:root{
  --bg:#fff;--ink:#1d1d1f;--ink2:#6e6e73;--line:rgba(0,0,0,.08);--soft:#f5f5f7;
  --acc:#ff6a3d;--acc2:#e2412a;--grad:linear-gradient(100deg,#ff9a5c 0%,#ff5e3a 45%,#e83e8c 100%);
  --ease:cubic-bezier(.22,1,.36,1);--ease2:cubic-bezier(.65,0,.35,1);
  --r:22px;--font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Inter","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.47;letter-spacing:-.011em;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-tap-highlight-color:transparent}
a{color:inherit;-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid #0a84ff;outline-offset:3px;border-radius:10px}
[hidden]{display:none!important}

/* ---------- brand / nav ---------- */
.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-weight:650;font-size:19px;letter-spacing:-.025em}
.mark{width:28px;height:28px;flex:none;border-radius:8px}
.nav{position:fixed;inset:0 0 auto;z-index:50;padding-top:env(safe-area-inset-top);color:#f5f5f7;transition:background .5s var(--ease),color .5s var(--ease),box-shadow .5s}
.nav-in{max-width:1080px;margin:0 auto;height:56px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav.glass{background:rgba(22,22,23,.72);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.nav.glass.on-light{background:rgba(255,255,255,.72);color:var(--ink);box-shadow:0 1px 0 rgba(0,0,0,.08)}
.nav-links{display:none;gap:28px;font-size:13px;opacity:.85}
.nav-links a{text-decoration:none}
.pill{background:var(--acc);color:#fff;font-size:14px;font-weight:600;padding:8px 16px;border-radius:999px;transition:transform .3s var(--ease),background .3s}
.pill:active{transform:scale(.95)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:999px;padding:12px 22px;font-size:16px;text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s}
.btn:active{transform:scale(.96)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 30px -10px rgba(255,94,58,.7)}
.btn-lg{font-size:17px;padding:17px 30px}
.btn-block{display:flex;width:100%}
.btn-ghost{background:var(--soft);color:var(--ink)}
.btn-amz{background:#ffd814;color:#0f1111;box-shadow:0 8px 24px -10px rgba(240,190,0,.8)}
.btn-sm{font-size:14px;padding:8px 16px;background:var(--acc);color:#fff}
.link-arrow{color:#2997ff;text-decoration:none;font-size:17px;font-weight:500}
.link-arrow span{display:inline-block;transition:transform .3s var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- sections ---------- */
.dark{background:#000;color:#f5f5f7}
.light{background:#f5f5f7}
.sec{padding:96px 20px;overflow:hidden}
.sec-head{max-width:760px;margin:0 auto 40px;text-align:center}
.kicker{font-size:17px;font-weight:600;color:var(--acc);margin-bottom:10px;letter-spacing:-.01em}
.dark .kicker{color:#ff8a5b}
h1,h2{letter-spacing:-.045em;line-height:1.02;font-weight:700}
h2{font-size:clamp(40px,11vw,80px)}
.sub{font-size:19px;color:var(--ink2);margin:18px auto 0;max-width:560px;line-height:1.42}
.dark .sub{color:#a1a1a6}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(34px);transition:opacity 1s var(--ease),transform 1.1s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}

