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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #0a0a0a;
            color: #ffffff;
            overflow-x: hidden;
            line-height: 1.6;
        }

        .video-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: -1;
            overflow: hidden;
            --overlay-opacity: 0;
        }

        .video-background video {
            position: absolute;
            top: 50%;
            left: 50%;
            min-width: 100%;
            min-height: 100%;
            width: auto;
            height: auto;
            transform: translate(-50%, -50%);
            object-fit: cover;
        }

        .video-background::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, var(--overlay-opacity));
            z-index: 1;
            transition: background 0.3s ease;
            pointer-events: none;
        }

        .fallback-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: -2;
            background: linear-gradient(45deg, #0a0a0a, #1a1a2e, #16213e);
            background-size: 400% 400%;
            animation: gradientShift 15s ease infinite;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 1rem 2rem;
            background: rgba(0, 0, 0, 0.9);
            z-index: 1000;
            border-bottom: 1px solid #333;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            object-fit: contain;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0, 255, 255, 0.3);
            transition: all 0.3s ease;
        }

        .logo-icon:hover {
            box-shadow: 0 4px 12px rgba(0, 255, 255, 0.5);
            transform: scale(1.05);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: #00ffff;
            text-shadow: 0 0 10px #00ffff;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-link {
            color: #ffffff;
            text-decoration: none;
            transition: color 0.3s ease;
            cursor: pointer;
        }

        .nav-link:hover {
            color: #00ffff;
            text-shadow: 0 0 5px #00ffff;
        }

        .admin-btn {
            background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            color: white;
            cursor: pointer;
            transition: transform 0.3s ease;
            font-size: 14px;
            font-weight: 500;
        }

        .admin-btn:hover {
            transform: scale(1.05);
        }

        .audio-controls {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-right: 1rem;
        }

        .audio-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 0.5rem;
            border-radius: 50%;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 16px;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .audio-btn:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #00ffff;
            color: #00ffff;
            transform: scale(1.1);
        }

        .audio-btn.muted {
            background: rgba(255, 107, 107, 0.3);
            border-color: #ff6b6b;
        }

        .audio-btn.unmuted {
            background: rgba(0, 255, 255, 0.3);
            border-color: #00ffff;
            color: #00ffff;
        }

        .volume-control {
            display: none;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 0, 0, 0.8);
            padding: 0.5rem;
            border-radius: 20px;
            border: 1px solid #333;
            min-width: 120px;
        }

        .volume-control.show {
            display: flex;
        }

        .volume-slider {
            flex: 1;
            height: 4px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 2px;
            outline: none;
            cursor: pointer;
            -webkit-appearance: none;
            appearance: none;
        }

        .volume-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            appearance: none;
            width: 14px;
            height: 14px;
            background: #00ffff;
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 0 4px rgba(0, 255, 255, 0.5);
        }

        .volume-slider::-moz-range-thumb {
            width: 14px;
            height: 14px;
            background: #00ffff;
            border-radius: 50%;
            cursor: pointer;
            border: none;
            box-shadow: 0 0 4px rgba(0, 255, 255, 0.5);
        }

        .volume-label {
            font-size: 12px;
            color: #ccc;
            min-width: 30px;
            text-align: center;
        }

        .main-content {
            margin-top: 80px;
            position: relative;
            z-index: 10;
        }

        .section {
            min-height: 100vh;
            padding: 4rem 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
        }

        .hero {
            flex-direction: column;
            background: transparent;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 1rem;
            background: linear-gradient(45deg, #00ffff, #ff6b6b);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: pulse 2s ease-in-out infinite alternate;
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.9);
        }

        .hero .subtitle {
            font-size: clamp(1rem, 2.5vw, 1.5rem);
            margin-bottom: 2rem;
            color: #ffffff;
            text-shadow: 4px 4px 8px rgba(0, 0, 0, 1);
            font-weight: 600;
        }

        .hero .description {
            font-size: 1.1rem;
            max-width: 800px;
            margin: 0 auto 3rem;
            color: #ffffff;
            text-shadow: 4px 4px 8px rgba(0, 0, 0, 1);
            line-height: 1.8;
            padding: 2rem;
            border-radius: 15px;
        }

        .section h2 {
            color: #ffffff;
            font-size: 2.5rem;
            margin-bottom: 2rem;
            text-shadow: 4px 4px 8px rgba(0, 0, 0, 1);
            font-weight: 600;
        }

        .section p {
            color: #f0f0f0;
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 1);
        }

