html{color-scheme:light}body{margin:0}img{max-width:100%}[hidden]{display:none!important}
/* Layout: plano de obra. Papel de plano con tinta azul, cotas en mono y un único naranja de señalización para las acciones. */
:root{
  --paper:#f3f4ef; --sheet:#ffffff; --ink:#14213a; --ink-soft:#4a5670;
  --line:#c9cfd9; --grid:rgba(31,64,140,.07); --blue:#1f408c; --signal:#e8590c; --signal-ink:#ffffff;
  --ok:#1d7a4a;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0f1626; --sheet:#16203a; --ink:#e7ebf3; --ink-soft:#a3aec4; --line:#2c3a5c; --grid:rgba(120,160,255,.06);
  --blue:#8fb0ff; --signal:#ff7a2e; --signal-ink:#1a0d04; --ok:#4fd18a; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0f1626; --sheet:#16203a; --ink:#e7ebf3; --ink-soft:#a3aec4; --line:#2c3a5c; --grid:rgba(120,160,255,.06);
  --blue:#8fb0ff; --signal:#ff7a2e; --signal-ink:#1a0d04; --ok:#4fd18a; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:24px 24px}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--sheet)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--blue)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;line-height:1.05;margin:0}
p{margin:0}
.mono{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}

/* Header */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:9;background:var(--sheet);border-bottom:2px solid var(--ink)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand b{font-family:var(--f-display);font-stretch:75%;font-weight:900;font-size:1.45rem;letter-spacing:.01em;text-transform:uppercase}
.brand svg{flex:none}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{font-family:var(--f-display);font-weight:700;font-stretch:90%;text-decoration:none;color:var(--ink);padding:8px 12px;border:2px solid transparent;font-size:.95rem}
nav a:hover{border-color:var(--line)}
nav a[aria-current="page"]{border-color:var(--ink)}
nav a.cta{background:var(--signal);color:var(--signal-ink);border-color:var(--signal)}

main section[data-page]{padding-block:48px 72px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:800;font-stretch:90%;font-size:1.05rem;
  padding:14px 22px;border:2px solid var(--ink);background:var(--sheet);color:var(--ink);text-decoration:none;cursor:pointer}
.btn.primary{background:var(--signal);border-color:var(--signal);color:var(--signal-ink)}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--ink)}
@media (prefers-reduced-motion:reduce){.btn:hover{transform:none}}

/* Hero */
.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.6rem,7vw,5.4rem);font-weight:900;font-stretch:72%;text-transform:uppercase;letter-spacing:-.005em}
.hero h1 em{font-style:normal;color:var(--signal)}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:58ch;margin-top:18px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.plan{background:var(--sheet);border:2px solid var(--ink);padding:18px;position:relative}
.plan .browser{border:1.5px solid var(--line)}
.plan .browser .top{display:flex;gap:5px;padding:7px;border-bottom:1.5px solid var(--line)}
.plan .browser .top i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.plan .mock{padding:14px;display:grid;gap:8px}
.plan .mock .t{height:16px;width:70%;background:var(--ink)}
.plan .mock .s{height:8px;background:var(--line)}
.plan .mock .s.w{width:55%}
.plan .mock .row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:6px}
.plan .mock .row span{aspect-ratio:4/3;background:var(--grid);border:1.5px dashed var(--line)}
.plan .mock .b{height:26px;width:42%;background:var(--signal);margin-top:6px}
.cota{display:flex;align-items:center;gap:8px;margin-top:10px;color:var(--blue)}
.cota::before,.cota::after{content:"";flex:1;height:0;border-top:1.5px solid currentColor}
.cota span{font-family:var(--f-mono);font-size:.72rem}

.strip{display:grid;grid-template-columns:repeat(4,1fr);border:2px solid var(--ink);background:var(--sheet);margin-top:56px}
.strip div{padding:18px;border-right:1.5px solid var(--line);min-width:0}
.strip div:last-child{border-right:0}
.strip strong{display:block;font-family:var(--f-display);font-size:1.15rem;font-weight:800;margin:4px 0}
.strip p{font-size:.92rem;color:var(--ink-soft)}

.h2{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:900;font-stretch:78%;text-transform:uppercase}
.sec-head{display:grid;gap:12px;margin-bottom:28px;max-width:70ch}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.step{border-top:3px solid var(--ink);padding-top:12px}
.step h3{font-size:1.2rem;font-weight:800;margin:6px 0}
.step p{color:var(--ink-soft);font-size:.95rem}