/* ---------- hero ---------- */
.hero{padding:calc(76px + env(safe-area-inset-top)) 0 56px;text-align:center;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -40% auto;height:70%;background:radial-gradient(closest-side,rgba(255,106,61,.28),transparent 70%);filter:blur(10px);pointer-events:none}
.hero-copy{position:relative;padding:0 22px;max-width:820px;margin:0 auto}
.eyebrow{font-size:17px;font-weight:600;color:#ff8a5b;margin-bottom:8px}
.hero h1{font-size:clamp(50px,15vw,120px);letter-spacing:-.055em;line-height:.96}
.lead{font-size:18px;color:#a1a1a6;margin:16px auto 0;max-width:520px;line-height:1.42}
.cta-row{display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 22px;margin-top:24px}
.stage{position:relative;margin-top:34px;perspective:1200px}
.stage-in{position:relative;margin:0 auto;width:100%;max-width:1080px;will-change:transform;transform-origin:50% 0}
.stage .wipe{aspect-ratio:4/5;border-radius:0;overflow:hidden}
.stage .wipe img{height:100%;object-fit:cover}
.stage-fade{position:absolute;inset:auto 0 0;height:90px;background:linear-gradient(transparent,#000);pointer-events:none}
.stage-tags{position:absolute;top:16px;left:16px;right:16px;display:flex;justify-content:space-between;pointer-events:none}
.tag{font-size:13px;font-weight:600;color:#fff;padding:7px 13px;border-radius:999px;background:rgba(0,0,0,.35);-webkit-backdrop-filter:blur(14px) saturate(160%);backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.18);transition:opacity .5s}
.tag-r{background:rgba(255,106,61,.55)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:620px;margin:20px auto 0;padding:0 18px}
.hero-stats div{display:flex;flex-direction:column;gap:2px}
.hero-stats b{font-size:21px;letter-spacing:-.03em}
.hero-stats span{font-size:13px;color:#86868b}

/* ---------- wipe (auto before/after) ---------- */
.wipe{position:relative;overflow:hidden;--pos:50%;background:#111;isolation:isolate}
.wipe img{width:100%;height:auto;user-select:none;-webkit-user-drag:none}
.w-before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.w-before img{width:100%;height:100%;object-fit:cover}
.w-line{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:rgba(255,255,255,.95);box-shadow:0 0 24px 4px rgba(255,255,255,.55);pointer-events:none}
.w-line span{position:absolute;top:0;bottom:0;left:-60px;width:60px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18))}
.wipe.rest .w-line{opacity:0;transition:opacity .4s}

/* ---------- style carousel ---------- */
.carousel{max-width:1000px;margin:0 auto}
.car-frame{position:relative;aspect-ratio:1024/752;border-radius:var(--r);overflow:hidden;background:#ddd;box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
.car-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.08);transition:opacity 1.1s var(--ease),transform 6s linear}
.car-frame img.on{opacity:1;transform:scale(1)}
.car-label{position:absolute;left:16px;bottom:18px;color:#fff;font-weight:700;font-size:30px;letter-spacing:-.04em;text-shadow:0 2px 20px rgba(0,0,0,.4);transition:opacity .4s,transform .6s var(--ease)}
.car-label.swap{opacity:0;transform:translateY(10px)}
.car-prog{position:absolute;left:16px;right:16px;bottom:10px;height:3px;border-radius:3px;background:rgba(255,255,255,.3);overflow:hidden}
.car-prog i{display:block;height:100%;width:0;background:#fff;border-radius:3px}
.car-tabs{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:18px 2px 4px;scroll-snap-type:x mandatory;justify-content:flex-start}
.car-tabs::-webkit-scrollbar{display:none}
.car-tabs button{flex:none;scroll-snap-align:center;display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:#fff;font-size:15px;font-weight:600;color:var(--ink2);border:1px solid var(--line);transition:all .4s var(--ease)}
.car-tabs button i{width:8px;height:8px;border-radius:50%;background:#d2d2d7;transition:background .4s}
.car-tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.car-tabs button.on i{background:var(--acc)}

/* ---------- modes ---------- */
.modes{display:grid;gap:18px;max-width:1000px;margin:0 auto}
.mode-card{background:#141416;border-radius:28px;overflow:hidden;border:1px solid rgba(255,255,255,.07)}
.mc-media{position:relative}
.mc-media .wipe{aspect-ratio:1024/752}
.mc-copy{padding:22px 22px 26px}
.mc-copy h3{font-size:28px;letter-spacing:-.035em;margin:12px 0 6px}
.mc-copy p{color:#a1a1a6;font-size:17px}
.mc-ico{width:48px;height:48px;border-radius:14px;background:rgba(255,106,61,.14);color:#ff8a5b;display:grid;place-items:center}
.mc-ico svg{width:30px;height:30px}
.sp{transform-origin:24px 27px;animation:twinkle 2.4s var(--ease) infinite}
.sp2{animation:dash 1.6s linear infinite}
@keyframes twinkle{0%,100%{transform:scale(.7) rotate(0);opacity:.6}50%{transform:scale(1.1) rotate(45deg);opacity:1}}
@keyframes dash{to{stroke-dashoffset:-14}}
.focus{position:absolute;left:var(--fx);top:var(--fy);width:34%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;border:2px solid rgba(255,255,255,.9);box-shadow:0 0 0 9999px rgba(0,0,0,.0);animation:focus 3.2s var(--ease) infinite;pointer-events:none}
@keyframes focus{0%{transform:translate(-50%,-50%) scale(.6);opacity:0}25%{opacity:1}70%{transform:translate(-50%,-50%) scale(1);opacity:.9}100%{transform:translate(-50%,-50%) scale(1.15);opacity:0}}

