }
.enlace-flecha:hover svg { transform: translateX(4px); }

/* ---------- 6. Header ---------- */
.sitio-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,245,236,.82);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transicion), box-shadow var(--transicion), background var(--transicion);
}
.sitio-header.esta-fijo { border-bottom-color: var(--linea); box-shadow: var(--sombra-s); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--e-3); min-height: var(--header-h);
}
.marca { display: inline-flex; align-items: center; }
.marca img { height: 52px; width: auto; }

/* Contenedor nav + CTA (escritorio: fila alineada a la derecha) */
.nav-envoltura { display: flex; align-items: center; gap: var(--e-3); margin-left: auto; }

/* Navegación de escritorio */
.nav-principal { display: flex; align-items: center; gap: .35rem; }
.nav-principal > ul { display: flex; align-items: center; gap: .15rem; }
.nav-link {
  font-family: var(--f-sub); font-weight: 700; font-size: .98rem;
  color: var(--petroleo);
  padding: .55rem .8rem; border-radius: var(--r-s);
  position: relative; transition: background var(--transicion), color var(--transicion);
}
.nav-link:hover { background: rgba(0,54,83,.06); }
.nav-link[aria-current="page"] { color: var(--verde-2); }
.nav-link[aria-current="page"]::after {
  content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .3rem;
  height: 2px; border-radius: 2px; background: var(--verde-2);
}

/* Submenú Líneas */
.tiene-submenu { position: relative; }
.submenu-btn { display: inline-flex; align-items: center; gap: .3rem; }
.submenu-btn svg { width: .8em; height: .8em; transition: transform var(--transicion); }
.tiene-submenu:hover .submenu-btn svg,
.tiene-submenu:focus-within .submenu-btn svg { transform: rotate(180deg); }
.submenu {
  position: absolute; top: calc(100% + .4rem); left: 0;
  min-width: 288px; padding: .5rem;
  background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--r-m); box-shadow: var(--sombra-l);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity var(--transicion), transform var(--transicion), visibility var(--transicion);
}
.tiene-submenu:hover .submenu,
.tiene-submenu:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a {
  display: flex; gap: .7rem; align-items: flex-start;
  padding: .6rem .7rem; border-radius: var(--r-s);
  font-family: var(--f-cuerpo);
  transition: background var(--transicion);
}
.submenu a:hover { background: var(--arena); }
.submenu .sm-ico {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 9px;
  display: grid; place-items: center; margin-top: 2px;
  background: var(--arena); color: var(--petroleo);
}
.submenu a:hover .sm-ico { background: var(--blanco); }
.submenu .sm-ico svg { width: 18px; height: 18px; }
.submenu strong { display: block; font-family: var(--f-sub); font-weight: 800; color: var(--petroleo); font-size: .95rem; line-height: 1.2; }
.submenu span { font-size: .82rem; color: var(--tx-suave); line-height: 1.35; }

.header-cta { display: inline-flex; align-items: center; gap: .5rem; }
.header-cta .btn { padding: .7rem 1.15rem; font-size: .95rem; }

/* Hamburguesa */
.hamburguesa {
  display: none; width: 46px; height: 46px; border-radius: var(--r-s);
  align-items: center; justify-content: center;
}
.hamburguesa:hover { background: rgba(0,54,83,.06); }
.hamburguesa span { position: relative; width: 22px; height: 2px; background: var(--petroleo); border-radius: 2px; transition: var(--transicion); }
.hamburguesa span::before, .hamburguesa span::after { content: ""; position: absolute; left: 0; width: 22px; height: 2px; background: var(--petroleo); border-radius: 2px; transition: var(--transicion); }
.hamburguesa span::before { top: -7px; }
.hamburguesa span::after { top: 7px; }
body.menu-abierto .hamburguesa span { background: transparent; }
body.menu-abierto .hamburguesa span::before { top: 0; transform: rotate(45deg); }
body.menu-abierto .hamburguesa span::after { top: 0; transform: rotate(-45deg); }

