/* The Four Rivers cycling passport: navy cover, cream pages, rubber stamps.
   One pinned stage: the passport opens on the desk, comes closer, turns its pages with the scroll, closes at the end. */
:root{--navy:#1d3366;--navy-d:#142650;--page:#f7f2e2;--page-line:#e4dcc4;--gold:#d8c89a}
.pp-body .terrain::before{content:"";position:absolute;inset:0;background:url(/assets/terrain.svg) 0 0/1400px 1400px repeat;opacity:.8}

/* ---------- stage ---------- */
.flipbook{position:relative;z-index:1;overscroll-behavior:none}
.bookmode body{overscroll-behavior-y:none}
.fb-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.desk{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:center;gap:clamp(2rem,6vw,6rem);padding:80px var(--sc-gutter) 40px;max-width:1320px;margin:0 auto}
.booklet-slot{width:640px;max-width:100%;justify-self:center}
.opening-copy{background:var(--paper);box-shadow:0 0 16px 12px var(--paper);border-radius:18px;will-change:opacity,transform}
.opening-copy h1{font:400 clamp(2.4rem,1.4rem + 3.6vw,4.8rem)/1 var(--sc-font-display);letter-spacing:-.03em;margin:0 0 1.2rem}
.opening-copy .sc-body{color:var(--sc-ink-soft);max-width:44ch}
.scroll-cue{display:inline-flex;align-items:center;gap:.6rem;font-size:.92rem;color:var(--sc-ink-soft);margin:.6rem 0 0}
.scroll-cue::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--route)}

/* the book is laid out at a fixed virtual size and scaled as a whole */
.book{position:absolute;left:50%;top:50%;width:calc(var(--wp,600px) * 2);height:var(--hp,820px);margin-left:calc(var(--wp,600px) * -1);margin-top:calc(var(--hp,820px) / -2);transform-origin:50% 50%;perspective:3200px;will-change:transform;cursor:pointer;z-index:5}
.leaf{position:absolute;left:50%;top:0;width:50%;height:100%;transform-origin:0 50%;transform-style:preserve-3d;will-change:transform}
.side{position:absolute;inset:0;overflow:hidden}
.side.back{transform:scaleX(-1);visibility:hidden}
.leaf.flipped .side.front{visibility:hidden}
.leaf.flipped .side.back{visibility:visible}
.side.front{border-radius:2px 12px 12px 2px;box-shadow:0 2px 3px rgba(60,50,20,.22),0 40px 70px -34px rgba(40,30,10,.6)}
.side.back{border-radius:12px 2px 2px 12px;box-shadow:0 2px 3px rgba(60,50,20,.22),0 40px 70px -34px rgba(40,30,10,.6)}
/* a turning page catches light and shadow */
.side::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:var(--sh,0);background:linear-gradient(90deg,rgba(40,30,10,.55),rgba(40,30,10,0) 55%)}
.side.back::after{background:linear-gradient(270deg,rgba(40,30,10,.55),rgba(40,30,10,0) 55%)}
/* a stack of pages peeking out under the cover and along the edge */
.leaf.is-paper .side.front{box-shadow:0 1px 2px rgba(60,50,20,.18),2px 2px 0 -1px #efe8d4,4px 4px 0 -2px #e8e0c8,0 40px 70px -34px rgba(40,30,10,.55)}

/* ---------- covers ---------- */
.cover-front,.cover-back-out{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;padding:10%;text-align:center;color:var(--gold);background:linear-gradient(105deg,var(--navy-d) 0 3%,var(--navy) 6%,#22397a 60%,var(--navy) 100%)}
.cover-front::after,.cover-back-out::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(255,255,255,.018) 0 2px,transparent 2px 5px);pointer-events:none}
.cover-back-out{background:linear-gradient(255deg,var(--navy-d) 0 3%,var(--navy) 6%,#22397a 60%,var(--navy) 100%)}
.cv-ko{font:600 calc(var(--wp,600px) * .062)/1.2 var(--sc-font-text);letter-spacing:.06em;margin:0}
.cv-en{font:500 calc(var(--wp,600px) * .026)/1.3 var(--sc-font-text);letter-spacing:.16em;margin:0;opacity:.85}
.cv-bike{width:38%;margin:20px 0 8px;color:var(--gold)}
.cv-emblem{width:30%;color:var(--gold);opacity:.8}
.cv-pass{font:600 calc(var(--wp,600px) * .05)/1 var(--sc-font-text);letter-spacing:.42em;margin:0}
.cv-owner{position:absolute;bottom:7%;font:italic 400 calc(var(--wp,600px) * .034) var(--sc-font-display);opacity:.7;margin:0}

