:root {
            --color-midnight: #05050A;
            --color-surface: #0D0F18;
            --color-surface-hover: #151827;
            --color-border: #292D42;
            --color-blue: #3A48DD;
            --color-electric-blue: #3DA4F8;
            --color-violet: #A86EF2;
            --color-purple: #6E40CB;
            --color-white: #FFFFFF;
            --color-text-body: #C5CADB;
            --color-muted: #8D93AA;
            --color-success: #10B981;
            --color-error: #EF4444;
            --color-header-bg: rgba(13, 15, 24, 0.85);
            --color-shadow-dropdown: rgba(0, 0, 0, 0.6);
            --font-display: 'Space Grotesk', 'Vazirmatn', sans-serif;
            --font-body: 'Inter', 'Vazirmatn', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-height: 96px;
            --header-height-compact: 68px;
            --header-bg: rgba(10, 10, 10, 0.75);
            --header-bg-compact: rgba(10, 10, 10, 0.92);
            --header-border: rgba(255, 255, 255, 0.08);
            --header-blur: 14px;
            --transition-fast: 0.28s ease;
        }

        [data-theme="light"] {
            --color-midnight: #F8FAFC;
            --color-surface: #FFFFFF;
            --color-surface-hover: #F1F5F9;
            --color-border: #E2E8F0;
            --color-blue: #2563EB;
            --color-electric-blue: #0284C7;
            --color-violet: #7C3AED;
            --color-purple: #5B21B6;
            --color-white: #0F172A;
            --color-text-body: #334155;
            --color-muted: #64748B;
            --color-header-bg: rgba(255, 255, 255, 0.85);
            --color-shadow-dropdown: rgba(0, 0, 0, 0.1);
        }

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

        body {
            background-color: var(--color-midnight);
            color: var(--color-text-body);
            font-family: var(--font-body);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            transition: background-color 0.3s ease, color 0.3s ease;
            margin: 0;
        }
            /* Prevent content from going under fixed header */
.page-content {
  padding-top: var(--header-height);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;

  background: var(--header-bg);
  backdrop-filter: blur(var(--header-blur));
  -webkit-backdrop-filter: blur(var(--header-blur));
  border-bottom: 1px solid var(--header-border);

  transform: translateY(0);
  transition:
    height var(--transition-fast),
    transform var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.header-inner {
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  transition: padding var(--transition-fast);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  transition: transform var(--transition-fast), font-size var(--transition-fast);
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: white;
  text-decoration: none;
  opacity: 0.92;
  transition: opacity var(--transition-fast);
}

.nav a:hover {
  opacity: 1;
}

/* Initial / top state */
.site-header.header--top {
  height: var(--header-height);
  background: rgba(10, 10, 10, 0.55);
  box-shadow: none;
}

/* Compact state */
.site-header.header--compact {
  height: var(--header-height-compact);
  background: var(--header-bg-compact);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.site-header.header--compact .logo {
  transform: scale(0.92);
}

/* Hidden when scrolling down */
.site-header.header--hidden {
  transform: translateY(-100%);
}
        /* Canvas Particle Background */
        #canvas-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: 0;
            pointer-events: none;
        }

        .site-wrapper {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        /* Top Bar & Header */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-header-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }

        .header-container {
            max-width: 1380px;
            margin: 0 auto;
            padding: 0.75rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            line-height: 1;
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-white);
        }

/* Container holding the logo image or SVG */
.brand-logo .logo-icon {
    /* Define a clear size constraint (adjust 40px - 48px to match your navbar height) */
    width: 44px;
    height: 44px;
    
    /* Layout & Alignment */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    
    /* Aesthetics & Cleanup */
    border-radius: 10px;
    background: transparent !important;
    box-shadow: none;
    overflow: hidden;
}

/* Ensure the image inside scales cleanly without distortion */
.brand-logo .logo-icon img,
.brand-logo .logo-icon svg {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Keeps aspect ratio intact without stretching */
    display: block;
}

    

        /* Navigation & Mega Menu */
        nav.main-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            padding: 0.6rem 0.9rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-body);
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .nav-link:hover {
            color: var(--color-white);
            background: var(--color-surface-hover);
        }

