:root {
  /* Colors */
  --primary-color: #0d253f; /* Deep Navy Blue */
  --secondary-color: #1e40af; /* Lighter Blue */
  --accent-color: #f59e0b; /* Golden/Amber for subtle highlights */
  --text-color: #333333;
  --text-light: #6b7280;
  --background-light: #f9fafb;
  --white: #ffffff;
  --border-color: #e5e7eb;
  --success-color: #10b981;
  
  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --h1-size: 3rem;
  --h2-size: 2.25rem;
  --h3-size: 1.5rem;
  --body-size: 1rem;
  
  /* Spacing */
  --container-width: 1200px;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  /* Shadows */
  --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);
}

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

body {
  font-family: var(--font-main);
  color: var(--text-color);
  background-color: var(--background-light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

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

/* Utilities */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
}

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

.section {
  padding: var(--spacing-xl) 0;
}

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

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  font-size: 1rem;
}

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

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

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

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

/* Header */
header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-color);
  position: relative;
}

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

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(13, 37, 63, 0.8), rgba(13, 37, 63, 0.8)), url('https://placehold.co/1920x800/0d253f/ffffff?text=Fundo+Imobiliario') center/cover;
  color: var(--white);
  padding: 8rem 0;
  text-align: center;
}

.hero h1 {
  font-size: var(--h1-size);
  margin-bottom: var(--spacing-md);
  font-weight: 800;
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  opacity: 0.9;
}

/* Sections General */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title h2 {
  font-size: var(--h2-size);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--white);
  border-radius: 0.5rem;
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
  border: 1px solid var(--border-color);
}

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

.card-icon {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

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

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

.footer-col h4 {
  margin-bottom: 1.5rem;
  color: var(--accent-color);
  font-size: 1.2rem;
}

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

.footer-col ul li a {
  opacity: 0.8;
}

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

.copyright {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

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

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

.form-input, .form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Map */
.map-responsive {
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
  height: 0;
}

.map-responsive iframe {
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  position: absolute;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-md);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Cookie Banner */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--white);
  padding: 1.5rem;
  box-shadow: 0 -4px 6px rgba(0,0,0,0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  z-index: 2000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  border-top: 4px solid var(--secondary-color);
  flex-wrap: wrap;
}

#cookie-banner.show {
  transform: translateY(0);
}

#cookie-banner p {
  margin: 0;
  flex: 1;
  max-width: 800px;
}