.sg-hero{min-height:calc(100svh - var(--nav-h));background:var(--night);color:var(--paper);box-sizing:border-box;flex-direction:column;justify-content:flex-end;padding:3rem 0 1.5rem;display:flex;position:relative;overflow:hidden}.sg-hero>img{object-fit:cover;object-position:center 35%;width:100%;height:100%;position:absolute;inset:0}.sg-hero:after{content:"";background:linear-gradient(#0d0b0926 0%,#0d0b0959 40%,#0d0b09eb 82%,#0d0b09 100%);position:absolute;inset:0}.sg-hero-text,.sg-hero .scroll-cue{z-index:1;position:relative}.sg-hero-text{box-sizing:border-box;width:100%}.sg-hero h1{font-family:var(--serif);max-width:26ch;color:var(--cream);margin:0;font-size:clamp(2.5rem,4.4vw,4.2rem);font-weight:400;line-height:1.04}.sg-hero h1 em{color:var(--gold)}.sg-hero .dek{max-width:46rem;color:color-mix(in srgb, var(--paper) 80%, transparent);margin:1.5rem 0 0;font-size:1.15rem;font-weight:300;line-height:1.7}.sg-hero .meta{color:var(--gold);margin-top:1.5rem}.sg-layout{grid-template-columns:15rem minmax(0,1fr);align-items:start;gap:3.5rem;max-width:76rem;padding-bottom:2rem;display:grid}.sg-side{top:calc(var(--nav-h) + 1rem);padding:4.5rem 0 3rem;font-size:.88rem;position:sticky}.sg-toc summary,.sg-side-h{letter-spacing:.3em;text-transform:uppercase;color:var(--umber);cursor:default;margin:0 0 1rem;font-size:10px;font-weight:600;list-style:none}.sg-toc summary::-webkit-details-marker{display:none}.sg-toc ol{counter-reset:t;margin:0 0 2.5rem;padding:0;list-style:none}.sg-toc li{counter-increment:t;margin:0}.sg-toc a,.sg-quick a{border-left:1px solid color-mix(in srgb, var(--ink) 14%, transparent);color:color-mix(in srgb, var(--ink) 65%, transparent);padding:.38rem 0 .38rem .9rem;line-height:1.35;text-decoration:none;transition:color .2s,border-color .2s;display:block}.sg-toc a:before{content:counter(t, decimal-leading-zero) "  ";color:var(--gold);letter-spacing:.05em;font-size:.72rem}.sg-toc a:hover,.sg-quick a:hover,.sg-toc a.on{color:var(--ink);border-left-color:var(--gold)}.sg-quick a{border-left:0;padding-left:0}.sg-quick .sg-side-h:not(:first-child){margin-top:2rem}.sg-prose{max-width:48rem;margin:0;padding-left:0;padding-right:0}.sg-chart#device-layers,.sg-prose h3[id],.sg-prose h2{scroll-margin-top:calc(var(--nav-h) + 1.5rem)}.sg-figure{margin:3rem 0}.sg-figure img{aspect-ratio:16/9;object-fit:cover;border-radius:4px;width:100%;height:auto}.sg-wide{margin-left:0;margin-right:-4rem}.sg-prose figcaption{color:color-mix(in srgb, var(--ink) 58%, transparent);margin-top:.7rem;font-size:.8rem;line-height:1.55}.sg-prose figcaption a{color:inherit}.sg-photos{grid-template-columns:1fr 1fr;gap:1.5rem;margin:2.5rem 0;display:grid}.sg-photos figure{margin:0}.sg-photos img{aspect-ratio:4/3;object-fit:cover;filter:sepia(.18)contrast(1.02);border-radius:4px;width:100%}.sg-wide img[src*=hist-]{filter:sepia(.15)}.sg-table-wrap{scroll-margin-top:calc(var(--nav-h) + 1.5rem);margin:2.5rem 0;overflow-x:auto}.sg-table{border-collapse:collapse;width:100%;font-size:.92rem;line-height:1.5}.sg-table