:root{
  --paper:#F6F6F2; --surface:#FFFFFF; --rule:#DEDAD0; --ink:#16181D; --ink-soft:#5B5F68;
  --navy:#1F3A63; --navy-soft:#E8EDF4;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#14161B; --surface:#1B1E24; --rule:#31343C; --ink:#EDEEF1; --ink-soft:#9A9DA6;
    --navy:#6F97D1; --navy-soft:#1E2733;
  }
}
html{scroll-padding-top:env(safe-area-inset-top,0px);}
*{box-sizing:border-box;}
body{margin:0; background:var(--paper); color:var(--ink); font-family:'Public Sans',sans-serif;}
h1,h2,.serif{font-family:'Newsreader',serif;}
.num{font-variant-numeric:tabular-nums;}
a{color:var(--navy);}

header{border-bottom:1px solid var(--rule); background:var(--surface); padding:0 24px; position:sticky; top:0; z-index:5;}
.headbar{max-width:760px; margin:0 auto; display:flex; align-items:center; justify-content:space-between; padding:16px 0; gap:20px;}
.brand{display:flex; align-items:center; gap:9px; font-family:'Newsreader',serif; font-weight:600; font-size:18px; color:var(--ink); flex-shrink:0; text-decoration:none;}
.seal{width:26px; height:26px; flex-shrink:0;}
nav{display:flex; gap:22px; overflow-x:auto;}
.navlink{font-family:'Public Sans',sans-serif; font-size:14px; font-weight:500; color:var(--ink-soft); text-decoration:none; padding:4px 0 3px; border-bottom:2px solid transparent; white-space:nowrap;}
.navlink:hover{color:var(--ink);}
.navlink.active{color:var(--navy); border-bottom-color:var(--navy);}

main{max-width:640px; margin:0 auto; padding:52px 24px 40px;}
h2{font-size:29px; font-weight:600; margin:0 0 10px; letter-spacing:-0.01em;}
.lede{color:var(--ink-soft); font-size:15.5px; margin:0 0 34px; max-width:48ch; line-height:1.55;}

.list-item{display:flex; justify-content:space-between; align-items:baseline; gap:20px; padding:22px 0; border-top:1px solid var(--rule); text-decoration:none; color:inherit;}
.list-item:last-of-type{border-bottom:1px solid var(--rule);}
.list-item .tag{font-size:12.5px; color:var(--ink-soft); display:block; margin-bottom:5px;}
.list-item h3{font-family:'Newsreader',serif; font-weight:600; font-size:20px; margin:0 0 4px; color:var(--ink);}
.list-item p{font-size:13.5px; color:var(--ink-soft); margin:0;}
.list-item:hover h3{color:var(--navy);}
.list-item .go{font-size:13px; color:var(--ink-soft); flex-shrink:0; align-self:center;}
.more-note{font-size:13px; color:var(--ink-soft); padding:20px 0 0; font-style:italic; font-family:'Newsreader',serif;}

label{display:block; font-size:13px; font-weight:500; color:var(--ink-soft); margin:18px 0 6px;}
label:first-of-type{margin-top:0;}
input, select{width:100%; font:16px/1.3 'Public Sans',sans-serif; background:var(--surface); color:var(--ink); border:1px solid var(--rule); padding:11px 13px; border-radius:4px;}
input:focus, select:focus, button:focus-visible, .list-item:focus-visible, .navlink:focus-visible{outline:2px solid var(--navy); outline-offset:2px;}
.row{display:flex; gap:12px;}
.row > div{flex:1;}
.calc-btn{margin-top:24px; background:var(--navy); color:var(--surface); border:none; font-family:'Public Sans',sans-serif; font-weight:600; font-size:14.5px; padding:12px 22px; border-radius:4px; cursor:pointer;}
.calc-btn:hover{opacity:.9;}

.receipt{margin-top:36px; border:1px solid var(--rule); border-radius:6px; overflow:hidden; display:none;}
.receipt.show{display:block;}
.receipt .strip{background:var(--navy-soft); color:var(--navy); padding:11px 20px; font-size:12.5px; font-weight:600; display:flex; align-items:center; gap:8px;}
.receipt .strip svg{width:15px; height:15px;}
.receipt .body{padding:22px 20px;}
.receipt .big{font-family:'Newsreader',serif; font-size:32px; font-weight:600; color:var(--navy); margin:0 0 16px;}
.receipt .line{display:flex; justify-content:space-between; font-size:13.5px; padding:9px 0; border-top:1px solid var(--rule); color:var(--ink-soft);}
.receipt .line span:last-child{color:var(--ink); font-weight:500;}
.receipt .line.total{border-top:1px solid var(--ink); margin-top:2px; font-weight:600;}
.receipt .line.total span{color:var(--ink); font-size:15px;}

