/* =========================================================
   Sistema de diseño — Plataforma de estudio hipotecario
   Paleta: blanco + azul marino profundo + acento latón/oro
   Tipografía: Fraunces (display) + Inter (texto/UI)
   Firma visual: puerta de líneas que se abre en 3 tiempos
   ========================================================= */

:root{
  --navy: #0F2942;
  --navy-2: #12385C;
  --navy-3: #0B1E30;
  --ink: #16202B;
  --ink-soft: #4B5A68;
  --mist: #F4F7FA;
  --mist-2: #EAF0F5;
  --line: #DDE3EA;
  --white: #FFFFFF;
  --gold: #B8862F;
  --gold-2: #C99A44;
  --gold-soft: #F1E2C2;
  --ok: #2F6D52;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 26px;

  --shadow-s: 0 1px 2px rgba(15,41,66,.06), 0 1px 1px rgba(15,41,66,.04);
  --shadow-m: 0 8px 24px rgba(15,41,66,.08);
  --shadow-l: 0 20px 48px rgba(15,41,66,.14);

  --maxw: 1120px;
  --maxw-narrow: 760px;

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
p{ margin: 0 0 1em; }
ul{ margin:0; padding-left: 1.2em; }
.container{
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 20px;
}
.container--narrow{ max-width: var(--maxw-narrow); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}

:focus-visible{
  outline: 3px solid var(--gold-2);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- Eyebrow / etiquetas ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background: var(--gold);
}

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 40;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height: 68px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  color: var(--navy);
  text-decoration:none;
}
.brand-mark-img{ height:30px; width:auto; flex:none; display:block; }
.brand-logo-img{ height:42px; width:auto; display:block; }
.brand-logo-icon{ display:none; height:36px; width:auto; }
@media (max-width: 640px){
  .brand-logo-img{ display:none; }
  .brand-logo-icon{ display:block; }
}
.brand-navy{ color: var(--navy); }
.brand-gold{ color: var(--gold); }
nav.primary-nav{ display:none; }
@media (min-width: 860px){
  nav.primary-nav{
    display:flex; align-items:center; gap: 28px;
    font-size: 14.5px; font-weight: 500;
  }
  nav.primary-nav a{ text-decoration:none; color: var(--ink-soft); }
  nav.primary-nav a:hover{ color: var(--navy); }
}
.nav-toggle{
  display:none;
  appearance:none; background:none; border:none; cursor:pointer;
  width:40px; height:40px; align-items:center; justify-content:center;
  border-radius: var(--radius-s);
  flex:none;
}
.nav-toggle:hover{ background: var(--mist); }
@media (max-width: 859px){ .nav-toggle{ display:inline-flex; } .header-cta-btn{ display:none; } }
.mobile-nav{
  display:none; flex-direction:column;
  position:absolute; top:100%; left:0; right:0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-m);
  padding: 6px 20px 14px;
  z-index:39;
}
.mobile-nav.is-open{ display:flex; }
.mobile-nav a{
  padding: 13px 2px;
  text-decoration:none;
  color: var(--ink);
  font-size:15.5px;
  border-bottom: 1px solid var(--line);
}
.mobile-nav a:last-child{ border-bottom:none; }
.header-cta{ display:flex; align-items:center; gap: 14px; }
.tel-link{
  display:none;
  font-size: 14px; font-weight:600; color: var(--navy); text-decoration:none;
}
@media (min-width:640px){ .tel-link{ display:inline-flex; align-items:center; gap:6px; } }

/* ---------- Botones ---------- */
.btn{
  appearance:none; border:none; cursor:pointer;
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  padding: 15px 26px;
  border-radius: 999px;
  text-decoration:none;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px); }
.btn-primary{
  background: var(--gold);
  color: var(--white);
}
.btn-primary:hover{ background: #A67725; }
.btn-secondary{
  background: var(--white);
  color: var(--navy);
  border: 1.5px solid var(--line);
}
.btn-secondary:hover{ border-color: var(--navy); }
.btn-ghost{
  background:transparent; color: var(--navy);
  padding: 10px 4px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-block{ width:100%; }
.btn-lg{ padding: 18px 30px; font-size: 17px; }

.microcopy{
  font-size: 13px;
  color: var(--ink-soft);
  max-width: 420px;
  margin: 12px auto 0;
  text-align:center;
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  padding: 32px 0 26px;
  background:
    radial-gradient(1200px 480px at 50% -160px, var(--mist-2), transparent 60%),
    var(--white);
  overflow: hidden;
}
.hero .container{
  display:grid;
  gap: 26px;
}
@media (min-width: 920px){
  .hero .container{
    grid-template-columns: 1fr .92fr;
    align-items:start;
    padding-block: 18px 10px;
  }
}
.hero h1{
  font-size: clamp(30px, 5.2vw, 46px);
  color: var(--navy);
  max-width: 15ch;
}
.hero .lede{
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 26px;
}
.hero-actions{ display:flex; flex-direction:column; align-items:flex-start; }
.trust-row{
  margin-top: 30px;
  display:grid;
  gap: 14px;
}
@media (min-width: 560px){
  .trust-row{ grid-template-columns: repeat(3, 1fr); }
}
.trust-item{
  display:flex; align-items:flex-start; gap:10px;
  font-size: 14px; color: var(--ink);
}
.trust-item svg{ flex:none; margin-top:2px; }