        .logo-watermark {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 5000;
            max-width: 400px;
            max-height: 300px;
            opacity: 0.9;
            transition: opacity 0.3s ease;
            pointer-events: none;
            user-select: none;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .logo-watermark img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            filter: drop-shadow(2px 2px 8px rgba(0, 0, 0, 0.8));
            display: block;
        }

        .logo-watermark.text-logo {
            font-size: clamp(2.5rem, 5vw, 4rem);
            background: linear-gradient(45deg, #00ffff, #ff6b6b);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 4px 4px 8px rgba(0, 0, 0, 1);
            font-weight: bold;
            animation: pulse 2s ease-in-out infinite alternate;
            text-align: center;
            white-space: nowrap;
        }

        .logo-watermark.image-logo {
            background: none;
            text-shadow: none;
            animation: none;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .tech-item {
            background: rgba(0, 0, 0, 0.6);
            padding: 2rem 1rem;
            border-radius: 15px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: transform 0.3s ease, background 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

        .tech-item:hover {
            transform: translateY(-10px);
            background: rgba(0, 255, 255, 0.2);
            border-color: #00ffff;
            box-shadow: 0 12px 40px rgba(0, 255, 255, 0.4);
        }

        .tech-item h3 {
            color: #ffffff;
            margin-bottom: 0.5rem;
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 1);
        }

        .tech-item p {
            color: #f0f0f0;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 1);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .case-item {
            background: rgba(0, 0, 0, 0.6);
            padding: 2rem;
            border-radius: 15px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .case-item:hover {
            transform: translateY(-5px);
            border-color: #ff6b6b;
            box-shadow: 0 12px 40px rgba(255, 107, 107, 0.4);
        }

        .case-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
            transition: left 0.5s ease;
        }

        .case-item:hover::before {
            left: 100%;
        }

        .case-item h3 {
            color: #ffffff;
            margin-bottom: 1rem;
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 1);
            position: relative;
            z-index: 2;
        }

        .case-item p {
            color: #f0f0f0;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 1);
            position: relative;
            z-index: 2;
            margin-bottom: 1rem;
        }

        .case-item .case-preview-btn {
            position: absolute;
            bottom: 15px;
            right: 15px;
            background: linear-gradient(45deg, #00ffff, #ff6b6b);
            border: none;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 3;
        }

        .case-item .case-preview-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 255, 255, 0.4);
        }

        .case-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.95);
            z-index: 10000;
            overflow: hidden;
        }

        .case-modal-content {
            position: relative;
            width: 100%;
            height: 100%;
            background: #000;
            border-radius: 0;
        }

        .case-modal-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 22px;
            background: rgba(0, 0, 0, 0.9);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1rem;
            z-index: 10001;
            border-bottom: 1px solid #333;
        }

        .case-modal-title {
            color: #00ffff;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .case-modal-close {
            background: #ff6b6b;
            border: none;
            color: white;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            cursor: pointer;
            transition: background 0.3s ease;
            font-size: 10px;
        }

        .case-modal-close:hover {
            background: #ff5252;
        }

        .case-iframe {
            width: 100%;
            height: calc(100vh - 22px);
            border: none;
            margin-top: 22px;
        }

        .case-loading {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #00ffff;
            font-size: 18px;
            z-index: 10002;
        }

        .case-modal-watermark {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 10003;
            max-width: 400px;
            max-height: 300px;
            opacity: 0.3;
            transition: opacity 0.3s ease;
            pointer-events: none;
            user-select: none;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-modal-watermark img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            filter: drop-shadow(2px 2px 8px rgba(0, 0, 0, 0.8));
            display: block;
        }

        .case-modal-watermark.text-logo {
            font-size: clamp(2.5rem, 5vw, 4rem);
            background: linear-gradient(45deg, #00ffff, #ff6b6b);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 4px 4px 8px rgba(0, 0, 0, 1);
            font-weight: bold;
            animation: pulse 2s ease-in-out infinite alternate;
            text-align: center;
            white-space: nowrap;
        }

        .case-modal-watermark.image-logo {
            background: none;
            text-shadow: none;
            animation: none;
        }

        .auth-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.95);
            z-index: 5000;
            justify-content: center;
            align-items: center;
        }

        .auth-content {
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            padding: 3rem;
            border-radius: 20px;
            border: 2px solid rgba(0, 255, 255, 0.3);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
            text-align: center;
            min-width: 400px;
            position: relative;
            backdrop-filter: blur(10px);
        }

        .auth-header {
            margin-bottom: 2rem;
        }

        .auth-header h3 {
            color: #00ffff;
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
            text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
        }

        .auth-header p {
            color: #ccc;
            font-size: 0.9rem;
        }

