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<!DOCTYPE html>
<html lang="vi">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>TTL1979 - Nha Khoa Thẩm Mỹ Cao Cấp</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/smooth-scroll/16.1.3/smooth-scroll.polyfills.min.js"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

        :root {
            --primary: #1a365d;
            --secondary: #e2b979;
            --accent: #4a6fa5;
            --background: #fafafa;
            --text: #333;
            --text-light: #666;
        }

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

        body {
            font-family: 'Montserrat', sans-serif;
            color: var(--text);
            overflow-x: hidden;
            background-color: var(--background);
        }

        .title-font {
            font-family: 'Playfair Display', serif;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 50;
            transition: all 0.3s ease;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
        }

        header.scrolled {
            padding: 0.5rem 2rem;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        header.scrolled .logo-text {
            font-size: 1rem;
        }

        header.scrolled .nav-link {
            font-size: 0.875rem;
        }

        header.scrolled .fa-tooth {
            font-size: 1.25rem;
        }

        .nav-link {
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background: linear-gradient(90deg, var(--secondary), var(--accent));
            transition: width 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        /* Parallax */
        .parallax {
            background-attachment: fixed;
            background-position: center;
            background-repeat: no-repeat;
            background-size: cover;
            position: relative;
            overflow: hidden;
            min-height: 100vh;
        }

        .parallax-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(226, 185, 121, 0.3));
            transition: opacity 0.6s ease, background 0.6s ease;
            z-index: 1;
        }

        .parallax-content {
            position: relative;
            z-index: 2;
            transform: translateY(0);
            transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .parallax-content.scrolled {
            transform: translateY(-20px);
        }

        /* Buttons */
        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 20px rgba(26, 54, 93, 0.2);
            transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(26, 54, 93, 0.3);
            background: linear-gradient(45deg, var(--primary), var(--accent));
        }

        /* Cards */
        .service-card, .testimonial-card, .gallery-card {
            transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            background: white;
            position: relative;
            overflow: hidden;
            border-radius: 12px;
            border: 1px solid rgba(226, 185, 121, 0.2);
        }

        .service-card:hover, .testimonial-card:hover, .gallery-card:hover {
            transform: scale(1.06) translateY(-6px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
            border: 1px solid var(--secondary);
        }

        .service-card::after, .testimonial-card::after, .gallery-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 12px;
            background: linear-gradient(45deg, var(--secondary), var(--accent));
            opacity: 0;
            z-index: -1;
            transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .service-card:hover::after, .testimonial-card:hover::after, .gallery-card:hover::after {
            opacity: 0.1;
        }

        /* Before-After */
        .before-after-container {
            position: relative;
            width: 100%;
            height: 350px;
            overflow: hidden;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .before-after-container:hover {
            transform: scale(1.04);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        }

        .before-image, .after-image {
            position: absolute;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 1s cubic-bezier(0.19, 1, 0.22, 1);
        }

        .before-image {
            clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
        }

        .after-image {
            clip-path: polygon(100% 0, 100% 0, 100% 100%, 100% 100%);
        }

        .before-after-container:hover .before-image {
            clip-path: polygon(0 0, 0% 0, 0% 100%, 0 100%);
        }

        .before-after-container:hover .after-image {
            clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
        }

        /* Fade-in */
        .fade-in {
            opacity: 0;
            transform: translateY(40px);
            transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Section Title */
        .section-title {
            position: relative;
            display: inline-block;
            margin-bottom: 3rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 80px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
            transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .section-title.visible::after {
            transform: translateX(-50%) scaleX(1);
        }

        /* Scroll Indicator */
        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            width: 30px;
            height: 50px;
            border: 2px solid rgba(226, 185, 121, 0.5);
            border-radius: 15px;
        }

        .scroll-indicator::before {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            width: 6px;
            height: 6px;
            background: var(--secondary);
            border-radius: 50%;
            transform: translateX(-50%);
            animation: scrollDown 2s infinite;
        }

