/* ==========================================================================
   MGM Ingeniería · Sistema web v2
   Fuente única: Manual de Identidad Visual MGM 2026.
   Paleta 6.1/6.3, degradado 6.2, tipografía 7.x, recursos gráficos 8.x,
   fotografía 9.x (color natural), jerarquía 4.5 (mensaje > información >
   identidad > recursos).
   ========================================================================== */
:root{
  /* Paleta principal: identifica */
  --rojo:#B61837; --azul:#005EAA; --violeta:#4A2462;
  /* Degradado de marca (6.2): lineal -33° */
  --degradado:linear-gradient(-33deg,#95172a 0%,#cd4259 30%,#d2465d 45%,#b61837 73%,#a01630 100%);
  /* Paleta secundaria: diferencia */
  --turquesa:#00A996; --amarillo:#F2C84A; --celeste:#9CD5DF;
  /* Neutros: organizan */
  --grafito:#2B2D42; --niebla:#F4F5F7; --blanco:#FFFFFF;
  /* Derivados de los neutros (solo opacidades del grafito) */
  --texto:#2B2D42; --texto-2:rgba(43,45,66,.78); --linea:rgba(43,45,66,.14);
  --linea-clara:rgba(255,255,255,.18);
  --rosa-marca:rgba(182,24,55,.28); /* tinte del símbolo de las portadillas */
  --sans:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Lora',Georgia,'Times New Roman',serif;
  --ease:cubic-bezier(.2,.8,.2,1);
  --g:clamp(20px,4.6vw,72px);       /* margen lateral */
  --max:1320px;
  --r:14px;                          /* radio único: marcos 8.5 */
  --hdr:84px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--sans);font-size:17px;line-height:1.65;color:var(--texto);background:var(--blanco);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid var(--azul);outline-offset:3px}
::selection{background:var(--rojo);color:#fff}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:200;background:var(--grafito);color:#fff;padding:10px 16px;border-radius:8px}
.skip:focus{top:12px}
.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--g)}
.num{font-variant-numeric:tabular-nums}

/* ---------- Tipografía (7.4): titulares SemiBold/Bold, cuerpo Regular, Lora editorial ---------- */
.t-capitulo{font-weight:500;font-size:clamp(18px,1.6vw,24px);letter-spacing:.02em}
.t-display{font-weight:700;font-size:clamp(40px,6.4vw,96px);line-height:1.02;letter-spacing:-.015em;text-transform:uppercase}
.t-h2{font-weight:700;font-size:clamp(30px,3.6vw,52px);line-height:1.1;letter-spacing:-.01em}
.t-h3{font-weight:600;font-size:clamp(21px,1.7vw,26px);line-height:1.25}
.t-lead{font-family:var(--sans);font-weight:400;font-size:clamp(18px,1.35vw,21px);line-height:1.6;color:var(--texto-2)}
.t-small{font-size:14px;line-height:1.55}
.t-tecnico{font-weight:500;font-size:14px;letter-spacing:.06em;text-transform:uppercase}
/* Título de sección con regla roja (aplicaciones del manual) */
.titulo{display:inline-block;padding-bottom:14px;position:relative}
.titulo::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--rojo);border-radius:2px;transform-origin:left;transform:scaleX(var(--rule,1))}
.on-dark .titulo::after,.on-red .titulo::after{background:#fff}

/* ---------- Botones: un solo sistema ---------- */
.btn{display:inline-flex;align-items:center;gap:14px;min-height:52px;padding:0 26px;border-radius:10px;font-weight:600;font-size:15px;letter-spacing:.01em;transition:background-color .25s,color .25s,border-color .25s,transform .25s var(--ease)}
.btn .flecha{width:20px;height:20px;transition:transform .35s var(--ease)}
.btn:hover .flecha{transform:translateX(5px)}
.btn:active{transform:translateY(1px)}
.btn-rojo{background:var(--rojo);color:#fff}
.btn-rojo:hover{background:#95172a}
.btn-linea{border:2px solid currentColor}
.btn-linea:hover{background:var(--grafito);border-color:var(--grafito);color:#fff}
.on-dark .btn-linea:hover,.on-red .btn-linea:hover{background:#fff;border-color:#fff;color:var(--grafito)}
.on-red .btn-blanco{background:#fff;color:var(--rojo)}
.on-red .btn-blanco:hover{background:var(--grafito);color:#fff}
.enlace{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:15px;border-bottom:2px solid currentColor;padding-bottom:3px}
.enlace .flecha{width:18px;height:18px;transition:transform .35s var(--ease)}
.enlace:hover .flecha{transform:translateX(5px)}

