:root {
  color-scheme: light;
  --ink: #251c17;
  --muted: #75665b;
  --paper: #f6f0e5;
  --paper-2: #fffaf2;
  --gold: #c58a3f;
  --gold-light: #f1c77b;
  --coral: #c75e3c;
  --green: #29443c;
  --line: rgba(37, 28, 23, .15);
  --shadow: 0 35px 100px rgba(47, 30, 20, .2);
  --ease: cubic-bezier(.22, .82, .26, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  transition: background-color .8s var(--ease);
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
::selection { color: var(--ink); background: var(--gold-light); }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .8rem;
  left: .8rem;
  padding: .7rem 1rem;
  color: var(--paper-2);
  background: var(--ink);
  transform: translateY(-180%);
  transition: transform .2s ease;
}
.skip-link:focus-visible { transform: none; }

.site-header {
  position: absolute;
  z-index: 100;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 clamp(1.2rem, 3vw, 3.5rem);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  width: fit-content;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-decoration: none;
  text-transform: uppercase;
}
.brand-mark {
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  box-shadow: inset 6px 0 0 rgba(197, 138, 63, .2);
}
.site-header nav { display: flex; gap: 2.2rem; }
.site-header nav a { color: var(--muted); font-size: .7rem; text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }
.header-cta {
  justify-self: end;
  min-height: 42px;
  padding: .65rem 1rem;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 250, 242, .45);
  font-size: .68rem;
  font-weight: 750;
  transition: color .25s ease, background .25s ease, transform .25s ease;
}
.header-cta:hover { color: white; background: var(--ink); transform: translateY(-2px); }

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(380px, .76fr) minmax(610px, 1.35fr);
  gap: clamp(1rem, 2.2vw, 3rem);
  min-height: 100svh;
  padding: clamp(7.5rem, 10vh, 9rem) clamp(1.2rem, 3vw, 3.5rem) 4rem;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 250, 242, .72), transparent 48%),
    radial-gradient(circle at 72% 42%, rgba(218, 164, 88, .18), transparent 34%);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -2;
  width: 52vw;
  height: 52vw;
  right: -20vw;
  top: -24vw;
  border: 1px solid rgba(197, 138, 63, .14);
  border-radius: 50%;
}
.hero-aura {
  position: absolute;
  z-index: -1;
  width: 48vw;
  height: 48vw;
  right: 5vw;
  top: 12vh;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 191, 116, .23), transparent 66%);
  filter: blur(14px);
  transition: background .8s var(--ease);
}
html[data-active="remembered"] .hero-aura { background: radial-gradient(circle, rgba(208, 145, 65, .24), transparent 66%); }
html[data-active="chosen"] .hero-aura { background: radial-gradient(circle, rgba(96, 134, 113, .18), transparent 66%); }

.hero-copy {
  position: relative;
  z-index: 10;
  align-self: center;
  max-width: 650px;
  padding: 1rem 0 4.8rem;
}
.eyebrow {
  margin: 0 0 1.2rem;
  color: #9b5d2e;
  font-size: .63rem;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.eyebrow--dark { color: #935625; }
.memory-line {
  margin: 0 0 .6rem;
  color: var(--muted);
  font-family: Iowan Old Style, Baskerville, Georgia, serif;
  font-size: clamp(1rem, 1.2vw, 1.28rem);
  font-style: italic;
}
h1, h2 {
  margin-top: 0;
  font-family: Iowan Old Style, Baskerville, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: .91;
}
h1 {
  max-width: 10.5ch;
  margin-bottom: 1.6rem;
  font-size: clamp(4rem, 6.2vw, 7.5rem);
}
h1 em, h2 em { color: var(--coral); font-weight: 400; }
.hero-support {
  max-width: 33rem;
  margin: 0;
  color: var(--muted);
  font-size: clamp(.96rem, 1.05vw, 1.1rem);
}
.hero-support strong { color: var(--ink); font-weight: 650; }
.hero-actions { display: flex; align-items: center; gap: 1.25rem; margin-top: 2rem; }
.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 54px;
  padding: .9rem 1.15rem;
  color: white;
  border: 0;
  border-radius: 2px;
  background: var(--ink);
  box-shadow: 0 15px 40px rgba(37, 28, 23, .16);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: background .25s ease, transform .25s var(--ease);
}
.primary-cta:hover { background: var(--coral); transform: translateY(-2px); }
.quiet-link { color: var(--muted); font-size: .72rem; text-underline-offset: .35rem; }

