/* Vigo public site — clean, minimal, professional */

:root {
    --color-bg: #ffffff;
    --color-text: #1a202c;
    --color-muted: #6b7280;
    --color-brand: #2563eb;
    --color-brand-dark: #1d4ed8;
    --color-border: #e5e7eb;
    --color-surface: #f9fafb;
    --color-code-bg: #f3f4f6;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Header --- */

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.site-header__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-header__logo-img {
    height: 30px;
}

.site-nav { display: flex; gap: 4px; }

.site-nav__link {
    padding: 6px 12px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-muted);
    transition: color 0.15s, background 0.15s;
}

.site-nav__link:hover { color: var(--color-text); background: var(--color-surface); }
.site-nav__link--active { color: var(--color-brand); background: rgba(37, 99, 235, 0.08); }

/* --- Hero --- */

.hero {
    background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%);
    padding: 80px 24px;
    text-align: center;
}

.hero__inner { max-width: 720px; margin: 0 auto; }
.hero__title { font-size: 40px; font-weight: 800; line-height: 1.15; letter-spacing: -1px; margin-bottom: 16px; }
.hero__subtitle { font-size: 18px; color: var(--color-muted); line-height: 1.6; margin-bottom: 32px; }

.hero__actions { display: flex; gap: 12px; justify-content: center; }

.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s;
}

.btn--primary { background: var(--color-brand); color: #fff; }
.btn--primary:hover { background: var(--color-brand-dark); }
.btn--secondary { background: var(--color-bg); color: var(--color-text); border: 1px solid var(--color-border); }
.btn--secondary:hover { background: var(--color-surface); }

/* --- Features grid --- */

.features { padding: 64px 24px; max-width: var(--max-width); margin: 0 auto; }

.features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg);
}

.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--color-muted); line-height: 1.5; }
.feature-card code { font-family: var(--font-mono); font-size: 13px; background: var(--color-code-bg); padding: 1px 5px; border-radius: 4px; }

/* --- Quickstart --- */

.quickstart { padding: 48px 24px; background: var(--color-surface); text-align: center; }
.quickstart__inner { max-width: 600px; margin: 0 auto; }
.quickstart__inner h2 { margin-bottom: 16px; font-size: 24px; }
.quickstart__inner p { color: var(--color-muted); font-size: 14px; margin-top: 12px; }

.code-block {
    background: #1e1e2e;
    color: #cdd6f4;
    border-radius: 8px;
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 15px;
    text-align: left;
    overflow-x: auto;
}

/* --- Hero note --- */

.hero__note { font-size: 13px; color: var(--color-muted); margin-top: 12px; }

/* --- Comparison table --- */

.comparison { padding: 64px 24px; background: var(--color-surface); }
.comparison__inner { max-width: var(--max-width); margin: 0 auto; }
.comparison__inner h2 { text-align: center; margin-bottom: 24px; font-size: 28px; }
.comparison__table-wrapper { overflow-x: auto; }

.comparison__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.comparison__table th {
    padding: 10px 16px;
    text-align: center;
    font-weight: 600;
    border-bottom: 2px solid var(--color-border);
}

.comparison__table td {
    padding: 8px 16px;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.comparison__label { text-align: left !important; font-weight: 500; }

.comparison__baseline { font-size: 13px; color: var(--color-muted); text-align: center; margin-bottom: 20px; line-height: 1.5; }
.comparison__baseline a { color: var(--color-brand); text-decoration: none; }
.comparison__baseline a:hover { text-decoration: underline; }
.comparison__footnote { font-size: 12px; color: var(--color-muted); margin-top: 12px; text-align: center; }
.comparison__footnote a { color: var(--color-brand); text-decoration: none; }
.comparison__footnote a:hover { text-decoration: underline; }

.comparison__highlight {
    background: rgba(37, 99, 235, 0.04);
}

th.comparison__highlight {
    color: var(--color-brand);
    font-size: 16px;
}

/* --- Advantages --- */

.advantages { padding: 64px 24px; max-width: var(--max-width); margin: 0 auto; }

.advantages__inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.advantage { text-align: center; }
.advantage__icon { font-size: 32px; margin-bottom: 8px; }
.advantage h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }

.advantage__stat {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-brand);
    margin-bottom: 8px;
}

