/* home only: Apple-style light theme, centered long-form body */
:root{
  --bg:#fff;--bg-2:#f5f5f7;--paper:#fff;--ink:#1d1d1f;--muted:#6e6e73;--faint:rgba(0,0,0,.36);
  --line:rgba(0,0,0,.08);--line-2:rgba(0,0,0,.14);
  --dark:#000;--dark-2:#1d1d1f;--on-dark:#f5f5f7;--on-dark-60:#a1a1a6;--on-dark-line:rgba(255,255,255,.14);
  --blue:#0071e3;--blue-d:#0066cc;--blue-l:#2997ff;--blue-soft:#e8f1fc;
  --grad:linear-gradient(92deg,#0071e3 0%,#2f8cff 55%,#5aa9ff 100%);
  --grad-d:linear-gradient(92deg,#2997ff 0%,#6cb6ff 55%,#b9dcff 100%);
  --shadow:0 2px 6px rgba(0,0,0,.04),0 12px 32px rgba(0,0,0,.06);
  --apple:cubic-bezier(.4,0,.2,1);
}
html,body{background:#fff}
h1,h2,h3{letter-spacing:-.035em}
h1 em,h2 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dark h2 em,.final h2 em{background:var(--grad-d);-webkit-background-clip:text;background-clip:text}
.tint{background:var(--bg-2)}
.dark{background:#000}
.btn-main{background:var(--blue);box-shadow:none}
.btn-main:hover{background:#0077ed;transform:none;box-shadow:0 8px 24px rgba(0,113,227,.28)}
.more{color:var(--blue-d)}

/* glass nav */
.nav{background:rgba(255,255,255,.72);color:var(--ink);box-shadow:inset 0 0 0 1px rgba(0,0,0,.06),0 8px 30px -18px rgba(0,0,0,.25);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%)}
.nav .logo{color:var(--ink)}
.nav .logo img{filter:none}
.nav ul a{color:rgba(0,0,0,.72)}
.nav ul a:hover{background:rgba(0,0,0,.05)}
.nav ul a[aria-current="page"]{background:rgba(0,0,0,.08);color:var(--ink)}
.burger span{background:var(--ink)}
.progress i{background:var(--blue)}

/* hero: original full-bleed dark before/after, kept as the impact opener */
.hero{--dark:#0a111b;--blue:#2f86ff;--blue-l:#7fb6ff}
.hero h1 em{background:none;color:var(--blue)}
.hero .btn-main{box-shadow:0 12px 30px -12px rgba(47,134,255,.8),inset 0 1px 0 rgba(255,255,255,.25)}
.hero .ico{color:var(--blue-l);background:linear-gradient(160deg,rgba(29,124,242,.24),rgba(29,124,242,.05));box-shadow:inset 0 0 0 1px rgba(120,180,255,.38)}

/* icons */
.ico,.dark .ico{color:var(--blue);background:var(--blue-soft);box-shadow:none}
.dark .ico{color:var(--blue-l);background:rgba(41,151,255,.14)}

/* long-form body */
.lf{padding:clamp(104px,13vw,168px) 0;overflow:hidden}
.lf-col{max-width:780px;margin:0 auto;padding:0 var(--pad);text-align:center}
.lf .kick{justify-content:center;margin-bottom:22px;color:var(--muted)}
.lf .kick b{color:var(--blue-d)}
.dark .kick b{color:var(--blue-l)}
.lf-pre{margin:0;font-size:clamp(18px,1.8vw,22px);font-weight:500;line-height:1.55;letter-spacing:-.02em;color:var(--muted)}
.dark .lf-pre{color:var(--on-dark-60)}
.lf-h{margin:14px 0 0;font-size:clamp(38px,5.6vw,68px);font-weight:700;line-height:1.16;letter-spacing:-.045em;color:var(--ink)}
.dark .lf-h{color:var(--on-dark)}
.lf-h.sm{margin-top:clamp(80px,10vw,120px);font-size:clamp(28px,3.8vw,44px);line-height:1.28}
.lf-sub{max-width:600px;margin:28px auto 0;font-size:clamp(17px,1.5vw,19px);line-height:1.7;color:var(--muted)}
.lf-sub b{color:var(--ink);font-weight:600}
.dark .lf-sub{color:var(--on-dark-60)}
.dark .lf-sub b{color:var(--on-dark)}
.lf-close{margin:64px 0 0;font-size:clamp(22px,2.8vw,32px);font-weight:600;letter-spacing:-.035em;line-height:1.4}

/* emphasis: gradient text instead of highlight boxes */
.hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.dark .hl{background:var(--grad-d);-webkit-background-clip:text;background-clip:text}
.ul{color:var(--blue-d);font-weight:700}
.dark .ul{color:var(--blue-l)}

