/* IrisNodes — web comercial. Misma paleta que IrisWeb (ver IrisWeb/wwwroot/estilo.css y CONTEXTO_IRISWEB.md):
   tinta y pétalo de fondo, dorado = la acción principal, teal = lo positivo. */

:root {
  --ink: #2B2140;
  --petal: #4A3B78;
  --gold: #D6A24C;
  --gold-hover: #c8913a;
  --teal: #2F7A6B;
  --paper: #F6F3EE;
  --mist: #DCD6E8;
  --blanco: #ffffff;
  --texto: #2B2140;
  --suave: #6b6480;
  --claro-sobre-oscuro: #d9d4e8;

  --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radio: 14px;
  --ancho: 1120px;
  --sombra: 0 18px 50px -24px rgba(43, 33, 64, .35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--texto);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--petal); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; }
h1, h2 { font-family: var(--serif); font-weight: normal; letter-spacing: -.01em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 20px; }

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 10;
  background: rgba(43, 33, 64, .96);
  backdrop-filter: blur(8px);
  color: var(--claro-sobre-oscuro);
}
.cabecera__fila { display: flex; align-items: center; gap: 24px; height: 66px; }
.marca { display: flex; align-items: baseline; gap: 8px; color: var(--blanco); text-decoration: none; }
.marca__iris { font-family: var(--serif); font-style: italic; font-size: 30px; line-height: 1; }
.marca__nodes { font-size: 12px; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); }
.nav { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav a { color: var(--claro-sobre-oscuro); text-decoration: none; font-size: 15px; }
.nav a:hover, .nav a.activo { color: var(--blanco); }
.nav a.activo { box-shadow: inset 0 -2px 0 var(--gold); padding-bottom: 4px; }
.nav-movil { display: none; margin-left: auto; }
.nav-movil summary { list-style: none; cursor: pointer; color: var(--blanco); font-size: 15px; padding: 8px 12px; border: 1px solid rgba(255,255,255,.25); border-radius: 8px; }
.nav-movil summary::-webkit-details-marker { display: none; }
.nav-movil[open] .nav-movil__menu { display: flex; }
.nav-movil__menu {
  display: none; flex-direction: column; gap: 4px;
  position: absolute; left: 0; right: 0; top: 66px;
  background: var(--ink); padding: 12px 20px 20px;
}
.nav-movil__menu a { color: var(--claro-sobre-oscuro); text-decoration: none; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); }

/* ---------- Botones ---------- */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600; font-size: 16px;
  padding: 14px 26px; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .15s ease;
  font-family: var(--sans);
}
.btn:hover { transform: translateY(-1px); }
.btn--oro { background: var(--gold); color: var(--ink); }
.btn--oro:hover { background: var(--gold-hover); }
.btn--hueco { border-color: rgba(255,255,255,.35); color: var(--blanco); }
.btn--hueco-oscuro { border-color: var(--petal); color: var(--petal); }
.btn--pequeno { padding: 9px 18px; font-size: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(214,162,76,.22), transparent 60%),
    radial-gradient(700px 500px at 10% 100%, rgba(47,122,107,.25), transparent 60%),
    linear-gradient(160deg, var(--ink) 0%, #3a2d5e 55%, var(--petal) 100%);
  color: var(--blanco);
  padding: 90px 0 110px;
}
.hero__rejilla { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero h1 em { color: var(--gold); }
.hero__sub { font-size: 1.2rem; color: var(--claro-sobre-oscuro); max-width: 34em; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 18px; }
.hero__nota { font-size: 14px; color: #b7afcf; }
.hero__nota a { color: var(--gold); }
.hero__nota strong { color: var(--blanco); }
.hero--corto { padding: 70px 0 70px; }
.hero--corto .hero__sub { max-width: 42em; }

.sello {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--gold); background: rgba(214,162,76,.12); border: 1px solid rgba(214,162,76,.4);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.sello__punto { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(214,162,76,.25); }

/* ---------- Maqueta de móvil / chat ---------- */
.maqueta {
  background: #f3efe8; color: var(--ink);
  border-radius: 28px; padding: 18px 16px 22px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.55);
  border: 8px solid #1d162d; max-width: 360px; margin: 0 auto;
}
.maqueta__barra { display: flex; align-items: center; gap: 10px; padding: 4px 4px 14px; border-bottom: 1px solid var(--mist); margin-bottom: 14px; }
.maqueta__avatar { width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--petal), var(--teal)); color: #fff; display: grid; place-items: center; font-family: var(--serif); font-style: italic; }
.maqueta__nombre { font-weight: 600; font-size: 15px; }
.maqueta__estado { font-size: 12px; color: var(--teal); }
.burbuja { max-width: 82%; padding: 9px 13px; border-radius: 16px; font-size: 14px; line-height: 1.4; margin: 8px 0; box-shadow: 0 1px 1px rgba(0,0,0,.06); }
.burbuja--cliente { background: #fff; border-bottom-left-radius: 4px; }
.burbuja--iris { background: #e4f1ed; margin-left: auto; border-bottom-right-radius: 4px; }
.burbuja small { display: block; font-size: 11px; color: var(--suave); margin-top: 3px; text-align: right; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; margin-top: 6px; }
.chip { font-size: 12px; background: #fff; border: 1px solid var(--teal); color: var(--teal); border-radius: 999px; padding: 4px 10px; }

