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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 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;
    margin-bottom: 1rem;
    color: #2c3e50;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    margin-top: 2rem;
}

h3 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background-color: #7f8c8d;
}

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

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

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

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

.navbar {
    padding: 1rem 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: auto;
}

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

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

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

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 3rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

.services h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

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

.service-icon {
    height: 60px;
    width: 60px;
    margin-bottom: 1rem;
}

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

/* Comparison Section */
.comparison {
    padding: 80px 0;
}

.comparison h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.comparison-header {
    background-color: #3498db;
    color: white;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    font-weight: 600;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    border-bottom: 1px solid #ecf0f1;
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-cell {
    padding: 1rem;
    text-align: center;
}

.stars {
    display: flex;
    justify-content: center;
    gap: 2px;
}

.stars img {
    height: 16px;
    width: 16px;
}

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

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

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

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.feature-icon {
    height: 20px;
    width: 20px;
}

.about-image {
    text-align: center;
}

.about-icon {
    height: 200px;
    width: 200px;
    opacity: 0.8;
}

/* Reviews Section */
.reviews {
    padding: 80px 0;
}

.reviews h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

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

.review-stars {
    display: flex;
    gap: 2px;
    margin-bottom: 1rem;
}

.review-stars img {
    height: 16px;
    width: 16px;
}

.review-author {
    font-weight: 600;
    color: #7f8c8d;
    margin-top: 1rem;
}

/* Newsletter Section */
.newsletter {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.newsletter h2 {
    color: white;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.newsletter-form input {
    flex: 1;
    max-width: 300px;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
}

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

.contact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.contact-item {
    margin-bottom: 2rem;
}

.contact-item strong {
    color: #2c3e50;
}

.social-links {
    margin-top: 2rem;
}

.social-links a {
    margin-right: 1rem;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.contact-form {
    background: 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;
    font-weight: 500;
    color: #2c3e50;
}

.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;
}

/* Footer */
.footer {
    background-color: #2c3e50;
    color: white;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

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

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

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

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

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

.cookie-settings-btn {
    background: none;
    border: 1px solid #bdc3c7;
    color: #bdc3c7;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.cookie-settings-btn:hover {
    background-color: #bdc3c7;
    color: #2c3e50;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    z-index: 9999;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.cookie-banner.hidden {
    display: none;
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
}

.cookie-modal.show {
    display: flex;
}

.cookie-modal-content {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    max-width: 500px;
    width: 90%;
}

.cookie-category {
    margin-bottom: 1rem;
}

.cookie-category label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
}

.cookie-category input[type="checkbox"] {
    margin-top: 4px;
}

.cookie-category span {
    font-size: 0.9rem;
    color: #666;
}

.cookie-modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Thanks Page */
.thanks-section {
    padding: 120px 0;
    text-align: center;
}

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

.thanks-icon {
    height: 80px;
    width: 80px;
    margin-bottom: 2rem;
    color: #27ae60;
}

.thanks-actions {
    margin-top: 2rem;
}

.thanks-actions .btn {
    margin: 0 0.5rem;
}

/* Legal Pages */
.legal-content {
    padding: 80px 0;
    max-width: 800px;
    margin: 0 auto;
}

.legal-intro {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.legal-content ul {
    margin-bottom: 1rem;
    padding-left: 2rem;
}

.legal-content li {
    margin-bottom: 0.5rem;
}

.legal-date {
    margin-top: 3rem;
    font-size: 1rem;
    color: #666;
}

/* Cookie Policy Specific */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

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

.cookie-table th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.cookie-settings-section {
    margin: 3rem 0;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 10px;
    text-align: center;
}

/* Blog Pages */
.blog-header {
    padding: 80px 0;
    background-color: #f8f9fa;
    text-align: center;
}

.blog-content {
    padding: 80px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease;
}

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

.blog-card-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blog-icon {
    height: 40px;
    width: 40px;
}

.blog-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
}

.blog-date,
.blog-category {
    font-size: 0.9rem;
    color: #666;
}

.blog-category {
    background-color: #3498db;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
}

.blog-card h2 {
    padding: 0 1.5rem;
    margin-bottom: 1rem;
}

.blog-card h2 a {
    text-decoration: none;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.blog-card h2 a:hover {
    color: #3498db;
}

.blog-card p {
    padding: 0 1.5rem;
    color: #666;
    margin-bottom: 1.5rem;
}

.read-more {
    display: block;
    padding: 1rem 1.5rem;
    background-color: #f8f9fa;
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.read-more:hover {
    background-color: #3498db;
    color: white;
}

/* Article Pages */
.article-content {
    padding: 40px 0 80px;
}

.article-header {
    margin-bottom: 3rem;
}

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

.breadcrumb a {
    color: #3498db;
    text-decoration: none;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.author-icon {
    height: 24px;
    width: 24px;
}

