:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  --color-bg: #050709;
  --color-surface: #0a0d0f;
  --color-text: #f7f2e8;
  --color-text-muted: #a7a39a;
  --color-text-faint: #6f6d67;
  --color-primary: #f5c451;
  --color-deep-gold: #8a5a00;

  --font-body: "Satoshi", "Helvetica Neue", sans-serif;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html,
body {
  overflow: hidden;
  background: var(--color-bg);
}

body {
  position: relative;
}

.skip-link {
  position: fixed;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  color: var(--color-bg);
  background: var(--color-primary);
  font-size: var(--text-sm);
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform var(--transition-interactive);
}

.skip-link:focus {
  transform: translateY(0);
}

.intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  overflow: hidden;
  background: var(--color-bg);
  opacity: 1;
  visibility: visible;
  transition:
    opacity 700ms var(--ease-out),
    visibility 0s linear 700ms;
}

.intro.is-complete {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hold {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100%;
  min-height: 100dvh;
  overflow: hidden;
  padding:
    max(var(--space-6), env(safe-area-inset-top))
    clamp(var(--space-5), 4vw, var(--space-16))
    max(var(--space-6), env(safe-area-inset-bottom));
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 1100ms var(--ease-out),
    visibility 0s linear 1100ms;
}

.hold.is-visible {
  opacity: 1;
  visibility: visible;
}

.hold__atmosphere {
  position: absolute;
  inset: -4%;
  z-index: -2;
  background:
    linear-gradient(
      to bottom,
      rgba(5, 7, 9, 0.2) 0%,
      rgba(5, 7, 9, 0.02) 42%,
      rgba(5, 7, 9, 0.72) 100%
    ),
    url("./assets/starfield.png") center 44% / cover no-repeat;
  filter: saturate(0.72) brightness(0.65);
  transform: scale(1.04);
  animation: atmosphere-settle 2200ms var(--ease-out) both;
}

.hold::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse at 50% 50%,
      rgba(245, 196, 81, 0.07) 0%,
      rgba(5, 7, 9, 0) 37%
    ),
    linear-gradient(
      90deg,
      rgba(5, 7, 9, 0.32) 0%,
      transparent 25%,
      transparent 75%,
      rgba(5, 7, 9, 0.32) 100%
    );
}

.masthead {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 3rem;
  opacity: 0;
  clip-path: inset(0 50% 0 50%);
}

.hold.is-visible .masthead {
  animation: title-reveal 1000ms 260ms var(--ease-out) forwards;
}

.tagline {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.4;
  text-transform: uppercase;
  text-align: center;
}

.brand {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  align-items: center;
  justify-items: center;
  min-height: 0;
  padding-block: var(--space-2) var(--space-6);
}

.gateway {
  position: relative;
  display: grid;
  place-items: center;
  height: min(59vh, 46rem);
  width: min(100%, 36rem);
  opacity: 0;
  transform: scale(0.96);
}

.hold.is-visible .gateway {
  animation: gateway-settle 1400ms 80ms var(--ease-out) forwards;
}

.gateway__image {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0 1.5rem rgba(245, 196, 81, 0.12));
}

.gateway__halo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 36%;
  height: 62%;
  transform: translate(-50%, -50%);
  background: rgba(245, 196, 81, 0.12);
  filter: blur(3rem);
}

.brand__lockup {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  margin-top: calc(var(--space-4) * -1);
  opacity: 0;
}

.hold.is-visible .brand__lockup {
  animation: lockup-reveal 1000ms 520ms var(--ease-out) forwards;
}

h1 {
  color: var(--color-text);
  font-size: var(--text-2xl);
  font-weight: 300;
  letter-spacing: 0.34em;
  line-height: 1;
  text-indent: 0.34em;
  white-space: nowrap;
}

h1 span {
  color: var(--color-primary);
}

.status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1;
  text-transform: uppercase;
}

.status span {
  width: var(--space-1);
  height: var(--space-1);
  background: var(--color-primary);
  border-radius: 50%;
  box-shadow: 0 0 var(--space-3) rgba(245, 196, 81, 0.72);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  opacity: 0;
}

.hold.is-visible .footer {
  animation: footer-reveal 900ms 760ms var(--ease-out) forwards;
}

.footer a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.55rem;
  left: 0;
  height: 1px;
  background: var(--color-primary);
  transform: scaleX(0.18);
  transform-origin: left;
  opacity: 0.5;
  transition:
    transform var(--transition-interactive),
    opacity var(--transition-interactive);
}

.footer a:hover,
.footer a:focus-visible {
  color: var(--color-text);
}

.footer a:hover::after,
.footer a:focus-visible::after {
  transform: scaleX(1);
  opacity: 1;
}

.footer a:active {
  color: var(--color-primary);
}

@keyframes atmosphere-settle {
  from {
    opacity: 0;
    transform: scale(1.08);
  }
  to {
    opacity: 1;
    transform: scale(1.04);
  }
}

@keyframes title-reveal {
  from {
    opacity: 0;
    clip-path: inset(0 50% 0 50%);
  }
  to {
    opacity: 1;
    clip-path: inset(0 0 0 0);
  }
}

@keyframes gateway-settle {
  from {
    opacity: 0;
    transform: scale(0.96);
    filter: blur(0.25rem);
  }
  to {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
}

@keyframes lockup-reveal {
  from {
    opacity: 0;
    letter-spacing: 0.5em;
  }
  to {
    opacity: 1;
    letter-spacing: normal;
  }
}

@keyframes footer-reveal {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 42rem) {
  .hold {
    padding-inline: var(--space-5);
  }

  .brand {
    padding-block: 0 var(--space-3);
  }

  .gateway {
    height: min(55vh, 31rem);
    width: min(90vw, 23rem);
  }

  h1 {
    font-size: clamp(1.55rem, 7.4vw, 2.3rem);
    letter-spacing: 0.22em;
    text-indent: 0.22em;
  }

  .footer {
    flex-direction: column-reverse;
    justify-content: center;
    gap: 0;
    text-align: center;
  }

  .footer a {
    min-height: 2.75rem;
  }
}

@media (max-height: 43rem) and (orientation: landscape) {
  .hold {
    padding-block: var(--space-4);
  }

  .gateway {
    height: 47vh;
  }

  .brand {
    padding-block: 0 var(--space-2);
  }

  .brand__lockup {
    margin-top: calc(var(--space-2) * -1);
    gap: var(--space-2);
  }

  .descriptor {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro {
    display: none;
  }

  .hold,
  .masthead,
  .gateway,
  .brand__lockup,
  .footer {
    opacity: 1;
    visibility: visible;
    transform: none;
    clip-path: none;
  }

  .hold__atmosphere {
    animation: none;
  }
}