/* Landing pública iAsesor. CSS independiente del de la app. */

:root {
  --azul: #2f5b8f;
  --azul-osc: #24476f;
  --azul-claro: #eaf1f9;
  --gris: #f4f6f8;
  --gris-borde: #d9dee3;
  --texto: #1f2a37;
  --texto-suave: #4b5563;
  --verde: #2e7d43;
  --rojo: #b3261e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Arial, sans-serif;
  color: var(--texto);
  line-height: 1.55;
  background: #fff;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }

img { max-width: 100%; height: auto; }

/* ---- Barra de navegación ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--gris-borde);
  backdrop-filter: blur(8px);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
}
.nav-brand {
  font-size: 1.35rem; font-weight: 800;
  color: var(--azul-osc);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-links {
  display: flex; align-items: center; gap: 1.5rem;
  font-size: .95rem;
}
.nav-links a {
  color: var(--texto-suave);
  text-decoration: none;
  transition: color .15s;
}
.nav-links a:hover { color: var(--azul); }
.nav-login { color: var(--azul-osc) !important; font-weight: 600; }

.btn-primary, .btn-secondary {
  display: inline-block;
  padding: .65rem 1.3rem;
  border-radius: 6px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .1s, background .15s;
}
.btn-primary {
  background: var(--azul);
  color: #fff !important;
}
.btn-primary:hover { background: var(--azul-osc); transform: translateY(-1px); }
.btn-secondary {
  background: #fff;
  color: var(--azul-osc) !important;
  border-color: var(--gris-borde);
}
.btn-secondary:hover { background: var(--gris); border-color: var(--azul); }
.btn-grande { padding: .85rem 1.7rem; font-size: 1.05rem; }

/* ---- HERO ---- */
.hero {
  background: linear-gradient(135deg, var(--azul-claro) 0%, #fff 100%);
  padding: 5rem 0 6rem;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: var(--azul-osc);
  letter-spacing: -0.02em;
  max-width: 900px; margin: 0 auto;
  line-height: 1.15;
}
.hero h1 .acento {
  background: linear-gradient(120deg, var(--azul) 0%, #4a7fb8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--texto-suave);
  max-width: 700px;
  margin: 1.4rem auto 0;
}
.hero-cta {
  display: flex; gap: 1rem; justify-content: center;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.hero-nota {
  margin-top: 2rem;
  color: var(--texto-suave);
  font-size: .95rem;
}

/* ---- Secciones ---- */
section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--azul-osc);
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: -0.01em;
}
section .subtitulo {
  text-align: center;
  color: var(--texto-suave);
  margin: -1.5rem auto 2.5rem;
  max-width: 700px;
}

.problema, .funcionalidades, .testimonios, .faq, .contacto, .proceso {
  padding: 5rem 0;
}
.problema, .testimonios { background: var(--gris); }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* ---- Tarjetas problema/solución ---- */
.tarjeta {
  background: #fff;
  padding: 2rem 1.6rem;
  border-radius: 12px;
  border: 1px solid var(--gris-borde);
  transition: transform .15s, box-shadow .15s;
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: 0 6px 20px rgba(36,71,111,.08); }
.tarjeta .icono { font-size: 2.5rem; margin-bottom: 1rem; }
.tarjeta h3 { color: var(--azul-osc); margin-bottom: .6rem; font-size: 1.15rem; }
.tarjeta p { color: var(--texto-suave); margin-bottom: .6rem; font-size: .95rem; }
.tarjeta .solucion { color: var(--texto); }
.tarjeta .solucion b { color: var(--azul); }

/* ---- Proceso ---- */
.pasos { gap: 2rem; }
.paso {
  text-align: center;
  padding: 1rem;
}
.paso-num {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--azul);
  color: #fff;
  font-size: 1.8rem; font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
  margin-bottom: 1rem;
}
.paso h3 { color: var(--azul-osc); margin-bottom: .5rem; }
.paso p { color: var(--texto-suave); font-size: .95rem; }

