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

:root {
    /* Energy Theme Colors */
    --primary-green: #2e7d32;
    --secondary-green: #4caf50;
    --light-green: #81c784;
    --energy-blue: #1976d2;
    --solar-yellow: #ffc107;
    --wind-cyan: #00bcd4;
    --dark-grey: #212121;
    --medium-grey: #757575;
    --light-grey: #f5f5f5;
    --white: #ffffff;
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-grey);
    background-color: var(--white);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.hidden {
    display: none;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-medium);
    font-size: var(--font-size-base);
}

.btn-primary {
    background-color: var(--primary-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--secondary-green);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--energy-blue);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #1565c0;
}

.btn-tertiary {
    background-color: var(--medium-grey);
    color: var(--white);
}

.btn-tertiary:hover {
    background-color: var(--dark-grey);
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* Cookie Consent */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-grey);
    color: var(--white);
    padding: var(--spacing-sm);
    z-index: 1000;
    transform: translateY(100%);
    transition: var(--transition-medium);
}

.cookie-consent:not(.hidden) {
    transform: translateY(0);
}

.cookie-consent-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-sm);
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-grey);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-green);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--dark-grey);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--primary-green) 100%);
    padding: var(--spacing-xl) 0;
    display: flex;
    align-items: center;
    min-height: 70vh;
        padding: 100px;
}

.hero-content {
    flex: 1;
    color: var(--white);
    padding-right: var(--spacing-lg);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero-visual {
    flex: 1;
    text-align: center;
}

.hero-img {
    max-width: 100%;
    height: auto;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-grey);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--medium-grey);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background-color: var(--light-grey);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat {
    text-align: center;
    padding: var(--spacing-sm);
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.stat h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.stat p {
    color: var(--medium-grey);
    font-size: 0.875rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: var(--transition-medium);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.service-icon {
    margin-bottom: var(--spacing-sm);
}

.service-img {
    width: 80px;
    height: 80px;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-grey);
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--medium-grey);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    background-color: var(--light-grey);
}

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

.testimonial-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.testimonial-content {
    margin-bottom: var(--spacing-sm);
}

.testimonial-content p {
    font-style: italic;
    color: var(--medium-grey);
    line-height: 1.6;
}

.testimonial-author h4 {
    color: var(--dark-grey);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.testimonial-author p {
    color: var(--medium-grey);
    font-size: 0.875rem;
}

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

.blog-card {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: var(--transition-medium);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-content {
    padding: var(--spacing-sm);
}

.blog-title {
    margin-bottom: var(--spacing-xs);
}

.blog-title a {
    text-decoration: none;
    color: var(--dark-grey);
    font-weight: 600;
    font-size: 1.125rem;
}

.blog-title a:hover {
    color: var(--primary-green);
}

.blog-excerpt {
    color: var(--medium-grey);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.blog-meta {
    border-top: 1px solid #eee;
    padding-top: var(--spacing-xs);
}

.blog-date {
    color: var(--medium-grey);
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    background-color: var(--light-grey);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item h3 {
    color: var(--primary-green);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    color: var(--medium-grey);
    line-height: 1.6;
}

.contact-item a {
    color: var(--medium-grey);
    text-decoration: none;
}

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

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--dark-grey);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 2px rgba(46, 125, 50, 0.1);
}

/* Footer */
.footer {
    background-color: var(--dark-grey);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-sm) 0;
}

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

.footer-section h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-green);
}

.footer-logo-img {
    height: 35px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition-fast);
}

.social-links a:hover .social-icon {
    transform: scale(1.1);
}

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--secondary-green);
}

.footer-contact p {
    margin-bottom: var(--spacing-xs);
}

.footer-contact a {
    color: var(--white);
    text-decoration: none;
}

.footer-contact a:hover {
    color: var(--secondary-green);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: var(--spacing-sm);
    text-align: center;
    color: var(--medium-grey);
}

/* Legal Pages Styling */
.legal-page {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-grey);
}

.legal-content {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    line-height: 1.7;
}

.legal-content h1 {
    color: var(--primary-green);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--light-green);
}

