/* =============================================================
   Margen Claro — estilos
   1. Tokens  2. Base  3. Utilidades  4. Layout  5. Formulario
   6. Resultados  7. Productos  8. Contenido  9. Anuncios
   10. Páginas internas  11. Responsive
   ============================================================= */

/* 1. Tokens ----------------------------------------------------- */
:root {
  --bg: #f6f8f8;
  --surface: #ffffff;
  --surface-2: #eef3f3;
  --ink: #12201f;
  --ink-2: #4a5b5a;
  --line: #d9e3e2;
  --accent: #0f766e;
  --accent-strong: #0b5c56;
  --accent-soft: #e0f2ef;
  --on-accent: #ffffff;
  --logo-ink: #ffffff;
  --pos: #0f7a4f;
  --pos-soft: #e3f5ec;
  --neg: #b42318;
  --neg-soft: #fdecea;
  --info-soft: #eef2f7;
  --ahorro: #7a4b00;
  --ahorro-soft: #fbf1df;
  --seg-ml: #d9653b;
  --seg-envio: #7c5cd6;
  --seg-imp: #6b7a8c;
  --seg-costo: #3a7bd5;
  --seg-gan: #12a594;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(16, 32, 31, .06), 0 6px 24px rgba(16, 32, 31, .06);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1514;
    --surface: #142120;
    --surface-2: #1b2b2a;
    --ink: #e6efee;
    --ink-2: #a3b5b3;
    --line: #29403e;
    --accent: #2dd4bf;
    --accent-strong: #5eead4;
    --accent-soft: #153a36;
    --on-accent: #062522;
    --logo-ink: #062522;
    --pos: #4ade9b;
    --pos-soft: #12301f;
    --neg: #ff8a7a;
    --neg-soft: #3a1714;
    --info-soft: #1a2633;
    --ahorro: #ffcf85;
    --ahorro-soft: #352612;
    --seg-ml: #f08a62;
    --seg-envio: #a58bf0;
    --seg-imp: #8d9bad;
    --seg-costo: #6aa1f0;
    --seg-gan: #2dd4bf;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 24px rgba(0, 0, 0, .25);
  }
}

/* 2. Base ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 16px; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
input, select { font: inherit; color: inherit; }
a { color: var(--accent-strong); }
@media (prefers-color-scheme: light) { a { color: var(--accent); } }
p { text-wrap: pretty; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.015em; text-wrap: balance; }
h1 { font-size: clamp(1.6rem, 1.1rem + 2.4vw, 2.5rem); font-weight: 800; }
h2 { font-size: clamp(1.3rem, 1.1rem + .9vw, 1.7rem); font-weight: 750; margin-bottom: .6rem; }
h3, .h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: .4rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
::selection { background: var(--accent); color: var(--on-accent); }

/* 3. Utilidades ------------------------------------------------- */
[hidden] { display: none !important; }
.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 16px; }
.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; }
.skip-link { position: fixed; top: -100px; left: 1rem; padding: .6rem 1rem; background: var(--accent); color: var(--on-accent); z-index: 999; border-radius: 8px; font-weight: 600; text-decoration: none; }
.skip-link:focus { top: 1rem; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: 44px; padding: .55rem 1.1rem; border-radius: 10px; font-weight: 650;
  text-decoration: none; transition: background-color .2s var(--ease-out), transform .2s var(--ease-out);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primario { background: var(--accent); color: var(--on-accent); }
.btn-primario:hover { background: var(--accent-strong); }
.btn-sec { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); }
.btn-sec:hover:not(:disabled) { border-color: var(--accent); }
.btn-wa { background: #1f8f4e; color: #fff; }
.btn-wa:hover { background: #18773f; }
.link { color: var(--accent-strong); text-decoration: underline; text-underline-offset: 2px; padding: .35rem .3rem; min-height: 32px; font-weight: 600; }
@media (prefers-color-scheme: light) { .link { color: var(--accent); } }
.link-peligro { color: var(--neg) !important; }

/* 4. Layout: header, hero, footer ------------------------------ */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .7rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink) !important; }
.brand-logo { width: 34px; height: 34px; color: var(--accent); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 1.12rem; letter-spacing: -0.01em; }
.brand-tag { font-size: .8rem; color: var(--ink-2); }
.site-nav { display: flex; gap: .3rem; flex-wrap: wrap; }
.site-nav a { color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: .92rem; padding: .45rem .6rem; border-radius: 8px; }
.site-nav a:hover { background: var(--surface-2); color: var(--ink); }

