.headquarters-screen {
  position: fixed;
  inset: 0;
  z-index: 9;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.9s var(--ease-standard),
    visibility 0.9s var(--ease-standard);
}

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

.headquarters-screen__bg,
.headquarters-screen__veil {
  position: absolute;
  inset: 0;
}

.headquarters-screen__bg {
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.34), rgba(0, 0, 0, 0.06) 42%, rgba(0, 0, 0, 0.22) 100%),
    url("../../assets/images/backgrounds/headquarters_bg.jpg") center / cover no-repeat;
  transform: scale(1);
  transition: transform 1.2s var(--ease-standard);
}

.headquarters-screen__veil {
  background:
    radial-gradient(circle at 28% 48%, rgba(255, 255, 255, 0.14), transparent 22%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.08), rgba(5, 5, 5, 0.28));
}

.brand-mark--light,
.screen-footer--light {
  color: #f6f4ef;
}

.brand-mark--light .brand-mark__meta {
  color: rgba(246, 244, 239, 0.7);
}

.headquarters-screen__content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 480px) 240px;
  justify-content: space-between;
  align-items: center;
  padding: 8rem clamp(2rem, 5vw, 5rem) 5rem;
}

.headquarters-copy {
  max-width: 30rem;
  opacity: 0;
  transform: translateY(36px);
}

.headquarters-screen.is-visible .headquarters-copy {
  animation: headquartersLift 0.9s 0.18s var(--ease-standard) forwards;
}

.headquarters-copy__eyebrow {
  margin: 0 0 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.28em;
  color: rgba(246, 244, 239, 0.68);
}

.headquarters-copy__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.94;
  letter-spacing: 0.04em;
}

.headquarters-copy__summary {
  max-width: 26rem;
  margin: 1.35rem 0 0;
  font-size: 1rem;
  line-height: 1.9;
  color: rgba(246, 244, 239, 0.76);
}

.headquarters-copy__status {
  display: inline-flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 2rem;
  padding: 0.95rem 1rem;
  border-left: 2px solid rgba(255, 140, 0, 0.7);
  background: rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(6px);
}

.headquarters-copy__status-label {
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: rgba(246, 244, 239, 0.56);
}

.headquarters-copy__status-value {
  font-size: 0.92rem;
  letter-spacing: 0.18em;
  color: #ffb14d;
}

.headquarters-copy__status-online {
  color: #9ed8ad;
  text-shadow: 0 0 18px rgba(158, 216, 173, 0.34);
}

.headquarters-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.95rem;
  margin-top: 2.35rem;
}

.command-button {
  min-width: 18rem;
  padding: 1rem 1.4rem;
  border: 1px solid rgba(255, 140, 0, 0.32);
  background:
    linear-gradient(90deg, rgba(255, 140, 0, 0.96), rgba(255, 160, 36, 0.96));
  color: #101010;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  cursor: pointer;
  transition:
    transform 0.45s var(--ease-standard),
    box-shadow 0.45s var(--ease-standard),
    filter 0.45s var(--ease-standard);
}

.command-button:hover,
.command-button:focus-visible {
  transform: translateY(-2px);
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.22),
    0 0 26px rgba(255, 140, 0, 0.24);
  filter: saturate(1.05);
}

.headquarters-actions__fallback {
  color: rgba(246, 244, 239, 0.72);
  text-decoration: none;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  transition:
    color 0.35s var(--ease-standard),
    transform 0.35s var(--ease-standard);
}

.headquarters-actions__fallback:hover,
.headquarters-actions__fallback:focus-visible {
  color: #ffb14d;
  transform: translateX(4px);
}

.side-nav--light {
  position: relative;
  z-index: 1;
  justify-self: end;
  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: translateX(24px);
}

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

.side-nav--light .side-nav__item {
  display: block;
  color: rgba(246, 244, 239, 0.62);
  text-align: right;
}

.side-nav--light .side-nav__item:hover,
.side-nav--light .side-nav__item:focus-visible {
  color: #ffffff;
}

.side-nav--light .side-nav__item--active {
  color: #ffb14d;
}

.headquarters-screen.is-transitioning .headquarters-screen__bg {
  transform: scale(1.12);
}

.headquarters-screen.is-transitioning::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  animation: headquartersFade 1s var(--ease-standard) forwards;
}

@keyframes headquartersLift {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes headquartersNavIn {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes headquartersFade {
  to {
    background: rgba(255, 255, 255, 0.94);
  }
}

@media (max-width: 960px) {
  .headquarters-screen__content {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 9rem;
  }

  .side-nav--light {
    justify-self: start;
    align-self: start;
  }
}

@media (max-width: 640px) {
  .command-button {
    min-width: 100%;
  }
}