:root {
  --entry-size: clamp(156px, 16vw, 208px);
  --entry-pointer-x: 0;
  --entry-pointer-y: 0;
  --scene-dim: 0;
  --type-alpha: 1;
  --hand-alpha: 1;
  --bg-x: 0;
  --bg-y: 0;
  --bg-scale: 1.015;
  --bg-brightness: 0.96;
  --bg-saturation: 0.98;
  --hand-x: 0;
  --hand-y: 0;
  --hand-z: 0;
  --hand-rz: 0;
  --hand-scale: 1;
}

body.is-entry-locked {
  height: 100svh;
  overflow: hidden;
  overscroll-behavior: none;
}

.entry-gate {
  position: fixed;
  z-index: 800;
  inset: 0;
  display: grid;
  place-items: center;
  min-height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(14, 49, 82, 0.3), transparent 24%),
    radial-gradient(circle at 50% 50%, #06111f 0, #02060d 42%, #000207 100%);
  transition: background-color 900ms ease, opacity 320ms ease;
}

.entry-gate::before,
.entry-gate::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  pointer-events: none;
}

.entry-gate::before {
  width: min(62vw, 720px);
  aspect-ratio: 1;
  border: 1px solid rgba(104, 188, 236, 0.07);
  box-shadow:
    inset 0 0 90px rgba(21, 142, 220, 0.035),
    0 0 120px rgba(0, 42, 83, 0.12);
  transform: translate(-50%, -50%);
  transition: opacity 700ms ease, transform 1100ms cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate::after {
  width: 1px;
  height: 1px;
  box-shadow: 0 0 150px 64px rgba(24, 178, 255, 0.16);
  opacity: 0.62;
  transform: translate(-50%, -50%);
  transition: opacity 700ms ease, box-shadow 900ms ease;
}

.entry-gate__button {
  position: relative;
  z-index: 2;
  width: var(--entry-size);
  height: calc(var(--entry-size) + 58px);
  padding: 0;
  color: rgba(240, 248, 253, 0.92);
  background: transparent;
  cursor: pointer;
  touch-action: manipulation;
  transform: translate3d(0, 0, 0);
  transition: transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate__button::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 6px;
  width: calc(var(--entry-size) - 12px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 42%, transparent 48%, rgba(2, 8, 15, 0.18) 69%, rgba(0, 2, 8, 0.78) 100%),
    rgba(1, 8, 15, 0.42);
  box-shadow:
    0 26px 64px rgba(0, 0, 0, 0.58),
    inset 0 0 0 1px rgba(151, 218, 250, 0.12);
  transition: box-shadow 400ms ease, transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate__portrait,
.entry-gate__ring {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--entry-size);
  aspect-ratio: 1;
  border-radius: 50%;
}

.entry-gate__portrait {
  z-index: 2;
  inset: 14px auto auto 14px;
  width: calc(var(--entry-size) - 28px);
  overflow: hidden;
  border: 1px solid rgba(198, 231, 247, 0.28);
  background: #edf4f8;
  box-shadow:
    inset 0 0 0 6px rgba(1, 7, 14, 0.72),
    inset 0 0 42px rgba(0, 73, 124, 0.18),
    0 0 0 1px rgba(11, 166, 240, 0.16);
  transform: translate3d(
    calc(var(--entry-pointer-x) * 4px),
    calc(var(--entry-pointer-y) * 4px),
    0
  );
  transition: transform 360ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 360ms ease;
}

.entry-gate__portrait::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.22), transparent 34%),
    radial-gradient(circle at 50% 68%, transparent 42%, rgba(1, 8, 16, 0.3) 100%);
  pointer-events: none;
}

.entry-gate__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
  filter: saturate(0.88) contrast(1.08) brightness(0.96);
  transform: scale(0.94);
  transition: filter 360ms ease, transform 520ms cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  -webkit-user-drag: none;
}

