/* ==========================================================================
   AIREM — Membership kit showroom (pure CSS 3D, driven by js/kit.js)
   ========================================================================== */

.kit {
  --noise-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .16 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --noise-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --leather: #1c1916;
  --suede: #1e1e20;
  --stitch: rgba(216, 206, 190, 0.34);
  --foil: #d9d7d1;
  display: grid;
  gap: 1rem;
}

/* ---------- Tabs ---------- */
.kit-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
.kit-tab {
  display: grid;
  gap: 0.15rem;
  padding: 0.9rem 1.1rem;
  text-align: left;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  cursor: pointer;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s;
}
.kit-tab small { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.kit-tab span { font-weight: 500; font-size: 0.98rem; }
.kit-tab:hover { border-color: var(--text); }
.kit-tab[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }
.kit-tab[aria-selected="true"] small { color: color-mix(in srgb, var(--bg) 65%, transparent); }
@media (max-width: 560px) {
  .kit-tab { padding: 0.7rem 0.75rem; }
  .kit-tab span { font-size: 0.82rem; }
}

.kit-body { display: grid; grid-template-columns: 1fr 360px; gap: 1rem; align-items: stretch; }
@media (max-width: 980px) { .kit-body { grid-template-columns: 1fr; } }

/* ---------- Stage ---------- */
.kit-stage {
  position: relative;
  height: clamp(480px, 50vw, 620px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  color: #f4f4f2;
  background:
    radial-gradient(ellipse 55% 50% at 50% 36%, #2b2b2b 0%, #161616 48%, #0b0b0b 100%);
  cursor: grab;
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
}
.kit-stage.is-dragging { cursor: grabbing; }
.kit-stage:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }

.kit-light {
  position: absolute;
  left: 50%;
  top: -30%;
  width: 70%;
  height: 90%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.14), transparent 65%);
  pointer-events: none;
}
.kit-floor {
  position: absolute;
  left: -50%;
  right: -50%;
  bottom: -12%;
  height: 58%;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 56px 56px;
  transform: perspective(700px) rotateX(64deg);
  transform-origin: 50% 100%;
  mask-image: radial-gradient(ellipse 45% 70% at 50% 100%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 45% 70% at 50% 100%, #000 10%, transparent 75%);
  pointer-events: none;
}
.kit-shadow {
  position: absolute;
  left: 50%;
  bottom: 13%;
  width: min(62%, 460px);
  height: 46px;
  transform: translateX(-50%) scale(var(--shadow-scale, 1));
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.75), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.kit-scene { position: absolute; inset: 0; perspective: 1500px; perspective-origin: 50% 42%; }
.kit-scale { position: absolute; inset: 0; transform-style: preserve-3d; transform: translateY(-3%) scale(calc(var(--scale, 1) * var(--zoom, 1))) translateY(var(--shift, 0px)); }
.kit-object {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx, -14deg)) rotateY(var(--ry, -30deg));
}
.kit-float { position: absolute; left: 0; top: 0; transform-style: preserve-3d; transform: translate3d(0, var(--float, 0px), 0); }
.kit-object.is-entering .kit-float { animation: kit-enter 1s var(--ease); }
@keyframes kit-enter {
  from { transform: translate3d(0, 70px, -120px) rotateX(24deg); }
}

/* ---------- HUD ---------- */
.kit-hud {
  position: absolute;
  left: 1rem;
  right: 1rem;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  pointer-events: none;
}
.kit-hud > * { pointer-events: auto; }
.kit-hud-top { top: 1rem; }
.kit-hud-bottom { bottom: 1rem; }
.kit-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}
.kit-chip i { width: 6px; height: 6px; border-radius: 50%; background: #f4f4f2; animation: kit-blink 2s ease-in-out infinite; }
@keyframes kit-blink { 50% { opacity: 0.25; } }
.kit-views {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(20, 20, 20, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.kit-views button {
  height: 32px;
  padding: 0 0.85rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.25s, color 0.25s;
}
.kit-views button:hover { color: #fff; }
.kit-views button[aria-pressed="true"] { background: #f4f4f2; color: #0b0b0b; }
.kit-action {
  height: 42px;
  padding: 0 1.2rem;
  border: 0;
  border-radius: 999px;
  background: #f4f4f2;
  color: #0b0b0b;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.2s;
}
.kit-action:hover { background: #fff; }
.kit-action:active { transform: scale(0.97); }
@media (max-width: 560px) {
  .kit-views button { padding: 0 0.6rem; font-size: 0.74rem; }
  .kit-hint { display: none; }
  .kit-hud-bottom { justify-content: center; }
}

