/* LASAPAIXA — sistema visual (base: diseño Canva "Página de inicio web de LASAPAIXA") */
@font-face {
  font-family: "Work Sans";
  src: url("/assets/fonts/work-sans-latin-wght-normal.woff2") format("woff2-variations"),
       url("/assets/fonts/work-sans-latin-wght-normal.woff2") format("woff2");
  font-weight: 300 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #ffffff;
  --bg-soft: #f4f7ec;
  --pistacho: #93c572;
  --panel: #eef4e6;
  --panel-line: #d6e3c8;
  --ink: #1b1d1e;
  --ink-2: #4c5458;
  --line: #dcdfdb;
  --brand: #4a7a2c;
  --brand-dark: #365c1f;
  --brand-soft: #e6f0da;
  --coral: #e07a62;
  --coral-ink: #b4462f;
  --coral-soft: #fbe6e1;
  --ok: #2f7d4f;
  --ok-soft: #e1f1e6;
  --warn: #9a6400;
  --warn-soft: #fbf0d9;
  --bad: #b4362a;
  --bad-soft: #fbe3e0;
  --radius: 10px;
  --radius-sm: 6px;
  --wrap: 1180px;
  --font: "Work Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --shadow: 0 1px 2px rgba(20, 30, 30, .05), 0 4px 16px rgba(20, 30, 30, .05);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 90px; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 1.0625rem; line-height: 1.6;
  font-feature-settings: "tnum" 0;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--brand); text-underline-offset: 3px; }
a:hover { color: var(--brand-dark); }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3, h4 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); letter-spacing: -.035em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.25rem); }
h3 { font-size: 1.25rem; }
p, ul, ol { margin: 0 0 1em; }
.num, td, .stat-value { font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: .6em 1em; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* ---------- Cabecera */
.site-header { background: var(--bg-soft); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.brand { text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.brand-mark { flex: none; }
.brand-name { font-weight: 800; font-size: 1.05rem; letter-spacing: .06em; display: block; line-height: 1.2; }
.brand-tag { font-size: .78rem; color: var(--ink-2); display: block; line-height: 1.2; }
.nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .98rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a[aria-current="page"], .nav a.is-section { border-bottom-color: var(--brand); color: var(--ink); }
/* Submenús del silo */
.nav li { position: relative; }
@media (min-width: 821px) { .nav > ul { align-items: center; } .nav > ul > li { display: flex; align-items: center; min-height: 40px; } }
.has-sub { display: flex; align-items: center; }
.sub-toggle { background: none; border: 0; padding: 4px; margin-left: 2px; cursor: pointer; color: var(--ink-2); }
.sub-toggle::after { content: ""; display: block; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.nav .sub { display: none; position: absolute; top: 100%; left: -16px; min-width: 260px; flex-direction: column; gap: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px; z-index: 60; }
.nav .sub a { display: block; padding: 9px 12px; border-radius: var(--radius-sm); border-bottom: 0; font-weight: 500; font-size: .94rem; }
.nav .sub a:hover, .nav .sub a[aria-current="page"] { background: var(--brand-soft); }
@media (min-width: 821px) {
  .has-sub:hover > .sub, .has-sub:focus-within > .sub, .has-sub.open > .sub { display: flex; }
  .has-sub::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 12px; }
}
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 12px; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 8px; }
  .nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--bg-soft); border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 0; padding: 8px 24px 16px; }
  .nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .has-sub { flex-wrap: wrap; }
  .has-sub > a { flex: 1; }
  .sub-toggle { padding: 12px; }
  .nav .sub { position: static; box-shadow: none; border: 0; padding: 0 0 8px 14px; min-width: 0; width: 100%; background: none; }
  .has-sub.open > .sub { display: flex; }
  .nav { max-height: calc(100vh - 72px); overflow-y: auto; }
  .brand-tag { display: none; }
}

