/* Reset and 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;
    color: #333;
    background-color: #fff;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #1d4ed8;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    color: white;
}

.btn-secondary {
    background-color: #64748b;
    color: white;
}

.btn-secondary:hover {
    background-color: #475569;
    color: white;
}

.btn-outline {
    background-color: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background-color: #2563eb;
    color: white;
}

.cta-button {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* Header and Navigation */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
}

.nav-logo img {
    width: 40px;
    height: 40px;
}

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

.nav-menu a {
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #2563eb;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #64748b;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    z-index: -2;
}

.hero-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: block;
}

/* About Section */
.about {
    background-color: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.stat h3 {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat p {
    color: #64748b;
    margin: 0;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.15);
}

.service-card i {
    font-size: 3rem;
    color: #2563eb;
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: #1e293b;
}

.service-card p {
    color: #64748b;
    margin-bottom: 20px;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

/* Testimonials Section */
.testimonials {
    background-color: #f8fafc;
}

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

.testimonial {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.stars {
    display: flex;
    gap: 5px;
    margin-bottom: 15px;
}

.stars i {
    color: #fbbf24;
}

.testimonial p {
    font-style: italic;
    color: #64748b;
    margin-bottom: 15px;
}

.author {
    font-weight: 600;
    color: #1e293b;
}

/* Newsletter Section */
.newsletter {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.newsletter-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.newsletter p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    gap: 15px;
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

.newsletter-form button {
    padding: 15px 25px;
    background-color: #1e293b;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.newsletter-form button:hover {
    background-color: #334155;
}

/* Blog Preview Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.blog-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-icon {
    font-size: 2rem;
    color: #2563eb;
    margin-bottom: 15px;
}

.blog-card h3 a {
    color: #1e293b;
    text-decoration: none;
}

.blog-card h3 a:hover {
    color: #2563eb;
}

.blog-meta {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: #64748b;
    margin-top: 15px;
}

.blog-cta {
    text-align: center;
    margin-top: 40px;
}

/* Contact Section */
.contact {
    background-color: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: grid;
    gap: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item i {
    font-size: 1.5rem;
    color: #2563eb;
    margin-top: 5px;
}

.contact-item h3 {
    margin-bottom: 5px;
    color: #1e293b;
}

.contact-item p {
    color: #64748b;
    margin: 0;
}

.contact-form {
    display: grid;
    gap: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
}

/* Footer */
footer {
    background-color: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-logo img {
    width: 40px;
    height: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    color: white;
}

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

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

.footer-section ul li a {
    color: #94a3b8;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #334155;
    border-radius: 50%;
    color: white;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: #2563eb;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #1e293b;
    color: white;
    padding: 20px;
    z-index: 10000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

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

.cookie-buttons {
    display: flex;
    gap: 10px;
}

.cookie-buttons .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* Cookie Modal */
.cookie-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10001;
}

.cookie-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 10px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
}

.close {
    font-size: 2rem;
    cursor: pointer;
    color: #64748b;
}

.close:hover {
    color: #1e293b;
}

.modal-body {
    padding: 20px;
}

.cookie-category {
    margin-bottom: 20px;
    padding: 15px;
    border: 1px solid #e5e7eb;
    border-radius: 5px;
}

.cookie-category h3 {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #2563eb;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

input:disabled + .slider {
    opacity: 0.6;
    cursor: not-allowed;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid #e5e7eb;
    text-align: right;
}

/* Thank You Page */
.thank-you {
    padding: 120px 0;
    text-align: center;
    background-color: #f8fafc;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.thank-you-content {
    max-width: 600px;
    margin: 0 auto;
}

.thank-you-icon {
    font-size: 5rem;
    color: #10b981;
    margin-bottom: 30px;
}

.thank-you h1 {
    color: #1e293b;
    margin-bottom: 20px;
}

.thank-you p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 20px;
}

.thank-you-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 40px 0;
}

.contact-info-brief {
    margin-top: 40px;
    padding: 30px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.contact-info-brief h3 {
    margin-bottom: 20px;
    color: #1e293b;
}

.contact-info-brief .contact-item {
    justify-content: center;
    margin-bottom: 10px;
}

/* Blog Pages */
.blog-header {
    padding: 120px 0 60px;
    background-color: #f8fafc;
    text-align: center;
}

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

.blog-content .container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.blog-articles {
    display: grid;
    gap: 40px;
}

.blog-article-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.blog-article-card:hover {
    transform: translateY(-5px);
}

.article-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.article-icon {
    font-size: 1.5rem;
    color: #2563eb;
}

.article-meta {
    display: flex;
    gap: 10px;
    font-size: 0.9rem;
    color: #64748b;
    align-items: center;
}

.article-tags {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    background-color: #e0e7ff;
    color: #3730a3;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.read-more {
    color: #2563eb;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 15px;
}

.read-more:hover {
    gap: 10px;
}

.blog-sidebar {
    display: grid;
    gap: 40px;
}

.sidebar-widget {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
}

.sidebar-widget h3 {
    margin-bottom: 20px;
    color: #1e293b;
}

.topic-list {
    list-style: none;
}

.topic-list li {
    margin-bottom: 10px;
}

.topic-list a {
    color: #64748b;
    transition: color 0.3s ease;
}

.topic-list a:hover {
    color: #2563eb;
}

.sidebar-newsletter-form {
    display: grid;
    gap: 15px;
}

.sidebar-newsletter-form input {
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 5px;
}

/* Individual Article Pages */
.blog-article {
    padding: 120px 0;
}

.breadcrumb {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #64748b;
}

.breadcrumb a {
    color: #2563eb;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-intro {
    background: linear-gradient(135deg, #e0e7ff, #f0f9ff);
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
    display: flex;
    align-items: center;
    gap: 20px;
}