.impact-selector {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 610px;
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.impact-option {
  display: grid;
  grid-template-columns: 1.2rem 1fr;
  gap: .6rem;
  min-width: 0;
  padding: 1rem .7rem 1rem 0;
  color: rgba(37, 28, 23, .47);
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  text-align: left;
  transition: color .3s ease, padding .3s var(--ease), background .3s ease;
}
.impact-option + .impact-option { padding-left: .8rem; }
.impact-option:last-child { border-right: 0; }
.impact-option:hover { color: var(--ink); }
.impact-option[aria-selected="true"] { color: var(--ink); background: rgba(255,255,255,.32); padding-top: 1.45rem; }
.option-index { padding-top: .15rem; color: var(--gold); font-size: .55rem; }
.impact-option strong, .impact-option small { display: block; }
.impact-option strong { font-family: Iowan Old Style, Baskerville, serif; font-size: .96rem; font-weight: 600; white-space: nowrap; }
.impact-option small { margin-top: .25rem; color: inherit; font-size: .54rem; letter-spacing: .06em; text-transform: uppercase; opacity: .65; }

.stage-column {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-self: stretch;
  min-width: 0;
}
.stage-heading {
  position: relative;
  z-index: 12;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  width: 77%;
  margin: 0 auto .8rem;
  color: var(--muted);
}
.stage-heading > div { display: flex; align-items: baseline; gap: .8rem; }
.stage-number { color: var(--gold); font-size: .58rem; font-weight: 800; letter-spacing: .12em; }
.stage-heading strong { color: var(--ink); font-family: Iowan Old Style, Baskerville, serif; font-size: 1.15rem; font-weight: 600; }
.stage-heading p { max-width: 25rem; margin: 0; font-size: .68rem; text-align: right; }

.impact-stage {
  position: relative;
  flex: 1;
  min-height: 610px;
  overflow: visible;
  perspective: 1500px;
}
.stage-depth-lines {
  position: absolute;
  z-index: -1;
  inset: 12% 4% 5%;
  opacity: .35;
  background-image:
    linear-gradient(rgba(82, 55, 37, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(82, 55, 37, .12) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, transparent, black 22%, black 70%, transparent);
  transform: perspective(800px) rotateX(64deg) translateY(32%);
  transform-origin: bottom;
}
.world {
  position: absolute;
  top: 2%;
  left: 13%;
  width: 74%;
  height: min(70vh, 690px);
  min-height: 540px;
  overflow: hidden;
  color: white;
  border: 1px solid rgba(255,255,255,.24);
  background: #21150f;
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  transition:
    left .85s var(--ease),
    top .85s var(--ease),
    width .85s var(--ease),
    height .85s var(--ease),
    opacity .65s ease,
    filter .65s ease,
    transform .85s var(--ease),
    box-shadow .65s ease;
}
.world.is-active {
  z-index: 5;
  left: 13%;
  top: 1%;
  width: 74%;
  height: min(71vh, 700px);
  opacity: 1;
  filter: saturate(1) brightness(1);
  transform: translate3d(0, 0, 0) rotateX(var(--world-rx, 0deg)) rotateY(var(--world-ry, 0deg));
  box-shadow: 0 45px 115px rgba(47, 30, 20, .27);
}
.world.is-left {
  z-index: 2;
  left: -4%;
  top: 14%;
  width: 31%;
  height: min(56vh, 560px);
  opacity: .55;
  filter: saturate(.72) brightness(.72);
  transform: translate3d(0, 0, -130px) rotateY(18deg);
  box-shadow: 0 20px 60px rgba(47, 30, 20, .14);
}
.world.is-right {
  z-index: 3;
  left: 79%;
  top: 10%;
  width: 31%;
  height: min(60vh, 590px);
  opacity: .62;
  filter: saturate(.78) brightness(.78);
  transform: translate3d(0, 0, -90px) rotateY(-18deg);
  box-shadow: 0 20px 60px rgba(47, 30, 20, .16);
}
.world-media { position: absolute; inset: 0; overflow: hidden; }
.world-media::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.world-topline, .world-footer {
  position: absolute;
  z-index: 8;
  left: 1.2rem;
  right: 1.2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-shadow: 0 2px 15px rgba(0,0,0,.65);
}
.world-topline { top: 1rem; font-size: .54rem; letter-spacing: .09em; text-transform: uppercase; }
.world-footer { bottom: 1rem; }
.world-footer div { display: flex; flex-direction: column; }
.world-footer small { color: rgba(255,255,255,.52); font-size: .5rem; letter-spacing: .12em; text-transform: uppercase; }
.world-footer strong { font-family: Iowan Old Style, Baskerville, serif; font-size: 1rem; font-weight: 500; }
.world-footer > span { font-family: Iowan Old Style, Baskerville, serif; font-size: 2rem; opacity: .32; }
.world-status { padding: .35rem .5rem; border: 1px solid rgba(255,255,255,.27); background: rgba(17,10,7,.25); backdrop-filter: blur(8px); }
.status-real { color: #ffe0a6; }
.status-prototype { color: rgba(255,255,255,.75); }
.world-select { position: absolute; z-index: 10; inset: 0; border: 0; background: transparent; }
.world.is-active .world-select { pointer-events: none; }
.world:not(.is-active):hover { opacity: .82; filter: saturate(.9) brightness(.9); }

