:root {
      --primary: #3a86ff;
      --accent: #ff006e;
      --text-gradient: linear-gradient(90deg, #3a86ff, #ff006e);
      --text-gradient-vertical: linear-gradient(to bottom, #3a86ff, #ff006e);
      --card-bg: rgba(10, 10, 15, 0.8);
      --dark-bg: #000000;
      --darker-bg: #050505;
      --neon-blue: #3a86ff;
      --neon-red: #ff006e;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    html {
      scroll-behavior: smooth;
    }
    
    body {
      font-family: 'Plus Jakarta Sans', sans-serif;
      background: var(--dark-bg);
      color: #fff;
      overflow-x: hidden;
      position: relative;
    }
    

    /* Animated Background */
    .animated-bg {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -2;
      background: 
        radial-gradient(circle at 20% 30%, rgba(58, 134, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 110, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 90%, rgba(58, 134, 255, 0.1) 0%, transparent 40%);
      animation: morphBackground 20s ease-in-out infinite;
    }

    @keyframes morphBackground {
      0%, 100% { 
        background: 
          radial-gradient(circle at 20% 30%, rgba(58, 134, 255, 0.15) 0%, transparent 50%),
          radial-gradient(circle at 80% 70%, rgba(255, 0, 110, 0.15) 0%, transparent 50%),
          radial-gradient(circle at 40% 90%, rgba(58, 134, 255, 0.1) 0%, transparent 40%);
      }
      33% { 
        background: 
          radial-gradient(circle at 70% 20%, rgba(58, 134, 255, 0.2) 0%, transparent 60%),
          radial-gradient(circle at 30% 80%, rgba(255, 0, 110, 0.12) 0%, transparent 45%),
          radial-gradient(circle at 90% 50%, rgba(58, 134, 255, 0.08) 0%, transparent 35%);
      }
      66% { 
        background: 
          radial-gradient(circle at 10% 70%, rgba(255, 0, 110, 0.18) 0%, transparent 55%),
          radial-gradient(circle at 90% 30%, rgba(58, 134, 255, 0.12) 0%, transparent 50%),
          radial-gradient(circle at 50% 10%, rgba(255, 0, 110, 0.1) 0%, transparent 40%);
      }
    }

    /* Floating 3D Elements */
    .floating-elements {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: -1;
      overflow: hidden;
    }

    .floating-book {
      position: absolute;
      width: 40px;
      height: 50px;
      background: var(--text-gradient);
      border-radius: 4px;
      animation: floatBook 15s linear infinite;
      opacity: 0.7;
      transform-style: preserve-3d;
    }

    .floating-book::before {
      content: '';
      position: absolute;
      top: 0;
      left: -3px;
      width: 3px;
      height: 100%;
      background: rgba(0,0,0,0.3);
      transform: rotateY(-90deg);
      transform-origin: right;
    }

    .floating-book::after {
      content: '📚';
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      font-size: 16px;
    }

    @keyframes floatBook {
      0% { transform: translateX(-100px) translateY(100vh) rotateY(0deg) rotateX(0deg); }
      100% { transform: translateX(calc(100vw + 100px)) translateY(-100px) rotateY(360deg) rotateX(180deg); }
    }

    .floating-formula {
      position: absolute;
      font-size: 24px;
      font-weight: bold;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      animation: floatFormula 12s linear infinite;
      opacity: 0.6;
      font-family: 'Times New Roman', serif;
    }

    @keyframes floatFormula {
      0% { transform: translateX(100vw) translateY(80vh) rotateZ(0deg) scale(0.5); opacity: 0; }
      10% { opacity: 0.6; }
      90% { opacity: 0.6; }
      100% { transform: translateX(-200px) translateY(20vh) rotateZ(360deg) scale(1.2); opacity: 0; }
    }

    /* 3D Canvas Container */
    #threejs-canvas {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      pointer-events: none;
    }

    header {
      position: fixed;
      height: 80px;
      top: 0;
      z-index: 100;
      background: rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(15px);
      -webkit-backdrop-filter: blur(15px);
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 2rem;
      border-bottom: 1px solid rgba(255,255,255,0.1);
      width: 100%;
      transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    }

    .logo-container {
      height: 100%;
      display: flex;
      align-items: center;
    }

