/* Landing de IndustrialAI. Sin dependencias externas: ni fuentes remotas, ni cookies, ni rastreadores. */
:root {
  --tinta: #131922;
  --tinta-2: #4a5565;
  --papel: #f7f5f0;
  --blanco: #ffffff;
  --linea: #e2ded4;
  --acento: #c2410c;
  --acento-hover: #9a3412;
  --acento-suave: #fff1e8;
  --acento-claro: #fb923c;
  --oscuro: #0f141b;
  --oscuro-2: #171e28;
  --oscuro-linea: #2a3443;
  --sobre-oscuro: #e9edf3;
  --sobre-oscuro-2: #a3aebd;
  --ok: #15803d;
  --ok-suave: #e8f6ed;
  --radio: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--papel);
  color: var(--tinta);
}
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; text-wrap: balance; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); font-weight: 750; max-width: 22ch; }
h3 { font-size: 1.15rem; font-weight: 700; letter-spacing: -.01em; }
a { color: inherit; }
svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
:focus-visible { outline: 3px solid var(--acento-claro); outline-offset: 3px; border-radius: 6px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.sec { padding: 92px 0; }
.sec-blanca { background: var(--blanco); border-block: 1px solid var(--linea); }
.sec-osc { background: var(--oscuro); color: var(--sobre-oscuro); }
[id] { scroll-margin-top: 76px; }

.eyebrow {
  font: 600 12px/1.4 var(--mono); letter-spacing: .09em; text-transform: uppercase;
  color: var(--acento-claro); margin-bottom: 18px; max-width: none;
}
.eyebrow-osc { color: var(--acento); }
.intro { font-size: 1.12rem; color: var(--tinta-2); max-width: 62ch; margin-top: 18px; }
.sec-osc .intro { color: var(--sobre-oscuro-2); }
.nota { font-size: .82rem; color: var(--tinta-2); margin-top: 22px; text-align: center; }
.nota-izq { text-align: left; }

/* ------------------------------------------------------------ botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 10px; border: 1px solid transparent;
  background: var(--acento); color: #fff; font-weight: 650; text-decoration: none;
  transition: background .15s, border-color .15s, transform .15s;
}
.btn:hover { background: var(--acento-hover); }
.btn:active { transform: translateY(1px); }
.btn-peq { padding: 8px 14px; font-size: .9rem; }
.btn-gr { padding: 15px 24px; font-size: 1.02rem; }
.btn-linea { background: transparent; border-color: var(--oscuro-linea); color: var(--sobre-oscuro); }
.btn-linea:hover { background: rgba(255, 255, 255, .06); border-color: var(--sobre-oscuro-2); }
.cta-fila { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.cta-centro { justify-content: center; }

/* ------------------------------------------------------------ nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(15, 20, 27, .92); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--oscuro-linea); color: var(--sobre-oscuro);
}
.nav-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 62px; }
.marca { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.marca-txt strong { display: block; font-size: 1rem; line-height: 1.2; }
.marca-txt span { display: block; font-size: .72rem; color: var(--sobre-oscuro-2); line-height: 1.2; }
.logo {
  width: 34px; height: 34px; flex: none; border-radius: 8px; background: var(--acento); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 14px; letter-spacing: .5px;
}
.logo-peq { width: 24px; height: 24px; border-radius: 6px; font-size: 10px; }
.nav-links { display: flex; gap: 26px; font-size: .92rem; }
.nav-links a { text-decoration: none; color: var(--sobre-oscuro-2); }
.nav-links a:hover { color: #fff; }
.nav-der { display: flex; align-items: center; gap: 10px; }
.sel-idioma {
  appearance: none; -webkit-appearance: none; cursor: pointer;
  font: 600 .82rem/1 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; letter-spacing: .04em;
  color: var(--sobre-oscuro); border: 1px solid var(--oscuro-linea); border-radius: 8px;
  padding: 9px 26px 9px 11px;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23a3aebd' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 9px center / 9px;
}
.sel-idioma:hover { border-color: var(--sobre-oscuro-2); }
.sel-idioma option { background: var(--blanco); color: var(--tinta); }

