/*
 * CalculaResina — site styles.
 * Look: deep ocean blue (a glossy resin pour) with warm amber (resin over wood)
 * on a soft, low-glare background. Bold Poppins headings, pill buttons,
 * dark title bands, white cards.
 */

@font-face {
  font-family: "Poppins";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fuentes/poppins-bold.02c7d57ce6.woff") format("woff");
}

:root {
  /* Color */
  --fondo: #f4f7f9;
  --superficie: #ffffff;
  --tinta: #0d1b24;
  --texto: #1c2b35;
  --suave: #576a77;
  --linea: #dce4ea;
  --campo-borde: #c5d2db;
  --oceano: #0b5f8a;
  --oceano-oscuro: #08486a;
  --oceano-claro: #e7f2f8;
  --oceano-brillo: #1b86b8;
  --ambar: #f2b34a;
  --ambar-oscuro: #b4741a;
  --ambar-claro: #fdf3e0;
  --sobre-ambar: #2b1a00;
  --noche: #0b1822;
  --noche-texto: #c9d8e2;
  --error: #b42318;

  /* Type */
  --fuente-titulos: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --fuente-texto: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --fuente-mono: ui-monospace, Menlo, Consolas, monospace;

  /* Shape */
  --radio: 16px;
  --radio-pequeno: 12px;
  --pildora: 999px;
  --sombra: 0 1px 2px rgba(13, 27, 36, .05), 0 8px 28px rgba(11, 95, 138, .08);
  --sombra-alta: 0 2px 4px rgba(13, 27, 36, .06), 0 16px 40px rgba(11, 95, 138, .14);
  --ancho: 1080px;
  --ancho-texto: 820px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 17px/1.65 var(--fuente-texto);
}
a { color: var(--oceano); text-underline-offset: 2px; }
a:hover { color: var(--oceano-oscuro); }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--oceano-brillo); outline-offset: 2px; }

h1, h2, h3, h4 {
  font-family: var(--fuente-titulos);
  font-weight: 700;
  color: var(--tinta);
  letter-spacing: -.015em;
  text-wrap: balance;
}
h1 { font-size: clamp(1.8rem, 4.2vw, 2.6rem); line-height: 1.15; margin: 8px 0 12px; }
h2 { font-size: clamp(1.35rem, 2.6vw, 1.7rem); line-height: 1.25; margin: 48px 0 14px; }
h3 { font-size: 1.15rem; line-height: 1.3; margin: 28px 0 8px; }
h4 { font-size: 1.02rem; line-height: 1.3; margin: 0 0 6px; }

.contenedor {
  max-width: var(--ancho);
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- Header ---------- */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(1.4) blur(8px);
  border-bottom: 1px solid var(--linea);
}
.cabecera-fila { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; min-height: 66px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; color: var(--tinta); }
.logo-marca { flex: none; }
.logo-texto { font-family: var(--fuente-titulos); font-weight: 700; font-size: 1.22rem; letter-spacing: -.02em; }
.logo-texto span { color: var(--oceano); }
.menu { display: flex; gap: 6px; flex-wrap: wrap; }
.menu a {
  font-weight: 600; font-size: .95rem; color: var(--texto); text-decoration: none;
  padding: 8px 14px; border-radius: var(--pildora);
}
.menu a:hover { background: var(--oceano-claro); color: var(--oceano-oscuro); }
.menu a[aria-current="page"] { background: var(--oceano); color: #fff; }

/* ---------- Title bands ---------- */
.banda {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 400px at 85% 0%, rgba(27, 134, 184, .35), transparent 70%),
    radial-gradient(600px 300px at 0% 100%, rgba(242, 179, 74, .12), transparent 70%),
    var(--noche);
  color: var(--noche-texto);
  padding-block: 28px 84px;
}
.banda h1 { color: #fff; max-width: 22ch; }
.banda .entradilla { color: var(--noche-texto); font-size: 1.1rem; max-width: 60ch; margin: 0; }
.banda .migas, .banda .migas a { color: #9fb5c3; }
.banda-contenido { position: relative; z-index: 2; }
.banda-icono {
  display: inline-grid; place-items: center; width: 52px; height: 52px; margin-top: 18px;
  border-radius: 14px; background: rgba(242, 179, 74, .16); color: var(--ambar);
}
.banda-icono .icono { width: 28px; height: 28px; }