.entry-gate__ring {
  z-index: 3;
  pointer-events: none;
}

.entry-gate__ring--outer {
  inset: -8px auto auto -8px;
  width: calc(var(--entry-size) + 16px);
  background: conic-gradient(
    from 18deg,
    transparent 0 9%,
    rgba(72, 199, 255, 0.9) 9.5% 18%,
    transparent 18.5% 51%,
    rgba(216, 242, 252, 0.52) 51.5% 59%,
    transparent 59.5% 84%,
    rgba(36, 135, 224, 0.7) 84.5% 94%,
    transparent 94.5%
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 1px));
  animation: entry-orbit 15s linear infinite;
}

.entry-gate__ring--inner {
  inset: 7px auto auto 7px;
  width: calc(var(--entry-size) - 14px);
  background: conic-gradient(
    from 218deg,
    rgba(73, 182, 239, 0.12),
    rgba(73, 182, 239, 0.76) 12%,
    transparent 12.5% 46%,
    rgba(232, 248, 255, 0.48) 46.5% 53%,
    transparent 53.5% 88%,
    rgba(52, 204, 255, 0.65) 88.5%,
    rgba(73, 182, 239, 0.12)
  );
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1px), #000 100%);
  mask: radial-gradient(farthest-side, transparent calc(100% - 1px), #000 100%);
  animation: entry-orbit 10s linear infinite reverse;
}

.entry-gate__label {
  position: absolute;
  top: calc(var(--entry-size) + 28px);
  left: 50%;
  min-width: 92px;
  color: rgba(219, 235, 245, 0.82);
  font-size: 14px;
  font-weight: 620;
  letter-spacing: 0.02em;
  text-align: center;
  transform: translateX(-50%);
  transition: color 240ms ease, transform 420ms cubic-bezier(0.16, 1, 0.3, 1);
}

.entry-gate__button:hover,
.entry-gate__button:focus-visible {
  transform: translateY(-4px) scale(1.015);
}

.entry-gate__button:hover::before,
.entry-gate__button:focus-visible::before {
  box-shadow:
    0 32px 76px rgba(0, 0, 0, 0.64),
    0 0 54px rgba(35, 160, 229, 0.18),
    inset 0 0 0 1px rgba(151, 218, 250, 0.18);
  transform: scale(1.018);
}

.entry-gate__button:hover .entry-gate__portrait,
.entry-gate__button:focus-visible .entry-gate__portrait {
  box-shadow:
    inset 0 0 0 6px rgba(1, 7, 14, 0.66),
    inset 0 0 48px rgba(0, 86, 144, 0.16),
    0 0 0 1px rgba(31, 187, 255, 0.28),
    0 0 38px rgba(29, 177, 246, 0.12);
}

.entry-gate__button:hover .entry-gate__portrait img,
.entry-gate__button:focus-visible .entry-gate__portrait img {
  filter: saturate(0.98) contrast(1.09) brightness(1);
  transform: scale(0.975);
}

.entry-gate__button:hover .entry-gate__label,
.entry-gate__button:focus-visible .entry-gate__label {
  color: #f4fbff;
  transform: translate(-50%, 3px);
}

@keyframes entry-orbit {
  to { transform: rotate(1turn); }
}

.site-chrome {
  opacity: 0;
  transform: translateY(-12px);
  transition: opacity 520ms ease, transform 720ms cubic-bezier(0.16, 1, 0.3, 1);
}

body.is-entering .site-chrome,
body.has-entered .site-chrome {
  opacity: 1;
  transform: translateY(0);
}

body.is-entering .site-chrome {
  transition-delay: 820ms;
}

body.is-entering .entry-gate {
  background: transparent;
  pointer-events: none;
}

body.is-entering .entry-gate::before {
  opacity: 0;
  transform: translate(-50%, -50%) scale(2.8);
}

body.is-entering .entry-gate::after {
  opacity: 0;
  box-shadow: 0 0 220px 120px rgba(24, 178, 255, 0.12);
}

body.is-entering .entry-gate__button {
  animation: entry-button-release 920ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes entry-button-release {
  0% { opacity: 1; transform: scale(1); }
  28% { opacity: 1; transform: scale(1.08); }
  100% { opacity: 0; transform: scale(0.72); }
}

