:root {
  --paper: oklch(97.2% 0.004 250);
  --paper-2: oklch(93.5% 0.006 250);
  --card: oklch(99.5% 0.002 250);
  --ink: oklch(24% 0.035 258);
  --ink-2: oklch(44% 0.025 258);
  --line: oklch(84% 0.012 250);
  --sticker: oklch(89% 0.165 98);   /* solo como fondo, siempre con --ink encima */
  --ok: oklch(47% 0.12 150);
  --warn: oklch(47% 0.11 65);
  --bad: oklch(48% 0.18 27);
  --display: "Archivo", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 1.0625rem/1.6 var(--body); }
a { color: inherit; text-underline-offset: .2em; }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.wrap { max-width: 74rem; margin: 0 auto; padding-inline: var(--gutter); }
.narrow { max-width: 46rem; }

/* cabecera */
.top { border-bottom: 1px solid var(--line); background: var(--paper); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4rem; }
.brand { font: 800 1.05rem/1 var(--display); font-stretch: 115%; text-decoration: none; letter-spacing: -.01em; }
.top nav { display: flex; gap: 1.25rem; align-items: center; font-size: .95rem; }
.top nav a { text-decoration: none; }
.top nav a:hover { text-decoration: underline; }
.top .btn-wa { background: var(--ink); color: var(--paper); padding: .6rem .9rem; border-radius: 2px; font-weight: 600; }
.top .btn-wa:hover { text-decoration: none; background: oklch(32% 0.04 258); }
@media (max-width: 560px) { .top nav .hide-sm { display: none; } }

/* portada */
.hero {
  padding: clamp(3rem, 9vw, 7rem) 0 clamp(4rem, 10vw, 8rem);
  background-image:
    linear-gradient(var(--paper-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-2) 1px, transparent 1px);
  background-size: 28px 28px;
  border-bottom: 2px solid var(--ink);
}
h1, h2, h3 { font-family: var(--display); font-weight: 800; letter-spacing: -.02em; margin: 0; }
.hero h1 { font-stretch: 118%; font-size: clamp(2.6rem, 8.2vw, 6.6rem); line-height: .94; max-width: 13ch; }
.lead { font-size: clamp(1.1rem, 1.6vw, 1.3rem); max-width: 40rem; margin: 1.75rem 0 2.5rem; color: var(--ink-2); }
.lead strong { color: var(--ink); }

.slot { background: var(--card); border: 2px solid var(--ink); padding: clamp(1rem, 2.5vw, 1.5rem); max-width: 46rem; box-shadow: 6px 6px 0 var(--ink); }
.slot label { display: block; font: 500 .78rem/1 var(--mono); letter-spacing: .22em; text-transform: uppercase; margin-bottom: .75rem; }
.slot-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.slot input { flex: 1 1 16rem; min-width: 0; font: 500 1.15rem/1 var(--mono); padding: .95rem 1rem; border: 1px solid var(--ink-2); border-radius: 2px; background: var(--paper); color: var(--ink); }
.slot input::placeholder { color: oklch(58% 0.015 258); }
button, .btn { font: 800 1.05rem/1 var(--display); font-stretch: 110%; background: var(--sticker); color: var(--ink); border: 2px solid var(--ink); border-radius: 2px; padding: .95rem 1.4rem; cursor: pointer; min-height: 48px; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
button:hover, .btn:hover { background: oklch(84% 0.17 98); }
@media (max-width: 560px) { .slot button { flex: 1 1 100%; } }
button[disabled] { opacity: .6; cursor: progress; }
.fine { font-size: .85rem; color: var(--ink-2); margin: .9rem 0 0; }

