/* 46a: the interface is independent of the accepted scene and its coordinates. */
:root {
  --home-paper: #eee9df;
  --home-muted: #b8bdb8;
  --home-accent: #cfaa86;
  --home-gutter: clamp(32px, 4.4vw, 88px);
}

body { cursor: auto; }
a, button { cursor: pointer; }

.topbar {
  grid-template-columns: 1fr auto auto;
  gap: 48px;
  padding: 38px var(--home-gutter) 0;
  color: var(--home-paper);
}
.brand {
  letter-spacing: 0;
  text-transform: none;
  text-shadow: 0 2px 12px #0008;
}
.brand strong { font-size: 29px; line-height: 1.2; font-weight: 400; }
.brand small {
  margin-top: 6px;
  color: var(--home-muted);
  font: 12px/1.4 Arial, sans-serif;
  letter-spacing: 0;
}
.nav { gap: 30px; }
.nav a, .nav button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font: 15px/1.4 Arial, sans-serif;
  letter-spacing: 0;
  text-transform: none;
  color: var(--home-paper);
  text-shadow: 0 2px 8px #0009;
}
.nav a::before, .nav a::after,
.nav button::before, .nav button::after,
.extras::before, .sound-toggle::after { content: none; }
.nav a:hover, .nav button:hover,
.nav a:focus-visible, .nav button:focus-visible {
  color: var(--home-accent);
  text-shadow: none;
  text-decoration: underline;
  text-underline-offset: 7px;
  text-decoration-thickness: 1px;
}
.extras { gap: 8px; }
.social, .sound-toggle, .menu-toggle {
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--home-muted);
  box-shadow: none;
  animation: none;
  transition: color 180ms ease;
}
.social:hover, .social:focus-visible,
.sound-toggle:hover, .sound-toggle:focus-visible,
.sound-toggle[aria-pressed="true"], .menu-toggle:hover {
  color: var(--home-paper);
  background: transparent;
  box-shadow: none;
  animation: none;
}
.sound-toggle {
  margin-left: 10px;
  border-left: 1px solid #eee9df30;
  width: 55px;
  padding-left: 10px;
}
.sound-toggle::before { left: 31px; height: 19px; box-shadow: none; }
.sound-toggle[aria-pressed="true"] .sound-wave { animation: none; }
.social svg, .sound-toggle svg { width: 18px; height: 18px; }
.menu-toggle svg { width: 25px; height: 25px; }
.menu-toggle .menu-close-icon { display: none; }
.menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
.menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }

.copy {
  left: var(--home-gutter);
  right: auto;
  bottom: max(68px, 8svh);
  width: 590px;
  max-width: 49%;
  text-shadow: 0 2px 16px #0008;
  color: var(--home-paper);
}
.copy h1 {
  margin: 0 0 24px;
  color: var(--home-paper);
  font-size: 58px;
  line-height: 1.12;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
}
.copy h1 span:last-child { font-style: italic; color: var(--home-accent); }
.lead {
  max-width: none;
  color: #d2d4cc;
  font: 16px/1.6 Arial, sans-serif;
  letter-spacing: 0;
  text-transform: none;
}
.lead-break { display: inline; }
.scene-links { display: flex; flex-wrap: wrap; gap: 8px 32px; margin-top: 30px; }
.scene-links a {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 44px;
  padding: 4px 0 10px;
  border-bottom: 1px solid #eee9df60;
  color: var(--home-paper);
  font: 14px/1.5 Arial, sans-serif;
  transition: color 180ms ease, border-color 180ms ease;
}
.scene-links svg { width: 18px; height: 18px; flex: 0 0 18px; transition: transform 180ms ease; }
.scene-links a:hover { color: var(--home-accent); border-color: currentColor; }
.scene-links a:hover svg { transform: translate(2px, -2px); }
.stage a:focus-visible, .stage button:focus-visible {
  outline: 2px solid var(--home-paper);
  outline-offset: 6px;
}
.control-tip {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  padding: 9px 12px;
  border: 1px solid #eee9df30;
  border-radius: 4px;
  background: #161b19;
  color: var(--home-paper);
  font: 13px/1.4 Arial, sans-serif;
  text-transform: none;
  letter-spacing: 0;
  width: max-content;
  max-width: min(300px, calc(100vw - 32px));
  white-space: normal;
  transform: translateX(var(--tip-shift, 0px));
  visibility: hidden;
  opacity: 0;
  transition: opacity 150ms ease;
}
.control-tip::before { content: ""; position: absolute; inset: -12px 0 auto; height: 12px; }
.menu-toggle .control-tip { width: max-content; height: auto; margin: 0; background: #161b19; }
[data-tip-open] .control-tip { visibility: visible; opacity: 1; }
.trace-message { font: 14px/1.5 Arial, sans-serif; letter-spacing: 0; text-transform: none; }