        @keyframes scrollDown {
            0% { opacity: 0; transform: translateX(-50%) translateY(0); }
            50% { opacity: 1; }
            100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
        }

        /* Form Inputs */
        .form-input {
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .form-input:focus {
            background: rgba(255, 255, 255, 1);
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(226, 185, 121, 0.1);
        }

        /* Counter */
        .counter {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
        }

        .counter::after {
            content: '+';
            color: var(--secondary);
        }

        /* Back to Top */
        #back-to-top {
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }

        /* Footer */
        footer a:hover {
            color: var(--secondary);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .parallax {
                background-attachment: scroll;
                min-height: 80vh;
            }

            .service-card:hover, .testimonial-card:hover, .gallery-card:hover {
                transform: scale(1.03) translateY(-4px);
            }

            .before-after-container {
                height: 250px;
            }

            .parallax-content.scrolled {
                transform: translateY(-10px);
            }
        }
    </style>
</head>
<body>
    <!-- Header -->
    <header class="py-4 px-4 fixed w-full z-50" id="header">
        <div class="container mx-auto flex justify-between items-center">
            <div class="flex items-center">
                <i class="fas fa-tooth text-2xl mr-3" style="color: var(--secondary);"></i>
                <h1 class="text-xl font-bold logo-text" style="color: var(--primary);">TTL1979</h1>
            </div>
            <button id="menu-toggle" class="md:hidden" style="color: var(--primary);">
                <i class="fas fa-bars text-xl"></i>
            </button>
            <nav id="main-nav" class="hidden md:flex space-x-8">
                <a href="#home" class="nav-link" style="color: var(--primary);">Trang chủ</a>
                <a href="#services" class="nav-link" style="color: var(--primary);">Dịch vụ</a>
                <a href="#gallery" class="nav-link" style="color: var(--primary);">Kết quả</a>
                <a href="#about" class="nav-link" style="color: var(--primary);">Về chúng tôi</a>
                <a href="#contact" class="nav-link" style="color: var(--primary);">Liên hệ</a>
            </nav>
        </div>
    </header>

    <!-- Mobile Menu -->
    <div id="mobile-menu" class="fixed inset-0 bg-white z-40 hidden flex-col items-center justify-center space-y-8">
        <button id="close-menu" class="absolute top-6 right-6 text-2xl" style="color: var(--primary);">
            <i class="fas fa-times"></i>
        </button>
        <a href="#home" class="text-xl" style="color: var(--primary);">Trang chủ</a>
        <a href="#services" class="text-xl" style="color: var(--primary);">Dịch vụ</a>
        <a href="#gallery" class="text-xl" style="color: var(--primary);">Kết quả</a>
        <a href="#about" class="text-xl" style="color: var(--primary);">Về chúng tôi</a>
        <a href="#contact" class="text-xl" style="color: var(--primary);">Liên hệ</a>
    </div>

    <!-- Hero Section -->
    <section id="home" class="min-h-screen flex items-center justify-center pt-20 parallax" style="background-image: url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=1470&q=80')">
        <div class="parallax-overlay"></div>
        <div class="container mx-auto px-4 text-center parallax-content">
            <h1 class="text-4xl md:text-6xl font-bold mb-6 title-font fade-in" style="color: var(--primary);" data-index="0">Nụ Cười Hoàn Hảo</h1>
            <p class="text-xl md:text-2xl mb-8 max-w-3xl mx-auto fade-in" style="color: var(--primary);" data-index="1">Nghệ thuật nha khoa thẩm mỹ đỉnh cao với công nghệ hiện đại</p>
            <div class="flex flex-col sm:flex-row justify-center space-y-4 sm:space-y-0 sm:space-x-4 fade-in" data-index="2">
                <a href="#contact" class="btn-primary text-white px-8 py-3 rounded-full font-semibold">Đặt lịch ngay</a>
                <a href="#services" class="border-2 px-8 py-3 rounded-full font-semibold transition" style="border-color: var(--secondary); color: var(--primary);">Xem dịch vụ</a>
            </div>
        </div>
        <div class="scroll-indicator"></div>
    </section>

