/* German E-Mobility Portal - Main Styles */

/* CSS Custom Properties */
:root {
    /* Sustainability Color Palette */
    --primary-green: #22c55e;
    --dark-green: #166534;
    --light-green: #dcfce7;
    --electric-blue: #0ea5e9;
    --dark-blue: #0c4a6e;
    --light-blue: #e0f2fe;
    --solar-orange: #f59e0b;
    --dark-orange: #92400e;
    --light-orange: #fef3c7;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --dark-gray: #334155;
    --black: #1e293b;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--black);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-green);
    border-color: var(--primary-green);
}

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

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    padding: 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--dark-gray);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-green);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--light-blue) 100%);
    padding: var(--spacing-2xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.hero-text h1 {
    font-size: 3rem;
    color: var(--black);
    margin-bottom: var(--spacing-md);
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image img {
    width: 100%;
    height: auto;
    max-width: 500px;
}

/* Services Section */
.services {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

.services h2 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-2xl);
}

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

.service-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
    border: 1px solid var(--light-gray);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

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

.service-card h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

/* About Section */
.about {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

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

.about-text h2 {
    color: var(--black);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

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

.stat-item p {
    color: var(--medium-gray);
    margin: 0;
    font-size: 0.9rem;
}

.about-image img {
    width: 100%;
    height: auto;
    max-width: 400px;
}

/* Sustainability Section */
.sustainability {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

.sustainability h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

.sustainability-card {
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.sustainability-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
    z-index: 1;
}

.sustainability-card h3,
.sustainability-card p {
    position: relative;
    z-index: 2;
}

.green-card {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
}

.blue-card {
    background: linear-gradient(135deg, var(--electric-blue) 0%, var(--dark-blue) 100%);
}

.orange-card {
    background: linear-gradient(135deg, var(--solar-orange) 0%, var(--dark-orange) 100%);
}

/* Technology Section */
.technology {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

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

.tech-text h2 {
    margin-bottom: var(--spacing-md);
}

.tech-text p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.tech-text ul {
    list-style: none;
    margin-left: 0;
}

.tech-text li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.tech-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
}

.tech-image img {
    width: 100%;
    height: auto;
    max-width: 350px;
}

/* Reviews Section */
.reviews {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

.reviews h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

.review-card {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-green);
}

.review-rating {
    color: var(--solar-orange);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
}

.review-card p {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--dark-gray);
}

.review-author strong {
    color: var(--black);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.review-author span {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

/* Newsletter Section */
.newsletter {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white);
}

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

.newsletter h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.newsletter p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.newsletter-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.newsletter-form input[type="email"]:focus {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

.form-checkbox {
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
}

.form-checkbox a {
    color: var(--white);
    text-decoration: underline;
}

/* Contact Section */
.contact {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-gray);
}

.contact h2 {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    margin-bottom: var(--spacing-lg);
}

.contact-item strong {
    color: var(--black);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    margin: 0;
    color: var(--medium-gray);
}

.contact-form {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-green);
}

.contact-form input {
    margin-bottom: var(--spacing-md);
}

.contact-form textarea {
    margin-bottom: var(--spacing-md);
    resize: vertical;
}

/* Footer */
.footer {
    background-color: var(--black);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--medium-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    margin-left: 0;
}

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

.footer-section a {
    color: var(--medium-gray);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-section a:hover,
.footer-section a.active {
    color: var(--primary-green);
}

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

.social-links a {
    display: inline-flex;
    width: 40px;
    height: 40px;
    background-color: var(--medium-gray);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-green);
}

.footer-bottom {
    border-top: 1px solid var(--medium-gray);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    color: var(--medium-gray);
    font-size: 0.85rem;
    margin: 0;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--black);
    color: var(--white);
    padding: var(--spacing-md);
    z-index: 2000;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.cookie-content p {
    margin: 0;
    flex: 1;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.cookie-buttons button {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

/* Cookie Modal */
.cookie-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

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

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

.cookie-modal-content h3 {
    margin-bottom: var(--spacing-lg);
}

.cookie-category {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
}

.cookie-category label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

.cookie-category p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--medium-gray);
}

.cookie-modal-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
}

/* Legal Content Styles */
.legal-content {
    padding: var(--spacing-2xl) 0;
    background-color: var(--white);
}

.legal-content h1 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.last-updated {
    text-align: center;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-2xl);
    font-style: italic;
}

.legal-section {
    margin-bottom: var(--spacing-2xl);
}

.legal-section h2 {
    color: var(--primary-green);
    border-bottom: 2px solid var(--light-green);
    padding-bottom: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.legal-section h3 {
    color: var(--dark-gray);
    margin-top: var(--spacing-lg);
}

.legal-section address {
    font-style: normal;
    line-height: 1.6;
    background-color: var(--light-gray);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary-green);
}

/* Cookie Table */
.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
}

.cookie-table th,
.cookie-table td {
    border: 1px solid #e5e7eb;
    padding: var(--spacing-sm);
    text-align: left;
}

.cookie-table th {
    background-color: var(--light-gray);
    font-weight: var(--font-weight-semibold);
}

.cookie-category-info {
    margin-bottom: var(--spacing-lg);
}

.cookie-management {
    text-align: center;
    margin: var(--spacing-lg) 0;
}

/* Thank You Page */
.thank-you {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--light-green) 0%, var(--light-blue) 100%);
    min-height: 70vh;
    display: flex;
    align-items: center;
}

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

.thank-you-icon {
    margin-bottom: var(--spacing-lg);
}

.thank-you h1 {
    color: var(--black);
    margin-bottom: var(--spacing-md);
}

.thank-you-message {
    font-size: 1.2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xl);
}

.thank-you-benefits {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.thank-you-benefits h3 {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-green);
}

.thank-you-benefits ul {
    list-style: none;
    margin-left: 0;
}

.thank-you-benefits li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.thank-you-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: var(--font-weight-bold);
}

.thank-you-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-follow {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.social-follow h4 {
    margin-bottom: var(--spacing-md);
    color: var(--black);
}

/* Hidden class for cookie banner */
.hidden {
    display: none !important;
}