/* Nexvalia · sitio institucional
   Composición editorial: titulares petróleo con énfasis naranja, superficies de color por pilar,
   círculos con iconografía lineal y esquinas asimétricas puntuales. Tema único, claro, institucional. */

:root {
  --petroleo: #013745;
  --teal: #1697A1;
  --azul: #0057E4;
  --naranja: #E73F11;
  --naranja-hover: #C2350E;
  --gris: #ECECEC;
  --gris-suave: #F1F4F4;
  --gris-linea: #D5DCDE;
  --blanco: #FFFFFF;
  --texto-suave: #3D5A61;
  --texto-claro: #E1EBEC;
  --tinta-decision: #FDEDE7;

  --fuente: 'Montserrat', 'Helvetica Neue', Arial, sans-serif; /* provisional, pendiente de validar */
  --ancho: 1280px;
  --gutter: clamp(20px, 4vw, 48px);
  --seccion: clamp(72px, 9vw, 112px);
  --t-rapida: 160ms;
  --t-media: 420ms;
  --curva: cubic-bezier(.2, .7, .2, 1);
  --header-alto: 92px;

  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-alto) + 8px); }
body {
  margin: 0;
  background: var(--gris);
  color: var(--petroleo);
  font-family: var(--fuente);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--petroleo); }
h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }
:focus-visible { outline: 3px solid var(--naranja); outline-offset: 3px; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 12px 18px; background: var(--petroleo); color: var(--blanco); font-weight: 700; }
.skip-link:focus { top: 12px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: var(--ancho); margin: 0 auto; padding-inline: max(var(--gutter), env(safe-area-inset-left, 0px)) max(var(--gutter), env(safe-area-inset-right, 0px)); }
.section { padding-block: var(--seccion); }
.section--blanco { background: var(--blanco); }
.section--gris { background: var(--gris); }
.section--petroleo { background: var(--petroleo); color: var(--blanco); }

.titulo-seccion { margin: 0 0 16px; max-width: 820px; font-size: clamp(32px, 4.2vw, 56px); line-height: 1.04; font-weight: 800; letter-spacing: -0.03em; }
.intro { margin: 0 0 clamp(36px, 5vw, 56px); max-width: 680px; font-size: 19px; line-height: 1.6; }
.section--petroleo .intro { color: var(--texto-claro); }
.etiqueta { margin: 0; font-size: 14px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.nota { margin: 12px 0 0; font-size: 13px; font-weight: 600; color: var(--texto-suave); }

/* Colores por pilar */
[data-pilar="estrategia"] { --c: var(--petroleo); }
[data-pilar="organizacion"] { --c: var(--teal); }
[data-pilar="crecimiento"] { --c: var(--azul); }
[data-pilar="soluciones"] { --c: var(--naranja); }

.circulo { flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--c, var(--petroleo)); color: var(--blanco); }
.circulo svg { width: 50%; height: 50%; }
.icono { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 58px; padding: 0 30px; border: 2px solid transparent; font-family: inherit; font-size: 17px; font-weight: 700; line-height: 1.2; text-decoration: none; white-space: nowrap; cursor: pointer; transition: background-color var(--t-rapida), color var(--t-rapida), border-color var(--t-rapida), transform var(--t-rapida); }
.btn:active { transform: translateY(1px); }
.btn--naranja { background: var(--naranja); border-color: var(--naranja); color: var(--blanco); font-size: 19px; }
.btn--naranja:hover { background: var(--naranja-hover); border-color: var(--naranja-hover); color: var(--blanco); }
.btn--contorno { background: transparent; border-color: var(--petroleo); color: var(--petroleo); }
.btn--contorno:hover { background: var(--petroleo); color: var(--blanco); }
.btn--petroleo { background: var(--petroleo); border-color: var(--petroleo); color: var(--blanco); }
.btn--petroleo:hover { background: var(--blanco); color: var(--petroleo); }
.btn__punto { width: 12px; height: 12px; border-radius: 50%; background: var(--c); box-shadow: 0 0 0 2px var(--blanco); }
.btn .flecha { transition: transform var(--t-rapida); }
.btn:hover .flecha { transform: translateX(4px); }
.enlace { color: var(--petroleo); font-weight: 700; text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 6px; transition: text-decoration-color var(--t-rapida); }
.enlace:hover { text-decoration-color: var(--naranja); }

