/* Passage — the look of a book's inside cover: manila endpaper, library ink,
   date-due slips, customs stamps.

   Logical properties throughout, because this has to hold up in Arabic
   as well as English. */

:root {
  --paper:    #E4E0D5;
  --paper-hi: #EFEDE6;
  --card:     #F3F1EA;
  --ink:      #191C24;
  --ink-2:    #4A4F5C;   /* 7.4:1 on paper */
  --ink-3:    #5F5C4E;   /* 5.9:1 — the smallest text we set */
  --ink-4:    #8B8878;   /* rules and dividers only, never text */
  --rule:     #C6C1B1;
  --violet:   #55338A;   /* 7.1:1 on paper */
  --violet-2: #6E4BA8;
  --red:      #9A3325;
  --green:    #2F5D3F;

  --display: 'Archivo', system-ui, sans-serif;
  --body:    'Newsreader', Georgia, serif;
  --stamp:   'Courier Prime', 'Courier New', monospace;

  --gap: clamp(1.25rem, 4vw, 2.5rem);
  --tap: 44px;
  --blend: multiply;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:    #16181D;
    --paper-hi: #1E2128;
    --card:     #22262E;
    --ink:      #E6E3D9;
    --ink-2:    #ADA99B;
    --ink-3:    #97927F;
    --ink-4:    #5A5749;
    --rule:     #3A3E48;
    --violet:   #B79CE8;
    --violet-2: #CBB6F5;
    --red:      #E58A78;
    --green:    #86C79B;
    --blend: screen;              /* multiply is invisible on a dark ground */
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;             /* rotated stamps must never scroll the page sideways */
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  background-image: repeating-linear-gradient(0deg, rgba(128,128,128,.045) 0 1px, transparent 1px 3px);
  color: var(--ink);
  font-family: var(--body);
  font-size: 18px;
  line-height: 1.62;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--violet); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 2px; }

img { max-width: 100%; display: block; }

.skip-link {
  position: absolute; inset-inline-start: -9999px; top: 0; z-index: 100;
  background: var(--ink); color: var(--paper); padding: .8rem 1.2rem;
  font-family: var(--display); font-size: .8rem;
}
.skip-link:focus { inset-inline-start: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}

/* ---- type ---- */
.label, .eyebrow {
  font-family: var(--display); font-size: .7rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3);
}

h1, h2, h3 {
  font-family: var(--display); font-weight: 700; letter-spacing: -.02em;
  line-height: 1.1; margin: 0 0 .5em; text-wrap: balance;
}
h1 { font-size: clamp(2rem, 5.5vw, 3.5rem); }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); }
h3 { font-size: 1.1rem; letter-spacing: 0; }

p { margin: 0 0 1em; text-wrap: pretty; }

/* ---- masthead ---- */
.masthead {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem 1.5rem; flex-wrap: wrap;
  padding: 1rem var(--gap);
  border-block-end: 1px solid var(--ink);
}
.wordmark { text-decoration: none; color: inherit; display: flex; align-items: baseline; gap: .7rem; flex-wrap: wrap; }
.wordmark-name {
  font-family: var(--display); font-weight: 700; font-size: 1.3rem;
  letter-spacing: .04em; text-transform: uppercase;
}
.wordmark-tag { font-family: var(--stamp); font-size: .72rem; color: var(--ink-3); }

.masthead-nav { display: flex; gap: .35rem 1rem; align-items: center; flex-wrap: wrap; }
.masthead-nav a {
  font-family: var(--display); font-size: .72rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  color: var(--ink-2); padding: .55rem 0; min-height: var(--tap);
  display: inline-flex; align-items: center;
}
.masthead-nav a:hover { color: var(--ink); }
.masthead-nav .nav-cta { color: var(--violet); box-shadow: inset 0 -2px 0 var(--violet); }

/* ---- shells ---- */
.wrap    { max-width: 1080px; margin-inline: auto; padding: var(--gap); }
.wrap-sm { max-width: 660px;  margin-inline: auto; padding: var(--gap); }

/* ---- hero ---- */
.hero { padding: clamp(2.25rem, 6vw, 4.5rem) var(--gap) 2rem; max-width: 1080px; margin-inline: auto; }
.hero-lede { font-size: clamp(1.05rem, 2.2vw, 1.28rem); max-width: 34em; color: var(--ink-2); font-weight: 300; }
.hero h1 em { font-style: italic; font-family: var(--body); font-weight: 400; }

