/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #2c5aa0;
    --primary-dark: #1e3f73;
    --primary-light: #4a7bc8;
    --secondary-color: #f39c12;
    --accent-color: #27ae60;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 25px rgba(0, 0, 0, 0.15);

    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;

    /* Spacing */
    --section-padding: 80px 0;
    --container-max-width: 1200px;
    --border-radius: 8px;

    /* Transitions */
    --transition: all 0.3s ease;
}

/* Base typography */
body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--bg-white);
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 500;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

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

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background-color: var(--bg-light);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--border-color);
    color: var(--text-dark);
}

.btn-tertiary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--text-light);
}

.btn-tertiary:hover {
    background-color: var(--text-light);
    color: white;
}

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

/* Header and Navigation */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    padding: 15px 0;
}

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

.nav-brand .logo {
    height: 40px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.hero-content h1 {
    color: white;
    margin-bottom: 20px;
    font-size: 3rem;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

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

.section-header h2 {
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

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

.about-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.about-features li {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    font-weight: 500;
    color: var(--primary-color);
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* Benefits Section */
.benefits {
    background-color: var(--bg-light);
}

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

.benefit-card {
    background-color: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.benefit-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.testimonial-author strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 5px;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Blog Section */
.blog {
    background-color: var(--bg-light);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 25px;
}

.blog-content h3 {
    margin-bottom: 10px;
}

.blog-content h3 a {
    color: var(--text-dark);
}

.blog-content h3 a:hover {
    color: var(--primary-color);
}

.blog-date {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-info {
    background-color: var(--bg-light);
    padding: 40px;
    border-radius: var(--border-radius);
}

.contact-item {
    margin-bottom: 30px;
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.contact-item p {
    margin: 0;
}

.contact-item a {
    color: var(--text-dark);
}

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

/* Forms */
.contact-form {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.form-privacy {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 15px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 20px;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

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

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 20px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

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

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--text-dark);
    color: white;
    padding: 20px;
    z-index: 1001;
    transform: translateY(100%);
    transition: var(--transition);
}

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

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.cookie-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
}

.cookie-content a {
    color: var(--secondary-color);
}

.cookie-buttons {
    display: flex;
    gap: 15px;
}

.cookie-buttons .btn {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1002;
    display: none;
    align-items: center;
    justify-content: center;
}

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

.cookie-modal-content {
    background-color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-modal-content h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.cookie-option {
    margin-bottom: 15px;
}

.cookie-option label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.cookie-option input[type="checkbox"] {
    width: auto;
}

.cookie-modal-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

/* Legal Content */
.legal-content {
    padding: 120px 0 80px;
    background-color: var(--bg-light);
}

.legal-content .container {
    max-width: 800px;
}

.legal-content h1 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.last-updated {
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 40px;
}

.legal-content h2 {
    color: var(--primary-color);
    margin-top: 40px;
    margin-bottom: 20px;
}

.legal-content h3 {
    color: var(--text-dark);
    margin-top: 30px;
    margin-bottom: 15px;
}

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

.legal-content li {
    margin-bottom: 8px;
    color: var(--text-light);
}

.cookie-settings-link {
    text-align: center;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

/* Thanks Page */
.thanks {
    padding: 180px 0 180px;
    text-align: center;
}

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

.thanks-content h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.thanks-content ul {
    text-align: left;
    display: inline-block;
    margin: 20px 0;
}

/* Blog Article */
.blog-article {
    padding: 120px 0 80px;
    background-color: var(--bg-light);
}

.article-header {
    text-align: center;
    margin-bottom: 50px;
}

.article-header h1 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.article-meta {
    color: var(--text-light);
    font-size: 0.9rem;
}

.article-meta span {
    margin-right: 20px;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.article-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
}

.article-content h2 {
    color: var(--primary-color);
    margin-top: 40px;
    margin-bottom: 20px;
}

.article-content h3 {
    color: var(--text-dark);
    margin-top: 30px;
    margin-bottom: 15px;
}

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

.article-content li {
    margin-bottom: 8px;
    color: var(--text-light);
}

.article-cta {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    margin: 40px 0;
}

.article-cta h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.article-navigation {
    text-align: center;
    margin-top: 40px;
}

/* Tables */
.calculation-table,
.savings-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.calculation-table th,
.calculation-table td,
.savings-table th,
.savings-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.calculation-table th,
.savings-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

.calculation-table tr:nth-child(even),
.savings-table tr:nth-child(even) {
    background-color: var(--bg-light);
}

.calculation-table strong,
.savings-table strong {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .container {
        padding: 0 15px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
    }

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

    .nav-toggle {
        display: flex;
    }

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

    .hero-content p {
        font-size: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .services-grid,
    .benefits-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
    }

    .cookie-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

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

    .article-content {
        padding: 30px 20px;
    }

    .calculation-table,
    .savings-table {
        font-size: 0.9rem;
    }

    .calculation-table th,
    .calculation-table td,
    .savings-table th,
    .savings-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

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

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

    .btn-large {
        padding: 12px 24px;
        font-size: 1rem;
    }

    .service-card,
    .benefit-card {
        padding: 30px 20px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .contact-info {
        padding: 30px 20px;
    }

    .article-content {
        padding: 20px 15px;
    }

    .calculation-table,
    .savings-table {
        font-size: 0.8rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
input:focus,
textarea:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cookie-banner,
    .cookie-modal {
        display: none;
    }

    .blog-article,
    .legal-content {
        padding-top: 20px;
    }
}