:root {
      --primary: #2563eb;
      --primary-dark: #1d4ed8;
      --secondary: #10B981;
      --secondary-dark: #059669;
      --accent: #8b5cf6;
      --dark: #0F172A;
      --light: #FFFFFF;
      --gray-50: #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;
      --gray-900: #0F172A;
      --text-primary: #1E293B;
      --text-secondary: #64748B;
      --gradient: linear-gradient(135deg, #2563eb 0%, #10B981 100%);
      --gradient-hover: linear-gradient(135deg, #1d4ed8 0%, #059669 100%);
      --gradient-accent: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
      --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
      --card-shadow-hover: 0 20px 40px rgba(37, 99, 235, 0.1);
      --neon-glow: 0 0 30px rgba(37, 99, 235, 0.1);
      --neon-glow-accent: 0 0 30px rgba(139, 92, 246, 0.1);
    }

    [data-theme="dark"] {
      --primary: #60a5fa;
      --primary-dark: #3b82f6;
      --secondary: #34d399;
      --secondary-dark: #10b981;
      --accent: #a78bfa;
      --light: #0F172A;
      --gray-50: #1E293B;
      --gray-100: #334155;
      --gray-200: #475569;
      --gray-300: #64748b;
      --gray-400: #94A3B8;
      --gray-500: #cbd5e1;
      --gray-600: #e2e8f0;
      --gray-700: #f1f5f9;
      --gray-800: #f8fafc;
      --gray-900: #ffffff;
      --text-primary: #F1F5F9;
      --text-secondary: #94A3B8;
      --gradient: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
      --gradient-hover: linear-gradient(135deg, #2563eb 0%, #059669 100%);
      --gradient-accent: linear-gradient(135deg, #a78bfa 0%, #ec4899 100%);
      --card-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
      --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.4);
    }

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

    body {
      font-family: 'Inter', sans-serif;
      background-color: var(--light);
      color: var(--text-primary);
      overflow-x: hidden;
      transition: all 0.3s ease;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Poppins', sans-serif;
      font-weight: 700;
      line-height: 1.2;
    }

    .gradient-text {
      background: var(--gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .gradient-text-accent {
      background: var(--gradient-accent);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .btn-primary {
      background: var(--gradient);
      color: white;
      padding: 14px 36px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      z-index: 1;
      box-shadow: var(--neon-glow);
    }

    .btn-primary::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: var(--gradient-hover);
      transition: left 0.5s ease;
      z-index: -1;
    }

    .btn-primary:hover::before {
      left: 0;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 30px rgba(37, 99, 235, 0.2);
    }

    .btn-secondary {
      background: transparent;
      color: var(--primary);
      padding: 14px 36px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 1rem;
      border: 2px solid var(--primary);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .btn-secondary:hover {
      background: rgba(37, 99, 235, 0.1);
      transform: translateY(-2px);
    }

    .btn-accent {
      background: var(--gradient-accent);
      color: white;
      padding: 14px 36px;
      border-radius: 10px;
      font-weight: 600;
      font-size: 1rem;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      overflow: hidden;
      z-index: 1;
      box-shadow: var(--neon-glow-accent);
    }

    .btn-accent::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
      transition: left 0.5s ease;
      z-index: -1;
    }

    .btn-accent:hover::before {
      left: 0;
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 30px rgba(139, 92, 246, 0.2);
    }

    .card {
      background: var(--light);
      border-radius: 16px;
      padding: 2rem;
      box-shadow: var(--card-shadow);
      transition: all 0.4s ease;
      border: 1px solid var(--gray-200);
      height: 100%;
    }

    .card:hover {
      transform: translateY(-8px);
      box-shadow: var(--card-shadow-hover);
      border-color: var(--primary);
    }

    .section-title {
      position: relative;
      display: inline-block;
      margin-bottom: 3rem;
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 0;
      width: 60px;
      height: 4px;
      background: var(--gradient);
      border-radius: 2px;
    }

    .nav-link {
      position: relative;
      padding: 8px 0;
      color: var(--text-primary);
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--gradient);
      transition: width 0.3s ease;
    }

    .nav-link:hover::after {
      width: 100%;
    }

    .nav-link:hover {
      color: var(--primary);
    }

    .glass-effect {
      background: rgba(255, 255, 255, 0.8);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    }

    [data-theme="dark"] .glass-effect {
      background: rgba(15, 23, 42, 0.8);
    }

    .scroll-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      width: 50px;
      height: 50px;
      background: var(--gradient);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      cursor: pointer;
      opacity: 0;
      transform: translateY(20px);
      transition: all 0.3s ease;
      z-index: 1000;
      box-shadow: var(--neon-glow);
    }

    .scroll-top.show {
      opacity: 1;
      transform: translateY(0);
    }

    /* Blog specific styles */
    .blog-hero {
      background: linear-gradient(135deg, var(--gray-50) 0%, var(--light) 100%);
      min-height: 400px;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
    }

    [data-theme="dark"] .blog-hero {
      background: linear-gradient(135deg, var(--gray-100) 0%, var(--dark) 100%);
    }

    .blog-hero-pattern {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      opacity: 0.03;
      background-image: 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='%232563eb' fill-opacity='0.4'%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");
    }

    .blog-card {
      background: var(--light);
      border-radius: 16px;
      overflow: hidden;
      transition: all 0.4s ease;
      border: 1px solid var(--gray-200);
      box-shadow: var(--card-shadow);
      height: 100%;
    }

    .blog-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--card-shadow-hover);
      border-color: var(--primary);
    }

    .blog-image {
      height: 200px;
      width: 100%;
      overflow: hidden;
    }

    .blog-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .blog-card:hover .blog-image img {
      transform: scale(1.1);
    }

    .post-meta {
      display: flex;
      align-items: center;
      gap: 1rem;
      color: var(--text-secondary);
      font-size: 0.9rem;
      margin-bottom: 1rem;
    }

    .post-meta i {
      margin-right: 4px;
    }

    .category-tag {
      display: inline-block;
      padding: 4px 12px;
      background: rgba(37, 99, 235, 0.1);
      color: var(--primary);
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
      border: 1px solid rgba(37, 99, 235, 0.2);
      transition: all 0.3s ease;
    }

    .category-tag:hover {
      background: rgba(37, 99, 235, 0.2);
      transform: translateY(-2px);
    }

    .filter-btn {
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.9rem;
      font-weight: 500;
      background: var(--gray-100);
      color: var(--text-secondary);
      border: 1px solid var(--gray-200);
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .filter-btn:hover, .filter-btn.active {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
    }

    .search-input {
      width: 100%;
      padding: 12px 16px;
      border-radius: 10px;
      border: 1px solid var(--gray-300);
      background: var(--light);
      color: var(--text-primary);
      transition: all 0.3s ease;
    }

    .search-input:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    }

    [data-theme="dark"] .search-input {
      background: var(--gray-100);
      border-color: var(--gray-600);
    }

    .bg-section-light {
      background-color: var(--gray-50);
    }

    [data-theme="dark"] .bg-section-light {
      background-color: var(--gray-100);
    }

    .bg-section-dark {
      background-color: var(--dark);
      color: white;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .blog-hero {
        min-height: 300px;
        text-align: center;
      }
      
      .section-title {
        font-size: 2rem;
      }
    }