/* informe */
.report { margin-top: 2rem; max-width: 46rem; background: var(--card); border: 2px solid var(--ink); }
.report-head { background: var(--ink); color: var(--paper); padding: .9rem 1.1rem; display: flex; justify-content: space-between; gap: .5rem 1rem; flex-wrap: wrap; font: 500 .85rem/1.3 var(--mono); }
.report-head strong { font: 800 1rem/1.3 var(--display); font-stretch: 112%; }
.report-head span { overflow-wrap: anywhere; }
.verdict { padding: 1.25rem 1.1rem; border-bottom: 1px solid var(--line); border-left: 10px solid var(--v, var(--ok)); }
.verdict h2 { font-size: clamp(1.4rem, 3.2vw, 1.9rem); font-stretch: 110%; }
.verdict p { margin: .4rem 0 0; color: var(--ink-2); }
.checks { list-style: none; margin: 0; padding: 0; }
.checks li { display: grid; grid-template-columns: 1fr auto; gap: .2rem 1rem; padding: .85rem 1.1rem; border-bottom: 1px solid var(--line); }
.checks .name { font-weight: 600; }
.checks .detail { grid-column: 1 / -1; color: var(--ink-2); font-size: .95rem; overflow-wrap: anywhere; }
.tag { font: 600 .75rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; border: 1.5px solid currentColor; padding: .35rem .5rem; border-radius: 2px; align-self: start; white-space: nowrap; }
.s-ok { color: var(--ok); } .s-warn { color: var(--warn); } .s-bad { color: var(--bad); } .s-info { color: var(--ink-2); }
.report-cta { padding: 1.25rem 1.1rem; display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; }
.report-cta p { margin: 0; flex: 1 1 100%; }
.btn-line { background: transparent; }
.btn-line:hover { background: var(--paper-2); }
.error { padding: 1.1rem; color: var(--bad); font-weight: 600; margin: 0; }

/* secciones */
section.block { padding: clamp(4rem, 10vw, 8rem) 0; }
section.block + section.block { border-top: 1px solid var(--line); }
.block h2 { font-size: clamp(1.9rem, 4.6vw, 3.3rem); font-stretch: 112%; line-height: 1; max-width: 20ch; }
.block .intro { color: var(--ink-2); max-width: 40rem; margin: 1rem 0 0; }

.cases { margin-top: 3rem; border-top: 2px solid var(--ink); }
.case { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1rem 3rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.case h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-stretch: 108%; line-height: 1.1; }
.case p { margin: 0; }
@media (max-width: 760px) { .case { grid-template-columns: 1fr; } }

.fact { background: var(--ink); color: var(--paper); padding: clamp(4rem, 10vw, 8rem) 0; }
.fact blockquote { margin: 0; font: 800 clamp(1.8rem, 4.8vw, 3.6rem)/1.05 var(--display); font-stretch: 112%; letter-spacing: -.02em; max-width: 22ch; }
.fact p { max-width: 40rem; color: oklch(86% 0.012 250); margin: 1.75rem 0 0; }
.fact a { color: var(--paper); }

.steps { list-style: none; counter-reset: s; margin: 3rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.steps li { counter-increment: s; padding: 1.5rem 1.5rem 0 0; }
.steps li + li { padding-left: 1.5rem; border-left: 1px solid var(--line); }
.steps li::before { content: counter(s); display: block; font: 500 2.6rem/1 var(--mono); margin-bottom: 1rem; }
.steps h3 { font-size: 1.2rem; font-stretch: 108%; margin-bottom: .5rem; }
.steps p { margin: 0; color: var(--ink-2); font-size: .98rem; }
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li:nth-child(3) { padding-left: 0; border-left: 0; }
  .steps li { padding-bottom: 1.5rem; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li { padding-left: 0; border-left: 0; border-bottom: 1px solid var(--line); }
}

