/* SeenMetrics · web pública
   Base de SeenMetrics (blanco, tinta, rojo de señal, Stack Sans) con las piezas de
   BrandLens: las esquinas del recuadro de detección y el cuadro de emisión oscuro.
   El rojo solo marca lo que el sistema detecta o la acción principal. */

:root {
  --bg: #ffffff;
  --surface: #f2f2f2;
  --ink: #0a0a0a;
  --muted: #6b6b6b;
  --line: #e1e1e1;
  --red: #d92b21;
  --red-dark: #b8231b;
  --screen: #0d0d0d;
  --screen-2: #1a1a1a;
  --screen-line: #2c2c2c;
  --screen-ink: #f2f2f2;
  --screen-muted: #9a9a9a;

  --step-small: clamp(0.8125rem, 0.79rem + 0.1vw, 0.875rem);
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.2rem, 1.06rem + 0.7vw, 1.5rem);
  --step-head: clamp(1.75rem, 1.2rem + 2.4vw, 3rem);
  --step-display: clamp(2.5rem, 1.3rem + 5vw, 5.25rem);

  --pad: clamp(16px, 4vw, 48px);
  --gap: clamp(88px, 10vw, 176px);
  --max: 1240px;
  --radius: 2px;

  --font-head: "Stack Sans Headline", "Helvetica Neue", Arial, sans-serif;
  --font-text: "Stack Sans Text", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: var(--step-body);
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { color: var(--red); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
[hidden] { display: none !important; }

h1, h2, h3 { font-family: var(--font-head); font-weight: 300; letter-spacing: -0.02em; line-height: 1.04; margin: 0; }
h1 { font-size: var(--step-display); max-width: 15ch; }
h2 { font-size: var(--step-head); max-width: 22ch; }
h3 { font-family: var(--font-text); font-size: 1.0625rem; font-weight: 500; letter-spacing: 0; line-height: 1.3; }
p { margin: 0 0 1em; max-width: 64ch; }
.lead { font-size: var(--step-lead); line-height: 1.4; max-width: 40ch; color: var(--ink); }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.saltar { position: absolute; left: -9999px; }
.saltar:focus { left: var(--pad); top: 8px; z-index: 50; background: var(--ink); color: #fff; padding: 8px 12px; }

/* Botones y enlaces */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  font: 500 0.9375rem/1 var(--font-text);
  text-decoration: none; border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer; transition: background-color .15s, color .15s;
}
.btn-rojo { background: var(--red); color: #fff; }
.btn-rojo:hover { background: var(--red-dark); color: #fff; }
.btn-negro { background: var(--ink); color: #fff; }
.btn-negro:hover { background: #333; color: #fff; }
.btn-claro { background: transparent; color: inherit; border-color: currentColor; }
.btn-claro:hover { background: #fff; color: var(--ink); border-color: #fff; }
.enlace { font-weight: 500; text-decoration: underline; }
.acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; margin-top: 32px; }
.nota { color: var(--muted); font-size: var(--step-small); margin-top: 16px; }
.mas { margin-top: 32px; }

/* Cabecera */
.nav { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 20; }
.nav-in { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.marca { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 500; font-size: 1.125rem; letter-spacing: -0.01em; }
.marca:hover { color: inherit; }
.marca-simbolo { width: 26px; height: 26px; color: var(--ink); }
.menu { display: flex; align-items: center; gap: 26px; margin-left: auto; font-size: 0.9375rem; }
.menu a:not(.btn) { color: var(--muted); text-decoration: none; }
.menu a:not(.btn):hover, .menu a[aria-current="page"] { color: var(--ink); }
.menu a[aria-current="page"] { text-decoration: underline; }
.menu .idioma { padding-left: 26px; border-left: 1px solid var(--line); }
.menu .entrar { color: var(--ink) !important; font-weight: 500; }
.menu .btn { min-height: 42px; padding: 0 18px; }
.menu-boton { display: none; margin-left: auto; background: none; border: 1px solid var(--ink); border-radius: var(--radius); font: 500 0.9375rem var(--font-text); padding: 8px 14px; color: var(--ink); cursor: pointer; }

