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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

/* Header */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #667eea;
  text-decoration: none;
}

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

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #667eea;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
  animation: float 20s infinite linear;
}

@keyframes float {
  0% {
    transform: translateY(0px) rotate(0deg);
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  font-weight: 700;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 15px 30px;
  background: #ff6b6b;
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
}

/* Features Section */
.features {
  padding: 5rem 0;
  background: white;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: #333;
}

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

.feature-card {
  text-align: center;
  padding: 2rem;
  border-radius: 15px;
  background: #f8f9fa;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: #333;
}

.feature-card p {
  color: #666;
  line-height: 1.6;
}

/* About Section */
.about {
  padding: 5rem 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: #333;
}

.about-text p {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.about-image {
  text-align: center;
  font-size: 8rem;
  color: #667eea;
}

/* Download Section */
.download {
  padding: 5rem 0;
  background: #333;
  color: white;
  text-align: center;
}

.download h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
}

.download p {
  font-size: 1.2rem;
  margin-bottom: 3rem;
  opacity: 0.9;
}

.download-buttons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 25px;
  background: #667eea;
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.download-btn:hover {
  background: #5a6fd8;
  transform: translateY(-2px);
}

/* Privacy Policy Specific Styles */
.privacy-page {
  background: white;
  min-height: 100vh;
  padding-top: 100px; /* Account for fixed header */
}

.privacy-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background: white;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.privacy-content h1 {
  font-size: 2.5rem;
  color: #333;
  margin-bottom: 1rem;
  text-align: center;
  border-bottom: 3px solid #667eea;
  padding-bottom: 1rem;
}

.privacy-content h2 {
  font-size: 1.8rem;
  color: #667eea;
  margin-top: 2rem;
  margin-bottom: 1rem;
  border-left: 4px solid #667eea;
  padding-left: 1rem;
}

.privacy-content h3 {
  font-size: 1.3rem;
  color: #333;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.privacy-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
  color: #555;
}

.privacy-content ul,
.privacy-content ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

.privacy-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.privacy-content a {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
}

.privacy-content a:hover {
  text-decoration: underline;
}

.back-to-home {
  display: inline-block;
  margin-bottom: 2rem;
  padding: 10px 20px;
  background: #667eea;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: 500;
  transition: background 0.3s ease;
}

.back-to-home:hover {
  background: #5a6fd8;
}

.date-info {
  background: #f8f9fa;
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  border-left: 4px solid #667eea;
}

/* Footer */
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  .nav-links {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .privacy-content {
    margin: 1rem;
    padding: 1rem;
  }

  .privacy-content h1 {
    font-size: 2rem;
  }

  .privacy-content h2 {
    font-size: 1.5rem;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Animation for elements */
.fade-in {
  animation: fadeIn 0.6s ease-in;
}

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