:root {
      --glass: rgba(255, 255, 255, 0.05);
      --glass-border: rgba(255, 255, 255, 0.1);
      --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
      --primary: #6366f1;
      --primary-dark: #4f46e5;
      --neon: #0ea5e9;
      --text-light: #e2e8f0;
      --text-dark: #94a3b8;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: linear-gradient(135deg, #020617 0%, #0f172a 50%, #1e293b 100%);
      color: var(--text-light);
      overflow-x: hidden;
    }

    .glass {
      background: var(--glass);
      border: 1px solid var(--glass-border);
      backdrop-filter: blur(12px);
      box-shadow: var(--glass-shadow);
      border-radius: 1rem;
    }

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

    .animate-fade-in-up {
      animation: fadeInUp 0.8s ease-out forwards;
      opacity: 0;
    }

    .animation-delay-100 { animation-delay: 0.1s; }
    .animation-delay-200 { animation-delay: 0.2s; }
    .animation-delay-300 { animation-delay: 0.3s; }
    .animation-delay-400 { animation-delay: 0.4s; }
    .animation-delay-500 { animation-delay: 0.5s; }

    .hover-glow {
      transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    .hover-glow:hover {
      transform: translateY(-8px) scale(1.02);
      box-shadow: 0 20px 40px rgba(79, 70, 229, 0.3);
      border-color: var(--primary);
    }

    .skill-icon {
      transition: all 0.3s ease;
      color: var(--primary);
    }

    .skill-icon:hover {
      transform: scale(1.4) rotate(15deg);
      color: var(--neon);
      filter: drop-shadow(0 0 8px var(--neon));
    }

    #particles-js {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -10;
    }

    /* Таймлайн */
    .timeline {
      position: relative;
      padding-left: 2rem;
    }

    .timeline::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary), transparent);
    }

    .timeline-item {
      position: relative;
      padding-left: 1.5rem;
      margin-bottom: 2rem;
    }

    .timeline-item::before {
      content: "";
      position: absolute;
      left: -0.375rem;
      top: 0.5rem;
      width: 0.75rem;
      height: 0.75rem;
      border-radius: 50%;
      background: var(--primary);
    }

    .timeline-item::after {
      content: "";
      position: absolute;
      left: -0.875rem;
      top: 0;
      width: 1.75rem;
      height: 1.75rem;
      border: 2px solid var(--primary);
      border-radius: 50%;
      background: transparent;
    }

    /* Кнопка HH */
    .hh-button {
      background: linear-gradient(135deg, #ff6b35, #f7931e);
      transition: all 0.3s ease;
    }

    .hh-button:hover {
      background: linear-gradient(135deg, #e55a2b, #d4821e);
      transform: translateY(-3px) scale(1.02);
      box-shadow: 0 15px 30px rgba(255, 107, 53, 0.4);
    }