:root{
  --bg:#000; --fg:#f5f5f7; --muted:#a1a1a6; --line:rgba(255,255,255,.12);
  --light:#f5f5f7; --lfg:#1d1d1f; --lmuted:#6e6e73; --lline:rgba(0,0,0,.1);
  --blue:#2997ff; --g1:#6ea8ff; --g2:#b46bff; --g3:#ff7ab6; --g4:#ffb36b;
  --ease:cubic-bezier(.2,.8,.2,1);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
code{font-family:ui-monospace,"SF Mono",Consolas,monospace;font-size:.9em;background:rgba(127,127,127,.18);padding:.1em .4em;border-radius:6px}
.wrap{width:min(1120px,100% - 48px);margin-inline:auto}
.wrap.narrow{width:min(820px,100% - 48px)}
.center{text-align:center}
.m-br{display:none}
.fine{font-size:13px;color:var(--muted)}
.fine a{text-decoration:underline;text-underline-offset:3px}

/* progress + nav */
.progress{position:fixed;top:0;left:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--g1),var(--g2),var(--g3));z-index:100}
.nav{position:fixed;inset:0 0 auto 0;z-index:90;height:52px;transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(22,22,24,.62);-webkit-backdrop-filter:saturate(180%) blur(22px);backdrop-filter:saturate(180%) blur(22px);border-color:var(--line)}
.nav-inner{width:min(1120px,100% - 48px);height:100%;margin-inline:auto;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;letter-spacing:.01em}
.brand img{border-radius:7px}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:13px;color:#d2d2d7}
.nav-links a{opacity:.8;transition:opacity .2s}
.nav-links a:hover{opacity:1}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--blue);color:#fff;border-radius:980px;padding:10px 20px;font-size:15px;font-weight:500;transition:transform .35s var(--ease),box-shadow .35s,background .2s;will-change:transform;white-space:nowrap}
.btn:hover{background:#4aa8ff;box-shadow:0 10px 40px -8px rgba(41,151,255,.7)}
.btn:active{transform:scale(.97)!important}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-lg{padding:15px 30px;font-size:18px}
.ver-tag{font-size:.72em;background:rgba(255,255,255,.22);padding:2px 9px;border-radius:99px}
.link-arrow{color:var(--blue);font-size:19px;display:inline-flex;gap:6px;align-items:center}
.link-arrow span{transition:transform .3s var(--ease)}
.link-arrow:hover span{transform:translateX(5px)}
.cta-row{display:flex;gap:28px;justify-content:center;align-items:center;flex-wrap:wrap}

/* type */
.eyebrow{font-size:17px;font-weight:600;color:var(--muted);letter-spacing:.02em;margin:0 0 12px}
.big{font-size:clamp(34px,6vw,72px);line-height:1.08;font-weight:700;letter-spacing:-.025em;margin:0 0 20px}
.sub{font-size:clamp(17px,2vw,22px);color:var(--muted);max-width:760px;margin:0 auto;line-height:1.55}
.grad-text{background:linear-gradient(100deg,var(--g1),var(--g2) 35%,var(--g3) 65%,var(--g4));background-size:220% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradmove 8s ease-in-out infinite alternate}
@keyframes gradmove{to{background-position:100% 0}}
.light .eyebrow,.light .sub{color:var(--lmuted)}

/* hero */
.hero{position:relative;padding:calc(52px + 9vh) 0 0;background:#000;text-align:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;will-change:transform}
.o1{width:56vw;height:56vw;left:-14vw;top:-18vw;background:radial-gradient(circle,#3b6cff,transparent 65%);animation:float1 16s ease-in-out infinite alternate}
.o2{width:48vw;height:48vw;right:-12vw;top:-8vw;background:radial-gradient(circle,#b13cff,transparent 65%);animation:float2 19s ease-in-out infinite alternate}
.o3{width:44vw;height:44vw;left:28vw;top:22vw;background:radial-gradient(circle,#ff4f8b,transparent 65%);opacity:.32;animation:float1 22s ease-in-out infinite alternate-reverse}
@keyframes float1{to{transform:translate3d(8vw,6vw,0) scale(1.15)}}
@keyframes float2{to{transform:translate3d(-9vw,8vw,0) scale(.9)}}
.grain{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 120%,#000 30%,transparent 70%)}
.hero-copy{position:relative;z-index:2;width:min(980px,100% - 40px);margin-inline:auto;transition:opacity .1s linear;will-change:transform,opacity}
.hero-icon{width:96px;height:96px;margin:0 auto 22px;border-radius:22px;box-shadow:0 20px 60px -12px rgba(120,100,255,.6);animation:pop 1s var(--ease) both}
@keyframes pop{from{opacity:0;transform:scale(.6) translateY(20px)}}
.hero h1{font-size:clamp(46px,9.2vw,112px);line-height:1.04;letter-spacing:-.035em;margin:6px 0 22px;font-weight:800;animation:rise 1s .1s var(--ease) both}
.hero .eyebrow{animation:rise 1s .05s var(--ease) both}
.hero .lead{font-size:clamp(18px,2.4vw,26px);color:#c7c7cc;margin:0 auto 34px;max-width:760px;animation:rise 1s .2s var(--ease) both}
.hero .cta-row{animation:rise 1s .3s var(--ease) both}
.hero .fine{margin-top:18px;animation:rise 1s .4s var(--ease) both}
@keyframes rise{from{opacity:0;transform:translateY(34px)}}
.hero-shot-wrap{position:relative;z-index:1;width:min(1180px,100% - 32px);margin:64px auto 0;perspective:1600px;padding-bottom:80px}
.hero-shot{position:relative;margin:0;border-radius:20px;overflow:hidden;box-shadow:0 60px 140px -30px rgba(80,90,255,.55),0 0 0 1px rgba(255,255,255,.14);transform:rotateX(14deg) scale(.88);transform-origin:50% 0;will-change:transform}
.hero-shot img{width:100%;height:auto}
.shine{position:absolute;inset:0;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.16) 50%,transparent 65%);transform:translateX(-120%);animation:shine 5.5s 1.5s ease-in-out infinite}
@keyframes shine{60%,100%{transform:translateX(120%)}}
.caption{font-size:12px;color:#6e6e73;margin:18px 0 0}

