:root {
            --primary: #FF1B2D;
            --secondary: #121212;
            --accent: #3D3DFF;
            --light: #FFFFFF;
            --gray: #F5F5F7;
            --text: #333333;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        body {
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* Header */
        header {
            background-color: #2c3e50;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            z-index: 1000;
			transition: background-color 0.3s ease; /* Transition fluide */
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
        }
		
		

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

        .nav-item {
            margin-left: 30px;
			color: white;
        }

        .nav-link {
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .hamburger {
            display: none;
            cursor: pointer;
        }

        .bar {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            background-color: white;
            transition: var(--transition);
        }

        /* Hero Section */
        .hero {
            padding: 150px 0 100px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-title {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 30px;
            color: #555;
            font-weight: 400;
        }

        .app-showcase {
            max-width: 800px;
            margin: 40px auto 0;
            position: relative;
        }

        .app-showcase img {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 25px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            margin: 5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: white;
        }

        .btn-primary:hover {
            background-color: #e01020;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(255, 27, 45, 0.2);
        }

        .btn-secondary {
            background-color: var(--secondary);
            color: white;
        }

        .btn-secondary:hover {
            background-color: #000;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
            transform: translateY(-3px);
        }

        .btn i {
            margin-right: 10px;
            font-size: 1.2rem;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 40px;
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background-color: var(--light);
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            color: var(--secondary);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            text-align: center;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .feature-icon {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        /* Download Section */
        .download {
            padding: 100px 0;
            background-color: var(--gray);
            text-align: center;
        }

        .download-options {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 50px;
        }

        .download-card {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            width: 280px;
            transition: var(--transition);
        }

        .download-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .download-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .download-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        /* Testimonials */
        .testimonials {
            padding: 100px 0;
            background-color: var(--light);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--gray);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            margin-right: 15px;
        }

        /* FAQ Section */
        .faq {
            padding: 100px 0;
            background-color: var(--gray);
        }

        .faq-item {
            margin-bottom: 20px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .faq-question {
            padding: 20px;
            background: white;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: white;
        }

        .faq-answer.open {
            padding: 20px;
            max-height: 300px;
        }

        /* Footer */
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #ccc;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            transition: var(--transition);
        }

        .social-icons a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #ccc;
            font-size: 0.9rem;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.5rem;
            }
            
            .hero-subtitle {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: block;
				color: white;
            }
            
            .hamburger.active .bar:nth-child(2) {
                opacity: 0;
            }
            
            .hamburger.active .bar:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }
            
            .hamburger.active .bar:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 60px;
                gap: 0;
                flex-direction: column;
                background-color: black;
                width: 100%;
                text-align: left;
                transition: 0.3s;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                padding: 20px 0;
            }
            
            .nav-item {
                margin: 16px 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .hero {
                padding: 130px 0 80px;
            }
            
            .hero-title {
                font-size: 2.2rem;
            }
            
            .section-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.8rem;
            }
            
            .hero-subtitle {
                font-size: 1rem;
            }
            
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            
            .feature-card, .download-card {
                padding: 20px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .hero-buttons .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }