/* Guías (calculadora, rutinas cortas, calorías con foto) con el estilo de la portada
   nueva: oscuro, Archivo Black, cian. Mismos tokens, menú, preguntas y pie que
   index.html. Las páginas legales siguen con estilo.css. (2026-10-22) */
@font-face{font-family:"Archivo";src:url(/fonts/archivo.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Archivo Black";src:url(/fonts/archivo-black.woff2) format("woff2");font-display:swap}
:root{--fondo:#0A0C0F;--fondo2:#0D1218;--sup:#131920;--sup2:#1A212A;--linea:#232A33;--linea2:#3A4552;
  --texto:#E9EDF2;--suave:#AAB4C1;--tenue:#7C8796;--cian:#00C8FF;--azul:#097BB8;--racha:#F97316;
  --tinta:#06222F;--ancho:1160px;--borde:22px;color-scheme:dark}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--fondo);scroll-behavior:smooth;scroll-padding-top:90px}
body{background:var(--fondo);color:var(--texto);font-family:"Archivo",system-ui,sans-serif;font-size:15.3px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--cian);outline-offset:3px;border-radius:6px}
.display{font-family:"Archivo Black","Archivo",sans-serif;font-weight:400;letter-spacing:-.015em}
.ceja{display:block;font-size:12px;font-weight:700;letter-spacing:.26em;text-transform:uppercase;color:var(--cian)}
.envoltura{width:100%;max-width:var(--ancho);margin:0 auto;padding:0 40px}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:11px;font-weight:700;font-size:14.4px;line-height:1.2;
  border-radius:999px;padding:16px 26px;text-decoration:none;white-space:nowrap;transition:transform .2s ease,box-shadow .2s ease}
.btn-cian{background:var(--cian);color:var(--tinta);box-shadow:0 10px 34px rgba(0,200,255,.32)}
.btn-cian:hover{transform:translateY(-2px);box-shadow:0 14px 44px rgba(0,200,255,.45)}

/* ---------- barra de navegación (siempre sólida: en las guías no hay hero detrás) ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;height:72px;background:rgba(10,12,15,.82);border-bottom:1px solid var(--linea);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.nav .envoltura{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.nav .marca img{height:19px;width:auto}
.nav-enlaces{display:flex;gap:30px;font-size:13.5px}
.nav-enlaces a{color:var(--suave);text-decoration:none;transition:color .2s}
.nav-enlaces a:hover,.nav-enlaces a[aria-current]{color:#fff}
.nav-enlaces a[aria-current]{box-shadow:inset 0 -2px 0 var(--cian);padding-bottom:4px}
.nav .btn{padding:10px 20px;font-size:12.6px}

/* ---------- artículo ---------- */
.art{position:relative;padding:136px 0 40px;overflow:hidden}
.art::before{content:"";position:absolute;width:1100px;height:1100px;left:50%;top:-640px;margin-left:-180px;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(0,200,255,.22),rgba(9,123,184,.08) 40%,transparent 68%)}
.art .wrap{position:relative;max-width:800px;margin:0 auto;padding:0 40px}
.migas{font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--tenue)}
.migas a{color:var(--cian);text-decoration:none}
.migas a:hover{text-decoration:underline;text-underline-offset:3px}
.art h1{font-family:"Archivo Black",sans-serif;font-weight:400;font-size:clamp(34px,5vw,58px);line-height:1.02;letter-spacing:-.02em;color:#fff;margin:20px 0 22px}
.art .lead{font-size:clamp(16.2px,1.4vw,19px);line-height:1.55;color:var(--suave);max-width:62ch}
.art h2{font-family:"Archivo Black",sans-serif;font-weight:400;font-size:clamp(23px,2.6vw,32px);line-height:1.12;letter-spacing:-.015em;color:#fff;margin:72px 0 16px}
.art h3{font-size:17.1px;line-height:1.3;margin:32px 0 8px;color:#fff}
.art p,.art li{color:var(--suave)}
.art p{margin:0 0 16px}
.art ul,.art ol{padding-left:1.3em;margin:0 0 18px}
.art li{margin:0 0 10px;padding-left:4px}
.art li::marker{color:var(--cian);font-weight:700}
.art strong{color:#fff;font-weight:600}
.art a{color:var(--cian)}
.art p a,.art li a{text-decoration:underline;text-underline-offset:2px}
.art .nota{font-size:13px;color:var(--tenue);border-left:3px solid var(--linea2);padding:4px 0 4px 16px;margin:28px 0}
.formula{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13.5px;background:var(--sup);
  border:1px solid var(--linea);border-left:3px solid var(--cian);border-radius:14px;padding:15px 18px;color:#fff!important;overflow-wrap:anywhere}
.tabla{overflow-x:auto;margin:10px 0 22px;border:1px solid var(--linea);border-radius:18px;background:var(--sup)}
.tabla table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
.tabla th,.tabla td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--linea)}
.tabla tr:last-child td{border-bottom:0}
.tabla th{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--tenue);font-weight:700;background:var(--fondo2)}
.tabla td{color:var(--suave)}
.tabla td:first-child{color:#fff;font-weight:600}

