/* Layout: el sitio como un libro — portada, índice, seis capítulos con folios y cabecera corrida, cierre en Tinta.
   Axioma habla con la paleta editorial; cada socio del ecosistema se identifica con un color de apoyo.
   Tema único y deliberado: la marca vive sobre su color Base, con bandas en Tinta y Secundario. */
:root{
  color-scheme:light;
  /* Paleta editorial oficial */
  --tinta:#172D32;
  --secundario:#235B60;
  --base:#F5F1E8;
  --acento:#A4472D;
  /* Paleta de apoyo oficial — socios del ecosistema */
  --apoyo-petroleo:#005F68;
  --apoyo-verde:#008654;
  --apoyo-oliva:#78A311;
  --apoyo-ambar:#FFA600;
  --apoyo-magenta:#A50F68;
  /* Derivados por transparencia de la Tinta */
  --muted:rgba(23,45,50,.7);
  --rule:rgba(23,45,50,.15);
  --rule-strong:rgba(23,45,50,.42);
  --wash:rgba(23,45,50,.04);
  --on-dark:#F5F1E8;
  --on-dark-muted:rgba(245,241,232,.72);
  --on-dark-rule:rgba(245,241,232,.18);

  --f-display:"Libre Caslon Display", "Baskerville", "Times New Roman", serif;
  --f-read:"Literata", "Georgia", "Times New Roman", serif;
  --f-ui:"Schibsted Grotesk", "Helvetica Neue", Arial, sans-serif;

  --s-xs:.75rem; --s-sm:.875rem; --s-md:1.0625rem; --s-lg:1.375rem;
  --s-xl:clamp(1.9rem,1.2rem + 2.6vw,3rem);
  --s-2xl:clamp(2.6rem,1.4rem + 4.6vw,5.2rem);
  --s-3xl:clamp(3.1rem,1.2rem + 7.4vw,8.4rem);
  --ease:cubic-bezier(.23,1,.32,1);          /* ease-out fuerte para entradas y UI */
  --ease-drawer:cubic-bezier(.32,.72,0,1);   /* apertura del menú de capítulos */
  --wrap:1180px;
}
/* Asignación de color por socio (color de organización de Axioma, no sustituye la identidad propia de cada marca) */
[data-partner="pathbooks"]{--pc:var(--apoyo-magenta);--pc-on:var(--base)}
[data-partner="carvillx"]{--pc:var(--apoyo-petroleo);--pc-on:var(--base)}
[data-partner="gafra"]{--pc:var(--apoyo-ambar);--pc-on:var(--tinta)}
[data-partner="corespi"]{--pc:var(--apoyo-verde);--pc-on:var(--base)}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--base);color:var(--tinta);font-family:var(--f-read);font-size:var(--s-md);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--base)}
a{color:inherit}
:focus-visible{outline:2px solid var(--secundario);outline-offset:3px}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:400;margin:0;text-wrap:balance;letter-spacing:-.005em}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:760px){.wrap{padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}}
.label{font-family:var(--f-ui);font-size:var(--s-xs);font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--secundario)}
.logo{display:block;height:auto}

/* ---------- Cabecera corrida ---------- */
.masthead{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(245,241,232,.93);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.masthead .wrap{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:20px;min-height:68px}
.brand{display:block;line-height:0}
.brand .logo{width:150px;transition:width .5s var(--ease)}
.scrolled .brand .logo{width:122px}
.nav{justify-self:end;display:flex;gap:22px;font-family:var(--f-ui);font-size:var(--s-sm)}
.nav a{text-decoration:none;color:var(--muted);position:relative;padding-block:6px;transition:color .3s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--acento);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.nav a:hover,.nav a.on{color:var(--tinta)}
.nav a:hover::after,.nav a.on::after{transform:scaleX(1)}
/* Botón de capítulos (móvil y tableta) */
.menu-btn{display:none;align-items:center;gap:12px;min-height:44px;padding:0 4px 0 12px;font-family:var(--f-ui);font-size:var(--s-sm);font-weight:500;color:var(--tinta);background:none;border:0;cursor:pointer;touch-action:manipulation}
.menu-btn .count{font-variant-numeric:tabular-nums;color:var(--muted)}
.burger{position:relative;width:22px;height:12px}
.burger i{position:absolute;left:0;right:0;height:1.5px;background:currentColor;transition:transform .3s var(--ease),top .3s var(--ease)}
.burger i:first-child{top:0}.burger i:last-child{top:10px}
.menu-btn[aria-expanded="true"] .burger i:first-child{top:5px;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] .burger i:last-child{top:5px;transform:rotate(-45deg)}
@media (max-width:1060px){.nav{display:none}.menu-btn{display:inline-flex;justify-self:end}}
@media (max-width:560px){.brand .logo{width:128px}.scrolled .brand .logo{width:112px}}

