/* ==========================================================================
   UPH CONSTRUCCIONES — ESTILOS PRINCIPALES Y MAQUETACIÓN
   ========================================================================== */

/* Reseteo y Fundamentos */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(201, 167, 81, 0.04) 0%, transparent 70%),
    linear-gradient(to bottom, rgba(8, 8, 8, 0.96), rgba(8, 8, 8, 1));
}

/* Barra de desplazamiento personalizada */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #282828;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold);
}

/* Tipografía Base y Utilidades */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--color-text-primary);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.25;
}

p {
  margin-bottom: 1.25rem;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-normal);
}

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

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-gutter);
  padding-right: var(--container-gutter);
}

/* Etiquetas y Números Editoriales */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

.section-tag::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background-color: var(--color-gold);
}

.section-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  margin-bottom: 1.5rem;
}

.section-lead {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 680px;
  line-height: 1.8;
  margin-bottom: 3.5rem;
}

/* Botones de Lujo */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 2rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-gold {
  background: var(--color-gold);
  color: #080808;
  border: 1px solid var(--color-gold);
  font-weight: 600;
}

.btn-gold:hover {
  background: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-outline-gold {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-border);
}

.btn-outline-gold:hover {
  background: rgba(201, 167, 81, 0.12);
  border-color: var(--color-gold);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 1px solid var(--color-border-light);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: #080808;
  transform: translateY(-2px);
}

/* ==========================================================================
   CABECERA & NAVEGACIÓN (HEADER)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: var(--transition-normal);
  background: transparent;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
  height: 74px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logotipo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.brand-emblem {
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(201, 167, 81, 0.05);
  transition: var(--transition-normal);
}

.brand-emblem svg {
  width: 24px;
  height: 24px;
  fill: var(--color-gold);
}

.brand-logo:hover .brand-emblem {
  border-color: var(--color-gold);
  background: rgba(201, 167, 81, 0.15);
  box-shadow: 0 0 15px rgba(201, 167, 81, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-gold);
  text-transform: uppercase;
}

/* Menú Principal */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 2.2rem;
}

.nav-link {
  font-size: 0.72rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--color-text-secondary);
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-normal);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-gold);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
  transform-origin: left;
}

.nav-link.active {
  color: var(--color-gold);
}

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

/* Botón Hamburguesa Móvil */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 1010;
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: #ffffff;
  position: absolute;
  left: 0;
  transition: var(--transition-normal);
}

.mobile-menu-btn span:nth-child(1) { top: 3px; }
.mobile-menu-btn span:nth-child(2) { top: 11px; }
.mobile-menu-btn span:nth-child(3) { top: 19px; }

.mobile-menu-btn.open span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
  background-color: var(--color-gold);
}
.mobile-menu-btn.open span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.open span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
  background-color: var(--color-gold);
}

/* Menú Overlay Móvil */
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  z-index: 1005;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, visibility 0.4s ease;
  visibility: hidden;
}

.mobile-drawer.open {
  opacity: 1;
  pointer-events: all;
  visibility: visible;
}

.mobile-nav-list {
  list-style: none;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  letter-spacing: 0.15em;
  color: #ffffff;
  text-transform: uppercase;
  transition: var(--transition-normal);
}

.mobile-nav-link:hover {
  color: var(--color-gold);
}

/* ==========================================================================
   HERO SECTION (CINEMATIC FULLSCREEN)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--header-height);
  padding-bottom: 4rem;
  background-color: var(--color-bg-primary);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.38) contrast(1.1);
  transform: scale(1.03);
  animation: heroZoom 20s infinite alternate ease-in-out;
}

@keyframes heroZoom {
  0% { transform: scale(1.0); }
  100% { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    linear-gradient(to bottom, rgba(8, 8, 8, 0.4) 0%, rgba(8, 8, 8, 0.8) 75%, var(--color-bg-primary) 100%),
    radial-gradient(circle at center, transparent 40%, rgba(8, 8, 8, 0.7) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 960px;
  padding: 0 1rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.35em;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  padding: 0.4rem 1.2rem;
  background: rgba(201, 167, 81, 0.08);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-sm);
}

.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4.6rem);
  font-weight: 500;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 1.75rem;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
}

.hero-title span {
  color: var(--color-gold);
  font-style: italic;
}

.hero-description {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.75rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

/* Indicador de Scroll */
.hero-scroll-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  text-decoration: none;
}

.hero-scroll-text {
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--color-text-muted);
  transition: var(--transition-normal);
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollDown 2.2s infinite ease-in-out;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