.hero { padding-block: 1.25rem .9rem; }
.hero-sub { color: var(--ink-2); margin-top: .5rem; max-width: 62ch; }

.site-footer { margin-top: 3rem; border-top: 1px solid var(--line); background: var(--surface); padding-block: 1.6rem; font-size: .92rem; color: var(--ink-2); }
.footer-inner { display: grid; gap: .7rem; }
.footer-indep { font-weight: 600; color: var(--ink); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: .2rem 1rem; }
.site-footer nav a { color: var(--ink-2); padding-block: .3rem; }

/* 5. Formulario ------------------------------------------------- */
.calc { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; align-items: start; }
.resultados > * { min-width: 0; }
.calc-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; box-shadow: var(--shadow); display: grid; gap: .9rem; }
.form-top { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between; }
.grupo { border: 0; padding: 0; display: grid; gap: .8rem; min-width: 0; }
.grupo > legend, .plegable > summary { font-size: .78rem; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-strong); margin-bottom: .1rem; padding: 0; }
@media (prefers-color-scheme: light) { .grupo > legend, .plegable > summary { color: var(--accent); } }
.plegable { border-top: 1px solid var(--line); padding-top: .8rem; }
.plegable > summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; min-height: 32px; }
.plegable > summary::-webkit-details-marker { display: none; }
.plegable > summary::after { content: "+"; font-size: 1.2rem; line-height: 1; color: var(--ink-2); }
.plegable[open] > summary::after { content: "−"; }
.plegable[open] > summary { margin-bottom: .7rem; }
.campo { display: grid; gap: .3rem; }
.campo > label, .label { font-weight: 600; font-size: .95rem; display: flex; align-items: center; gap: .35rem; }
.check { display: flex !important; align-items: center; gap: .5rem; font-weight: 500 !important; font-size: .93rem !important; cursor: pointer; min-height: 32px; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.ayuda { color: var(--ink-2); font-size: .84rem; }

input[type="text"], select {
  width: 100%; min-height: 46px; padding: .55rem .75rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--surface); font-size: 1.02rem; transition: border-color .15s, box-shadow .15s;
}
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.2rem; }
input[type="text"]:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }
input::placeholder { color: var(--ink-2); opacity: .7; }
.input-pesos, .input-pct { position: relative; display: flex; align-items: center; }
.input-pesos > span { position: absolute; left: .8rem; color: var(--ink-2); font-weight: 600; pointer-events: none; }
.input-pesos input { padding-left: 1.75rem; font-variant-numeric: tabular-nums; }
.input-pct > span { position: absolute; right: .8rem; color: var(--ink-2); font-weight: 600; pointer-events: none; }
.input-pct input { padding-right: 2rem; font-variant-numeric: tabular-nums; }
.obj { display: flex; gap: .5rem; align-items: stretch; }
.obj input { flex: 1; min-width: 0; }

.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line); border-radius: 11px; padding: 3px; gap: 3px; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.seg span { display: flex; align-items: center; justify-content: center; min-height: 38px; padding: .3rem .9rem; border-radius: 8px; font-weight: 650; font-size: .93rem; color: var(--ink-2); transition: background-color .15s, color .15s; white-space: nowrap; }
.seg input:checked + span { background: var(--surface); color: var(--ink); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.seg input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 1px; }
.seg-sm span { padding-inline: .7rem; }

.switch { display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .92rem; cursor: pointer; position: relative; min-height: 38px; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch-ui { width: 40px; height: 24px; border-radius: 99px; background: var(--line); position: relative; transition: background-color .2s; flex: none; }
.switch-ui::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .2s var(--ease-out); box-shadow: 0 1px 2px rgba(0,0,0,.25); }
.switch input:checked + .switch-ui { background: var(--accent); }
.switch input:checked + .switch-ui::after { transform: translateX(16px); }
.switch input:focus-visible + .switch-ui { outline: 3px solid var(--accent); outline-offset: 2px; }
.es-simple [data-avanzado] { display: none !important; }

