/* =========================================================
   VOLTFLOW Supply Co. · concept e-commerce · Portside Digital
   red = electrical (live) · blue = plumbing (flow)
   ========================================================= */
@property --a1 { syntax: '<color>'; inherits: true; initial-value: #E5252A; }
@property --a2 { syntax: '<color>'; inherits: true; initial-value: #1E4BFF; }

:root{
  --ink:#0A0E1C; --ink2:#10162B; --ink3:#1A2240;
  --paper:#F3F1EC; --paper2:#E8E5DD; --card:#FFFFFF;
  --line:rgba(10,14,28,.12); --line-d:rgba(255,255,255,.12);
  --red:#E5252A; --red-d:#B3121A; --red-l:#FF6A5E;
  --blue:#1E4BFF; --blue-d:#1233C2; --blue-l:#6E8BFF;
  --mute:#5D6378; --mute-d:#9BA2BC;
  --display:'Archivo',system-ui,sans-serif;
  --body:'Instrument Sans',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --r:18px;
  --pad:clamp(16px,4.2vw,64px);
  --a1:#E5252A; --a2:#1E4BFF;
  transition:--a1 .6s var(--ease), --a2 .6s var(--ease);
}
body[data-dept="electrical"]{--a1:#E5252A;--a2:#B3121A}
body[data-dept="plumbing"]{--a1:#1E4BFF;--a2:#1233C2}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{transition:--a1 .6s var(--ease),--a2 .6s var(--ease);margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55;overflow-x:hidden;-webkit-font-smoothing:antialiased}
body.locked{overflow:hidden}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
a{color:inherit;text-decoration:none}
input,select{font:inherit;color:inherit}
svg{display:block}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--a1);outline-offset:3px;border-radius:6px}
button,a,label,.cat{-webkit-tap-highlight-color:transparent}

/* ---------- type ---------- */
.h2{font-family:var(--display);font-weight:850;font-stretch:118%;font-variation-settings:"wdth" 118;text-transform:uppercase;font-size:clamp(34px,5.6vw,84px);line-height:.92;letter-spacing:-.02em;margin:0}
.h2 em{font-style:normal;color:var(--a1);transition:color .6s}
.eyebrow{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 18px}
.eyebrow span{display:inline-grid;place-items:center;min-width:30px;height:22px;padding:0 6px;border-radius:6px;background:var(--ink);color:#fff;font-weight:600;letter-spacing:0}
.sec{padding:clamp(80px,11vw,150px) var(--pad)}
.sec-head{max-width:1100px;margin-bottom:clamp(36px,5vw,64px)}
.sec-lede{max-width:560px;color:var(--mute);font-size:18px;margin:20px 0 0}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 18px;padding:8px 14px;border-radius:999px;background:rgba(10,14,28,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--line-d)}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(229,37,42,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(229,37,42,0)}100%{box-shadow:0 0 0 0 rgba(229,37,42,0)}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 24px;border-radius:12px;font-weight:700;font-size:15px;letter-spacing:.01em;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .3s;white-space:nowrap;touch-action:manipulation;user-select:none;-webkit-user-select:none}
.btn:active{transform:scale(.97)}
.btn-acc{color:#fff;background:linear-gradient(100deg,var(--a1),var(--a2));box-shadow:0 10px 30px -12px var(--a1)}
.btn-red{color:#fff;background:var(--red);box-shadow:0 10px 30px -12px var(--red)}
.btn-blue{color:#fff;background:var(--blue);box-shadow:0 10px 30px -12px var(--blue)}
.btn-ghost{border:1.5px solid currentColor;background:transparent}
.btn-block{width:100%}
@media (hover:hover){.btn-acc:hover,.btn-red:hover,.btn-blue:hover{transform:translateY(-2px);box-shadow:0 16px 36px -12px var(--a1)}}
.chip{height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line-d);background:rgba(10,14,28,.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#fff;font-size:14px;font-weight:600;transition:background .3s,border-color .3s}
@media (hover:hover){.chip:hover{background:var(--a1);border-color:var(--a1)}}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:4px 8px;border-radius:6px;margin-right:10px;color:#fff}
.tag-red{background:var(--red)}.tag-blue{background:var(--blue)}

/* ---------- loader ---------- */
.loader{position:fixed;inset:0;z-index:200;background:var(--ink);display:grid;place-items:center;color:#fff}
.loader-lines{position:absolute;left:0;top:50%;width:100%;height:120px;transform:translateY(-50%)}
.loader-lines path{fill:none;stroke-width:3;stroke-dasharray:1;stroke-dashoffset:1}
.ll-red{stroke:var(--red)}.ll-blue{stroke:var(--blue)}
.loader-mark{position:relative;display:flex;align-items:center;gap:14px;font-family:var(--display);font-weight:900;font-stretch:125%;font-variation-settings:"wdth" 125;font-size:clamp(24px,5vw,40px);letter-spacing:-.01em;padding:14px 22px;background:var(--ink);opacity:0}
.loader-mark svg{width:46px;height:46px}
.lm-drop{fill:var(--blue)}.lm-bolt{fill:var(--red);stroke:var(--ink);stroke-width:1.6;stroke-linejoin:round}
.loader-count{position:absolute;bottom:28px;right:var(--pad);font-family:var(--mono);font-size:12px;color:var(--mute-d);margin:0}
.no-js .loader{display:none}

