@font-face{font-family:RogueMarker;src:url("assets/challenger-marker.ttf") format("truetype");font-weight:400;font-display:swap}
/* A single continuous wall. Reading order and all copy work without JavaScript. */
.wall-study{background:var(--ink)}
.wall-study [hidden]{display:none!important}
.wall-journey{--paint-pink:#ff4c88;position:relative;background:var(--ink);color:#fff}
.wall-viewport{position:relative}
.wall-sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.wall-lane{position:relative;outline-offset:-4px!important}
.wall-track{position:relative;isolation:isolate;background-color:var(--ink);background-image:linear-gradient(#0c123144,#0c123144),url("assets/challenger-navy-brick-wall.webp");background-repeat:repeat;background-size:auto,auto 760px}
/* The same brick relief crosses the ink as well as the bare wall. */
.wall-track::after{content:"";position:absolute;inset:0;z-index:3;pointer-events:none;background-image:url("assets/challenger-navy-brick-wall.webp");background-repeat:repeat;background-size:auto 760px;mix-blend-mode:multiply;opacity:.08}
.wall-paint-filters{position:absolute;pointer-events:none}
.wall-cover h1,.graffiti-title,.wall-tag,.paint-signature,.wall-arrow{filter:url(#wall-painted-ink)}
.wall-chapter{position:relative;isolation:isolate;overflow:hidden;display:flex;flex-direction:column;justify-content:center;gap:2rem;padding:5rem max(5vw,1.5rem);min-height:750px;scroll-margin-top:0}
.wall-chapter:focus{outline:none}
.wall-cover{align-items:flex-start}
.wall-cover h1{font-family:RogueMarker,Impact,sans-serif;font-weight:400;font-size:clamp(5rem,10.5vw,11rem);line-height:.95;letter-spacing:-.05em;text-transform:uppercase;transform:rotate(-4deg);position:relative;max-width:100%;margin:.5rem 0 1rem}
.wall-cover h1>span{color:var(--paint-pink)}
.wall-cover h1>.wall-cover-kicker{display:block;font-size:.31em;letter-spacing:-.035em;line-height:1.3;margin-bottom:.22em;color:#fff}
.wall-benefit{font-size:clamp(.75rem,1vw,1rem);letter-spacing:.06em;text-transform:uppercase;font-weight:800;position:relative;z-index:2}
.wall-cover-copy{font-size:clamp(1rem,1.45vw,1.35rem);max-width:46ch;color:#fff;line-height:1.6}
.wall-start{display:inline-flex;align-items:center;gap:2rem;min-height:48px;font-size:1.15rem;font-weight:800;padding:.5rem 0;border-bottom:2px solid var(--pink);touch-action:manipulation}
.wall-start>span{font-size:2rem;line-height:1}
.wall-tag{font-family:RogueMarker,cursive;color:var(--paint-pink);position:absolute;right:8vw;top:24%;transform:rotate(8deg);font-size:clamp(1.4rem,3.4vw,4rem);line-height:1.05;max-width:8ch}
.wall-cover .wall-arrow{right:12%;bottom:12%;width:24vw;transform:rotate(-10deg)}
.wall-rule{gap:2rem}
.spray-number{position:absolute;left:2%;top:10%;font-family:RogueMarker,cursive;font-size:clamp(10rem,24vw,24rem);line-height:1;color:transparent;-webkit-text-stroke:2px #f3f0e744;transform:rotate(-8deg);opacity:.65;z-index:-1}
.mural-message{position:relative;width:100%;z-index:1}
.mural-message .wall-benefit{margin-left:1%;margin-bottom:1.8rem}
.graffiti-title{font-family:RogueMarker,Impact,sans-serif;font-weight:400;font-size:clamp(4rem,9.5vw,10rem);line-height:.95;letter-spacing:-.065em;text-transform:uppercase;transform:rotate(-3deg);transform-origin:left center;width:max-content;max-width:95%;text-shadow:none}
.graffiti-title span,.graffiti-title em{display:block;font-style:normal}
.graffiti-title em{color:var(--paint-pink);position:relative;width:max-content;max-width:100%}
.graffiti-title em::after{content:"";position:absolute;bottom:-.09em;left:.03em;width:95%;height:.055em;background:currentColor;transform:rotate(-1.5deg);clip-path:polygon(0 30%,98% 0,100% 72%,3% 100%)}