/* ------------------------------------------------------------ hero */
.hero {
  background:
    radial-gradient(900px 480px at 88% -8%, rgba(194, 65, 12, .28), transparent 62%),
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px) 0 0 / 34px 34px,
    var(--oscuro);
  color: var(--sobre-oscuro);
  padding: 84px 0 96px;
}
.hero-in { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.15rem, 4.5vw, 3.5rem); font-weight: 780; letter-spacing: -.03em; }
.hero h1 em { font-style: normal; color: var(--acento-claro); }
.lead { font-size: 1.15rem; color: var(--sobre-oscuro-2); margin-top: 22px; max-width: 56ch; }
.hero-punti { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 28px; font-size: .9rem; color: var(--sobre-oscuro-2); }
.hero-punti li { display: flex; align-items: center; gap: 7px; }
.hero-punti svg { width: 16px; height: 16px; color: var(--acento-claro); stroke-width: 2.4; }

/* maqueta de la consulta */
.mock {
  background: var(--blanco); color: var(--tinta); border-radius: 16px; overflow: hidden;
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45), 0 0 0 1px rgba(255, 255, 255, .08);
  font-size: .9rem; line-height: 1.5;
}
.mock-barra {
  display: flex; align-items: center; gap: 8px; padding: 11px 14px;
  border-bottom: 1px solid var(--linea); background: #fbfaf7;
}
.mock-barra strong { font-size: .88rem; }
.chip {
  margin-left: auto; font-size: .72rem; padding: 3px 9px; border-radius: 999px;
  background: #eef0f3; color: var(--tinta-2); white-space: nowrap;
}
.mock-cuerpo { padding: 16px 14px 6px; display: grid; gap: 12px; background: #f4f5f7; }
.msg { border-radius: 12px; padding: 11px 13px; max-width: 92%; }
.msg p + p { margin-top: 8px; }
.msg-tec { justify-self: end; background: #1f2a3c; color: #f5f7fa; display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; align-items: center; }
.msg-tec p { grid-column: 1 / -1; margin-top: 4px; }
.adj { font: 500 .74rem var(--mono); color: #b9c3d2; }
.placa {
  width: 46px; height: 32px; border-radius: 4px; background: linear-gradient(135deg, #c9ced6, #8d96a3);
  display: grid; gap: 3px; padding: 6px 6px; align-content: center;
}
.placa i { display: block; height: 3px; border-radius: 2px; background: rgba(31, 42, 60, .55); }
.placa i:nth-child(2) { width: 70%; }
.placa i:nth-child(3) { width: 45%; }
.msg-sis {
  justify-self: center; display: flex; align-items: center; gap: 6px; text-align: center;
  font-size: .76rem; font-weight: 600; color: var(--ok); background: var(--ok-suave);
  padding: 4px 11px; border-radius: 999px;
}
.msg-sis svg { width: 13px; height: 13px; stroke-width: 2.6; flex: none; }
.msg-ia { background: var(--blanco); border: 1px solid var(--linea); }
.cita {
  display: inline-block; font: 600 .7rem var(--mono); color: var(--acento); background: var(--acento-suave);
  padding: 1px 7px; border-radius: 6px; white-space: nowrap; vertical-align: 1px;
}
.mock figcaption { background: #f4f5f7; padding: 8px 14px 12px; font-size: .72rem; color: var(--tinta-2); text-align: center; }

/* ------------------------------------------------------------ cifras */
.cifras { padding: 56px 0 50px; background: var(--blanco); border-bottom: 1px solid var(--linea); }
.cifras-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-left: 1px solid var(--linea); }
.cifra { padding: 6px 22px 6px; border-right: 1px solid var(--linea); display: flex; flex-direction: column; }
.cifra strong { font-size: clamp(1.7rem, 2.9vw, 2.35rem); font-weight: 780; letter-spacing: -.03em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.cifra p { font-size: .93rem; color: var(--tinta-2); margin: 10px 0 12px; }
.cifra cite { margin-top: auto; font: normal 500 .7rem var(--mono); color: var(--tinta-2); letter-spacing: .02em; }
.cifra cite::before { content: "Fonte: "; }
:lang(es) .cifra cite::before { content: "Fuente: "; }
:lang(en) .cifra cite::before { content: "Source: "; }

/* ------------------------------------------------------------ tarjetas */
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; }
.tarj { background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); padding: 26px 24px; }
.tarj p, .func p, .pasos p, .ruta p { color: var(--tinta-2); font-size: .97rem; margin-top: 10px; }
.rol { font: 600 .7rem var(--mono) !important; letter-spacing: .08em; text-transform: uppercase; color: var(--acento) !important; margin: 0 0 12px !important; }

.grid-func { gap: 34px 36px; }
.func svg { width: 30px; height: 30px; color: var(--acento); margin-bottom: 14px; }

