/* Lumenbay — base, chrome, buttons, arrival and the tunnel. Values come from assets/tokens.css only.
 * sections.css carries memberships → footer. Two rooms: dark (deep bay) above, light (bay-foam) below.
 * Default CSS = the finished, readable state (no JS, reduced motion). site.js adds .is-pinned etc. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: var(--s-nav-h); }
body {
    margin: 0; background: var(--s-bg-dark); color: var(--s-text-on-dark);
    font: var(--s-weight-body) var(--s-step-body)/var(--s-leading-body) var(--s-font-body);
    font-synthesis: none;
}
img { display: block; max-width: 100%; height: auto; }
picture { display: contents; }
a { color: inherit; }
h1, h2, h3, p, ol, ul, dl, dd, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: var(--s-focus-w) solid var(--s-focus-dark); outline-offset: var(--s-focus-offset); }
[data-lb-room="light"] :focus-visible { outline-color: var(--s-focus-light); }

.lb-sr {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.lb-skip {
    position: absolute; left: var(--s-gutter); top: var(--s-space-2xs); z-index: var(--s-z-sheet);
    padding: var(--s-space-2xs) var(--s-space-s); background: var(--s-foam-text); color: var(--s-deep-bay);
    border-radius: var(--s-radius-chip); transform: translateY(-200%);
}
.lb-skip:focus-visible { transform: none; }

/* ---- TAG button: a windshield tag, never a stadium -------------------------------------------- */
.lb-tagbtn {
    display: inline-flex; border-radius: var(--s-tag-radius); text-decoration: none;
    -webkit-tap-highlight-color: transparent; cursor: pointer;
    border: 0; padding: 0; background: none;
}
.lb-tagbtn[hidden] { display: none; }
.lb-tagbtn__face {
    position: relative; display: inline-flex; align-items: center; justify-content: center;
    min-height: var(--s-tag-h); width: 100%;
    padding: 0 var(--s-tag-pad-x) 0 calc(var(--s-tag-pad-x) + var(--s-tag-hole));
    border-radius: var(--s-tag-radius);
    background: var(--s-btn-fill); color: var(--s-btn-fill-text);
    font: var(--s-weight-semi) var(--s-step-body)/var(--s-leading-snug) var(--s-font-body);
    white-space: nowrap;
    /* the punched hole is a real hole: the photo or field shows through it */
    -webkit-mask: radial-gradient(circle at calc(var(--s-tag-hole-inset) + var(--s-tag-hole) / 2) 50%, transparent calc(var(--s-tag-hole) / 2), black calc(var(--s-tag-hole) / 2 + 0.5px));
    mask: radial-gradient(circle at calc(var(--s-tag-hole-inset) + var(--s-tag-hole) / 2) 50%, transparent calc(var(--s-tag-hole) / 2), black calc(var(--s-tag-hole) / 2 + 0.5px));
    transition: transform var(--s-dur-fast) var(--s-ease-out), background-color var(--s-dur-fast) var(--s-ease-out);
}
.lb-tagbtn__face::after {
    /* the thin stage-light strip along the top edge */
    content: ""; position: absolute; top: 0; left: var(--s-tag-strip-inset); right: var(--s-tag-strip-inset);
    height: var(--s-tag-strip); border-radius: 0 0 var(--s-tag-strip) var(--s-tag-strip);
    background: var(--s-strip-grad);
}
.lb-tagbtn:hover .lb-tagbtn__face { transform: var(--s-tag-hover); background-color: var(--s-btn-fill-hover); }
.lb-tagbtn:active .lb-tagbtn__face { transform: var(--s-tag-press); }
.lb-tagbtn:focus-visible { outline: var(--s-focus-w) solid var(--s-focus-dark); outline-offset: var(--s-focus-offset); box-shadow: 0 0 0 calc(var(--s-focus-w) * 2 + var(--s-focus-offset)) var(--s-focus-halo); }

