/* The Brazil Key - Brand Design System */

:root {
  /* Brand Colors - Greens */
  --color-charcoal-dark-gray: #2B3A34;
  --color-dark-forest-green: #15422D;
  --color-forest-green: #2D5344;
  --color-bright-green: #22652D;
  --color-light-leaf-green: #4CAF50;
  
  /* Brand Colors - Neutrals */
  --color-deep-black: #000000;
  --color-dark-grey: #3C3C3C;
  --color-slate-grey: #4A4A4A;
  --color-medium-grey: #6B6B6B;
  --color-warm-grey: #5C5C5C;
  
  /* Brand Colors - Warm Tones */
  --color-bronze-gold: #B8A076;
  --color-warm-gold: #CDB588;
  --color-light-gold-bronze: #C9B896;
  --color-warm-beige-tan: #D4C5A9;
  --color-cream-champagne: #E8DCC4;
  --color-soft-cream: #F0EBE3;
  --color-off-white: #F5F3EE;
  --color-pure-white: #FFFFFF;
  
  /* Semantic Colors */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: var(--color-charcoal-dark-gray);
  --bg-accent: var(--color-dark-forest-green);
  
  --text-primary: var(--color-off-white);
  --text-secondary: var(--color-soft-cream);
  --text-muted: var(--color-medium-grey);
  
  --border-color: rgba(76, 175, 80, 0.2);
  --border-hover: var(--color-light-leaf-green);
  
  /* Typography */
  --font-primary: 'Georgia', 'Times New Roman', serif;
  --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-normal: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

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

/* Base Styles */
html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

a {
  color: var(--color-light-leaf-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-bright-green);
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.section-accent {
  background: linear-gradient(135deg, var(--bg-accent) 0%, var(--color-charcoal-dark-gray) 100%);
  position: relative;
  overflow: hidden;
}

.section-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/static/images/pattern-waves.png');
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
}

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

.text-gradient {
  background: linear-gradient(135deg, var(--color-light-leaf-green), var(--color-warm-gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  font-family: var(--font-secondary);
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-light-leaf-green), var(--color-bright-green));
  color: var(--color-pure-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-pure-white);
}

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-light-leaf-green);
  color: var(--color-light-leaf-green);
}

.btn-secondary:hover {
  background-color: var(--color-light-leaf-green);
  color: var(--bg-primary);
}

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

.btn-outline:hover {
  border-color: var(--border-hover);
  background-color: rgba(76, 175, 80, 0.1);
  color: var(--color-light-leaf-green);
}

/* Cards */
.card {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

/* Header/Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

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

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-light-leaf-green);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/static/images/pattern-brazil-map.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.hero-title {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Pricing Cards */
.pricing-card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.pricing-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-light-leaf-green), var(--color-warm-gold));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.pricing-card:hover::before {
  opacity: 1;
}

.pricing-card:hover {
  border-color: var(--color-light-leaf-green);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--color-light-leaf-green);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured::before {
  opacity: 1;
}

.pricing-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-light-leaf-green);
  margin: var(--spacing-md) 0;
  font-family: var(--font-primary);
}

.pricing-price span {
  font-size: 1.2rem;
  color: var(--text-muted);
}

.pricing-features {
  list-style: none;
  margin: var(--spacing-lg) 0;
  text-align: left;
}

.pricing-features li {
  padding: var(--spacing-xs) 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: var(--spacing-lg);
}

.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-light-leaf-green);
  font-weight: bold;
}

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-light-leaf-green);
}

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

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-light-leaf-green);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.3s ease-out;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 500px;
  width: 90%;
  position: relative;
  border: 1px solid var(--border-color);
  animation: slideUp 0.3s ease-out;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 2rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
  background: none;
  border: none;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

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

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

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-light-leaf-green);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --spacing-xl: 3rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .hero {
    min-height: 80vh;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    width: 100%;
  }
  
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Loading State */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Success/Error Messages */
.message {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-md);
}

.message-success {
  background-color: rgba(76, 175, 80, 0.1);
  border: 1px solid var(--color-light-leaf-green);
  color: var(--color-light-leaf-green);
}

.message-error {
  background-color: rgba(255, 82, 82, 0.1);
  border: 1px solid #ff5252;
  color: #ff5252;
}

/* Under Construction Page */
.construction-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
  padding: var(--spacing-lg);
}

.construction-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/static/images/pattern-brazil-map.png');
  background-size: cover;
  background-position: center;
  opacity: 0.05;
  pointer-events: none;
  animation: patternFloat 60s ease-in-out infinite;
}

@keyframes patternFloat {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(20px, -20px) scale(1.05);
  }
}

.construction-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  width: 100%;
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

.logo-container {
  margin-bottom: var(--spacing-xl);
  animation: fadeIn 1s ease-out;
}

.construction-logo {
  max-width: 200px;
  height: auto;
  filter: drop-shadow(0 4px 12px rgba(76, 175, 80, 0.3));
}

.construction-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  animation: fadeInUp 1s ease-out 0.2s backwards;
}

.construction-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
  animation: fadeInUp 1s ease-out 0.4s backwards;
}

.construction-form {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
  animation: fadeInUp 1s ease-out 0.6s backwards;
}

.construction-input {
  background-color: rgba(0, 0, 0, 0.4);
  border-color: var(--border-color);
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.construction-input:focus {
  background-color: rgba(0, 0, 0, 0.6);
  border-color: var(--color-light-leaf-green);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.construction-contact {
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out 0.8s backwards;
}

.construction-email {
  font-size: 1.2rem;
  color: var(--color-light-leaf-green);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  display: inline-block;
}

.construction-email:hover {
  color: var(--color-bright-green);
  transform: translateY(-2px);
}

.construction-social {
  margin-bottom: var(--spacing-lg);
  animation: fadeInUp 1s ease-out 1s backwards;
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.social-link {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-normal);
}

.social-link:hover {
  background-color: var(--color-light-leaf-green);
  border-color: var(--color-light-leaf-green);
  color: var(--bg-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.construction-footer {
  color: var(--text-muted);
  font-size: 0.9rem;
  animation: fadeIn 1s ease-out 1.2s backwards;
}

@media (max-width: 768px) {
  .construction-page {
    padding: var(--spacing-md);
  }
  
  .construction-form {
    padding: var(--spacing-lg);
  }
  
  .construction-logo {
    max-width: 150px;
  }
  
  .social-link {
    width: 40px;
    height: 40px;
  }
}