/* Portada */
.hero { padding: clamp(56px, 8vw, 120px) 0 var(--gap); }
.hero .lead { margin-top: 28px; max-width: 46ch; }

/* Demo: el cuadro de emisión */
.demo { margin-top: clamp(48px, 7vw, 96px); background: var(--screen); color: var(--screen-ink); border-radius: var(--radius); padding: clamp(16px, 2.4vw, 28px); }
.demo-pestanas { display: flex; gap: 4px; margin-bottom: 20px; flex-wrap: wrap; }
.demo-pestanas button {
  font: 500 0.875rem var(--font-text); color: var(--screen-muted); background: transparent;
  border: 1px solid var(--screen-line); border-radius: var(--radius); padding: 9px 14px; cursor: pointer;
}
.demo-pestanas button:hover { color: var(--screen-ink); }
.demo-pestanas button[aria-selected="true"] { color: var(--ink); background: var(--screen-ink); border-color: var(--screen-ink); }
.demo-cuerpo { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(16px, 2.4vw, 32px); align-items: start; }
.demo-cuadro { position: relative; border: 1px solid var(--screen-line); }
.cuadro svg { width: 100%; height: auto; }
.en-vivo { position: absolute; top: 10px; left: 10px; z-index: 2; display: inline-flex; align-items: center; gap: 8px; background: rgba(0,0,0,.72); padding: 5px 10px; font-size: 0.8125rem; }
.en-vivo i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); }
.en-vivo b { font-weight: 500; }

/* Recuadros de detección dentro de los cuadros */
.det .caja { fill: none; stroke: var(--red); stroke-width: 3; }
.det .etq rect { fill: var(--red); }
.det .etq text { fill: #fff; font: 600 11px var(--font-text); }
.demo .det { opacity: 0; transition: opacity .12s; }
.demo .det.visible { opacity: 1; }

.demo-cabeza { display: flex; justify-content: space-between; font-size: 0.9375rem; padding-bottom: 12px; border-bottom: 1px solid var(--screen-line); }
.demo-cabeza span:first-child { font-weight: 500; }
.demo-cuenta { color: var(--screen-muted); }
.demo-marcas { list-style: none; margin: 0; padding: 0; }
.demo-marcas li { display: grid; grid-template-columns: 12px 1fr auto auto; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--screen-line); font-size: 0.9375rem; }
.demo-marcas .punto { width: 10px; height: 10px; background: #555; }
.demo-marcas li.activa .punto { background: var(--red); }
.demo-marcas .zona { color: var(--screen-muted); font-size: 0.8125rem; display: block; }
.demo-marcas .seg { font-weight: 500; text-align: right; min-width: 4.5ch; }
.demo-marcas .veces { color: var(--screen-muted); font-size: 0.8125rem; text-align: right; min-width: 3.5ch; }
.demo-pistas { margin-top: 18px; display: grid; gap: 7px; }
.demo-pistas svg { width: 100%; height: 12px; background: #161616; }
.demo-pistas rect { fill: #3a3a3a; }
.demo-pistas rect.pasado { fill: var(--screen-ink); }
.demo-pistas line { stroke: var(--red); stroke-width: 1.5; }
.demo-escala { display: flex; justify-content: space-between; color: var(--screen-muted); font-size: 0.75rem; margin-top: 6px; }
.demo-etiqueta { display: block; margin-top: 16px; font-size: 0.8125rem; color: var(--screen-muted); }
.demo-tiempo { width: 100%; margin: 8px 0 4px; accent-color: var(--red); }
.demo-lectura { font-size: 0.875rem; color: var(--screen-muted); margin: 0; min-height: 2.8em; }
.demo-lectura b { color: var(--screen-ink); font-weight: 500; }
.aclaracion { color: var(--screen-muted); font-size: 0.75rem; margin: 16px 0 0; }

/* Bloques */
.bloque { padding: 0 0 var(--gap); }
.bloque-cabeza { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 5vw, 64px); padding-top: 28px; border-top: 1px solid var(--ink); }
.bloque-cabeza p { color: var(--muted); margin: 0; }
.bloque-cabeza:has(> :only-child) { grid-template-columns: 1fr; }
.bloque-oscuro { background: var(--screen); color: var(--screen-ink); padding-top: var(--gap); margin-bottom: var(--gap); }
.bloque-oscuro .bloque-cabeza { border-top-color: var(--screen-ink); }
.bloque-oscuro .bloque-cabeza p { color: var(--screen-muted); }

