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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}

/* Header and Navigation */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .brand-link {
    text-decoration: none;
    color: #1f2937;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    vertical-align: bottom;
}

.brand-logo {
    height: 50px;
    vertical-align: middle;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #6b7280;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #1f2937;
}

.nav-link.active {
    color: #667eea;
}

/* Dropdown styles */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    padding: 0.5rem 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    color: #6b7280;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-link:hover {
    background-color: #f9fafb;
    color: #1f2937;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: #1f2937;
    transition: all 0.3s ease;
}

/* Main content */
main {
    min-height: calc(100vh - 200px);
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Product grid */
.products {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.products-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1f2937;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e5e7eb;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.product-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
}

.product-icon-image {
    background: transparent;
}

.product-icon-image img {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: contain;
}

.product-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.product-card p {
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.status-active {
    background-color: #dcfce7;
    color: #166534;
}

.status-development {
    background-color: #fef3c7;
    color: #92400e;
}

.status-idea {
    background-color: #e0e7ff;
    color: #3730a3;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #e5e7eb;
    color: #1f2937;
}

/* About section */
.about {
    padding: 5rem 0;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.about p {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Features section */
.features {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Benefits section */
.benefits {
    padding: 5rem 0;
}

.benefits-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.benefits-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.benefits-text h3:not(:first-child) {
    margin-top: 2rem;
}

.benefits-text p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.profile-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    background: white;
    border: 1px solid #e5e7eb;
}

.placeholder-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 500;
}

/* API section */
.api {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.api-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.api-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.api-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.api-text h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
    color: #1f2937;
}

.api-text p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.api-text ul {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.api-text li {
    margin-bottom: 0.5rem;
}

.code-block {
    background: #1f2937;
    border-radius: 12px;
    padding: 1.5rem;
    color: white;
}

.code-block h4 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.code-block pre {
    margin: 0;
    overflow-x: auto;
}

.code-block code {
    color: #e5e7eb;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* Use cases section */
.use-cases {
    padding: 5rem 0;
}

.use-cases-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.use-case-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: transform 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-2px);
}

.use-case-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.use-case-card p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.875rem;
}

/* Stores section */
.stores {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.stores-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.stores-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.store-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: transform 0.3s ease;
}

.store-card:hover {
    transform: translateY(-2px);
}

.store-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
    color: white;
    font-size: 1rem;
}

.store-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.store-card p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 0.875rem;
}

/* Store badges */
.store-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.store-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    color: #1f2937;
    text-decoration: none;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.store-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.store-badge-icon {
    font-size: 1.5rem;
}

.store-badge-text small {
    display: block;
    font-size: 0.75rem;
    color: #6b7280;
    line-height: 1;
}

.store-badge.disabled {
    opacity: 0.6;
    pointer-events: none;
}

/* CTA section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* About page specific styles */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    color: #1f2937;
}

.about-text p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.about-text ul {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.about-text li {
    margin-bottom: 0.5rem;
}

/* Values section */
.values {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.values-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.value-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    transition: transform 0.3s ease;
}

.value-card:hover {
    transform: translateY(-2px);
}

.value-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
    color: white;
    font-size: 1.25rem;
}

.value-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.value-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* FAQ section */
.faq {
    padding: 5rem 0;
}

.faq-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.faq-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
}

.faq-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #1f2937;
}

.faq-item p {
    color: #6b7280;
    line-height: 1.6;
}

/* Contact section */
.contact {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.contact-info h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.contact-info p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-method h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1f2937;
}

.contact-method p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

.contact-form-container h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #1f2937;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background-color: #1f2937;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: white;
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

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

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    margin: 0;
}

/* Flash messages */
.flash {
    padding: 1rem 2rem;
    margin: 1rem 0;
    border-radius: 8px;
    text-align: center;
}

.flash.success {
    background-color: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.flash.error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        border-top: 1px solid #e5e7eb;
        padding: 1rem 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero p {
        font-size: 1.125rem;
    }

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

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

    .about h2,
    .contact h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 1rem;
    }

    .hero {
        padding: 4rem 0;
    }

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

    .products,
    .about,
    .contact,
    .features,
    .benefits,
    .api,
    .use-cases,
    .stores,
    .values,
    .faq {
        padding: 3rem 0;
    }

    .products-container,
    .about-container,
    .contact-container,
    .features-container,
    .benefits-container,
    .api-container,
    .use-cases-container,
    .stores-container,
    .values-container,
    .faq-container {
        padding: 0 1rem;
    }

    .product-card,
    .feature-card,
    .use-case-card,
    .store-card,
    .value-card,
    .faq-item {
        padding: 1.5rem;
    }

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

    .features-grid,
    .use-cases-grid,
    .stores-grid,
    .values-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

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

/* Philosophy section */
.philosophy {
    padding: 5rem 0;
    background-color: #ffffff;
}

.philosophy-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.philosophy-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.philosophy-text p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Get Involved section */
.get-involved {
    padding: 5rem 0;
    background-color: #f9fafb;
    text-align: center;
}

.get-involved-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.get-involved h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.get-involved p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Apps section */
.apps {
    padding: 5rem 0;
    background-color: #ffffff;
}