/* ==========================================================================
   Encabezado: cristal esmerilado al hacer scroll, claro u oscuro según sección
   ========================================================================== */
.hdr{position:fixed;inset:0 0 auto;z-index:60;height:var(--hdr);display:flex;align-items:center;color:var(--grafito);transition:height .45s var(--ease),background-color .45s,color .35s,box-shadow .45s,backdrop-filter .45s}
.hdr .wrap{display:flex;align-items:center;gap:28px}
.hdr .marca{display:block;width:196px;flex:none;transition:width .45s var(--ease)}
.hdr .marca img{width:100%;height:auto}
.hdr .marca .m-blanco{display:none}
.hdr .nav{display:flex;gap:4px;margin-left:auto}
.hdr .nav a{position:relative;padding:10px 14px;font-weight:600;font-size:14.5px;border-radius:8px;transition:background-color .25s}
.hdr .nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--rojo);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.hdr .nav a:hover::after,.hdr .nav a[aria-current="page"]::after{transform:scaleX(1)}
.hdr .btn{min-height:44px;padding:0 20px;font-size:14px}
.hdr.glass{height:68px;background:rgba(255,255,255,.66);-webkit-backdrop-filter:blur(18px) saturate(1.6);backdrop-filter:blur(18px) saturate(1.6);box-shadow:0 1px 0 var(--linea)}
.hdr.glass .marca{width:170px}
.hdr.dark{color:#fff}
.hdr.dark .marca .m-color{display:none}.hdr.dark .marca .m-blanco{display:block}
.hdr.dark.glass{background:rgba(43,45,66,.58);box-shadow:0 1px 0 var(--linea-clara)}
.hdr.red.glass{background:rgba(149,23,42,.55)}
.hdr.dark .nav a::after{background:#fff}
.hdr.hidden{transform:translateY(-110%)}
.hdr{transition-property:height,background-color,color,box-shadow,transform}
.burger{display:none;margin-left:auto;width:48px;height:48px;border-radius:10px;border:2px solid currentColor;position:relative}
.burger i{position:absolute;left:12px;right:12px;height:2px;background:currentColor;transition:transform .4s var(--ease),top .4s var(--ease)}
.burger i:nth-child(1){top:18px}.burger i:nth-child(2){top:26px}
.menu-abierto .burger i:nth-child(1){top:22px;transform:rotate(45deg)}
.menu-abierto .burger i:nth-child(2){top:22px;transform:rotate(-45deg)}
.menu-movil{position:fixed;inset:0;z-index:55;background:var(--rojo);color:#fff;padding:110px var(--g) 40px;display:flex;flex-direction:column;visibility:hidden;clip-path:circle(0% at calc(100% - 44px) 42px);transition:clip-path .7s var(--ease),visibility 0s .7s;overflow:auto}
.menu-movil a.item{font-weight:700;font-size:clamp(28px,7.4vw,40px);line-height:1.15;padding:12px 0;border-bottom:1px solid var(--linea-clara);display:flex;justify-content:space-between;align-items:center}
.menu-movil .datos{margin-top:auto;padding-top:28px;font-size:15px;display:grid;gap:6px}
.menu-abierto .menu-movil{visibility:visible;clip-path:circle(150% at calc(100% - 44px) 42px);transition:clip-path .7s var(--ease)}
.menu-abierto .hdr{color:#fff}
.menu-abierto .hdr .marca .m-color{display:none}.menu-abierto .hdr .marca .m-blanco{display:block}
.menu-abierto .hdr.glass{background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;box-shadow:none}

/* ==========================================================================
   Intro: animación del logotipo (manual 10.4) sobre negro
   ========================================================================== */
.intro{position:fixed;inset:0;z-index:100;background:var(--grafito);display:grid;place-items:center;transition:opacity .7s var(--ease),visibility 0s .7s}
.intro.fin{opacity:0;visibility:hidden}
.intro .logo-anim{width:min(70vw,520px);display:flex;align-items:center;gap:6%}
.intro svg.sim{width:34%;flex:none;overflow:visible}
.intro .pulso{fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;stroke-dasharray:.06 .94;stroke-dashoffset:1}
.intro .estela{fill:none;stroke:rgba(205,66,89,.85);stroke-width:.8;stroke-dasharray:1;stroke-dashoffset:1}
.intro .relleno{opacity:0}
.intro .palabra{width:66%;opacity:0;transform:translateX(-12px)}
.intro.play .pulso{animation:recorre 1.1s cubic-bezier(.45,0,.2,1) forwards}
.intro.play .estela{animation:dibuja 1.1s cubic-bezier(.45,0,.2,1) forwards}
.intro.play .relleno{animation:aparece .45s .9s forwards}
.intro.play .palabra{animation:entra .5s 1s var(--ease) forwards}
@keyframes recorre{to{stroke-dashoffset:-0.0}}
@keyframes dibuja{to{stroke-dashoffset:0}}
@keyframes aparece{to{opacity:1}}
@keyframes entra{to{opacity:1;transform:none}}