/* ---------- Botones y etiquetas */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--brand); color: #fff; font: inherit; font-weight: 600; text-decoration: none; padding: 13px 22px; border-radius: var(--radius-sm); border: 2px solid var(--brand); cursor: pointer; transition: background .15s; }
.btn:hover { background: var(--brand-dark); border-color: var(--brand-dark); color: #fff; }
.btn-ghost { background: transparent; color: var(--brand); }
.btn-ghost:hover { background: var(--brand-soft); color: var(--brand-dark); }
.btn-sm { padding: 8px 14px; font-size: .92rem; }
.link-arrow { font-weight: 600; text-decoration: none; }
.link-arrow::after { content: " ↗"; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 700; color: var(--brand); margin: 0 0 14px; }
.pill { display: inline-block; font-size: .75rem; font-weight: 600; color: var(--brand); background: var(--brand-soft); border: 1px solid #cfe0bd; border-radius: 99px; padding: 3px 10px; letter-spacing: .02em; }

/* ---------- Secciones */
.section { padding: 72px 0; }
.section-soft { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.section-head p { color: var(--ink-2); max-width: 620px; margin: 0; }
.lead { font-size: 1.2rem; color: var(--ink-2); max-width: 640px; }

/* ---------- Hero */
.hero { padding: 72px 0 80px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero-actions { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; margin-top: 28px; }
.hero-chart { background: var(--panel); border: 1px solid var(--panel-line); border-radius: var(--radius); padding: 22px; position: relative; aspect-ratio: 16 / 11; }
.hero-chart svg { width: 100%; height: 100%; display: block; }
.hero-chart .pill { position: absolute; top: 18px; left: 18px; background: var(--bg-soft); border-color: var(--line); }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; gap: 36px; } .hero { padding: 44px 0 56px; } }

/* ---------- Tarjetas */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.cards-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .cards, .cards-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .cards, .cards-2, .cards-4 { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; display: flex; flex-direction: column; gap: 10px; position: relative; transition: border-color .15s, box-shadow .15s; }
.card:hover { border-color: #b9c6c3; box-shadow: var(--shadow); }
.card .pill { align-self: flex-start; }
.card h3 { margin: 6px 0 0; font-size: 1.2rem; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a::after { content: ""; position: absolute; inset: 0; }
.card p { color: var(--ink-2); margin: 0; font-size: .98rem; }
.card .card-foot { margin-top: auto; padding-top: 8px; font-size: .85rem; color: var(--ink-2); display: flex; justify-content: space-between; gap: 8px; }
.card .go { color: var(--brand); font-weight: 600; }

/* ---------- Cifras destacadas */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 760px) { .stats { grid-template-columns: minmax(0, 1fr); } }
.stat { border-top: 3px solid var(--brand); padding-top: 16px; }
.stat:nth-child(2) { border-color: var(--coral); }
/* Cifras dentro de columnas estrechas (páginas con barra lateral) */
.two-col .stat-value { font-size: clamp(1.8rem, 2.9vw, 2.4rem); }
.stat-value { overflow-wrap: anywhere; font-size: clamp(2.2rem, 4.4vw, 3.2rem); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; display: block; }
.stat-label { color: var(--ink-2); display: block; margin-top: 6px; }
.stat-src { font-size: .8rem; color: var(--ink-2); display: block; margin-top: 8px; }

/* ---------- Fuentes */
.sources { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.sources > div { background: #fff; padding: 20px; }
.sources strong { display: block; font-size: 1.15rem; }
.sources span { color: var(--ink-2); font-size: .9rem; }
@media (max-width: 760px) { .sources { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Página interior */
.page-head { background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 36px 0 40px; }
.page-head h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); margin-bottom: .3em; }
.page-head .lead { margin: 0; }
.crumbs { font-size: .85rem; color: var(--ink-2); margin-bottom: 18px; }
.crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs li + li::before { content: "/"; margin-right: 6px; color: #9aa3a3; }
.crumbs a { color: var(--ink-2); }
.prose { max-width: 760px; }
.prose h2 { font-size: 1.6rem; margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose li { margin-bottom: .35em; }
.prose table { width: 100%; }
.content { padding: 48px 0 72px; }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; }
.two-col > *, .hero .wrap > *, .calc-form > *, .cards > *, .stats > * { min-width: 0; }
@media (max-width: 960px) { .two-col { grid-template-columns: minmax(0, 1fr); gap: 32px; } }
.aside-box { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; font-size: .95rem; }
.aside-box h2 { font-size: 1.05rem; margin-bottom: .6em; }
.aside-box ul { padding-left: 1.1em; margin: 0; }
.aside-box + .aside-box { margin-top: 16px; }