@media (min-width: 1600px) {
  .copy { width: 680px; bottom: 9svh; }
  .copy h1 { font-size: 66px; }
}
@media (max-width: 1180px) {
  .topbar { grid-template-columns: 1fr auto auto; gap: 24px; }
  .menu-toggle { display: grid; place-items: center; grid-column: 3; grid-row: 1; }
  .extras { grid-column: 2; grid-row: 1; }
  .nav {
    top: calc(100% + 18px);
    right: var(--home-gutter);
    min-width: 240px;
    max-width: calc(100vw - 48px);
    padding: 16px 24px;
    gap: 4px;
    border: 1px solid #eee9df30;
    border-radius: 4px;
    background: #111816f5;
  }
  .nav a, .nav button { width: 100%; padding: 8px 0; }
  .copy { width: 490px; }
  .copy h1 { font-size: 46px; }
}
@media (max-width: 900px) and (min-width: 761px) {
  .brand strong { font-size: 26px; }
  .copy { max-width: 56%; }
  .copy h1 { font-size: 40px; }
}
@media (max-width: 760px) {
  :root { --home-gutter: 24px; }
  .topbar {
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding: calc(24px + env(safe-area-inset-top, 0px)) var(--home-gutter) 0;
  }
  .brand strong { font-size: 24px; }
  .brand small { display: block; font-size: 11px; margin-top: 5px; }
  .menu-toggle { grid-column: 2; color: var(--home-paper); }
  .nav { right: var(--home-gutter); }
  .extras {
    position: fixed;
    top: auto;
    bottom: calc(22px + env(safe-area-inset-bottom, 0px));
    left: calc(var(--home-gutter) - 12px);
    right: auto;
    gap: 6px;
  }
  .copy {
    left: var(--home-gutter);
    right: var(--home-gutter);
    bottom: calc(112px + env(safe-area-inset-bottom, 0px));
    width: auto;
    max-width: none;
  }
  .copy h1 { font-size: 36px; line-height: 1.14; margin-bottom: 17px; }
  .lead { font-size: 14px; line-height: 1.6; }
  .scene-links { gap: 24px; margin-top: 21px; }
  .scene-links a { font-size: 13px; gap: 14px; padding-bottom: 8px; }
  .control-tip { top: auto; bottom: calc(100% + 8px); right: auto; left: 12px; }
  .control-tip::before { inset: auto 0 -12px; }
  .menu-toggle .control-tip { top: calc(100% + 8px); bottom: auto; right: 0; left: auto; }
  .trace-message { bottom: 76px; max-width: calc(100% - 48px); }
}
@media (max-width: 370px) {
  :root { --home-gutter: 20px; }
  .brand strong { font-size: 22px; }
  .copy h1 { font-size: 31px; }
  .lead { font-size: 13px; }
  .scene-links { gap: 20px; }
}
@media (max-height: 650px) and (min-width: 761px) {
  body { overflow-y: auto; }
  .stage { min-height: 500px; }
  .topbar { padding-top: 22px; }
  .copy { bottom: 30px; }
  .copy h1 { font-size: 42px; margin-bottom: 16px; }
  .scene-links { margin-top: 18px; }
}
@media (max-height: 600px) and (max-width: 760px) {
  body { overflow-y: auto; }
  .stage { min-height: 570px; }
  .extras { position: absolute; top: 89px; bottom: auto; right: var(--home-gutter); left: auto; }
  .copy { bottom: 38px; }
  .copy h1 { font-size: 31px; }
  .extras .control-tip { top: calc(100% + 8px); bottom: auto; left: auto; right: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .scene-links svg, .control-tip { transition: none; }
}