/* three promises: plain list that rises in once */
.lf-seq{list-style:none;margin:clamp(48px,6vw,64px) auto 0;padding:0;display:grid;gap:4px;max-width:600px}
.lf-seq li{font-size:clamp(22px,2.8vw,30px);font-weight:600;letter-spacing:-.035em;line-height:1.4;padding:10px 0;color:var(--ink)}
.lf-seq li em{font-style:normal;color:var(--blue-d)}

/* tiles */
.lf-rows{display:grid;gap:16px;margin-top:clamp(48px,6vw,64px);text-align:left}
.lf-row{display:flex;gap:20px;align-items:flex-start;padding:30px 30px 28px;border-radius:28px;background:#fff;box-shadow:var(--shadow);transition:transform .4s var(--apple),box-shadow .4s var(--apple)}
.lf-row:hover{transform:translateY(-4px);box-shadow:0 4px 10px rgba(0,0,0,.04),0 20px 44px rgba(0,0,0,.09)}
.lf:not(.tint) .lf-row{background:var(--bg-2);box-shadow:none}
.lf-row .ico{flex:none;margin:0}
.lf-row .gk{display:inline-block;font-style:normal;font-size:12px;font-weight:600;color:var(--blue-d);margin-bottom:6px}
.lf-row b{display:block;font-size:clamp(19px,2vw,23px);font-weight:700;letter-spacing:-.035em;line-height:1.35}
.lf-row div>span{display:block;margin-top:6px;font-size:16px;line-height:1.6;color:var(--muted)}
.lf-x{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;font-weight:700;font-size:16px;color:var(--muted);background:var(--bg-2)}
.lf .vpanel{margin-top:clamp(40px,5vw,56px);border-radius:28px}

/* verified */
.lf .vlist.lf-box{text-align:left;margin-top:clamp(44px,5vw,60px)}
.lf .vlist li{grid-template-columns:52px 1.3fr 1fr auto}
.lf .vlist b{font-size:clamp(20px,2.2vw,28px);font-weight:700}
.lf .vlist .t{background:var(--bg-2);color:var(--ink);font-weight:600}

/* VS on black */
.lf-pre.dim{font-size:clamp(20px,2.4vw,28px);font-weight:600;color:#6e6e73;text-decoration:line-through;text-decoration-thickness:1.5px;text-decoration-color:rgba(255,255,255,.25)}
.lf-vs{margin:12px 0 0;font-size:clamp(15px,1.4vw,17px);font-weight:600;letter-spacing:.3em;color:#6e6e73}
.lf-table{display:grid;grid-template-columns:1fr 40px 1.08fr;grid-template-rows:auto repeat(4,auto);margin-top:clamp(52px,6vw,72px);text-align:left}
.lf-table .c{grid-row:1/-1;display:grid;grid-template-rows:subgrid;border-radius:28px;padding:12px 24px 16px}
.lf-table ul{display:contents;list-style:none}
.lf-table .hd{margin:0;padding:14px 0 12px;font-size:15px;font-weight:700;text-align:center}
.lf-table li{padding:16px 0;border-top:1px solid var(--on-dark-line)}
.lf-table small{display:block;font-size:12px;font-weight:500;color:#86868b;margin-bottom:4px}
.lf-table li span{display:block;font-size:16px;font-weight:600;line-height:1.5;letter-spacing:-.02em}
.lf-table .other{grid-column:1;color:#86868b}
.lf-table .other .hd{color:#86868b}
.lf-table .me{grid-column:3;background:#1d1d1f;box-shadow:inset 0 0 0 1px rgba(41,151,255,.45);color:var(--on-dark)}
.lf-table .me .hd{color:#fff}
.lf-table .me .hd::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue-l);margin-right:8px;vertical-align:2px}
.lf-table .me li{border-top-color:rgba(255,255,255,.1)}
.lf-arrow{grid-column:2;grid-row:1/-1;align-self:center;justify-self:center;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#1d1d1f;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);z-index:1}
.lf-arrow svg,.lf-down svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.lf-arrow{color:#fff}
.lf-cta{margin-top:32px}

