/* ===========================================================
   HEARTH — an isometric village with a living day/night cycle
   Pure CSS 3D. No images. Fredoka + Quicksand.
   =========================================================== */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

:root {
  --ease-soft: cubic-bezier(.33, 1, .68, 1);
  --ease-out: cubic-bezier(.22, .61, .16, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --sky-dur: 2s;

  /* ---------- DAY palette ---------- */
  --page-a: #FBF6EA;
  --page-b: #F1E6CE;
  --sky-a: #CDE3EA;
  --sky-b: #EFE6D3;
  --ink: #3C2E20;
  --ink-soft: #6E5B44;
  --ink-faint: rgba(60, 46, 32, .62);
  --card-bg: #FFFDF8;
  --card-border: rgba(60, 46, 32, .12);
  --card-shadow: rgba(120, 96, 60, .16);

  --grass: #A8BFA0;
  --grass-shade: #90AC87;
  --grass-deep: #7C9C74;
  --hill: #B7CCAE;

  --cream: #F6EFDF;
  --cream-shade: #E4D6B8;
  --sage: #A8BFA0;
  --sage-shade: #8CA582;
  --ochre-wall: #E4B682;
  --ochre-wall-shade: #D9A05B;
  --roof: #6E7B8B;
  --roof-shade: #576474;
  --slate: #6E7B8B;
  --slate-shade: #576474;

  --window-glass: #E7F2F2;
  --window-frame: #4C4034;
  --window-glow: #FFC978;
  --window-glow-soft: rgba(255, 201, 120, 0);
  --door: #7A5B3C;
  --stream-a: #BFE1E8;
  --stream-b: #EAF6EC;
  --lantern-metal: #8A7458;
  --lantern-glass: #EFE4C8;
  --lantern-glow: rgba(255, 201, 120, 0);
  --accent: #D9A05B;
  --star-op: 0;
  --cloud-op: 1;
  --firefly-op: 0;
  --bird-op: 1;
  --smoke-op: .5;
}

html[data-time="night"] {
  --page-a: #171C34;
  --page-b: #1E2748;
  --sky-a: #1B2440;
  --sky-b: #2A3560;
  --ink: #F4ECDD;
  --ink-soft: #C9C2D9;
  --ink-faint: rgba(244, 236, 221, .68);
  --card-bg: #212A4C;
  --card-border: rgba(244, 236, 221, .14);
  --card-shadow: rgba(4, 6, 20, .45);

  --grass: #48586A;
  --grass-shade: #3B4B5C;
  --grass-deep: #2F3D4C;
  --hill: #3C4C63;

  --cream: #B9B6C6;
  --cream-shade: #9793A8;
  --sage: #7C8B9A;
  --sage-shade: #647588;
  --ochre-wall: #8C7360;
  --ochre-wall-shade: #6F5A49;
  --roof: #3B4459;
  --roof-shade: #2A3245;
  --slate: #3B4459;
  --slate-shade: #2A3245;

  --window-glass: #7D91A6;
  --window-frame: #221A2E;
  --window-glow: #FFC978;
  --window-glow-soft: rgba(255, 201, 120, .95);
  --door: #4A3B32;
  --stream-a: #2E4C74;
  --stream-b: #3E6089;
  --lantern-metal: #5C5266;
  --lantern-glass: #FFDCA0;
  --lantern-glow: rgba(255, 201, 120, .9);
  --accent: #FFC978;
  --star-op: 1;
  --cloud-op: .16;
  --firefly-op: 1;
  --bird-op: 0;
  --smoke-op: .82;
}

body {
  font-family: "Quicksand", system-ui, sans-serif;
  background: linear-gradient(180deg, var(--page-a), var(--page-b) 70%);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--sky-dur) var(--ease-in-out), color var(--sky-dur) var(--ease-in-out);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 200;
  opacity: .035; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
}
html[data-time="night"] .grain { opacity: .06; mix-blend-mode: overlay; }

