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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
            
        }

        :root {
            --primary-color: #000000;
            --secondary-color: #1a1a1a;
            --accent-color: #2b2b2b;
            --gold-color: #FFD700;
            --gold-dark: #FFA500;
            --light-bg: #f8f9fa;
        }

        /* Header & Navigation */
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            animation: slideInLeft 0.8s ease;
        }

        .logo img {
            height: 50px;
            width: auto;
            transition: transform 0.3s;
        }

        .logo img:hover {
            transform: scale(1.1) rotate(5deg);
        }

        .logo-text {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #FFD700;
            transition: width 0.3s;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            margin-top: 70px;
            background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), 
                        url('https://images.unsplash.com/photo-1557804506-669a67965ba0?w=1600&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: white;
            padding: 12rem 2rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 200%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.15), transparent);
            animation: shine 3s infinite;
        }

        @keyframes shine {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        .hero h1 {
            font-size: 4.5rem;
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.8rem;
            margin-bottom: 2rem;
            animation: fadeInUp 1s ease 0.2s;
            animation-fill-mode: both;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #000;
            padding: 1.3rem 3.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.2rem;
            transition: all 0.3s;
            animation: fadeInUp 1s ease 0.4s;
            animation-fill-mode: both;
            box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
        }

        .cta-button:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(255, 215, 0, 0.7);
            background: linear-gradient(135deg, #FFA500, #FFD700);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* Sections */
        section {
            padding: 0.5rem 0.5rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 3rem;
            margin-bottom: 3rem;
            color: var(--primary-color);
            position: relative;
            animation: fadeIn 1s ease;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 100px;
            height: 5px;
            background: linear-gradient(90deg, #FFD700, #FFA500);
            margin: 1rem auto;
            border-radius: 3px;
        }

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

        /* Stats Section */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 5rem 2rem;
            margin: 4rem 0;
            position: relative;
            overflow: hidden;
            border-radius: 20px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 4rem;
            margin-bottom: 0.5rem;
            color: #FFD700;
        }

        /* Featured Clients Section */
        .featured-clients {
            background: var(--light-bg);
            padding: 4rem 2rem;
            margin: 4rem 0;
            border-radius: 20px;
        }

        .clients-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            align-items: center;
            text-align: center;
        }

        .client-logo {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            transition: all 0.3s;
            height: 150px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .client-logo:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
        }

        .client-name {
            font-size: 2rem;
            font-weight: bold;
            transition: all 0.3s;
        }

        .client-comment {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0,0,0,0.95), rgba(26,26,26,0.95));
            color: white;
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.9rem;
            text-align: center;
        }

        .client-logo:hover .client-comment {
            opacity: 1;
        }

        .client-comment-stars {
            color: #FFD700;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        /* Video Section */
        .videos-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
            margin-bottom: 4rem;
        }

        .video-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.4s;
        }

        .video-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 50px rgba(255, 215, 0, 0.3);
        }

        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            overflow: hidden;
        }

        .video-wrapper iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }

        .video-info {
            padding: 1.5rem;
        }

        .video-info h3 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        /* WhatsApp Float Button */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: #25D366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            cursor: pointer;
            transition: all 0.3s;
            animation: pulse 2s infinite;
            z-index: 999;
        }

        .whatsapp-float:hover {
            transform: scale(1.1);
        }

        .whatsapp-float svg {
            width: 35px;
            height: 35px;
            fill: white;
        }

        @keyframes pulse {
            0%, 100% {
                box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            }
            50% {
                box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8);
            }
        }

        /* Chatbot */
        .chatbot-container {
            position: fixed;
            bottom: 30px;
            left: 30px;
            z-index: 999;
        }

        .chatbot-button {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.5);
            transition: all 0.3s;
        }

        .chatbot-button:hover {
            transform: scale(1.1);
        }

        .chatbot-button svg {
            width: 30px;
            height: 30px;
            fill: #000;
        }

        .chatbot-window {
            position: absolute;
            bottom: 80px;
            left: 0;
            width: 380px;
            height: 550px;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
            display: none;
            flex-direction: column;
            overflow: hidden;
            animation: slideUp 0.3s ease;
        }

        .chatbot-window.open {
            display: flex;
        }

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

        .chatbot-header {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .chatbot-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .chatbot-messages {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
            background: #f5f5f5;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .message {
            max-width: 75%;
            padding: 12px 16px;
            border-radius: 18px;
            animation: fadeIn 0.3s ease;
        }

        .message.bot {
            align-self: flex-start;
            background: white;
            color: #333;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .message.user {
            align-self: flex-end;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #000;
            font-weight: 500;
        }

        .typing-indicator {
            display: flex;
            gap: 4px;
            padding: 12px 16px;
            background: white;
            border-radius: 18px;
            align-self: flex-start;
            max-width: 60px;
        }

        .typing-indicator span {
            width: 8px;
            height: 8px;
            background: #999;
            border-radius: 50%;
            animation: typing 1.4s infinite;
        }

        .typing-indicator span:nth-child(2) {
            animation-delay: 0.2s;
        }

        .typing-indicator span:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes typing {
            0%, 60%, 100% {
                transform: translateY(0);
                opacity: 0.5;
            }
            30% {
                transform: translateY(-10px);
                opacity: 1;
            }
        }

        .chatbot-input-area {
            padding: 15px 20px;
            background: white;
            border-top: 1px solid #e0e0e0;
            display: flex;
            gap: 10px;
        }

        .chatbot-input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            font-size: 14px;
            outline: none;
        }

        .chatbot-send {
            background: linear-gradient(135deg, #FFD700, #FFA500);
            border: none;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .quick-replies {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 0 20px 15px;
            background: white;
        }

        .quick-reply {
            padding: 8px 16px;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            border: none;
            border-radius: 20px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 600;
            color: #000;
            transition: all 0.3s;
        }

        .quick-reply:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 215, 0, 0.5);
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            text-align: center;
            padding: 3rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-color);
                flex-direction: column;
                padding: 2rem;
                display: none;
            }

            .nav-links.active {
                display: flex;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .chatbot-window {
                width: calc(100vw - 20px);
                height: calc(100vh - 100px);
            }

            .section-title {
                font-size: 2rem;
            }
        }