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

        body {
            font-family: 'Vazirmatn', sans-serif;
            height: 100vh;
            overflow: hidden;
            position: relative;
            background: #000;
        }

        /* Video Background */
        .video-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -2;
            object-fit: cover;
        }

        /* Video Overlay */
        .video-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg,
                    rgba(0, 0, 0, 0.4) 0%,
                    rgba(139, 69, 19, 0.3) 50%,
                    rgba(0, 0, 0, 0.5) 100%);
            z-index: -1;
        }

        /* Main Container */
        .main-container {
            height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        /* Logo/Title */
        .logo-section {
            text-align: center;
            margin-bottom: 60px;
            animation: fadeInDown 1.2s ease-out;
        }

        .logo-title {
            font-size: clamp(2.5rem, 8vw, 5rem);
            font-weight: 800;
            color: #fff;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.7);
            margin-bottom: 15px;
            letter-spacing: 2px;
        }

        .logo-subtitle {
            font-size: clamp(1rem, 3vw, 1.5rem);
            color: #f0f0f0;
            font-weight: 400;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
            opacity: 0.9;
        }

        /* Enter Button */
        .enter-button {
            position: relative;
            font-family: vazirmatn;
            padding: 20px 60px;
            font-size: clamp(1.2rem, 4vw, 1.8rem);
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #8B4513 0%, #D2691E 50%, #CD853F 100%);
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow:
                0 10px 30px rgba(139, 69, 19, 0.4),
                0 0 0 0 rgba(255, 255, 255, 0.3),
                inset 0 1px 0 rgba(255, 255, 255, 0.2);
            overflow: hidden;
            animation: fadeInUp 1.5s ease-out 0.5s both;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .enter-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.6s;
        }

        .enter-button:hover::before {
            left: 100%;
        }

        .enter-button:hover {
            transform: translateY(-8px) scale(1.05);
            box-shadow:
                0 20px 40px rgba(139, 69, 19, 0.6),
                0 0 0 8px rgba(255, 255, 255, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }

        .enter-button:active {
            transform: translateY(-4px) scale(1.02);
        }

        .enter-button i {
            vertical-align: middle;
            margin: 0 10px 0 0;
            font-size: 1.1em;
            transition: transform 0.3s ease;
        }

        .enter-button:hover i {
            transform: translateX(-5px);
        }

        /* Floating Elements */
        .floating-element {
            position: absolute;
            color: rgba(255, 255, 255, 0.1);
            font-size: 2rem;
            animation: float 6s ease-in-out infinite;
            pointer-events: none;
        }

        .floating-element:nth-child(1) {
            top: 20%;
            left: 10%;
            animation-delay: 0s;
        }

        .floating-element:nth-child(2) {
            top: 60%;
            right: 15%;
            animation-delay: 2s;
        }

        .floating-element:nth-child(3) {
            bottom: 30%;
            left: 20%;
            animation-delay: 4s;
        }

        /* Animations */
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {

            0%,
            100% {
                transform: translateY(0px) rotate(0deg);
            }

            50% {
                transform: translateY(-20px) rotate(10deg);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .logo-section {
                margin-bottom: 40px;
            }

            .enter-button {
                padding: 18px 45px;
                font-size: 1.3rem;
            }

            .floating-element {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .logo-section {
                margin-bottom: 30px;
            }

            .enter-button {
                padding: 15px 35px;
                font-size: 1.1rem;
            }

            .enter-button i {
                margin-left: 10px;
            }
        }

        /* Loading Animation */
        .loading {
            opacity: 0;
            transition: opacity 0.5s ease;
        }

        .loaded {
            opacity: 1;
        }