/* ==========================================================================
   Portada (hero): aplicación "Energía que conecta" de la presentación 10.3
   ========================================================================== */
.portada{position:relative;min-height:100svh;padding-top:var(--hdr);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);background:var(--blanco);overflow:hidden}
.portada .texto{position:relative;z-index:3;display:flex;flex-direction:column;justify-content:center;padding:48px 32px 96px var(--g);max-width:calc(var(--max)/2 + 40px);margin-left:auto;width:100%}
.portada .t-capitulo{color:var(--rojo);font-weight:500;margin-bottom:22px}
.portada h1{color:var(--grafito)}
.portada h1 .linea{display:block}
.portada .t-lead{margin-top:28px;max-width:34ch}
.portada .acciones{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}
.portada .foto{position:relative;z-index:1;clip-path:polygon(17% 0,100% 0,100% 100%,0 100%);background:var(--grafito)}
.portada .foto img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.06);transition:opacity 1.4s var(--ease),transform 7s linear}
.portada .foto img.on{opacity:1;transform:scale(1)}
.portada .foto .pie{position:absolute;right:var(--g);bottom:118px;z-index:2;color:#fff;font-size:14px;font-weight:500;text-align:right;transition:opacity .6s}
.portada .foto::after{content:"";position:absolute;inset:auto 0 0 0;height:45%;background:linear-gradient(transparent,rgba(43,45,66,.55));z-index:1;pointer-events:none}
.portada .foto .pie b{display:block;font-size:16px}
/* Franjas: azul y violeta paralelas al corte del símbolo, rojo en la base */
.portada .franja-azul{position:absolute;z-index:2;top:var(--hdr);bottom:0;left:calc(50% - 7.6%);width:2.4%;background:var(--azul);transform:skewX(-9.3deg);transform-origin:bottom}
.portada .franja-violeta{position:absolute;z-index:2;top:var(--hdr);bottom:0;left:calc(50% - 4.7%);width:.6%;background:var(--violeta);transform:skewX(-9.3deg);transform-origin:bottom}
.portada .base{position:absolute;z-index:4;left:0;right:0;bottom:0;height:86px;display:grid;grid-template-columns:repeat(4,1fr);background:var(--rojo);color:#fff}
.portada .base>div{display:flex;align-items:center;gap:14px;padding:0 var(--g);border-right:1px solid var(--linea-clara)}
.portada .base>div:last-child{border-right:0}
.portada .base b{font-size:clamp(22px,2vw,30px);font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.portada .base span{font-size:13.5px;line-height:1.3;opacity:.92}
.portada .flujo{position:absolute;z-index:3;left:0;top:52%;width:52%;height:auto;pointer-events:none}
.portada .flujo path{fill:none;stroke-width:3;stroke-linecap:round}

/* ==========================================================================
   Portadillas de capítulo (rojo institucional + símbolo de fondo)
   ========================================================================== */
.capitulo{position:relative;background:var(--rojo);color:#fff;overflow:hidden;padding:clamp(90px,11vw,170px) 0 clamp(80px,9vw,140px)}
.capitulo .marca-agua{position:absolute;right:-6%;bottom:-18%;width:min(62vw,860px);opacity:.07;pointer-events:none}
.capitulo .esquina{position:absolute;right:0;bottom:0;width:clamp(90px,10vw,150px);color:rgba(255,255,255,.38);pointer-events:none}
.capitulo .grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(30px,6vw,96px);align-items:end}
.capitulo .t-capitulo{display:block;margin-bottom:18px}
.capitulo .t-lead{color:rgba(255,255,255,.92)}
.on-red .t-lead{color:rgba(255,255,255,.92)}

/* ---------- Superficies ---------- */
.sec{position:relative;padding:clamp(80px,10vw,150px) 0}
.on-dark{background:var(--grafito);color:#fff}
.on-dark .t-lead{color:rgba(255,255,255,.82)}
.on-niebla{background:var(--niebla)}
.cabeza{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(48px,6vw,84px)}
.cabeza .t-capitulo{display:block;margin-bottom:14px;color:var(--rojo)}
.on-dark .cabeza .t-capitulo{color:var(--celeste)}