/* service tiles */
.lf-svcs{display:grid;gap:20px;margin-top:clamp(48px,6vw,64px);text-align:left}
.lf-svc{display:block;text-decoration:none;border-radius:28px;overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:transform .4s var(--apple),box-shadow .4s var(--apple)}
.lf-svc:hover{transform:translateY(-6px);box-shadow:0 4px 10px rgba(0,0,0,.04),0 24px 56px rgba(0,0,0,.1)}
.lf-svc .rise{aspect-ratio:16/9}
.lf-svc .rise img{width:100%;height:100%;object-fit:cover}
.lf-svc .t{position:relative;padding:26px 30px 28px}
.lf-svc .no{position:absolute;top:28px;right:30px;font-size:13px;font-weight:600;color:var(--muted)}
.lf-svc h3{margin:0;font-size:clamp(24px,2.8vw,32px);font-weight:700}
.lf-svc p{margin:8px 0 0;font-size:16px;line-height:1.6;color:var(--muted)}
.lf-svc .go{display:inline-flex;align-items:center;gap:4px;margin-top:14px;font-size:16px;font-weight:500;color:var(--blue-d)}
.lf-svc .go svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s var(--apple)}
.lf-svc:hover .go svg{transform:translateX(3px)}

/* cause */
.lf .xsec.lf-fig{grid-template-columns:1fr;margin-top:clamp(44px,5vw,60px);text-align:left}
.lf .xsec figure{border-radius:28px;background:var(--bg-2);box-shadow:none}

/* steps */
.lf-steps{display:grid;justify-items:center;gap:10px;margin-top:clamp(40px,5vw,56px)}
.lf-step{width:100%;padding:28px 30px 26px;border-radius:28px;background:var(--bg-2)}
.lf-step b{display:block;margin-top:12px;font-size:clamp(21px,2.4vw,27px);font-weight:700}
.lf-step p{margin:8px auto 0;max-width:520px;font-size:16px;line-height:1.65;color:var(--muted)}
.lf-step:last-child{background:#000}
.lf-step:last-child b{color:#fff}
.lf-step:last-child p{color:#a1a1a6}
.lf-pill{display:inline-block;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;background:var(--blue-soft);color:var(--blue-d)}
.lf-step:last-child .lf-pill{background:rgba(41,151,255,.18);color:var(--blue-l)}
.lf-down{display:grid;place-items:center;width:28px;height:28px;color:var(--faint)}

/* check */
.lf .chips{margin-top:clamp(40px,5vw,56px);text-align:left}
.lf .chips button{background:#fff;box-shadow:var(--shadow);border-radius:22px}
.lf .chips button[aria-pressed="true"]{background:var(--blue);color:#fff;box-shadow:0 10px 28px -12px rgba(0,113,227,.6)}
.lf .meter{text-align:left;background:#1d1d1f;border-radius:28px}
.lf-sub.c{font-size:15px;margin-top:20px}

/* choose */
.lf-qs{display:grid;gap:16px;margin-top:clamp(48px,6vw,64px);text-align:left}
.lf-q{padding:30px 30px 26px;border-radius:28px;background:var(--bg-2)}
.lf-q h3{margin:14px 0 0;font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35}
.lf-q .hint{margin:8px 0 0;font-size:15px;color:var(--muted)}
.lf-q .ans{margin:18px 0 0;padding:16px 18px;border-radius:18px;background:#fff;font-size:16px;line-height:1.6;font-weight:500;color:var(--ink)}
.lf-q .ans b{display:block;margin-bottom:4px;font-size:12px;font-weight:600;color:var(--blue-d)}
.lf-flow{display:grid;justify-items:center;gap:10px;margin-top:clamp(56px,7vw,80px)}
.lf-flow .f{width:100%;padding:26px 28px;border-radius:28px}
.lf-flow .hd{margin:0;font-size:15px;font-weight:700}
.lf-flow .f p:last-child{margin:12px 0 0;font-size:15px;line-height:1.6}
.lf-flow .other{background:var(--bg-2);color:var(--muted)}
.lf-flow .me{background:#000;color:#fff}
.lf-flow .me p:last-child{color:#a1a1a6}
.chips2{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin-top:14px}
.chips2 span{font-size:15px;font-weight:600;padding:7px 14px;border-radius:999px;background:#fff}
.lf-flow .me .chips2 span{background:#1d1d1f}
.lf-flow .me .chips2 .b{background:var(--blue)}
.chips2 i{font-style:normal;opacity:.45}

/* proof on black */
.lf .nums{grid-template-columns:1fr 1fr;margin-top:clamp(48px,6vw,64px);text-align:left}
.lf .nums>div:nth-child(3){padding-left:0;border-left:0}
.lf .nums>div{padding-bottom:28px;border-bottom:1px solid var(--on-dark-line)}
.lf .nums strong{font-size:clamp(52px,6.4vw,88px);font-weight:700}
.lf .nums strong small{color:var(--blue-l)}
#proof .band{display:none}
#proof .wall{padding-top:clamp(56px,7vw,88px)}
.lf .rv-title{margin-top:clamp(72px,9vw,104px);font-weight:700}
.lf .reviews{grid-template-columns:1fr 1fr;text-align:left}
.dark .rv.real{border-radius:24px;background:#1d1d1f;box-shadow:none}