/* bands */
.band{padding:clamp(80px,12vw,150px) 0}
.band.light{background:var(--light);color:var(--lfg)}
.band.dark,.story.dark,.final{background:#000;color:var(--fg)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:70px}
.stat{background:#fff;border-radius:28px;padding:40px 24px;box-shadow:0 1px 0 rgba(0,0,0,.04),0 20px 50px -30px rgba(0,0,0,.25)}
.stat b{display:block;font-size:clamp(54px,8vw,92px);line-height:1;letter-spacing:-.04em;background:linear-gradient(100deg,#3b6cff,#b13cff,#ff4f8b);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:10px;font-size:19px;font-weight:600}
.stat small{display:block;font-size:13px;font-weight:400;color:var(--lmuted);margin-top:8px;line-height:1.5}

/* story (sticky) */
.story{padding:clamp(80px,12vw,150px) 0 40px}
.story-head{margin-bottom:40px}
.story-inner{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:start}
.story-steps .step{min-height:78vh;display:flex;flex-direction:column;justify-content:center;opacity:.28;transform:translateX(-8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.story-steps .step.is-active{opacity:1;transform:none}
.step-no{font-size:15px;font-weight:600;color:var(--blue);letter-spacing:.14em}
.step h3{font-size:clamp(28px,3.6vw,44px);line-height:1.12;letter-spacing:-.02em;margin:10px 0 16px}
.step p{font-size:18px;color:#b4b4ba;margin:0 0 10px}
.step .note{font-size:14px;color:#86868b}
.story-stage{position:sticky;top:calc(50vh - 260px);align-self:start}
.stage-frame{position:relative;aspect-ratio:16/11;border-radius:26px;background:#0b0b0d;overflow:hidden;box-shadow:0 40px 100px -30px rgba(90,100,255,.45),0 0 0 1px rgba(255,255,255,.1)}
.stage-video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transform:scale(1.04);transition:opacity .7s var(--ease),transform .9s var(--ease)}
.stage-video.is-active{opacity:1;transform:none}
.dots{display:flex;gap:8px;justify-content:center;margin-top:20px}
.dots i{width:7px;height:7px;border-radius:9px;background:#3a3a3d;transition:all .4s var(--ease)}
.dots i.on{width:26px;background:var(--fg)}