.product-world img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 48% center;
  filter: contrast(1.04) saturate(.9) brightness(.72);
  transform: scale(1.03);
  transition: transform 1.2s var(--ease);
}
.world--desired.is-active .product-world img { transform: scale(1.08) translate3d(var(--product-x, 0px), var(--product-y, 0px), 0); }
.product-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(30,14,8,.62), transparent 55%), linear-gradient(0deg, rgba(20,10,6,.55), transparent 35%); }
.product-object {
  position: absolute;
  z-index: 3;
  left: 8%;
  top: 29%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: clamp(155px, 16vw, 250px);
  aspect-ratio: .76;
  padding: 1.4rem;
  color: #33180e;
  border: 1px solid rgba(255,235,194,.82);
  background: linear-gradient(145deg, #f1c478, #c46e36 65%, #6b2f1b);
  box-shadow: 0 30px 55px rgba(34,12,5,.34);
  transform: rotate(-5deg) translate3d(var(--product-card-x, 0px), var(--product-card-y, 0px), 0);
  transition: transform .25s ease-out;
}
.product-object::after { content: ""; position: absolute; inset: 8px; border: 1px solid rgba(58,24,10,.28); }
.product-origin { font-size: .48rem; font-weight: 800; letter-spacing: .16em; }
.product-object strong { margin: auto 0 .2rem; font-family: Iowan Old Style, Baskerville, serif; font-size: clamp(2.2rem, 3.2vw, 4rem); font-weight: 500; letter-spacing: -.07em; line-height: .8; }
.product-object small { font-size: .58rem; letter-spacing: .08em; }
.product-word { position: absolute; z-index: 2; color: rgba(255,236,205,.44); font-family: Iowan Old Style, Baskerville, serif; font-size: clamp(2rem, 4.3vw, 5.5rem); font-style: italic; }
.product-word--top { top: 17%; right: 5%; }
.product-word--bottom { right: 6%; bottom: 17%; }
.product-cursor { position: absolute; z-index: 5; width: 46px; height: 46px; right: 19%; top: 48%; border: 1px solid rgba(255,224,172,.78); border-radius: 50%; box-shadow: 0 0 0 12px rgba(255,224,172,.05), 0 0 40px rgba(255,196,112,.24); animation: cursor-drift 4s ease-in-out infinite alternate; }
.steam { position: absolute; z-index: 4; width: 2px; height: 30%; left: 47%; bottom: 37%; border-radius: 50%; background: linear-gradient(transparent, rgba(255,244,222,.55), transparent); filter: blur(3px); transform-origin: bottom; animation: steam-rise 3.7s ease-in-out infinite; }
.steam--two { left: 51%; height: 25%; animation-delay: -.8s; }
.steam--three { left: 55%; height: 34%; animation-delay: -1.5s; }
@keyframes steam-rise { 0% { opacity: 0; transform: translateY(24px) rotate(-4deg) scaleY(.8); } 50% { opacity: .75; } 100% { opacity: 0; transform: translateY(-55px) rotate(10deg) scaleY(1.2); } }
@keyframes cursor-drift { to { transform: translate(20px, -18px); } }

.immersion-world { background: linear-gradient(145deg, #d79b45, #25160f); }
.immersion-world iframe { position: absolute; z-index: 2; inset: 0; width: 100%; height: 100%; border: 0; pointer-events: none; opacity: 0; transition: opacity .8s ease; }
.world--remembered.is-loaded .immersion-world iframe { opacity: 1; }
.immersion-fallback { position: absolute; inset: 0; display: grid; place-content: center; color: white; text-align: center; background: radial-gradient(circle at 45% 36%, rgba(255,211,132,.26), transparent 24%), linear-gradient(145deg,#b76d31,#20130d); }
.immersion-fallback span { font-size: .6rem; letter-spacing: .28em; }
.immersion-fallback strong { font-family: Iowan Old Style, Baskerville, serif; font-size: clamp(3rem, 6vw, 7rem); font-weight: 500; letter-spacing: -.06em; }
.immersion-fallback small { color: rgba(255,255,255,.65); }
.immersion-vignette { position: absolute; z-index: 3; inset: 0; background: linear-gradient(180deg, rgba(12,7,4,.16), transparent 35%, rgba(12,7,4,.48)); pointer-events: none; }