/* Tres pasos */
.pasos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; counter-reset: paso; }
.pasos li { counter-increment: paso; }
.pasos h3::before { content: counter(paso); display: block; font: 300 2.5rem/1 var(--font-head); color: var(--red); margin-bottom: 18px; }
.pasos p { color: var(--muted); }
.mini { margin-top: 20px; background: var(--surface); padding: 18px; font-size: 0.875rem; min-height: 132px; display: grid; gap: 8px; align-content: start; }
.mini .campo { background: #fff; border: 1px solid var(--line); padding: 10px 12px; color: var(--muted); }
.mini .fila { display: flex; justify-content: space-between; gap: 12px; }
.mini .fila span { color: var(--muted); }
.mini .barra { width: 100%; height: 4px; }
.mini .barra rect { fill: var(--ink); }

/* Una aparición, todas sus medidas */
.aparicion { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.aparicion-imagen { margin: 0; position: sticky; top: 96px; }
.aparicion-imagen svg { width: 100%; height: auto; }
.aparicion-imagen figcaption { color: var(--muted); font-size: var(--step-small); margin-top: 12px; }
.medidas { margin: 0; }
.medidas > div { display: grid; grid-template-columns: auto 1fr auto; column-gap: 10px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.medidas > div:first-child { border-top: 1px solid var(--line); }
.medidas dt { font-weight: 500; }
.medidas > div::before { content: ""; grid-column: 2; grid-row: 1; border-bottom: 1px dotted #b5b5b5; align-self: center; margin-top: 0.3em; }
.medidas dt { grid-column: 1; grid-row: 1; }
.medidas dd { grid-column: 3; grid-row: 1; margin: 0; font-weight: 500; text-align: right; }
.medidas p { grid-column: 1 / -1; color: var(--muted); font-size: var(--step-small); margin: 4px 0 0; }

/* Zonas con barras */
.zonas-barras { list-style: none; margin: 0; padding: 0; }
.zonas-barras li { display: grid; grid-template-columns: minmax(150px, 220px) 1fr 4.5ch; gap: 20px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.zonas-barras li:first-child { border-top: 1px solid var(--line); }
.zonas-barras svg { width: 100%; height: 8px; }
.zonas-barras rect { fill: var(--ink); }
.zonas-barras li:first-child rect { fill: var(--red); }
.zonas-barras b { font-weight: 500; text-align: right; }

/* Informe */
.tabla-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.informe { width: 100%; min-width: 880px; border-collapse: collapse; font-size: 0.9375rem; }
.informe caption { caption-side: bottom; text-align: left; color: var(--screen-muted); font-size: 0.8125rem; padding-top: 14px; }
.informe th, .informe td { padding: 14px 12px 14px 0; text-align: left; border-bottom: 1px solid var(--screen-line); white-space: nowrap; vertical-align: middle; }
.informe thead th { color: var(--screen-muted); font-weight: 400; font-size: 0.8125rem; }
.informe tbody th { font-weight: 500; }
.informe td:last-child { text-align: right; font-weight: 500; padding-right: 0; }
.informe .cuota { display: inline-block; margin-right: 10px; vertical-align: middle; }
.informe .cuota rect { fill: var(--red); }
.informe .minuto rect { fill: var(--screen-ink); }
.informe .minuto rect.vacio { fill: #444; }

/* Quién: preguntas */
.quien { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 64px; }
.quien li { display: grid; gap: 6px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.quien b { font-weight: 500; }
.quien span { color: var(--muted); font-family: var(--font-head); font-weight: 300; font-size: 1.375rem; line-height: 1.25; }

/* Cierre */
.cierre { background: var(--ink); color: #fff; padding: var(--gap) 0; }
.cierre .lead { color: #cfcfcf; margin-top: 24px; }
.enlace-claro { color: #fff; }