/* ---------- 7. Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--arena-suave); }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--e-5);
  align-items: center;
  padding-block: clamp(3rem, 2rem + 5vw, 6rem);
}
.hero-eyebrow { margin-bottom: var(--e-3); }
.hero h1 {
  font-size: var(--t-xxl); color: var(--petroleo);
  letter-spacing: -0.025em; line-height: 1.04;
}
.hero h1 .resalte { color: var(--verde-2); }
.hero-descriptor {
  margin-top: var(--e-3); font-family: var(--f-sub); font-weight: 700;
  font-size: var(--t-s); color: var(--tx-cuerpo);
  display: flex; flex-wrap: wrap; gap: .4rem .9rem; max-width: 34ch;
}
.hero-descriptor span { position: relative; padding-left: 1.1rem; }
.hero-descriptor span::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border-radius: 50%; background: var(--acento, var(--amarillo));
}
.hero-descriptor span:nth-child(1)::before { background: var(--amarillo); }
.hero-descriptor span:nth-child(2)::before { background: var(--verde); }
.hero-descriptor span:nth-child(3)::before { background: var(--petroleo-2); }
.hero-descriptor span:nth-child(4)::before { background: var(--grafito); }
.hero-acciones { margin-top: var(--e-4); display: flex; flex-wrap: wrap; gap: var(--e-2); }

/* Motivo "Emergencia" (arcos ascendentes) */
.hero-arte {
  position: relative; aspect-ratio: 1 / 1;
  display: grid; place-items: center;
}
.arte-svg { width: 100%; height: auto; overflow: visible; }
.arte-arco { stroke-dasharray: 1; stroke-dashoffset: 0; }
.arte-nucleo { transform-box: fill-box; transform-origin: 260px 360px; }

@media (prefers-reduced-motion: no-preference) {
  .arte-arco { stroke-dashoffset: 1; animation: arte-trazar .9s ease forwards; }
  .arte-arco:nth-of-type(1) { animation-delay: .10s; }
  .arte-arco:nth-of-type(2) { animation-delay: .28s; }
  .arte-arco:nth-of-type(3) { animation-delay: .46s; }
  .arte-nucleo { opacity: 0; transform: scale(.6); animation: arte-nucleo .5s ease .6s forwards; }
}
@keyframes arte-trazar { to { stroke-dashoffset: 0; } }
@keyframes arte-nucleo { to { opacity: 1; transform: scale(1); } }

/* ---------- 8. Tarjetas de valores (concéntrese: giran al pasar el cursor / al enfocar) ---------- */
.grid-valores { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--e-3); }
.valor { perspective: 1200px; min-height: 210px; cursor: pointer; border: 0; background: none; padding: 0; }
.valor:focus-visible { outline: 3px solid var(--verde-2); outline-offset: 4px; border-radius: var(--r-m); }
.valor-inner {
  position: relative; width: 100%; height: 100%; min-height: inherit;
  transition: transform .55s cubic-bezier(.2,.7,.2,1); transform-style: preserve-3d;
}
.valor:hover .valor-inner, .valor:focus-within .valor-inner { transform: rotateY(180deg); }
.valor-frente, .valor-reverso {
  position: absolute; inset: 0; -webkit-backface-visibility: hidden; backface-visibility: hidden;
  border-radius: var(--r-m); padding: var(--e-4); display: flex; flex-direction: column;
}
.valor-frente { background: var(--blanco); border: 1px solid var(--linea); justify-content: center; align-items: flex-start; gap: .2rem; }
.valor-frente h4 { color: var(--petroleo); font-size: 1.12rem; margin: 0; }
.valor-ico {
  width: 58px; height: 58px; border-radius: 14px; margin-bottom: var(--e-3);
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--verde-2) 12%, var(--arena)); color: var(--verde-2);
}
.valor-ico svg { width: 32px; height: 32px; }
.valor-hint {
  margin-top: auto; display: inline-flex; align-items: center; gap: .35rem;
  font-family: var(--f-sub); font-weight: 800; font-size: .72rem; letter-spacing: .04em;
  text-transform: uppercase; color: var(--verde-2); opacity: .85;
}
.valor-hint svg { width: 15px; height: 15px; }
.valor-reverso { transform: rotateY(180deg); background: var(--verde-2); border: 1px solid transparent; color: #fff; justify-content: center; overflow: auto; }
.valor-reverso p { color: rgba(255,255,255,.96); font-size: .95rem; line-height: 1.5; margin: 0; }

