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

    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
        background: #f7faff; /* very light blue */
        color: #0f172a; /* slate-900 */
        overflow-x: hidden;
    }

    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        padding: 1.5rem 5%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(10px);
        z-index: 1000;
        transition: all 0.3s ease;
        border-bottom: 1px solid #dbeafe; /* blue-100 */
    }

    .logo {
        font-size: 1.5rem;
        font-weight: bold;
        background: linear-gradient(135deg, #93c5fd 0%, #2563eb 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .nav-links {
        display: flex;
        gap: 2rem;
        list-style: none;
    }

    .nav-links a {
        color: #0f172a;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    .nav-links a:hover {
        color: #2563eb;
    }

    .hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 2rem 5%;
        position: relative;
        overflow: hidden;
    }

    .hero::before {
        content: '';
        position: absolute;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(96, 165, 250, 0.3) 0%, transparent 70%);
        top: -200px;
        right: -200px;
        animation: float 6s ease-in-out infinite;
    }

    .hero::after {
        content: '';
        position: absolute;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
        bottom: -150px;
        left: -150px;
        animation: float 8s ease-in-out infinite reverse;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0px);
        }

        50% {
            transform: translateY(-30px);
        }
    }

    .hero-content {
        max-width: 1200px;
        text-align: center;
        z-index: 1;
    }

    .hero h1 {
        font-size: clamp(2.5rem, 8vw, 5rem);
        margin-bottom: 1.5rem;
        line-height: 1.2;
        animation: fadeInUp 1s ease;
    }

    .gradient-text {
        background: linear-gradient(135deg, #93c5fd 0%, #2563eb 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero p {
        font-size: clamp(1rem, 2vw, 1.3rem);
        color: #475569; /* slate-600 */
        margin-bottom: 2.5rem;
        animation: fadeInUp 1s ease 0.2s backwards;
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }

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

    .cta-buttons {
        display: flex;
        gap: 1.5rem;
        justify-content: center;
        flex-wrap: wrap;
        animation: fadeInUp 1s ease 0.4s backwards;
    }

    .btn {
        padding: 1rem 2.5rem;
        border: none;
        border-radius: 50px;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
    }

    .btn-primary {
        background: linear-gradient(135deg, #93c5fd 0%, #2563eb 100%);
        color: #ffffff;
        box-shadow: 0 10px 30px rgba(59, 130, 246, 0.35);
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(59, 130, 246, 0.45);
    }

    .btn-secondary {
        background: transparent;
        color: #0f172a;
        border: 2px solid #2563eb;
    }

    .btn-secondary:hover {
        background: rgba(59, 130, 246, 0.12);
        transform: translateY(-3px);
    }

    .features {
        padding: 6rem 5%;
        background: linear-gradient(180deg, #f5f9ff 0%, #eef5ff 100%);
    }

    .section-title {
        text-align: center;
        font-size: clamp(2rem, 5vw, 3rem);
        margin-bottom: 4rem;
    }

    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
        max-width: 1200px;
        margin: 0 auto;
    }

    .feature-card {
        background: #ffffff;
        padding: 2.5rem;
        border-radius: 20px;
        backdrop-filter: blur(10px);
        border: 1px solid #dbeafe;
        transition: all 0.3s ease;
    }

    .feature-card:hover {
        transform: translateY(-10px);
        background: #f5f9ff;
        border-color: #93c5fd;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        background: linear-gradient(135deg, #93c5fd 0%, #2563eb 100%);
        border-radius: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .feature-card h3 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .feature-card p {
        color: #64748b; /* slate-500 */
        line-height: 1.6;
    }

    .cta-section {
        padding: 6rem 5%;
        text-align: center;
        background: #f0f7ff;
    }

    .cta-section h2 {
        font-size: clamp(2rem, 5vw, 3rem);
        margin-bottom: 1.5rem;
    }

    .cta-section p {
        color: #475569;
        font-size: 1.2rem;
        margin-bottom: 2.5rem;
    }

    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
    }

    .hamburger span {
        width: 25px;
        height: 3px;
        background: #2563eb;
        transition: all 0.3s ease;
    }

    @media (max-width: 768px) {
        .nav-links {
            position: fixed;
            top: 80px;
            right: -100%;
            flex-direction: column;
            background: rgba(255, 255, 255, 0.98);
            padding: 2rem;
            border-radius: 10px;
            transition: right 0.3s ease;
            border: 1px solid #dbeafe;
        }

