/* ===========================================================================
   Echavarría Grupo Inmobiliario — "Editorial Minimalist Luxury": azul marino
   + dorado satinado, Playfair Display + Plus Jakarta Sans. Paleta actualizada
   del verde esmeralda original (ver stitch_vivantia_inmobiliaria_website/DESIGN.md,
   diseño de referencia de la marca anterior) al azul marino del logo actual.
   Un solo archivo a propósito: Fase 1 es una landing de una página, sin
   bundler (igual que enelmapa).
   ======================================================================== */

:root {
  /* Color */
  --color-primary: #10254A;        /* Azul marino profundo */
  --color-primary-hover: #1C3A6E;  /* Azul marino claro (hover) */
  --color-on-primary: #FFFFFF;
  --color-secondary: #C9A24C;      /* Dorado satinado */
  --color-on-surface: #141B2E;     /* Carbón azulado */
  --color-on-surface-variant: #4A5268;
  --color-background: #F6F7FA;     /* Blanco frío */
  --color-surface: #FFFFFF;
  --color-surface-alt: #EEF1F6;
  --color-outline: #DADFE8;
  --color-border-gold: rgba(201, 162, 76, 0.3);
  --color-border-pine: rgba(16, 37, 74, 0.08);
  --color-error: #BA1A1A;

  /* Tipografía */
  --font-headline: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Radios */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Espaciado */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --space-2xl: 3.5rem;
  --margin: 1rem;

  /* Sombras */
  --shadow-card: 0 4px 20px -2px rgba(20, 27, 46, 0.08);
  --shadow-elevated: 0 12px 32px -4px rgba(16, 37, 74, 0.14);
}

@media (min-width: 768px) {
  :root { --margin: 2rem; }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-on-surface);
  background: var(--color-background);
  line-height: 1.5;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

h1, h2, h3 {
  font-family: var(--font-headline);
  font-weight: 600;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.01em;
}

h2 { font-size: 24px; line-height: 32px; }
@media (min-width: 768px) { h2 { font-size: 32px; line-height: 40px; } }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.section {
  padding: var(--space-2xl) var(--margin);
  max-width: 1120px;
  margin: 0 auto;
}

.section--alt { background: var(--color-surface-alt); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto var(--space-xl); }
.section-head p { color: var(--color-on-surface-variant); }

.pendiente {
  font-size: 12px;
  font-style: italic;
  color: var(--color-on-surface-variant);
}

/* --- Botones --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover { background: var(--color-primary-hover); }

.btn--secondary {
  background: transparent;
  border-color: var(--color-secondary);
  color: var(--color-primary);
}
.btn--secondary:hover { background: rgba(201, 162, 76, 0.1); }

.btn--block { width: 100%; }

/* --- Header / nav --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-pine);
}

.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem var(--margin);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; }
.brand__icon { width: 34px; height: 34px; flex-shrink: 0; }
.brand__text { font-family: var(--font-headline); font-weight: 600; font-size: 20px; color: var(--color-primary); line-height: 1; }
.brand__sub { display: block; font-family: var(--font-body); font-size: 9px; font-weight: 700; letter-spacing: 0.12em; color: var(--color-secondary); margin-top: 2px; }

.nav { display: none; align-items: center; gap: var(--space-lg); }
.nav a { font-size: 14px; font-weight: 600; text-decoration: none; color: var(--color-on-surface); }
.nav a:hover { color: var(--color-primary); }

.nav-cta { display: none; }

.nav-toggle {
  display: inline-flex;
  background: none;
  border: 1px solid var(--color-border-pine);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.6rem;
  cursor: pointer;
}

@media (min-width: 1024px) {
  .nav { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) var(--margin) var(--space-lg);
  border-top: 1px solid var(--color-border-pine);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a { padding: 0.5rem 0; font-weight: 600; text-decoration: none; }

/* --- Hero --- */
.hero {
  padding: var(--space-2xl) var(--margin);
  max-width: 1120px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 30px;
  line-height: 38px;
  margin-bottom: var(--space-md);
}
@media (min-width: 768px) { .hero h1 { font-size: 40px; line-height: 48px; } }

.hero p.lead {
  color: var(--color-on-surface-variant);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto var(--space-xl);
}

/* Control segmentado comprar/arrendar/consignar */
.segmented {
  display: inline-flex;
  background: var(--color-surface);
  border: 1px solid var(--color-border-pine);
  border-radius: var(--radius-full);
  padding: 4px;
  margin-bottom: var(--space-lg);
}

.segmented button {
  border: none;
  background: transparent;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  color: var(--color-on-surface-variant);
  cursor: pointer;
}

.segmented button.is-active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: inset 0 0 0 1px var(--color-secondary);
}

.search-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-pine);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.search-card__grid {
  display: grid;
  gap: var(--space-sm);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-md);
}
@media (min-width: 640px) { .search-card__grid { grid-template-columns: repeat(3, 1fr); } }

.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-on-surface-variant);
  margin-bottom: 0.3rem;
}

.field select,
.field input,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-on-surface);
}

.field select:focus,
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(201, 162, 76, 0.25);
}

.search-card__note { font-size: 12px; color: var(--color-on-surface-variant); margin-top: var(--space-sm); text-align: center; }

/* --- Propuesta de valor --- */
.value-grid {
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .value-grid { grid-template-columns: repeat(3, 1fr); } }

