/* Coches al Día — sistema visual
   Asfalto #1C2330 · Azul señal #1452A6 · Arcén #EEF1F4 · Placa #FFFFFF · Línea #D3DAE2 · Aviso #E3A21A */
:root{
  --ink:#1C2330; --ink-2:#4A5566; --blue:#1452A6; --blue-d:#0E3C7C; --blue-l:#E6EEF9;
  --bg:#EEF1F4; --paper:#FFFFFF; --line:#D3DAE2; --warn:#E3A21A; --warn-l:#FDF4E1;
  --ok:#1F7A4D; --r1:6px; --r2:12px;
  --f-head:"Archivo",system-ui,sans-serif; --f-body:"Public Sans",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--f-body);font-size:17px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:var(--blue);text-underline-offset:2px}
a:hover{color:var(--blue-d)}
:focus-visible{outline:3px solid var(--warn);outline-offset:2px;border-radius:2px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--paper);padding:8px 12px;z-index:50}
.skip:focus{left:8px}

/* Cabecera */
.top{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.plate{display:inline-flex;align-items:stretch;border:2px solid var(--ink);border-radius:6px;overflow:hidden;text-decoration:none;color:var(--ink);background:#fff;height:36px}
.plate .eu{background:var(--blue);color:#fff;width:20px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:3px;font:700 11px/1 var(--f-head)}
.plate .eu i{width:9px;height:9px;border:1.5px dotted #F5C84C;border-radius:50%;margin-bottom:auto;margin-top:4px}
.plate .txt{font:800 17px/1 var(--f-head);font-stretch:88%;letter-spacing:.06em;padding:0 10px;display:flex;align-items:center;white-space:nowrap}
.nav{display:flex;gap:4px}
.nav a{color:var(--ink);text-decoration:none;font:600 15px var(--f-head);padding:10px 12px;border-radius:var(--r1)}
.nav a:hover,.nav a[aria-current]{background:var(--blue-l);color:var(--blue-d)}
.menu-btn{display:none;background:none;border:1.5px solid var(--line);border-radius:var(--r1);font:600 15px var(--f-head);color:var(--ink);padding:8px 12px;cursor:pointer}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;padding:8px 12px 14px}
  .nav.open{display:flex}
  .nav a{padding:12px}
}

/* Migas */
.crumbs{font-size:14px;color:var(--ink-2);padding:18px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.crumbs a{color:var(--ink-2)}

/* Portada: panel de señal */
.hero{padding:40px 0 48px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media (min-width:900px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:48px}.hero{padding:64px 0 72px}}
.hero h1{font:800 clamp(2.2rem,6.2vw,3.6rem)/1.04 var(--f-head);font-stretch:84%;letter-spacing:-.01em;max-width:14ch}
.hero p{font-size:1.1rem;color:var(--ink-2);margin-top:16px;max-width:44ch}
.sign{background:var(--blue);border-radius:14px;padding:10px;box-shadow:inset 0 0 0 3px #fff,0 0 0 1px var(--blue-d)}
.sign a{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#fff;text-decoration:none;padding:16px 14px;border-radius:8px;font:700 1.12rem/1.25 var(--f-head);font-stretch:92%}
.sign a+a{border-top:1px solid rgba(255,255,255,.28)}
.sign a:hover{background:rgba(255,255,255,.1);color:#fff}
.sign a small{display:block;font:400 .88rem/1.35 var(--f-body);color:#D5E3F7;margin-top:3px}
.sign svg{flex:0 0 22px;width:22px;height:22px}

/* Secciones de portada */
.band{padding:48px 0;border-top:1px solid var(--line)}
.band h2{font:800 1.9rem/1.1 var(--f-head);font-stretch:88%}
.band .intro{color:var(--ink-2);margin:8px 0 24px;max-width:60ch}
.cols{display:grid;gap:32px}
@media (min-width:760px){.cols{grid-template-columns:repeat(3,1fr)}}
.col h3{font:700 1.2rem var(--f-head);display:flex;align-items:center;gap:10px;margin-bottom:10px}
.col h3 span{width:10px;height:10px;border-radius:2px;background:var(--blue)}
.col ul{list-style:none}
.col li{border-top:1px solid var(--line)}
.col li a{display:block;padding:12px 0;text-decoration:none;color:var(--ink);font-weight:600}
.col li a span{display:block;font-weight:400;font-size:.92rem;color:var(--ink-2)}
.col li a:hover{color:var(--blue)}