.hero-scroll-cue:hover .hero-scroll-text {
  color: var(--color-gold);
}

/* ==========================================================================
   SECCIÓN: LA FIRMA CONSTRUCTORA (NOSOTROS & HISTORIA)
   ========================================================================== */
.firm-section {
  padding: 8rem 0;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.firm-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
}

.firm-content h2 {
  font-size: clamp(2rem, 3.2vw, 2.8rem);
  margin-bottom: 1.5rem;
}

.firm-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1.5vw, 1.35rem);
  color: var(--color-gold);
  line-height: 1.6;
  border-left: 2px solid var(--color-gold);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
}

.firm-text {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  line-height: 1.85;
}

/* Cifras de Trayectoria */
.firm-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-number {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 3vw, 3rem);
  color: var(--color-gold);
  font-weight: 600;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

/* Composición Visual de la Firma */
.firm-visual {
  position: relative;
}

.firm-image-frame {
  position: relative;
  padding: 1rem;
  border: 1px solid var(--color-gold-muted);
  background: var(--color-bg-surface);
}

.firm-image-frame::before {
  content: "";
  position: absolute;
  top: -10px;
  right: -10px;
  width: 60px;
  height: 60px;
  border-top: 1px solid var(--color-gold);
  border-right: 1px solid var(--color-gold);
  pointer-events: none;
}

.firm-image-frame::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: -10px;
  width: 60px;
  height: 60px;
  border-bottom: 1px solid var(--color-gold);
  border-left: 1px solid var(--color-gold);
  pointer-events: none;
}

.firm-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  filter: contrast(1.05) brightness(0.95);
  transition: var(--transition-slow);
}

.firm-image-frame:hover .firm-img {
  filter: contrast(1.1) brightness(1.0);
}

.firm-badge-overlay {
  position: absolute;
  bottom: 2rem;
  left: 2rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-gold-border);
  padding: 1.25rem 1.75rem;
  box-shadow: var(--shadow-elevated);
}

.firm-badge-year {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-gold);
  font-weight: 600;
  line-height: 1;
}

.firm-badge-text {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #ffffff;
  margin-top: 0.3rem;
}

/* ==========================================================================
   SECCIÓN: COLECCIÓN DE EDIFICIOS (PORTAFOLIO MULTI-PROYECTO)
   ========================================================================== */
.portfolio-section {
  padding: 8rem 0;
  position: relative;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.portfolio-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
  gap: 2rem;
}

/* Barra de Filtros */
.portfolio-filters {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.65rem 1.4rem;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
}

.filter-btn:hover {
  color: #ffffff;
  border-color: var(--color-border-light);
}

.filter-btn.active {
  background: var(--color-gold);
  color: #080808;
  border-color: var(--color-gold);
  font-weight: 600;
}

/* Grilla de Edificios */
.buildings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.5rem;
}

/* Tarjeta de Proyecto de Ultra-Lujo */
.project-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.project-card:hover {
  border-color: var(--color-gold-border);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 25px rgba(201, 167, 81, 0.12);
}

.card-media {
  position: relative;
  height: 380px;
  overflow: hidden;
  background: #111111;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
}

.project-card:hover .card-img {
  transform: scale(1.06);
  filter: brightness(1.05);
}

.card-gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(16, 16, 16, 0.95) 0%, rgba(16, 16, 16, 0.2) 60%, transparent 100%);
  pointer-events: none;
}

/* Badge de Estado */
.card-badge {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 2;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.card-badge.status-construccion {
  background: rgba(201, 167, 81, 0.92);
  color: #080808;
}

.card-badge.status-entregado {
  background: rgba(255, 255, 255, 0.88);
  color: #080808;
}

/* Galería Counter Badge */
.card-photos-count {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  color: #ffffff;
  font-size: 0.68rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.card-photos-count svg {
  width: 13px;
  height: 13px;
  fill: var(--color-gold);
}

/* Cuerpo de la Tarjeta */
.card-body {
  padding: 2rem 2.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-location {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 0.75rem;
}

.card-location svg {
  width: 13px;
  height: 13px;
  fill: var(--color-gold);
}

.card-title {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: #ffffff;
  transition: var(--transition-normal);
}

.project-card:hover .card-title {
  color: var(--color-gold);
}

.card-summary {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Píldoras de Especificaciones */
.card-specs-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
}

.spec-pill {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
}

.spec-pill strong {
  color: #ffffff;
  font-weight: 500;
}

.card-action {
  margin-top: auto;
}

.card-action .btn {
  width: 100%;
}

/* ==========================================================================
   SECCIÓN: CAPACIDAD CONSTRUCTIVA & MATERIALIDAD
   ========================================================================== */
.dna-section {
  padding: 8rem 0;
  position: relative;
  border-bottom: 1px solid var(--color-border);
}

