:root{
  --ink:#0A0C10;
  --panel:#131820;
  --panel2:#1A212B;
  --rule:#242C38;
  --rule-lit:#36414F;
  --gold:#F2A93B;
  --gold-dim:#C2831F;
  --gold-wash:rgba(242,169,59,.10);
  --text:#E7E9EC;
  --muted:#AEB7C4;
  --dim:#8A93A2;
  --ok:#4ADE80;
  --bad:#FB7185;
  --sans:'Archivo',system-ui,-apple-system,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:2px}
::selection{background:var(--gold);color:#1A1204}

.wrap{max-width:1060px;margin:0 auto;padding:0 22px}
.band{padding:64px 0;border-top:1px solid var(--rule)}
.band:first-of-type{border-top:none}
h1,h2,h3{letter-spacing:-.025em;line-height:1.08;font-weight:700}
h1{font-size:clamp(2.1rem,7vw,3.5rem);font-weight:800}
h2{font-size:clamp(1.5rem,4.2vw,2.1rem);margin-bottom:10px}
h3{font-size:1.02rem;letter-spacing:-.01em;line-height:1.3}
p{color:var(--muted);max-width:66ch}
.lede{font-size:1.05rem;color:var(--muted)}
.dim{color:var(--dim);font-size:.85rem;max-width:66ch}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:60;background:rgba(10,12,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.hbar{display:flex;align-items:center;justify-content:space-between;height:58px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.brand i{width:9px;height:9px;background:var(--gold);border-radius:2px;flex:0 0 auto;font-style:normal}
.hprice{margin-left:auto;font-family:var(--mono);font-size:.88rem;color:var(--gold);display:none}
@media(min-width:560px){.hprice{display:block}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;min-height:50px;white-space:nowrap;font-family:var(--sans);font-size:.95rem;font-weight:600;border:1px solid transparent;border-radius:4px;cursor:pointer;transition:background .15s,border-color .15s,color .15s;width:100%}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-gold{background:var(--gold);color:#1A1204;border-color:var(--gold)}
.btn-gold:hover:not(:disabled){background:#FFBB55}
.btn-line{background:transparent;border-color:var(--rule-lit);color:var(--text)}
.btn-line:hover{border-color:var(--gold);color:var(--gold)}
.btn-sm{min-height:38px;padding:8px 15px;font-size:.84rem;width:auto;border-radius:3px}
@media(min-width:560px){.btn{width:auto}}

/* ---------- hero ---------- */
.hero{padding:56px 0 60px}
.hero-grid{display:grid;gap:36px;align-items:start}
@media(min-width:900px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:52px}}
.tag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.74rem;color:var(--gold);border:1px solid var(--gold);border-radius:3px;padding:4px 9px;margin-bottom:20px}
.hero h1{margin-bottom:16px;max-width:15ch}
.hero-sub{font-size:1.06rem;color:var(--muted);max-width:46ch;margin-bottom:26px}
.hero-cta{display:flex;flex-direction:column;gap:11px;max-width:480px}
@media(min-width:560px){.hero-cta{flex-direction:row}}
.hero-note{margin-top:16px;font-size:.84rem;color:var(--dim)}

/* ---------- SIGNATURE: kit manifest plate ---------- */
.plate{position:relative;background:var(--panel);border:1px solid var(--rule-lit);padding:22px 20px 20px}
.plate::before,.plate::after{content:'';position:absolute;width:11px;height:11px;border:1px solid var(--gold);pointer-events:none}
.plate::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.plate::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.plate-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--rule)}
.plate-head b{font-size:.95rem;font-weight:700;letter-spacing:-.01em}
.plate-head span{font-family:var(--mono);font-size:.7rem;color:var(--dim)}
.man{width:100%;border-collapse:collapse;margin-top:4px}
.man td{padding:9px 0;border-bottom:1px solid var(--rule);font-size:.89rem;vertical-align:top}
.man td:first-child{color:var(--text)}
.man td:last-child{text-align:right;color:var(--dim);font-family:var(--mono);font-size:.75rem;white-space:nowrap;padding-left:14px}
.man tr:last-child td{border-bottom:none}
.man .qty{color:var(--gold)}
.plate-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-top:14px;padding-top:14px;border-top:1px solid var(--rule-lit)}
.plate-foot small{display:block;font-size:.72rem;color:var(--dim);letter-spacing:.02em}
.plate-price{font-family:var(--mono);font-size:1.75rem;font-weight:600;color:var(--gold);line-height:1;letter-spacing:-.02em}
.plate-excl{margin-top:12px;font-size:.76rem;color:var(--dim);border-left:2px solid var(--gold-dim);padding-left:10px}