/* ---------- 9. Tarjetas de líneas ---------- */
.lineas-banner {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 1.9rem;
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: 1rem 1.5rem; margin-bottom: var(--e-5);
  font-family: var(--f-sub); font-weight: 800; color: var(--petroleo);
}
.lineas-banner span { position: relative; padding-left: 1.15rem; font-size: 1rem; }
.lineas-banner span::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 9px; height: 9px; border-radius: 50%;
}
.lineas-banner span:nth-child(1)::before { background: var(--verde-2); }
.lineas-banner span:nth-child(2)::before { background: var(--petroleo-2); }
.lineas-banner span:nth-child(3)::before { background: var(--petroleo); }
.lineas-banner span:nth-child(4)::before { background: var(--grafito); }
.grid-lineas { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--e-3); }
.linea-card {
  --c: var(--verde);
  position: relative; display: flex; flex-direction: column;
  background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--r-l); padding: var(--e-4);
  overflow: hidden;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.linea-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--bar, var(--c));
  transition: width var(--transicion);
}
.linea-card:hover { transform: translateY(-5px); box-shadow: var(--sombra-l); }
.linea-card:hover::before { width: 8px; }
.linea-card .linea-num { font-family: var(--f-titulo); font-weight: 800; font-size: .95rem; color: var(--c); letter-spacing: .05em; }
.linea-ico {
  width: 66px; height: 66px; border-radius: 16px; margin: var(--e-2) 0 var(--e-3);
  display: grid; place-items: center;
  background: color-mix(in srgb, var(--verde-2) 12%, var(--arena));
  color: var(--verde-2);
}
.linea-ico svg { width: 36px; height: 36px; }
.linea-card h3 { font-size: var(--t-m); }
.linea-card p { font-size: .97rem; color: var(--tx-suave); margin: .6rem 0 var(--e-3); flex-grow: 1; }
.linea-card .enlace-flecha { color: var(--c); }

/* ---------- 10. Equipo (carrusel horizontal) ---------- */
.encabezado-equipo { display: flex; align-items: flex-end; justify-content: space-between; gap: var(--e-3); flex-wrap: wrap; }
.encabezado-equipo > div:first-child { flex: 1 1 320px; }
.equipo-controles { display: flex; gap: .5rem; }
.equipo-nav {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blanco); border: 1.5px solid var(--linea); color: var(--petroleo); cursor: pointer;
  transition: transform var(--transicion), background var(--transicion), border-color var(--transicion), color var(--transicion);
}
.equipo-nav:hover { background: var(--petroleo); border-color: var(--petroleo); color: #fff; }
.equipo-nav svg { width: 22px; height: 22px; }
.equipo-nav:disabled { opacity: .35; cursor: default; }
.equipo-nav:disabled:hover { background: var(--blanco); color: var(--petroleo); border-color: var(--linea); }

.equipo-track {
  display: flex; gap: var(--e-3); margin-top: var(--e-4);
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth;
  padding-bottom: .6rem; scrollbar-width: thin;
}
.equipo-track::-webkit-scrollbar { height: 6px; }
.equipo-track::-webkit-scrollbar-thumb { background: var(--linea); border-radius: 999px; }
.persona {
  flex: 0 0 clamp(208px, 24vw, 242px); scroll-snap-align: start;
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: var(--e-4) var(--e-3); text-align: center;
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.persona:hover { transform: translateY(-4px); box-shadow: var(--sombra-m); }
.persona-foto {
  width: 92px; height: 92px; border-radius: 50%; margin: 0 auto var(--e-2);
  position: relative; overflow: hidden;
  background: linear-gradient(155deg, var(--petroleo), var(--petroleo-2));
  display: grid; place-items: center;
}
.persona-foto img { width: 100%; height: 100%; object-fit: cover; }
.persona-silueta { width: 52%; height: auto; color: var(--arena); opacity: .92; }
.persona-iniciales { font-family: var(--f-titulo); font-weight: 800; font-size: 2rem; color: var(--arena); }
.persona--vacante .persona-foto { background: linear-gradient(155deg, #cdbf9f, #e7dcc6); }
.persona--vacante .persona-silueta { color: var(--petroleo); opacity: .5; }
.persona-info h4 { font-size: 1.02rem; color: var(--petroleo); }
.persona-rol { font-family: var(--f-sub); font-weight: 800; font-size: .72rem; letter-spacing: .03em; text-transform: uppercase; color: var(--verde-2); margin: .3rem 0 .5rem; }
.persona-info p { font-size: .86rem; color: var(--tx-suave); line-height: 1.5; }
.persona--vacante .persona-rol { color: var(--tx-suave); }

/* ---------- 11. Impacto / en qué andamos ---------- */
.grid-impacto { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--e-3); }
.impacto-item { text-align: center; padding: var(--e-3); }
.impacto-cifra { font-family: var(--f-titulo); font-weight: 800; font-size: clamp(2.6rem,5vw,3.6rem); line-height: 1; color: var(--amarillo); }
.impacto-item.es-marcador .impacto-cifra { color: rgba(243,234,217,.45); }
.impacto-label { margin-top: .6rem; font-family: var(--f-sub); font-weight: 700; color: rgba(243,234,217,.9); font-size: .98rem; }
.impacto-nota { display: inline-block; margin-top: .3rem; font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; color: rgba(243,234,217,.5); }