/* ==========================================================================
   Cifras como nodos de conexión (8.2)
   ========================================================================== */
.nodos{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-top:58px}
.nodos::before{content:"";position:absolute;left:24px;right:24px;top:22px;height:3px;background:var(--grafito);transform-origin:left;transform:scaleX(var(--p,1))}
.nodo{position:relative}
.nodo .aro{position:absolute;top:-58px;left:0;width:47px;height:47px;border-radius:50%;background:#fff;border:9px solid var(--c,var(--rojo))}
.nodo .aro::after{content:"";position:absolute;left:50%;top:100%;width:3px;height:14px;margin-left:-1.5px;background:var(--c,var(--rojo))}
.nodo b{display:block;font-size:clamp(34px,3.4vw,52px);font-weight:700;line-height:1;font-variant-numeric:tabular-nums;margin-top:8px}
.nodo span{display:block;margin-top:10px;color:var(--texto-2);font-size:15px;max-width:24ch}

/* ==========================================================================
   Soluciones como recorridos (8.3): líneas que se separan hacia bloques
   ========================================================================== */
.recorridos{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.6fr);gap:0;align-items:stretch}
.recorridos .haz{position:relative}
.recorridos svg.lineas{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.recorridos svg.lineas path{fill:none;stroke:var(--grafito);stroke-width:3;stroke-linecap:round}
.recorridos .origen{position:sticky;top:120px;padding-right:20%}
.sol{position:relative;display:grid;grid-template-columns:12px minmax(0,1fr) minmax(0,190px);gap:0 28px;align-items:center;padding:26px 0;border-bottom:1px solid var(--linea)}
.sol:first-child{border-top:1px solid var(--linea)}
.sol .bloque{align-self:stretch;width:12px;border-radius:3px;background:var(--c)}
.sol .n{font-weight:500;font-size:13px;color:var(--texto-2);letter-spacing:.06em}
.sol h3{margin:4px 0 8px}
.sol p{font-size:15.5px;color:var(--texto-2);max-width:56ch}
.sol .mini{aspect-ratio:4/3;border-radius:var(--r);overflow:hidden}
.sol .mini img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.sol:hover .mini img{transform:scale(1.06)}
.sol .enlace{margin-top:14px}
.sol:hover h3{color:var(--rojo)}

/* ==========================================================================
   Capacidades: índice técnico sobre patrón de recorridos (8.6)
   ========================================================================== */
.capacidades{position:relative;overflow:hidden}
.patron{position:absolute;inset:0;opacity:.07;pointer-events:none;background-image:url("../brand/patron-recorridos.svg");background-size:280px}
.indice{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:0 56px;counter-reset:cap}
.indice li{list-style:none;display:grid;grid-template-columns:52px 1fr;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--linea);font-weight:600;font-size:clamp(17px,1.4vw,20px)}
.indice li::before{counter-increment:cap;content:counter(cap,decimal-leading-zero);font-weight:500;font-size:13px;color:var(--rojo);letter-spacing:.06em}
.ciclo{display:grid;grid-template-columns:repeat(4,1fr);margin-top:64px;border:3px solid var(--grafito);border-radius:var(--r);overflow:hidden}
.ciclo div{padding:24px 26px;border-right:1px solid var(--linea);position:relative}
.ciclo div:last-child{border-right:0}
.ciclo div b{display:block;font-size:18px;margin-bottom:4px}
.ciclo div span{font-size:14.5px;color:var(--texto-2)}
.ciclo div::before{content:"";position:absolute;left:0;top:0;height:6px;width:56px;background:var(--c)}

/* ==========================================================================
   Proyectos: recorrido horizontal con marcos (8.5)
   ========================================================================== */
.proyectos{overflow:hidden}
.pista-wrap{position:relative}
.pista{display:flex;gap:32px;padding:0 var(--g);width:max-content}
.marco{position:relative;width:min(82vw,600px);flex:none}
.marco .foto{position:relative;aspect-ratio:3/2;border-radius:var(--r);overflow:hidden}
.marco .foto img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.marco:hover .foto img{transform:scale(1.04)}
/* Marco del manual: borde grafito con una esquina en color */
.marco .foto::after{content:"";position:absolute;inset:0;border-radius:var(--r);border:3px solid rgba(255,255,255,.0);pointer-events:none}
.marco .esq{position:absolute;width:64px;height:64px;pointer-events:none;z-index:2}
.marco .esq.a{left:-10px;top:-10px;border-left:4px solid var(--c);border-top:4px solid var(--c);border-top-left-radius:20px}
.marco .esq.b{right:-10px;bottom:-10px;border-right:4px solid var(--c);border-bottom:4px solid var(--c);border-bottom-right-radius:20px}
.marco .datos{padding:26px 4px 0}
.marco .cat{color:var(--celeste)}
.marco h3{margin:8px 0 10px}
.marco p{font-size:15.5px;color:rgba(255,255,255,.8)}
.marco .cifras{display:flex;flex-wrap:wrap;gap:10px 28px;margin:18px 0 18px}
.marco .cifras div{font-size:13.5px;color:rgba(255,255,255,.75)}
.marco .cifras b{display:block;font-size:22px;color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.avance{margin:56px var(--g) 0;height:3px;background:var(--linea-clara);position:relative}
.avance i{position:absolute;left:0;top:0;bottom:0;width:100%;background:#fff;transform-origin:left;transform:scaleX(0)}

