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

        body, html {
            width: 100%;
            background: #0f0f0f;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        .hero-section {
            width: 100%;
            height: 100vh;
            overflow: hidden;
            position: relative;
        }

        video {
            position: fixed;
            top: -100px;
            left: 0;
            width: 100%;
            height: calc(100% + 100px);
            object-fit: cover;
            z-index: 0;
            opacity: 1;
            transition: opacity 0.1s ease-out;
        }

        @media (max-width: 1024px) {
            video {
                top: -60px;
                height: calc(100% + 60px);
            }
        }

        @media (max-width: 768px) {
            video {
                top: -40px;
                height: calc(100% + 40px);
            }
        }

        @media (max-width: 480px) {
            video {
                top: 0;
                height: 100%;
            }
        }

        /* Navbar */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(15, 15, 15, 0.8);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            z-index: 100;
            opacity: 0;
            animation: slideDown 0.6s ease-out 0.5s forwards;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            color: #e4e4e7;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #ffffff;
        }

        /* Content Container */
        .content {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            top: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-end;
            z-index: 10;
            pointer-events: none;
            padding-bottom: 160px;
        }

        .content.show {
            pointer-events: auto;
        }

        .hero-content {
            text-align: center;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.5s forwards;
            width: 100%;
            max-width: 100%;
            padding: 0 24px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            margin-bottom: 32px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.7s forwards;
            justify-content: center;
            flex-wrap: wrap;
        }

        button {
            padding: 10px 24px;
            border-radius: 6px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: #e4e4e7;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        button:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.3);
            color: #ffffff;
        }

        .btn-primary {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .btn-primary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .learn-more-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #e4e4e7;
            text-decoration: none;
            font-size: 14px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.9s forwards;
            cursor: pointer;
            transition: all 0.3s ease;
            border-bottom: 2px solid rgba(228, 228, 231, 0.5);
            padding-bottom: 4px;
            position: relative;
        }

        .learn-more-link:hover {
            color: #ffffff;
            border-bottom-color: rgba(255, 255, 255, 0.8);
        }

        .arrow {
            display: inline-block;
            transition: transform 0.3s ease;
        }

        .learn-more-link:hover .arrow {
            transform: translateX(4px);
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .cta-buttons {
                gap: 12px;
            }

            button {
                padding: 10px 20px;
                font-size: 13px;
            }

            .learn-more-link {
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .cta-buttons {
                gap: 10px;
                margin-bottom: 24px;
            }

            button {
                padding: 9px 18px;
                font-size: 12px;
            }

            .learn-more-link {
                font-size: 12px;
                gap: 6px;
            }

            .arrow {
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .hero-content {
                padding: 0 16px;
            }

            .cta-buttons {
                gap: 8px;
                margin-bottom: 20px;
            }

            button {
                padding: 8px 16px;
                font-size: 11px;
                flex: 1;
                min-width: 100px;
            }

            .learn-more-link {
                font-size: 11px;
                gap: 4px;
            }
        }

        /* Sections */
        section {
            min-height: 100vh;
            padding: 80px 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* Info Section */
        #about {
            background: #0f0f0f;
            margin-top: 100vh;
        }

        .info-container {
            max-width: 1200px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .info-image {
            position: relative;
            height: 500px;
            overflow: hidden;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .parallax-image {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 64px;
            color: rgba(255, 255, 255, 0.1);
        }

        .info-text h2 {
            font-size: 36px;
            color: #ffffff;
            margin-bottom: 24px;
            font-weight: 700;
        }

        .info-text p {
            color: #a1a1a6;
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* FAQ Section */
        #faq {
            background: #0f0f0f;
        }

        .faq-container {
            max-width: 800px;
            width: 100%;
        }

        .faq-container h2 {
            font-size: 36px;
            color: #ffffff;
            margin-bottom: 48px;
            text-align: center;
            font-weight: 700;
        }

        .faq-item {
            margin-bottom: 16px;
            border: 1px solid #27272a;
            border-radius: 8px;
            overflow: hidden;
            background: #18181b;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: #3f3f46;
            background: #1f1f23;
        }

        .faq-question {
            padding: 24px;
            background: transparent;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .faq-question h3 {
            color: #fafafa;
            font-size: 15px;
            font-weight: 500;
            margin: 0;
        }

        .faq-toggle {
            color: #71717a;
            font-size: 18px;
            transition: transform 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
            margin-left: 16px;
        }