.tip { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-2); font-size: .72rem; font-weight: 800; flex: none; }
.tip::after { content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translateX(-50%); width: max-content; max-width: min(260px, 70vw); padding: .5rem .65rem; border-radius: 8px; background: var(--ink); color: var(--bg); font-size: .8rem; font-weight: 500; line-height: 1.35; text-align: left; opacity: 0; pointer-events: none; transition: opacity .15s; z-index: 20; }
.tip:hover::after, .tip:focus-visible::after, .tip.abierto::after { opacity: 1; }
.tasas { font-size: .85rem; color: var(--ink-2); border-top: 1px solid var(--line); padding-top: .8rem; }

/* 6. Resultados ------------------------------------------------- */
.resultados { display: grid; gap: .9rem; }
.res-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.1rem 1rem; box-shadow: var(--shadow); border-top: 5px solid var(--pos); }
.res-card[data-estado="pierde"] { border-top-color: var(--neg); }
.res-card[data-estado="vacio"] { border-top-color: var(--line); }
.res-kicker { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; color: var(--ink-2); }
.res-titular { font-size: clamp(1.55rem, 1.2rem + 1.6vw, 2.15rem); font-weight: 800; line-height: 1.15; color: var(--pos); font-variant-numeric: tabular-nums; margin-top: .15rem; letter-spacing: -0.02em; }
.res-card[data-estado="pierde"] .res-titular { color: var(--neg); }
.res-card[data-estado="vacio"] .res-titular { color: var(--ink-2); font-size: 1.3rem; }
.res-sub { color: var(--ink-2); margin-top: .25rem; font-size: .95rem; }
.barra { display: flex; height: 14px; border-radius: 99px; overflow: hidden; margin-top: .9rem; background: var(--surface-2); }
.barra span { height: 100%; transition: width .35s var(--ease-out); }
.barra-leyenda { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem .9rem; margin-top: .55rem; font-size: .82rem; color: var(--ink-2); }
.barra-leyenda li { display: flex; align-items: center; gap: .35rem; }
.barra-leyenda i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.barra-leyenda b { color: var(--ink); font-weight: 650; }
.seg-ml { background: var(--seg-ml); } .seg-envio { background: var(--seg-envio); } .seg-imp { background: var(--seg-imp); }
.seg-costo { background: var(--seg-costo); } .seg-gan { background: var(--seg-gan); }

.avisos { list-style: none; padding: 0; display: grid; gap: .5rem; }
.avisos:empty { display: none; }
.aviso { padding: .65rem .8rem; border-radius: 10px; font-size: .92rem; background: var(--info-soft); border-left: 4px solid var(--seg-imp); }
.aviso-ahorro { background: var(--ahorro-soft); border-left-color: var(--ahorro); color: var(--ink); font-weight: 550; }
.aviso-alerta { background: var(--neg-soft); border-left-color: var(--neg); }
.aviso .link { padding: 0 .2rem; min-height: 0; }

.ticket, .comparar { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.ticket { background-image: radial-gradient(circle at 8px 0, transparent 7px, var(--surface) 7.5px); background-size: 16px 100%; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
#ticket th, #ticket td { padding: .42rem 0; border-bottom: 1px dashed var(--line); font-size: .93rem; }
#ticket th { text-align: left; font-weight: 500; }
#ticket .t-pct { text-align: right; color: var(--ink-2); font-size: .82rem; padding-right: .7rem; white-space: nowrap; }
#ticket .t-monto { text-align: right; white-space: nowrap; }
#ticket .t-total th, #ticket .t-total td, #ticket .t-sub th, #ticket .t-sub td { font-weight: 700; }
#ticket .t-sub th, #ticket .t-sub td { background: var(--surface-2); }
#ticket .t-sub th { padding-left: .5rem; border-radius: 6px 0 0 6px; } #ticket .t-sub .t-monto { padding-right: .5rem; border-radius: 0 6px 6px 0; }
#ticket .t-final th, #ticket .t-final td { font-weight: 800; font-size: 1.05rem; border-bottom: 0; padding-top: .6rem; }
#ticket .t-final.pos .t-monto { color: var(--pos); } #ticket .t-final.neg .t-monto { color: var(--neg); }
.equilibrio { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.equilibrio:empty { display: none; }
.tabla-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
#comparar th, #comparar td { padding: .55rem .4rem; text-align: right; border-bottom: 1px solid var(--line); font-size: .92rem; white-space: nowrap; }
#comparar th:first-child, #comparar td:first-child { text-align: left; }
#comparar thead th { font-size: .78rem; color: var(--ink-2); font-weight: 650; }
#comparar tbody th { font-weight: 600; }
#comparar tr.mejor { background: var(--pos-soft); }
#comparar tr.actual th::before { content: "● "; color: var(--accent); }
.chip { display: inline-block; font-size: .7rem; font-weight: 700; padding: .1rem .45rem; border-radius: 99px; background: var(--pos); color: var(--surface); margin-left: .25rem; vertical-align: middle; }
.nota { font-size: .82rem; color: var(--ink-2); margin-top: .6rem; }