.lb-tagbtn--line .lb-tagbtn__face {
    background: var(--s-btn-line-fill); color: var(--s-btn-line);
    box-shadow: inset 0 0 0 var(--s-tag-border) var(--s-btn-line);
}
.lb-tagbtn--line:hover .lb-tagbtn__face { background-color: var(--s-bay-night); }
.lb-tagbtn--line .lb-tagbtn__face::before {
    /* a ring round the punched hole, so the outline reads as one die-cut edge */
    content: ""; position: absolute; top: 50%; left: calc(var(--s-tag-hole-inset) - var(--s-tag-border));
    width: calc(var(--s-tag-hole) + var(--s-tag-border) * 2); height: calc(var(--s-tag-hole) + var(--s-tag-border) * 2);
    border-radius: 50%; box-shadow: inset 0 0 0 var(--s-tag-border) var(--s-btn-line); transform: translateY(-50%);
}
.lb-tagbtn--solid .lb-tagbtn__face { background: var(--s-btn-solid-light); color: var(--s-foam-text); }
.lb-tagbtn--solid:hover .lb-tagbtn__face { background-color: var(--s-deep-bay); }
.lb-tagbtn--solid:focus-visible { outline-color: var(--s-focus-light); box-shadow: none; }
.lb-tagbtn--sm { border-radius: var(--s-tag-radius-sm); }
.lb-tagbtn--sm .lb-tagbtn__face {
    min-height: var(--s-tag-h-sm); border-radius: var(--s-tag-radius-sm);
    padding: 0 var(--s-btn-pad-sm-x) 0 calc(var(--s-btn-pad-sm-x) + var(--s-tag-hole-sm));
    font-size: var(--s-step-small);
    -webkit-mask: radial-gradient(circle at calc(var(--s-tag-hole-inset-sm) + var(--s-tag-hole-sm) / 2) 50%, transparent calc(var(--s-tag-hole-sm) / 2), black calc(var(--s-tag-hole-sm) / 2 + 0.5px));
    mask: radial-gradient(circle at calc(var(--s-tag-hole-inset-sm) + var(--s-tag-hole-sm) / 2) 50%, transparent calc(var(--s-tag-hole-sm) / 2), black calc(var(--s-tag-hole-sm) / 2 + 0.5px));
}

/* ---- Open-now strip ----------------------------------------------------------------------------- */
.lb-open {
    display: inline-flex; align-items: center; gap: var(--s-space-2xs); min-height: var(--s-open-h);
    font: var(--s-weight-semi) var(--s-step-small)/var(--s-leading-snug) var(--s-font-body);
    letter-spacing: var(--s-track-label);
}
.lb-open__dot {
    flex: none; width: var(--s-open-dot); height: var(--s-open-dot); border-radius: 50%;
    background: var(--s-rinse); box-shadow: var(--s-glow-bar) var(--s-rinse);
}
.lb-open.is-closed .lb-open__dot { background: transparent; box-shadow: inset 0 0 0 var(--s-border) var(--s-mist); }

