:root{
  --accent:#FC9A46; --accent-ink:#C8630F; --accent-soft:#FFF4EA;
  --ink:#141414; --text:#2A2A2A; --muted:#6B6B6B; --line:#ECECEC;
  --bg:#FFFFFF; --bg-alt:#FAFAF9; --radius:20px;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 30px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.6 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}
h1{font-size:clamp(2.3rem,5.2vw,4rem);font-weight:700;letter-spacing:-.035em}
h2{font-size:clamp(1.75rem,3.4vw,2.6rem);font-weight:700}
h3{font-size:1.15rem;font-weight:650}
p{margin:0 0 1em}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.center{text-align:center}
.accent{color:var(--accent-ink)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:99;border-radius:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;font-size:1rem;padding:15px 26px;border-radius:999px;transition:transform .15s ease,background .15s ease,box-shadow .15s ease;box-shadow:0 6px 18px rgba(0,0,0,.12)}
.btn::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}
.btn:hover{transform:translateY(-1px);background:#000}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.btn-sm{padding:10px 18px;font-size:.92rem;box-shadow:none}
.btn-lg{padding:18px 32px;font-size:1.08rem}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.brand-mark{width:38px;height:auto}
.brand-word{width:150px;height:auto}
.links{display:flex;gap:26px;margin-left:auto}
.links a{text-decoration:none;color:var(--muted);font-size:.95rem;font-weight:500}
.links a:hover{color:var(--ink)}

/* hero */
.hero{padding:84px 0 72px;background:radial-gradient(900px 420px at 85% 10%,var(--accent-soft),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:18px}
.lede{font-size:1.2rem;color:#444;max-width:34em;margin-bottom:30px}
.fine{font-size:.9rem;color:var(--muted);margin-top:14px}

/* sections */
.section{padding:96px 0}
.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.big{font-size:1.25rem;color:var(--ink)}
.problem p:last-child{color:#444}
.intro{max-width:44em;color:#444;font-size:1.08rem}

.steps{list-style:none;padding:0;margin:40px 0 44px;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;position:relative}
.step p{margin:0;color:#444}
.num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent-ink);font-weight:700;font-size:.95rem;margin-bottom:16px}
.step h3 small{display:block;font-size:.88rem;font-weight:500;color:var(--muted);margin-top:4px;letter-spacing:0}
.ladder{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.ladder li{padding-left:16px;border-left:2px solid var(--accent);color:#444;font-size:.97rem}
.ladder b{color:var(--ink);font-weight:600;margin-right:4px}

.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.tile{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;transition:box-shadow .2s ease,transform .2s ease}
.tile:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.tile h3{display:flex;align-items:center;gap:10px}
.tile h3::before{content:"";width:10px;height:10px;border-radius:3px;background:var(--accent);flex:none}
.tile p{margin:0;color:#444;font-size:.97rem}
.caption{text-align:center;color:var(--muted);font-size:.95rem;margin-top:28px}

.about{display:grid;grid-template-columns:1.3fr .7fr;gap:56px;align-items:start}
.about p{color:#444}
.creds{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.creds li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column}
.creds .k{font-size:1.5rem;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.creds li span:last-child{color:var(--muted);font-size:.92rem}
.creds li.small{background:transparent;border:0;padding:4px 2px;font-size:.88rem;color:var(--muted)}

details{border-bottom:1px solid var(--line);padding:4px 0}
details:first-of-type{border-top:1px solid var(--line);margin-top:28px}
summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-weight:600;color:var(--ink);font-size:1.06rem;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:1.4rem;font-weight:400;color:var(--accent-ink);transition:transform .2s}
details[open] summary::after{content:"–"}
details p{color:#444;margin:0 0 18px;padding-right:40px}

.cta{background:radial-gradient(800px 360px at 50% 50%,var(--accent-soft),transparent 72%)}
.cta .big{margin-bottom:32px}

.foot{border-top:1px solid var(--line);padding:48px 0 56px}
.foot-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.foot img{width:120px;margin-bottom:10px}
.foot p{margin:0;color:var(--text);font-size:.92rem}
.foot .muted{color:var(--muted);font-size:.85rem}

