/* Fullscreen sequence: all animation is driven by the visitor's scroll position. */
.header{min-height:84px;height:84px;padding-block:10px}.brand{width:190px;height:54px;overflow:hidden;flex-shrink:0}.brand img{width:190px;height:95px;max-width:none;transform:translateY(-21px)}
.immersive{height:calc(100svh - 84px);position:relative;background:#e4e6e8}.immersive.immersive-ready{height:620svh}.immersive-stage{position:sticky;top:84px;height:calc(100svh - 84px);overflow:hidden;isolation:isolate}.immersive-film,.immersive-shade{position:absolute;inset:0}.immersive-film canvas,.immersive-film img{position:absolute;inset:0;display:block;width:100%;height:100%}.immersive-film img{object-fit:cover}.immersive-film img[hidden]{display:none}.immersive-shade{background:linear-gradient(90deg,rgba(246,245,241,.93),rgba(246,245,241,.74) 25%,rgba(246,245,241,.08) 52%,transparent 68%);pointer-events:none}
.immersive-copies{position:absolute;inset:0;pointer-events:none}.immersive-copy{position:absolute;top:50%;left:8vw;width:45vw;max-width:740px;transform:translateY(calc(-50% + 14px));opacity:0;visibility:hidden;transition:opacity .4s,transform .5s,visibility .4s;pointer-events:none}.immersive-copy.active{opacity:1;visibility:visible;transform:translateY(-50%);pointer-events:auto}.immersive-copy .eyebrow{font-size:.75rem;letter-spacing:.14em}.immersive-copy h1,.immersive-copy h2{font-size:clamp(3rem,4.8vw,6rem);line-height:1.05;margin:30px 0 24px;letter-spacing:-.055em;font-weight:500}.immersive-copy h2 em,.immersive-copy h1 em{font-weight:400;color:var(--blue)}.immersive-copy>p:not(.eyebrow){font-size:1.1rem;color:var(--ink);line-height:1.65}.immersive-copy>a{display:inline-flex;margin-top:25px}.immersive-detail{display:block;border-left:2px solid var(--orange);padding-left:13px;font-size:.875rem;color:var(--ink);margin-top:28px}
.immersive-chapters{position:absolute;right:3vw;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:0;z-index:3}.immersive-chapters button{width:44px;min-height:44px;position:relative;background:#f6f5f122;border:0;border-right:2px solid transparent;border-radius:0;color:#465767;font-size:.75rem;transition:border .2s,color .2s,background .2s}.immersive-chapters button:hover{background:#f6f5f1aa}.immersive-chapters button[aria-current]{border-right-color:var(--orange);color:var(--ink);font-weight:700}
.immersive-bottom{position:absolute;bottom:22px;left:4vw;right:4vw;display:flex;align-items:center;gap:24px;z-index:3;font-size:.75rem;color:var(--ink)}.immersive-guide{display:flex;gap:10px;align-items:center;white-space:nowrap}.immersive-guide i{width:17px;height:26px;display:block;border:1px solid var(--blue);border-radius:9px;position:relative}.immersive-guide i::before{content:'';position:absolute;width:2px;height:5px;background:var(--blue);top:5px;left:7px;animation:wheel-guide 2s ease-in-out infinite}.immersive-progress{height:2px;flex:1;background:#7a8c9c44}.immersive-progress span{display:block;width:100%;height:100%;background:var(--orange);transform:scaleX(0);transform-origin:left center;will-change:transform}.immersive-bottom .immersive-skip,.immersive-bottom button{background:#f6f5f160;border:0;border-bottom:1px solid #4e607650;color:var(--ink);padding:10px 0;min-height:44px;font-size:.75rem;white-space:nowrap}
.immersive-load{position:absolute;right:4vw;bottom:88px;font-size:.8125rem;background:#f6f5f1de;padding:10px 13px;border-radius:3px;color:var(--ink)}.immersive-error{position:absolute;bottom:90px;right:4vw;left:4vw;background:var(--paper);padding:14px;font-size:.875rem;border-left:2px solid var(--orange);z-index:5}.immersive-error a{text-decoration:underline}.immersive-load[hidden],.immersive-error[hidden]{display:none}.immersive.reduced-immersive{height:calc(100svh - 84px)}.reduced-immersive .immersive-copy{transition:none}.reduced-immersive .immersive-chapters,.reduced-immersive .immersive-guide,.reduced-immersive .immersive-progress{display:none}.reduced-immersive .immersive-bottom{justify-content:flex-end}