.acciones { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; display: grid; gap: .8rem; }
.guardar { display: flex; gap: .5rem; }
.guardar input { flex: 1; min-width: 0; }
.estado-guardar { font-size: .88rem; color: var(--pos); min-height: 1.3em; margin-top: -.4rem; }
.estado-guardar:empty { display: none; }
.compartir { display: flex; flex-wrap: wrap; gap: .5rem; }
.compartir .btn { flex: 1 1 160px; }
.descargo { font-size: .8rem; color: var(--ink-2); line-height: 1.5; }

.barra-movil {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; gap: .7rem;
  padding: .7rem 16px calc(.7rem + env(safe-area-inset-bottom)); background: var(--surface); border-top: 3px solid var(--pos);
  box-shadow: 0 -6px 24px rgba(0,0,0,.12); transition: transform .25s var(--ease-out);
}
.barra-movil[data-estado="pierde"] { border-top-color: var(--neg); }
.barra-movil[data-estado="vacio"] { border-top-color: var(--line); }
.barra-movil.oculta { transform: translateY(calc(100% + 30px)); }
.barra-movil-txt { font-weight: 800; font-size: 1rem; color: var(--pos); font-variant-numeric: tabular-nums; line-height: 1.25; }
.barra-movil[data-estado="pierde"] .barra-movil-txt { color: var(--neg); }
.barra-movil[data-estado="vacio"] .barra-movil-txt { color: var(--ink-2); }
.barra-movil-btn { flex: none; font-weight: 700; font-size: .9rem; padding: .5rem .8rem; border-radius: 9px; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink) !important; text-decoration: none; }
body { padding-bottom: 76px; }

/* 7. Mis productos --------------------------------------------- */
.productos { margin-top: 1.6rem; }
.productos-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: .6rem; }
.productos-head h2 { margin: 0; }
.productos-vacio { color: var(--ink-2); background: var(--surface); border: 1px dashed var(--line); border-radius: var(--radius); padding: 1rem; font-size: .93rem; }
#prodTabla { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
#prodTabla th, #prodTabla td { padding: .6rem .7rem; text-align: right; border-bottom: 1px solid var(--line); font-size: .92rem; white-space: nowrap; }
#prodTabla th:first-child { text-align: left; white-space: normal; min-width: 140px; }
#prodTabla thead th { font-size: .78rem; color: var(--ink-2); font-weight: 650; background: var(--surface-2); }
#prodTabla tbody th small { display: block; color: var(--ink-2); font-weight: 500; font-size: .78rem; }
#prodTabla tr.editando { background: var(--accent-soft); }
.prod-acc { display: flex; gap: .2rem; justify-content: flex-end; }

/* 8. Contenido -------------------------------------------------- */
.contenido { display: grid; gap: 2.2rem; margin-top: 2rem; }
.contenido p + p, .contenido p + h3, .contenido ol + p, .contenido p + ol { margin-top: .7rem; }
.contenido h3 { margin-top: 1.1rem; }
.contenido section > p, .contenido section > ol { max-width: 72ch; }
.pasos-lista { list-style: none; padding: 0; display: grid; gap: .8rem; }
.pasos-lista li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.pasos-lista h3 { margin-top: .5rem !important; }
.pasos-lista p { color: var(--ink-2); font-size: .95rem; }
.paso-num { display: inline-flex; width: 32px; height: 32px; border-radius: 50%; align-items: center; justify-content: center; background: var(--accent); color: var(--on-accent); font-weight: 800; }
.ideas-grid { display: grid; gap: .8rem; }
.idea { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: var(--radius); padding: .9rem 1rem; }
.idea h3 { margin-top: 0 !important; }
.idea p { color: var(--ink-2); font-size: .95rem; }
.ejemplo { padding-left: 1.3rem; display: grid; gap: .3rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1rem 1rem 2.2rem; font-variant-numeric: tabular-nums; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-top: .5rem; }
.faq summary { cursor: pointer; padding: .8rem 1rem; font-weight: 650; list-style: none; display: flex; justify-content: space-between; gap: 1rem; min-height: 44px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 800; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 1rem 1rem; color: var(--ink-2); }

