/* Kameleon AI · páginas de contenido (/ultima-milla/, /grandes-empresas/)
 * Mismos tokens y componentes que la portada (index.html lleva su CSS en línea).
 * Si cambias un componente compartido, cámbialo también en index.html.
 */
:root{
  color-scheme:light;
  --violet:#8E3CE8;--fuchsia:#E04BD8;--plum:#4A2168;
  --accent:#8E3CE8;--lav:#F8EEFF;--ink:#16121d;--muted:#5b5467;--line:#ebe4f3;--line-2:#dccdf0;
  --soft:#f6f1fc;--soft-2:#efe6fa;--bg:#fff;--surface:#fff;--glass:rgba(255,255,255,.82);--glass-2:rgba(255,255,255,.7);
  --inv:#16121d;--inv-fg:#fff;--chip-fg:#4A2168;--stage:linear-gradient(180deg,#faf6ff,#f3ebfd);--glow:.38;--ok:#15803d;
  --tag-i:#E9A6F0;--cta:#16121d;--cta-ring:transparent;
  --grad:linear-gradient(90deg,#8E3CE8 0%,#A240E3 35%,#BE45E0 65%,#E04BD8 100%);
  --font:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:"Segoe UI Variable Display","Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",Arial,sans-serif;
  --r:24px;--wrap:1200px;--gut:16px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --accent:#bf95f9;--lav:#2a1d3d;--ink:#f2edf8;--muted:#b1a7c0;--line:#2b2338;--line-2:#44385a;
    --soft:#1d1727;--soft-2:#271f33;--bg:#0d0a12;--surface:#15111c;--glass:rgba(13,10,18,.8);--glass-2:rgba(21,17,28,.72);
    --inv:#f2edf8;--inv-fg:#16121d;--chip-fg:#dcc6fb;--stage:linear-gradient(180deg,#140f1b,#1b1326);--glow:.5;--ok:#4ade80;
    --tag-i:#8E3CE8;--cta:#1a1224;--cta-ring:#2b2338;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --accent:#bf95f9;--lav:#2a1d3d;--ink:#f2edf8;--muted:#b1a7c0;--line:#2b2338;--line-2:#44385a;
  --soft:#1d1727;--soft-2:#271f33;--bg:#0d0a12;--surface:#15111c;--glass:rgba(13,10,18,.8);--glass-2:rgba(21,17,28,.72);
  --inv:#f2edf8;--inv-fg:#16121d;--chip-fg:#dcc6fb;--stage:linear-gradient(180deg,#140f1b,#1b1326);--glow:.5;--ok:#4ade80;
  --tag-i:#8E3CE8;--cta:#1a1224;--cta-ring:#2b2338;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.6 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.03em;line-height:1.08;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--inv);color:var(--inv-fg);padding:10px 16px;border-radius:999px}
.skip:focus{top:12px}
.wrap{width:100%;max-width:calc(var(--wrap) + var(--gut)*2);margin-inline:auto;padding-inline:var(--gut)}
@media (min-width:768px){:root{--gut:32px}}
.i{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}
.grad{background:var(--grad);background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:hue 8s linear infinite}
@keyframes hue{to{background-position:200% center}}