/* Páginas interiores */
.cabecera { padding: clamp(56px, 8vw, 112px) 0 clamp(56px, 7vw, 96px); }
.cabecera .lead { margin-top: 24px; color: var(--muted); }
.dos-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px clamp(32px, 6vw, 96px); }
.dos-col h2 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); margin-bottom: 20px; }
.alinear-final { align-self: end; justify-self: start; }
.formula { font-family: var(--font-head); font-size: 1.25rem; border-left: 3px solid var(--red); padding-left: 16px; }

.recorrido { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; counter-reset: paso; }
.recorrido li { counter-increment: paso; }
.recorrido h2 { font-size: 1.5rem; margin: 20px 0 10px; }
.recorrido h2::before { content: counter(paso) "  "; color: var(--red); white-space: pre; }
.recorrido p { color: var(--muted); }
.miniatura { background: var(--surface); padding: 16px; }
.miniatura svg { width: 100%; height: auto; }

.plano { margin: 0 0 40px; }
.plano svg { width: 100%; height: auto; }
.zonas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; margin: 0; }
.zonas > div { padding: 18px 0; border-top: 1px solid var(--line); }
.zonas dt { font-weight: 500; margin-bottom: 6px; }
.zonas dd { margin: 0; color: var(--muted); font-size: 0.9375rem; }

.comparar { width: 100%; min-width: 640px; border-collapse: collapse; }
.comparar th, .comparar td { text-align: left; padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.comparar thead th { font-weight: 500; }
.comparar tbody th { font-weight: 400; color: var(--muted); width: 22%; }

.publicos { list-style: none; margin: 0; padding: 0; }
.publicos li { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 64px; padding: 40px 0; border-top: 1px solid var(--ink); }
.publicos .pregunta { font-family: var(--font-head); font-weight: 300; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); line-height: 1.15; margin: 0; }
.publicos h2 { font-family: var(--font-text); font-size: 1.0625rem; font-weight: 500; letter-spacing: 0; margin-bottom: 10px; }
.publicos p { color: var(--muted); }
.encaja { font-size: var(--step-small); margin: 0; }

/* Precios */
.calculadora { background: var(--surface); padding: clamp(20px, 3vw, 36px); margin-bottom: 56px; }
.calculadora h2 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); margin-bottom: 24px; }
.calc-campos { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 40px; }
.calc-campos label { display: grid; gap: 10px; font-weight: 500; font-size: 0.9375rem; }
.calc-valor { font: 300 2rem/1 var(--font-head); }
.calc-campos input[type="range"] { accent-color: var(--red); width: 100%; }
select, input[type="text"], input[type="email"], textarea {
  font: 400 1rem var(--font-text); color: var(--ink); background: #fff;
  border: 1px solid #bdbdbd; border-radius: var(--radius); padding: 12px; width: 100%;
}
select:focus, input:focus, textarea:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 2px var(--ink); }
.calc-resultado { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 20px; margin: 28px 0 0; padding-top: 20px; border-top: 1px solid #cfcfcf; max-width: none; }
.calc-resultado b { font: 300 2.5rem/1 var(--font-head); color: var(--red); }
#calc-horas, #calc-detalle { color: var(--muted); }

.precios { width: 100%; min-width: 760px; border-collapse: collapse; }
.precios th, .precios td { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.precios tbody th { font-weight: 400; color: var(--muted); width: 25%; }
.precios thead th { vertical-align: bottom; border-bottom: 1px solid var(--ink); }
.precios .plan { display: block; font-weight: 500; }
.precios .cuota { display: block; font: 300 2.25rem/1.1 var(--font-head); margin-top: 8px; }
.precios .eur { display: block; color: var(--muted); font-size: var(--step-small); }
.precios .destacado { background: #fbeceb; }
.precios th.destacado { box-shadow: inset 0 3px 0 var(--red); }
.precios th, .precios td { padding-left: 12px; }
.precios tbody th { padding-left: 0; }

.enterprise { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 24px; background: var(--ink); color: #fff; padding: clamp(24px, 4vw, 48px); margin-top: 56px; }
.enterprise h2 { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); margin-bottom: 12px; }
.enterprise p { color: #cfcfcf; margin: 0; }