/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:64px}
.card{grid-column:span 2;background:#fff;border-radius:30px;overflow:hidden;display:flex;flex-direction:column;position:relative;box-shadow:0 1px 0 rgba(0,0,0,.04),0 24px 60px -34px rgba(0,0,0,.3);transition:transform .5s var(--ease),box-shadow .5s;transform-style:preserve-3d}
.card.c-wide{grid-column:span 4}
.card.c-third{grid-column:span 2}
.card:hover{box-shadow:0 1px 0 rgba(0,0,0,.04),0 40px 80px -30px rgba(0,0,0,.4)}
.card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(120,120,255,.14),transparent 45%);opacity:0;transition:opacity .4s}
.card:hover::after{opacity:1}
.card-copy{padding:34px 34px 8px}
.card h3{font-size:clamp(21px,2.3vw,28px);letter-spacing:-.015em;margin:0 0 10px;line-height:1.2}
.card p{margin:0;color:var(--lmuted);font-size:16px}
.card-media{margin-top:auto;flex:1;padding:22px 26px 28px;display:flex;justify-content:center;align-items:flex-end}
.card-media video,.card-media img{border-radius:16px;width:100%;height:auto;box-shadow:0 0 0 1px rgba(0,0,0,.08),0 14px 40px -18px rgba(0,0,0,.45)}
.media-music video{max-width:300px}
.card.c-wide .card-media video{max-height:420px;object-fit:cover}
.perf{padding-top:12px}
.perf-grid{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.perf-grid div{background:linear-gradient(160deg,#1d1d22,#2b2b33);border-radius:16px;padding:16px;color:#fff;position:relative;overflow:hidden}
.perf-grid span{font-size:13px;opacity:.75}
.perf-grid i{display:block;height:8px;border-radius:9px;margin-bottom:12px;background:linear-gradient(90deg,var(--g1),var(--g2));width:0;transition:width 1.4s var(--ease)}
.card.in .perf-grid i,.reveal.in .perf-grid i{width:var(--w)}
.pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:48px}
.pills span{background:#fff;border-radius:99px;padding:9px 18px;font-size:15px;box-shadow:0 0 0 1px var(--lline)}

/* materials */
.big-video{margin:54px auto 0;width:min(1000px,100%);border-radius:26px;overflow:hidden;box-shadow:0 50px 120px -30px rgba(120,80,255,.5),0 0 0 1px rgba(255,255,255,.12)}
.big-video video{width:100%;height:auto}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:70px}
.mini{background:#111114;border-radius:24px;padding:28px;border:1px solid var(--line)}
.mini h4{margin:0 0 8px;font-size:20px}
.mini p{margin:0;color:var(--muted);font-size:15px}
.menu-shot{margin:56px auto 0;max-width:620px}
.menu-shot img{border-radius:20px;width:100%;height:auto;box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.1)}

/* memory */
.memcompare{max-width:760px;margin:56px auto 0;display:grid;gap:16px}
.bar{display:grid;grid-template-columns:70px 1fr;align-items:center;gap:16px;text-align:left}
.bar span{font-weight:600;color:var(--lmuted)}
.bar i{display:block;height:46px;border-radius:14px;background:#c7c7cc;width:0;transition:width 1.6s var(--ease);position:relative}
.bar i.after{background:linear-gradient(90deg,#3b6cff,#b13cff)}
.reveal.in .bar i{width:var(--w)}
.bar b{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:#fff;font-size:17px}

/* install */
.steps3{list-style:none;padding:0;margin:60px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.steps3 li{background:#111114;border:1px solid var(--line);border-radius:26px;padding:30px}
.steps3 b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--g1),var(--g2));font-size:18px;margin-bottom:16px}
.steps3 h4{margin:0 0 8px;font-size:22px}
.steps3 p{margin:0;color:var(--muted);font-size:15px}
.req{margin-top:20px;background:#111114;border:1px solid var(--line);border-radius:26px;padding:30px}
.req h4{margin:0 0 14px;font-size:22px}
.req ul{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.req li{color:#c7c7cc;font-size:16px;display:grid;grid-template-columns:110px 1fr;gap:12px;padding-top:12px;border-top:1px solid var(--line)}
.req li:first-child{border-top:0;padding-top:0}
.req b{color:var(--fg)}

/* timeline */
.timeline{list-style:none;margin:56px 0 28px;padding:0 0 0 26px;border-left:2px solid var(--lline)}
.timeline li{position:relative;padding:0 0 30px 22px}
.timeline li::before{content:"";position:absolute;left:-34px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--blue)}
.timeline time{font-weight:700;font-size:18px}
.timeline p{margin:4px 0 0;color:var(--lmuted);font-size:16px}
.band.light a{color:#06c}

/* faq */
.faq{margin-top:50px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-size:20px;font-weight:600;position:relative;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:#fff}
.faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:30px;font-weight:300;color:var(--muted);transition:transform .4s var(--ease)}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq p{margin:0;padding:0 40px 24px 0;color:#b4b4ba;font-size:17px;animation:faqin .5s var(--ease)}
@keyframes faqin{from{opacity:0;transform:translateY(-8px)}}

/* final + footer */
.final{position:relative;padding:clamp(90px,14vw,170px) 0;overflow:hidden;text-align:center}
.final .wrap{position:relative;z-index:1}
.final img{margin:0 auto 22px;border-radius:18px}
.final .hero-bg .o1{top:-10vw}
.footer{background:#0a0a0b;color:var(--muted);padding:56px 0 30px;font-size:13px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.foot-grid h5{margin:0 0 12px;color:var(--fg);font-size:13px}
.foot-grid a:not(.brand){display:block;padding:4px 0}
.foot-grid a:not(.brand):hover{color:#fff}
.foot-grid .brand{color:var(--fg);margin-bottom:10px}
.legal{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.legal p{margin:0}