/* ---------- Firma visual: la puerta ---------- */
.door-frame{
  width:100%; height:auto;
  display:block;
}
.hero-visual{
  position: relative;
  display:flex; justify-content:center;
}
.hero-visual .door-card{
  background: var(--navy);
  border-radius: var(--radius-l);
  padding: 34px;
  width: 100%; max-width: 380px;
  box-shadow: var(--shadow-l);
}
.hero-visual .door-caption{
  color: var(--gold-soft);
  font-family: var(--font-display);
  font-size: 15px;
  text-align:center;
  margin-top: 14px;
  opacity: .92;
}

/* ---------- Secciones generales ---------- */
section{ padding: 46px 0; }
.section-alt{ background: var(--mist); }
.section-navy{ background: var(--navy); color: var(--white); }
.section-navy h2, .section-navy h3{ color: var(--white); }
.section-head{ max-width: 640px; margin-bottom: 26px; }
.section-head h2{ font-size: clamp(24px, 3.4vw, 32px); color: var(--navy); }
.section-navy .section-head h2{ color: var(--white); }
.section-head p{ color: var(--ink-soft); font-size: 16px; }
.section-navy .section-head p{ color: rgba(255,255,255,.78); }

/* ---------- Cómo funciona (puerta progresiva) ---------- */
.steps{
  display:grid;
  gap: 20px;
}
@media (min-width: 780px){ .steps{ grid-template-columns: repeat(3, 1fr); } }
.step-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 18px;
  box-shadow: var(--shadow-s);
}
.step-icon{
  width:44px; height:44px;
  margin-bottom: 10px;
}
.step-card h3{ font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.step-card p{ font-size: 14.5px; color: var(--ink-soft); margin-bottom:0; }

/* ---------- Tarjetas / grid genérico ---------- */
.card-grid{ display:grid; gap: 18px; }
@media (min-width:640px){ .card-grid--2{ grid-template-columns: repeat(2,1fr); } }
@media (min-width:780px){ .card-grid--3{ grid-template-columns: repeat(3,1fr); } }
.info-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px 20px;
}
.info-card h3{ font-size: 16.5px; color: var(--navy); }
.info-card p{ font-size: 14.5px; color: var(--ink-soft); margin-bottom:0; }

.factor-list{
  list-style:none; padding:0; margin:0;
  display:grid; gap:10px;
}
@media (min-width:640px){ .factor-list{ grid-template-columns: repeat(2,1fr); } }
.factor-list li{
  display:flex; gap:10px; align-items:flex-start;
  font-size: 14.5px;
  background: var(--white);
  border:1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 12px 14px;
}
.factor-list svg{ flex:none; margin-top:2px; color: var(--gold); }

.profile-list{ list-style:none; padding:0; margin:0; display:grid; gap:8px; }
.profile-list li{
  display:flex; gap:12px; align-items:flex-start;
  background: var(--mist);
  border-radius: var(--radius-s);
  padding: 11px 14px;
  font-size: 14.5px;
}
.profile-list svg{ flex:none; margin-top:3px; color: var(--navy); }

.disclaimer-box{
  margin-top: 26px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-s);
  padding: 14px 16px;
  font-size: 13px;
  color: var(--ink-soft);
  background: var(--mist);
}

/* ---------- FAQ ---------- */
.faq-list{ display:flex; flex-direction:column; gap: 10px; }
#faq-more{
  display:flex; flex-direction:column; gap:10px;
  overflow:hidden; max-height:0;
  transition: max-height .38s ease;
}
#faq-more.is-open{ max-height: 1200px; }
.faq-toggle-wrap{ display:flex; justify-content:center; margin-top:20px; }
.btn-faq-toggle{
  appearance:none; cursor:pointer;
  display:inline-flex; align-items:center; gap:8px;
  height:52px; padding:0 26px;
  background: var(--white);
  color: var(--navy);
  border: 1.5px solid var(--navy);
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight:600; font-size:15px;
  text-decoration:none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-faq-toggle .chev{ color: var(--gold); transition: transform .25s ease; flex:none; }
.btn-faq-toggle:hover{ background: var(--gold-soft); }
.btn-faq-toggle.is-open .chev{ transform: rotate(180deg); }
.faq-item{
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  overflow:hidden;
  background: var(--white);
  transition: border-color .2s ease, background-color .2s ease;
}
.faq-item[open]{
  border-color: var(--gold);
  background: var(--mist);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding: 16px 18px;
  font-weight:600;
  font-size: 15.5px;
  color: var(--navy);
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item .chev{ transition: transform .2s ease; flex:none; color: var(--gold); }
.faq-item[open] .chev{ transform: rotate(180deg); }
.faq-item .faq-a{
  padding: 0 18px 18px;
  font-size: 14.5px;
  color: var(--ink-soft);
}

