/* ============================================================
   AETHER — sound-sculpture flagship · brand system
   A luxury, angelic identity: high-contrast serif, liquid silver,
   cool halo bloom on near-black. Distinct from { brackets }, which
   only signs it in the footer.
   ============================================================ */
:root{
  --void:#05070C; --void-2:#090C13; --panel:#0D111A; --hair:#1A2030; --hair-2:#283043;
  --silver:#C9D2E0; --silver-2:#98A2B4; --dim2:#3D4658;
  --chrome-hi:#F3F7FE;
  --halo:#BFE0FF; --halo-hi:#EAF5FF; --platinum:#E8ECF3;
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
  --mono:'Space Mono',ui-monospace,monospace;
  --gutter:clamp(22px,5vw,90px); --maxw:1600px;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{overflow-x:clip}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
.lenis.lenis-stopped{overflow:hidden}
body{background:var(--void);color:var(--silver);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;overflow-x:clip;line-height:1.6}
a{color:inherit;text-decoration:none}
img,canvas{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:var(--halo);color:var(--void)}
:focus-visible{outline:1px solid var(--halo);outline-offset:4px}

/* atmosphere */
.grain{position:fixed;inset:-14%;z-index:1;pointer-events:none;opacity:.045;mix-blend-mode:screen;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.vignette{position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(120% 100% at 50% 20%,transparent 50%,rgba(0,0,0,.6))}

/* type utilities */
.serif{font-family:var(--serif)}
.mono{font-family:var(--mono)}
.kicker{font-family:var(--mono);font-size:11px;letter-spacing:.34em;text-transform:uppercase;color:var(--silver-2)}
.chrome-t{background:linear-gradient(176deg,#fff,#DDE4EF 24%,#8891A6 50%,#FBFCFE 64%,#727C90 86%,#C9D2E0);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.halo-t{color:var(--halo-hi);text-shadow:0 0 40px rgba(191,224,255,.35)}

/* cursor */
.cursor{position:fixed;top:0;left:0;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;border-radius:50%;
  border:1px solid var(--halo);z-index:9999;pointer-events:none;mix-blend-mode:difference;
  transition:width .3s var(--ease),height .3s var(--ease),background .3s}
body.cur-hot .cursor{width:44px;height:44px;background:rgba(191,224,255,.08)}
@media(hover:none){.cursor{display:none}}

/* loader */
#loader{position:fixed;inset:0;z-index:1000;background:var(--void);display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:24px}
#loader.done{pointer-events:none}
.load-word{font-family:var(--serif);font-weight:300;font-size:clamp(2.6rem,8vw,5rem);letter-spacing:.3em;
  color:var(--chrome-hi);padding-left:.3em}
.load-line{width:min(220px,50vw);height:1px;background:var(--hair);overflow:hidden}
.load-line i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--halo),#fff)}
.load-pct{font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--silver-2)}

/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;
  justify-content:space-between;height:76px;padding:0 var(--gutter);
  background:linear-gradient(180deg,rgba(5,7,12,.7),transparent);transition:background .5s}
body.scrolled .nav{background:rgba(5,7,12,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.brand{font-family:var(--serif);font-weight:500;font-size:26px;letter-spacing:.42em;color:var(--chrome-hi);padding-left:.42em}
.nav-links{display:flex;gap:clamp(16px,2.6vw,40px);font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase}
.nav-links a{color:var(--silver-2);position:relative;padding:6px 0;transition:color .3s}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--halo);
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav-links a:hover{color:var(--chrome-hi)}
.nav-links a:hover::after{transform:scaleX(1)}
.back{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--dim2);text-transform:uppercase}
.back:hover{color:var(--silver)}
@media(max-width:860px){.nav-links{display:none}}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  align-items:center;text-align:center;padding:0 var(--gutter);overflow:hidden}
#relic{position:absolute;inset:0;z-index:0}
.hero-glow{position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(50% 45% at 50% 46%,rgba(191,224,255,.14),transparent 60%)}
/* seat the lower hero text over the bright orb without hiding the wordmark */
.hero::after{content:'';position:absolute;inset:0;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,transparent 32%,rgba(5,7,12,.5) 54%,rgba(5,7,12,.88) 100%)}
.hero-inner{position:relative;z-index:3;pointer-events:none}
.hero-inner button,.hero-inner a{pointer-events:auto}
.hero .kicker{margin-bottom:30px;display:block}
.hero h1{font-family:var(--serif);font-weight:300;font-size:clamp(4rem,20vw,17rem);line-height:.86;
  letter-spacing:.06em;color:var(--chrome-hi);padding-left:.06em}
.hero .sub{font-family:var(--serif);font-style:italic;font-weight:300;font-size:clamp(1.2rem,2.6vw,2rem);
  color:var(--silver);margin-top:26px;letter-spacing:.02em}
.hero .lede{max-width:52ch;margin:26px auto 0;color:var(--silver-2);font-size:clamp(14px,1.3vw,16px)}