/* Encabezado */
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--gris); }
.header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--gris); transition: box-shadow var(--t-media); }
.header.is-scrolled { box-shadow: 0 8px 24px rgba(1, 55, 69, 0.10); }
.header__barra { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; padding-block: 18px; transition: padding var(--t-media) var(--curva); }
.header.is-scrolled .header__barra { padding-block: 10px; }
.header__logo img { height: clamp(46px, 5vw, 58px); width: auto; transition: height var(--t-media) var(--curva); }
.header.is-scrolled .header__logo img { height: 44px; }
.menu-btn { display: none; align-items: center; gap: 10px; min-height: 48px; padding: 0 18px; border: 2px solid var(--petroleo); background: transparent; color: var(--petroleo); font: 700 16px/1 var(--fuente); cursor: pointer; }
.menu-btn:hover { background: var(--petroleo); color: var(--blanco); }
.menu-btn__barras { position: relative; width: 20px; height: 14px; }
.menu-btn__barras span { position: absolute; left: 0; width: 100%; height: 2px; background: currentColor; transition: transform var(--t-rapida), opacity var(--t-rapida), top var(--t-rapida); }
.menu-btn__barras span:nth-child(1) { top: 0; }
.menu-btn__barras span:nth-child(2) { top: 6px; }
.menu-btn__barras span:nth-child(3) { top: 12px; }
.menu-btn[aria-expanded="true"] .menu-btn__barras span:nth-child(1) { top: 6px; transform: rotate(45deg); }
.menu-btn[aria-expanded="true"] .menu-btn__barras span:nth-child(2) { opacity: 0; }
.menu-btn[aria-expanded="true"] .menu-btn__barras span:nth-child(3) { top: 6px; transform: rotate(-45deg); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; }
.nav a { position: relative; padding: 12px 0; font-size: 15px; font-weight: 600; text-decoration: none; }
.nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 2px; background: var(--naranja); transform: scaleX(0); transform-origin: left; transition: transform var(--t-media) var(--curva); }
.nav a:hover::after, .nav a.is-active::after { transform: scaleX(1); }
.nav a.is-active { font-weight: 800; }
.progreso { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--naranja); transform-origin: left; transform: scaleX(0); }

/* Portada */
.hero { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; padding-block: 28px clamp(72px, 9vw, 120px); }
.hero__texto { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 24px; }
.hero__titulo { margin: 0; font-size: clamp(40px, 5.4vw, 76px); line-height: 1.02; font-weight: 800; letter-spacing: -0.035em; }
.hero__titulo .acento { color: var(--naranja); }
.hero__apoyo { margin: 0; max-width: 520px; font-size: 20px; line-height: 1.55; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 6px; }
.hero__visual { flex: 1 1 500px; min-width: 0; margin: 0; }
.comp { position: relative; width: 100%; aspect-ratio: 1 / 0.86; }
.comp__circulo { position: absolute; right: 0; top: 0; width: 34%; aspect-ratio: 1; border-radius: 50%; background: var(--naranja); will-change: transform; }
.comp__bloque { position: absolute; left: 4%; top: 10%; right: 8%; bottom: 0; background: var(--petroleo); border-radius: 0 0 0 96px; }
.comp__hoja { position: absolute; left: 12%; top: 18%; width: 70%; background: var(--blanco); padding: clamp(20px, 2.6vw, 32px); box-shadow: 0 18px 40px rgba(1, 55, 69, 0.28); }
.comp__hoja .etiqueta { font-size: 12px; color: var(--texto-suave); margin-bottom: 6px; }
.comp__titulo { margin: 0 0 20px; font-size: clamp(19px, 1.8vw, 24px); line-height: 1.15; font-weight: 800; }
.ruta { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 14px; }
.ruta li { display: flex; align-items: center; gap: 14px; font-size: 16px; line-height: 1.3; }
.ruta .circulo { width: 40px; height: 40px; }