/* SEO */
.seo-hero{border:2px solid var(--ink);background:var(--sheet);padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.seo-hero h1{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:900;font-stretch:72%;text-transform:uppercase}
.serp{border:1.5px solid var(--line);padding:16px;background:var(--paper);display:grid;gap:14px;min-width:0}
.serp .q{font-family:var(--f-mono);font-size:.85rem;border:1.5px solid var(--line);padding:8px 12px;background:var(--sheet);border-radius:999px;overflow-wrap:anywhere}
.serp .r{display:grid;gap:2px}
.serp .r .u{font-family:var(--f-mono);font-size:.72rem;color:var(--ok)}
.serp .r .tt{color:var(--blue);font-weight:700}
.serp .r .d{font-size:.85rem;color:var(--ink-soft)}
.serp .r.you{outline:2px solid var(--signal);outline-offset:6px}
.serp .r.dim{opacity:.45}
.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px}
.col{background:var(--sheet);border:1.5px solid var(--line);padding:22px;min-width:0}
.col h3{font-size:1.25rem;font-weight:800;margin-bottom:8px}
.col p{color:var(--ink-soft);font-size:.95rem}
.check{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 28px}
.check li{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:10px 0;border-bottom:1.5px dashed var(--line)}
.check li::before{content:"✓";font-weight:800;color:var(--signal)}
.band{margin-top:48px;background:var(--ink);color:var(--paper);padding:28px;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.band h3{font-size:1.6rem;font-weight:900;font-stretch:80%;text-transform:uppercase}
.band p{color:var(--line)}

/* Oficios */
.trades{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.trade{background:var(--sheet);border:2px solid var(--ink);display:grid;grid-template-rows:auto 1fr auto;min-width:0}
.trade .th{display:flex;align-items:center;gap:14px;padding:18px 22px;border-bottom:2px solid var(--ink)}
.trade .th svg{flex:none;color:var(--signal)}
.trade h3{font-size:1.6rem;font-weight:900;font-stretch:78%;text-transform:uppercase}
.trade .tb{padding:18px 22px;display:grid;gap:12px;align-content:start}
.trade .tb p{color:var(--ink-soft)}
.trade ul{margin:0;padding-left:18px;display:grid;gap:4px}
.trade .tf{padding:14px 22px;border-top:1.5px dashed var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.tag{font-family:var(--f-mono);font-size:.72rem;padding:3px 8px;border:1.5px solid var(--line);text-transform:uppercase;letter-spacing:.05em}
.trade .tf a{font-family:var(--f-display);font-weight:800;color:var(--signal);text-decoration:none}

/* Presupuesto */
.quote{display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:start}
form{background:var(--sheet);border:2px solid var(--ink);padding:28px;display:grid;gap:18px;min-width:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:grid;gap:6px;font-weight:600;font-size:.95rem}
label small{font-weight:400;color:var(--ink-soft)}
input,select,textarea{font:inherit;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);padding:11px 12px;width:100%;border-radius:0}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px var(--grid)}
textarea{min-height:120px;resize:vertical}
fieldset{border:1.5px solid var(--line);padding:12px 14px;margin:0}
legend{font-weight:600;font-size:.95rem;padding:0 6px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{display:flex;align-items:center;gap:6px;font-weight:400;border:1.5px solid var(--line);padding:6px 10px;cursor:pointer}
.chips input{width:auto}
.err{color:var(--signal);font-size:.9rem;font-weight:600}
aside.contact{display:grid;gap:16px}
.card{background:var(--sheet);border:1.5px solid var(--line);padding:20px;display:grid;gap:8px;min-width:0}
.big{font-family:var(--f-display);font-weight:900;font-stretch:85%;font-size:1.5rem;user-select:all;overflow-wrap:anywhere}
.copy{font:inherit;font-size:.85rem;font-weight:600;background:none;border:1.5px solid var(--line);color:var(--ink);padding:6px 10px;cursor:pointer;justify-self:start}
.result{border:2px solid var(--ok);background:var(--sheet);padding:22px;display:grid;gap:14px}
.result pre{white-space:pre-wrap;font-family:var(--f-mono);font-size:.85rem;background:var(--paper);border:1.5px solid var(--line);padding:14px;margin:0;max-height:320px;overflow:auto}
.result .actions{margin-top:0}

/* Página de gracias (vuelta de Stripe) */
.thanks{background:var(--sheet);border:3px solid var(--ok);padding:36px;display:grid;gap:16px;max-width:760px}
.thanks h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:900;font-stretch:75%;text-transform:uppercase}

footer{border-top:2px solid var(--ink);background:var(--sheet)}
footer .wrap{padding-block:24px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.9rem;color:var(--ink-soft)}

@media (max-width:860px){
  .hero,.seo-hero,.quote,.trades{grid-template-columns:1fr}
  .strip,.steps{grid-template-columns:1fr 1fr}
  .strip div:nth-child(2){border-right:0}
  .strip div:nth-child(-n+2){border-bottom:1.5px solid var(--line)}
  .cols{grid-template-columns:1fr}
  .check{grid-template-columns:1fr}
  .seo-hero{padding:22px}
}
@media (max-width:520px){
  .strip,.steps,.grid2{grid-template-columns:1fr}
  .strip div{border-right:0;border-bottom:1.5px solid var(--line)}
  .strip div:last-child{border-bottom:0}
  form{padding:18px}
  nav a{padding:6px 8px;font-size:.88rem}
}