/* ---------- shop ---------- */
.shopstage{position:relative;max-width:1000px;margin:0 auto;border-radius:var(--r);overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.35)}
.shopstage>img{width:100%}
.hot{position:absolute;left:var(--x);top:var(--y);width:30px;height:30px;margin:-15px 0 0 -15px;display:grid;place-items:center;opacity:0;transform:scale(.3);transition:opacity .6s var(--ease) var(--d),transform .8s cubic-bezier(.34,1.56,.64,1) var(--d)}
.shopstage.in .hot{opacity:1;transform:none}
.hot .dot{width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.35)}
.hot::before{content:"";position:absolute;inset:0;border-radius:50%;background:rgba(255,255,255,.45);animation:ping 2.2s var(--ease) infinite}
@keyframes ping{0%{transform:scale(.4);opacity:1}100%{transform:scale(1.6);opacity:0}}
.floats{position:absolute;inset:0;pointer-events:none}
.float{pointer-events:auto;position:absolute;display:flex;align-items:center;gap:9px;padding:7px 12px 7px 7px;border-radius:16px;text-decoration:none;color:var(--ink);background:rgba(255,255,255,.78);-webkit-backdrop-filter:blur(18px) saturate(180%);backdrop-filter:blur(18px) saturate(180%);box-shadow:0 12px 30px -10px rgba(0,0,0,.35);font-size:12px;line-height:1.2;max-width:48%;opacity:0;transform:translateY(24px) scale(.9);transition:opacity .7s var(--ease) var(--d),transform .9s cubic-bezier(.34,1.4,.64,1) var(--d)}
.float img{width:40px;height:40px;object-fit:contain;background:#fff;border-radius:10px;flex:none}
.float b{display:block;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float em{font-style:normal;color:var(--ink2)}
.float div{min-width:0}
.shopstage.in .float{opacity:1;transform:none}
.shopstage.in .float{animation:bob 5s ease-in-out infinite;animation-delay:calc(var(--d) + 1s)}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 -5px}}
.f1{left:3%;top:5%}.f0{right:3%;top:36%}.f2{left:3%;bottom:6%}.f3{display:none!important}
@media (min-width:700px){.f0{left:auto;right:3%;top:6%}.f1{left:3%;top:6%}.f2{right:3%;left:auto;bottom:6%}.f3{display:flex!important;left:3%;bottom:6%}}
.look-sum{max-width:1000px;margin:26px auto 14px;display:flex;justify-content:space-between;align-items:baseline;font-size:15px;color:var(--ink2)}
.look-sum b{color:var(--ink);font-size:17px}
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;max-width:1000px;margin:0 auto}
.pcard{display:flex;flex-direction:column;background:#fff;border-radius:20px;overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .4s var(--ease),box-shadow .4s var(--ease);box-shadow:0 1px 2px rgba(0,0,0,.04)}
.pcard:active{transform:scale(.97)}
.pcard img{aspect-ratio:1;object-fit:contain;background:#fff;padding:14px;width:100%}
.pinfo{padding:4px 14px 14px;display:flex;flex-direction:column;gap:3px;flex:1}
.pname{font-size:14px;font-weight:600;line-height:1.25;letter-spacing:-.015em}
.pprice{font-size:13px;color:var(--ink2)}
.pbtn{margin-top:auto;padding-top:10px;font-size:13px;font-weight:600;color:#0066cc}
.pbtn::after{content:" ›"}
.stagger>*{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .9s var(--ease)}
.stagger.in>*{opacity:1;transform:none}
.stagger.in>*:nth-child(2){transition-delay:.06s}.stagger.in>*:nth-child(3){transition-delay:.12s}.stagger.in>*:nth-child(4){transition-delay:.18s}.stagger.in>*:nth-child(5){transition-delay:.24s}.stagger.in>*:nth-child(6){transition-delay:.3s}.stagger.in>*:nth-child(7){transition-delay:.36s}.stagger.in>*:nth-child(8){transition-delay:.42s}