/* Menú de capítulos a pantalla completa */
.menu{position:fixed;inset:0;z-index:40;background:var(--tinta);color:var(--on-dark);overflow-y:auto;overscroll-behavior:contain;
  padding-top:calc(env(safe-area-inset-top,0px) + 76px);padding-bottom:calc(env(safe-area-inset-bottom,0px) + 32px);
  clip-path:inset(0 0 100% 0);transition:clip-path .55s var(--ease-drawer)}
.menu.open{clip-path:inset(0 0 0 0)}
.menu .wrap{display:grid;gap:28px}
.menu .logo{width:150px}
.menu ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--on-dark-rule)}
.menu li{border-bottom:1px solid var(--on-dark-rule);transform:translateY(16px);opacity:0;transition:transform .5s var(--ease),opacity .5s var(--ease)}
.menu.open li{transform:none;opacity:1}
.menu a{display:grid;grid-template-columns:2.6rem 1fr auto;align-items:baseline;gap:12px;padding-block:16px;text-decoration:none;color:var(--on-dark)}
.menu a .n{font-family:var(--f-display);font-size:1.25rem;color:var(--on-dark-muted)}
.menu a .t{font-family:var(--f-display);font-size:clamp(1.6rem,1.2rem + 2vw,2.2rem);line-height:1.1}
.menu a[aria-current="true"] .n{color:var(--on-dark)}
.menu a[aria-current="true"] .t{font-style:italic}
.menu .dots i{width:9px;height:9px}
.menu .close-row{display:flex;justify-content:space-between;align-items:center;font-family:var(--f-ui);font-size:var(--s-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-muted)}
.menu :focus-visible{outline-color:var(--base)}
html.menu-open{overflow:hidden}
.menu-open .masthead{background:var(--tinta);border-color:var(--on-dark-rule);z-index:50}
.menu-open .masthead .brand .logo{visibility:hidden}
.menu-open .menu-btn{color:var(--on-dark)}
.menu-open .menu-btn .count{color:var(--on-dark-muted)}
.menu-open .progress{opacity:0}

/* Accesibilidad y tacto */
.skip{position:absolute;left:max(16px,env(safe-area-inset-left,0px));top:calc(env(safe-area-inset-top,0px) + 8px);z-index:60;padding:.7em 1em;background:var(--tinta);color:var(--base);font-family:var(--f-ui);font-size:var(--s-sm);text-decoration:none;transform:translateY(-200%);transition:transform .2s var(--ease)}
.skip:focus{transform:none}
a,button{-webkit-tap-highlight-color:rgba(164,71,45,.18);touch-action:manipulation}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.prose p,.desc,.lede{text-wrap:pretty}
.progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;background:var(--acento);transform:scaleX(0);transform-origin:left}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.7em;min-height:44px;font-family:var(--f-ui);font-size:var(--s-sm);font-weight:500;letter-spacing:.02em;text-decoration:none;padding:.85em 1.3em;border:1px solid var(--tinta);color:var(--base);background:var(--tinta);border-radius:1px;transition:transform .16s var(--ease),background-color .25s ease,color .25s ease,border-color .25s ease}
.btn:active{transform:scale(.97)}
.btn .arr{display:inline-block;transition:transform .3s var(--ease)}
.btn[target="_blank"] .arr{transform:rotate(-45deg)}
.btn.ghost{background:transparent;color:var(--tinta)}
.btn.partner{background:var(--pc);border-color:var(--pc);color:var(--pc-on)}
@media (hover:hover) and (pointer:fine){
  .btn:hover{background:var(--secundario);border-color:var(--secundario)}
  .btn:hover .arr{transform:translateX(4px)}
  .btn[target="_blank"]:hover .arr{transform:rotate(-45deg) translateX(4px)}
  .btn.ghost:hover{background:var(--tinta);color:var(--base);border-color:var(--tinta)}
  .btn.partner:hover{background:var(--tinta);border-color:var(--tinta);color:var(--base)}
}
.link{font-family:var(--f-ui);font-size:var(--s-sm);font-weight:500;text-decoration:none;color:var(--secundario);border-bottom:1px solid var(--rule-strong);padding-bottom:2px;transition:border-color .3s,color .3s}
.link:hover{border-color:currentColor;color:var(--tinta)}
.actions{display:flex;flex-wrap:wrap;gap:12px 14px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:.55em;font-family:var(--f-ui);font-size:var(--s-xs);font-weight:500;letter-spacing:.06em;color:var(--muted)}
.chip i{width:.8em;height:.8em;border-radius:50%;background:var(--pc);display:inline-block}

