/* Reset và biến toàn cục */
:root {
    --primary: #ff6b00;
    --secondary: #00a8ff;
    --dark: #1a1a2e;
    --light: #f8f9fa;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ffc107;
    --gray: #6c757d;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--dark);
    color: white;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 250px;
}

.logo img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

.logo span {
    color: var(--primary);
    display: inline-block;
}

.contact-info {
    text-align: right;
    font-size: 0.85rem;
    flex: 1;
    min-width: 250px;
}

.contact-info p {
    margin: 4px 0;
}

.phone {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary);
    margin: 5px 0;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.phone i {
    font-size: 1rem;
}

/* Navigation */
nav {
    background: var(--primary);
    padding: 0;
    position: relative;
}

.nav-container {
    position: relative;
}

.nav-links {
    display: flex;
    list-style: none;
    justify-content: center;
    flex-wrap: wrap;
    padding: 0;
}

.nav-links li {
    position: relative;
    flex: 1;
    text-align: center;
    min-width: 120px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 15px 12px;
    display: block;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(255, 255, 255, 0.15);
}

.nav-links a i {
    margin-right: 8px;
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    margin-left: 10px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), 
                url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    text-align: center;
    padding: 80px 0;
    position: relative;
}

.hero-title {
    font-size: 2rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1rem;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--primary);
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    min-width: 200px;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.cta-button:hover {
    background: #ff5500;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.cta-button.secondary {
    background: var(--secondary);
    box-shadow: 0 4px 15px rgba(0, 168, 255, 0.3);
}

.cta-button.secondary:hover {
    background: #0097e6;
}

/* Sections */
section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    padding: 0 15px;
}

.section-title h2 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-subtitle {
    color: var(--gray);
    font-size: 1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.5;
}

/* Pricing Section */
.pricing-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.pricing-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.pricing-header {
    background: linear-gradient(135deg, var(--dark), #2d3748);
    color: white;
    padding: 25px;
    text-align: center;
    flex-shrink: 0;
}

.pricing-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--warning);
    color: var(--dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    z-index: 1;
}

.pricing-header h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    margin: 12px 0;
    color: var(--primary);
}

.price span {
    font-size: 0.9rem;
    font-weight: normal;
    color: rgba(255, 255, 255, 0.8);
}

.pricing-body {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.pricing-body ul {
    list-style: none;
    margin-bottom: 25px;
    flex-grow: 1;
}

.pricing-body li {
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.pricing-body li:last-child {
    border-bottom: none;
}

.pricing-body li i {
    color: var(--success);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.pricing-btn {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 0.95rem;
}

/* Accounts Section */
.accounts-info-bar {
    background: var(--light);
    padding: 15px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
    font-size: 0.9rem;
}

.accounts-info-bar i {
    margin-right: 8px;
    color: var(--primary);
}

.accounts-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.account-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.account-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.account-hot, .account-new {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--danger);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: bold;
    z-index: 2;
}

.account-new {
    background: var(--success);
}

.account-img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.account-card:hover .account-img {
    transform: scale(1.05);
}

.account-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.account-info h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.3;
}

.account-info > p {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 15px;
    flex-grow: 1;
}

.account-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 10px 0;
}

.account-stats {
    display: flex;
    justify-content: space-between;
    margin: 15px 0;
    color: var(--gray);
    font-size: 0.8rem;
    flex-wrap: wrap;
    gap: 10px;
}

.account-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-buy-account {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    margin-top: auto;
}

.btn-buy-account:hover {
    background: #ff5500;
    transform: translateY(-2px);
}

.view-more-container {
    text-align: center;
    margin-top: 30px;
}

.btn-view-more {
    padding: 14px 35px;
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-view-more:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Feedback Section */
.feedback-intro {
    text-align: center;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-size: 0.95rem;
}

.feedback-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feedback-gallery-item {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.feedback-gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.feedback-gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.feedback-gallery-item:hover img {
    opacity: 0.9;
}

.feedback-gallery-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.feedback-gallery-info h4 {
    margin-bottom: 5px;
    color: var(--dark);
    font-size: 1rem;
}

.feedback-gallery-info > p {
    font-size: 0.85rem;
    color: var(--gray);
    margin-bottom: 10px;
}

.feedback-stars {
    color: var(--warning);
    margin: 10px 0;
    font-size: 0.9rem;
}

.feedback-gallery-info p[itemprop="reviewBody"] {
    font-size: 0.85rem;
    color: #555;
    font-style: italic;
    margin-top: 10px;
    flex-grow: 1;
}

.feedback-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 25px 15px;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-3px);
}

.stat-item h3 {
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-item p {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Event Section */
.event-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.event-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.3;
}

.event-info > p {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.5;
}

.event-info ul {
    list-style: none;
    margin: 20px 0;
}

.event-info li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.event-info li i {
    color: var(--success);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.event-pricing {
    display: flex;
    gap: 15px;
    margin: 25px 0;
}