/* ---------- rail ---------- */
.rail{position:fixed;left:18px;top:50%;transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;align-items:center;gap:10px;pointer-events:none;mix-blend-mode:difference;opacity:0;transition:opacity .5s}
.rail.on{opacity:1}
.rail-wire,.rail-pipe{position:relative;width:3px;height:16vh;border-radius:3px;background:rgba(255,255,255,.22);overflow:hidden}
.rail-wire{margin-left:-8px}.rail-pipe{margin:-16vh 0 0 8px;width:5px}
.rail-wire i,.rail-pipe i{position:absolute;inset:0;transform-origin:top;transform:scaleY(0)}
.rail-wire i{background:#1ADAD5}.rail-pipe i{background:#E1B400}
.rail-read{margin:6px 0 0;font-family:var(--mono);font-size:10px;color:#fff;text-align:center;line-height:1.1}
.rail-read b{display:block;font-size:13px}
.rail-read small{letter-spacing:.2em}

/* ---------- strip ---------- */
.strip{background:var(--ink);color:#d9dcea;font-size:13px;overflow:hidden;height:36px;display:flex;align-items:center;border-bottom:1px solid var(--line-d)}
.strip-track{display:flex;gap:26px;align-items:center;white-space:nowrap;animation:tick 38s linear infinite;padding-left:26px}
.strip b{color:#fff}
.strip .dot{width:5px;height:5px;border-radius:50%;background:linear-gradient(90deg,var(--red),var(--blue))}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:18px;height:68px;padding:0 var(--pad);background:rgba(10,14,28,.78);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);color:#fff;border-bottom:1px solid var(--line-d);transition:transform .45s var(--ease)}
.nav.hide{transform:translateY(-100%)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px}
.bm-drop{fill:var(--blue)}.bm-bolt{fill:var(--red);stroke:#fff;stroke-width:1.6;stroke-linejoin:round}
.brand-word{font-family:var(--display);font-weight:900;font-stretch:125%;font-variation-settings:"wdth" 125;font-size:19px;letter-spacing:-.01em;line-height:1;display:flex;flex-direction:column}
.brand-word small{font-family:var(--mono);font-weight:400;font-size:9.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--mute-d);margin-top:3px;font-stretch:100%}
.dept{position:relative;display:flex;padding:4px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--line-d);margin-left:auto}
.dept button{position:relative;z-index:1;display:flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:700;color:#c6cbe0;transition:color .3s}
.dept button svg{width:14px;height:14px;fill:currentColor}
.dept button[aria-checked="true"]{color:#fff}
.dept-pill{position:absolute;top:4px;left:4px;height:34px;border-radius:999px;background:linear-gradient(100deg,var(--a1),var(--a2));box-shadow:0 6px 20px -6px var(--a1);transition:transform .55s var(--ease),width .55s var(--ease)}
.nav-links{display:flex;gap:26px;font-size:14px;font-weight:600;color:#c6cbe0}
.nav-links a{position:relative;padding:6px 0;transition:color .3s}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--a1);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
@media (hover:hover){.nav-links a:hover{color:#fff}.nav-links a:hover::after{transform:scaleX(1);transform-origin:left}}
.nav-tools{display:flex;gap:6px}
.icon-btn{position:relative;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;transition:background .3s}
@media (hover:hover){.icon-btn:hover{background:rgba(255,255,255,.1)}}
.icon-btn svg,.dock svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.cart-count{position:absolute;top:3px;right:2px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--a1);color:#fff;font-size:11px;font-weight:700;display:grid;place-items:center;line-height:1;transform:scale(0);transition:transform .4s var(--ease),background .6s}
.cart-count.has{transform:scale(1)}
.cart-count.bump{animation:bump .5s var(--ease)}
@keyframes bump{40%{transform:scale(1.5)}}