/* ---------- Portada ---------- */
.cover{padding-block:clamp(48px,8vw,104px) clamp(40px,6vw,80px);border-bottom:1px solid var(--rule)}
.cover-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(32px,6vw,88px);align-items:end}
@media (max-width:860px){.cover-grid{grid-template-columns:1fr}}
.cover .label{display:flex;gap:14px;align-items:center;margin-bottom:clamp(24px,4vw,44px)}
.cover .label::before{content:"";width:40px;height:1px;background:var(--acento)}
.cover h1{font-size:var(--s-3xl);line-height:.98;letter-spacing:-.02em}
.cover h1 .line{display:block;overflow:hidden;padding-bottom:.08em}
.cover h1 .line span{display:inline-block}
.cover h1 em{font-style:italic;color:var(--acento)}
.cover .lede{margin-top:clamp(24px,3vw,36px);font-size:var(--s-lg);line-height:1.45;max-width:30ch;font-weight:300}
.cover .actions{margin-top:32px}
.epigraph{display:grid;gap:26px}
.reading-lines{display:grid;gap:11px;padding-block:6px 4px}
.reading-lines i{display:block;height:2px;background:var(--rule-strong);border-radius:1px;transform-origin:left}
.reading-lines i:nth-child(3n){background:var(--secundario)}
.reading-lines i:nth-child(8){background:var(--acento)}
.epigraph p{font-style:italic;font-size:var(--s-md);color:var(--muted);max-width:34ch;border-top:1px solid var(--rule);padding-top:18px}
.epigraph .who{font-family:var(--f-ui);font-size:var(--s-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.epigraph .who b{color:var(--tinta);font-weight:500}

/* ---------- Índice ---------- */
.index{padding-block:clamp(56px,8vw,104px)}
.index-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--rule-strong);padding-bottom:16px}
.index-head h2{font-size:var(--s-xl)}
.toc{list-style:none;margin:0;padding:0}
.toc a{display:grid;grid-template-columns:3.2rem minmax(0,auto) 1fr auto;gap:18px;align-items:baseline;padding-block:20px;border-bottom:1px solid var(--rule);text-decoration:none}
.toc .n{font-family:var(--f-display);font-size:1.5rem;color:var(--acento);font-variant-numeric:lining-nums}
.toc .t{font-family:var(--f-display);font-size:clamp(1.3rem,1rem + 1vw,1.75rem);line-height:1.15}
.toc .t small{display:flex;align-items:center;gap:10px;font-family:var(--f-ui);font-size:var(--s-xs);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.dots{display:inline-flex;gap:4px}
.dots i{width:8px;height:8px;border-radius:50%;background:var(--pc)}
.toc .lead{align-self:end;height:1px;margin-bottom:.55em;background-image:radial-gradient(circle,var(--rule-strong) 1px,transparent 1.2px);background-size:7px 3px;background-repeat:repeat-x;position:relative;overflow:hidden}
.toc .lead::after{content:"";position:absolute;inset:0;background:var(--acento);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.toc .q{font-style:italic;color:var(--muted);font-size:var(--s-sm);text-align:right;max-width:30ch}
.toc a:hover .lead::after{transform:scaleX(1)}
.toc a:hover .q{color:var(--tinta)}
@media (max-width:720px){.toc a{grid-template-columns:2.6rem 1fr}.toc .lead{display:none}.toc .q{grid-column:2;text-align:left}}

