/* The logo remains a home link while its hover opens the chapter directory. */
.home-link{position:relative;overflow:visible}
.home-logo-hint{position:absolute;left:calc(100% + 12px);bottom:3px;display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:11px;line-height:1.4;font-weight:400;letter-spacing:.03em;opacity:0;transform:translate(-5px,3px);transition:opacity .18s,transform .24s var(--ease);pointer-events:none;color:currentColor}
.home-logo-hint>span{font-size:17px;line-height:1}
.home-link:is(:hover,:focus-visible) .home-logo-hint{opacity:.8;transform:none}
#index-menu{background:color-mix(in srgb,var(--paper) 74%,transparent);-webkit-backdrop-filter:blur(42px) saturate(.65);backdrop-filter:blur(42px) saturate(.65);box-shadow:inset 0 1px #ffffff12}
#chapter-nav a{transform-origin:left center;transition:opacity .22s ease,transform .34s cubic-bezier(.16,1,.3,1);will-change:transform}
#chapter-nav a:is(:hover,:focus-visible){transform:translateX(8px) scale(1.065);opacity:1}
#chapter-nav a:is(:hover,:focus-visible)>span{text-shadow:0 0 32px color-mix(in srgb,currentColor 14%,transparent)}
#chapter-nav:has(a:focus-visible) a:not(:focus-visible){opacity:.38}
/* Depth is driven by a single interruptible spring, shared by hover, scroll and touch. */
#chapter-nav:has(a.is-preview) a{opacity:.52;transform:none}
#chapter-nav:has(a.is-preview) a.is-preview{opacity:1;transform:translateX(8px) scale(1.065)}
#menu-preview{overflow:visible;isolation:isolate;aspect-ratio:4/3;width:88%;justify-self:start;opacity:1;perspective:1100px;perspective-origin:50% 40%;pointer-events:auto;touch-action:pan-x pinch-zoom;user-select:none;cursor:grab}
#menu-preview.is-dragging{cursor:grabbing}
.menu-preview-card{position:absolute;inset:5% 0 9%;margin:0;padding:0;display:flex;flex-direction:column;text-align:left;color:var(--ink);background:var(--paper);border:1px solid color-mix(in srgb,var(--ink) 14%,transparent);border-radius:12px;overflow:hidden;box-shadow:0 22px 54px #0003;transform:translate3d(calc(var(--stack-depth)*2.8%),calc(var(--stack-depth)*-7%),calc(var(--stack-depth)*-55px)) scale(calc(1 - var(--stack-depth)*.07));transform-origin:50% 0%;opacity:calc(1 - var(--stack-depth)*.13);filter:blur(calc(var(--stack-depth)*1.35px)) brightness(calc(1 - var(--stack-depth)*.065)) saturate(calc(1 - var(--stack-depth)*.06));pointer-events:none;transition:none}
.menu-open .menu-preview-card{will-change:transform,filter}
#menu-preview .menu-preview-card img{flex:1;min-height:0;width:100%;height:calc(100% - 44px);object-fit:cover;transform:none;pointer-events:none}
.menu-preview-caption{flex:none;display:flex;align-items:center;justify-content:space-between;width:100%;height:44px;padding:0 20px;font-size:12px;letter-spacing:.08em;background:var(--paper);color:var(--ink);opacity:0;transition:opacity .22s}
.menu-preview-caption>span{font-size:18px;opacity:.65}
.menu-preview-card.is-front{pointer-events:auto;cursor:inherit}
.menu-preview-card.is-front .menu-preview-caption{opacity:.8}
.menu-preview-card:focus-visible{outline:2px solid #87b7ff;outline-offset:5px}
.menu-preview-hint{position:absolute;left:0;right:0;bottom:0;margin:0;font-size:11px;letter-spacing:.04em;color:var(--muted);text-align:center;pointer-events:none}
.menu-preview-hint .touch-hint{display:none}
@media(hover:none),(pointer:coarse){.menu-preview-hint .pointer-hint{display:none}.menu-preview-hint .touch-hint{display:inline}}
@media(max-width:900px){
  #menu-preview{width:86%;align-self:flex-start;min-height:160px;margin-top:24px;margin-bottom:24px;perspective:850px}
  .menu-preview-card{inset:0;border-radius:8px;box-shadow:0 12px 30px #0003;filter:blur(calc(var(--stack-depth)*.9px)) brightness(calc(1 - var(--stack-depth)*.065)) saturate(calc(1 - var(--stack-depth)*.06))}
  .menu-preview-caption{height:29px;font-size:10px;padding-inline:14px}
  .menu-preview-caption>span{font-size:14px}
  #menu-preview .menu-preview-card img{height:calc(100% - 29px)}
  .menu-preview-hint{bottom:-23px;font-size:10px}
  #chapter-nav:has(a.is-preview) a.is-preview{transform:translateX(4px);color:#8fc1fb}