.graffiti-title em::before{content:"";position:absolute;left:71%;bottom:-.31em;width:.026em;height:.25em;background:currentColor;border-radius:10% 20% 45% 50%;box-shadow:.21em -.07em 0 -.003em currentColor,-1.15em -.04em 0 -.004em currentColor;transform:rotate(3deg)}
.wall-rule-2 .graffiti-title{transform:rotate(2deg)}
.wall-rule-3 .graffiti-title{font-size:clamp(4rem,10vw,10rem);transform:rotate(-5deg)}
.wall-rule-4 .graffiti-title{transform:rotate(-4deg)}
.wall-rule-4 .graffiti-title em::after{height:.12em;transform:rotate(2deg)}
.wall-rule-5 .graffiti-title{font-size:clamp(4rem,8.2vw,8.5rem)}
.wall-rule-6 .graffiti-title{font-size:clamp(3rem,5.8vw,6.5rem);letter-spacing:-.055em;line-height:1}
.wall-rule-6 .graffiti-title em{font-size:1.3em}
.wall-rule-7 .graffiti-title{transform:rotate(2deg)}
.wall-explanation{position:relative;z-index:2;background:none;color:#fff;padding:0;max-width:min(680px,74vw);margin-top:clamp(2.5rem,4vw,4.25rem);transform:none;clip-path:none;box-shadow:none}
.wall-explanation p{font-size:clamp(1rem,1.4vw,1.25rem);font-weight:500;line-height:1.65}
.wall-explanation .text-link{margin-top:.6rem}
.wall-arrow{position:absolute;width:20vw;max-width:260px;height:auto;bottom:11%;left:12%;fill:var(--paint-pink);stroke:none;transform:rotate(7deg);opacity:.98}
.wall-arrow .arrow-brush-break{fill:none;stroke:var(--ink);stroke-width:1.2;stroke-linecap:butt;opacity:.23}
.wall-arrow .arrow-spray{opacity:.65}
.wall-rule .wall-arrow{left:auto;right:7%;bottom:18%;width:16vw;transform:rotate(-8deg)}
.paint-signature{font-family:RogueMarker,cursive;position:absolute;bottom:3%;right:5%;color:#eecedb;font-size:clamp(.8rem,1.1vw,1.2rem);transform:rotate(-5deg)}
.wall-controls{background:#0c1231;z-index:5;position:relative;display:flex;align-items:center;gap:1rem;justify-content:center;padding:.7rem var(--pad) 1rem;border-top:1px solid #ffffff26}
.wall-controls>button{flex:none;display:grid;place-items:center;border:1px solid #ffffff55;background:transparent;color:var(--paper);width:44px;height:44px;cursor:pointer;font-size:1.5rem}
.wall-controls>button:hover:not(:disabled){color:var(--pink);border-color:var(--pink)}
.wall-controls>button:disabled{opacity:.25;cursor:default}
.wall-index{display:flex;gap:clamp(.1rem,1vw,1.3rem)}
.wall-index a{display:grid;place-items:center;min-width:38px;min-height:44px;font-size:12px;font-weight:800;border-bottom:2px solid transparent}
.wall-index a[aria-current]{color:var(--pink);border-bottom-color:var(--pink)}
.wall-progress{position:absolute;bottom:0;left:0;width:100%;height:3px;background:#ffffff26}
.wall-progress>span{display:block;width:100%;height:100%;background:var(--pink);transform:scaleX(0);transform-origin:left center}
.wall-outro{background:var(--paper);color:var(--ink)}
.wall-outro h2{font-family:Manrope,Arial,sans-serif;font-weight:800;font-size:clamp(3rem,5.8vw,6.5rem);line-height:1.08;letter-spacing:-.05em;text-transform:none;margin:0 0 2rem}
.wall-outro h2 span{color:#c00b47}
/* Vertical scrolling moves the camera horizontally; no wheel interception. */
.wall-journey.is-panning .wall-viewport{position:sticky;top:0;height:100svh;display:flex;flex-direction:column}
.wall-journey.is-panning .wall-lane{flex:1;min-height:0;overflow:hidden;touch-action:pan-y}
.wall-journey.is-panning .wall-track{display:flex;width:max-content;height:100%;background-size:auto,auto 100%;background-repeat:repeat-x}
.wall-journey.is-panning .wall-track::after{background-size:auto 100%;background-repeat:repeat-x}
.wall-journey.is-panning .wall-chapter{width:100vw;flex:0 0 100vw;min-height:0;height:100%;padding:2.5rem max(5vw,1.5rem) 3rem;gap:1.75rem}
.wall-journey.is-panning .wall-cover{padding-left:8vw;gap:1.1rem}
.wall-journey.is-reading .wall-chapter{border-bottom:1px solid #ffffff26}
@media(max-height:800px) and (min-width:761px){
