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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background-color: #ffffff;
            color: #1f2937;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        body.dark-mode {
            background-color: #111827;
            color: #f9fafb;
        }

        /* Header Styles */
        header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e5e7eb;
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }

        body.dark-mode header {
            background-color: rgba(17, 24, 39, 0.8);
            border-bottom: 1px solid #374151;
        }

        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4rem;
        }

        .logo {
            height: 2.5rem;
            width: auto;
        }

        /* Main Content */
        .main-container {
            min-height: calc(100vh - 4rem - 8rem);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.5rem;
        }

        .content-wrapper {
            max-width: 56rem;
            width: 100%;
            text-align: center;
        }

        /* Coming Soon Title */
        .coming-soon-title {
            font-size: 4.5rem;
            font-weight: bold;
            margin-bottom: 2rem;
            line-height: 1;
        }

        @media (min-width: 768px) {
            .coming-soon-title {
                font-size: 9rem;
            }
        }

        .letter {
            display: inline-block;
            animation: fadeInUp 0.5s ease-out forwards;
            opacity: 0;
        }

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

        /* Subtitle */
        .subtitle {
            font-size: 1.25rem;
            color: #4b5563;
            margin-bottom: 3rem;
            max-width: 42rem;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.75;
            opacity: 0;
            animation: fadeIn 0.8s ease-out 0.2s forwards;
        }

        body.dark-mode .subtitle {
            color: #d1d5db;
        }

        @media (min-width: 768px) {
            .subtitle {
                font-size: 1.5rem;
            }
        }

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

        /* Contact Form */
        .contact-form {
            max-width: 40rem;
            margin: 0 auto 1.5rem;
            opacity: 0;
            animation: fadeIn 0.8s ease-out 0.4s forwards;
        }

        .contact-form .form-group {
            display: block;
            margin-bottom: 0.75rem;
        }

        .contact-form .form-group:last-child {
            text-align: center;
        }

        .contact-form .form-group:last-child .submit-button {
            margin: 0 auto;
            display: inline-block;
            min-width: 12rem;
        }

        .submit-button {
            padding: 0 2rem;
            height: 3.5rem;
            font-size: 1rem;
            font-weight: 500;
            background-color: #ffffff;
            color: #111827;
            border: 2px solid #111827;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .submit-button:hover:not(:disabled) {
            background-color: #111827;
            color: #ffffff;
        }

        .submit-button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        /* Bottom Text */
        .bottom-text {
            font-size: 0.875rem;
            color: #6b7280;
            opacity: 0;
            animation: fadeIn 0.8s ease-out 0.6s forwards;
        }

        /* Footer */
        footer {
            background-color: #ffffff;
            border-top: 1px solid #e5e7eb;
            margin-top: 4rem;
            transition: background-color 0.3s ease, border-color 0.3s ease;
        }

        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }



        .copyright {
            font-size: 0.875rem;
            color: #6b7280;
            text-align: center;
        }

        /* Toast Notification */
        .toast {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background-color: #111827;
            color: #ffffff;
            padding: 1rem 1.5rem;
            border-radius: 0.5rem;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
            transform: translateY(100px);
            opacity: 0;
            transition: all 0.3s ease;
            z-index: 1000;
            max-width: 400px;
        }

        .toast.show {
            transform: translateY(0);
            opacity: 1;
        }

        /* Responsive */
        @media (max-width: 640px) {
            .form-group {
                flex-direction: column;
            }

            .submit-button {
                width: 100%;
            }

            .toast {
                left: 1rem;
                right: 1rem;
                bottom: 1rem;
            }

            .subtitle {
                font-size: 28px;
                font-weight: 500;
                color: #475569; /* slate-ish */
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 16px;
            }

            .subtitle .dot {
                font-size: 22px;
                line-height: 1;
            }

        }