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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #374151;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

/* Color System */
:root {
    --slate: #64748b;
    --graphite: #374151;
    --electric-teal: #14b8a6;
    --light-slate: #f8fafc;
    --medium-slate: #e2e8f0;
    --dark-graphite: #1f2937;
    --teal-light: #f0fdfa;
    --teal-dark: #0d9488;
}

/* Logo and Branding */
.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
}

.brand-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--graphite);
    letter-spacing: -0.025em;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background-color: var(--electric-teal);
    color: white;
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--electric-teal);
    transition: all 0.2s ease;
}

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

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--graphite);
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--slate);
    transition: all 0.2s ease;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-slate) 0%, #ffffff 100%);
    padding: 60px 0 120px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 80px;
    flex-wrap: wrap;
    gap: 20px;
}

.tagline {
    color: var(--slate);
    font-weight: 500;
    font-size: 1rem;
    text-align: right;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--dark-graphite);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--slate);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.invite-only {
    color: var(--electric-teal);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 8px 16px;
    background-color: var(--teal-light);
    border-radius: 20px;
}

/* Platform Overview */
.platform-overview {
    padding: 120px 0;
    background-color: #ffffff;
}

.platform-overview h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 1.5rem;
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--slate);
    max-width: 600px;
    margin: 0 auto 4rem;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.overview-card {
    text-align: center;
    padding: 40px 24px;
    border-radius: 12px;
    border: 1px solid var(--medium-slate);
}

.overview-card img {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
}

.overview-card h3 {
    color: var(--graphite);
    margin-bottom: 16px;
}

.overview-card p {
    color: var(--slate);
    line-height: 1.7;
}

/* Core Capabilities */
.core-capabilities {
    padding: 120px 0;
    background-color: var(--light-slate);
}

.core-capabilities h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 4rem;
}

.capabilities-grid {
    display: grid;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.capability-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.capability-icon {
    flex-shrink: 0;
    padding: 16px;
    background-color: white;
    border-radius: 12px;
    border: 1px solid var(--medium-slate);
}

.capability-icon img {
    width: 32px;
    height: 32px;
}

.capability-content h3 {
    color: var(--graphite);
    margin-bottom: 12px;
}

.capability-content p {
    color: var(--slate);
}

/* Strategic Benefits */
.strategic-benefits {
    padding: 120px 0;
    background-color: #ffffff;
}

.strategic-benefits h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 4rem;
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.benefits-list {
    list-style: none;
}

.benefits-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 20px;
    color: var(--slate);
    line-height: 1.7;
}

.benefits-list li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 8px;
    height: 8px;
    background-color: var(--electric-teal);
    border-radius: 50%;
}

.benefits-visual {
    display: flex;
    justify-content: center;
}

.security-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

.benefits-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}

/* Image Placeholder */
.image-placeholder {
    background-color: var(--medium-slate);
    border: 2px dashed var(--slate);
    border-radius: 12px;
    padding: 80px 40px;
    text-align: center;
    color: var(--slate);
    font-weight: 500;
    width: 100%;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Products Section */
.products {
    padding: 120px 0;
    background-color: var(--light-slate);
}

.products h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 1.5rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 60px;
}

.product-card {
    background-color: white;
    border-radius: 12px;
    border: 1px solid var(--medium-slate);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card.featured {
    border-color: var(--electric-teal);
    position: relative;
}

.product-card.featured:before {
    content: 'Most Popular';
    position: absolute;
    top: 16px;
    right: 16px;
    background-color: var(--electric-teal);
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-header {
    padding: 32px 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.product-tier {
    background-color: var(--medium-slate);
    color: var(--graphite);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.product-card.featured .product-tier {
    background-color: var(--teal-light);
    color: var(--teal-dark);
}

.product-content {
    padding: 16px 32px 32px;
    flex-grow: 1;
}

.product-features {
    list-style: none;
    margin-top: 24px;
}

.product-features li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--slate);
}

.product-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--electric-teal);
    font-weight: 600;
}

.product-footer {
    padding: 0 32px 32px;
}

.product-footer .btn-primary,
.product-footer .btn-secondary {
    width: 100%;
    text-align: center;
}

/* Why Choose Section */
.why-choose {
    padding: 120px 0;
    background-color: #ffffff;
}