}
@media(max-height:620px) and (max-width:900px){#menu-preview{display:none}}
@media(prefers-reduced-motion:reduce){.menu-preview-card,.menu-preview-caption{transition:none;will-change:auto}#chapter-nav:has(a.is-preview) a.is-preview{transform:none}}
.work-viewport,.case-motion,.hero-stage{overscroll-behavior-x:contain}
.case-cover-link{display:block;width:100%;height:100%;position:relative}
.three-up,.student .pair{overscroll-behavior-x:contain}
.count-unit{font-style:normal;font-weight:inherit}
.training-count-value{font-variant-numeric:tabular-nums}
.course-embed{border:1px solid #b9d9e522;border-radius:18px;overflow:hidden;background:#101416;scroll-margin-top:110px}
.course-embed iframe{display:block;width:100%;height:840px;border:0;max-width:100%}
@media(max-width:600px){.course-embed{margin-inline:12px;border-radius:12px}.course-embed iframe{height:860px}}
/* Keep chapter subheads on one shared left edge at every breakpoint. */
.section-top{grid-template-columns:minmax(0,1fr);gap:20px;max-width:1200px;margin-bottom:clamp(32px,4vw,64px)}
.section-top>.aside-label{font-size:11px;line-height:1.5;letter-spacing:.14em}
.section-top h2{font-size:clamp(32px,4.5vw,68px);line-height:1.28;max-width:20em;text-wrap:balance;letter-spacing:-.035em}
.section-top p{max-width:44em}
.practice-title{display:flex;align-items:baseline;gap:.3em .45em;flex-wrap:wrap}
.practice-title>span{white-space:nowrap}
.practice-title i{font-style:normal;font-size:.65em;color:#87b7ff;font-weight:300}
.story-brand{float:left;display:block;width:5.2em;height:.98em;max-width:34%;margin:.46em .55em .2em 0;background:var(--ink);-webkit-mask:url("../media/assets/0927v4/header-logo.svg") center top/100% auto no-repeat;mask:url("../media/assets/0927v4/header-logo.svg") center top/100% auto no-repeat}
.about-story-block .story-brand{background:#205ee6}
[data-theme=dark] .about-story-block .story-brand{background:#c6e2ff;filter:drop-shadow(0 0 8px #8fc1fb24)}
.section-echo .glass-liquid{transform:translate3d(var(--echo-follow-x,0px),var(--echo-follow-y,0px),0);inset:-9%;width:118%;height:118%;will-change:transform}
.echo-offscreen .section-echo .glass-liquid i{animation-play-state:paused}
@media(max-width:600px){.section-top{gap:14px}.section-top h2{font-size:clamp(29px,7.8vw,40px)}.practice-title{column-gap:.3em}.story-brand{width:5.2em;height:.98em;margin:.46em .55em .3em 0}}
@media(prefers-reduced-motion:reduce){.section-echo .glass-liquid{transform:none;will-change:auto}}
/* A single WAICY signature, with oversized typography receding behind it. */
body[data-route=waicy] .chapter-head{position:relative;min-height:77svh;overflow:hidden;color:#f3f7f5;background:radial-gradient(ellipse at 63% 48%,#33555338,transparent 65%),linear-gradient(140deg,#0e1919dd,#152021ee)}
body[data-route=waicy] .chapter-eyebrow{position:relative;z-index:2;color:#c2d1cc}
.waicy-heading{position:relative;display:grid;grid-template-columns:1fr;place-items:center;isolation:isolate;min-height:clamp(280px,44svh,510px);overflow:hidden;gap:0}
.waicy-heading h1.latin{position:absolute;z-index:-1;left:-.08em;bottom:-.26em;margin:0;font-size:clamp(180px,30.5vw,560px);line-height:.9;letter-spacing:-.065em;white-space:nowrap;opacity:.11;mask-image:linear-gradient(to bottom,transparent 3%,#000 40%,#000 78%,transparent);-webkit-mask-image:linear-gradient(to bottom,transparent 3%,#000 40%,#000 78%,transparent)}
.waicy-heading .waicy-mark{width:min(62%,780px);max-width:100%;min-width:0;justify-self:center;padding:0;background:transparent;border-radius:0;transform:none}
.waicy-heading .waicy-mark img{width:100%;height:auto;display:block;filter:drop-shadow(0 12px 36px #0003)}
@media(max-width:900px){body[data-route=waicy] .chapter-head{min-height:66svh;padding-bottom:30px}.waicy-heading{min-height:260px}.waicy-heading h1.latin{font-size:31vw;bottom:.04em;opacity:.12}.waicy-heading .waicy-mark{width:82%;transform:none}}
@media(hover:none){.home-logo-hint{display:none}}
@media(max-width:600px){.home-logo-hint{left:100%;bottom:-8px;font-size:9px;gap:3px}.home-logo-hint>span{font-size:13px}}
