/* Guided route shell — ASTAY / Four Seasons: paper #f4f1e8, ink #234759, brass #d8bd85, dark stage #182e33. */
:root{--gr-stage:#182e33;--gr-paper:#f4f1e8;--gr-ink:#234759;--gr-brass:#d8bd85;--gr-line:#f4f1e826;--gr-bar:64px}
[hidden]{display:none!important}
*{box-sizing:border-box}
body[data-site=guided-route]{margin:0;background:var(--gr-stage);color:var(--gr-paper);font:14px/1.5 Arial,Helvetica,sans-serif;display:flex;flex-direction:column;min-height:100dvh;overflow-x:hidden}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--gr-brass);outline-offset:2px}
.gr-bar{position:relative;z-index:30;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px;min-height:var(--gr-bar);padding:8px max(16px,2.4vw);background:var(--gr-stage);border-bottom:1px solid var(--gr-line)}
.gr-brand{display:flex;flex-direction:column;color:var(--gr-paper);text-decoration:none;line-height:1.1}
.gr-brand span{font:400 19px Georgia,'Times New Roman',serif;letter-spacing:5px}
.gr-brand small{font-size:8.5px;letter-spacing:2.4px;opacity:.7;margin-top:4px}
.gr-where{min-width:0;display:flex;align-items:center;gap:18px}
.gr-steps{position:relative}
.gr-steps summary{list-style:none;display:flex;align-items:baseline;gap:12px;cursor:pointer;padding:8px 12px 8px 0;min-height:44px;align-items:center}
.gr-steps summary::-webkit-details-marker{display:none}
.gr-steps summary::after{content:'';width:7px;height:7px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:rotate(45deg) translateY(-3px);opacity:.6;margin-left:2px}
.gr-count{font-size:11px;letter-spacing:.16em;color:var(--gr-brass);white-space:nowrap}
.gr-title{font:400 20px/1.15 Georgia,'Times New Roman',serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gr-lead{margin:0;font-size:12.5px;opacity:.72;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.gr-steps-panel{position:absolute;left:0;top:calc(100% + 10px);width:min(360px,calc(100vw - 32px));background:var(--gr-paper);color:var(--gr-ink);border-radius:4px;box-shadow:0 18px 50px #0b161a66;padding:14px 10px 12px}
.gr-steps-head{margin:0 8px 8px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#5d7079}
.gr-steps ol{list-style:none;margin:0;padding:0}
.gr-steps li button{display:grid;grid-template-columns:28px 1fr auto;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:transparent;padding:9px 8px;min-height:44px;border-radius:3px}
.gr-steps li button:hover{background:#23475910}
.gr-steps li button b{font:400 12px Arial,sans-serif;color:#7d8c92}
.gr-steps li button span{font:400 16px Georgia,'Times New Roman',serif}
.gr-steps li button[aria-current=step]{background:#23475914}
.gr-steps li button[aria-current=step] b{color:var(--gr-ink);font-weight:700}
.gr-steps li.is-core button{box-shadow:inset 3px 0 0 #b8995d}
.gr-steps li em{font-style:normal;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#8c6c34}
.gr-lang-inline{display:none;gap:4px;margin:10px 8px 0;border-top:1px solid #23475922;padding-top:10px}
.gr-lang-inline button,.gr-lang button{border:0;background:transparent;padding:8px 9px;min-height:40px;font-size:12px;opacity:.6}
.gr-lang-inline button[aria-pressed=true],.gr-lang button[aria-pressed=true]{opacity:1;text-decoration:underline;text-underline-offset:5px}
.gr-nav{display:flex;align-items:center;gap:8px}
.gr-nav>button,.gr-exit,.gr-open{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:999px;border:1px solid var(--gr-line);background:transparent;color:var(--gr-paper);text-decoration:none;font-size:13px;white-space:nowrap}
.gr-nav>button span[aria-hidden],.gr-exit span[aria-hidden]{font-size:20px;line-height:1}
.gr-next{background:var(--gr-brass)!important;border-color:var(--gr-brass)!important;color:#182e33!important;font-weight:600}
.gr-next:hover{background:#e4cc9a!important}
.gr-back:disabled{opacity:.35;cursor:default}
.gr-open{border-color:transparent;opacity:.8;font-size:12px;padding:0 8px}
.gr-exit{border-color:transparent;padding:0 8px 0 12px}
.gr-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:transparent}
.gr-progress i{display:block;height:100%;width:10%;background:var(--gr-brass);transition:width .45s ease}
.gr-main{flex:1;display:flex;min-height:0;position:relative}
.gr-frame-wrap{flex:1;position:relative;min-height:0;height:calc(100dvh - var(--gr-bar));background:#d5e0df url('assets/aerial-day.webp') center/cover no-repeat}
.gr-frame-wrap iframe{position:absolute;inset:0;width:100%;height:100%;min-height:0;border:0;display:block;background:transparent}
