:root {
    /* Color Palette */
    --color-primary: #df8d53;
    --color-secondary: #53a5df;
    --color-accent: #ac5a20;
    --color-background: #ffffff;
    --color-surface: #f4f2f1;
    --color-text: #000000;
    --color-text-light: #555555;
    --color-white: #ffffff;

    /* Spacing */
    --container-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;

    /* Typography */
    --font-heading: 'Open Sans', sans-serif;
    --font-body: 'Mukta', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-accent);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-text);
}

.btn-secondary:hover {
    filter: brightness(1.1);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.section {
    padding: var(--spacing-lg) 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: -3rem auto 3rem auto;
    color: var(--color-text-light);
    font-size: 1.25rem;
}

/* Navbar */
.navbar {
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-links a:hover {
    color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    margin: 5px 0;
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, #fdfbf9 0%, #f4f2f1 100%);
}

.hero-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-text .highlight {
    color: var(--color-primary);
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hero-image {
    flex: 1;
}

.hero-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.hero-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Features */
.features {
    background-color: var(--color-white);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Gallery */
.gallery {
    background-color: #faf9f8;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.gallery-item {
    background: var(--color-white);
    padding: var(--spacing-sm);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

.gallery-item img {
    border-radius: 4px;
    width: 100%;
}

.gallery-item .caption {
    margin-top: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text-light);
    text-align: center;
}

/* PyPangolin Section */
.pypangolin {
    background-color: #f9f7f5;
}

.pypangolin code {
    background-color: var(--color-surface);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--color-accent);
}

.pypangolin-intro {
    margin-bottom: var(--spacing-lg);
}

.feature-highlight {
    background: linear-gradient(135deg, #fdfbf9 0%, #f4f2f1 100%);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    border-left: 4px solid var(--color-primary);
}

.feature-highlight h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-highlight .btn {
    margin: var(--spacing-sm) 0.5rem 0 0.5rem;
}

.subsection-title {
    font-size: 1.75rem;
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
    text-align: center;
}

.subsection-description {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.format-grid, .database-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.format-card, .db-card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.format-card:hover, .db-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.format-icon, .db-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.format-card h4, .db-card h4 {
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.format-card p, .db-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge.tested {
    background-color: #d4edda;
    color: #155724;
}

.badge.supported {
    background-color: #d1ecf1;
    color: #0c5460;
}

.badge.untested {
    background-color: #fff3cd;
    color: #856404;
}

.pypangolin-features {
    margin-top: var(--spacing-lg);
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 8px;
}

.feature-item .check {
    color: #28a745;
    font-size: 1.5rem;
    font-weight: bold;
}

.feature-item strong {
    display: block;
    margin-bottom: 0.25rem;
}

.feature-item p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin: 0;
}

/* Ecosystem */
.ecosystem {
    background-color: var(--color-white);
    text-align: center;
}

.ecosystem-cards {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-md) 0 var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.eco-card {
    background-color: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: 12px;
    max-width: 400px;
    flex: 1;
    text-align: left;
}

.eco-card h3 {
    margin-bottom: var(--spacing-xs);
}

.eco-card.polaris {
    border-left: 4px solid #005f9e; /* Apache Color approx */
}

.eco-card.dremio {
    border-left: 4px solid #53a5df;
}

.eco-card .link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 600;
}

.community-highlight {
    background-color: #ebf5fa;
    padding: var(--spacing-md);
    border-radius: 12px;
    margin-top: var(--spacing-lg);
    display: inline-block;
}

/* Footer */
.footer {
    background-color: var(--color-surface);
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
    margin-top: var(--spacing-lg);
}

.footer-sections {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.footer-col h4 {
    margin-bottom: var(--spacing-sm);
}

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

.footer-bottom {
    text-align: center;
    border-top: 1px solid #ddd;
    padding-top: var(--spacing-md);
    color: var(--color-text-light);
}

/* Version / status badges */
.badge-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.pill {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.pill-version {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.pill-alpha {
    background-color: #fef3c7;
    color: #92400e;
}