/* cost bars: grow once, badge settles once */
.lf-bars{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,48px);align-items:end;max-width:520px;margin:clamp(52px,6vw,72px) auto 0;height:340px}
.lf-bars .bar{position:relative;display:flex;flex-direction:column;justify-content:flex-end;height:100%}
.lf-bars .stack{display:flex;flex-direction:column;gap:4px;transform-origin:bottom;transform:scaleY(0);transition:transform 1s var(--apple) .3s}
.lf-bars.is-in .stack{transform:none}
.lf-bars .me .stack{transition-delay:.6s}
.lf-bars .stack span{display:grid;place-items:center;height:76px;border-radius:16px;font-size:15px;font-weight:600}
.lf-bars .other .stack span{background:#e8e8ed;color:var(--muted)}
.lf-bars .other .stack span:first-child{background:#dcdce1}
.lf-bars .me .stack span{background:var(--blue);color:#fff}
.lf-bars .bar>p{margin:12px 0 0;font-size:15px;font-weight:600;color:var(--muted)}
.lf-bars .me>p{color:var(--blue-d)}
.lf-badge{position:absolute;left:50%;bottom:118px;margin-left:-56px;display:grid;place-items:center;width:112px;height:112px;border-radius:50%;background:#000;color:#fff;font-size:19px;font-weight:700;letter-spacing:-.04em;box-shadow:0 0 0 6px var(--bg-2),0 20px 40px -18px rgba(0,0,0,.5);opacity:0;transform:translateY(16px) scale(.9);transition:opacity .6s var(--apple) 1.4s,transform .6s var(--apple) 1.4s}
.lf-bars.is-in .lf-badge{opacity:1;transform:none}
.lf-bend{display:none}
.lf .smalls{justify-content:center}
.lf .smalls span{background:#fff}

/* area + how keep their layout, softer cards */
#how .steps .dot{background:#fff}
.nextlinks a{border-radius:24px}

@media (max-width:760px){
  .lf-row{padding:22px 20px;gap:14px;border-radius:24px}
  .lf-row div>span{font-size:15px}
  .lf .vlist li{grid-template-columns:40px 1fr auto}
  .lf-table{grid-template-columns:1fr 24px 1.08fr}
  .lf-table .c{padding:8px 12px 10px;border-radius:20px}
  .lf-table .hd{font-size:14px}
  .lf-table li span{font-size:14px}
  .lf-table small{font-size:11px}
  .lf-arrow{width:24px;height:24px}
  .lf-arrow svg{width:12px;height:12px}
  .lf-svc .t{padding:22px 22px 24px}
  .lf-svc .no{top:24px;right:22px}
  .lf-step,.lf-q{padding:24px 20px 22px;border-radius:24px}
  .lf .nums strong{font-size:clamp(46px,13vw,64px)}
  .lf-bars{height:300px}
  .lf-bars .stack span{height:66px;font-size:14px}
  .lf-badge{width:92px;height:92px;margin-left:-46px;bottom:100px;font-size:16px}
}

/* sticky process steps (structure ported from Tween UI process-sticky-steps) */
.pss{display:flex;align-items:flex-start;justify-content:center;gap:clamp(28px,4vw,56px)}
.pss-head{position:sticky;top:120px;flex:1;max-width:32rem}
.pss-head h2{margin-top:0}
.pss-lead{margin:20px 0 0;font-size:18px;line-height:1.6;color:var(--muted)}
.pss-head .btn{margin-top:28px}
.pss-rule{position:sticky;top:120px;flex:none;width:1px;height:240px;background:var(--line-2)}
.pss-track{display:flex;align-items:flex-start;gap:14px;flex:none}
.pss-cards{display:grid;gap:32px;width:min(440px,38vw);padding-bottom:80px}
.pss-card{scroll-margin-top:120px;border-radius:24px;padding:16px;background:#fff;border:1px solid rgba(0,113,227,.15);transition:border-color .3s,box-shadow .3s}
.pss-card[data-active]{border-color:var(--blue);box-shadow:0 22px 48px -30px rgba(0,113,227,.6)}
.pss-card figure{margin:0;height:220px;padding:6px;border-radius:16px;overflow:hidden;background:var(--blue-soft)}
.pss-card img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.pss-card .t{margin-top:20px;padding:0 6px 6px}
.pss-card .n{font-size:12px;font-weight:600;color:var(--blue-d)}
.pss-card h3{margin:6px 0 0;font-size:22px;font-weight:700;letter-spacing:-.03em}
.pss-card p{margin:6px 0 0;font-size:15px;line-height:1.65;color:var(--muted)}
.pss-dots{position:sticky;top:128px;z-index:2;display:flex;flex-direction:column;gap:6px}
.pss-dots button{width:32px;height:32px;border:0;border-radius:50%;font:inherit;font-size:12px;font-weight:600;cursor:pointer;background:rgba(0,113,227,.1);color:rgba(0,102,204,.55);transition:background .3s ease-in-out,color .3s ease-in-out}
.pss-dots button[aria-current]{background:var(--blue);color:#fff}
@media (max-width:900px){
  .pss{flex-direction:column;align-items:stretch;gap:36px}
  .pss-head{position:static;max-width:none}
  .pss-rule{display:none}
  .pss-cards{flex:1;width:auto;gap:20px;padding-bottom:0}
  .pss-card figure{height:190px}
  .pss-dots{top:96px}
}