::selection { background: var(--accent); color: var(--page-a); }

/* ---------- headings / rhythm ---------- */
h1, h2, h3 {
  font-family: "Fredoka", system-ui, sans-serif;
  font-weight: 600;
  margin: 0;
  letter-spacing: -.01em;
}

a { color: inherit; }

/* ---------- entrance stagger ---------- */
@keyframes riseIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rise {
  animation: riseIn .8s var(--ease-out) both;
  animation-delay: var(--d, 0s);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-head {
  display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap;
  gap: .4rem 1.2rem;
  max-width: 1180px; margin: 0 auto; padding: clamp(1.3rem, 3vw, 2rem) clamp(1.2rem, 4vw, 2.4rem) .4rem;
}
.brand { display: flex; align-items: center; gap: .55rem; }
.brand-mark { width: 30px; height: 30px; color: var(--accent); flex: none; transition: color var(--sky-dur) var(--ease-in-out); }
.brand-mark .brand-glow { fill: var(--window-glow); }
.brand-word {
  font-family: "Fredoka", sans-serif; font-weight: 700; font-size: 1.4rem;
  letter-spacing: -.01em; color: var(--ink);
}
.head-kicker {
  margin: 0; font-size: .82rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-faint); font-weight: 600;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  max-width: 780px; margin: 0 auto; text-align: center;
  padding: clamp(1.6rem, 5vw, 3rem) clamp(1.2rem, 4vw, 2.4rem) clamp(1rem, 3vw, 1.6rem);
}
.eyebrow {
  font-family: "Fredoka", sans-serif; font-weight: 600; font-size: .95rem;
  color: var(--accent); margin: 0 0 .6rem; letter-spacing: .02em;
  transition: color var(--sky-dur) var(--ease-in-out);
}
.hero-title {
  font-size: clamp(2.1rem, 6vw, 3.6rem); line-height: 1.08; margin: 0 0 1.1rem;
}
.hero-lede {
  font-size: clamp(1rem, 1.6vw, 1.15rem); line-height: 1.65; color: var(--ink-soft);
  margin: 0 auto 1.9rem; max-width: 60ch;
  transition: color var(--sky-dur) var(--ease-in-out);
}

/* ---------- time switch ---------- */
.time-switch-wrap { display: flex; align-items: center; justify-content: center; gap: .8rem; margin-bottom: 1rem; }
.time-label {
  font-family: "Fredoka", sans-serif; font-weight: 600; font-size: .92rem;
  color: var(--ink-faint); transition: color .35s var(--ease-out);
  width: 3.4rem;
}
.time-label[data-side="night"] { text-align: left; }
.time-label[data-side="day"] { text-align: right; }
html[data-time="day"] .time-label[data-side="day"],
html[data-time="night"] .time-label[data-side="night"] { color: var(--ink); }

.time-switch {
  appearance: none; border: none; padding: 0; cursor: pointer; border-radius: 999px;
  background: transparent; display: block;
}
.time-switch:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.switch-track {
  position: relative; display: block; width: 92px; height: 46px; border-radius: 999px;
  background: linear-gradient(160deg, var(--sky-a), var(--sky-b));
  border: 2px solid rgba(255,255,255,.35);
  box-shadow: inset 0 3px 8px rgba(0,0,0,.14), 0 3px 10px rgba(60,46,32,.18);
  overflow: hidden;
  transition: background var(--sky-dur) var(--ease-in-out), border-color var(--sky-dur);
}
.switch-stars {
  position: absolute; inset: 0; opacity: var(--star-op); transition: opacity 1.4s var(--ease-in-out);
  background-image:
    radial-gradient(1.4px 1.4px at 18% 30%, #fff 100%, transparent),
    radial-gradient(1.4px 1.4px at 34% 62%, #fff 100%, transparent),
    radial-gradient(1.2px 1.2px at 60% 25%, #fff 100%, transparent),
    radial-gradient(1.4px 1.4px at 74% 58%, #fff 100%, transparent);
}
.switch-thumb { position: absolute; inset: 0; }
.switch-sun, .switch-moon {
  position: absolute; top: 50%; left: 6px; width: 34px; height: 34px; border-radius: 50%;
  transition: transform var(--sky-dur) var(--ease-in-out), opacity var(--sky-dur) var(--ease-in-out);
}
.switch-sun {
  background: radial-gradient(circle at 35% 30%, #FFEBC0, #F3B454 70%);
  box-shadow: 0 0 14px rgba(243, 180, 84, .7);
  transform: translateY(-50%) translateX(0) rotate(0deg);
  opacity: 1;
}
.switch-moon {
  background: radial-gradient(circle at 65% 35%, #F4F1FA, #C9CBE0 75%);
  box-shadow: 0 0 12px rgba(230, 230, 250, .55);
  transform: translateY(-50%) translateX(-46px) rotate(-40deg);
  opacity: 0;
}
html[data-time="night"] .switch-sun { transform: translateY(80px) translateX(0); opacity: 0; }
html[data-time="night"] .switch-moon { transform: translateY(-50%) translateX(46px) rotate(0deg); opacity: 1; }