/* one orchestrated load moment */
@media(prefers-reduced-motion:no-preference){
  .plate{animation:plate-in .7s cubic-bezier(.2,.8,.3,1) both}
  .man tr{animation:row-in .5s ease both}
  .man tr:nth-child(1){animation-delay:.24s}.man tr:nth-child(2){animation-delay:.30s}
  .man tr:nth-child(3){animation-delay:.36s}.man tr:nth-child(4){animation-delay:.42s}
  .man tr:nth-child(5){animation-delay:.48s}.man tr:nth-child(6){animation-delay:.54s}
  .man tr:nth-child(7){animation-delay:.60s}
}
@keyframes plate-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes row-in{from{opacity:0}to{opacity:1}}

/* ---------- chain (how it works — genuinely a sequence) ---------- */
.chain{display:grid;gap:0;margin-top:26px;border:1px solid var(--rule)}
@media(min-width:820px){.chain{grid-template-columns:repeat(4,1fr)}}
.link{padding:20px 18px;border-bottom:1px solid var(--rule)}
.link:last-child{border-bottom:none}
@media(min-width:820px){.link{border-bottom:none;border-right:1px solid var(--rule)}.link:last-child{border-right:none}}
.link .step{font-family:var(--mono);font-size:.72rem;color:var(--gold);display:block;margin-bottom:9px}
.link h3{margin-bottom:6px}
.link p{font-size:.86rem}

/* ---------- spec rows (kit detail) ---------- */
.specs{margin-top:24px;border-top:1px solid var(--rule)}
.spec{display:grid;gap:4px;padding:16px 0;border-bottom:1px solid var(--rule)}
@media(min-width:720px){.spec{grid-template-columns:220px 1fr;gap:24px;align-items:baseline}}
.spec h3{color:var(--text)}
.spec p{font-size:.89rem;margin:0}

/* ---------- notice ---------- */
.notice{border:1px solid var(--rule-lit);border-left:3px solid var(--gold);background:var(--panel);padding:18px 20px;margin-top:24px}
.notice h3{margin-bottom:8px;color:var(--gold)}
.notice p{font-size:.88rem}
.notice p+p{margin-top:8px}

/* ---------- estimator ---------- */
.est{display:grid;gap:26px;margin-top:24px}
@media(min-width:820px){.est{grid-template-columns:1fr 1fr;gap:36px}}
.slider{margin-bottom:22px}
.slider label{display:flex;justify-content:space-between;align-items:baseline;font-size:.88rem;color:var(--muted);margin-bottom:9px;gap:12px}
.slider output{font-family:var(--mono);font-size:1rem;color:var(--gold)}
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;background:transparent;height:24px;cursor:pointer}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--rule-lit)}
input[type=range]::-moz-range-track{height:2px;background:var(--rule-lit)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--gold);margin-top:-8px;border:none}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--gold);border:none}
.readout{background:var(--panel);border:1px solid var(--rule-lit);padding:22px}
.readout .big{font-family:var(--mono);font-size:clamp(1.8rem,6vw,2.4rem);font-weight:600;color:var(--gold);line-height:1;letter-spacing:-.02em}
.readout .cap{font-size:.8rem;color:var(--dim);margin-top:7px}
.payback{margin-top:18px;padding-top:16px;border-top:1px solid var(--rule);font-size:.86rem;color:var(--muted)}
.payback b{color:var(--text);font-family:var(--mono)}