/* ---- Navigation ---------------------------------------------------------------------------------- */
.lb-nav {
    position: sticky; top: 0; z-index: var(--s-z-nav);
    display: flex; align-items: center; gap: var(--s-space-m);
    height: var(--s-nav-h); padding: 0 var(--s-gutter);
    color: var(--s-text-on-dark);
    transition: background-color var(--s-dur-theme) var(--s-ease-soft), color var(--s-dur-theme) var(--s-ease-soft);
}
.lb-nav.is-veiled { background: var(--s-veil-soft); -webkit-backdrop-filter: var(--s-nav-veil-blur); backdrop-filter: var(--s-nav-veil-blur); }
.lb-nav.is-light { background: var(--s-veil-light); color: var(--s-ink); -webkit-backdrop-filter: var(--s-nav-veil-blur); backdrop-filter: var(--s-nav-veil-blur); }   /* blur: the phone's sticky lane bar slides out beneath it */
.lb-nav.is-light :focus-visible { outline-color: var(--s-focus-light); box-shadow: none; }
.lb-nav.is-light .lb-tagbtn__face { background: var(--s-bay); color: var(--s-foam-text); }
.lb-logo {
    display: inline-flex; align-items: baseline; gap: var(--s-space-xs); min-height: var(--s-tap);
    align-self: center; padding-block: var(--s-space-xs); text-decoration: none;
}
.lb-logo__word {
    font: var(--s-weight-display-heavy) var(--s-step-logo)/var(--s-leading-display) var(--s-font-display);
    letter-spacing: var(--s-track-logo);
}
.lb-logo__desc { font: var(--s-weight-body) var(--s-step-label)/var(--s-leading-snug) var(--s-font-body); letter-spacing: var(--s-track-label); color: var(--s-mist); }
.lb-nav.is-light .lb-logo__desc { color: var(--s-ink-muted); }
.lb-nav__links { margin-left: auto; }
.lb-nav__links ul { display: flex; gap: var(--s-nav-link-gap); }
.lb-nav__links a {
    display: inline-flex; align-items: center; min-height: var(--s-tap); text-decoration: none;
    font: var(--s-weight-semi) var(--s-step-small)/var(--s-leading-snug) var(--s-font-body); letter-spacing: var(--s-track-label);
}
.lb-nav__links a:hover { text-decoration: underline; text-underline-offset: var(--s-space-3xs); }
.lb-nav__menu {
    margin-left: auto; min-height: var(--s-tap); padding: 0 var(--s-space-s);
    border: 0; border-radius: var(--s-radius-chip); background: none; cursor: pointer;
    font: var(--s-weight-semi) var(--s-step-small)/var(--s-leading-snug) var(--s-font-body); letter-spacing: var(--s-track-label);
    box-shadow: inset 0 0 0 var(--s-border) currentColor;
}
.lb-nav__menu[hidden] { display: none; }

.lb-sheet {
    width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; padding: var(--s-space-s) var(--s-gutter) var(--s-space-xl);
    border: 0; background: var(--s-deep-bay); color: var(--s-foam-text);
}
.lb-sheet::backdrop { background: var(--s-veil); }
.lb-sheet__top { display: flex; align-items: center; justify-content: space-between; min-height: var(--s-nav-h); }
.lb-sheet__close {
    min-height: var(--s-tap); padding: 0 var(--s-space-s); border: 0; border-radius: var(--s-radius-chip); background: none; cursor: pointer;
    font: var(--s-weight-semi) var(--s-step-small)/var(--s-leading-snug) var(--s-font-body); box-shadow: inset 0 0 0 var(--s-border) currentColor;
}
.lb-sheet__list { margin: var(--s-space-l) 0; counter-reset: lb-sheet; }
.lb-sheet__list a {
    display: flex; align-items: baseline; gap: var(--s-space-s); padding: var(--s-space-xs) 0; text-decoration: none;
    border-bottom: var(--s-hairline) solid var(--s-rule-dark);
    font: var(--s-weight-display) var(--s-step-h3)/var(--s-leading-tight) var(--s-font-display);
}
.lb-sheet__list li { counter-increment: lb-sheet; }
.lb-sheet__list a::before { content: counter(lb-sheet, decimal-leading-zero); font: var(--s-weight-semi) var(--s-step-label)/var(--s-leading-snug) var(--s-font-body); color: var(--s-mist); }

@media (max-width: 1023.98px) {
    .lb-nav__links { display: none; }
    .lb-logo__desc { display: none; }
}
@media (min-width: 1024px) { .lb-nav__menu { display: none; } }

/* ---- Arch light bars ---------------------------------------------------------------------------- */
.lb-bars { display: flex; gap: var(--s-bar-gap); }
.lb-bar {
    flex: 1 1 0; height: var(--s-bar-h); border-radius: var(--s-bar-h); background: var(--s-bar-off);
    transition: background-color var(--s-dur-bar) var(--s-ease-out), box-shadow var(--s-dur-bar) var(--s-ease-out), opacity var(--s-dur-bar) var(--s-ease-out);
}
.lb-bar.is-on { background: var(--s-bar-light); box-shadow: var(--s-glow-bar) var(--s-bar-light); }
.lb-bar.is-past { opacity: var(--s-bar-dim); box-shadow: none; }