        /* Mega Dropdown */
        .mega-menu {
            position: absolute;
            top: 100%;
            right: 0;
            width: 720px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            padding: 1.5rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            display: none;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            z-index: 1000;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 40px var(--color-shadow-dropdown);
        }

        .nav-item:hover .mega-menu {
            display: grid;
            animation: fadeInDown 0.25s ease-out;
        }

        .mega-column h4 {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--color-electric-blue);
            margin-bottom: 0.8rem;
            padding-bottom: 0.4rem;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .mega-column ul {
            list-style: none;
        }

        .mega-column ul li {
            margin-bottom: 0.4rem;
        }

        .mega-column ul li a {
            font-size: 0.84rem;
            color: var(--color-text-body);
            display: block;
            padding: 0.3rem 0.5rem;
            border-radius: 6px;
        }

        .mega-column ul li a:hover {
            background: var(--color-surface-hover);
            color: var(--color-white);
            transform: translateX(-3px);
        }
        /* --- Mega Menu Refinements --- */
.mega-grid-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.mega-column h6 {
  color: var(--electric);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(61, 164, 248, 0.2);
}

.mega-menu .dropdown-item {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  white-space: normal;
  background: transparent;
  transition: all 0.2s ease-in-out;
  text-decoration: none;
}

.mega-menu .dropdown-item:hover {
  background: rgba(58, 72, 221, 0.15);
  transform: translateX(4px);
}

.menu-item-title {
  color: #f1f5f9;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.menu-item-desc {
  color: #94a3b8;
  font-size: 0.75rem;
  line-height: 1.35;
  margin-top: 2px;
}

.badge-tag {
  font-size: 0.65rem;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(61, 164, 248, 0.15);
  color: var(--electric);
  border: 1px solid rgba(61, 164, 248, 0.3);
}

/* Mobile Responsiveness for Mega Menu */
@media (max-width: 991px) {
  .mega-grid-2col {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .mega-menu {
    width: 100% !important;
    max-height: 70vh;
    overflow-y: auto;
  }
}


        /* Header Actions */
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 20px;
            padding: 0.45rem 2rem 0.45rem 1rem;
            font-size: 0.85rem;
            color: var(--color-white);
            outline: none;
            width: 150px;
            transition: var(--transition);
        }

        .search-box input:focus {
            width: 200px;
            border-color: var(--color-blue);
            box-shadow: 0 0 10px rgba(58, 72, 221, 0.3);
        }

        .search-box i {
            position: absolute;
            right: 0.75rem;
            font-size: 0.8rem;
            color: var(--color-muted);
        }

        .lang-select,
        .theme-btn {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 0.45rem 0.6rem;
            color: var(--color-white);
            font-size: 0.85rem;
            cursor: pointer;
            outline: none;
        }

        .theme-btn {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Hero Section */
        .hero {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 4rem 1.5rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .profile-container {
            position: relative;
            margin-bottom: 2rem;
        }

        .profile-glow {
            position: absolute;
            inset: -8px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-violet), var(--color-electric-blue));
            filter: blur(14px);
            opacity: 0.7;
            animation: pulseGlow 4s infinite alternate;
        }

        .profile-avatar {
            position: relative;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            border: 3px solid var(--color-violet);
            object-fit: cover;
            background: var(--color-surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--color-electric-blue);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 1rem;
            background: rgba(58, 72, 221, 0.15);
            border: 1px solid rgba(58, 72, 221, 0.3);
            border-radius: 50px;
            color: var(--color-electric-blue);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

        .hero h1 {
            font-family: var(--font-display);
            font-size: clamp(2rem, 5vw, 3.25rem);
            font-weight: 800;
            color: var(--color-white);
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
        }

        .hero h1 .gradient-text {
            background: linear-gradient(135deg, #FFF 20%, var(--color-electric-blue) 60%, var(--color-violet) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .hero p.lead {
            font-size: 1.15rem;
            color: var(--color-muted);
            max-width: 650px;
            margin-bottom: 2.5rem;
        }
        .hero-section,
        .hero-section * {
            text-align: center;
             font-family: 'Ubuntu', 'Ubuntu Sans', -apple-system,
            'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
          }