/* pasos */
.pasos { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; margin-top: 46px; counter-reset: paso; }
.pasos li { border-top: 2px solid var(--tinta); padding-top: 22px; }
.paso-n { display: block; font: 700 .8rem var(--mono); color: var(--acento); margin-bottom: 12px; }
.paso-n::before { content: "Passo "; letter-spacing: .06em; text-transform: uppercase; }
:lang(es) .paso-n::before { content: "Paso "; }
:lang(en) .paso-n::before { content: "Step "; }

/* ------------------------------------------------------------ dos columnas */
.dos-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.lista-ok { display: grid; gap: 16px; }
.lista-ok li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--sobre-oscuro-2); font-size: .98rem; }
.lista-ok b { color: var(--sobre-oscuro); font-weight: 650; }
.lista-ok svg { width: 20px; height: 20px; margin-top: 3px; color: var(--acento-claro); stroke-width: 2.4; }
.lista-ok-clara li { color: var(--tinta-2); }
.lista-ok-clara svg { color: var(--ok); }

/* ------------------------------------------------------------ cálculo */
.calc { background: var(--papel); border: 1px solid var(--linea); border-radius: 16px; padding: 28px; }
.calc label { display: flex; justify-content: space-between; gap: 12px; font-size: .93rem; font-weight: 600; margin-top: 18px; }
.calc label:first-child { margin-top: 0; }
.calc output { font: 700 .93rem var(--mono); color: var(--acento); white-space: nowrap; }
.calc input[type=range] { width: 100%; margin: 10px 0 0; accent-color: var(--acento); }
.calc-res {
  margin-top: 26px; padding: 22px; border-radius: 12px; background: var(--oscuro); color: var(--sobre-oscuro-2);
  display: grid; gap: 4px; text-align: center; font-size: .92rem;
}
.calc-res strong { font-size: clamp(2rem, 4vw, 2.7rem); color: #fff; letter-spacing: -.03em; line-height: 1.15; font-variant-numeric: tabular-nums; }
.calc .nota { margin-top: 14px; }

/* ------------------------------------------------------------ piloto */
.piloto { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; margin-top: 42px; align-items: stretch; }
.piloto-incl { border: 1px solid var(--linea); border-radius: 16px; padding: 30px; background: var(--papel); }
.piloto-incl h3, .piloto-kpi h3 { margin-bottom: 20px; }
.piloto-kpi { border-radius: 16px; padding: 30px; background: var(--oscuro); color: var(--sobre-oscuro); display: flex; flex-direction: column; }
.piloto-kpi ol { counter-reset: kpi; display: grid; gap: 12px; margin-bottom: 26px; }
.piloto-kpi li { counter-increment: kpi; display: grid; grid-template-columns: 30px 1fr; gap: 10px; color: var(--sobre-oscuro); font-size: .98rem; }
.piloto-kpi li::before { content: "0" counter(kpi); font: 700 .78rem var(--mono); color: var(--acento-claro); padding-top: 4px; }
.piloto-kpi .btn { margin-top: auto; }
.piloto-kpi .nota { color: var(--sobre-oscuro-2); margin-top: 16px; }

/* ------------------------------------------------------------ reglamento */
.reg { background: var(--acento-suave); border-block: 1px solid #f5d5bf; padding: 46px 0; }
.reg-in { display: grid; grid-template-columns: auto 1fr; gap: 44px; align-items: center; }
.reg-cuenta { font: 600 .82rem/1.35 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--acento); max-width: 13ch; }
.reg-cuenta strong { display: block; font: 780 clamp(3rem, 6vw, 4.4rem)/1 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.reg h2 { font-size: clamp(1.25rem, 2.2vw, 1.6rem); max-width: none; }
.reg p:not(.reg-cuenta) { color: var(--tinta-2); margin-top: 10px; max-width: 74ch; }

/* ------------------------------------------------------------ roadmap */
#roadmap h2 { max-width: 30ch; }
.ruta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 44px; }
.ruta li { border: 1px dashed #c9c4b8; border-radius: var(--radio); padding: 26px 24px; }
.ruta .ruta-hoy { border: 1px solid var(--tinta); background: var(--blanco); box-shadow: 5px 5px 0 var(--tinta); }
.estado {
  display: inline-block; font: 600 .68rem var(--mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 999px; background: #ebe8e0; color: var(--tinta-2); margin-bottom: 16px;
}
.ruta-hoy .estado { background: var(--ok-suave); color: var(--ok); }

/* ------------------------------------------------------------ faq */
.faq-in { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
.faq details { border-bottom: 1px solid var(--linea); }
.faq details:first-child { border-top: 1px solid var(--linea); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 34px 18px 0; font-weight: 650; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font: 400 1.5rem/1 var(--mono); color: var(--acento);
}
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--tinta-2); padding: 0 34px 20px 0; max-width: 66ch; }