/* Home hero */
.banda-portada { padding-block: 72px 80px; min-height: 480px; display: flex; align-items: center; }
.banda-portada .banda-contenido { width: 100%; }
.banda-portada h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.05; margin-top: 6px; }
.banda-etiqueta {
  display: inline-block; margin: 0; padding: 5px 12px; border-radius: var(--pildora);
  background: rgba(242, 179, 74, .16); color: var(--ambar);
  font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
}
.banda-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }
.banda-ventajas { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: .92rem; }
.banda-ventajas li::before { content: "✓"; color: var(--ambar); font-weight: 700; margin-right: 7px; }

/* Hero background: owner's photo, or the drawn resin pour */
.banda-foto { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.banda-portada:has(.banda-foto)::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(11, 24, 34, .92) 0%, rgba(11, 24, 34, .72) 45%, rgba(11, 24, 34, .2) 100%);
}
.banda-dibujo {
  position: absolute; right: 0; bottom: 0; width: min(62%, 720px); height: 100%; z-index: 0;
  /* Fade the drawing's left edge into the band so it never ends in a hard line */
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 38%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 38%);
}

/* ---------- Main content ---------- */
.cuerpo { padding-bottom: 24px; }
.cuerpo > .migas { margin-top: 18px; }
.contenido { max-width: var(--ancho-texto); }
.contenido p, .contenido li { max-width: 72ch; }
.entradilla { font-size: 1.08rem; color: var(--suave); margin: 0 0 22px; }
.actualizado { font-size: .85rem; color: var(--suave); }

/* Breadcrumbs */
.migas { font-size: .85rem; color: var(--suave); margin: 0; }
.migas a { color: var(--suave); }
.migas ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.migas li + li::before { content: "›"; margin-right: 6px; }

/* ---------- Buttons ---------- */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--fuente-titulos); font-weight: 700; font-size: 1rem; line-height: 1.2;
  padding: 13px 24px; border-radius: var(--pildora); border: 2px solid transparent;
  background: var(--oceano); color: #fff; text-decoration: none; cursor: pointer;
  transition: background-color .15s, transform .15s, box-shadow .15s;
}
.boton:hover { background: var(--oceano-oscuro); color: #fff; transform: translateY(-1px); }
.boton-ambar { background: var(--ambar); color: var(--sobre-ambar); }
.boton-ambar:hover { background: #ffc35e; color: var(--sobre-ambar); }
.boton-contorno { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .45); }
.boton-contorno:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }
.boton-grande { width: 100%; font-size: 1.08rem; padding: 15px; margin-top: 6px; box-shadow: 0 6px 18px rgba(11, 95, 138, .25); }