/* ---------- audience ---------- */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tags span{border:1px solid var(--rule-lit);padding:7px 13px;font-size:.86rem;color:var(--muted)}

/* ---------- two-col ---------- */
.duo{display:grid;gap:30px;margin-top:8px}
@media(min-width:820px){.duo{grid-template-columns:1fr 1fr;gap:44px}}

/* ---------- faq ---------- */
details{border-bottom:1px solid var(--rule)}
summary{padding:17px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;font-weight:600;font-size:.97rem}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';color:var(--gold);font-family:var(--mono);flex:0 0 auto}
details[open] summary::after{content:'–'}
details p{padding-bottom:17px;font-size:.89rem}

/* ---------- forms ---------- */
.field{margin-bottom:15px}
.field label{display:block;font-size:.83rem;color:var(--muted);margin-bottom:6px;font-weight:500}
.req{color:var(--gold)}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;background:var(--ink);border:1px solid var(--rule-lit);border-radius:3px;padding:13px 14px;color:var(--text);font-family:var(--sans);font-size:16px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
textarea{min-height:84px;resize:vertical}
.bad-field{border-color:var(--bad)!important}
.ferr{color:var(--bad);font-size:.78rem;margin-top:5px}
.qtyrow{display:flex;align-items:center;gap:0;border:1px solid var(--rule-lit);border-radius:3px;width:fit-content}
.qtyrow button{width:46px;height:46px;background:transparent;border:none;color:var(--gold);font-size:1.2rem;cursor:pointer;font-family:var(--mono)}
.qtyrow button:disabled{color:var(--dim);cursor:not-allowed}
.qtyrow span{width:52px;text-align:center;font-family:var(--mono);font-size:1rem;border-left:1px solid var(--rule-lit);border-right:1px solid var(--rule-lit);line-height:46px}
.check{display:flex;gap:11px;align-items:flex-start;padding:15px;border:1px solid var(--rule-lit);border-radius:3px;cursor:pointer;font-size:.87rem;color:var(--muted)}
.check input{width:18px;height:18px;margin-top:2px;flex:0 0 auto;accent-color:var(--gold)}
.total-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--rule-lit);background:var(--panel);padding:16px 18px;margin-bottom:20px}
.total-bar .big{font-family:var(--mono);font-size:1.35rem;color:var(--gold);font-weight:600}

/* ---------- alerts ---------- */
.alert{padding:14px 16px;font-size:.88rem;margin:14px 0;border:1px solid}
.a-bad{border-color:rgba(251,113,133,.4);background:rgba(251,113,133,.07);color:#FDA4B4}
.a-ok{border-color:rgba(74,222,128,.4);background:rgba(74,222,128,.07);color:#86EFAC}
.a-note{border-color:var(--rule-lit);background:var(--panel);color:var(--muted)}

/* ---------- result ---------- */
.rows{margin-top:18px;border-top:1px solid var(--rule)}
.row{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--rule);font-size:.9rem;align-items:baseline}
.row span:first-child{color:var(--dim);flex:0 0 auto}
.row span:last-child{text-align:right}
.copybtn{background:transparent;border:1px solid var(--rule-lit);color:var(--gold);font-family:var(--mono);font-size:.72rem;padding:3px 8px;cursor:pointer;margin-left:8px;border-radius:2px}

/* ---------- placeholder image ---------- */
.ph{aspect-ratio:4/3;background:var(--panel);border:1px dashed var(--rule-lit);display:grid;place-items:center;font-family:var(--mono);font-size:.72rem;color:var(--dim);text-align:center;padding:12px}
.ph img{width:100%;height:100%;object-fit:cover}

