/* Fluxketch site v3 — "제품 무대" (DESIGN.md) */
:root{
  --bg:#ffffff;--bg-2:#f4f5f7;--ink:#0f1115;--ink-card:#171a20;
  --fg:#0f1115;--fg-2:#5b6270;--fg-3:#8a919e;
  --fg-on-ink:#f4f5f7;--fg2-on-ink:#a7adb8;
  --brand:#2fb56a;--brand-deep:#248f54;--brand-soft:#e6f6ec;
  --line:rgba(15,17,21,.10);--line-on-ink:rgba(255,255,255,.10);
  --r-pill:999px;--r-card:24px;--r-sm:12px;
  --shadow-card:0 24px 60px -20px rgba(15,17,21,.28), 0 2px 6px rgba(15,17,21,.06);
  --shadow-device:0 40px 90px -30px rgba(15,17,21,.45), 0 8px 24px -10px rgba(15,17,21,.18);
  --ease:cubic-bezier(.2,.7,.2,1);--nav-h:72px;
  --measure:64ch;
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Segoe UI",Roboto,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-size:17px;line-height:1.6;word-break:keep-all;overflow-wrap:anywhere;-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
::selection{background:rgba(47,181,106,.25)}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{width:min(1200px,calc(100% - 48px));margin:0 auto}
.wrap.narrow{width:min(880px,calc(100% - 48px))}
h1,h2,h3{margin:0;letter-spacing:-.03em;text-wrap:balance;line-height:1.1}
h1{font-size:clamp(40px,6.2vw,76px);font-weight:700}
h2{font-size:clamp(30px,4vw,52px);font-weight:700}
h3{font-size:clamp(20px,1.6vw,24px);font-weight:600;letter-spacing:-.02em;line-height:1.3}
p{margin:0}
.lead{font-size:clamp(17px,1.35vw,21px);color:var(--fg-2);max-width:var(--measure);line-height:1.6}
.sub{color:var(--fg-2);max-width:var(--measure)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand-deep);font-weight:600;font-size:14px;letter-spacing:0;margin-bottom:18px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand)}
.center{text-align:center}.center .lead,.center .sub{margin-inline:auto}
.grid{display:grid;gap:24px}
.stack{display:flex;flex-direction:column;gap:16px}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:40px}.mt-5{margin-top:64px}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 24px;border-radius:var(--r-pill);font-weight:600;font-size:16px;border:1px solid transparent;transition:transform .2s var(--ease),background .2s,box-shadow .2s,border-color .2s;white-space:nowrap;cursor:pointer}
.btn.primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(47,181,106,.7)}
.btn.primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 12px 24px -10px rgba(47,181,106,.7)}
.btn.ghost{border-color:var(--line);color:var(--fg);background:transparent}
.btn.ghost:hover{border-color:rgba(15,17,21,.35);transform:translateY(-1px)}
.on-ink .btn.ghost{border-color:var(--line-on-ink);color:var(--fg-on-ink)}
.on-ink .btn.ghost:hover{border-color:rgba(255,255,255,.45)}
.btn.small{height:42px;padding:0 18px;font-size:15px}
.btn svg{width:18px;height:18px}
/* nav */
.nav{position:fixed;inset:0 0 auto 0;height:var(--nav-h);z-index:50;background:#0c0e11;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.nav .wrap{height:100%;display:flex;align-items:center;gap:32px}
.nav.solid{background:rgba(12,14,17,.9);backdrop-filter:saturate(1.6) blur(18px);-webkit-backdrop-filter:saturate(1.6) blur(18px);box-shadow:0 1px 0 rgba(255,255,255,.1)}
.nav .logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:-.02em;color:#fff}
.nav .logo img{width:32px;height:32px;border-radius:8px}
.nav .menu{display:flex;gap:28px;margin-left:8px}
.nav .menu a{font-weight:500;font-size:15px;color:rgba(255,255,255,.72);transition:color .2s}
.nav .menu a:hover{color:#fff}
.nav .right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav .lang{font-weight:600;font-size:14px;color:rgba(255,255,255,.72);padding:8px 10px;border-radius:8px}
.nav .lang:hover{background:rgba(255,255,255,.12);color:#fff}
.nav .burger{display:none;width:44px;height:44px;border:0;background:transparent;border-radius:12px;cursor:pointer}
.nav .burger span{display:block;width:22px;height:2px;background:#fff;margin:5px auto;transition:transform .3s var(--ease),opacity .2s}
.nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* hero */
.hero{padding:calc(var(--nav-h) + 56px) 0 0;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;align-items:center}
.hero .copy{text-align:center;max-width:820px;margin:0 auto}
.hero .copy .lead{margin:24px auto 0}
.hero .cta{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.hero .platform{display:inline-flex;align-items:center;gap:10px;margin-top:22px;color:var(--fg-3);font-size:14px;font-weight:500}
.hero .platform svg{width:18px;height:18px}
.hero .stage{margin:44px auto 0;position:relative;perspective:1600px;max-width:1080px}
.hero .grid-bg{position:absolute;inset:-40% -10% -10%;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(60% 60% at 50% 40%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(60% 60% at 50% 40%,#000 30%,transparent 100%);opacity:.6;pointer-events:none}
/* device frame */
.device{position:relative;background:#0b0c0f;border-radius:3.4%/4.9%;padding:3.2% 3.2%;box-shadow:var(--shadow-device);transform-style:preserve-3d;will-change:transform}
.device.land{border-radius:34px;padding:22px}
.device.port{border-radius:34px;padding:22px;max-width:520px;margin:0 auto}
.device .screen{border-radius:16px;overflow:hidden;background:#111;aspect-ratio:2360/1640}
.device.port .screen{aspect-ratio:1640/2360}
.device .screen img{width:100%;height:100%;object-fit:cover}
.device::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.hero .dim{position:absolute;inset:0;pointer-events:none}
.hero .dim svg{width:100%;height:100%;overflow:visible}
.hero .dim line,.hero .dim path{stroke:var(--brand);stroke-width:2;fill:none;stroke-dasharray:1000;stroke-dashoffset:1000}
.hero .dim text{fill:var(--brand-deep);font-size:14px;font-weight:600;opacity:0;letter-spacing:0}
.hero.in .dim line,.hero.in .dim path{animation:draw 1.2s var(--ease) .9s forwards}
.hero.in .dim text{animation:fadein .5s var(--ease) 1.8s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fadein{to{opacity:1}}
/* reveal */
.reveal{opacity:0;transform:translateY(18px);filter:blur(6px);transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease)}
.reveal.in{opacity:1;transform:none;filter:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
/* sections */
section{padding:112px 0}
section.tight{padding:72px 0}
.on-ink{background:var(--ink);color:var(--fg-on-ink)}
.on-ink .lead,.on-ink .sub{color:var(--fg2-on-ink)}
.on-ink .eyebrow{color:#7bd6a1}
.soft{background:var(--bg-2)}
/* value trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:64px}
.trio .item{display:flex;flex-direction:column;gap:14px;padding-top:24px;border-top:1px solid var(--line)}
.on-ink .trio .item{border-top-color:var(--line-on-ink)}
.trio .ico{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center}
.on-ink .trio .ico{background:rgba(47,181,106,.16);color:#7bd6a1}
.trio .ico svg{width:22px;height:22px}
.trio p{color:var(--fg-2)}.on-ink .trio p{color:var(--fg2-on-ink)}
/* gallery strip */
.strip{overflow:hidden;padding:0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.strip .track{display:flex;gap:20px;width:max-content;animation:slide 70s linear infinite}
.strip:hover .track{animation-play-state:paused}
.strip figure{margin:0;width:420px;flex:none}
.strip .thumb{border-radius:18px;overflow:hidden;aspect-ratio:2360/1640;background:#111;box-shadow:var(--shadow-card)}
.strip .thumb.store{aspect-ratio:2752/2064;background:#eef3ee;box-shadow:none;border:1px solid var(--line)}
.strip .thumb.store img{object-fit:contain}
.strip figure:has(.store){width:560px}
.strip .thumb img{width:100%;height:100%;object-fit:cover}
.strip figcaption{display:flex;justify-content:space-between;gap:12px;margin-top:12px;font-size:14px;color:var(--fg-2)}
.on-ink .strip figcaption{color:var(--fg2-on-ink)}
@keyframes slide{to{transform:translateX(-50%)}}
