.shell{min-height:100vh;display:flex;flex-direction:column}.shell main{flex:1}.header{position:sticky;top:0;z-index:40;border-bottom:1px solid transparent;transition:background var(--dur) var(--ease-out),border-color var(--dur) var(--ease-out),backdrop-filter var(--dur) var(--ease-out)}.header[data-scrolled=true]{background:color-mix(in srgb,var(--surface-canvas) 88%,transparent);-webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);border-bottom-color:var(--border-subtle)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-6);min-height:84px;transition:min-height var(--dur) var(--ease-out)}.header[data-scrolled=true] .header-inner{min-height:68px}.wordmark{display:inline-flex;align-items:baseline;gap:var(--space-2);white-space:nowrap}.wordmark-name{font-family:var(--font-sans);font-weight:700;font-size:1.35rem;letter-spacing:-.02em;line-height:1;color:var(--text-primary);transition:color var(--dur) var(--ease-out)}.wordmark:hover .wordmark-name{color:var(--green-700)}.wordmark-suffix{font-family:var(--font-mono);font-size:var(--type-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-muted)}.nav{display:flex;align-items:center;gap:var(--space-6)}.nav a{position:relative;font-size:var(--type-small);font-weight:500;color:var(--text-secondary);padding-block:var(--space-2);transition:color var(--dur) var(--ease-out)}.nav a:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--green-700);transform:scaleX(0);transform-origin:right;transition:transform var(--dur) var(--ease-out)}.nav a:hover{color:var(--text-primary)}.nav a:hover:after{transform:scaleX(1);transform-origin:left}.nav a[aria-current=page]{color:var(--text-primary)}.nav a[aria-current=page]:after{transform:scaleX(1);transform-origin:left}.header-cta{display:inline-flex;min-height:42px;padding-inline:var(--space-5)}.nav-toggle{display:none;align-items:center;gap:var(--space-3);min-height:44px;padding-inline:var(--space-2);background:transparent;border:0;cursor:pointer;font-family:var(--font-mono);font-size:var(--type-label);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--text-primary)}.nav-toggle-bars{display:grid;gap:5px;width:20px}.nav-toggle-bars span{height:1px;background:var(--text-primary);transition:transform var(--dur) var(--ease-out)}.nav-toggle[aria-expanded=true] .nav-toggle-bars span:first-child{transform:translateY(3px) rotate(45deg)}.nav-toggle[aria-expanded=true] .nav-toggle-bars span:last-child{transform:translateY(-3px) rotate(-45deg)}.nav-overlay{position:fixed;inset:0;z-index:39;display:grid;align-content:start;padding:calc(66px + var(--space-6)) var(--gutter) var(--space-8);overflow-y:auto;overscroll-behavior:contain;background:var(--surface-canvas);animation:overlay-in var(--dur) var(--ease-out) both}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.nav-overlay ul{display:grid}.nav-overlay li{border-bottom:1px solid var(--border-subtle);opacity:0;animation:enter-up var(--dur-slow) var(--ease-out) forwards;animation-delay:calc(var(--i, 0) * 55ms + 90ms)}.nav-overlay ul a{display:flex;align-items:baseline;gap:var(--space-4);padding-block:var(--space-3);font-family:var(--font-sans);font-weight:600;font-size:clamp(1.6rem,7.5vw,2.1rem);line-height:1.12;letter-spacing:-.02em;color:var(--text-primary)}.nav-overlay ul a .n{font-family:var(--font-mono);font-size:var(--type-label);color:var(--text-faint);letter-spacing:.14em}.nav-overlay-secondary{margin-top:var(--space-7);padding-top:var(--space-5);border-top:1px solid var(--border-strong)}.nav-overlay-secondary li{border-bottom:0}.nav-overlay-secondary ul a{font-family:var(--font-sans);font-weight:500;font-size:var(--type-body);color:var(--text-secondary);min-height:46px;padding-block:var(--space-2)}.nav-overlay .button{margin-top:var(--space-7);width:100%;white-space:nowrap;opacity:0;animation:enter-up var(--dur-slow) var(--ease-out) forwards;animation-delay:.46s}body[data-nav-open=true]{overflow:hidden}@media(prefers-reduced-motion:reduce){.nav-overlay,.nav-overlay li,.nav-overlay .button{animation:none;opacity:1}.header,.header-inner,.nav a:after,.nav-toggle-bars span{transition:none}}.footer{border-top:1px solid var(--border-subtle);background:var(--surface-ink);color:var(--text-inverse);padding-block:var(--space-9) var(--space-6)}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:var(--space-8) var(--space-6)}.footer-brand{max-width:34ch}.footer-brand .wordmark-name{color:var(--text-inverse)}.footer-brand .wordmark:hover .wordmark-name{color:var(--green-300)}.footer-brand p{margin-top:var(--space-4);color:var(--text-inverse-muted);font-size:var(--type-small);line-height:1.6}.footer-col ul{display:grid}.footer-col li a,.footer-col li span{display:flex;align-items:center;min-height:40px;font-size:var(--type-small);color:var(--text-inverse-muted);transition:color var(--dur-fast) var(--ease-out),padding-left var(--dur) var(--ease-out)}.footer-col li a:hover{color:var(--green-300);padding-left:var(--space-2)}.footer-col>.label{margin-bottom:var(--space-4);color:var(--green-300)}.footer-base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-4);margin-top:var(--space-8);padding-top:var(--space-5);border-top:1px solid var(--border-inverse)}.footer-base p{font-family:var(--font-mono);font-size:var(--type-label);letter-spacing:.1em;color:var(--text-inverse-muted)}@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}}@media(max-width:820px){.nav,.header-cta{display:none}.nav-toggle{display:inline-flex}.header-inner,.header[data-scrolled=true] .header-inner{min-height:62px}}@media(max-width:560px){.footer-grid{grid-template-columns:1fr;gap:var(--space-7)}.footer-base{flex-direction:column;gap:var(--space-2)}}