/* Estilo compartido de guías: documento de una columna (~68ch) con la identidad de la calculadora */
:root {
  --bg: #eceff1; --surface: #ffffff; --ink: #1b242b; --muted: #5b6872; --line: #d3dade;
  --copper: #a8521f; --copper-soft: #f6e6dc; --on-copper: #ffffff;
  --warn-bg: #fff3d6; --warn-ink: #7a4b00; --warn-line: #e9c77a;
  --font-display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --font-body: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --bg: #11161a; --surface: #1a2227; --ink: #e5eaed; --muted: #94a2ab; --line: #2b363d; --copper: #e38b58; --copper-soft: #3a2519; --on-copper: #1a1009; --warn-bg: #33270f; --warn-ink: #f2c873; --warn-line: #6b5420; color-scheme: dark; }
}
:root[data-theme="dark"] { --bg: #11161a; --surface: #1a2227; --ink: #e5eaed; --muted: #94a2ab; --line: #2b363d; --copper: #e38b58; --copper-soft: #3a2519; --on-copper: #1a1009; --warn-bg: #33270f; --warn-ink: #f2c873; --warn-line: #6b5420; color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 17px; line-height: 1.65; }
.wrap { max-width: 780px; margin: 0 auto; padding-inline: 16px; padding-block: 20px 56px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 20px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--copper); }
.nav { display: flex; gap: 16px; flex-wrap: wrap; font-weight: 600; }
a { color: var(--copper); text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(32px, 6vw, 46px); }
h2 { font-size: 26px; margin-top: 36px; margin-bottom: 8px; }
h3 { font-size: 20px; margin-top: 22px; margin-bottom: 4px; }
.meta { color: var(--muted); font-size: 14px; margin: 8px 0 20px; }
.lead { font-size: 19px; }
p, li { max-width: 68ch; }
ul, ol { padding-left: 22px; }
li { margin: 6px 0; }
.box { background: var(--copper-soft); border-radius: 10px; padding: 14px 18px; margin: 20px 0; }
.box p { margin: 0; }
.warn { background: var(--warn-bg); color: var(--warn-ink); border-left: 3px solid var(--warn-line); border-radius: 0 8px 8px 0; padding: 12px 16px; margin: 20px 0; font-size: 15.5px; }
.cta { display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line); border-top: 4px solid var(--copper); border-radius: 10px; padding: 18px 20px; margin: 28px 0; }
.cta p { margin: 0; font-weight: 600; }
.btn { background: var(--copper); color: var(--on-copper); text-decoration: none; padding: 11px 18px; border-radius: 8px; font-weight: 600; white-space: nowrap; }
.tabla { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; min-width: 520px; background: var(--surface); font-size: 15.5px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--font-display); font-size: 16px; letter-spacing: .02em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.total td { font-weight: 700; border-top: 2px solid var(--ink); }
.faq h3 { margin-top: 18px; }
.related { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 20px; margin-top: 32px; }
.related h2 { margin-top: 4px; font-size: 22px; }
footer { color: var(--muted); font-size: 14px; margin-top: 32px; padding-top: 16px; border-top: 1px solid var(--line); display: flex; gap: 16px; flex-wrap: wrap; }

/* Feriados: línea de tiempo por mes */
.prox { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 6px 18px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-left: 6px solid var(--copper); border-radius: 10px; padding: 18px 20px; margin: 20px 0 8px; }
.prox .cnt { grid-row: span 2; font-family: var(--font-display); font-weight: 700; font-size: 52px; line-height: 1; color: var(--copper); font-variant-numeric: tabular-nums; text-align: center; min-width: 72px; }
.prox .cnt small { display: block; font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.prox .lbl { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.prox .what { font-family: var(--font-display); font-weight: 700; font-size: 24px; line-height: 1.15; }
.stats { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 15px; margin: 6px 0 24px; }
.stats b { color: var(--ink); font-variant-numeric: tabular-nums; }
.mes { margin-top: 26px; }
.mes h2 { margin: 0 0 10px; font-size: 22px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.fer { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 4px 16px; align-items: start; padding: 12px 0; border-top: 1px solid var(--line); }
.fer .d { font-family: var(--font-display); font-weight: 700; font-size: 38px; line-height: .95; text-align: center; font-variant-numeric: tabular-nums; }
.fer .d span { display: block; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-top: 4px; }
.fer .n { font-weight: 600; font-size: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chip { font-size: 12.5px; font-weight: 600; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.chip.irr { border-color: var(--copper); color: var(--copper); }
.chip.largo { background: var(--copper-soft); border-color: transparent; color: var(--ink); }
.chip.fds { border-style: dashed; }
.fer.past { opacity: .5; }
.fer.next .d { color: var(--copper); }
.fer.next .n::after { content: "Próximo"; margin-left: 8px; font-size: 12px; font-weight: 700; color: var(--on-copper); background: var(--copper); padding: 2px 8px; border-radius: 999px; vertical-align: 2px; }
.largos { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px; margin: 12px 0; }
.largos div { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.largos b { display: block; font-family: var(--font-display); font-size: 20px; }
.largos span { color: var(--muted); font-size: 14.5px; }
@media (prefers-reduced-motion: no-preference) { .fer { transition: opacity .2s; } }