/* ---------- Calculadora */
.calc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.calc-form { padding: 24px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.calc-form .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .calc-form { grid-template-columns: minmax(0, 1fr); padding: 18px; } .wrap { padding: 0 16px; } }
.field label, .field legend { display: block; font-weight: 600; font-size: .95rem; margin-bottom: 6px; }
.field .hint { display: block; font-size: .82rem; color: var(--ink-2); margin-top: 5px; }
.field input, .field select { width: 100%; font: inherit; font-size: 1rem; padding: 11px 12px; border: 1px solid #b9c2c0; border-radius: var(--radius-sm); background: #fff; color: var(--ink); min-height: 46px; }
.field input:focus, .field select:focus { border-color: var(--brand); outline: 2px solid var(--brand-soft); outline-offset: 0; }
.input-unit { position: relative; }
.input-unit input { padding-right: 52px; }
.input-unit span { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-2); font-size: .9rem; pointer-events: none; }
fieldset.field { border: 0; padding: 0; margin: 0; min-width: 0; }
.seg { display: flex; flex-wrap: wrap; gap: 6px; }
.seg label { margin: 0; font-weight: 500; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.seg span { display: inline-block; padding: 9px 14px; border: 1px solid #b9c2c0; border-radius: var(--radius-sm); background: #fff; cursor: pointer; font-size: .95rem; }
.seg input:checked + span { background: var(--brand); border-color: var(--brand); color: #fff; }
.seg input:focus-visible + span { outline: 3px solid var(--coral); outline-offset: 2px; }
.calc-result { padding: 26px 24px 24px; min-height: 260px; }
.calc-result[data-state="empty"] .res-body { display: none; }
.calc-result[data-state="ready"] .res-empty { display: none; }
.res-empty { color: var(--ink-2); display: flex; align-items: center; gap: 14px; }
.res-empty::before { content: ""; flex: none; width: 72px; height: 72px; background: url("/assets/img/aixa-calculadora.svg") center / contain no-repeat; }
.rana-hero img[src*="tumbada"] { width: 128px; }
.res-headline { font-size: clamp(1.25rem, 2.6vw, 1.6rem); font-weight: 600; line-height: 1.3; margin: 0 0 18px; letter-spacing: -.01em; }
.res-headline strong { color: var(--brand); font-weight: 750; }
.res-big { font-size: clamp(2.6rem, 7vw, 4rem); font-weight: 750; letter-spacing: -.04em; line-height: 1; color: var(--brand); display: block; margin-bottom: 8px; }
.res-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin: 18px 0; }
@media (max-width: 640px) { .res-grid { grid-template-columns: 1fr 1fr; } }
.res-grid div { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.res-grid b { display: block; font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.res-grid span { font-size: .82rem; color: var(--ink-2); }
.badge { display: inline-block; font-weight: 700; font-size: .85rem; padding: 4px 10px; border-radius: 99px; }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-bad { background: var(--bad-soft); color: var(--bad); }
.res-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.res-note { font-size: .85rem; color: var(--ink-2); margin-top: 14px; }
.privacy-note { font-size: .85rem; color: var(--ink-2); display: flex; gap: 8px; align-items: center; margin: 14px 0 0; }
.steps { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; font-size: .95rem; overflow-x: auto; }
.steps p { margin: 0 0 6px; }
.steps code, .formula { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: .92em; }
.formula { display: block; background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; overflow-x: auto; margin: 0 0 1em; }
.copy-text { width: 100%; min-height: 150px; font: inherit; font-size: .92rem; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; resize: vertical; }

/* ---------- Gráficos SVG */
.chart { margin: 8px 0 0; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart figcaption { font-size: .82rem; color: var(--ink-2); margin-top: 8px; }
.chart text { font-family: var(--font); fill: var(--ink-2); font-size: 12px; }
.chart .lbl-strong { fill: var(--ink); font-weight: 700; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: .82rem; color: var(--ink-2); margin-top: 6px; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

