:root {
      --background: #0a0a0f;
      --foreground: #fafafa;
      --primary: #7c3aed;
      --primary2: #6366f1;
      --secondary: #232336;
      --muted: #22223b;
      --accent: #232336;
      --destructive: #b91c1c;
      --border: #232336;
      --radius: 8px;
      --gradient1: linear-gradient(90deg, #6366f1, #a855f7);
      --gradient2: linear-gradient(135deg, #312e81 0%, #6d28d9 100%);
      --gradient3: linear-gradient(135deg, #312e81 0%, #581c87 100%);
      --gradient4: linear-gradient(135deg, #312e81 0%, #1e293b 100%);
    }
    html, body {
      margin: 0;
      padding: 0;
      background: var(--background);
      color: var(--foreground);
      font-family: 'Inter', Arial, sans-serif;
      min-height: 100vh;
      scroll-behavior: smooth;
    }
    a { color: inherit; text-decoration: none; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
    .gradient-text {
      background: var(--gradient1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-fill-color: transparent;
    }
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    }
    /* Navbar */
    .navbar {
      position: fixed; top: 0; left: 0; right: 0; z-index: 50;
      background: rgba(10,10,15,0.8); backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      transition: background 0.3s;
    }
    .navbar-inner {
      display: flex; align-items: center; justify-content: space-between;
      height: 64px;
    }
    .nav-links { display: flex; gap: 2rem; }
    .nav-links a { font-weight: 500; color: #e5e7eb; transition: color 0.2s; }
    .nav-links a:hover { color: #fff; }
    .navbar-logo { font-size: 2rem; font-weight: bold; }
    .nav-actions { display: flex; gap: 1rem; }
    .btn, .btn-outline, .btn-ghost {
      display: inline-flex; align-items: center; justify-content: center;
      font-size: 1rem; font-weight: 500;
      border-radius: var(--radius);
      cursor: pointer; transition: all 0.2s;
      padding: 0.75rem 2rem; border: none;
      background: var(--gradient1); color: #fff;
    }
    .btn-outline {
      background: transparent;
      border: 1px solid #374151;
      color: #e5e7eb;
    }
    .btn-outline:hover { background: #232336; }
    .btn-ghost {
      background: transparent; color: #e5e7eb; border: none;
      padding: 0.75rem 1.5rem;
    }
    .btn-ghost:hover { background: #232336; }
    .menu-icon { display: none; background: none; border: none; color: #fff; }
    /* Mobile menu */
    @media (max-width: 900px) {
      .nav-links, .nav-actions { display: none; }
      .menu-icon { display: inline-flex; }
      .mobile-menu {
        display: block;
        background: rgba(10,10,15,0.98);
        position: absolute; top: 64px; left: 0; right: 0;
        padding: 1.5rem;
        z-index: 100;
        border-bottom: 1px solid var(--border);
      }
      .mobile-menu a { display: block; margin-bottom: 1rem; color: #e5e7eb; }
      .mobile-menu .btn, .mobile-menu .btn-outline { width: 100%; margin-bottom: 0.5rem; }
    }
    /* Hero */
    .hero { padding-top: 120px; padding-bottom: 80px; text-align: center; position: relative; }
    .hero-title { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; }
    @media (min-width: 700px) { .hero-title { font-size: 4rem; } }
    .hero-desc { color: #a1a1aa; font-size: 1.2rem; max-width: 600px; margin: 0 auto 2rem; }
    /* Features */
    .features { padding: 80px 0; }
    .features-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
    @media (min-width: 900px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }
    .feature-card {
      background: rgba(30,41,59,0.5);
      border: 1px solid #232336;
      border-radius: var(--radius);
      padding: 2rem 1.5rem;
      text-align: center;
    }
    .feature-icon { margin-bottom: 1rem; }
    .feature-title { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }
    .feature-desc { color: #a1a1aa; }
    /* CTA */
    .cta { padding: 80px 0; text-align: center; position: relative; }
    .cta-title { font-size: 2rem; font-weight: 700; margin-bottom: 1rem; }
    .cta-desc { color: #a1a1aa; margin-bottom: 2rem; }
    /* Footer */
    .footer {
      background: #0a0a0f;
      border-top: 1px solid #232336;
      padding: 3rem 0;
      color: #a1a1aa;
      font-size: 1rem;
    }
    .footer-columns { display: grid; grid-template-columns: 1fr; gap: 2rem; }
    @media (min-width: 900px) { .footer-columns { grid-template-columns: 2fr 1fr 1fr 1fr 1fr; } }
    .footer-logo { font-size: 2rem; font-weight: bold; margin-bottom: 1rem; }
    .footer-links { list-style: none; padding: 0; margin: 0; }
    .footer-links li { margin-bottom: 0.5rem; }
    .footer-links a { color: #a1a1aa; transition: color 0.2s; }
    .footer-links a:hover { color: #fff; }
    .footer-social { display: flex; gap: 0.75rem; margin-top: 1.5rem; justify-content: center;}
    .footer-social a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: #232336;
      color: #fff;
      transition: background 0.2s;
    }
    .footer-social a:hover { background: #374151; }
    .footer-bottom {
      border-top: 1px solid #232336;
      margin-top: 2rem; padding-top: 1.5rem;
      display: flex; flex-direction: column; align-items: center; gap: 1rem;
      font-size: 0.95rem;  text-align: center;
    }
    @media (min-width: 700px) { .footer-bottom { flex-direction: row; justify-content: space-between; } }