.service-world img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.72) contrast(.9) brightness(1.02); transform: scale(1.04); }
.service-world::after { background: linear-gradient(90deg, rgba(245,241,225,.88), rgba(245,241,225,.28) 58%, rgba(36,67,58,.18)); }
.service-interface { position: absolute; z-index: 4; inset: 0; padding: 4.4rem 7% 5.2rem; color: #223c34; }
.service-nav { display: flex; align-items: center; gap: .7rem; font-size: .5rem; font-weight: 800; letter-spacing: .1em; }
.service-nav i { width: 4px; height: 4px; border-radius: 50%; background: #527769; }
.service-nav b { margin-left: auto; padding: .4rem .6rem; color: white; background: #294b40; font-weight: 700; }
.service-interface > p { margin: 8% 0 .55rem; color: #6b7d74; font-size: .62rem; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }
.service-interface > strong { display: block; max-width: 7.5ch; font-family: Iowan Old Style, Baskerville, serif; font-size: clamp(2.5rem, 4.3vw, 5.2rem); font-weight: 500; letter-spacing: -.06em; line-height: .86; }
.service-interface > strong em { color: #a65f35; font-weight: 400; }
.service-proof { display: flex; gap: .7rem; margin-top: 1rem; }
.service-proof span { padding: .5rem .65rem; color: #526b61; border: 1px solid rgba(41,75,64,.18); background: rgba(255,255,255,.44); font-size: .52rem; backdrop-filter: blur(8px); }
.service-proof b { color: #294b40; font-size: .7rem; }
.service-interface button { display: flex; justify-content: space-between; gap: 1.4rem; margin-top: .75rem; padding: .65rem .8rem; color: white; border: 0; background: #294b40; font-size: .55rem; }
.service-orbit { position: absolute; z-index: 5; right: -4.8rem; top: 48%; color: rgba(35,68,57,.44); font-size: .52rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; transform: rotate(90deg); }
.world--chosen.is-active .service-interface > strong { animation: service-breathe 3.8s var(--ease) infinite alternate; }
@keyframes service-breathe { to { letter-spacing: -.035em; transform: translateX(8px); } }

.prototype-note {
  z-index: 10;
  display: flex;
  align-items: flex-start;
  gap: .7rem;
  width: 77%;
  margin: .8rem auto 0;
  color: var(--muted);
  font-size: .58rem;
}
.prototype-note > span { flex: 0 0 auto; width: 22px; height: 1px; margin-top: .55rem; background: var(--gold); }
.prototype-note p { margin: 0; }
.prototype-note strong { color: var(--ink); }
.scroll-cue {
  position: absolute;
  z-index: 20;
  left: clamp(1.2rem, 3vw, 3.5rem);
  bottom: 1.7rem;
  display: flex;
  align-items: flex-end;
  gap: 1rem;
  color: var(--muted);
  font-family: Iowan Old Style, Baskerville, serif;
  font-size: .68rem;
  line-height: 1.15;
  text-decoration: none;
}
.scroll-cue i { display: block; width: 1px; height: 38px; background: linear-gradient(var(--gold), transparent); animation: cue-pulse 1.8s ease-in-out infinite; }
@keyframes cue-pulse { 50% { transform: scaleY(.55); transform-origin: bottom; } }

.continuation {
  min-height: 82vh;
  padding: clamp(6rem, 10vw, 11rem) max(5vw, calc((100vw - 1480px) / 2));
  background: var(--paper-2);
}
.continuation h2 { max-width: 12ch; margin-bottom: 2rem; font-size: clamp(4rem, 8vw, 9rem); }
.continuation > p:not(.eyebrow) { max-width: 42rem; color: var(--muted); }
.continuation-rail { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.continuation-rail span { display: flex; flex-direction: column; min-height: 150px; padding: 1.5rem; border-right: 1px solid var(--line); font-family: Iowan Old Style, Baskerville, serif; font-size: 1.7rem; }
.continuation-rail span:last-child { border-right: 0; }
.continuation-rail small { margin-top: auto; color: var(--muted); font-family: Inter, sans-serif; font-size: .55rem; letter-spacing: .12em; text-transform: uppercase; }