/* hero motion (MotionSites recipes): blur-in words, scene Ken Burns, copy synced to the wipe, CTA ring */
.hero h1.hx .ln{display:block}
.hero h1.hx .bw{display:inline-block;animation:bwIn .7s ease-out both;animation-delay:calc(550ms + var(--i) * 100ms)}
@keyframes bwIn{0%{filter:blur(10px);opacity:0;transform:translateY(50px)}50%{filter:blur(5px);opacity:.5;transform:translateY(-5px)}100%{filter:blur(0);opacity:1;transform:none}}
.hero h1 .k1{transition:text-shadow .35s ease}
.hero.is-wiping h1 .k1{text-shadow:0 0 28px rgba(47,134,255,.85)}
.hero h1 .k2{position:relative}
.hero h1 .k2::after{content:attr(data-t);position:absolute;left:0;top:0;white-space:nowrap;pointer-events:none;color:transparent;-webkit-text-fill-color:transparent;background:linear-gradient(100deg,transparent 40%,rgba(255,255,255,.95) 50%,transparent 60%) no-repeat;background-size:300% 100%;background-position:100% 0;-webkit-background-clip:text;background-clip:text}
.hero.is-clean h1 .k2::after{animation:kShine 1.3s cubic-bezier(.22,1,.36,1)}
@keyframes kShine{from{background-position:100% 0}to{background-position:0 0}}
.ba .sc img{animation:none;transform:none}
.ba .sc.on img{animation:kenBurns 6s cubic-bezier(.215,.61,.355,1) both}
@keyframes kenBurns{from{transform:scale(1.07)}to{transform:scale(1)}}
@property --ba-angle{syntax:'<angle>';inherits:false;initial-value:0deg}
.hero .btn-main.ring{position:relative;isolation:isolate}
.hero .btn-main.ring::before{content:"";position:absolute;inset:-3px;padding:3px;border-radius:inherit;pointer-events:none;background:conic-gradient(from var(--ba-angle),#7fb6ff,#0a111b,#7fb6ff,#0a111b,#7fb6ff);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;animation:baSpin 3s linear infinite}
@keyframes baSpin{to{--ba-angle:360deg}}
.hero .cnt{font-variant-numeric:tabular-nums}

/* mobile hero (barosulbi-design): photo runs under the nav and fades into the text,
   so the headline sits on the photo instead of in a separate box. Calls are thumb-wide. */
@media (max-width:900px){
  .hero .hero-media{margin:0;aspect-ratio:auto;height:min(128vw,62svh);min-height:400px}
  .hero .hero-media::after{background:linear-gradient(0deg,#0a111b 0%,rgba(10,17,27,.9) 20%,rgba(10,17,27,.5) 38%,rgba(10,17,27,0) 58%),linear-gradient(180deg,rgba(10,17,27,.55) 0%,rgba(10,17,27,0) 22%)}
  .hero .ba-line{bottom:40%}
  .hero .ba-state{top:84px;bottom:auto;right:12px}
  .hero .hero-media+.wrap{margin-top:calc(-1 * clamp(110px,36vw,170px));padding-top:0}
  .hero h1{text-shadow:0 2px 24px rgba(10,17,27,.55)}
  .hero .cta-row{display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
  .hero .cta-row .btn{justify-content:center;min-height:54px}
}