/* feature tabs */
.tabs{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:56px;align-items:center;margin-top:56px}
.tabs .list{display:flex;flex-direction:column;gap:6px}
.tab{position:relative;text-align:left;background:transparent;border:0;padding:18px 18px 18px 22px;border-radius:16px;cursor:pointer;color:inherit;font:inherit;transition:background .2s}
.tab::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--line-on-ink);transition:background .3s}
.tab .t{display:block;font-weight:600;font-size:18px;letter-spacing:-.01em}
.tab .s{display:grid;grid-template-rows:0fr;color:var(--fg2-on-ink);font-size:15px;opacity:0;transition:grid-template-rows .45s var(--ease),opacity .4s}
.tab .s>span{display:block;overflow:hidden;min-height:0}
.tab.active{background:rgba(255,255,255,.05)}
.tab.active .s{grid-template-rows:1fr;opacity:1}
.tab.active .s>span{padding-top:6px}
.tab .bar{position:absolute;left:0;top:18px;width:3px;height:calc(100% - 36px);border-radius:3px;background:var(--brand);transform-origin:top;transform:scaleY(0)}
.tab.active .bar{animation:grow var(--tab-ms,6000ms) linear forwards}
.tabs.paused .tab.active .bar{animation-play-state:paused}
@keyframes grow{to{transform:scaleY(1)}}
.tabs .panes{position:relative;aspect-ratio:2360/1640}
.tabs .pane{position:absolute;inset:0;opacity:0;transform:scale(.985);transition:opacity .6s var(--ease),transform .6s var(--ease);pointer-events:none}
.tabs .pane.active{opacity:1;transform:none;pointer-events:auto}
.tabs .pane .device{height:100%}
/* scene split (photo) */
.scene{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.scene-img{margin:0;border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3.5;box-shadow:var(--shadow-card)}
.scene-img img{width:100%;height:100%;object-fit:cover;object-position:60% 50%}
.ctaband .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 35%;opacity:.42;filter:saturate(.9)}
.ctaband>h2,.ctaband>.lead,.ctaband>.cta{position:relative}
.ctaband::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,17,21,.35),rgba(15,17,21,.7))}
/* alternating rows */
.row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;margin-top:64px}
.row.rev .media{order:2}
.row .txt{display:flex;flex-direction:column;gap:16px}
.row .txt ul{margin:8px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.row .txt li{display:flex;gap:12px;color:var(--fg-2)}
.on-ink .row .txt li{color:var(--fg2-on-ink)}
.row .txt li::before{content:"";flex:none;width:18px;height:18px;margin-top:5px;border-radius:50%;background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23248f54' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/11px no-repeat}
.on-ink .row .txt li::before{background-color:rgba(47,181,106,.16)}
/* stats inline */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:56px}
.stats .s{padding:28px 0 0;border-top:1px solid var(--line-on-ink)}
.stats .n{font-size:clamp(34px,4vw,54px);font-weight:700;letter-spacing:-.03em;line-height:1;color:#fff}
.stats .n small{font-size:.45em;font-weight:600;color:#7bd6a1;margin-left:6px;letter-spacing:0}
.stats .l{margin-top:12px;color:var(--fg2-on-ink)}
/* workflow graphic (authored SVG) */
.flow{margin:48px auto 0;max-width:960px}
.flow svg{width:100%;height:auto;display:block;overflow:visible}
.flow .node{fill:var(--bg);stroke:var(--line);stroke-width:1.5}
.flow .node.hi{fill:var(--brand-soft);stroke:var(--brand)}
.flow text{font-family:inherit;font-size:15px;font-weight:600;fill:var(--fg)}
.flow text.small{font-size:12.5px;font-weight:500;fill:var(--fg-2)}
.flow .wire{stroke:var(--brand);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-dasharray:600;stroke-dashoffset:600}
.flow.in .wire{animation:draw 1.4s var(--ease) .2s forwards}
.flow .wire.w2{animation-delay:.6s}
.flow .arrow{fill:var(--brand)}
.flow-m{display:none;list-style:none;margin:0;padding:0}
