/* ===== RESET & 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: #ffffff;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c2c2c;
}

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

h2 {
    font-size: 2rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
    line-height: 1.4;
}

p {
    margin-bottom: 1rem;
    color: #555;
}

a {
    color: #4b426e;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #6b5a8e;
}

ul {
    list-style: none;
}

/* ===== NAVIGATION ===== */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: #4b426e;
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: #333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #4b426e;
    background-color: rgba(75, 66, 110, 0.1);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #4b426e;
    margin: 3px 0;
    transition: 0.3s;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
}

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

.hero-content h1 {
    font-size: 3.5rem;
    color: #4b426e;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-content p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== BUTTONS ===== */
.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #4b426e, #6b5a8e);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(75, 66, 110, 0.3);
    margin: 0.5rem;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(75, 66, 110, 0.4);
    color: white;
}

.cta-button.secondary {
    background: transparent;
    color: #4b426e;
    border: 2px solid #4b426e;
}

.cta-button.secondary:hover {
    background: #4b426e;
    color: white;
}

/* ===== CONTENT SECTIONS ===== */
.content-section {
    padding: 5rem 0;
}

.content-section.alternate {
    background-color: #f8f9fa;
}

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

.section-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    display: block;
}

.page-header {
    background: linear-gradient(135deg, #4b426e 0%, #6b5a8e 100%);
    color: white;
    padding: 8rem 0 4rem;
    text-align: center;
    margin-top: 70px;
}

.page-header-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    display: block;
}

.page-header h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== GRID LAYOUTS ===== */
.content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

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

.advantage-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
}

.advantage-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.comparison-item {
    text-align: center;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.comparison-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    display: block;
}

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

.building-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #4b426e;
}

.building-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

/* ===== TIMELINE ===== */
.history-timeline {
    position: relative;
    margin-top: 2rem;
}

.timeline-item {
    background: white;
    padding: 2rem;
    margin: 2rem 0;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    margin-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: #4b426e;
    border-radius: 50%;
}

.timeline-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

/* ===== CONTACT ===== */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-item {
    text-align: center;
    padding: 1.5rem;
}

.contact-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.contact-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ===== FORMS ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4b426e;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.2rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: normal;
}

.submit-btn {
    background: linear-gradient(45deg, #4b426e, #6b5a8e);
    color: white;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(75, 66, 110, 0.3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(75, 66, 110, 0.4);
}

.contact-info-container {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    height: fit-content;
}

.contact-details .contact-item {
    text-align: left;
    padding: 1rem 0;
    border-bottom: 1px solid #e9ecef;
}

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

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

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

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.social-links img {
    width: 20px;
    height: 20px;
}

/* ===== FOOTER ===== */
.footer {
    background: #2c2c2c;
    color: white;
    padding: 3rem 0 1rem;
}

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

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

.footer-section a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #4b426e;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #ccc;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(44, 44, 44, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    padding: 1.5rem;
    z-index: 2000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner p {
    color: white;
    margin-bottom: 0;
}

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

.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;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cookie-btn.primary {
    background: #4b426e;
    color: white;
}

.cookie-btn.secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.cookie-btn.tertiary {
    background: transparent;
    color: #ccc;
    border: 2px solid #ccc;
}

.cookie-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ===== LEGAL PAGES ===== */
.legal-page {
    padding: 8rem 0 4rem;
    margin-top: 70px;
}

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

.legal-section {
    margin-bottom: 3rem;
}

.legal-section h2 {
    color: #4b426e;
    border-bottom: 2px solid #4b426e;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.legal-section h3 {
    color: #4b426e;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-section ul {
    list-style: disc;
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.legal-section li {
    margin-bottom: 0.5rem;
    color: #555;
}

.last-updated {
    color: #666;
    font-style: italic;
    margin-bottom: 2rem;
}

.contact-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1rem 0;
}

/* ===== COOKIE TABLES ===== */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.cookie-table th,
.cookie-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.cookie-table th {
    background: #4b426e;
    color: white;
    font-weight: 600;
}

.cookie-table tr:last-child td {
    border-bottom: none;
}

.cookie-settings-demo {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1rem 0;
    text-align: center;
}

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

.impact-item {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.impact-item h4 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.impact-item ul {
    list-style: disc;
    margin-left: 1.5rem;
}

/* ===== THANK YOU PAGE ===== */
.thank-you-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 0 4rem;
    margin-top: 70px;
}

.thank-you-content {
    text-align: center;
    max-width: 600px;
}

.thank-you-icon {
    margin-bottom: 2rem;
}

.thank-you-content h1 {
    color: #4b426e;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.thank-you-message {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.thank-you-info {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
}