/* cause: scroll-traced cross-section (from the lab.html tracer, scrubbed by scroll).
   s1 stain -> s2 trace runs along the slab to the joint, scope locks -> s3 open only there */
#cause.lf{overflow:clip}
.tr{position:relative;max-width:1180px;margin:clamp(44px,5vw,64px) auto 0;padding:0 var(--pad);display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:clamp(32px,4.5vw,72px);text-align:left}
.tr-stage{position:sticky;top:96px;align-self:start;z-index:2}
.tr-fig{position:relative;margin:0;padding:14px;border-radius:28px;background:var(--bg-2)}
.tr-fig svg{display:block;width:100%;height:auto;border-radius:18px;background:#fbfbfd;font-family:"Pretendard Variable",Pretendard,sans-serif}
.tr-chip{position:absolute;left:28px;top:28px;z-index:1;display:flex;align-items:center;gap:6px;padding:6px 12px 6px 8px;border-radius:999px;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 1px 0 rgba(0,0,0,.05),0 6px 18px -10px rgba(0,0,0,.3);font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.tr-chip b{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--blue);color:#fff;font-size:12px}
.tr-chip i{font-style:normal;color:var(--ink);margin-left:4px}
.tr-note{margin:10px 4px 0;font-size:12.5px;color:var(--muted)}
.tr-steps{list-style:none;margin:0;padding:0}
.tr-step{min-height:74vh;display:flex;flex-direction:column;justify-content:center;opacity:.28;transition:opacity .5s var(--apple)}
.tr-step.on{opacity:1}
.tr-step .lf-pill{align-self:flex-start}
.tr-step b{display:block;margin-top:14px;font-size:clamp(26px,2.8vw,38px);font-weight:700;letter-spacing:-.035em;line-height:1.2;color:var(--ink)}
.tr-step p{margin:12px 0 0;font-size:17px;line-height:1.7;color:var(--muted)}
.tr-step:last-child b{color:var(--blue)}
/* svg parts */
.tr-lbl{font-size:12px;font-weight:600;fill:#6e6e73}
.tr-lbl.b{fill:#0071e3;font-weight:700}
.tr svg text{font-size:13px;font-weight:600}
.tr svg .tr-lbl{font-size:12px}
.tr-obj{fill:#fff;stroke:#1d1d1f;stroke-width:1.5}
.tr-floor{fill:#d2d2d7}
.tr-slab{fill:#ececf0}
.tr-ceil{fill:#fff;stroke:#1d1d1f;stroke-width:1.2}
.tr-pipe-o{fill:none;stroke:#1d1d1f;stroke-width:15;stroke-linejoin:round}
.tr-pipe{fill:none;stroke:#c7ccd3;stroke-width:11;stroke-linejoin:round}
.tr-joint{fill:#a1a7b0;stroke:#1d1d1f;stroke-width:1.4;transition:fill .4s}
.tr.lock .tr-joint{fill:#0071e3}
.tr-flow{fill:none;stroke:#0071e3;stroke-width:3;stroke-dasharray:2 6;stroke-linecap:round;animation:trFlow 1s linear infinite}
@keyframes trFlow{to{stroke-dashoffset:-16}}
.tr-stain path{fill:#7f9bb3;fill-opacity:.5}
.tr-stain,.tr-drop,.tr-res,.tr-scope,.tr-cause,.tr-fix,.tr-dist{opacity:0;transition:opacity .5s var(--apple),transform .6s cubic-bezier(.34,1.56,.64,1)}
.tr-drop{fill:#7f9bb3}
.tr-scope{transform-box:fill-box;transform-origin:center;transform:scale(1.6)}
.tr.s1 .tr-stain,.tr.s1 .tr-res{opacity:1}
.tr.s1 .tr-drop{animation:trDrop 2.2s cubic-bezier(.55,0,1,.45) infinite}
.tr.s1 .tr-drop.d2{animation-delay:1.1s}
@keyframes trDrop{0%{opacity:0;transform:translateY(0)}15%{opacity:1}80%{opacity:1}100%{opacity:0;transform:translateY(116px)}}
.tr.lock .tr-scope{opacity:1;transform:none}
.tr.lock .tr-cause{opacity:1}
.tr.s3 .tr-fix,.tr.s3 .tr-dist{opacity:1}
.tr.s3 .tr-res{opacity:.45}
@media (max-width:900px){
  .tr{grid-template-columns:minmax(0,1fr);gap:0;margin-top:36px}
  .tr-stage{top:70px;padding-bottom:10px;background:var(--bg);box-shadow:0 -70px 0 var(--bg)}
  .tr-fig{padding:8px;border-radius:22px}
  .tr-fig svg{border-radius:16px}
  .tr-chip{left:16px;top:16px;font-size:12px}
  .tr-note{font-size:11.5px}
  .tr-step{display:block;min-height:66vh;padding-top:18px;text-align:left}
  .tr-step .tr-txt{position:sticky;top:calc(70px + var(--stage-h,320px) + 8px)}
  .tr-step:last-child{min-height:44vh}
  .tr-step p{font-size:16px}
}