.stamp-row {
  display: flex; flex-wrap: wrap; align-items: flex-start;
  gap: .55rem .9rem; padding: .6rem 0; overflow: hidden;
}
.hero-stamps { margin: 2rem 0 0; padding-block-start: 1.6rem; border-block-start: 1px solid var(--rule); }

/* ---- the stamp: signature element ---- */
.stamp {
  --angle: 0deg;
  --ink-density: .85;
  display: inline-flex; flex-direction: column; align-items: flex-start; gap: 1px;
  inline-size: 10.5rem;             /* fixed, so a row of stamps lines up */
  min-block-size: 4.6rem;
  padding: .5rem .65rem .45rem;
  border: 2px solid var(--violet);
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px var(--paper), inset 0 0 0 3px var(--violet);
  color: var(--violet);
  font-family: var(--stamp);
  opacity: var(--ink-density);
  transform: rotate(var(--angle));
  mix-blend-mode: var(--blend);
  background: transparent;
  flex: 0 0 auto;
}
.stamp-kind { font-size: .55rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.stamp-where {
  font-size: .92rem; font-weight: 700; letter-spacing: .03em; line-height: 1.12;
  inline-size: 100%; overflow-wrap: anywhere; hyphens: auto;
}
.stamp-when { font-size: .66rem; letter-spacing: .04em; }
.stamp-country {
  font-size: .56rem; letter-spacing: .1em; text-transform: uppercase; opacity: .8;
  inline-size: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.stamp--release  { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--paper), inset 0 0 0 3px var(--ink); color: var(--ink); }
.stamp--sighting { border-style: dashed; box-shadow: none; }
.stamp--home     { border: 4px double var(--red); box-shadow: none; color: var(--red); }

@keyframes press {
  0%   { transform: rotate(var(--angle)) scale(1.45); opacity: 0; }
  55%  { transform: rotate(var(--angle)) scale(.96);  opacity: 1; }
  100% { transform: rotate(var(--angle)) scale(1);    opacity: var(--ink-density); }
}
.stamp--fresh { animation: press .5s cubic-bezier(.2,.8,.3,1) both; }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: var(--tap);
  font-family: var(--display); font-size: .78rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  padding: .8rem 1.4rem;
  border: 2px solid var(--ink); background: var(--ink); color: var(--paper-hi);
  border-radius: 2px; cursor: pointer;
  transition: background .14s ease, border-color .14s ease, transform .1s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { background: var(--violet); border-color: var(--violet); color: var(--paper-hi); }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper-hi); border-color: var(--ink); }
.btn--big { font-size: .92rem; padding: 1.05rem 2rem; inline-size: 100%; }
.btn--small { font-size: .65rem; padding: .5rem .85rem; min-height: 38px; }
.btn[disabled], .btn.is-busy { opacity: .55; cursor: progress; pointer-events: none; }

.btn-row { display: flex; gap: .7rem; flex-wrap: wrap; margin: 1.4rem 0; }

.spinner {
  inline-size: 1em; block-size: 1em;
  border: 2px solid currentColor; border-top-color: transparent;
  border-radius: 50%; animation: spin .7s linear infinite; display: none;
}
.is-busy .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- forms ---- */
.field { margin: 0 0 1.35rem; }
.field label {
  display: block; font-family: var(--display); font-size: .7rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); margin-block-end: .4rem;
}
.field .hint { font-size: .84rem; color: var(--ink-3); margin: .35rem 0 0; font-family: var(--body); }

input[type=text], input[type=email], input[type=password],
input[type=number], input[type=search], textarea, select {
  inline-size: 100%;
  font-family: var(--body);
  font-size: 16px;                  /* anything smaller makes iOS zoom the page */
  min-height: var(--tap);
  padding: .7rem .8rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-block-end: 2px solid var(--ink-2);
  border-radius: 2px;
  color: var(--ink);
}
textarea { min-height: 7rem; resize: vertical; line-height: 1.55; }
input:focus, textarea:focus, select:focus {
  border-block-end-color: var(--violet); outline: 2px solid var(--violet); outline-offset: 1px;
}
input[type=file] { font-family: var(--stamp); font-size: .8rem; padding: .6rem; }
.field.has-error input, .field.has-error textarea { border-color: var(--red); border-block-end-color: var(--red); }
.field-error { color: var(--red); font-size: .85rem; margin: .35rem 0 0; font-family: var(--body); }

