/* Trámite Claro — hoja de estilos única, sin dependencias externas */
:root {
  --ink: #18212b;
  --ink-2: #3b4652;
  --muted: #5d6773;
  --bg: #fbfaf6;
  --surface: #ffffff;
  --line: #e3dfd6;
  --accent: #0d6e64;
  --accent-ink: #0a5a52;
  --accent-soft: #e5f1ee;
  --note-bg: #fff5e3;
  --note-line: #e9c98f;
  --note-ink: #6b4500;
  --ph-bg: #fff1a8;
  --radius: 10px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Charter, Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --wrap: 1080px;
  --read: 700px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 var(--sans);
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent-ink); text-underline-offset: 2px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.read { max-width: var(--read); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Cabecera */
.site-header { border-bottom: 1px solid var(--line); background: var(--surface); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { white-space: nowrap; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 700 1.2rem/1 var(--serif); letter-spacing: -0.01em; }
.brand svg { width: 28px; height: 28px; flex: none; }
.nav { display: flex; gap: 20px; font-size: .95rem; }
.nav a { color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.nav a.all { display: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--accent-ink); text-decoration: underline; }

/* Tipografía */
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; letter-spacing: -0.01em; color: var(--ink); }
h1 { font-size: clamp(1.9rem, 4.2vw, 2.6rem); margin: .2em 0 .35em; }
h2 { font-size: 1.55rem; margin: 2.2em 0 .6em; padding-top: .2em; scroll-margin-top: 16px; }
h3 { font-size: 1.2rem; margin: 1.6em 0 .4em; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.3em; margin: 0 0 1.1em; }
li { margin: .3em 0; }
strong { font-weight: 650; }
.lead { font-size: 1.15rem; color: var(--ink-2); }
.small { font-size: .9rem; color: var(--muted); }

/* Portada */
.hero { padding-top: 56px; padding-bottom: 8px; }
.hero h1 { max-width: 16ch; }
.hero .lead { max-width: 56ch; }
.section-title { font-size: 1.35rem; margin: 2.4em 0 .8em; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 16px; display: flex; flex-direction: column; gap: 6px; }
.card h3 { margin: 0; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card a.stretch { text-decoration: none; color: inherit; }
.card a.stretch::after { content: ""; position: absolute; inset: 0; }
.card.link { position: relative; transition: border-color .15s, transform .15s; }
.card.link:hover { border-color: var(--accent); transform: translateY(-1px); }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent-ink); }
.tag.soon { background: #eeece6; color: var(--muted); }
.feature { display: grid; gap: 20px; grid-template-columns: 1fr; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.feature h3 { font-size: 1.45rem; margin: 6px 0; }
.feature .stats { display: flex; flex-wrap: wrap; gap: 24px; margin-top: 8px; }
.feature .stat b { display: block; font: 700 1.5rem/1.1 var(--serif); color: var(--accent-ink); }
.feature .stat span { font-size: .85rem; color: var(--muted); }
.principles { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-bottom: 8px; }
.principles div { border-top: 3px solid var(--accent); padding-top: 12px; }
.principles h3 { margin: 0 0 4px; font-size: 1.05rem; }
.principles p { color: var(--muted); font-size: .95rem; margin: 0; }

