:root {
      --bg-primary: #0B0D10;
      --bg-secondary: #141821;
      --accent: #2D6BFF;
      --text-primary: #F2F5FA;
      --text-secondary: #A7B0C8;
      --border: rgba(242, 245, 250, 0.08);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', sans-serif;
      background-color: var(--bg-primary);
      color: var(--text-primary);
      overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 700;
    }

    /* Grain Overlay */
    .grain-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 9999;
      opacity: 0.04;
      mix-blend-mode: overlay;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    }

    /* Navigation */
    .navbar {
      background: transparent;
      transition: all 0.4s ease;
      padding: 1rem 0;
    }

    .navbar.scrolled {
      background: rgba(11, 13, 16, 0.85);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
    }

    .navbar-brand {
      font-family: 'Space Grotesk', sans-serif;
      font-weight: 600;
      font-size: 1.25rem;
      color: var(--text-primary) !important;
    }

    .navbar-brand:hover {
      color: var(--accent) !important;
    }

    .nav-link {
      color: rgba(242, 245, 250, 0.7) !important;
      font-size: 0.9rem;
      font-weight: 500;
      margin-left: 1.5rem;
      transition: color 0.3s ease;
    }

    .nav-link:hover {
      color: var(--text-primary) !important;
    }

    .navbar-toggler {
      border: none;
      color: var(--text-primary);
    }

    .navbar-toggler:focus {
      box-shadow: none;
    }

    /* Hero Section */
    .hero {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      overflow: hidden;
    }

    .hero-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: url('assets/hero-bg.jpg');
      background-size: cover;
      background-position: center;
      transform: scale(1.05);
    }

    .hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(180deg, rgba(11, 13, 16, 0.35), rgba(11, 13, 16, 0.75));
    }

    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      padding: 2rem;
    }

    .hero-title {
      font-size: clamp(2.5rem, 6vw, 5rem);
      font-weight: 700;
      line-height: 0.95;
      letter-spacing: -0.02em;
      margin-bottom: 1.5rem;
    }

    .hero-title .accent {
      color: var(--accent);
    }

    .hero-subtitle {
      font-size: clamp(1rem, 2vw, 1.25rem);
      color: var(--text-secondary);
      margin-bottom: 2.5rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .btn-primary-custom {
      background: var(--text-primary);
      color: var(--bg-primary);
      border: none;
      padding: 0.875rem 2rem;
      font-weight: 600;
      border-radius: 0.875rem;
      transition: all 0.3s ease;
    }

    .btn-primary-custom:hover {
      transform: scale(1.05);
      background: rgba(242, 245, 250, 0.9);
    }

    .btn-outline-custom {
      background: rgba(242, 245, 250, 0.1);
      color: var(--text-primary);
      border: 1px solid rgba(242, 245, 250, 0.2);
      padding: 0.875rem 2rem;
      font-weight: 600;
      border-radius: 0.875rem;
      transition: all 0.3s ease;
    }

    .btn-outline-custom:hover {
      background: rgba(242, 245, 250, 0.2);
      color: var(--text-primary);
    }

    /* Glass Cards */
    .glass-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(20px);
      border: 1px solid var(--border);
      border-radius: 1.75rem;
      overflow: hidden;
    }

    .glass-card-strong {
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(30px);
      border: 1px solid rgba(242, 245, 250, 0.12);
      border-radius: 1.75rem;
      overflow: hidden;
    }

    /* Section Styles */
    section {
      padding: 5rem 0;
    }

    .section-title {
      font-size: clamp(2rem, 4vw, 3.5rem);
      font-weight: 700;
      margin-bottom: 1rem;
    }

    .section-subtitle {
      color: var(--text-secondary);
      font-size: 1.1rem;
    }

    /* Featured Product */
    .featured-product {
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: var(--bg-primary);
      position: relative;
    }

    .vignette {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      color: var(--accent);
      font-size: 0.8rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      margin-bottom: 1rem;
    }