.article-date,
.article-category,
.reading-time {
    font-size: 0.9rem;
    color: #666;
}

.article-category {
    background-color: #3498db;
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
}

.article-body {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.article-intro {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-left: 4px solid #3498db;
    border-radius: 0 5px 5px 0;
}

.article-body ul {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

/* Tip Box */
.tip-box {
    background-color: #e8f4f8;
    border: 1px solid #3498db;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 2rem 0;
    display: flex;
    gap: 1rem;
}

.tip-icon {
    height: 24px;
    width: 24px;
    flex-shrink: 0;
    margin-top: 4px;
}

.tip-content h4 {
    color: #2980b9;
    margin-bottom: 0.5rem;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    margin: 3rem 0;
}

.cta-box h3 {
    color: white;
    margin-bottom: 1rem;
}

.cta-box .btn {
    margin-top: 1rem;
}

/* Article Footer */
.article-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid #ecf0f1;
}

.article-tags {
    margin-bottom: 2rem;
}

.tag {
    display: inline-block;
    background-color: #ecf0f1;
    color: #666;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.article-navigation {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Related Articles */
.related-articles {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.related-articles h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.related-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.related-icon {
    height: 40px;
    width: 40px;
    margin-bottom: 1rem;
}

.related-card h3 a {
    text-decoration: none;
    color: #2c3e50;
}

.related-card h3 a:hover {
    color: #3498db;
}

/* Specific Article Elements */
.price-comparison {
    background-color: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.price-details {
    margin-bottom: 1rem;
}

.price-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.pros h4 {
    color: #27ae60;
}

.cons h4 {
    color: #e74c3c;
}

.comparison-chart {
    margin: 2rem 0;
}

.chart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.chart-item.best {
    background-color: #d5f4e6;
    border: 2px solid #27ae60;
}

.chart-item.worst {
    background-color: #fadbd8;
    border: 2px solid #e74c3c;
}

.rank {
    font-weight: bold;
    font-size: 1.2rem;
    color: #2c3e50;
}

.provider {
    flex: 1;
    font-weight: 600;
}

.price {
    font-weight: bold;
    color: #2c3e50;
}

.savings {
    color: #27ae60;
    font-weight: 500;
}

/* Energy Savings Tips */
.tip-detail {
    display: flex;
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.tip-number {
    background-color: #3498db;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.tip-content {
    flex: 1;
}

.quick-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.quick-tip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: #e8f4f8;
    border-radius: 8px;
}

.check-icon {
    height: 20px;
    width: 20px;
    color: #27ae60;
}

.modernization-plan {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.phase {
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.phase h4 {
    color: #2980b9;
    margin-bottom: 1rem;
}

/* Liberalization Article Elements */
.timeline {
    margin: 2rem 0;
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.timeline-year {
    background-color: #3498db;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: bold;
    white-space: nowrap;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.market-players {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.player {
    text-align: center;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 10px;
}

.player-icon {
    height: 50px;
    width: 50px;
    margin-bottom: 1rem;
}

.protection-measures {
    margin: 2rem 0;
}

.measure {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.measure-icon {
    height: 24px;
    width: 24px;
    color: #27ae60;
    flex-shrink: 0;
    margin-top: 4px;
}

.measure-content {
    flex: 1;
}

.step-detail {
    margin: 1rem 0;
    padding: 1rem;
    background-color: #e8f4f8;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.faq-section {
    margin: 2rem 0;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.faq-item h4 {
    color: #2980b9;
    margin-bottom: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        padding: 1rem 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .cookie-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-buttons {
        justify-content: center;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .comparison-cell {
        padding: 0.5rem 1rem;
        border-bottom: 1px solid #ecf0f1;
    }

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

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

    .newsletter-form {
        flex-direction: column;
        align-items: center;
    }

    .newsletter-form input {
        max-width: 100%;
        margin-bottom: 1rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }

    .article-navigation {
        flex-direction: column;
    }

    .price-pros-cons {
        grid-template-columns: 1fr;
    }

    .chart-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .tip-detail {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline-item {
        flex-direction: column;
        gap: 1rem;
    }

    .timeline-year {
        align-self: flex-start;
    }

    .measure {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 80px 0;
    }

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

    .services,
    .comparison,
    .about,
    .reviews,
    .newsletter,
    .contact {
        padding: 60px 0;
    }

    .services-grid,
    .reviews-grid,
    .blog-grid,
    .related-grid {
        grid-template-columns: 1fr;
    }

    .quick-tips {
        grid-template-columns: 1fr;
    }

    .modernization-plan {
        grid-template-columns: 1fr;
    }

    .market-players {
        grid-template-columns: 1fr;
    }
}