/* ---------- Tablas */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table.data { border-collapse: collapse; width: 100%; font-size: .95rem; }
table.data caption { text-align: left; font-weight: 600; padding: 12px 14px; caption-side: top; }
table.data th, table.data td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; }
table.data th { background: var(--bg-soft); font-weight: 600; font-size: .88rem; }
table.data td.n, table.data th.n { text-align: right; }
table.data tr:last-child td { border-bottom: 0; }
table.data .bar { display: inline-block; height: 8px; background: var(--brand); border-radius: 4px; vertical-align: middle; margin-right: 8px; opacity: .8; }

/* ---------- Ficha de fuente */
.source-box { border-left: 3px solid var(--brand); background: var(--bg-soft); padding: 14px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: .92rem; margin: 28px 0; }
.source-box p { margin: 0 0 4px; }
.source-box p:last-child { margin: 0; }
details.faq { border-bottom: 1px solid var(--line); padding: 14px 0; }
details.faq summary { font-weight: 600; cursor: pointer; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--brand); font-weight: 700; font-size: 1.3rem; line-height: 1; }
details.faq[open] summary::after { content: "–"; }
details.faq div { padding-top: 10px; color: var(--ink-2); }
.related { margin-top: 48px; }

/* ---------- Pie */
.site-footer { background: var(--ink); color: #c9cfcf; padding: 56px 0 28px; margin-top: 0; font-size: .93rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h2 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 14px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #343a3c; margin-top: 40px; padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .85rem; }
.footer-brand p { max-width: 320px; }

/* ---------- Rana: consejos y bocadillos */
.tip { display: flex; gap: 16px; align-items: flex-start; background: var(--brand-soft); border: 1px solid #cfe0bd; border-radius: var(--radius); padding: 16px 18px; }
.tip img { flex: none; width: 64px; height: 64px; }
.tip p { margin: 0; }
.tip strong { color: var(--brand-dark); }
.rana-hero { display: flex; align-items: flex-end; gap: 14px; margin-top: 30px; }
.rana-hero img { width: 92px; height: 92px; flex: none; }
.bubble { position: relative; background: #fff; border: 2px solid var(--ink); border-radius: 16px; padding: 10px 14px; font-size: .95rem; font-weight: 500; max-width: 340px; margin-bottom: 40px; }
.bubble::before { content: ""; position: absolute; left: -11px; bottom: 14px; width: 18px; height: 18px; background: #fff; border-left: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); }

/* ---------- Juego «Dibuja la línea» */
.game { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.game-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-bottom: 12px; }
.game-bar .field { min-width: 220px; flex: 1; }
.game svg { width: 100%; height: auto; display: block; user-select: none; }
#dibuja svg { touch-action: none; cursor: crosshair; aspect-ratio: 640 / 340; }
#sm-pop { aspect-ratio: 600 / 240; max-width: 640px; }
#sm-hist { aspect-ratio: 600 / 200; max-width: 640px; }
.game svg text { font-family: var(--font); fill: var(--ink-2); font-size: 12px; }
.game svg .lbl-strong { fill: var(--ink); font-weight: 700; }
.game .legend { margin: 8px 0 14px; }
.game-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.btn-link { background: none; border: 0; color: var(--brand); font: inherit; font-weight: 600; text-decoration: underline; cursor: pointer; padding: 8px 4px; }
#dl-result { margin-top: 16px; min-height: 1px; }