/* ---------- Calculator form ---------- */
.calc {
  position: relative;
  background: var(--superficie); border: 1px solid var(--linea); border-radius: 20px;
  box-shadow: var(--sombra-alta); padding: 26px; margin: -56px 0 12px;
}
.calc fieldset { border: 0; padding: 0; margin: 0; }
.calc legend, .calc label { font-weight: 600; font-size: .95rem; display: block; margin-bottom: 7px; color: var(--tinta); }
.fila { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; margin-bottom: 18px; }
.fila > * { min-width: 0; }
.campo { display: flex; flex-direction: column; }
.ayuda { font-size: .82rem; color: var(--suave); margin-top: 5px; font-weight: 400; }
input[type="text"], input[type="number"], select {
  width: 100%; font: inherit; font-size: 1rem; padding: 12px 14px;
  border: 1.5px solid var(--campo-borde); border-radius: var(--radio-pequeno);
  background: #fbfdfe; color: var(--tinta);
  transition: border-color .15s, box-shadow .15s;
}
input:hover, select:hover { border-color: #9fb3c0; }
input:focus, select:focus { outline: none; border-color: var(--oceano); box-shadow: 0 0 0 4px rgba(27, 134, 184, .18); background: #fff; }
.segmentado { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 4px; border-radius: var(--pildora); background: var(--oceano-claro); }
.segmentado label { margin: 0; font-weight: 600; }
.segmentado input { position: absolute; opacity: 0; pointer-events: none; }
.segmentado span { display: block; padding: 8px 16px; border-radius: var(--pildora); cursor: pointer; color: var(--oceano-oscuro); font-size: .95rem; }
.segmentado span:hover { background: rgba(255, 255, 255, .7); }
.segmentado input:checked + span { background: var(--oceano); color: #fff; box-shadow: 0 2px 6px rgba(11, 95, 138, .3); }
.segmentado input:focus-visible + span { outline: 3px solid var(--oceano-brillo); outline-offset: 1px; }
.grupo-opciones { min-width: 0; }
details.avanzado { margin: 2px 0 10px; }
details.avanzado summary { cursor: pointer; color: var(--oceano); font-weight: 600; font-size: .95rem; }
details.avanzado[open] summary { margin-bottom: 14px; }
.campo-casilla { justify-content: flex-end; }
.casilla { display: flex !important; align-items: center; gap: 10px; font-weight: 600; cursor: pointer; padding: 10px 0; }
.casilla input { width: 20px; height: 20px; accent-color: var(--oceano); }

/* Errors */
.error-campo { color: var(--error); font-size: .85rem; margin-top: 5px; }
[aria-invalid="true"] { border-color: var(--error) !important; }
.error { color: var(--error); font-size: .95rem; margin: 10px 0 0; }

/* ---------- Results ---------- */
.resultado { border-top: 1px dashed var(--linea); margin-top: 20px; padding-top: 20px; }
.resultado-titulo { margin: 0 0 14px; font-size: 1.2rem; }
.cifras { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.cifra { background: var(--oceano-claro); border-radius: 14px; padding: 15px 16px; min-width: 0; }
.cifra .etq { font-size: .76rem; color: var(--oceano-oscuro); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.cifra .val { font-family: var(--fuente-titulos); font-size: 1.65rem; font-weight: 700; line-height: 1.2; color: var(--tinta); font-variant-numeric: tabular-nums; margin-top: 2px; }
.cifra .sub { font-size: .86rem; color: var(--suave); }
/* The headline figure stands out */
.cifras > .cifra:first-child { background: linear-gradient(135deg, var(--oceano) 0%, var(--oceano-oscuro) 100%); }
.cifras > .cifra:first-child .etq { color: var(--ambar); }
.cifras > .cifra:first-child .val { color: #fff; }
.cifras > .cifra:first-child .sub { color: #cfe3ee; }
.aviso {
  background: var(--ambar-claro); border-left: 4px solid var(--ambar-oscuro);
  border-radius: 10px; padding: 12px 15px; margin: 14px 0 0; font-size: .95rem;
}
.aviso.ok { background: var(--oceano-claro); border-left-color: var(--oceano); }
.kit {
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  border: 1.5px solid #f0d4a3; background: var(--ambar-claro); border-radius: 14px; padding: 15px 18px; margin-top: 14px;
}
.kit p { margin: 0; }
.kit .boton { background: var(--ambar); color: var(--sobre-ambar); }
.kit .boton:hover { background: #ffc35e; color: var(--sobre-ambar); }
.nota-afiliado { font-size: .8rem; color: var(--suave); margin: 8px 0 0; }
.bloque-extra { border-top: 1px dashed var(--linea); margin-top: 20px; padding-top: 4px; }
.bloque-extra h3 { margin: 12px 0 10px; }

