/* ============================================================
   COLINAS DE SANTA FE — Estilos principales
   ============================================================ */

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

:root {
  --cream: #F7F4EF;
  --sand: #E8E0D3;
  --stone: #B5A898;
  --charcoal: #2C2C2A;
  --dark: #1A1A18;
  --gold: #C9A96E;
  --gold-light: #E8D5B0;
  --white: #FFFFFF;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Georgia', serif;
  background: var(--dark);
  color: var(--charcoal);
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  transition: background 0.4s;
}
nav.scrolled {
  background: rgba(26,26,24,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 0.5px solid rgba(201,169,110,0.2);
}
.nav-logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.logo-box {
  width: 44px; height: 44px;
  border: 1.5px solid var(--gold); border-radius: 3px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(201,169,110,0.08); color: var(--gold);
  font-size: 11px; font-family: 'Arial', sans-serif; letter-spacing: 0.5px;
  text-align: center; line-height: 1.2; cursor: pointer; padding: 2px;
  transition: background 0.2s;
}
.logo-box:hover { background: rgba(201,169,110,0.15); }
/* Si usas imagen de logo: */
.logo-img { height: 44px; width: auto; }
.nav-brand { display: flex; flex-direction: column; line-height: 1; }
.brand-main { font-size: 15px; font-weight: 400; letter-spacing: 2px; color: var(--white); text-transform: uppercase; font-family: 'Arial', sans-serif; }
.brand-sub { font-size: 10px; letter-spacing: 3px; color: var(--gold); text-transform: uppercase; font-family: 'Arial', sans-serif; margin-top: 2px; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { text-decoration: none; color: rgba(255,255,255,0.75); font-family: 'Arial', sans-serif; font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; transition: color 0.2s; }
.nav-links a:hover { color: var(--gold); }
.nav-cta { border: 1px solid var(--gold); color: var(--gold); padding: 10px 24px; font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; background: transparent; cursor: pointer; transition: all 0.25s; }
.nav-cta:hover { background: var(--gold); color: var(--dark); }

/* ── HERO ── */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, #3a3530 0%, #2a2620 40%, #1a1a18 100%);
  background-image: url('../images/panoramica02.jpg');
  background-size: cover;
  background-position: center;
  margin-top: 70px;
  /* Para agregar tu imagen de fondo, descomenta y ajusta: */
  /* background-image: url('../images/hero.jpg'); */
  /* background-size: cover; background-position: center; */
}

.hero-bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.bg-placeholder {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px;
  border: 2px dashed rgba(201,169,110,0.25); margin: 3rem; border-radius: 4px;
}
.bg-placeholder p { color: rgba(201,169,110,0.5); font-family: 'Arial', sans-serif; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; text-align: center; line-height: 1.8; }
.bg-placeholder small { font-size: 10px; letter-spacing: 1px; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(26,26,24,0.95) 0%, rgba(26,26,24,0.4) 50%, rgba(26,26,24,0.15) 100%); }
.hero-content { position: relative; z-index: 2; padding: 0 3rem 5rem; max-width: 820px; }
.hero-eyebrow { display: flex; align-items: center; gap: 16px; margin-bottom: 1.5rem; }
.eyebrow-line { width: 40px; height: 1px; background: var(--gold); }
.eyebrow-text { font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 3px; color: var(--gold); text-transform: uppercase; }
.hero-title { font-size: clamp(2.8rem, 6vw, 5.5rem); font-weight: 400; color: var(--white); line-height: 1.05; letter-spacing: -0.5px; margin-bottom: 1.5rem; }
.hero-title em { font-style: italic; color: var(--gold-light); }
.hero-subtitle { font-family: 'Arial', sans-serif; font-size: 15px; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 480px; margin-bottom: 2.5rem; }
.hero-actions { display: flex; gap: 16px; align-items: center; }
.btn-primary { background: var(--gold); color: var(--dark); border: none; padding: 16px 36px; font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; transition: all 0.25s; }
.btn-primary:hover { background: var(--gold-light); }
.btn-ghost { background: transparent; color: rgba(255,255,255,0.75); border: none; padding: 16px 0; font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; display: flex; align-items: center; gap: 10px; transition: color 0.2s; }
.btn-ghost:hover { color: var(--white); }
.arrow-right { width: 20px; height: 1px; background: currentColor; position: relative; display: inline-block; vertical-align: middle; }
.arrow-right::after { content: ''; position: absolute; right: 0; top: -3px; width: 6px; height: 6px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }
.hero-stats { position: absolute; right: 3rem; bottom: 5rem; z-index: 2; display: flex; flex-direction: column; gap: 2rem; }
.stat-item { text-align: right; }
.stat-number { font-size: 2.2rem; font-weight: 400; color: var(--white); line-height: 1; letter-spacing: -1px; }
.stat-label { font-family: 'Arial', sans-serif; font-size: 10px; letter-spacing: 2px; color: rgba(255,255,255,0.4); text-transform: uppercase; margin-top: 4px; }
.stat-divider { width: 100%; height: 0.5px; background: rgba(201,169,110,0.2); }
.scroll-indicator { position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; opacity: 0.5; }
.scroll-indicator span { font-family: 'Arial', sans-serif; font-size: 9px; letter-spacing: 3px; color: var(--white); text-transform: uppercase; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--white), transparent); animation: scrollAnim 2s ease infinite; }
@keyframes scrollAnim { 0% { transform: scaleY(0); transform-origin: top; opacity: 1; } 50% { transform: scaleY(1); transform-origin: top; opacity: 1; } 100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; } }