/* responsive */
@media (max-width:980px){
  .links{display:none}
  .nav-cta{margin-left:auto}
  .hero-grid,.about{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:520px;width:100%;margin:0 auto}
  .grid4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .nav-inner{height:60px}
  .nav-cta{display:none}
  .brand-mark{width:32px}.brand-word{width:132px}
  .hero{padding:48px 0 48px}
  .lede{font-size:1.08rem}
  .hero .btn{width:100%}
  .section{padding:64px 0}
  .steps,.grid4{grid-template-columns:1fr}
  .step,.tile{padding:22px}
  .btn-lg{width:100%;padding:17px 20px}
  .center .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* v2: apps strip */
.apps{margin-top:56px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:28px;border-top:1px solid var(--line)}
.apps-label{font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.apps ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.apps li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:500;color:var(--ink)}

/* v2: capability grid */
.caps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.cap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:box-shadow .2s ease,transform .2s ease}
.cap:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.cap-ico{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent-ink);font-weight:700;font-size:1.1rem;margin-bottom:16px}
.cap h3{font-size:1.06rem}
.cap p{margin:0;color:#444;font-size:.95rem}

/* v2: boundary band */
.boundary{background:var(--ink);color:#EDEDED}
.boundary h2{color:#fff}
.boundary .eyebrow{color:var(--accent)}
.boundary .big{color:#CFCFCF}
.bound-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.bound-yes{border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:32px 36px;background:rgba(255,255,255,.04)}
.bound-kicker{margin:0 0 6px;color:#BDBDBD;font-size:1.05rem}
.bound-yes ul{list-style:none;margin:0 0 6px;padding:0}
.bound-yes li{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.25}
.bound-close{margin:6px 0 0;font-size:clamp(1.3rem,2.4vw,1.7rem);font-weight:700;color:var(--accent)}

/* v2: roi */
.roi p:last-child{color:#444;margin-bottom:0}

/* v2: safety strip */
.safety{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin:0 0 40px}
.safety h3{margin-bottom:14px}
.safety ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.safety li{display:flex;flex-direction:column;padding-left:14px;border-left:2px solid var(--accent)}
.safety b{color:var(--ink);font-weight:600}
.safety li span{color:#555;font-size:.93rem}

@media (max-width:980px){
  .caps{grid-template-columns:repeat(2,1fr)}
  .bound-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:640px){
  .caps,.safety ul{grid-template-columns:1fr}
  .cap{padding:22px}
  .apps{margin-top:40px;gap:12px}
  .bound-yes{padding:24px}
  .safety{padding:22px}
}

/* v2: 3 steps + two ways */
.steps3{grid-template-columns:repeat(3,1fr)}
.ways{margin-top:72px;padding-top:64px;border-top:1px solid var(--line)}
.ways-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:32px}
.way{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column}
.way-featured{border:2px solid var(--accent);box-shadow:var(--shadow)}
.way-tag{font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 8px}
.way h3{font-size:1.4rem}
.way>p{color:#444}
.way ul{list-style:none;margin:0 0 28px;padding:0;display:grid;gap:10px}
.way li{padding-left:16px;border-left:2px solid var(--accent);color:#444;font-size:.95rem}
.way .btn{margin-top:auto;align-self:flex-start}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--ink);box-shadow:none}
.btn-ghost:hover{background:var(--ink);color:#fff}
@media (max-width:980px){.steps3{grid-template-columns:1fr}}
@media (max-width:760px){.ways-grid{grid-template-columns:1fr}}
@media (max-width:640px){.way{padding:24px}.way .btn{width:100%;align-self:stretch}.ways{margin-top:48px;padding-top:48px}}

/* v3: hero loop animation */
.hero-visual{margin:0;position:relative}
.hv{--ease:cubic-bezier(.22,1,.36,1);--pop:cubic-bezier(.34,1.45,.64,1);--glass:rgba(255,255,255,.8)}
.hv-stage{position:relative;height:410px;border-radius:34px;overflow:hidden;isolation:isolate;
  background:linear-gradient(160deg,#FFFFFF 0%,#FFF8F1 60%,#FFF1E3 100%);
  border:1px solid rgba(20,20,20,.05);
  box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(20,20,20,.03),0 40px 90px -50px rgba(200,99,15,.45)}
.hv-stage::before,.hv-stage::after{content:"";position:absolute;border-radius:50%;z-index:-1;filter:blur(30px)}
.hv-stage::before{width:260px;height:260px;left:-60px;top:-70px;background:radial-gradient(circle,rgba(252,154,70,.30),transparent 70%)}
.hv-stage::after{width:300px;height:300px;right:-90px;bottom:-110px;background:radial-gradient(circle,rgba(252,154,70,.22),transparent 70%)}
.hv .sc{position:absolute;opacity:0;transform:translateY(18px) scale(.96);filter:blur(10px);
  transition:opacity .7s var(--ease),transform .95s var(--ease),filter .7s var(--ease);will-change:opacity,transform,filter;
  background:var(--glass);-webkit-backdrop-filter:blur(24px) saturate(180%);backdrop-filter:blur(24px) saturate(180%);
  border:1px solid rgba(255,255,255,.9);
  box-shadow:0 0 0 1px rgba(20,20,20,.05),0 2px 6px rgba(40,25,10,.04),0 22px 50px -16px rgba(70,40,10,.24)}