.note{font-size:12.5px; color:var(--ink-soft); margin-top:22px; line-height:1.6;}
.hint{font-size:12.5px; color:var(--ink-soft); margin:4px 0 0; line-height:1.4;}
.form-msg{display:none; font-size:13px; color:var(--navy); margin-top:14px; padding:10px 13px; background:var(--navy-soft); border-radius:5px;}
.form-msg.show{display:block;}

/* Oculto hasta que AdSense esté aprobado: borrá la línea display:none para mostrar los espacios de anuncio */
.ad-slot{display:none; max-width:640px; margin:0 auto; padding:0 24px;}
.ad-slot .box{border:1px dashed var(--rule); border-radius:6px; padding:18px; text-align:center; font-size:12px; color:var(--ink-soft); margin:8px 0 0;}

footer{border-top:1px solid var(--rule); margin-top:40px; padding:26px 24px 46px;}
.footbar{max-width:640px; margin:0 auto; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12.5px; color:var(--ink-soft);}
.footbar a{color:var(--ink-soft); text-decoration:none;}
.footbar a:hover{color:var(--navy);}

.legal{max-width:640px; margin:0 auto; padding:52px 24px 80px; font-size:14.5px; line-height:1.7; color:var(--ink-soft);}
.legal h1{color:var(--ink); font-size:26px; margin-bottom:20px;}
.legal h2{font-size:17px; color:var(--ink); font-family:'Public Sans',sans-serif; font-weight:600; margin:28px 0 8px;}

.content{max-width:640px; margin:0 auto; padding:8px 24px 24px; color:var(--ink-soft); font-size:14.5px; line-height:1.75;}
.content h3{font-family:'Newsreader',serif; font-weight:600; font-size:22px; color:var(--ink); margin:36px 0 10px;}
.content h4{font-family:'Public Sans',sans-serif; font-weight:600; font-size:15px; color:var(--ink); margin:24px 0 6px;}
.content p{margin:0 0 12px;}
.content ul{margin:0 0 14px; padding-left:20px;}
.content li{margin-bottom:6px;}
.content .updated{font-size:12.5px; margin-top:28px;}
.guides{margin-top:44px;}
.guides > h3{font-family:'Newsreader',serif; font-weight:600; font-size:22px; margin:0 0 6px;}

nav{min-width:0; margin-left:auto;}
.more{position:relative; flex-shrink:0;}
.more-btn{background:none; border:none; font-family:'Public Sans',sans-serif; font-size:14px; font-weight:500; color:var(--ink-soft); cursor:pointer; padding:4px 0 3px; border-bottom:2px solid transparent; display:flex; align-items:center; gap:6px;}
.more-btn::after{content:""; width:6px; height:6px; border-right:1.5px solid currentColor; border-bottom:1.5px solid currentColor; transform:rotate(45deg) translateY(-2px);}
.more-btn:hover{color:var(--ink);}
.more-btn.active{color:var(--navy); border-bottom-color:var(--navy);}
.more-btn:focus-visible{outline:2px solid var(--navy); outline-offset:2px;}
.more-menu{display:none; position:absolute; right:0; top:calc(100% + 14px); min-width:270px; background:var(--surface); border:1px solid var(--rule); border-radius:6px; padding:8px 0; z-index:10;}
.more-menu.open{display:block;}
.more-label{display:block; padding:6px 16px 4px; font-size:12px; color:var(--ink-soft);}
.more-menu a{display:block; padding:9px 16px; font-size:14px; color:var(--ink); text-decoration:none;}
.more-menu a:hover, .more-menu a:focus-visible{color:var(--navy); background:var(--navy-soft); outline:none;}

/* h1 de página con el mismo aspecto que tenía el título (antes h2) */
main h1{font-family:'Newsreader',serif; font-size:29px; font-weight:600; margin:0 0 10px; letter-spacing:-0.01em;}
.content h2{font-family:'Newsreader',serif; font-weight:600; font-size:22px; color:var(--ink); margin:36px 0 10px;}