/* ---------- hero ---------- */
.hero{position:relative;min-height:calc(100svh - 104px);min-height:max(620px,calc(100svh - 104px));background:var(--ink);color:#fff;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:0 var(--pad) clamp(28px,5vw,56px)}
.hero-split{position:absolute;inset:0;--split:50}
.hero-side{position:absolute;inset:0;margin:0;transition:clip-path .9s var(--ease)}
.hero-side img{position:absolute;inset:-6% 0 0 0;width:100%;height:112%;object-fit:cover;filter:grayscale(1) contrast(1.15) brightness(.95)}
.hero-side::after{content:"";position:absolute;inset:0;mix-blend-mode:multiply}
.hs-e::after{background:linear-gradient(160deg,#ff3b30,#8d0a10)}
.hs-p::after{background:linear-gradient(200deg,#3d6bff,#0b1a6e)}
.hs-e{clip-path:polygon(0 0,calc(var(--split)*1% + 8%) 0,calc(var(--split)*1% - 8%) 100%,0 100%)}
.hs-p{clip-path:polygon(calc(var(--split)*1% + 8%) 0,100% 0,100% 100%,calc(var(--split)*1% - 8%) 100%)}
.hs-e img{object-position:30% 30%}.hs-p img{object-position:70% 40%}
.hero-side figcaption{position:absolute;top:28px;z-index:2;font-size:13px;color:rgba(255,255,255,.85);display:flex;align-items:center}
.hs-e figcaption{left:var(--pad)}.hs-p figcaption{right:var(--pad)}
.hero-split::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,14,28,.92) 0%,rgba(10,14,28,.35) 45%,rgba(10,14,28,.1) 70%,rgba(10,14,28,.4));pointer-events:none}
.hero-seam{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}
.hero-seam line{vector-effect:non-scaling-stroke}
.seam-core{stroke:#fff;stroke-width:2}
.seam-glow{stroke:#fff;stroke-width:14;opacity:.18;filter:blur(6px)}
.hero-copy{position:relative;z-index:2;max-width:1100px}
.hero-title{font-family:var(--display);font-weight:900;font-stretch:125%;font-variation-settings:"wdth" 125;text-transform:uppercase;font-size:clamp(44px,10.4vw,176px);line-height:.86;letter-spacing:-.035em;margin:0 0 22px}
.ht-line{display:block;overflow:hidden;padding-bottom:.04em}
.ht-word{display:inline-block}
.ht-red .ht-word:last-child{color:#fff;text-shadow:0 0 40px rgba(229,37,42,.6)}
.ht-red .ht-word:last-child::after{content:"";display:inline-block;width:.16em;height:.16em;background:var(--red);margin-left:.04em;border-radius:2px}
.ht-blue .ht-word:last-child::after{content:"";display:inline-block;width:.16em;height:.16em;background:var(--blue);margin-left:.04em;border-radius:50%}
.ht-red .ht-word:last-child{text-shadow:none}
.hero-sub{max-width:520px;font-size:clamp(16px,1.5vw,19px);color:#d5d9ea;margin:0 0 26px}
.hero-search{position:relative;display:flex;align-items:center;gap:10px;max-width:620px;height:62px;padding:6px 6px 6px 18px;border-radius:16px;background:#fff;color:var(--ink);box-shadow:0 30px 60px -25px rgba(0,0,0,.6)}
.hero-search>svg{width:22px;height:22px;fill:none;stroke:var(--mute);stroke-width:2;stroke-linecap:round;flex-shrink:0}
.hero-search input{flex:1;min-width:0;height:100%;border:0;outline:0;background:transparent;font-size:16px}
.hero-search .btn{height:50px}
.hs-suggest{position:absolute;left:0;right:0;top:calc(100% + 8px);margin:0;padding:6px;list-style:none;background:#fff;border-radius:14px;box-shadow:0 30px 60px -20px rgba(0,0,0,.5);z-index:5}
.hs-suggest li button{display:flex;align-items:center;gap:12px;width:100%;padding:8px;border-radius:10px;text-align:left}
.hs-suggest li button[aria-selected="true"],.hs-suggest li button:hover{background:var(--paper)}
.hs-suggest img,.hs-suggest .mini-ico{width:40px;height:40px;border-radius:8px;object-fit:cover;flex-shrink:0}
.hs-suggest b{display:block;font-size:14px}.hs-suggest small{color:var(--mute);font-size:12px}
.hs-suggest .pr{margin-left:auto;font-family:var(--mono);font-size:13px;font-weight:600}
.hero-quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.hero-meta{position:absolute;right:var(--pad);bottom:clamp(28px,5vw,56px);z-index:2;display:flex;flex-direction:column;gap:18px;text-align:right}
.hero-meta p{margin:0;font-family:var(--display);font-weight:800;font-stretch:115%;font-variation-settings:"wdth" 115;font-size:30px;line-height:1}
.hero-meta span{display:block;font-family:var(--mono);font-weight:400;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute-d);margin-top:4px}
.scroll-cue{position:absolute;left:50%;bottom:16px;z-index:2;width:22px;height:36px;border:1.5px solid rgba(255,255,255,.5);border-radius:12px;transform:translateX(-50%)}
.scroll-cue span{position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;border-radius:2px;background:#fff;animation:cue 1.8s infinite}
@keyframes cue{to{transform:translateY(12px);opacity:0}}

/* ---------- marquee ---------- */
.marquee{background:var(--ink);padding:0 0 4px;overflow:hidden}
.mq-row{display:flex;overflow:hidden;white-space:nowrap;font-family:var(--display);font-weight:850;font-stretch:120%;font-variation-settings:"wdth" 120;text-transform:uppercase;font-size:clamp(28px,4.4vw,64px);line-height:1;padding:.32em 0}
.mq-red{background:var(--red);color:#fff;transform:rotate(-1.4deg) scale(1.03);margin-top:10px}
.mq-blue{background:var(--blue);color:#fff;transform:rotate(1deg) scale(1.03);margin-top:-6px}
.mq-track{display:flex;align-items:center;gap:.5em;padding-right:.5em;will-change:transform}
.mq-track i{font-style:normal;font-size:.55em;opacity:.7}