#brief-dialog {
  width: min(90vw, 620px);
  padding: clamp(2rem, 5vw, 4rem);
  color: var(--ink);
  border: 0;
  border-radius: 3px;
  background: var(--paper-2);
  box-shadow: 0 40px 120px rgba(0,0,0,.35);
}
#brief-dialog::backdrop { background: rgba(30,20,15,.62); backdrop-filter: blur(10px); }
#brief-dialog h2 { margin-bottom: 1.5rem; font-size: clamp(2.5rem, 5vw, 4.6rem); }
#brief-dialog > p:not(.eyebrow) { color: var(--muted); }
.dialog-close { position: absolute; top: 1rem; right: 1rem; width: 2.3rem; height: 2.3rem; color: var(--ink); border: 1px solid var(--line); border-radius: 50%; background: transparent; font-size: 1.25rem; }
.dialog-confirm { margin-top: 1.3rem; padding: .8rem 1rem; color: white; border: 0; background: var(--ink); }

@media (max-width: 1180px) {
  .hero { grid-template-columns: minmax(330px, .72fr) minmax(520px, 1.15fr); padding-inline: 2rem; }
  h1 { font-size: clamp(3.8rem, 6vw, 5.9rem); }
  .world.is-active { left: 10%; width: 80%; }
  .world.is-left { left: -7%; }
  .world.is-right { left: 78%; }
  .stage-heading, .prototype-note { width: 82%; }
}

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    min-height: auto;
    padding: 7rem 1.5rem 4rem;
  }
  .hero-copy { max-width: none; padding-bottom: 0; }
  h1 { max-width: 9ch; font-size: clamp(4.2rem, 12vw, 7rem); }
  .hero-support { max-width: 38rem; }
  .impact-selector { max-width: 700px; }
  .stage-column { min-height: 680px; }
  .stage-heading { width: 88%; }
  .impact-stage { min-height: 570px; }
  .world.is-active { left: 8%; width: 84%; height: 570px; min-height: 570px; }
  .world.is-left { left: -3%; width: 23%; height: 430px; min-height: 430px; }
  .world.is-right { left: 82%; width: 23%; height: 450px; min-height: 450px; }
  .prototype-note { width: 88%; }
  .scroll-cue { display: none; }
}

@media (max-width: 600px) {
  .site-header { min-height: 64px; padding-inline: 1rem; }
  .brand { font-size: .62rem; }
  .header-cta { padding: .55rem .7rem; font-size: .58rem; }
  .hero { gap: 1.2rem; padding: 5rem 1rem 3.5rem; }
  .memory-line { font-size: 1rem; }
  h1 { margin-bottom: 1.2rem; font-size: clamp(3.45rem, 15.5vw, 4.75rem); }
  .hero-support { font-size: .95rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 0; margin-top: 1.4rem; }
  .primary-cta { width: 100%; }
  .quiet-link { display: none; }
  .impact-selector { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 1.35rem; }
  .impact-option, .impact-option + .impact-option { display: block; min-height: 58px; padding: .65rem .35rem; border-right: 1px solid var(--line); border-bottom: 0; text-align: center; }
  .impact-option:last-child { border-right: 0; }
  .impact-option[aria-selected="true"] { padding: .9rem .35rem .65rem; }
  .option-index { display: none; }
  .impact-option strong { overflow: hidden; font-size: .78rem; text-overflow: ellipsis; white-space: nowrap; }
  .impact-option small { display: none; }
  .stage-column { min-height: 570px; margin-top: 0; }
  .stage-heading { align-items: flex-start; flex-direction: column; gap: .35rem; width: 100%; }
  .stage-heading p { max-width: 18rem; text-align: left; }
  .impact-stage { min-height: 460px; }
  .world.is-active { left: 0; top: 1rem; width: 100%; height: 420px; min-height: 420px; }
  .world.is-left, .world.is-right { left: 46%; top: 3rem; width: 54%; height: 360px; min-height: 360px; opacity: 0; pointer-events: none; transform: translateX(60%) scale(.9); }
  .world-topline, .world-footer { left: .8rem; right: .8rem; }
  .product-object { width: 145px; }
  .product-word { font-size: 2.2rem; }
  .service-interface { padding: 4.5rem 5% 3.5rem; }
  .service-interface > strong { font-size: 2.85rem; }
  .service-proof span:nth-child(2) { display: none; }
  .prototype-note { width: 100%; margin-top: .45rem; }
  .continuation { min-height: auto; padding: 6rem 1rem; }
  .continuation h2 { font-size: clamp(3.4rem, 16vw, 5rem); }
  .continuation-rail { grid-template-columns: 1fr; }
  .continuation-rail span { min-height: 110px; border-right: 0; border-bottom: 1px solid var(--line); }
  .continuation-rail span:last-child { border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .world.is-active { transform: none; }
}