    <!-- Stats Section -->
    <section class="py-16 bg-white">
        <div class="container mx-auto px-4">
            <div class="grid grid-cols-2 md:grid-cols-4 gap-8 text-center">
                <div class="fade-in" data-index="0">
                    <div class="counter" data-target="20">0</div>
                    <p style="color: var(--primary);">Năm kinh nghiệm</p>
                </div>
                <div class="fade-in" data-index="1">
                    <div class="counter" data-target="5000">0</div>
                    <p style="color: var(--primary);">Khách hàng hài lòng</p>
                </div>
                <div class="fade-in" data-index="2">
                    <div class="counter" data-target="100">0</div>
                    <p style="color: var(--primary);">Ca điều trị mỗi tháng</p>
                </div>
                <div class="fade-in" data-index="3">
                    <div class="counter" data-target="15">0</div>
                    <p style="color: var(--primary);">Chuyên gia hàng đầu</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Services Section -->
    <section id="services" class="py-20 px-4 bg-white">
        <div class="container mx-auto">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 section-title title-font fade-in" style="color: var(--primary);" data-index="0">Dịch Vụ Cao Cấp</h2>
                <p class="max-w-2xl mx-auto fade-in" style="color: var(--primary);" data-index="1">Các dịch vụ nha khoa chất lượng cao với công nghệ hiện đại</p>
            </div>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="service-card rounded-xl p-8 fade-in" data-index="2">
                    <div class="p-4 rounded-full w-16 h-16 flex items-center justify-center mb-6 mx-auto" style="background-color: rgba(226, 185, 121, 0.1);">
                        <i class="fas fa-tooth text-2xl" style="color: var(--secondary);"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-center" style="color: var(--primary);">Tẩy Trắng Răng</h3>
                    <p class="mb-4 text-center" style="color: var(--primary);">Công nghệ tẩy trắng răng hiện đại, an toàn, hiệu quả ngay sau 1 lần thực hiện.</p>
                    <div class="text-center">
                        <a href="#" class="font-semibold inline-flex items-center transition" style="color: var(--accent);">
                            Xem chi tiết
                            <i class="fas fa-arrow-right ml-2"></i>
                        </a>
                    </div>
                </div>
                <div class="service-card rounded-xl p-8 fade-in" data-index="3">
                    <div class="p-4 rounded-full w-16 h-16 flex items-center justify-center mb-6 mx-auto" style="background-color: rgba(226, 185, 121, 0.1);">
                        <i class="fas fa-teeth text-2xl" style="color: var(--secondary);"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-center" style="color: var(--primary);">Niềng Răng</h3>
                    <p class="mb-4 text-center" style="color: var(--primary);">Niềng răng trong suốt Invisalign và mắc cài tự buộc hiện đại nhất hiện nay.</p>
                    <div class="text-center">
                        <a href="#" class="font-semibold inline-flex items-center transition" style="color: var(--accent);">
                            Xem chi tiết
                            <i class="fas fa-arrow-right ml-2"></i>
                        </a>
                    </div>
                </div>
                <div class="service-card rounded-xl p-8 fade-in" data-index="4">
                    <div class="p-4 rounded-full w-16 h-16 flex items-center justify-center mb-6 mx-auto" style="background-color: rgba(226, 185, 121, 0.1);">
                        <i class="fas fa-crown text-2xl" style="color: var(--secondary);"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-center" style="color: var(--primary);">Dán Sứ Veneer</h3>
                    <p class="mb-4 text-center" style="color: var(--primary);">Phục hình thẩm mỹ răng sứ không xâm lấn, bảo tồn tối đa răng thật.</p>
                    <div class="text-center">
                        <a href="#" class="font-semibold inline-flex items-center transition" style="color: var(--accent);">
                            Xem chi tiết
                            <i class="fas fa-arrow-right ml-2"></i>
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Gallery Section -->
    <section id="gallery" class="py-20 px-4 parallax" style="background-image: url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=1470&q=80')">