caption{text-align:left;font-family:var(--serif);color:var(--ink);margin-bottom:1rem;font-size:1.5rem}.sg-table th,.sg-table td{text-align:left;vertical-align:top;border-bottom:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding:.85rem .9rem .85rem 0}.sg-table thead th{letter-spacing:.25em;text-transform:uppercase;color:var(--umber);font-size:10px;font-weight:600}.sg-table thead th:last-child,.sg-table td:last-child{color:var(--ink)}.sg-table tbody th{color:var(--ink);width:30%;font-weight:600}.sg-chart{background:var(--night);scroll-margin-top:calc(var(--nav-h) + 1.5rem);border-radius:6px;margin:3rem 0;padding:2rem 1.75rem 1.5rem}.sg-chart svg{width:100%;height:auto;font-family:var(--sans);display:block}.sg-chart figcaption{color:color-mix(in srgb, var(--paper) 60%, transparent)!important}.sg-chart .ax{stroke:#efe4d24d;stroke-width:1px}.sg-chart .axl{fill:#efe4d28c;letter-spacing:.08em;font-size:12px}.sg-chart .q{fill:#efe4d2;font-family:var(--serif);font-size:24px}.sg-chart .q.gold{fill:#c29a5b}.sg-chart .qs{fill:#efe4d29e;font-size:13px}.sg-chart .bar{fill:#c29a5b73}.sg-chart .bar.gold{fill:#c29a5b}.sg-chart .v{fill:#efe4d2;font-family:var(--serif);font-size:22px}.sg-chart .step{fill:none;stroke:#c29a5b;stroke-width:1.5px;stroke-opacity:.6}.sg-chart .st text{fill:#efe4d2;font-family:var(--serif);font-size:19px}.sg-chart .dot.now{fill:#c29a5b}.sg-chart .dot.soon{fill:#0d0b09;stroke:#c29a5b;stroke-width:2px}.sg-devices{grid-template-columns:repeat(3,1fr);gap:1.25rem;display:grid}.sg-devices svg{width:100%;height:auto}.sg-chart .ic *{fill:none;stroke:#efe4d2b3;stroke-width:2px}.sg-chart .dv{fill:#efe4d2;font-family:var(--serif);font-size:24px}.sg-chart .ly rect{fill:#efe4d20d;stroke:#efe4d24d;stroke-width:1.2px}.sg-chart .ly.gold rect{fill:#c29a5b2e;stroke:#c29a5b}.sg-chart .lt{fill:#efe4d2;font-family:var(--serif);font-size:21px}.sg-chart .ly.gold .lt{fill:#c29a5b}.sg-chart .ls{fill:#efe4d2a6;font-size:14px}.sg-chart .lp rect{fill:none;stroke:#efe4d266;stroke-width:1.2px}.sg-chart .lp text{fill:#efe4d2;font-family:var(--serif);font-size:20px}.sg-chart .lp.gold rect{stroke:#c29a5b;fill:#c29a5b24}.sg-chart .arr{stroke:#efe4d273;stroke-width:1.5px}.sg-chart .arr.gold{stroke:#c29a5b}.sg-chart .axl.gold{fill:#c29a5b}.sg-chart .dot.next{fill:#0d0b09;stroke:#efe4d280;stroke-width:1.5px}.sg-timeline{scroll-margin-top:calc(var(--nav-h) + 1.5rem);margin:3.5rem 0}.sg-timeline ol{margin:1.5rem 0 0;padding:0;list-style:none;position:relative}.sg-timeline ol:before{content:"";background:color-mix(in srgb, var(--gold) 45%, transparent);width:1px;position:absolute;top:.6rem;bottom:.6rem;left:5.4rem}.sg-timeline li{grid-template-columns:5.4rem 1fr;gap:0 1.6rem;margin:0 0 1.6rem;display:grid;position:relative}.sg-timeline li:before{content:"";background:var(--gold);border-radius:50%;width:9px;height:9px;position:absolute;top:.62rem;left:calc(5.4rem - 4px)}.sg-timeline li::marker{content:""}.sg-timeline .yr{font-family:var(--serif);color:var(--umber);font-size:1.3rem;line-height:1.4}.sg-timeline li>div{padding-left:.2rem;font-size:1rem;line-height:1.6}.sg-timeline