/* ---------- footer / floats ---------- */
footer{border-top:1px solid var(--rule);padding:38px 0 96px;color:var(--dim);font-size:.86rem}
footer a{color:var(--gold)}
.wa{position:fixed;right:16px;bottom:80px;z-index:65;width:52px;height:52px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 4px 16px rgba(0,0,0,.4)}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(19,24,32,.97);backdrop-filter:blur(10px);border-top:1px solid var(--rule-lit);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:14px;transform:translateY(130%);transition:transform .3s ease}
.sticky.on{transform:none}
.sticky .btn{width:auto;flex:1;max-width:180px;margin-left:auto}
@media(min-width:900px){.sticky{display:none}.wa{bottom:22px}}
.spin{width:15px;height:15px;border:2px solid rgba(0,0,0,.3);border-top-color:currentColor;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
.hide{display:none!important}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* ================= v3 ADDITIONS ================= */

/* ---------- qualification funnel ---------- */
.funnel{display:grid;gap:0;border:1px solid var(--rule-lit);margin-top:26px}
@media(min-width:700px){.funnel{grid-template-columns:1fr 1fr}}
.fn{display:block;padding:20px 20px;border-bottom:1px solid var(--rule);transition:background .15s;position:relative}
.fn:hover{background:var(--panel)}
@media(min-width:700px){
  .fn:nth-child(odd){border-right:1px solid var(--rule)}
  .fn:nth-last-child(-n+2){border-bottom:none}
}
@media(max-width:699px){.fn:last-child{border-bottom:none}}
.fn b{display:block;font-size:1rem;font-weight:700;letter-spacing:-.015em;margin-bottom:5px}
.fn small{display:block;color:var(--muted);font-size:.85rem;line-height:1.45;max-width:42ch}
.fn .pill{font-family:var(--mono);font-size:.72rem;color:var(--gold);float:right;margin-left:12px}

/* ---------- comparison ---------- */
.cmp-wrap{margin-top:26px;border:1px solid var(--rule-lit);overflow-x:auto;-webkit-overflow-scrolling:touch}
.cmp{width:100%;min-width:520px;border-collapse:collapse;font-size:.89rem}
.cmp th,.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--rule);vertical-align:top}
.cmp thead th{background:var(--panel);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--dim);font-weight:600;white-space:nowrap}
.cmp thead th:first-child{color:transparent}
.cmp tbody th{color:var(--dim);font-weight:500;white-space:nowrap;width:150px}
.cmp td{color:var(--text)}
.cmp .p{font-family:var(--mono);color:var(--gold);font-size:1rem}
.cmp tr:last-child th,.cmp tr:last-child td{border-bottom:none}
.cmp-note{font-size:.78rem;color:var(--dim);margin-top:12px}

/* ---------- product cards on landing ---------- */
.pcards{display:grid;gap:20px;margin-top:26px}
@media(min-width:820px){.pcards{grid-template-columns:1fr 1fr}}
.pcard{background:var(--panel);border:1px solid var(--rule-lit);padding:24px 22px;display:flex;flex-direction:column}
.pcard .pc-top{display:flex;justify-content:space-between;align-items:baseline;gap:14px;margin-bottom:6px}
.pcard h3{font-size:1.15rem;font-weight:700}
.pcard .pc-price{font-family:var(--mono);font-size:1.25rem;color:var(--gold);white-space:nowrap}
.pcard p{font-size:.88rem;margin-bottom:16px}
.pcard ul{list-style:none;margin-bottom:20px;flex:1}
.pcard li{font-size:.86rem;color:var(--muted);padding:7px 0;border-bottom:1px solid var(--rule)}
.pcard li:last-child{border-bottom:none}
.pcard li::before{content:'—';color:var(--gold);margin-right:9px;font-family:var(--mono)}

/* ---------- breadcrumb / back ---------- */
.crumb{font-family:var(--mono);font-size:.78rem;color:var(--dim);padding:18px 0 0}
.crumb a{color:var(--gold)}

/* ---------- service header ---------- */
.svc-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:12px}
.svc-price{font-family:var(--mono);font-size:1.5rem;color:var(--gold)}

/* ---------- form grid ---------- */
.fgrid{display:grid;gap:0 18px}
@media(min-width:640px){.fgrid.two{grid-template-columns:1fr 1fr}.fgrid .full{grid-column:1/-1}}

/* ---------- overflow guards ----------
   Grid children default to min-width:auto, which means a single nowrap
   button can push a whole column wider than the phone. These two rules
   stop that happening. */
.duo>*,.est>*,.pcards>*,.hero-grid>*,.funnel>*{min-width:0}
.btn{max-width:100%}
.btn-wrap{white-space:normal;text-align:center;line-height:1.3}

/* ---------- product photo ---------- */
.shot{margin:26px 0 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}
.shot img{display:block;width:100%;height:auto;max-width:100%}
.shot figcaption{padding:12px 16px;font-size:.82rem;color:var(--muted);border-top:1px solid var(--line);font-family:var(--mono)}
.shot-duo{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center;margin-top:26px}
.shot-duo>*{min-width:0}
@media(max-width:780px){.shot-duo{grid-template-columns:1fr}}

/* ---------- motion ---------- */
.rise{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s cubic-bezier(.22,.7,.3,1)}
.rise.in{opacity:1;transform:none}
.pcard,.fn,.spec,.shot{transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.pcard:hover,.fn:hover,.spec:hover{transform:translateY(-3px);border-color:var(--rule-lit)}
.shot:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(0,0,0,.45)}
.btn{transition:transform .12s ease,filter .18s ease}
.btn:hover{filter:brightness(1.07)}
.btn:active{transform:translateY(1px)}
details summary{transition:color .18s ease}
details summary:hover{color:var(--gold)}
.wa{transition:transform .2s ease}
.wa:hover{transform:scale(1.07)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none;transition:none}
  .pcard:hover,.fn:hover,.spec:hover,.shot:hover,.btn:active,.wa:hover{transform:none}
  .btn{transition:none}
}

/* ---------- slide-out navigation ---------- */
.hbar{align-items:center}
.navbtn{margin-left:auto;width:42px;height:42px;display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;background:transparent;border:1px solid var(--line);border-radius:9px;
  cursor:pointer;padding:0;transition:border-color .2s ease}
.navbtn:hover{border-color:var(--rule-lit)}
.navbtn span{display:block;width:17px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .28s ease,opacity .2s ease}
.navbtn[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.navbtn[aria-expanded="true"] span:nth-child(2){opacity:0}
.navbtn[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hdr-cta{margin-left:12px}
@media(max-width:520px){.hdr-cta{display:none}}

.navscrim{position:fixed;inset:0;background:rgba(4,6,9,.72);z-index:60;opacity:0;
  transition:opacity .28s ease;backdrop-filter:blur(2px)}
.navscrim.on{opacity:1}
.navpanel{position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:61;
  background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .3s cubic-bezier(.22,.7,.3,1);
  box-shadow:-18px 0 50px rgba(0,0,0,.5)}
.navpanel.on{transform:none}
/* the hidden attribute must win over display:flex, or the panel is never truly gone */
.navpanel[hidden],.navscrim[hidden]{display:none}
.np-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;
  border-bottom:1px solid var(--line);flex:0 0 auto}
.np-title{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.np-close{background:transparent;border:0;color:var(--text);font-size:1.9rem;line-height:1;
  cursor:pointer;padding:0 4px}
.np-close:hover{color:var(--gold)}
.np-body{overflow-y:auto;padding:8px 0 24px;flex:1 1 auto;-webkit-overflow-scrolling:touch}
.np-group{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--dim);padding:18px 18px 7px;margin:0}
.np-body>a{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:11px 18px;color:var(--text);text-decoration:none;font-size:.93rem;
  border-left:2px solid transparent;transition:background .18s ease,border-color .18s ease,color .18s ease}
.np-body>a:hover{background:rgba(255,255,255,.04);border-left-color:var(--gold);color:#fff}
.np-body>a b{font-family:var(--mono);font-size:.8rem;color:var(--gold);font-weight:600;white-space:nowrap}
.np-body>a.np-sub{font-size:.84rem;color:var(--muted);padding-top:6px;padding-bottom:12px}
.np-foot{padding:20px 18px 8px;border-top:1px solid var(--line);margin-top:14px}
body.navopen{overflow:hidden}
/* the floating buttons sit above the panel otherwise, covering menu rows */
body.navopen .wa,body.navopen .totop,body.navopen .sticky{opacity:0;pointer-events:none;transition:opacity .2s ease}