        .faq-question:hover .faq-toggle {
            color: #a1a1a6;
        }

        .faq-item.active .faq-toggle {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer p {
            padding: 0 24px 24px 24px;
            color: #a1a1a6;
            font-size: 14px;
            line-height: 1.8;
            background: transparent;
        }

        /* Animations */
        @keyframes slideDown {
            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);
            }
        }

        /* Modal Styles */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(4px);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.2s ease-out;
        }

        .modal-overlay.active {
            display: flex;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        .modal-content {
            background: #18181b;
            border: 1px solid #27272a;
            border-radius: 12px;
            width: 90%;
            max-width: 440px;
            padding: 32px;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
            animation: slideUp 0.3s ease-out;
        }

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

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .modal-header h2 {
            color: #fafafa;
            font-size: 24px;
            font-weight: 600;
            margin: 0;
        }

        .modal-close {
            background: none;
            border: none;
            color: #a1a1a6;
            font-size: 28px;
            cursor: pointer;
            padding: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .modal-close:hover {
            background: #27272a;
            color: #fafafa;
        }

        .modal-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            color: #fafafa;
            font-size: 14px;
            font-weight: 500;
        }

        .form-group input {
            background: #27272a;
            border: 1px solid #3f3f46;
            border-radius: 8px;
            color: #fafafa;
            padding: 10px 12px;
            font-size: 14px;
            transition: all 0.2s ease;
        }

        .form-group input::placeholder {
            color: #71717a;
        }

        .form-group input:focus {
            outline: none;
            border-color: #52525b;
            background: #27272a;
            box-shadow: 0 0 0 3px rgba(82, 82, 90, 0.1);
        }

        .form-submit {
            background: #ffffff;
            color: #000000;
            border: none;
            border-radius: 8px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            margin-top: 8px;
            transition: all 0.2s ease;
        }

        .form-submit:hover {
            background: #fafafa;
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(255, 255, 255, 0.1);
        }

        .form-submit:active {
            transform: translateY(0);
        }

        .form-footer {
            text-align: center;
            color: #a1a1a6;
            font-size: 14px;
            margin-top: 16px;
        }

        .form-footer a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.2s ease;
        }

        .form-footer a:hover {
            color: #d4d4d8;
            text-decoration: underline;
        }

        @media (max-width: 640px) {
            .modal-content {
                width: 95%;
                padding: 24px;
            }

            .modal-header h2 {
                font-size: 20px;
            }
        }

        /* Invalid Credentials Styling */
        .input-group {
            position: relative;
            margin-bottom: 16px;
        }

        .input-group input {
            width: 100%;
            padding: 12px;
            border: 2px solid #e4e4e7;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.05);
            color: #ffffff;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .input-group input:focus {
            outline: none;
            border-color: #3b82f6;
            background: rgba(59, 130, 246, 0.1);
        }

        /* Invalid Input State */
        .input-group.invalid input {
            border-color: #ef4444;
            background: rgba(239, 68, 68, 0.1);
        }

        .input-group.invalid input:focus {
            border-color: #ef4444;
            background: rgba(239, 68, 68, 0.15);
            box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
        }

        /* Error Message */
        .error-message {
            display: none;
            color: #ef4444;
            font-size: 12px;
            margin-top: 6px;
            padding-left: 4px;
            animation: slideDown 0.2s ease-out;
        }

        .input-group.invalid .error-message {
            display: block;
        }

        /* Error Icon */
        .error-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #ef4444;
            display: none;
            font-size: 18px;
        }

        .input-group.invalid .error-icon {
            display: block;
        }

        /* Success State (optional) */
        .input-group.valid input {
            border-color: #10b981;
        }

        .input-group.valid input:focus {
            border-color: #10b981;
            background: rgba(16, 185, 129, 0.1);
        }

        .success-icon {
            position: absolute;
            right: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: #10b981;
            display: none;
            font-size: 18px;
        }

        .input-group.valid .success-icon {
            display: block;
        }

        /* Credentials Form */
        .credentials-form {
            width: 100%;
            max-width: 400px;
        }

        .form-error-summary {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid #ef4444;
            border-radius: 6px;
            padding: 12px;
            margin-bottom: 20px;
            color: #fecaca;
            font-size: 13px;
            display: none;
        }

        .form-error-summary.show {
            display: block;
        }

        .form-error-summary ul {
            margin: 0;
            padding-left: 20px;
        }

        .form-error-summary li {
            margin: 4px 0;
        }