        /* Countdown Timer */
        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            margin-bottom: 3rem;
            width: 100%;
            max-width: 480px;
        }

        .timer-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 1rem 0.5rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }

        .timer-num {
            font-family: var(--font-mono);
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-white);
        }

        .timer-label {
            font-size: 0.75rem;
            color: var(--color-muted);
            margin-top: 0.25rem;
            text-transform: uppercase;
        }

        /* Waitlist Form */
        .waitlist-card {
            width: 100%;
            max-width: 520px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            padding: 2rem;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        }

        .waitlist-card h3 {
            font-size: 1.2rem;
            color: var(--color-white);
            margin-bottom: 0.5rem;
        }

        .waitlist-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.2rem;
        }

        .input-group {
            position: relative;
            display: flex;
            align-items: center;
        }

        .input-group i {
            position: absolute;
            right: 1rem;
            color: var(--color-muted);
        }

        .input-group input {
            width: 100%;
            background: var(--color-surface-hover);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 0.85rem 2.5rem 0.85rem 1rem;
            color: var(--color-white);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .input-group input:focus {
            border-color: var(--color-blue);
            box-shadow: 0 0 0 3px rgba(58, 72, 221, 0.2);
        }

        .submit-btn {
            background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
            color: #FFFFFF;
            border: none;
            border-radius: 10px;
            padding: 0.9rem 1.5rem;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            box-shadow: 0 4px 15px rgba(58, 72, 221, 0.4);
        }

        .submit-btn:hover {
            opacity: 0.95;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(110, 64, 203, 0.5);
        }

        .alert {
            padding: 0.85rem 1rem;
            border-radius: 8px;
            margin-top: 1rem;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .alert-success {
            background: rgba(16, 185, 129, 0.15);
            border: 1px solid var(--color-success);
            color: #34D399;
        }

        .alert-error {
            background: rgba(239, 68, 68, 0.15);
            border: 1px solid var(--color-error);
            color: #F87171;
        }

        /* Footer */
        footer {
            border-top: 1px solid var(--color-border);
            background: var(--color-surface);
            padding: 3rem 1.5rem 2rem;
        }

        .footer-grid {
            max-width: 1380px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }

        .footer-brand p {
            color: var(--color-muted);
            margin: 0.8rem 0;
            font-size: 0.9rem;
            max-width: 320px;
        }

        .social-links {
            display: flex;
            gap: 0.75rem;
        }

        .social-links a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-surface-hover);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-body);
        }

        .social-links a:hover {
            color: var(--color-white);
            border-color: var(--color-electric-blue);
            transform: translateY(-2px);
        }

        .footer-column h4 {
            color: var(--color-white);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 0.6rem;
        }

        .footer-column ul li a {
            color: var(--color-muted);
            font-size: 0.88rem;
        }

        .footer-column ul li a:hover {
            color: var(--color-electric-blue);
        }

        .footer-bottom {
            max-width: 1380px;
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid var(--color-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--color-muted);
            flex-wrap: wrap;
            gap: 1rem;
        }

        .affiliate-banner {
            margin-top: 1rem;
            display: flex;
            justify-content: center;
            /* prevent the flex item from being squeezed below the banner's natural width */
            overflow-x: auto;
        }

        .affiliate-banner img {
            width: 728px;
            /* fixed intrinsic width, no scaling */
            height: 90px;
            /* fixed height, no auto — keeps the exact 728x90 ratio */
            max-width: none;
            /* stop the container from squashing/upscaling it */
            flex: 0 0 auto;
            /* don't let flexbox shrink it */
            border-radius: 6px;
            image-rendering: -webkit-optimize-contrast;
            /* Safari/Chrome: avoid smoothing on scale */
            image-rendering: crisp-edges;
            /* Firefox */
            image-rendering: pixelated;
            /* fallback for nearest-neighbor scaling */
        }

        /* Animations */
        @keyframes pulseGlow {
            0% {
                transform: scale(0.98);
                opacity: 0.5;
            }

            100% {
                transform: scale(1.05);
                opacity: 0.85;
            }
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 992px) {
            nav.main-nav {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }

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