.research-screen {
  position: fixed;
  inset: 0;
  z-index: 6;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.9s var(--ease-standard),
    visibility 0.9s var(--ease-standard);
}

.research-screen.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.research-screen__bg,
.research-screen__stars {
  position: absolute;
  inset: 0;
}

.research-screen__bg {
  overflow: hidden;
}

.research-screen__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.26));
}

.research-screen__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.research-screen__stars {
  background-image:
    radial-gradient(2px 2px at 8% 20%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 16% 34%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(2px 2px at 72% 18%, rgba(255, 255, 255, 0.65), transparent),
    radial-gradient(1px 1px at 82% 62%, rgba(255, 255, 255, 0.66), transparent),
    radial-gradient(1.5px 1.5px at 60% 80%, rgba(255, 255, 255, 0.54), transparent);
  opacity: 0.46;
}

.research-screen__content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 7.5rem 5rem 5rem;
}

.research-panel {
  position: absolute;
  left: 4rem;
  top: calc(8rem + 75px);
  width: 21rem;
  color: #f6f4ef;
}

.research-panel__name {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.research-panel__title {
  margin: 0.3rem 0 0;
  font-family: var(--font-display);
  font-size: 2.2rem;
  line-height: 1;
}

.research-panel__subtitle {
  margin: 0.8rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: rgba(246, 244, 239, 0.64);
}

.research-progress {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2rem;
}

.research-progress__shell {
  position: relative;
  display: grid;
  place-items: center;
  width: 188px;
  height: 188px;
}

.research-progress__shell::before,
.research-progress__shell::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  inset: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.research-progress__shell::after {
  inset: 0;
  border-color: rgba(255, 255, 255, 0.04);
}

.research-progress__grid {
  --circle-size: 32px;
  --gap: 4px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

.research-progress__row {
  display: flex;
  justify-content: center;
  gap: var(--gap);
}

.dot {
  width: var(--circle-size);
  height: var(--circle-size);
  border-radius: 50%;
  border: 2px solid #555;
  background: transparent;
  transform: scale(1);
}

.research-progress__grid.is-animating .dot {
  animation: researchDotFill 0.72s cubic-bezier(0.22, 1.35, 0.36, 1) forwards;
  animation-delay: var(--delay);
}

.ring-0 {
  --delay: 0s;
}

.ring-1 {
  --delay: 0.15s;
}

.ring-2 {
  --delay: 0.3s;
}

.research-progress__text {
  display: flex;
  flex-direction: column;
}

.research-progress__label {
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: rgba(246, 244, 239, 0.66);
}

.research-progress__value {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: #ff8c00;
}

.research-panel__quote {
  margin: 2rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid rgba(255, 140, 0, 0.38);
  font-size: 0.95rem;
  line-height: 1.9;
  color: rgba(246, 244, 239, 0.76);
}

.research-panel__button {
  margin-top: 2rem;
  padding: 1rem 1.3rem;
  border: 1px solid rgba(255, 140, 0, 0.3);
  background: linear-gradient(90deg, rgba(255, 140, 0, 0.96), rgba(255, 166, 44, 0.96));
  color: #121212;
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  font-weight: 700;
  cursor: pointer;
}

.research-info {
  position: absolute;
  right: 16rem;
  bottom: 7rem;
  width: 23rem;
  padding: 1rem 1.1rem 1.1rem;
  color: #9be8f0;
  border: 1px solid rgba(155, 232, 240, 0.12);
  border-radius: 1rem;
  background: rgba(10, 18, 22, 0.22);
  backdrop-filter: blur(16px);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.research-info.is-refreshing {
  animation: researchInfoSwap 0.3s var(--ease-standard);
}

.research-info__switcher {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.research-info__switch {
  border: 1px solid rgba(155, 232, 240, 0.16);
  background: rgba(8, 18, 22, 0.22);
  color: rgba(155, 232, 240, 0.62);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
}

.research-info__switch.is-active {
  color: #ff8c00;
  border-color: rgba(255, 140, 0, 0.38);
}

.research-info__status {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: 0.14em;
  color: #ff8c00;
}

.research-info__title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  line-height: 1.15;
  color: rgba(246, 244, 239, 0.95);
}

.research-info__subtitle {
  margin: 0.55rem 0 0;
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: rgba(155, 232, 240, 0.84);
}

.research-info__copy {
  margin: 0.9rem 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: rgba(155, 232, 240, 0.88);
}

.research-info__link {
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  color: rgba(246, 244, 239, 0.86);
  text-decoration: none;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.research-screen .side-nav--light {
  position: absolute;
  right: 5rem;
  top: 50%;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  padding: 1.25rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.1rem;
  background: rgba(18, 24, 30, 0.24);
  backdrop-filter: blur(16px);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(-50%) translateX(24px);
}

.research-screen.is-visible .side-nav--light {
  animation: researchNavIn 0.75s 0.34s var(--ease-standard) forwards;
}

.research-screen .side-nav--light .side-nav__item {
  text-align: right;
}

@keyframes researchNavIn {
  to {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }
}

@keyframes researchInfoSwap {
  0% {
    opacity: 0.5;
    transform: translateY(10px);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes researchDotFill {
  0% {
    background: transparent;
    border-color: #555;
    box-shadow: none;
    transform: scale(0);
  }

  72% {
    background: #fff;
    border-color: #fff;
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.34);
    transform: scale(1.1);
  }

  100% {
    background: #fff;
    border-color: #fff;
    box-shadow: 0 0 14px rgba(255, 255, 255, 0.34);
    transform: scale(1);
  }
}

.research-screen .brand-mark--light {
  top: calc(3.8rem);
}

@media (max-width: 980px) {
  .research-screen .brand-mark--light {
    top: calc(2rem + 20px);
  }
}

@media (max-width: 1180px) {
  .research-panel {
    left: 2rem;
    top: calc(8rem + 40px);
    width: 18rem;
  }

  .research-info {
    right: 10rem;
    width: 20rem;
  }

  .research-screen .side-nav--light {
    right: 2rem;
  }
}

@media (max-width: 980px) {
  .research-screen .side-nav--light {
    right: 1.5rem;
  }
}
