/* ==========================================================================
   ESTUDIO ANABELLA ZALAZAR - SISTEMA DE DISEÑO ARQUITECTÓNICO EDITORIAL
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Syne:wght@500;700;800&display=swap');

:root {
  /* Paleta cromática arquitectónica */
  --bg-main: #F9F8F5;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F1EFEA;
  --bg-dark: #131313;
  --bg-dark-surface: #1E1E1E;
  
  --text-primary: #181818;
  --text-secondary: #5C5A56;
  --text-muted: #8E8B85;
  --text-light: #FFFFFF;
  --text-light-muted: #B3B0AA;

  --accent-terracotta: #B84A28;
  --accent-terracotta-dark: #993B1E;
  --accent-terracotta-light: rgba(184, 74, 40, 0.08);
  
  --border-light: rgba(0, 0, 0, 0.08);
  --border-dark: rgba(255, 255, 255, 0.12);

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Syne', sans-serif;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 25px 60px rgba(0, 0, 0, 0.18);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* Tipografía de Títulos */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ==========================================================================
   HEADER Y NAVEGACIÓN
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(19, 19, 19, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-dark);
  transition: var(--transition);
  padding: 1.25rem 0;
}

.header.scrolled {
  padding: 0.8rem 0;
  background: rgba(19, 19, 19, 0.96);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

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

.brand-title {
  color: var(--text-light);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-subtitle {
  color: var(--text-light-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-light-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-terracotta);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-light);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-btn-contact {
  background: var(--accent-terracotta);
  color: var(--text-light) !important;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

.nav-btn-contact:hover {
  background: var(--accent-terracotta-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(184, 74, 40, 0.4);
}

.nav-btn-contact::after {
  display: none !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  width: 26px;
  height: 2px;
  background: var(--text-light);
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================================================
   HERO EDITORIAL
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  padding: 140px 2rem 80px;
  background-color: var(--bg-dark);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.42);
  transform: scale(1.04);
  transition: transform 10s ease-out;
  z-index: 0;
}

.hero:hover .hero-bg {
  transform: scale(1);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(19, 19, 19, 0.4) 0%, rgba(19, 19, 19, 0.8) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  text-align: center;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #F1EFEA;
  margin-bottom: 2rem;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-terracotta);
}

.hero-title {
  font-size: clamp(2.8rem, 6.5vw, 5.2rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 1.75rem;
  color: var(--text-light);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 300;
  max-width: 720px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--accent-terracotta);
  color: var(--text-light);
  padding: 1.1rem 2.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.5px;
  box-shadow: 0 10px 25px rgba(184, 74, 40, 0.35);
}

.btn-primary:hover {
  background: var(--accent-terracotta-dark);
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(184, 74, 40, 0.5);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  color: var(--text-light);
  padding: 1.1rem 2.2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-3px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  max-width: 780px;
  margin: 4.5rem auto 0;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-item {
  text-align: center;
}

.hero-stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: var(--text-light);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-light-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================================================
   SECCIONES Y CABECERAS
   ========================================================================== */
section {
  padding: 7.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4.5rem;
}

.section-tag {
  display: inline-block;
  color: var(--accent-terracotta);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   SOBRE MÍ / ESTUDIO
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 5rem;
  align-items: center;
}

.about-image-card {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.about-image-wrapper:hover img {
  transform: scale(1.03);
}

.about-exp-badge {
  position: absolute;
  bottom: -25px;
  right: -25px;
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 170px;
  border: 1px solid var(--border-dark);
}

.about-exp-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-terracotta);
  line-height: 1;
}

.about-exp-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 0.4rem;
  text-align: center;
  color: var(--text-light-muted);
}

.about-content-text {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-architect-name {
  font-size: clamp(2rem, 3.5vw, 2.6rem);
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.about-architect-degree {
  font-size: 1rem;
  color: var(--accent-terracotta);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.about-values {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.about-value-item {
  background: var(--bg-surface);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.about-value-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.about-value-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   PROYECTOS / GALERÍA
   ========================================================================== */
.projects-section {
  background: var(--bg-surface-alt);
}

.projects-filters {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.filter-btn {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--bg-dark);
  color: var(--text-light);
  border-color: var(--bg-dark);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2.5rem;
}

.project-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.project-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #E0DDD8;
}

.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-card-image img {
  transform: scale(1.08);
}

.project-badge-cat {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  background: rgba(19, 19, 19, 0.8);
  backdrop-filter: blur(8px);
  color: var(--text-light);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.project-card-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  gap: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  font-weight: 500;
}

