/* ===========================
   Design Tokens
   =========================== */
:root {
    --color-bg: #0D0D0D;
    --color-surface: #1A1A1A;
    --color-text: #E8E4DF;
    --color-text-muted: #8A8580;
    --color-accent: #D4A853;
    --color-accent-hover: #E0B86A;
    --color-code: #7B9EB8;
    --color-border: #2A2A2A;
    --color-border-hover: #3A3A3A;
    --color-success: #6BA368;

    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-section: clamp(4rem, 8vw, 7rem);

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;

    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --max-width: 896px;
    --max-width-wide: 1140px;

    /* Category colors */
    --cat-terracotta: #C17B5E;
    --cat-steel: #7B9EB8;
    --cat-forest: #6BA368;
    --cat-lavender: #B8A9C9;
    --cat-teal: #9BBEC7;
    --cat-plum: #9B7CB8;
    --cat-tan: #A0856E;
}

/* ===========================
   Reset
   =========================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

img, svg { max-width: 100%; height: auto; display: block; }

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover { color: var(--color-accent-hover); }

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

h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.2;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

/* ===========================
   Layout
   =========================== */
.container {
    width: 100%;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: var(--space-section) 0;
}

/* ===========================
   Header & Nav
   =========================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.nav-logo {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.125rem;
    color: var(--color-text);
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-logo:hover { color: var(--color-accent); }

.logo-dot { color: var(--color-accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.nav-links::-webkit-scrollbar { display: none; }

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
    white-space: nowrap;
}

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

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: filter var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    filter: brightness(1.25);
    color: var(--color-bg);
}

.btn-outline {
    border-color: var(--color-border);
    color: var(--color-text);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-sm {
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
}

/* ===========================
   Hero
   =========================== */
.hero {
    padding: var(--space-3xl) 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    background: rgba(212, 168, 83, 0.08);
    padding: 0.375rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.02em;
}

.hero h1 {
    max-width: 700px;
    margin: 0 auto;
}

.hero-sub {
    margin-top: var(--space-md);
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.hero-actions {
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===========================
   Install
   =========================== */
.install {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.install h2 {
    text-align: center;
    margin-bottom: var(--space-xs);
}

.install-sub {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    margin-bottom: var(--space-xl);
}

.install-steps {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.step-num {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 50%;
    margin-top: 2px;
}

.step-content {
    flex: 1;
    min-width: 0;
}

.step-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: 0.375rem;
    color: var(--color-text);
}

.step-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    line-height: 1.5;
}

/* ===========================
   Troubleshooting
   =========================== */
.troubleshooting {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.troubleshooting h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.trouble-item {
    margin-bottom: 1.5rem;
}

.trouble-item:last-child {
    margin-bottom: 0;
}

.trouble-q {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-accent);
    margin-bottom: 0.375rem;
    font-weight: 500;
}

.trouble-a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.trouble-a code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    background: var(--color-bg);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* ===========================
   Code Blocks
   =========================== */
.code-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    gap: var(--space-sm);
    overflow: hidden;
    min-width: 0;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--color-code);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
    background: none;
    border: none;
    padding: 0;
}

.code-block-sm {
    padding: 0.5rem 0.75rem;
}

.code-block-sm code {
    font-size: 0.6875rem;
}

.copy-btn {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.copy-btn:hover {
    color: var(--color-text);
}

.copy-btn.copied {
    color: var(--color-success);
}

/* ===========================
   Plugins Grid
   =========================== */
.plugins + .plugins {
    border-top: 1px solid var(--color-border-hover);
}

.plugins h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.plugins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
}

.plugin-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition);
    overflow: hidden;
    min-width: 0;
}

.plugin-card:hover {
    border-color: var(--color-border-hover);
    cursor: pointer;
}

.card-link {
    color: inherit;
    text-decoration: none;
}

.card-link::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
}

.plugin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.plugin-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 168, 83, 0.08);
    color: var(--color-accent);
    border-radius: var(--radius-md);
}

.plugin-version {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

.plugin-version.tag-ga {
    color: var(--color-success);
    border-color: rgba(107, 163, 104, 0.3);
}

.plugin-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-xs);
}

.plugin-tagline {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.plugin-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
    flex: 1;
}

.plugin-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: var(--space-md);
}

.tag {
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    background: rgba(138, 133, 128, 0.08);
    border: 1px solid var(--color-border);
    padding: 0.1875rem 0.5rem;
    border-radius: var(--radius-sm);
}

.plugin-footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
    min-width: 0;
}


/* ===========================
   Section Intros
   =========================== */
.section-intro {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    max-width: 640px;
    margin: var(--space-sm) auto 0;
    line-height: 1.7;
}

/* ===========================
   Capability Groups
   =========================== */
.capabilities-section .plugins-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.capability-group {
    margin-bottom: var(--space-2xl);
}

