:root{--color-ink:#081d2c;--color-muted:#5f6f7a;--color-surface:#f3f7fa;--color-white:#ffffff;--color-accent:#1f9bd1;--color-accent-light:#9ed8f5;--color-line:rgba(8,29,44,0.12);--font-sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"SFMono-Regular",Consolas,"Liberation Mono",monospace;--header-mobile-height:4.75rem;--header-topbar-height:2.125rem;--header-nav-height:3.375rem;--header-main-height:calc(var(--header-topbar-height) + var(--header-nav-height));--header-height:var(--header-main-height);--container-lg:64rem;--container-xl:74rem;--radius-md:0.5rem;--shadow-soft:0 1rem 3rem rgba(20,33,44,0.08);--section-padding:clamp(3.5rem,8vw,6rem) 1rem}*,:after,:before{box-sizing:border-box}*{margin:0}html{scroll-padding-top:var(--header-height);scroll-behavior:smooth;text-size-adjust:100%}body,html{overflow-x:clip}body{min-height:100vh}img,picture,svg{display:block;max-width:100%}button,input,select,textarea{font:inherit}body{font-family:var(--font-sans);font-size:1rem;line-height:1.6}body,h1,h2,h3{color:var(--color-ink)}h1,h2,h3{font-weight:850;letter-spacing:0;line-height:1.05}h1{font-size:clamp(3rem,9vw,6.5rem)}h2{font-size:clamp(2rem,5vw,4rem)}h3{margin-bottom:.75rem;font-size:clamp(1.25rem,2vw,1.5rem)}p{color:var(--color-muted)}.section-kicker{margin-bottom:.875rem;color:var(--color-accent);font-size:.8125rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}body{background:var(--color-surface)}article[id],section[id]{scroll-margin-top:var(--header-height)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}a,button{transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease}a:hover{color:var(--color-accent)}a:focus-visible,button:focus-visible{outline:.1875rem solid var(--color-accent-light);outline-offset:.25rem}::selection{background:var(--color-accent-light);color:var(--color-ink)}