/* back to top */
.totop{position:fixed;right:21px;bottom:calc(80px + 52px + 12px);z-index:40;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .25s ease,transform .25s ease,border-color .2s ease}
.totop.on{opacity:1;pointer-events:auto;transform:none}
.totop:hover{border-color:var(--gold);color:var(--gold)}

@media(min-width:900px){.totop{bottom:calc(22px + 52px + 12px)}}
@media (prefers-reduced-motion:reduce){
  .navpanel,.navscrim,.navbtn span,.totop{transition:none}
}

/* ---------- help me choose ---------- */
.qprog{height:3px;background:var(--line);border-radius:3px;overflow:hidden;margin-bottom:14px}
.qprog span{display:block;height:100%;background:var(--gold);width:0;transition:width .3s ease}
.qstep{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--dim);margin:0 0 18px}
.qcard h2{margin:0 0 6px;font-size:1.32rem}
.qnote{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.qopts{display:grid;gap:10px;margin-top:16px}
.qopts button{text-align:left;padding:15px 17px;background:var(--panel);color:var(--text);
  border:1px solid var(--line);border-radius:11px;font:inherit;font-size:.97rem;cursor:pointer;
  transition:border-color .18s ease,background .18s ease,transform .14s ease}
.qopts button:hover{border-color:var(--gold);background:rgba(242,169,59,.06);transform:translateX(3px)}
.qopts button:active{transform:translateX(1px)}
.qres .tag{margin-bottom:12px}
.qres h2{margin:0 0 10px}

/* ---------- deployment gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:26px}
.gal>figure{margin:0;border:1px solid var(--line);border-radius:13px;overflow:hidden;background:var(--panel)}
.gal img,.gal video{display:block;width:100%;height:auto;max-width:100%;aspect-ratio:4/3;object-fit:cover}
.gal figcaption{padding:11px 15px;font-size:.84rem;color:var(--muted);border-top:1px solid var(--line)}
.vwrap{position:relative;cursor:pointer}
.vwrap .play{position:absolute;inset:0;display:grid;place-items:center;background:rgba(6,8,12,.35);
  transition:background .2s ease}
.vwrap .play i{width:54px;height:54px;border-radius:50%;background:rgba(242,169,59,.94);
  display:grid;place-items:center;color:#0A0C10;font-size:1.2rem;padding-left:4px}
.vwrap:hover .play{background:rgba(6,8,12,.2)}
.vwrap.playing .play{display:none}

/* ---------- small thumbnails, big on tap ---------- */
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
@media(max-width:420px){.thumbs{gap:9px}}
.thumb{position:relative;padding:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:var(--panel);cursor:pointer;display:block;aspect-ratio:1/1;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb:hover{transform:translateY(-3px);border-color:var(--gold);box-shadow:0 10px 26px rgba(0,0,0,.45)}
.tplay{position:absolute;inset:0;display:grid;place-items:center;background:rgba(6,8,12,.3)}
.tplay i{width:38px;height:38px;border-radius:50%;background:rgba(242,169,59,.95);color:#0A0C10;
  display:grid;place-items:center;font-size:.85rem;padding-left:3px;
  box-shadow:0 4px 14px rgba(0,0,0,.4)}
.tcap{position:absolute;left:0;right:0;bottom:0;padding:16px 8px 7px;font-family:var(--mono);
  font-size:.62rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.05em;color:#fff;text-align:left;
  background:linear-gradient(transparent,rgba(6,8,12,.9))}