/* Header (igual que la portada) */
.hdr{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.hdr.is-stuck{background:var(--glass);-webkit-backdrop-filter:saturate(1.6) blur(14px);backdrop-filter:saturate(1.6) blur(14px);box-shadow:0 1px 0 var(--line)}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:8px}
.brand svg{height:22px;width:auto;color:var(--violet)}
@media (min-width:400px){.brand svg{height:26px}}
.nav{position:absolute;top:68px;left:0;right:0;height:calc(100vh - 68px);height:calc(100dvh - 68px);display:flex;flex-direction:column;padding:8px var(--gut) max(24px,env(safe-area-inset-bottom));background:var(--bg);overflow-y:auto;overscroll-behavior:contain;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s,transform .3s var(--ease),visibility 0s .25s}
.nav-links a{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 4px;border-bottom:1px solid var(--line);font:600 1.35rem/1.2 var(--display);letter-spacing:-.02em;color:var(--ink)}
.nav-links a:active{color:var(--accent)}
.nav-links a[aria-current="page"]{color:var(--accent)}
.nav-links .chev{width:22px;height:22px;color:var(--muted);transition:transform .2s var(--ease),color .2s}
.nav-links a:hover .chev{transform:translateX(3px);color:var(--accent)}
.nav-actions{display:grid;gap:12px;margin-top:auto;padding-top:28px}
.nav-row{display:grid;grid-template-columns:auto 1fr;gap:12px}
.nav-row .theme-btn{width:56px;height:56px}
.nav-wa{display:flex;align-items:center;justify-content:center;gap:10px;min-height:56px;border-radius:999px;background:#25D366;color:#062a13;font-weight:600;font-size:1.02rem}
.nav-wa .wa-i{width:24px;height:24px}
.nav-cta{display:flex;align-items:center;justify-content:center;min-height:56px;border-radius:999px;background:var(--inv);color:var(--inv-fg);font-weight:600;font-size:1.05rem}
.nav-login{display:flex;align-items:center;justify-content:center;min-height:48px;font-weight:600;color:var(--accent)}
.hdr.is-open{background:var(--bg);box-shadow:0 1px 0 var(--line);-webkit-backdrop-filter:none;backdrop-filter:none}
.hdr.is-open .nav{opacity:1;visibility:visible;transform:none;transition-delay:0s}
body.menu-open{overflow:hidden}
.hdr .btn-sm,.hdr-actions .theme-btn{display:none}
.menu-btn{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--ink);background:var(--glass-2);box-shadow:inset 0 0 0 1px var(--line)}
.menu-btn .i{width:22px;height:22px}
.menu-btn .ico-close,.menu-btn[aria-expanded="true"] .ico-menu{display:none}
.menu-btn[aria-expanded="true"] .ico-close{display:block}
@media (min-width:1100px){
  .nav{position:static;height:auto;flex-direction:row;align-items:center;padding:0;background:none;overflow:visible;opacity:1;visibility:visible;transform:none;transition:none}
  .nav-links{display:flex;gap:4px}
  .nav-links a{padding:8px 14px;border:0;border-radius:999px;white-space:nowrap;font:400 .95rem/1.6 var(--font);letter-spacing:0;color:var(--muted);transition:color .2s,background .2s}
  .nav-links a:hover{color:var(--ink);background:var(--soft)}
  .nav-links a[aria-current="page"]{color:var(--ink);background:var(--soft)}
  .nav-links .chev,.nav-links .nav-extra,.nav-actions,.menu-btn{display:none}
  .hdr .btn-sm,.hdr .hdr-login{display:inline-flex}
  .hdr-actions .theme-btn{display:inline-grid}
  .hdr.is-open{background:transparent;box-shadow:none}
  body.menu-open{overflow:auto}
}
.hdr-actions{display:flex;align-items:center;gap:8px}
.icon-btn{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--ink);background:var(--glass-2);box-shadow:inset 0 0 0 1px var(--line);transition:background .2s}
.icon-btn:hover{background:var(--soft)}
.icon-btn .i{width:20px;height:20px}
.theme-btn .sun{display:none}
:root[data-theme="dark"] .theme-btn .sun{display:block}
:root[data-theme="dark"] .theme-btn .moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-btn .sun{display:block}
  :root:not([data-theme="light"]) .theme-btn .moon{display:none}
}
.hdr-wa{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;background:#25D366;color:#fff;transition:transform .25s var(--ease)}
.hdr-wa:hover{transform:scale(1.06)}
.hdr-wa .wa-i{width:22px;height:22px}
.hdr-login{display:none;align-items:center;min-height:40px;padding:0 12px;border-radius:999px;font-weight:600;font-size:.95rem;transition:background .2s}
.hdr-login:hover{background:var(--soft)}

