.about-page main {
  overflow: clip;
}

.about-evolution {
  --strength: 0;
  --stage-progress: 0;
  --evolution-ink: #171816;
  --evolution-muted: #656963;
  --evolution-accent: #b52b24;
  --evolution-thumb: #e8e9e5;
  --rail-inset: 13px;
  isolation: isolate;
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(340px, 1fr) auto;
  min-height: calc(100svh - var(--nav-h, 64px));
  padding: clamp(24px, 3.4vw, 46px) clamp(20px, 4vw, 64px) 22px;
  overflow: hidden;
  color: var(--evolution-ink);
  background:
    radial-gradient(circle at 50% 44%, rgba(255,255,255,.72) 0 17%, transparent 53%),
    #e8e9e5;
  transition: color .38s ease;
}

.about-evolution::before {
  content: "";
  z-index: -2;
  position: absolute;
  inset: 0;
  opacity: calc(var(--strength) * .96);
  background:
    radial-gradient(circle at 50% 43%, #40312a 0, #201b19 35%, #0d0d0d 76%),
    #0d0d0d;
  transition: opacity .12s linear;
}

.about-evolution::after {
  content: "";
  z-index: 8;
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .26;
  mix-blend-mode: soft-light;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.016) 0 1px, transparent 1px 4px),
    radial-gradient(circle at 22% 18%, rgba(255,255,255,.07) 0 1px, transparent 1.5px);
  background-size: auto, 7px 7px;
}

.about-evolution[data-stage="3"],
.about-evolution[data-stage="4"],
.about-evolution[data-stage="5"] {
  --evolution-ink: #f4f1e8;
  --evolution-muted: #b8b4a9;
  --evolution-thumb: #1a1715;
}

.about-evolution[data-stage="5"] {
  --evolution-accent: #d4ff6a;
}

.about-evolution__masthead {
  z-index: 10;
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.about-evolution__eyebrow {
  margin: 0 0 7px;
  color: var(--evolution-muted);
  font-family: var(--font-mono), SFMono-Regular, Consolas, monospace;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.about-evolution__masthead h1 {
  margin: 0;
  color: inherit;
  font-family: var(--font-sans), "PingFang SC", sans-serif;
  font-size: clamp(38px, 5.4vw, 72px);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.065em;
}

.about-evolution__intro {
  max-width: 540px;
  margin: 13px 0 0;
  color: var(--evolution-muted);
  font-size: clamp(13px, 1.2vw, 16px);
  line-height: 1.55;
}

.about-evolution__meter {
  display: grid;
  min-width: 124px;
  padding-top: 4px;
  border-top: 1px solid currentColor;
  text-align: right;
  font-family: var(--font-mono), SFMono-Regular, Consolas, monospace;
}

.about-evolution__meter span {
  color: var(--evolution-muted);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.about-evolution__version {
  margin-top: 4px;
  color: inherit;
  font-size: clamp(17px, 2vw, 24px);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  letter-spacing: -.04em;
}

.about-evolution__portrait-zone {
  z-index: 1;
  position: relative;
  display: flex;
  min-height: 0;
  padding-top: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.about-evolution__ghost {
  z-index: -1;
  position: absolute;
  top: 45%;
  left: 50%;
  width: 100%;
  margin: 0;
  transform: translate(-50%, -50%) scale(calc(.95 + var(--strength) * .08));
  transform-origin: center;
  color: currentColor;
  opacity: calc(.035 + var(--strength) * .025);
  font-family: "Songti SC", "STSong", Georgia, serif;
  font-size: clamp(150px, 27vw, 420px);
  font-weight: 900;
  line-height: .7;
  letter-spacing: -.16em;
  text-align: center;
  white-space: nowrap;
}

.about-evolution__portrait {
  position: relative;
  width: min(47svh, 510px, 72vw);
  max-width: 100%;
  aspect-ratio: 1;
  filter: drop-shadow(0 28px 38px rgba(18,20,18,.14));
}

.about-evolution__portrait::before {
  content: "";
  z-index: 4;
  position: absolute;
  inset: 0;
  border: 1px solid color-mix(in srgb, currentColor 17%, transparent);
  pointer-events: none;
}