/* ---------- 12. Contacto ---------- */
.contacto-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: var(--e-5); align-items: start; }
.canales { display: flex; flex-direction: column; gap: var(--e-2); margin-top: var(--e-4); }
.canal {
  display: flex; align-items: center; gap: var(--e-3);
  padding: var(--e-3); border-radius: var(--r-m);
  background: var(--blanco); border: 1px solid var(--linea);
  transition: transform var(--transicion), box-shadow var(--transicion);
}
.canal:hover { transform: translateX(4px); box-shadow: var(--sombra-s); }
.canal-ico { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--arena); color: var(--petroleo); }
.canal-ico svg { width: 22px; height: 22px; }
.canal-txt small { display: block; font-family: var(--f-sub); font-weight: 700; font-size: .74rem; letter-spacing: .06em; text-transform: uppercase; color: var(--tx-suave); }
.canal-txt strong { font-size: 1.02rem; color: var(--petroleo); word-break: break-word; }

/* Formulario */
.form-tarjeta { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-l); padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); box-shadow: var(--sombra-m); }
.campo { margin-bottom: var(--e-3); }
.campo label { display: block; font-family: var(--f-sub); font-weight: 700; font-size: .9rem; color: var(--petroleo); margin-bottom: .4rem; }
.campo input, .campo textarea {
  width: 100%; font: inherit; color: var(--grafito);
  padding: .8rem .95rem; border-radius: var(--r-s);
  background: var(--arena-suave); border: 1.5px solid var(--linea);
  transition: border-color var(--transicion), box-shadow var(--transicion), background var(--transicion);
}
.campo textarea { min-height: 130px; resize: vertical; }
.campo input:focus, .campo textarea:focus {
  outline: none; border-color: var(--verde); background: var(--blanco);
  box-shadow: 0 0 0 4px rgba(0,153,51,.12);
}
.form-oculto { position: absolute; left: -9999px; }
.form-estado { margin-top: var(--e-2); font-family: var(--f-sub); font-weight: 700; border-radius: var(--r-s); padding: 0; font-size: .95rem; }
.form-estado.ok { color: var(--verde-2); }
.form-estado.err { color: #b3261e; }

/* ---------- 13. Footer ---------- */
.sitio-footer {
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(3,86,102,.5), transparent 55%),
    linear-gradient(180deg, #002a41, #001f31);
  color: var(--tx-sobre-oscuro);
  padding-top: var(--e-6);
}
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--e-5); padding-bottom: var(--e-5); }
.footer-marca img { height: 66px; width: auto; margin-bottom: var(--e-3); }
.footer-marca p { color: rgba(243,234,217,.72); font-size: .95rem; max-width: 40ch; }
.footer-col h5 { font-family: var(--f-sub); font-weight: 800; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--amarillo); margin-bottom: var(--e-3); }
.footer-col ul { display: flex; flex-direction: column; gap: .7rem; }
.footer-col a, .footer-col li { color: rgba(243,234,217,.82); font-size: .96rem; transition: color var(--transicion); }
.footer-col a:hover { color: var(--blanco); }
.footer-col a { display: inline-flex; align-items: center; gap: .5rem; }
.footer-col svg { width: 1.05em; height: 1.05em; flex: 0 0 auto; }
.footer-bottom {
  border-top: 1px solid var(--linea-oscura);
  padding-block: var(--e-3) var(--e-4);
  display: flex; flex-wrap: wrap; gap: var(--e-2) var(--e-4);
  align-items: center; justify-content: space-between;
  font-size: .85rem; color: rgba(243,234,217,.6);
}
.footer-bottom a { color: rgba(243,234,217,.75); }
.footer-bottom a:hover { color: var(--blanco); }
.pendiente-dato { color: rgba(255,204,0,.7); font-style: italic; }