/* ---------- Capítulos ---------- */
.chapter{padding-block:clamp(64px,9vw,128px);border-top:1px solid var(--rule);scroll-margin-top:68px}
.chapter-run{display:flex;justify-content:space-between;gap:16px;margin-bottom:clamp(36px,5vw,64px)}
.chapter-run .label:last-child{color:var(--muted)}
.opener{display:grid;grid-template-columns:minmax(0,.5fr) minmax(0,1.5fr);gap:clamp(20px,5vw,72px);align-items:start}
@media (max-width:760px){.opener{grid-template-columns:1fr}}
.numeral{font-family:var(--f-display);font-size:clamp(4.5rem,3rem + 7vw,10rem);line-height:.8;color:var(--acento);font-variant-numeric:lining-nums;letter-spacing:-.03em}
.opener h2{font-size:var(--s-2xl);line-height:1.02}
.opener .desc{margin-top:22px;font-size:var(--s-lg);font-weight:300;line-height:1.45;max-width:34ch}
.opener .actions{margin-top:30px}
.sheet{position:relative;margin-top:clamp(48px,7vw,96px);padding-top:clamp(32px,4vw,48px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,96px)}
.sheet::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--rule-strong);transform-origin:left}
@media (max-width:860px){.sheet{grid-template-columns:1fr}}
.sheet h3{font-size:var(--s-xl);line-height:1.08;margin-bottom:22px}
.prose{display:grid;gap:1em;max-width:58ch}
.prose p:first-child::first-letter{font-family:var(--f-display);float:left;font-size:3.6em;line-height:.82;padding:.06em .1em 0 0;color:var(--acento)}
.items-head{margin-bottom:6px}
.items{list-style:none;margin:0;padding:0}
.items li{display:grid;grid-template-columns:minmax(0,11rem) minmax(0,1fr);gap:18px;padding-block:18px;border-bottom:1px solid var(--rule)}
.items li:first-child{border-top:1px solid var(--rule)}
.items .k{font-family:var(--f-display);font-size:1.25rem;line-height:1.2}
.items .v{color:var(--muted);font-size:var(--s-sm);line-height:1.55;padding-top:.15em}
@media (max-width:520px){.items li{grid-template-columns:1fr;gap:4px}}
.sheet-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center;padding-top:28px;border-top:1px solid var(--rule)}
.audience{font-style:italic;color:var(--muted);font-size:var(--s-sm)}
.audience b{font-style:normal;font-family:var(--f-ui);font-size:var(--s-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--tinta);margin-right:.6em;font-weight:500}
.with-chip{display:flex;flex-direction:column;gap:8px;align-items:flex-start}

/* Solución destacada: el socio en su color */
.feature{grid-column:1/-1;position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 40px;align-items:end;padding:clamp(28px,4vw,52px);background:var(--pc);color:var(--pc-on)}
.feature .label{color:var(--pc-on);opacity:.8;margin-bottom:14px}
.feature h4{font-size:clamp(2rem,1.4rem + 2.2vw,3.4rem);line-height:1}
.feature p{margin-top:14px;max-width:46ch;font-size:var(--s-md);opacity:.92}
.feature .btn{background:var(--pc-on);border-color:var(--pc-on);color:var(--pc)}
.feature .btn:hover{background:transparent;color:var(--pc-on)}
.feature :focus-visible{outline-color:var(--pc-on)}
.feature .big{position:absolute;right:-.06em;bottom:-.28em;font-family:var(--f-display);font-size:clamp(9rem,6rem + 12vw,18rem);line-height:1;opacity:.1;pointer-events:none;user-select:none}
@media (max-width:720px){.feature{grid-template-columns:1fr;align-items:start}}

/* Pathbooks: recorrido de decisiones */
.paths{position:relative;height:120px;margin-bottom:28px}
.paths svg{width:100%;height:100%;overflow:visible}
.paths path{fill:none;stroke:var(--rule-strong);stroke-width:1.2;vector-effect:non-scaling-stroke}
.paths path.lit{stroke:var(--pc);stroke-width:2}
.paths circle{fill:var(--base);stroke:var(--pc);stroke-width:1.6;vector-effect:non-scaling-stroke}
.paths circle.on{fill:var(--pc)}

/* ---------- Láminas (ilustraciones editoriales) ---------- */
.plate{margin:clamp(40px,6vw,72px) 0 0;display:grid;gap:14px}
.plate-art{overflow:hidden;line-height:0;border-radius:2px}
.plate-art > img{display:block;width:100%;height:auto;transform-origin:50% 60%}
.plate figcaption{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--rule);font-style:italic;font-size:var(--s-sm);color:var(--muted)}
.plate figcaption .label{font-style:normal}
.plate figcaption .chip{font-style:normal}
.hero-art{margin:0;line-height:0;overflow:hidden;border-radius:2px}
.hero-art > img{display:block;width:100%;height:auto}