.about-evolution__portrait::after {
  content: "";
  z-index: 4;
  position: absolute;
  top: 50%;
  left: -13px;
  right: -13px;
  height: 1px;
  opacity: .4;
  background: linear-gradient(90deg, currentColor 0 12px, transparent 12px calc(100% - 12px), currentColor calc(100% - 12px));
  pointer-events: none;
}

.about-evolution__poster,
.about-evolution__canvas {
  z-index: 1;
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-evolution__poster {
  background: radial-gradient(circle at 50% 38%, #f7f7f5, #cfd1cf 70%);
}

.about-evolution__canvas {
  z-index: 2;
  background: transparent;
}

.about-evolution__video {
  z-index: 0;
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .001;
  pointer-events: none;
}

.about-evolution__loader {
  z-index: 6;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 76px;
  height: 76px;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(212,255,72,.28);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(212,255,72,.13) 0 17%, transparent 18% 100%),
    rgba(8,10,8,.7);
  box-shadow:
    0 0 0 1px rgba(0,0,0,.22),
    0 12px 32px rgba(0,0,0,.38),
    inset 0 0 24px rgba(212,255,72,.07);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
  pointer-events: none;
  transition: opacity .24s ease, visibility .24s ease;
}

.about-evolution__loader[hidden] {
  display: block;
  visibility: hidden;
  opacity: 0;
}

.about-evolution__loader-orbit,
.about-evolution__loader-ring {
  position: absolute;
  border-radius: 50%;
}

.about-evolution__loader-orbit {
  inset: 8px;
  border: 1px solid rgba(212,255,72,.18);
  border-top-color: #d4ff48;
  border-right-color: rgba(212,255,72,.7);
  box-shadow: 0 0 9px rgba(182,255,58,.18);
  animation: about-evolution-loader-spin 1.15s linear infinite;
}

.about-evolution__loader-orbit::after {
  content: "";
  position: absolute;
  top: 1px;
  right: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #d4ff48;
  box-shadow: 0 0 8px #b6ff3a;
}

.about-evolution__loader-ring {
  inset: 17px;
  border: 2px solid transparent;
  border-bottom-color: rgba(255,255,255,.82);
  border-left-color: rgba(212,255,72,.72);
  animation: about-evolution-loader-spin-reverse .78s linear infinite;
}

.about-evolution__loader-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -53%) rotate(45deg);
  color: #d4ff48;
  font-family: var(--font-sans), sans-serif;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 0 10px rgba(182,255,58,.72);
  animation: about-evolution-loader-pulse 1.15s ease-in-out infinite;
}

@keyframes about-evolution-loader-spin {
  to { transform: rotate(1turn); }
}

@keyframes about-evolution-loader-spin-reverse {
  to { transform: rotate(-1turn); }
}

@keyframes about-evolution-loader-pulse {
  0%, 100% { opacity: .58; }
  50% { opacity: 1; }
}

.about-evolution__halo {
  z-index: 0;
  position: absolute;
  inset: -9%;
  border: 1px solid rgba(182,255,58,.55);
  border-radius: 50%;
  opacity: 0;
  transform: rotate(calc(var(--strength) * 28deg)) scale(.92);
  background:
    radial-gradient(circle, transparent 54%, rgba(182,255,58,.15) 54.4% 55.4%, transparent 55.8%),
    conic-gradient(transparent, rgba(182,255,58,.22), transparent 18% 32%, rgba(182,255,58,.17), transparent 52% 74%, rgba(182,255,58,.2), transparent);
  transition: opacity .5s ease, transform .7s ease;
}

.about-evolution[data-stage="5"] .about-evolution__halo {
  opacity: .82;
  transform: rotate(calc(var(--strength) * 28deg)) scale(1);
}

.about-evolution__scan {
  z-index: 2;
  position: absolute;
  inset: 0;
  opacity: calc(.15 - var(--strength) * .08);
  background:
    linear-gradient(90deg, transparent 49.88%, rgba(255,255,255,.15) 50%, transparent 50.12%),
    linear-gradient(transparent 49.88%, rgba(255,255,255,.11) 50%, transparent 50.12%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.about-evolution__corner {
  z-index: 5;
  position: absolute;
  width: 19px;
  height: 19px;
  opacity: .72;
  border-color: currentColor;
}