.hint { font-size: .86rem; color: var(--ink-faint); max-width: 46ch; margin: 0 auto; line-height: 1.55; transition: color var(--sky-dur); }

/* =========================================================
   STAGE — sky + isometric scene
   ========================================================= */
.stage-section { padding: 0 clamp(.8rem, 3vw, 2rem); }
.stage {
  position: relative; max-width: 1180px; margin: 0 auto;
  height: clamp(430px, 62vw, 660px);
  border-radius: 28px; overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(50, 38, 24, .3), inset 0 0 0 1px rgba(255,255,255,.25);
  isolation: isolate;
}
html[data-time="night"] .stage { box-shadow: 0 30px 70px -18px rgba(2, 4, 16, .6), inset 0 0 0 1px rgba(255,255,255,.06); }

.sky-layer {
  position: absolute; inset: 0; transition: opacity var(--sky-dur) var(--ease-in-out);
}
.sky-day { background: linear-gradient(180deg, #CDE3EA 0%, #DCEAD9 55%, #F1E9D2 100%); opacity: 1; }
.sky-night { background: linear-gradient(180deg, #131A33 0%, #232D57 60%, #384874 100%); opacity: 0; }
html[data-time="night"] .sky-day { opacity: 0; }
html[data-time="night"] .sky-night { opacity: 1; }

.stars {
  position: absolute; inset: 0; opacity: var(--star-op); transition: opacity 1.6s var(--ease-in-out) .2s;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 12%, #fff, transparent),
    radial-gradient(1.4px 1.4px at 18% 22%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 27% 8%, #fff, transparent),
    radial-gradient(1.8px 1.8px at 40% 18%, #fff, transparent),
    radial-gradient(1.3px 1.3px at 52% 6%, #fff, transparent),
    radial-gradient(1.5px 1.5px at 63% 15%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 72% 9%, #fff, transparent),
    radial-gradient(1.7px 1.7px at 85% 20%, #fff, transparent),
    radial-gradient(1.3px 1.3px at 92% 10%, #fff, transparent),
    radial-gradient(1.4px 1.4px at 6% 30%, #fff, transparent),
    radial-gradient(1.2px 1.2px at 48% 28%, #fff, transparent),
    radial-gradient(1.6px 1.6px at 78% 32%, #fff, transparent);
  background-repeat: no-repeat;
}

.hillside {
  position: absolute; left: -10%; right: -10%; bottom: -6%; height: 46%;
  background: radial-gradient(120% 100% at 50% 100%, var(--hill), transparent 72%);
  opacity: .8; transition: background var(--sky-dur) var(--ease-in-out);
}

.clouds { position: absolute; inset: 0; overflow: hidden; opacity: var(--cloud-op); transition: opacity var(--sky-dur) var(--ease-in-out); }
.cloud {
  position: absolute; border-radius: 999px; background: rgba(255,255,255,.8);
  box-shadow: 20px 4px 0 -2px rgba(255,255,255,.7), -20px 6px 0 -4px rgba(255,255,255,.6);
  filter: blur(1px);
}
.cloud.c1 { width: 90px; height: 26px; top: 12%; left: -12%; animation: driftCloud 46s linear infinite; }
.cloud.c2 { width: 60px; height: 18px; top: 22%; left: -30%; animation: driftCloud 60s linear infinite; animation-delay: -20s; }
.cloud.c3 { width: 74px; height: 20px; top: 7%; left: -50%; animation: driftCloud 70s linear infinite; animation-delay: -40s; }
@keyframes driftCloud { to { transform: translateX(145vw); } }

