/* Shared workshop navigation for all seven pages. */
.skip-site-nav{position:absolute;left:1rem;top:-5rem;z-index:50;padding:.65rem 1rem;background:#263449;color:white;border-radius:.5rem}
.skip-site-nav:focus{top:.5rem}
.site-nav{background:#263449;color:#fff;border-bottom:3px solid #e7b34f}
.site-nav-inner{max-width:1540px;margin:auto;min-height:4.25rem;padding:.55rem clamp(.75rem,2vw,1.5rem);display:flex;align-items:center;gap:1.25rem}
.site-brand{display:inline-flex;align-items:center;gap:.55rem;white-space:nowrap;color:#fff;text-decoration:none;font-size:1.1rem;font-weight:900;letter-spacing:.03em}
.brand-symbol{width:1.85rem;height:1.85rem;display:grid;place-items:center;background:#e7b34f;color:#263449;border-radius:.45rem;font-size:1.4rem;line-height:1}
.site-links{display:flex;align-items:center;gap:.12rem;overflow-x:auto;scrollbar-width:thin;white-space:nowrap;flex:1;min-width:0}
.site-links a{display:inline-flex;align-items:center;min-height:2.7rem;padding:.48rem .72rem;border-radius:.55rem;text-decoration:none;color:#dce5e7;font-size:.9rem;font-weight:700}
.site-links a:hover,.site-links a:focus-visible{background:#41536a;color:#fff}
.site-links a[aria-current="page"]{background:#f6f7f4;color:#263449}
.alpha-label{border:1px solid #aab8bd;color:#dce5e7;border-radius:999px;padding:.35rem .55rem;letter-spacing:.1em;font-size:.7rem;font-weight:850}
@media(max-width:820px){.site-nav-inner{flex-wrap:wrap;gap:.35rem .8rem;padding-bottom:0}.site-brand{min-height:2.4rem}.alpha-label{margin-left:auto}.site-links{order:3;flex-basis:100%;padding:.15rem 0 .4rem;margin-right:0}.site-links a{min-height:2.55rem;font-size:.875rem}}
/* Bring the actual lab choices into the first desktop viewport. */
.home-hero.premium-hero{padding-top:1.4rem;padding-bottom:1.4rem;min-height:0;align-items:center}
.home-hero .premium-hero-copy h1{font-size:clamp(2.7rem,5vw,4.9rem);line-height:.98;margin:.5rem 0 1rem}
.home-hero .premium-hero-copy p{font-size:1rem;line-height:1.55}
.home-hero .hero-workbench{min-height:0;max-height:270px;overflow:hidden}
.home-hero .hero-workbench img{max-height:255px;object-fit:contain}
.premium-section-head{margin:1.25rem 0}
@media(max-width:760px){.home-hero.premium-hero{padding-top:1.3rem}.home-hero .premium-hero-copy h1{font-size:clamp(2.6rem,10vw,3.7rem)}.home-hero .hero-workbench{display:none}.premium-section-head{margin-top:1.3rem}}
/* Build 04: nine routes share one navigation and visible release marker. */
.site-links a{flex-shrink:0}
.home-body .lab-spin .card-scene,.home-body .lab-boat .card-scene,.home-body .lab-paperplane .card-scene{background:#f5f7f4}