.value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-gold);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
}

.value-card .icon { width: 36px; height: 36px; margin: 0 auto var(--space-sm); color: var(--color-primary); }
.value-card h3 { font-size: 18px; }
.value-card p { color: var(--color-on-surface-variant); font-size: 14px; margin: 0; }

/* --- Servicios --- */
.services-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .services-grid { grid-template-columns: repeat(3, 1fr); } }

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-pine);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.service-card .icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.service-card h3 { font-size: 18px; margin-bottom: 0; }
.service-card p { color: var(--color-on-surface-variant); font-size: 14px; margin: 0; flex-grow: 1; }
.service-card a { font-size: 13px; font-weight: 700; color: var(--color-primary); text-decoration: none; }
.service-card a:hover { color: var(--color-secondary); }

/* --- Destacados --- */
.properties-scroller {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .properties-scroller { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .properties-scroller { grid-template-columns: repeat(3, 1fr); } }

.property-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-pine);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.property-card__media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #10254A, #1C3A6E 55%, #141B2E);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.property-card__badge {
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  background: rgba(16, 37, 74, 0.85);
  color: var(--color-secondary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
  box-shadow: inset 0 0 0 1px rgba(201, 162, 76, 0.45);
}

.property-card__body { padding: var(--space-md); }
.property-card__body h3 { font-size: 16px; margin-bottom: 0.2rem; }
.property-card__location { font-size: 13px; color: var(--color-on-surface-variant); margin-bottom: var(--space-sm); }
.property-card__price { font-family: var(--font-headline); font-size: 20px; color: var(--color-primary); margin-bottom: var(--space-sm); }

.property-card__meta {
  display: flex;
  gap: var(--space-md);
  font-size: 12px;
  color: var(--color-on-surface-variant);
  border-top: 1px solid var(--color-outline);
  padding-top: var(--space-sm);
}

.properties-note {
  text-align: center;
  margin-top: var(--space-lg);
  font-size: 14px;
  color: var(--color-on-surface-variant);
}

/* --- Consigna / formulario --- */
.consign-wrap {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  color: var(--color-on-primary);
  padding: var(--space-xl) var(--margin);
  display: grid;
  gap: var(--space-xl);
}
@media (min-width: 900px) { .consign-wrap { grid-template-columns: 1fr 1fr; align-items: center; } }

.consign-copy .eyebrow { color: var(--color-secondary); }
.consign-copy h2 { color: var(--color-on-primary); }
.consign-copy p { color: rgba(255,255,255,0.78); }
.consign-copy ul { padding-left: 1.1rem; margin: var(--space-md) 0; color: rgba(255,255,255,0.85); font-size: 14px; }
.consign-copy li { margin-bottom: 0.4rem; }

.consign-form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: var(--color-on-surface);
}

.consign-form .field { margin-bottom: var(--space-sm); }

.form-banner {
  border-radius: var(--radius-md);
  padding: 0.6rem 0.9rem;
  font-size: 13px;
  margin-bottom: var(--space-sm);
}
.form-banner--ok { background: rgba(201, 162, 76, 0.18); color: var(--color-on-surface); border: 1px solid var(--color-border-gold); }
.form-banner--error { background: rgba(186, 26, 26, 0.08); color: var(--color-error); border: 1px solid rgba(186, 26, 26, 0.3); }

.selected-tipo {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

/* --- Por qué elegirnos --- */
.reasons-grid {
  display: grid;
  gap: var(--space-md);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .reasons-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .reasons-grid { grid-template-columns: repeat(3, 1fr); } }

.reason-card { padding: var(--space-md) 0; border-top: 1px solid var(--color-outline); }
.reason-card h3 { font-size: 15px; margin-bottom: 0.3rem; }
.reason-card p { font-size: 13px; color: var(--color-on-surface-variant); margin: 0; }

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--color-outline);
}

.faq-item__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: var(--space-md) 0;
  cursor: pointer;
  color: var(--color-on-surface);
}

.faq-item__icon { flex-shrink: 0; transition: transform 0.2s ease; color: var(--color-secondary); }
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }

.faq-item__a {
  max-height: 0;
  overflow: hidden;
  font-size: 14px;
  color: var(--color-on-surface-variant);
  transition: max-height 0.25s ease;
}
.faq-item.is-open .faq-item__a { max-height: 240px; padding-bottom: var(--space-md); }

/* --- Footer --- */
.site-footer {
  background: var(--color-on-surface);
  color: rgba(255,255,255,0.75);
  padding: var(--space-xl) var(--margin) var(--space-lg);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) { .footer-inner { grid-template-columns: 2fr 1fr 1fr; } }

.footer-inner h4 { color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-sm); }
.footer-inner a { color: rgba(255,255,255,0.75); text-decoration: none; font-size: 14px; }
.footer-inner a:hover { color: var(--color-secondary); }
.footer-inner ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4rem; }

.footer-brand .brand__text { color: #fff; }
.footer-brand p { font-size: 13px; color: rgba(255,255,255,0.6); max-width: 320px; }

.footer-bottom {
  max-width: 1120px;
  margin: var(--space-lg) auto 0;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  text-align: center;
}

/* --- WhatsApp FAB --- */
.whatsapp-fab {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(16, 37, 74, 0.3);
  z-index: 50;
  text-decoration: none;
}
.whatsapp-fab svg { width: 26px; height: 26px; }