.sky-critters { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.bird {
  position: absolute; width: 16px; height: 8px; opacity: var(--bird-op);
  transition: opacity .6s var(--ease-out);
  animation: flyAcross linear infinite;
}
.bird::before, .bird::after {
  content: ""; position: absolute; top: 50%; width: 9px; height: 9px; border-top: 2px solid var(--ink-faint);
  border-radius: 50% 50% 0 0; transform-origin: 100% 100%;
}
.bird::before { left: 0; transform: rotate(20deg); animation: flap .55s ease-in-out infinite alternate; }
.bird::after { right: 0; transform: rotate(-20deg) scaleX(-1); animation: flap .55s ease-in-out infinite alternate; }
@keyframes flap { from { transform: rotate(20deg) scaleY(1); } to { transform: rotate(46deg) scaleY(.6); } }
@keyframes flyAcross { from { transform: translateX(-8vw) translateY(0); } to { transform: translateX(108vw) translateY(-18px); } }

.firefly {
  position: absolute; width: 5px; height: 5px; border-radius: 50%;
  background: #FFE7A8; box-shadow: 0 0 8px 3px rgba(255, 210, 130, .9);
  opacity: 0; animation: fireflyLife ease-in-out infinite, fireflyDrift ease-in-out infinite;
}
@keyframes fireflyLife { 0%, 100% { opacity: 0; } 15%, 85% { opacity: .95; } 50% { opacity: .45; } }
@keyframes fireflyDrift {
  0% { transform: translate(0,0); }
  25% { transform: translate(14px, -18px); }
  50% { transform: translate(-8px, -30px); }
  75% { transform: translate(-22px, -10px); }
  100% { transform: translate(0,0); }
}

/* =========================================================
   ISOMETRIC SCENE
   ========================================================= */
.scaler {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  transform: scale(var(--stage-scale, .64));
}
.scene {
  position: relative; width: 1040px; height: 720px; flex: none;
  transform-style: preserve-3d;
  transform: rotateX(58deg) rotateZ(-45deg);
}

.ground {
  position: absolute; left: 60px; top: 40px; width: 920px; height: 640px;
  background:
    radial-gradient(120% 120% at 20% 15%, var(--grass) 0%, var(--grass-shade) 62%, var(--grass-deep) 100%);
  border-radius: 46px;
  box-shadow: 0 0 0 10px rgba(255,255,255,.18), 0 40px 60px rgba(30,20,10,.25);
  transition: background var(--sky-dur) var(--ease-in-out);
  overflow: hidden;
}
.stream { position: absolute; inset: 0; width: 100%; height: 100%; }
.stream-path {
  fill: none; stroke: var(--stream-a); stroke-width: 34; stroke-linecap: round;
  transition: stroke var(--sky-dur) var(--ease-in-out);
}
.stream-shine {
  fill: none; stroke: var(--stream-b); stroke-width: 10; stroke-linecap: round;
  stroke-dasharray: 4 26; opacity: .85;
  animation: streamFlow 3.6s linear infinite;
  transition: stroke var(--sky-dur) var(--ease-in-out);
}
@keyframes streamFlow { to { stroke-dashoffset: -60; } }

/* ---------- generic isometric cuboid ---------- */
.plot {
  position: absolute; left: var(--x); top: var(--y);
  width: var(--w); height: var(--h);
  transform-style: preserve-3d;
  border: none; background: none; padding: 0; margin: 0; font: inherit; cursor: default;
}
button.plot { cursor: pointer; }
.cube {
  position: absolute; left: 0; top: 0; width: var(--w); height: var(--h);
  transform-style: preserve-3d;
  transition: transform .45s var(--ease-out);
  will-change: transform;
}
.plot:hover .cube, .plot:focus-visible .cube { transform: translateZ(16px); }
.face { position: absolute; transition: background-color var(--sky-dur) var(--ease-in-out); }
.face.top {
  width: var(--w); height: var(--d); left: 0; top: calc((var(--h) - var(--d)) / 2);
  transform: rotateX(90deg) translateZ(calc(var(--h) / 2));
  background: var(--c-top, var(--roof));
  border-radius: 3px;
}
.face.front {
  width: var(--w); height: var(--h); left: 0; top: 0;
  transform: translateZ(calc(var(--d) / 2));
  background: var(--c-front, var(--cream));
}
.face.side {
  width: var(--d); height: var(--h); left: calc((var(--w) - var(--d)) / 2); top: 0;
  transform: rotateY(90deg) translateZ(calc(var(--w) / 2));
  background: var(--c-side, var(--cream-shade));
}

