/* =============================================================================
   CuántoCobraré — styles.css  (original design)
   ========================================================================== */
:root{
  --tinta:#0f172a; --tinta-2:#334155; --suave:#56617a;
  --papel:#ffffff; --fondo:#f5f7fb; --linea:#e2e8f0;
  --acento:#0e7c66; --acento-2:#0a5f4e; --acento-suave:#e6f4f0;
  --oro:#b7791f; --alerta:#b91c1c;
  --neto:#0e7c66; --ss:#f59e0b; --irpf:#3b82f6;
  --radio:14px;
  --sombra:0 1px 2px rgba(15,23,42,.05),0 8px 24px rgba(15,23,42,.06);
  --sombra-1:0 1px 2px rgba(15,23,42,.05),0 1px 3px rgba(15,23,42,.05);
  --ancho:1100px; --ancho-texto:680px;
  --cab-h:64px;             /* alto de la cabecera sticky */
  --desplazar:80px;         /* scroll-margin bajo la cabecera */
  /* escala de espaciado */
  --e1:4px; --e2:8px; --e3:12px; --e4:16px; --e5:24px; --e6:32px; --e7:48px;
  --fuente:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --display:'Poppins',var(--fuente);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--fuente);color:var(--tinta);background:var(--fondo);
  line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.22;color:var(--tinta);margin:0 0 .5em}
h1{font-size:clamp(1.7rem,4.5vw,2.3rem);letter-spacing:-.02em}
h2{font-size:clamp(1.35rem,3.2vw,1.6rem);letter-spacing:-.01em;margin-top:1.6em}
h3{font-size:clamp(1.1rem,2.4vw,1.2rem);margin-top:1.4em}
.marca,.res-neto{font-family:var(--display)}
p{margin:0 0 1em}
a{color:var(--acento-2);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--acento)}
strong,b{font-weight:600}
img,svg{max-width:100%}
.contenedor{max-width:var(--ancho);margin:0 auto;padding:0 16px}
.contenedor--texto{max-width:var(--ancho-texto)}
.salto{position:absolute;left:-9999px}
.salto:focus{position:static;display:inline-block;padding:8px 12px;background:var(--acento);color:#fff}

/* cabecera */
.cab{background:var(--papel);border-bottom:1px solid var(--linea);position:sticky;top:0;z-index:30}
.cab__fila{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.marca{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;text-decoration:none;color:var(--tinta)}
.marca b{color:var(--acento)}
.marca svg{width:30px;height:30px;color:var(--acento)}
.cab__nav{display:flex;gap:20px}
.cab__nav a{color:var(--tinta-2);text-decoration:none;font-size:.95rem;font-weight:500}
.cab__nav a:hover{color:var(--acento)}
@media(max-width:760px){.cab__nav{display:none}}

/* hero */
.hero{padding:40px 0 8px;text-align:center}
.hero .sello{display:inline-block;font-size:.8rem;font-weight:600;color:var(--acento-2);
  background:var(--acento-suave);padding:4px 12px;border-radius:999px;margin-bottom:14px}
.hero p.lead{max-width:640px;margin:0 auto;color:var(--tinta-2);font-size:1.05rem}
p.lead{font-size:1.08rem;color:var(--tinta-2)}
.migas{font-size:.85rem;color:var(--suave);padding:16px 0 0}
.migas a{color:var(--suave)}
.hoja-sit{font-size:12px;color:#444}
.seccion .contenedor--texto>ul{margin:0 0 1em;padding-left:1.2em}
.seccion .contenedor--texto li{margin-bottom:.4em}

