/* Design System - Mosai Colors */
:root {
    --mosai-blue: #4285F4;
    --mosai-green: #34A853;
    --mosai-yellow: #FBBC05;
    --mosai-red: #EA4335;
    --mosai-purple: #9C27B0;
    
    --blue-50: #E3F2FD;
    --green-50: #E8F5E8;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.95);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--gray-900);
}

.logo-squares {
    display: flex;
    gap: 2px;
    margin-right: 12px;
}

.logo-square {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.logo-square.blue { background: var(--mosai-blue); }
.logo-square.green { background: var(--mosai-green); }
.logo-square.yellow { background: var(--mosai-yellow); }
.logo-square.red { background: var(--mosai-red); }

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
}

.cta-button {
    background: var(--mosai-blue);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background: #3367D6;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.3);
}

.cta-button.secondary {
  background: white;
  color: var(--mosai-blue);
  border: 2px solid var(--mosai-blue);
}

.cta-button.secondary:hover {
  background: var(--blue-50);
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero .subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    margin-bottom: 3rem;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
}

.badge {
    display: flex;
    align-items: center;
    color: var(--gray-600);
    font-size: 0.875rem;
}

.badge svg {
    width: 16px;
    height: 16px;
    color: var(--mosai-green);
    margin-right: 6px;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.features .subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    transition: all 0.2s;
}

.feature-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.feature-icon.blue { background: var(--blue-50); }
.feature-icon.green { background: var(--green-50); }
.feature-icon.purple { background: #F3E5F5; }

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-icon.blue svg { color: var(--mosai-blue); }
.feature-icon.green svg { color: var(--mosai-green); }
.feature-icon.purple svg { color: var(--mosai-purple); }

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.5;
}

/* Use Cases Section */
.use-cases {
    padding: 4rem 0;
    background: var(--gray-50);
}

.use-cases h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.use-cases-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Carousel Container */
.carousel-container {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
}

.carousel-track {
    display: flex;
    transition: transform 0.3s ease;
    gap: 2rem;
}

.use-case-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--gray-100);
    transition: all 0.2s;
    flex: 0 0 calc(33.333% - 1.333rem);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--mosai-blue), var(--mosai-green), var(--mosai-yellow), var(--mosai-red));
}

.use-case-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.use-case-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--blue-50);
    color: var(--mosai-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.use-case-icon svg {
    width: 24px;
    height: 24px;
}

.use-case-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.use-case-scenario {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.5;
}

.use-case-how h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

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

.use-case-how li {
    color: var(--gray-600);
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    line-height: 1.5;
}

.use-case-how li::before {
    content: '•';
    color: var(--mosai-blue);
    font-weight: bold;
    position: absolute;
    left: 0;
}


/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.indicator.active {
    background: var(--mosai-blue);
}

.indicator:hover {
    background: var(--mosai-blue);
    opacity: 0.7;
}


/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: var(--gray-900);
    color: white;
    text-align: center;
}

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

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

/* Footer */
.footer {
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: 2rem 0;
    text-align: center;
    color: var(--gray-600);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-badges {
        flex-direction: column;
        gap: 1rem;
    }
    
    .features h2,
    .use-cases h2,
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    /* Mobile Carousel */
    .use-case-card {
        flex: 0 0 calc(100% - 2rem);
        margin: 0 1rem;
    }
}