        <div class="parallax-overlay"></div>
        <div class="container mx-auto relative z-10 parallax-content">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 section-title title-font fade-in" style="color: var(--primary);" data-index="0">Kết Quả Trước & Sau</h2>
                <p class="max-w-2xl mx-auto fade-in" style="color: var(--primary);" data-index="1">Chạm vào ảnh để xem sự thay đổi ngoạn mục</p>
            </div>
            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
                <div class="gallery-card rounded-xl overflow-hidden fade-in" data-index="2">
                    <div class="before-after-container">
                        <img src="https://images.unsplash.com/photo-1597251377449-eb8a2dea9a8a?auto=format&fit=crop&w=800&q=80" alt="Before" class="before-image">
                        <img src="https://images.unsplash.com/photo-1622253692010-333f2da6031d?auto=format&fit=crop&w=800&q=80" alt="After" class="after-image">
                        <div class="absolute bottom-4 left-4 bg-white px-3 py-1 rounded-full text-sm shadow-md" style="color: var(--primary);">
                            <i class="fas fa-arrows-alt-h mr-1" style="color: var(--secondary);"></i> Chạm để xem
                        </div>
                        <div class="absolute top-4 right-4 text-white px-3 py-1 rounded-full text-sm" style="background-color: var(--accent);">Veneers</div>
                    </div>
                    <div class="p-6 bg-white">
                        <h3 class="font-bold text-xl mb-2" style="color: var(--primary);">Thay đổi nụ cười</h3>
                        <p class="text-sm mb-4" style="color: var(--primary);">Dán sứ Veneer thay đổi hoàn toàn nụ cười chỉ sau 2 lần hẹn</p>
                        <div class="flex justify-between items-center">
                            <span class="text-sm" style="color: var(--accent);">Case #DT-1245</span>
                            <a href="#" class="text-sm flex items-center transition" style="color: var(--primary);">
                                Chi tiết <i class="fas fa-chevron-right ml-1 text-xs"></i>
                            </a>
                        </div>
                    </div>
                </div>
                <div class="gallery-card rounded-xl overflow-hidden fade-in" data-index="3">
                    <div class="before-after-container">
                        <img src="https://images.unsplash.com/photo-1560869713-8acaebf44127?auto=format&fit=crop&w=800&q=80" alt="Before" class="before-image">
                        <img src="https://images.unsplash.com/photo-1622253692010-333f2da6031d?auto=format&fit=crop&w=800&q=80" alt="After" class="after-image">
                        <div class="absolute bottom-4 left-4 bg-white px-3 py-1 rounded-full text-sm shadow-md" style="color: var(--primary);">
                            <i class="fas fa-arrows-alt-h mr-1" style="color: var(--secondary);"></i> Chạm để xem
                        </div>
                        <div class="absolute top-4 right-4 text-white px-3 py-1 rounded-full text-sm" style="background-color: var(--accent);">Invisalign</div>
                    </div>
                    <div class="p-6 bg-white">
                        <h3 class="font-bold text-xl mb-2" style="color: var(--primary);">Niềng răng trong suốt</h3>
                        <p class="text-sm mb-4" style="color: var(--primary);">18 tháng với Invisalign cho hàm răng đều đẹp hoàn hảo</p>
                        <div class="flex justify-between items-center">
                            <span class="text-sm" style="color: var(--accent);">Case #DT-1567</span>
                            <a href="#" class="text-sm flex items-center transition" style="color: var(--primary);">
                                Chi tiết <i class="fas fa-chevron-right ml-1 text-xs"></i>
                            </a>
                        </div>
                    </div>
                </div>
                <div class="gallery-card rounded-xl overflow-hidden fade-in" data-index="4">
                    <div class="before-after-container">
                        <img src="https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=800&q=80" alt="Before" class="before-image">
                        <img src="https://images.unsplash.com/photo-1622253692010-333f2da6031d?auto=format&fit=crop&w=800&q=80" alt="After" class="after-image">
                        <div class="absolute bottom-4 left-4 bg-white px-3 py-1 rounded-full text-sm shadow-md" style="color: var(--primary);">