/* Pilares */
.pilares__tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.tile { display: flex; align-items: center; gap: 16px; min-height: 124px; padding: 22px 20px; border: 0; background: var(--gris-suave); color: var(--petroleo); font-family: inherit; text-align: left; cursor: pointer; transition: background-color var(--t-media) var(--curva), color var(--t-media), border-radius var(--t-media) var(--curva), transform var(--t-rapida); }
.tile:hover { background: #E2E9EA; }
.tile:active { transform: translateY(1px); }
.tile .circulo { width: clamp(56px, 4.8vw, 68px); height: clamp(56px, 4.8vw, 68px); transition: background-color var(--t-media), color var(--t-media), transform var(--t-media) var(--curva); }
.tile:hover .circulo { transform: scale(1.06); }
.tile__nombre { display: block; font-size: 21px; line-height: 1.12; font-weight: 800; color: var(--c); transition: color var(--t-media); }
.tile__sub { display: block; margin-top: 6px; font-size: 19px; line-height: 1.25; font-weight: 500; }
.tile[aria-selected="true"] { background: var(--c); color: var(--blanco); border-radius: 0 44px 0 0; }
.tile[aria-selected="true"] .tile__nombre { color: var(--blanco); }
.tile[aria-selected="true"] .tile__sub { font-weight: 700; }
.tile[aria-selected="true"] .circulo { background: var(--blanco); color: var(--c); }
.tile:focus-visible { outline-offset: 4px; }

.panel { margin-top: clamp(20px, 3vw, 40px); }
.panel[hidden] { display: none; }
.panel.is-entering .panel__cabecera { animation: entrar-cabecera var(--t-media) var(--curva) both; }
.panel.is-entering .panel__cuerpo > * { animation: entrar var(--t-media) var(--curva) both; }
.panel.is-entering .panel__cuerpo > *:nth-child(2) { animation-delay: 60ms; }
.panel.is-entering .panel__cuerpo > *:nth-child(3) { animation-delay: 120ms; }
.panel.is-entering .panel__cuerpo > *:nth-child(4) { animation-delay: 180ms; }
@keyframes entrar { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes entrar-cabecera { from { opacity: .4; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.panel__cabecera { display: flex; flex-wrap: wrap; background: var(--c); color: var(--blanco); border-radius: 0 72px 0 0; overflow: hidden; }
.panel__titular { flex: 1 1 440px; min-width: 0; padding: clamp(28px, 4.4vw, 64px); display: flex; flex-direction: column; justify-content: center; gap: 22px; }
.panel__titular .circulo { width: clamp(88px, 9vw, 128px); height: clamp(88px, 9vw, 128px); background: var(--blanco); color: var(--c); }
.panel__titular .circulo svg { stroke-width: 1.3; }
.panel__nombre { margin: 0; font-size: clamp(34px, 4.2vw, 56px); line-height: 1.02; font-weight: 800; letter-spacing: -0.03em; }
.panel__sub { margin: 10px 0 0; font-size: clamp(24px, 2.2vw, 28px); font-weight: 500; }
.panel__foto { position: relative; flex: 1 1 400px; min-width: 0; min-height: clamp(220px, 26vw, 340px); margin: 0; overflow: hidden; }
.panel__foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--curva); }
.panel:not([hidden]) .panel__foto:hover img { transform: scale(1.03); }
.panel__foto figcaption { position: absolute; right: 16px; bottom: 16px; padding: 6px 10px; background: var(--petroleo); color: var(--blanco); font-size: 12px; font-weight: 600; }
.panel__esquema { flex: 1 1 400px; min-width: 0; margin: 0; padding: clamp(24px, 3.4vw, 44px); background: var(--blanco); color: var(--petroleo); display: flex; flex-direction: column; justify-content: center; }
.esquema__paso { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 2px solid var(--petroleo); font-size: 16px; font-weight: 700; }
.esquema__paso svg { width: 26px; height: 26px; flex: 0 0 auto; }
.esquema__paso--centro { background: var(--petroleo); color: var(--blanco); border-radius: 0 28px 0 0; }
.esquema__paso--final { border-color: var(--naranja); }
.esquema__paso--final svg { color: var(--naranja); }
.esquema__union { width: 3px; height: 18px; margin-left: 28px; background: var(--naranja); }

.panel__cuerpo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 72px; padding-top: clamp(28px, 4vw, 56px); }
.panel__desc { margin: 0 0 26px; font-size: clamp(19px, 1.8vw, 22px); line-height: 1.5; font-weight: 500; }
.panel h4 { margin: 0 0 14px; font-size: 19px; font-weight: 800; }
.cuando { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 12px; }
.cuando li { display: flex; gap: 14px; align-items: flex-start; font-size: 18px; line-height: 1.45; }
.cuando svg { flex: 0 0 auto; width: 22px; height: 22px; margin-top: 2px; color: var(--c); stroke-width: 2; }
.capacidades { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px 28px; }
.capacidades li { display: flex; align-items: center; gap: 14px; font-size: 18px; line-height: 1.35; font-weight: 500; }
.capacidades li::before { content: ""; flex: 0 0 auto; width: 14px; height: 14px; border-radius: 50%; background: var(--c); }
.aplicaciones-lista { margin: 0 0 12px; font-size: 18px; line-height: 1.6; font-weight: 600; }

