/* The frame every mockup shares: a label bar, the chapter heading, the pinned scene, an end. */
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
.mk-bar { position: fixed; z-index: 20; top: 14px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 14px; padding: 8px 10px 8px 16px; border-radius: 999px; background: rgba(250, 249, 246, 0.86); backdrop-filter: blur(12px); box-shadow: 0 0 0 1px var(--hairline), 0 8px 24px rgba(10, 10, 10, 0.06); font: 500 13px var(--sans); white-space: nowrap; }
.mk-bar b { font-weight: 600; }
.mk-bar nav { display: flex; gap: 4px; }
.mk-bar a { display: grid; place-items: center; min-width: 30px; height: 30px; padding: 0 8px; border-radius: 999px; color: var(--grey-2); font: 500 12px var(--mono); text-decoration: none; }
.mk-bar a[aria-current] { background: var(--ink); color: var(--canvas); }
@media (hover: hover) and (pointer: fine) { .mk-bar a:not([aria-current]):hover { background: var(--canvas-deep); color: var(--ink); } }
.mk-intro { min-height: 70vh; display: grid; align-content: end; gap: 18px; padding: 120px var(--gutter) 8vh; max-width: 1240px; margin: 0 auto; }
.mk-intro .mono { font: 500 12px var(--mono); letter-spacing: 0.04em; text-transform: uppercase; color: var(--grey-2); }
.mk-scene { position: relative; height: 420vh; }
.mk-pin { position: sticky; top: 0; height: 100vh; height: 100dvh; overflow: hidden; }
.mk-end { min-height: 60vh; display: grid; place-items: center; color: var(--grey-2); font: 500 13px var(--mono); }
.mk-tag { font: 500 11px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--grey-2); }
.mk-face { display: inline-block; width: var(--s, 36px); height: var(--s, 36px); flex: none; }
.mk-face .agent-persona { width: 100%; height: 100%; }
.mk-dotface { display: inline-grid; place-items: center; width: var(--s, 36px); height: var(--s, 36px); border-radius: 50%; flex: none; font: 600 11px var(--mono); }
@media (max-width: 700px) { .mk-bar { top: 10px; gap: 8px; padding-left: 12px; font-size: 12px; } .mk-bar span { display: none; } }

/* Header row the second round shares: tag + phase on the left, the clock on the right. */
.mk-top { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.mk-top p { margin: 0; }
.mk-phase { margin-top: 6px !important; font: 600 clamp(22px, 2.3vw, 34px)/1.1 var(--sans); letter-spacing: -0.03em; min-height: 1.1em; }
.mk-clock { display: grid; justify-items: end; gap: 4px; }
.mk-clock b { font: 600 clamp(30px, 3.6vw, 56px)/1 var(--sans); letter-spacing: -0.045em; font-variant-numeric: tabular-nums; }
.mk-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; font: 600 13px var(--sans); white-space: nowrap; }
.mk-pill em { font-style: normal; font-weight: 500; opacity: 0.7; }
.mk-pill.is-us { background: var(--gold); color: var(--ink); }
.mk-pill.is-them { background: #fff; color: var(--grey-1); box-shadow: 0 0 0 1px var(--hairline-strong); }
@media (max-width: 760px) { .mk-top { flex-direction: column; align-items: start; } .mk-clock { justify-items: start; } }
.mk-bar nav { overflow-x: auto; max-width: 62vw; scrollbar-width: none; }