.audio-section { position:relative; border-top:1px solid var(--line); overflow:hidden; }
.audio-section .section-top { margin-bottom:40px; }
.audio-toolbar { display:flex; align-items:center; justify-content:space-between; gap:24px; margin-bottom:12px; }
.audio-brands { display:flex; gap:5px; padding:5px; border:1px solid var(--line); border-radius:999px; background:hsl(var(--theme-h) 20% 12% / .5); }
.audio-brands button { min-width:100px; min-height:42px; padding:10px 20px; border-radius:999px; font-size:12px; color:var(--muted); transition:background .35s,color .35s; }
.audio-brands button[aria-selected=true] { background:var(--ink); color:var(--bg); }
.audio-collection-note { font-size:8px; letter-spacing:2px; color:var(--muted); }
.audio-showcase { position:relative; isolation:isolate; }
.audio-stage-home { position:relative; scroll-margin-top:90px; }
.audio-stage-wrap { position:relative; width:100%; height:clamp(550px,43vw,760px); overflow:hidden; isolation:isolate; background:radial-gradient(ellipse 48% 45% at 50% 52%,hsl(var(--theme-h) 38% 55% / .11),hsl(var(--theme-h) 38% 55% / .035) 52%,transparent 100%); }
.audio-stage-top { position:absolute; top:24px; left:12px; right:12px; display:flex; justify-content:space-between; align-items:center; height:40px; z-index:5; pointer-events:none; }
.audio-live { display:flex; gap:8px; align-items:center; color:var(--muted); font-size:8px; letter-spacing:2px; transition:opacity .6s; }
.audio-live i { width:4px; height:4px; border-radius:50%; background:var(--blue); box-shadow:0 0 12px var(--blue); }
.audio-position { font-size:9px; letter-spacing:3px; color:var(--muted); }
.audio-back { position:absolute; left:0; top:0; height:40px; display:flex; align-items:center; gap:12px; color:var(--ink); font-size:11px; opacity:0; visibility:hidden; pointer-events:none; transform:translateX(-12px); transition:opacity .3s,transform .45s,visibility 0s .3s; }
.audio-back svg { width:18px; height:18px; transform:rotate(180deg); }
.audio-detail .audio-back { opacity:1; visibility:visible; transform:none; pointer-events:auto; transition-delay:0s; }
.audio-detail .audio-live { opacity:0; }
.earbuds-stage { position:absolute; inset:62px 0 112px; outline:none; cursor:grab; z-index:1; }
.earbuds-stage:focus-visible { outline:1px solid var(--blue); outline-offset:-5px; border-radius:18px; }
.earbuds-stage canvas { width:100%; height:100%; display:block; mask-image:linear-gradient(to right,transparent,#000 7%,#000 93%,transparent); }
.audio-edge-glow { position:absolute; z-index:2; pointer-events:none; top:72px; bottom:106px; width:34%; opacity:.82; background:radial-gradient(ellipse closest-side at 50% 50%,hsl(var(--theme-h) 55% 65% / .24),hsl(var(--theme-h) 45% 48% / .11) 35%,hsl(var(--theme-h) 40% 38% / .035) 64%,transparent 100%); transition:opacity .65s cubic-bezier(.22,.7,.2,1); }
.audio-edge-left { left:0; }
.audio-edge-right { right:0; }
.audio-detail .audio-edge-glow { opacity:0; }
.audio-arrow { position:absolute; z-index:4; top:47%; width:48px; height:48px; background:hsl(var(--theme-h) 20% 9% / .72); backdrop-filter:blur(10px); border:1px solid var(--line); transition:opacity .6s,transform .35s,background .3s,visibility 0s; }
.audio-arrow-prev { left:6px; }
.audio-arrow-next { right:6px; }
.audio-arrow-prev svg { transform:rotate(180deg); }
.audio-arrow:hover { background:hsl(var(--theme-h) 24% 24% / .85); transform:scale(1.06); }
.audio-neighbor { position:absolute; z-index:4; top:73%; max-width:24%; color:var(--muted); font-size:11px; letter-spacing:-.2px; padding:12px; transition:opacity .6s,visibility 0s; }
.audio-neighbor-prev { left:8%; }
.audio-neighbor-next { right:8%; }
.audio-neighbor:hover { color:var(--ink); }
.audio-detail .audio-arrow, .audio-detail .audio-neighbor { opacity:0; visibility:hidden; pointer-events:none; transition:opacity .35s,visibility 0s .35s; }
.audio-loading, .audio-fallback { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; gap:12px; padding:30px; text-align:center; font-size:12px; color:var(--muted); }
.audio-loading i { width:14px; height:14px; border:1px solid var(--line); border-top-color:var(--ink); border-radius:50%; animation:audio-loading-spin 1s linear infinite; }
.audio-stage-bottom { position:absolute; bottom:20px; left:16px; right:16px; text-align:center; z-index:3; transition:right .65s cubic-bezier(.22,1,.36,1); }
