:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #f0efe9;
  --text: #1c2321;
  --muted: #5b6662;
  --border: #dedcd3;
  --accent: #0f5c4d;
  --accent-strong: #0a4639;
  --accent-soft: #e2efe9;
  --highlight: #f2b33d;
  --danger: #b3412e;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 30, 25, .06), 0 8px 24px rgba(20, 30, 25, .06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121615;
    --surface: #1a201e;
    --surface-2: #222a27;
    --text: #e9eeec;
    --muted: #a3afab;
    --border: #2f3935;
    --accent: #5cc4a6;
    --accent-strong: #7dd6bc;
    --accent-soft: #1d332c;
    --highlight: #f2b33d;
    --danger: #ef8a76;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--font);
}
img, svg { max-width: 100%; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent-strong); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; }
h1 { font-size: clamp(1.9rem, 4.5vw, 2.9rem); margin: 0 0 .5em; }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); margin: 2em 0 .6em; }
h3 { font-size: 1.15rem; margin: 1.6em 0 .4em; }
p, ul, ol { margin: 0 0 1em; }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.small { font-size: .88rem; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip-link:focus { left: 8px; }

/* Header */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.header-inner { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 1.15rem; color: var(--text); text-decoration: none; }
.logo-mark { display: block; width: 32px; height: 32px; border-radius: 8px; }
.site-nav { margin-left: auto; display: flex; gap: 4px; }
.site-nav a { color: var(--text); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: .95rem; }
.site-nav a:hover, .site-nav a[aria-current] { background: var(--accent-soft); color: var(--accent-strong); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 1.2rem; padding: 4px 10px; cursor: pointer; }
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 16px 16px; }
  .site-nav.open { display: flex; }
}

.breadcrumbs { font-size: .85rem; color: var(--muted); padding-top: 16px; }
.breadcrumbs a { color: var(--muted); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 10px; font: inherit; font-weight: 650; text-decoration: none; border: 1px solid transparent; cursor: pointer; line-height: 1.2; }
.btn-primary { background: var(--accent); color: var(--surface); }
.btn-primary:hover { background: var(--accent-strong); color: var(--surface); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-strong); }
.btn-small { padding: 7px 12px; font-size: .9rem; }
.btn.is-disabled { background: var(--surface-2); color: var(--muted); cursor: default; }

/* Hero */
.hero { padding: 56px 0 40px; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: 12px; }
.page-head { padding: 24px 0 8px; }
.page-head p { color: var(--muted); font-size: 1.1rem; max-width: 720px; }

/* Cards */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); }
a.card { display: block; color: var(--text); text-decoration: none; transition: border-color .15s, transform .15s; }
a.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card .tag { display: inline-block; font-size: .75rem; font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 99px; padding: 2px 10px; margin-bottom: 10px; }
.section { padding: 32px 0; }
.section > h2:first-child, .section .container > h2:first-child { margin-top: 0; }

/* Calculator layout */
.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; margin: 24px 0 40px; }
@media (max-width: 880px) { .calc { grid-template-columns: minmax(0, 1fr); } }
.calc-form fieldset { border: 0; padding: 0; margin: 0 0 20px; }
.calc-form legend { font-weight: 700; font-size: 1.05rem; margin-bottom: 12px; padding: 0; }
.field { margin-bottom: 14px; }
.field label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 4px; }
.hint { display: block; font-size: .82rem; color: var(--muted); margin-top: 3px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .field-row { grid-template-columns: 1fr; } }
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap .unit { position: absolute; right: 12px; color: var(--muted); font-size: .9rem; pointer-events: none; }
input[type="number"], input[type="text"], input[type="email"], input[type="date"], select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px;
}
.input-wrap input { padding-right: 52px; }
textarea { min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, a:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 40%, transparent); outline-offset: 1px; border-color: var(--accent); }
.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-group label { display: inline-flex; align-items: center; gap: 6px; font-weight: 500; border: 1px solid var(--border); border-radius: 99px; padding: 6px 12px; cursor: pointer; background: var(--surface); }
.radio-group input { accent-color: var(--accent); margin: 0; }
.radio-group label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
details.advanced summary { cursor: pointer; font-weight: 650; color: var(--accent); margin-bottom: 12px; }

.result { position: sticky; top: 84px; }
.result-main { background: var(--accent); color: #fff; border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
@media (prefers-color-scheme: dark) { .result-main { background: #0f5c4d; } }
.result-main .label { font-size: .95rem; opacity: .9; }
.result-main .big { font-size: clamp(2.4rem, 7vw, 3.4rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin: 4px 0; font-variant-numeric: tabular-nums; }
.result-main .sub { opacity: .92; font-size: .95rem; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
@media (max-width: 480px) { .kpis { grid-template-columns: 1fr 1fr; } }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.kpi .k-label { font-size: .78rem; color: var(--muted); }
.kpi .k-value { font-size: 1.2rem; font-weight: 750; font-variant-numeric: tabular-nums; }
.breakdown { margin-top: 12px; }
.bar { display: flex; height: 14px; border-radius: 99px; overflow: hidden; background: var(--surface-2); gap: 2px; margin: 10px 0 12px; }
.bar span { display: block; height: 100%; }
.legend { list-style: none; padding: 0; margin: 0; font-size: .92rem; }
.legend li { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px dashed var(--border); }
.legend li:last-child { border-bottom: 0; }
.legend .dot { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.legend .val { margin-left: auto; font-variant-numeric: tabular-nums; font-weight: 600; }
.c-neto { background: #0f8a6c; }
.c-irpf { background: #e0913a; }
.c-cuota { background: #5a7bd8; }
.c-gastos { background: #9a8f7e; }
.c-colchon { background: #c9b458; }
.note { background: var(--surface-2); border-radius: 12px; padding: 14px 16px; font-size: .9rem; color: var(--muted); margin-top: 12px; }
.note strong { color: var(--text); }
.warn { color: var(--danger); }