/* ---------- categories ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:clamp(190px,20vw,290px);gap:14px}
.cat{position:relative;overflow:hidden;border-radius:var(--r);text-align:left;color:#fff;background:var(--ink);isolation:isolate}
.cat-lg{grid-column:span 2;grid-row:span 2}
.cat-tall{grid-row:span 2}
.cat-wide{grid-column:span 2}
.cat-img{position:absolute;inset:0;overflow:hidden;clip-path:inset(0 0 0 0 round var(--r))}
.cat-img img{width:100%;height:100%;object-fit:cover;transform:scale(1.15);transition:transform 1.2s var(--ease)}
.cat::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,14,28,.85),rgba(10,14,28,0) 60%);z-index:0}
.cat[data-d="electrical"]::before,.cat[data-d="plumbing"]::before,.cat[data-d="all"]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;z-index:2;background:var(--red)}
.cat[data-d="plumbing"]::before{background:var(--blue)}
.cat[data-d="all"]::before{background:linear-gradient(var(--red),var(--blue))}
.cat-label{position:absolute;left:20px;right:20px;bottom:18px;z-index:1}
.cat-label b{display:block;font-family:var(--display);font-weight:850;font-stretch:115%;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:clamp(18px,1.8vw,26px);line-height:1}
.cat-lg .cat-label b{font-size:clamp(26px,3.2vw,46px)}
.cat-label small{display:block;font-size:13px;color:#cfd3e4;margin-top:6px}
.cat-n{position:absolute;top:16px;right:16px;z-index:1;font-family:var(--mono);font-size:11px;padding:5px 9px;border-radius:999px;background:rgba(255,255,255,.14);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
@media (hover:hover){.cat:hover .cat-img img{transform:scale(1.04)}}
body[data-dept="electrical"] .cat[data-d="plumbing"],body[data-dept="plumbing"] .cat[data-d="electrical"]{opacity:.35;filter:grayscale(.8)}
.cat{transition:opacity .6s,filter .6s}

/* ---------- statement ---------- */
.statement{background:var(--ink);color:#fff;padding:clamp(90px,14vw,190px) var(--pad)}
.st-text{max-width:1200px;margin:0 auto;font-family:var(--display);font-weight:750;font-stretch:108%;font-variation-settings:"wdth" 108;font-size:clamp(28px,4.4vw,66px);line-height:1.08;letter-spacing:-.02em}
.st-text .w{opacity:.14;transition:opacity .2s}
.st-text em{font-style:normal}
.st-text em.r .w.lit{color:var(--red-l)}
.st-text em.b .w.lit{color:var(--blue-l)}
.st-text .w.lit{opacity:1}