.disc + .disc { margin-top: 28px; }
.disc__btn { display: none; }
.proceso { grid-column: 1 / -1; padding-top: 28px; border-top: 1px solid var(--gris-linea); }
.pasos { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: nowrap; align-items: center; gap: 8px; }
.paso { display: flex; align-items: center; gap: 8px; white-space: nowrap; }
.paso__nombre { padding: 11px 18px; background: var(--gris-suave); border-radius: 999px; font-size: 16px; font-weight: 700; transition: background-color var(--t-media), color var(--t-media); }
.paso__flecha { font-size: 18px; font-weight: 700; line-height: 1; color: var(--c); }
.panel.is-entering .paso { animation: entrar var(--t-media) var(--curva) both; }
.panel.is-entering .paso:nth-child(2) { animation-delay: 80ms; }
.panel.is-entering .paso:nth-child(3) { animation-delay: 160ms; }
.panel.is-entering .paso:nth-child(4) { animation-delay: 240ms; }
.panel.is-entering .paso:nth-child(5) { animation-delay: 320ms; }
.paso:hover .paso__nombre { box-shadow: inset 0 0 0 2px var(--c); background: var(--blanco); }

.panel__cierre { grid-column: 1 / -1; padding: clamp(22px, 3vw, 32px); background: var(--gris-suave); border-radius: 0 32px 0 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px 32px; }
.panel__mensaje { margin: 0; display: flex; align-items: center; gap: 16px; font-size: clamp(19px, 1.8vw, 22px); line-height: 1.35; font-weight: 700; }
.panel__mensaje::before { content: ""; flex: 0 0 auto; width: 40px; height: 5px; background: var(--c); }

/* Método */
.metodo { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px 32px; }
.etapa { display: flex; flex-direction: column; gap: 16px; }
.etapa__cabeza { display: flex; align-items: center; gap: 16px; }
.etapa .circulo { width: clamp(76px, 7vw, 100px); height: clamp(76px, 7vw, 100px); background: var(--blanco); color: var(--petroleo); transition: transform var(--t-media) var(--curva); }
.etapa .circulo svg { width: 44%; height: 44%; stroke-width: 1.4; }
.etapa:hover .circulo { transform: scale(1.05); }
.etapa__linea { flex: 1 1 auto; height: 2px; background: #5D8A93; transform-origin: left; }
.etapa__nombre { font-size: 28px; font-weight: 800; letter-spacing: -0.01em; }
.etapa__desc { font-size: 17px; line-height: 1.6; color: var(--texto-claro); }