    .btn-accent {
      background: var(--accent);
      color: white;
      border: none;
      padding: 0.75rem 1.5rem;
      font-weight: 600;
      border-radius: 0.75rem;
      transition: all 0.3s ease;
    }

    .btn-accent:hover {
      background: rgba(45, 107, 255, 0.9);
      transform: scale(1.05);
      color: white;
    }

    .btn-link-custom {
      color: rgba(242, 245, 250, 0.7);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.3s ease;
    }

    .btn-link-custom:hover {
      color: var(--text-primary);
    }

    /* Quick Tools */
    .quick-tools {
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      background: var(--bg-primary);
    }

    .tool-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(20px);
      border: 1px solid var(--border);
      border-radius: 1.75rem;
      padding: 2rem;
      height: 100%;
      transition: all 0.3s ease;
    }

    .tool-card:hover {
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-8px);
    }

    .tool-icon {
      width: 3rem;
      height: 3rem;
      background: rgba(45, 107, 255, 0.1);
      border-radius: 0.75rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
    }

    .tool-icon i {
      color: var(--accent);
      font-size: 1.25rem;
    }

    .tool-title {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .tool-desc {
      color: var(--text-secondary);
      margin-bottom: 1.5rem;
    }

    .download-link {
      color: var(--accent);
      text-decoration: none;
      font-weight: 500;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: color 0.3s ease;
    }

    .download-link:hover {
      color: var(--text-primary);
    }

    /* Philosophy */
    .philosophy {
      background: var(--bg-secondary);
    }

    .philosophy-img {
      width: 100%;
      height: 100%;
      min-height: 400px;
      object-fit: cover;
      border-radius: 1.75rem;
    }

    .feature-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    .feature-icon {
      width: 2.5rem;
      height: 2.5rem;
      background: rgba(45, 107, 255, 0.1);
      border-radius: 0.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .feature-icon i {
      color: var(--accent);
      font-size: 1rem;
    }

    /* Product Cards */
    .product-suite {
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: var(--bg-primary);
      position: relative;
    }

    .product-card {
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(30px);
      border: 1px solid rgba(242, 245, 250, 0.12);
      border-radius: 1.75rem;
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

    .product-card-content {
      padding: 2rem;
      flex: 1;
    }

    .product-card-img {
      height: 200px;
      position: relative;
    }

    .product-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .product-card-img::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 50%;
      background: linear-gradient(to top, var(--bg-secondary), transparent);
    }

    /* All Apps */
    .all-apps {
      background: var(--bg-secondary);
    }

    .search-box {
      position: relative;
      max-width: 600px;
    }

    .search-box i {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: rgba(242, 245, 250, 0.4);
    }

    .search-box input {
      width: 100%;
      padding: 1rem 1rem 1rem 3rem;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border);
      border-radius: 0.875rem;
      color: var(--text-primary);
      font-size: 1rem;
    }

    .search-box input::placeholder {
      color: rgba(242, 245, 250, 0.4);
    }

    .search-box input:focus {
      outline: none;
      border-color: rgba(45, 107, 255, 0.5);
    }

    .category-tag {
      padding: 0.5rem 1rem;
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border);
      border-radius: 999px;
      color: rgba(242, 245, 250, 0.7);
      font-size: 0.875rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.3s ease;
    }

    .category-tag:hover,
    .category-tag.active {
      background: var(--accent);
      color: white;
      border-color: var(--accent);
    }

    .app-row {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(20px);
      border: 1px solid var(--border);
      border-radius: 1rem;
      padding: 1rem 1.5rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 0.75rem;
      transition: all 0.3s ease;
    }

    .app-row:hover {
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-2px);
    }

    .app-icon {
      width: 3rem;
      height: 3rem;
      background: rgba(45, 107, 255, 0.1);
      border-radius: 0.75rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .app-icon i {
      color: var(--accent);
      font-size: 1.25rem;
    }

