:root {
            --primary: #00a3e1;
            --primary-dark: #0087c7;
            --secondary: #4ecdc4;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --success: #28a745;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        header.scrolled {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo i {
            margin-right: 10px;
            color: var(--primary);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .cta-btn {
            background-color: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            transition: all 0.3s;
        }
        
        .cta-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 163, 225, 0.3);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark);
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, rgba(0, 163, 225, 0.95) 0%, rgba(78, 205, 196, 0.9) 100%);
            padding: 180px 0 100px;
            color: white;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .hero p {
            font-size: 20px;
            max-width: 700px;
            margin: 0 auto 40px;
        }
        
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .btn {
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-primary {
            background-color: white;
            color: var(--primary);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .btn-outline {
            border: 2px solid white;
            color: white;
        }
        
        .btn-outline:hover {
            background-color: white;
            color: var(--primary);
            transform: translateY(-3px);
        }
        
        /* Services Section */
        .services {
            padding: 100px 0;
            background-color: var(--light);
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--dark);
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .service-img {
            height: 200px;
            overflow: hidden;
        }
        
        .service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .service-card:hover .service-img img {
            transform: scale(1.1);
        }
        
        .service-content {
            padding: 25px;
        }
        
        .service-content h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .service-content p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        .service-link {
            display: inline-flex;
            align-items: center;
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .service-link i {
            margin-left: 5px;
            transition: transform 0.3s;
        }
        
        .service-link:hover {
            color: var(--primary-dark);
        }
        
        .service-link:hover i {
            transform: translateX(5px);
        }
        
        /* About Section */
        .about {
            padding: 100px 0;
            background-color: white;
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-img {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-img img {
            width: 100%;
            display: block;
        }
        
        .about-text h2 {
            font-size: 36px;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .about-text p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        .features {
            margin-top: 30px;
        }
        
        .feature-item {
            display: flex;
            margin-bottom: 20px;
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(0, 163, 225, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .feature-icon i {
            color: var(--primary);
            font-size: 24px;
        }
        
        .feature-text h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .feature-text p {
            color: var(--gray);
            margin-bottom: 0;
        }
        
        /* Testimonials */
        .testimonials {
            padding: 100px 0;
            background-color: var(--light);
        }
        
        .testimonials-slider {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        
        .testimonial {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin: 20px;
            text-align: center;
            position: relative;
        }
        
        .testimonial:before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 60px;
            color: var(--primary);
            opacity: 0.2;
            font-family: serif;
        }
        
        .testimonial p {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 30px;
            font-style: italic;
        }
        
        .client {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .client-img {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 20px;
            border: 3px solid var(--primary);
        }
        
        .client-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .client-info h4 {
            font-size: 18px;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .client-info p {
            color: var(--gray);
            margin-bottom: 0;
            font-style: normal;
            font-size: 14px;
        }
        
        /* Gallery */
        .gallery {
            padding: 100px 0;
            background-color: white;
        }
        
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        
        .gallery-item {
            border-radius: 10px;
            overflow: hidden;
            position: relative;
            height: 250px;
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 163, 225, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s;
        }
        
        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }
        
        .gallery-overlay i {
            color: white;
            font-size: 40px;
        }
        
        /* Contact */
        .contact {
            padding: 100px 0;
            background-color: var(--light);
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
        }
        
        .info-item {
            display: flex;
            margin-bottom: 30px;
            align-items: flex-start;
        }
        
        .info-icon {
            width: 60px;
            height: 60px;
            background-color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            flex-shrink: 0;
            color: white;
            font-size: 20px;
        }
        
        .info-text h4 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .info-text p, .info-text a {
            color: var(--gray);
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .info-text a:hover {
            color: var(--primary);
        }
        
        .contact-form {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .contact-form h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: 'Poppins', sans-serif;
            transition: all 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 163, 225, 0.2);
            outline: none;
        }
        
        textarea.form-control {
            resize: vertical;
            min-height: 150px;
        }
        
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
        }
        
        .submit-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 163, 225, 0.3);
        }
        
        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 70px 0 30px;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }
        
        .footer-col h3 {
            font-size: 20px;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-col h3:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background-color: var(--primary);
        }
        
        .footer-col p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }
        
        .footer-links li {
            margin-bottom: 15px;
            list-style: none;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: all 0.3s;
            display: flex;
            align-items: center;
        }
        
        .footer-links a i {
            margin-right: 10px;
            color: var(--primary);
            font-size: 12px;
        }
        
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .opening-hours li {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .opening-hours span {
            color: white;
            font-weight: 500;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        
        .footer-bottom a {
            color: var(--primary);
            text-decoration: none;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .about-content,
            .contact-container {
                grid-template-columns: 1fr;
            }
            
            .about-img {
                order: -1;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: white;
                flex-direction: column;
                align-items: center;
                padding: 40px 0;
                transition: all 0.5s ease;
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
                margin-bottom: 15px;
            }
            
            .section-title h2 {
                font-size: 30px;
            }
        }
   #hero-dynamic-text {
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s, transform 0.7s;
}
#hero-dynamic-text.visible {
    opacity: 1;
    transform: translateY(0);
}
.hero-flex {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.hero-content {
    flex: 1 1 60%;
}
#tooth-3d-container {
    width: 220px;
    height: 220px;
    flex: 1 1 40%;
    background: transparent;
}
@media (max-width: 900px) {
    .hero-flex {
        flex-direction: column;
        align-items: flex-start;
    }
    #tooth-3d-container {
        margin: 0 auto;
    }
}