/* Base Styles */
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #6e8efb, #a777e3);
    color: #fff;
    position: relative;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  
  /* Header Styles */
  .home-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  }
  
  .home-header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .home-header .logo img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.3);
    transition: transform 0.3s ease;
  }
  
  .home-header .logo:hover img {
    transform: rotate(15deg);
  }
  
  .home-header .logo span {
    font-weight: 700;
    font-size: 1.6rem;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  }
  
  .home-header nav a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    padding: 8px 15px;
    border-radius: 30px;
  }
  
  .home-header nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
  }
  
  /* Hero Section */
  .hero {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 30px 20px;
    text-align: center;
    position: relative;
    z-index: 10;
  }
  
  .welcome {
    max-width: 800px;
    padding: 40px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  
  .welcome h1 {
    font-size: 3.2rem;
    margin-bottom: 15px;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  }
  
  .welcome h1 span {
    color: #ffd700;
    position: relative;
  }
  
  .welcome h1 span::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, transparent, #ffd700, transparent);
  }
  
  .welcome p {
    font-size: 1.4rem;
    max-width: 600px;
    margin: 0 auto 30px;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
  }
  
  /* Chat Button */
  .chat-btn {
    margin-top: 20px;
    display: inline-block;
    padding: 16px 45px;
    font-size: 1.3rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  .chat-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.3), transparent);
    transition: all 0.4s ease;
    z-index: -1;
  }
  
  .chat-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.3);
  }
  
  .chat-btn:hover::before {
    width: 100%;
  }
  
  /* Lumana Image */
  .lumana-image {
    margin-top: 50px;
    animation: float 6s ease-in-out infinite;
    perspective: 1000px;
  }
  
  .lumana-image img {
    max-width: 300px;
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    transform: rotateY(0deg);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
  }
  
  .lumana-image:hover img {
    transform: rotateY(10deg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  }
  
  /* Snowflake Animation */
  .snowflake-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
  }
  
  .snowflake {
    position: absolute;
    top: -20px;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    filter: blur(1px);
    animation: fall linear infinite;
  }
  
  @keyframes fall {
    0% {
      transform: translateY(0) translateX(0) rotate(0deg);
      opacity: 1;
    }
    100% {
      transform: translateY(100vh) translateX(20vw) rotate(360deg);
      opacity: 0;
    }
  }
  
  @keyframes float {
    0% {
      transform: translateY(0px);
    }
    50% {
      transform: translateY(-20px);
    }
    100% {
      transform: translateY(0px);
    }
  }
  
  /* Responsive Design */
  @media (max-width: 900px) {
    .welcome h1 {
      font-size: 2.5rem;
    }
    
    .welcome p {
      font-size: 1.2rem;
    }
    
    .chat-btn {
      padding: 14px 35px;
      font-size: 1.2rem;
    }
    
    .lumana-image img {
      max-width: 250px;
    }
  }
  
  @media (max-width: 600px) {
    .home-header {
      flex-direction: column;
      gap: 15px;
      padding: 15px 5%;
    }
    
    .welcome {
      padding: 30px 20px;
    }
    
    .welcome h1 {
      font-size: 2rem;
    }
    
    .welcome p {
      font-size: 1.1rem;
    }
    
    .chat-btn {
      padding: 12px 30px;
      font-size: 1.1rem;
    }
    
    .lumana-image img {
      max-width: 200px;
    }
  }
  
  @media (max-width: 400px) {
    .welcome h1 {
      font-size: 1.8rem;
    }
    
    .home-header .logo span {
      font-size: 1.3rem;
    }
    
    .lumana-image img {
      max-width: 180px;
    }
  }