/* ── SECCIONES ── */
.section { background: var(--cream); padding: 7rem 3rem; }
.section.dark-section { background: var(--charcoal); color: var(--cream); }
.section.white-section { background: var(--white); padding: 5rem 3rem 7rem; }
.section-inner { max-width: 1160px; margin: 0 auto; }
.section-label { display: flex; align-items: center; gap: 16px; margin-bottom: 3rem; }
.section-label span { font-family: 'Arial', sans-serif; font-size: 10px; letter-spacing: 3px; color: var(--gold); text-transform: uppercase; }
.label-line { flex: 1; height: 0.5px; background: var(--sand); }
.dark-section .label-line { background: rgba(255,255,255,0.1); }
.white-section .label-line { background: var(--sand); }

/* ── ABOUT / DESARROLLO ── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 400; line-height: 1.2; color: var(--charcoal); margin-bottom: 1.5rem; }
.about-text p { font-family: 'Arial', sans-serif; font-size: 15px; line-height: 1.8; color: #7a6e62; margin-bottom: 1.5rem; }
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 0.5rem; }
.feature-list li { font-family: 'Arial', sans-serif; font-size: 12px; letter-spacing: 1px; color: var(--charcoal); text-transform: uppercase; display: flex; align-items: center; gap: 10px; }
.feature-list li::before { content: ''; width: 18px; height: 1px; background: var(--gold); flex-shrink: 0; }
.about-visual { position: relative; height: 480px; background: var(--sand); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.about-visual-inner { text-align: center; padding: 2rem; }
.about-visual-inner p { font-family: 'Arial', sans-serif; font-size: 10px; letter-spacing: 2px; color: var(--stone); text-transform: uppercase; margin-top: 12px; }
.corner-accent { position: absolute; width: 40px; height: 40px; border-color: var(--gold); border-style: solid; }
.corner-accent.tl { top: 16px; left: 16px; border-width: 1px 0 0 1px; }
.corner-accent.br { bottom: 16px; right: 16px; border-width: 0 1px 1px 0; }

/* ── VENTAJAS ── */
.ventajas-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.ventaja-item { text-align: center; padding: 2rem 1rem; }
.ventaja-icon { width: 48px; height: 48px; margin: 0 auto 1rem; display: block; }
.ventaja-title { font-size: 1rem; font-weight: 400; color: var(--charcoal); margin-bottom: 0.5rem; }
.ventaja-desc { font-family: 'Arial', sans-serif; font-size: 13px; color: #7a6e62; line-height: 1.6; }

/* ── LOTES ── */
.lotes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1rem; }
.lote-card { background: var(--white); border: 0.5px solid var(--sand); overflow: hidden; cursor: pointer; transition: transform 0.25s; }
.lote-card:hover { transform: translateY(-4px); }
.lote-visual { height: 180px; background: var(--sand); display: flex; align-items: center; justify-content: center; position: relative; }
.lote-tag { position: absolute; top: 14px; left: 14px; font-family: 'Arial', sans-serif; font-size: 9px; letter-spacing: 2px; text-transform: uppercase; padding: 5px 10px; }
.tag-disponible { background: var(--dark); color: var(--gold); }
.tag-vendido { background: var(--stone); color: var(--white); }
.tag-apartado { background: #7a6e62; color: var(--cream); }
.lote-body { padding: 1.5rem; }
.lote-name { font-size: 1.1rem; font-weight: 400; color: var(--charcoal); margin-bottom: 4px; }
.lote-ubicacion { font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 1.5px; color: var(--stone); text-transform: uppercase; margin-bottom: 1.25rem; }
.lote-specs { display: flex; gap: 0; padding-top: 1rem; border-top: 0.5px solid var(--sand); align-items: center; }
.lote-spec { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.lote-spec-val { font-family: 'Arial', sans-serif; font-size: 15px; font-weight: 700; color: var(--charcoal); }
.lote-spec-key { font-family: 'Arial', sans-serif; font-size: 9px; letter-spacing: 1.5px; color: var(--stone); text-transform: uppercase; }
.lote-price { text-align: right; }
.lote-price-val { font-size: 1.05rem; color: var(--charcoal); }
.lote-price-cur { font-family: 'Arial', sans-serif; font-size: 10px; color: var(--stone); display: block; letter-spacing: 0.5px; }