/* Páginas de herramienta */
.page-head{padding:16px 0 20px;max-width:760px}
.page-head h1{font:800 clamp(1.9rem,5vw,2.8rem)/1.08 var(--f-head);font-stretch:86%;letter-spacing:-.005em}
.answer{font-size:1.1rem;margin-top:12px;color:var(--ink)}
.meta{font-size:.88rem;color:var(--ink-2);margin-top:10px}
.tool{display:grid;gap:20px;margin-bottom:40px}
@media (min-width:900px){.tool{grid-template-columns:1fr 400px;align-items:start}.tool .out{position:sticky;top:84px}}
.form{background:var(--paper);border:1px solid var(--line);border-radius:var(--r2);padding:22px}
.field{margin-bottom:18px}
.field:last-child{margin-bottom:0}
.field>label,.field>.lbl{display:block;font:700 .95rem var(--f-head);margin-bottom:6px}
.field .hint{font-size:.85rem;color:var(--ink-2);margin-top:5px}
.field input,.field select{width:100%;font:500 1.05rem var(--f-body);color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:var(--r1);padding:11px 12px;min-height:48px;-webkit-appearance:none;appearance:none}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);background-position:calc(100% - 18px) 21px,calc(100% - 13px) 21px;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
.field input:focus,.field select:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--blue-l)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:end}
.hint{font-size:.85rem;color:var(--ink-2)}
.row2 .field,.row2 .field:last-child{margin-bottom:18px}
.form>.row2:last-child .field{margin-bottom:0}
.form>.hint{margin:-4px 0 16px}
.seg{display:flex;border:1.5px solid var(--line);border-radius:var(--r1);overflow:hidden}
.seg button{flex:1;background:#fff;border:0;font:600 .95rem var(--f-head);color:var(--ink-2);padding:11px 6px;cursor:pointer;min-height:46px}
.seg button+button{border-left:1.5px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--blue);color:#fff}
.out{background:var(--ink);color:#fff;border-radius:var(--r2);padding:22px}
.out .label{font-size:.9rem;color:#B9C3D1}
.out .big{font:800 clamp(2.1rem,7vw,2.7rem)/1.1 var(--f-head);font-stretch:88%;margin:4px 0 14px;font-variant-numeric:tabular-nums}
.out dl{border-top:1px solid rgba(255,255,255,.16)}
.out dl div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.97rem}
.out dt{color:#B9C3D1}
.out dd{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.out .note{font-size:.85rem;color:#B9C3D1;margin-top:12px}
.out .flag{background:rgba(227,162,26,.16);border-left:3px solid var(--warn);padding:10px 12px;border-radius:4px;font-size:.9rem;margin-top:12px;color:#FBE7BD}
.badge{display:inline-flex;align-items:center;justify-content:center;min-width:92px;height:92px;border-radius:50%;font:800 1.7rem var(--f-head);margin:6px 0 14px;border:4px solid #fff}
.b-cero{background:#1D5DB8;color:#fff}.b-eco{background:linear-gradient(90deg,#1D5DB8 50%,#2E9A58 50%);color:#fff}
.b-c{background:#2E9A58;color:#fff}.b-b{background:#F2C230;color:#1C2330}.b-no{background:#5B6574;color:#fff;font-size:1rem;text-align:center;line-height:1.1;padding:8px}

/* Contenido */
.content{max-width:720px;padding-bottom:24px}
.content h2{font:800 1.6rem/1.15 var(--f-head);font-stretch:90%;margin:36px 0 10px}
.content h3{font:700 1.15rem var(--f-head);margin:24px 0 6px}
.content p{margin-bottom:14px}
.content ul,.content ol{margin:0 0 16px 22px}
.content li{margin-bottom:6px}
.table{overflow-x:auto;margin:8px 0 20px;border:1px solid var(--line);border-radius:var(--r1);background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:.95rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font:700 .9rem var(--f-head);background:#F6F8FA}
tr:last-child td{border-bottom:0}
td.n{font-variant-numeric:tabular-nums;white-space:nowrap}
.callout{background:var(--warn-l);border-left:4px solid var(--warn);padding:14px 16px;border-radius:4px;margin:20px 0;font-size:.97rem}
details{border-top:1px solid var(--line);padding:4px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font:700 1.05rem var(--f-head);padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:400;font-size:1.4rem;line-height:1;color:var(--blue)}
details[open] summary::after{content:"−"}
details p{padding-bottom:12px;margin:0}
.sources{font-size:.92rem;color:var(--ink-2)}
.sources li{margin-bottom:4px}
.related{border-top:1px solid var(--line);padding:28px 0 8px;margin-top:24px}
.related h2{margin-top:0}
.related ul{list-style:none;margin:0;display:grid;gap:0}
@media (min-width:640px){.related ul{grid-template-columns:1fr 1fr;column-gap:24px}}
.related li{border-top:1px solid var(--line);margin:0}
.related a{display:block;padding:12px 0;font-weight:600;text-decoration:none}

/* Índices de sección */
.list-tools{list-style:none;max-width:760px;margin-bottom:32px}
.list-tools li{border-top:1px solid var(--line)}
.list-tools li:last-child{border-bottom:1px solid var(--line)}
.list-tools a{display:block;padding:16px 0;text-decoration:none;color:var(--ink)}
.list-tools a b{font:700 1.15rem var(--f-head);color:var(--blue)}
.list-tools a span{display:block;color:var(--ink-2);margin-top:2px}

/* Pie */
.foot{background:var(--ink);color:#B9C3D1;margin-top:56px;padding:40px 0 32px;font-size:.93rem}
.foot .grid{display:grid;gap:28px}
@media (min-width:760px){.foot .grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.foot h3{font:700 1rem var(--f-head);color:#fff;margin-bottom:8px}
.foot ul{list-style:none}
.foot li{margin:6px 0}
.foot a{color:#DCE3EC;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot .plate{border-color:#fff;margin-bottom:12px}
.foot .legal{border-top:1px solid rgba(255,255,255,.14);margin-top:28px;padding-top:18px;font-size:.85rem}
.foot .legal a{display:inline-block;margin:0 18px 6px 0}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Guías */
.sub{font:800 1.35rem var(--f-head);font-stretch:90%;margin:8px 0 6px}
.cta{background:var(--blue-l);border:1px solid #C9D8EF;border-radius:var(--r2);padding:16px 18px;margin:4px 0 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.cta p{margin:0;max-width:44ch}
.cta b{display:block;font:700 1.05rem var(--f-head)}
.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;font:700 .98rem var(--f-head);padding:12px 18px;border-radius:var(--r1);white-space:nowrap}
.btn:hover{background:var(--blue-d);color:#fff}