/* ---------- Confianza / footer ---------- */
.trust-strip{
  display:grid; gap: 14px;
}
@media (min-width:780px){ .trust-strip{ grid-template-columns: repeat(3,1fr); } }
.trust-strip .info-card{ background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.14); }
.section-navy .info-card h3{ color: var(--white); }
.section-navy .info-card p{ color: rgba(255,255,255,.72); }

.site-footer{
  background: var(--navy-3);
  color: rgba(255,255,255,.72);
  padding: 44px 0 26px;
  font-size: 13.5px;
}
.site-footer a{ color: rgba(255,255,255,.85); text-decoration:none; }
.site-footer a:hover{ text-decoration:underline; }
.footer-grid{
  display:grid; gap: 28px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  margin-bottom: 20px;
}
@media (min-width:780px){ .footer-grid{ grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-brand{ display:flex; align-items:center; gap:10px; color: var(--white); font-family: var(--font-display); font-size:18px; margin-bottom: 10px; }
.footer-cols h4{ font-family: var(--font-body); font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color: rgba(255,255,255,.5); margin-bottom: 12px; }
.footer-cols ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:9px; }
.footer-bottom{ display:flex; flex-wrap:wrap; gap: 10px 18px; justify-content:space-between; font-size:12.5px; }

/* ---------- CTA final ---------- */
.cta-band{
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-l);
  padding: 28px 28px;
  text-align:center;
}
.cta-band h2{ color: var(--white); font-size: clamp(22px,3vw,28px); margin-bottom:8px; }
.cta-band p{ color: rgba(255,255,255,.78); max-width: 44ch; margin: 0 auto 18px; }

/* ---------- Barra sticky móvil ---------- */
.mobile-sticky-cta{
  position: fixed; left:0; right:0; bottom:0; z-index: 50;
  background: rgba(255,255,255,.96);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  display:flex; gap:10px;
  box-shadow: 0 -8px 24px rgba(15,41,66,.08);
}
@media (min-width: 860px){ .mobile-sticky-cta{ display:none; } }
.mobile-sticky-cta .btn{ flex:1; }

/* ---------- Formulario ---------- */
.form-shell{
  max-width: 560px; margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  padding: 28px 22px 26px;
}
@media (min-width:640px){ .form-shell{ padding: 36px 40px 34px; } }

.progress-track{
  display:flex; align-items:center; gap: 8px;
  margin-bottom: 26px;
}
.progress-seg{
  flex:1; height:6px; border-radius: 999px;
  background: var(--line);
  overflow:hidden;
}
.progress-seg > span{
  display:block; height:100%; width:0%;
  background: linear-gradient(90deg, var(--gold-2), var(--gold));
  transition: width .35s ease;
}
.progress-label{
  font-size: 12.5px; color: var(--ink-soft); margin-bottom: 4px;
  display:flex; justify-content:space-between;
}

.form-step{ display:none; animation: fadeIn .25s ease; }
.form-step.is-active{ display:block; }
@keyframes fadeIn{ from{ opacity:0; transform: translateY(6px);} to{opacity:1; transform:none;} }

.form-step h2{ font-size: 21px; color: var(--navy); margin-bottom: 6px; }
.form-step .step-sub{ font-size: 14px; color: var(--ink-soft); margin-bottom: 22px; }

.field{ margin-bottom: 18px; }
.field label{
  display:block; font-size: 13.5px; font-weight:600; color: var(--navy);
  margin-bottom: 6px;
}
.field .hint{ font-size:12px; color: var(--ink-soft); margin-top:5px; }
.field-currency{ position: relative; }
.field-currency input{ padding-right: 40px; }
.field-currency-suffix{
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--ink-soft); font-size: 15px; pointer-events: none;
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field input[type="number"],
.field select{
  width:100%;
  font-family: var(--font-body);
  font-size: 16px;
  padding: 13px 14px;
  border-radius: var(--radius-s);
  border: 1.5px solid var(--line);
  background: var(--white);
  color: var(--ink);
  transition: border-color .15s ease;
}
.field input:focus, .field select:focus{ border-color: var(--gold); outline:none; box-shadow: 0 0 0 3px rgba(184,134,47,.15); }

.choice-grid{ display:grid; gap:10px; }
@media (min-width:480px){ .choice-grid--2{ grid-template-columns: repeat(2,1fr);} }
.choice-card{
  position:relative;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-s);
  padding: 13px 14px;
  font-size: 14.5px;
  cursor:pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
@media (max-width: 640px){
  .choice-card{ padding:15px 16px; min-height:48px; display:flex; align-items:center; }
}
.choice-card input{ position:absolute; opacity:0; inset:0; width:100%; height:100%; cursor:pointer; margin:0; }
.choice-card:has(input:checked){
  border-color: var(--gold);
  background: var(--gold-soft);
}
.choice-card:has(input:focus-visible){ outline: 3px solid var(--gold-2); outline-offset:2px; }

.checkbox-row{
  display:flex; gap: 10px; align-items:flex-start;
  font-size: 13px; color: var(--ink-soft);
  margin-bottom: 14px;
}
.checkbox-row input{ margin-top: 3px; flex:none; width:17px; height:17px; }
.checkbox-row a{ color: var(--navy); text-decoration: underline; }

.form-nav{ display:flex; gap: 12px; margin-top: 22px; }
.form-nav .btn{ flex:1; }

.field-error{
  display:none;
  color: #A33B3B;
  font-size: 12.5px;
  margin-top: 6px;
}
.field.has-error input, .field.has-error select{ border-color:#A33B3B; }
.field.has-error .field-error{ display:block; }

.honeypot{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }

/* ---------- Página de agradecimiento ---------- */
.confirm-hero{
  text-align:center;
  max-width: 560px;
  margin: 0 auto;
}
.confirm-icon{ margin: 0 auto 22px; }
.checklist{
  text-align:left;
  list-style:none; padding:0; margin: 26px auto 0;
  max-width: 460px;
  display:grid; gap:10px;
}
.checklist li{
  display:flex; gap:10px; align-items:flex-start;
  background: var(--mist);
  border-radius: var(--radius-s);
  padding: 12px 14px;
  font-size: 14.5px;
}
.checklist svg{ flex:none; margin-top:2px; color: var(--ok); }

/* ---------- Páginas legales ---------- */
.legal-doc h2{ font-size: 20px; color: var(--navy); margin-top: 34px; }
.legal-doc h3{ font-size: 16.5px; color: var(--navy); margin-top: 22px; }
.legal-doc p, .legal-doc li{ font-size: 15px; color: var(--ink-soft); }
.legal-doc{ padding-top: 8px; }
.updated-badge{
  display:inline-block; font-size:12.5px; color: var(--ink-soft);
  background: var(--mist); border-radius: 999px; padding: 6px 12px; margin-bottom: 20px;
}

/* ---------- Cookie banner ---------- */
.cookie-banner{
  position: fixed; left:16px; right:16px; bottom:16px; z-index: 60;
  max-width: 520px; margin-inline:auto;
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-m);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-l);
  display:none;
}
.cookie-banner.is-visible{ display:block; }
.cookie-banner p{ font-size: 13px; color: rgba(255,255,255,.82); margin-bottom: 14px; }
.cookie-actions{ display:flex; gap:10px; flex-wrap:wrap; }
.cookie-actions .btn{ padding: 10px 16px; font-size: 13.5px; }
.cookie-actions .btn-secondary{ background:transparent; border-color: rgba(255,255,255,.3); color:var(--white); }

/* ---------- Breadcrumb simple ---------- */
.page-hero{
  background: var(--mist);
  padding: 46px 0 34px;
  text-align:left;
}
.page-hero .eyebrow{ margin-bottom: 10px; }
.page-hero h1{ color: var(--navy); font-size: clamp(26px,4vw,36px); }
.page-hero p{ color: var(--ink-soft); max-width: 60ch; }

/* Utilidad para dar espacio bajo la barra sticky móvil */
.has-mobile-cta{ padding-bottom: 78px; }
@media (min-width:860px){ .has-mobile-cta{ padding-bottom: 0; } }

/* ---------- Mini-formulario embebido en el hero ---------- */
.hero-form-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
  padding: 22px 22px 20px;
}
.hero-form-card .step-sub{ margin-bottom: 16px; }
.hero-form-card h2{ font-size: 19px; }

/* ---------- Aviso de rol (somos plataforma de conexión) ---------- */
.role-banner{
  display:flex; gap:12px; align-items:flex-start;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--ink-soft);
  max-width: 780px;
}
.role-banner svg{ flex:none; margin-top:2px; color: var(--navy); }
.role-banner strong{ color: var(--navy); }

/* ---------- Enlace de configuración de cookies en el footer ---------- */
.cookie-settings-btn{
  background:none; border:none; padding:0; cursor:pointer;
  color: rgba(255,255,255,.85); text-decoration:underline;
  font: inherit; font-size: 13.5px;
}