.advantage p:last-child { font-size: 14px; color: var(--color-muted); line-height: 1.5; }

.quickstart--alt { background: var(--color-bg); }

/* --- Quickstart extras --- */

.quickstart__platforms { font-size: 13px; color: var(--color-muted); margin-top: 8px; }
.quickstart__platforms code { font-family: var(--font-mono); font-size: 12px; background: var(--color-code-bg); padding: 2px 5px; border-radius: 3px; }

/* --- Resilience --- */

.resilience { padding: 48px 24px; background: var(--color-surface); text-align: center; }
.resilience__inner { max-width: 640px; margin: 0 auto; }
.resilience__inner h2 { font-size: 24px; margin-bottom: 12px; }
.resilience__inner p { font-size: 15px; color: var(--color-muted); line-height: 1.6; }

/* --- CTA --- */

.cta { padding: 64px 24px; text-align: center; }
.cta__inner { max-width: 500px; margin: 0 auto; }
.cta__inner h2 { font-size: 28px; margin-bottom: 8px; }
.cta__inner p { font-size: 16px; color: var(--color-muted); margin-bottom: 20px; }

/* --- Platforms --- */

.platforms { padding: 48px 24px; max-width: 900px; margin: 0 auto; }
.platforms__desc { text-align: center; color: var(--color-muted); font-size: 15px; margin-bottom: 24px; }
.platforms__desc code { font-family: var(--font-mono); font-size: 13px; background: var(--color-code-bg); padding: 2px 5px; border-radius: 3px; }
.platforms__inner h2 { text-align: center; margin-bottom: 24px; font-size: 24px; }

.platforms__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.platforms__table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
}

.platforms__table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
}

/* --- Page hero --- */

.page-hero { background: linear-gradient(135deg, #eff6ff 0%, #f0fdf4 100%); padding: 48px 24px; text-align: center; }
.page-hero__inner { max-width: 640px; margin: 0 auto; }
.page-hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
.page-hero p { font-size: 16px; color: var(--color-muted); }

/* --- Differentiators --- */

.diff-section { padding: 48px 24px; }
.diff-section--alt { background: var(--color-surface); }
.diff-section__inner { max-width: var(--max-width); margin: 0 auto; }
.diff-section__title { font-size: 24px; font-weight: 800; margin-bottom: 24px; text-align: center; }

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.diff-card {
    padding: 20px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: var(--color-bg);
}

.diff-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.diff-card p { font-size: 13px; color: var(--color-muted); line-height: 1.5; }
.diff-card code { font-family: var(--font-mono); font-size: 12px; background: var(--color-code-bg); padding: 1px 4px; border-radius: 3px; }

/* --- Migration --- */

.migration-compare { padding: 48px 24px; background: var(--color-surface); }
.migration-compare__inner { max-width: var(--max-width); margin: 0 auto; }
.migration-compare__inner h2 { text-align: center; font-size: 24px; margin-bottom: 24px; }

.migration-guides { padding: 48px 24px; }
.migration-guides__inner { max-width: var(--max-width); margin: 0 auto; }
.migration-guides__inner h2 { text-align: center; font-size: 24px; margin-bottom: 24px; }

.migration-guides__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.migration-card {
    display: block;
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    text-decoration: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.migration-card:hover {
    border-color: var(--color-brand);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.migration-card h3 { font-size: 16px; font-weight: 700; color: var(--color-text); margin-bottom: 6px; }
.migration-card p { font-size: 13px; color: var(--color-muted); line-height: 1.5; }

/* --- Page content --- */

.page-content { max-width: 800px; margin: 0 auto; padding: 48px 24px; }

/* --- Pricing cards --- */

.pricing { padding: 48px 24px; }
.pricing__inner { max-width: var(--max-width); margin: 0 auto; }

.pricing__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.pricing__card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    position: relative;
    background: var(--color-bg);
}

.pricing__card--free { background: var(--color-surface); }

.pricing__card--popular {
    border-color: var(--color-brand);
    box-shadow: 0 0 0 1px var(--color-brand);
}

.pricing__badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-brand);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pricing__card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.pricing__price { font-size: 28px; font-weight: 800; color: var(--color-brand); }
.pricing__price span { font-size: 13px; font-weight: 400; color: var(--color-muted); }
.pricing__nodes { font-size: 13px; color: var(--color-muted); margin-bottom: 16px; }