.wall-cream { --c-front: var(--cream); --c-side: var(--cream-shade); --c-top: var(--roof); }
.wall-sage  { --c-front: var(--sage);  --c-side: var(--sage-shade);  --c-top: var(--roof); }
.wall-ochre { --c-front: var(--ochre-wall); --c-side: var(--ochre-wall-shade); --c-top: var(--roof); }
.wall-slate { --c-front: var(--roof); --c-side: var(--roof-shade); --c-top: var(--roof-shade); }

/* ---------- windows / doors ---------- */
.window {
  position: absolute; width: 24px; height: 24px; left: calc((var(--w) / 2) - 12px + var(--wx, 0px));
  top: calc(var(--h) - 58px); background: var(--window-glass);
  border: 2px solid var(--window-frame); border-radius: 3px;
  transform: translateZ(calc(var(--d) / 2 + .5px));
  box-shadow: 0 0 0 0 var(--window-glow-soft);
  transition: background-color 1.1s var(--ease-in-out), box-shadow 1.1s var(--ease-in-out);
  transition-delay: var(--wd, 0s);
}
.window::after {
  content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--window-frame);
}
.window.w1 { --wx: -34px; }
.window.w2 { --wx: 34px; }
html[data-time="night"] .window {
  background: var(--window-glow);
  box-shadow: 0 0 16px 5px var(--window-glow-soft), 0 0 40px 14px var(--window-glow-soft);
}
.window.round {
  border-radius: 50%; width: 26px; height: 26px; left: calc((var(--w) / 2) - 13px);
  top: calc(var(--h) - 78px);
}
.window.round::after { content: none; }

.door {
  position: absolute; width: 30px; height: 44px; left: calc((var(--w) / 2) - 15px); bottom: 0;
  background: var(--door); border-radius: 8px 8px 0 0;
  transform: translateZ(calc(var(--d) / 2 + .5px));
  transition: background-color var(--sky-dur) var(--ease-in-out);
  box-shadow: inset 0 0 0 2px rgba(0,0,0,.12);
}
.door::after {
  content: ""; position: absolute; right: 5px; top: 50%; width: 3px; height: 3px; border-radius: 50%;
  background: var(--accent);
}

.sign {
  position: absolute; left: 50%; top: calc(var(--h) - 84px); transform: translateX(-50%) translateZ(calc(var(--d) / 2 + 2px));
  font-family: "Fredoka", sans-serif; font-size: 9px; letter-spacing: .04em; color: var(--card-bg);
  background: var(--accent); padding: 3px 7px; border-radius: 5px; white-space: nowrap;
  transition: background-color var(--sky-dur), color var(--sky-dur);
}

/* ---------- chimney + smoke ---------- */
.chimney {
  position: absolute; left: var(--cx); top: 0; width: 16px; height: 30px;
  transform: translateZ(calc(var(--h) - 6px)) rotateX(90deg) translateY(calc(-1 * var(--cy)));
  background: var(--roof-shade); border-radius: 2px 2px 0 0;
  transition: background-color var(--sky-dur) var(--ease-in-out);
}
.smoke-anchor { position: absolute; left: 50%; top: -2px; width: 1px; height: 1px; }
.smoke {
  position: absolute; left: 0; top: 0; width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.9), rgba(255,255,255,0) 72%);
  filter: blur(1.5px); opacity: var(--smoke-op);
  animation: smokeRise 4.5s var(--ease-out) forwards;
  transform: translate(-50%, -50%);
}
@keyframes smokeRise {
  0% { transform: translate(-50%, -50%) scale(.4); opacity: 0; }
  15% { opacity: var(--smoke-op); }
  100% { transform: translate(calc(-50% + 16px), -92px) scale(2); opacity: 0; }
}

