/* One photographic field, with a feathered threshold between two periods. */
.o-hero{padding-bottom:55px}.o-intro{margin-top:48px}.o-intro strong{font-weight:400;color:var(--ink)}
.portal{padding-bottom:88px;scroll-margin-top:25px}.portal-heading{display:flex;justify-content:space-between;gap:24px;align-items:baseline;border-top:1px solid var(--rule);padding-top:24px}.portal-heading .eyebrow{color:var(--bronze)}.portal-heading>p:last-child{font-size:.875rem;color:var(--muted)}
.portal-tabs{display:flex;gap:42px;margin:27px 0 22px}.portal-tabs button{border:0;border-bottom:1px solid transparent;padding:9px 0;background:none;cursor:pointer;font-size:clamp(21px,2.7vw,37px);font-weight:400;letter-spacing:-.045em;color:var(--muted)}.portal-tabs button[aria-selected=true]{color:var(--ink);border-bottom-color:var(--bronze)}.portal-tabs button:disabled{cursor:default}.portal-tabs button:hover{color:var(--bronze)}
.portal-stage{--reveal:0%;--feather:0%;--position:0%;--edge-opacity:0;position:relative;aspect-ratio:16/9;background:#45453c;overflow:hidden;isolation:isolate;touch-action:pan-y;user-select:none}.portal-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--scene-position,center 75%);pointer-events:none}.portal-modern{mask-image:linear-gradient(to right,transparent calc(var(--reveal) - var(--feather)),#000 calc(var(--reveal) + var(--feather)));-webkit-mask-image:linear-gradient(to right,transparent calc(var(--reveal) - var(--feather)),#000 calc(var(--reveal) + var(--feather)))}.portal-ready .portal-stage{cursor:ew-resize}.portal-stage::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 72%,#10161180);pointer-events:none}.portal-edge{position:absolute;z-index:1;top:0;bottom:0;left:var(--position);width:1px;background:linear-gradient(transparent,#fff2cbb3 22%,#fff2cbe0 50%,#fff2cbb3 78%,transparent);opacity:var(--edge-opacity);pointer-events:none;box-shadow:0 0 28px 8px #ead5a026}.portal-edge::before,.portal-edge::after{content:"";position:absolute;top:50%;height:30px;width:10px;border:1px solid #fff3d6;transform:translateY(-50%)}.portal-edge::before{right:8px;border-right:0}.portal-edge::after{left:8px;border-left:0}.portal-image-label{position:absolute;z-index:2;bottom:24px;color:#fff7e8;font:.6875rem/1.5 'Courier New',monospace;letter-spacing:.1em;text-shadow:0 1px 5px #15181180;pointer-events:none}.portal-label-past{left:27px}.portal-label-present{right:27px;opacity:var(--present-label,1)}.portal-stage .portal-label-past{opacity:var(--past-label,0)}
.portal-transport{margin-top:24px}.portal-transport-top{display:flex;justify-content:space-between;align-items:center;gap:18px}.portal-transport label{font-size:.9375rem}.portal-transport output{font:.75rem/1.5 'Courier New',monospace;color:var(--bronze)}.portal-range{width:100%;height:40px;margin:8px 0 0;background:transparent;accent-color:var(--bronze);cursor:ew-resize}.portal-range:disabled{cursor:default}.portal-endpoints{display:flex;justify-content:space-between;font:.625rem/1.5 'Courier New',monospace;letter-spacing:.08em;color:var(--muted);margin-top:-3px}.portal-action-line{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:27px}.portal-action-line button{border:0;border-bottom:1px solid currentColor;background:transparent;padding:5px 0 9px;font-size:.875rem;cursor:pointer;color:var(--bronze)}.portal-action-line