/* cost: lab-style comparison bars, scrubbed by scroll. Counts are an example of the flow, not prices */
.cb{max-width:900px;margin:clamp(44px,5vw,64px) auto 0;text-align:left}
.cb-row+.cb-row{margin-top:34px}
.cb-top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:12px}
.cb-k{font-size:15px;font-weight:600;color:var(--muted)}
.cb-n{font-size:clamp(30px,4.4vw,52px);font-weight:700;letter-spacing:-.04em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.cb-n span{display:inline-block;min-width:.62em;text-align:center}
.me .cb-n{color:var(--blue)}
.cb-track{position:relative;display:flex;gap:4px;height:58px;padding:4px;border-radius:18px;background:#e8e8ed}
.cb-track i{flex:0 0 calc((100% - 8px) / 3);display:grid;place-items:center;border-radius:14px;font-style:normal;font-size:15px;font-weight:600;white-space:nowrap;color:#fff;background:#86868b;opacity:0;transform:translateX(-14px) scaleX(.6);transform-origin:left;transition:opacity .45s var(--apple),transform .6s cubic-bezier(.22,1,.36,1)}
.other .cb-track i:nth-child(2){background:#6e6e73}
.other .cb-track i:nth-child(3){background:#1d1d1f}
.me .cb-track i{background:var(--blue)}
.cb-track i.on{opacity:1;transform:none}
.cb-badge{position:absolute;left:calc((100% - 8px) / 3 + 18px);top:50%;display:grid;place-items:center;height:36px;padding:0 16px;border-radius:999px;background:#000;color:#fff;font-size:14px;font-weight:700;opacity:0;transform:translateY(-50%) scale(.6);transition:opacity .35s var(--apple),transform .5s cubic-bezier(.34,1.56,.64,1)}
.cb-badge.on{opacity:1;transform:translateY(-50%) scale(1)}
.cb-note{margin:18px 0 0;font-size:13px;color:var(--muted)}
@media (max-width:900px){
  .cb-top{flex-direction:column;align-items:flex-start;gap:4px}
  .cb-track{height:50px;border-radius:16px}
  .cb-track i{font-size:13px;border-radius:12px}
  .cb-badge{height:32px;padding:0 12px;font-size:13px}
}

/* how: lab-style spine that fills with scroll; each card's number lights as it passes */
.pss-dots{display:none}
.pss-cards{position:relative;padding-left:52px}
.pss-spine{position:absolute;left:15px;top:20px;bottom:100px;width:2px;border-radius:2px;background:#e8e8ed}
.pss-spine i{position:absolute;inset:0;border-radius:inherit;background:var(--blue);transform-origin:top;transform:scaleY(var(--p,0))}
.pss-card{position:relative}
.pss-card::before{content:attr(data-n);position:absolute;left:-52px;top:18px;display:grid;place-items:center;width:32px;height:32px;border-radius:50%;font-size:13px;font-weight:700;background:#fff;color:#86868b;box-shadow:inset 0 0 0 2px #e8e8ed;transition:background .35s var(--apple),color .35s,box-shadow .35s,transform .45s cubic-bezier(.34,1.56,.64,1)}
.pss-card.done::before,.pss-card[data-active]::before{background:var(--blue);color:#fff;box-shadow:0 0 0 6px rgba(0,113,227,.14)}
.pss-card[data-active]::before{transform:scale(1.12)}
@media (max-width:900px){
  .pss-cards{padding-left:44px}
  .pss-spine{left:13px;bottom:20px}
  .pss-card::before{left:-44px;width:28px;height:28px;font-size:12px}
}

/* proof: lab-style field mosaic (one lead photo + tiles), replacing the drifting wall. No zoom: most originals are only 178px wide */
#proof .fld{margin-top:clamp(56px,7vw,88px)}
.fld-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.fld-grid figure{position:relative;margin:0;aspect-ratio:4/3;border-radius:18px;overflow:hidden;background:var(--dark-2)}
.fld-grid figure.lead{grid-column:span 2;grid-row:span 2;aspect-ratio:auto}
.fld-grid img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--apple),filter .5s}
.fld-grid figure:hover img{transform:scale(1.045)}
.fld-grid figcaption{position:absolute;left:12px;bottom:12px;pointer-events:none;font-size:13px;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(6,12,22,.62);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff}
.fld-grid figure.lead figcaption{font-size:15px;padding:7px 14px}
.fld-more{display:flex;flex-direction:column;justify-content:space-between;gap:6px;padding:14px 16px;border-radius:18px;background:var(--blue);color:#fff;text-decoration:none;transition:background .3s}
.fld-more:hover{background:#0062c4}
.fld-more b{font-size:clamp(18px,1.5vw,22px);font-weight:700;letter-spacing:-.03em;line-height:1.25}
.fld-more em{font-style:normal;font-size:14px;font-weight:700}
@media (max-width:900px){
  .fld-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .fld-grid figure{border-radius:14px}
  .fld-grid figure.lead{grid-row:auto;aspect-ratio:4/3}
  .fld-grid figcaption{left:8px;bottom:8px;font-size:12px;padding:4px 9px}
  .fld-more{padding:14px;border-radius:14px}
}

