/* ============================================================
   Guía de apnea del sueño — Dra. Yetlanezi Hernández Romero
   Sistema de diseño. Paleta tomada de la guía impresa AirSense 11.
   ============================================================ */

:root{
  color-scheme:only light;
  --papel:#FFF;
  --crema:#FAF5F4;
  --tinta:#241C1E;
  --tinta-suave:#5C4A4E;
  --vino:#5C3A42;
  --vino-hondo:#40272E;
  --vino-claro:#C4A9AD;
  --rosa:#B98A92;
  --rosa-lavado:#F5E9EB;
  --oro:#7A5520;
  --oro-vivo:#B08A4A;
  --oro-lavado:#F7EAD6;
  --niebla:#E3D5D7;
  --alarma:#8A3F38;
  --alarma-lavado:#FBEEEC;
  --verde:#3F5C4A;
  --verde-lavado:#EDF3EE;
  --medida:36rem;
}

*{box-sizing:border-box}
html{background:#FFF;color-scheme:only light;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

body{
  margin:0;background:#FFF;color:var(--tinta);
  font-family:"Inter",-apple-system,system-ui,sans-serif;
  font-size:1.24rem;line-height:1.66;-webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4{
  font-family:"Cormorant Garamond",Georgia,serif;font-weight:600;
  line-height:1.14;letter-spacing:-.008em;margin:0;color:var(--vino);
}
h1{font-size:clamp(2.1rem,5.8vw,3.05rem);margin-bottom:1rem;color:var(--tinta)}
h2{font-size:clamp(1.7rem,4.4vw,2.15rem);margin:2.6rem 0 .8rem}
h3{font-size:1.42rem;margin:1.8rem 0 .5rem}
p{margin:0 0 1.1em}
a{color:#7A4650}
strong{font-weight:650}

.envoltura{width:100%;max-width:62rem;margin:0 auto;padding:0 1.4rem}
.angosto{max-width:var(--medida)}
.rotulo{
  font-size:.84rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--oro);display:block;margin-bottom:.8rem;
}

/* ---------- Barra superior y menú ---------- */
.barra-sup{position:sticky;top:0;z-index:50;background:var(--vino);color:#FFF}
.barra-int{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.7rem 1.4rem;max-width:62rem;margin:0 auto}
.logo{font-family:"Cormorant Garamond",Georgia,serif;font-size:1.22rem;font-weight:600;color:#FFF;text-decoration:none;line-height:1.2}
.logo span{display:block;font-family:"Inter",sans-serif;font-size:.71rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--vino-claro);margin-top:.15rem}
.abre-menu{
  background:transparent;border:2px solid var(--vino-claro);color:#FFF;font:inherit;font-size:1rem;
  padding:.4rem .9rem;border-radius:2rem;cursor:pointer;display:flex;align-items:center;gap:.5rem;
}
.abre-menu:hover{background:#6E4751}
.abre-menu:focus-visible{outline:3px solid var(--oro-lavado);outline-offset:2px}
.menu{background:var(--vino);border-top:1px solid #7A555E}
.menu[hidden]{display:none}
.menu ol{list-style:none;margin:0 auto;padding:.6rem 1.4rem 1.2rem;max-width:62rem;counter-reset:m}
.menu li{border-bottom:1px solid #7A555E}
.menu li:last-child{border-bottom:0}
.menu a{display:flex;gap:.9rem;align-items:baseline;padding:.85rem .2rem;color:#FFF;text-decoration:none;font-size:1.06rem}
.menu a::before{counter-increment:m;content:counter(m);color:var(--vino-claro);font-size:.85rem;font-weight:700;flex:0 0 1.2rem}
.menu a:hover,.menu a:focus-visible{background:#6E4751;outline:none}
.menu a[aria-current="page"]{color:var(--oro-lavado);font-weight:700}

main{padding:2.6rem 0 3.4rem}

/* ---------- Bloques de énfasis ---------- */
.crema{background:var(--crema);border-top:1px solid var(--niebla);border-bottom:1px solid var(--niebla);padding:2.6rem 0;margin:2.6rem 0}
.clave{background:var(--oro-lavado);border-left:4px solid var(--oro-vivo);padding:1.1rem 1.3rem;margin:1.6rem 0;font-size:1.06rem}
.nota{border-left:4px solid var(--vino);background:var(--crema);padding:1.1rem 1.3rem;margin:1.6rem 0;font-size:1.06rem}
.cuidado{border-left:4px solid var(--alarma);background:var(--alarma-lavado);padding:1.1rem 1.3rem;margin:1.6rem 0;font-size:1.06rem}
.cuidado strong{color:var(--alarma)}

