/* === Font & Global === */
  @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

  body {
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    background: #000000;
    color: #ffffff;
  }

  /* === Background & Gradient === */
  .gradient-bg {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
  }

  .card-gradient {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
  }

  .hero-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #e5e5e5 50%, #cccccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  /* === Logo Glow === */
  .logo-container {
    position: relative;
    display: inline-block;
  }

  .logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0.5rem;
    background: linear-gradient(45deg, #ffffff, #e5e5e5, #cccccc);
    filter: blur(15px);
    opacity: 0.3;
    z-index: -1;
    animation: spin-slow 8s linear infinite;
  }

  @keyframes spin-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
  }

  /* === Feature & Snippet Cards === */
  .feature-card,
  .snippet-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .feature-card:hover {
    transform: translateY(-5px);
  }

  .snippet-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .snippet-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px -5px rgba(255, 255, 255, 0.1);
  }

  /* === Language Badge === */
  .language-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    padding: 0.4rem 0.8rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
  }

  /* === Input & Code Editor === */
  .input-field,
  .code-editor {
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .input-field:focus,
  .code-editor:focus {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
  }

  .code-editor {
    font-family: 'Courier New', monospace;
  }

  /* === Code Block / Container === */
  .code-container {
    background: #1e1e1e !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    overflow: hidden;
  }

  .code-block {
    position: relative;
    overflow: hidden;
  }

  .code-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    animation: shimmer 3s infinite;
  }

  @keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
  }

  /* === VS Code Style Syntax Highlight === */
  .hljs {
    background: #1e1e1e !important;
    padding: 1rem !important;
    border-radius: 0 0 0.75rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
  }

  .code-header {
    background: #2d2d2d;
    border-bottom: 1px solid #3e3e3e;
  }

  /* === Buttons === */
  .copy-btn {
    transition: all 0.2s ease;
  }

  .copy-btn.copied {
    background-color: rgba(255, 255, 255, 0.2) !important;
  }

  .like-btn {
    transition: all 0.3s ease;
  }

  .like-btn.liked {
    color: #ffffff;
    border-color: #ffffff;
  }

  /* === Success Checkmark Animation === */
  .success-checkmark {
    width: 60px;
    height: 60px;
    margin: 0 auto;
  }

  .success-checkmark .check-icon {
    width: 60px;
    height: 60px;
    position: relative;
    border-radius: 50%;
    box-sizing: content-box;
    border: 3px solid #ffffff;
  }

  .success-checkmark .check-icon .icon-line {
    height: 4px;
    background-color: #ffffff;
    display: block;
    border-radius: 2px;
    position: absolute;
    z-index: 10;
  }

  .success-checkmark .check-icon .icon-line.line-tip {
    top: 34px;
    left: 10px;
    width: 19px;
    transform: rotate(45deg);
    animation: icon-line-tip 0.75s;
  }

  .success-checkmark .check-icon .icon-line.line-long {
    top: 28px;
    right: 6px;
    width: 35px;
    transform: rotate(-45deg);
    animation: icon-line-long 0.75s;
  }

  .success-checkmark .check-icon .icon-circle {
    top: -3px;
    left: -3px;
    z-index: 10;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    position: absolute;
    box-sizing: content-box;
    border: 3px solid rgba(255, 255, 255, 0.3);
  }

  .success-checkmark .check-icon .icon-fix {
    top: 6px;
    width: 4px;
    left: 19px;
    z-index: 1;
    height: 64px;
    position: absolute;
    transform: rotate(-45deg);
    background-color: transparent;
  }

  @keyframes icon-line-tip {
    0% { width: 0; left: 1px; top: 14px; }
    54% { width: 0; left: 1px; top: 14px; }
    70% { width: 38px; left: -6px; top: 28px; }
    84% { width: 13px; left: 16px; top: 36px; }
    100% { width: 19px; left: 10px; top: 34px; }
  }

  @keyframes icon-line-long {
    0% { width: 0; right: 35px; top: 40px; }
    65% { width: 0; right: 35px; top: 40px; }
    84% { width: 41px; right: 0px; top: 26px; }
    100% { width: 35px; right: 6px; top: 28px; }
  }

  /* === Floating Elements & Particles === */
  .floating-element {
    animation: float 6s ease-in-out infinite;
  }

  .floating-element:nth-child(2) { animation-delay: 2s; }
  .floating-element:nth-child(3) { animation-delay: 4s; }

  .particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 8s infinite linear;
  }

  /* === Text Effects === */
  .typing-text {
    display: inline-block;
    overflow: hidden;
    border-right: 3px solid #ffffff;
    white-space: nowrap;
  }

  .animate-pulse-slow {
    animation: pulse 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  }

  .animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
  }

  @keyframes fadeInUp {
    0% { transform: translateY(30px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
  }

  /* === Guest Info === */
  .guest-info {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid rgba(255, 255, 255, 0.3);
  }

  /* === Touch-friendly Buttons === */
  .btn-mobile {
    min-height: 44px;
    min-width: 44px;
  }

  /* === Responsive Design === */
  @media (max-width: 768px) {
    .container {
      padding-left: 1rem;
      padding-right: 1rem;
    }

    .hero-section {
      padding-top: 2rem;
      padding-bottom: 2rem;
    }

    .card-gradient {
      padding: 1.5rem !important;
    }

    .code-editor {
      font-size: 0.875rem;
    }

    .code-block {
      margin-top: 2rem;
    }

    .code-container {
      border-radius: 0.5rem;
    }

    .hljs {
      padding: 0.75rem !important;
      font-size: 0.8rem;
    }

    .floating-element {
      display: none;
    }
  }

  @media (max-width: 640px) {
    .snippet-card {
      padding: 1rem !important;
    }

    .language-badge {
      font-size: 0.7rem;
      padding: 0.3rem 0.6rem;
    }

    .code-editor {
      font-size: 0.8rem;
    }

    .input-field,
    .code-editor {
      padding: 0.75rem !important;
    }

    .hljs {
      font-size: 0.75rem;
      padding: 0.5rem !important;
    }
  }