.preguntas details { border-bottom: 1px solid var(--line); }
.preguntas details:first-child { border-top: 1px solid var(--line); }
.preguntas summary { cursor: pointer; padding: 20px 32px 20px 0; font-weight: 500; list-style: none; position: relative; }
.preguntas summary::-webkit-details-marker { display: none; }
.preguntas summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font: 300 1.5rem var(--font-head); }
.preguntas details[open] summary::after { content: "–"; }
.preguntas p { color: var(--muted); padding-bottom: 12px; }

/* Contacto */
.formulario { display: grid; gap: 8px; max-width: 560px; }
.formulario label { font-weight: 500; font-size: 0.9375rem; margin-top: 12px; }
.formulario .btn { justify-self: start; margin-top: 20px; }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.enviado { border-left: 3px solid var(--red); padding: 8px 0 8px 20px; margin-bottom: 32px; }
.enviado h2 { font-size: 1.75rem; margin-bottom: 8px; }
.despues { list-style: none; margin: 0 0 32px; padding: 0; counter-reset: paso; }
.despues li { counter-increment: paso; display: grid; grid-template-columns: 2.5rem 1fr; padding: 16px 0; border-bottom: 1px solid var(--line); }
.despues li::before { content: counter(paso); grid-row: span 2; font: 300 1.5rem/1 var(--font-head); color: var(--red); }
.despues b { font-weight: 500; }
.despues span { color: var(--muted); font-size: 0.9375rem; }

/* Documentos legales */
.documento { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 64px; }
.indice { position: sticky; top: 96px; align-self: start; font-size: 0.9375rem; }
.indice b { font-weight: 500; }
.indice ol { padding-left: 1.2em; color: var(--muted); }
.indice a { text-decoration: none; }
.legal h2 { font-size: 1.5rem; margin: 40px 0 12px; scroll-margin-top: 96px; }
.legal h2:first-child { margin-top: 0; }

/* 404 */
.fuera-de-plano { padding: clamp(72px, 12vw, 160px) 0; }
.recuadro-vacio { width: 120px; height: 80px; margin-bottom: 40px; }

/* Pie */
.pie { border-top: 1px solid var(--line); padding: 56px 0 40px; font-size: 0.9375rem; }
.pie-in { display: grid; grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)); gap: 32px 48px; }
.pie-marca p { color: var(--muted); max-width: 34ch; margin-top: 14px; }
.pie nav { display: grid; gap: 10px; align-content: start; }
.pie nav a { color: var(--muted); text-decoration: none; }
.pie nav a:hover { color: var(--ink); }
.pie-legal { grid-column: 1 / -1; color: var(--muted); font-size: var(--step-small); border-top: 1px solid var(--line); padding-top: 20px; margin: 16px 0 0; max-width: none; }

/* Móvil y tableta */
@media (max-width: 980px) {
  .menu-boton { display: inline-block; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 72px; background: var(--bg); border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; gap: 0; padding: 8px var(--pad) 20px; }
  .menu.abierto { display: flex; }
  .menu a:not(.btn) { padding: 12px 0; width: 100%; color: var(--ink); }
  .menu .idioma { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); margin-top: 8px; padding-top: 16px; }
  .menu .btn { margin-top: 12px; }
  .nav-in { position: relative; }
  .demo-cuerpo { grid-template-columns: 1fr; }
  .bloque-cabeza, .aparicion, .dos-col, .publicos li { grid-template-columns: 1fr; }
  .aparicion-imagen { position: static; }
  .pasos, .recorrido { grid-template-columns: 1fr; }
  .zonas { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .documento { grid-template-columns: 1fr; gap: 32px; }
  .indice { position: static; }
  .pie-in { grid-template-columns: 1fr 1fr; }
  .pie-marca { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .quien, .zonas, .calc-campos { grid-template-columns: 1fr; }
  .zonas-barras li { grid-template-columns: 1fr 4.5ch; }
  .zonas-barras svg { grid-column: 1 / -1; grid-row: 2; }
  .demo-marcas li { grid-template-columns: 12px 1fr auto; }
  .demo-marcas .veces { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}