/* ---------- Details panel ---------- */
.kit-panels {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: clamp(1.4rem, 3vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.kit-panel { display: grid; gap: 1rem; }
.kit-panel h3 { font-size: 1.45rem; letter-spacing: -0.02em; }
.kit-panel > p { margin: 0; color: var(--text-2); font-size: 0.95rem; }
.kit-specs { margin: 0; border-top: 1px solid var(--line); }
.kit-specs > div { display: grid; grid-template-columns: 104px 1fr; gap: 1rem; padding: 0.7rem 0; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.kit-specs dt { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); padding-top: 0.2rem; }
.kit-specs dd { margin: 0; }
.kit-swatches { display: flex; gap: 0.5rem; margin-top: 0.55rem; }
.kit-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--sw);
  cursor: pointer;
  transition: transform 0.3s var(--ease);
}
.kit-swatch:hover { transform: scale(1.1); }
.kit-swatch[aria-pressed="true"] { outline: 2px solid var(--text); outline-offset: 2px; }
.kit-note { margin: auto 0 0; font-size: 0.78rem; color: var(--muted); }

.tier-kit-link { display: inline-flex; align-items: center; gap: 0.4rem; margin-top: -0.25rem; font-size: 0.86rem; font-weight: 500; opacity: 0.8; transition: opacity 0.2s; }
.tier-kit-link:hover { opacity: 1; }
.tier-kit-link svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.tier-kit-link:hover svg { transform: translateX(3px); }

/* ===== OBJECTS ===== */

/* ---------- Generic 3D card: faces + stacked layers for real thickness ---------- */
.c3d {
  --cw: 320px;
  --ch: 202px;
  --cr: 14px;
  --thick: 3px;
  --edge: #d8d8d4;
  position: absolute;
  left: 0;
  top: 0;
  width: var(--cw);
  height: var(--ch);
  margin: calc(var(--ch) / -2) 0 0 calc(var(--cw) / -2);
  transform-style: preserve-3d;
  transition: transform 1s var(--ease);
}
.c3d-layer,
.c3d-face { position: absolute; inset: 0; border-radius: var(--cr); }
.c3d-layer { background: var(--edge); }
.c3d-face {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px 22px;
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.c3d-front { transform: translateZ(calc(var(--thick) / 2 + 0.5px)); }
.c3d-back { transform: rotateY(180deg) translateZ(calc(var(--thick) / 2 + 0.5px)); }
.c3d-face::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 36%, rgba(255, 255, 255, var(--glare, 0.16)) 48%, transparent 60%);
  background-size: 260% 100%;
  background-position: var(--sheen, 50%) 0;
}

.cf-row { position: relative; z-index: 1; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.cf-bottom { align-items: flex-end; }
.cf-mid { position: relative; z-index: 1; display: flex; align-items: center; flex: 1; }
.cf-logo { display: block; height: 17px; }
.cf-logo svg,
.deboss svg,
.cb-mark svg,
.cm-mark svg,
.cb-code svg { display: block; width: auto; height: 100%; }
.cf-tier { padding-top: 3px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase; opacity: 0.7; }
.cf-field { display: grid; gap: 3px; }
.cf-field small { font-family: var(--font-mono); font-size: 6.5px; letter-spacing: 0.16em; text-transform: uppercase; opacity: 0.55; }
.cf-field b { font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.cf-name b { font-family: var(--font-sans); font-size: 13px; letter-spacing: 0.02em; text-transform: none; }
.cb-band { position: absolute; left: 0; right: 0; top: 22px; height: 34px; }
.cb-text { margin: 0; max-width: 190px; font-size: 7.5px; line-height: 1.55; opacity: 0.62; }
.cb-code { width: 50px; height: 50px; flex-shrink: 0; }
.cb-url { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.14em; opacity: 0.7; }
.cb-mark { display: block; width: 14px; height: 15px; }

