:root {
    --dark-blue: #0A0E27;
    --light-blue: #141B3C;
    --accent-blue: #2563EB;
    --white: #ffffff;
    --off-white: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --highlight: #3B82F6;
    --secondary: #8B5CF6;
    --success: #10B981;
    --warning: #F59E0B;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    background: var(--dark-blue);
    color: var(--white);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Poppins', sans-serif;
    line-height: 1.6;
    margin: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  /* Professional Background Pattern */
  body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
      radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
      radial-gradient(circle at 40% 20%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: 0 24px;
  }
  
  /* Professional Header */
  header {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
  }
  
  header.scrolled {
    box-shadow: var(--shadow-lg);
  }
  
  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
  }
  
  .logo {
    display: flex;
    align-items: center;
  }
  
  .logo img {
    height: 48px;
    border-radius: 12px;
    transition: transform 0.3s ease;
  }
  
  .logo img:hover {
    transform: scale(1.05);
  }
  
  nav ul {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
    gap: 8px;
  }
  
  nav ul li a {
    color: var(--gray-300);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 15px;
    position: relative;
    overflow: hidden;
  }
  
  nav ul li a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--highlight), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
  }
  
  nav ul li a:hover {
    color: var(--white);
  }
  
  nav ul li a:hover::before {
    opacity: 0.1;
  }
  
  nav ul li a i {
    margin-right: 8px;
    font-size: 20px;
  }
  
  /* Professional Hero Section */
  .hero {
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark-blue) 0%, var(--light-blue) 100%);
  }
  
  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
  }
  
  /* Subtle Professional Gradient Orb */
  .gradient-orb {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.3) 0%, transparent 70%);
    filter: blur(60px);
    opacity: 0.5;
    top: -300px;
    right: -300px;
    animation: float 20s ease-in-out infinite;
  }
  
  @keyframes float {
    0%, 100% {
      transform: translate(0, 0) scale(1);
    }
    50% {
      transform: translate(-50px, 50px) scale(1.1);
    }
  }
  
  h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.2;
  }
  
  .hero p {
    font-size: clamp(18px, 2.5vw, 24px);
    margin-bottom: 48px;
    color: var(--gray-300);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.5;
  }
  
  /* Professional Portfolio Grid */
  .portfolio {
    padding: 80px 0;
    background: var(--dark-blue);
    position: relative;
  }
  
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    padding: 40px 0;
  }
  
  .portfolio-item {
    background: var(--light-blue);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    cursor: pointer;
  }
  
  .portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
  }
  
  .portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(59, 130, 246, 0.3);
  }
  
  .portfolio-item:hover::before {
    opacity: 1;
  }
  
  .portfolio-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  
  .portfolio-item:hover img {
    transform: scale(1.05);
  }
  
  .portfolio-item-content {
    padding: 32px;
  }
  
  .portfolio-item h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.01em;
  }
  
  .portfolio-item p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 24px;
    color: var(--gray-300);
  }
  
  /* Professional Buttons */
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 15px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--highlight), var(--accent-blue));
    box-shadow: 0 4px 15px 0 rgba(59, 130, 246, 0.3);
  }
  
  .button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.4);
  }
  
  .button:active {
    transform: translateY(0);
  }
  
  .portfolio-item .button {
    font-size: 14px;
    padding: 10px 20px;
    width: 100%;
  }
  
  /* Professional CTA Section */
  .cta {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--light-blue) 0%, var(--dark-blue) 100%);
    position: relative;
    overflow: hidden;
  }
  
  .cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
  }
  
  @keyframes rotate {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
  
  .cta h2 {
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
  }
  
  .cta p {
    font-size: clamp(16px, 2vw, 20px);
    margin-bottom: 40px;
    color: var(--gray-300);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }
  
  /* Professional Footer */
  footer {
    background: var(--dark-blue);
    color: var(--gray-400);
    padding: 40px 0;
    text-align: center;
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  /* Professional Typing Effect */
  .typing-text {
    display: inline-block;
    position: relative;
  }
  
  .typing-text::after {
    content: '|';
    position: absolute;
    right: -10px;
    color: var(--highlight);
    animation: blink 1s ease-in-out infinite;
  }
  
  @keyframes blink {
    0%, 100% {
      opacity: 1;
    }
    50% {
      opacity: 0;
    }
  }
  
  /* Remove old blob animations */
  .blob, .blob2, .blob3, .blob4 {
    display: none;
  }
  
  /* Responsive Design */
  @media screen and (max-width: 768px) {
    nav {
      flex-direction: column;
      gap: 20px;
    }
    
    nav ul {
      flex-wrap: wrap;
      justify-content: center;
    }
    
    .hero {
      padding: 60px 20px;
    }
    
    .portfolio-grid {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    
    .portfolio-item-content {
      padding: 24px;
    }
    
    .cta {
      padding: 60px 20px;
    }
  }
  
  @media screen and (max-width: 480px) {
    .portfolio-grid {
      padding: 20px 0;
    }
    
    .portfolio-item h3 {
      font-size: 18px;
    }
    
    .portfolio-item p {
      font-size: 14px;
    }
  }
  
  /* Loading Animation */
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .portfolio-item {
    animation: fadeIn 0.6s ease-out forwards;
  }
  
  .portfolio-item:nth-child(1) { animation-delay: 0.1s; }
  .portfolio-item:nth-child(2) { animation-delay: 0.2s; }
  .portfolio-item:nth-child(3) { animation-delay: 0.3s; }
  .portfolio-item:nth-child(4) { animation-delay: 0.4s; }
  .portfolio-item:nth-child(5) { animation-delay: 0.5s; }
  .portfolio-item:nth-child(6) { animation-delay: 0.6s; }