/* ---------- Secciones ---------- */
.seccion { padding: 96px 0; }
.seccion--blanca { background: var(--blanco); }
.seccion--oscura { background: var(--ink); color: var(--claro-sobre-oscuro); }
.seccion--oscura h2, .seccion--oscura h3 { color: var(--blanco); }
.seccion__cabeza { max-width: 44em; margin: 0 auto 56px; text-align: center; }
.seccion__cabeza p { color: var(--suave); font-size: 1.1rem; }
.seccion--oscura .seccion__cabeza p { color: #b7afcf; }
.antetitulo { display: block; font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.seccion--oscura .antetitulo { color: var(--gold); }

.rejilla { display: grid; gap: 22px; }
.rejilla--3 { grid-template-columns: repeat(3, 1fr); }
.rejilla--2 { grid-template-columns: repeat(2, 1fr); }

.tarjeta {
  background: var(--blanco); border: 1px solid var(--mist); border-radius: var(--radio);
  padding: 28px; box-shadow: var(--sombra);
}
.seccion--blanca .tarjeta { background: var(--paper); box-shadow: none; }
.seccion--oscura .tarjeta { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); box-shadow: none; }
.tarjeta p { color: var(--suave); margin: 0; font-size: 16px; }
.seccion--oscura .tarjeta p { color: #b7afcf; }
.icono-tarjeta {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(74,59,120,.12), rgba(47,122,107,.14)); color: var(--petal);
}
.icono-tarjeta svg { width: 24px; height: 24px; }
.seccion--oscura .icono-tarjeta { background: rgba(214,162,76,.14); color: var(--gold); }

/* Dolor → solución */
.dolor { border-left: 3px solid var(--gold); padding: 6px 0 6px 18px; margin-bottom: 18px; }
.dolor strong { display: block; font-family: var(--serif); font-size: 1.3rem; font-weight: normal; color: var(--ink); }
.dolor span { color: var(--suave); }

/* Pasos */
.pasos { counter-reset: paso; }
.paso { position: relative; padding-top: 56px; }
.paso::before {
  counter-increment: paso; content: counter(paso);
  position: absolute; top: 0; left: 0; width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--serif); font-size: 1.3rem;
  background: var(--gold); color: var(--ink);
}

/* Bloques de funciones detalladas */
.funcion { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--mist); }
.funcion:last-child { border-bottom: 0; }
.funcion--invertida .funcion__visual { order: -1; }
.funcion ul { padding-left: 1.2em; color: var(--suave); }
.funcion li { margin-bottom: .45em; }
.funcion li strong { color: var(--texto); }
.funcion__visual {
  background: linear-gradient(160deg, var(--ink), var(--petal)); border-radius: 22px; padding: 28px;
  min-height: 260px; display: grid; place-items: center; box-shadow: var(--sombra);
}

/* Maqueta de flujo (nodos) */
.flujo { display: flex; flex-direction: column; align-items: center; gap: 0; width: 100%; max-width: 320px; }
.nodo {
  width: 100%; background: #fff; color: var(--ink); border-radius: 10px; padding: 10px 14px; font-size: 14px;
  border-left: 4px solid var(--teal); box-shadow: 0 6px 16px -8px rgba(0,0,0,.4);
}
.nodo small { display: block; font-size: 11px; color: var(--suave); text-transform: uppercase; letter-spacing: .08em; }
.nodo--disparador { border-left-color: var(--gold); }
.nodo--humano { border-left-color: #b98ad6; }
.flecha { width: 2px; height: 22px; background: rgba(255,255,255,.45); }
.rama { display: flex; gap: 12px; width: 100%; }
.rama .nodo { font-size: 13px; }

/* Maqueta de calendario */
.agenda { width: 100%; max-width: 330px; background: #fff; border-radius: 14px; padding: 16px; color: var(--ink); font-size: 14px; }
.agenda__fila { display: flex; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--mist); }
.agenda__fila:last-child { border-bottom: 0; }
.agenda__hora { font-weight: 700; color: var(--petal); width: 48px; }
.agenda__aviso { margin-left: auto; font-size: 11px; color: var(--teal); background: #e4f1ed; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }

/* Estadística grande */
.cifras { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
.cifra strong { display: block; font-family: var(--serif); font-size: 2.6rem; color: var(--gold); font-weight: normal; }
.cifra span { font-size: 15px; color: #b7afcf; }

/* Público */
.publico { display: grid; grid-template-columns: 90px 1fr; gap: 22px; padding: 30px; }
.publico__emoji { font-size: 44px; line-height: 1; }
.publico h3 { font-family: var(--serif); font-weight: normal; font-size: 1.5rem; }
.publico .escena { font-style: italic; color: var(--petal); border-left: 2px solid var(--mist); padding-left: 14px; margin: 12px 0; }

/* FAQ */
.faq details { background: var(--blanco); border: 1px solid var(--mist); border-radius: 12px; padding: 18px 22px; margin-bottom: 12px; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 17px; }
.faq details p { margin: 12px 0 0; color: var(--suave); }

/* CTA final */
.cta-final {
  text-align: center; padding: 96px 0;
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(214,162,76,.25), transparent 70%),
    linear-gradient(160deg, var(--ink), var(--petal));
  color: var(--blanco);
}
.cta-final p { color: var(--claro-sobre-oscuro); max-width: 38em; margin: 0 auto 30px; font-size: 1.15rem; }

/* ---------- Formulario ---------- */
.formulario-caja { max-width: 720px; margin: -60px auto 0; position: relative; }
.formulario { background: var(--blanco); border-radius: 20px; padding: 40px; box-shadow: var(--sombra); border: 1px solid var(--mist); }
.campo { margin-bottom: 20px; }
.campo label { display: block; font-weight: 600; font-size: 15px; margin-bottom: 6px; }
.campo .opcional { font-weight: normal; color: var(--suave); font-size: 13px; }
.campo input[type=text], .campo input[type=email], .campo input[type=tel], .campo select, .campo textarea {
  width: 100%; font: inherit; font-size: 16px; color: var(--texto);
  padding: 12px 14px; border: 1px solid var(--mist); border-radius: 10px; background: var(--paper);
}
.campo textarea { min-height: 120px; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: 2px solid var(--gold); border-color: transparent; background: #fff; }
.campo--error input, .campo--error select, .campo--error textarea { border-color: #B23A48; }
.error { color: #B23A48; font-size: 14px; margin-top: 5px; }
.dos-campos { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; color: var(--suave); }
.check input { margin-top: 5px; width: 18px; height: 18px; accent-color: var(--teal); }
.trampa { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.aviso-error { background: #fbeef0; border: 1px solid #f0c9cf; color: #8a2a36; padding: 14px 18px; border-radius: 10px; margin-bottom: 24px; }

/* ---------- Texto largo (privacidad) ---------- */
.texto-largo { max-width: 760px; margin: 0 auto; }
.texto-largo h2 { font-size: 1.6rem; margin-top: 1.6em; }

/* ---------- Pie ---------- */
.pie { background: #1d162d; color: #8f88a8; padding: 48px 0 36px; font-size: 14px; }
.pie__fila { display: flex; flex-wrap: wrap; gap: 24px 40px; justify-content: space-between; align-items: flex-start; }
.pie a { color: var(--claro-sobre-oscuro); text-decoration: none; }
.pie a:hover { color: var(--blanco); }
.pie__enlaces { display: flex; gap: 22px; flex-wrap: wrap; }
.pie__lema { max-width: 26em; margin-top: 10px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .nav-movil { display: block; }
  .hero { padding: 64px 0 80px; }
  .hero__rejilla, .funcion, .rejilla--2 { grid-template-columns: 1fr; gap: 36px; }
  .funcion--invertida .funcion__visual { order: 0; }
  .rejilla--3 { grid-template-columns: 1fr; }
  .cifras { grid-template-columns: repeat(2, 1fr); }
  .seccion { padding: 68px 0; }
  .formulario { padding: 26px 20px; }
  .dos-campos { grid-template-columns: 1fr; gap: 0; }
  .publico { grid-template-columns: 1fr; gap: 8px; padding: 24px; }
}

/* Utilidades (la CSP no admite atributos style="") */
.rejilla--centrada { align-items: center; gap: 56px; }
.texto-suave { color: var(--suave); }
.centrado { text-align: center; }
.mt-grande { margin-top: 40px; }
.hero__sub--centrado { margin: 0 auto; }
.hero__acciones--centradas { justify-content: center; }
.btn--ancho { width: 100%; font-size: 17px; padding: 16px 26px; }
.seccion--formulario { padding-top: 0; }