@media(prefers-reduced-motion:reduce){.home-logo-hint,#chapter-nav a{transition:none}}

.progress-dialog{color:#edf3f5;background:linear-gradient(145deg,#17272ff5,#111a1ff5);border:1px solid #bad6e338;border-radius:22px;width:min(420px,calc(100vw - 32px));max-height:calc(100svh - 32px);padding:38px 32px 26px;text-align:center;box-shadow:0 30px 100px #000a;backdrop-filter:blur(28px);overflow:auto}
.progress-dialog::backdrop{background:#02090cbb;backdrop-filter:blur(14px)}
.progress-dialog .dialog-close{position:absolute;right:15px;top:12px;background:transparent;color:#abc3d0;font-size:24px;width:32px;height:32px}
.progress-dialog .eyebrow{font-size:10px;letter-spacing:.18em;color:#839eaf}.progress-dialog h2{font-size:38px;font-weight:400;line-height:1.2;margin:19px 0;letter-spacing:-.04em}.progress-dialog p{font-size:13px;line-height:1.8;color:#99b0bc}.progress-dialog .qr{background:white;padding:14px;border-radius:14px;margin:24px auto 17px;width:210px}.progress-dialog .qr img{display:block;width:100%;height:auto}.progress-dialog small{font-size:10px;color:#8da8b6}

.about-story-block>p::after{content:"";display:block;clear:both}

/* The closing artwork breathes behind a steady signature; contact details rise with the scroll. */
.closing-experience{--contact-reveal:1;position:relative;isolation:isolate;margin:0 var(--gutter) 80px}
.closing-scene{position:sticky;top:94px;height:clamp(420px,72svh,840px);overflow:hidden;background:#286c9e;color:#f4faff;border-radius:4px;isolation:isolate}
.closing-landscape{position:absolute;inset:-6%;z-index:-2;transform:translate3d(calc(var(--echo-follow-x,0px)*.35),calc(var(--echo-follow-y,0px)*.35),0)}
.closing-landscape>img{display:block;width:100%;height:100%;object-fit:cover;filter:blur(6px);animation:closing-drift 16s ease-in-out infinite alternate;will-change:transform}
.closing-scene::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(#092c4729,transparent 55%,#061e352e);opacity:calc(.6 + var(--contact-reveal)*.4)}
.closing-waves{position:absolute;inset:0;overflow:hidden;mix-blend-mode:screen;opacity:.44}
.closing-waves i{position:absolute;left:50%;top:70%;width:90%;height:60%;border-radius:50%;background:radial-gradient(ellipse,transparent 48%,#b4edff44 57%,#e6fcff18 62%,transparent 70%);filter:blur(12px);animation:closing-ripple 18s linear infinite;transform:translate(-50%,-50%);opacity:0}
.closing-waves i:nth-child(2){animation-delay:-6s}.closing-waves i:nth-child(3){animation-delay:-12s}
.closing-signature{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(45px,8svh,100px);padding:30px;opacity:calc(1 - var(--contact-reveal));transform:translateY(calc(var(--contact-reveal)*-24px))}
.closing-brand{display:block;width:clamp(210px,26vw,470px);aspect-ratio:1.86;background:linear-gradient(#fff,#d9eef9 52%,#fff);-webkit-mask:url("../media/assets/0927v4/header-logo.svg") center/contain no-repeat;mask:url("../media/assets/0927v4/header-logo.svg") center/contain no-repeat}
.closing-signature p{margin:0;font-size:clamp(16px,1.8vw,30px);font-weight:400;letter-spacing:.24em;line-height:1.8;text-align:center}
.closing-contact-trigger{position:absolute;bottom:24px;left:50%;translate:-50% 0;display:flex;align-items:center;gap:22px;padding:12px 19px;border:1px solid #ffffff3d;border-radius:30px;font-size:12px;color:#f0faff;background:#0736533d;backdrop-filter:blur(18px);transition:background .2s}
.closing-contact-trigger:hover{background:#0d375f80}.closing-contact-trigger:active{scale:.97}
.contact-sheet{position:relative;z-index:2;max-width:1160px;margin:20svh auto 0;padding:0 32px 36px;scroll-margin-top:116px}
.contact-sheet-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr) 180px;align-items:center;gap:38px;padding:clamp(26px,4vw,64px);color:#f4f7fb;background:linear-gradient(145deg,#172c3bf0,#0b1822f7);border:1px solid #c6e8fa30;border-radius:30px;box-shadow:0 30px 100px #020c214d,inset 0 1px #f6fbff0d;-webkit-backdrop-filter:blur(30px) saturate(.9);backdrop-filter:blur(30px) saturate(.9);transform:translateY(calc((1 - var(--contact-reveal))*64px)) scale(calc(.94 + var(--contact-reveal)*.06));opacity:calc(.12 + var(--contact-reveal)*.88);transform-origin:center top}