/* Artículo */
.crumbs { font-size: .88rem; color: var(--muted); margin: 24px 0 0; }
.crumbs a { color: var(--muted); }
.crumbs span[aria-hidden] { margin: 0 6px; }
.meta { font-size: .92rem; color: var(--muted); margin-bottom: 20px; }
.answer { background: var(--accent-soft); border-left: 4px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0; padding: 16px 20px; margin: 0 0 24px; }
.answer p:last-child { margin: 0; }
.answer .label { display: block; font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-ink); margin-bottom: 4px; }
.toc { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 12px 18px; margin: 0 0 8px; }
.toc summary { cursor: pointer; font-weight: 650; }
.toc ol { margin: 10px 0 4px; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.req { counter-reset: r; list-style: none; padding: 0; }
.req li { counter-increment: r; position: relative; padding-left: 2.3em; margin: .7em 0; }
.req li::before { content: counter(r); position: absolute; left: 0; top: .1em; width: 1.6em; height: 1.6em; border-radius: 50%; background: var(--ink); color: #fff; font-size: .8rem; font-weight: 700; display: grid; place-items: center; }
.tip { background: var(--note-bg); border: 1px solid var(--note-line); color: var(--note-ink); border-radius: var(--radius); padding: 14px 18px; margin: 20px 0; }
.tip strong { color: #4f3300; }
.table-wrap { overflow-x: auto; margin: 0 0 1.2em; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
caption { text-align: left; font-weight: 650; padding: 12px 14px 4px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 650; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.cases { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin: 0 0 1em; }
.case { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.case h3 { margin: 0 0 6px; font-size: 1.08rem; }
.case .calc { font-variant-numeric: tabular-nums; font-size: .95rem; color: var(--ink-2); border-top: 1px dashed var(--line); margin-top: 10px; padding-top: 10px; }
.case .total { font: 700 1.35rem/1.2 var(--serif); color: var(--accent-ink); }
.steps { counter-reset: s; list-style: none; padding: 0; }
.steps > li { counter-increment: s; position: relative; padding: 0 0 18px 3em; margin: 0; border-left: 2px solid var(--line); margin-left: 1em; }
.steps > li:last-child { border-left-color: transparent; }
.steps > li::before { content: counter(s); position: absolute; left: -1em; top: 0; width: 2em; height: 2em; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: .9rem; }
.steps strong { display: block; }
.shot { border: 2px dashed #c9a400; background: #fffbe0; color: #6b5800; border-radius: var(--radius); padding: 14px; font-size: .9rem; margin: 8px 0 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 650; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: -2px; font-size: 1.3rem; color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 8px 0 0; color: var(--ink-2); }
.sources li { margin: .4em 0; }
.author { display: flex; gap: 14px; align-items: flex-start; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; margin: 32px 0 16px; }
.avatar { flex: none; width: 48px; height: 48px; border-radius: 50%; background: var(--accent-soft); color: var(--accent-ink); display: grid; place-items: center; font: 700 1.1rem/1 var(--serif); }
.author p { margin: 0; font-size: .95rem; color: var(--ink-2); }
.disclaimer { font-size: .9rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; }
.ph { background: var(--ph-bg); padding: 0 3px; border-radius: 3px; }
.ad-slot { margin: 28px 0; }

/* Páginas legales */
.legal h2 { font-size: 1.25rem; margin-top: 1.8em; }

/* Pie */
.site-footer { margin-top: 72px; border-top: 1px solid var(--line); background: var(--surface); padding: 32px 0 40px; font-size: .92rem; color: var(--muted); }
.site-footer .cols { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-footer a { color: var(--ink-2); }
.site-footer .independent { max-width: 46ch; }

@media (min-width: 760px) {
  .feature { grid-template-columns: 1.4fr 1fr; align-items: center; }
}
@media (max-width: 560px) {
  body { font-size: 16.5px; }
  .nav { gap: 14px; font-size: .9rem; }
  .hero { padding-top: 32px; padding-bottom: 0; }
  .brand span { font-size: 1rem; }
  .site-header .wrap { gap: 8px; padding: 0 14px; }
  .nav { gap: 12px; font-size: .85rem; }
  .nav a { display: none; }
  .nav a.all { display: inline; font-weight: 600; }
  .brand svg { width: 24px; height: 24px; }
  .compare { font-size: .88rem; }
  .compare th, .compare td { padding: 9px 10px; }
  .table-wrap table.yr th:nth-child(3), .table-wrap table.yr td:nth-child(3) { display: none; }
}
@media print {
  .site-header, .site-footer, .toc, .ad-slot { display: none; }
}

/* Guías relacionadas y comparativa */
.related { margin: 32px 0 0; }
.related h2 { font-size: 1.2rem; margin: 0 0 .4em; }
.compare td:first-child { font-weight: 600; color: var(--ink-2); }
.status { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 14px 18px; margin: 0 0 20px; }
.status b { color: var(--accent-ink); }

.all-guides { list-style: none; padding: 0; columns: 2 340px; column-gap: 32px; }
.all-guides li { break-inside: avoid; margin: 0 0 12px; }
.all-guides .tag { margin-right: 6px; vertical-align: 1px; }

.yes { color: var(--accent-ink); font-weight: 600; }
.nope { color: #b42318; font-weight: 600; }
/* Menú: con 7 secciones, por debajo de 960px se muestra solo «Temas» */
@media (max-width: 960px) {
  .nav a { display: none; }
  .nav a.all { display: inline; font-weight: 600; }
}