@media(max-width:900px){.header{grid-template-columns:1fr auto}.navigation{position:absolute;z-index:30;top:5.5rem;left:1rem;right:1rem;padding:1rem;background:var(--paper-bright);border:1px solid var(--line);border-radius:var(--radius-sm);display:none;flex-direction:column}.navigation.is-open{display:flex}.header-contact{display:none}.menu-button{justify-self:end;width:3rem;height:3rem;border:1px solid var(--line);border-radius:50%;background:none;display:grid;place-content:center;gap:.4rem}.menu-button span:not(.sr-only){width:1rem;height:1px;background:currentColor;transition:transform .2s}.menu-button[aria-expanded=true] span:nth-last-child(2){transform:translateY(.2rem) rotate(45deg)}.menu-button[aria-expanded=true] span:last-child{transform:translateY(-.2rem) rotate(-45deg)}.hero{grid-template-columns:1fr;grid-template-rows:auto auto auto;min-height:auto;gap:3rem}.hero-heading{margin-top:3rem}.hero-aside{max-width:32rem}.hero-orbit{right:-22%;top:18%;opacity:.28}.section{grid-template-columns:1fr;gap:3rem}.stack-heading,.services-heading{grid-template-columns:1fr}.service-grid{grid-template-columns:1fr 1fr}.service-card:last-child{grid-column:1/-1}.contact{grid-template-columns:1fr auto}.back-to-top{position:fixed;z-index:55;right:max(1rem,env(safe-area-inset-right));bottom:max(1rem,env(safe-area-inset-bottom));width:3.5rem;height:3.5rem;padding:0;display:grid;place-items:center;color:var(--paper);background:rgba(20,22,27,.78);border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 1rem 2.5rem rgba(0,0,0,.35);backdrop-filter:blur(12px) saturate(140%);cursor:pointer;opacity:0;visibility:hidden}.back-to-top svg{position:absolute;inset:3px;width:calc(100% - 6px);height:calc(100% - 6px);transform:rotate(-90deg)}.back-to-top circle{fill:none;stroke-width:1.5}.back-to-top__track{stroke:rgba(255,255,255,.13)}.back-to-top__progress{stroke:var(--accent);stroke-linecap:round}.back-to-top span{position:relative;font-family:var(--font-mono);font-size:1rem;line-height:1}.back-to-top:focus-visible{outline-color:var(--accent-cyan)}}
@media(max-width:600px){:root{--gutter:1.25rem;--space-section:5.5rem}.site-frame{width:100%}.header{height:5.5rem}.brand-mark{width:2.25rem;height:2.25rem}.hero{padding-top:2.5rem;padding-bottom:4.5rem}.hero-heading{margin-top:1.5rem}.hero h1{font-size:clamp(3.05rem,15vw,4.4rem);line-height:.92}.hero-aside>p{font-size:1rem}.hero-actions{align-items:flex-start;flex-direction:column}.button{width:100%}.hero-orbit{width:18rem;right:-47%;top:23%}.ticker{transform:rotate(-1deg) scale(1.03)}.about-grid{grid-template-columns:1fr;gap:1.5rem;margin-top:2.5rem}.facts{grid-template-columns:1fr;margin-top:3.5rem}.facts article,.facts article+article{padding:1.25rem 0;border-right:0;border-bottom:1px solid var(--line)}.facts article:last-child{border-bottom:0}.stack-heading{margin-bottom:2.5rem}.skill-list article{grid-template-columns:2rem 1fr;gap:.5rem;padding:1.2rem 0}.skill-list p{grid-column:2}.services-heading{gap:1.5rem;margin-bottom:2.5rem}.service-grid{grid-template-columns:1fr}.service-card,.service-card:last-child{grid-column:auto;min-height:27rem}.contact{grid-template-columns:1fr;padding-top:5.5rem;gap:2.5rem}.contact h2{font-size:clamp(3.2rem,15vw,4.8rem)}.contact-cta{width:8rem}.contact-footer{margin-top:3rem;align-items:flex-start;gap:2rem;flex-direction:column}.section-meta{padding-top:0}.section-intro{font-size:2.2rem}}