.hero-scroll {
  height: 340svh;
  min-height: 2240px;
}

.hero-stage {
  perspective: 1400px;
}

.hero-art {
  clip-path: circle(0 at 50% 50%);
  transform-origin: center;
  will-change: clip-path, filter;
}

body.is-entering .hero-art {
  animation: hero-aperture-open 1320ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

body.has-entered .hero-art {
  clip-path: circle(150vmax at 50% 50%);
}

@keyframes hero-aperture-open {
  0% { clip-path: circle(0 at 50% 50%); }
  36% { clip-path: circle(13vmax at 50% 50%); }
  100% { clip-path: circle(150vmax at 50% 50%); }
}

.hero-bg {
  z-index: 0;
  object-position: center;
  filter: saturate(var(--bg-saturation)) brightness(var(--bg-brightness));
  transform:
    translate3d(calc(var(--bg-x) * 1px), calc(var(--bg-y) * 1px), -18px)
    scale(var(--bg-scale));
  transition: filter 80ms linear;
  will-change: transform, filter;
}

.hero-type-layer,
.hero-hand-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  will-change: opacity, transform;
}

.hero-type-layer {
  z-index: 2;
}

.hero-type-layer .hero-text {
  opacity: var(--type-alpha);
  object-fit: contain;
  object-position: center;
}

.hero-type-layer--left {
  transform: translate3d(-3vw, 2vh, 0) scale(0.98);
}

.hero-type-layer--right {
  transform: translate3d(3vw, 2vh, 0) scale(0.98);
}

.hero-hand-layer {
  z-index: 3;
  transform: translate3d(0, 34vh, 0) rotate(-4deg) scale(0.88);
  transform-origin: 72% 100%;
}

.hero-hand {
  position: absolute;
  right: clamp(24px, 5vw, 96px);
  bottom: -20svh;
  width: min(61vw, 90svh, 980px);
  height: auto;
  max-width: none;
  opacity: var(--hand-alpha);
  object-fit: contain;
  filter:
    drop-shadow(0 38px 42px rgba(0, 0, 0, 0.52))
    drop-shadow(0 0 22px rgba(0, 157, 255, 0.08));
  transform:
    perspective(1200px)
    translate3d(calc(var(--hand-x) * 1px), calc(var(--hand-y) * 1px), calc(var(--hand-z) * 1px))
    rotateZ(calc(var(--hand-rz) * 1deg))
    scale(var(--hand-scale));
  transform-origin: 58% 76%;
  will-change: transform, opacity;
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

body.is-entering .hero-type-layer--left {
  animation: hero-left-arrive 900ms cubic-bezier(0.16, 1, 0.3, 1) 430ms forwards;
}

body.is-entering .hero-type-layer--right {
  animation: hero-right-arrive 940ms cubic-bezier(0.16, 1, 0.3, 1) 540ms forwards;
}

body.is-entering .hero-hand-layer {
  animation: hero-hand-arrive 1050ms cubic-bezier(0.18, 1, 0.22, 1) 330ms forwards;
}

body.has-entered .hero-type-layer,
body.has-entered .hero-hand-layer {
  opacity: 1;
  transform: none;
}

@keyframes hero-left-arrive {
  0% { opacity: 0; transform: translate3d(-4vw, 2.5vh, 0) scale(0.97); }
  100% { opacity: 1; transform: none; }
}

@keyframes hero-right-arrive {
  0% { opacity: 0; transform: translate3d(4vw, 3vh, 0) scale(0.965); }
  100% { opacity: 1; transform: none; }
}