button:disabled{opacity:.4;cursor:default}.portal-action-line #portal-reset{color:var(--muted);border-bottom-color:var(--rule);font-size:.8125rem}.portal-narrative{display:grid;grid-template-columns:1fr 1fr;gap:12%;margin-top:52px;border-top:1px solid var(--rule);padding-top:35px}.portal-narrative .eyebrow{color:var(--bronze);font-size:.6875rem}.portal-narrative h3{font:400 clamp(31px,3.3vw,48px)/1.1 Arial,sans-serif;letter-spacing:-.045em;margin-top:19px;max-width:480px}.portal-narrative p:not(.eyebrow){font-size:1rem;line-height:1.75;color:var(--muted)}.portal-narrative .portal-proposal{font-size:.9375rem!important;margin-top:20px}.portal-proposal strong{font-weight:400;color:var(--ink)}.portal-context{margin-top:28px;color:var(--muted);max-width:850px}.portal-context summary{font:.6875rem/1.5 'Courier New',monospace;letter-spacing:.03em;display:inline-block;border-bottom:1px solid var(--rule);padding-bottom:6px}.portal-context p{font-size:.8125rem;line-height:1.75;margin-top:14px}.portal-context a{border-bottom:1px solid var(--rule)}.portal-context .portal-sources{font-size:.75rem}.portal-context a:hover{color:var(--bronze)}.portal-context .portal-credit{font-size:.75rem;margin-top:15px}.portal-architecture-link{margin-top:27px;font-size:.875rem;gap:30px}
.o-courtyard-feature{display:block;margin-top:46px;margin-bottom:80px}.o-courtyard-feature>div{display:grid;grid-template-columns:1fr 1fr;gap:12%;margin-top:30px}.o-courtyard-feature h3{margin:0}.o-courtyard-feature p:not(.eyebrow){max-width:560px}
@media(max-width:760px){.o-hero{padding-bottom:37px}.o-intro{margin-top:35px}.portal{padding-bottom:57px}.portal-heading{display:block;padding-top:21px}.portal-heading>p:last-child{margin-top:9px;font-size:.8125rem}.portal-tabs{gap:24px;margin:18px 0}.portal-tabs button{font-size:clamp(20px,5.2vw,27px);padding:10px 0}.portal-stage{aspect-ratio:var(--scene-ratio,4/3);margin-left:calc(var(--space)*-1);margin-right:calc(var(--space)*-1)}.portal-image-label{bottom:18px;font-size:.5625rem}.portal-label-past{left:24px}.portal-label-present{right:24px}.portal-transport{margin-top:22px}.portal-transport label{font-size:.8125rem}.portal-transport output{font-size:.6875rem}.portal-narrative{display:block;gap:0;margin-top:35px;padding-top:27px}.portal-narrative h3{font-size:34px;max-width:none;margin-top:16px}.portal-narrative>div+div{margin-top:23px}.portal-narrative p:not(.eyebrow){font-size:.9375rem}.portal-context{margin-top:22px}.portal-context summary{font-size:.625rem}.o-courtyard-feature>div{display:block;margin-top:26px}.o-courtyard-feature>div p{margin-top:20px}.o-courtyard-feature{margin-bottom:57px}}
@media(max-width:390px){.portal-tabs{gap:19px}.portal-tabs button{font-size:19px}.portal-transport-top{gap:10px}.portal-transport output{font-size:.625rem}.portal-action-line button{font-size:.8125rem}}
@media print{.portal-tabs,.portal-transport,.portal-edge{display:none}.portal-modern{mask-image:none;-webkit-mask-image:none;opacity:.5}.portal-stage{aspect-ratio:16/9}.portal-narrative{display:block}.portal-context{display:block}.portal{break-inside:avoid}}

.portal-visual-note{font:.625rem/1.7 "Courier New",monospace;color:var(--muted);margin-top:12px}.portal-status{font:.75rem/1.7 "Courier New",monospace;color:var(--bronze)}.portal-status:not(:empty){margin-top:15px}.portal[aria-busy=true] .portal-tabs{opacity:.6}