/* A real Y-axis turn: two faces and a layered, solid rim. */
.fold-coin{--coin-size:132px;width:var(--coin-size);height:var(--coin-size);perspective:850px;flex:none}
.coin-rotor{position:relative;width:100%;height:100%;transform-style:preserve-3d;animation:coin-turn 8s linear infinite;will-change:transform}
.coin-face,.coin-slice{position:absolute;inset:0;border-radius:50%;transform-style:preserve-3d}
.coin-slice{background:#2850ad;border:2px solid #173c9a;transform:translateZ(var(--depth))}
.coin-slice:nth-child(2n){background:#9ab9f1;border-color:#6c91d2}
.coin-face{display:grid;place-items:center;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:#dce8ff;border:6px solid #183eae;box-shadow:inset 0 0 0 5px #f4f7ff;overflow:hidden}
.coin-front{transform:translateZ(7px)}
.coin-back{transform:rotateY(180deg) translateZ(7px)}
.coin-face img{width:53%;height:53%;image-rendering:pixelated;pointer-events:none;user-select:none}
.coin-scene{position:relative}
.hero-coin-holder{position:absolute;width:24%;aspect-ratio:1;left:50%;top:12%;transform:translateX(-50%);z-index:1}
.hero-coin-holder .fold-coin{--coin-size:100%}
.coin-track{height:12px;border:1px solid var(--ink);padding:2px;margin:2px 0 10px;overflow:hidden}
.coin-track>span{display:block;height:100%;width:100%;background:repeating-linear-gradient(90deg,var(--ink) 0 7px,transparent 7px 10px);transform-origin:left;animation:coin-track-fill 8s steps(24,end) infinite}
.motion-controls{display:flex;align-items:center;gap:18px}
.motion-controls #intro-replay{font:10px Plex;padding:0;text-decoration:underline;text-underline-offset:4px;min-height:32px}
.brand-intro{position:fixed;inset:0;width:100%;max-width:none;height:100%;height:100svh;max-height:none;margin:0;padding:0;border:0;background:var(--paper);color:var(--ink);box-shadow:none;overflow:hidden;opacity:1}
.brand-intro[open]{display:grid;place-items:center}
.brand-intro::backdrop{background:var(--paper)}
.brand-intro.intro-leaving{animation:intro-out .26s ease-in forwards}
.intro-center{display:flex;flex-direction:column;align-items:center;width:min(390px,76vw);text-align:center}
.intro-eyebrow{font:10px Plex;letter-spacing:1.7px;margin:0 0 32px}
.intro-center .fold-coin{--coin-size:164px}
.intro-center .coin-rotor{animation:coin-turn 2.15s cubic-bezier(.33,.03,.42,1) both}
.intro-wordmark{font:32px Pixel;letter-spacing:2px;margin:31px 0 28px;color:var(--ink)}
.intro-track{width:100%;height:16px;border:1px solid var(--ink);padding:3px;overflow:hidden}
.intro-track>span{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:left;background:repeating-linear-gradient(90deg,var(--ink) 0 10px,transparent 10px 14px);animation:intro-fill 2.15s steps(24,end) forwards}
.intro-footnote{font:9px Plex;letter-spacing:1px;color:var(--muted);margin:20px 0 0}
.intro-skip{position:absolute;right:4%;top:25px;border:1px solid var(--line);background:transparent;font:11px Plex;padding:10px 14px;z-index:2}
.intro-skip:hover{border-color:var(--ink)}
.intro-skip:focus-visible{outline:2px solid var(--ink);outline-offset:4px}
html:has(.brand-intro[open]){overflow:hidden}
.intro-corner{position:absolute;font:25px Pixel;color:#6f94d9}
.intro-corner-left{left:16%;top:25%}.intro-corner-right{right:16%;bottom:25%}
.intro-bottom{position:absolute;bottom:25px;left:4%;right:4%;display:flex;justify-content:space-between;gap:20px;font:9px Plex;letter-spacing:1px;color:var(--muted)}
@keyframes coin-turn{from{transform:rotateY(0deg)}to{transform:rotateY(360deg)}}
@keyframes coin-track-fill{0%,5%{transform:scaleX(0)}85%,95%{transform:scaleX(1)}100%{transform:scaleX(0)}}
@keyframes intro-fill{0%,8%{transform:scaleX(0)}100%{transform:scaleX(1)}}
@keyframes intro-out{to{opacity:0;transform:translateY(-8px)}}
@media(max-width:760px){.coin-face{border-width:5px;box-shadow:inset 0 0 0 4px #f4f7ff}.intro-center .fold-coin{--coin-size:140px}.intro-wordmark{font-size:27px}.intro-corner-left{left:8%;top:24%}.intro-corner-right{right:8%;bottom:24%}.intro-bottom{font-size:8px}.motion-controls{gap:12px}}
@media(prefers-reduced-motion:reduce){.coin-rotor,.coin-track>span,.intro-center .coin-rotor,.intro-track>span,.brand-intro.intro-leaving{animation:none!important}.coin-track>span,.intro-track>span{transform:scaleX(1)}.coin-rotor{will-change:auto}}