/* ---------- Ecosistema ---------- */
.spectrum{display:grid;grid-template-columns:repeat(4,1fr);height:6px;margin-top:30px;max-width:320px}
.spectrum i{background:var(--pc);transform-origin:left}
.eco-grid{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(12px,1.6vw,20px)}
@media (max-width:760px){.eco-grid{grid-template-columns:1fr}}
.eco{position:relative;overflow:hidden;display:grid;grid-template-rows:auto 1fr auto;gap:18px;min-height:clamp(260px,26vw,340px);padding:clamp(26px,3.4vw,44px);background:var(--pc);color:var(--pc-on);transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
@media (hover:hover) and (pointer:fine){
  .eco:hover{transform:translateY(-4px);box-shadow:0 22px 40px -24px rgba(23,45,50,.55)}
  .eco:hover h4{transform:translateX(6px)}
}
.eco .top{display:flex;justify-content:space-between;gap:12px}
.eco .label{color:var(--pc-on);opacity:.82}
.eco h4{font-size:clamp(2.2rem,1.5rem + 2.4vw,3.6rem);line-height:.98;transition:transform .7s var(--ease)}
.eco p{margin-top:12px;max-width:34ch;opacity:.92}
.eco .actions{gap:10px 24px}
.eco .link{color:var(--pc-on);border-color:currentColor;border-bottom-color:rgba(127,127,127,.6)}
.eco .link:hover{color:var(--pc-on);border-color:var(--pc-on)}
.eco :focus-visible{outline-color:var(--pc-on)}
.eco-note{margin-top:22px;font-family:var(--f-ui);font-size:var(--s-xs);color:var(--muted);letter-spacing:.02em}

/* ---------- Contacto ---------- */
.contact{background:var(--tinta);color:var(--on-dark);padding-block:clamp(72px,10vw,140px);scroll-margin-top:68px}
.contact .grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:end}
@media (max-width:860px){.contact .grid{grid-template-columns:1fr}}
.contact .label{color:var(--on-dark-muted)}
.contact h2{font-size:var(--s-2xl);line-height:1.02;max-width:16ch;margin-top:24px}
.contact p{margin-top:24px;font-size:var(--s-lg);font-weight:300;max-width:36ch;color:var(--on-dark-muted)}
.contact .actions{margin-top:36px}
.contact .btn{background:var(--base);color:var(--tinta);border-color:var(--base)}
.contact .btn:hover{background:var(--acento);border-color:var(--acento);color:var(--base)}
.contact :focus-visible{outline-color:var(--base)}
.seal{border-top:1px solid var(--on-dark-rule);padding-top:28px;display:grid;gap:22px}
.seal-list{list-style:none;margin:0;padding:0}
.seal-list li{display:flex;align-items:center;gap:14px;padding-block:12px;border-bottom:1px solid var(--on-dark-rule);font-family:var(--f-display);font-size:clamp(1.3rem,1rem + 1vw,1.7rem)}
.seal-list i{width:12px;height:12px;border-radius:50%;background:var(--pc);flex:none}
/* Pie: logotipo compacto, en escala con la navegación */
.foot{background:var(--tinta);color:var(--on-dark-muted);border-top:1px solid var(--on-dark-rule);overflow:hidden}
.foot .wrap{display:grid;gap:clamp(32px,5vw,56px);padding-block:clamp(32px,5vw,56px) clamp(24px,3vw,36px)}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 32px;font-family:var(--f-ui);font-size:var(--s-sm)}
.foot nav{display:flex;gap:24px;flex-wrap:wrap}
.foot a{color:var(--on-dark);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease}
.foot a:hover{border-color:var(--on-dark-muted)}
.foot .soon{opacity:.65}
.foot-mark{width:clamp(112px,12vw,150px);max-width:100%;height:auto;display:block;opacity:.96}
.foot .partners{display:flex;flex-wrap:wrap;gap:8px 20px;font-family:var(--f-ui);font-size:var(--s-xs);letter-spacing:.06em;color:var(--on-dark-muted)}
.foot .partners span{display:inline-flex;align-items:center;gap:8px}
.foot .partners i{width:8px;height:8px;border-radius:50%;background:var(--pc)}