.pricing__features {
    list-style: none;
    text-align: left;
    font-size: 13px;
    margin-bottom: 16px;
}

.pricing__features li {
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

.pricing__features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: #38a169;
    font-weight: 700;
}

/* --- Support detail --- */

.support-detail { padding: 48px 24px; background: var(--color-surface); }
.support-detail__inner { max-width: 800px; margin: 0 auto; }
.support-detail__inner h2 { text-align: center; font-size: 24px; margin-bottom: 4px; }
.support-detail__subtitle { text-align: center; color: var(--color-muted); font-size: 15px; margin-bottom: 24px; }

.support-detail__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.support-detail__table th {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
}

.support-detail__table td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
}

.support-detail__note {
    margin-top: 16px;
    font-size: 13px;
    color: var(--color-muted);
    text-align: center;
}

/* --- Loyalty --- */

.loyalty { padding: 48px 24px; }
.loyalty__inner { max-width: 500px; margin: 0 auto; }
.loyalty__inner h2 { text-align: center; font-size: 24px; margin-bottom: 4px; }
.loyalty__subtitle { text-align: center; color: var(--color-muted); font-size: 15px; margin-bottom: 24px; }

.loyalty__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.loyalty__table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
}

.loyalty__table td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--color-border);
}

/* --- Pricing FAQ --- */

.pricing-faq { padding: 48px 24px; background: var(--color-surface); }
.pricing-faq__inner { max-width: var(--max-width); margin: 0 auto; }
.pricing-faq__inner h2 { text-align: center; font-size: 24px; margin-bottom: 24px; }

.pricing-faq__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.pricing-faq__item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.pricing-faq__item p { font-size: 14px; color: var(--color-muted); line-height: 1.5; }

/* --- Markdown body --- */

.markdown-body h1 { font-size: 32px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
.markdown-body h2 { font-size: 24px; font-weight: 700; margin: 32px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border); }
.markdown-body h3 { font-size: 18px; font-weight: 600; margin: 24px 0 8px; }
.markdown-body h4 { font-size: 15px; font-weight: 600; margin: 20px 0 6px; }
.markdown-body p { margin-bottom: 12px; }
.markdown-body ul, .markdown-body ol { margin: 0 0 12px 24px; }
.markdown-body li { margin-bottom: 4px; }
.markdown-body a { color: var(--color-brand); text-decoration: none; }
.markdown-body a:hover { text-decoration: underline; }

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--color-code-bg);
    padding: 2px 6px;
    border-radius: 4px;
}

.markdown-body pre {
    background: #1e1e2e;
    color: #cdd6f4;
    border-radius: 8px;
    padding: 16px;
    overflow-x: auto;
    margin: 12px 0;
    font-size: 13px;
    line-height: 1.5;
}

.markdown-body pre code { background: none; padding: 0; color: inherit; }

.markdown-body table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
.markdown-body th { text-align: left; padding: 8px 12px; border-bottom: 2px solid var(--color-border); font-weight: 600; background: var(--color-surface); }
.markdown-body td { padding: 8px 12px; border-bottom: 1px solid var(--color-border); }
.markdown-body blockquote { border-left: 3px solid var(--color-brand); padding-left: 16px; color: var(--color-muted); margin: 12px 0; }
.markdown-body img { max-width: 100%; }

/* --- Footer --- */

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 24px;
    text-align: center;
    font-size: 13px;
    color: var(--color-muted);
}

.site-footer a { color: var(--color-brand); text-decoration: none; }

.site-footnote {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 12px 24px 24px;
    font-size: 12px;
    color: var(--color-muted);
}

.site-footnote a { color: var(--color-brand); text-decoration: none; }
.site-footnote a:hover { text-decoration: underline; }

/* --- Screenshots & diagrams --- */

.screenshot {
    max-width: 100%;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.screenshot-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 16px;
}

.screenshot-grid__item {
    text-align: center;
}

.screenshot-grid__item img {
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.screenshot-grid__label {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 8px;
}

.diagram-section {
    padding: 48px 24px;
    text-align: center;
}

.diagram-section--alt { background: var(--color-surface); }

.diagram-section__inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.diagram-section__inner h2 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 24px;
}