/* ---------- exploded ---------- */
.inside{position:relative;background:var(--ink2);color:#fff}
.inside-pin{position:relative;min-height:100svh;display:grid;grid-template-columns:minmax(320px,.9fr) 1.1fr;align-items:center;gap:clamp(20px,4vw,60px);padding:90px var(--pad) 50px;overflow:hidden}
.inside .eyebrow{color:var(--mute-d)}
.inside .eyebrow span{background:#fff;color:var(--ink)}
.inside .h2{font-size:clamp(32px,4.4vw,64px)}
.inside-lede{color:#c4c9de;max-width:420px;margin:18px 0 22px}
.ex-tabs{display:inline-flex;padding:4px;gap:4px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid var(--line-d);margin-bottom:22px}
.ex-tabs button{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:9px;font-size:14px;font-weight:700;color:#aeb4cc;transition:background .3s,color .3s}
.ex-tabs svg{width:14px;height:14px;fill:currentColor}
.ex-tabs button[aria-selected="true"]{color:#fff;background:var(--red)}
.ex-tabs button[data-ex="p"][aria-selected="true"]{background:var(--blue)}
.ex-list{list-style:none;margin:0 0 24px;padding:0;counter-reset:ex;display:grid;gap:2px}
.ex-list li{counter-increment:ex;display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--line-d);color:#7d84a0;transition:color .4s}
.ex-list li::before{content:counter(ex,decimal-leading-zero);font-family:var(--mono);font-size:11px}
.ex-list li b{font-weight:600}
.ex-list li span{font-family:var(--mono);font-size:13px}
.ex-list li.on{color:#fff}
.ex-list li.on::before{color:var(--exc,var(--red))}
.inside[data-kit="p"]{--exc:var(--blue-l)}
.ex-buy{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.ex-buy p{margin:0;display:flex;align-items:baseline;gap:10px}
.ex-buy small{font-size:12px;color:var(--mute-d);font-family:var(--mono);text-transform:uppercase;letter-spacing:.1em}
.ex-buy b{font-family:var(--display);font-weight:850;font-size:30px;font-stretch:115%;font-variation-settings:"wdth" 115}
.ex-buy s{color:var(--mute-d);font-size:14px}
.inside-stage{position:relative;height:min(78svh,720px);display:grid;place-items:center;perspective:1800px}
.ex-grid{position:absolute;width:150%;height:150%;left:-25%;top:-25%;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:40px 40px;transform:rotateX(60deg) rotateZ(-40deg) translateZ(-60px);-webkit-mask-image:radial-gradient(closest-side,#000 30%,transparent);mask-image:radial-gradient(closest-side,#000 30%,transparent)}
.iso{position:absolute;width:300px;height:300px;transform-style:preserve-3d;transform:rotateX(60deg) rotateZ(-40deg) translateY(40px);transition:opacity .5s}
.iso-p{opacity:0;pointer-events:none}
.inside[data-kit="p"] .iso-e{opacity:0}
.inside[data-kit="p"] .iso-p{opacity:1}
.lay{position:absolute;inset:0;display:grid;place-items:center;transform-style:preserve-3d}
.lay span{position:relative;display:block;transform-style:preserve-3d}
.lay span::after{content:"";position:absolute;inset:0;border-radius:inherit;background:rgba(0,0,0,.45);transform:translateZ(-7px);filter:blur(.5px)}
.lay svg{width:100%;height:100%;fill:none;stroke-width:7;stroke-linecap:round}
.lay em{position:absolute;left:4px;top:50%;width:26px;height:26px;margin-top:-13px;border-radius:50%;display:grid;place-items:center;font-style:normal;font-family:var(--mono);font-size:12px;font-weight:600;background:#fff;color:var(--ink);transform:rotateZ(40deg) rotateX(-60deg);box-shadow:0 4px 12px rgba(0,0,0,.4);transition:background .3s,color .3s}
.lay.on em{background:var(--exc,var(--red));color:#fff}
/* electrical layers */
.l-box span{width:132px;height:196px;border-radius:12px;background:linear-gradient(135deg,#3a4566,#232b45);box-shadow:inset 0 0 0 10px #2d3654,inset 0 0 0 11px rgba(255,255,255,.15)}
.l-box span::before{content:"";position:absolute;left:50%;top:14px;width:22px;height:22px;margin-left:-11px;border-radius:50%;background:#151a2c;box-shadow:0 146px 0 #151a2c}
.l-mech span{width:84px;height:140px;border-radius:10px;background:linear-gradient(160deg,#2b2b2e,#111)}
.l-mech i{position:absolute;left:50%;top:50%;width:84px;height:140px;margin:-70px 0 0 -42px;background:radial-gradient(circle at 14px 30px,#e2b04a 7px,transparent 8px),radial-gradient(circle at 70px 30px,#e2b04a 7px,transparent 8px),radial-gradient(circle at 14px 110px,#d7d7d7 7px,transparent 8px),radial-gradient(circle at 70px 110px,#3aa84a 7px,transparent 8px);transform:translateZ(1px)}
.l-frame span{width:104px;height:226px;border-radius:8px;border:16px solid #b9c0cc;border-left-width:22px;border-right-width:22px;background:transparent;box-shadow:inset 0 0 0 1px rgba(255,255,255,.6)}
.l-frame span::after{background:transparent;border:16px solid #5a606b;border-left-width:22px;border-right-width:22px;inset:-16px -22px}
.l-rocker span{width:64px;height:112px;border-radius:10px;background:linear-gradient(180deg,#ffffff 0 50%,#f0f0f0 50%);box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
.l-rocker span::before{content:"";position:absolute;left:50%;top:12px;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:var(--red);box-shadow:0 0 10px var(--red)}
.l-plate span{width:150px;height:226px;border-radius:14px;border:solid #f7f7f5;border-width:56px 42px;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.l-plate span::after{background:transparent;border:solid #9ea3ad;border-width:56px 42px;inset:-56px -42px}
/* plumbing layers */
.p-stubs svg{stroke-width:16}
.p-body span{width:120px;height:120px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#f5d08a,#b7862f 70%)}
.p-body span::before{content:"";position:absolute;inset:-26px 44px;border-radius:10px;background:linear-gradient(90deg,#c9963a,#e8c070,#c9963a)}
.p-cart span{width:70px;height:70px;border-radius:50%;background:radial-gradient(circle,#fff 0 30%,#d8deea 31% 60%,var(--blue) 61%)}
.p-sleeve span{width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,transparent 0 38px,#e9edf4 39px,#a4adbd 55px)}
.p-sleeve span::after{background:radial-gradient(circle,transparent 0 38px,#59606e 39px)}
.p-trim span{width:230px;height:230px;border-radius:50%;background:radial-gradient(circle,transparent 0 46px,#fbfcfe 47px,#c7cfdb 100%)}
.p-trim span::after{background:radial-gradient(circle,transparent 0 46px,#4b5160 47px)}
.p-lever span{width:44px;height:44px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#9aa3b3)}
.p-lever span::before{content:"";position:absolute;left:22px;top:11px;width:130px;height:22px;border-radius:11px;background:linear-gradient(180deg,#fff,#a8b0bf)}
.ex-readout{position:absolute;right:0;bottom:6px;margin:0;font-family:var(--mono);font-size:13px;color:var(--mute-d);text-align:right}
.ex-readout span{font-family:var(--display);font-weight:850;font-size:54px;color:#fff;font-stretch:115%;font-variation-settings:"wdth" 115;line-height:1}
.ex-readout small{display:block;font-size:12px;color:#c4c9de;margin-top:4px;max-width:260px;margin-left:auto}