        .auth-form {
            margin-bottom: 2rem;
        }

        .auth-input {
            width: 100%;
            padding: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.4);
            color: white;
            font-size: 1rem;
            text-align: center;
            letter-spacing: 0.1em;
            transition: all 0.3s ease;
            outline: none;
        }

        .auth-input:focus {
            border-color: #00ffff;
            box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
        }

        .auth-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .auth-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
        }

        .auth-btn {
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .auth-btn.confirm {
            background: linear-gradient(45deg, #00ffff, #4ecdc4);
            color: #000;
        }

        .auth-btn.confirm:hover {
            background: linear-gradient(45deg, #4ecdc4, #00ffff);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 255, 255, 0.4);
        }

        .auth-btn.cancel {
            background: linear-gradient(45deg, #ff6b6b, #ff5252);
            color: white;
        }

        .auth-btn.cancel:hover {
            background: linear-gradient(45deg, #ff5252, #ff6b6b);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
        }

        .auth-error {
            background: rgba(255, 107, 107, 0.2);
            border: 1px solid #ff6b6b;
            color: #ff6b6b;
            padding: 0.8rem;
            border-radius: 8px;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            display: none;
            animation: shake 0.5s ease-in-out;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }

        .auth-attempts {
            color: #ffa500;
            font-size: 0.8rem;
            margin-top: 1rem;
            display: none;
        }

        .auth-lockout {
            background: rgba(255, 107, 107, 0.3);
            border: 2px solid #ff6b6b;
            color: #ff6b6b;
            padding: 1rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            display: none;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.7; }
            100% { opacity: 1; }
        }

        .admin-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.98);
            z-index: 3000;
        }

        .admin-content {
            background: rgba(10, 10, 10, 0.99);
            margin: 2rem auto;
            padding: 2rem;
            border-radius: 15px;
            max-width: 900px;
            max-height: 90vh;
            overflow-y: auto;
            border: 2px solid #333;
        }

        .admin-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            border-bottom: 1px solid #333;
            padding-bottom: 1rem;
        }

        .close-btn {
            background: #ff6b6b;
            border: none;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        .close-btn:hover {
            background: #ff5252;
        }

        .admin-tabs {
            display: flex;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .tab-btn {
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 14px;
        }

        .tab-btn:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .tab-btn.active {
            background: #00ffff;
            color: #000;
            font-weight: 600;
        }

        .tab-content {
            display: none;
            animation: fadeIn 0.3s ease;
        }

        .tab-content.active {
            display: block;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: #cccccc;
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid #333;
            border-radius: 8px;
            color: white;
            font-size: 14px;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #00ffff;
        }

        .form-group select option {
            background: #1a1a1a;
            color: white;
        }

        .video-preview {
            width: 100%;
            max-width: 300px;
            height: 168px;
            background: #000;
            border-radius: 8px;
            margin-top: 1rem;
            object-fit: cover;
        }

        .btn {
            background: linear-gradient(45deg, #00ffff, #ff6b6b);
            border: none;
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            cursor: pointer;
            transition: transform 0.3s ease;
            font-size: 16px;
            font-weight: 500;
        }

        .btn:hover {
            transform: scale(1.05);
        }

        .btn:active {
            transform: scale(0.95);
        }

        .logo-preview {
            width: 200px;
            height: 150px;
            border: 2px dashed #555;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color 0.3s ease;
            margin-top: 1rem;
            background: rgba(255, 255, 255, 0.05);
        }

        .logo-preview:hover {
            border-color: #00ffff;
        }

        .logo-preview.empty {
            color: #888;
            font-size: 14px;
        }

        .logo-preview img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        .icon-preview {
            width: 80px;
            height: 80px;
            border: 2px dashed #555;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: border-color 0.3s ease;
            margin-top: 1rem;
            background: rgba(255, 255, 255, 0.05);
        }

        .icon-preview:hover {
            border-color: #00ffff;
        }

        .icon-preview.empty {
            color: #888;
            font-size: 12px;
            text-align: center;
        }

        .icon-preview img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            border-radius: 4px;
        }

        .btn-small {
            padding: 0.4rem 0.8rem;
            font-size: 12px;
            border-radius: 15px;
            border: none;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .btn-edit {
            background: linear-gradient(45deg, #4ecdc4, #00ffff);
            color: white;
        }

        .btn-delete {
            background: linear-gradient(45deg, #ff6b6b, #ff5252);
            color: white;
        }

        .btn-small:hover {
            transform: scale(1.05);
        }

        .video-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem;
            margin-bottom: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            border: 1px solid #333;
        }

        .video-item-left {
            display: flex;
            align-items: center;
            gap: 1rem;
            flex: 1;
        }