.article-intro-icon {
    font-size: 3rem;
    color: #2563eb;
    flex-shrink: 0;
}

.tip-box, .info-box, .warning-box, .cta-box {
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.tip-box {
    background-color: #f0fdf4;
    border-left: 4px solid #10b981;
}

.info-box {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
}

.warning-box {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.cta-box {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
    text-align: center;
}

.cta-box h3 {
    color: white;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 20px;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.comparison-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: #1e293b;
}

.author-bio {
    display: flex;
    gap: 20px;
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    margin: 40px 0;
}

.author-avatar {
    font-size: 4rem;
    color: #2563eb;
}

.author-info h3 {
    margin-bottom: 10px;
    color: #1e293b;
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    margin: 40px 0;
}

.share-buttons {
    text-align: center;
    margin: 40px 0;
}

.share-links {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 15px;
}

.share-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: #f1f5f9;
    border-radius: 50%;
    color: #64748b;
    transition: all 0.3s ease;
}

.share-links a:hover {
    background-color: #2563eb;
    color: white;
}

/* Legal Pages */
.legal-page {
    padding: 120px 0;
}

.legal-header {
    text-align: center;
    margin-bottom: 60px;
}

.last-updated {
    color: #64748b;
    font-size: 0.9rem;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.legal-content h2 {
    color: #1e293b;
    margin-top: 40px;
    margin-bottom: 20px;
}

.legal-content h3 {
    color: #334155;
    margin-top: 30px;
    margin-bottom: 15px;
}

.legal-content ul, .legal-content ol {
    margin-left: 30px;
    margin-bottom: 20px;
}

.legal-content li {
    margin-bottom: 10px;
}

.contact-info {
    background: #f8fafc;
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.legal-notice {
    background: #fef3c7;
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
    border-left: 4px solid #f59e0b;
}

/* Cookie Policy Specific Styles */
.cookie-category {
    background: #f8fafc;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.cookie-table table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.cookie-table th,
.cookie-table td {
    padding: 12px;
    text-align: left;
    border: 1px solid #e5e7eb;
}

.cookie-table th {
    background-color: #f8fafc;
    font-weight: 600;
}

.cookie-settings-button {
    text-align: center;
    margin: 30px 0;
}

.browser-instructions {
    margin: 30px 0;
}

.browser-instructions h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #1e293b;
    margin: 25px 0 15px;
}

.consequences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.consequence-item {
    background: #f8fafc;
    padding: 20px;
    border-radius: 10px;
}

.consequence-item h4 {
    color: #1e293b;
    margin-bottom: 10px;
}

/* Article Specific Styles */
.table-of-contents {
    background: #f8fafc;
    padding: 25px;
    border-radius: 10px;
    margin: 30px 0;
}

.table-of-contents ul {
    list-style: none;
    margin-left: 0;
}

.table-of-contents li {
    margin-bottom: 8px;
}

.table-of-contents a {
    color: #2563eb;
    text-decoration: none;
}

.table-of-contents a:hover {
    text-decoration: underline;
}

.deduction-item {
    margin: 40px 0;
    padding: 30px 0;
    border-bottom: 1px solid #e5e7eb;
}

.deduction-item:last-child {
    border-bottom: none;
}

.number {
    background: #2563eb;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 15px;
}

.calculation-box, .calculation-example {
    background: #f0f9ff;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border-left: 4px solid #3b82f6;
}

.example-box {
    background: #f0fdf4;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border-left: 4px solid #10b981;
}

.vat-rates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.vat-rate-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.vat-rate-card h3 {
    color: #2563eb;
    margin-bottom: 15px;
}

.reporting-periods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.period-card {
    background: #f8fafc;
    padding: 25px;
    border-radius: 10px;
    border: 2px solid #e5e7eb;
}

.period-card h4 {
    color: #1e293b;
    margin-bottom: 15px;
}

.example-scenario {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.1);
    margin: 30px 0;
}

.mistake-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.mistake-item {
    background: #fef2f2;
    padding: 25px;
    border-radius: 10px;
    border-left: 4px solid #ef4444;
}

.mistake-item h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #dc2626;
    margin-bottom: 15px;
}

.best-practices {
    background: #f0fdf4;
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
    border-left: 4px solid #10b981;
}

.action-steps {
    background: #f8fafc;
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
}

.formula-box {
    background: #eff6ff;
    padding: 25px;
    border-radius: 10px;
    margin: 20px 0;
    border: 2px solid #3b82f6;
}

.formula-box .note {
    font-style: italic;
    color: #1d4ed8;
    margin-top: 15px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .blog-content .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 10px 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .thank-you-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .article-navigation {
        flex-direction: column;
        gap: 20px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .vat-rates {
        grid-template-columns: 1fr;
    }
    
    .reporting-periods {
        grid-template-columns: 1fr;
    }
    
    .mistake-grid {
        grid-template-columns: 1fr;
    }
    
    .consequences-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    section {
        padding: 60px 0;
    }
    
    .service-card,
    .testimonial,
    .blog-card {
        padding: 25px 20px;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .author-bio {
        flex-direction: column;
        text-align: center;
    }
    
    .share-links {
        flex-wrap: wrap;
    }
}

/* Print Styles */
@media print {
    .cookie-banner,
    .cookie-modal,
    header,
    footer,
    .share-buttons,
    .article-navigation {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .blog-article {
        padding: 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .btn-primary {
        border: 2px solid #000;
    }
    
    .service-card,
    .testimonial,
    .blog-card {
        border: 1px solid #000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}