:root {
        --primary-color: #0074D9;
        --secondary-color: #8A2BE2;
        --accent-color: #1ABC9C;
        --cta-color: #FF6F61;
        --bg-color: #121212;
        --text-color: #ffffff;
        --font-primary: 'Poppins', sans-serif;
        --font-secondary: 'Roboto', sans-serif;
        --transition-speed: 0.3s;
    }

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

    body {
        background: linear-gradient(135deg, var(--bg-color), #1a1a1a);
        color: var(--text-color);
        font-family: var(--font-secondary);
        line-height: 1.6;
        padding: 20px;
    }

    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(18, 18, 18, 0.9);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    }

    header .logo {
        font-family: var(--font-primary);
        font-size: 1.5rem;
        color: var(--accent-color);
    }

    nav ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    nav ul li a {
        color: var(--text-color);
        text-decoration: none;
        font-family: var(--font-primary);
        transition: color var(--transition-speed);
    }

    nav ul li a:hover {
        color: var(--secondary-color);
    }

    .voice-assistant {
        width: 40px;
        height: 40px;
        background: var(--accent-color);
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        cursor: pointer;
        transition: background var(--transition-speed);
    }

    .voice-assistant:hover {
        background: var(--secondary-color);
    }

    main {
        margin-top: 80px;
        max-width: 1200px;
        margin-left: auto;
        margin-right: auto;
        padding: 20px;
    }

    .hero {
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        padding: 60px 20px;
        border-radius: 15px;
        text-align: center;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        position: relative;
        overflow: hidden;
    }

    .hero h1 {
        font-family: var(--font-primary);
        font-size: 2.5rem;
        margin-bottom: 20px;
        color: var(--text-color);
        animation: fadeInDown 1s ease-out;
    }

    .hero p {
        font-size: 1.2rem;
        color: var(--text-color);
        animation: fadeInUp 1s ease-out;
    }

    @keyframes fadeInDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .cta-button {
        margin-top: 30px;
        padding: 15px 30px;
        background: var(--cta-color);
        color: var(--text-color);
        border: none;
        border-radius: 25px;
        font-size: 1rem;
        cursor: pointer;
        transition: background var(--transition-speed), transform var(--transition-speed);
        font-family: var(--font-primary);
    }

    .cta-button:hover {
        background: var(--secondary-color);
        transform: scale(1.05);
    }

    .content-section {
        margin: 40px 0;
    }

    .content-section h2 {
        font-family: var(--font-primary);
        font-size: 2rem;
        margin-bottom: 20px;
        color: var(--accent-color);
        position: relative;
    }

    .content-section h2::after {
        content: '';
        width: 50px;
        height: 3px;
        background: var(--cta-color);
        position: absolute;
        bottom: -10px;
        left: 0;
    }

    .content-section p {
        margin-bottom: 20px;
        font-size: 1rem;
    }

    .content-section pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        font-family: 'Roboto Mono', monospace;
        margin-bottom: 20px;
    }

    .content-section code {
        color: var(--accent-color);
        font-family: 'Roboto Mono', monospace;
    }

    .projects {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .project-card {
        background: #1a1a1a;
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        transition: transform var(--transition-speed), background var(--transition-speed);
    }

    .project-card:hover {
        transform: translateY(-10px);
        background: var(--secondary-color);
    }

    .project-card h3 {
        font-family: var(--font-primary);
        color: var(--cta-color);
        margin-bottom: 10px;
    }

    .project-card p {
        font-size: 0.9rem;
        color: var(--text-color);
    }

    .project-card ul {
        list-style: none;
        padding-left: 0;
        margin-top: 10px;
    }

    .project-card ul li {
        background: var(--accent-color);
        display: inline-block;
        padding: 5px 10px;
        border-radius: 20px;
        margin-right: 5px;
        font-size: 0.8rem;
    }

    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .image-gallery img {
        width: calc(25% - 10px);
        border-radius: 10px;
        transition: transform var(--transition-speed);
    }

    .image-gallery img:hover {
        transform: scale(1.05);
    }

    .footer {
        background: rgba(18, 18, 18, 0.9);
        padding: 20px;
        text-align: center;
        font-size: 0.9rem;
        color: var(--text-color);
        margin-top: 40px;
        border-top: 1px solid #333;
    }

    .footer a {
        color: var(--cta-color);
        text-decoration: none;
        margin: 0 10px;
        transition: color var(--transition-speed);
    }

    .footer a:hover {
        color: var(--secondary-color);
    }

    /* Responsive Design */
    @media (max-width: 1440px) {
        .hero {
            padding: 50px 15px;
        }

        .hero h1 {
            font-size: 2rem;
        }
    }

    @media (max-width: 1200px) {
        .projects {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }

        .image-gallery img {
            width: calc(33.33% - 10px);
        }
    }

    @media (max-width: 1024px) {
        nav ul {
            gap: 15px;
        }

        .image-gallery img {
            width: calc(50% - 10px);
        }
    }

    @media (max-width: 768px) {
        header {
            padding: 10px 20px;
        }

        .hero {
            padding: 40px 10px;
        }

        .cta-button {
            width: 100%;
            padding: 15px 0;
        }

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

        .image-gallery img {
            width: 100%;
        }
    }

    @media (max-width: 480px) {
        .content-section h2 {
            font-size: 1.5rem;
        }

        .hero h1 {
            font-size: 1.8rem;
        }

        .hero p {
            font-size: 1rem;
        }
    }

    @media (max-width: 320px) {
        nav ul {
            display: none;
        }

        .voice-assistant {
            width: 35px;
            height: 35px;
        }
    }