/* Aplicaciones */
.destacada { display: flex; flex-wrap: wrap; gap: 40px 64px; align-items: center; }
.documento { flex: 1.7 1 560px; min-width: 0; margin: 0; }
.documento__hojas { display: flex; flex-wrap: wrap; box-shadow: 0 24px 56px rgba(1, 55, 69, 0.18); transition: transform var(--t-media) var(--curva), box-shadow var(--t-media); }
.documento:hover .documento__hojas { transform: translateY(-4px); box-shadow: 0 32px 64px rgba(1, 55, 69, 0.22); }
.documento__portada { position: relative; flex: 1 1 200px; min-width: 0; overflow: hidden; background: var(--petroleo); color: var(--blanco); padding: clamp(24px, 3.4vw, 44px); display: flex; flex-direction: column; justify-content: space-between; gap: 40px; }
.documento__portada::after { content: ""; position: absolute; right: -60px; bottom: -60px; width: 180px; height: 180px; border-radius: 50%; background: var(--naranja); }
.documento__portada > * { position: relative; z-index: 1; }
.documento__portada .etiqueta { font-size: 13px; color: #D3E1E3; margin-bottom: 18px; }
.documento__portada strong { display: block; font-size: clamp(26px, 2.6vw, 36px); line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; }
.documento__portada p { margin: 0; max-width: 70%; font-size: 15px; color: var(--texto-claro); }
.documento__interior { flex: 1.5 1 280px; min-width: 0; background: var(--blanco); padding: clamp(24px, 3.4vw, 44px); }
.documento__interior > p:first-child { margin: 0 0 24px; font-size: 22px; font-weight: 800; }
.prioridades { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 22px; }
.prioridad { display: flex; gap: 16px; }
.prioridad::before { content: ""; flex: 0 0 auto; width: 6px; background: var(--c); }
.prioridad strong { display: block; margin-bottom: 6px; font-size: 18px; }
.prioridad span { font-size: 15px; color: var(--texto-suave); }
.prioridad--decision { padding: 18px; margin-inline: -18px; background: var(--tinta-decision); border-radius: 0 22px 0 0; }
.prioridad__sello { display: inline-block; margin-bottom: 8px; padding: 3px 10px; background: var(--blanco); border: 1.5px solid var(--naranja); font-size: 12px; font-weight: 800; letter-spacing: 0.08em; }
.destacada__texto { flex: 1 1 320px; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.pilar-tag { margin: 0; display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; }
.pilar-tag::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--c); }
.destacada__texto h3 { margin: 0; font-size: clamp(32px, 3.6vw, 48px); line-height: 1.04; font-weight: 800; letter-spacing: -0.03em; }
.pregunta { margin: 0; font-size: 21px; line-height: 1.4; font-weight: 700; }

.muestras { margin-top: clamp(48px, 6vw, 72px); display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 32px; align-items: start; }
.muestra { display: flex; flex-direction: column; gap: 14px; scroll-margin-top: calc(var(--header-alto) + 16px); }
.muestra figure { margin: 0; }
.muestra__pieza { transition: transform var(--t-media) var(--curva), box-shadow var(--t-media); }
.muestra:hover .muestra__pieza { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(1, 55, 69, 0.14); }
.muestra h3 { margin: 0; font-size: 26px; line-height: 1.2; font-weight: 800; }
.muestra > p:last-child { margin: 0; font-size: 17px; line-height: 1.6; }
.is-target .muestra__pieza { outline: 3px solid var(--c); outline-offset: 6px; }
.destacada { scroll-margin-top: calc(var(--header-alto) + 16px); }
.pieza-titulo { margin: 0 0 20px; font-size: 19px; font-weight: 800; }

.organigrama { background: var(--teal); color: var(--blanco); padding: 28px 24px 30px; border-radius: 0 48px 0 0; }
.organigrama__arbol { display: flex; flex-direction: column; align-items: center; }
.organigrama__raiz { padding: 12px 20px; background: var(--blanco); color: var(--petroleo); font-size: 15px; font-weight: 800; }
.organigrama__tronco { width: 2px; height: 18px; background: var(--blanco); }
.organigrama__ramas { width: 100%; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; border-top: 2px solid var(--blanco); padding-top: 18px; }
.organigrama__ramas span { padding: 10px 4px; background: var(--petroleo); text-align: center; font-size: 14px; font-weight: 700; line-height: 1.3; }
.organigrama__ramas small { display: block; font-size: 13px; font-weight: 500; }

.flujo { background: var(--blanco); padding: 28px 24px 30px; }
.flujo__pasos { display: flex; flex-direction: column; }
.flujo__paso { padding: 14px 16px; border: 2px solid var(--azul); font-size: 16px; font-weight: 700; }
.flujo__paso small { display: block; font-size: 12px; font-weight: 800; letter-spacing: 0.1em; color: var(--texto-suave); }
.flujo__paso--centro { padding-block: 20px; background: var(--azul); color: var(--blanco); border-radius: 0 28px 0 0; font-size: 17px; }
.flujo__paso--centro small { color: var(--blanco); }
.flujo__union { align-self: center; width: 2px; height: 16px; background: var(--azul); }