.why-choose h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 4rem;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.why-item {
    text-align: center;
    padding: 32px 24px;
}

.why-item h3 {
    color: var(--graphite);
    margin-bottom: 16px;
}

.why-item p {
    color: var(--slate);
}

/* Security & Governance */
.security-governance {
    padding: 120px 0;
    background-color: var(--light-slate);
}

.security-governance h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 4rem;
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.security-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.security-feature {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.security-feature img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.security-feature h4 {
    color: var(--graphite);
}

.security-feature p {
    color: var(--slate);
}

/* Trust & Validation */
.trust-validation {
    padding: 120px 0;
    background-color: #ffffff;
}

.trust-validation h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 4rem;
}

.validation-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--electric-teal);
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--slate);
    font-weight: 500;
    margin-top: 8px;
}

.validation-note {
    background-color: var(--teal-light);
    border-left: 4px solid var(--electric-teal);
    padding: 24px 32px;
    border-radius: 0 8px 8px 0;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer {
    color: var(--graphite);
    margin: 0;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background-color: var(--light-slate);
}

.contact h2 {
    text-align: center;
    color: var(--dark-graphite);
    margin-bottom: 1.5rem;
}

.contact-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--slate);
    max-width: 600px;
    margin: 0 auto 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background-color: white;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--medium-slate);
}

.contact-item img {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.contact-details h3 {
    color: var(--graphite);
    margin-bottom: 8px;
    font-size: 1.125rem;
}

.contact-details a {
    color: var(--electric-teal);
    text-decoration: none;
    font-weight: 500;
}

.contact-details a:hover {
    text-decoration: underline;
}

.contact-details address {
    color: var(--slate);
    font-style: normal;
    line-height: 1.7;
}

/* Footer */
.footer {
    background-color: var(--dark-graphite);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo-container .brand-name {
    color: white;
}

.footer-brand p {
    color: var(--medium-slate);
    margin-top: 16px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1rem;
}

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

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--medium-slate);
    text-decoration: none;
}

.footer-column a:hover {
    color: var(--electric-teal);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid var(--slate);
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright p {
    color: var(--medium-slate);
    margin: 0;
    font-size: 0.875rem;
}

.footer-contact a {
    color: var(--electric-teal);
    text-decoration: none;
    font-weight: 500;
}

.footer-contact a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero {
        padding: 40px 0 80px;
    }
    
    .header {
        flex-direction: column;
        text-align: center;
        margin-bottom: 60px;
    }
    
    .tagline {
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .benefits-content,
    .security-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .capability-item {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .validation-stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .cookie-actions {
        justify-content: center;
    }
}

/* Cookie Banner Styles */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 1px solid var(--medium-slate);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 20px 0;
    display: none;
}

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

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-text p {
    margin: 0;
    color: var(--graphite);
    font-size: 0.875rem;
}

.cookie-text a {
    color: var(--electric-teal);
    text-decoration: none;
}

.cookie-text a:hover {
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.cookie-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cookie-accept {
    background-color: var(--electric-teal);
    color: white;
}

.cookie-accept:hover {
    background-color: var(--teal-dark);
}

.cookie-reject {
    background-color: transparent;
    color: var(--slate);
    border: 1px solid var(--medium-slate);
}

.cookie-reject:hover {
    background-color: var(--light-slate);
}

.cookie-customize {
    background-color: transparent;
    color: var(--electric-teal);
    border: 1px solid var(--electric-teal);
}

.cookie-customize:hover {
    background-color: var(--teal-light);
}

/* Cookie Modal */
.cookie-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.cookie-modal-content {
    background-color: white;
    border-radius: 12px;
    padding: 32px;
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
}

.cookie-modal-content h3 {
    color: var(--dark-graphite);
    margin-bottom: 24px;
}

.cookie-category {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--medium-slate);
}

.cookie-category:last-of-type {
    border-bottom: none;
}

.cookie-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-weight: 500;
    color: var(--graphite);
    margin-bottom: 8px;
}

.cookie-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--electric-teal);
}

.cookie-category p {
    font-size: 0.875rem;
    color: var(--slate);
    margin: 0;
    line-height: 1.5;
}

.cookie-modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    .products-grid,
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .why-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .cookie-modal-content {
        padding: 24px;
        margin: 10px;
    }
    
    .cookie-modal-actions {
        flex-direction: column;
    }
}