/* ---------- steps ---------- */
.steps{list-style:none;display:grid;gap:14px;max-width:1000px;margin:0 auto}
.steps li{background:#141416;border:1px solid rgba(255,255,255,.07);border-radius:24px;padding:26px}
.steps .n{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--grad);font-weight:700;color:#fff;margin-bottom:14px}
.steps h3{font-size:24px;letter-spacing:-.03em;margin-bottom:4px}
.steps p{color:#a1a1a6}

/* ---------- final ---------- */
.final{position:relative;overflow:hidden;color:#fff;text-align:center;padding:130px 22px;background:#000}
.final-bg{position:absolute;inset:0}
.final-bg img{width:100%;height:100%;object-fit:cover;opacity:.45;transform:scale(1.15);will-change:transform}
.final-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 40%,rgba(0,0,0,.6) 100%)}
.final-in{position:relative}
.final h2{font-size:clamp(40px,11vw,76px);margin-bottom:30px}
.micro{font-size:14px;color:rgba(255,255,255,.7);margin-top:16px}

/* ---------- footer ---------- */
.foot{background:var(--soft);color:var(--ink2);font-size:12px;line-height:1.55;padding:34px 20px calc(34px + env(safe-area-inset-bottom))}
.foot-in{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.foot .brand{color:var(--ink);font-size:16px;margin-bottom:6px}
.foot .mark{width:22px;height:22px;border-radius:6px}
.foot b{color:var(--ink)}
.foot a{color:#0066cc}

/* ============ APP ============ */
.app{position:fixed;inset:0;z-index:100;background:#fff;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;animation:sheetUp .6s var(--ease)}
@keyframes sheetUp{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
.app-top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:calc(8px + env(safe-area-inset-top)) 12px 8px;background:rgba(255,255,255,.78);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px)}
.app-brand{display:flex;align-items:center;gap:8px;font-weight:650;font-size:17px;letter-spacing:-.02em}
.app-brand .mark{width:24px;height:24px;border-radius:7px}
.icon-btn{width:38px;height:38px;border-radius:50%;background:var(--soft);display:grid;place-items:center}
.icon-btn svg{width:20px;height:20px}
.app-steps{display:flex;gap:6px;max-width:560px;margin:0 auto;padding:0 20px}
.app-steps i{flex:1;height:3px;border-radius:3px;background:#e8e8ed;overflow:hidden;position:relative}
.app-steps i::after{content:"";position:absolute;inset:0;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.app-steps i.done::after{transform:none}
.pane{max-width:560px;margin:0 auto;padding:22px 20px 40px;animation:paneIn .6s var(--ease)}
@keyframes paneIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.pane .in{animation:paneIn .8s var(--ease) both}
.pane .in.d1{animation-delay:.08s}.pane .in.d2{animation-delay:.16s}.pane .in.d3{animation-delay:.24s}
.pane-title{font-size:36px;letter-spacing:-.045em;line-height:1.05;margin-top:12px}
.pane-sub{color:var(--ink2);font-size:17px;margin-top:10px}