.hitos { position: relative; overflow: hidden; background: var(--blanco); padding: 28px 24px 30px; }
.hitos::before { content: ""; position: absolute; right: -46px; top: -46px; width: 120px; height: 120px; border-radius: 50%; background: var(--naranja); }
.hitos .pieza-titulo { position: relative; max-width: 70%; }
.hitos ol { position: relative; margin: 0; padding: 0 0 0 4px; list-style: none; }
.hito { display: flex; gap: 16px; }
.hito__marca { display: flex; flex-direction: column; align-items: center; }
.hito__punto { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--naranja); }
.hito__punto--hecho { background: var(--naranja); }
.hito__punto--fin { border-color: var(--petroleo); }
.hito__via { flex: 1; width: 2px; background: #C9D3D5; }
.hito__via--hecha { background: var(--naranja); }
.hito__texto { padding-bottom: 16px; }
.hito__texto small { display: block; font-size: 13px; font-weight: 700; color: var(--texto-suave); }
.hito__texto strong { font-size: 16px; }

/* Para quién y equipo */
.audiencia { display: flex; flex-wrap: wrap; gap: 40px 64px; align-items: stretch; }
.audiencia__texto { flex: 1.2 1 460px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.audiencia__texto .etiqueta { color: var(--texto-suave); font-size: 14px; margin-bottom: 6px; }
.cifra { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; }
.cifra__numero { font-size: clamp(56px, 7vw, 96px); line-height: 1; font-weight: 800; letter-spacing: -0.04em; color: var(--naranja); font-variant-numeric: tabular-nums; }
.cifra__unidad { font-size: clamp(22px, 2.2vw, 28px); font-weight: 700; }
.audiencia__texto > p { margin: 0; max-width: 620px; font-size: 19px; line-height: 1.6; }
.areas { margin: 4px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.areas li { padding: 8px 14px; background: #EEF2F2; font-size: 15px; font-weight: 600; border-radius: 4px; }

.equipo { flex: 1 1 380px; min-width: 0; background: var(--petroleo); color: var(--blanco); border-radius: 0 64px 0 0; padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; gap: 20px; }
.equipo h2 { margin: 0; font-size: clamp(28px, 3vw, 40px); line-height: 1.08; font-weight: 800; letter-spacing: -0.02em; }
.equipo > p { margin: 0; font-size: 20px; line-height: 1.5; font-weight: 500; }
.equipo figure { margin: 0; }
.orbita { position: relative; width: 100%; max-width: 340px; aspect-ratio: 1; margin: 4px auto 0; }
.orbita__anillo { position: absolute; inset: 14%; border: 2px dashed #5D8A93; border-radius: 50%; }
.orbita__centro { position: absolute; top: 50%; left: 50%; width: 128px; height: 128px; margin: -64px 0 0 -64px; border-radius: 50%; background: var(--blanco); color: var(--petroleo); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; text-align: center; font-size: 14px; font-weight: 800; line-height: 1.15; }
.orbita__centro svg { width: 34px; height: 34px; }
.orbita__giro { position: absolute; inset: 0; }
.orbita__nodo { position: absolute; width: 60px; height: 60px; margin: -30px 0 0 -30px; border: 3px solid var(--blanco); }
.orbita__nodo svg { width: 26px; height: 26px; }
.orbita__nodo:nth-child(1) { top: 14%; left: 50%; }
.orbita__nodo:nth-child(2) { top: 50%; left: 86%; }
.orbita__nodo:nth-child(3) { top: 86%; left: 50%; }
.orbita__nodo:nth-child(4) { top: 50%; left: 14%; }
.equipo figcaption { margin-top: 12px; font-size: 14px; line-height: 1.5; color: #D3E1E3; text-align: center; }

/* Contacto */
.contacto { display: flex; flex-wrap: wrap; gap: 40px 64px; align-items: flex-start; }
.contacto__texto { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: 20px; }
.contacto__texto > p { margin: 0; max-width: 460px; font-size: 19px; line-height: 1.6; }
.empezar { display: flex; flex-direction: column; gap: 12px; padding-top: 12px; }
.empezar h3 { margin: 0 0 4px; font-size: 20px; font-weight: 800; }
.empezar__paso { display: flex; align-items: flex-start; gap: 16px; }
.empezar__paso .circulo { width: 56px; height: 56px; }
.empezar__paso p { margin: 0; font-size: 18px; line-height: 1.45; }
.empezar__paso strong { display: block; }
.empezar__union { width: 2px; height: 16px; margin-left: 27px; background: var(--petroleo); }
.telefono { display: inline-flex; align-items: center; min-height: 48px; font-size: 19px; white-space: nowrap; }