/* calculadora */
.tool{padding:24px 0 8px}
.calc-card{background:var(--papel);border:1px solid var(--linea);border-radius:var(--radio);
  box-shadow:var(--sombra);overflow:hidden}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:0}
@media(max-width:860px){.calc-grid{grid-template-columns:1fr}}
.calc-form{padding:24px;border-right:1px solid var(--linea)}
@media(max-width:860px){.calc-form{border-right:none;border-bottom:1px solid var(--linea)}}
.modos{display:inline-flex;background:var(--fondo);border-radius:10px;padding:4px;margin-bottom:20px}
.modo-btn{border:0;background:transparent;padding:8px 14px;border-radius:8px;font:inherit;
  font-weight:600;font-size:.9rem;color:var(--suave);cursor:pointer}
.modo-btn.is-on{background:var(--papel);color:var(--acento-2);box-shadow:var(--sombra)}
.campo{margin-bottom:16px}
.campo>label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.campo .ayuda{font-size:.82rem;color:var(--suave);margin:4px 0 0}
.input-euro{position:relative;display:flex;align-items:center}
.input-euro::after{content:"€";position:absolute;right:14px;color:var(--suave);font-weight:600}
input[type=number],select{width:100%;padding:12px 14px;border:1px solid var(--linea);border-radius:10px;
  font:inherit;font-size:1.1rem;background:var(--papel);color:var(--tinta)}
input[type=number]:focus,select:focus{outline:2px solid var(--acento);border-color:var(--acento)}
.principal input{font-size:1.5rem;font-weight:700;padding-right:34px}
input[type=range]{width:100%;margin:14px 0 0;accent-color:var(--acento)}
.fila{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:flex;background:var(--fondo);border-radius:10px;padding:4px}
.seg button{flex:1;border:0;background:transparent;padding:9px;border-radius:8px;font:inherit;
  font-weight:600;color:var(--suave);cursor:pointer}
.seg button.is-on{background:var(--papel);color:var(--acento-2);box-shadow:var(--sombra)}
details.mas{margin-top:8px;border-top:1px solid var(--linea);padding-top:12px}
details.mas>summary{cursor:pointer;font-weight:600;font-size:.92rem;color:var(--acento-2);list-style:none}
details.mas>summary::-webkit-details-marker{display:none}
details.mas>summary::before{content:"＋ ";font-weight:700}
details.mas[open]>summary::before{content:"− "}
.rejilla{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.check{display:flex;gap:8px;align-items:flex-start;font-size:.9rem;font-weight:400}
.check input{width:auto;margin-top:3px}
.grid-full{grid-column:1/-1}

/* resultado */
.calc-res{padding:24px;background:linear-gradient(180deg,var(--acento-suave),var(--papel) 140px)}
.res-tit{font-size:.9rem;color:var(--tinta-2);font-weight:600;margin:0}
.res-neto{font-size:2.6rem;font-weight:800;color:var(--acento-2);letter-spacing:-.02em;line-height:1.1;margin:2px 0}
.res-det{color:var(--tinta-2);font-size:.95rem;margin:0 0 14px}
.res-inverso{background:var(--papel);border:1px solid var(--linea);border-radius:10px;padding:10px 12px;font-size:.9rem;margin-bottom:14px}
.anillo{display:flex;align-items:center;gap:18px;margin:8px 0 16px}
.anillo svg{flex:none;width:170px;height:170px}
.anillo .leyenda{font-size:.85rem;display:grid;gap:5px}
.anillo .leyenda span{display:flex;align-items:center;gap:7px}
.punto{width:10px;height:10px;border-radius:3px;flex:none}
.p-neto{background:var(--neto)}.p-ss{background:var(--ss)}.p-irpf{background:var(--irpf)}
table.desglose{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--papel);
  border:1px solid var(--linea);border-radius:10px;overflow:hidden}
table.desglose th,table.desglose td{padding:9px 12px;text-align:left;border-bottom:1px solid var(--linea)}
table.desglose td{text-align:right;font-variant-numeric:tabular-nums}
table.desglose tr:last-child th,table.desglose tr:last-child td{border-bottom:0;font-weight:700}
.res-acciones{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn{display:inline-block;border:0;border-radius:10px;padding:11px 18px;font:inherit;font-weight:600;
  cursor:pointer;text-decoration:none;text-align:center}
.btn--primario{background:var(--acento);color:#fff}
.btn--primario:hover{background:var(--acento-2);color:#fff}
.btn--fantasma{background:var(--papel);color:var(--acento-2);border:1px solid var(--linea)}
.cta{display:inline-block;background:var(--acento);color:#fff;border-radius:10px;padding:11px 18px;
  font-weight:600;text-decoration:none;margin:6px 0}
.cta:hover{background:var(--acento-2);color:#fff}
.nota{font-size:.85rem;color:var(--tinta-2);background:var(--papel);border:1px solid var(--linea);
  border-radius:10px;padding:10px 12px;margin-top:12px}
.priv{font-size:.82rem;color:var(--suave);margin-top:12px}
#panel-empresa{margin-top:14px;background:var(--papel);border:1px solid var(--linea);border-radius:10px;padding:14px}