strong{font-family:var(--serif);font-size:1.3rem;font-weight:500;display:block}.sg-tenets{counter-reset:n;list-style:none;padding:0!important}.sg-tenets li{counter-increment:n;border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);margin:0;padding:1.1rem 0 1.1rem 3.4rem;position:relative}.sg-tenets li:before{content:counter(n, decimal-leading-zero);font-family:var(--serif);color:var(--gold);font-size:1.6rem;line-height:1.3;position:absolute;top:1.05rem;left:0}.sg-faq details{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);padding:1rem 0}.sg-faq summary{cursor:pointer;font-family:var(--serif);color:var(--ink);font-size:1.35rem;list-style:none}.sg-faq summary::-webkit-details-marker{display:none}.sg-faq summary:after{content:"+";float:right;color:var(--gold)}.sg-faq details[open] summary:after{content:"–"}.sg-faq p{margin:.75rem 0 0;font-size:1rem}@media (width<=1100px){.sg-wide{margin-left:0;margin-right:0}}@media (width<=900px){.sg-layout{grid-template-columns:minmax(0,1fr);gap:0}.sg-side{max-height:none;padding:2.5rem 0 0;position:static}.sg-toc{border:1px solid color-mix(in srgb, var(--ink) 12%, transparent);border-radius:6px;padding:1rem 1.1rem}.sg-toc summary{cursor:pointer;margin:0}.sg-toc[open] summary{margin-bottom:1rem}.sg-toc ol{margin:0}.sg-quick{display:none}.sg-prose{padding-top:2.5rem}.sg-photos{grid-template-columns:1fr}.sg-chart{border-radius:0;margin-left:-1.5rem;margin-right:-1.5rem;padding:1.25rem .5rem 1rem}.sg-chart figcaption{padding:0 1rem}.sg-chart .q{font-size:30px}.sg-chart .qs{font-size:18px}.sg-chart .axl{letter-spacing:0;font-size:18px}.sg-chart .v{font-size:30px}.sg-chart .st text{font-size:26px}#map .qs{font-size:17px}.sg-chart .lp text{font-size:22px}.sg-devices{grid-template-columns:1fr;gap:2rem;padding:0 1.5rem}.sg-devices .ls{font-size:15px}.sg-timeline ol:before{left:4.4rem}.sg-timeline li{grid-template-columns:4.4rem 1fr;gap:0 1.2rem}.sg-timeline li:before{left:calc(4.4rem - 4px)}}.sg-chart{cursor:zoom-in;position:relative}.sg-chart:after{content:"⤢";color:#c29a5b;opacity:.55;pointer-events:none;font-size:1.05rem;transition:opacity .2s;position:absolute;top:.7rem;right:.9rem}.sg-chart:hover:after,.sg-chart:focus-visible:after{opacity:1}.sg-chart:focus-visible{outline-offset:3px;outline:2px solid #c29a5b}.sg-lightbox{background:0 0;border:0;width:min(1500px,96vw);max-width:none;max-height:94vh;padding:0;overflow:visible}.sg-lightbox::backdrop{backdrop-filter:blur(4px);background:#080706e6}.sg-lightbox[open]{animation:.25s ease-out sglb}@keyframes sglb{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}.sg-lb-body .sg-chart{cursor:zoom-out;border-radius:8px;padding:2.5rem 2.5rem 1.75rem;margin:0!important}.sg-lb-body .sg-chart:after{content:none}.sg-lb-body svg{width:100%;max-height:78vh}.sg-lb-body .sg-devices svg{max-height:74vh}.sg-lb-body figcaption{font-size:1rem!important}.sg-lb-close{color:#efe4d2;cursor:pointer;background:0 0;border:0;padding:0 .25rem;font-size:2.2rem;line-height:1;position:absolute;top:-2.6rem;right:0}@media (width<=900px){.sg-lightbox{background:#080706f2;width:100vw;max-width:100vw;height:100vh;max-height:100vh;margin:0;overflow-y:auto}.sg-lb-body{box-sizing:border-box;align-items:center;min-height:100%;padding:3.5rem 0 1rem;display:flex}.sg-lb-body svg{max-height:none}.sg-lb-body .sg-chart{border-radius:0;padding:1.25rem .75rem 1rem}.sg-lb-body .sg-devices{grid-template-columns:1fr}.sg-lb-close{z-index:2;position:fixed;top:.75rem;right:1rem}@media (orientation:portrait){.sg-lb-body .sg-chart.rot{width:92svh;max-width:none;padding:1.25rem 1.5rem 1rem;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)rotate(90deg)}.sg-lb-body .sg-chart.rot .q{font-size:24px}.sg-lb-body .sg-chart.rot .qs{font-size:14px}.sg-lb-body .sg-chart.rot .axl{font-size:13px}.sg-lb-body .sg-chart.rot figcaption{font-size:.85rem!important}}}.sg-hero-plain{background:radial-gradient(ellipse at 72% 28%, #c29a5b29, transparent 58%), radial-gradient(ellipse at 10% 90%, #c29a5b14, transparent 50%), var(--night);justify-content:center}.sg-hero-plain:after{content:none}.sg-num{font-family:var(--serif);color:color-mix(in srgb, var(--gold) 13%, transparent);pointer-events:none;z-index:0;font-size:clamp(10rem,26vw,24rem);line-height:1;position:absolute;top:50%;right:4vw;transform:translateY(-55%)}.sg-toc>ol>li>a.here{color:var(--ink);border-left-color:var(--gold);font-weight:500}.sg-secs{margin:.15rem 0 .6rem;padding:0;list-style:none}.sg-secs li{counter-increment:none!important}.sg-toc .sg-secs a{padding:.28rem 0 .28rem 1.9rem;font-size:.82rem}.sg-toc .sg-secs a:before{content:none}.sg-pager{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);grid-template-columns:1fr 1fr;gap:1rem;margin:4rem 0 0;padding-top:2rem;display:grid}.sg-pager a{border:1px solid color-mix(in srgb, var(--ink) 14%, transparent);color:var(--ink);border-radius:6px;padding:1.1rem 1.25rem;text-decoration:none;transition:border-color .2s,background .2s;display:block}.sg-pager a:hover{border-color:var(--gold);background:color-mix(in srgb, var(--gold) 7%, transparent)}.sg-pager .next{text-align:right;grid-column:2}.sg-pager span{letter-spacing:.3em;text-transform:uppercase;color:var(--umber);margin-bottom:.35rem;font-size:10px;font-weight:600;display:block}.sg-pager strong{font-family:var(--serif);font-size:1.35rem;font-weight:400;line-height:1.25}.sg-chapters{counter-reset:c 1;margin:2rem 0;list-style:none;padding:0!important}.sg-chapters li{counter-increment:c;border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);margin:0}.sg-chapters a{color:var(--ink);grid-template-columns:3.2rem 1fr;padding:1rem 0;text-decoration:none;display:grid}.sg-chapters a:before{content:counter(c, decimal-leading-zero);font-family:var(--serif);color:var(--gold);font-size:1.5rem;line-height:1.2}.sg-chapters strong{font-family:var(--serif);font-size:1.35rem;font-weight:400;line-height:1.25;display:block}.sg-chapters small{color:color-mix(in srgb, var(--ink) 62%, transparent);margin-top:.2rem;font-size:.95rem;line-height:1.55;display:block}.sg-chapters a:hover strong{color:var(--umber)}@media (width<=640px){.sg-pager{grid-template-columns:1fr}.sg-pager .next{grid-column:1}.sg-num{font-size:9rem;top:18%;right:1rem}}.sg-tabs{flex-direction:column;gap:.3rem;display:flex}.sg-tab>a{color:color-mix(in srgb, var(--ink) 66%, transparent);border:1px solid #0000;border-radius:6px;grid-template-columns:1.9rem 1fr auto;align-items:baseline;gap:.2rem;padding:.62rem .8rem;line-height:1.3;text-decoration:none;transition:background .2s,color .2s,border-color .2s;display:grid}.sg-tab>a b{font-family:var(--serif);color:var(--gold);font-size:1rem;font-weight:400}.sg-tab>a i{letter-spacing:.04em;color:color-mix(in srgb, var(--ink) 40%, transparent);font-size:.7rem;font-style:normal}.sg-tab>a:hover{background:color-mix(in srgb, var(--gold) 8%, transparent);color:var(--ink)}.sg-tab.here>a{background:color-mix(in srgb, var(--gold) 15%, transparent);border-color:color-mix(in srgb, var(--gold) 40%, transparent);color:var(--ink);font-weight:500}.sg-tab.here .sg-secs{margin:.35rem 0 .5rem .8rem;padding:0;list-style:none}.sg-tab .sg-secs a{border-left:1px solid color-mix(in srgb, var(--ink) 14%, transparent);color:color-mix(in srgb, var(--ink) 58%, transparent);padding:.26rem 0 .26rem 1.1rem;font-size:.8rem;line-height:1.35;text-decoration:none;display:block}.sg-tab .sg-secs a:hover,.sg-tab .sg-secs a.on{color:var(--ink);border-left-color:var(--gold)}.sg-further{border-top:1px solid color-mix(in srgb, var(--ink) 12%, transparent);grid-template-columns:1fr 1fr;gap:2rem;margin-top:3rem;padding-top:2rem;font-size:.92rem;display:grid}.sg-further a{color:color-mix(in srgb, var(--ink) 70%, transparent);padding:.3rem 0;text-decoration:none;display:block}.sg-further a:hover{color:var(--umber)}.sg-further .sg-side-h{margin-bottom:.6rem}@media (width<=900px){.sg-side{top:var(--nav-h);z-index:20;background:color-mix(in srgb, var(--paper) 94%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid color-mix(in srgb, var(--ink) 10%, transparent);min-width:0;max-width:100vw;margin:0 -1.5rem;padding:.55rem 0;position:sticky}.sg-side>.sg-side-h{display:none}.sg-tabs{scrollbar-width:none;scroll-snap-type:x proximity;flex-direction:row;gap:.4rem;padding:0 1.5rem;overflow-x:auto}.sg-tabs::-webkit-scrollbar{display:none}.sg-tab{scroll-snap-align:start;flex:none}.sg-tab>a{white-space:nowrap;border-color:color-mix(in srgb, var(--ink) 12%, transparent);grid-template-columns:auto auto;gap:.4rem;padding:.45rem .8rem;font-size:.85rem}.sg-tab>a i,.sg-tab .sg-secs{display:none}.sg-further{grid-template-columns:1fr}}.sg-hero>.sg-hero-img{opacity:0;transition:opacity 1.6s ease-out,transform 2.6s cubic-bezier(.16,1,.3,1);transform:scale(1.04)}.sg-hero>.sg-hero-img.in{opacity:1;transform:none}.sg-hero-plain{animation:1.4s ease-out both sgBgIn}.sg-hero .sg-num{animation:2s ease-out .2s both sgFade}.sg-hero .sg-hero-text.fade-up{animation-delay:.35s}@keyframes sgFade{0%{opacity:0}to{opacity:1}}@keyframes sgBgIn{0%{background-color:#000}}@media (prefers-reduced-motion:reduce){.sg-hero>.sg-hero-img{transition:opacity 1.6s ease-out;transform:none}}