        .nav-links.active {
            right: 5%;
        }

        .hamburger {
            display: flex;
        }

        .cta-buttons {
            flex-direction: column;
            align-items: center;
        }

        .btn {
            width: 100%;
            max-width: 300px;
        }
    }

    /* Dropdown Container */
    .dropdown {
        position: relative;
    }

    .dropdown-toggle {
        color: #0f172a;
        text-decoration: none;
        padding: 0.5rem 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        cursor: pointer;
        transition: color 0.3s ease;
        background: none;
        border: none;
        font-size: 1rem;
        font-family: inherit;
    }

    .dropdown-toggle:hover {
        color: #2563eb;
    }

    .dropdown-arrow {
        transition: transform 0.3s ease;
        font-size: 0.8rem;
    }

    .dropdown.active .dropdown-arrow {
        transform: rotate(180deg);
    }

    /* Dropdown Menu */
    .dropdown-menu {
        position: absolute;
        top: calc(100% + 1rem);
        left: 50%;
        transform: translateX(-50%);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border: 1px solid rgba(59, 130, 246, 0.35);
        border-radius: 12px;
        min-width: 220px;
        opacity: 0;
        visibility: hidden;
        transform: translateX(-50%) translateY(-10px);
        transition: all 0.3s ease;
        box-shadow: 0 10px 40px rgba(2, 6, 23, 0.08);
        z-index: 1000;
    }

    .dropdown.active .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
    }

    .dropdown-menu::before {
        content: '';
        position: absolute;
        top: -6px;
        left: 50%;
        transform: translateX(-50%);
        width: 12px;
        height: 12px;
        background: #ffffff;
        border-left: 1px solid rgba(59, 130, 246, 0.35);
        border-top: 1px solid rgba(59, 130, 246, 0.35);
        transform: translateX(-50%) rotate(45deg);
    }

    .dropdown-item {
        display: block;
        padding: 0.875rem 1.25rem;
        color: #0f172a;
        text-decoration: none;
        transition: all 0.2s ease;
        border-bottom: 1px solid #eaf1ff;
    }

    .dropdown-item:first-child {
        border-radius: 12px 12px 0 0;
    }

    .dropdown-item:last-child {
        border-bottom: none;
        border-radius: 0 0 12px 12px;
    }

    .dropdown-item:hover {
        background: rgba(59, 130, 246, 0.12);
        color: #1d4ed8;
        padding-left: 1.5rem;
    }

    .dropdown-item-icon {
        margin-right: 0.75rem;
        font-size: 1.1rem;
    }

    /* Mega Menu Variant */
    .dropdown-mega .dropdown-menu {
        min-width: 600px;
        padding: 2rem;
    }

    .mega-menu-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .mega-menu-section h4 {
        color: #2563eb;
        font-size: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 1px;
        margin-bottom: 1rem;
    }

    .mega-menu-section .dropdown-item {
        padding: 0.75rem 0;
        border: none;
    }

    .mega-menu-section .dropdown-item:hover {
        padding-left: 1rem;
    }

    /* Regular Link Style */
    .nav-link {
        color: #0f172a;
        text-decoration: none;
        padding: 0.5rem 1rem;
        transition: color 0.3s ease;
    }

    .nav-link:hover {
        color: #2563eb;
    }

    /* Code Display */
    .code-section {
        margin-top: 3rem;
        background: #ffffff;
        border-radius: 12px;
        padding: 2rem;
        border: 1px solid #dbeafe;
    }

    .code-section h2 {
        color: #2563eb;
        margin-bottom: 1rem;
    }

    pre {
        background: #f4f8ff;
        padding: 1.5rem;
        border-radius: 8px;
        overflow-x: auto;
        font-size: 0.875rem;
        line-height: 1.6;
    }

    code {
        color: #475569;
    }

    @media (max-width: 768px) {
        .dropdown-menu {
            left: 0;
            transform: translateX(0) translateY(-10px);
            min-width: 200px;
        }

        .dropdown.active .dropdown-menu {
            transform: translateX(0) translateY(0);
        }

        .dropdown-menu::before {
            left: 2rem;
        }

        .dropdown-mega .dropdown-menu {
            min-width: 90vw;
            padding: 1rem;
        }

        .mega-menu-grid {
            grid-template-columns: 1fr;
            gap: 1rem;
        }
    }