    .logo {
      height: 50px;
      transition: all 0.3s ease;
    }

    .logo:hover {
      transform: scale(1.05);
    }

    header .nav {
      display: none;
      gap: 2rem;
    }

    header .nav a {
      color: #eee;
      font-weight: 500;
      text-decoration: none;
      transition: all 0.3s;
      position: relative;
      padding: 0.5rem 1rem;
      border-radius: 0.5rem;
    }

    header .nav a:hover {
      color: var(--primary);
      transform: translateY(-2px);
    }

    header .nav a::after {
      content: '';
      position: absolute;
      bottom: -5px;
      left: 50%;
      width: 0;
      height: 2px;
      background: var(--text-gradient);
      transition: all 0.3s;
      transform: translateX(-50%);
    }

    header .nav a:hover::after {
      width: 80%;
    }

    .auth-buttons-desktop {
      display: none;
      gap: 0.75rem;
    }

    .mobile-menu-toggle {
      display: block;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.8rem;
      cursor: pointer;
      padding: 0.5rem;
      transition: all 0.3s ease;
      border-radius: 0.5rem;
      z-index: 101;
    }

    .mobile-menu-toggle:hover {
      transform: scale(1.1);
    }

    .mobile-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 100%;
      height: 100vh;
      background: rgba(0, 0, 0, 0.95);
      backdrop-filter: blur(25px);
      -webkit-backdrop-filter: blur(25px);
      transition: right 0.5s cubic-bezier(0.23, 1, 0.32, 1);
      padding: 6rem 2rem 2rem;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      z-index: 99;
    }

    .mobile-menu.active {
      right: 0;
    }

    .mobile-menu a {
      color: #eee;
      text-decoration: none;
      font-size: 1.5rem;
      font-weight: 600;
      padding: 1rem;
      border-radius: 1rem;
      transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
      background: rgba(255,255,255,0.05);
      border: 1px solid rgba(255,255,255,0.1);
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .mobile-menu a:hover {
      color: var(--primary);
      background: rgba(58, 134, 255, 0.1);
      transform: translateX(10px);
      border-color: rgba(58, 134, 255, 0.3);
    }

    .mobile-menu a::before {
      content: '→';
      opacity: 0;
      transition: all 0.3s ease;
    }

    .mobile-menu a:hover::before {
      opacity: 1;
      transform: translateX(-5px);
    }

    .mobile-auth-buttons {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      margin-top: 2rem;
      padding-top: 2rem;
      border-top: 1px solid rgba(255,255,255,0.1);
    }

    .btn {
      padding: 0.8rem 1.5rem;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
      cursor: pointer;
      border: none;
      outline: none;
      text-decoration: none;
      display: inline-block;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .btn::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 0;
      height: 0;
      background: rgba(255,255,255,0.2);
      border-radius: 50%;
      transform: translate(-50%, -50%);
      transition: all 0.5s ease;
    }

    .btn:hover::before {
      width: 300px;
      height: 300px;
    }

    .btn-outline {
      background: transparent;
      border: 2px solid rgba(255,255,255,0.5);
      color: #fff;
      position: relative;
    }

    .btn-outline:hover {
      color: #000;
      border-color: var(--primary);
      background: var(--text-gradient);
      transform: translateY(-3px);
    }

    .btn-primary {
      background: var(--text-gradient);
      color: #000;
      font-weight: 700;
    }

    .btn-primary:hover {
      transform: translateY(-5px);
      background: linear-gradient(90deg, #4a96ff, #ff1a7e);
    }

    .hero-container {
      min-height: 100vh;
      position: relative;
      overflow: hidden;
    }

    .hero {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 2rem 1rem;
      position: relative;
      z-index: 2;
    }

    .hero::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 20% 30%, rgba(58, 134, 255, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 110, 0.2) 0%, transparent 40%);
      animation: heroGlow 8s ease-in-out infinite alternate;
      pointer-events: none;
    }

    @keyframes heroGlow {
      0% { opacity: 0.5; transform: scale(1); }
      100% { opacity: 0.8; transform: scale(1.1); }
    }

    /* Pinned Notes Styles */
    .pinned-notes {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 1;
    }

    .sticky-note {
      position: absolute;
      width: 230px;
      height: 100px;
      background: linear-gradient(135deg, #ffeb3b, #ffc107);
      border-radius: 8px;
      box-shadow: 
        0 4px 12px rgba(0,0,0,0.15),
        inset 0 1px 0 rgba(255,255,255,0.2);
      transform-origin: center;
      animation: noteFloat 6s ease-in-out infinite;
      cursor: pointer;
      pointer-events: auto;
      transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    }

    .sticky-note:hover {
      transform: scale(1.1) rotate(0deg) !important;
      z-index: 10;
    }