.check { display: flex; gap: .7rem; align-items: flex-start; margin: 0 0 1rem; }
.check input { margin-block-start: .4rem; inline-size: 20px; block-size: 20px; flex: 0 0 auto; accent-color: var(--violet); }
.check label {
  font-family: var(--body); text-transform: none; letter-spacing: 0;
  font-size: .95rem; color: var(--ink); font-weight: 400; margin: 0; cursor: pointer;
}

fieldset { border: 0; padding: 0; margin: 0; }
[hidden] { display: none !important; }

.notice {
  border-inline-start: 3px solid var(--violet);
  background: var(--card); padding: .9rem 1.1rem; margin: 0 0 1.5rem; font-size: .95rem;
}
.notice--bad  { border-inline-start-color: var(--red); }
.notice--good { border-inline-start-color: var(--green); }
.notice p:last-child { margin-bottom: 0; }

/* ---- book journey page ---- */
.book-head { border-block-end: 1px solid var(--ink); padding-block-end: 1.5rem; margin-block-end: 2rem; }
.book-title { margin-block-end: .12em; }
.book-author { font-size: 1.12rem; font-style: italic; color: var(--ink-2); margin: 0 0 1rem; }

.ledger {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin: 1.5rem 0;
}
.ledger > div { background: var(--paper); padding: .85rem 1rem; }
.ledger dt {
  font-family: var(--display); font-size: .62rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 .25rem;
}
.ledger dd { margin: 0; font-family: var(--stamp); font-size: clamp(1.05rem, 3.2vw, 1.35rem); font-weight: 700; }

.milestone {
  font-family: var(--stamp); font-size: .78rem; letter-spacing: .04em; color: var(--red);
  border-block: 1px solid var(--red); padding: .5rem 0; margin: 1.5rem 0; text-transform: uppercase;
}

/* ---- maps ---- */
.map-frame { border: 1px solid var(--ink); background: var(--paper-hi); position: relative; }
#map { height: clamp(300px, 52vh, 520px); }
.leaflet-container { background: #DAD6CA; font-family: var(--body); }
@media (prefers-color-scheme: dark) {
  .leaflet-container { background: #22262E; }
  .leaflet-tile-pane { filter: invert(1) hue-rotate(180deg) brightness(.92) contrast(.9); }
}

/* Leaflet's default popup is a white pill and looks pasted on. Make it ours. */
.leaflet-popup-content-wrapper {
  background: var(--paper-hi); color: var(--ink);
  border: 1px solid var(--ink); border-radius: 2px;
  box-shadow: 3px 3px 0 rgba(0,0,0,.12);
}
.leaflet-popup-content { margin: .7rem .9rem; font-size: .9rem; line-height: 1.45; }
.leaflet-popup-tip { background: var(--paper-hi); }
.leaflet-popup-content-wrapper a { color: var(--violet); }
.leaflet-container a.leaflet-popup-close-button { color: var(--ink-2); }
.leaflet-bar a { background: var(--paper-hi); color: var(--ink); border-color: var(--rule); }
.leaflet-bar a:hover { background: var(--card); color: var(--ink); }
.leaflet-control-attribution { background: rgba(244,241,234,.82) !important; font-size: 10px; }
@media (prefers-color-scheme: dark) {
  .leaflet-control-attribution { background: rgba(22,24,29,.86) !important; color: var(--ink-2); }
  .leaflet-control-attribution a { color: var(--ink-2); }
}

/* the "use two fingers" veil, so a full-width map never traps the page scroll */
.map-veil {
  position: absolute; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
  background: rgba(25,28,36,.42); color: #fff;
  font-family: var(--display); font-size: .8rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; text-align: center;
  padding: 1rem; opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.map-veil.is-on { opacity: 1; }

/* ---- the date-due slip ---- */
.slip { margin: 3rem 0 0; }
.slip-hop {
  display: grid;
  grid-template-columns: minmax(0, 12.5rem) minmax(0, 1fr);
  gap: var(--gap);
  padding: 1.7rem 0;
  border-block-start: 1px solid var(--rule);
}
.slip-hop:first-of-type { border-block-start: 1px solid var(--ink); }
.slip-mark { min-inline-size: 0; }
.slip-seq {
  font-family: var(--stamp); font-size: .7rem; color: var(--ink-3);
  letter-spacing: .1em; display: block; margin-block-end: .6rem;
}
.slip-body { min-inline-size: 0; }
.slip-body p:last-child { margin-bottom: 0; }
.slip-place { font-family: var(--display); font-weight: 600; font-size: 1.05rem; margin: 0 0 .1rem; overflow-wrap: anywhere; }
.slip-holder { font-family: var(--stamp); font-size: .78rem; color: var(--ink-3); margin: 0 0 .9rem; letter-spacing: .03em; }
.slip-note { font-size: 1.04rem; overflow-wrap: anywhere; }
.slip-photo { margin: 1rem 0; border: 1px solid var(--rule); padding: 6px; background: var(--card); max-inline-size: 420px; }
.slip-photo img { inline-size: 100%; height: auto; }
.slip-forward {
  border-inline-start: 2px solid var(--violet);
  padding-block: .3rem; padding-inline-start: 1rem;
  margin: 1rem 0 0; font-style: italic; color: var(--ink-2); overflow-wrap: anywhere;
}
.slip-forward .label { display: block; font-style: normal; margin-block-end: .2rem; }
.slip-leg { font-family: var(--stamp); font-size: .72rem; color: var(--ink-3); margin-block-start: .8rem; letter-spacing: .04em; }