/* ---- 1. Arrival ------------------------------------------------------------------------------------ */
/* One grid; the stack and the foot are display:contents so each piece can be placed per size.
   Desktop: bars · headline · buttons in the open arch, then (flexible space) the lede + open-now strip on
   the foot scrim. Phone: bars · headline · lede in the dark top, buttons + strip over the floor. */
.lb-hero {
    position: relative; isolation: isolate; overflow: hidden;
    display: grid; grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto minmax(0, 1fr) auto auto;
    justify-items: center; row-gap: var(--s-hero-stack-gap);
    margin-top: calc(var(--s-nav-h) * -1);
    padding: calc(var(--s-nav-h) + var(--s-hero-top)) var(--s-gutter) var(--s-space-xs);
    height: calc(100svh - var(--s-ribbon-h)); min-height: var(--s-hero-min);
    color: var(--s-foam-text); text-align: center;
}
.lb-hero__photo { position: absolute; inset: 0; z-index: -2; }
.lb-hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: var(--s-hero-pos); transform-origin: 50% 40%; }
.lb-hero__scrim {
    position: absolute; inset: 0; z-index: -1; pointer-events: none;
    background: var(--s-scrim-foot) bottom / 100% var(--s-scrim-foot-h-hero) no-repeat, var(--s-scrim-hero);
}
.lb-hero__stack, .lb-hero__foot { display: contents; }
.lb-bars--hero { grid-row: 1; width: var(--s-hero-bars-w); }
.lb-bars--hero .lb-bar { transition: none; }   /* GSAP ignites these; a CSS transition would fight it */
.lb-hero__title {
    grid-row: 2;
    font: var(--s-weight-display-light) var(--s-step-hero)/var(--s-leading-display) var(--s-font-display);
    letter-spacing: var(--s-track-hero); text-wrap: balance;
}
.lb-hero__line { display: block; }
.lb-hero__ctas { grid-row: 3; display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-hero-btn-gap); margin-top: var(--s-space-2xs); }
.lb-hero__lede { grid-row: 5; max-width: var(--s-hero-lede-w); font-size: var(--s-step-lede); line-height: var(--s-leading-snug); text-wrap: pretty; }
.lb-hero__status { grid-row: 6; display: flex; }

/* From tablet up the stack sits LEFT in the arch's dark side, on the left-weighted scrim, so the car, the arch
   and the bay window on the right are left unveiled; the lede rides the foot scrim with the open-now strip. */
@media (min-width: 720px) {
    .lb-hero { text-align: left; justify-items: start; }
    .lb-hero__lede { max-width: var(--s-hero-lede-w-wide); }
    .lb-hero__ctas { justify-content: flex-start; }
    .lb-hero__status { margin-top: calc(var(--s-hero-stack-gap) * -1); }
}

@media (max-width: 719.98px) {
    .lb-open { font-size: var(--s-step-label); letter-spacing: 0; }
    .lb-hero { padding-top: calc(var(--s-nav-h) + var(--s-space-xs)); grid-template-rows: auto auto auto minmax(0, 1fr) auto auto; }
    .lb-hero__photo img { object-position: var(--s-hero-pos-phone); }
    .lb-hero__scrim { background: var(--s-scrim-foot) bottom / 100% var(--s-scrim-foot-h) no-repeat, var(--s-scrim-hero-phone); }
    .lb-hero__title { font-size: var(--s-step-hero-phone); }
    .lb-bars--hero { width: var(--s-hero-bars-w-phone); justify-content: space-between; }
    .lb-bars--hero .lb-bar { flex: 0 0 var(--s-dot); height: var(--s-dot); border-radius: 50%; }
    .lb-hero__lede { grid-row: 3; }
    .lb-hero__ctas { grid-row: 5; flex-direction: column; justify-self: stretch; margin-top: 0; }
    .lb-hero__ctas .lb-tagbtn { width: 100%; }
}

