/* Reset và Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    color: #2c3e50;
}

h2 {
    font-size: 2rem;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 3rem;
}

h3 {
    font-size: 1.5rem;
    color: #34495e;
}

p {
    margin-bottom: 1rem;
    color: #666;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-secondary:hover {
    background-color: #3498db;
    color: white;
    transform: translateY(-2px);
}

/* Header */
.header {
    background-color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
}

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

.nav-menu a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: #3498db;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3498db;
    transition: width 0.3s ease;
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: white;
    color: #333;
    font-size: 0.9rem;
    cursor: pointer;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #2c3e50;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 100px 0 60px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="%23ffffff" opacity="0.1"><polygon points="1000,100 1000,0 0,100"/></svg>') no-repeat;
    background-size: cover;
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 600px;
    animation: fadeInLeft 0.8s ease-out;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    font-weight: 700;
}

.hero p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    color: #555;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 0.8s ease-out 0.2s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: translateY(-5px);
}

/* About Section */
.about {
    padding: 80px 0;
    background-color: #ffffff;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-features {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.feature h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Services Section */
.services {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.services-header {
    text-align: center;
    margin-bottom: 3rem;
}

.services h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.services-subtitle {
    color: #666;
    font-size: 1.1rem;
    margin-bottom: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: left;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(45deg, #3498db, #2980b9);
    transition: width 0.3s ease;
}

.service-card:hover::before {
    width: 6px;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card > p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.service-details {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.service-details ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.service-details li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.5;
    transition: color 0.3s ease;
}

.service-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.5rem;
    color: #3498db;
    font-weight: bold;
    font-size: 0.9rem;
}

.service-details li:hover {
    color: #2c3e50;
}

.service-card:hover .service-details li::before {
    color: #2980b9;
}

/* Privacy Section */
.privacy {
    padding: 80px 0;
    background-color: #ffffff;
}

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

.privacy-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.privacy-section h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2rem;
    min-width: 60px;
    text-align: center;
}

.contact-item h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #666;
    margin: 0;
}

.contact-form {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Form Security and Validation Styles */
.form-group input.error,
.form-group textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.2);
}

.error-message {
    display: none;
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    font-weight: 500;
}

.character-count {
    text-align: right;
    font-size: 0.875rem;
    color: #7f8c8d;
    margin-top: 0.25rem;
}

.character-count.warning {
    color: #f39c12;
}

.character-count.error {
    color: #e74c3c;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

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

/* Security indicators */
.security-indicator {
    display: inline-flex;
    align-items: center;
    font-size: 0.875rem;
    color: #27ae60;
    margin-top: 0.5rem;
}

.security-indicator::before {
    content: "🔒";
    margin-right: 0.25rem;
}

/* Rate limit warning */
.rate-limit-warning {
    background-color: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

/* Honeypot field (hidden) */
input[name="botcheck"] {
    position: absolute !important;
    left: -9999px !important;
    top: -9999px !important;
    visibility: hidden !important;
    opacity: 0 !important;
    pointer-events: none !important;
    tab-index: -1 !important;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: white;
    margin-bottom: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo .logo-text {
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: #ecf0f1;
}

.social-links a svg {
    width: 24px;
    height: 24px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* Specific colors for each social platform */
.social-zalo:hover {
    background: #0084ff;
    color: white;
}

.social-whatsapp:hover {
    background: #25d366;
    color: white;
}

.social-messenger:hover {
    background: #0084ff;
    color: white;
}

.social-phone:hover {
    background: #34c759;
    color: white;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
}

/* Large Desktop */
@media (min-width: 1400px) {
    .hero-content {
        max-width: 1400px;
        gap: 4rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero p {
        font-size: 1.3rem;
    }
    
    .hero-image img {
        max-width: 600px;
    }
}

/* Tablet Design */
@media (max-width: 1024px) and (min-width: 769px) {
    .hero {
        padding: 90px 0 50px;
    }
    
    .hero-content {
        gap: 2.5rem;
        padding: 0 30px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1.05rem;
    }
    
    .hero-image img {
        max-width: 400px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .about-content {
        gap: 3rem;
    }
    
    .contact-content {
        gap: 3rem;
    }
}

/* Mobile Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 15px;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    
    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        gap: 0.8rem;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .hero-image {
        order: -1;
        margin-bottom: 1rem;
    }
    
    .hero-image img {
        max-width: 350px;
        border-radius: 10px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .service-icon {
        font-size: 2rem;
    }
    
    .service-card h3 {
        font-size: 1.2rem;
    }
    
    .service-details li {
        font-size: 0.9rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 70px 0 30px;
    }
    
    .hero-content {
        padding: 0 10px;
        gap: 1.5rem;
    }
    
    .hero h1 {
        font-size: 1.8rem;
        line-height: 1.2;
    }
    
    .hero p {
        font-size: 0.95rem;
        margin-bottom: 1.2rem;
    }
    
    .hero-buttons {
        max-width: 280px;
    }
    
    .hero-buttons .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .hero-image img {
        max-width: 280px;
        border-radius: 8px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .about,
    .services,
    .privacy,
    .contact {
        padding: 60px 0;
    }