/* ---- atlas ---- */
.atlas-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
  gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin-block-start: 2rem;
}
.atlas-card {
  background: var(--paper); padding: 1.35rem; text-decoration: none; color: inherit;
  display: block; transition: background .15s ease;
}
.atlas-card:hover, .atlas-card:focus-visible { background: var(--card); color: inherit; }
.atlas-card h3 { margin-block-end: .1rem; overflow-wrap: anywhere; }
.atlas-card .by { font-style: italic; color: var(--ink-2); font-size: .9rem; margin: 0 0 .8rem; }
.atlas-meta { font-family: var(--stamp); font-size: .74rem; color: var(--ink-3); letter-spacing: .03em; }
.atlas-card.is-quiet { opacity: .68; }
.atlas-card.is-quiet .atlas-meta { color: var(--red); }

/* ---- empty states: an invitation, not an apology ---- */
.empty {
  border: 1px dashed var(--rule);
  padding: clamp(1.75rem, 5vw, 3rem);
  text-align: center; margin: 2rem 0;
}
.empty h2 { margin-block-end: .4rem; }
.empty p { max-inline-size: 32em; margin-inline: auto; color: var(--ink-2); }
.empty .stamp-row { justify-content: center; margin-block-start: 1.5rem; opacity: .4; }
.empty .btn-row { justify-content: center; }

/* ---- check-in ---- */
.scan { max-width: 560px; margin-inline: auto; padding: var(--gap); }
.scan-hello { text-align: center; padding: 1.25rem 0 .5rem; }
.scan-hello h1 { font-size: clamp(1.7rem, 6.5vw, 2.5rem); }
.scan-hello .book-author { text-align: center; }

.progress { display: flex; gap: 4px; margin: 0 0 1.2rem; list-style: none; padding: 0; }
.progress li { flex: 1; height: 3px; background: var(--rule); transition: background .25s ease; }
.progress li.is-done { background: var(--violet); }

.js-steps .step { display: none; }
.js-steps .step.is-on { display: block; animation: stepIn .28s ease both; }
@keyframes stepIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.step-count { font-family: var(--stamp); font-size: .72rem; color: var(--ink-3); letter-spacing: .1em; margin-block-end: .8rem; }
.pick-wrap { position: relative; margin-block-end: .7rem; }
#pickmap { height: min(320px, 45vh); border: 1px solid var(--ink); }
.pick-state {
  font-family: var(--stamp); font-size: .78rem; text-align: center;
  margin: 0 0 1rem; padding: .55rem; border: 1px dashed var(--rule); color: var(--ink-3);
}
.pick-state.is-set { border-style: solid; border-color: var(--green); color: var(--green); }

.photo-preview { margin: .7rem 0 0; border: 1px solid var(--rule); padding: 5px; background: var(--card); max-inline-size: 220px; }

/* ---- language switcher ---- */
.lang-bar { display: flex; flex-wrap: wrap; gap: .3rem; justify-content: center; margin: 0 0 1.5rem; }
.lang-bar a {
  font-family: var(--display); font-size: .66rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  color: var(--ink-3); border: 1px solid var(--rule);
  padding: .45rem .6rem; min-height: 34px; display: inline-flex; align-items: center; border-radius: 2px;
}
.lang-bar a:hover { color: var(--ink); border-color: var(--ink-2); }
.lang-bar a[aria-current="true"] { color: var(--paper); background: var(--ink); border-color: var(--ink); }

/* ---- offline + install ---- */
.bar-offline {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 900;
  background: var(--ink); color: var(--paper-hi);
  font-family: var(--display); font-size: .74rem; letter-spacing: .05em;
  padding: .8rem 1rem; text-align: center;
  transform: translateY(110%); transition: transform .28s ease;
}
.bar-offline.is-on { transform: none; }