/* ---- 2. Through the tunnel --------------------------------------------------------------------- */
.lb-tunnel { background: var(--s-deep-bay); color: var(--s-foam-text); }
.lb-tunnel__pin { display: grid; grid-template-columns: minmax(0, 1fr); }
.lb-tunnel__head {
    display: grid; grid-template-columns: minmax(0, 1fr) var(--s-hero-bars-w) minmax(0, 1fr); align-items: center; gap: var(--s-space-m);
    padding: var(--s-space-l) var(--s-gutter);
}
.lb-tunnel__title { font: var(--s-weight-display) var(--s-step-h3)/var(--s-leading-tight) var(--s-font-display); letter-spacing: var(--s-track-display); }
.lb-tunnel__intro { justify-self: end; max-width: var(--s-measure-narrow); color: var(--s-mist); font-size: var(--s-step-small); text-align: right; }
.lb-tunnel__viewport { grid-row: 2; }
.lb-lane { grid-row: 3; }

/* The track, default = the finished strip: every stage visible, captioned, reading 3:00. */
.lb-track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); }   /* one column per frame, however many stages content.php lists */
.lb-stage { position: relative; }
.lb-stage__fig { display: flex; flex-direction: column; height: 100%; }
.lb-stage__fig img { width: 100%; aspect-ratio: var(--s-stage-ratio); object-fit: cover; }
.lb-stage__fig::before {
    /* the arch light over each frame */
    content: ""; display: block; height: var(--s-bar-h); background: var(--s-bar-light); box-shadow: var(--s-glow-bar) var(--s-bar-light);
    position: relative; z-index: 1;
}
.lb-stage--exit .lb-stage__fig::before { background: var(--s-foam-text); box-shadow: none; }
.lb-stage__cap { display: flex; flex-direction: column; gap: var(--s-space-2xs); padding: var(--s-stage-cap-pad) var(--s-space-s) var(--s-space-l); }
.lb-stage__meta {
    display: flex; justify-content: space-between; gap: var(--s-space-2xs);
    font: var(--s-weight-semi) var(--s-step-label)/var(--s-leading-snug) var(--s-font-body); letter-spacing: var(--s-track-label); color: var(--s-mist);
}
.lb-stage__at { color: var(--s-foam-text); }
.lb-stage__name { font: var(--s-weight-display) var(--s-step-h3)/var(--s-leading-tight) var(--s-font-display); letter-spacing: var(--s-track-display); }
.lb-stage__note { font-size: var(--s-step-small); color: var(--s-mist); line-height: var(--s-leading-body); }