/* scene 1: sms */
.sc-sms{left:0;right:0;margin:0 auto;top:30px;width:min(310px,88%);border-radius:30px;overflow:hidden}
.hv.on1 .sc-sms{opacity:1;transform:none;filter:none}
.hv.x1 .sc-sms{opacity:0;transform:translateY(-12px) scale(.9);filter:blur(14px)}
.sms-head{display:flex;align-items:center;gap:10px;padding:14px 16px 12px;border-bottom:1px solid rgba(20,20,20,.06);background:rgba(250,250,251,.6)}
.av{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;flex:none;font-size:.72rem;font-weight:700;color:#55555B;background:linear-gradient(160deg,#F1F1F4,#D9D9DF)}
.who{display:flex;flex-direction:column;line-height:1.25}
.who strong{color:var(--ink);font-size:.9rem;font-weight:650}
.who span{color:var(--muted);font-size:.72rem}
.sms-body{display:flex;flex-direction:column;gap:8px;padding:16px 14px 16px;min-height:212px}
.bub{max-width:82%;padding:9px 13px;border-radius:19px;font-size:.85rem;line-height:1.38;opacity:0;transform:translateY(10px) scale(.85);
  transition:opacity .35s var(--ease),transform .6s var(--pop)}
.bub.out{align-self:flex-end;transform-origin:100% 100%;color:#fff;border-bottom-right-radius:6px;
  background:linear-gradient(180deg,#FFA95D 0%,#F78B2F 100%);box-shadow:0 6px 16px -8px rgba(247,139,47,.7)}
.bub.in{transform-origin:0 100%;color:var(--ink);background:#EEEEF1;border-bottom-left-radius:6px}
.slot{display:grid;align-self:flex-start;justify-items:start}
.slot>.bub{grid-area:1/1;max-width:none}
.b-typing{display:flex;gap:4px;padding:12px 14px}
.b-typing i{width:7px;height:7px;border-radius:50%;background:#A2A2A8;animation:hvdot 1.2s infinite ease-in-out}
.b-typing i:nth-child(2){animation-delay:.15s}.b-typing i:nth-child(3){animation-delay:.3s}
@keyframes hvdot{0%,60%,100%{transform:translateY(0);opacity:.45}30%{transform:translateY(-3px);opacity:1}}
.hv.bot .b-bot,.hv.typing .b-typing,.hv.reply .b-reply{opacity:1;transform:none}
.hv.reply .b-typing{opacity:0;transform:scale(.8)}
.sms-note{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:.74rem;color:var(--muted);opacity:0;transform:translateY(6px);transition:opacity .5s var(--ease),transform .7s var(--ease)}
.hv.note1 .sms-note{opacity:1;transform:none}
.spin{width:12px;height:12px;border-radius:50%;border:2px solid rgba(252,154,70,.25);border-top-color:var(--accent);animation:hvspin .8s linear infinite;flex:none}
@keyframes hvspin{to{transform:rotate(360deg)}}

