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

        :root {
            --black: #1A1A1A;
            --teal: #26C6C6;
            --gray: #5A5A5A;
            --light-gray: #F3F4F6;
            --white: #FFFFFF;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: var(--black);
            background: var(--white);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Header */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: var(--white);
            border-bottom: 1px solid var(--light-gray);
            padding: 20px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            transition: box-shadow 0.3s ease;
        }

        .header.scrolled {
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .logo {
            font-size: 32px;
            font-weight: 700;
            color: var(--black);
            letter-spacing: -0.5px;
        }

        .logo-dot {
            color: var(--teal);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .nav-link {
            color: var(--black);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: color 0.3s ease;
        }

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

        .cta-button {
            background: var(--teal);
            color: var(--white);
            padding: 12px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: inline-block;
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(38, 198, 198, 0.3);
        }

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

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--black);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        /* Hero Section */
        .hero {
            margin-top: 100px;
            padding: 80px 5% 100px;
            background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 72px;
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 30px;
            letter-spacing: -2px;
        }

        .hero-subtitle {
            font-size: 48px;
            color: var(--teal);
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: -1px;
        }

        .hero-description {
            font-size: 20px;
            color: var(--gray);
            margin-bottom: 40px;
            line-height: 1.7;
            max-width: 700px;
        }

        .hero-button {
            background: var(--teal);
            color: var(--white);
            padding: 18px 40px;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            display: inline-block;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .hero-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(38, 198, 198, 0.4);
        }

        /* Section Styles */
        section {
            padding: 80px 5%;
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 60px;
            letter-spacing: -1px;
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .service-card {
            background: var(--light-gray);
            padding: 40px 30px;
            border-radius: 16px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .service-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--black);
        }

        .service-description {
            font-size: 16px;
            color: var(--gray);
            line-height: 1.6;
        }

        /* Benefits Section */
        .benefits {
            background: var(--light-gray);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .benefit-icon {
            font-size: 32px;
            min-width: 40px;
        }

        .benefit-text {
            font-size: 18px;
            font-weight: 600;
            color: var(--black);
        }

        /* Cases Section */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .case-card {
            background: var(--teal);
            color: var(--white);
            padding: 40px 30px;
            border-radius: 16px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 30px rgba(38, 198, 198, 0.4);
        }

        .case-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .case-result {
            font-size: 16px;
            opacity: 0.95;
            line-height: 1.6;
        }

        /* Contact Section */
        .contact {
            background: var(--white);
        }

        .contact-form {
            max-width: 600px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 25px;
        }

        .form-label {
            display: block;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--black);
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            font-size: 16px;
            font-family: 'Inter', sans-serif;
            transition: border-color 0.3s ease;
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--teal);
        }

        .form-textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-button {
            background: var(--teal);
            color: var(--white);
            padding: 16px 40px;
            border: none;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            width: 100%;
        }

        .form-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(38, 198, 198, 0.4);
        }

        /* Footer */
        .footer {
            background: var(--black);
            color: var(--white);
            padding: 50px 5%;
            text-align: center;
        }

        .footer-logo {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 20px;
        }

        .footer-link {
            color: var(--white);
            text-decoration: none;
            font-size: 16px;
            transition: color 0.3s ease;
        }

        .footer-link:hover {
            color: var(--teal);
        }

        .footer-copyright {
            color: var(--gray);
            font-size: 14px;
        }

        /* Success Message */
        .success-message {
            background: var(--teal);
            color: var(--white);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            margin-top: 20px;
            display: none;
            animation: slideDown 0.5s ease;
        }

        .success-message.show {
            display: block;
        }

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

        /* Mobile Responsive */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 80px;
                flex-direction: column;
                background: var(--white);
                width: 100%;
                text-align: center;
                transition: left 0.3s ease;
                box-shadow: 0 10px 27px rgba(0,0,0,0.05);
                padding: 30px 0;
                gap: 20px;
            }

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

            .hamburger {
                display: flex;
            }

            .hero-title {
                font-size: 48px;
            }

            .hero-subtitle {
                font-size: 32px;
            }

            .hero-description {
                font-size: 18px;
            }

            .section-title {
                font-size: 32px;
            }

            .services-grid,
            .benefits-grid,
            .cases-grid {
                grid-template-columns: 1fr;
            }
        }