/* lightbox */
.lbox{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;
  padding:16px;background:rgba(4,6,9,.88);backdrop-filter:blur(8px);opacity:0;transition:opacity .25s ease}
.lbox.open{display:flex}
.lbox.on{opacity:1}
.lbox-in{max-width:960px;width:100%}
.lbox video,.lbox img{width:100%;max-height:78vh;border-radius:13px;display:block;
  background:#000;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lbox-cap{margin-top:12px;font-family:var(--mono);font-size:.78rem;color:var(--muted);text-align:center}
.lbox-x{position:absolute;top:14px;right:16px;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);background:rgba(20,24,32,.7);color:#fff;font-size:1.6rem;
  line-height:1;cursor:pointer;display:grid;place-items:center}
.lbox-x:hover{border-color:var(--gold);color:var(--gold)}
@media (prefers-reduced-motion:reduce){.lbox,.thumb{transition:none}}

/* ---------- glass pass ----------
   backdrop-filter is expensive on low-end phones, so it is used only on the few
   surfaces that actually overlay content: header, menu, sticky bar, lightbox. */
header{background:rgba(13,16,22,.72);backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.07)}
@supports not (backdrop-filter:blur(2px)){header{background:rgba(13,16,22,.97)}}

.navpanel{background:rgba(19,24,32,.82);backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-left:1px solid rgba(255,255,255,.1)}
@supports not (backdrop-filter:blur(2px)){.navpanel{background:var(--panel)}}
.np-head{border-bottom:1px solid rgba(255,255,255,.08)}
.np-body>a:hover{background:rgba(255,255,255,.07)}

.sticky{background:rgba(19,24,32,.78);backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%)}
@supports not (backdrop-filter:blur(2px)){.sticky{background:rgba(19,24,32,.97)}}

/* a little of claymorphism's depth, none of its puffiness */
.pcard,.spec,.fn,.notice,.plate,.thumb,.shot{
  background-image:linear-gradient(rgba(255,255,255,.035),rgba(255,255,255,0) 58%);
  border-color:rgba(255,255,255,.09)}
.pcard,.plate{box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 10px 30px rgba(0,0,0,.28)}
.pcard:hover,.fn:hover,.spec:hover{
  box-shadow:0 1px 0 rgba(255,255,255,.1) inset,0 16px 40px rgba(0,0,0,.38)}
.btn-gold{box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 6px 18px rgba(242,169,59,.22)}
.btn-gold:hover{box-shadow:0 1px 0 rgba(255,255,255,.45) inset,0 9px 26px rgba(242,169,59,.3)}
.btn-line{background-image:linear-gradient(rgba(255,255,255,.05),rgba(255,255,255,0))}
.qopts button{background-image:linear-gradient(rgba(255,255,255,.04),rgba(255,255,255,0) 60%);
  box-shadow:0 1px 0 rgba(255,255,255,.05) inset,0 4px 14px rgba(0,0,0,.22)}
.totop,.navbtn{background:rgba(19,24,32,.7);backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px)}

/* ================= AMBIENT BACKGROUND =================
   Glass needs something behind it. This is a fixed, GPU-cheap gradient field
   (no blur, no animation loop) that the translucent panels below sit over. */
body{position:relative;background:#0A0D16}
body::before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(78vw 62vw at 88% 6%,   rgba(242,169,59,.34), transparent 62%),
    radial-gradient(62vw 54vw at 2% 14%,   rgba(58,128,222,.28), transparent 62%),
    radial-gradient(66vw 56vw at 66% 46%,  rgba(226,109,64,.16), transparent 62%),
    radial-gradient(78vw 66vw at 42% 104%, rgba(104,92,214,.26), transparent 64%),
    linear-gradient(172deg,#10141F 0%,#0A0D16 44%,#0C1019 100%)}
/* faint grid so the light has something to fall across */
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(130vw 110vh at 50% 22%,#000 12%,transparent 76%);
          mask-image:radial-gradient(130vw 110vh at 50% 22%,#000 12%,transparent 76%)}

/* sections stop being opaque slabs so the field shows through */
.band,.hero{background:transparent}
.band+.band{border-top:1px solid rgba(255,255,255,.055)}