/* ---------- 14. Página de línea (interna) ---------- */
.linea-hero {
  position: relative;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--c) 8%, var(--arena-suave)), var(--arena-suave));
  border-bottom: 1px solid var(--linea);
  padding-top: var(--e-5);
}
.miga { display: inline-flex; align-items: center; gap: .4rem; font-family: var(--f-sub); font-weight: 700; font-size: .9rem; color: var(--tx-suave); margin-bottom: var(--e-3); transition: gap var(--transicion), color var(--transicion); }
.miga:hover { color: var(--petroleo); gap: .6rem; }
.miga svg { width: 1em; height: 1em; }
.linea-hero-inner { display: grid; grid-template-columns: auto 1fr; gap: var(--e-4); align-items: center; padding-bottom: var(--e-5); }
.linea-hero-ico { width: clamp(72px, 8vw, 96px); height: clamp(72px, 8vw, 96px); border-radius: 22px; display: grid; place-items: center; background: var(--c); color: var(--blanco); box-shadow: var(--sombra-m); }
.linea-hero-ico svg { width: 50%; height: 50%; }
.linea-hero .linea-num { font-family: var(--f-titulo); font-weight: 800; color: var(--c); letter-spacing: .08em; font-size: .95rem; }
.linea-hero h1 { font-size: var(--t-xl); color: var(--petroleo); margin: .3rem 0; }
.linea-hero p { font-size: var(--t-s); color: var(--tx-cuerpo); }

.bloque-def { display: grid; grid-template-columns: 1fr 1fr; gap: var(--e-5); align-items: start; }
.bloque-def .prosa p + p { margin-top: var(--e-3); }
.tarjeta-nota { background: var(--blanco); border: 1px solid var(--linea); border-left: 5px solid var(--c); border-radius: var(--r-m); padding: var(--e-4); }
.tarjeta-nota h4 { color: var(--petroleo); margin-bottom: .6rem; }
.tarjeta-nota p { font-size: .97rem; color: var(--tx-suave); }

/* Estrategias nombradas */
.grid-estrategias { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--e-3); }
.estrategia {
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: var(--e-4); transition: transform var(--transicion), box-shadow var(--transicion);
}
.estrategia:hover { transform: translateY(-4px); box-shadow: var(--sombra-m); }
.estrategia-cab { display: flex; align-items: center; gap: .8rem; margin-bottom: var(--e-2); }
.estrategia-ico { flex: 0 0 auto; width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 14%, var(--arena)); color: var(--c); }
.estrategia-ico svg { width: 22px; height: 22px; }
.estrategia h4 { font-size: 1.12rem; color: var(--petroleo); }
.estrategia p { font-size: .95rem; color: var(--tx-suave); }

/* Galería (marcadores) por línea */
.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--e-2); }
.galeria-item {
  aspect-ratio: 4 / 3; border-radius: var(--r-m); overflow: hidden;
  position: relative; border: 1px dashed var(--linea);
  background: color-mix(in srgb, var(--c, var(--verde)) 8%, var(--arena));
  display: grid; place-items: center; color: color-mix(in srgb, var(--c, var(--verde)) 60%, var(--grafito));
}
.galeria-item img { width: 100%; height: 100%; object-fit: cover; }
.galeria-seccion[hidden] { display: none !important; }
.galeria-item span { font-family: var(--f-sub); font-weight: 700; font-size: .82rem; opacity: .7; display: inline-flex; align-items: center; gap: .4rem; }
.galeria-item svg { width: 1.1em; height: 1.1em; }

/* Navegación entre líneas (pie de página interna) */
.otras-lineas { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: var(--e-2); }
.otra-linea {
  display: flex; align-items: center; gap: .8rem;
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--r-m);
  padding: var(--e-3); transition: transform var(--transicion), box-shadow var(--transicion), border-color var(--transicion);
}
.otra-linea:hover { transform: translateY(-3px); box-shadow: var(--sombra-m); }
.otra-linea .ol-ico { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; color: var(--blanco); }
.otra-linea .ol-ico svg { width: 20px; height: 20px; }
.otra-linea small { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--tx-suave); font-family: var(--f-sub); font-weight: 700; }
.otra-linea strong { font-family: var(--f-sub); font-weight: 800; color: var(--petroleo); font-size: .95rem; line-height: 1.2; }

