.parterre-seed {
  position: fixed;
  left: 22px;
  bottom: 21px;
  width: 8px;
  height: 8px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--muted);
  background: transparent;
  opacity: .34;
  cursor: pointer;
  z-index: 40;
  transition: opacity .25s ease, transform .25s ease, background-color .25s ease, border-color .25s ease;
}
.parterre-seed:hover,
.parterre-seed:focus-visible {
  opacity: 1;
  background: var(--aqua);
  border-color: var(--aqua);
  transform: scale(1.4) rotate(45deg);
  outline: none;
}
.parterre-seed.is-planting { animation: parterre-plant .5s ease forwards; }
@keyframes parterre-plant {
  0% { transform: scale(1); }
  40% { transform: scale(2.6) rotate(45deg); background: var(--aqua); border-color: var(--aqua); }
  100% { transform: scale(0) rotate(90deg); opacity: 0; }
}

.parterre-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 45;
}

.parterre-catch {
  position: fixed;
  inset: 0;
  z-index: 46;
  background: transparent;
  cursor: crosshair;
}

.parterre-hud {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 48;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(238, 239, 242, .26);
  background: rgba(31, 31, 51, .62);
  color: var(--muted);
  font-size: .68rem;
  font-weight: 760;
  letter-spacing: .12em;
  text-transform: uppercase;
  pointer-events: none;
  backdrop-filter: blur(4px);
}
.parterre-hud strong {
  color: var(--aqua);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -.02em;
}
.parterre-hud[data-phase="immersed"] { border-color: rgba(0, 252, 241, .42); }

.parterre-exit {
  position: fixed;
  top: 20px;
  left: 24px;
  z-index: 48;
  padding: 7px 12px;
  border: 1px solid rgba(238, 239, 242, .26);
  background: rgba(31, 31, 51, .62);
  color: var(--muted);
  font-size: .66rem;
  font-weight: 740;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: color .18s ease, border-color .18s ease;
}
.parterre-exit:hover { color: var(--aqua); border-color: var(--aqua); }

.parterre-hint {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 48;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: .68rem;
  font-weight: 620;
  letter-spacing: .07em;
  white-space: nowrap;
  pointer-events: none;
}

.parterre-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(20, 20, 34, .82);
  backdrop-filter: blur(6px);
}
.parterre-overlay[hidden] { display: none; }

.parterre-card {
  width: min(420px, 100%);
  padding: clamp(28px, 5vw, 44px);
  border: 1px solid rgba(238, 239, 242, .22);
  background: var(--ink);
  text-align: left;
}
.parterre-eyebrow {
  margin: 0 0 14px;
  color: var(--aqua);
  font-size: .7rem;
  font-weight: 840;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.parterre-card h2 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 780;
  letter-spacing: -.06em;
  line-height: .95;
}
.parterre-card p + p { margin-top: 14px; }
.parterre-card .parterre-score-line,
.parterre-card .parterre-msg {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: .95rem;
  font-weight: 540;
  line-height: 1.5;
}
.parterre-card .parterre-score-line strong { color: var(--snow); font-weight: 780; }

.parterre-buttons { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.parterre-buttons button {
  padding: 11px 16px;
  border: 1px solid rgba(238, 239, 242, .3);
  background: transparent;
  color: var(--snow);
  font-size: .8rem;
  font-weight: 740;
  letter-spacing: .02em;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, transform .18s ease;
}
.parterre-buttons button:hover { border-color: var(--aqua); color: var(--aqua); transform: translateY(-2px); }
.parterre-buttons button.is-primary { border-color: var(--aqua); color: var(--aqua); }

body.parterre-immersed .site-shell { opacity: 0; pointer-events: none; transition: opacity .35s ease; }
body.parterre-immersed::before { opacity: .5; mask-image: none; -webkit-mask-image: none; }

@media (max-width: 719px) {
  .parterre-seed { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .parterre-seed,
  .parterre-seed.is-planting { animation: none; transition: opacity .2s ease; }
}