* { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { font-family: 'Inter', sans-serif; overflow-x: hidden; }

    /* Animated gradient background */
    .hero-gradient {
      background: linear-gradient(135deg, #0b1120 0%, #111b33 25%, #0c4a6e 50%, #164e63 75%, #0b1120 100%);
      background-size: 400% 400%;
      animation: gradientShift 12s ease infinite;
    }
    @keyframes gradientShift {
      0% { background-position: 0% 50%; }
      50% { background-position: 100% 50%; }
      100% { background-position: 0% 50%; }
    }

    /* Particle canvas */
    #particles-canvas {
      position: absolute;
      top: 0; left: 0;
      width: 100%; height: 100%;
      pointer-events: none;
      z-index: 1;
    }

    /* Text reveal animations */
    .reveal-up {
      opacity: 0;
      transform: translateY(40px);
      transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-up.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .reveal-left {
      opacity: 0;
      transform: translateX(-40px);
      transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-left.visible {
      opacity: 1;
      transform: translateX(0);
    }

    .reveal-right {
      opacity: 0;
      transform: translateX(40px);
      transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-right.visible {
      opacity: 1;
      transform: translateX(0);
    }

    .reveal-scale {
      opacity: 0;
      transform: scale(0.85);
      transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .reveal-scale.visible {
      opacity: 1;
      transform: scale(1);
    }

    /* Stagger delays */
    .delay-1 { transition-delay: 0.1s !important; }
    .delay-2 { transition-delay: 0.2s !important; }
    .delay-3 { transition-delay: 0.3s !important; }
    .delay-4 { transition-delay: 0.4s !important; }
    .delay-5 { transition-delay: 0.5s !important; }
    .delay-6 { transition-delay: 0.6s !important; }
    .delay-7 { transition-delay: 0.7s !important; }
    .delay-8 { transition-delay: 0.8s !important; }
    .delay-9 { transition-delay: 0.9s !important; }
    .delay-10 { transition-delay: 1.0s !important; }

    /* Highlighted keyword style */
    .keyword {
      position: relative;
      display: inline-block;
      color: #22d3ee;
      font-weight: 700;
    }
    .keyword::after {
      content: '';
      position: absolute;
      bottom: 2px;
      left: -4px;
      right: -4px;
      height: 35%;
      background: rgba(34, 211, 238, 0.15);
      border-radius: 4px;
      z-index: -1;
      transform: scaleX(0);
      transform-origin: left;
      transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .keyword.visible::after {
      transform: scaleX(1);
    }

    /* Typing cursor */
    .typing-cursor::after {
      content: '|';
      animation: blink 1s step-end infinite;
      color: #22d3ee;
      font-weight: 300;
    }
    @keyframes blink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0; }
    }

    /* Floating animation */
    .float {
      animation: floating 6s ease-in-out infinite;
    }
    .float-delayed {
      animation: floating 6s ease-in-out 2s infinite;
    }
    @keyframes floating {
      0%, 100% { transform: translateY(0px); }
      50% { transform: translateY(-20px); }
    }

    /* Glow pulse */
    .glow-pulse {
      animation: glowPulse 3s ease-in-out infinite;
    }
    @keyframes glowPulse {
      0%, 100% { box-shadow: 0 0 20px rgba(34, 211, 238, 0.2); }
      50% { box-shadow: 0 0 40px rgba(34, 211, 238, 0.4); }
    }

    /* Counter animation */
    .counter-value {
      font-variant-numeric: tabular-nums;
    }

    /* Scroll indicator */
    .scroll-indicator {
      animation: scrollBounce 2s ease-in-out infinite;
    }
    @keyframes scrollBounce {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(10px); }
    }

    /* Navbar glass */
    .nav-glass {
      backdrop-filter: blur(20px) saturate(180%);
      -webkit-backdrop-filter: blur(20px) saturate(180%);
      background: rgba(11, 17, 32, 0.75);
      border-bottom: 1px solid rgba(34, 211, 238, 0.1);
    }
    .nav-glass.scrolled {
      background: rgba(11, 17, 32, 0.92);
      border-bottom: 1px solid rgba(34, 211, 238, 0.2);
    }

    /* Card hover effect */
    .focus-card {
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .focus-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 60px rgba(34, 211, 238, 0.15);
    }

    /* Timeline connector */
    .timeline-line {
      background: linear-gradient(180deg, #22d3ee 0%, #14b8a6 50%, #22d3ee 100%);
    }

    /* Mobile menu */
    .mobile-menu {
      transform: translateX(100%);
      transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .mobile-menu.open {
      transform: translateX(0);
    }

    /* Molecule decorative */
    .molecule-dot {
      animation: moleculeFloat 4s ease-in-out infinite;
    }
    .molecule-dot:nth-child(2) { animation-delay: 1s; }
    .molecule-dot:nth-child(3) { animation-delay: 2s; }
    @keyframes moleculeFloat {
      0%, 100% { transform: scale(1); opacity: 0.6; }
      50% { transform: scale(1.3); opacity: 1; }
    }

    /* Hero text animation */
    .hero-title span {
      display: inline-block;
      opacity: 0;
      transform: translateY(60px) rotateX(-15deg);
      animation: heroReveal 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }
    @keyframes heroReveal {
      to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
      }
    }

    /* Section divider */
    .section-divider {
      background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.3), transparent);
      height: 1px;
    }

    /* Smooth image overlay */
    .img-overlay {
      position: relative;
      overflow: hidden;
    }
    .img-overlay::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(11,17,32,0.4), rgba(12,74,110,0.2));
      z-index: 1;
      border-radius: inherit;
    }