.install-prompt {
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; justify-content: space-between;
  border: 1px solid var(--rule); background: var(--card);
  padding: 1rem 1.2rem; margin: 2rem 0;
}
.install-prompt p { margin: 0; font-size: .92rem; }

/* ---- guide ---- */
.guide-body { max-width: 46em; }
.guide-body h2 { margin-block-start: 2.6rem; padding-block-start: 1.2rem; border-block-start: 1px solid var(--rule); }
.guide-body ul, .guide-body ol { padding-inline-start: 1.25rem; }
.guide-body li { margin-block-end: .5rem; }
.guide-body blockquote {
  margin: 1.5rem 0; padding-inline-start: 1.2rem;
  border-inline-start: 2px solid var(--violet); font-style: italic; color: var(--ink-2);
}
.template {
  font-family: var(--stamp); font-size: .86rem; line-height: 1.7;
  background: var(--card); border: 1px solid var(--rule);
  padding: 1.1rem; white-space: pre-wrap; margin: 1rem 0 1.5rem; overflow-wrap: anywhere;
}

/* ---- printable plate ---- */
.plate {
  width: 88mm; border: 2px solid #000; padding: 7mm 6mm;
  background: #fff; color: #000; margin: 0 auto 8mm; break-inside: avoid;
}
.plate-top { font-family: var(--display); font-weight: 700; font-size: 15pt; line-height: 1.1; margin: 0 0 2mm; }
.plate-sub { font-family: var(--body); font-style: italic; font-size: 10pt; margin: 0 0 4mm; }
.plate-qr { display: flex; gap: 5mm; align-items: center; border-block: 1px solid #000; padding: 4mm 0; }
.plate-qr canvas, .plate-qr img { width: 30mm; height: 30mm; }
.plate-code { font-family: var(--stamp); font-weight: 700; font-size: 13pt; letter-spacing: .12em; margin: 0 0 1mm; }
.plate-url  { font-family: var(--stamp); font-size: 8pt; margin: 0; word-break: break-all; }
.plate-rules { font-family: var(--body); font-size: 8.5pt; line-height: 1.4; margin: 4mm 0 0; }
.plate-langs { font-family: var(--stamp); font-size: 7pt; line-height: 1.45; margin: 3mm 0 0; border-block-start: 1px dashed #666; padding-block-start: 2mm; }

@media print {
  .masthead, .colophon, .noprint, .bar-offline { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; background-image: none; }
  .plate { break-inside: avoid; }
}

/* ---- footer ---- */
.colophon {
  border-block-start: 1px solid var(--ink); margin-block-start: 4rem;
  padding: 2rem var(--gap) 3rem; max-width: 1080px; margin-inline: auto;
}
.colophon-line { font-family: var(--display); font-weight: 600; font-size: .95rem; }
.colophon nav { display: flex; gap: .3rem 1.2rem; flex-wrap: wrap; margin: .8rem 0; }
.colophon nav a {
  font-family: var(--display); font-size: .7rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase; text-decoration: none; color: var(--ink-2);
  min-height: var(--tap); display: inline-flex; align-items: center;
}
.colophon-fine { font-size: .8rem; color: var(--ink-3); max-inline-size: 46em; margin: 1rem 0 0; }

/* ---- responsive ---- */
@media (max-width: 760px) {
  .slip-hop { grid-template-columns: 1fr; gap: 1rem; }
  .masthead { flex-direction: column; align-items: flex-start; gap: .6rem; }
  .stamp { inline-size: 9.5rem; }
}
@media (max-width: 400px) {
  body { font-size: 17px; }
  .stamp { inline-size: calc(50% - .5rem); min-inline-size: 8.5rem; }
  .btn-row .btn { inline-size: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

/* ============================================================
   Immersive layer. Everything here is additive: with JS off, or
   on the plain tier, the page keeps its original static form.
   ============================================================ */

/* ---- scroll reveals ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1);
  will-change: opacity, transform;
}
[data-reveal].is-in { opacity: 1; transform: none; }
[data-motion="off"] [data-reveal] { opacity: 1; transform: none; transition: none; }
/* Never let a reveal hide content if the script fails to run. */
.no-js [data-reveal] { opacity: 1; transform: none; }