.audio-detail .audio-stage-bottom { right:38%; }
.audio-case-toggle { display:inline-flex; align-items:center; justify-content:center; gap:10px; min-height:44px; padding:10px 19px; border:1px solid var(--line); border-radius:999px; font-size:11px; background:hsl(var(--theme-h) 20% 14% / .7); transition:background .3s,transform .25s; }
.audio-case-toggle:hover { background:hsl(var(--theme-h) 25% 27% / .7); transform:translateY(-2px); }
.audio-case-toggle svg { width:14px; height:14px; }
#audio-status { display:inline-block; margin-left:12px; font-size:9px; color:var(--muted); min-width:76px; text-align:left; }
#audio-gesture-hint { font-size:9px; line-height:1.8; color:var(--muted); margin:12px 0 0; }
#audio-gesture-hint > span { font-size:8px; opacity:.65; }
.audio-summary { position:relative; text-align:center; min-height:170px; padding:10px 0 24px; transition:opacity .6s,transform .6s,visibility 0s; }
.audio-summary .eyebrow { font-size:8px; display:block; width:100%; text-align:center; }
.audio-title-button { display:flex; align-items:center; justify-content:center; gap:22px; margin:13px auto 11px; font-size:clamp(28px,3vw,46px); letter-spacing:-.055em; line-height:1.2; }
.audio-title-button svg { width:25px; height:25px; opacity:.55; transition:transform .3s,opacity .3s; }
.audio-title-button:hover svg { transform:translateX(5px); opacity:1; }
.audio-summary-bottom { display:flex; justify-content:center; align-items:center; gap:12px; font-size:11px; color:var(--muted); }
.audio-summary-divider { width:1px; height:10px; background:var(--line); }
#audio-hero-price { color:var(--ink); }
.audio-demo { font-size:8px; opacity:.6; margin-left:-8px; }
.audio-summary-hint { display:block; font-size:9px; color:var(--muted); margin-top:20px; opacity:.7; }
.audio-detail .audio-summary { opacity:0; visibility:hidden; transform:translateY(12px); pointer-events:none; transition:opacity .35s,transform .5s,visibility 0s .35s; }
.audio-copy { position:absolute; top:50%; right:1%; width:33%; transform:translate(35px,-48%); opacity:0; visibility:hidden; pointer-events:none; transition:opacity .4s,transform .65s cubic-bezier(.22,1,.36,1),visibility 0s .4s; z-index:4; }
.audio-detail .audio-copy { opacity:1; visibility:visible; transform:translate(0,-50%); pointer-events:auto; transition-delay:0s; }
.audio-copy h3 { font-size:clamp(28px,3vw,44px); line-height:1.12; font-weight:500; letter-spacing:-.055em; margin:20px 0 12px; }
.audio-tagline { font-size:14px; line-height:1.5; margin:0 0 17px; color:var(--ink); }
.audio-description { font-size:11px; line-height:1.85; color:var(--muted); min-height:62px; max-width:360px; }
.audio-specs { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:15px; margin:26px 0; padding:20px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.audio-specs strong { display:block; font-weight:500; font-size:24px; letter-spacing:-1px; }
.audio-specs > div > span { display:block; font-size:8px; line-height:1.5; color:var(--muted); margin-top:7px; }
.audio-color-row { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:27px; }
.audio-color-row > div:first-child { display:flex; align-items:center; gap:14px; }
.audio-small-label { color:var(--muted); font-size:8px; letter-spacing:1.4px; }
#audio-color-name { font-size:10px; }
.audio-purchase { display:flex; align-items:center; justify-content:space-between; gap:18px; }
.audio-purchase strong { display:block; font-size:27px; letter-spacing:-1px; font-weight:500; white-space:nowrap; }
.audio-purchase > div > span { display:block; font-size:8px; margin-top:5px; color:var(--muted); }
.audio-purchase .primary-cta { padding:14px 22px; gap:15px; font-size:11px; white-space:nowrap; }
.audio-source { display:inline-block; margin-top:22px; padding:5px 0; font-size:8px; color:var(--muted); }
.audio-source:hover { color:var(--ink); }
.audio-model-strip { display:flex; align-items:center; gap:30px; margin:24px 0 0; }
.audio-models { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:12px; flex:1; }
.audio-models button { display:flex; align-items:center; gap:20px; min-height:76px; padding:19px 26px; border:1px solid var(--line); border-radius:16px; color:var(--muted); transition:background .35s,border-color .35s,color .35s; text-align:left; }