/* The lane band */
.lb-lane {
    display: grid; grid-template-columns: var(--s-lane-cols); align-items: end; gap: var(--s-space-s) var(--s-space-l);
    padding: var(--s-space-m) var(--s-gutter) var(--s-space-m);
    background: var(--s-bay-night); color: var(--s-foam-text);
}
.lb-lane__road { grid-column: 1 / -1; position: relative; height: var(--s-lane-track-h); }
.lb-lane__dash, .lb-lane__progress {
    position: absolute; left: 0; right: 0; top: 50%; height: var(--s-lane-tick); transform: translateY(-50%);
}
.lb-lane__dash { background: repeating-linear-gradient(90deg, var(--s-dash) 0 var(--s-lane-dash), transparent var(--s-lane-dash) calc(var(--s-lane-dash) + var(--s-lane-dash-gap))); }
.lb-lane__progress {
    height: var(--s-lane-progress-h); background: var(--s-strip-grad);
    transform-origin: 0 50%; transform: translateY(-50%) scaleX(var(--s-lane-p));
}
.lb-lane__tick {
    position: absolute; top: 0; bottom: 0; width: var(--s-lane-tick); background: var(--s-dash);
    left: calc(var(--s-tick-at) * (100% - var(--s-lane-tick)));
}
.lb-lane__marker {
    position: absolute; top: 50%; width: var(--s-marker-w);
    left: calc(var(--s-lane-p) * (100% - var(--s-marker-w)));
    transform: translateY(-62%);
    color: var(--s-foam-text); filter: drop-shadow(0 0 var(--s-glow-r) var(--s-bar-light));
}
.lb-veh { display: block; width: 100%; height: auto; }
.lb-veh__body { fill: currentColor; }
.lb-veh__wheel { fill: var(--s-bay-night); stroke: currentColor; stroke-width: 2; }
.lb-lane__count { font: var(--s-weight-semi) var(--s-step-label)/var(--s-leading-snug) var(--s-font-body); letter-spacing: var(--s-track-label); color: var(--s-mist); }
.lb-lane__name { font: var(--s-weight-display) var(--s-step-stage)/var(--s-leading-display) var(--s-font-display); letter-spacing: var(--s-track-display); }
.lb-lane__note { color: var(--s-mist); max-width: var(--s-measure); font-size: var(--s-step-body); }
/* The arch bars are the lane's progress readout (no elapsed clock): overhead on desktop, in the sticky bar below. */
.lb-bars--tunnel .lb-bar { height: var(--s-bar-h-tunnel); border-radius: var(--s-bar-h-tunnel); }
.lb-bars--lane { display: none; }

/* Pinned (desktop, motion allowed; site.js adds .is-pinned): one continuous horizontal strip. */
.lb-tunnel.is-pinned .lb-tunnel__pin {
    height: 100svh; grid-template-rows: auto minmax(0, 1fr) auto;
    padding-top: var(--s-nav-h); overflow: hidden;
}
.lb-tunnel.is-pinned .lb-tunnel__head { padding-block: var(--s-space-xs); }
.lb-tunnel.is-pinned .lb-tunnel__viewport { overflow: hidden; min-height: 0; }
.lb-tunnel.is-pinned .lb-track { display: flex; height: 100%; width: max-content; will-change: transform; }
.lb-tunnel.is-pinned .lb-stage { height: 100%; flex: none; }
.lb-tunnel.is-pinned .lb-stage__fig { height: 100%; aspect-ratio: var(--s-stage-ratio); }
.lb-tunnel.is-pinned .lb-stage__fig::before { display: none; }
.lb-tunnel.is-pinned .lb-stage__fig img { height: 100%; aspect-ratio: auto; }
/* Every frame carries its own arch: the light bar across its top, the arch number, name and what it does on a
   scrim at its foot (round 5: no frame of the strip is ever an unlabelled photo). The frame the car is in
   reads at full strength; the others sit back, so the strip reads as a sequence, not a gallery. */
.lb-tunnel.is-pinned .lb-stage__fig { position: relative; }
.lb-tunnel.is-pinned .lb-stage__fig::before {
    display: block; position: absolute; left: 0; right: 0; top: 0; z-index: 2;
}
.lb-tunnel.is-pinned .lb-stage__fig::after {
    content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
    background: var(--s-frame-scrim);
}
.lb-tunnel.is-pinned .lb-stage__cap {
    position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
    padding: var(--s-space-xl) var(--s-space-l) var(--s-space-l); gap: var(--s-space-xs);
}
.lb-tunnel.is-pinned .lb-stage__meta { justify-content: flex-start; gap: var(--s-space-s); color: var(--s-foam-text); }
.lb-tunnel.is-pinned .lb-stage__at { padding: 0 var(--s-space-xs); border-radius: var(--s-radius-chip); background: var(--s-bar-light); color: var(--s-bay-night); }
.lb-tunnel.is-pinned .lb-stage--exit .lb-stage__at { background: var(--s-foam-text); }
.lb-tunnel.is-pinned .lb-stage__name { font-size: var(--s-step-stage); }
.lb-tunnel.is-pinned .lb-stage__note { max-width: var(--s-measure-narrow); color: var(--s-foam-text); font-size: var(--s-step-lede); line-height: var(--s-leading-body); }
.lb-tunnel.is-pinned .lb-stage__note + .lb-stage__note { display: none; }
.lb-tunnel.is-pinned .lb-stage__fig img, .lb-tunnel.is-pinned .lb-stage__cap { transition: opacity var(--s-dur-stage-dim) var(--s-ease-out); }
.lb-tunnel.is-pinned .lb-stage:not(.is-current) .lb-stage__fig img { opacity: var(--s-frame-dim); }
.lb-tunnel.is-pinned .lb-stage:not(.is-current) .lb-stage__cap { opacity: var(--s-frame-cap-dim); }
/* With every frame captioned, the lane below is the road alone: the car, the arches as ticks, the count. */
.lb-tunnel.is-pinned .lb-lane { grid-template-columns: minmax(0, 1fr) auto; padding-block: var(--s-space-s); }
.lb-tunnel.is-pinned .lb-lane__road { grid-column: 1; }
.lb-tunnel.is-pinned .lb-lane__now { grid-column: 2; grid-row: 1; }
.lb-tunnel.is-pinned .lb-lane__name, .lb-tunnel.is-pinned .lb-lane__note { display: none; }