/* ---------- Portal de recursos */
.temario { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
@media (max-width: 760px) { .temario { grid-template-columns: minmax(0, 1fr); } }
.tema { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: flex; flex-direction: column; gap: 8px; scroll-margin-top: 90px; }
.tema .pill { align-self: flex-start; margin: 0; }
.tema h3 { margin: 0; font-size: 1.1rem; }
.tema p { margin: 0; color: var(--ink-2); font-size: .96rem; }
.chips { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: .78rem; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 99px; padding: 3px 10px; }
.tema .autores { font-size: .85rem; }
.tema-foot { margin-top: auto !important; padding-top: 8px; display: flex; justify-content: space-between; gap: 10px; font-size: .85rem; }
.tema-foot a { font-weight: 600; }
.estudio { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; scroll-margin-top: 90px; }
.estudio-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px; }
@media (max-width: 860px) { .estudio-grid { grid-template-columns: minmax(0, 1fr); } }
.estudio h3 { font-size: 1.05rem; }
.fc-card { position: relative; min-height: 230px; perspective: 1000px; cursor: pointer; }
.fc-face { position: absolute; inset: 0; border-radius: var(--radius); border: 2px solid var(--ink); padding: 22px; display: flex; flex-direction: column; justify-content: center; backface-visibility: hidden; transition: transform .45s; }
.fc-front { background: #fff; }
.fc-back { background: var(--pistacho); transform: rotateY(180deg); font-size: 1.02rem; }
.fc-card.flipped .fc-front { transform: rotateY(180deg); }
.fc-card.flipped .fc-back { transform: rotateY(360deg); }
.fc-front p { font-size: 1.2rem; font-weight: 650; margin: 8px 0; }
.fc-tema { font-size: .75rem; font-weight: 700; color: var(--brand); text-transform: uppercase; letter-spacing: .1em; }
.fc-hint { font-size: .8rem; color: var(--ink-2); }
.fc-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; font-size: .9rem; color: var(--ink-2); }
.qz { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; min-height: 300px; }
.qz-meta { font-size: .8rem; color: var(--ink-2); margin: 0 0 8px; }
.qz-q { border: 0; padding: 0; margin: 0; }
.qz-q legend { font-weight: 650; font-size: 1.05rem; margin-bottom: 12px; }
.qz-opt { display: block; width: 100%; text-align: left; font: inherit; font-size: .97rem; background: #fff; border: 1.5px solid #b9c2c0; border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 8px; cursor: pointer; color: var(--ink); }
.qz-opt span { font-weight: 700; color: var(--brand); margin-right: 4px; }
.qz-opt:hover:not([disabled]) { border-color: var(--brand); background: var(--brand-soft); }
.qz-opt.ok { border-color: var(--ok); background: var(--ok-soft); }
.qz-opt.ko { border-color: var(--bad); background: var(--bad-soft); }
.qz-opt[disabled] { cursor: default; }
.qz-why { font-size: .93rem; margin: 6px 0 10px; }
.tema-nav { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font-weight: 600; font-size: .95rem; }
.tema h3 a { color: var(--ink); text-decoration: none; }
.tema h3 a:hover { color: var(--brand); }
/* ---------- Aprende */
.falacias { display: grid; gap: 14px; margin-bottom: 32px; }
.falacias article { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; background: #fff; scroll-margin-top: 90px; }
.falacias h3 { margin: 0 0 6px; }
.falacias p { margin: 0 0 6px; }
.falacias .ej { font-style: italic; color: var(--brand-dark); border-left: 3px solid var(--pistacho); padding-left: 10px; }
.caza-frase { margin: 0 0 14px; font-size: 1.15rem; font-weight: 600; background: var(--bg-soft); border-left: 4px solid var(--coral); padding: 14px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
#caza-body { max-width: 640px; }
.arg-checks { list-style: none; padding: 0; margin: 0; font-size: .92rem; }
.arg-checks li { color: var(--ink-2); }
.arg-checks li.ok { color: var(--ok); font-weight: 600; }
.arg-texto { margin-top: 14px; background: #fff; border: 1px dashed var(--brand); border-radius: var(--radius-sm); padding: 14px 16px; font-size: 1.02rem; }
.monet { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; }
@media (max-width: 760px) { .monet { grid-template-columns: minmax(0, 1fr); } }
.monet-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.monet-pack { background: var(--brand-soft); border-color: #cfe0bd; }
.monet-card h3 { margin-top: 8px; }
.monet-card ul { padding-left: 1.2em; }
.game input[type="range"] { width: 100%; accent-color: var(--brand); }

/* ---------- Toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 99px; font-size: .92rem; opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; z-index: 99; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media print { .site-header, .site-footer, .res-actions, .nav-toggle { display: none !important; } }