/* ---------- well ---------- */
.well { --wx: 0px; }
.well-roof { position: absolute; left: 50%; top: -18px; transform: translateX(-50%) translateZ(calc(var(--d) / 2)); }
.well-roof-l, .well-roof-r {
  position: absolute; width: 46px; height: 8px; background: var(--roof-shade); border-radius: 4px;
  transition: background-color var(--sky-dur);
}
.well-roof-l { transform: rotate(22deg) translateX(-14px); }
.well-roof-r { transform: rotate(-22deg) translateX(14px); }
.well-post {
  position: absolute; top: -16px; width: 6px; height: 30px; background: var(--door);
  transform: translateZ(calc(var(--d) / 2));
  transition: background-color var(--sky-dur);
}
.well-post.lp { left: 8px; }
.well-post.rp { right: 8px; }

/* ---------- observatory dome ---------- */
.observatory .face.top { --c-top: var(--sage-shade); }
.dome {
  position: absolute; left: 50%; top: 0; width: 90px; height: 90px;
  transform: translate(-50%, -46%) translateZ(var(--h));
}
.dome-base {
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #E9EEE7, var(--slate) 70%);
  box-shadow: inset -8px -10px 14px rgba(0,0,0,.18), 0 6px 14px rgba(0,0,0,.2);
  transition: background var(--sky-dur) var(--ease-in-out);
}
.dome-cap {
  position: absolute; left: 18%; top: 12%; width: 42%; height: 42%; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,.75), transparent 70%);
}
.dome-slit {
  position: absolute; left: 50%; top: 4%; width: 8px; height: 46%; background: var(--slate-shade);
  transform: translateX(-50%); border-radius: 3px; transition: background var(--sky-dur);
}

/* ---------- windmill ---------- */
.windmill .face.top { --c-top: var(--roof-shade); }
.mill-cap {
  position: absolute; left: 50%; top: -14px; width: 58px; height: 26px;
  transform: translate(-50%, 0) translateZ(var(--h)) rotateX(90deg);
  background: var(--roof-shade); border-radius: 50% 50% 4px 4px / 60% 60% 4px 4px;
  transition: background-color var(--sky-dur);
}
.mill-hub {
  position: absolute; left: 50%; top: calc(var(--h) * .26); width: 14px; height: 14px; border-radius: 50%;
  background: var(--door); transform: translate(-50%, -50%) translateZ(calc(var(--d) / 2 + 6px));
  box-shadow: 0 0 0 3px var(--roof-shade);
  transition: background-color var(--sky-dur);
}
.mill-blades {
  position: absolute; left: 50%; top: 50%; width: 1px; height: 1px;
  animation: spinMill 6.5s linear infinite;
}
.blade {
  position: absolute; left: -4px; top: -66px; width: 8px; height: 66px; border-radius: 6px;
  background: linear-gradient(var(--cream), var(--cream-shade));
  transform-origin: 50% 66px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.08);
}
.blade:nth-child(1) { transform: rotate(0deg); }
.blade:nth-child(2) { transform: rotate(90deg); }
.blade:nth-child(3) { transform: rotate(180deg); }
.blade:nth-child(4) { transform: rotate(270deg); }
@keyframes spinMill { to { transform: rotate(360deg); } }