/* ---------- Figuras ---------- */
.figura{background:var(--crema);border:1px solid var(--niebla);padding:1.3rem;margin:1.8rem 0}
.figura svg{width:100%;height:auto;display:block}
.figura figcaption{font-size:1rem;color:var(--tinta-suave);margin-top:.8rem;line-height:1.5}

/* ---------- Tarjetas y rejillas ---------- */
.tarjetas{display:grid;gap:1.2rem;margin-top:1.8rem;grid-template-columns:1fr}
@media(min-width:52rem){.tarjetas{grid-template-columns:1fr 1fr}}
.tarjeta{border:1.5px solid var(--niebla);padding:1.5rem 1.45rem;background:#FFF}
.tarjeta h3{margin:0 0 .15rem}
.tarjeta .alias{font-size:.99rem;color:var(--tinta-suave);font-style:italic;display:block;margin-bottom:.9rem}
.tarjeta p{font-size:1.04rem}
.tarjeta ul{font-size:1.03rem;padding-left:1.15rem;margin:.7rem 0 0}
.tarjeta li{margin-bottom:.45rem}

.rejilla{margin:.8rem 0 0;border-top:1px solid var(--niebla)}
.rejilla div{display:flex;gap:.8rem;padding:.5rem 0;border-bottom:1px solid var(--niebla)}
.rejilla dt{flex:0 0 8.8rem;font-weight:600;color:var(--tinta-suave);font-size:.96rem}
.rejilla dd{margin:0;font-size:1rem}
.cifra{background:var(--oro-lavado);padding:.1rem .45rem;font-weight:700}

.bifurca{display:grid;gap:1rem;grid-template-columns:1fr;margin-top:1.6rem}
@media(min-width:44rem){.bifurca{grid-template-columns:1fr 1fr}}
.rama{border:1.5px solid var(--niebla);padding:1.3rem;background:#FFF}
.rama h3{margin:0 0 .5rem;font-size:1.24rem}
.rama ul{margin:.7rem 0 0;padding-left:1.15rem;font-size:1.03rem}
.rama li{margin-bottom:.4rem}

/* ---------- Escalones (procesos y líneas de tiempo) ---------- */
.escalones{list-style:none;padding:0;margin:1.8rem 0 0;counter-reset:e}
.escalones li{position:relative;padding:0 0 1.5rem 3rem;border-left:2px solid var(--niebla);margin-left:.6rem}
.escalones li:last-child{border-left-color:transparent;padding-bottom:0}
.escalones li::before{
  counter-increment:e;content:counter(e);position:absolute;left:-1.05rem;top:-.15rem;
  width:2rem;height:2rem;border-radius:50%;background:var(--vino);color:#FFF;
  font-size:.9rem;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.escalones h3{margin:0 0 .3rem;font-size:1.24rem}
.escalones p{font-size:1.05rem;margin-bottom:0}
.escalones .cuando{display:block;font-size:.84rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--oro);margin-bottom:.25rem}

/* ---------- Tablas ---------- */
.tabla-cont{overflow-x:auto;margin:1.8rem 0;border:1px solid var(--niebla)}
table{border-collapse:collapse;width:100%;min-width:34rem;background:#FFF}
caption{text-align:left;font-size:1rem;color:var(--tinta-suave);padding:.8rem 1rem;background:var(--crema);border-bottom:1px solid var(--niebla)}
th{background:var(--vino);color:#FFF;text-align:left;padding:.85rem 1rem;font-size:1.02rem;font-weight:650;vertical-align:top}
th small{display:block;font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--vino-claro);margin-top:.15rem}
td{padding:.8rem 1rem;border-bottom:1px solid var(--niebla);font-size:1.02rem;vertical-align:top;color:var(--tinta-suave)}
tbody th{background:var(--crema);color:var(--vino);font-weight:650;width:22%}
tr:last-child td,tr:last-child th{border-bottom:0}