/* scene 2: browser */
.sc-web{left:16px;right:16px;top:18px;border-radius:22px;overflow:hidden}
.hv.on2 .sc-web{opacity:1;transform:none;filter:none}
.hv.on2.dim .sc-web{opacity:.6;transform:scale(.94) translateY(6px);filter:blur(3px) saturate(.85)}
.web-bar{display:flex;align-items:center;gap:10px;height:40px;padding:0 56px 0 14px;background:rgba(245,245,247,.85);border-bottom:1px solid rgba(20,20,20,.06)}
.lights{display:flex;gap:6px;flex:none}
.lights i{width:10px;height:10px;border-radius:50%;background:#FF6159;opacity:.85}
.lights i:nth-child(2){background:#FFBD2E}.lights i:nth-child(3){background:#28C941}
.url{flex:1 1 auto;min-width:0;max-width:250px;margin:0 auto;height:25px;border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;gap:6px;font-size:.72rem;color:#77777D;box-shadow:0 0 0 1px rgba(20,20,20,.05);white-space:nowrap;overflow:hidden}
.url svg{color:#A0A0A6;flex:none}
.web-body{display:flex;flex-direction:column;gap:12px;padding:14px 16px 16px;background:rgba(255,255,255,.55)}
.web-top{display:flex;align-items:center;gap:8px}
.sup-logo{width:22px;height:22px;border-radius:7px;background:linear-gradient(150deg,#ECECEF,#D6D6DC)}
.redact{display:inline-block;height:9px;border-radius:9px;background:#E6E6EA;vertical-align:middle}
.r1{width:86px}.r2{width:46px;height:7px}
.cart{margin-left:auto;position:relative;color:var(--ink);display:grid;place-items:center;width:30px;height:30px;border-radius:10px}
.badge{position:absolute;top:-3px;right:-5px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--accent);color:#fff;font-size:.6rem;font-weight:700;display:grid;place-items:center;transform:scale(0);transition:transform .55s var(--pop);box-shadow:0 0 0 2px #fff}
.hv.added .badge{transform:scale(1)}
.search{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;border-radius:13px;background:#F3F3F5;border:1px solid transparent;color:#8A8A90;font-size:.85rem;transition:background .35s var(--ease),border-color .35s var(--ease),box-shadow .45s var(--ease)}
.search svg{flex:none}
.hv.focus .search{background:#fff;border-color:rgba(252,154,70,.7);box-shadow:0 0 0 4px rgba(252,154,70,.15)}
.q{color:var(--ink);white-space:pre}
.q:not(:empty)~.ph,.hv.focus .ph{display:none}
.caret{width:1.5px;height:17px;border-radius:1px;background:var(--accent-ink);margin-left:-7px;opacity:0}
.hv.focus .caret{animation:hvblink 1s steps(1) infinite}
@keyframes hvblink{0%{opacity:1}50%{opacity:0}}
.result{border-radius:16px;background:#fff;box-shadow:0 0 0 1px rgba(20,20,20,.06),0 8px 20px -14px rgba(40,25,10,.3);padding:12px;opacity:0;transform:translateY(10px) scale(.98);transition:opacity .5s var(--ease),transform .8s var(--ease)}
.hv.res .result{opacity:1;transform:none}
.r-top{display:flex;align-items:center;gap:12px}
.thumb{width:46px;height:46px;border-radius:13px;flex:none;display:grid;place-items:center;background:linear-gradient(150deg,#FFEBD8,#FFD0A5)}
.bag{width:20px;height:26px;border-radius:4px 4px 6px 6px;background:linear-gradient(180deg,#9C6B44,#734A2B);position:relative;box-shadow:0 3px 6px -2px rgba(80,45,15,.5)}
.bag::after{content:"";position:absolute;left:5px;right:5px;top:10px;height:8px;border-radius:3px;background:#FFE2C4}
.r-txt{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.r-txt strong{color:var(--ink);font-size:.86rem;font-weight:650}
.r-txt>span{color:var(--muted);font-size:.74rem}
.r-bot{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.qty{display:inline-flex;align-items:center;height:30px;border-radius:999px;box-shadow:inset 0 0 0 1px #E4E4E8;color:var(--muted);font-size:.9rem}
.qty>span{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;transition:background .2s,transform .2s var(--pop)}
.q-n{min-width:18px;text-align:center;color:var(--ink);font-size:.84rem;display:inline-block;transition:transform .3s var(--pop)}
.add{background:var(--ink);color:#fff;font-size:.76rem;font-weight:600;padding:8px 14px;border-radius:999px;transition:background .35s var(--ease),transform .2s var(--pop)}
.hv.added .add{background:var(--accent)}
.hv .hit{background:#EDEDF0;transform:scale(.9)}
.hv .add.hit{background:#000;transform:scale(.94)}
.hv .q-n.bump{transform:scale(1.25)}
.cartline{display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:14px;background:var(--accent-soft);color:#8A5422;font-size:.8rem;opacity:0;transform:translateY(8px);transition:opacity .5s var(--ease),transform .7s var(--ease)}
.cartline strong{color:var(--ink);font-weight:650}
.hv.added .cartline{opacity:1;transform:none}
.ck{width:18px;height:18px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--accent);color:#fff}
.cursor{position:absolute;left:78%;top:92%;z-index:5;opacity:0;transform-origin:4px 3px;pointer-events:none;filter:drop-shadow(0 2px 3px rgba(0,0,0,.22));
  transition:left .9s cubic-bezier(.5,0,.15,1),top .9s cubic-bezier(.3,.1,.25,1),opacity .35s var(--ease),transform .18s var(--ease)}
.cursor svg{display:block}
.hv.cur .cursor{opacity:1}
.cursor.press{transform:scale(.84)}
.ripple{position:absolute;z-index:4;width:30px;height:30px;margin:-12px 0 0 -12px;border-radius:50%;background:rgba(252,154,70,.35);opacity:0;transform:scale(0);pointer-events:none}
.ripple.rip{animation:hvrip .55s var(--ease)}
@keyframes hvrip{0%{opacity:.9;transform:scale(.2)}100%{opacity:0;transform:scale(1.6)}}