    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Smooth transitions for language switching */
[data-lang-key] {
    transition: opacity 0.3s ease;
}

.lang-switching [data-lang-key] {
    opacity: 0.7;
}

/* Logo Link Styles */
.nav-logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.nav-logo a:hover .logo-text {
    color: #3498db;
}

/* Active Navigation Link */
.nav-menu a.active {
    color: #3498db;
}

.nav-menu a.active::after {
    width: 100%;
}

/* Breadcrumb Styles */
.breadcrumb {
    background-color: #f8f9fa;
    padding: 20px 0;
    margin-top: 80px;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
    margin: 0;
    padding: 0;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '›';
    margin-left: 10px;
    color: #666;
    font-weight: bold;
}

.breadcrumb-list a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-list a:hover {
    color: #2980b9;
}

.breadcrumb-list li[aria-current="page"] {
    color: #666;
    font-weight: 500;
}

/* Privacy Page Styles */
.privacy-page {
    padding-top: 80px;
}

.privacy-content {
    padding: 40px 0 80px;
}

.privacy-header {
    text-align: center;
    margin-bottom: 3rem;
}

.privacy-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.privacy-updated {
    color: #666;
    font-style: italic;
    font-size: 0.9rem;
}

.privacy-body {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #3498db;
}

.privacy-section h2 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: left;
}

.privacy-section h3 {
    color: #34495e;
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem 0;
}

.privacy-section p {
    line-height: 1.7;
    margin-bottom: 1rem;
}

.privacy-section ul {
    margin: 1rem 0;
    padding-left: 2rem;
}

.privacy-section li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.privacy-subsection {
    margin-top: 1.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 5px;
}

.contact-details {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 1rem;
}

.contact-details p {
    margin-bottom: 0.5rem;
}

.privacy-commitment {
    background-color: #e8f5e8;
    padding: 1rem;
    border-left: 4px solid #27ae60;
    border-radius: 5px;
    margin: 1rem 0;
}

.privacy-commitment strong {
    color: #27ae60;
}

.social-contacts {
    margin-top: 0.5rem;
}

.social-contacts p {
    margin: 0.3rem 0;
    font-size: 0.9rem;
    color: #555;
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 10000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    max-width: 400px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background-color: #27ae60;
}

.notification.error {
    background-color: #e74c3c;
}

.notification.info {
    background-color: #3498db;
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

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

/* Error Page Styles */
.error-page {
    padding-top: 80px;
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.error-content {
    padding: 60px 0;
}

.error-container {
    text-align: center;
    margin-bottom: 4rem;
}

.error-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.error-number {
    font-size: 8rem;
    font-weight: 900;
    color: #3498db;
    line-height: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.error-icon {
    font-size: 4rem;
    margin-top: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.error-text h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.error-text p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.error-suggestions {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin: 2rem auto;
    max-width: 500px;
    text-align: left;
}

.error-suggestions h2 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
    text-align: center;
}

.error-suggestions ul {
    list-style: none;
    padding: 0;
}

.error-suggestions li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 1.5rem;
}

.error-suggestions li:last-child {
    border-bottom: none;
}

.error-suggestions li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* Quick Links */
.error-quick-links {
    margin: 4rem 0;
    text-align: center;
}

.error-quick-links h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.quick-link-card {
    background-color: white;
    padding: 1.5rem;
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

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

.quick-link-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.quick-link-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.quick-link-card p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* Search Box */
.error-search {
    background-color: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.error-search h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.search-container {
    display: flex;
    gap: 10px;
    margin-bottom: 1rem;
}

.search-container input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.search-container input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.search-results {
    text-align: left;
    margin-top: 1rem;
}

.search-result-list {
    list-style: none;
    padding: 0;
}

.search-result-list li {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 5px;
}

.search-result-list a {
    text-decoration: none;
    color: inherit;
}

.search-result-list a:hover {
    color: #3498db;
}

.search-result-list strong {
    color: #2c3e50;
    display: block;
    margin-bottom: 0.5rem;
}

.search-result-list p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
}

/* Footer Updates */
.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    text-align: center;
    color: #bdc3c7;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #3498db;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .error-number {
        font-size: 6rem;
    }
    
    .error-text h1 {
        font-size: 2rem;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .search-container {
        flex-direction: column;
    }
    
    .quick-links-grid {
        grid-template-columns: 1fr;
    }
    
    .privacy-section {
        padding: 1.5rem;
    }
    
    .privacy-header h1 {
        font-size: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .error-number {
        font-size: 4rem;
    }
    
    .error-text h1 {
        font-size: 1.5rem;
    }
    
    .privacy-section {
        padding: 1rem;
        margin-bottom: 2rem;
    }
    
    .breadcrumb {
        padding: 15px 0;
    }
}