/* ---------- panels become glass ---------- */
.pcard,.spec,.fn,.notice,.plate,.thumb,.shot,.est,.cmp-wrap,.qcard,.total-bar,.qres,
.field input,.field select,.field textarea,details{
  background-color:rgba(20,26,38,.42);
  background-image:linear-gradient(rgba(255,255,255,.09),rgba(255,255,255,.012) 46%,rgba(255,255,255,0));
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(9px) saturate(135%);
  -webkit-backdrop-filter:blur(9px) saturate(135%);
  box-shadow:0 1px 0 rgba(255,255,255,.09) inset,0 12px 34px rgba(0,0,0,.3)}
@supports not (backdrop-filter:blur(2px)){
  .pcard,.spec,.fn,.notice,.plate,.thumb,.shot,.est,.cmp-wrap,.qcard,.total-bar,.qres,
  .field input,.field select,.field textarea,details{background-color:rgba(20,25,35,.93)}
}
.pcard:hover,.fn:hover,.spec:hover{
  background-color:rgba(30,37,51,.58);border-color:rgba(242,169,59,.38);
  box-shadow:0 1px 0 rgba(255,255,255,.14) inset,0 18px 46px rgba(0,0,0,.42)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(242,169,59,.6);background-color:rgba(30,37,51,.6)}
.cmp th,.cmp td{border-color:rgba(255,255,255,.08)}
.cmp thead th{background:rgba(255,255,255,.05)}
.qopts button{background-color:rgba(24,30,42,.5);
  backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
  border-color:rgba(255,255,255,.1)}
.qopts button:hover{background-color:rgba(242,169,59,.12);border-color:rgba(242,169,59,.55)}

/* phones do the least work: keep blur on overlays only */
@media(max-width:760px){
  .pcard,.spec,.fn,.notice,.plate,.thumb,.shot,.est,.cmp-wrap,.qcard,.total-bar,.qres,
  .field input,.field select,.field textarea,details,.qopts button{
    backdrop-filter:none;-webkit-backdrop-filter:none;
    background-color:rgba(18,23,34,.66)}
}

/* ---------- estimator: typable values + mode switch ---------- */
.seg{display:flex;gap:6px;margin-bottom:22px;padding:4px;border-radius:11px;
  border:1px solid rgba(255,255,255,.1);background:rgba(20,26,38,.5)}
.seg button{flex:1;padding:10px;border:0;border-radius:8px;background:transparent;
  color:var(--muted);font:inherit;font-size:.86rem;cursor:pointer;
  transition:background .18s ease,color .18s ease}
.seg button:hover{color:var(--text)}
.seg button.on{background:var(--gold);color:#17120A;font-weight:600}
.slider label{flex-wrap:wrap}
.inwrap{display:inline-flex;align-items:center;gap:3px}
.inwrap i{font-family:var(--mono);font-size:1rem;color:var(--gold);font-style:normal}
/* the sitewide input[type=text] rule is more specific than a bare class,
   so these selectors have to name the attribute too or the box goes full width */
input[type=text].numin{width:8.5ch;padding:5px 8px;text-align:right;
  font-family:var(--mono);font-size:16px;line-height:1.2;color:var(--gold);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-radius:7px;transition:border-color .18s ease,background .18s ease}
input[type=text].numin.wide{width:11.5ch}
input[type=text].numin:hover{background:rgba(255,255,255,.1)}
input[type=text].numin:focus{outline:none;border-color:var(--gold);
  background:rgba(242,169,59,.12)}
input[type=text].numin.over{border-color:var(--bad);color:var(--bad)}

/* On a phone the floating WhatsApp button covers the right edge, so the value
   box moves under its label instead of sitting beneath the button. */
@media(max-width:560px){
  .slider label{flex-direction:column;align-items:flex-start;gap:8px}
  input[type=text].numin{text-align:left;width:9.5ch}
  input[type=text].numin.wide{width:12.5ch}
}