/* the resonance (audio) control */
.resonate{margin-top:46px;display:inline-flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--silver);
  padding:15px 26px;border:1px solid var(--hair);border-radius:50px;transition:border-color .4s,color .4s,background .4s}
.resonate:hover{border-color:var(--halo);color:var(--chrome-hi)}
.resonate .ico{position:relative;width:11px;height:12px;display:inline-block}
.resonate .ico::before{content:'';position:absolute;inset:0;border-left:9px solid var(--halo);
  border-top:6px solid transparent;border-bottom:6px solid transparent;transition:opacity .3s}
.resonate.playing .ico::before{opacity:0}
.resonate .ico::after{content:'';position:absolute;inset:0 3px;border-left:3px solid var(--halo);
  border-right:3px solid var(--halo);opacity:0;transition:opacity .3s}
.resonate.playing .ico::after{opacity:1}
.resonate .eq{display:none;gap:2px;align-items:flex-end;height:12px}
.resonate.playing .eq{display:inline-flex}
.resonate.playing .ico{display:none}
.eq span{width:2px;background:var(--halo);animation:eq 1s ease-in-out infinite}
.eq span:nth-child(2){animation-delay:.2s}.eq span:nth-child(3){animation-delay:.4s}.eq span:nth-child(4){animation-delay:.1s}
@keyframes eq{0%,100%{height:3px}50%{height:12px}}

.scrollcue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:3;
  font-family:var(--mono);font-size:10px;letter-spacing:.3em;color:var(--silver-2);
  display:flex;flex-direction:column;align-items:center;gap:12px;text-transform:uppercase}
.scrollcue .ln{width:1px;height:44px;background:var(--hair);position:relative;overflow:hidden}
.scrollcue .ln i{position:absolute;top:0;left:0;width:100%;height:40%;background:var(--halo);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{transform:translateY(-100%)}100%{transform:translateY(260%)}}

/* generic section */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
section{position:relative;padding-block:clamp(90px,15vh,200px)}
.eyebrow-row{display:flex;align-items:center;gap:16px;margin-bottom:40px}
.eyebrow-row .rule{flex:1;height:1px;background:var(--hair)}
.h2{font-family:var(--serif);font-weight:300;font-size:clamp(2.4rem,6vw,5rem);line-height:1.02;
  letter-spacing:.01em;color:var(--chrome-hi)}
.h2 em{font-style:italic;color:var(--halo-hi)}
.lede-lg{font-family:var(--serif);font-size:clamp(1.3rem,2.6vw,2rem);font-weight:300;line-height:1.5;
  color:var(--silver);max-width:24ch}
.body{color:var(--silver-2);font-size:16px;line-height:1.8;max-width:60ch}
.body strong{color:var(--silver)}

/* the instrument — split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,120px);align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:40px}}
.figure-chrome{position:relative;aspect-ratio:4/5;border-radius:2px;overflow:hidden;border:1px solid var(--hair);
  background:conic-gradient(from 210deg at 50% 40%,#0b0f18,#161c2b,#0a0d15,#20263a,#0b0f18)}
.figure-chrome::after{content:'';position:absolute;inset:0;mix-blend-mode:overlay;opacity:.4;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 2px,transparent 2px 8px)}
.figure-chrome .lbl{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-family:var(--mono);
  font-size:10px;letter-spacing:.14em;color:var(--silver-2);text-transform:uppercase;
  background:linear-gradient(transparent,rgba(5,7,12,.8))}
.figure-chrome .lbl b{display:block;color:var(--halo);font-weight:400;margin-top:4px}
.speaker3d #speaker{position:absolute;inset:0;z-index:2}
.speaker3d #speaker canvas{width:100%!important;height:100%!important;display:block}
.speaker3d .lbl{z-index:3}