/* ---------- 15. Prosa / privacidad ---------- */
.prosa-larga { max-width: 74ch; }
.prosa-larga h2 { font-size: var(--t-l); margin-top: var(--e-5); margin-bottom: var(--e-2); }
.prosa-larga h3 { font-size: var(--t-m); margin-top: var(--e-4); margin-bottom: var(--e-1); }
.prosa-larga p, .prosa-larga li { color: var(--tx-cuerpo); }
.prosa-larga p { margin-bottom: var(--e-2); }
.prosa-larga ul { list-style: disc; padding-left: 1.4rem; margin-bottom: var(--e-3); display: flex; flex-direction: column; gap: .4rem; }
.prosa-larga a { color: var(--verde-2); text-decoration: underline; text-underline-offset: 3px; }
.aviso-plantilla {
  background: color-mix(in srgb, var(--amarillo) 16%, var(--arena));
  border: 1px solid color-mix(in srgb, var(--amarillo) 45%, var(--linea));
  border-radius: var(--r-m); padding: var(--e-3) var(--e-4); margin-bottom: var(--e-4);
  font-size: .95rem; color: var(--grafito);
}
.aviso-plantilla strong { color: var(--petroleo); }

/* ---------- 16. Animaciones de revelado ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s cubic-bezier(.22,.61,.36,1); }
.reveal-stagger.visible > * { opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: .07s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: .14s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: .21s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: .28s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: .35s; }

/* ---------- 17. Accesibilidad ---------- */
:focus-visible { outline: 3px solid var(--verde); outline-offset: 3px; border-radius: 4px; }
.btn:focus-visible, .nav-link:focus-visible { outline-offset: 4px; }
.saltar-a-contenido {
  position: absolute; left: 50%; top: -60px; transform: translateX(-50%);
  background: var(--petroleo); color: var(--blanco); padding: .7rem 1.2rem;
  border-radius: 0 0 var(--r-s) var(--r-s); z-index: 200; font-family: var(--f-sub); font-weight: 700;
  transition: top var(--transicion);
}
.saltar-a-contenido:focus { top: 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- 18. Responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--e-4); }
  .hero-arte { max-width: 420px; margin-inline: auto; order: -1; }
  .contacto-grid, .bloque-def { grid-template-columns: 1fr; gap: var(--e-4); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-marca { grid-column: 1 / -1; }
  .grid-valores { grid-template-columns: repeat(2, 1fr); }
  .grid-equipo { grid-template-columns: repeat(2, 1fr); }
  .grid-impacto { grid-template-columns: repeat(2, 1fr); }
  .linea-hero-inner { grid-template-columns: 1fr; gap: var(--e-3); }
}

@media (max-width: 720px) {
  /* Menú móvil */
  .hamburguesa { display: flex; }
  .nav-envoltura {
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--arena-suave);
    padding: var(--e-4) 1.25rem var(--e-5);
    display: flex; flex-direction: column; gap: var(--e-2);
    transform: translateX(100%); transition: transform var(--transicion);
    overflow-y: auto; z-index: 90;
  }
  body.menu-abierto .nav-envoltura { transform: translateX(0); }
  body.menu-abierto { overflow: hidden; }
  .nav-principal { width: 100%; }
  .nav-principal > ul { flex-direction: column; align-items: stretch; gap: .2rem; width: 100%; }
  .nav-link { padding: .9rem .8rem; font-size: 1.1rem; border-radius: var(--r-s); }
  .nav-link[aria-current="page"]::after { display: none; }
  .nav-link[aria-current="page"] { background: rgba(0,153,51,.1); }
  .tiene-submenu { width: 100%; }
  .submenu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; background: transparent; padding: .2rem 0 .5rem 1rem;
    min-width: 0;
    max-height: 0; overflow: hidden; transition: max-height var(--transicion);
  }
  .tiene-submenu.abierto .submenu { max-height: 520px; }
  .tiene-submenu:hover .submenu, .tiene-submenu:focus-within .submenu { max-height: 0; }
  .tiene-submenu.abierto:hover .submenu, .tiene-submenu.abierto:focus-within .submenu { max-height: 520px; }
  .submenu .sm-ico { background: var(--blanco); }
  .header-cta .btn { display: inline-flex; }
  .header-cta { width: 100%; margin-top: var(--e-2); }
  .header-cta .btn { width: 100%; justify-content: center; padding: .9rem; font-size: 1.05rem; }
  .marca img { height: 46px; }
}

@media (max-width: 520px) {
  .grid-lineas, .grid-valores, .grid-equipo, .grid-impacto { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: var(--e-4); }
  .galeria { grid-template-columns: 1fr 1fr; }
  .contenedor { width: min(100% - 2rem, var(--ancho)); }
}

/* ---------- 19. Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal, .reveal-stagger > * { opacity: 1 !important; transform: none !important; }
  .arte-arco { stroke-dasharray: none !important; stroke-dashoffset: 0 !important; }
  .arte-nucleo { opacity: 1 !important; transform: none !important; }
}