/* caja de la app a mitad de la guía */
.caja-app{margin:64px 0;padding:34px;border-radius:26px;border:1px solid rgba(0,200,255,.35);
  background:linear-gradient(135deg,rgba(0,200,255,.10),rgba(9,123,184,.04) 55%),var(--sup)}
.art .caja-app h2{margin:0 0 12px}
.caja-app p{margin:0}
.tiendas{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:24px}

/* insignias de tienda (las dos con el mismo peso) */
.tienda{display:inline-flex;border-radius:10px;transition:transform .2s ease,filter .2s ease}
.tienda:hover{transform:translateY(-2px);filter:brightness(1.12)}
.tienda img{display:block;height:48px;width:auto}

/* ---------- preguntas frecuentes ---------- */
.faq{margin-top:8px;border-top:1px solid var(--linea)}
.faq details{border-bottom:1px solid var(--linea)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 4px;font-size:16.2px;font-weight:600;line-height:1.4;color:#fff}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--cian);border-bottom:2px solid var(--cian);transform:rotate(45deg) translateY(-3px);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(225deg) translateY(-3px)}
.art .faq details p{padding:0 4px 24px;margin:0;font-size:14.4px}

/* ---------- otras guías ---------- */
.otras{margin-top:80px}
.otras .rejilla{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}
.guia{display:flex;flex-direction:column;border:1px solid var(--linea);border-radius:var(--borde);background:var(--sup);padding:26px;text-decoration:none!important;transition:border-color .25s,transform .25s}
.guia:hover{border-color:var(--cian);transform:translateY(-3px)}
.guia .tag{font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--cian)}
.art .guia h3{font-size:18px;line-height:1.25;color:#fff;margin:12px 0 0}
.art .guia p{font-size:13.5px;margin:10px 0 0;flex:1}
.guia .ir{margin-top:16px;font-weight:700;font-size:13.5px;color:var(--cian)}

/* ---------- cierre de la guía: igual al de la portada ---------- */
.caja-app#descargar{margin:88px 0 0;text-align:center;border:0;border-radius:30px;padding:64px 34px 58px;
  background:radial-gradient(ellipse at 50% 120%,#0B3A52 0%,#0D1218 70%);box-shadow:inset 0 0 0 1px var(--linea)}
.caja-app#descargar::before{content:"";display:block;width:76px;height:76px;margin:0 auto 26px;border-radius:20px;
  background:url(/icono-192.png) center/cover;box-shadow:0 20px 60px rgba(0,200,255,.3)}
.art .caja-app#descargar h2{font-size:clamp(26px,3.4vw,40px);line-height:1.05;max-width:560px;margin:0 auto 16px}
.caja-app#descargar p{max-width:520px;margin:0 auto}
.caja-app#descargar .tiendas{justify-content:center;margin-top:30px}