/* ---------- trees ---------- */
.tree { position: absolute; left: var(--x); top: var(--y); width: 1px; height: 1px; transform-style: preserve-3d; }
.tree .trunk {
  position: absolute; left: -5px; top: 0; width: 10px; height: 26px; background: #8A6A46;
  transform: translateZ(13px) rotateX(0deg);
}
.tree .trunk::before {
  content: ""; position: absolute; inset: 0; background: #6E5236; opacity: .5; clip-path: polygon(0 0, 40% 0, 40% 100%, 0 100%);
}
.tree .tier {
  position: absolute; left: 0; top: 0; border-radius: 50% 50% 8% 8% / 60% 60% 10% 10%;
  background: radial-gradient(circle at 32% 26%, var(--grass), var(--grass-deep) 78%);
  box-shadow: inset -6px -6px 10px rgba(0,0,0,.14);
  transform-style: preserve-3d;
  transition: background var(--sky-dur) var(--ease-in-out);
}
.tree-lg .t1 { width: 74px; height: 46px; margin-left: -37px; transform: translateZ(94px); }
.tree-lg .t2 { width: 92px; height: 54px; margin-left: -46px; transform: translateZ(66px); }
.tree-lg .t3 { width: 108px; height: 60px; margin-left: -54px; transform: translateZ(36px); }
.tree-lg .trunk { height: 30px; }
.tree-md .t1 { width: 58px; height: 36px; margin-left: -29px; transform: translateZ(74px); }
.tree-md .t2 { width: 72px; height: 42px; margin-left: -36px; transform: translateZ(52px); }
.tree-md .t3 { width: 84px; height: 48px; margin-left: -42px; transform: translateZ(28px); }
.tree-sm .t1 { width: 44px; height: 28px; margin-left: -22px; transform: translateZ(56px); }
.tree-sm .t2 { width: 54px; height: 32px; margin-left: -27px; transform: translateZ(38px); }
.tree-sm .t3 { width: 64px; height: 36px; margin-left: -32px; transform: translateZ(20px); }

/* ---------- lanterns ---------- */
.lantern { position: absolute; left: var(--x); top: var(--y); width: 1px; height: 1px; transform-style: preserve-3d; }
.lantern .post {
  position: absolute; left: -3px; top: -6px; width: 6px; height: 64px; background: var(--lantern-metal);
  transform: translateZ(32px); border-radius: 3px; transition: background-color var(--sky-dur);
}
.lantern .lamp {
  position: absolute; left: -8px; top: -34px; width: 16px; height: 20px; border-radius: 5px;
  background: var(--lantern-glass); transform: translateZ(64px);
  box-shadow: 0 0 0 0 var(--lantern-glow);
  transition: background-color 1s var(--ease-in-out), box-shadow 1s var(--ease-in-out);
}
html[data-time="night"] .lantern .lamp { box-shadow: 0 0 18px 6px var(--lantern-glow), 0 0 42px 16px var(--lantern-glow); }

/* ---------- ivy detail ---------- */
.ivy {
  position: absolute; left: 6px; bottom: 0; width: 20px; height: 46px;
  background: radial-gradient(circle at 30% 20%, var(--grass-deep) 0 5px, transparent 6px) repeat;
  background-size: 11px 13px;
  transform: translateZ(calc(var(--d) / 2 + .6px)); opacity: .9;
}

/* ---------- tooltip ---------- */
.tooltip {
  position: absolute; z-index: 20; left: 0; top: 0; pointer-events: none;
  transform: translate(-50%, calc(-100% - 14px));
  background: var(--card-bg); color: var(--ink); border: 1px solid var(--card-border);
  padding: .5rem .75rem; border-radius: 12px; font-size: .84rem; line-height: 1.35;
  box-shadow: 0 12px 26px -8px var(--card-shadow);
  opacity: 0; transition: opacity .22s var(--ease-out), transform .22s var(--ease-out), background-color var(--sky-dur), color var(--sky-dur);
  white-space: nowrap;
}
.tooltip.visible { opacity: 1; transform: translate(-50%, calc(-100% - 20px)); }
.tooltip b { display: block; font-family: "Fredoka", sans-serif; font-size: .92rem; }
.tooltip span { color: var(--ink-faint); }
.tooltip::after {
  content: ""; position: absolute; left: 50%; bottom: -6px; width: 12px; height: 12px;
  background: var(--card-bg); border-right: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border);
  transform: translateX(-50%) rotate(45deg);
}

/* =========================================================
   REGISTRY
   ========================================================= */
.registry { max-width: 1180px; margin: 0 auto; padding: clamp(3rem, 7vw, 5rem) clamp(1.2rem, 4vw, 2.4rem) clamp(2.4rem, 6vw, 4rem); }
.registry-head { text-align: center; max-width: 56ch; margin: 0 auto clamp(2rem, 5vw, 3rem); }
.registry-head h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin-bottom: .6rem; }
.registry-head p { color: var(--ink-soft); line-height: 1.6; transition: color var(--sky-dur); }