.mobile-bar { display: none; }
@media (max-width: 880px) {
  .mobile-bar { display: flex; align-items: center; gap: 6px; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 6; background: #0f5c4d; color: #fff; text-decoration: none; padding: 12px 16px; border-radius: 12px; box-shadow: 0 8px 24px rgba(0, 0, 0, .25); }
  .mobile-bar:hover { color: #fff; }
  .mobile-bar strong { font-size: 1.15rem; }
  .mobile-bar span { margin-left: auto; font-size: .85rem; opacity: .9; }
  body:has(.mobile-bar) .site-footer { padding-bottom: 88px; }
}
@media print { .mobile-bar { display: none !important; } }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Dynamic rows */
.rows { display: grid; gap: 8px; margin-bottom: 10px; }
.row-item { display: grid; grid-template-columns: minmax(0, 1fr) 110px 40px; gap: 8px; align-items: center; }
.row-item.three { grid-template-columns: minmax(0, 1fr) 80px 110px 40px; }
.row-remove { background: none; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); height: 44px; cursor: pointer; font-size: 1.1rem; }
.row-remove:hover { color: var(--danger); border-color: var(--danger); }
@media (max-width: 480px) {
  .row-item.three { grid-template-columns: 1fr 1fr 40px; }
  .row-item.three > :first-child { grid-column: 1 / -1; }
}

/* Article */
.article { padding-bottom: 48px; }
.article .meta { color: var(--muted); font-size: .9rem; margin-bottom: 24px; }
.article li { margin-bottom: .4em; }
.article blockquote { margin: 1.5em 0; padding: 16px 20px; border-left: 4px solid var(--accent); background: var(--surface); border-radius: 0 12px 12px 0; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 20px; margin: 24px 0; }
.toc strong { display: block; margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 20px; }
.formula { font-family: var(--mono); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; font-size: .92rem; }
.template { white-space: pre-wrap; font-family: var(--font); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; font-size: .95rem; }
.cta-box { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); border-radius: var(--radius); padding: 22px; margin: 32px 0; }
.cta-box h2, .cta-box h3 { margin-top: 0; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 650; }
.faq details p { margin: 10px 0 0; }

/* Footer */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 0; margin-top: 40px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 24px; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 10px; }
.site-footer a:not(.logo) { display: block; color: var(--text); text-decoration: none; padding: 3px 0; }
.site-footer a:not(.logo):hover { color: var(--accent); }
.site-footer p { color: var(--muted); margin-top: 12px; }

/* Quote generator */
.quote-doc { background: #fff; color: #1c2321; border: 1px solid var(--border); border-radius: 6px; padding: 36px; box-shadow: var(--shadow); font-size: .92rem; }
.quote-doc h2 { margin: 0; font-size: 1.6rem; color: #0f5c4d; }
.quote-doc .q-head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.quote-doc .q-parties { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.quote-doc .q-parties h3 { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: #5b6662; margin: 0 0 4px; }
.quote-doc .q-parties p { margin: 0; white-space: pre-line; }
.quote-doc table th { color: #5b6662; }
.quote-doc th, .quote-doc td { border-color: #dedcd3; }
.quote-doc .q-totals { margin-left: auto; width: min(320px, 100%); margin-top: 12px; }
.quote-doc .q-totals td { border: 0; padding: 4px 10px; }
.quote-doc .q-totals tr.total td { border-top: 2px solid #1c2321; font-weight: 800; font-size: 1.1rem; padding-top: 8px; }
.quote-doc .q-notes { margin-top: 24px; white-space: pre-line; color: #3a4441; }
.quote-doc .q-accept { margin-top: 32px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.quote-doc .q-accept div { border-top: 1px solid #1c2321; padding-top: 6px; font-size: .8rem; color: #5b6662; }

@media (max-width: 600px) {
  .quote-doc { padding: 20px 16px; font-size: .85rem; }
  .quote-doc .q-parties, .quote-doc .q-accept { grid-template-columns: 1fr; }
  .quote-doc th, .quote-doc td { padding: 7px 5px; }
}

@media print {
  body { background: #fff; font-size: 12pt; }
  .site-header, .site-footer, .breadcrumbs, .page-head, .calc-form, .article, .skip-link, [data-copy-url] { display: none !important; }
  .calc { display: block; margin: 0; }
  .result { position: static; }
  .printable { border: 0; box-shadow: none; padding: 0; }
}