/* reveal */
.reveal{opacity:0;transform:translateY(40px) scale(.985);transition:opacity .9s var(--ease) var(--d,0s),transform .9s var(--ease) var(--d,0s)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* responsive */
@media (max-width:980px){
  .nav-links{display:none}
  .nav-inner{justify-content:space-between}
  .stats,.three,.steps3{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr 1fr}
  .card,.card.c-third{grid-column:span 1}
  .card.c-wide{grid-column:span 2}
  .story-inner{grid-template-columns:1fr;gap:0}
  .story-stage{position:sticky;top:56px;order:-1;z-index:3;background:#000;padding:10px 0 4px}
  .stage-frame{aspect-ratio:16/10}
  .story-steps .step{min-height:62vh}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  .m-br{display:inline}.d-br{display:none}
  .wrap{width:calc(100% - 36px)}
  .bento{grid-template-columns:1fr}
  .card,.card.c-wide,.card.c-third{grid-column:span 1}
  .card-copy{padding:26px 24px 4px}
  .card-media{padding:18px 18px 22px}
  .hero{padding-top:calc(52px + 5vh)}
  .hero-icon{width:78px;height:78px}
  .hero-shot{border-radius:12px;transform:rotateX(8deg) scale(.94)}
  .hero-shot-wrap{margin-top:40px;padding-bottom:56px}
  .btn-lg{padding:13px 22px;font-size:16px}
  .cta-row{gap:18px}
  .req li{grid-template-columns:1fr;gap:2px}
  .bar{grid-template-columns:52px 1fr}
  .faq summary{font-size:17px}
  .foot-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .hero-shot{transform:none}
  .bar i{width:var(--w)}
  .perf-grid i{width:var(--w)}
}

.card-media img.fill{object-fit:cover;object-position:top left}
.card:has(img[src*="organizer"]) .card-media img{height:100%;object-fit:cover;object-position:top}
.media-music img{max-width:420px}

/* download card */
.dlcard{margin-top:56px;background:linear-gradient(160deg,#141418,#0d0d10);border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:0 50px 120px -50px rgba(90,100,255,.5)}
.dl-head{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.dl-head img{border-radius:14px}
.dl-head>div{flex:1;min-width:220px}
.dl-head h4{margin:0;font-size:26px;letter-spacing:-.01em}
.dl-head p{margin:4px 0 0;color:var(--muted);font-size:15px}
.dl-info{display:grid;gap:0;margin:26px 0 0;border-top:1px solid var(--line)}
.dl-info>div{display:grid;grid-template-columns:100px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}
.dl-info dt{color:var(--muted);font-size:14px}
.dl-info dd{margin:0;font-size:16px;min-width:0}
.dl-info .sha dd{display:flex;gap:12px;align-items:center}
.dl-info .sha code{word-break:break-all;font-size:13px;line-height:1.5;flex:1;letter-spacing:.02em}
.copy{flex:none;background:rgba(255,255,255,.1);color:var(--fg);border:0;border-radius:99px;padding:6px 14px;font:inherit;font-size:13px;cursor:pointer;transition:background .2s,transform .2s}
.copy:hover{background:rgba(255,255,255,.2)}.copy:active{transform:scale(.95)}
.dl-verify{margin:16px 0 0;color:var(--muted);font-size:14px}
.dl-links{display:flex;gap:26px;flex-wrap:wrap;margin:16px 0 0;font-size:15px}
.dl-links a{color:var(--blue)}
.dl-meta a{color:#7db9ff;text-decoration:underline;text-underline-offset:3px}
.timeline p a{margin-left:6px}
.rn{max-width:820px;margin:0 auto;padding:110px 24px 80px}
.rn h1{font-size:clamp(30px,5vw,48px);letter-spacing:-.02em}
.rn h2{margin-top:44px;font-size:26px}
.rn table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.rn th,.rn td{border-top:1px solid var(--line);padding:12px 10px;text-align:left;vertical-align:top;color:#c7c7cc}
.rn th{color:var(--fg)}
.rn li{color:#c7c7cc;margin:6px 0}
.rn a{color:var(--blue)}
@media (max-width:640px){
  .dlcard{padding:22px}
  .dl-head .btn{width:100%;justify-content:center}
  .dl-info>div{grid-template-columns:1fr;gap:4px}
  .dl-info .sha dd{flex-direction:column;align-items:flex-start}
  .rn table,.rn thead,.rn tbody,.rn tr,.rn td,.rn th{display:block}
  .rn thead{display:none}
  .rn td:first-child{font-weight:600;color:var(--fg);border-top:1px solid var(--line);padding-bottom:2px}
  .rn td{border-top:0;padding:4px 0}
}

.bar i.after b{left:calc(100% + 12px);right:auto;color:var(--lfg);white-space:nowrap}