/* secciones de contenido */
.seccion{padding:26px 0}
.pasos{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:760px){.pasos{grid-template-columns:1fr}}
.paso{background:var(--papel);border:1px solid var(--linea);border-radius:var(--radio);padding:18px}
.paso .num{width:30px;height:30px;border-radius:8px;background:var(--acento-suave);color:var(--acento-2);
  font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.tabla-scroll{overflow-x:auto;border:1px solid var(--linea);border-radius:var(--radio)}
table.datos{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--papel)}
table.datos th,table.datos td{padding:10px 12px;border-bottom:1px solid var(--linea);text-align:right;font-variant-numeric:tabular-nums}
table.datos thead th{text-align:right;background:var(--fondo);font-size:.8rem;color:var(--suave);text-transform:uppercase;letter-spacing:.03em}
table.datos th[scope=row]{text-align:left;font-weight:700}
table.datos th[scope=row] a{text-decoration:none}
table.datos tbody tr:hover{background:var(--acento-suave)}
.faq details{background:var(--papel);border:1px solid var(--linea);border-radius:10px;padding:14px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";float:right;color:var(--acento)}
.faq details[open] summary::after{content:"−"}
.caja-fuentes{background:var(--papel);border:1px solid var(--linea);border-left:3px solid var(--acento);
  border-radius:10px;padding:16px 18px;font-size:.92rem}

/* pie */
.pie{background:var(--tinta);color:#cbd5e1;margin-top:40px;padding:30px 0}
.pie a{color:#e2e8f0}
.pie__nav{display:flex;flex-wrap:wrap;gap:14px;margin:12px 0}
.pie__nav a{text-decoration:none;font-size:.9rem}
.pie small{color:#94a3b8;font-size:.82rem}

/* modal + hoja */
dialog#modal{border:0;border-radius:var(--radio);padding:0;max-width:460px;box-shadow:var(--sombra)}
dialog#modal::backdrop{background:rgba(15,23,42,.5)}
.modal-in{padding:24px}
.hoja{position:absolute;left:-9999px}
@media print{
  @page{margin:14mm}
  html{scroll-behavior:auto}
  body{background:#fff;color:#000;font-size:12pt}
  .cab,.pie,dialog,.salto,.migas,.res-acciones{display:none!important}
  a{color:#000;text-decoration:none}
  /* Página de la calculadora (tiene .hoja): imprimir SOLO el desglose */
  body:has(.hoja) .hero,
  body:has(.hoja) .tool,
  body:has(.hoja) .seccion{display:none!important}
  .hoja{position:static;left:auto;padding:0}
  .hoja h2,.hoja h3{margin-top:14px}
  .hoja table{width:100%;border-collapse:collapse;font-size:11pt}
  .hoja th,.hoja td{border:1px solid #ccc;padding:6px 8px;text-align:left}
  /* Páginas de contenido (sin .hoja): la tabla no debe cortarse */
  .tabla-scroll{overflow:visible!important;border:0!important}
  table.datos,table.desglose{page-break-inside:auto}
  tr{page-break-inside:avoid}
}
html:not(.js-ready) [data-necesita-js]{opacity:.5}

/* responsive fino */
@media(max-width:600px){
  body{font-size:16px}
  .contenedor{padding:0 16px}
  .hero{padding:28px 0 4px}
  .calc-form,.calc-res{padding:18px}
  .res-neto{font-size:2.1rem}
  .anillo{flex-direction:column;align-items:flex-start}
  .anillo svg{width:140px;height:140px}
  .fila,.rejilla{grid-template-columns:1fr}
  .res-acciones .btn{width:100%}
  h2{margin-top:1.3em}
}
@media(max-width:380px){
  .principal input{font-size:1.25rem}
  .res-neto{font-size:1.8rem}
}
@media(min-width:861px){
  .calc-res{position:relative}
}

/* =============================================================================
   REFINAMIENTOS — responsividad, accesibilidad y pulido (añadido en auditoría)
   ========================================================================== */

/* 1 · Offset de anclas bajo la cabecera sticky ------------------------------ */
html{scroll-padding-top:var(--desplazar)}
[id]{scroll-margin-top:var(--desplazar)}

/* 2 · Foco visible por teclado en todos los interactivos -------------------- */
:focus-visible{outline:2px solid var(--acento);outline-offset:2px;border-radius:6px}
a:focus-visible,summary:focus-visible,.btn:focus-visible,.cta:focus-visible,
.modo-btn:focus-visible,.seg button:focus-visible{outline:2px solid var(--acento);outline-offset:2px}
input:focus-visible,select:focus-visible{outline:2px solid var(--acento);outline-offset:1px}
:focus:not(:focus-visible){outline:none}
::selection{background:var(--acento-suave);color:var(--tinta)}

/* 3 · Cabecera con sombra sutil y transición suave -------------------------- */
.cab{box-shadow:0 1px 0 rgba(15,23,42,.04)}
.cab__nav a{padding:4px 2px;transition:color .15s ease}

/* 4 · Ritmo de secciones y espaciado en escritorio ------------------------- */
@media(min-width:861px){
  .seccion{padding:40px 0}
  .tool{padding:32px 0 8px}
  .hero{padding:52px 0 8px}
}