/* dropzone */
.drop{position:relative;display:block;width:100%;margin-top:26px;border-radius:28px;padding:3px;overflow:hidden;isolation:isolate;text-align:center}
.drop-glow{position:absolute;inset:-60%;z-index:-1;background:conic-gradient(from 0deg,#ff9a5c,#ff5e3a,#e83e8c,#7a5cff,#2997ff,#ff9a5c);animation:spin 5s linear infinite;opacity:.9}
@keyframes spin{to{transform:rotate(1turn)}}
.drop-in{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;min-height:300px;border-radius:25px;background:linear-gradient(180deg,#fff,#faf8f6);padding:30px}
.drop-ico{width:84px;height:84px;border-radius:26px;display:grid;place-items:center;color:#fff;background:var(--grad);box-shadow:0 18px 40px -14px rgba(255,94,58,.8);margin-bottom:12px;animation:float 3.2s ease-in-out infinite}
.drop-ico svg{width:44px;height:44px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.drop b{font-size:21px;letter-spacing:-.025em}
.drop small{color:var(--ink2);font-size:15px}
.drop:active .drop-in{transform:scale(.985)}
.drop.over .drop-in{background:#fff4ef}
.only-mouse{display:none}
@media (hover:hover) and (pointer:fine){.only-mouse{display:block}.only-touch{display:none}}
.tips{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;margin-top:20px;color:var(--ink2);font-size:14px}

/* setup */
.photo-preview{position:relative;border-radius:24px;overflow:hidden;background:#eee;box-shadow:0 20px 40px -24px rgba(0,0,0,.4)}
.photo-preview img{width:100%;max-height:46vh;object-fit:cover}
.pp-scan{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,transparent 0%,rgba(255,138,91,.0) 40%,rgba(255,138,91,.5) 50%,transparent 51%);background-size:100% 200%;animation:scanY 1.8s linear infinite}
.photo-preview.done .pp-scan{opacity:0;transition:opacity .6s}
@keyframes scanY{from{background-position:0 100%}to{background-position:0 -100%}}
.scan{position:absolute;left:12px;bottom:12px;font-size:13px;font-weight:600;color:#fff;padding:7px 12px;border-radius:999px;background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.scan.done{background:rgba(52,199,89,.85)}
.pp-change{position:absolute;right:12px;bottom:12px;font-size:13px;font-weight:600;color:#fff;padding:7px 12px;border-radius:999px;background:rgba(0,0,0,.45);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.room-read{font-size:15px;color:var(--ink2);margin:12px 4px 0;min-height:1em}
.q{font-size:26px;letter-spacing:-.035em;margin:26px 0 14px}
.q2{font-size:17px;letter-spacing:-.02em;margin:26px 0 12px}
.q2 small{font-weight:400;color:var(--ink2)}
.mode-cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mode{position:relative;text-align:left;display:flex;flex-direction:column;gap:6px;padding:16px;border-radius:22px;background:var(--soft);border:2px solid transparent;transition:transform .4s var(--ease),border-color .3s,background .3s,box-shadow .4s var(--ease)}
.mode .mi{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:#fff;color:var(--ink2);margin-bottom:6px;transition:all .4s var(--ease)}
.mode .mi svg{width:30px;height:30px}
.mode b{font-size:17px;letter-spacing:-.02em}
.mode small{font-size:13px;color:var(--ink2);line-height:1.35}
.mode .check{position:absolute;top:14px;right:14px;width:22px;height:22px;border-radius:50%;border:2px solid #d2d2d7;transition:all .3s var(--ease)}
.mode.on{background:#fff;border-color:var(--acc);box-shadow:0 14px 30px -18px rgba(255,94,58,.8)}
.mode.on .mi{background:var(--grad);color:#fff;transform:scale(1.05)}
.mode.on .check{border-color:var(--acc);background:var(--acc) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12l4 4 8-8' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.mode:active{transform:scale(.97)}
.partbox{animation:paneIn .5s var(--ease)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips button{display:inline-flex;align-items:center;gap:8px;padding:10px 15px;border-radius:999px;background:var(--soft);font-size:15px;font-weight:500;border:2px solid transparent;transition:all .3s var(--ease)}
.chips button:active{transform:scale(.95)}
.chips button.on{background:#fff;border-color:var(--ink);font-weight:600}
.chips.areas button svg{width:20px;height:20px}
.chips.styles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.chips.styles button{flex-direction:column;align-items:stretch;gap:6px;padding:6px 6px 10px;border-radius:18px;font-size:14px;font-weight:600}
.chips.styles button img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:13px}
.chips.styles button.on{border-color:var(--acc);box-shadow:0 10px 24px -14px rgba(255,94,58,.9)}
.chips.seg button{font-size:14px}
.note{width:100%;margin-top:12px;padding:14px 16px;border-radius:16px;border:1px solid #d2d2d7;font:inherit;font-size:16px;background:#fff}
.note:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 4px rgba(255,106,61,.15)}
.sticky-cta{position:sticky;bottom:0;margin:28px -20px 0;padding:14px 20px calc(14px + env(safe-area-inset-bottom));background:linear-gradient(transparent,#fff 30%)}
.spark{display:inline-block;animation:twinkle 2s ease-in-out infinite}
.err{background:#fff1f0;color:#b42318;border-radius:16px;padding:14px 16px;margin-bottom:14px;font-size:15px;animation:paneIn .5s var(--ease)}

