:root {
            --primary-color: #ff3a5e;
            --primary-dark: #e01a3b;
            --primary-light: #ff7a8f;
            --secondary-color: #5e17eb;
            --secondary-light: #8e5bf7;
            --light-color: #ffffff;
            --dark-color: #262626;
            --gray-color: #f5f5f5;
        }

        body {
            font-family: 'Roboto', sans-serif;
            color: var(--dark-color);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        .neon-text {
            text-shadow: 0 0 5px var(--primary-light), 0 0 10px var(--primary-light), 0 0 15px var(--primary-light);
            color: var(--primary-color);
        }

        .neon-purple {
            text-shadow: 0 0 5px var(--secondary-light), 0 0 10px var(--secondary-light);
            color: var(--secondary-color);
        }

        .gradient-bg {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
            border: none;
            color: white;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 58, 94, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 58, 94, 0.4);
        }

        .section {
            padding: 80px 20px;
        }

        .card {
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            background-color: white;
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        input,
        textarea,
        select {
            width: 100%;
            padding: 12px 15px;
            margin: 8px 0;
            border: 1px solid #ddd;
            border-radius: 8px;
            background-color: white;
            transition: all 0.3s ease;
        }

        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 58, 94, 0.2);
            outline: none;
        }

        .icon-box {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .icon-box i {
            font-size: 24px;
            color: var(--primary-color);
            margin-right: 15px;
            padding: 15px;
            background-color: rgba(255, 58, 94, 0.1);
            border-radius: 50%;
        }

        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            padding: 10px 0;
            background-color: rgba(255, 255, 255, 0.98);
        }

        .nav-link {
            margin: 0 15px;
            color: var(--dark-color);
            font-weight: 500;
            position: relative;
            transition: all 0.3s ease;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0%;
            height: 2px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .divider {
            height: 5px;
            width: 70px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            margin: 15px 0 30px;
            border-radius: 5px;
        }

        .hero {
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(255, 58, 94, 0.9) 0%, rgba(94, 23, 235, 0.9) 100%),
                url('https://besenledlight.com/wp-content/uploads/2024/11/circadian-rhythms.webp') center/cover no-repeat;
        }

        .wave {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="1" d="M0,224L60,213.3C120,203,240,181,360,192C480,203,600,245,720,240C840,235,960,181,1080,154.7C1200,128,1320,128,1380,128L1440,128L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z"></path></svg>') no-repeat;
            background-size: cover;
        }

        @media (max-width: 768px) {
            .section {
                padding: 50px 15px;
            }

            .navbar-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: 100vh;
                background-color: white;
                box-shadow: 5px 0 15px rgba(0, 0, 0, 0.1);
                padding: 20px;
                transition: all 0.3s ease;
                display: flex;
                flex-direction: column;
            }

            .navbar-menu.active {
                left: 0;
            }

            .nav-link {
                margin: 10px 0;
                font-size: 18px;
            }
        }

        .img-fluid {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--primary-light);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
            border-radius: 10px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 25px;
            height: 25px;
            right: -13px;
            background-color: white;
            border: 4px solid var(--primary-color);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -12px;
        }

        @media screen and (max-width: 768px) {
            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item::after {
                left: 18px;
            }

            .left::after,
            .right::after {
                left: 18px;
            }

            .right {
                left: 0%;
            }
        }