/* This document is embedded in the landing hero, not a standalone mockup. */
:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  color: #f5f5ed;
  background: #112e29;
  --lime: #d2ed86;
  --muted: #d7dfce;
  --line: #527060;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { overflow-x: hidden; }
button, input { font: inherit; }
button { cursor: pointer; touch-action: manipulation; }
button:focus-visible, input:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }
h2, p { margin: 0; }
.play-hero { padding: 0; }
.sound-stage {
  width: 100%;
  padding: 24px;
  background: #183a32;
  border: 1px solid var(--line);
  border-radius: 24px;
}
.stage-top { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 12px; color: var(--lime); font-size: 11px; }
.sound-badge { border: 1px solid var(--line); border-radius: 20px; padding: 6px 9px; font-size: 10px; }
.stage-invitation { text-align: center; padding-top: 24px; }
.stage-invitation h2 { white-space: pre-line; font-size: 26px; line-height: 1.12; letter-spacing: -.8px; }
.stage-invitation p { font-size: 13px; line-height: 1.5; color: var(--muted); margin-top: 12px; }
.seating { position: relative; height: 360px; margin-top: 24px; isolation: isolate; }
.stage-orbit { position: absolute; left: 50%; top: 52%; transform: translate(-50%, -50%); width: 94%; height: 78%; border: 1px solid var(--line); border-radius: 50%; z-index: -1; opacity: .6; }
.orbit-b { width: 65%; height: 50%; border-style: dashed; }
.instrument-pad {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 112px;
  height: 137px;
  padding: 8px;
  border-radius: 18px;
  background: #24483b;
  border: 1px solid #6b806a;
  box-shadow: 0 8px 20px #081e1933;
  color: #f5f5ed;
  transition: transform .18s, background .18s, box-shadow .18s;
  z-index: 2;
}
.instrument-pad:hover { transform: translateY(-4px); border-color: var(--lime); }
.instrument-pad.selected { background: #42613b; border-color: var(--lime); box-shadow: 0 0 0 2px var(--lime); }
.instrument { display: block; width: 94px; height: 85px; flex-shrink: 0; filter: drop-shadow(0 4px 6px #0c241e66); transition: transform .15s; }
.instrument-pad.hit .instrument { transform: translateY(-4px) rotate(-4deg); }
.pad-index { position: absolute; left: 8px; top: 7px; font-size: 8px; color: var(--muted); }
.pad-name { display: flex; justify-content: space-between; width: 100%; align-items: center; gap: 3px; font-size: 12px; line-height: 1.3; font-weight: 600; }
.pad-name i { font-style: normal; font-size: 14px; color: var(--lime); }
.pad-role { color: var(--muted); font-size: 9px; line-height: 1.3; margin-top: 4px; }
.pad-0 { left: calc(50% - 56px); top: 0; }
.pad-1 { left: 0; top: 70px; }
.pad-2 { right: 0; top: 70px; }
.pad-3 { left: 12%; bottom: 0; }
.pad-4 { right: 12%; bottom: 0; }
.conductor { position: absolute; left: calc(50% - 20px); bottom: 28px; display: flex; flex-direction: column; align-items: center; gap: 14px; width: 40px; }
.conductor > span { width: 29px; height: 29px; border: 1px solid #8b9d87; background: #d2ed8612; border-radius: 50%; position: relative; }
.conductor > span::after { content: ''; position: absolute; height: 28px; width: 2px; border-radius: 2px; background: var(--lime); left: 19px; top: -10px; transform: rotate(35deg); transform-origin: bottom; }
.conductor b { font-size: 10px; color: var(--lime); }
.playing .conductor > span::after { animation: conduct 1.154s infinite ease-in-out; }
@keyframes conduct { 0%, 100% { transform: rotate(35deg); } 50% { transform: rotate(-30deg); } }
.sound-controls { display: flex; align-items: center; gap: 10px; border-top: 1px solid var(--line); padding-top: 20px; margin-top: 24px; flex-wrap: wrap; }
.play-all, .stop-music { border-radius: 8px; padding: 12px; font-size: 13px; line-height: 1.3; min-height: 44px; }
.play-all { border: 1px solid var(--lime); background: var(--lime); color: #112e29; font-weight: 600; }
.stop-music { border: 1px solid #8b9d87; background: transparent; color: #f5f5ed; }
.stop-music:disabled { opacity: .45; cursor: default; }
.volume-label { display: flex; align-items: center; gap: 8px; margin-left: auto; font-size: 12px; color: var(--muted); }
.volume-label input { width: 72px; min-height: 44px; margin: 0; accent-color: var(--lime); }
.beat-meter { display: flex; gap: 3px; align-items: center; height: 20px; }
.beat-meter i { height: 5px; width: 3px; background: #6b806a; border-radius: 3px; transition: height .12s; }
.beat-meter i.current { height: 18px; background: var(--lime); }
.sound-status { font-size: 12px; line-height: 1.6; margin-top: 16px; color: var(--muted); min-height: 38px; }
.sound-caption { display: block; margin-top: 8px; font-size: 11px; color: #b8cbb7; line-height: 1.6; }
@media (max-width: 519px) {
  .sound-stage { padding: 16px; border-radius: 20px; }
  .stage-top { font-size: 10px; }
  .sound-badge { font-size: 9px; }
  .stage-invitation h2 { font-size: 24px; }
  .seating { height: 310px; }
  .instrument-pad { width: 90px; height: 120px; padding: 7px; border-radius: 15px; }
  .instrument { width: 74px; height: 70px; }
  .pad-name { font-size: 11px; }
  .pad-role { font-size: 8px; }
  .pad-0 { left: calc(50% - 45px); }
  .pad-3 { left: 5%; }
  .pad-4 { right: 5%; }
  .sound-controls { gap: 8px; }
  .volume-label { flex-basis: 100%; margin-left: 0; }
  .volume-label input { flex: 1; }
  .beat-meter { display: none; }
}
@media (max-width: 339px) {
  .sound-stage { padding: 12px; }
  .stage-top { justify-content: center; }
  .stage-invitation h2 { font-size: 22px; }
  .stage-invitation p { font-size: 12px; }
  .seating { height: 290px; }
  .instrument-pad { width: 74px; height: 106px; padding: 5px; }
  .instrument { width: 62px; height: 62px; }
  .pad-name { font-size: 10px; }
  .pad-role { font-size: 7px; }
  .pad-0 { left: calc(50% - 37px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::after { animation: none !important; transition: none !important; }
  .instrument-pad.hit .instrument { transform: none; }
}