    .sticky-note::before {
      content: '';
      position: absolute;
      top: 8px;
      left: 50%;
      transform: translateX(-50%);
      width: 20px;
      height: 20px;
      background: radial-gradient(circle, #ff4444, #cc0000);
      border-radius: 50%;
      box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    }

    .sticky-note::after {
      content: '';
      position: absolute;
      top: 18px;
      left: 50%;
      transform: translateX(-50%);
      width: 3px;
      height: 8px;
      background: #666;
      border-radius: 1px;
    }

    .note-content {
      padding: 35px 12px 12px;
      font-size: 15px;
      font-weight: 600;
      color: #333;
      text-align: left;
      line-height: 1.3;
      font-family: 'Comic Sans MS'
    }

    /* Note Colors */
    .sticky-note.yellow {
      background: linear-gradient(135deg, #ffeb3b, #ffc107);
    }

    .sticky-note.pink {
      background: linear-gradient(135deg, #ff4081, #e91e63);
    }

    .sticky-note.pink .note-content {
      color: #fff;
    }

    .sticky-note.blue {
      background: linear-gradient(135deg, #42a5f5, #1976d2);
    }

    .sticky-note.blue .note-content {
      color: #fff;
    }

    .sticky-note.green {
      background: linear-gradient(135deg, #66bb6a, #388e3c);
    }

    .sticky-note.green .note-content {
      color: #fff;
    }

    /* Mobile positioning (2 notes) */
    .sticky-note:nth-child(1) {
      top: 20%;
      left: 5%;
      animation-delay: 0s;
      transform: rotate(-8deg);
    }

    .sticky-note:nth-child(2) {
      top: 15%;
      right: 5%;
      animation-delay: 1.5s;
      transform: rotate(12deg);
    }

    /* Hidden on mobile by default */
    .sticky-note:nth-child(3),
    .sticky-note:nth-child(4) {
      display: none;
    }

    @keyframes noteFloat {
      0%, 100% { transform: translateY(0) rotate(var(--rotation, 0deg)); }
      50% { transform: translateY(-10px) rotate(var(--rotation, 0deg)); }
    }

    .hero h1 {
      font-size: clamp(2.5rem, 8vw, 5rem);
      font-weight: 800;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.1;
      margin-bottom: 1rem;
      position: relative;
      z-index: 3;
      animation: titlePulse 4s ease-in-out infinite;
    }

    @keyframes titlePulse {
      0%, 100% { 
        filter: brightness(1) saturate(1);
        transform: scale(1);
      }
      50% { 
        filter: brightness(1.2) saturate(1.3);
        transform: scale(1.02);
      }
    }

    .hero .subtext {
      font-size: clamp(1.1rem, 4vw, 1.4rem);
      margin: 1.5rem 0 2.5rem;
      color: rgba(255,255,255,0.9);
      max-width: 600px;
      line-height: 1.6;
      position: relative;
      z-index: 3;
    }

    .hero .actions {
      margin-top: 2rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
      justify-content: center;
      align-items: center;
      position: relative;
      z-index: 3;
    }

    .hero .btn-large {
      padding: 1.2rem 3rem;
      font-size: 1.1rem;
      border-radius: 60px;
    }

    .scroll-hint {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      flex-direction: column;
      align-items: center;
      color: rgba(255,255,255,0.8);
      font-size: 0.9rem;
      animation: bounce 2s infinite;
      z-index: 3;
    }

    .scroll-hint i {
      margin-bottom: 5px;
      font-size: 1.5rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .metrics {
      background: var(--dark-bg);
      padding: 4rem 1rem;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 2rem;
      text-align: center;
      position: relative;
      z-index: 2;
      max-width: 1200px;
      margin: 0 auto;
    }

    .metric-card {
      background: var(--card-bg);
      padding: 2.5rem 2rem;
      border-radius: 2rem;
      transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255,255,255,0.1);
      position: relative;
      overflow: hidden;
    }

    .metric-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(58, 134, 255, 0.1), transparent);
      transition: all 0.6s ease;
    }

    .metric-card:hover::before {
      left: 100%;
    }

    .metric-card:hover {
      transform: translateY(-15px);
      border-color: var(--primary);
      background: rgba(10, 10, 15, 0.9);
    }

    .metric-card h2 {
      font-size: 3rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 0.5rem;
      position: relative;
      z-index: 2;
    }

    .metric-card p {
      color: rgba(255,255,255,0.8);
      font-weight: 500;
      font-size: 1.1rem;
      position: relative;
      z-index: 2;
    }

    .why-choose {
      padding: 6rem 1rem;
      text-align: center;
      background: var(--dark-bg);
      position: relative;
    }