/* ==========================================================================
   ADN: "MGM es..." (2.5) sobre el símbolo en marca de agua
   ========================================================================== */
.adn{position:relative;overflow:hidden}
.adn .marca-agua{position:absolute;left:50%;top:50%;width:min(110vw,1300px);transform:translate(-30%,-50%);color:var(--rojo);opacity:.045;pointer-events:none}
.adn .pares{position:relative;display:grid;grid-template-columns:repeat(2,1fr);gap:0 64px;margin-top:40px}
.adn .par{display:flex;align-items:baseline;gap:14px;padding:22px 0;border-bottom:1px solid var(--linea);font-size:clamp(22px,2.2vw,32px);font-weight:600;line-height:1.2}
.adn .par em{font-family:var(--serif);font-style:normal;font-weight:400;color:var(--rojo)}
.atributos{position:relative;display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:48px}
.atributos span{display:inline-flex;align-items:center;gap:12px;font-weight:600;font-size:15px}
.atributos span::before{content:"";width:14px;height:14px;border-radius:50%;border:4px solid var(--c)}

/* ==========================================================================
   Sostenibilidad
   ========================================================================== */
.dividido{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,6vw,96px);align-items:center}
.foto-marco{position:relative}
.foto-marco img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r)}
.foto-marco .esq{position:absolute;width:72px;height:72px}
.foto-marco .esq.a{left:-12px;top:-12px;border-left:4px solid var(--c,var(--turquesa));border-top:4px solid var(--c,var(--turquesa));border-top-left-radius:22px}
.foto-marco .esq.b{right:-12px;bottom:-12px;border-right:4px solid var(--c,var(--turquesa));border-bottom:4px solid var(--c,var(--turquesa));border-bottom-right-radius:22px}
.ejes{display:grid;gap:0;margin-top:34px}
.ejes div{display:grid;grid-template-columns:48px 1fr;gap:0 4px;padding:18px 0;border-top:1px solid var(--linea)}
.ejes svg{width:30px;height:30px;color:var(--c)}
.ejes b{display:block;font-size:17px}
.ejes span{font-size:15px;color:var(--texto-2)}

/* ==========================================================================
   Actualidad: composición editorial (1 grande + 2)
   ========================================================================== */
.editorial{display:grid;grid-template-columns:1.25fr 1fr;gap:40px}
.nota{display:grid;gap:16px;align-content:start}
.nota .img{border-radius:var(--r);overflow:hidden;aspect-ratio:16/10}
.nota .img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.nota:hover .img img{transform:scale(1.04)}
.nota time{color:var(--rojo)}
.nota h3{transition:color .25s}
.nota:hover h3{color:var(--rojo)}
.nota p{font-size:15.5px;color:var(--texto-2)}
.notas-lado{display:grid;gap:32px}
.notas-lado .nota{grid-template-columns:200px 1fr;gap:22px;align-items:start}
.notas-lado .nota .img{aspect-ratio:1}

/* ==========================================================================
   Conecta: talento, proveedores, colaboradores (flechas 8.4)
   ========================================================================== */
.filas{border-top:3px solid var(--grafito)}
.fila{display:grid;grid-template-columns:80px 1fr 1.2fr 64px;align-items:center;gap:24px;padding:30px 0;border-bottom:1px solid var(--linea);transition:padding .4s var(--ease)}
.fila:hover{padding-left:14px}
.fila .ico{width:56px;height:56px;color:var(--c)}
.fila p{color:var(--texto-2);font-size:15.5px}
.fila .ir{width:56px;height:56px;border-radius:10px;border:2px solid var(--grafito);display:grid;place-items:center;transition:background-color .25s,color .25s}
.fila .ir svg{width:22px;height:22px}
.fila:hover .ir{background:var(--rojo);border-color:var(--rojo);color:#fff}

/* ==========================================================================
   Contacto: red hexagonal con el símbolo al centro (8.2)
   ========================================================================== */
.contacto .dividido{align-items:start}
.canales{display:grid;grid-template-columns:1fr 1fr;gap:28px 32px;margin-top:40px}
.canales .k{display:block;margin-bottom:4px;color:var(--celeste)}
.canales a,.canales p{font-weight:600;font-size:17px;line-height:1.45}
.canales a:hover{text-decoration:underline;text-underline-offset:4px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:#fff;color:var(--texto);border-radius:var(--r);padding:clamp(24px,3vw,40px)}
.form .full{grid-column:1/-1}
.form label{display:grid;gap:8px;font-weight:600;font-size:14px}
.form input,.form select,.form textarea{font:inherit;font-size:16px;font-weight:400;color:var(--texto);background:var(--niebla);border:2px solid transparent;border-radius:10px;padding:13px 14px;transition:border-color .2s,background-color .2s}
.form input:focus,.form select:focus,.form textarea:focus{outline:0;border-color:var(--azul);background:#fff}
.form textarea{min-height:120px;resize:vertical}
.form .estado{grid-column:1/-1;font-size:14px;min-height:1.4em;color:var(--azul)}
.hex{width:100%;max-width:420px;margin-top:48px;opacity:.95}