/* ---------- pages ---------- */
.face{position:absolute;inset:0;padding:40px 44px 50px;background:var(--page);background-image:repeating-linear-gradient(0deg,transparent 0 27px,rgba(170,150,100,.13) 27px 28px);color:#3b4250;font:400 16px/1.55 var(--sc-font-text);overflow:hidden}
.face>*{zoom:var(--fit,1)}
.side.front .face{box-shadow:inset 22px 0 26px -20px rgba(80,60,20,.28)}
.side.back .face{box-shadow:inset -22px 0 26px -20px rgba(80,60,20,.28)}
.pg-head{display:flex;justify-content:space-between;font:600 12px/1 var(--sc-font-text);letter-spacing:.14em;color:var(--navy);text-transform:uppercase;margin:0 0 22px;padding-bottom:10px;border-bottom:2px solid var(--navy)}
.pg-title{font:400 38px/1.05 var(--sc-font-display);letter-spacing:-.02em;margin:0 0 6px;color:#1d2a44;text-wrap:balance}
.pg-title .arrow{color:#a32f25}
.pg-ko{font-size:15px;color:#7a7360;margin:0 0 18px}
.pg-date{font:600 14px var(--sc-font-text);color:#a32f25;letter-spacing:.08em;margin:6px 0 16px}
.pg-text{margin:0 0 14px;text-wrap:pretty}
.pg-note{font-size:14px;color:#7a7360}
.folio{position:absolute;bottom:18px;font:500 12px var(--sc-font-text);color:#9a927a}
.side.back .folio{left:24px}.side.front .folio{right:24px}

/* inside cover note */
.face.note{display:flex;flex-direction:column;gap:22px;padding:56px 54px;background-image:repeating-linear-gradient(0deg,transparent 0 30px,var(--page-line) 30px 31px)}
.small-caps{font:600 14px/1.2 var(--sc-font-text);letter-spacing:.12em;color:var(--navy);margin:0}
.ink-note{font:italic 400 24px/1.45 var(--sc-font-display);color:#3c4a6b;margin:0;rotate:-1.5deg}
.serial{margin-top:auto;font:600 14px var(--sc-font-text);color:#a32f25;letter-spacing:.1em}

/* ID page */
.face.idpage{display:flex;flex-direction:column;background-image:radial-gradient(circle at 70% 40%,rgba(29,51,102,.06) 0 30%,transparent 31%),repeating-radial-gradient(circle at 70% 40%,transparent 0 9px,rgba(29,51,102,.05) 9px 10px)}
.id-grid{display:grid;grid-template-columns:40% 1fr;gap:28px;align-items:start;margin-top:10px}
.id-photo{border:1px solid #cfc6aa;padding:5px;background:#fff}
.id-photo img{display:block;width:100%;height:auto;aspect-ratio:3/4;object-fit:cover;filter:saturate(.85)}
.id-data{margin:0;display:flex;flex-direction:column;gap:16px}
.id-data dt{font-size:12px;color:#7a7360;letter-spacing:.04em}
.id-data dd{margin:2px 0 0;font:600 18px/1.25 var(--sc-font-text);color:#1d2a44}
.mrz{margin:auto 0 10px;font:500 13px/1.6 ui-monospace,monospace;letter-spacing:.06em;color:#4a4a44;overflow:hidden;white-space:nowrap}

/* riding days */
.day-grid{display:grid;grid-template-columns:42% 1fr;gap:20px;align-items:center;margin-bottom:18px}
.minimap{width:100%;height:auto;display:block}
.mm-all{fill:none;stroke:#b9b09a;stroke-width:2;stroke-linejoin:round}
.mm-day{fill:none;stroke:#a32f25;stroke-width:3.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1500ms 250ms cubic-bezier(.23,1,.32,1)}
.face.seen .mm-day{stroke-dashoffset:0}
.mm-a{fill:var(--page);stroke:#a32f25;stroke-width:2}.mm-b{fill:#a32f25}
.day-stats{margin:0;display:flex;flex-direction:column;gap:14px}
.day-stats dt{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#7a7360}
.day-stats dd{margin:0;font:400 32px/1 var(--sc-font-display);color:#1d2a44}