    .why-choose h2 {
      font-size: clamp(2rem, 6vw, 3rem);
      margin-bottom: 3rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      position: relative;
      animation: sectionTitle 3s ease-in-out infinite;
    }

    @keyframes sectionTitle {
      0%, 100% { transform: scale(1); }
      50% { transform: scale(1.02); }
    }

    .why-choose h2::after {
      content: '';
      position: absolute;
      bottom: -15px;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 4px;
      background: var(--text-gradient);
      border-radius: 2px;
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      max-width: 1400px;
      margin: 0 auto;
    }

    .feature-card {
      background: var(--card-bg);
      padding: 2.5rem;
      border-radius: 2rem;
      transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
      backdrop-filter: blur(20px);
      border: 1px solid rgba(255,255,255,0.1);
      position: relative;
      overflow: hidden;
      transform-style: preserve-3d;
    }

    .feature-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(45deg, 
        rgba(58, 134, 255, 0.05) 0%, 
        rgba(255, 0, 110, 0.05) 50%, 
        rgba(58, 134, 255, 0.05) 100%);
      opacity: 0;
      transition: all 0.5s ease;
      z-index: 0;
    }

    .feature-card:hover::before {
      opacity: 1;
    }

    .feature-card:hover {
      border-color: var(--accent);
      transform: translateY(-20px);
    }

    .feature-card h3 {
      font-size: 1.4rem;
      margin-bottom: 1rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      position: relative;
      z-index: 2;
    }

    .feature-card p {
      color: rgba(255,255,255,0.8);
      line-height: 1.7;
      font-size: 1rem;
      position: relative;
      z-index: 2;
    }

    .mission, .cta, .faq {
      padding: 6rem 1rem;
      text-align: center;
      max-width: 1200px;
      margin: 0 auto;
    }

    .mission {
      background: var(--darker-bg);
      border-radius: 3rem;
      margin: 4rem 1rem;
      position: relative;
      overflow: hidden;
    }

    .mission::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: 
        radial-gradient(circle at 30% 30%, rgba(58, 134, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(255, 0, 110, 0.1) 0%, transparent 50%);
      animation: missionBg 15s linear infinite;
    }

    @keyframes missionBg {
      0% { transform: rotate(0deg) scale(1); }
      100% { transform: rotate(360deg) scale(1.1); }
    }

    .mission h2 {
      font-size: clamp(2rem, 6vw, 3rem);
      margin-bottom: 1.5rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      position: relative;
      z-index: 2;
    }

    .mission p {
      max-width: 800px;
      margin: 0 auto;
      color: rgba(255,255,255,0.9);
      line-height: 1.8;
      font-size: 1.1rem;
      position: relative;
      z-index: 2;
    }

    .faq {
      background: var(--dark-bg);
    }

    .faq h2 {
      font-size: clamp(2rem, 6vw, 3rem);
      margin-bottom: 3rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      position: relative;
    }

    .faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq details {
      background: var(--card-bg);
      padding: 2rem;
      margin: 1.5rem 0;
      border-radius: 2rem;
      cursor: pointer;
      transition: all 0.4s ease;
      border: 1px solid rgba(255,255,255,0.1);
      backdrop-filter: blur(20px);
    }

    .faq details:hover {
      border-color: rgba(58, 134, 255, 0.3);
      transform: translateY(-5px);
    }

    .faq details[open] {
      background: rgba(10, 10, 15, 0.95);
      border-color: var(--accent);
    }

    .faq summary {
      font-weight: 600;
      font-size: 1.1rem;
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      color: #fff;
      transition: all 0.3s ease;
    }

    .faq details[open] summary {
      color: var(--accent);
      margin-bottom: 1rem;
    }

    .faq summary::after {
      content: "⚡";
      font-size: 1.5rem;
      transition: all 0.3s ease;
      color: rgba(255,255,255,0.6);
    }

    .faq details[open] summary::after {
      content: "🔥";
      color: var(--accent);
      transform: scale(1.2);
    }

    .faq p {
      margin-top: 1rem;
      color: rgba(255,255,255,0.9);
      line-height: 1.7;
      text-align: left;
      font-size: 1rem;
    }

    .cta {
      background: var(--darker-bg);
      border-radius: 3rem;
      margin: 4rem 1rem;
      position: relative;
      overflow: hidden;
    }

    .cta::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: 
        radial-gradient(circle, rgba(58, 134, 255, 0.15) 0%, transparent 70%),
        radial-gradient(circle, rgba(255, 0, 110, 0.15) 0%, transparent 70%);
      animation: rotate 25s linear infinite;
      pointer-events: none;
    }