.event-price-card {
    flex: 1;
    text-align: center;
    padding: 20px 15px;
    background: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.event-price-card:hover {
    transform: translateY(-3px);
}

.event-price-card.featured {
    border: 2px solid var(--primary);
    position: relative;
}

.event-price-card h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--dark);
}

.event-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 10px 0;
}

.event-price-card p {
    font-size: 0.9rem;
    color: var(--gray);
}

.event-btn {
    margin-top: 20px;
    padding: 14px 30px;
}

.event-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.event-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.event-image:hover img {
    transform: scale(1.05);
}

/* FAQ Section */
.faq-section {
    background: var(--light);
    padding: 60px 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.faq-item h3 {
    color: var(--primary);
    margin-bottom: 12px;
    font-size: 1.1rem;
    line-height: 1.4;
}

.faq-item p {
    color: #555;
    line-height: 1.5;
    font-size: 0.95rem;
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0;
}

.contact-section .section-title h2 {
    color: white;
}

.contact-section .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-top: 30px;
}

.contact-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 25px;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: white;
}

.contact-info p {
    margin-bottom: 12px;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1.5;
}

.contact-info a {
    color: var(--warning);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info a:hover {
    color: white;
    text-decoration: underline;
}

.contact-features {
    margin-top: 30px;
}

.feature-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 18px;
    border-radius: 8px;
    margin-bottom: 12px;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.3rem;
    color: var(--warning);
    margin-bottom: 8px;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.feature-item p {
    font-size: 0.85rem;
    opacity: 0.9;
}

/* Contact Form */
.contact-form-container {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.contact-form {
    padding: 30px;
}

.form-message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    animation: slideIn 0.3s ease;
    font-size: 0.95rem;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
    font-size: 0.9rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.9rem;
    color: #555;
    cursor: pointer;
    line-height: 1.4;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
    flex-shrink: 0;
}

.terms-link {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.terms-link:hover {
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
    margin-top: 10px;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-note {
    margin-top: 20px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
    font-size: 0.85rem;
    color: #666;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.4;
}

.form-note i {
    color: var(--primary);
    flex-shrink: 0;
}

/* Form Validation States */
.form-group.focused label {
    color: var(--primary);
}

.form-group.success label {
    color: var(--success);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--success);
    background-color: rgba(40, 167, 69, 0.05);
}

.form-group.error label {
    color: var(--danger);
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--danger);
    background-color: rgba(220, 53, 69, 0.05);
}

.form-group[data-error]::after {
    content: attr(data-error);
    display: block;
    font-size: 0.8rem;
    color: var(--danger);
    margin-top: 5px;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.footer-column p {
    margin-bottom: 12px;
    opacity: 0.9;
    font-size: 0.9rem;
    line-height: 1.5;
}

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

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

.footer-links a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
    text-decoration: none;
}

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

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.5;
}

/* Welcome Notification */
.welcome-notification {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    padding: 20px;
}

.notification-content {
    background: white;
    max-width: 450px;
    width: 100%;
    border-radius: 12px;
    padding: 25px;
    position: relative;
    animation: popIn 0.5s ease;
}

@keyframes popIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.close-notification {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
    padding: 5px;
}

.notification-buttons {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-notification {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.btn-notification.secondary {
    background: #eee;
    color: #333;
}

/* Quick Contact Bar */
.quick-contact-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--dark);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 1000;
    display: none;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
}

.quick-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    text-decoration: none;
    font-size: 0.75rem;
    transition: var(--transition);
    padding: 5px;
    flex: 1;
    min-width: 0;
}

.quick-contact-item:hover {
    color: var(--primary);
}

.quick-contact-item i {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Print styles */
@media print {
    .welcome-notification,
    .quick-contact-bar,
    .cta-button,
    .btn-buy-account,
    .btn-view-more,
    .mobile-menu-toggle {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    section {
        padding: 30px 0;
        page-break-inside: avoid;
    }
    
    a {
        text-decoration: none;
        color: #000;
    }
    
    .logo h1 {
        font-size: 14pt;
    }
}

/* =================== RESPONSIVE DESIGN =================== */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 25px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .event-content {
        gap: 30px;
    }
    
    .pricing-container {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .accounts-container {
        grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    }
}

/* Mobile (max-width: 767px) */
@media (max-width: 767px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    /* Header */
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .logo {
        justify-content: center;
        min-width: auto;
        flex: none;
        width: 100%;
    }
    
    .contact-info {
        text-align: center;
        min-width: auto;
        flex: none;
        width: 100%;
    }
    
    .phone {
        justify-content: center;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: block;
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }
    
    .nav-links {
        flex-direction: column;
        display: none;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--primary);
        z-index: 1000;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        width: 100%;
        min-width: auto;
    }
    
    .nav-links a {
        padding: 15px 20px;
        text-align: left;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    /* Hero */
    .hero {
        padding: 60px 0;
        background-attachment: scroll;
    }
    