/* working */
.pane-work{min-height:calc(100vh - 80px)}
.work{display:flex;flex-direction:column;gap:22px}
.work-photo{position:relative;border-radius:26px;overflow:hidden;background:#111;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.work-photo img{width:100%;max-height:52vh;object-fit:cover;filter:saturate(.6) brightness(.85);animation:breathe 3s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:scale(1)}50%{transform:scale(1.03)}}
.w-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.12) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);-webkit-mask-image:linear-gradient(180deg,transparent,#000 30%,#000 70%,transparent);animation:gridMove 4s linear infinite}
@keyframes gridMove{to{background-position:0 32px,32px 0}}
.w-scan{position:absolute;left:0;right:0;height:38%;top:-38%;background:linear-gradient(180deg,transparent,rgba(255,138,91,.35) 70%,rgba(255,255,255,.95) 99%,transparent);animation:scan 2.2s var(--ease2) infinite}
@keyframes scan{0%{top:-38%}100%{top:100%}}
.w-dots i{position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:0 0 0 0 rgba(255,255,255,.6);animation:dotp 2.4s ease-out infinite;opacity:0}
.w-dots i:nth-child(1){left:22%;top:60%;animation-delay:.2s}.w-dots i:nth-child(2){left:66%;top:58%;animation-delay:.7s}.w-dots i:nth-child(3){left:48%;top:82%;animation-delay:1.1s}.w-dots i:nth-child(4){left:80%;top:30%;animation-delay:1.5s}.w-dots i:nth-child(5){left:30%;top:32%;animation-delay:1.9s}.w-dots i:nth-child(6){left:88%;top:70%;animation-delay:.4s}
@keyframes dotp{0%{opacity:0;transform:scale(.3);box-shadow:0 0 0 0 rgba(255,255,255,.7)}20%{opacity:1;transform:scale(1)}100%{opacity:0;box-shadow:0 0 0 18px rgba(255,255,255,0)}}
.work-title{font-size:26px;font-weight:700;letter-spacing:-.035em;text-align:center;transition:opacity .4s}
.work-title.swap{opacity:0}
.work-bar{height:5px;border-radius:5px;background:#eee;margin:14px auto 0;max-width:300px;overflow:hidden}
.work-bar i{display:block;height:100%;width:0;background:var(--grad);border-radius:5px;transition:width .6s var(--ease)}
.work-steps{display:flex;flex-direction:column;gap:10px;max-width:320px;margin:0 auto;width:100%}
.work-steps div{display:flex;align-items:center;gap:12px;font-size:15px;color:#b0b0b5;transition:color .4s}
.work-steps div::before{content:"";width:20px;height:20px;border-radius:50%;border:2px solid #e0e0e5;flex:none;transition:all .4s var(--ease)}
.work-steps div.on{color:var(--ink);font-weight:600}
.work-steps div.on::before{border-color:var(--acc);border-top-color:transparent;animation:spin .8s linear infinite}
.work-steps div.ok{color:var(--ink2)}
.work-steps div.ok::before{border-color:#34c759;background:#34c759 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12l4 4 8-8' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.picks{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.picks img{width:56px;height:56px;border-radius:14px;object-fit:contain;background:#fff;box-shadow:0 6px 16px -8px rgba(0,0,0,.3);border:1px solid var(--line);animation:pop .6s cubic-bezier(.34,1.56,.64,1) both}
@keyframes pop{from{opacity:0;transform:scale(.4) translateY(10px)}to{opacity:1;transform:none}}