/* collection */
.collection{display:grid;grid-template-columns:repeat(3,1fr);gap:2px;background:var(--hair);border:1px solid var(--hair)}
@media(max-width:820px){.collection{grid-template-columns:1fr}}
.piece{position:relative;background:var(--void-2);padding:0;overflow:hidden;transition:background .5s}
.piece:hover{background:var(--panel)}
.piece .art{aspect-ratio:3/4;position:relative;
  background:conic-gradient(from 200deg at 50% 45%,#0b0f18,#171d2c,#0a0d15,#222840,#0b0f18)}
.piece .art::after{content:'';position:absolute;inset:0;mix-blend-mode:overlay;opacity:.35;
  background:repeating-linear-gradient(110deg,rgba(255,255,255,.06) 0 2px,transparent 2px 9px)}
.piece .art .plabel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--silver-2);text-align:center;padding:20px}
.piece .art .plabel b{display:block;color:var(--halo);font-weight:400;margin-top:6px}
.piece .art[data-form]{overflow:hidden}
.piece .art canvas{position:absolute;inset:0;width:100%!important;height:100%!important;z-index:1;display:block}
.piece .art::after{z-index:2}
.piece .art .tag3d{position:absolute;bottom:14px;left:16px;z-index:3;font-family:var(--mono);font-size:10px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--halo);opacity:.7}
.piece .info{padding:26px}
.piece .info .no{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--halo)}
.piece .info h3{font-family:var(--serif);font-weight:400;font-size:2rem;color:var(--chrome-hi);margin:10px 0 6px;letter-spacing:.02em}
.piece .info .spec{font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--silver-2);line-height:2}
.piece .info .price{margin-top:16px;font-family:var(--serif);font-style:italic;font-size:1.2rem;color:var(--silver)}

/* resonance quote band */
.quote{text-align:center}
.quote .big{font-family:var(--serif);font-weight:300;font-size:clamp(1.8rem,5vw,4rem);line-height:1.14;
  letter-spacing:.01em;color:var(--silver);max-width:20ch;margin:0 auto}
.quote .big em{font-style:italic;color:var(--halo-hi)}
.quote .attr{margin-top:30px;font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--silver-2)}

/* spec strip */
.specs{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:clamp(24px,4vw,60px);
  border-block:1px solid var(--hair);padding-block:clamp(40px,6vw,70px)}
.spec-i .n{font-family:var(--serif);font-weight:300;font-size:clamp(2.4rem,5vw,3.6rem);color:var(--chrome-hi);line-height:1}
.spec-i .l{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--silver-2);margin-top:10px;text-transform:uppercase}

/* acquire / cta */
.acquire{text-align:center;overflow:hidden}
.acquire .hero-glow{opacity:.8}
.btn{display:inline-flex;align-items:center;gap:.8em;font-family:var(--mono);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;padding:18px 34px;border-radius:50px;position:relative;overflow:hidden;isolation:isolate;
  color:var(--void);background:var(--platinum);transition:transform .4s var(--ease)}
.btn::before{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--halo),#fff);
  transform:translateX(-101%);transition:transform .5s var(--ease)}
.btn:hover::before{transform:translateX(0)}
.btn:hover{transform:translateY(-2px)}
.btn-line{color:var(--silver);border:1px solid var(--hair);background:transparent;border-radius:50px;
  padding:18px 34px;font-family:var(--mono);font-size:12px;letter-spacing:.2em;text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.8em;transition:border-color .4s,color .4s}
.btn-line:hover{border-color:var(--halo);color:var(--chrome-hi)}

/* footer */
.foot{border-top:1px solid var(--hair);padding:clamp(50px,7vw,80px) var(--gutter);display:flex;
  justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:30px}
.foot .fbrand{font-family:var(--serif);font-size:22px;letter-spacing:.4em;color:var(--silver);padding-left:.4em}
.foot .fmeta{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--silver-2);line-height:2}
.foot .credit{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim2)}
.foot .credit a{color:var(--silver)}
.foot .credit a .br{color:var(--halo)}
.foot .credit a:hover{color:var(--chrome-hi)}

/* reveal */
[data-a]{opacity:0}
.no-js [data-a],.reduced [data-a]{opacity:1}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  #relic{display:none}.grain{display:none}[data-a]{opacity:1!important}#loader{display:none}
  .hero .hero-glow{opacity:1}
}

/* mobile performance — drop compositing-heavy effects on touch */
@media (hover:none) and (pointer:coarse){
  .grain{display:none}
  .nav{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}
  body.scrolled .nav{background:rgba(5,7,12,.94)}
}