/* proof: work log ledger. Replaces the "real stories" cards: no customer quotes exist yet, so it states only the work done */
.wlog{margin-top:clamp(72px,9vw,104px);text-align:left}
.wl-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.wl-head .rv-title{margin:0}
.wl-head p{margin:0;max-width:24rem;font-size:15px;line-height:1.6;color:var(--on-dark-60)}
.wl-list{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--on-dark-line)}
.wl-list li{display:grid;grid-template-columns:96px 64px minmax(0,1fr) auto;align-items:center;gap:2px 20px;padding:16px 0;border-bottom:1px solid var(--on-dark-line);transition:background .3s}
.wl-list li:hover{background:rgba(255,255,255,.03)}
.wl-list img{grid-row:1/3;width:96px;height:72px;border-radius:12px;object-fit:cover;background:var(--dark-2)}
.wl-tag{grid-row:1/3;justify-self:start;font-size:13px;font-weight:700;padding:5px 11px;border-radius:999px;color:var(--blue-l);box-shadow:inset 0 0 0 1px rgba(77,163,255,.45)}
.wl-list b{grid-column:3;align-self:end;display:block;font-size:clamp(17px,1.5vw,20px);font-weight:600;letter-spacing:-.02em;color:#fff}
.wl-where{grid-column:3;grid-row:2;align-self:start;font-size:14px;color:var(--on-dark-60)}
.wl-src{grid-column:4;grid-row:1/3;font-size:12px;font-weight:600;color:rgba(255,255,255,.42);white-space:nowrap}
@media (max-width:900px){
  .wl-list li{grid-template-columns:76px minmax(0,1fr);gap:4px 14px;padding:14px 0}
  .wl-list img{grid-row:1/4;width:76px;height:76px}
  .wl-tag{grid-column:2;grid-row:auto;padding:3px 9px;font-size:12px}
  .wl-list b{grid-column:2;font-size:16px}
  .wl-where{grid-column:2;grid-row:auto;margin:0;font-size:13px}
  .wl-src{display:none}
}

/* hero v-scan: lab-style thermal lens over one leak scene (replaces the 3-scene before/after wipe) */
.hero .scan .base,.hero .scan .thermal{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:var(--pos,62% 40%)}
.hero .scan .thermal{filter:saturate(1.05)}
.hero .scan .lens span{top:auto;bottom:calc(100% + 10px)}
.hero .scan-hint{right:var(--pad,24px);top:96px}
.hero .scan-tag{position:absolute;z-index:3;right:var(--pad,24px);top:140px;display:flex;align-items:center;gap:8px;margin:0;font-size:12.5px;color:rgba(255,255,255,.82)}
.hero .scan-tag b{font-size:11px;font-weight:700;letter-spacing:.08em;padding:3px 8px;border-radius:6px;background:var(--blue);color:#fff}
.hero .loc.eb{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:600}
.hero .loc.eb i{width:8px;height:8px;border-radius:50%;background:var(--blue-l);box-shadow:0 0 0 0 rgba(77,163,255,.6);animation:ebPulse 2.4s ease-out infinite}
@keyframes ebPulse{0%{box-shadow:0 0 0 0 rgba(77,163,255,.55)}70%,100%{box-shadow:0 0 0 10px rgba(77,163,255,0)}}
.hero h1.th{font-size:clamp(44px,4.9vw,76px);line-height:1.1;letter-spacing:-.045em}
.hero h1.th .ln{overflow:hidden;padding-bottom:.05em}
.hero h1.th em{color:var(--blue-l)}
.hero .btn-main .num{font-variant-numeric:tabular-nums;letter-spacing:.01em;margin-left:2px}
.hero .btn-glass svg{width:18px;height:18px;margin-left:6px}
@media (max-width:900px){
  .hero .scan .base,.hero .scan .thermal{object-position:var(--pos,62% 40%)}
  .hero .scan-tag{left:12px;right:auto;top:76px;bottom:auto}
  .hero .scan-hint{display:none}
  .hero .scan .lens span{bottom:auto;top:calc(100% + 8px)}
  .hero h1.th{font-size:clamp(32px,8.6vw,46px)}
  .hero .loc.eb{font-size:13px}
}