/* 9. Anuncios (placeholders) ----------------------------------- */
.ad-slot { display: flex; align-items: center; justify-content: center; border: 1px dashed var(--line); border-radius: 10px; background: repeating-linear-gradient(135deg, transparent 0 10px, var(--surface-2) 10px 20px); overflow: hidden; }
.ad-label { font-size: .72rem; font-weight: 700; letter-spacing: .14em; color: var(--ink-2); opacity: .8; }
.ad-banner { min-height: 100px; margin-top: 2.5rem; }
.ad-incontent { min-height: 280px; max-width: 728px; width: 100%; margin-inline: auto; }
.ad-popup { border: 0; border-radius: var(--radius); padding: 2.6rem 1.2rem 1.2rem; background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.3); width: min(360px, calc(100vw - 32px)); }
.ad-popup::backdrop { background: rgba(5, 15, 14, .55); }
.ad-popup-slot { min-height: 250px; }
.ad-seguir { width: 100%; margin-top: 1rem; }
.ad-cerrar { position: absolute; top: 6px; right: 6px; width: 40px; height: 40px; border-radius: 50%; font-size: 1.5rem; line-height: 1; color: var(--ink-2); }
.ad-cerrar:hover { background: var(--surface-2); color: var(--ink); }
.ad-toast { position: fixed; z-index: 60; right: 16px; bottom: 92px; width: 260px; min-height: 96px; display: flex; align-items: center; justify-content: center; background: var(--surface); border: 1px dashed var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 1rem 2.4rem 1rem 1rem; }
.ad-toast[hidden] { display: none; }
.ad-toast .ad-cerrar { top: 4px; right: 4px; width: 36px; height: 36px; font-size: 1.3rem; }

/* 10. Páginas internas ----------------------------------------- */
.pagina { max-width: 860px; padding-block: 1.5rem 1rem; }
.pagina h1 { margin-bottom: .6rem; }
.pagina h2 { margin-top: 1.8rem; }
.pagina p, .pagina ul { margin-top: .6rem; }
.pagina ul { padding-left: 1.3rem; }
.pagina .lead { color: var(--ink-2); font-size: 1.05rem; }
.tabla-cfg { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin-top: .8rem; overflow: hidden; }
.tabla-cfg th, .tabla-cfg td { padding: .6rem .8rem; border-bottom: 1px solid var(--line); text-align: right; font-size: .94rem; }
.tabla-cfg th:first-child, .tabla-cfg td:first-child { text-align: left; }
.tabla-cfg thead th { background: var(--surface-2); font-size: .8rem; color: var(--ink-2); font-weight: 650; }
.cta { margin-top: 1.6rem; }
.error-404 { text-align: center; padding-block: 4rem 2rem; }
.error-404 p { color: var(--ink-2); margin-block: .8rem 1.4rem; }

/* 11. Responsive ------------------------------------------------ */
@media (min-width: 720px) {
  .pasos-lista { grid-template-columns: repeat(3, 1fr); }
  .ideas-grid { grid-template-columns: repeat(2, 1fr); }
  .calc-form { padding: 1.3rem; }
}
@media (min-width: 960px) {
  body { padding-bottom: 0; }
  .barra-movil { display: none; }
  .ad-toast { bottom: 16px; }
  .calc { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem; }
  .resultados { position: sticky; top: 16px; }
  .ideas-grid { grid-template-columns: repeat(3, 1fr); }
  .hero { padding-block: 2rem 1.2rem; }
}
@media (min-width: 1280px) {
  .calc { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}
@media print {
  .site-header nav, .barra-movil, .ad-slot, .ad-toast, .acciones, .site-footer nav { display: none !important; }
}