/* ---------- calculadora ---------- */
.calc{margin:40px 0 0;padding:30px;border-radius:26px;background:var(--sup);border:1px solid var(--linea);
  box-shadow:0 40px 110px rgba(0,200,255,.08)}
.calc-campos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;border:0;padding:0;margin:0}
.calc label{display:flex;flex-direction:column;gap:8px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--suave)}
.calc .ancho{grid-column:1/-1}
.calc .ancho>span{color:var(--suave)!important;font-size:12px!important;font-weight:700!important;letter-spacing:.06em}
.calc input,.calc select{font:inherit;font-size:15.3px;font-weight:500;width:100%;padding:13px 16px;border-radius:14px;
  border:1.5px solid var(--linea2);background:var(--fondo);color:#fff;appearance:none;-webkit-appearance:none}
.calc input::placeholder{color:var(--tenue)}
.calc select{background-image:linear-gradient(45deg,transparent 50%,var(--suave) 50%),linear-gradient(135deg,var(--suave) 50%,transparent 50%);
  background-position:calc(100% - 20px) 55%,calc(100% - 15px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:38px}
.calc input:focus,.calc select:focus{outline:none;border-color:var(--cian)}
.sexo{display:flex;gap:8px}
.sexo label{flex:1;flex-direction:row;align-items:center;justify-content:center;gap:8px;padding:13px;border-radius:999px;
  border:1.5px solid var(--linea2);background:var(--fondo);color:var(--suave);cursor:pointer;font-size:14px;letter-spacing:0;transition:all .2s}
.sexo input{position:absolute;opacity:0;width:1px;height:1px}
.sexo label:has(input:checked){background:var(--cian);border-color:transparent;color:var(--tinta)}
.sexo label:has(input:focus-visible){outline:2px solid var(--cian);outline-offset:3px}
.resultado{margin-top:26px;padding-top:26px;border-top:1px solid var(--linea)}
.art .resultado-vacio{margin:0;color:var(--tenue);font-size:13.5px}
.cifras{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cifras[hidden]{display:none}
.cifra{padding:18px 22px;border-radius:18px;background:var(--fondo2);border:1px solid var(--linea)}
.cifra.clave{border-color:rgba(0,200,255,.45);background:linear-gradient(90deg,rgba(0,200,255,.10),var(--fondo2))}
.cifra small{display:block;font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--tenue)}
.cifra b{display:block;font-family:"Archivo Black",sans-serif;font-weight:400;font-size:30px;line-height:1.1;margin:8px 0 4px;color:#fff;font-variant-numeric:tabular-nums}
.cifra.clave b{color:var(--cian)}
.cifra span{font-size:12.6px;color:var(--suave)}
.art .aviso-basal{margin:14px 0 0;font-size:13px;color:var(--racha)}

/* ---------- pie (igual al de la portada) ---------- */
.pie{border-top:1px solid var(--linea);padding:42px 0 40px;margin-top:80px;font-size:13.5px;color:var(--tenue)}
.pie-arriba{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:36px}
.pie .marca img{height:17px;width:auto}
.pie .lema{margin-top:14px;color:var(--suave)}
.pie .redes{display:flex;gap:10px;margin-top:20px}
.pie .redes a{width:40px;height:40px;border:1px solid var(--linea);border-radius:11px;display:grid;place-items:center;color:var(--suave);transition:color .2s,border-color .2s}
.pie .redes a:hover{color:#fff;border-color:var(--linea2)}
.pie .redes svg{width:18px;height:18px}
.pie h3{font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--suave);margin-bottom:14px}
.pie ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.pie a{text-decoration:none}
.pie ul a:hover{color:#fff}
.pie-abajo a{color:inherit}
.pie-abajo{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--linea);margin-top:44px;padding-top:24px;font-size:12.6px}

/* ---------- barra de descarga del celular ---------- */
.barra-app{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom,0px));z-index:60;display:none;align-items:center;gap:12px;
  background:rgba(17,21,27,.94);border:1px solid var(--linea);border-radius:20px;padding:10px 10px 10px 12px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:0 18px 50px rgba(0,0,0,.6);transform:translateY(150%);visibility:hidden;transition:transform .3s ease,visibility 0s .3s}
.barra-app.ver{transform:none;visibility:visible;transition:transform .38s cubic-bezier(.16,.84,.44,1)}
.barra-app>img{width:44px;height:44px;border-radius:12px;flex:none}
.barra-tiendas{display:flex;gap:8px;margin-left:auto}
.barra-tiendas .tienda{flex:none}
.barra-app .barra-tiendas img{width:auto;height:40px;border-radius:0}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* ---------- celular ---------- */
@media (max-width:980px){
  .nav-enlaces{display:none}
  .pie-arriba{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  body{font-size:14.4px}
  .envoltura,.art .wrap{padding:0 22px}
  .nav{height:60px}.nav .marca img{height:16px}.nav .btn{display:none!important}
  .art{padding-top:104px}
  .art::before{width:700px;height:700px;top:-420px;margin-left:-260px}
  .art h2{margin-top:56px}
  .caja-app{padding:24px;margin:48px 0}
  .caja-app#descargar{padding:48px 22px 44px}
  .tienda img{height:44px}
  .otras .rejilla,.calc-campos,.cifras{grid-template-columns:1fr}
  .calc{padding:22px}
  .pie{padding-bottom:120px}
  .pie-arriba{grid-template-columns:1fr}
  .barra-app{display:flex}
}
@media (max-width:820px){input,select,textarea{font-size:16px!important}}