/* ---------- shop ---------- */
.shop-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;max-width:none;flex-wrap:wrap}
.shop-head>div{max-width:900px}
.trade-toggle{display:flex;align-items:center;gap:12px;padding:10px 16px 10px 10px;border-radius:14px;background:var(--card);border:1px solid var(--line);cursor:pointer;user-select:none}
.trade-toggle input{position:absolute;opacity:0;pointer-events:none}
.tt-track{width:46px;height:28px;border-radius:14px;background:var(--paper2);position:relative;transition:background .3s}
.tt-track span{position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:transform .4s var(--ease)}
.trade-toggle input:checked+.tt-track{background:linear-gradient(100deg,var(--a1),var(--a2))}
.trade-toggle input:checked+.tt-track span{transform:translateX(18px)}
.trade-toggle input:focus-visible+.tt-track{outline:2px solid var(--a1);outline-offset:2px}
.tt-text b{display:block;font-size:14px}.tt-text small{color:var(--mute);font-size:12px}
.shop-bar{position:sticky;top:68px;z-index:20;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 0;margin-bottom:8px;background:var(--paper);transition:top .45s var(--ease)}
.nav.hide~main .shop-bar{top:0}
.filter-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px;margin:-2px;overscroll-behavior-x:contain}
.filter-chips::-webkit-scrollbar{display:none}
.filter-chips button{flex-shrink:0;height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:14px;font-weight:600;transition:background .3s,color .3s,border-color .3s}
.filter-chips button[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.filter-chips button small{font-family:var(--mono);font-size:11px;color:var(--mute);margin-left:4px}
.filter-chips button[aria-selected="true"] small{color:#aab}
.shop-controls{display:flex;align-items:center;gap:12px;flex-shrink:0}
.sel select{height:40px;padding:0 34px 0 14px;border-radius:10px;border:1px solid var(--line);background:var(--card) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' stroke='%230A0E1C' stroke-width='1.6' fill='none'/%3E%3C/svg%3E") no-repeat right 12px center/11px;appearance:none;-webkit-appearance:none;font-size:14px;font-weight:600}
.check{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap}
.check input{width:18px;height:18px;accent-color:var(--a1)}
.shop-count{font-family:var(--mono);font-size:12px;color:var(--mute);margin:4px 0 18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{position:relative;display:flex;flex-direction:column;background:var(--card);border-radius:var(--r);overflow:hidden;border:1px solid var(--line);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
@media (hover:hover){.card:hover{transform:translateY(-4px);box-shadow:0 30px 50px -30px rgba(10,14,28,.35)}}
.card-img{position:relative;aspect-ratio:4/3.4;background:var(--paper2);overflow:hidden;cursor:pointer;display:block;width:100%}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
@media (hover:hover){.card:hover .card-img img{transform:scale(1.06)}}
.card-img .ico-tile,.qv-img .ico-tile,.line-img .ico-tile,.kit-items .ico-tile{width:100%;height:100%;display:grid;place-items:center}
.ico-tile.e{background:radial-gradient(circle at 70% 20%,#ff6a5e,#b3121a 70%)}
.ico-tile.p{background:radial-gradient(circle at 70% 20%,#6e8bff,#1233c2 70%)}
.ico-tile svg{width:46%;height:46%;fill:none;stroke:#fff;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.card-dept{position:absolute;left:12px;top:12px;font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:4px 8px;border-radius:6px;color:#fff}
.card-dept.e{background:var(--red)}.card-dept.p{background:var(--blue)}
.card-badge{position:absolute;right:12px;top:12px;font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;background:#fff;color:var(--ink)}
.card-badge.hot{background:#FFE14D}
.card-body{display:flex;flex-direction:column;gap:6px;padding:16px 16px 14px;flex:1}
.card-spec{font-family:var(--mono);font-size:11px;color:var(--mute);letter-spacing:.02em}
.card-name{font-weight:700;font-size:16px;line-height:1.25;margin:0}
.card-name button{text-align:left}
.card-stock{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:#1f8a4c}
.card-stock::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.card-stock.low{color:#c77700}.card-stock.out{color:var(--mute)}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px}
.price{font-family:var(--display);font-weight:800;font-stretch:110%;font-variation-settings:"wdth" 110;font-size:21px;line-height:1}
.price small{font-family:var(--body);font-weight:600;font-size:11px;color:var(--mute);margin-right:2px}
.price s{display:block;font-family:var(--body);font-weight:500;font-size:12px;color:var(--mute);margin-top:3px}
.add{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--ink);color:#fff;transition:background .3s,transform .3s var(--ease);flex-shrink:0}
.add svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
@media (hover:hover){.add:hover{background:var(--a1)}}
.add:active{transform:scale(.9)}
.add.done{background:#1f8a4c}
.add[disabled]{background:var(--paper2);color:var(--mute);cursor:not-allowed}
.card.out .card-img img{filter:grayscale(1);opacity:.6}
.notify{font-size:12px;font-weight:700;color:var(--a1);text-decoration:underline;text-underline-offset:3px}
.shop-empty{text-align:center;padding:60px 0}
.trade-on .price{color:var(--a1)}

