/* Real Estate - Custom CSS */
:root {
  /* Primary Colors */
  --primary: #2563EB;
  --primary-dark: #1E40AF;
  --primary-light: #60A5FA;
  /* Secondary Colors */
  --secondary: #10B981;
  --secondary-dark: #059669;
  --secondary-light: #34D399;
  /* Accent Colors */
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --accent-light: #FBBF24;
  /* Neutral Colors */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F9FAFB;
  --bg-tertiary: #F3F4F6;
  --text-primary: #111827;
  --text-secondary: #4B5563;
  --text-tertiary: #9CA3AF;
  --border-color: #E5E7EB;
  /* Shadow */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  /* Transition */
  --transition: all 0.3s ease;
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
}

/* Header Styles */
.header {
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
}

/* Navigation Styles */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: bold;
  font-size: 1.5rem;
  color: var(--primary);
  text-decoration: none;
}

.nav-logo img {
  height: 40px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1rem;
  align-items: center;
}

.nav-link {
  position: relative;
  color: var(--text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: var(--transition);
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary);
  background-color: var(--bg-tertiary);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-primary);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  list-style: none;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
  z-index: 999;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  padding: 0.75rem 1rem;
  transition: var(--transition);
}

.dropdown-item a {
  color: var(--text-primary);
  text-decoration: none;
  display: block;
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: var(--bg-tertiary);
}

.dropdown-item:hover a {
  color: var(--primary);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text-primary);
  font-size: 1.5rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(37, 99, 235, 0.9), rgba(30, 64, 175, 0.9)), url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 8rem 2rem;
  text-align: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  gap: 0.5rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: var(--secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background-color: var(--accent);
  color: white;
}

.btn-accent:hover {
  background-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

/* Section Styles */
.section {
  padding: 6rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.25rem;
  text-align: center;
  margin-bottom: 4rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Property Cards */
.properties-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.property-card {
  background-color: var(--bg-primary);
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.property-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.property-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

.property-card:hover .property-image {
  transform: scale(1.05);
}

.property-content {
  padding: 1.5rem;
}

.property-price {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.property-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.property-location {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.property-features {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.property-feature {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-lg);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-primary);
  padding: 2rem;
  border-radius: 0.75rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.service-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

/* Testimonials */
.testimonials {
  background-color: var(--bg-secondary);
  padding: 6rem 2rem;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background-color: var(--bg-primary);
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-primary);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info {
  background-color: var(--bg-secondary);
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-md);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  font-size: 1.5rem;
  color: var(--primary);
  margin-top: 0.25rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-size: 1rem;
  transition: var(--transition);
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: white;
  padding: 4rem 2rem 2rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: bold;
  font-size: 1.5rem;
  color: white;
  text-decoration: none;
  margin-bottom: 1rem;
}

.footer-logo img {
  height: 40px;
}

.footer-description {
  margin-bottom: 1.5rem;
  opacity: 0.8;
}

.footer-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: white;
  text-decoration: none;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-bottom {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  opacity: 0.8;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--primary);
  color: white;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: var(--transition);
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: var(--transition);
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-xl);
  z-index: 1001;
  transition: var(--transition);
  padding: 2rem;
  overflow-y: auto;
}

.mobile-menu.open {
  right: 0;
}

.mobile-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--text-primary);
}

.mobile-nav-links {
  list-style: none;
  margin-top: 4rem;
}

.mobile-nav-link {
  margin-bottom: 1rem;
}

.mobile-nav-link a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 500;
  display: block;
  padding: 0.75rem;
  border-radius: 0.375rem;
  transition: var(--transition);
}

.mobile-nav-link a:hover {
  background-color: var(--bg-tertiary);
  color: var(--primary);
}

.mobile-dropdown-menu {
  list-style: none;
  margin-left: 1.5rem;
  margin-top: 0.5rem;
  display: none;
}

.mobile-dropdown-menu.open {
  display: block;
}

.mobile-dropdown-item {
  margin-bottom: 0.5rem;
}

.mobile-dropdown-item a {
  font-size: 1rem;
  color: var(--text-secondary);
}

/* Overlay */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.overlay.open {
  opacity: 1;
  visibility: visible;
}

/* Responsive Design */
@media (max-width: 1023px) {
  /* Tablet */
  .nav-links {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .properties-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (max-width: 767px) {
  /* Mobile */
  .nav {
    padding: 1rem;
  }
  
  .hero {
    padding: 6rem 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .section {
    padding: 4rem 1rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .section-subtitle {
    font-size: 1rem;
  }
  
  .properties-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
  }
}

/* Utility Classes */
.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.text-accent {
  color: var(--accent);
}

.bg-primary {
  background-color: var(--bg-primary);
}

.bg-secondary {
  background-color: var(--bg-secondary);
}

.bg-tertiary {
  background-color: var(--bg-tertiary);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.rounded {
  border-radius: 0.375rem;
}

.rounded-lg {
  border-radius: 0.5rem;
}

.rounded-xl {
  border-radius: 0.75rem;
}

.transition {
  transition: var(--transition);
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 {
  gap: 0.25rem;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-8 {
  gap: 2rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.p-4 {
  padding: 1rem;
}

.p-8 {
  padding: 2rem;
}

.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.font-bold {
  font-weight: bold;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.text-sm {
  font-size: 0.875rem;
}

.text-base {
  font-size: 1rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.text-4xl {
  font-size: 2.25rem;
}