.demo-section {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #000;
            overflow-x: hidden;
        }

        /* Contact Section */
        .contact-section {
            min-height: 70vh;
            background: #000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 60px 20px;
            position: relative;
            overflow: hidden;
        }

        /* Subtle background pattern */
        .contact-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
            pointer-events: none;
        }

        .contact-container {
            max-width: 900px;
            width: 100%;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .contact-tag {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            color: #999;
            font-size: 15px;
            font-style: italic;
            margin-bottom: 30px;
            opacity: 0;
            animation: fadeInUp 0.8s ease forwards;
        }

        .contact-tag::before,
        .contact-tag::after {
            content: '';
            width: 60px;
            height: 1px;
            background: linear-gradient(to right, transparent, #444, transparent);
        }

        .contact-heading {
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.2s forwards;
        }

        .contact-heading h1 {
            font-size: clamp(36px, 7vw, 72px);
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 15px;
            line-height: 1.1;
            letter-spacing: -1px;
        }

        .contact-heading h2 {
            font-size: clamp(32px, 6vw, 64px);
            font-weight: 300;
            color: #ffffff;
            font-style: italic;
            margin-bottom: 10px;
            background: linear-gradient(135deg, #ffffff 0%, #999 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-subheading {
            font-size: clamp(16px, 2.5vw, 22px);
            color: #bbb;
            margin: 35px 0 50px;
            font-weight: 400;
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.4s forwards;
        }

        .contact-button {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 45px;
            font-size: 18px;
            font-weight: 600;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.05);
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 12px;
            text-decoration: none;
            position: relative;
            overflow: hidden;
            transition: all 0.4s ease;
            opacity: 0;
            animation: fadeInUp 0.8s ease 0.6s forwards;
            cursor: pointer;
        }

        .contact-button::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #ffffff, #999);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .contact-button:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.4);
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.15);
        }

        .contact-button:hover::before {
            transform: scaleX(1);
        }

        .contact-button svg {
            width: 20px;
            height: 20px;
            transition: transform 0.3s ease;
        }

        .contact-button:hover svg {
            transform: translateX(5px) rotate(-45deg);
        }

        /* Floating particles effect */
        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            pointer-events: none;
            animation: float 15s infinite ease-in-out;
        }

        .particle:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .particle:nth-child(2) {
            top: 60%;
            left: 85%;
            animation-delay: 3s;
        }

        .particle:nth-child(3) {
            top: 40%;
            left: 15%;
            animation-delay: 6s;
        }

        .particle:nth-child(4) {
            top: 80%;
            left: 75%;
            animation-delay: 9s;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translate(0, 0);
                opacity: 0.2;
            }
            25% {
                transform: translate(30px, -30px);
                opacity: 0.4;
            }
            50% {
                transform: translate(-20px, -60px);
                opacity: 0.2;
            }
            75% {
                transform: translate(40px, -30px);
                opacity: 0.3;
            }
        }

        @media (max-width: 768px) {
            .contact-section {
                padding: 40px 20px;
            }

            .contact-tag {
                font-size: 13px;
                margin-bottom: 25px;
            }

            .contact-tag::before,
            .contact-tag::after {
                width: 40px;
            }

            .contact-subheading {
                margin: 25px 0 40px;
            }

            .contact-button {
                padding: 16px 35px;
                font-size: 16px;
            }
        }