/* ---- Funcionalidades ---- */
.features .feature {
  padding: 1.5rem;
  background: #fafbfc;
  border-radius: 10px;
  border: 1px solid #eef1f4;
}
.features .feature .icono {
  font-size: 2rem; margin-bottom: .8rem;
}
.features .feature h3 {
  color: var(--azul-osc);
  font-size: 1.05rem;
  margin-bottom: .5rem;
}
.features .feature p {
  color: var(--texto-suave);
  font-size: .92rem;
}

/* ---- Testimonios ---- */
.testis { gap: 1.4rem; }
.testi {
  background: #fff;
  padding: 1.6rem;
  border-radius: 12px;
  border: 1px solid var(--gris-borde);
  position: relative;
}
.testi.destacado {
  background: linear-gradient(135deg, var(--azul-claro) 0%, #fff 100%);
  border-color: var(--azul);
}
.testi .quote {
  font-style: italic;
  color: var(--texto);
  margin-bottom: 1rem;
  line-height: 1.6;
}
.testi .quote::before {
  content: "\201C";
  font-size: 3rem;
  color: var(--azul);
  line-height: 0;
  margin-right: .2rem;
  vertical-align: -0.4em;
}
.testi-firma {
  color: var(--texto-suave);
  font-size: .88rem;
  border-top: 1px solid var(--gris-borde);
  padding-top: .8rem;
}
.testi-firma b { color: var(--azul-osc); }

/* ---- FAQ ---- */
.faq { background: var(--gris); }
.faq details {
  background: #fff;
  border: 1px solid var(--gris-borde);
  border-radius: 8px;
  padding: 1.1rem 1.3rem;
  margin-bottom: .6rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--azul-osc);
  list-style: none;
  position: relative;
  padding-right: 1.8rem;
}
.faq summary::marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem; color: var(--azul);
  transition: transform .15s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p {
  color: var(--texto-suave);
  margin-top: .8rem;
  line-height: 1.6;
}

/* ---- Contacto ---- */
.contacto .form-contacto {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: #fafbfc;
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid var(--gris-borde);
}
.form-contacto label {
  display: flex; flex-direction: column;
  gap: .35rem;
  font-weight: 600;
  color: var(--azul-osc);
  font-size: .95rem;
}
.form-contacto input,
.form-contacto select,
.form-contacto textarea {
  font: inherit;
  padding: .65rem .75rem;
  border: 1px solid var(--gris-borde);
  border-radius: 6px;
  background: #fff;
  color: var(--texto);
  font-weight: 400;
}
.form-contacto textarea { resize: vertical; }
.fila-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-actions { display: flex; align-items: center; gap: 1rem; margin-top: .5rem; }
.honey { position: absolute; left: -9999px; opacity: 0; height: 0; }
.msg { font-size: .9rem; }
.msg.ok { color: var(--verde); }
.msg.error { color: var(--rojo); }

/* ---- Footer ---- */
.footer {
  background: var(--azul-osc);
  color: #dfe7f1;
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  align-items: start;
}
.footer-brand {
  font-size: 1.4rem; font-weight: 800; color: #fff;
  margin-bottom: .3rem;
}
.footer-slogan { color: #b0c3d8; font-size: .95rem; }
.footer-links, .footer-legal {
  display: flex; flex-direction: column; gap: .5rem;
  font-size: .9rem;
}
.footer-links a, .footer-legal a { color: #b0c3d8; text-decoration: none; }
.footer-links a:hover, .footer-legal a:hover { color: #fff; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .fila-2 { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .nav-links a:not(.btn-primary):not(.nav-login) { display: none; }
  .hero { padding: 3rem 0 4rem; }
  .problema, .funcionalidades, .testimonios, .faq, .contacto, .proceso { padding: 3rem 0; }
}