/* ── CONTACTO ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: start; }
.contact-text h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 400; line-height: 1.2; color: var(--cream); margin-bottom: 1.2rem; }
.contact-text p { font-family: 'Arial', sans-serif; font-size: 14px; line-height: 1.8; color: rgba(232,224,211,0.6); margin-bottom: 2.5rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-row { display: flex; gap: 1rem; align-items: flex-start; }
.contact-row-label { font-family: 'Arial', sans-serif; font-size: 10px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; min-width: 80px; padding-top: 1px; }
.contact-row-val { font-family: 'Arial', sans-serif; font-size: 14px; color: rgba(232,224,211,0.8); }

/* ── REDES SOCIALES ── */
.social-buttons { display: flex; flex-direction: column; gap: 12px; margin-top: 2.5rem; }
.social-btn { display: flex; align-items: center; gap: 14px; padding: 13px 18px; border: 0.5px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.04); text-decoration: none; cursor: pointer; transition: all 0.22s; }
.social-btn:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.22); }
.social-btn-icon { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.social-btn-text { display: flex; flex-direction: column; gap: 2px; }
.social-btn-name { font-family: 'Arial', sans-serif; font-size: 13px; font-weight: 600; color: var(--cream); letter-spacing: 0.5px; }
.social-btn-handle { font-family: 'Arial', sans-serif; font-size: 11px; color: rgba(232,224,211,0.45); }
.social-btn-arrow { margin-left: auto; color: rgba(232,224,211,0.25); font-family: 'Arial', sans-serif; font-size: 14px; transition: transform 0.2s, color 0.2s; }
.social-btn:hover .social-btn-arrow { transform: translateX(3px); color: var(--gold); }
.fb-icon { background: #1877F2; }
.ig-icon { background: #E1306C; }
.wa-icon { background: #25D366; }

/* ── FORMULARIO ── */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-family: 'Arial', sans-serif; font-size: 9px; letter-spacing: 2px; color: rgba(232,224,211,0.4); text-transform: uppercase; }
.form-group input,
.form-group select,
.form-group textarea { background: rgba(255,255,255,0.05); border: 0.5px solid rgba(255,255,255,0.12); color: var(--cream); padding: 12px 14px; font-family: 'Arial', sans-serif; font-size: 13px; outline: none; transition: border-color 0.2s; appearance: none; width: 100%; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: rgba(201,169,110,0.5); }
.form-group textarea { resize: vertical; min-height: 90px; }
.form-group select option { background: #2c2c2a; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(232,224,211,0.25); }
.btn-submit { background: var(--gold); color: var(--dark); border: none; padding: 16px 36px; font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 2px; text-transform: uppercase; cursor: pointer; align-self: flex-start; transition: all 0.25s; margin-top: 0.5rem; }
.btn-submit:hover { background: var(--gold-light); }

/* ── BOTONES FLOTANTES REDES ── */
.floating-social { position: fixed; right: 20px; top: 50%; transform: translateY(-50%); z-index: 99; display: flex; flex-direction: column; gap: 10px; }
.float-btn { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: transform 0.2s, opacity 0.2s; opacity: 0.85; text-decoration: none; border: none; }
.float-btn:hover { transform: scale(1.12); opacity: 1; }
.float-fb { background: #1877F2; }
.float-ig { background: #E1306C; }
.float-wa { background: #25D366; }

/* ── FOOTER ── */
footer { background: var(--dark); border-top: 0.5px solid rgba(201,169,110,0.15); padding: 2.5rem 3rem; display: flex; justify-content: space-between; align-items: center; }
.footer-brand { font-family: 'Arial', sans-serif; font-size: 10px; letter-spacing: 2.5px; color: rgba(255,255,255,0.25); text-transform: uppercase; }
.footer-copy { font-family: 'Arial', sans-serif; font-size: 10px; color: rgba(255,255,255,0.2); }
.footer-gold { font-family: 'Arial', sans-serif; font-size: 11px; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; opacity: 0.6; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .ventajas-grid { grid-template-columns: repeat(2, 1fr); }
  .lotes-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  nav { padding: 1.2rem 1.5rem; }
  .nav-links { display: none; }
  .hero-content { padding: 0 1.5rem 4rem; }
  .hero-stats { right: 1.5rem; bottom: 4rem; }
  .section { padding: 5rem 1.5rem; }
  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .about-visual { height: 300px; }
  .ventajas-grid { grid-template-columns: 1fr 1fr; }
  .lotes-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 3rem; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
  .floating-social { display: none; }
}
@media (max-width: 480px) {
  .ventajas-grid { grid-template-columns: 1fr; }
  .hero-stats { display: none; }
}