        .video-checkbox {
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .video-info {
            flex: 1;
        }

        .video-name {
            font-weight: 500;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .video-url {
            font-size: 12px;
            color: #aaa;
            word-break: break-all;
        }

        .video-actions {
            display: flex;
            gap: 0.5rem;
        }

        .tech-item-admin, .case-item-admin {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 1rem;
            margin-bottom: 1rem;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            border: 1px solid #333;
        }

        .tech-info, .case-info {
            flex: 1;
        }

        .tech-title, .case-title {
            font-weight: 500;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .tech-description, .case-description {
            font-size: 14px;
            color: #ccc;
            line-height: 1.4;
            margin-bottom: 0.5rem;
        }

        .case-url-display {
            font-size: 12px;
            color: #00ffff;
            opacity: 0.8;
            word-break: break-all;
        }

        .tech-actions, .case-actions {
            display: flex;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(0, 0, 0, 0.95);
            z-index: 4000;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background: rgba(10, 10, 10, 0.98);
            padding: 2rem;
            border-radius: 15px;
            max-width: 600px;
            width: 90%;
            border: 2px solid #333;
        }

        @media (max-width: 768px) {
            .navbar {
                padding: 1rem;
            }

            .nav-menu {
                gap: 1rem;
            }

            .section {
                padding: 2rem 1rem;
            }

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

            .admin-content {
                margin: 1rem;
                padding: 1rem;
            }

            .admin-tabs {
                flex-direction: column;
                gap: 0.5rem;
            }

            .video-background video {
                width: 100%;
                height: 100vh;
                object-fit: cover;
            }

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

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

            .case-modal-header {
                padding: 0 0.8rem;
                height: 20px;
            }

            .case-modal-title {
                font-size: 0.7rem;
            }

            .case-modal-close {
                padding: 0.15rem 0.4rem;
                font-size: 9px;
            }

            .case-iframe {
                height: calc(100vh - 20px);
                margin-top: 20px;
            }

            .auth-content {
                min-width: 300px;
                margin: 1rem;
                padding: 2rem;
            }
        }

        .mobile-menu {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        @media (max-width: 600px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 10, 10, 0.95);
                flex-direction: column;
                padding: 1rem;
            }

            .nav-menu.show {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .audio-btn {
                width: 35px;
                height: 35px;
                font-size: 14px;
            }

            .volume-control {
                min-width: 100px;
            }

            .volume-slider {
                height: 3px;
            }
        }

        .loading {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 100;
            color: #00ffff;
            font-size: 18px;
        }

        .footer {
            background: linear-gradient(135deg, #0a0a0a, #1a1a2e);
            border-top: 2px solid rgba(0, 255, 255, 0.3);
            position: relative;
            z-index: 100;
            backdrop-filter: blur(10px);
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 2rem 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .footer-section h4 {
            color: #00ffff;
            font-size: 1.2rem;
            margin-bottom: 1rem;
            text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
        }

        .footer-logo-section {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .footer-logo-icon {
            width: 28px;
            height: 28px;
            object-fit: contain;
            border-radius: 4px;
            box-shadow: 0 2px 8px rgba(0, 255, 255, 0.3);
        }

        .footer-logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: #00ffff;
            text-shadow: 0 0 10px #00ffff;
            margin: 0;
        }

        .footer-description {
            color: #ccc;
            line-height: 1.6;
            margin-top: 1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: #aaa;
            text-decoration: none;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: #00ffff;
            text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
            transform: translateX(5px);
        }

        .contact-info p {
            color: #ccc;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .contact-icon {
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1.5rem 2rem;
            background: rgba(0, 0, 0, 0.5);
        }

        .footer-bottom-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            color: #888;
            font-size: 0.9rem;
            margin: 0;
        }

        .footer-links-bottom {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

        .footer-links-bottom a {
            color: #aaa;
            text-decoration: none;
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .footer-links-bottom a:hover {
            color: #00ffff;
            text-shadow: 0 0 5px rgba(0, 255, 255, 0.5);
        }

        .admin-link {
            padding: 0.3rem 0.6rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            font-size: 0.8rem !important;
            transition: all 0.3s ease;
        }

        .admin-link:hover {
            background: rgba(0, 255, 255, 0.1);
            border-color: rgba(0, 255, 255, 0.3);
            transform: scale(1.1);
        }

        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
                padding: 2rem 1rem 1rem;
                gap: 1.5rem;
            }

            .footer-bottom-content {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }

            .footer-links-bottom {
                flex-wrap: wrap;
                justify-content: center;
            }
        }