/* A consistent Vietnamese-capable system stack avoids mixed serif fallback glyphs. */
:root{--font-ui:Arial,"Helvetica Neue",Helvetica,sans-serif}
body,input,select,textarea,button{font-family:var(--font-ui)}
h1,h2,h3,.insight-grid h3,.phone,.mark,.experience-number{font-family:var(--font-ui);font-synthesis:none;letter-spacing:normal}
h1,h2{font-weight:600;line-height:1.28}
h1{font-size:clamp(38px,4vw,56px)}
h2{font-size:clamp(30px,3.1vw,43px)}
h1 em,h2 em{font-style:normal;font-weight:600}
h3{font-weight:600;line-height:1.45}
.insight-grid h3{font-size:26px;font-weight:600;line-height:1.45}
.phone{font-weight:500}
.mark{font-weight:700}
.experience-number{font-weight:500}
.eyebrow{line-height:1.8;letter-spacing:1.6px}
@media(max-width:800px){h1{font-size:clamp(32px,8.8vw,43px)}h2{font-size:clamp(28px,7.5vw,36px)}.insight-grid h3{font-size:24px}}