.about-evolution__corner--tl { top: -7px; left: -7px; border-top: 2px solid; border-left: 2px solid; }
.about-evolution__corner--tr { top: -7px; right: -7px; border-top: 2px solid; border-right: 2px solid; }
.about-evolution__corner--bl { bottom: -7px; left: -7px; border-bottom: 2px solid; border-left: 2px solid; }
.about-evolution__corner--br { right: -7px; bottom: -7px; border-right: 2px solid; border-bottom: 2px solid; }

.about-evolution__load {
  z-index: 7;
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: #f4f1e8;
  background: rgba(23,24,22,.9);
  font-family: var(--font-mono), SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .08em;
  text-align: center;
}

.about-evolution__load[hidden] { display: none; }
.about-evolution__load.is-error { color: #fff1ef; background: rgba(126,30,25,.93); }

.about-evolution__stage-readout {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  width: min(47svh, 510px, 72vw);
  margin-top: 12px;
}

.about-evolution__stage-readout > span {
  color: var(--evolution-muted);
  font-family: var(--font-mono), SFMono-Regular, Consolas, monospace;
  font-size: 8px;
  line-height: 1.3;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.about-evolution__stage-index { text-align: right; }

.about-evolution__stage {
  min-width: 3.5em;
  margin: 0;
  color: inherit;
  font-family: "Songti SC", "STSong", Georgia, serif;
  font-size: clamp(36px, 5svh, 54px);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.08em;
  text-align: center;
  text-shadow: 0 0 calc(var(--strength) * 24px) rgba(182,255,58,.46);
}

.about-evolution[data-stage="5"] .about-evolution__stage { color: #d4ff6a; }

.about-evolution__controls {
  z-index: 10;
  position: relative;
  width: min(860px, 100%);
  margin: 8px auto 0;
}

.about-evolution__status {
  margin: 0 0 7px;
  color: var(--evolution-muted);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .08em;
  text-align: center;
}

.about-evolution__range-wrap {
  position: relative;
  height: 48px;
}

.about-evolution__ticks {
  position: absolute;
  top: 12px;
  right: var(--rail-inset);
  left: var(--rail-inset);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 24px;
  pointer-events: none;
}

.about-evolution__ticks i {
  display: block;
  width: 1px;
  height: 7px;
  opacity: .2;
  background: currentColor;
  transition: height .12s ease, opacity .12s ease, background .12s ease;
}

.about-evolution__ticks i:nth-child(6n+1) { height: 18px; opacity: .5; }
.about-evolution__ticks i.is-active { height: 13px; opacity: .95; background: var(--evolution-accent); }
.about-evolution__ticks i.is-active:nth-child(6n+1) { height: 24px; }

.about-evolution__slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 48px;
  margin: 0;
  appearance: none;
  touch-action: pan-y;
  cursor: ew-resize;
  background: transparent;
}

.about-evolution__slider:disabled { cursor: wait; }
.about-evolution__slider::-webkit-slider-runnable-track { height: 1px; background: color-mix(in srgb, currentColor 25%, transparent); }
.about-evolution__slider::-webkit-slider-thumb {
  width: 26px;
  height: 26px;
  margin-top: -13px;
  appearance: none;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: radial-gradient(circle, var(--evolution-accent) 0 3px, transparent 3.5px), var(--evolution-thumb);
  box-shadow: 0 5px 18px rgba(0,0,0,.22);
}
.about-evolution__slider::-moz-range-track { height: 1px; background: color-mix(in srgb, currentColor 25%, transparent); }
.about-evolution__slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: var(--evolution-accent);
  box-shadow: 0 5px 18px rgba(0,0,0,.22);
}
.about-evolution__slider:focus-visible { outline: 2px solid var(--evolution-accent); outline-offset: 3px; }

.about-evolution__markers {
  display: flex;
  justify-content: space-between;
  margin: -2px 0 0;
  padding: 0 var(--rail-inset);
  list-style: none;
}

.about-evolution__markers li {
  width: 0;
  transform: translateX(-50%);
  color: var(--evolution-muted);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: .05em;
  text-align: center;
  white-space: nowrap;
  transition: color .14s ease, transform .14s ease;
}