/* ---------- Article content ---------- */
.tabla-wrap { overflow-x: auto; margin: 14px 0; border-radius: var(--radio-pequeno); border: 1px solid var(--linea); }
table { border-collapse: collapse; width: 100%; background: var(--superficie); font-size: .95rem; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--linea); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
th { background: var(--oceano-claro); color: var(--oceano-oscuro); font-weight: 700; }
.formula {
  background: var(--superficie); border: 1px solid var(--linea); border-left: 4px solid var(--oceano);
  border-radius: 10px; padding: 12px 16px; font-family: var(--fuente-mono); font-size: .95rem; overflow-x: auto;
}
.faq details { background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio-pequeno); padding: 14px 18px; margin: 10px 0; }
.faq summary { font-weight: 700; cursor: pointer; color: var(--tinta); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--oceano); font-family: var(--fuente-titulos); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 10px 0 2px; }
.fuentes { font-size: .9rem; color: var(--suave); }

/* ---------- Calculator cards ---------- */
.tarjetas { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.tarjeta {
  position: relative; display: flex; flex-direction: column; gap: 6px;
  background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 20px; box-shadow: var(--sombra);
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta); border-color: #b9d4e3; }
.tarjeta h3, .tarjeta h4 { margin: 6px 0 0; font-size: 1.05rem; }
.tarjeta a { color: var(--tinta); text-decoration: none; }
/* Stretch the title link over the whole card */
.tarjeta a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.tarjeta a:focus-visible { outline: none; }
.tarjeta:has(a:focus-visible) { outline: 3px solid var(--oceano-brillo); outline-offset: 2px; }
.tarjeta p { margin: 0; color: var(--suave); font-size: .95rem; flex: 1; }
.tarjeta-icono {
  display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px;
  background: var(--oceano-claro); color: var(--oceano);
}
.tarjeta-accion { margin-top: 8px; font-weight: 700; font-size: .9rem; color: var(--ambar-oscuro); }
.relacionadas { margin-top: 56px; }

/* Home categories */
.categorias > h2 { margin-top: 56px; }
.categoria { margin-top: 30px; }
.categoria-cabecera { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 14px; margin-bottom: 14px; }
.categoria-cabecera h3 { margin: 0; font-size: 1.2rem; }
.categoria-cabecera p { margin: 0; color: var(--suave); font-size: .95rem; }
.ventajas-lista { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.ventajas-lista li { background: var(--superficie); border: 1px solid var(--linea); border-radius: var(--radio); padding: 18px 20px; display: grid; gap: 4px; }
.ventajas-lista strong { font-family: var(--fuente-titulos); color: var(--oceano-oscuro); }
.ventajas-lista span { color: var(--suave); font-size: .95rem; }

/* ---------- Footer ---------- */
.pie { margin-top: 72px; background: var(--noche); color: var(--noche-texto); font-size: .92rem; }
.pie-columnas { display: grid; grid-template-columns: 2fr 1.3fr 1fr; gap: 28px 40px; padding-block: 44px 36px; }
.pie a { color: #e4eef4; text-decoration: none; }
.pie a:hover { color: var(--ambar); text-decoration: underline; }
.pie p { margin: 8px 0; }
.logo-claro, .logo-claro:hover { color: #fff; text-decoration: none; }
.logo-claro .logo-texto span { color: var(--ambar); }
.pie-nota { color: #8ea6b5; font-size: .85rem; }
.pie-titulo { font-family: var(--fuente-titulos); font-weight: 700; color: #fff; margin-top: 0; }
.pie-lista ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; }

/* ---------- Accessibility ---------- */
.visualmente-oculto {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.saltar { position: absolute; left: -9999px; top: 8px; background: var(--oceano); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 30; }
.saltar:focus { left: 16px; }
[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
  .tarjeta:hover, .boton:hover { transform: none; }
}

/* ---------- Small screens ---------- */
@media (max-width: 760px) {
  .pie-columnas { grid-template-columns: 1fr; }
  .banda-dibujo { width: 100%; height: 45%; opacity: .55; }
  .banda-portada { padding-block: 48px 64px; min-height: 0; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .cabecera { position: static; }
  .cabecera-fila { padding-block: 10px; }
  .menu a { padding: 6px 10px; font-size: .9rem; }
  .calc { padding: 18px; border-radius: 16px; margin-top: -48px; }
  .cifra .val { font-size: 1.4rem; }
  .boton-contorno, .banda-acciones .boton { flex: 1 1 100%; }
}