/* Layout: columna única de lectura con bandas a lo ancho; datos técnicos en mono, como una ficha de servicio */
:root{
  --bg:#f5f7f6; --surface:#ffffff; --ink:#0f2233; --muted:#536473; --line:#d5dde2;
  --accent:#e0751b; --accent-ink:#ffffff; --signal:#1f7a5a; --warn:#b7791f; --soft:#e8eef1;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:10px; --max:1120px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0c1620; --surface:#122130; --ink:#e7eef3; --muted:#9db0bf; --line:#22384a;
  --accent:#f08a35; --accent-ink:#1a0e03; --signal:#4cc79b; --warn:#e3b04f; --soft:#17293a; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0c1620; --surface:#122130; --ink:#e7eef3; --muted:#9db0bf; --line:#22384a;
  --accent:#f08a35; --accent-ink:#1a0e03; --signal:#4cc79b; --warn:#e3b04f; --soft:#17293a; color-scheme:dark}

*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--f-body)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--surface)}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);line-height:1.1;text-wrap:balance;margin:0}
h1{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:800;letter-spacing:-.01em;font-stretch:90%}
h2{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700}
h3{font-size:1.15rem;font-weight:700}
p{margin:0}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.eyebrow{font:600 .75rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* aviso de muestra */
.demo-bar{background:var(--ink);color:var(--bg);font-size:.85rem}
.demo-bar .wrap{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:space-between;padding-block:8px}
.demo-bar a{color:var(--bg);font-weight:600}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 1.2rem/1 var(--f-display);letter-spacing:-.01em}
.brand svg{flex:none}
.nav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.nav a{text-decoration:none;padding:8px 12px;border-radius:8px;font-weight:500;color:var(--muted)}
.nav a:hover{color:var(--ink);background:var(--soft)}
.nav a[aria-current="page"]{color:var(--ink);background:var(--soft)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 12px;font:600 .9rem var(--f-body)}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;padding:8px max(16px,env(safe-area-inset-left,0px))}
  .nav.open{display:flex}
}

/* botones */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;font:600 1rem var(--f-body);text-decoration:none;border:1.5px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;gap:12px}

/* secciones */
section{padding-block:clamp(48px,7vw,88px)}
.band{background:var(--surface);border-block:1px solid var(--line)}
.stack{display:grid;gap:16px}
.head{display:grid;gap:12px;margin-bottom:32px;max-width:70ch}

/* hero */
.hero{padding-block:clamp(40px,6vw,72px)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-copy{display:grid;gap:20px;min-width:0}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}

/* ficha de enlace */
.spec{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.spec-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);font:600 .8rem var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.dot{display:inline-flex;align-items:center;gap:6px;color:var(--signal)}
.dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--signal)}
.spec dl{margin:0;display:grid;grid-template-columns:auto 1fr}
.spec dt,.spec dd{margin:0;padding:12px 18px;border-bottom:1px solid var(--line)}
.spec dt{color:var(--muted);font-size:.9rem}
.spec dd{text-align:right;font:600 1rem var(--f-mono);font-variant-numeric:tabular-nums}
.spec dl>*:nth-last-child(-n+2){border-bottom:0}

/* grillas */
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;display:grid;gap:10px;align-content:start}
.card .mono{color:var(--muted);font-size:.85rem}
.figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:0;border-top:1px solid var(--line)}
.figures div{padding:20px 0;border-bottom:1px solid var(--line);display:grid;gap:4px}
.figures b{font:700 2rem/1 var(--f-display)}
.figures span{color:var(--muted);font-size:.9rem}

/* tabla de planes */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface)}
table{border-collapse:collapse;width:100%;min-width:640px}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font:600 .75rem var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
td.num{font-family:var(--f-mono);font-variant-numeric:tabular-nums;white-space:nowrap}
tr:last-child td{border-bottom:0}

/* chips de estado */
.chip{display:inline-block;padding:3px 10px;border-radius:999px;font:600 .75rem var(--f-mono);letter-spacing:.04em;border:1px solid currentColor}
.chip.ok{color:var(--signal)} .chip.obra{color:var(--warn)} .chip.prox{color:var(--muted)}

/* cobertura */
.check{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.check input{flex:1 1 240px}
.result{min-height:1.6em;font-weight:600}
.zones{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0;border-top:1px solid var(--line)}
.zones li{list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);margin-right:24px}
.zones{padding:0;margin:0}

/* formulario */
form{display:grid;gap:16px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:620px){.row{grid-template-columns:1fr}}
label{display:grid;gap:6px;font-weight:600;font-size:.95rem}
label small{font-weight:400;color:var(--muted)}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1.5px solid var(--line);border-radius:8px;padding:11px 12px;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent);outline:none}
[aria-invalid="true"]{border-color:#c0392b}
.err{color:#c0392b;font-size:.85rem;font-weight:500;min-height:1.2em}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.status{padding:14px 16px;border-radius:8px;border:1px solid var(--line);background:var(--soft)}
.contact-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:32px}
.contact-grid>*{min-width:0}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}}
.info{display:grid;gap:16px;align-content:start}
.info .card p{color:var(--muted)}

/* novedades */
.news{display:grid;gap:0;border-top:1px solid var(--line)}
.news article{display:grid;grid-template-columns:140px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.news time{font:500 .85rem var(--f-mono);color:var(--muted)}
.news p{color:var(--muted)}
@media (max-width:620px){.news article{grid-template-columns:1fr;gap:4px}}

/* pie */
footer{border-top:1px solid var(--line);background:var(--surface);font-size:.9rem;color:var(--muted)}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between;padding-block:28px}
footer button{background:none;border:0;padding:0;color:inherit;text-decoration:underline;cursor:pointer;font:inherit}

/* cookies */
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:20;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(0,0,0,.08);padding-bottom:env(safe-area-inset-bottom,0px)}
.cookie .wrap{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;justify-content:space-between;padding-block:16px}
.cookie p{max-width:70ch;font-size:.92rem}

@media (prefers-reduced-motion:no-preference){.btn,.nav a{transition:background .15s,filter .15s,border-color .15s}}