.thank-you-info h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.thank-you-info ul {
    list-style: disc;
    margin-left: 2rem;
    text-align: left;
}

.thank-you-actions {
    margin-bottom: 3rem;
}

.contact-reminder {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.contact-quick {
    margin-top: 1rem;
}

.contact-quick .contact-item {
    margin-bottom: 1rem;
}

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

.related-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.related-item:hover {
    transform: translateY(-5px);
}

.related-item h3 a {
    color: #4b426e;
    text-decoration: none;
}

.related-item h3 a:hover {
    color: #6b5a8e;
}

/* ===== SPECIALIZED SECTIONS ===== */
.planning-steps,
.construction-phases {
    margin-top: 2rem;
}

.step-item,
.phase-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 3rem;
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.step-number {
    background: #4b426e;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3,
.phase-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.step-content ul,
.phase-details ul {
    list-style: disc;
    margin-left: 2rem;
    margin-top: 1rem;
}

.legal-grid,
.costs-overview,
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.legal-item,
.cost-category,
.tip-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.legal-item h3,
.cost-category h3,
.tip-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.legal-item ul,
.cost-category ul {
    list-style: disc;
    margin-left: 2rem;
    margin-top: 1rem;
}

/* ===== GREEN BUILDING SPECIFIC ===== */
.intro-content {
    margin-bottom: 3rem;
}

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

.principle-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-top: 4px solid #4b426e;
}

.principle-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.timeline {
    position: relative;
    margin-top: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #4b426e;
}

.timeline-year {
    background: #4b426e;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: bold;
    width: fit-content;
    margin-bottom: 1rem;
}

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

.standard-item,
.benefit-category {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.standard-item h3,
.benefit-category h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.standard-item ul,
.benefit-category ul {
    list-style: disc;
    margin-left: 2rem;
    margin-top: 1rem;
}

.tech-category {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.tech-category h3 {
    color: #4b426e;
    margin-bottom: 1.5rem;
    text-align: center;
    border-bottom: 2px solid #4b426e;
    padding-bottom: 0.5rem;
}

.tech-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.tech-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-3px);
}

.tech-item h4 {
    color: #4b426e;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.tech-item p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0;
}

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

.trend-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #4b426e;
}

.trend-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

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

.challenge-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.challenge-item h3 {
    color: #4b426e;
    margin-bottom: 1.5rem;
}

.challenge-content p {
    margin-bottom: 1rem;
}

.challenge-content strong {
    color: #4b426e;
}

/* ===== HISTORICAL ARCHITECTURE SPECIFIC ===== */
.historical-period {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #4b426e;
}

.historical-period h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.historical-period ul {
    list-style: disc;
    margin-left: 2rem;
    margin-top: 1rem;
}

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

.heritage-item,
.architect-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.heritage-item h3,
.architect-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

.heritage-item ul {
    list-style: disc;
    margin-left: 2rem;
    margin-top: 1rem;
}

.challenges-content {
    margin-top: 2rem;
}

/* ===== CONTACT PAGE SPECIFIC ===== */
.faq-container {
    margin-top: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    margin-bottom: 1rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #4b426e;
}

.faq-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

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

.service-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.service-item h3 {
    color: #4b426e;
    margin-bottom: 1rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .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: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .content-section {
        padding: 3rem 0;
    }

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

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

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

    .step-item,
    .phase-item {
        flex-direction: column;
        text-align: center;
    }

    .timeline::before {
        left: 1rem;
    }

    .timeline-item {
        margin-left: 1rem;
    }

    .timeline-item::before {
        left: -1.5rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

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

    .cta-button {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .advantages-grid,
    .comparison-grid,
    .buildings-list {
        grid-template-columns: 1fr;
    }

    .page-header {
        padding: 6rem 0 3rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

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

    .thank-you-message {
        font-size: 1rem;
    }
    [class*="-grid"], .costs-overview, .trends-content {
        grid-template-columns: 1fr;
    }
    body {
        word-break: break-word;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.content-section > .container > * {
    animation: fadeInUp 0.6s ease-out;
}

.advantage-item,
.comparison-item,
.building-item {
    animation: slideInRight 0.6s ease-out;
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for better accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid #4b426e;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .hero {
        background: white;
    }
    
    .hero-content h1 {
        color: black;
    }
    
    .content-section.alternate {
        background: #f0f0f0;
    }
}

/* Print styles */
@media print {
    .navbar,
    .cookie-banner,
    .footer {
        display: none;
    }
    
    .content-section {
        padding: 1rem 0;
    }
    
    .page-header {
        margin-top: 0;
        padding: 2rem 0;
    }
}