:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --accent: #10b981;
    --dark: #1e293b;
    --gray: #64748b;
    --light-gray: #f1f5f9;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: #fff;
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.nav-brand {
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 0.8;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255,255,255,0.3);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    opacity: 0.95;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 3rem 0;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Buttons */
.cta-button {
    background: white;
    color: var(--primary);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cta-button-large {
    background: white;
    color: var(--primary);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-block;
}

.cta-button-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.cta-button-secondary {
    background: transparent;
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border: 2px solid white;
    transition: background 0.2s, transform 0.2s;
    display: inline-block;
}

.cta-button-secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

/* Sections */
section {
    padding: 5rem 0;
}

section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--dark);
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto 3rem;
}

/* Capabilities Grid */
.capability-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.capability-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.capability-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.capability-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.capability-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    color: var(--dark);
}

.capability-card p {
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.capability-list {
    list-style: none;
    padding: 0;
}

.capability-list li {
    padding: 0.5rem 0;
    color: var(--gray);
    padding-left: 1.5rem;
    position: relative;
}

.capability-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* Architecture Section */
.architecture {
    background: var(--light-gray);
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.architecture-tier {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    border-top: 4px solid;
    position: relative;
}

.architecture-tier.high {
    border-top-color: #8b5cf6;
}

.architecture-tier.medium {
    border-top-color: #3b82f6;
}

.architecture-tier.low {
    border-top-color: #10b981;
}

.tier-badge {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.architecture-tier.high .tier-badge {
    background: #f3e8ff;
    color: #7c3aed;
}

.architecture-tier.medium .tier-badge {
    background: #dbeafe;
    color: #2563eb;
}

.architecture-tier.low .tier-badge {
    background: #d1fae5;
    color: #059669;
}

.architecture-tier h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.tier-model {
    color: var(--gray);
    font-style: italic;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.architecture-tier ul {
    list-style: none;
    padding: 0;
}

.architecture-tier ul li {
    padding: 0.4rem 0;
    color: var(--gray);
}

.architecture-result {
    margin-top: 3rem;
}

.result-box {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    border: 2px solid var(--primary);
}

.result-box h4 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cost-comparison {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 2rem 0;
}

.cost-before, .cost-after {
    flex: 1;
    text-align: center;
    padding: 1.5rem;
    border-radius: 8px;
}

.cost-before {
    background: #fee2e2;
}

.cost-after {
    background: #d1fae5;
}

.cost-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.cost-amount {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.cost-before .cost-amount {
    color: #dc2626;
}

.cost-after .cost-amount {
    color: #059669;
}

.cost-desc {
    font-size: 0.85rem;
    color: var(--gray);
}

.cost-arrow {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
}

.architecture-note {
    text-align: center;
    margin-top: 1.5rem;
    font-style: italic;
    color: var(--gray);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background: white;
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 2.5rem;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.15);
}

.pricing-card.featured {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(37,99,235,0.15);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
}

.service-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.pricing-card h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1rem 0;
}

.price-unit {
    font-size: 1.5rem;
    color: var(--gray);
}

.pricing-subtitle {
    text-align: center;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.pricing-features li {
    padding: 0.7rem 0;
    color: var(--gray);
    border-bottom: 1px solid var(--border);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card .cta-button-large,
.pricing-card .cta-button {
    width: 100%;
    text-align: center;
    margin: 1rem 0;
}

.pricing-note {
    font-size: 0.85rem;
    color: var(--gray);
    text-align: center;
    margin-top: 1rem;
    font-style: italic;
}

/* Proof Section */
.proof {
    background: var(--light-gray);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.proof-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
}

.proof-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.proof-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.proof-card p {
    color: var(--gray);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.proof-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    margin-top: 0.5rem;
}

.proof-link:hover {
    text-decoration: underline;
}

.proof-showcase {
    margin-top: 4rem;
    background: white;
    border-radius: 12px;
    padding: 3rem;
}

.proof-showcase h3 {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

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

.showcase-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 8px;
}

.showcase-metric {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.showcase-item p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* Use Cases */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px;
    padding: 2rem;
}

.use-case-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: white;
}

.use-case-card ul {
    list-style: none;
    padding: 0;
}

.use-case-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.use-case-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Contact Section */
.contact {
    background: var(--light-gray);
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto 3rem;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.contact-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.contact-button {
    background: var(--primary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    transition: background 0.2s, transform 0.2s;
}

.contact-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.contact-location {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: white;
    border-radius: 12px;
}

.contact-location p {
    font-size: 1.1rem;
    color: var(--gray);
    margin: 0.5rem 0;
}

.contact-resources {
    margin-top: 3rem;
    text-align: center;
}

.contact-resources h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.resource-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.resource-links a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary);
    border-radius: 6px;
    transition: background 0.2s, color 0.2s;
}

.resource-links a:hover {
    background: var(--primary);
    color: white;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

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

.footer-location {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin: 0.3rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .capability-grid,
    .architecture-grid,
    .pricing-grid,
    .proof-grid,
    .use-case-grid,
    .contact-options {
        grid-template-columns: 1fr;
    }
    
    .cost-comparison {
        flex-direction: column;
    }
    
    .cost-arrow {
        transform: rotate(90deg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .nav-brand {
        font-size: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .price {
        font-size: 2.5rem;
    }
}