/* result */
.res-title{font-size:32px;letter-spacing:-.045em;margin:6px 0 16px;animation:paneIn .8s var(--ease)}
.ba{position:relative;overflow:hidden;border-radius:24px;--pos:50%;touch-action:pan-y;user-select:none;background:#111;box-shadow:0 30px 60px -30px rgba(0,0,0,.5);cursor:ew-resize}
.ba img{width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-drag:none}
.ba-after{display:block}
.ba-before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba-handle{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:#fff;box-shadow:0 0 16px rgba(0,0,0,.25)}
.ba-handle span{position:absolute;top:50%;left:50%;width:44px;height:44px;margin:-22px 0 0 -22px;border-radius:50%;background:rgba(255,255,255,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.25);color:var(--ink);font-size:14px;font-weight:700}
.ba-handle span svg{width:22px;height:22px}
.ba-tag{position:absolute;top:12px;font-size:12px;font-weight:600;color:#fff;padding:6px 11px;border-radius:999px;background:rgba(0,0,0,.4);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.ba-tag-l{left:12px}.ba-tag-r{right:12px;background:rgba(255,106,61,.7)}
.ba.revealing .ba-handle,.ba.revealing .ba-tag{opacity:0}
.ba .ba-handle,.ba .ba-tag{transition:opacity .5s}
.reveal-flash{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at var(--pos) 50%,rgba(255,255,255,.55),transparent 40%);opacity:0}
.ba.revealing .reveal-flash{opacity:1}
.hint{text-align:center;color:var(--ink2);font-size:13px;margin-top:10px}
.res-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.act{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 6px;border-radius:18px;background:var(--soft);font-size:13px;font-weight:600;transition:transform .3s var(--ease)}
.act svg{width:22px;height:22px}
.act:active{transform:scale(.95)}
.shop{margin-top:30px}
.shop-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:14px}
.shop-head h2{font-size:26px;letter-spacing:-.035em}
.total{font-size:14px;color:var(--ink2);text-align:right}
.plist{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.pitem{display:flex;gap:14px;align-items:center;padding:10px;border-radius:20px;background:#fff;border:1px solid var(--line);text-decoration:none;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.03);opacity:0;transform:translateY(30px);animation:slideUp .7s var(--ease) forwards}
.pitem img{width:76px;height:76px;object-fit:contain;border-radius:14px;background:#fff;flex:none}
.pitem>div{flex:1;min-width:0}
.pcat{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink2);font-weight:600}
.pitem .pname{margin:2px 0 6px}
.pitem .row{display:flex;justify-content:space-between;align-items:center;gap:8px}
.pitem .pbtn{margin:0;padding:7px 12px;border-radius:999px;background:#ffd814;color:#0f1111;font-size:12px;white-space:nowrap}
.pitem .pbtn::after{content:""}
@keyframes slideUp{to{opacity:1;transform:none}}
.fine{font-size:12px;color:var(--ink2);margin-top:12px;text-align:center}
.again{margin-top:30px;padding-top:6px;border-top:1px solid var(--line)}
.again .btn{margin-top:16px}
.toast{position:fixed;left:50%;bottom:calc(28px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:200;background:rgba(29,29,31,.92);color:#fff;padding:12px 18px;border-radius:999px;font-size:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:paneIn .4s var(--ease)}

/* ---------- simple pages (share, credits, 404) ---------- */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:calc(10px + env(safe-area-inset-top)) 18px 10px;background:rgba(255,255,255,.78);-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
.top .brand img{height:30px;width:auto}
.page h1{font-size:clamp(34px,9vw,56px);letter-spacing:-.045em;line-height:1.05}
.page .pgrid{margin-top:4px}
.page .pane a:not(.btn){color:#0066cc}
.page ul{padding-left:20px}