/* ---------- kits ---------- */
.kits{background:var(--ink);color:#fff;overflow:hidden}
.kits-pin{height:100svh;display:flex;align-items:center;gap:clamp(30px,4vw,60px);padding:80px 0 40px var(--pad)}
.kits-head{flex:0 0 min(380px,32vw)}
.kits .eyebrow{color:var(--mute-d)}.kits .eyebrow span{background:#fff;color:var(--ink)}
.kits-lede{color:#c4c9de;margin:18px 0 26px}
.kits-prog{height:3px;border-radius:3px;background:rgba(255,255,255,.12);overflow:hidden}
.kits-prog i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--red),var(--blue));transform-origin:left;transform:scaleX(0)}
.kits-track{display:flex;gap:18px;will-change:transform;padding-right:var(--pad)}
.kit{position:relative;flex:0 0 clamp(300px,30vw,440px);height:min(72svh,640px);border-radius:22px;overflow:hidden;background:var(--ink3);display:flex;flex-direction:column;border:1px solid var(--line-d)}
.kit-photo{position:relative;flex:0 0 44%;overflow:hidden}
.kit-photo img{width:100%;height:100%;object-fit:cover;transform:scale(1.1)}
.kit-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,var(--ink3),transparent 60%)}
.kit-no{position:absolute;left:18px;top:16px;z-index:1;font-family:var(--mono);font-size:12px;padding:5px 9px;border-radius:6px;background:rgba(10,14,28,.6);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.kit-body{display:flex;flex-direction:column;flex:1;padding:4px 22px 22px;min-height:0}
.kit h3{font-family:var(--display);font-weight:850;font-stretch:118%;font-variation-settings:"wdth" 118;text-transform:uppercase;font-size:clamp(22px,2.2vw,30px);line-height:1;margin:0 0 6px}
.kit-for{font-size:14px;color:#aeb4cc;margin:0 0 14px}
.kit-items{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px;overflow:auto;min-height:0}
.kit-items li{display:flex;align-items:center;gap:10px}
.kit-items .ki{width:34px;height:34px;border-radius:8px;overflow:hidden;flex-shrink:0;background:#222}
.kit-items .ki img{width:100%;height:100%;object-fit:cover}
.kit-items .q{margin-left:auto;font-family:var(--mono);font-size:12px;color:#aeb4cc}
.kit-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line-d)}
.kit-foot .price{font-size:26px}
.kit-foot .price s{color:#8b92ad}
.kit.e{box-shadow:inset 0 3px 0 var(--red)}.kit.p{box-shadow:inset 0 3px 0 var(--blue)}
.kit.e .btn{background:var(--red);box-shadow:none}.kit.p .btn{background:var(--blue);box-shadow:none}
.kit .btn{color:#fff;height:46px;padding:0 18px}

/* ---------- spec desk ---------- */
.spec{background:var(--paper2)}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.calc{background:var(--card);border-radius:22px;padding:clamp(20px,2.6vw,32px);display:flex;flex-direction:column;gap:18px;border:1px solid var(--line);position:relative;overflow:hidden}
.calc::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--red)}
.calc-p::before{background:var(--blue)}
.calc header{display:flex;gap:14px;align-items:center}
.calc-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--red);flex-shrink:0}
.calc-p .calc-ico{background:var(--blue)}
.calc-ico svg{width:22px;height:22px;fill:#fff}
.calc h3{font-family:var(--display);font-weight:850;font-stretch:115%;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:24px;line-height:1;margin:0}
.calc header p{margin:4px 0 0;color:var(--mute);font-size:14px}
.fld{display:flex;flex-direction:column;gap:8px}
.fld>span{display:flex;justify-content:space-between;font-size:14px;font-weight:600}
.fld output{font-family:var(--mono);font-weight:600}
.fld select,.fld input:not([type=range]){height:50px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--paper);font-size:16px;width:100%}
.fld select{appearance:none;-webkit-appearance:none;background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' stroke='%230A0E1C' stroke-width='1.6' fill='none'/%3E%3C/svg%3E") no-repeat right 14px center/11px}
.fld input:focus,.fld select:focus{outline:2px solid var(--a1);outline-offset:1px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:30px;background:transparent;touch-action:pan-y}
input[type=range]::-webkit-slider-runnable-track{height:6px;border-radius:3px;background:linear-gradient(90deg,var(--tc,var(--red)) var(--pct,50%),var(--paper2) var(--pct,50%))}
input[type=range]::-moz-range-track{height:6px;border-radius:3px;background:linear-gradient(90deg,var(--tc,var(--red)) var(--pct,50%),var(--paper2) var(--pct,50%))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-10px;border-radius:50%;background:#fff;border:2px solid var(--tc,var(--red));box-shadow:0 4px 10px rgba(0,0,0,.2)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid var(--tc,var(--red))}
.calc-p input[type=range]{--tc:var(--blue)}
.seg{display:flex;padding:4px;gap:4px;border-radius:12px;background:var(--paper)}
.seg button{flex:1;height:40px;border-radius:9px;font-weight:700;font-size:14px;color:var(--mute);transition:background .3s,color .3s}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.calc-e .seg button[aria-pressed="true"]{background:var(--red)}
.calc-p .seg button[aria-pressed="true"]{background:var(--blue)}
.calc-out{display:grid;grid-template-columns:auto auto 1fr;gap:16px;align-items:end;padding:18px;border-radius:16px;background:var(--ink);color:#fff}
.co-big small{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute-d)}
.co-big b{font-family:var(--display);font-weight:900;font-stretch:118%;font-variation-settings:"wdth" 118;font-size:54px;line-height:.9;display:inline-block;min-width:1ch}
.co-big span{font-family:var(--mono);font-size:13px;margin-left:4px;color:#c4c9de}
.co-meter small{font-size:12px;color:#c4c9de}
.co-meter small b{font-family:var(--mono);color:#fff}
.vd-bar{position:relative;height:8px;border-radius:4px;background:rgba(255,255,255,.12);margin:8px 0;overflow:visible}
.vd-bar i{position:absolute;left:0;top:0;bottom:0;border-radius:4px;background:#3ddc84;transition:width .5s var(--ease),background .3s}
.vd-bar i.warn{background:#ffb020}
.vd-limit{position:absolute;left:60%;top:-4px;bottom:-4px;width:2px;background:#fff}
.co-meter p,.co-note{margin:0;font-size:12px;color:#c4c9de}
.calc-p .calc-out{grid-template-columns:auto auto auto 1fr}
.co-note{grid-column:1/-1}
.tank-viz{width:56px;height:76px;display:flex;align-items:flex-end}
.tank-body{position:relative;width:100%;border-radius:10px 10px 6px 6px;border:2px solid rgba(255,255,255,.6);overflow:hidden;height:var(--th,60%);transition:height .5s var(--ease)}
.tank-body i{position:absolute;left:0;right:0;bottom:0;height:80%;background:linear-gradient(var(--blue-l),var(--blue));animation:slosh 3s ease-in-out infinite}
@keyframes slosh{50%{height:72%}}
.fine{font-size:13px;color:var(--mute);margin:18px 0 0}

