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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            overflow-x: hidden;
            position: relative;
            background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f0f 100%);
            min-height: 100vh;
        }

        .section {
            min-height: 100vh;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        #home {
            background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f0f 100%);
        }

        #about {
            background: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 100%);
        }

        #contact {
            background: radial-gradient(ellipse at center, #1a1a2e 0%, #0f0f0f 100%);
        }

        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 40px;
            transition: all 0.3s ease;
        }

        .header.scrolled {
            background: rgba(0, 0, 0, 0.95);
            height: 70px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .logo-image {
            width: 50px;
            height: 50px;
            object-fit: contain;
            transition: transform 0.3s ease;
        }

        .logo-container:hover .logo-image {
            transform: scale(1.1);
        }

        .logo-container:hover {
            transform: translateY(-2px);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .footer-logo-image {
            width: 100px;
            height: 100px;
            object-fit: contain;
        }

        .footer-logo-text {
            color: white;
            font-size: 24px;
            font-weight: 600;
            margin: 0;
        }

        .logo {
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo svg {
            width: 100%;
            height: 100%;
        }

        .logo-text {
            color: white;
            font-size: 28px;
            font-weight: 600;
            letter-spacing: -0.5px;
        }

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

        .menu-item {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            transition: all 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .menu-item:hover {
            color: white;
            transform: translateY(-2px);
        }

        .menu-item::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #ffffff;
            transition: width 0.3s ease;
        }

        .menu-item:hover::after {
            width: 100%;
        }

        .menu-item.active {
            color: white;
        }

        .menu-item.active::after {
            width: 100%;
        }

        .menu-item.external::before {
            content: '↗';
            margin-right: 5px;
            font-size: 12px;
            opacity: 0.7;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 4px;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }


        .about-content {
            max-width: 1400px;
            margin: 0 auto;
            padding: 10px;
            color: white;
        }

        .about-header {
            text-align: center;
            margin-bottom: 20px;
        }
        .header-text-block {
            margin-top: 15px;
        }

        .header-text-block h2 {
            font-size: 48px;
            margin-bottom: 15px;
            color: #ffffff;
            margin-top: 0;
        }

        .header-text-block p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
            line-height: 1.8;
        }

        .rd-main-card p {
            color: rgba(255, 255, 255, 0.8) !important;
            font-size: 18px !important;
            line-height: 1.8 !important;
            max-width: 1000px !important;
            margin: 0 auto !important;
        }

        @media (max-width: 768px) {
            .rd-content .rd-main-card p {
                font-size: 16px !important;
                padding: 15px 20px !important;
            }
        }


        .about-header p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .about-main {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
            margin-bottom: 80px;
        }

        .about-visual {
            position: relative;
            height: 600px;
            display: flex;
            align-items: center;
            justify-content: center;
        }


        .about-info {
            padding-left: 40px;
        }

        .about-info h3 {
            font-size: 36px;
            margin-bottom: 30px;
            line-height: 1.3;
        }

        .about-info p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .feature-list {
            list-style: none;
            margin-bottom: 40px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.9);
        }

        .feature-list li::before {
            content: '✓';
            display: flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: #ffffff;
            border-radius: 50%;
            flex-shrink: 0;
        }


        .contact-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px;
            color: white;
        }

        .contact-header {
            text-align: center;
			margin-top: 60px;
            margin-bottom: 60px;
        }

        .contact-header h2 {
            font-size: 48px;
            margin-bottom: 20px;
            color: #ffffff;
        }

        .contact-header p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }

        .contact-info-section {
            padding-right: 40px;
        }

        .contact-info-section h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: white;
        }

        .contact-info-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 15px;
            transition: all 0.3s ease;
        }

        .contact-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateX(5px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: #ffffff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-icon svg {
            width: 24px;
            height: 24px;
            fill: white;
        }

        .contact-text {
            flex: 1;
        }

        .contact-text h4 {
            font-size: 16px;
            color: white;
            margin-bottom: 5px;
        }

        .contact-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin: 0;
        }

        .social-links {
            margin-top: 40px;
        }

        .social-links h4 {
            font-size: 18px;
            margin-bottom: 20px;
            color: white;
        }

        .social-buttons {
            display: flex;
            gap: 15px;
        }

        .social-btn {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .social-btn:hover {
            background: #ffffff;
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 255, 255, 0.4);
        }

        .social-btn svg {
            width: 20px;
            height: 20px;
            fill: white;
        }

        .contact-form-section {
            padding-left: 40px;
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.03);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 40px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.8);
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 15px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            color: white;
            font-size: 16px;
            font-family: inherit;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 150px;
            line-height: 1.5;
        }

        .submit-btn {
            background: #ffffff;
            color: white;
            border: none;
            padding: 15px 40px;
            font-size: 18px;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.5);
        }

        .image-loading {
            background: linear-gradient(45deg, #333, #555);
            position: relative;
        }

        .image-loading::after {
            content: '📷';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 48px;
            opacity: 0.5;
        }

        .footer {
            background: rgba(0, 0, 0, 0.3);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 20px;
            margin-top: 0px;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
        }

