:root {
  --text: rgba(255, 255, 255, 0.96);
  --text-soft: rgba(255, 255, 255, 0.84);
  --tap: 44px;
  --logo-size: clamp(112px, 16vw, 250px);
  --contact-size: clamp(14px, 1.25vw, 18px);
  --icon-size: clamp(17px, 1.5vw, 20px);
  --space: clamp(12px, 2vw, 22px);
  --safe-top: max(env(safe-area-inset-top), 0px);
  --safe-right: max(env(safe-area-inset-right), 0px);
  --safe-bottom: max(env(safe-area-inset-bottom), 0px);
  --safe-left: max(env(safe-area-inset-left), 0px);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: #000;
  color: var(--text);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  overflow: hidden;
}

a,
button {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

.bg-video,
.overlay,
.layout {
  position: fixed;
  inset: 0;
}

.bg-video {
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
  filter: brightness(0.64);
  transform: scale(1.01);
}

.overlay {
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.16)),
    radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.08) 100%);
}

.layout {
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr;
  padding:
    calc(var(--space) + var(--safe-top))
    calc(var(--space) + var(--safe-right))
    calc(var(--space) + var(--safe-bottom))
    calc(var(--space) + var(--safe-left));
}

.logo-wrap {
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  justify-self: start;
  display: inline-flex;
  line-height: 0;
  opacity: 0.98;
}

.logo {
  width: var(--logo-size);
  height: auto;
  display: block;
}

.top-actions {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  justify-self: end;
  display: flex;
  align-items: center;
}

.sound-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  width: var(--tap);
  height: var(--tap);
  min-width: var(--tap);
  min-height: var(--tap);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.9;
  transition: opacity 160ms ease, transform 160ms ease, color 160ms ease;
}

.sound-btn:hover,
.sound-btn:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  opacity: 1;
  outline: none;
}

.sound-btn:hover,
.sound-btn:focus-visible {
  transform: translateY(-1px);
  color: var(--text);
}

.sound-icon {
  width: var(--icon-size);
  height: var(--icon-size);
  display: block;
  pointer-events: none;
}

.center {
  grid-column: 1 / -1;
  grid-row: 2;
  align-self: center;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 0;
  text-align: center;
}

.contact-link {
  display: inline-block;
  padding: 10px 14px;
  font-family: "Helvetica Neue", "Arial Narrow", Arial, sans-serif;
  font-size: var(--contact-size);
  font-weight: 300;
  letter-spacing: 0.16em;
  line-height: 1;
  color: var(--text);
  opacity: 0.92;
  cursor: pointer;
  user-select: none;
  transition: opacity 160ms ease, transform 160ms ease;
  white-space: nowrap;
}

.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-1px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  :root {
    --logo-size: clamp(106px, 32vw, 168px);
    --contact-size: clamp(13px, 4.2vw, 15px);
    --icon-size: 18px;
    --space: 12px;
    --tap: 42px;
  }

  .bg-video {
    object-position: center center;
  }

  .contact-link {
    letter-spacing: 0.12em;
    padding: 8px 10px;
  }
}

@media (max-width: 380px) {
  :root {
    --logo-size: 104px;
    --contact-size: 13px;
  }

  .contact-link {
    letter-spacing: 0.1em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sound-btn,
  .contact-link {
    transition: none;
  }

  .bg-video {
    transform: none;
  }
}