*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--mb-background, #f5f7fb);
    color: var(--mb-text, #172033);
    font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--mb-primary, #2563eb); text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input, textarea, select { font: inherit; }
.shell { width: min(calc(100% - 2rem), var(--mb-width, 1180px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 9999; left: 1rem; top: -5rem; padding: .8rem 1rem; background: #fff; border-radius: 10px; font-weight: 700; }
.skip-link:focus { top: 1rem; }

.site-header { position: relative; z-index: 50; background: color-mix(in srgb, var(--mb-surface) 94%, transparent); border-bottom: 1px solid rgba(23, 32, 51, .08); backdrop-filter: blur(16px); transition: box-shadow .2s ease, background .2s ease; }
.site-header.is-sticky { position: sticky; top: 0; }
.site-header.is-scrolled { box-shadow: 0 12px 30px rgba(20, 31, 50, .10); }
.site-header__inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; color: var(--mb-text); text-decoration: none; min-width: 0; }
.brand__mark { width: 44px; height: 44px; display: grid; place-items: center; flex: 0 0 auto; color: #fff; font-weight: 800; font-size: 1.2rem; border-radius: 14px; background: linear-gradient(135deg, var(--mb-primary), var(--mb-accent)); box-shadow: 0 10px 24px color-mix(in srgb, var(--mb-primary) 30%, transparent); }
.brand__logo { max-width: 170px; max-height: 52px; object-fit: contain; }
.brand__words { display: grid; line-height: 1.15; }
.brand__words strong { font-size: 1.03rem; letter-spacing: -.02em; }
.brand__words small { margin-top: .25rem; color: var(--mb-muted); font-size: .72rem; }
.site-navigation { display: flex; align-items: center; gap: 1rem; }
.nav-list, .nav-list ul, .footer-links { list-style: none; padding: 0; margin: 0; }
.nav-list { display: flex; align-items: center; gap: .2rem; }
.nav-list li { position: relative; }
.nav-link { display: block; padding: .65rem .8rem; color: var(--mb-text); border-radius: 10px; font-weight: 600; font-size: .92rem; text-decoration: none; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.menu-current, .nav-link.menu-parent { background: color-mix(in srgb, var(--mb-primary) 10%, transparent); color: var(--mb-primary); outline: none; }
.nav-list ul { display: none; position: absolute; top: 100%; left: 0; min-width: 220px; padding: .5rem; background: var(--mb-surface); border: 1px solid rgba(23, 32, 51, .08); border-radius: 14px; box-shadow: 0 20px 45px rgba(20, 31, 50, .16); }
.nav-list li:hover > ul, .nav-list li:focus-within > ul { display: block; }
.nav-list ul .nav-link { white-space: nowrap; }
.header-search { position: relative; }
.header-search input { width: 125px; padding: .55rem 2.1rem .55rem .75rem; border: 1px solid rgba(23, 32, 51, .14); border-radius: 10px; background: var(--mb-background); transition: width .2s ease, border-color .2s ease; }
.header-search input:focus { width: 190px; border-color: var(--mb-primary); outline: 3px solid color-mix(in srgb, var(--mb-primary) 16%, transparent); }
.header-search button { position: absolute; right: .2rem; top: .18rem; border: 0; background: transparent; color: var(--mb-muted); font-size: 1.25rem; cursor: pointer; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; padding: 10px; background: transparent; border-radius: 10px; }
.nav-toggle > span:not(.sr-only) { display: block; height: 2px; background: var(--mb-text); margin: 5px 0; border-radius: 2px; }

.page-hero { position: relative; overflow: hidden; isolation: isolate; color: #fff; background: linear-gradient(128deg, color-mix(in srgb, var(--mb-primary) 92%, #0b1020), color-mix(in srgb, var(--mb-accent) 86%, #101827)); }
.page-hero__inner { position: relative; z-index: 2; min-height: clamp(330px, 47vw, 520px); display: grid; align-content: center; justify-items: start; padding-block: clamp(4rem, 10vw, 7rem); }
.page-hero__inner h1 { max-width: 850px; margin: .35rem 0 1rem; font-size: clamp(2.6rem, 7vw, 5.2rem); line-height: .98; letter-spacing: -.055em; }
.page-hero__lede { max-width: 700px; margin: 0 0 1.5rem; color: rgba(255,255,255,.84); font-size: clamp(1.05rem, 2vw, 1.28rem); }
.eyebrow { margin: 0; font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.72); }
.page-hero__glow { position: absolute; z-index: 1; border-radius: 999px; filter: blur(2px); opacity: .35; }
.page-hero__glow--one { width: 450px; height: 450px; right: -100px; top: -180px; background: #fff; }
.page-hero__glow--two { width: 280px; height: 280px; right: 24%; bottom: -200px; background: #38bdf8; }
.page-hero--content { padding-block: clamp(2rem, 6vw, 5rem); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: .7rem 1.15rem; border-radius: 12px; font-weight: 700; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease; }
.button:hover { transform: translateY(-2px); }
.button--light { background: #fff; color: #111827; box-shadow: 0 12px 30px rgba(0,0,0,.16); }