        .footer-copyright {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .footer-copyright a {
            color: #ffffff;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-copyright a:hover {
            color: #ffffff;
        }

        .footer-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: white;
        }

        .scroll-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            transform: translateY(100px);
            transition: all 0.3s ease;
            z-index: 999;
        }

        .scroll-to-top.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .scroll-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(255, 255, 255, 0.5);
        }

        .scroll-indicator {
            position: fixed;
            bottom: 100px;
            left: 50%;
            transform: translateX(-50%);
            -webkit-transform: translateX(-50%);
            width: 50px;
            height: 50px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            -webkit-transition: all 0.3s ease;
            z-index: 1000;
            opacity: 1;
            visibility: visible;
            animation: bounce 2s infinite;
            -webkit-animation: bounce 2s infinite;
        }

        .scroll-indicator svg {
            width: 24px;
            height: 24px;
            fill: rgba(255, 255, 255, 0.8);
        }

        .scroll-indicator.hidden {
            opacity: 0;
            visibility: hidden;
            transform: translateX(-50%) translateY(20px);
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-10px);
            }
            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }

        @-webkit-keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateX(-50%) translateY(0);
            }
            40% {
                transform: translateX(-50%) translateY(-10px);
            }
            60% {
                transform: translateX(-50%) translateY(-5px);
            }
        }

        @media (max-width: 1024px) {
            .about-main {
                grid-template-columns: 1fr;
                gap: 60px;
            }

            .about-visual {
                height: 400px;
            }

            .about-info {
                padding-left: 0;
                text-align: center;
            }

            .feature-list {
                text-align: left;
                max-width: 500px;
                margin: 0 auto 40px;
            }


            .contact-container {
                grid-template-columns: 1fr;
                gap: 50px;
            }

            .contact-info-section {
                padding-right: 0;
            }

            .contact-form-section {
                padding-left: 0;
            }
        }

        @media (max-width: 768px) {
            .header {
                padding: 0 20px;
            }

            .main-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(0, 0, 0, 0.95);
                backdrop-filter: blur(10px);
                flex-direction: column;
                padding: 20px;
                gap: 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            .main-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .menu-toggle.active span:nth-child(1) {
                transform: rotate(-45deg) translate(-5px, 6px);
            }

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

            .menu-toggle.active span:nth-child(3) {
                transform: rotate(45deg) translate(-5px, -6px);
            }


            .logo-text {
                font-size: 24px;
            }

            .logo-image {
                width: 32px;
                height: 32px;
            }

            .footer-logo-image {
                width: 40px;
                height: 40px;
            }

            .footer-logo-text {
                font-size: 20px;
            }

            .about-header h2 {
                font-size: 36px;
            }

            .about-info h3 {
                font-size: 28px;
            }

            .about-visual {
                height: 400px;
            }


            .contact-content h2 {
                font-size: 36px;
            }

            .footer-content {
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .footer-links {
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            .header {
                height: 70px;
                padding: 0 15px;
            }

            .header.scrolled {
                height: 60px;
            }

            .logo {
                width: 40px;
                height: 40px;
            }

            .logo-text {
                font-size: 20px;
            }

            .logo-image {
                width: 28px;
                height: 28px;
            }

            .footer-logo-image {
                width: 35px;
                height: 35px;
            }

            .footer-logo-text {
                font-size: 18px;
            }


            .about-content,
            .contact-content {
                padding: 20px;
            }

            .contact-container {
                gap: 30px;
            }

            .contact-header {
                margin-bottom: 40px;
            }

            .contact-header h2 {
                font-size: 32px;
                margin-bottom: 15px;
            }

            .contact-header p {
                font-size: 16px;
                padding: 0 10px;
            }

            .contact-info-section {
                margin-bottom: 20px;
            }

            .contact-info-section h3 {
                font-size: 22px;
                margin-bottom: 15px;
            }

            .contact-info-section > p {
                font-size: 14px;
                padding: 0 10px;
                margin-bottom: 30px;
            }

            .contact-details {
                gap: 15px;
            }

            .contact-item {
                padding: 15px;
                gap: 12px;
            }

            .contact-icon {
                width: 40px;
                height: 40px;
            }

            .contact-icon svg {
                width: 20px;
                height: 20px;
            }

            .contact-text h4 {
                font-size: 14px;
            }

            .contact-text p {
                font-size: 12px;
                word-break: break-word;
            }

            .social-links {
                margin-top: 30px;
            }

            .social-links h4 {
                font-size: 16px;
                margin-bottom: 15px;
            }

            .social-buttons {
                gap: 10px;
            }

            .social-btn {
                width: 40px;
                height: 40px;
            }

            .social-btn svg {
                width: 18px;
                height: 18px;
            }

            .contact-form {
                padding: 20px 15px;
                border-radius: 15px;
            }

            .form-group {
                margin-bottom: 20px;
            }

            .form-group label {
                font-size: 14px;
                margin-bottom: 8px;
            }

            .form-group input,
            .form-group textarea {
                padding: 12px;
                font-size: 14px;
                border-radius: 8px;
            }

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

            .submit-btn {
                padding: 12px 30px;
                font-size: 16px;
                border-radius: 25px;
            }
        }