/* Student — simple white card */
.card-student { --edge: #d6d6d2; --thick: 3px; }
.card-student .c3d-face { color: #111; background-color: #f2f2ef; background-image: var(--noise-dark), linear-gradient(140deg, #fbfbf9, #e9e9e5); }
.cs-pattern { width: 150px; height: 44px; margin-left: auto; opacity: 0.35; }

/* Professional — matte black with silver foil */
/* Professional colorways — set data-color on the professional object */
.kit-object[data-kit-object="professional"] { --pro-card: #0e0e0f; --pro-edge: #242424; --pro-ink: #ecebe7; }
.kit-object[data-color="slate"] { --leather: #2f3237; --stitch: rgba(210, 214, 220, 0.34); --pro-card: #2a2d32; --pro-edge: #3a3e44; --foil: #dfe2e6; }
.kit-object[data-color="cognac"] { --leather: #573823; --stitch: rgba(240, 218, 186, 0.42); --pro-card: #17120e; --pro-edge: #2b2119; --foil: #dcc6a2; }
.card-pro { --edge: var(--pro-edge); --thick: 4px; }
.card-pro .c3d-face {
  color: var(--pro-ink);
  background-color: var(--pro-card);
  transition: background-color 0.6s;
  background-image:
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 7px),
    radial-gradient(120% 90% at 85% 0%, rgba(255, 255, 255, 0.1), transparent 55%);
}
.card-pro .cf-logo,
.card-pro .cb-mark { color: var(--foil); }
.card-pro .c3d-back { padding-top: 46px; }
.card-pro .cb-band { left: 22px; right: 22px; top: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--foil), transparent); opacity: 0.55; }
.cf-chip { position: relative; width: 40px; height: 30px; border-radius: 6px; background: linear-gradient(135deg, #8e8d88, #e6e5e0 45%, #9d9c97 70%, #d6d5d0); box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.25); }
.cf-chip::before { content: ""; position: absolute; inset: 8px 0; border-block: 1px solid rgba(0, 0, 0, 0.28); }
.cf-chip::after { content: ""; position: absolute; inset: 0 14px; border-inline: 1px solid rgba(0, 0, 0, 0.28); }

/* Institutional — brushed metal, three minimal finishes */
.kit-object[data-kit-object="institutional"] { --m-base: #b8b9b7; --m-light: #f1f2f1; --m-dark: #767877; --m-ink: rgba(22, 22, 22, 0.74); --m-engrave: rgba(255, 255, 255, 0.45); }
.kit-object[data-metal="graphite"] { --m-base: #2c2d2f; --m-light: #6a6d71; --m-dark: #141516; --m-ink: rgba(255, 255, 255, 0.8); --m-engrave: rgba(0, 0, 0, 0.6); }
.kit-object[data-metal="champagne"] { --m-base: #c9bda6; --m-light: #f3ecdc; --m-dark: #8a7f6c; --m-ink: rgba(35, 28, 16, 0.74); --m-engrave: rgba(255, 255, 255, 0.45); }
.card-metal { --edge: var(--m-dark); --thick: 5px; --cr: 13px; }
.card-metal .c3d-face {
  color: var(--m-ink);
  text-shadow: 0 1px 0 var(--m-engrave);
  background-color: var(--m-base);
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.07) 0 1px, rgba(0, 0, 0, 0.05) 1px 2px, transparent 2px 4px),
    linear-gradient(110deg, var(--m-dark) 0%, var(--m-base) 26%, var(--m-light) 46%, var(--m-base) 62%, var(--m-dark) 100%);
  background-size: 100% 100%, 280% 100%;
  background-position: 0 0, var(--sheen, 50%) 0;
  transition: background-color 0.6s;
}
.card-metal .c3d-face::after { --glare: 0.32; }
.card-metal .cf-logo svg,
.card-metal .cb-mark svg { filter: drop-shadow(0 1px 0 var(--m-engrave)); }
.card-metal .c3d-back { padding-top: 30px; }
.cm-mark { position: absolute; right: -16px; bottom: -30px; width: 140px; height: 154px; opacity: 0.12; }
.cm-company { position: relative; z-index: 1; font-size: 12.5px; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; }