.legal-content h2 {
    color: var(--dark-grey);
    font-size: 1.5rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.legal-content h3 {
    color: var(--dark-grey);
    font-size: 1.25rem;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.legal-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-grey);
}

.legal-content ul, .legal-content ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.legal-content li {
    margin-bottom: var(--spacing-xs);
    color: var(--dark-grey);
}

.legal-content strong {
    color: var(--primary-green);
}

.legal-nav {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.breadcrumb {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--medium-grey);
}

.breadcrumb a {
    color: var(--primary-green);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

/* Cookie Table Styling */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-sm) 0;
    background-color: var(--white);
}

.cookie-table th,
.cookie-table td {
    border: 1px solid #ddd;
    padding: var(--spacing-xs);
    text-align: left;
}

.cookie-table th {
    background-color: var(--light-green);
    color: var(--white);
    font-weight: 600;
}

.cookie-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

.cookie-settings-section {
    background-color: var(--light-grey);
    padding: var(--spacing-sm);
    border-radius: 8px;
    margin: var(--spacing-sm) 0;
    text-align: center;
}

/* Blog Article Styling */
.blog-article {
    padding: var(--spacing-xl) 0;
    background-color: var(--light-grey);
}

.article-header {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: var(--spacing-lg);
}

.article-featured-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.article-meta {
    padding: var(--spacing-md);
}

.article-title {
    font-size: 2.5rem;
    color: var(--dark-grey);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.article-info {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    color: var(--medium-grey);
    font-size: 0.875rem;
}

.article-info span {
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: var(--light-grey);
    border-radius: 20px;
}

.article-content {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.article-lead {
    font-size: 1.25rem;
    color: var(--medium-grey);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: var(--light-grey);
    border-radius: 8px;
    border-left: 4px solid var(--primary-green);
}

.article-content h2 {
    color: var(--primary-green);
    font-size: 1.75rem;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--light-green);
}

.article-content h3 {
    color: var(--dark-grey);
    font-size: 1.25rem;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.article-content p {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-grey);
}

.article-content ul, .article-content ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

.article-content li {
    margin-bottom: var(--spacing-xs);
    color: var(--dark-grey);
}

.article-cta {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--primary-green) 100%);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.article-cta h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.article-cta p {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
    color: var(--white);
}

.article-nav {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.related-articles {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: var(--spacing-lg);
}

.related-articles h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
}

.related-card {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-medium);
}

.related-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.related-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.related-card-content {
    padding: var(--spacing-sm);
}

.related-card h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--dark-grey);
    font-size: 0.875rem;
    line-height: 1.3;
}

.related-card h4 a {
    text-decoration: none;
    color: inherit;
}

.related-card h4 a:hover {
    color: var(--primary-green);
}

.related-card p {
    font-size: 0.75rem;
    color: var(--medium-grey);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        position: relative;
        padding: var(--spacing-sm) var(--spacing-sm);
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-lg);
        transition: var(--transition-medium);
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        z-index: 998;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1000;
        position: relative;
    }
    
    .nav-link {
        padding: var(--spacing-sm) 0;
        font-size: 1.125rem;
        width: 100%;
        text-align: center;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg) 0;
        min-height: 60vh;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: var(--spacing-md);
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .about-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat {
        flex: 1;
        min-width: 120px;
        margin: var(--spacing-xs);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .contact-info {
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .cookie-consent-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-xs);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }
}

/* Thanks Page Styles */
.thanks-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--light-green) 0%, var(--primary-green) 100%);
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.thanks-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.thanks-visual {
    text-align: center;
}

.thanks-img {
    max-width: 100%;
    height: auto;
    opacity: 0.8;
}

.thanks-text {
    color: var(--white);
}

.thanks-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.thanks-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.thanks-info {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.8;
}

.thanks-info a {
    color: var(--white);
    text-decoration: underline;
}

.thanks-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .thanks-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .thanks-title {
        font-size: 2rem;
    }
    
    .thanks-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .thanks-title {
        font-size: 1.75rem;
    }
    
    .thanks-actions {
        flex-direction: column;
    }
}