.capability-group:last-child {
    margin-bottom: 0;
}

.capability-name {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.capability-desc {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

/* ===========================
   Compact Provider Cards
   =========================== */
.plugin-card-compact {
    padding: var(--space-md);
}

.plugin-card-compact .plugin-desc {
    font-size: 0.875rem;
    line-height: 1.6;
}

.plugin-icon-sm {
    width: 32px;
    height: 32px;
}

/* ===========================
   About
   =========================== */
.about {
    border-top: 1px solid var(--color-border);
}

.about-content {
    max-width: 640px;
}

.about h2 {
    margin-bottom: var(--space-md);
}

.about p {
    font-size: 1.0625rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.about p + p {
    margin-top: var(--space-sm);
}

/* ===========================
   Footer
   =========================== */
.site-footer {
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--color-border);
}

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

.site-footer p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-note {
    color: var(--color-text-muted);
}

.powered-by {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    opacity: 0.6;
}

.powered-by a {
    color: var(--color-text-muted);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.powered-by a:hover {
    color: var(--color-accent);
}

/* ===========================
   Category Colors
   =========================== */
.cat-frameworks .plugin-card {
    background: #C17B5E0a;
    border-color: #C17B5E20;
}
.cat-frameworks .plugin-card:hover { border-color: #C17B5E40; }
.cat-frameworks .plugin-icon { background: #C17B5E15; color: var(--cat-terracotta); }
.cat-frameworks .tag { background: #C17B5E15; border-color: #C17B5E20; color: var(--cat-terracotta); }
.cat-frameworks .plugin-tagline { color: var(--cat-terracotta); }

.cat-toolkits .plugin-card {
    background: #7B9EB80a;
    border-color: #7B9EB820;
}
.cat-toolkits .plugin-card:hover { border-color: #7B9EB840; }
.cat-toolkits .plugin-icon { background: #7B9EB815; color: var(--cat-steel); }
.cat-toolkits .tag { background: #7B9EB815; border-color: #7B9EB820; color: var(--cat-steel); }
.cat-toolkits .plugin-tagline { color: var(--cat-steel); }

.cat-apps .plugin-card {
    background: #6BA3680a;
    border-color: #6BA36820;
}
.cat-apps .plugin-card:hover { border-color: #6BA36840; }
.cat-apps .plugin-icon { background: #6BA36815; color: var(--cat-forest); }
.cat-apps .tag { background: #6BA36815; border-color: #6BA36820; color: var(--cat-forest); }
.cat-apps .plugin-tagline { color: var(--cat-forest); }

.cat-capabilities .plugin-card {
    background: #B8A9C90a;
    border-color: #B8A9C920;
}
.cat-capabilities .plugin-card:hover { border-color: #B8A9C940; }
.cat-capabilities .plugin-icon { background: #B8A9C915; color: var(--cat-lavender); }
.cat-capabilities .tag { background: #B8A9C915; border-color: #B8A9C920; color: var(--cat-lavender); }
.cat-capabilities .capability-name { color: var(--cat-lavender); }

.cat-data .plugin-card {
    background: #9BBEC70a;
    border-color: #9BBEC720;
}
.cat-data .plugin-card:hover { border-color: #9BBEC740; }
.cat-data .plugin-icon { background: #9BBEC715; color: var(--cat-teal); }
.cat-data .tag { background: #9BBEC715; border-color: #9BBEC720; color: var(--cat-teal); }
.cat-data .capability-name { color: var(--cat-teal); }

.cat-marketplace .plugin-card {
    background: #9B7CB80a;
    border-color: #9B7CB820;
}
.cat-marketplace .plugin-card:hover { border-color: #9B7CB840; }
.cat-marketplace .plugin-icon { background: #9B7CB815; color: var(--cat-plum); }
.cat-marketplace .tag { background: #9B7CB815; border-color: #9B7CB820; color: var(--cat-plum); }
.cat-marketplace .plugin-tagline { color: var(--cat-plum); }

/* ===========================
   Animations
   =========================== */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.5s ease, transform 0.5s ease;
    }

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Responsive — 640px+
   =========================== */
@media (min-width: 640px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.875rem; }
    h3 { font-size: 1.5rem; }
    body { font-size: 1.0625rem; }
}

/* ===========================
   Tablet Nav
   =========================== */
@media (max-width: 860px) and (min-width: 641px) {
    .nav-links a:not(.btn) {
        display: none;
    }
}

/* ===========================
   Mobile
   =========================== */
@media (max-width: 640px) {
    .plugins-grid {
        grid-template-columns: 1fr;
    }

    .code-block code {
        font-size: 0.75rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 0.25rem;
        text-align: center;
    }

    .nav-links {
        gap: var(--space-sm);
    }

    .nav-links a:not(.btn) {
        display: none;
    }

    .nav-links a.btn {
        font-size: 0.75rem;
    }

    .nav-logo {
        font-size: 0.95rem;
    }
}