.form { flex: 1.3 1 500px; min-width: 0; background: var(--blanco); padding: clamp(24px, 3.6vw, 48px); border-radius: 0 56px 0 0; display: flex; flex-direction: column; gap: 28px; }
.form fieldset { margin: 0; padding: 0; border: 0; }
.form legend, .form label.form__label { display: block; padding: 0; margin-bottom: 14px; font-size: 19px; font-weight: 800; }
.temas { display: flex; flex-wrap: wrap; gap: 10px; }
.tema { position: relative; display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 22px; border-radius: 999px; background: #ECEFEF; font-size: 16px; font-weight: 600; cursor: pointer; transition: background-color var(--t-rapida), color var(--t-rapida); }
.tema:hover { background: #DDE5E6; }
.tema input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.tema__marca { width: 16px; height: 16px; border-radius: 50%; border: 2px solid currentColor; flex: 0 0 auto; transition: background-color var(--t-rapida); }
.tema:has(input:checked) { background: var(--petroleo); color: var(--blanco); }
.tema:has(input:checked) .tema__marca { background: var(--naranja); border-color: var(--blanco); }
.tema:has(input:focus-visible) { outline: 3px solid var(--petroleo); outline-offset: 3px; }
.campo { width: 100%; padding: 16px; font: 400 16px/1.5 var(--fuente); color: var(--petroleo); background: #F4F6F6; border: 1.5px solid #9AAAAE; border-radius: 0; resize: vertical; transition: border-color var(--t-rapida), background-color var(--t-rapida); }
.campo:hover { border-color: var(--petroleo); }
.campo:focus { outline: 3px solid var(--petroleo); outline-offset: 2px; background: var(--blanco); }
.contador { margin: 8px 0 0; font-size: 13px; color: var(--texto-suave); text-align: right; font-variant-numeric: tabular-nums; }
.vista-previa { margin: 0; padding: 16px 18px; background: var(--gris-suave); border-radius: 0 20px 0 0; font-size: 15px; line-height: 1.5; }
.vista-previa span { display: block; margin-bottom: 6px; font-size: 12px; font-weight: 800; letter-spacing: 0.12em; color: var(--texto-suave); }
.form__envio { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 24px; }
.form__envio p { flex: 1 1 220px; margin: 0; font-size: 15px; line-height: 1.5; color: var(--texto-suave); }

/* Cierre y pie */
.cierre { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 48px; padding-block: clamp(56px, 7vw, 72px); }
.cierre__texto { flex: 1 1 480px; display: flex; flex-direction: column; gap: 20px; }
.cierre__texto::before { content: ""; width: 64px; height: 6px; background: var(--naranja); }
.cierre__texto p { margin: 0; max-width: 860px; font-size: clamp(24px, 3vw, 38px); line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; }
.footer__barra { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 40px; padding-block: 24px 28px; }
.footer__barra img { height: 48px; width: auto; }
.footer__datos { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 28px; font-size: 15px; font-weight: 600; }
.footer__datos a { padding: 12px 0; white-space: nowrap; }

/* Botón flotante */
.flotante { position: fixed; right: max(20px, env(safe-area-inset-right, 0px)); bottom: max(20px, env(safe-area-inset-bottom, 0px)); z-index: 40; display: inline-flex; align-items: center; gap: 10px; min-height: 56px; padding: 0 22px 0 18px; border-radius: 999px; background: var(--petroleo); color: var(--blanco); font-weight: 700; text-decoration: none; box-shadow: 0 12px 28px rgba(1, 55, 69, 0.3); opacity: 0; transform: translateY(16px); pointer-events: none; transition: opacity var(--t-media), transform var(--t-media) var(--curva), background-color var(--t-rapida); }
.flotante.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.flotante:hover { background: var(--naranja-hover); color: var(--blanco); }
.flotante svg { width: 22px; height: 22px; }

