:root {
    --site-bg: #f6f8fb;
    --site-surface: #ffffff;
    --site-text: #1d3243;
    --site-text-soft: #5f7283;
    --site-border: #dbe4ec;
    --site-accent: #2f6fed;
    --site-shadow: 0 14px 38px rgba(21, 52, 88, 0.08);
    --site-radius: 18px;
    --site-max: 1100px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    font-family: Inter, Arial, Helvetica, sans-serif;
    background: var(--site-bg);
    color: var(--site-text);
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-header {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--site-border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header__inner,
.site-main,
.site-footer__inner {
    width: min(100% - 2rem, var(--site-max));
    margin: 0 auto;
}

.site-header__inner {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-logo {
    display: inline-flex;
    flex-direction: column;
    gap: 0.1rem;
}

.site-logo__eyebrow {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--site-accent);
}

.site-logo__title {
    font-size: 1.2rem;
    font-weight: 800;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.site-nav__link {
    padding: 0.65rem 0.9rem;
    border-radius: 999px;
    font-weight: 600;
    color: var(--site-text-soft);
}

.site-nav__link:hover {
    background: #eaf1ff;
    color: var(--site-accent);
}

/* Shared */
.site-logo__img {
    height: 36px;
    width: auto;
}

/* Hub override */
.hub-topbar .site-logo__img {
    height: 64px;
}

.site-logo {
    display: flex;
    align-items: center;
}
.site-main {
    flex: 1;
    padding-block: 2rem 4rem;
}

.site-hero {
    padding: 2.4rem;
    border-radius: 28px;
    border: 1px solid var(--site-border);
    background: linear-gradient(135deg, #ffffff 0%, #edf4ff 100%);
    box-shadow: var(--site-shadow);
    margin-bottom: 2rem;
}

.site-kicker {
    display: inline-block;
    margin-bottom: 0.9rem;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--site-accent);
}

.site-hero h1,
.site-section__head h2,
.article-card h2,
.article-read h1 {
    margin: 0 0 0.8rem;
    line-height: 1.15;
}

.site-hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.site-hero p,
.site-section__head p,
.article-card p,
.article-read__meta,
.article-read__content p {
    margin: 0;
    color: var(--site-text-soft);
}

.site-section + .site-section {
    margin-top: 2rem;
}

.site-section__head {
    margin-bottom: 1rem;
}

.article-code {
    background: #111827;
    color: #f9fafb;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: monospace;
    font-size: 0.95rem;
    line-height: 1.5;
}

.article-code code {
    white-space: pre-wrap;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.2rem;
}

.article-card {
    grid-column: span 6;
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    border-radius: var(--site-radius);
    box-shadow: var(--site-shadow);
    padding: 1.4rem;
}

.article-card__meta {
    display: inline-flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.8rem;
    color: var(--site-accent);
    font-weight: 700;
    font-size: 0.82rem;
}

.article-card__link {
    display: inline-flex;
    margin-top: 1rem;
    color: var(--site-accent);
    font-weight: 700;
}

.article-read {
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    border-radius: 28px;
    box-shadow: var(--site-shadow);
    padding: 2rem;
}

.article-read__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.article-read__content {
    margin-top: 1.6rem;
}

.article-read__content p + p {
    margin-top: 1rem;
}

.site-empty {
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    border-radius: var(--site-radius);
    padding: 1.5rem;
    color: var(--site-text-soft);
}

.site-footer {
    background: #fff;
    border-top: 1px solid var(--site-border);
}

.site-footer__inner {
    padding: 1.2rem 0 2rem;
    color: var(--site-text-soft);
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .site-header__inner {
        flex-direction: column;
        align-items: flex-start;
        padding-block: 1rem;
    }

    .article-card {
        grid-column: span 12;
    }

    .site-hero,
    .article-read {
        padding: 1.5rem;
    }
}

.demo-banner {
    margin-bottom: 2rem;
}

.demo-banner__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 2rem;
    border-radius: 28px;
    border: 1px solid var(--site-border);
    background: linear-gradient(135deg, #ffffff 0%, #edf4ff 100%);
    box-shadow: var(--site-shadow);
}

.demo-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.site-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0.85rem 1.2rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    transition: 0.2s ease;
}

.site-btn--primary {
    background: var(--site-accent);
    color: #fff;
}

.site-btn--secondary {
    background: #fff;
    border: 1px solid var(--site-border);
    color: var(--site-text);
}

@media (max-width: 900px) {
    .demo-banner__inner {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   7. Article Page (Premium Layout)
   ========================================================= */

.article-page {
    padding: 48px 20px 72px;
}

.article-shell {
    max-width: 860px;
    margin: 0 auto;
}

.article-header {
    text-align: center;
    margin-bottom: 32px;
}

.article-back-link {
    display: inline-block;
    margin-bottom: 22px;
    color: var(--site-text-soft);
    text-decoration: none;
    font-weight: 600;
}

.article-back-link:hover {
    color: var(--site-accent);
}

.article-header h1 {
    max-width: 820px;
    margin: 12px auto 16px;
    font-size: clamp(2rem, 5vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.article-lede {
    max-width: 700px;
    margin: 0 auto 18px;
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--site-text-soft);
}

.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px 18px;
    color: var(--site-text-soft);
    font-size: 0.95rem;
}

.article-meta span:not(:last-child)::after {
    content: "•";
    margin-left: 18px;
    color: var(--site-border);
}

/* Hero Image */

.article-hero-image {
    margin: 34px 0 42px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.12);
}

.article-hero-image img {
    display: block;
    width: 100%;
    height: auto;
}

/* Article Content */

.article-content {
    max-width: 720px;
    margin: 0 auto;
    font-size: 1.05rem;
    line-height: 1.85;
}

.article-content p {
    margin: 0 0 1.35em;
}

.article-content ul,
.article-content ol {
    margin: 0 0 1.5em 1.25em;
    padding-left: 1.1em;
}

.article-content li {
    margin-bottom: 0.6em;
}

.article-content strong {
    color: var(--site-text);
}

/* CTA Block */

.article-cta {
    max-width: 720px;
    margin: 48px auto 0;
    padding: 28px;
    border-radius: 22px;
    background: var(--site-surface);
    border: 1px solid var(--site-border);
    text-align: center;
    box-shadow: var(--site-shadow);
}

.article-cta h2 {
    margin-top: 0;
    margin-bottom: 10px;
}

.article-cta p {
    color: var(--site-text-soft);
    margin-bottom: 18px;
}

/* =========================================================
   Responsive Tweaks
   ========================================================= */

@media (max-width: 700px) {

    .article-page {
        padding-top: 32px;
    }

    .article-meta {
        display: block;
    }

    .article-meta span {
        display: block;
        margin-bottom: 4px;
    }

    .article-meta span::after {
        display: none;
    }

    .article-hero-image {
        border-radius: 18px;
    }
}