/* WhatsApp y botones */
.wa-i{fill:currentColor;flex:none;width:20px;height:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:999px;font-weight:600;font-size:.98rem;white-space:nowrap;transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s}
.btn .i{width:18px;height:18px;transition:transform .25s var(--ease)}
.btn:hover .i{transform:translateX(3px)}
.btn-wa{background:#25D366;color:#062a13}
.btn-wa:hover{background:#1ebe5b;box-shadow:0 12px 30px -10px rgba(37,211,102,.6)}
.btn-dark{background:var(--inv);color:var(--inv-fg);position:relative;isolation:isolate;overflow:hidden}
.btn-dark::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--grad);opacity:0;transition:opacity .3s}
.btn-dark:hover::before{opacity:1}
.btn-dark:hover{color:#fff;box-shadow:0 12px 30px -10px rgba(142,60,232,.6)}
.btn-soft{background:var(--soft);color:var(--ink)}
.btn-soft:hover{background:var(--soft-2)}
.btn-ghost{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-sm{min-height:40px;padding:0 18px;font-size:.92rem}
.cta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:40px}
.wa-fab{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:45;display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;box-shadow:0 14px 30px -10px rgba(37,211,102,.7),0 0 0 1px rgba(0,0,0,.06);transition:transform .25s var(--ease)}
.wa-fab:hover{transform:scale(1.06)}
.wa-fab .wa-i{width:30px;height:30px}

/* Cabecera de página */
.page-hero{position:relative;padding:clamp(124px,16vw,180px) 0 clamp(56px,8vw,96px);text-align:center;overflow:hidden;isolation:isolate}
.page-hero::before{content:"";position:absolute;left:50%;top:-30%;width:min(1100px,140vw);height:620px;translate:-50% 0;z-index:-1;background:radial-gradient(closest-side,rgba(190,69,224,.22),rgba(142,60,232,.1) 55%,transparent);pointer-events:none}
.crumbs{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin-bottom:24px;font-size:.88rem;color:var(--muted)}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.crumbs a:hover{color:var(--accent)}
.crumbs li + li::before{content:"/";margin-right:6px;color:var(--line-2)}
.page-hero h1{max-width:20ch;margin:0 auto;font-size:clamp(2.3rem,1.3rem + 4.4vw,4.6rem);letter-spacing:-.045em;line-height:1.02}
.page-hero .lead{max-width:44rem;margin:24px auto 0;font-size:clamp(1.05rem,1rem + .35vw,1.25rem);color:var(--muted)}
.hero-note{margin-top:20px;font-size:.92rem;color:var(--muted)}
.hero-note b{color:var(--ink);font-weight:600}

/* Secciones */
.sec{padding:clamp(72px,10vw,128px) 0;content-visibility:auto;contain-intrinsic-size:auto 800px}
.sec.tight{padding-top:0}
.sec-head{text-align:center;max-width:46rem;margin:0 auto clamp(40px,6vw,64px)}
.kicker{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.sec-head h2{font-size:clamp(2rem,1.2rem + 3.4vw,3.4rem)}
.sec-head p{margin-top:20px;color:var(--muted);font-size:1.1rem}

/* Texto largo */
.prose{max-width:46rem;margin:0 auto}
.prose h2{font-size:clamp(1.8rem,1.2rem + 2.6vw,2.8rem);margin-bottom:24px}
.prose p{color:var(--muted);font-size:1.08rem}
.prose p + p{margin-top:18px}
.prose strong{color:var(--ink);font-weight:600}
.pains{display:grid;gap:10px;margin-top:28px;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.pains li{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:18px;background:var(--soft)}
.pains .i{width:22px;height:22px;color:var(--accent);margin-top:1px}

/* Resultados */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
@media (min-width:640px){.stats{gap:24px}}
.stat strong{display:block;font:600 clamp(2.3rem,1rem + 6.5vw,5.6rem)/1 var(--display);letter-spacing:-.05em;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:10px;font-size:clamp(.85rem,.78rem + .45vw,1.1rem);line-height:1.3;color:var(--muted)}
.note{max-width:40rem;margin:32px auto 0;text-align:center;font-size:.88rem;color:var(--muted)}

/* Fuentes de datos */
.sources{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:56rem;margin:0 auto 48px}
.sources li{padding:10px 18px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line);font-weight:500;font-size:.95rem}
.sources li:nth-child(3n+1){background:var(--soft)}

/* Pasos */
.steps{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));counter-reset:s}
.step{padding:32px 28px;border-radius:var(--r);background:var(--soft)}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font:600 3.2rem/1 var(--display);letter-spacing:-.04em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:24px}
.step h3{font-size:1.35rem}
.step p{margin-top:10px;color:var(--muted)}

