/* 
 * ImmobilienWelt - Main Stylesheet
 * Author: ImmobilienWelt Team
 */

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --secondary-color: #2c3e50;
    --accent-color: #f1c40f;
    --light-color: #ecf0f1;
    --dark-color: #34495e;
    --gray-color: #95a5a6;
    --light-gray: #f5f5f5;
    --success-color: #27ae60;
    --error-color: #e74c3c;
    
    /* Fonts */
    --font-main: 'Helvetica Neue', Arial, sans-serif;
    --font-headings: 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Border-radius */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Box shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--secondary-color);
    background-color: #fff;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

button, .btn {
    cursor: pointer;
    outline: none;
    border: none;
    font-family: var(--font-main);
    transition: var(--transition-normal);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
    font-weight: 700;
    color: var(--secondary-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

small {
    font-size: 0.875rem;
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

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

.section-header p {
    max-width: 800px;
    margin: 0 auto;
    color: var(--gray-color);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

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

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

.btn-secondary {
    background-color: var(--light-color);
    color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #dfe6e9;
    color: var(--secondary-color);
}

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

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

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: var(--shadow-sm);
    z-index: 100;
    transition: var(--transition-normal);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.nav-list {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-list li {
    margin-left: var(--spacing-lg);
}

.nav-list a {
    color: var(--secondary-color);
    font-weight: 600;
    position: relative;
}

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

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    margin: 5px 0;
    transition: var(--transition-normal);
}

/* ===== BANNER SECTION ===== */
.banner {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    color: white;
    text-align: center;
    margin-top: 70px; /* Header height */
    background-color: var(--primary-color);
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

.banner-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.banner h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.banner p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.banner-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

/* ===== SERVICES SECTION ===== */
.services {
    background-color: var(--light-gray);
}

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

.service-card {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    text-align: center;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon img {
    width: 100%;
    height: auto;
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: white;
}

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

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

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-text {
    font-size: 0.875rem;
    color: var(--gray-color);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
    background-color: var(--light-gray);
    text-align: center;
}

.testimonials-slider {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.testimonial-item {
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    margin: 0 auto;
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.author-info h4 {
    margin: 0;
    font-size: 1rem;
}

.author-info p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-color);
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--gray-color);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.dot.active {
    background-color: var(--primary-color);
}

/* ===== BLOG SECTION ===== */
.recent-blog,
.blog-section {
    background-color: white;
}

.blog-grid,
.blog-grid-full {
    display: grid;
    gap: var(--spacing-lg);
}

.blog-grid {
    grid-template-columns: repeat(3, 1fr);
}

.blog-grid-full {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.blog-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    height: 100%;
}

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

.blog-img {
    height: 200px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--light-gray);
}

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

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

.blog-date {
    display: block;
    color: var(--gray-color);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.read-more {
    display: inline-block;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    color: var(--primary-color);
}

.read-more:hover {
    color: var(--primary-dark);
}

.blog-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* ===== NEWSLETTER SECTION ===== */
.newsletter {
    background-color: var(--primary-color);
    color: white;
}

.newsletter .section-header h2,
.newsletter .section-header p {
    color: white;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
}

.newsletter-form {
    margin-top: var(--spacing-lg);
}

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

.form-group input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
}

.newsletter-form .form-group input[type="email"] {
    border: none;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.newsletter-form .btn {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.form-check {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.form-check input {
    margin-top: 0.3rem;
    margin-right: var(--spacing-sm);
}

.form-check label {
    font-size: 0.875rem;
}

.form-check a {
    color: white;
    text-decoration: underline;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background-color: var(--light-gray);
}

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

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

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.info-item img {
    width: 24px;
    height: 24px;
    margin-right: var(--spacing-md);
}

.info-item h3 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

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

.social-links h3 {
    margin-bottom: var(--spacing-md);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--secondary-color);
    transition: var(--transition-normal);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: white;
}

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

.contact-form .form-group {
    flex-direction: column;
}

.contact-form label {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

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

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

.contact-form button {
    margin-top: var(--spacing-md);
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--secondary-color);
    color: white;
    padding: var(--spacing-xl) 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo img {
    height: 40px;
    margin-bottom: var(--spacing-md);
}