                            <i class="fas fa-arrows-alt-h mr-1" style="color: var(--secondary);"></i> Chạm để xem
                        </div>
                        <div class="absolute top-4 right-4 text-white px-3 py-1 rounded-full text-sm" style="background-color: var(--accent);">Implant</div>
                    </div>
                    <div class="p-6 bg-white">
                        <h3 class="font-bold text-xl mb-2" style="color: var(--primary);">Trồng răng Implant</h3>
                        <p class="text-sm mb-4" style="color: var(--primary);">Giải pháp phục hình răng mất tự nhiên và bền vững</p>
                        <div class="flex justify-between items-center">
                            <span class="text-sm" style="color: var(--accent);">Case #DT-1349</span>
                            <a href="#" class="text-sm flex items-center transition" style="color: var(--primary);">
                                Chi tiết <i class="fas fa-chevron-right ml-1 text-xs"></i>
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- About Section -->
    <section id="about" class="py-20 px-4 bg-white">
        <div class="container mx-auto">
            <div class="flex flex-col lg:flex-row items-center">
                <div class="lg:w-1/2 mb-12 lg:mb-0 lg:pr-12">
                    <h2 class="text-3xl md:text-4xl font-bold mb-6 section-title title-font fade-in" style="color: var(--primary);" data-index="0">Về Nha Khoa TTL1979</h2>
                    <p class="mb-6 fade-in" style="color: var(--primary);" data-index="1">Với hơn 20 năm kinh nghiệm trong lĩnh vực nha khoa thẩm mỹ, chúng tôi tự hào mang đến những dịch vụ chất lượng cao với công nghệ hiện đại nhất.</p>
                    <div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-8">
                        <div class="flex items-start fade-in" data-index="2">
                            <div class="p-3 rounded-full mr-4" style="background-color: rgba(226, 185, 121, 0.1);">
                                <i class="fas fa-tooth" style="color: var(--secondary);"></i>
                            </div>
                            <div>
                                <h4 class="font-bold mb-1" style="color: var(--primary);">Đội ngũ bác sĩ</h4>
                                <p class="text-sm" style="color: var(--primary);">Chuyên gia đầu ngành với trình độ chuyên môn cao</p>
                            </div>
                        </div>
                        <div class="flex items-start fade-in" data-index="3">
                            <div class="p-3 rounded-full mr-4" style="background-color: rgba(226, 185, 121, 0.1);">
                                <i class="fas fa-shield-alt" style="color: var(--secondary);"></i>
                            </div>
                            <div>
                                <h4 class="font-bold mb-1" style="color: var(--primary);">An toàn tuyệt đối</h4>
                                <p class="text-sm" style="color: var(--primary);">Quy trình vô trùng nghiêm ngặt</p>
                            </div>
                        </div>
                        <div class="flex items-start fade-in" data-index="4">
                            <div class="p-3 rounded-full mr-4" style="background-color: rgba(226, 185, 121, 0.1);">
                                <i class="fas fa-microscope" style="color: var(--secondary);"></i>
                            </div>
                            <div>
                                <h4 class="font-bold mb-1" style="color: var(--primary);">Công nghệ hiện đại</h4>
                                <p class="text-sm" style="color: var(--primary);">Trang thiết bị nhập khẩu từ châu Âu</p>
                            </div>
                        </div>
                        <div class="flex items-start fade-in" data-index="5">
                            <div class="p-3 rounded-full mr-4" style="background-color: rgba(226, 185, 121, 0.1);">
                                <i class="fas fa-heart" style="color: var(--secondary);"></i>
                            </div>
                            <div>
                                <h4 class="font-bold mb-1" style="color: var(--primary);">Chăm sóc tận tâm</h4>
                                <p class="text-sm" style="color: var(--primary);">Đặt sức khỏe khách hàng lên hàng đầu</p>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="lg:w-1/2 fade-in" data-index="6">