/* ---------- Desplegables ---------- */
details{border-bottom:1px solid var(--niebla)}
summary{padding:.95rem 0;cursor:pointer;font-weight:600;font-size:1.09rem;list-style:none;display:flex;gap:.8rem;align-items:baseline;color:var(--vino)}
summary::-webkit-details-marker{display:none}
summary::before{content:"+";color:var(--oro);font-weight:700;font-size:1.25rem;line-height:1}
details[open] summary::before{content:"\2013"}
summary:focus-visible{outline:3px solid var(--oro-vivo);outline-offset:2px}
details .cuerpo{padding:0 0 1.1rem 1.7rem;font-size:1.04rem;color:var(--tinta-suave)}
details .cuerpo p{margin-bottom:.7em}

/* ---------- Listas numeradas de preguntas ---------- */
.preguntas{list-style:none;padding:0;margin:1.6rem 0 0;counter-reset:q}
.preguntas li{position:relative;padding:.9rem 0 .9rem 2.5rem;border-bottom:1px solid var(--niebla);font-size:1.08rem}
.preguntas li::before{counter-increment:q;content:counter(q);position:absolute;left:0;top:.95rem;font-size:.86rem;font-weight:700;color:var(--oro)}

/* ---------- Alarma ---------- */
.alarma{background:var(--alarma-lavado);border-top:4px solid var(--alarma);padding:2.4rem 0;margin-top:2.6rem}
.alarma .rotulo{color:var(--alarma)}
.alarma h2{color:var(--alarma)}
.alarma ul{margin:1.2rem 0 0;padding-left:1.2rem}
.alarma li{margin-bottom:.6rem}

/* ---------- Glosario ---------- */
.glosario div{padding:.8rem 0;border-bottom:1px solid var(--niebla)}
.glosario dt{font-weight:700;font-size:1.05rem;color:var(--vino)}
.glosario dd{margin:.2rem 0 0;color:var(--tinta-suave);font-size:1.02rem}

/* ---------- Pendiente / apuntes ---------- */
.pendiente{background:var(--crema);border:2px dashed var(--oro-vivo);padding:1.3rem;margin:1.8rem 0}
.pendiente h3{margin:0 0 .5rem;font-size:1.22rem}
.pendiente ul{margin:0;padding-left:1.2rem;font-size:1.02rem}
.pendiente li{margin-bottom:.4rem}

/* ---------- Navegación secuencial ---------- */
.siguiente{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--niebla);flex-wrap:wrap}
.siguiente a{display:inline-block;border:2px solid var(--vino);padding:.7rem 1.2rem;text-decoration:none;font-weight:600;font-size:1.03rem;color:var(--vino)}
.siguiente a:hover{background:var(--vino);color:#FFF}

/* ---------- Portada ---------- */
.bienvenida{background:var(--vino);color:#FFF;padding:3.2rem 0 3rem;margin:-2.6rem 0 0}
.bienvenida h1{color:#FFF;font-size:clamp(2.2rem,6.2vw,3.25rem);max-width:19ch;margin-bottom:1.3rem}
.bienvenida .lede{font-size:clamp(1.3rem,3.4vw,1.55rem);color:#EFDFE1;font-weight:300;max-width:34ch;margin-bottom:1.6rem}
.bienvenida .para{background:#482D34;border-left:5px solid var(--oro-vivo);padding:1.2rem 1.35rem;font-size:1.1rem;max-width:38rem;color:#FFF}
.bienvenida .para strong{color:var(--oro-lavado)}
.entrar{display:inline-block;margin-top:1.8rem;background:var(--oro-lavado);color:var(--tinta);padding:.95rem 1.6rem;text-decoration:none;font-weight:700;font-size:1.12rem;border:2px solid var(--oro-lavado)}
.entrar:hover{background:transparent;color:var(--oro-lavado)}

.indice{list-style:none;padding:0;margin:2rem 0 0;counter-reset:i}
.indice li{border-bottom:1px solid var(--niebla)}
.indice a{display:flex;gap:1rem;align-items:baseline;padding:1rem .2rem;text-decoration:none;color:var(--tinta);font-size:1.12rem}
.indice a::before{counter-increment:i;content:counter(i);color:var(--oro);font-weight:700;font-size:.9rem;flex:0 0 1.2rem}
.indice a:hover{background:var(--crema)}
.indice small{display:block;color:var(--tinta-suave);font-size:.98rem;font-weight:400;margin-top:.1rem}

/* ============================================================
   CUESTIONARIOS INTERACTIVOS
   ============================================================ */
.cuestionario{border:1.5px solid var(--niebla);background:#FFF;margin:1.8rem 0 0}
.cuest-cab{background:var(--crema);border-bottom:1px solid var(--niebla);padding:1.2rem 1.3rem}
.cuest-cab h3{margin:0 0 .3rem}
.cuest-cab p{margin:0;font-size:1.02rem;color:var(--tinta-suave)}
.escala{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.escala span{font-size:.92rem;background:#FFF;border:1px solid var(--niebla);padding:.2rem .6rem;color:var(--tinta-suave)}
.escala b{color:var(--vino)}

.item{display:flex;gap:.9rem;align-items:flex-start;flex-wrap:wrap;padding:1rem 1.3rem;border-bottom:1px solid var(--niebla)}
.item:last-of-type{border-bottom:0}
.item.hecho{background:var(--rosa-lavado)}
.item-n{flex:0 0 1.4rem;font-size:.86rem;font-weight:700;color:var(--oro);padding-top:.3rem}
.item-t{flex:1 1 15rem;min-width:0}
.item-t b{display:block;font-weight:600;font-size:1.06rem;line-height:1.45}
.item-t i{display:block;font-style:normal;font-size:.98rem;color:var(--tinta-suave);margin-top:.2rem;line-height:1.5}
.opciones{display:flex;gap:.4rem;flex:0 0 auto;margin-left:auto}
.opciones button{
  min-width:2.9rem;padding:.45rem .9rem;border:1.5px solid var(--niebla);background:#FFF;
  font:inherit;font-size:.99rem;font-weight:600;color:var(--tinta-suave);cursor:pointer;
}
.opciones button:hover{border-color:var(--rosa);color:var(--vino)}
.opciones button:focus-visible{outline:3px solid var(--oro-vivo);outline-offset:2px}
.opciones button[aria-pressed="true"]{background:var(--vino);border-color:var(--vino);color:#FFF}

.avance{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;padding:1rem 1.3rem;background:var(--crema);border-top:1px solid var(--niebla)}
.barra{flex:1 1 10rem;height:.45rem;background:var(--niebla);min-width:8rem}
.barra i{display:block;height:100%;width:0;background:var(--vino);transition:width .35s ease}
.avance output{font-size:.98rem;font-weight:600;color:var(--tinta-suave);white-space:nowrap}
.limpiar{background:none;border:0;font:inherit;font-size:.98rem;color:var(--oro);text-decoration:underline;cursor:pointer;padding:0}
.limpiar:hover{color:var(--vino)}

.resultado{margin-top:1.4rem}
.resultado[hidden]{display:none}
.res{border:1.5px solid;padding:1.5rem 1.4rem}
.res-cab{display:flex;gap:1.2rem;align-items:center;flex-wrap:wrap;margin-bottom:1rem}
.res-num{flex:0 0 auto;width:4.4rem;height:4.4rem;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#FFF;line-height:1}
.res-num b{font-family:"Cormorant Garamond",Georgia,serif;font-size:2rem;font-weight:600}
.res-num span{font-size:.68rem;font-weight:800;letter-spacing:.1em;margin-top:.15rem;opacity:.9}
.res-tit{flex:1 1 12rem}
.res-tit span{display:block;font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;opacity:.8;margin-bottom:.15rem}
.res-tit b{display:block;font-family:"Cormorant Garamond",Georgia,serif;font-size:1.8rem;font-weight:600;line-height:1.12}
.res>p{font-size:1.05rem;margin-bottom:0}
.res h4{font-size:.82rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin:1.2rem 0 .6rem;color:inherit;opacity:.85;font-family:"Inter",sans-serif}
.res ul{margin:0;padding-left:1.2rem;font-size:1.02rem}
.res li{margin-bottom:.45rem}
.res-pie{margin-top:1.3rem;padding-top:1.1rem;border-top:1px solid rgba(0,0,0,.14)}
.res-pie a{display:inline-block;background:#1EA855;color:#FFF;text-decoration:none;font-weight:700;font-size:1.02rem;padding:.7rem 1.2rem}
.res-pie a:hover{background:#178C46}

.n-bajo{background:var(--verde-lavado);border-color:#C3D6C9;color:#2C4635}
.n-bajo .res-num{background:var(--verde)}
.n-medio{background:var(--oro-lavado);border-color:#E4CDA4;color:#5C4213}
.n-medio .res-num{background:var(--oro)}
.n-alto{background:var(--alarma-lavado);border-color:#E5C4BE;color:#6B2F28}
.n-alto .res-num{background:var(--alarma)}

