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

html, body {
  height: 100%;
  width: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  overflow-x: hidden;
}

body {
  background: linear-gradient(135deg, #000000 0%, #1a0000 25%, #330000 50%, #1a0000 75%, #000000 100%);
  background-attachment: fixed;
  color: #ffffff;
  line-height: 1.6;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header Styles */
.header {
  padding: 1rem 2rem;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 0, 0, 0.2);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.logo h2 {
  background: linear-gradient(45deg, #ff0000, #ff6666);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.8rem;
  font-weight: bold;
}

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

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

.nav-links a:hover {
  color: #ff0000;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.hero-section {
  width: 100%;
  max-width: 1200px;
  text-align: center;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, #ffffff, #ff0000, #ffffff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.2rem;
  margin-bottom: 3rem;
  color: #cccccc;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Download Section */
.download-section {
  margin: 3rem 0;
}

.download-card {
  background: linear-gradient(145deg, rgba(255, 0, 0, 0.1), rgba(0, 0, 0, 0.3));
  border: 2px solid rgba(255, 0, 0, 0.3);
  border-radius: 20px;
  padding: 3rem 2rem;
  max-width: 500px;
  margin: 0 auto;
  backdrop-filter: blur(15px);
  box-shadow: 0 20px 40px rgba(255, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.download-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 30px 60px rgba(255, 0, 0, 0.2);
  border-color: rgba(255, 0, 0, 0.5);
}

.download-icon {
  font-size: 4rem;
  color: #ff0000;
  margin-bottom: 1.5rem;
  animation: pulse 2s infinite;
}

.download-card h3 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.download-card p {
  color: #cccccc;
  margin-bottom: 1.5rem;
}

.download-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 10px;
}

.file-size, .file-type {
  color: #ff6666;
  font-weight: 600;
  font-size: 0.9rem;
}

.download-btn {
  background: linear-gradient(45deg, #ff0000, #cc0000);
  color: white;
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(255, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 auto;
}

.download-btn:hover {
  background: linear-gradient(45deg, #cc0000, #990000);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(255, 0, 0, 0.4);
}

.download-btn:active {
  transform: translateY(-1px);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.feature-item {
  text-align: center;
  padding: 2rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(255, 0, 0, 0.1);
  border-color: rgba(255, 0, 0, 0.3);
  transform: translateY(-5px);
}

.feature-item i {
  font-size: 2.5rem;
  color: #ff0000;
  margin-bottom: 1rem;
}

.feature-item h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.feature-item p {
  color: #cccccc;
  font-size: 0.9rem;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid rgba(255, 0, 0, 0.2);
  color: #cccccc;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .download-card {
    margin: 1rem;
    padding: 2rem 1rem;
  }
  
  .download-info {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .download-btn {
    padding: 0.8rem 2rem;
    font-size: 1rem;
  }
}