/* ==========================================================================
   Pie
   ========================================================================== */
.pie-sitio{background:var(--grafito);color:rgba(255,255,255,.82);padding:80px 0 30px;font-size:15px}
.pie-sitio .arriba{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.pie-sitio .marca{width:220px;margin-bottom:22px}
.pie-sitio h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.pie-sitio ul{list-style:none;display:grid;gap:10px}
.pie-sitio a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.redes{display:flex;gap:10px;margin-top:24px}
.redes a{width:44px;height:44px;border:2px solid var(--linea-clara);border-radius:10px;display:grid;place-items:center;transition:background-color .25s,border-color .25s}
.redes a:hover{background:var(--rojo);border-color:var(--rojo)}
.redes svg{width:19px;height:19px}
.pie-sitio .linea-roja{height:2px;background:var(--rojo);margin:56px 0 18px}
.pie-sitio .abajo{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}
.pie-sitio .abajo .firma{color:#fff;font-weight:600}

.wa{position:fixed;right:22px;bottom:22px;z-index:50;width:54px;height:54px;border-radius:14px;background:var(--grafito);color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px -12px rgba(0,0,0,.5);transition:background-color .25s}
.wa:hover{background:var(--rojo)}
.wa svg{width:26px;height:26px}

/* ==========================================================================
   Páginas internas
   ========================================================================== */
.int-portada{position:relative;padding:calc(var(--hdr) + clamp(50px,7vw,110px)) 0 clamp(56px,6vw,90px);background:var(--rojo);color:#fff;overflow:hidden}
.int-portada .marca-agua{position:absolute;right:-8%;bottom:-30%;width:min(60vw,760px);opacity:.08}
.int-portada .migas{font-size:14px;margin-bottom:26px;opacity:.9}
.int-portada .migas a{text-decoration:underline;text-underline-offset:3px}
.int-portada .t-display{max-width:16ch}
.int-portada .t-lead{color:rgba(255,255,255,.92);max-width:56ch;margin-top:24px}
.int-foto{position:relative;margin-top:-1px}
.int-foto img{width:100%;height:clamp(300px,52vw,640px);object-fit:cover}
.int-foto .franja{position:absolute;left:0;right:0;bottom:0;height:10px;background:var(--azul)}
.cuerpo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:clamp(32px,6vw,100px)}
.cuerpo aside{position:sticky;top:110px;align-self:start}
.ficha{border:3px solid var(--grafito);border-radius:var(--r);padding:26px;position:relative}
.ficha::before{content:"";position:absolute;left:-3px;top:-3px;width:60px;height:60px;border-left:3px solid var(--rojo);border-top:3px solid var(--rojo);border-top-left-radius:var(--r)}
.ficha dl{display:grid;gap:16px}
.ficha dt{font-size:13px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--texto-2)}
.ficha dd{font-weight:600;font-size:16px}
.prosa p{font-family:var(--serif);font-size:19px;line-height:1.75;color:var(--texto-2);margin-bottom:22px}
.prosa h2{margin:46px 0 18px}
.lista-serv{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:10px}
.lista-serv div{padding:20px 0;border-top:1px solid var(--linea)}
.lista-serv b{display:block;font-size:17px;margin-bottom:4px}
.lista-serv span{font-size:15.5px;color:var(--texto-2)}
.pasos{display:grid;gap:0;margin-top:10px;counter-reset:paso}
.pasos div{display:grid;grid-template-columns:64px 1fr;padding:20px 0;border-top:1px solid var(--linea)}
.pasos div::before{counter-increment:paso;content:counter(paso,decimal-leading-zero);font-weight:700;font-size:22px;color:var(--rojo)}
.galeria{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.galeria img{width:100%;height:100%;object-fit:cover;border-radius:var(--r)}
.galeria .g1{grid-column:span 7;aspect-ratio:4/3}
.galeria .g2{grid-column:span 5;aspect-ratio:4/5}
.galeria .g3{grid-column:span 4;aspect-ratio:1}
.galeria .g4{grid-column:span 8;aspect-ratio:2/1}
.cifras-int{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;margin:10px 0 30px}
.cifras-int div{border-top:3px solid var(--c,var(--rojo));padding-top:14px}