.gr-veil{position:absolute;inset:0;display:grid;place-items:center;background:#f4f1e8d9;pointer-events:none}
.gr-veil span{width:44px;height:44px;border-radius:50%;border:2px solid #23475922;border-top-color:var(--gr-ink);animation:gr-spin 1s linear infinite}
@keyframes gr-spin{to{transform:rotate(360deg)}}
.gr-panel{flex:1;display:flex;justify-content:center;padding:clamp(24px,5vh,56px) max(16px,4vw) 40px}
.gr-panel-inner{width:min(1120px,100%);display:flex;flex-direction:column;gap:18px}
.gr-eyebrow{margin:0;font-size:11px;letter-spacing:.2em;color:var(--gr-brass)}
.gr-panel h1{margin:0;font:400 clamp(28px,3.4vw,44px)/1.12 Georgia,'Times New Roman',serif;text-wrap:balance}
.gr-continue{align-self:flex-start;border:0;background:transparent;color:var(--gr-brass);font-size:14px;padding:10px 0;min-height:44px;border-bottom:1px solid #d8bd8566}
.gr-viewing{align-items:center;background:radial-gradient(ellipse at 70% 20%,#23475955,transparent 60%),var(--gr-stage)}
.gr-viewing .gr-panel-inner{max-width:640px}
.gr-body{margin:0;font-size:16px;line-height:1.7;opacity:.86;max-width:56ch}
.gr-unit{font-size:13px;color:var(--gr-brass);opacity:1}
.gr-actions{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:8px}
.gr-primary{border:1px solid var(--gr-brass);background:var(--gr-brass);color:#182e33;padding:15px 24px;min-height:48px;font-weight:600;border-radius:2px}
.gr-quiet{border:0;background:transparent;color:var(--gr-paper);padding:12px 0;min-height:44px;text-decoration:none;border-bottom:1px solid var(--gr-line);font-size:13px}
.gr-small{font-size:11.5px;opacity:.6;margin:6px 0 0}
.gr-footer{background:var(--gr-stage)!important;color:#f4f1e8b3!important;border-top:1px solid var(--gr-line)}
.gr-footer a{color:var(--gr-paper)}
@media(max-width:1100px){.gr-lead{display:none}.gr-open{display:none!important}}
@media(max-width:760px){
 :root{--gr-bar:56px}
 .gr-bar{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:6px 10px 6px 14px}
 .gr-brand{display:none}
 .gr-title{font-size:17px}
 .gr-lang{display:none}
 .gr-lang-inline{display:flex}
 .gr-nav{gap:4px}
 .gr-nav>button,.gr-exit{padding:0 12px;min-width:44px;justify-content:center}
 .gr-nav .gr-label{display:none}
 .gr-next .gr-label{display:inline}
 .gr-exit{padding:0 6px}
 .gr-panel{padding:22px 16px 32px}
 .gr-body{font-size:15px}
}
@media(max-width:380px){.gr-next .gr-label{display:none}.gr-count{letter-spacing:.06em}}
@media(prefers-reduced-motion:reduce){.gr-progress i{transition:none}.gr-veil span{animation:none}}
/* brand-theme.css paints headings/links in ink for light pages; the route bar and dark panels stay on paper text. */
body[data-site=guided-route] :is(.gr-brand,.gr-brand span,.gr-brand small,.gr-title,.gr-panel h1,.gr-quiet,.gr-exit,.gr-open,.gr-lang button,.gr-back,.gr-footer a,.gr-footer span){color:var(--gr-paper)!important}
body[data-site=guided-route] .gr-steps-panel :is(button,span,b){color:var(--gr-ink)}
body[data-site=guided-route] .gr-footer{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.gr-film .astay-films :is(video,.af-poster){max-height:calc(100svh - 300px)}
.gr-footer *{color:#f4f1e8cc!important}
/* Former project guide, merged: the project at a glance (film step) and the project archive (step list + last step). */
.gr-film-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 28px}
.gr-facts{display:flex;flex-wrap:wrap;gap:6px 26px;margin:0;color:var(--gr-paper)}
.gr-facts div{display:flex;align-items:baseline;gap:8px}
.gr-facts dt{font:17px Georgia,serif;color:var(--gr-brass)}
.gr-facts dd{margin:0;font-size:11px;letter-spacing:.04em;opacity:.72}
.gr-library{display:flex;flex-wrap:wrap;gap:2px 16px;margin:10px 8px 0;border-top:1px solid #23475922;padding-top:10px}
.gr-library p{flex:1 1 100%;margin:0 0 2px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#5d7079}
.gr-library a{display:inline-flex;align-items:center;min-height:40px;font-size:13px;color:var(--gr-ink);text-decoration:none;border-bottom:1px solid transparent}
.gr-library a:hover{border-bottom-color:currentColor}
.gr-library-end{margin:4px 0 0;border-top-color:#f4f1e826}
.gr-library-end p{color:var(--gr-paper);opacity:.6}
body[data-site=guided-route] .gr-library-end a{color:var(--gr-paper)}
.gr-film .astay-films :is(video,.af-poster){max-height:calc(100svh - 340px)}
@media(max-width:760px){.gr-facts{gap:4px 16px}.gr-facts dt{font-size:15px}.gr-facts dd{font-size:10.5px}}