/* ---------- Materials ---------- */
.leather {
  background-color: var(--leather);
  background-image:
    var(--noise-light),
    var(--noise-light),
    radial-gradient(130% 100% at 25% 15%, rgba(255, 255, 255, 0.08), transparent 55%),
    radial-gradient(120% 120% at 90% 100%, rgba(0, 0, 0, 0.45), transparent 60%);
  background-size: 120px 120px, 480px 480px, 100% 100%, 100% 100%;
  transition: background-color 0.6s;
}
.suede {
  background-color: var(--suede);
  background-image: var(--noise-light), radial-gradient(100% 100% at 50% 0%, rgba(255, 255, 255, 0.05), transparent 60%);
  background-size: 70px 70px, 100% 100%;
}
.stitch::before { content: ""; position: absolute; inset: 9px; border: 1.3px dashed var(--stitch); border-radius: inherit; pointer-events: none; }
.deboss { display: block; color: rgba(0, 0, 0, 0.62); filter: drop-shadow(0 1px 0 rgba(255, 255, 255, 0.09)); }
.deboss-md { height: 24px; }
.deboss-lg { height: 34px; }
.foil-line { font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--foil); opacity: 0.8; }
.foil-small { font-family: var(--font-mono); font-size: 7px; letter-spacing: 0.28em; text-transform: uppercase; color: var(--foil); opacity: 0.55; }
.foil-rule { width: 56px; height: 1px; background: var(--foil); opacity: 0.35; }

/* ---------- Professional: leather sleeve ---------- */
.sleeve { --sw: 346px; --sh: 228px; --ph: 152px; --sd: 12px; position: absolute; left: 0; top: 0; transform-style: preserve-3d; transition: transform 1s var(--ease); }
.sleeve > .s-part { position: absolute; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.sleeve > .s-back-out,
.sleeve > .s-back-in { width: var(--sw); height: var(--sh); left: calc(var(--sw) / -2); top: calc(var(--sh) / -2); border-radius: 14px; }
.sleeve > .s-back-out { display: grid; place-items: center; transform: translateZ(calc(var(--sd) / -2)) rotateY(180deg); }
.sleeve > .s-back-in { transform: translateZ(calc(var(--sd) / -2 + 1px)); box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6); }
.sleeve > .s-front {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: var(--sw);
  height: var(--ph);
  left: calc(var(--sw) / -2);
  top: calc(var(--sh) / 2 - var(--ph));
  border-radius: 5px 5px 14px 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  transform: translateZ(calc(var(--sd) / 2));
}
.sleeve > .s-side,
.sleeve > .s-bottom { background: color-mix(in srgb, var(--leather) 55%, #000); backface-visibility: visible; -webkit-backface-visibility: visible; }
.sleeve > .s-side { width: var(--sd); height: calc(var(--ph) - 12px); top: calc(var(--sh) / 2 - var(--ph)); transform-origin: 0 50%; transform: translateZ(calc(var(--sd) / -2)) rotateY(-90deg); }
.sleeve > .s-side.l { left: calc(var(--sw) / -2); }
.sleeve > .s-side.r { left: calc(var(--sw) / 2); }
.sleeve > .s-bottom { width: calc(var(--sw) - 24px); height: var(--sd); left: calc(var(--sw) / -2 + 12px); top: calc(var(--sh) / 2); transform-origin: 50% 0; transform: translateZ(calc(var(--sd) / -2)) rotateX(90deg); }
.sleeve .c3d { transform: translate3d(0, 0, 0); }
[data-kit-object="professional"].is-out .sleeve { transform: translateY(58px); }
[data-kit-object="professional"].is-out .sleeve .c3d { transform: translate3d(0, -128px, 0) rotateZ(-3deg); }