.cifras-int b{display:block;font-size:clamp(28px,2.6vw,40px);font-weight:700;line-height:1.05;font-variant-numeric:tabular-nums}
.cifras-int span{font-size:14.5px;color:var(--texto-2)}
.siguiente{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:46px 0;border-top:3px solid var(--grafito)}
.lista-tarjetas{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}
.hitos{display:grid;gap:0;border-left:3px solid var(--grafito);margin-left:10px}
.hitos div{position:relative;padding:0 0 34px 34px}
.hitos div::before{content:"";position:absolute;left:-12px;top:4px;width:21px;height:21px;border-radius:50%;background:#fff;border:5px solid var(--c,var(--rojo))}
.hitos b{display:block;font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- Enfoque al hacer scroll (desenfoque -> enfoque) ---------- */
.enfoque{will-change:filter,opacity,transform}
html.js .enfoque{opacity:0;filter:blur(8px);transform:translateY(10px)}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1240px){.hdr .nav,.hdr .btn{display:none}.burger{display:block}}
@media (max-width:1100px){
  .portada{grid-template-columns:1fr;min-height:auto}
  .portada .texto{padding:40px var(--g) 40px;margin:0;max-width:none}
  .portada .foto{height:min(78vw,520px);clip-path:polygon(0 9%,100% 0,100% 100%,0 100%)}
  .portada .franja-azul,.portada .franja-violeta,.portada .flujo{display:none}
  .portada .base{position:relative;grid-template-columns:1fr 1fr;height:auto}
  .portada .base>div{padding:18px var(--g);border-bottom:1px solid var(--linea-clara)}
  .capitulo .grid,.cabeza,.dividido,.recorridos,.cuerpo,.editorial{grid-template-columns:1fr}
  .recorridos .origen{position:relative;top:0;padding:0 0 30px}
  .nodos{grid-template-columns:1fr 1fr;row-gap:70px}
  .nodos::before{display:none}
  .ciclo{grid-template-columns:1fr 1fr}
  .ciclo div{border-bottom:1px solid var(--linea)}
  .adn .pares{grid-template-columns:1fr}
  .pie-sitio .arriba{grid-template-columns:1fr 1fr}
  .cuerpo aside{position:relative;top:0}
  .lista-tarjetas{grid-template-columns:1fr 1fr}
}
@media (max-width:700px){
  :root{--hdr:72px}
  body{font-size:16px}
  .hdr .marca{width:156px}.hdr.glass .marca{width:146px}
  .portada .base{grid-template-columns:1fr 1fr}
  .portada .base b{font-size:22px}
  .sol{grid-template-columns:8px minmax(0,1fr);gap:0 18px}
  .sol .mini{display:none}
  .indice{grid-template-columns:1fr}
  .ciclo{grid-template-columns:1fr}
  .fila{grid-template-columns:48px 1fr 48px;gap:16px}
  .fila p{grid-column:2/3}
  .fila .ico{width:40px;height:40px}
  .fila .ir{grid-row:1;grid-column:3;width:48px;height:48px}
  .canales,.form{grid-template-columns:1fr}
  .notas-lado .nota{grid-template-columns:110px 1fr}
  .pie-sitio .arriba{grid-template-columns:1fr}
  .lista-serv,.lista-tarjetas{grid-template-columns:1fr}
  .galeria .g1,.galeria .g2,.galeria .g3,.galeria .g4{grid-column:span 12;aspect-ratio:4/3}
  .wa{width:50px;height:50px;right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html.js .enfoque{opacity:1;filter:none;transform:none}
  .intro{display:none}
}
.recorridos .diag{width:100%;max-width:420px;margin-top:44px}
.recorridos .diag path{stroke-dasharray:var(--L,600);stroke-dashoffset:0}
.t-capitulo{color:var(--rojo)}
.on-red .t-capitulo,.capitulo .t-capitulo{color:#fff}
.on-dark .t-capitulo{color:var(--celeste)}
/* ajustes portada y navegación */
.hdr .nav a{white-space:nowrap;padding:10px 11px;font-size:14px}
@media (max-width:1380px){.hdr .nav a{padding:12px 8px;font-size:13.5px}.hdr .marca{width:170px}}
.portada .texto{padding-bottom:210px}
.portada .flujo{top:auto;bottom:92px;width:50%}
.t-capitulo{display:block;margin-bottom:12px}
.ejes div{display:block;padding:0;border:0}
.ejes>div{display:grid;grid-template-columns:48px 1fr;gap:0 4px;padding:18px 0;border-top:1px solid var(--linea)}
html{overflow-x:clip}
@media (max-width:1100px){.portada .texto{padding-bottom:48px}}
@media (max-width:700px){.nodo b{font-size:26px}.nodo span{font-size:14px}.portada .t-display{font-size:40px}}
.flecha{width:20px;height:20px;flex:none}
.menu-movil .flecha{width:28px;height:28px}

