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

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --purple-accent: #8b5cf6;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --bg-white: #ffffff;
    --bg-subtle: #f8fafc;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-white);
    min-height: 100vh;
}

/* Navigation */
.navbar {
    padding: 1.5rem 2rem;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary-color), var(--purple-accent));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.8;
    font-weight: 400;
}

.beta-badge {
    display: inline-block;
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    color: #92400e;
    font-size: 0.75em;
    font-weight: 600;
    padding: 0.25em 0.75em;
    border-radius: 12px;
    margin: 0 0.25em;
    vertical-align: middle;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.visual-card {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--purple-accent));
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-content {
    display: flex;
    gap: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* POCs Section */
.pocs-section {
    margin-bottom: 5rem;
}

.section-header {
    margin-bottom: 2rem;
}

.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.pocs-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 1rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.pocs-scroll::-webkit-scrollbar {
    height: 8px;
}

.pocs-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.pocs-scroll::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.pocs-container {
    display: flex;
    gap: 1.5rem;
    min-width: min-content;
}

.poc-card {
    background-color: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    color: inherit;
    display: block;
    min-width: 320px;
    max-width: 380px;
    box-shadow: var(--shadow-sm);
}

.poc-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.poc-card:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.card-image-container {
    width: 100%;
    height: 250px;
    position: relative;
    overflow: hidden;
    background: #f8fafc;
}

.card-preview {
    width: 200%;
    height: 200%;
    border: none;
    transform: scale(0.5);
    transform-origin: top left;
    pointer-events: none;
    opacity: 1;
}

.card-preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.1) 100%);
    pointer-events: none;
}

.card-content {
    padding: 1.5rem;
    position: relative;
}

.poc-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.card-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.card-footer {
    margin-top: 1rem;
}

.card-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.poc-card:hover .card-link {
    color: var(--primary-hover);
}

/* Info Section */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 5rem;
}

.info-card {
    background-color: var(--bg-white);
    border: 1.5px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.info-card:hover {
    box-shadow: var(--shadow-md);
}

.info-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.info-card p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.info-card a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    border-bottom: 1px solid transparent;
}

.info-card a:hover {
    color: var(--primary-hover);
    border-bottom-color: var(--primary-hover);
}

.info-card a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-visual {
        order: -1;
    }

    .visual-card {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 1.5rem;
    }

    .container {
        padding: 2rem 1.5rem;
    }

    .hero {
        margin-bottom: 4rem;
    }

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

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

    .pocs-section {
        margin-bottom: 4rem;
    }

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

    .poc-card {
        min-width: 280px;
    }

    .info-section {
        grid-template-columns: 1fr;
        margin-top: 4rem;
        gap: 1.5rem;
    }

    .info-card {
        padding: 1.5rem;
    }
}

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

    .container {
        padding: 1.5rem 1rem;
    }

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

    .hero-description {
        font-size: 1rem;
    }

    .poc-card {
        min-width: 260px;
    }

    .poc-card h3 {
        font-size: 1.25rem;
    }

    .card-description {
        font-size: 0.9375rem;
    }

    .info-card {
        padding: 1.25rem;
    }

    .info-card h3 {
        font-size: 1.125rem;
    }

    .info-card p {
        font-size: 0.9375rem;
    }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}