.pill-security {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Callouts */
.callout {
    padding: var(--spacing-md);
    border-radius: 12px;
    margin: var(--spacing-md) 0;
}

.callout h3, .callout h4 {
    margin-bottom: var(--spacing-xs);
}

.callout p:last-child, .callout ul:last-child {
    margin-bottom: 0;
}

.callout ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-top: var(--spacing-xs);
}

.callout li {
    margin-bottom: 0.35rem;
}

.callout-alert {
    background-color: #fef2f2;
    border-left: 4px solid #dc2626;
}

.callout-alert h3, .callout-alert h4 { color: #991b1b; }

.callout-warn {
    background-color: #fef3c7;
    border-left: 4px solid #f59e0b;
}

.callout-warn h3, .callout-warn h4 { color: #92400e; }

.callout-info {
    background-color: #ebf5fa;
    border-left: 4px solid var(--color-secondary);
}

.callout-ok {
    background-color: #ecfdf5;
    border-left: 4px solid #10b981;
}

.callout-ok h3, .callout-ok h4 { color: #065f46; }

/* Maturity table */
.table-wrap {
    overflow-x: auto;
    margin: var(--spacing-md) 0;
    -webkit-overflow-scrolling: touch;
}

table.maturity {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

table.maturity th, table.maturity td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
    font-size: 0.95rem;
}

table.maturity th {
    background-color: var(--color-surface);
    font-family: var(--font-heading);
    font-weight: 700;
}

table.maturity tr:last-child td {
    border-bottom: none;
}

.m {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

.m-solid   { background-color: #d1fae5; color: #065f46; }
.m-good    { background-color: #d4edda; color: #155724; }
.m-new     { background-color: #dbeafe; color: #1e40af; }
.m-beta    { background-color: #fff3cd; color: #856404; }
.m-partial { background-color: #ffedd5; color: #9a3412; }
.m-missing { background-color: #fee2e2; color: #991b1b; }

/* Two-column readiness lists */
.split-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.split-col {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.split-col h3 {
    margin-bottom: var(--spacing-sm);
}

.split-col ul {
    list-style: none;
}

.split-col li {
    padding-left: 1.75rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--color-text-light);
}

.split-col li strong {
    color: var(--color-text);
}

.split-col.ready li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
}

.split-col.notyet li::before {
    content: "○";
    position: absolute;
    left: 0;
    color: #f59e0b;
    font-weight: 700;
}

/* Coverage lists */
.coverage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.coverage-col h4 {
    margin-bottom: var(--spacing-xs);
}

.coverage-col code {
    display: inline-block;
    background-color: var(--color-surface);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    margin: 0.15rem 0.15rem 0.15rem 0;
    color: var(--color-accent);
}

/* Video gallery */
.videos {
    background-color: #faf9f8;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.video-card {
    background-color: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}

.video-frame {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: #0d1117;
}

.video-frame video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-meta {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.video-meta h3 {
    font-size: 1.15rem;
    margin-bottom: 0.35rem;
}

.video-meta p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.video-duration {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.video-note {
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-top: var(--spacing-md);
}

/* Generic page header (sub-pages) */
.page-header {
    padding: 4rem 0 3rem;
    background: linear-gradient(135deg, #fdfbf9 0%, #f4f2f1 100%);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.page-header p.lede {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 760px;
}

.prose h3 {
    margin-top: var(--spacing-md);
}

.prose p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.prose ul {
    list-style: disc;
    margin-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.prose li {
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.prose li strong, .prose p strong {
    color: var(--color-text);
}

.prose code {
    background-color: var(--color-surface);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--color-accent);
}

.prose pre {
    background: #1f2937;
    color: #d1fae5;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
}

.prose pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.prose a {
    color: var(--color-accent);
    font-weight: 600;
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hide for now, JS needed for toggle */
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-white);
        padding: var(--spacing-md);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero-content {
        flex-direction: column-reverse;
        text-align: center;
    }

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

    .hero-actions {
        justify-content: center;
    }

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

    .ecosystem-cards {
        flex-direction: column;
    }

    .page-header h1 {
        font-size: 2.25rem;
    }

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

    .footer-sections {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}