/* ---- the pinned journey ---- */
.journey-stage { margin: 2.5rem 0 0; }

.journey-stage.is-cinematic {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}
.journey-stage.is-cinematic .journey-pin {
  position: sticky;
  top: clamp(1rem, 6vh, 4rem);
  align-self: start;
}
.journey-stage.is-cinematic .slip { margin-top: 0; }
.journey-stage.is-cinematic .slip-hop { grid-template-columns: 1fr; gap: .9rem; }

/* the map itself */
.journey-pin { position: relative; }
#journey-map {
  height: clamp(320px, 62vh, 560px);
  border: 1px solid var(--ink);
  background: var(--paper-hi);
}
.journey-stage.is-static #journey-map { height: clamp(300px, 52vh, 520px); }
#journey-map .leaflet-control-zoom { display: none; }

/* the caption sits on the map like a slug line */
.journey-caption {
  position: absolute;
  inset-inline-start: 0;
  bottom: 0;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--paper);
  border: 1px solid var(--ink);
  border-inline-start: 3px solid var(--violet);
  padding: .6rem .85rem;
  margin: 0 0 0 -1px;
  font-family: var(--stamp);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s ease, transform .35s ease;
  max-inline-size: 78%;
}
.journey-caption.is-in { opacity: 1; transform: none; }
.journey-caption .jc-seq   { font-size: .62rem; letter-spacing: .16em; color: var(--ink-3); }
.journey-caption .jc-where { font-size: 1rem; font-weight: 700; letter-spacing: .03em; overflow-wrap: anywhere; }
.journey-caption .jc-when  { font-size: .7rem; color: var(--ink-3); }
.journey-stage.is-static .journey-caption { display: none; }

/* the hop being read is lit; the rest recede */
.journey-stage.is-cinematic .slip-hop {
  opacity: .4;
  transition: opacity .45s ease;
}
.journey-stage.is-cinematic .slip-hop.is-current { opacity: 1; }
[data-motion="off"] .journey-stage.is-cinematic .slip-hop { opacity: 1; }

@media (max-width: 899px) {
  .journey-stage.is-cinematic { grid-template-columns: 1fr; }
  .journey-stage.is-cinematic .journey-pin { position: static; }
  .journey-stage.is-cinematic .slip-hop { opacity: 1; }
}

/* ---- the globe ---- */
.globe-stage { position: relative; margin: 2rem 0; }
/* The globe occupies no space until it is actually rendering, so the 2D map
   below it is never briefly doubled up while three.js downloads. If three.js
   fails, the globe stays at zero height and the map simply remains. */
#globe {
  display: none;
  height: 0;
  overflow: hidden;
  cursor: grab;
  touch-action: pan-y;
  transition: height .5s cubic-bezier(.2,.7,.3,1);
}
[data-rich="on"] #globe { display: block; }
#globe.is-live { height: clamp(420px, 68vh, 640px); }
#globe.is-grabbing { cursor: grabbing; }
#globe canvas { display: block; inline-size: 100%; block-size: 100%; }

/* the 2D map stays until the globe is genuinely rendering */
body.has-globe .globe-fallback { display: none; }
.globe-legend, .globe-hint { display: none; }
body.has-globe .globe-legend { display: flex; }
body.has-globe .globe-hint  { display: block; }

.globe-legend {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  font-family: var(--stamp);
  font-size: .72rem;
  color: var(--ink-3);
  letter-spacing: .04em;
  margin-block-start: .8rem;
}
.globe-legend span { display: inline-flex; align-items: center; gap: .45rem; }
.globe-legend i {
  inline-size: 18px; block-size: 0; border-block-start: 2px solid var(--violet); display: inline-block;
}
.globe-legend .quiet i { border-block-start-style: dashed; border-color: var(--ink-4); }
.globe-hint { font-family: var(--stamp); font-size: .72rem; color: var(--ink-3); margin-block-start: .5rem; }


/* ---- hero sequence on the home page ---- */
[data-motion="on"] .hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(18px);
  animation: riseIn .9s cubic-bezier(.2,.75,.25,1) forwards;
}
[data-motion="on"] .hero-title-line:nth-child(2) { animation-delay: .12s; }
@keyframes riseIn { to { opacity: 1; transform: none; } }

/* ---- page transitions, where the browser supports them ---- */
@media (prefers-reduced-motion: no-preference) {
  @view-transition { navigation: auto; }
}
::view-transition-old(root) { animation: vtOut .18s ease both; }
::view-transition-new(root) { animation: vtIn .28s ease both; }
@keyframes vtOut { to { opacity: 0; } }
@keyframes vtIn  { from { opacity: 0; } }