/* Tarjetas */
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr))}
.card{position:relative;padding:32px 28px;border-radius:var(--r);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line);transition:transform .35s var(--ease),box-shadow .35s}
.card:hover{transform:translateY(-4px);box-shadow:inset 0 0 0 1px var(--line-2),0 24px 50px -30px rgba(74,33,104,.4)}
.ico{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--lav);color:var(--accent);margin-bottom:24px;transition:background .35s,color .35s}
.card:hover .ico{background:var(--grad);color:#fff}
.card h3{font-size:1.3rem;letter-spacing:-.02em}
.card p{margin-top:10px;color:var(--muted)}

/* Banda */
.band{position:relative;overflow:hidden;isolation:isolate;border-radius:36px;padding:clamp(48px,8vw,104px) clamp(24px,6vw,88px);color:#fff;background:linear-gradient(120deg,#6B308D 0%,#8E3CE8 45%,#BE45E0 80%,#E04BD8 100%)}
.band h2{font-size:clamp(2.1rem,1.2rem + 4vw,4rem);letter-spacing:-.04em;max-width:14ch}
.band > p{margin-top:20px;max-width:36rem;font-size:1.15rem;color:rgba(255,255,255,.88)}
.ticks{display:grid;gap:14px;margin-top:40px;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.ticks li{display:flex;gap:12px;align-items:flex-start;padding:18px;border-radius:18px;background:rgba(255,255,255,.12)}
.ticks .i{margin-top:1px}

/* Etiquetas */
.tags{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:56rem;margin:0 auto}
.tag{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;box-shadow:inset 0 0 0 1px var(--line);font-weight:500}
.tag .i{width:20px;height:20px;color:var(--accent)}
.more{display:flex;flex-direction:column;align-items:center;gap:16px;margin-top:32px;text-align:center;color:var(--muted)}
.link{color:var(--accent);font-weight:600;text-decoration:underline;text-underline-offset:3px}

/* Preguntas frecuentes */
.faq{max-width:52rem;margin:0 auto}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 4px;cursor:pointer;list-style:none;font:600 clamp(1.05rem,1rem + .4vw,1.3rem)/1.35 var(--display);letter-spacing:-.015em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:32px;height:32px;border-radius:50%;background:var(--soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238E3CE8' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center/16px no-repeat;transition:transform .3s var(--ease),background-color .3s}
.faq details[open] summary::after{transform:rotate(45deg);background-color:var(--lav)}
.faq details p{padding:0 56px 24px 4px;color:var(--muted)}

/* Cierre */
.cta{text-align:center;padding:clamp(56px,9vw,112px) 24px;border-radius:36px;background:var(--cta);box-shadow:inset 0 0 0 1px var(--cta-ring);color:#fff;position:relative;overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;left:50%;top:100%;width:900px;height:600px;translate:-50% -45%;z-index:-1;background:radial-gradient(closest-side,rgba(224,75,216,.55),rgba(142,60,232,.35) 50%,transparent)}
.cta h2{font-size:clamp(2rem,1.2rem + 3.6vw,3.8rem);letter-spacing:-.04em;max-width:18ch;margin:0 auto}
.cta p{margin:20px auto 0;max-width:36rem;color:rgba(255,255,255,.78);font-size:1.1rem}
.cta .cta-row{margin-top:36px}

/* Pie */
.ftr{content-visibility:auto;contain-intrinsic-size:auto 520px;padding:72px 0 40px;color:var(--muted);font-size:.95rem}
.ftr-grid{display:grid;gap:40px;grid-template-columns:1fr}
@media (min-width:768px){.ftr-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}}
.ftr .brand svg{height:28px}
.ftr-grid > div > p{margin-top:16px;max-width:22rem}
.ftr h2{font:600 .8rem/1 var(--font);letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-bottom:18px}
.ftr li + li{margin-top:10px}
.ftr a{display:inline-flex;align-items:center;min-height:24px;transition:color .2s}
.ftr a:hover{color:var(--accent)}
.ftr address{font-style:normal}
.social{display:flex;gap:8px;margin-top:20px}
.ftr .social li{margin:0}
.ftr .social a{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;color:var(--chip-fg);box-shadow:inset 0 0 0 1px var(--line);transition:background .25s,color .25s,box-shadow .25s}
.ftr .social a:hover{background:var(--inv);color:var(--inv-fg);box-shadow:none}
.social .i{width:20px;height:20px}
.legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-size:.88rem}

/* Animaciones en pausa hasta la primera interacción */
.idle .grad{animation-play-state:paused}
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js .rv{opacity:1;transform:none}
}