.footer-logo p {
    color: #bdc3c7;
}

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

.footer-column h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-column ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-column ul li a {
    color: #bdc3c7;
    transition: var(--transition-normal);
}

.footer-column ul li a:hover {
    color: white;
}

.contact-list li {
    display: flex;
    align-items: center;
}

.contact-list li img {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.875rem;
    color: #bdc3c7;
}

/* ===== PAGE BANNER ===== */
.page-banner {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: calc(var(--spacing-xl) * 2) 0 var(--spacing-xl);
    margin-top: 70px; /* Header height */
}

.page-banner h1 {
    color: white;
}

.page-banner p {
    max-width: 800px;
    margin: 0 auto;
}

/* ===== ARTICLE STYLES ===== */
.article-content {
    padding: var(--spacing-xl) 0;
    margin-top: 70px; /* Header height */
}

.article-header {
    margin-bottom: var(--spacing-lg);
}

.back-to-blog {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    color: var(--gray-color);
}

.article-date {
    display: block;
    color: var(--gray-color);
    margin-bottom: var(--spacing-sm);
}

.article-featured-image {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.article-body h2 {
    margin-top: var(--spacing-xl);
}

.article-body h3 {
    margin-top: var(--spacing-lg);
}

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

.article-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.article-tags, 
.article-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.article-tags a {
    display: inline-block;
    background-color: var(--light-color);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
}

.article-tags a:hover {
    background-color: var(--primary-color);
    color: white;
}

.article-share a {
    color: var(--gray-color);
}

.article-share a:hover {
    color: var(--primary-color);
}

.related-articles {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid #eee;
}

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

.related-item {
    background-color: var(--light-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
}

.related-item:hover {
    background-color: var(--primary-color);
    color: white;
}

.related-item h4 {
    margin: 0;
    font-size: 1rem;
}

/* ===== LEGAL PAGES ===== */
.legal-content {
    padding-top: calc(70px + var(--spacing-xl));
    padding-bottom: var(--spacing-xl);
}

.legal-content h2 {
    margin-top: var(--spacing-xl);
    color: var(--primary-color);
}

.legal-content h3 {
    margin-top: var(--spacing-lg);
}

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

.cookie-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
}

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

.cookie-table th {
    background-color: var(--light-color);
}

.cookie-settings-button {
    margin-top: var(--spacing-xl);
    text-align: center;
}

/* ===== THANK YOU PAGE ===== */
.thank-you {
    min-height: calc(100vh - 140px);
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0;
    margin-top: 70px; /* Header height */
}

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

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

.thank-you-cta {
    margin-top: var(--spacing-lg);
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 -4px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: var(--spacing-lg);
    display: none;
}

.cookie-banner.show {
    display: block;
}

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

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

.cookie-options {
    margin: var(--spacing-md) 0;
}

.cookie-option {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid #eee;
}

.cookie-option:last-child {
    border-bottom: none;
}

.cookie-option input {
    margin-top: 0.3rem;
    margin-right: var(--spacing-sm);
}

.cookie-option label {
    font-weight: 600;
    margin-right: auto;
}

.option-description {
    flex-basis: 100%;
    margin: var(--spacing-xs) 0 0 calc(var(--spacing-md) + 5px);
    font-size: 0.875rem;
    color: var(--gray-color);
}

.cookie-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===== MEDIA QUERIES ===== */
@media (max-width: 992px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .banner h1 {
        font-size: 2.5rem;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-list {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        box-shadow: var(--shadow-sm);
    }
    
    .nav-list.active {
        max-height: 300px;
    }
    
    .nav-list li {
        margin: 0;
    }
    
    .nav-list a {
        display: block;
        padding: var(--spacing-md);
        text-align: center;
    }
    
    .banner {
        min-height: 500px;
    }
    
    .banner-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group input {
        border-radius: var(--border-radius-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .newsletter-form .form-group input[type="email"] {
        border-radius: var(--border-radius-sm);
        margin-bottom: var(--spacing-sm);
    }
    
    .newsletter-form .btn {
        border-radius: var(--border-radius-sm);
        width: 100%;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .article-footer {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    h3 {
        font-size: 1.25rem;
    }
    
    .banner h1 {
        font-size: 2rem;
    }
    
    .banner p {
        font-size: 1rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}