@keyframes hero-hand-arrive {
  0% { opacity: 0; transform: translate3d(0, 34vh, 0) rotate(-4deg) scale(0.88); }
  66% { opacity: 1; transform: translate3d(0, -1.8vh, 0) rotate(0.8deg) scale(1.018); }
  82% { opacity: 1; transform: translate3d(0, 0.7vh, 0) rotate(-0.22deg) scale(0.996); }
  100% { opacity: 1; transform: none; }
}

.hero-vignette {
  background:
    linear-gradient(180deg, rgba(0, 4, 10, 0.38), transparent 20%, transparent 70%, rgba(0, 2, 7, 0.78)),
    radial-gradient(ellipse at 52% 46%, transparent 34%, rgba(0, 3, 9, 0.64) 100%);
}

.hero-atmosphere {
  position: absolute;
  z-index: 6;
  inset: 0;
  opacity: var(--scene-dim);
  background:
    radial-gradient(circle at 50% 48%, rgba(4, 17, 30, 0.2), rgba(0, 3, 8, 0.8) 72%),
    rgba(0, 3, 8, 0.36);
  pointer-events: none;
  will-change: opacity;
}

.hero-copy {
  top: 52%;
  bottom: auto;
  left: 50%;
  width: min(720px, 88vw);
  transform:
    translate3d(-50%, calc(-50% + var(--welcome-y, 24) * 1px), 0)
    scale(var(--welcome-scale, 0.98));
  text-align: center;
  will-change: opacity, transform, filter;
  filter: blur(calc(var(--welcome-blur, 0) * 1px));
}

/* EIL's mark (the user's own logo) sits above the welcome line */
.hero-copy__mark {
  display: block;
  width: clamp(76px, 7.4vw, 122px);
  height: auto;
  margin: 0 auto clamp(10px, 1.4vw, 20px);
  opacity: 0.94;
  filter: drop-shadow(0 14px 34px rgba(0, 0, 0, 0.6));
  user-select: none;
}

.hero-copy h1 {
  font-size: clamp(54px, 8vw, 118px);
  font-weight: 660;
  letter-spacing: -0.055em;
  text-shadow: 0 18px 60px rgba(0, 0, 0, 0.62);
}

.hero-copy > p:last-child {
  margin-top: 22px;
  color: rgba(218, 232, 241, 0.78);
  font-size: clamp(15px, 1.4vw, 19px);
  font-weight: 430;
  letter-spacing: 0;
}

@media (max-width: 820px) {
  :root {
    --entry-size: clamp(148px, 42vw, 184px);
  }

  .entry-gate::before {
    width: 118vw;
  }

  .hero-scroll {
    height: 310svh;
    min-height: 1940px;
  }

  .hero-bg {
    object-position: 57% center;
  }

  .hero-hand {
    right: -22vw;
    bottom: -9svh;
    width: 122vw;
  }

  .hero-copy {
    top: 53%;
    bottom: auto;
    width: 90vw;
  }

  .hero-copy h1 {
    font-size: clamp(52px, 17vw, 82px);
  }

  .hero-copy > p:last-child {
    margin-top: 16px;
    font-size: 15px;
  }
}

@media (max-height: 650px) and (orientation: landscape) {
  :root {
    --entry-size: 132px;
  }

  .entry-gate__label {
    top: calc(var(--entry-size) + 18px);
  }

  .hero-hand {
    bottom: -42svh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .entry-gate__ring,
  .entry-gate__button,
  .hero-type-layer,
  .hero-hand-layer,
  .hero-art {
    animation: none !important;
  }

  .hero-art {
    clip-path: none;
  }

  .hero-type-layer,
  .hero-hand-layer {
    opacity: 1;
    transform: none;
  }

  .hero-scroll {
    height: 100svh;
    min-height: 620px;
  }

  .hero-bg,
  .hero-text,
  .hero-hand {
    transform: none !important;
  }

  .hero-copy {
    display: none;
  }
}