    .hero-title {
        font-size: 1.6rem;
        margin-bottom: 15px;
    }
    
    .hero p {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .cta-button {
        width: 100%;
        max-width: 280px;
        padding: 12px 25px;
        font-size: 0.95rem;
    }
    
    /* Sections */
    section {
        padding: 50px 0;
    }
    
    .section-title {
        margin-bottom: 30px;
    }
    
    .section-title h2 {
        font-size: 1.6rem;
    }
    
    /* Pricing */
    .pricing-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .pricing-card {
        max-width: 320px;
        margin: 0 auto;
    }
    
    /* Accounts */
    .accounts-info-bar {
        flex-direction: column;
        text-align: center;
        padding: 15px;
        gap: 10px;
    }
    
    .accounts-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .account-card {
        max-width: 320px;
        margin: 0 auto;
    }
    
    /* Event */
    .event-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .event-pricing {
        flex-direction: column;
        gap: 15px;
    }
    
    .event-price-card {
        max-width: 280px;
        margin: 0 auto;
    }
    
    .event-image {
        order: -1;
    }
    
    /* Contact */
    .contact-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-info {
        padding: 20px;
    }
    
    .contact-form {
        padding: 25px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
    
    /* Quick Contact Bar */
    .quick-contact-bar {
        display: flex;
    }
    
    /* Mobile-only elements */
    .mobile-only {
        display: block;
    }
}

/* Small Mobile (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.4rem;
    }
    
    .section-title h2 {
        font-size: 1.4rem;
    }
    
    .price {
        font-size: 1.8rem;
    }
    
    .account-price {
        font-size: 1.3rem;
    }
    
    .event-price {
        font-size: 1.3rem;
    }
    
    .cta-button {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .notification-content {
        padding: 20px;
        margin: 0 15px;
    }
    
    .notification-buttons {
        flex-direction: column;
    }
    
    .quick-contact-item span {
        font-size: 0.7rem;
    }
}

/* Desktop Only */
@media (min-width: 768px) {
    .mobile-only {
        display: none !important;
    }
    
    .quick-contact-bar {
        display: none !important;
    }
}

/* Large Desktop (min-width: 1200px) */
@media (min-width: 1200px) {
    .container {
        padding: 0;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .hero {
        background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), 
                          url('https://images.unsplash.com/photo-1542751371-adc38448a05e?ixlib=rb-4.0.3&auto=format&fit=crop&w=2400&q=80');
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}
/* ========== BOOKING NOTIFICATION STYLES ========== */
.booking-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 350px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 9998;
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    animation: slideInRight 0.5s ease forwards;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.booking-notification:hover {
    transform: translateX(0) scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.booking-notification-content {
    color: white;
    position: relative;
}

.booking-notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.booking-notification-header i {
    font-size: 1.2rem;
    color: #ffd700;
    margin-right: 10px;
}

.booking-notification-header span {
    font-weight: 600;
    font-size: 0.95rem;
    flex: 1;
}

.close-booking-notification {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-booking-notification:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.booking-notification-body {
    padding: 20px;
}

.booking-message {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 10px;
}

.booking-message strong {
    color: #ffd700;
}

.booking-time {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.8);
}

.booking-time i {
    font-size: 0.8rem;
}

.booking-notification-footer {
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.1);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-booking-action {
    flex: 2;
    background: #ff6b00;
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-booking-action:hover {
    background: #ff5500;
    transform: translateY(-2px);
}

.btn-booking-secondary {
    flex: 1;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-booking-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Mobile responsive */
@media (max-width: 768px) {
    .booking-notification {
        width: calc(100% - 40px);
        max-width: 320px;
        right: 20px;
        left: auto;
        bottom: 80px; /* Trên quick contact bar */
    }
    
    .booking-notification:hover {
        transform: translateX(0);
    }
    
    .booking-notification-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .booking-notification {
        width: calc(100% - 30px);
        max-width: none;
        bottom: 70px;
    }
    
    .booking-notification-header {
        padding: 12px 15px;
    }
    
    .booking-notification-body {
        padding: 15px;
    }
    
    .booking-notification-footer {
        padding: 12px 15px;
    }
}

/* Animation for new notification */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 107, 0, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 107, 0, 0);
    }
}

.booking-notification:last-child {
    animation: pulse 2s infinite;
}

/* Sound notification dot */
.booking-notification-header::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 20px;
    width: 8px;
    height: 8px;
    background: #ff4757;
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
}

/* Stack multiple notifications */
.booking-notification:nth-last-child(2) {
    bottom: 100px;
    z-index: 9997;
    opacity: 0.9;
    transform: scale(0.95);
}

.booking-notification:nth-last-child(3) {
    bottom: 180px;
    z-index: 9996;
    opacity: 0.8;
    transform: scale(0.9);
}

/* Auto-hide animation */
.booking-notification.hiding {
    animation: slideOutRight 0.3s ease forwards;
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}