.project-title {
  font-size: 1.45rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  transition: color 0.3s ease;
}

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

.project-desc-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-cta-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-terracotta);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ==========================================================================
   SERVICIOS
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(184, 74, 40, 0.3);
}

.service-image-box {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #E0DDD8;
}

.service-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-card:hover .service-image-box img {
  transform: scale(1.06);
}

.service-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.35rem;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-terracotta);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ==========================================================================
   PROPIEDADES / VENTAS
   ========================================================================== */
.properties-section {
  background: #ECEAE4;
}

.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.5rem;
}

.property-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.property-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.property-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--accent-terracotta);
  color: var(--text-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  z-index: 10;
  box-shadow: 0 4px 15px rgba(184, 74, 40, 0.4);
}

.property-image {
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #D9D6D0;
}

.property-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.property-card:hover .property-image img {
  transform: scale(1.08);
}

.property-info {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.property-price {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent-terracotta);
  margin-bottom: 0.5rem;
}

.property-title {
  font-size: 1.45rem;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
}

.property-details {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.property-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.btn-property-inquire {
  margin-top: auto;
  display: block;
  text-align: center;
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: var(--transition);
}

.btn-property-inquire:hover {
  background: var(--accent-terracotta);
  transform: translateY(-2px);
}

/* ==========================================================================
   FORMULARIO DE CONTACTO
   ========================================================================== */
.contact-section {
  background: var(--bg-surface);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: start;
}

.contact-info-card {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.contact-info-title {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.contact-info-p {
  color: var(--text-light-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

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

.contact-channel-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  color: var(--accent-terracotta);
}

.contact-channel-data {
  display: flex;
  flex-direction: column;
}

.contact-channel-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-light-muted);
}

.contact-channel-value {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-light);
}

.contact-channel-value:hover {
  color: var(--accent-terracotta);
}

.contact-form-card {
  background: var(--bg-main);
  padding: 3.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--text-primary);
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-terracotta);
  box-shadow: 0 0 0 4px var(--accent-terracotta-light);
}

.form-feedback {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: none;
  font-size: 0.95rem;
}

.form-feedback.success {
  display: block;
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #A5D6A7;
}

.form-feedback.error {
  display: block;
  background: #FFEBEE;
  color: #C62828;
  border: 1px solid #FFCDD2;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid var(--border-dark);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand-desc {
  color: var(--text-light-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 1.25rem;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

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

.footer-links a {
  color: var(--text-light-muted);
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--accent-terracotta);
  padding-left: 4px;
}

.footer-social-links {
  display: flex;
  gap: 1rem;
}

.footer-social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: var(--transition);
}

.footer-social-icon:hover {
  background: var(--accent-terracotta);
  transform: translateY(-3px);
}

.footer-bottom {
  padding-top: 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-admin-link {
  color: var(--text-muted);
  transition: color 0.3s;
}

.footer-admin-link:hover {
  color: var(--text-light);
}

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2.5rem;
  right: 2.5rem;
  background: #25D366;
  color: #FFFFFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  z-index: 990;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
}

/* ==========================================================================
   MODAL / LIGHTBOX DE PROYECTO
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-card {
  background: var(--bg-surface);
  width: 100%;
  max-width: 1050px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
  animation: modalSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
  from {
    transform: translateY(40px) scale(0.97);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

.modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: var(--accent-terracotta);
  transform: rotate(90deg);
}

.modal-gallery-wrapper {
  position: relative;
  width: 100%;
  height: 520px;
  background: #111;
  overflow: hidden;
}

.modal-gallery-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-gallery-nav:hover {
  background: var(--accent-terracotta);
}

.modal-gallery-prev { left: 1.5rem; }
.modal-gallery-next { right: 1.5rem; }

.modal-body {
  padding: 3rem;
}

.modal-specs-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.5rem;
  background: var(--bg-surface-alt);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
}

.modal-spec-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.modal-spec-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .about-exp-badge {
    bottom: -15px;
    right: 15px;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 380px;
    height: 100vh;
    background: rgba(19, 19, 19, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 3rem;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
  }
  .nav-menu.active {
    right: 0;
  }
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .projects-grid, .services-grid, .properties-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .contact-info-card, .contact-form-card {
    padding: 2rem;
  }
  .modal-gallery-wrapper {
    height: 320px;
  }
  .modal-body {
    padding: 1.75rem;
  }
}