.registry-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; }
@media (max-width: 980px) { .registry-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .registry-grid { grid-template-columns: 1fr; } }

.reg-card {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 18px;
  padding: 1.3rem 1.2rem 1.4rem; text-align: left;
  box-shadow: 0 14px 30px -18px var(--card-shadow);
  transition: background-color var(--sky-dur) var(--ease-in-out), border-color var(--sky-dur), box-shadow .3s var(--ease-out), transform .3s var(--ease-out);
}
.reg-card:hover { transform: translateY(-4px); box-shadow: 0 20px 34px -16px var(--card-shadow); }
.reg-card h3 { font-size: 1.02rem; margin: .2rem 0 .4rem; }
.reg-card p { margin: 0; font-size: .87rem; line-height: 1.55; color: var(--ink-soft); transition: color var(--sky-dur); }

.reg-icon { width: 56px; height: 44px; margin-bottom: .5rem; position: relative; perspective: 300px; }
.ri-cube { position: absolute; left: 14px; top: 2px; width: 30px; height: 26px; transform-style: preserve-3d; transform: rotateX(58deg) rotateZ(-45deg); display: block; }
.ri-cube .rf-top, .ri-cube .rf-front, .ri-cube .rf-side { position: absolute; transition: background-color var(--sky-dur); }
.ri-cube .rf-top { width: 30px; height: 22px; top: 2px; transform: rotateX(90deg) translateZ(13px); background: var(--roof); border-radius: 2px; }
.ri-cube .rf-front { width: 30px; height: 26px; transform: translateZ(11px); background: var(--cream); }
.ri-cube .rf-side { width: 22px; height: 26px; left: 4px; transform: rotateY(90deg) translateZ(15px); background: var(--cream-shade); }
.ri-sage .rf-front { background: var(--sage); } .ri-sage .rf-side { background: var(--sage-shade); }
.ri-ochre .rf-front { background: var(--ochre-wall); } .ri-ochre .rf-side { background: var(--ochre-wall-shade); }
.ri-well .rf-top { background: var(--roof-shade); } .ri-well .rf-front { background: var(--slate); } .ri-well .rf-side { background: var(--slate-shade); }
.ri-dome .rf-ball {
  position: absolute; left: 6px; top: -9px; width: 18px; height: 18px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #E9EEE7, var(--slate) 75%);
  transform: translateZ(24px);
}
.ri-mill .rf-blade {
  position: absolute; left: 13px; top: -6px; width: 4px; height: 22px; background: var(--cream-shade);
  transform: translateZ(20px); border-radius: 3px; animation: spinMill 5s linear infinite;
  transform-origin: 2px 11px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-foot {
  max-width: 1180px; margin: 0 auto; padding: 1.6rem clamp(1.2rem, 4vw, 2.4rem) 2.6rem;
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; align-items: center; justify-content: space-between;
  font-size: .82rem; color: var(--ink-faint); border-top: 1px solid var(--card-border);
  transition: color var(--sky-dur), border-color var(--sky-dur);
}
.foot-links { display: flex; gap: 1.1rem; }
.foot-links a { text-decoration: none; color: var(--ink-soft); border-bottom: 1px solid transparent; transition: color var(--sky-dur), border-color .2s; }
.foot-links a:hover, .foot-links a:focus-visible { color: var(--accent); border-color: currentColor; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 900px) {
  .scaler { --stage-scale: .5; }
}
@media (max-width: 640px) {
  .stage { height: 480px; border-radius: 20px; }
  .scaler { --stage-scale: .34; }
  .registry-grid { gap: .8rem; }
  .site-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 420px) {
  .scaler { --stage-scale: .3; }
  .stage { height: 420px; }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .rise { animation: none; opacity: 1; transform: none; }
  .cloud, .bird, .mill-blades, .ri-mill .rf-blade, .stream-shine, .firefly { animation: none !important; }
  .stream-shine { opacity: .5; }
  .cube, .switch-sun, .switch-moon, .reg-card, .plot .cube { transition-duration: .01s !important; }
  body, .sky-layer, .face, .window, .door, .chimney, .lantern .lamp, .dome-base { transition-duration: .4s !important; }
  .smoke { animation-duration: 7s; }
}