/* Stacked (below desktop): photo, then its caption; the lane rides along as a sticky bar. */
@media (max-width: 1023.98px) {
    .lb-tunnel__head { grid-template-columns: minmax(0, 1fr); gap: var(--s-space-s); padding-top: var(--s-section); }
    .lb-tunnel__intro { justify-self: start; text-align: left; }
    .lb-bars--tunnel { display: none; }
    .lb-tunnel__viewport { grid-row: auto; }
    .lb-lane {
        grid-row: auto; position: sticky; top: var(--s-nav-h); z-index: var(--s-z-lane);
        grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--s-space-2xs) var(--s-space-s);
        padding: var(--s-space-xs) var(--s-gutter); background: var(--s-bay-night);
        /* opaque, and the ground runs on past the bar's edge so nothing passing beneath shows through */
        box-shadow: 0 var(--s-lane-cover) 0 var(--s-bay-night);
    }
    .lb-bars--lane { display: flex; width: var(--s-lane-bars-w-phone); }
    .lb-stage { scroll-margin-top: calc(var(--s-lane-live-h) + var(--s-lane-cover)); }   /* html's scroll-padding-top already clears the nav */
    .lb-lane__road { display: none; }   /* r6: one progress device per bar: the four arch bars, as on desktop (the car-on-rail is desktop-only) */
    .lb-lane__note { display: none; }
    .lb-lane__now { display: flex; align-items: baseline; gap: var(--s-space-xs); min-width: 0; }
    .lb-lane__name { font-size: var(--s-step-h3); }
    .lb-track { grid-auto-flow: row; grid-template-columns: minmax(0, 1fr); }
    .lb-stage__cap { padding: var(--s-space-m) var(--s-gutter) var(--s-space-xl); gap: var(--s-space-xs); }
    .lb-stage__name { font-size: var(--s-step-stage); }
    .lb-stage__note { font-size: var(--s-step-body); max-width: var(--s-measure); }
}
@media (max-width: 719.98px) {
    .lb-stage__fig img { aspect-ratio: var(--s-stage-ratio-phone); }
    .lb-lane__count { display: none; }
}
@media (min-width: 1024px) and (max-width: 1279.98px) {
    .lb-track { grid-auto-flow: row; grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition-duration: 0s !important; animation-duration: 0s !important; animation-iteration-count: 1 !important; }
    .lb-lane { position: static; }
    /* the finished strip already captions the exit frame: the lane reads only Complete + every arch lit (no repeat) */
    .lb-lane__name, .lb-lane__note { display: none; }
    .lb-lane__count { display: block; }
}
@media (min-width: 1024px) {
    .lb-tunnel:not(.is-pinned) .lb-lane__name, .lb-tunnel:not(.is-pinned) .lb-lane__note { display: none; }
}