.flow-m li{position:relative;border:1.5px solid var(--line);border-radius:16px;padding:16px 18px;text-align:center;background:var(--bg)}
.flow-m li+li{margin-top:26px}
.flow-m li+li::before{content:"";position:absolute;left:50%;top:-26px;width:2px;height:26px;background:var(--brand);transform:translateX(-50%)}
.flow-m li+li::after{content:"";position:absolute;left:50%;top:-9px;width:14px;height:9px;background:var(--brand);clip-path:polygon(0 0,100% 0,50% 100%);transform:translateX(-50%)}
.flow-m li.hi{background:var(--brand-soft);border-color:var(--brand)}
.flow-m li.back{border-style:dashed;padding:12px 16px}
.flow-m li.back::before,.flow-m li.back::after{display:none}
.flow-m b{display:block;font-weight:600;font-size:16px}
.flow-m span{display:block;font-size:13.5px;color:var(--fg-2);margin-top:3px}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:56px}
.compare .col{border-radius:var(--r-card);padding:32px;border:1px solid var(--line)}
.compare .col.now{background:var(--brand-soft);border-color:transparent}
.compare h3{margin-bottom:18px}
.compare ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px;color:var(--fg-2)}
.compare .now ul{color:#1f5b3a}
.compare li{display:flex;gap:12px;align-items:flex-start}
.compare li svg{flex:none;width:20px;height:20px;margin-top:3px}
/* cases */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.case{border-radius:var(--r-card);overflow:hidden;background:var(--ink-card);border:1px solid var(--line-on-ink);display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow-card)}
.case .img{aspect-ratio:4/3;overflow:hidden;background:#111}
.case .img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.case:hover .img img{transform:scale(1.03)}
.case .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px}
.case .k{color:#7bd6a1;font-weight:600;font-size:14px}
.case p{color:var(--fg2-on-ink);font-size:15px}
/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.plan{border-radius:var(--r-card);border:1px solid var(--line);padding:30px 28px;display:flex;flex-direction:column;gap:14px;background:var(--bg)}
.plan.hi{border-color:var(--brand);box-shadow:0 20px 50px -30px rgba(47,181,106,.6)}
.plan .name{font-weight:600;font-size:15px;color:var(--fg-2)}
.plan .price{font-size:40px;font-weight:700;letter-spacing:-.03em;line-height:1}
.plan .price small{font-size:15px;font-weight:500;color:var(--fg-2);letter-spacing:0;margin-left:4px}
.plan .price.tba{font-size:28px;color:var(--fg-2);letter-spacing:-.02em}
.plan .promo{color:var(--brand-deep);font-weight:600;font-size:14px}
.plan .per{font-size:14px;color:var(--fg-2);margin-top:-6px}
.promo-banner{margin:28px auto 0;max-width:760px;text-align:center;padding:14px 18px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);font-size:15px;line-height:1.6}
.promo-banner b{font-weight:700}
.plan ul{margin:6px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;color:var(--fg-2);font-size:15px}
.plan .btn{margin-top:auto}
.plan .tag{align-self:flex-start;background:var(--brand-soft);color:var(--brand-deep);font-weight:600;font-size:13px;padding:4px 10px;border-radius:999px}
/* CTA block */
.ctaband{border-radius:32px;background:var(--ink);color:var(--fg-on-ink);padding:72px 40px;text-align:center;position:relative;overflow:hidden}
.ctaband .lead{margin:16px auto 0;color:var(--fg2-on-ink)}
.ctaband .cta{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.ctaband .btn.ghost{border-color:rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.12);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.ctaband .btn.ghost:hover{border-color:#fff;background:rgba(255,255,255,.2)}
.ctaband .glow{position:absolute;inset:auto -20% -60% -20%;height:70%;background:radial-gradient(50% 60% at 50% 100%,rgba(47,181,106,.35),transparent 70%);pointer-events:none}
/* FAQ */