/* stamp boxes */
.boxes{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:26px}
.box{position:relative;aspect-ratio:1;border:1.5px dashed #c4b998;border-radius:6px;display:grid;place-items:center}
.box-label{position:absolute;bottom:6px;left:0;right:0;text-align:center;font:600 9px/1.1 var(--sc-font-text);letter-spacing:.08em;color:#a59d82;padding:0 4px}
.pstamp{width:86%;display:block;opacity:0;transform:rotate(var(--rot)) scale(1.8);cursor:pointer}
.pstamp .stamp-svg{width:100%;height:auto;display:block;mix-blend-mode:multiply}
.pstamp.stamped{animation:thunk 480ms cubic-bezier(.2,1.4,.4,1) forwards}
.pstamp.big{width:250px;margin:0 auto}
.big-stamp-slot{display:flex;justify-content:center;padding:30px 0 34px}
.box:has(.stamped){border-color:transparent}

/* taped photos */
.taped{position:relative;margin:0;background:#fff;padding:8px 8px 10px;box-shadow:0 1px 2px rgba(60,50,20,.25),0 14px 28px -14px rgba(40,30,10,.5);width:86%}
.taped img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.taped figcaption{font:italic 400 16px var(--sc-font-display);color:#5b5545;padding-top:6px}
.taped::before{content:"";position:absolute;top:-10px;left:30%;width:84px;height:24px;background:rgba(239,226,180,.85);transform:rotate(-5deg);z-index:1}
.t1{rotate:-2.5deg}.t2{rotate:2deg;margin-left:auto}.t3{rotate:-1deg;margin-left:6%}
.face.collage .taped{position:absolute;width:60%}
.collage .c1{left:7%;top:5%;rotate:-3deg}
.collage .c2{right:6%;top:34%;rotate:2.5deg;z-index:2}
.collage .c3{left:10%;top:63%;rotate:-1.5deg}

.totals{width:100%;border-collapse:collapse;margin:8px 0 16px}
.totals th,.totals td{padding:11px 0;border-bottom:1px dashed #c4b998;text-align:left;font-weight:400;color:#3b4250}
.totals td{text-align:right;font:500 20px var(--sc-font-display);color:#1d2a44}

/* checklists, tips and the train ticket */
.tk-head{font:600 12px/1 var(--sc-font-text);letter-spacing:.14em;text-transform:uppercase;color:var(--navy);margin:18px 0 10px}
.ticks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:7px}
.ticks li{position:relative;padding-left:30px;font-size:14.5px;line-height:1.4}
.ticks li::before{content:"";position:absolute;left:2px;top:1px;width:16px;height:16px;border:1.5px solid #b9ad8c;border-radius:3px}
.ticks li::after{content:"";position:absolute;left:6px;top:-2px;width:8px;height:14px;border:solid #b8352a;border-width:0 3px 3px 0;transform:rotate(40deg)}
.tk-ko{display:block;font:600 12px/1.2 var(--sc-font-text);color:#a32f25;letter-spacing:.04em}
.tk-date{margin-left:6px;font:600 11px var(--sc-font-text);color:#9a927a}
.face.finish .big-stamp-slot{padding:4px 0 6px}
.face.finish .pstamp.big{width:200px}
.tips{margin:0 0 18px;padding-left:22px;display:flex;flex-direction:column;gap:9px;font-size:14.5px;line-height:1.45}
.tips b{color:#1d2a44}
.ticket{display:flex;background:#fff6e6;border:1px solid #e3cfa6;border-radius:10px;overflow:hidden;rotate:-1.2deg;box-shadow:0 8px 18px -12px rgba(40,30,10,.5);max-width:360px;margin-left:auto}
.tk-l,.tk-r{display:flex;flex-direction:column;gap:3px;padding:12px 16px}
.tk-l{flex:1}
.tk-r{border-left:2px dashed #e3cfa6;align-items:flex-end;background:#fdeed2}
.tk-small{font:600 10px/1.2 var(--sc-font-text);letter-spacing:.1em;color:#8a7a5a}
.tk-route{font:600 20px/1.2 var(--sc-font-text);color:#1d3366}
.tk-time{font:500 24px/1 var(--sc-font-display);color:#a32f25}