/* ---------- larger screens ---------- */
@media (min-width:700px){
  .nav-links{display:flex}
  .stage .wipe{aspect-ratio:16/9;border-radius:28px}
  .stage-in{width:calc(100% - 48px)}
  .stage-fade{display:none}
  .stage-tags{top:22px;left:22px;right:22px}
  .modes{grid-template-columns:1fr 1fr}
  .pgrid{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .sec{padding:140px 24px}
  .car-tabs{justify-content:center}
  .car-label{font-size:44px;left:26px;bottom:28px}
  .float{font-size:14px;max-width:40%}
  .float img{width:52px;height:52px}
  .pane{padding-top:30px}
}
@media (hover:hover){
  .pcard:hover{transform:translateY(-4px);box-shadow:0 20px 40px -20px rgba(0,0,0,.25)}
  .btn-primary:hover{box-shadow:0 16px 40px -12px rgba(255,94,58,.85);transform:translateY(-1px)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .rv,.stagger>*{opacity:1;transform:none}
}
.btn-hero{font-size:17px;padding:15px 26px}

/* ---------- step: what room is this? ---------- */
.room-photo img{max-height:24vh}
.room-hint{margin:14px 2px 0;font-size:15px;line-height:1.4;color:var(--ink2);animation:paneIn .6s var(--ease) both}
.room-hint b{color:var(--ink)}
.room-hint .spark{color:var(--acc)}
.room-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.rtile{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-height:118px;padding:16px;border-radius:22px;background:var(--soft);border:2px solid transparent;text-align:left;color:var(--ink);transition:transform .4s var(--ease),border-color .3s,background .3s,box-shadow .4s var(--ease);-webkit-tap-highlight-color:transparent}
.rtile:active{transform:scale(.96)}
.rtile .ri{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;background:#fff;color:var(--ink2);transition:all .4s var(--ease)}
.rtile .ri svg{width:30px;height:30px}
.rtile b{font-size:18px;letter-spacing:-.02em;margin-top:auto}
.rtile .check{position:absolute;top:14px;right:14px;width:22px;height:22px;border-radius:50%;border:2px solid #d2d2d7;transition:all .3s var(--ease)}
.rtile .guess-tag{position:absolute;bottom:18px;right:14px;font-size:11px;font-weight:600;letter-spacing:.01em;color:var(--acc2);background:rgba(255,106,61,.1);padding:3px 8px;border-radius:999px;opacity:0;transform:translateY(-4px);transition:all .4s var(--ease)}
.rtile.guess{border-color:rgba(255,106,61,.4);border-style:dashed;background:#fff}
.rtile.guess .ri{background:var(--soft);color:var(--acc2)}
.rtile.guess .guess-tag{opacity:1;transform:none}
.rtile.on{background:#fff;border-style:solid;border-color:var(--acc);box-shadow:0 14px 30px -18px rgba(255,94,58,.8)}
.rtile.on .ri{background:var(--grad);color:#fff;transform:scale(1.06)}
.rtile.on .guess-tag{opacity:0}
.rtile.on .check{border-color:var(--acc);background:var(--acc) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12l4 4 8-8' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.rtile-other{grid-column:1/-1;flex-direction:row;align-items:center;min-height:0}
.rtile-other b{margin-top:0}
.other-box{margin-top:12px;display:grid;gap:12px;animation:paneIn .5s var(--ease) both}
.other-box .note{margin-top:0}
.other-box .btn[disabled]{opacity:.45}
.room-pill{display:inline-flex;align-items:center;gap:10px;margin:14px 0 0;padding:9px 10px 9px 16px;border-radius:999px;background:var(--soft);font:inherit;font-size:15px;font-weight:600;color:var(--ink)}
.room-pill em{font-style:normal;font-size:13px;font-weight:600;color:var(--acc2);background:#fff;padding:4px 10px;border-radius:999px}
@media (prefers-reduced-motion:reduce){.rtile,.rtile .ri,.room-hint,.other-box{transition:none;animation:none}}