.faq{max-width:820px;margin:48px auto 0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 0;font-weight:600;font-size:18px;display:flex;justify-content:space-between;gap:20px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";width:12px;height:12px;border-right:2px solid var(--fg-2);border-bottom:2px solid var(--fg-2);transform:rotate(45deg);transition:transform .3s var(--ease);flex:none;margin-right:4px}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .a{padding:0 0 24px;color:var(--fg-2);max-width:var(--measure)}
/* footer */
footer{padding:64px 0 40px;border-top:1px solid var(--line);background:var(--bg-2);font-size:15px}
footer .cols{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:32px}
footer h4{margin:0 0 14px;font-size:14px;color:var(--fg)}
footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
footer a{color:var(--fg-2)}footer a:hover{color:var(--fg)}
footer .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--brand-deep);font-size:18px}
footer .brand img{width:28px;height:28px;border-radius:7px}
footer .bizinfo{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);color:var(--fg-3);font-size:12.5px;line-height:1.8}
footer .bizinfo+.fine{margin-top:14px;padding-top:0;border-top:0}
footer .fine{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--fg-3);font-size:13px}
/* responsive */
@media (max-width:1024px){
  .tabs{grid-template-columns:1fr;gap:32px}
  .tabs .list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:none}
  .tabs .list::-webkit-scrollbar{display:none}
  .tab{flex:none;padding:14px 16px 14px 18px;max-width:280px}
  .tab .s{display:none}
  .trio,.stats,.cases,.plans{grid-template-columns:1fr 1fr}
  footer .cols{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:760px){
  body{font-size:16px}
  .wrap{width:min(1200px,calc(100% - 32px))}
  section{padding:80px 0}
  .nav .menu{display:none}
  .nav .burger{display:block}
  .nav.open .menu{display:flex;position:fixed;inset:var(--nav-h) 0 auto 0;background:rgba(255,255,255,.96);backdrop-filter:blur(18px);flex-direction:column;gap:0;padding:8px 24px 16px;box-shadow:0 20px 40px -20px rgba(0,0,0,.2)}
  .nav.open .menu a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px;color:var(--fg)}
  .nav .right .btn{display:none}
  .hero{padding-top:calc(var(--nav-h) + 40px)}
  .hero .cta .btn{width:100%}
  .hero .dim{display:none}
  .flow svg{display:none}
  .flow-m{display:block}
  .hero .stage{margin-top:28px}
  .device.land{border-radius:20px;padding:12px}.device .screen{border-radius:9px}
  .trio,.stats,.cases,.plans,.row,.compare{grid-template-columns:1fr}
  .row.rev .media{order:0}
  .scene{grid-template-columns:1fr;gap:28px}
  .row{gap:28px;margin-top:48px}
  .strip figure{width:300px}
  footer .cols{grid-template-columns:1fr 1fr}
  .ctaband{padding:56px 24px;border-radius:24px}
  .ctaband .cta .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;filter:none;transition:none}
  .strip .track{animation:none}
  .tab.active .bar{animation:none;transform:scaleY(1)}
  .hero .dim line,.hero .dim path{stroke-dashoffset:0;animation:none}.hero .dim text{opacity:1;animation:none}
  .device{transform:none!important}
}
/* ===== v4: search landing pages, guides ===== */
.wrap.narrow{max-width:800px}
.h3{font-size:clamp(22px,2.2vw,28px)}
.phero{padding:calc(var(--nav-h) + 56px) 0 72px}
.phero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.phero h1{font-size:clamp(34px,4.2vw,56px);letter-spacing:-.03em;line-height:1.12}
.phero .lead{margin-top:20px}
.phero .cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.phero .platform{margin-top:18px;display:inline-flex;align-items:center;gap:8px;color:var(--fg-2);font-size:14px}
.phero .platform svg{width:18px;height:18px}
.phero .device.port{max-width:380px}
.qa{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px;margin-top:40px}
.qa article{padding:26px 28px;border:1px solid var(--line);border-radius:20px;background:var(--bg)}
.qa h3{margin:0;font-size:18px;letter-spacing:-.01em}