    .app-info {
      flex: 1;
      min-width: 0;
    }

    .app-name {
      font-weight: 600;
      margin-bottom: 0.25rem;
    }

    .app-desc {
      color: var(--text-secondary);
      font-size: 0.875rem;
    }

    .app-category {
      padding: 0.25rem 0.75rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 999px;
      font-size: 0.75rem;
      color: rgba(242, 245, 250, 0.5);
    }

    .app-action {
      padding: 0.5rem 1rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 0.5rem;
      color: rgba(242, 245, 250, 0.7);
      text-decoration: none;
      font-size: 0.875rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.3s ease;
      flex-shrink: 0;
    }

    .app-action:hover {
      background: var(--accent);
      color: white;
    }

    /* Newsletter */
    .newsletter {
      background: var(--bg-primary);
    }

    .newsletter-img {
      width: 100%;
      height: 100%;
      min-height: 400px;
      object-fit: cover;
      border-radius: 1.75rem;
    }

    .contact-card {
      background: rgba(255, 255, 255, 0.03);
      backdrop-filter: blur(20px);
      border: 1px solid var(--border);
      border-radius: 1rem;
      padding: 1.25rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .contact-card:hover {
      background: rgba(255, 255, 255, 0.06);
    }

    .contact-icon {
      width: 2.5rem;
      height: 2.5rem;
      background: rgba(45, 107, 255, 0.1);
      border-radius: 0.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .contact-icon i {
      color: var(--accent);
      font-size: 1rem;
    }

    .contact-icon.whatsapp {
      background: rgba(37, 211, 102, 0.1);
    }

    .contact-icon.whatsapp i {
      color: #25D366;
    }

    .contact-card:hover .contact-icon.whatsapp i {
      color: #25D366;
    }

    .contact-label {
      color: var(--text-secondary);
      font-size: 0.875rem;
    }

    .contact-value {
      color: var(--text-primary);
      font-weight: 600;
    }

    /* Footer */
    .footer {
      background: var(--bg-primary);
      border-top: 1px solid var(--border);
      padding: 4rem 0 2rem;
    }

    .footer-brand {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .footer-tagline {
      color: var(--text-secondary);
      margin-bottom: 2rem;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 2rem;
      margin-bottom: 2rem;
    }

    .footer-links a {
      color: rgba(242, 245, 250, 0.6);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .footer-links a:hover {
      color: var(--text-primary);
    }

    .social-links {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .social-link {
      width: 2.5rem;
      height: 2.5rem;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(242, 245, 250, 0.6);
      text-decoration: none;
      transition: all 0.3s ease;
    }

    .social-link:hover {
      background: rgba(45, 107, 255, 0.1);
      color: var(--accent);
    }

    .copyright {
      color: rgba(242, 245, 250, 0.4);
      font-size: 0.875rem;
    }

    /* WhatsApp Button */
    .whatsapp-btn {
      position: fixed;
      bottom: 1.5rem;
      right: 1.5rem;
      width: 3.5rem;
      height: 3.5rem;
      background: linear-gradient(135deg, #25D366, #128C7E);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.5rem;
      box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
      z-index: 1000;
      transition: all 0.3s ease;
      text-decoration: none;
    }

    .whatsapp-btn:hover {
      transform: scale(1.1) rotate(5deg);
      color: white;
    }

    /* Toast */
    .toast-container {
      position: fixed;
      bottom: 1.5rem;
      left: 1.5rem;
      z-index: 1050;
    }

    .toast {
      background: var(--bg-secondary);
      border: 1px solid var(--border);
      color: var(--text-primary);
    }

    /* Responsive */
    @media (max-width: 991.98px) {
      .hero-title {
        font-size: 2.5rem;
      }

      section {
        padding: 3rem 0;
      }

      .product-card {
        margin-bottom: 1.5rem;
      }
    }

    @media (max-width: 767.98px) {
      .hero-title {
        font-size: 2rem;
      }

      .app-category {
        display: none;
      }

      .footer-links {
        gap: 1rem;
      }
    }