.audio-models button > span { font-size:9px; opacity:.5; }
.audio-models button > strong { font-weight:500; font-size:15px; }
.audio-models button[aria-selected=true] { background:hsl(var(--theme-h) 25% 60% / .1); border-color:hsl(var(--theme-h) 30% 80% / .45); color:var(--ink); }
.audio-models button:hover { background:hsl(var(--theme-h) 25% 60% / .08); color:var(--ink); }
.audio-footnote { font-size:8px; line-height:1.7; color:var(--muted); opacity:.6; margin-top:20px; }
.cart-device-audio { width:50px!important; height:39px!important; border-radius:13px!important; transform:rotate(-8deg)!important; }
.cart-device-audio i { display:none!important; }
.cart-device-audio:before { content:''; position:absolute; left:1px; right:1px; top:13px; height:1px; background:#5556; }
.cart-device-audio:after { content:''; position:absolute; width:3px; height:3px; background:#b7d6ab; border-radius:50%; left:calc(50% - 1.5px); top:24px; }
@keyframes audio-loading-spin { to { transform:rotate(360deg); } }
@media(max-width:1100px) {
  .audio-copy { width:35%; }
  .audio-copy h3 { font-size:30px; }
  .audio-specs { gap:9px; margin:20px 0; }
  .audio-specs strong { font-size:21px; }
  .audio-purchase { gap:10px; }
  .audio-purchase strong { font-size:23px; }
  .audio-purchase .primary-cta { padding:13px 17px; }
}
@media(max-width:760px) {
  .header .nav { padding-left:7px; padding-right:7px; }
  .header .nav a { padding:0 8px; font-size:10px; }
  .header .nav::before, .header .nav::after { width:16px; }
  .audio-section { padding-left:6%; padding-right:6%; }
  .audio-section .section-top { margin-bottom:26px; }
  .audio-toolbar { display:block; margin-bottom:8px; }
  .audio-brands { width:max-content; max-width:100%; }
  .audio-brands button { min-width:86px; padding:9px 15px; font-size:11px; }
  .audio-collection-note { display:block; margin:16px 0 0 3px; font-size:7px; }
  .audio-stage-home { margin:0 -6.8%; scroll-margin-top:126px; }
  .audio-stage-wrap { height:500px; }
  .audio-stage-top { top:20px; left:24px; right:24px; }
  .earbuds-stage { inset:58px 0 118px; }
  .audio-arrow { width:36px; height:36px; top:43%; }
  .audio-arrow-prev { left:8px; }
  .audio-arrow-next { right:8px; }
  .audio-arrow svg { width:14px; height:14px; }
  .audio-neighbor { top:66%; font-size:8px; max-width:28%; padding:9px 2px; }
  .audio-neighbor-prev { left:3%; }
  .audio-neighbor-next { right:3%; }
  .audio-stage-bottom,.audio-detail .audio-stage-bottom { left:8px; right:8px; bottom:18px; }
  .audio-edge-glow { width:35%; top:80px; bottom:110px; }
  .audio-copy,.audio-detail .audio-copy { position:relative; top:auto; right:auto; width:100%; transform:none; }
  .audio-copy { display:block; max-height:0; padding:0 8px; overflow:hidden; transition:opacity .4s,max-height .6s cubic-bezier(.22,.7,.2,1),padding .6s,visibility 0s .4s; }
  .audio-detail .audio-copy { max-height:650px; padding:12px 8px 25px; transition-delay:0s; }
  .audio-copy h3 { font-size:32px; }
  .audio-description { min-height:0; }
  .audio-specs { margin:25px 0; }
  .audio-specs strong { font-size:22px; }
  .audio-specs > div > span { font-size:7px; }
  .audio-color-row { margin-bottom:25px; }
  .audio-color-row > div:first-child { gap:8px; }
  #audio-color-name { font-size:9px; }
  .audio-summary { min-height:0; max-height:220px; overflow:hidden; transition:opacity .6s,transform .6s,max-height .6s,padding .6s,visibility 0s; }
  .audio-detail .audio-summary { max-height:0; padding:0; transition:opacity .35s,transform .5s,max-height .6s,padding .6s,visibility 0s .35s; }
  .audio-title-button { gap:16px; }
  .audio-title-button svg { width:20px; height:20px; }
  .audio-model-strip { display:block; }
  .audio-models { margin-top:12px; gap:9px; }
  .audio-models button { padding:15px; gap:10px; min-height:70px; }
  .audio-models button > strong { font-size:12px; }
  .audio-models button > span { font-size:8px; }
}
@media(max-width:360px) {
  .header .nav a { padding:0 6px; font-size:9px; }
  .audio-brands button { min-width:77px; }
  .audio-stage-wrap { height:460px; }
  .audio-purchase strong { font-size:21px; }
}
@media(prefers-reduced-motion:reduce) {
  .audio-loading i { animation:none; }
  .audio-section *, .audio-section *::before { transition:none!important; }
}

.audio-source[hidden] { display:none; }