.qa p{margin:10px 0 0;color:var(--fg-2);line-height:1.65}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{position:relative;padding:0 0 28px 64px;counter-increment:s}
.steps li::before{content:counter(s);position:absolute;left:0;top:-2px;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:grid;place-items:center;font-size:18px}
.steps li::after{content:"";position:absolute;left:21px;top:46px;bottom:6px;width:2px;background:var(--line-on-ink)}
.steps li:last-child::after{display:none}
.steps h3{margin:0 0 6px;font-size:20px}
.steps p{margin:0;color:var(--fg2-on-ink);line-height:1.6}
.on-ink .steps h3{color:var(--fg-on-ink)}
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px}
.related a{display:block;padding:20px 22px;border:1px solid var(--line);border-radius:16px;background:var(--bg);color:inherit;text-decoration:none;transition:border-color .2s,transform .2s var(--ease)}
.related a:hover{border-color:var(--brand);transform:translateY(-2px)}
.related .k{display:block;font-size:12.5px;color:var(--brand-deep);font-weight:600;margin-bottom:6px}
.related .t{display:block;font-weight:600;font-size:16px;letter-spacing:-.01em}
.related .s{display:block;color:var(--fg-2);font-size:14px;margin-top:6px;line-height:1.5}
.ahero{padding:calc(var(--nav-h) + 48px) 0 24px}
.ahero h1{font-size:clamp(32px,4vw,52px);letter-spacing:-.03em;line-height:1.15}
.ahero .meta{color:var(--fg-2);font-size:14px;margin-top:16px}
.crumbs{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--fg-2);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:inherit;text-decoration:none}.crumbs a:hover{color:var(--fg)}
.article{padding:24px 0 72px;font-size:17.5px;line-height:1.75}
.article h2{font-size:clamp(24px,2.6vw,32px);margin:48px 0 14px;letter-spacing:-.02em}
.article h3{font-size:20px;margin:32px 0 10px}
.article p{margin:0 0 18px;color:var(--fg)}
.article ul,.article ol{margin:0 0 18px;padding-left:24px}
.article li{margin:6px 0}
.article figure{margin:28px 0}
.article figcaption{font-size:14px;color:var(--fg-2);margin-top:10px;text-align:center}
.article .note{background:var(--brand-soft);padding:18px 22px;border-radius:14px;margin:0 0 18px}
.article .note p{margin:0}
.article table{width:100%;border-collapse:collapse;font-size:16px;margin:0 0 24px}
.article th,.article td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;vertical-align:top}
.article th{font-size:14px;color:var(--fg-2);font-weight:600}
.article .tablewrap{overflow-x:auto}
.article .cta-soft{margin-top:40px;padding:24px 28px;border:1px solid var(--line);border-radius:20px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.article .cta-soft p{margin:0;color:var(--fg-2)}
.glist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:8px}
.glist a{display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:20px;color:inherit;text-decoration:none;background:var(--bg);transition:border-color .2s,transform .2s var(--ease)}
.glist a:hover{border-color:var(--brand);transform:translateY(-2px)}
.glist .thumb{aspect-ratio:2360/1640;border-radius:12px;overflow:hidden;background:#111}
.glist .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.glist .t{display:block;font-weight:600;font-size:18px;letter-spacing:-.01em;line-height:1.35}
.glist .s{display:block;color:var(--fg-2);font-size:14.5px;margin-top:6px;line-height:1.5}
.glist .m{display:block;color:var(--fg-2);font-size:13px;margin-top:8px}
@media (max-width:1024px){
  .qa{grid-template-columns:1fr}
  .related{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .phero{padding-top:calc(var(--nav-h) + 32px);padding-bottom:48px}
  .phero .wrap{grid-template-columns:1fr;gap:36px}
  .phero .cta .btn{width:100%}
  .phero .device.port{max-width:300px}
  .steps li{padding-left:56px}
  .related,.glist{grid-template-columns:1fr}
  .glist a{grid-template-columns:110px 1fr}
  .article{font-size:16.5px}
}