/* ------------------------------------------------------------ cierre y pie */
.cierre { text-align: center; }
.cierre h2 { max-width: none; font-size: clamp(1.9rem, 3.8vw, 2.9rem); }
.cierre .intro { margin-inline: auto; }
.pie { background: var(--oscuro); color: var(--sobre-oscuro-2); border-top: 1px solid var(--oscuro-linea); padding: 34px 0 40px; font-size: .84rem; }
.pie-in { display: grid; grid-template-columns: auto 1fr auto; gap: 30px; align-items: center; }
.pie .marca-txt strong { color: var(--sobre-oscuro); }
.pie p { max-width: 62ch; }
.pie-legal { white-space: nowrap; line-height: 1.9; }
.pie-legal a[aria-current] { color: var(--sobre-oscuro); text-decoration: none; }

/* ------------------------------------------------------------ páginas legales */
.legal { padding: 64px 0 92px; }
.legal-in { max-width: 800px; }
.legal h1 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); font-weight: 780; letter-spacing: -.03em; max-width: 20ch; }
.legal .fecha { font: 500 .78rem/1.5 var(--mono); color: var(--tinta-2); margin-top: 16px; }
/* Aviso de traducción: vacío en italiano, que es la versión que da fe. */
.legal .traduccion { font-size: .88rem; font-style: italic; color: var(--tinta-2); margin-top: 8px; }
.legal .traduccion:empty { display: none; }
.legal h2 { font-size: 1.22rem; letter-spacing: -.01em; max-width: none; margin-top: 46px; }
.legal p, .legal li, .legal dd { color: #333c4a; }
.legal p { margin-top: 12px; }
.legal ul { list-style: disc; padding-left: 22px; margin-top: 12px; display: grid; gap: 6px; }
.legal a { color: var(--acento); }
.nowrap { white-space: nowrap; }
.resumen {
  background: var(--blanco); border: 1px solid var(--linea); border-left: 4px solid var(--acento);
  border-radius: var(--radio); padding: 22px 26px; margin-top: 32px;
}
.resumen h2 { margin-top: 0; font-size: 1.05rem; }
.ficha {
  display: grid; grid-template-columns: 170px 1fr; margin: 18px 0 0;
  background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden;
}
.ficha dt, .ficha dd { margin: 0; padding: 13px 18px; border-top: 1px solid var(--linea); font-size: .95rem; }
.ficha dt { font: 600 .7rem/1.7 var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--tinta-2); padding-top: 16px; }
.ficha dt:first-of-type, .ficha dt:first-of-type + dd { border-top: 0; }
.ficha dt:first-of-type { color: var(--acento); }
.ficha dt:first-of-type + dd { font-weight: 600; color: var(--tinta); }

/* Datos que faltan: resaltados para que no se publiquen por descuido. */
.da-compilare { background: #fde68a; color: #713f12; padding: 0 5px; border-radius: 4px; font-weight: 650; }

/* ------------------------------------------------------------ pantallas pequeñas */
@media (max-width: 980px) {
  .hero-in, .dos-col, .faq-in, .piloto { grid-template-columns: 1fr; gap: 40px; }
  .piloto { gap: 18px; }
  .mock { max-width: 520px; }
  .nav-links { display: none; }
  .cifras-grid { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .pie-in { grid-template-columns: 1fr; gap: 16px; }
  .pie-legal { white-space: normal; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .sec { padding: 62px 0; }
  .hero { padding: 54px 0 62px; }
  .grid3, .pasos, .ruta { grid-template-columns: 1fr; }
  .grid-func { gap: 28px; }
  .pasos { gap: 26px; }
  .reg-in { grid-template-columns: 1fr; gap: 18px; }
  .reg-cuenta { max-width: none; }
  .cta-fila .btn { width: 100%; }
  .marca-txt span { display: none; }
  .legal { padding: 44px 0 64px; }
  .ficha { grid-template-columns: 1fr; }
  .ficha dt { padding-bottom: 0; }
  .ficha dd { border-top: 0; padding-top: 4px; }
}
@media (max-width: 480px) {
  .cifras-grid { grid-template-columns: 1fr; border-left: 0; }
  .cifra { border-right: 0; border-left: 2px solid var(--linea); }
  .calc, .piloto-incl, .piloto-kpi { padding: 22px; }
  .chip { display: none; }
  .nav .marca-txt { display: none; }
  .nav-in { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}