                    <div class="relative rounded-xl overflow-hidden shadow-lg">
                        <img src="https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=1470&q=80" alt="Dental Clinic" class="w-full h-auto rounded-xl">
                        <div class="absolute -bottom-6 -right-6 bg-white p-4 rounded-xl shadow-xl hidden md:block" style="border: 1px solid rgba(226, 185, 121, 0.3);">
                            <div class="flex items-center">
                                <div class="p-3 rounded-full mr-3" style="background-color: var(--secondary); color: white;">
                                    <i class="fas fa-award text-xl"></i>
                                </div>
                                <div>
                                    <p class="font-bold" style="color: var(--primary);">20+ năm kinh nghiệm</p>
                                    <p class="text-sm" style="color: var(--primary);">Chất lượng hàng đầu</p>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Testimonials Section -->
    <section id="testimonials" class="py-20 px-4 parallax" style="background-image: url('https://images.unsplash.com/photo-1588776814546-1ffcf47267a5?auto=format&fit=crop&w=1470&q=80')">
        <div class="parallax-overlay"></div>
        <div class="container mx-auto relative z-10 parallax-content">
            <div class="text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-4 section-title title-font fade-in" style="color: var(--primary);" data-index="0">Khách Hàng Nói Về Chúng Tôi</h2>
                <p class="max-w-2xl mx-auto fade-in" style="color: var(--primary);" data-index="1">Những phản hồi chân thực từ khách hàng đã trải nghiệm dịch vụ</p>
            </div>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-8">
                <div class="testimonial-card p-8 rounded-xl fade-in" data-index="2">
                    <div class="flex items-center mb-6">
                        <div class="w-16 h-16 rounded-full overflow-hidden border-2" style="border-color: var(--secondary);">
                            <img src="https://randomuser.me/api/portraits/women/44.jpg" alt="Patient" class="w-full h-full object-cover">
                        </div>
                        <div class="ml-4">
                            <h4 class="font-bold" style="color: var(--primary);">Chị Minh Thơ</h4>
                            <p class="text-sm" style="color: var(--secondary);">Tẩy trắng răng</p>
                        </div>
                    </div>
                    <p class="mb-4" style="color: var(--primary);">"Tôi đã không thể tin được răng của tôi sáng lên trông thấy chỉ sau một lần tẩy trắng. Cảm ơn bác sĩ và đội ngũ nhân viên rất nhiều!"</p>
                    <div class="flex text-yellow-400">
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                    </div>
                </div>
                <div class="testimonial-card p-8 rounded-xl fade-in" data-index="3">
                    <div class="flex items-center mb-6">
                        <div class="w-16 h-16 rounded-full overflow-hidden border-2" style="border-color: var(--secondary);">
                            <img src="https://randomuser.me/api/portraits/men/32.jpg" alt="Patient" class="w-full h-full object-cover">
                        </div>
                        <div class="ml-4">
                            <h4 class="font-bold" style="color: var(--primary);">Anh Tuấn Anh</h4>
                            <p class="text-sm" style="color: var(--secondary);">Niềng răng Invisalign</p>
                        </div>
                    </div>
                    <p class="mb-4" style="color: var(--primary);">"Sau 18 tháng niềng răng Invisalign, tôi đã có được nụ cười như mong đợi. Quá trình điều trị rất thoải mái và không ảnh hưởng đến công việc."</p>
                    <div class="flex text-yellow-400">
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                        <i class="fas fa-star"></i>
                    </div>
                </div>
                <div class="testimonial-card p-8 rounded-xl fade-in" data-index="4">
                    <div class="flex items-center mb-6">
                        <div class="w-16 h-16 rounded-full overflow-hidden border-2" style="border-color: var(--secondary);">
                            <img src="https://randomuser.me/api/portraits/women/68.jpg" alt="Patient" class="w-full h-full object-cover">
                        </div>
                        <div class="ml-4">
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