:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --accent: #22c55e;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --radius: 14px;
  --max: 1140px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--primary-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.main-nav a {
  padding: 8px 10px;
  border-radius: 10px;
  color: #1e293b;
  font-weight: 600;
  font-size: .95rem;
}

.main-nav a:hover {
  background: #eff6ff;
  text-decoration: none;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn {
  border: none;
  cursor: pointer;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 700;
  font-size: .92rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #e2e8f0; color: #0f172a; }
.btn-outline { border: 1px solid #cbd5e1; background: #fff; color: #0f172a; }

.mobile-menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font-weight: 700;
}

.breadcrumbs {
  margin: 16px 0 4px;
  color: var(--muted);
  font-size: .88rem;
}

.breadcrumbs a { color: var(--muted); }

main.page {
  min-height: calc(100vh - 260px);
  padding: 18px 0 40px;
}

.hero {
  background: linear-gradient(135deg, #ecfeff 0%, #eff6ff 100%);
  border: 1px solid #dbeafe;
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.7rem, 3.2vw, 2.3rem);
  line-height: 1.15;
}

.hero p { margin: 0; color: #334155; }

.section { margin-top: 26px; }
.section h2 { margin: 0 0 12px; font-size: 1.35rem; }

.grid {
  display: grid;
  gap: 14px;
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 14px;
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  transition: .18s ease;
}

.muted { color: var(--muted); }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e2e8f0;
  color: #0f172a;
  font-size: .76rem;
  font-weight: 600;
}

.badge.demo { background: #ffedd5; color: #9a3412; }

.property-card {
  display: grid;
  grid-template-rows: 180px auto;
  overflow: hidden;
  padding: 0;
}

.property-card-media {
  background: #dbeafe;
  position: relative;
}

.property-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.property-card-body { padding: 12px; }

.property-attrs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.search-bar {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 8px;
}

.input, select, textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #fff;
  padding: 10px 12px;
  font-family: inherit;
  font-size: .95rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1.55fr .95fr;
  gap: 18px;
  align-items: start;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 170px 170px;
  gap: 8px;
}
.gallery-grid .main { grid-row: span 2; }
.gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #f1f5f9;
}

.sticky {
  position: sticky;
  top: 96px;
}

.site-footer {
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  padding: 28px 0;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 18px;
}

.footer-links a {
  display: block;
  margin: 5px 0;
  color: #334155;
}

.alert-success {
  background: #ecfdf3;
  border: 1px solid #86efac;
  color: #166534;
  border-radius: 10px;
  padding: 10px;
}

.alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  border-radius: 10px;
  padding: 10px;
}

.empty-state {
  border: 1px dashed #cbd5e1;
  border-radius: 12px;
  padding: 20px;
  background: #fff;
}

@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .two-col { grid-template-columns: 1fr; }
  .sticky { position: static; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .mobile-menu-btn { display: inline-flex; }
  .main-nav, .header-cta { display: none; }
  .site-header.open .main-nav,
  .site-header.open .header-cta {
    display: grid;
    width: 100%;
    gap: 8px;
    padding-bottom: 12px;
  }
  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }
  .main-nav { grid-template-columns: 1fr; }
  .main-nav a { background: #f8fafc; }
  .search-bar { grid-template-columns: 1fr; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 180px 120px 120px;
  }
  .gallery-grid .main {
    grid-column: span 2;
    grid-row: span 1;
  }
  .footer-inner { grid-template-columns: 1fr; }
}
/* ---- Refinamiento visual v2 ---- */

.btn,
.main-nav a,
.card,
.property-card-media img {
  transition: all .2s ease;
}

.btn-outline:hover {
  background: #f8fafc;
  border-color: #94a3b8;
  text-decoration: none;
}

.input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.hero .search-bar {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid #dbeafe;
  padding: 10px;
  border-radius: 14px;
}

.section-intro {
  margin: 6px 0 14px;
  color: #475569;
}

.kpi-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.kpi-item {
  background: #ffffff;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  padding: 10px;
}

.kpi-item strong {
  display: block;
  font-size: 1.1rem;
  color: #0f172a;
}

.site-footer {
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.site-footer strong {
  color: #0f172a;
}

.property-card h3 a {
  color: #0f172a;
}

.property-card h3 a:hover {
  color: #0284c7;
}

.demo-source {
  margin-top: 12px;
  font-size: .88rem;
  color: #475569;
}

@media (max-width: 760px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}