/* CiteIntro frame: the canvas, the flipbook caption card, the copy over the
   final field and the pause control. Pairs with intro.js. */
.intro { position: relative; height: clamp(640px, calc(100svh - 68px), 980px); margin: 0 var(--intro-inset, 12px); border-radius: 8px; overflow: hidden; background: var(--ground); isolation: isolate; cursor: default; }
.intro-canvas { position: absolute; inset: 0; z-index: 0; }
.intro-card { position: absolute; left: 0; top: 0; z-index: 2; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 4px 12px; padding: 14px 16px 15px; border-radius: 6px; background: var(--sheet); box-shadow: var(--shadow); opacity: 0; pointer-events: none; will-change: transform; transition: opacity 260ms ease; }
.intro-card.on { opacity: 1; }
.intro-card.out { opacity: 0; transition: opacity 320ms ease; }
.intro-card .plate { grid-row: span 1; }
.intro-card .ic-where { font-size: 12.5px; font-weight: 650; color: var(--ink3); }
.intro-card .ic-head { grid-column: 1 / -1; font-size: clamp(19px, 2vw, 27px); font-weight: 800; letter-spacing: -.03em; line-height: 1.1; color: var(--ink); }
.intro-card .ic-meta { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink3); font-weight: 550; }
.intro-copy { position: absolute; left: 50%; top: 53%; z-index: 3; width: min(780px, calc(100% - 32px)); transform: translate(-50%, -50%); text-align: center; display: flex; flex-direction: column; align-items: center; }
.js .intro-copy { opacity: 0; transform: translate(-50%, calc(-50% + 14px)); transition: opacity 1s cubic-bezier(.33,1,.68,1), transform 1.1s cubic-bezier(.33,1,.68,1); }
.js .intro-copy * { pointer-events: none; }
.intro-done .intro-copy { opacity: 1; transform: translate(-50%, -50%); }
.intro-done .intro-copy * { pointer-events: auto; }
.intro-copy .display { font-size: clamp(42px, 6.3vw, 100px); }
.intro-copy .lede { margin-top: 18px; text-align: center; margin-left: auto; margin-right: auto; }
.intro-copy .stores { justify-content: center; margin-top: 26px; }
.intro-legend { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; margin-top: 20px; color: var(--ink3); font-size: 12.5px; font-weight: 600; }
.intro-legend span { display: inline-flex; align-items: center; gap: 7px; }
.intro-pause { position: absolute; right: 14px; bottom: 14px; z-index: 4; display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 13px 0 11px; border-radius: 99px; background: var(--sheet); color: var(--ink); font-size: 12.5px; font-weight: 700; box-shadow: var(--shadow); }
.intro-pause i { width: 9px; height: 10px; border-left: 2.5px solid currentColor; border-right: 2.5px solid currentColor; }
.intro-pause[aria-pressed="true"] i { width: 0; height: 0; border: 0; border-left: 9px solid currentColor; border-top: 5.5px solid transparent; border-bottom: 5.5px solid transparent; }
.intro-skip { position: absolute; left: 14px; bottom: 14px; z-index: 4; height: 34px; padding: 0 13px; border-radius: 99px; color: var(--ink3); font-size: 12.5px; font-weight: 650; background: color-mix(in srgb, var(--sheet) 70%, transparent); transition: opacity 300ms ease; }
.intro-done .intro-skip { opacity: 0; pointer-events: none; }
@media (max-width: 700px) {
  .intro { height: 800px; --intro-inset: 8px; }
  .intro-copy { top: 54%; }
  .intro-copy .display { font-size: 44px; }
  .intro-copy .lede { font-size: 16px; margin-top: 14px; }
  .intro-card { padding: 11px 12px 12px; }
}