/* CSS Reset & Variables */
*, *::before, *::after { 
  box-sizing: border-box; 
  margin: 0; 
  padding: 0; 
}

:root {
  --primary: #0f4c3a;
  --primary-light: #1a6b4f;
  --accent:  #FFD200;
  --accent-light:  #FFD200;
  --surface: #ffffff;
  --surface-alt: #f8fafc;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', system-ui, -apple-system, sans-serif;
}

html { 
  scroll-behavior: smooth; 
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--surface-alt);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* Top Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.logo:hover {
  color: var(--accent);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -4px;
  left: 0;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Main Content */
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem 2rem;
}

/* Section Styling */
.section {
  margin-bottom: 5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1rem;
  position: relative;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-weight: 400;
}

/* Resolution Section */
.resolutions-section {
  background: var(--surface);
  border-radius: 24px;
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.resolution-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.resolution-list li {
  transform: translateX(-20px);
  opacity: 0;
  animation: slideInLeft 0.6s ease-out forwards;
  position: relative;
}

.resolution-list li:nth-child(2) { animation-delay: 0.1s; }
.resolution-list li:nth-child(3) { animation-delay: 0.2s; }

@keyframes slideInLeft {
  to { transform: translateX(0); opacity: 1; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-md);
  width: 100%;
  justify-content: center;
}

.btn:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.btn i {
  font-size: 1.2rem;
}

/* Footer */
.footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 2rem;
  margin-top: 4rem;
}

.footer p {
  opacity: 0.8;
}

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

@media (max-width: 768px) {
  .nav-container {
    padding: 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .main-content {
    padding: 6rem 1rem 2rem 1rem;
  }
  
  .resolutions-section {
    padding: 2rem 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .btn {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
}