.dna-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.dna-card {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  padding: 2.5rem 2rem;
  border-radius: var(--radius-sm);
  position: relative;
  transition: var(--transition-normal);
}

.dna-card:hover {
  border-color: var(--color-gold-border);
  background: var(--color-bg-card);
  transform: translateY(-4px);
}

.dna-card-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  color: var(--color-gold-muted);
  line-height: 1;
  margin-bottom: 1.25rem;
  transition: var(--transition-normal);
}

.dna-card:hover .dna-card-number {
  color: var(--color-gold);
}

.dna-card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: #ffffff;
}

.dna-card-desc {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   SECCIÓN: INVERSIONES Y TERRENOS
   ========================================================================== */
.invest-section {
  padding: 8rem 0;
  position: relative;
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
}

.invest-box {
  background: linear-gradient(135deg, #181818 0%, #121212 100%);
  border: 1px solid var(--color-gold-muted);
  border-radius: var(--radius-sm);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  box-shadow: var(--shadow-card);
}

.invest-content h3 {
  font-size: clamp(1.8rem, 2.8vw, 2.4rem);
  margin-bottom: 1.25rem;
}

.invest-content p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.invest-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.invest-bullet-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.invest-bullet-item svg {
  width: 16px;
  height: 16px;
  fill: var(--color-gold);
  flex-shrink: 0;
}

.invest-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  padding: 2.5rem;
  border-left: 1px solid var(--color-border);
  text-align: center;
}

/* ==========================================================================
   SECCIÓN: SUITE DE CONTACTO CORPORATIVO
   ========================================================================== */
.contact-section {
  padding: 8rem 0;
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
}

.contact-info-panel h2 {
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  margin-bottom: 1.25rem;
}

.contact-info-panel p {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.contact-meta-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-meta-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-surface);
  flex-shrink: 0;
}

.contact-meta-icon svg {
  width: 18px;
  height: 18px;
  fill: var(--color-gold);
}

.contact-meta-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-gold);
  margin-bottom: 0.25rem;
}

.contact-meta-value {
  font-size: 1.05rem;
  color: #ffffff;
  line-height: 1.5;
}

/* Formulario Corporativo Estilo 888 */
.contact-form-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
}

.form-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 0.6rem;
  font-weight: 500;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  color: #ffffff;
  font-size: 0.95rem;
  transition: var(--transition-normal);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 15px rgba(201, 167, 81, 0.2);
  background: #181818;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #e54b4b;
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-submit-btn {
  width: 100%;
  margin-top: 1rem;
}

/* Mensaje de Éxito en Formulario */
.form-success-banner {
  display: none;
  padding: 1.5rem;
  background: rgba(201, 167, 81, 0.1);
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
  color: #ffffff;
  text-align: center;
  margin-top: 1.5rem;
}

.form-success-banner.visible {
  display: block;
  animation: fadeIn 0.5s ease;
}

.form-success-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.site-footer {
  background-color: #060606;
  border-top: 1px solid var(--color-border);
  padding: 5rem 0 2.5rem;
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand h4 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #ffffff;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 360px;
  line-height: 1.7;
}

.footer-col-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.footer-link {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: var(--transition-normal);
}

.footer-link:hover {
  color: #ffffff;
  padding-left: 4px;
}

.footer-social-row {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-icon-btn {
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-surface);
  transition: var(--transition-normal);
}

.social-icon-btn svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-secondary);
  transition: var(--transition-normal);
}

.social-icon-btn:hover {
  border-color: var(--color-gold);
  background: rgba(201, 167, 81, 0.15);
}

.social-icon-btn:hover svg {
  fill: var(--color-gold);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-faint);
  flex-wrap: wrap;
  gap: 1rem;
}

/* Botón flotante Volver Arriba */
.back-to-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-gold-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 990;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: var(--transition-normal);
}

.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}

.back-to-top-btn svg {
  width: 18px;
  height: 18px;
  fill: var(--color-gold);
  transition: var(--transition-normal);
}

.back-to-top-btn:hover svg {
  fill: #080808;
}

/* ==========================================================================
   RESPONSIVIDAD Y MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .firm-grid {
    grid-template-columns: 1fr;
  }
  .firm-image-frame {
    max-width: 600px;
    margin: 0 auto;
  }
  .invest-box {
    grid-template-columns: 1fr;
  }
  .invest-actions {
    border-left: none;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu,
  .header-cta {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .form-group-row {
    grid-template-columns: 1fr;
  }
  .portfolio-header-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .firm-metrics {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .buildings-grid {
    grid-template-columns: 1fr;
  }
}