/* scene 3: approval notification */
.sc-note{left:0;right:0;margin:0 auto;top:30px;width:min(330px,88%);border-radius:24px;padding:14px 16px 16px;z-index:3;transform:translateY(-40px) scale(.94)}
.hv.on3 .sc-note{opacity:1;transform:none;filter:none}
.note-head{display:flex;align-items:center;gap:8px;font-size:.72rem;color:var(--muted);font-weight:500}
.note-head img{width:18px;height:auto}
.now{margin-left:auto}
.note-title{display:block;margin:8px 0 2px;color:var(--ink);font-size:.98rem;font-weight:650;letter-spacing:-.01em}
.note-sub{margin:0 0 14px;color:var(--muted);font-size:.8rem}
.note-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.note-actions>span{height:38px;border-radius:13px;display:grid;place-items:center;font-size:.85rem;font-weight:600}
.n-ghost{background:rgba(20,20,20,.05);color:var(--ink)}
.n-go{background:rgba(252,154,70,.16);color:var(--accent-ink);position:relative;transition:background .45s var(--ease),color .45s var(--ease),transform .25s var(--pop),box-shadow .6s var(--ease)}
.n-go>span{grid-area:1/1;transition:opacity .3s var(--ease),transform .45s var(--pop)}
.n-go .t2{opacity:0;transform:scale(.7)}
.n-go .t2::before{content:"\2713\00a0"}
.hv.hot .n-go{background:var(--accent);color:#fff;box-shadow:0 0 0 5px rgba(252,154,70,.2),0 10px 24px -10px rgba(247,139,47,.9)}
.hv.press3 .n-go{transform:scale(.95)}
.hv.ok .n-go{background:var(--accent);color:#fff;box-shadow:0 0 0 0 rgba(252,154,70,0),0 10px 24px -12px rgba(247,139,47,.8)}
.hv.ok .n-go .t1{opacity:0;transform:scale(.7)}
.hv.ok .n-go .t2{opacity:1;transform:none}

/* scene 4: logged */
.sc-log{left:0;right:0;margin:0 auto;bottom:30px;width:max-content;display:flex;align-items:center;gap:9px;padding:9px 18px 9px 10px;border-radius:999px;font-size:.85rem;font-weight:600;color:var(--ink);z-index:3;transform:translateY(16px) scale(.9)}
.hv.on4 .sc-log{opacity:1;transform:none;filter:none}
.sc-log .ck{width:22px;height:22px;background:#2EB872}

/* loop reset */
.hv.out .hv-stage .sc{opacity:0;transform:scale(.96);filter:blur(12px);transition-duration:.6s}
.hv.no-anim *{transition:none!important}

/* step chips + caption */
.hv-steps{list-style:none;display:flex;justify-content:center;gap:6px;margin:14px 0 0;padding:0}
.hv-steps li{font-size:.72rem;font-weight:600;letter-spacing:.02em;color:#AAAAB0;padding:5px 12px;border-radius:999px;transition:color .5s var(--ease),background .5s var(--ease),box-shadow .5s var(--ease)}
.hv[data-step="1"] li:nth-child(1),.hv[data-step="2"] li:nth-child(2),.hv[data-step="3"] li:nth-child(3),.hv[data-step="4"] li:nth-child(4){color:var(--accent-ink);background:#fff;box-shadow:0 0 0 1px rgba(252,154,70,.3),0 4px 12px -6px rgba(200,99,15,.4)}
.hv[data-step="2"] li:nth-child(1),.hv[data-step="3"] li:nth-child(-n+2),.hv[data-step="4"] li:nth-child(-n+3){color:#5A5A60}
.hero-visual figcaption{text-align:center;color:var(--muted);font-size:.85rem;margin-top:10px;line-height:1.4}
@media (max-width:640px){
  .hv-stage{height:400px;border-radius:28px}
  .sc-web{left:10px;right:10px;top:14px}
  .web-bar{padding-right:14px}
}
@media (prefers-reduced-motion:reduce){.hv *,.hv *::before,.hv *::after{animation:none!important;transition:none!important}}