    .cta h2 {
      font-size: clamp(2rem, 6vw, 3.5rem);
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin-bottom: 1.5rem;
      position: relative;
      z-index: 1;
      animation: ctaTitle 3s ease-in-out infinite;
    }

    @keyframes ctaTitle {
      0%, 100% { transform: scale(1) rotateY(0deg); }
      50% { transform: scale(1.05) rotateY(5deg); }
    }

    .cta p {
      margin-bottom: 2.5rem;
      color: rgba(255,255,255,0.9);
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      position: relative;
      z-index: 1;
      font-size: 1.2rem;
      line-height: 1.6;
    }

    footer {
      padding: 4rem 1rem;
      background: #000;
      text-align: center;
      font-size: 1rem;
      color: #888;
      position: relative;
      border-top: 1px solid rgba(58, 134, 255, 0.2);
    }

    footer strong {
      font-size: 1.5rem;
      background: var(--text-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      display: inline-block;
      margin-bottom: 1rem;
    }

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

    @keyframes bounce {
      0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
      40% { transform: translateY(-20px) translateX(-50%); }
      60% { transform: translateY(-10px) translateX(-50%); }
    }

    /* Responsive Design */
    @media (min-width: 768px) {
      header .nav {
        display: flex;
      }

      .auth-buttons-desktop {
        display: flex;
      }

      .mobile-menu-toggle {
        display: none;
      }

      .hero .actions {
        flex-direction: row;
        gap: 1.5rem;
      }

      .hero {
        padding: 4rem 2rem;
      }

      .features-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .metrics {
        padding: 4rem 2rem;
      }

      .why-choose, .mission, .faq, .cta {
        padding: 6rem 2rem;
      }

      /* Show all 4 notes on larger screens */
      .sticky-note:nth-child(3),
      .sticky-note:nth-child(4) {
        display: block;
      }

      /* Laptop positioning (4 notes) */
      .sticky-note:nth-child(1) {
        top: 25%;
        left: 8%;
        animation-delay: 0s;
        transform: rotate(-12deg);
      }

      .sticky-note:nth-child(2) {
        top: 18%;
        right: 8%;
        animation-delay: 1.5s;
        transform: rotate(15deg);
      }

      .sticky-note:nth-child(3) {
        bottom: 25%;
        left: 12%;
        animation-delay: 3s;
        transform: rotate(8deg);
      }

      .sticky-note:nth-child(4) {
        bottom: 30%;
        right: 12%;
        animation-delay: 4.5s;
        transform: rotate(-10deg);
      }
    }

    @media (min-width: 1024px) {
      .features-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .metrics {
        grid-template-columns: repeat(3, 1fr);
      }

      header {
        padding: 0 4rem;
      }
      
      .logo {
        height: 60px;
      }

      /* Adjust note positioning for larger screens */
      .sticky-note:nth-child(1) {
        top: 20%;
        left: 10%;
      }

      .sticky-note:nth-child(2) {
        top: 15%;
        right: 10%;
      }

      .sticky-note:nth-child(3) {
        bottom: 20%;
        left: 15%;
      }

      .sticky-note:nth-child(4) {
        bottom: 25%;
        right: 15%;
      }
    }

    /* Particle System */
    .particle {
      position: absolute;
      background: var(--text-gradient);
      border-radius: 50%;
      animation: particleFloat 20s linear infinite;
      opacity: 0.6;
    }

    @keyframes particleFloat {
      0% {
        transform: translateY(100vh) translateX(0) rotate(0deg);
        opacity: 0;
      }
      10% {
        opacity: 0.6;
      }
      90% {
        opacity: 0.6;
      }
      100% {
        transform: translateY(-100px) translateX(200px) rotate(360deg);
        opacity: 0;
      }
    }

    /* Interactive Cursor Effect */
    .cursor-glow {
      position: fixed;
      width: 20px;
      height: 20px;
      background: var(--text-gradient);
      border-radius: 50%;
      pointer-events: none;
      z-index: 9999;
      mix-blend-mode: difference;
      transition: transform 0.1s ease;
    }

    /* Study Elements */
    .study-element {
      position: absolute;
      font-size: 2rem;
      animation: studyFloat 8s ease-in-out infinite;
      opacity: 0.3;
      pointer-events: none;
    }

    @keyframes studyFloat {
      0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.3; }
      50% { transform: translateY(-20px) rotate(180deg); opacity: 0.6; }
    }