/* 5 · Tarjetas de pasos: pequeña elevación al pasar el ratón ---------------- */
.paso{box-shadow:var(--sombra-1);transition:box-shadow .18s ease,transform .18s ease}
.paso:hover{box-shadow:var(--sombra);transform:translateY(-2px)}
.paso .num{font-family:var(--display)}

/* 6 · Tablas: cebra, marco único y sombras de scroll como pista ------------ */
table.desglose{border:0;border-radius:0}          /* el marco lo aporta .tabla-scroll */
table.datos,table.desglose{background:transparent}
.tabla-scroll{
  -webkit-overflow-scrolling:touch;
  background-color:var(--papel);
  background-image:
    linear-gradient(to right, var(--papel) 35%, rgba(255,255,255,0)),
    linear-gradient(to left, var(--papel) 35%, rgba(255,255,255,0)),
    linear-gradient(to right, rgba(15,23,42,.12), rgba(15,23,42,0)),
    linear-gradient(to left, rgba(15,23,42,.12), rgba(15,23,42,0));
  background-position:0 0,100% 0,0 0,100% 0;
  background-repeat:no-repeat;
  background-size:36px 100%,36px 100%,14px 100%,14px 100%;
  background-attachment:local,local,scroll,scroll;
}
table.datos tbody tr:nth-child(even){background:rgba(15,23,42,.028)}
table.datos tbody tr:hover{background:var(--acento-suave)}
table.datos thead th{position:sticky;top:0}     /* encabezado legible al hacer scroll horizontal */

/* 7 · Sello del hero: legible aunque tenga que envolver -------------------- */
.hero .sello{line-height:1.5}
@media(max-width:420px){.hero .sello{border-radius:12px;padding:6px 12px}}

/* 8 · FAQ: toda la fila del summary es un objetivo táctil cómodo ----------- */
.faq details{padding:0}
.faq summary{padding:15px 16px;min-height:44px;display:flex;align-items:center;
  justify-content:space-between;gap:14px}
.faq summary::after{float:none;margin-left:auto}
.faq details>*:not(summary){margin:0;padding:0 16px 16px}
.faq details[open] summary{border-bottom:1px solid var(--linea);margin-bottom:14px}

/* 9 · Modal: nunca más ancho que la pantalla ------------------------------- */
@media(max-width:520px){dialog#modal{max-width:calc(100vw - 32px)}}

/* 10 · Objetivos táctiles ≥44px en móvil ----------------------------------- */
@media(max-width:760px){
  .modo-btn{min-height:44px;display:inline-flex;align-items:center}
  .seg button{min-height:44px}
  .btn,.cta{min-height:44px;display:inline-flex;align-items:center;justify-content:center}
  details.mas>summary{min-height:44px;display:flex;align-items:center}
  .pie__nav{gap:2px 18px}
  .pie__nav a{padding:8px 0;display:inline-flex;align-items:center;min-height:44px}
}

/* 11 · Reducir movimiento: sin transiciones ni translaciones --------------- */
@media(prefers-reduced-motion:reduce){
  *{transition:none!important}
  .paso:hover{transform:none}
}


/* Self-hosted fonts (latin subset) — no third-party requests */
@font-face{font-family:'Inter';font-style:normal;font-weight:400 700;font-display:swap;
  src:url(fonts/inter-latin.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;
  src:url(fonts/poppins-600.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;
  src:url(fonts/poppins-700.woff2) format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* Mobile menu (hamburger) */
.cab__toggle{display:none;background:none;border:0;padding:10px;cursor:pointer;color:var(--tinta);
  min-width:44px;min-height:44px;align-items:center;justify-content:center}
.cab__toggle svg{width:24px;height:24px}
@media(max-width:760px){
  .cab__toggle{display:inline-flex}
  .cab__nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--papel);
    border-bottom:1px solid var(--linea);flex-direction:column;padding:8px 16px;box-shadow:var(--sombra)}
  .cab__nav.is-open{display:flex}
  .cab__nav a{padding:12px 4px;min-height:44px;display:flex;align-items:center;border-bottom:1px solid var(--linea)}
  .cab__nav a:last-child{border-bottom:0}
}

/* Author card (About page) */
.autor-card{display:flex;align-items:center;gap:16px;background:var(--papel);border:1px solid var(--linea);
  border-radius:var(--radio);padding:16px;margin:0 0 20px}
.autor-card img{width:96px;height:96px;border-radius:50%;object-fit:cover;flex:none}
.autor-nombre{font-family:var(--display);font-weight:700;font-size:1.1rem;margin:0}
.autor-rol{color:var(--suave);font-size:.9rem;margin:2px 0 0}