/* ---------- Nota interna de revisión ---------- */

/* ---------- Movimiento ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .cover h1 .line span{animation:rise 1.1s var(--ease) both}
  .js .cover h1 .line:nth-child(2) span{animation-delay:.12s}
  .js .cover h1 .line:nth-child(3) span{animation-delay:.24s}
  .js .cover .lede,.js .cover .actions,.js .cover .label{animation:fade .9s var(--ease) .45s both}
  .js .brand .logo{animation:fade 1s var(--ease) both}
  .js .reading-lines i{animation:write 1.2s var(--ease) both}
  .js .reading-lines i:nth-child(1){animation-delay:.3s}.js .reading-lines i:nth-child(2){animation-delay:.38s}
  .js .reading-lines i:nth-child(3){animation-delay:.46s}.js .reading-lines i:nth-child(4){animation-delay:.54s}
  .js .reading-lines i:nth-child(5){animation-delay:.62s}.js .reading-lines i:nth-child(6){animation-delay:.70s}
  .js .reading-lines i:nth-child(7){animation-delay:.78s}.js .reading-lines i:nth-child(8){animation-delay:.86s}
  .js .reading-lines i:nth-child(9){animation-delay:.94s}.js .reading-lines i:nth-child(10){animation-delay:1.02s}
  .js .reading-lines i:nth-child(11){animation-delay:1.1s}
  .reveal{transition:transform 1s var(--ease),opacity 1s var(--ease)}
  .reveal.pre{transform:translateY(28px);opacity:.3}
  .eco.reveal{transition:transform 1s var(--ease),opacity 1s var(--ease),box-shadow .6s var(--ease)}
  .rule-draw::before{transition:transform 1.3s var(--ease)}
  .rule-draw.pre::before{transform:scaleX(0)}
  .spectrum i{transition:transform .9s var(--ease)}
  .spectrum.pre i{transform:scaleX(0)}
  .spectrum i:nth-child(2){transition-delay:.12s}.spectrum i:nth-child(3){transition-delay:.24s}.spectrum i:nth-child(4){transition-delay:.36s}
  .plate-art > img{transition:transform 1.4s var(--ease)}
  .plate.pre .plate-art > img{transform:scale(1.05)}
  .js .hero-art > img{animation:settle 1.4s var(--ease) .15s both}
  .paths path{stroke-dasharray:var(--len);stroke-dashoffset:0;transition:stroke-dashoffset 1.8s var(--ease)}
  .paths.pre path{stroke-dashoffset:var(--len)}
  .paths circle{transition:transform .6s var(--ease) 1.2s;transform-box:fill-box;transform-origin:center}
  .paths.pre circle{transform:scale(0)}
}
@media (prefers-reduced-motion:reduce){
  .menu,.menu li,.burger i,.btn,.btn .arr,.eco,.eco h4,.brand .logo{transition:none}
}
@keyframes settle{from{transform:scale(1.06);opacity:.4}to{transform:none;opacity:1}}
@keyframes rise{from{transform:translateY(105%)}to{transform:translateY(0)}}
@keyframes fade{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes write{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* ---------- Escenario de fondo: una foto por sección, fundido suave ---------- */
.stage{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:var(--base)}
.stage img{position:absolute;inset:-4%;width:108%;height:108%;object-fit:cover;opacity:0;
  transform:scale(1.06);filter:blur(10px) saturate(.85);
  transition:opacity 1.8s cubic-bezier(.4,0,.2,1),transform 3.2s var(--ease),filter 1.8s ease}
.stage img.on{opacity:1;transform:scale(1);filter:blur(0) saturate(.85)}
.stage .veil{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(245,241,232,.80) 0%,rgba(245,241,232,.74) 50%,rgba(245,241,232,.84) 100%)}
@media (max-width:760px){.stage .veil{background:rgba(245,241,232,.82)}}
main,.foot{position:relative;z-index:1}
.skip{z-index:31}
body{background:var(--base)}
/* Texto que entra desde la izquierda o la derecha */
@media (prefers-reduced-motion:no-preference){
  .reveal.l.pre{transform:translateX(-56px);opacity:0}
  .reveal.r.pre{transform:translateX(56px);opacity:0}
  .reveal.l,.reveal.r{transition:transform 1.1s var(--ease),opacity 1.1s var(--ease)}
}
@media (prefers-reduced-motion:reduce){.stage img{transition:opacity .4s linear;transform:none;filter:none}}

.mt-30{margin-top:30px}
.is-ghost{visibility:hidden}