.site-main { padding-block: clamp(2rem, 6vw, 5rem); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.5rem; align-items: start; }
.has-sidebar .content-layout { grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); }
.content-card, .sidebar-card { min-width: 0; background: var(--mb-surface); border: 1px solid rgba(23, 32, 51, .08); border-radius: var(--mb-radius); box-shadow: 0 18px 55px rgba(20, 31, 50, .07); }
.content-card { padding: clamp(1.4rem, 5vw, 3.5rem); }
.sidebar-card { padding: 1.4rem; position: sticky; top: 100px; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose h1, .prose h2, .prose h3, .prose h4 { line-height: 1.14; letter-spacing: -.035em; }
.prose h2 { margin-top: 2.2rem; font-size: clamp(1.65rem, 4vw, 2.3rem); }
.prose h3 { margin-top: 1.8rem; font-size: 1.35rem; }
.prose p, .prose li { color: color-mix(in srgb, var(--mb-text) 85%, var(--mb-muted)); }
.prose blockquote { margin: 2rem 0; padding: 1.2rem 1.4rem; border-left: 4px solid var(--mb-accent); background: color-mix(in srgb, var(--mb-accent) 7%, var(--mb-surface)); border-radius: 0 14px 14px 0; }
.prose table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 12px; }
.prose th, .prose td { padding: .75rem; border-bottom: 1px solid rgba(23, 32, 51, .1); text-align: left; }
.prose th { background: color-mix(in srgb, var(--mb-primary) 8%, var(--mb-surface)); }

.pre-footer { padding: 0 0 clamp(2rem, 5vw, 4rem); }
.site-footer { padding: clamp(2.5rem, 7vw, 4.5rem) 0 1.4rem; background: #101827; color: rgba(255,255,255,.72); }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: start; }
.site-footer__brand { display: block; color: #fff; font-size: 1.2rem; }
.site-footer p { max-width: 600px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .7rem 1.2rem; }
.footer-links a { color: rgba(255,255,255,.85); text-decoration: none; }
.footer-links a:hover { color: #fff; }
.site-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); font-size: .78rem; }

.modern-section { margin-block: 1.5rem; }
.modern-section__inner { padding: clamp(1.4rem, 4vw, 2.6rem); background: var(--mb-surface); border: 1px solid rgba(23, 32, 51, .08); border-radius: var(--mb-radius); }
.modern-section--accent .modern-section__inner { color: #fff; border: 0; background: linear-gradient(135deg, var(--mb-primary), var(--mb-accent)); }
.modern-section__eyebrow { color: var(--mb-accent); font-weight: 800; font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; }
.modern-section--accent .modern-section__eyebrow { color: rgba(255,255,255,.72); }
.modern-section__title { margin: .35rem 0 .8rem; font-size: clamp(1.6rem, 4vw, 2.5rem); line-height: 1.08; letter-spacing: -.04em; }
.modern-section__body { color: var(--mb-muted); }
.modern-section--accent .modern-section__body { color: rgba(255,255,255,.82); }
.modern-section__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 1rem; margin-top: 1.4rem; }
.modern-item { padding: 1.2rem; background: color-mix(in srgb, var(--mb-background) 70%, var(--mb-surface)); border-radius: calc(var(--mb-radius) * .7); }
.modern-item h3 { margin: 0 0 .4rem; font-size: 1.06rem; }
.modern-item p { margin: 0; color: var(--mb-muted); }
.modern-section--split .modern-section__inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 5vw, 4rem); align-items: center; }
.modern-section__image { width: 100%; min-height: 260px; height: 100%; object-fit: cover; border-radius: calc(var(--mb-radius) * .75); }
.modern-stat strong { display: block; font-size: 2.2rem; line-height: 1; color: var(--mb-primary); }
.modern-quote { font-size: clamp(1.3rem, 3vw, 2rem); line-height: 1.35; font-weight: 600; }

@media (max-width: 899px) {
    .brand__words small { display: none; }
    .nav-toggle { display: block; }
    .site-navigation { display: none; position: absolute; left: 1rem; right: 1rem; top: calc(100% + .55rem); max-height: calc(100vh - 100px); overflow: auto; padding: 1rem; background: var(--mb-surface); border: 1px solid rgba(23, 32, 51, .1); border-radius: 16px; box-shadow: 0 24px 60px rgba(20, 31, 50, .2); }
    .site-navigation.is-open { display: block; }
    .nav-list { display: block; }
    .nav-list ul { display: block; position: static; padding: 0 0 0 .9rem; background: transparent; border: 0; box-shadow: none; }
    .header-search { margin-top: .7rem; }
    .header-search input, .header-search input:focus { width: 100%; }
    .has-sidebar .content-layout { grid-template-columns: 1fr; }
    .sidebar-card { position: static; }
    .modern-section--split .modern-section__inner { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
    .shell { width: min(calc(100% - 1rem), var(--mb-width)); }
    .site-header__inner { min-height: 66px; }
    .brand__mark { width: 39px; height: 39px; border-radius: 12px; }
    .page-hero__inner { min-height: 320px; }
    .content-card { padding: 1.2rem; border-radius: calc(var(--mb-radius) * .75); }
    .site-footer__grid { grid-template-columns: 1fr; }
    .footer-links { justify-content: flex-start; }
    .site-footer__bottom { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
    .site-header, .page-hero, .site-footer, .sidebar-card { display: none !important; }
    body { background: #fff; color: #000; }
    .content-card { border: 0; box-shadow: none; padding: 0; }
}