/* ---------- Institutional: Italian leather presentation box ---------- */
/* the box lies flat on the table: its lid faces up and its front edge faces the viewer */
.box { --bw: 420px; --bh: 300px; --bd: 60px; position: absolute; left: 0; top: 0; transform-style: preserve-3d; transform: rotateX(90deg); }
.box > .b-part,
.box-lid > .b-part { position: absolute; }
.box > .b-back-out,
.box > .b-back-in { width: var(--bw); height: var(--bh); left: calc(var(--bw) / -2); top: calc(var(--bh) / -2); border-radius: 6px; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.box > .b-back-out { transform: translateZ(calc(var(--bd) / -2)) rotateY(180deg); }
.box > .b-back-in { transform: translateZ(calc(var(--bd) / -2 + 1px)); }
.box > .b-wall { background-color: #15120f; background-image: var(--noise-light); background-size: 120px 120px; box-shadow: inset 0 0 0 999px rgba(0, 0, 0, 0.25); }
.box > .b-l,
.box > .b-r { width: var(--bd); height: var(--bh); top: calc(var(--bh) / -2); transform-origin: 0 50%; transform: translateZ(calc(var(--bd) / -2)) rotateY(-90deg); }
.box > .b-l { left: calc(var(--bw) / -2); }
.box > .b-r { left: calc(var(--bw) / 2); }
.box > .b-t,
.box > .b-b { width: var(--bw); height: var(--bd); left: calc(var(--bw) / -2); transform-origin: 50% 0; transform: translateZ(calc(var(--bd) / -2)) rotateX(90deg); }
.box > .b-t { top: calc(var(--bh) / -2); }
.box > .b-b { top: calc(var(--bh) / 2); }
.box > .b-insert {
  display: grid;
  place-items: center;
  width: calc(var(--bw) - 22px);
  height: calc(var(--bh) - 22px);
  left: calc((var(--bw) - 22px) / -2);
  top: calc((var(--bh) - 22px) / -2);
  border-radius: 4px;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.55);
  transform: translateZ(calc(var(--bd) / -2 + 20px));
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.b-insert .foil-small { position: absolute; left: 0; right: 0; bottom: 8px; text-align: center; }

/* leather sleeve resting in the box: it rises when the lid opens; on "take out" it first stands
   upright in the box (like the professional kit), then the card slides out of it.
   Closing runs in reverse: card back in → sleeve lies down → lid closes. */
.box .sleeve { transform: translate3d(0, 0, calc(var(--bd) / -2 + 26px)) rotateX(0deg); transition: transform 0.9s var(--ease) 1.1s; }
.kit-object.is-open .box .sleeve { transform: translate3d(0, 0, calc(var(--bd) / 2 - 8px)) rotateX(0deg); transition-delay: 0.6s; }
.kit-object.is-out .box .sleeve { transform: translate3d(0, 0, 106px) rotateX(-90deg); transition-duration: 1s; transition-delay: 0s; }
.box .sleeve .c3d { transition: transform 1s var(--ease) 0s; }
.kit-object.is-out .box .sleeve .c3d { transform: translate3d(0, -128px, 0) rotateZ(-3deg); transition-delay: 1s; }

.box-lid {
  --lt: 10px;
  position: absolute;
  width: var(--bw);
  height: var(--bh);
  left: calc(var(--bw) / -2);
  top: calc(var(--bh) / -2);
  transform-style: preserve-3d;
  transform-origin: 50% 0;
  transform: translateZ(calc(var(--bd) / 2)) rotateX(0deg);
  transition: transform 1.3s var(--ease) 2s;
}
/* the box lies flat; the lid is hinged at its back edge and lifts up */
.kit-object.is-open .box-lid { transform: translateZ(calc(var(--bd) / 2)) rotateX(104deg); transition-delay: 0s; }
.box-lid > .l-out,
.box-lid > .l-in { inset: 0; border-radius: 6px; backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.box-lid > .l-out { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; transform: translateZ(var(--lt)); }
/* flipped over the hinge axis so the welcome text reads upright once the lid is raised */
.box-lid > .l-in { display: grid; place-items: center; transform: rotateX(180deg); }
.box-lid > .l-edge { background: #120f0d; }
.box-lid > .l-l,
.box-lid > .l-r { top: 0; width: var(--lt); height: 100%; transform-origin: 0 50%; transform: rotateY(-90deg); }
.box-lid > .l-l { left: 0; }
.box-lid > .l-r { left: 100%; }
.box-lid > .l-t,
.box-lid > .l-b { left: 0; width: 100%; height: var(--lt); transform-origin: 50% 0; transform: rotateX(90deg); }
.box-lid > .l-t { top: 0; }
.box-lid > .l-b { top: 100%; }
.l-note { max-width: 250px; margin: 0; text-align: center; font-size: 12px; line-height: 1.5; letter-spacing: 0.04em; color: var(--foil); opacity: 0.8; }
.l-note .serif { display: block; margin-bottom: 4px; font-size: 24px; letter-spacing: 0; }