/* phones: one page at a time, slightly tighter type */
.book.is-mobile .face{padding:30px 30px 44px;font-size:15.5px}
.book.is-mobile .face.note{padding:40px 34px}
.book.is-mobile .pg-title{font-size:29px}
.book.is-mobile .ink-note{font-size:21px}
.book.is-mobile .day-grid{grid-template-columns:44% 1fr;gap:14px}
.book.is-mobile .day-stats dd{font-size:26px}
.book.is-mobile .id-grid{gap:18px}
.book.is-mobile .id-data dd{font-size:15px}
.book.is-mobile .id-data{gap:10px}
.book.is-mobile .mrz{font-size:9px}
.book.is-mobile .boxes{gap:10px}
.book.is-mobile .pstamp.big{width:190px}
.book.is-mobile .face.collage .taped{width:72%}
.book.is-mobile .collage .c1{left:3%}.book.is-mobile .collage .c2{right:2%}.book.is-mobile .collage .c3{left:6%}

/* ---------- hint and ending ---------- */
.fb-hint{position:absolute;left:50%;bottom:18px;transform:translate(-50%,8px);margin:0;padding:.5rem 1rem;border-radius:999px;background:color-mix(in oklab,var(--paper) 88%,transparent);font-size:.88rem;color:var(--sc-ink-soft);opacity:0;transition:opacity 300ms var(--sc-ease-out),transform 300ms var(--sc-ease-out);pointer-events:none;z-index:6}
.fb-hint.on{opacity:1;transform:translate(-50%,0)}
.fb-end{position:absolute;left:50%;bottom:clamp(28px,8vh,80px);transform:translate(-50%,16px);text-align:center;opacity:0;visibility:hidden;transition:opacity 400ms var(--sc-ease-out),transform 400ms var(--sc-ease-out),visibility 0s 400ms;z-index:6;background:var(--paper);box-shadow:0 0 16px 12px var(--paper);border-radius:18px;width:max-content;max-width:92vw}
.fb-end.on{opacity:1;visibility:visible;transform:translate(-50%,0);transition:opacity 400ms var(--sc-ease-out),transform 400ms var(--sc-ease-out)}
.fb-end-title{font:400 clamp(1.6rem,1.2rem + 1.4vw,2.4rem)/1.1 var(--sc-font-display);margin:0 0 .4rem;color:var(--sc-ink)}
.fb-end .links{justify-content:center;margin:0}
.pp-foot{max-width:1180px;margin:0 auto}

/* ---------- without JavaScript: the pages one after another ---------- */
html:not(.bookmode) .flipbook{display:none}
html:not(.bookmode) .faces{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,520px),1fr));gap:2rem;max-width:1180px;margin:0 auto;padding:6rem var(--sc-gutter) 4rem;position:relative;z-index:1}
html:not(.bookmode) .faces>*{position:relative;min-height:640px;border-radius:10px}
html:not(.bookmode) .pstamp{opacity:1;transform:rotate(var(--rot))}
html:not(.bookmode) .mm-day{stroke-dashoffset:0}
html:not(.bookmode) .face.collage .taped{position:relative;left:auto;right:auto;top:auto;margin:0 0 1rem}

@media (max-width:760px){
  .desk{grid-template-columns:1fr;align-content:start;padding-top:84px;gap:1.6rem}
  .booklet-slot{width:100%}
  .opening-copy h1{font-size:2.2rem}
  .opening-copy .sc-body{font-size:.95rem}
}
@media (max-width:760px) and (max-height:760px){.opening-copy .sc-body{display:none}}
@media (max-width:760px){.fb-hint{display:none}}
.mhint{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);margin:0;padding:.35rem .9rem;border-radius:999px;background:rgba(29,42,68,.82);color:#f6f1e3;font-size:.8rem;white-space:nowrap;opacity:0;transition:opacity 300ms;pointer-events:none;z-index:7}
.mhint.on{opacity:1}
.cue-touch{display:none}
@media (hover:none) and (pointer:coarse){.cue-touch{display:inline}.cue-mouse{display:none}}
@media (prefers-reduced-motion:reduce){
  .pstamp{opacity:1;transform:rotate(var(--rot))}
  .pstamp.stamped{animation:none}
  .mm-day{stroke-dashoffset:0;transition:none}
}