.diagram-section__inner img,
.diagram-section__inner svg {
    max-width: 100%;
}

/* --- Stats --- */

.stats-summary { padding: 32px 24px; }
.stats-summary__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.stats-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    background: var(--color-bg);
}

.stats-card__value {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-brand);
    line-height: 1.2;
}

.stats-card__label {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 4px;
}

.stats-period { padding: 0 24px 24px; text-align: center; }
.stats-period__inner { max-width: var(--max-width); margin: 0 auto; display: flex; gap: 8px; justify-content: center; }

.btn--sm {
    padding: 6px 16px;
    font-size: 13px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.15s;
}

.btn--sm:hover { background: var(--color-surface); }
.btn--active { background: var(--color-brand); color: #fff; border-color: var(--color-brand); }
.btn--active:hover { background: var(--color-brand-dark); }

.stats-section { padding: 32px 24px; }
.stats-section--alt { background: var(--color-surface); }
.stats-section__inner { max-width: var(--max-width); margin: 0 auto; }
.stats-section__inner h2 { font-size: 20px; font-weight: 700; margin-bottom: 16px; }

.stats-chart { margin-bottom: 24px; }

.stats-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.stats-table th {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 2px solid var(--color-border);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-muted);
}

.stats-table td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--color-border);
}

.stats-table code {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--color-code-bg);
    padding: 2px 6px;
    border-radius: 4px;
}

.stats-empty { color: var(--color-muted); font-size: 14px; }

.stats-footer { padding: 24px; text-align: center; }
.stats-footer__inner { max-width: var(--max-width); margin: 0 auto; }
.stats-footer__inner p { font-size: 12px; color: var(--color-muted); }

/* --- Terminal code comparison --- */

.code-compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 1100px;
    margin: 0 auto;
}

.code-terminal {
    border-radius: 10px;
    background: #1e1e2e;
    border: 1px solid #313244;
    text-align: left;
    display: flex;
    flex-direction: column;
    font-family: var(--font-mono);
}

.code-terminal__header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: #313244;
    border-radius: 10px 10px 0 0;
}

.code-terminal--vigo .code-terminal__header { background: #1e3a2a; }

.code-terminal__dot { width: 10px; height: 10px; border-radius: 50%; }

.code-terminal__title {
    margin-left: 8px;
    font-size: 12px;
    font-weight: 700;
    color: #cdd6f4;
}

.code-terminal__file {
    padding: 5px 16px;
    font-size: 11px;
    color: #f38ba8;
    background: #181825;
    border-top: 1px solid #313244;
}

.code-terminal--vigo .code-terminal__file { color: #a6e3a1; }

.code-terminal__body {
    margin: 0;
    padding: 12px 16px;
    font-size: 12.5px;
    line-height: 1.5;
    color: #cdd6f4;
    flex: 1 0 auto;
}

.code-terminal__footer {
    padding: 8px 16px;
    font-size: 11px;
    color: #6c7086;
    background: #181825;
    border-top: 1px solid #313244;
    text-align: center;
    border-radius: 0 0 10px 10px;
}

.s-kw { color: #cba6f7; }
.s-ty { color: #89dceb; }
.s-st { color: #a6e3a1; }
.s-vl { color: #fab387; }
.s-fn { color: #89b4fa; }
.s-rs { color: #f9e2af; }
.s-cm { color: #6c7086; }
.s-vr { color: #f38ba8; }

/* --- Responsive --- */

@media (max-width: 768px) {
    .features__grid { grid-template-columns: 1fr; }
    .advantages__inner { grid-template-columns: 1fr; }
    .hero__title { font-size: 28px; }
    .hero__subtitle { font-size: 16px; }
    .advantage__stat { font-size: 18px; }

    .comparison__table { font-size: 12px; }
    .comparison__table th, .comparison__table td { padding: 6px 8px; }
    .pricing__cards { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .pricing-faq__grid { grid-template-columns: 1fr; }
    .diff-grid { grid-template-columns: 1fr; }
    .migration-guides__grid { grid-template-columns: 1fr; }
    .stats-summary__inner { grid-template-columns: repeat(2, 1fr); }
    .screenshot-grid { grid-template-columns: 1fr; }
    .code-compare-grid { grid-template-columns: 1fr; }
}