/* CSS Reset and 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;
    overflow-x: hidden;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: #2563eb;
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background: #4b5563;
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    border: 2px solid #2563eb;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.logo-img {
    width: 40px;
    height: 40px;
    margin-right: 12px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #2563eb;
}

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

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: #1e293b;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.hero-image {
    text-align: center;
}

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

/* Section Styles */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: #f8fafc;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.about-text p {
    color: #64748b;
    margin-bottom: 2rem;
}

.about-stats {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.stat-item {
    text-align: center;
    margin-bottom: 2rem;
}

.stat-item:last-child {
    margin-bottom: 0;
}

.stat-item h4 {
    font-size: 2.5rem;
    color: #2563eb;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #64748b;
    font-weight: 500;
    margin: 0;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.service-icon {
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.service-card p {
    color: #64748b;
    margin: 0;
}

/* Blog Section */
.blog {
    background: #f8fafc;
}

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

.blog-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

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

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

.blog-content {
    padding: 1.5rem;
}

.blog-category {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.blog-card h3 {
    margin-bottom: 1rem;
}

.blog-card h3 a {
    color: #1e293b;
    transition: color 0.3s ease;
}

.blog-card h3 a:hover {
    color: #2563eb;
}

.blog-card p {
    color: #64748b;
    margin-bottom: 1rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    color: #9ca3af;
    font-size: 0.875rem;
    margin: 0;
}

/* Testimonials Section */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.testimonial-stars {
    color: #f59e0b;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.testimonial-content p {
    color: #64748b;
    font-style: italic;
    margin-bottom: 1.5rem;
}

.testimonial-author h4 {
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Contact Section */
.contact {
    background: #f8fafc;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.contact-icon {
    margin-right: 1rem;
    margin-top: 0.25rem;
}

.contact-item h4 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.contact-item p {
    color: #64748b;
    margin: 0;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #374151;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #2563eb;
}

.footer-section p {
    color: #94a3b8;
    margin-bottom: 1.5rem;
}

.footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

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

.footer-section ul li a {
    color: #94a3b8;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #2563eb;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #334155;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #334155;
    color: #94a3b8;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #1e293b;
    color: white;
    padding: 1.5rem;
    z-index: 1001;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.cookie-buttons {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

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

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

.cookie-modal-content {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.cookie-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #6b7280;
}

.cookie-close:hover {
    color: #374151;
}

.cookie-category {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cookie-category h3 {
    margin-bottom: 0.5rem;
}

.cookie-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.cookie-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background: #2563eb;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.cookie-modal-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Legal Pages */
.legal-page {
    padding: 150px 0 100px;
}

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

.legal-content h1 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.legal-date {
    color: #6b7280;
    font-style: italic;
    margin-bottom: 2rem;
}

.legal-content h2 {
    color: #1e293b;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content h3 {
    color: #374151;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

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

.legal-content li {
    margin-bottom: 0.5rem;
}

.contact-info {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.legal-contact {
    background: #e0f2fe;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
    text-align: center;
}

/* Thank You Page */
.thank-you {
    padding: 150px 0 100px;
    text-align: center;
}

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

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

.thank-you-content h1 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.thank-you-content p {
    color: #64748b;
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.thank-you-info {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    text-align: left;
}

.thank-you-info h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

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

.thank-you-info li {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.thank-you-contact {
    background: #e0f2fe;
    padding: 1.5rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.thank-you-contact h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.thank-you-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Article Pages */
.article-page {
    padding: 150px 0 100px;
}

.article-header {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.breadcrumb {
    color: #6b7280;
    margin-bottom: 1rem;
}

.breadcrumb a {
    color: #2563eb;
}

.article-category {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.article-header h1 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.article-meta {
    display: flex;
    gap: 2rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.article-image {
    max-width: 800px;
    margin: 0 auto 3rem;
    text-align: center;
}

.article-featured-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

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

.article-lead {
    font-size: 1.25rem;
    color: #374151;
    margin-bottom: 2rem;
    font-weight: 500;
}

.article-content h2 {
    color: #1e293b;
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.article-content h3 {
    color: #374151;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

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

.article-content li {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.article-highlight {
    background: #f8fafc;
    border-left: 4px solid #2563eb;
    padding: 1.5rem;
    margin: 2rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.article-highlight p {
    margin: 0;
    color: #374151;
}

.article-quote {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    text-align: center;
}

.article-quote blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: #374151;
    margin-bottom: 1rem;
}

.article-quote cite {
    color: #6b7280;
    font-size: 0.875rem;
}

.article-conclusion {
    background: #e0f2fe;
    padding: 2rem;
    border-radius: 12px;
    margin: 3rem 0;
}

.article-conclusion h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
}

.tag {
    background: #e2e8f0;
    color: #475569;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
}

.article-share {
    margin: 2rem 0;
}

.article-share h4 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.share-buttons {
    display: flex;
    gap: 1rem;
}

.share-btn {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    color: white;
    font-weight: 500;
    text-decoration: none;
}

.share-btn.facebook {
    background: #1877f2;
}

.share-btn.twitter {
    background: #1da1f2;
}

.share-btn.linkedin {
    background: #0077b5;
}

.article-navigation {
    display: flex;
    justify-content: space-between;
    margin: 3rem 0;
    gap: 2rem;
}

.nav-prev,
.nav-next {
    flex: 1;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-prev:hover,
.nav-next:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}

.nav-prev span,
.nav-next span {
    color: #6b7280;
    font-size: 0.875rem;
    display: block;
    margin-bottom: 0.5rem;
}

.nav-prev strong,
.nav-next strong {
    color: #1e293b;
}

.related-articles {
    margin-top: 4rem;
}

.related-articles h3 {
    color: #1e293b;
    margin-bottom: 2rem;
    text-align: center;
}

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

.related-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
}

.related-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.related-content {
    padding: 1.5rem;
}

.related-category {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.related-content h4 {
    margin-bottom: 0.75rem;
}

.related-content h4 a {
    color: #1e293b;
    transition: color 0.3s ease;
}

.related-content h4 a:hover {
    color: #2563eb;
}

.related-date {
    color: #6b7280;
    font-size: 0.875rem;
}

/* Cookie Policy Tables */
.cookie-table {
    margin: 1.5rem 0;
    overflow-x: auto;
}

.cookie-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    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 #e5e7eb;
}

.cookie-table th {
    background: #f8fafc;
    font-weight: 600;
    color: #374151;
}

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

.cookie-settings-section {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-menu {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .cookie-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cookie-modal-content {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }

    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .article-navigation {
        flex-direction: column;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .thank-you-actions {
        flex-direction: column;
        align-items: center;
    }

    .share-buttons {
        flex-direction: column;
    }

    .cookie-table {
        font-size: 0.875rem;
    }

    .cookie-table th,
    .cookie-table td {
        padding: 0.75rem 0.5rem;
    }
}

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

    .hero {
        padding: 120px 0 60px;
    }

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

    .section-title {
        font-size: 2rem;
    }

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

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

    .service-card,
    .blog-card,
    .testimonial-card {
        padding: 1.5rem;
    }

    .article-featured-img {
        height: 250px;
    }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

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

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

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.d-none {
    display: none;
}

.d-block {
    display: block;
}

.d-flex {
    display: flex;
}

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

.align-center {
    align-items: center;
}