/* auditoría: foco visible en fondos oscuros, objetivos táctiles, vacíos */
.on-dark :focus-visible,.on-red :focus-visible,.capitulo :focus-visible,.menu-movil :focus-visible,.pie-sitio :focus-visible,.int-portada :focus-visible{outline-color:#fff}
.enlace{min-height:44px}
.canales a,.menu-movil .datos a,.pie-sitio li a{display:inline-block;padding:10px 0}
.hdr .nav a{padding-block:12px}
.cifras:empty{display:none}
.sol .n,.canales .k,.pie-sitio .abajo{font-size:14px}
.prosa p{font-family:var(--serif)}
@media (max-width:700px){.portada .foto .pie{left:var(--g);right:auto;text-align:left;bottom:20px}.portada .foto::after{height:60%}}
.portada .franja-azul,.portada .franja-violeta,.portada .flujo{display:none!important}.portada .texto{padding-bottom:150px}

/* ===== Correcciones de bugs (23/10, revisión post-reunión) ===== */
/* Botón del encabezado legible sobre rojo y grafito */
.hdr.dark .btn-rojo{background:#fff;color:var(--rojo)}
.hdr.dark .btn-rojo:hover{background:var(--grafito);color:#fff}
.hdr.red .btn-rojo:hover{background:var(--grafito)}
/* Títulos de páginas internas: dos o tres líneas, no cuatro */
.int-portada .t-display{font-size:clamp(34px,4.6vw,68px);max-width:20ch;line-height:1.05}
/* Portada en móvil: la columna no debe crecer más que la pantalla */
@media (max-width:1100px){.portada{grid-template-columns:minmax(0,1fr)}}
/* Transiciones entre páginas (View Transitions, navegación entre documentos) */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-sale .35s var(--ease) both}
::view-transition-new(root){animation:vt-entra .55s var(--ease) both}
@keyframes vt-sale{to{opacity:0;transform:translateY(-12px)}}
@keyframes vt-entra{from{opacity:0;transform:translateY(16px)}}
@media (prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}}
/* Página 404 */
.p404{min-height:100svh;display:grid;place-items:center;background:var(--rojo);color:#fff;text-align:left;position:relative;overflow:hidden;padding:120px var(--g) 80px}
.p404 .marca-agua{position:absolute;right:-10%;bottom:-20%;width:min(70vw,900px);opacity:.08}
.p404 .t-display{font-size:clamp(40px,6vw,88px)}
.p404 p{font-size:19px;margin:20px 0 34px;max-width:46ch}
/* Entrada de la portada en CSS: no depende de JavaScript */
.portada .foto{animation:revela 1.3s cubic-bezier(.7,0,.2,1) .15s both}
@keyframes revela{from{clip-path:polygon(100% 0,100% 0,100% 100%,100% 100%)}}
.portada .base>div{animation:sube .8s var(--ease) both}
.portada .base>div:nth-child(1){animation-delay:.55s}.portada .base>div:nth-child(2){animation-delay:.62s}
.portada .base>div:nth-child(3){animation-delay:.69s}.portada .base>div:nth-child(4){animation-delay:.76s}
@keyframes sube{from{opacity:0;transform:translateY(100%)}}
/* Menús desplegables del encabezado */
.hdr .nav{align-items:center}
.drop{position:relative}
.drop .panel{position:absolute;left:-14px;top:100%;padding-top:12px;visibility:hidden;opacity:0;transform:translateY(-6px);transition:opacity .25s,transform .3s var(--ease),visibility 0s .3s}
.drop:hover .panel,.drop:focus-within .panel{visibility:visible;opacity:1;transform:none;transition:opacity .25s,transform .3s var(--ease)}
.drop .panel-in{min-width:330px;background:#fff;color:var(--grafito);border-radius:var(--r);box-shadow:0 24px 50px -20px rgba(43,45,66,.35),0 0 0 1px var(--linea);padding:10px;display:grid}
.drop .panel-in a{padding:12px 14px!important;border-radius:10px;font-size:14.5px!important;font-weight:600}
.drop .panel-in a::after{display:none}
.drop .panel-in a:hover,.drop .panel-in a:focus-visible{background:var(--niebla)}
.drop .op{display:flex;align-items:center;gap:12px}
.drop .op .cuadro{width:10px;height:22px;border-radius:2px;background:var(--c);flex:none}
.drop .todo{display:flex;align-items:center;justify-content:space-between;margin-top:6px;border-top:1px solid var(--linea);border-radius:0 0 10px 10px!important;color:var(--rojo)}
.hdr.dark .drop .panel-in a{color:var(--grafito)}