.prices { margin-top: 3rem; border-top: 2px solid var(--ink); }
.price { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .5rem 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.price h3 { font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-stretch: 108%; }
.price .amount { font: 800 clamp(1.8rem, 4vw, 2.8rem)/1 var(--display); font-stretch: 112%; white-space: nowrap; }
.price .amount small { font: 500 .9rem/1 var(--mono); letter-spacing: 0; }
.price p { grid-column: 1 / -1; margin: 0; color: var(--ink-2); max-width: 44rem; }
.price.main { background: var(--card); padding-inline: 1.25rem; border: 2px solid var(--ink); border-top: 0; }
.note { font-size: .9rem; color: var(--ink-2); margin-top: 1.25rem; }

.guide-list { list-style: none; margin: 2.5rem 0 0; padding: 0; border-top: 2px solid var(--ink); }
.guide-list li { border-bottom: 1px solid var(--line); }
.guide-list a { display: block; padding: 1.25rem 0; text-decoration: none; }
.guide-list a strong { display: block; font: 800 1.2rem/1.25 var(--display); font-stretch: 106%; }
.guide-list a span { color: var(--ink-2); font-size: .95rem; }
.guide-list a:hover strong { text-decoration: underline; }

.faq { margin-top: 2.5rem; border-top: 2px solid var(--ink); max-width: 52rem; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 1.2rem 2rem 1.2rem 0; font-weight: 600; font-size: 1.08rem; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .25rem; top: 1rem; font: 500 1.5rem/1 var(--mono); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 1.25rem; color: var(--ink-2); max-width: 46rem; }

.contact { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 3rem; margin-top: 2.5rem; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
.contact-side p { color: var(--ink-2); margin: 0 0 1.25rem; }
.contact-side .tel { font: 500 1.4rem/1.2 var(--mono); color: var(--ink); text-decoration: none; display: inline-block; margin-bottom: 1.25rem; }
.lead-form { background: var(--card); border: 2px solid var(--ink); padding: clamp(1.1rem, 3vw, 2rem); display: grid; gap: 1.1rem; }
.lead-form label { display: grid; gap: .4rem; font-weight: 600; font-size: .95rem; }
.lead-form input, .lead-form select, .lead-form textarea { font: 400 1rem/1.4 var(--body); padding: .8rem .9rem; border: 1px solid var(--ink-2); border-radius: 2px; background: var(--paper); color: var(--ink); width: 100%; }
.lead-form .check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; }
.lead-form .check input { width: auto; margin-top: .3rem; }
.hidden { position: absolute; left: -9999px; }

/* guías */
.article { padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(4rem, 9vw, 7rem); }
.article h1 { font-stretch: 112%; font-size: clamp(2rem, 5.4vw, 3.6rem); line-height: 1.02; }
.byline { font: 500 .85rem/1.4 var(--mono); color: var(--ink-2); margin: 1.25rem 0 2.5rem; }
.article h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-stretch: 108%; margin: 2.75rem 0 .9rem; line-height: 1.1; }
.article p, .article li { max-width: 42rem; }
.article li { margin-bottom: .5rem; }
.article pre { white-space: pre-wrap; background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--ink); padding: 1.1rem; font: 400 .92rem/1.55 var(--mono); max-width: 42rem; }
.article table { border-collapse: collapse; width: 100%; max-width: 42rem; margin: 1rem 0; font-size: .97rem; }
.article th, .article td { text-align: left; padding: .7rem .5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.article th { border-bottom: 2px solid var(--ink); }
.cta-box { margin-top: 3rem; padding: 1.5rem; background: var(--sticker); border: 2px solid var(--ink); max-width: 42rem; }
.cta-box p { margin: 0 0 1rem; font-weight: 600; }
.cta-box .btn { background: var(--ink); color: var(--paper); }
.crumbs { font: 500 .85rem/1 var(--mono); padding-top: 1.5rem; }
.crumbs a { color: var(--ink-2); }

footer.foot { border-top: 2px solid var(--ink); padding: 2.5rem 0 3rem; font-size: .9rem; color: var(--ink-2); }
footer.foot .wrap { display: grid; gap: .75rem; }
footer.foot nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
footer.foot p { margin: 0; }