.apps-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.app-details {
    margin: 1.5rem 0;
}

.app-details h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.app-details ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.app-details li {
    padding: 0.5rem 0;
    color: #6b7280;
    position: relative;
    padding-left: 1.5rem;
}

.app-details li:before {
    content: "•";
    color: #667eea;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.app-note {
    font-style: italic;
    color: #9ca3af;
    font-size: 0.9rem;
    margin-top: 1rem;
    padding: 1rem;
    background-color: #f9fafb;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

/* Product status badges */
.product-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.status-active {
    background-color: #dcfce7;
    color: #166534;
}

.status-development {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-planning {
    background-color: #fef3c7;
    color: #92400e;
}

.status-idea {
    background-color: #f3e8ff;
    color: #7c3aed;
}

.status-available {
    background-color: #dcfce7;
    color: #166534;
}

/* Responsive adjustments for new sections */
@media (max-width: 768px) {
    .philosophy,
    .get-involved,
    .apps {
        padding: 3rem 0;
    }

    .philosophy-container,
    .get-involved-container,
    .apps-container {
        padding: 0 1rem;
    }

    .get-involved h2 {
        font-size: 2rem;
    }

    .philosophy-text h3 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .philosophy,
    .get-involved,
    .apps {
        padding: 2rem 0;
    }

    .get-involved h2 {
        font-size: 1.75rem;
    }

    .philosophy-text h3 {
        font-size: 1.5rem;
    }
}

/* Tools section */
.tools {
    padding: 5rem 0;
    background-color: #ffffff;
}

.tools-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Approach section */
.approach {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.approach-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.approach-content {
    max-width: 1000px;
    margin: 0 auto;
}

.approach-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
    text-align: center;
}

.approach-text p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 3rem;
    line-height: 1.7;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact section (for data engineering page) */
.contact-section {
    padding: 5rem 0;
    background-color: #ffffff;
    text-align: center;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.contact-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.contact-section p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Product card lists */
.product-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-card li {
    padding: 0.5rem 0;
    color: #6b7280;
    position: relative;
    padding-left: 1.5rem;
    border-bottom: 1px solid #f3f4f6;
}

.product-card li:last-child {
    border-bottom: none;
}

.product-card li:before {
    content: "✓";
    color: #10b981;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Responsive adjustments for data engineering sections */
@media (max-width: 768px) {
    .tools,
    .approach,
    .contact-section {
        padding: 3rem 0;
    }

    .tools-container,
    .approach-container,
    .contact-container {
        padding: 0 1rem;
    }

    .approach-text h3 {
        font-size: 1.75rem;
    }

    .contact-section h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .tools,
    .approach,
    .contact-section {
        padding: 2rem 0;
    }

    .approach-text h3 {
        font-size: 1.5rem;
    }

    .contact-section h2 {
        font-size: 1.75rem;
    }
}

/* Email Signup Section */
.email-signup {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.email-signup-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.email-signup h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

.email-signup p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.signup-form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    text-align: left;
}

/* Checkbox styling */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    color: #374151;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.checkbox-label:hover {
    background-color: #f3f4f6;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 0.75rem;
    width: 18px;
    height: 18px;
    accent-color: #667eea;
}

/* Responsive adjustments for email signup */
@media (max-width: 768px) {
    .email-signup {
        padding: 3rem 0;
    }
    
    .email-signup-container {
        padding: 0 1rem;
    }
    
    .email-signup h2 {
        font-size: 2rem;
    }
    
    .checkbox-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .email-signup {
        padding: 2rem 0;
    }
    
    .email-signup h2 {
        font-size: 1.75rem;
    }
    
    .signup-form {
        padding: 1.5rem;
    }
}

/* Form Navigation Section */
.form-navigation {
    padding: 3rem 0;
    background-color: #ffffff;
    text-align: center;
}

.form-nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.form-nav-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.form-nav-buttons .btn {
    min-width: 200px;
}

/* Responsive adjustments for form navigation */
@media (max-width: 768px) {
    .form-navigation {
        padding: 2rem 0;
    }
    
    .form-nav-container {
        padding: 0 1rem;
    }
    
    .form-nav-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .form-nav-buttons .btn {
        min-width: 250px;
    }
}

@media (max-width: 480px) {
    .form-navigation {
        padding: 1.5rem 0;
    }
    
    .form-nav-buttons .btn {
        min-width: 100%;
    }
}

/* Planning section */
.planning {
    padding: 5rem 0;
    background-color: #f9fafb;
}

.planning-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.planning-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.planning-text h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    color: #1f2937;
}

.planning-text p {
    font-size: 1.125rem;
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.planning-text ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.planning-text li {
    padding: 0.5rem 0;
    color: #6b7280;
    position: relative;
    padding-left: 1.5rem;
}

.planning-text li:before {
    content: "•";
    color: #667eea;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Responsive adjustments for planning section */
@media (max-width: 768px) {
    .planning {
        padding: 3rem 0;
    }
    
    .planning-container {
        padding: 0 1rem;
    }
    
    .planning-text h3 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .planning {
        padding: 2rem 0;
    }
    
    .planning-text h3 {
        font-size: 1.5rem;
    }
}