@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');
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@media(max-width:720px){.wrap{padding-left:22px;padding-right:22px}.nav{min-height:76px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;gap:12px}nav{order:2;width:100%;overflow:auto;white-space:nowrap;padding-bottom:4px;gap:22px;font-size:.8125rem}.brand{font-size:1.4rem}.brand-icon{width:34px;height:34px}.hero{grid-template-columns:1fr;padding-top:45px;padding-bottom:45px;gap:38px}.hero h1{font-size:clamp(2.55rem,9vw,3.6rem)}.hero .eyebrow{font-size:.6875rem}.lead{font-size:1rem}.hero-note{font-size:.75rem}.flow-board{padding:24px}.flow-node strong{font-size:.9375rem}.topic-strip .wrap{justify-content:flex-start;gap:16px 26px}.topic-strip span{font-size:.875rem}.topic-strip span:first-child{width:100%;font-size:.6875rem}.section{padding-top:50px;padding-bottom:50px}.section-heading{display:block;margin-bottom:26px}.section-heading>p,.section-note{display:block;margin-top:20px;max-width:none}.path-grid,.future-grid{grid-template-columns:1fr;gap:18px}.card-top{margin-bottom:18px}.path-card p{margin-bottom:20px}.article-row{gap:12px;padding:23px 0}.article-row h3{font-size:1.125rem}.article-row p{font-size:.875rem}.workflow-feature{grid-template-columns:1fr;gap:30px}.workflow-paper{padding:25px}.future-grid{gap:27px}.about{grid-template-columns:1fr;gap:24px;padding-top:45px;padding-bottom:45px}.about-monogram{width:65px;height:65px;font-size:1.6rem}.about-monogram span{margin-bottom:8px}.about>a{grid-column:1}.about h2{font-size:1.35rem}.footer-main{flex-wrap:wrap;gap:15px}.footer-main p{width:100%;order:3}.footer-bottom{gap:15px;flex-wrap:wrap}.article-shell{padding:35px 22px 60px}.article-intro{font-size:1rem}.prose pre{padding:16px;font-size:.8125rem}.prose table{font-size:.8125rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Cường AI wordmark: quiet typography without directional symbols. */
.brand{gap:9px;letter-spacing:-.055em}.brand-name{font-weight:800}.brand-ai{font-size:.64em;letter-spacing:.01em;font-weight:600;color:var(--blue);border:1px solid #bdceef;border-radius:6px;padding:1px 7px;line-height:1.5}.about-monogram{background:transparent;border:1px solid var(--line);font-family:Georgia,serif;font-size:3.4rem;font-weight:400;letter-spacing:-.08em}.nav-cta:hover{border-color:var(--blue);color:var(--blue)}.card-bottom{color:var(--blue)}.text-link{text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px}.next-read:hover{border-color:var(--blue)}

/* Shared editorial footer */
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@media(max-width:900px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}.footer-founder{max-width:230px}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px 22px;padding:42px 0 34px}.footer-identity{grid-column:1/-1}.footer-wordmark{font-size:2.8rem}.footer-identity>p{margin-top:18px}.footer-founder{max-width:none}.footer-links{gap:12px;padding-top:0}.footer-links h2{margin-bottom:6px}.footer-links a{font-size:.875rem}.footer-baseline{flex-wrap:wrap;gap:12px 20px;justify-content:space-between}.footer-baseline>span:nth-child(2){display:none}}