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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: 1rem;
  color: #4a5568;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-outline {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-outline:hover {
  background: #667eea;
  color: white;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

/* Header */
.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo h1 {
  font-size: 1.8rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.tagline {
  font-size: 0.8rem;
  color: #718096;
  display: block;
  margin-top: -5px;
}

.nav-buttons {
  display: flex;
  gap: 1rem;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: #2d3748;
}

.highlight {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: #4a5568;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Features Section */
.features {
  padding: 80px 0;
  background: white;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: #2d3748;
}

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

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: 16px;
  background: #f7fafc;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  margin-bottom: 1.5rem;
  color: white;
}

.feature-card h3 {
  margin-bottom: 1rem;
  color: #2d3748;
}

/* Login CTA Section */
.login-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: white;
}

.cta-content p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.login-cta .btn-primary {
  background: white;
  color: #667eea;
}

.login-cta .btn-outline {
  border-color: white;
  color: white;
}

.login-cta .btn-outline:hover {
  background: white;
  color: #667eea;
}

/* Info Section */
.info {
  padding: 80px 0;
  background: #f7fafc;
}

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

.info-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.info-card h3 {
  color: #2d3748;
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  background: #2d3748;
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand h3 {
  color: white;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #a0aec0;
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.footer-column h4 {
  color: white;
  margin-bottom: 1rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 0.5rem;
}

.footer-column ul li a {
  color: #a0aec0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-column ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #4a5568;
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  color: #a0aec0;
  margin: 0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

  .nav-buttons {
    gap: 0.5rem;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .features-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.75rem;
  }
  h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .cta-content h2 {
    font-size: 2rem;
  }

  .cta-content p {
    font-size: 1rem;
  }
}

/* Performance Optimizations */
.hero-image img,
.feature-icon svg {
  will-change: transform;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for accessibility */
.btn:focus,
a:focus {
  outline: 2px solid #667eea;
  outline-offset: 2px;
}