 .wall-journey.is-panning .graffiti-title{font-size:clamp(3.5rem,7.3vw,7rem)}
 .wall-journey.is-panning .wall-rule-5 .graffiti-title{font-size:7vw}
 .wall-journey.is-panning .wall-rule-6 .graffiti-title{font-size:4.8vw}
 .wall-journey.is-panning .wall-explanation{max-width:min(680px,74vw);padding:0;margin-top:2rem}
 .wall-journey.is-panning .wall-explanation p{font-size:15px;line-height:1.5}
 .wall-journey.is-panning .wall-cover h1{font-size:7.5vw}
 .wall-journey.is-panning .mural-message .wall-benefit{margin-bottom:1rem}
}
@media(max-width:1000px){.wall-rule .wall-arrow{display:none}}
@media(max-width:760px){
 .wall-outro h2{font-size:clamp(2.4rem,10.2vw,4.25rem)}
 .wall-chapter{min-height:650px;padding:3.5rem 1.5rem 4rem;gap:2rem}
 .wall-journey.is-panning .wall-chapter{padding:1.8rem 1.5rem 3rem;gap:1.8rem;justify-content:flex-start}
 .wall-journey.is-panning .wall-chapter.has-overflow-copy{overflow-y:auto;overscroll-behavior-y:contain}
 .wall-journey.is-panning .mural-message{margin-block:auto}
 .wall-journey.is-panning .wall-cover h1{margin-top:auto}
 .wall-journey.is-panning .wall-cover .wall-start{margin-bottom:auto}
 .wall-journey.is-panning .wall-cover{padding-left:1.5rem}
 .wall-cover h1{font-size:16vw;letter-spacing:-.045em}
 .wall-cover-copy{font-size:1rem;max-width:31ch}.wall-cover-copy br{display:none}
 .wall-tag{position:relative;order:-1;top:auto;right:auto;align-self:flex-end;font-size:1.5rem;max-width:none;margin:0 0 1rem}.wall-tag br{display:none}
 .wall-cover .wall-arrow{display:none}
 .wall-benefit{font-size:10px;letter-spacing:.03em;max-width:35ch}
 .mural-message .wall-benefit{margin-bottom:1.25rem}
 .graffiti-title,.wall-rule-5 .graffiti-title{font-size:13.5vw;line-height:1.02;max-width:100%;letter-spacing:-.06em}
 .wall-rule-3 .graffiti-title{font-size:10.8vw;letter-spacing:-.06em}
 .wall-rule-6 .graffiti-title{font-size:9.2vw;line-height:1.1;max-width:100%}
 .wall-explanation{width:100%;max-width:100%;padding:0;margin-top:2.25rem}
 .wall-explanation p{font-size:16px;line-height:1.65}
 .wall-rule .wall-arrow{display:none}
 .spray-number{display:none}
 .paint-signature{font-size:.8rem;bottom:2.3%;right:1.5rem}
 .wall-controls{padding:.5rem .75rem 1rem;gap:.3rem}
 .wall-index{gap:0;flex:1;justify-content:space-around}
 .wall-index a{min-width:27px;font-size:10px}
 .wall-controls>button{width:38px;height:44px}
 .wall-start{font-size:1rem}
}
@media(prefers-reduced-motion:reduce){.wall-study{scroll-behavior:auto}}
@media print{.wall-track::after{display:none}.wall-cover h1,.graffiti-title,.wall-tag,.paint-signature,.wall-arrow{filter:none}.wall-explanation{color:#111}}
@media print{.wall-topline,.wall-controls,.wall-tag,.wall-arrow{display:none!important}.wall-journey{height:auto!important}.wall-viewport{position:static!important;height:auto!important}.wall-lane{overflow:visible!important}.wall-track{display:block!important;width:auto!important;background:none!important}.wall-chapter{min-height:0!important;width:auto!important;height:auto!important;break-inside:avoid;padding:1rem!important;color:#111}.wall-explanation{max-width:100%;width:100%;padding:0;clip-path:none;transform:none}.graffiti-title{font-size:32pt!important;transform:none;color:#111}.graffiti-title em{color:#c00b47}.paint-signature,.spray-number{display:none}}

/* Short phone screens keep the horizontal wall. Let enlarged text scroll within
   its own panel if necessary, rather than switching the entire page vertically. */
@media(max-width:760px) and (max-height:700px){
 .wall-journey.is-panning .wall-chapter{padding:1.25rem 1.5rem 2rem;gap:1rem}
 .wall-journey.is-panning .wall-explanation{margin-top:1.5rem}
 .wall-journey.is-panning .wall-explanation p{font-size:.9375rem;line-height:1.5}
 .wall-journey.is-panning .wall-cover-copy{line-height:1.5}
}