.immersive-skip{display:inline-flex;align-items:center;gap:4px;box-sizing:border-box;transition:border-color .2s}.immersive-skip:hover{border-bottom-color:var(--orange)}
@keyframes wheel-guide{0%,100%{transform:translateY(0);opacity:1}70%{transform:translateY(7px);opacity:.3}}
/* Compact circular portrait, preserving the supplied photograph. */
.about{grid-template-columns:minmax(250px,.7fr) 1.3fr;gap:6vw}.portrait{width:320px;max-width:100%;aspect-ratio:1;border-radius:50%;justify-self:center;border:7px solid #fff;box-shadow:0 0 0 1px #d8dce0,0 18px 48px #263b5012;overflow:hidden}.portrait>img{height:100%;width:100%;object-fit:cover;object-position:center 36%}.portrait-index,.portrait-signature{display:none}
@media(max-width:1100px){.immersive-copy{left:6vw;width:56vw}.immersive-copy h1,.immersive-copy h2{font-size:clamp(2.8rem,5.3vw,4.5rem)}.immersive-chapters{right:2vw}.immersive-copy>p:not(.eyebrow){font-size:1rem}.portrait{width:280px}}
@media(max-width:760px){.header{min-height:74px;height:74px}.header nav{top:74px}.brand{width:155px;height:48px}.brand img{width:155px;height:77.5px;transform:translateY(-17px)}.immersive{height:calc(100svh - 74px)}.immersive.immersive-ready{height:540svh}.immersive-stage{top:74px;height:calc(100svh - 74px)}.immersive-film img{object-fit:cover;object-position:50% 50%;transform:scale(.9);transform-origin:center}.immersive-shade{background:linear-gradient(180deg,rgba(246,245,241,.96),rgba(246,245,241,.83) 24%,rgba(246,245,241,.07) 48%,transparent 65%)}.immersive-copy,.immersive-copy.active{top:5%;left:6vw;width:83vw;transform:none;max-width:none}.immersive-copy h1,.immersive-copy h2{font-size:clamp(2.15rem,8.4vw,3.8rem);margin:16px 0 16px;letter-spacing:-.045em}.immersive-copy .eyebrow{font-size:.625rem;letter-spacing:.1em}.immersive-copy>p:not(.eyebrow){font-size:.875rem;line-height:1.55}.immersive-detail{font-size:.75rem;margin-top:15px;padding-left:10px}.immersive-copy>a{margin-top:15px;font-size:.8125rem}.immersive-copy .button{min-height:44px;padding:10px 17px}.immersive-chapters{top:auto;bottom:75px;right:4vw;left:4vw;transform:none;flex-direction:row;justify-content:center;gap:6px}.immersive-chapters button{min-height:44px;width:44px;border-right:0;border-bottom:2px solid transparent;background:#f6f5f180;font-size:.6875rem}.immersive-chapters button[aria-current]{border-bottom-color:var(--orange)}.immersive-bottom{bottom:10px;left:5vw;right:5vw;gap:12px;font-size:.625rem}.immersive-guide{font-size:.625rem;gap:6px;white-space:normal;max-width:145px;line-height:1.4}.immersive-guide i{flex-shrink:0;width:14px;height:22px}.immersive-guide i::before{left:5px}.immersive-bottom .immersive-skip,.immersive-bottom button{font-size:.625rem}.immersive-skip-long{display:none}.immersive-load{right:5vw;bottom:130px;font-size:.75rem}.immersive-error{bottom:125px}.immersive.reduced-immersive{height:calc(100svh - 74px)}.about{grid-template-columns:1fr;gap:28px}.portrait{width:230px;max-width:100%;aspect-ratio:1;border-radius:50%;margin:auto}}
@media(max-height:650px) and (min-width:761px){.immersive-copy h1,.immersive-copy h2{font-size:3rem;margin-block:16px}.immersive-copy>p:not(.eyebrow){font-size:.9375rem}.immersive-copy .eyebrow{font-size:.625rem}.immersive-detail{margin-top:18px}.immersive-copy>a{margin-top:16px}.immersive-bottom{bottom:12px}}
@media(prefers-reduced-motion:reduce){.immersive.immersive-ready{height:calc(100svh - 84px)}.immersive-guide{display:none}}
@media(max-width:760px) and (prefers-reduced-motion:reduce){.immersive.immersive-ready{height:calc(100svh - 74px)}}

.immersive-copy>.intro-formulas{display:flex;align-items:center;gap:10px;width:fit-content;max-width:100%;min-height:44px;margin-top:12px;padding:8px 0;border-bottom:1px solid var(--blue);font-size:.875rem;line-height:1.5;color:var(--ink)}
.immersive-copy>.intro-formulas:hover{color:var(--ink);border-color:var(--orange)}
.immersive-copy>.intro-formulas:focus-visible{outline:3px solid var(--ink);outline-offset:4px}
@media(max-width:760px){.immersive-copy>.intro-formulas{margin-top:8px;font-size:.8125rem}}