    @media (max-width: 899px) {
    .footer-columns > div {
      text-align: center; /* center all text inside each footer column */
    }

    .footer-columns > div .footer-links {
      padding-left: 0;       /* remove default ul padding */
      display: inline-block; /* shrink width to content */
    }
    }

    /* Utilities */
    .mb-4 { margin-bottom: 1rem; }
    .mb-6 { margin-bottom: 1.5rem; }
    .mb-8 { margin-bottom: 2rem; }
    .mb-12 { margin-bottom: 3rem; }
    .mt-20 { margin-top: 5rem; }
    .py-20 { padding-top: 5rem; padding-bottom: 5rem; }
    .text-center { text-align: center; }
    .text-lg { font-size: 1.2rem; }
    .text-xl { font-size: 1.4rem; }
    .font-bold { font-weight: bold; }
    .font-medium { font-weight: 500; }
    .flex { display: flex; }
    .gap-4 { gap: 1rem; }
    .gap-6 { gap: 1.5rem; }
    .gap-8 { gap: 2rem; }
    .rounded-xl { border-radius: 1rem; }
    .rounded-lg { border-radius: 0.5rem; }
    .overflow-hidden { overflow: hidden; }
    /* Animations */
    .animate-float { animation: float 3s ease-in-out infinite; }
    @keyframes float {
      0% { transform: translateY(0); }
      50% { transform: translateY(-10px); }
      100% { transform: translateY(0); }
    }
    /* Responsive */
    @media (max-width: 700px) {
      .hero-title { font-size: 2rem; }
      .features, .testimonials, .cta { padding: 40px 0; }

      .hero .btn,
      .hero .btn-outline {
        width: 100%;
        max-width: 100%;
        margin-bottom: 1rem;
      }

      .hero .flex {
        flex-direction: column;
        align-items: stretch;
      }
    }

  
    .hero-img {
      position: relative;
      overflow: hidden;
      border-radius: 16px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
      margin: 0 auto;
      padding: 0 32px;           /* gap from left & right */
      max-width: 890px;         /* make image wider */
    }

    .gradient-border {
      padding: 1.5px;
      background: linear-gradient(135deg, #a855f7, #7c3aed);
      border-radius: 20px;
    }

    .hero-img img {
      width: 100%;
      aspect-ratio: 16 / 9; 
      object-fit: cover;
      border-radius: 14px;
      display: block;
      transition: transform 0.3s ease;
    }

    .hero-img:hover img {
      transform: scale(1.03);
    }

    @media (max-width: 768px) {
      .hero-img img {
        height: 250px;       /* smaller height on tablets/mobile */
      }
    }

    @media (max-width: 480px) {
      .hero-img img {
        height: 180px;       /* even smaller on small phones */
      }
    }