:root {
    --bg-dark: #10101d;
    --primary-accent: #6f42c1;
    --secondary-accent: #c84664;
    --tertiary-accent: #00acee;
    --text-light: #f0f0f8;
    --text-muted: #a0a0c0;
    --card-bg: rgba(26, 26, 46, 0.55);
    --border-color: rgba(255, 255, 255, 0.15);
    --glow-color: rgba(111, 66, 193, 0.4);
  }
  
  /* Reset */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
  }
  
  /* Aurora Background */
  body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -2;
    background: radial-gradient(circle at 15% 25%, var(--primary-accent), transparent 40%),
                radial-gradient(circle at 85% 75%, var(--secondary-accent), transparent 40%);
    opacity: 0.15;
    filter: blur(120px);
    animation: aurora-flow 25s linear infinite alternate;
  }
  
  @keyframes aurora-flow {
    to { transform: rotate(360deg) scale(1.2); }
  }
  
  /* Layout */
  .container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 0;
  }
  
  /* Typography */
  h1, h2, h3 {
    font-weight: 800;
    line-height: 1.2;
  }
  
  h1 {
    font-size: clamp(3rem, 6vw, 4.5rem);
    margin-bottom: 1rem;
  }
  
  h2 {
    font-size: clamp(2.2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: 1.5rem;
  }
  
  h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }
  
  p {
    color: var(--text-muted);
    font-size: 1.1rem;
  }
  
  .gradient-text {
    background: linear-gradient(90deg, #f0f0f8, #a0a0c0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  
  .sub-heading {
    max-width: 650px;
    margin: 0 auto 2.5rem auto;
    text-align: center;
  }
  
  /* Header */
  .main-header {
    position: fixed;
    top: 16px; left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 1100px;
    padding: 12px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: rgba(16, 16, 29, 0.85);
    backdrop-filter: blur(12px);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.45),
                0 0 0 1px rgba(255,255,255,0.06),
                0 18px 60px rgba(111,66,193,0.22);
  }
  
  .main-header::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -14px;
    width: 92%;
    height: 28px;
    background: radial-gradient(60% 140% at 50% 0%, rgba(255,255,255,0.18),
                rgba(111,66,193,0.18) 45%, rgba(0,172,238,0.15) 70%, transparent 80%);
    filter: blur(18px);
    pointer-events: none;
    z-index: -1;
    border-radius: 20px;
  }
  
  .logo {
    font-weight: 800;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--text-light);
  }
  
  .main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
  }
  
  .main-nav a:hover {
    color: var(--text-light);
  }
  
  /* Buttons */
  .btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
  }
  
  .btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2), 0 0 25px var(--glow-color);
  }
  
  .btn-apply {
    background: #ffffff;
    color: #000;
    box-shadow: 0 12px 30px rgba(111,66,193,0.35);
  }
  
  .btn-lg { padding: 14px 28px; }
  
  .btn-ghost {
    background: transparent;
    color: var(--text-light);
    border: 1px solid var(--border-color);
  }
  
  .btn-ghost:hover {
    background: rgba(255,255,255,0.06);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15), 0 0 25px rgba(255,255,255,0.08);
  }
  
  /* Hero */
  #hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 130px 20px 140px;
    overflow: hidden;
  }
  
  .hero-bg-grid {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    z-index: -1;
    background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-scroll 60s linear infinite;
  }
  
  @keyframes grid-scroll {
    from { background-position: 0 0; }
    to { background-position: -500px -500px; }
  }
  
  .hero-proof {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 0.5rem 1.5rem;
    display: inline-block;
    margin-bottom: 2rem;
    background: rgba(255,255,255,0.05);
  }
  
  .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 2.5rem;
  }
  
  /* Stats */
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
    gap: 2rem;
    text-align: center;
  }
  
  .stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-accent);
  }
  
  .stat-label {
    font-size: 1.1rem;
    color: var(--text-muted);
  }
  
  /* Features */
  .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px,1fr));
    gap: 1.5rem;
  }
  
  .feature-card {
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
  }
  
  .feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255,255,255,0.3);
    box-shadow: 0 0 25px var(--glow-color);
  }
  
  .feature-card p {
    font-size: 1rem;
  }
  
  .gradient-purple {
    background: linear-gradient(135deg, rgba(111,66,193,0.3), rgba(44,44,68,0.2));
  }
  .gradient-pink {
    background: linear-gradient(135deg, rgba(200,70,100,0.3), rgba(44,44,68,0.2));
  }
  .gradient-blue {
    background: linear-gradient(135deg, rgba(0,172,238,0.3), rgba(44,44,68,0.2));
  }
  
  /* Footer */
footer {
    background-color: var(--card-bg);
    padding: 60px 0 30px;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
  }
  
  .footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 50px;
    margin: 0 auto;
    padding: 0 5px;
  }
  
  .footer-brand {
    flex: 1;
    min-width: 250px;
  }
  
  .footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-light);
    text-decoration: none;
    margin-bottom: 15px;
    display: block;
  }
  
  .footer-column {
    flex: 1;
    min-width: 180px;
  }
  
  .footer-column h4 {
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 15px;
  }
  
  .footer-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  
  .footer-column ul li {
    margin-bottom: 10px;
  }
  
  .footer-column ul li a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .footer-column ul li a:hover {
    color: var(--primary-accent);
  }
  
  .social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
  }
  
  .social-links a img {
    width: 24px;
    height: 24px;
    filter: brightness(0.9);
    transition: filter 0.3s ease;
  }
  
  .social-links a img:hover {
    filter: brightness(1.2);
  }
  
  .footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    font-size: 0.85rem;
    color: var(--text-muted);
  }
  
  @media (max-width: 768px) {
    .footer-content {
      flex-direction: column;
      gap: 30px;
    }
    
    .footer-brand, .footer-column {
      width: 100%;
      text-align: center;
    }
    
    .social-links {
      justify-content: center;
    }
  }