.about-evolution__markers li.is-passed { color: color-mix(in srgb, var(--evolution-accent) 70%, currentColor); }
.about-evolution__markers li.is-current { transform: translate(-50%, -2px); color: currentColor; font-weight: 700; }

.about-evolution__hint {
  margin: 9px 0 0;
  color: var(--evolution-muted);
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: .1em;
  text-align: center;
}

.about-evolution__hint span { display: inline-block; margin: 0 7px; }

.about-evolution__continue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  width: max-content;
  max-width: 100%;
  margin: 8px auto 0;
  padding: 4px 12px 0;
  color: #a8df00;
  font-size: 10px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: .14em;
  text-align: center;
  text-transform: uppercase;
  text-shadow: 0 0 16px rgba(182,255,58,.36);
  transition: color .2s ease, text-shadow .2s ease, transform .2s ease;
}

.about-evolution__continue-arrow {
  display: block;
  color: currentColor;
  font-family: var(--font-sans), sans-serif;
  font-size: 21px;
  font-weight: 900;
  line-height: .9;
  filter: drop-shadow(0 0 7px rgba(182,255,58,.48));
  animation: about-evolution-arrow 1.15s ease-in-out infinite;
}

.about-evolution[data-stage="3"] .about-evolution__continue,
.about-evolution[data-stage="4"] .about-evolution__continue,
.about-evolution[data-stage="5"] .about-evolution__continue {
  color: #d4ff48;
}

.about-evolution__continue:hover {
  color: #d4ff48;
  text-shadow: 0 0 18px rgba(182,255,58,.55);
  transform: translateY(2px);
}

@keyframes about-evolution-arrow {
  0%, 100% { transform: translateY(-2px); }
  50% { transform: translateY(5px); }
}

.about-story {
  scroll-margin-top: calc(var(--nav-h, 64px) + 22px);
  padding-top: clamp(54px, 7vw, 92px) !important;
}

@media (max-width: 700px) {
  .about-evolution {
    grid-template-rows: auto minmax(330px, 1fr) auto;
    min-height: calc(100svh - var(--nav-h, 64px));
    padding: 20px 18px 16px;
  }
  .about-evolution__masthead { gap: 18px; }
  .about-evolution__eyebrow { max-width: 190px; font-size: 8px; }
  .about-evolution__masthead h1 { font-size: clamp(32px, 9.8vw, 46px); }
  .about-evolution__intro { max-width: 270px; margin-top: 8px; font-size: 12px; }
  .about-evolution__meter { min-width: 78px; }
  .about-evolution__meter span { font-size: 7px; }
  .about-evolution__portrait,
  .about-evolution__stage-readout { width: min(76vw, 43svh, 410px); }
  .about-evolution__stage-readout > span { font-size: 7px; }
  .about-evolution__stage { font-size: clamp(34px, 9vw, 46px); }
  .about-evolution__controls { margin-top: 6px; }
  .about-evolution__markers li { font-size: 8px; letter-spacing: 0; }
  .about-evolution__hint { font-size: 8px; letter-spacing: .04em; }
  .about-evolution__continue { margin-top: 7px; }
  .about-evolution__loader { width: 66px; height: 66px; }
  .about-evolution__loader-orbit { inset: 7px; }
  .about-evolution__loader-ring { inset: 15px; }
  .about-evolution__loader-core { font-size: 19px; }
}

@media (max-height: 760px) and (min-width: 701px) {
  .about-evolution { grid-template-rows: auto minmax(290px, 1fr) auto; padding-top: 20px; }
  .about-evolution__portrait,
  .about-evolution__stage-readout { width: min(39svh, 400px, 68vw); }
  .about-evolution__stage { font-size: 34px; }
  .about-evolution__hint,
  .about-evolution__continue { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .about-evolution,
  .about-evolution::before,
  .about-evolution__halo,
  .about-evolution__ghost { transition: none !important; }
  .about-evolution__continue-arrow { animation: none; }
  .about-evolution__loader-orbit,
  .about-evolution__loader-ring,
  .about-evolution__loader-core { animation: none; }
}