/* Aparición al desplazarse: el contenido es visible por defecto y solo se anima si el script lo activa */
.js-reveal .reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--curva), transform 700ms var(--curva); }
.js-reveal .reveal.is-visible { opacity: 1; transform: none; }
.js-reveal .reveal[data-delay="1"] { transition-delay: 90ms; }
.js-reveal .reveal[data-delay="2"] { transition-delay: 180ms; }
.js-reveal .reveal[data-delay="3"] { transition-delay: 270ms; }
.js-reveal .etapa__linea { transform: scaleX(0); transition: transform 900ms var(--curva) 300ms; }
.js-reveal .etapa.is-visible .etapa__linea { transform: scaleX(1); }
.js-reveal .ruta li { opacity: 0; transform: translateX(-12px); transition: opacity 500ms var(--curva), transform 500ms var(--curva); }
.js-reveal .comp.is-visible .ruta li { opacity: 1; transform: none; }
.js-reveal .comp.is-visible .ruta li:nth-child(2) { transition-delay: 120ms; }
.js-reveal .comp.is-visible .ruta li:nth-child(3) { transition-delay: 240ms; }
.js-reveal .comp.is-visible .ruta li:nth-child(4) { transition-delay: 360ms; }
.js-reveal .orbita__nodo { opacity: 0; transform: scale(.6); transition: opacity 500ms var(--curva), transform 500ms var(--curva); }
.js-reveal .orbita.is-visible .orbita__nodo { opacity: 1; transform: none; }
.js-reveal .orbita.is-visible .orbita__nodo:nth-child(2) { transition-delay: 120ms; }
.js-reveal .orbita.is-visible .orbita__nodo:nth-child(3) { transition-delay: 240ms; }
.js-reveal .orbita.is-visible .orbita__nodo:nth-child(4) { transition-delay: 360ms; }
.orbita.is-visible .orbita__anillo { animation: girar 60s linear infinite; }
@keyframes girar { to { transform: rotate(360deg); } }

/* Adaptación */
@media (max-width: 1100px) {
  .pilares__tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metodo { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .etapa__linea { display: none; }
  .muestras { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1000px) {
  .pasos { flex-direction: column; align-items: flex-start; gap: 6px; }
  .paso { flex-direction: column; align-items: flex-start; gap: 6px; }
  .paso__flecha { margin-left: 22px; transform: rotate(90deg); }
}
@media (max-width: 900px) {
  .panel__cuerpo { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  :root { --header-alto: 76px; }
  .menu-btn { display: inline-flex; }
  .nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 0; padding-top: 6px; border-top: 1px solid #C9D3D5; }
  .nav.is-open { display: flex; animation: entrar 260ms var(--curva) both; }
  .nav a { padding: 14px 0; font-size: 17px; border-bottom: 1px solid #DDE3E4; }
  .nav a::after { display: none; }
  .tile { flex-direction: column; align-items: flex-start; min-height: 0; padding: 16px; gap: 10px; }
  .tile .circulo { width: 48px; height: 48px; }
  .tile__sub { display: none; }
  .tile__nombre { font-size: 19px; }
  .disc__titulo { display: none; }
  .disc__btn { display: flex; width: 100%; align-items: center; justify-content: space-between; min-height: 56px; padding: 0; border: 0; border-bottom: 1px solid var(--gris-linea); background: transparent; color: var(--petroleo); font: 800 19px/1.2 var(--fuente); text-align: left; cursor: pointer; }
  .disc__ico { font-size: 26px; font-weight: 400; transition: transform var(--t-rapida); }
  .disc__btn[aria-expanded="true"] .disc__ico { transform: rotate(45deg); }
  .disc__cuerpo { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--t-media) var(--curva); }
  .disc__cuerpo > * { overflow: hidden; }
  .disc.is-open .disc__cuerpo { grid-template-rows: 1fr; }
  .disc.is-open .disc__cuerpo > * { padding-top: 16px; }
  .disc + .disc { margin-top: 0; }
  .proceso { padding-top: 0; border-top: 0; }
  .metodo { grid-template-columns: minmax(0, 1fr); }
  .muestras { grid-template-columns: minmax(0, 1fr); }
  .flotante span { display: none; }
  .flotante { padding: 0; width: 56px; justify-content: center; }
}
@media (max-width: 640px) {
  .comp { aspect-ratio: auto; display: flex; flex-direction: column; padding: 22px 18px; background: var(--petroleo); border-radius: 0 0 0 56px; }
  .comp__circulo, .comp__bloque { display: none; }
  .comp__hoja { position: static; width: auto; }
}
@media (max-width: 480px) {
  .btn { white-space: normal; width: 100%; text-align: center; padding: 12px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js-reveal .reveal, .js-reveal .ruta li, .js-reveal .orbita__nodo { opacity: 1; transform: none; }
  .js-reveal .etapa__linea { transform: none; }
}
@media (max-width: 760px) {
  .disc:not(.is-open) .disc__cuerpo > * { visibility: hidden; }
}