.contact-eyebrow{font-size:10px;letter-spacing:.16em;color:#8db8d1}
.contact-intro h2{font-size:clamp(28px,3vw,44px);font-weight:400;line-height:1.4;letter-spacing:-.045em;margin:21px 0 10px}
.contact-details{align-self:center;min-width:0}
.contact-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px 12px;width:100%;text-align:left;padding:18px 0;border-bottom:1px solid #dcefff24;background:transparent;color:inherit;transition:color .2s}
.contact-item>span{grid-column:1/-1;font-size:11px;color:#90aec2;letter-spacing:.08em}.contact-item strong{font-size:clamp(16px,1.55vw,22px);font-weight:400;letter-spacing:-.02em;overflow-wrap:anywhere}.contact-item i{font-style:normal;align-self:center;font-size:12px;color:#93c2e0}.contact-item:hover{color:#b7dbff}.contact-item:active{opacity:.72}
.contact-copy-status{font-size:11px;min-height:1.6em;line-height:1.6;color:#a9cde3;margin:10px 0 0}
.contact-qr{display:block;background:transparent;color:#b4c9d8;text-align:center;min-width:0}
.contact-qr>span{display:block;padding:12px;background:white;border-radius:15px}.contact-qr img{display:block;width:100%;height:auto}.contact-qr small{display:block;font-size:11px;margin-top:14px;letter-spacing:.05em}
.contact-links{grid-column:1/-1;display:flex;justify-content:space-between;gap:20px;padding-top:27px;border-top:1px solid #dcefff24;font-size:12px;color:#b4cada}.contact-links a:hover{color:#fff}
.closing-scene.echo-offscreen :is(.closing-landscape>img,.closing-waves i),.closing-paused :is(.closing-landscape>img,.closing-waves i){animation-play-state:paused}
@keyframes closing-drift{from{transform:translate3d(-1.2%,1%,0) scale(1.025)}to{transform:translate3d(1.2%,-1.8%,0) scale(1.085)}}
@keyframes closing-ripple{0%{transform:translate(-50%,-50%) scale(.4,.65);opacity:0}20%{opacity:.65}80%{opacity:.2}100%{transform:translate(-50%,-65%) scale(2,2.4);opacity:0}}
@media(max-width:1000px){.contact-sheet-inner{grid-template-columns:minmax(0,1fr) 170px;gap:24px 38px}.contact-intro{grid-column:1/-1}.contact-intro h2 br{display:none}.contact-intro h2{margin:15px 0 0}.contact-sheet{padding-inline:24px}.closing-scene{top:84px}}
@media(max-width:600px){.closing-experience{margin-inline:12px;margin-bottom:36px}.closing-scene{height:68svh;min-height:430px;top:76px}.closing-signature{gap:54px;padding:20px}.closing-signature p{font-size:15px;letter-spacing:.16em}.closing-contact-trigger{bottom:23px}.contact-sheet{padding:0 10px 24px;margin-top:14svh;scroll-margin-top:88px}.contact-sheet-inner{grid-template-columns:minmax(0,1fr);padding:28px 22px 24px;gap:22px;border-radius:24px}.contact-intro h2{font-size:28px}.contact-intro h2 br{display:block}.contact-qr{width:176px;justify-self:center}.contact-links{font-size:11px;padding-top:22px;gap:12px}.contact-item{padding:14px 0}.contact-item strong{font-size:18px}}
@media(prefers-reduced-motion:reduce){.closing-scene{position:relative;top:auto}.closing-landscape{transform:none}.closing-landscape>img,.closing-waves i{animation:none;will-change:auto}.closing-waves i{display:none}.closing-signature{transform:none;opacity:1}.contact-sheet-inner{transform:none;opacity:1}.contact-sheet{margin-top:32px}}
@media(prefers-reduced-transparency:reduce){.contact-sheet-inner{background:#102230;backdrop-filter:none}.closing-contact-trigger{background:#123d60;backdrop-filter:none}}

/* 1010v2: registration entry in the contact panel. */
.contact-registration{display:flex;flex-direction:column;gap:16px;min-width:0}
.contact-registration .contact-qr{align-self:center;width:100%;max-width:180px}
.contact-enroll-link{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;padding:12px 16px;border:1px solid #e4f6ff66;border-radius:12px;background:#d7efff;color:#103149;font-size:14px;font-weight:500;line-height:1.4;transition:background .2s}
.contact-enroll-link:hover{background:#fff}
.contact-enroll-link:focus-visible{outline:2px solid #fff;outline-offset:4px}
@media(max-width:600px){.contact-registration{width:min(100%,240px);justify-self:center}}