.sin-js{background:var(--alarma-lavado);border-left:4px solid var(--alarma);padding:1.1rem 1.3rem;margin:1.6rem 0;font-size:1.04rem}

/* ---------- WhatsApp ---------- */
.wa{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:60;display:flex;align-items:center;gap:.6rem;
  background:#1EA855;color:#FFF;text-decoration:none;padding:.85rem 1.15rem;border-radius:2.4rem;
  font-weight:700;font-size:1.02rem;box-shadow:0 4px 16px rgba(0,0,0,.28);
}
.wa:hover{background:#178C46}
.wa:focus-visible{outline:3px solid var(--oro-vivo);outline-offset:3px}
.wa svg{width:1.45rem;height:1.45rem;flex-shrink:0;fill:#FFF}
.wa .etq{display:none}
@media(min-width:34rem){.wa .etq{display:inline}}

/* ---------- Referencias ---------- */
.refs{list-style:none;padding:0;margin:1.4rem 0 0;counter-reset:r}
.refs li{position:relative;padding:1rem 0 1rem 2.6rem;border-bottom:1px solid var(--niebla);font-size:1.05rem}
.refs li::before{counter-increment:r;content:counter(r);position:absolute;left:0;top:1.05rem;font-size:.86rem;font-weight:700;color:var(--oro)}
.refs .clave-ref{display:inline-block;background:var(--oro-lavado);padding:.05rem .4rem;font-weight:700;font-size:.95rem;margin-right:.3rem}

/* ---------- Pie ---------- */
.pie{background:var(--vino-hondo);color:#EFE2E4;padding:2.8rem 0;font-size:1rem;margin-top:3rem}
.pie h2{color:#FFF;font-size:1.4rem;margin-top:0}
.pie a{color:var(--oro-lavado)}
.pie ul{padding-left:1.2rem;color:#D8C6C9}
.firma{font-family:"Great Vibes",cursive;font-size:2.4rem;color:var(--oro-lavado);line-height:1;display:block;margin-bottom:.4rem}
.descargo{margin-top:1.6rem;padding-top:1.4rem;border-top:1px solid #6A4B53;color:#D8C6C9;max-width:52ch}

/* ---------- Forzar modo claro ---------- */
@media (prefers-color-scheme:dark){
  html,body{background:#FFF!important;color:#241C1E!important}
  main,.tarjeta,.rama,.figura,.crema,.clave,.nota,.cuidado,.pendiente,.alarma,.cuestionario{color:#241C1E!important}
  .crema,.figura,.nota,.pendiente{background:#FAF5F4!important}
  .tarjeta,.rama,.cuestionario,table{background:#FFF!important}
  .clave{background:#F7EAD6!important}
  .alarma,.cuidado{background:#FBEEEC!important}
  .barra-sup,.menu,th{background:#5C3A42!important;color:#FFF!important}
  .menu a,.logo{color:#FFF!important}
  .bienvenida{background:#5C3A42!important;color:#FFF!important}
  .bienvenida h1,.bienvenida .lede,.bienvenida .para{color:#FFF!important}
  .bienvenida .para{background:#482D34!important}
  .entrar{background:#F7EAD6!important;color:#241C1E!important}
  .refs li,.indice a{color:#241C1E!important}
  .pie{background:#40272E!important;color:#EFE2E4!important}
  .pie h2{color:#FFF!important}
  .n-bajo{background:#EDF3EE!important}
  .n-medio{background:#F7EAD6!important}
  .n-alto{background:#FBEEEC!important}
}

/* ---------- Ajustes para pantallas estrechas ---------- */
@media(max-width:34rem){
  body{font-size:1.16rem}
  .item{padding:.9rem 1rem}
  .opciones{margin-left:0;width:100%;padding-left:2.3rem;margin-top:.5rem}
  .opciones button{flex:1 1 0;min-width:0;padding:.55rem .3rem}
  .res-cab{gap:.9rem}
  .res-num{width:3.6rem;height:3.6rem}
  .res-num b{font-size:1.6rem}
  .res-tit b{font-size:1.5rem}
  .escalones li{padding-left:2.4rem}
  .rejilla div{flex-direction:column;gap:.15rem}
  .rejilla dt{flex:none}
  .siguiente a{width:100%;text-align:center}
}

@media print{
  .barra-sup,.menu,.wa,.siguiente,.avance,.limpiar{display:none!important}
  body{font-size:11pt}
  .cuestionario,.tarjeta,.rama{break-inside:avoid}
}