/* ---------- delivery ---------- */
.deliver{background:var(--ink);color:#fff;overflow:hidden}
.dl-pin{min-height:100svh;padding:90px var(--pad) 60px;display:flex;flex-direction:column;justify-content:center}
.deliver .eyebrow{color:var(--mute-d)}.deliver .eyebrow span{background:#fff;color:var(--ink)}
.road{position:relative;height:clamp(140px,18vw,220px);margin:clamp(30px,5vw,60px) 0 0}
.road-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.road-svg path{fill:none;stroke-linecap:round}
.road-base{stroke:rgba(255,255,255,.12);stroke-width:14}
.road-live{stroke:var(--red);stroke-width:4;transition:stroke .4s}
.truck{position:absolute;left:0;top:0;width:clamp(48px,5vw,64px);transform:translate(-50%,-70%);filter:drop-shadow(0 8px 14px rgba(0,0,0,.5))}
.stops{position:relative;list-style:none;margin:10px 0 0;padding:0;height:70px}
.stops li{position:absolute;left:var(--x);transform:translateX(-50%);text-align:center;opacity:.35;transition:opacity .4s}
.stops li:first-child{transform:none;text-align:left}
.stops li:last-child{transform:translateX(-100%);text-align:right}
.stops li.on{opacity:1}
.stops b{display:block;font-family:var(--display);font-weight:800;font-stretch:110%;font-variation-settings:"wdth" 110;font-size:clamp(14px,1.5vw,20px);text-transform:uppercase}
.stops span{font-family:var(--mono);font-size:11px;color:var(--mute-d);white-space:nowrap}
.dl-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(40px,6vw,80px);background:var(--line-d);border:1px solid var(--line-d);border-radius:18px;overflow:hidden}
.dl-stats p{margin:0;padding:24px;background:var(--ink)}
.dl-stats b{display:block;font-family:var(--display);font-weight:900;font-stretch:118%;font-variation-settings:"wdth" 118;font-size:clamp(34px,4vw,60px);line-height:1;background:linear-gradient(100deg,#fff 40%,var(--a1));-webkit-background-clip:text;background-clip:text;color:transparent}
.dl-stats span{font-size:13px;color:var(--mute-d)}

/* ---------- trade ---------- */
.trade-card{display:grid;grid-template-columns:1fr 1.1fr;border-radius:26px;overflow:hidden;background:var(--card);border:1px solid var(--line)}
.trade-photo{position:relative;min-height:420px;overflow:hidden}
.trade-photo img{position:absolute;inset:0;width:100%;height:120%;object-fit:cover}
.trade-body{padding:clamp(24px,4vw,56px)}
.trade-body .h2{font-size:clamp(30px,3.8vw,56px)}
.ticks{list-style:none;padding:0;margin:24px 0;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:6px;background:var(--a1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m6 12 4 4 8-9' stroke='white' stroke-width='3' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/14px no-repeat;transition:background-color .6s}
.trade-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.trade-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600}
.trade-form label:first-child{grid-column:1/-1}
.trade-form input,.trade-form select{height:50px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--paper);font-size:16px}
.trade-form input[aria-invalid="true"]{border-color:var(--red);background:#fff1f0}
.trade-form .btn{grid-column:1/-1}
.form-msg{grid-column:1/-1;margin:0;font-size:14px;font-weight:600;min-height:1.4em}

/* ---------- reviews ---------- */
.reviews{background:linear-gradient(100deg,var(--red),var(--blue));padding:clamp(40px,6vw,70px) 0;overflow:hidden;color:#fff}
.rv-track{display:flex;gap:16px;width:max-content;animation:tick 60s linear infinite}
.reviews:hover .rv-track{animation-play-state:paused}
.rv-track figure{margin:0;width:min(78vw,380px);padding:22px;border-radius:18px;background:rgba(10,14,28,.28);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2)}
.rv-track blockquote{margin:0 0 14px;font-size:17px;line-height:1.45;font-weight:500}
.rv-track figcaption{font-size:13px;color:rgba(255,255,255,.8)}
.rv-track figcaption b{display:block;color:#fff}

/* ---------- faq ---------- */
.faq-list{max-width:900px;display:grid;gap:10px}
.faq details{background:var(--card);border-radius:16px;border:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 22px;font-weight:700;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{position:relative;width:16px;height:16px;flex-shrink:0}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:0;top:7px;width:16px;height:2px;background:currentColor;transition:transform .4s var(--ease)}
.faq summary i::after{transform:rotate(90deg)}
.faq details[open] summary i::after{transform:rotate(0)}
.faq details p{margin:0;padding:0 22px 22px;color:var(--mute)}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:#c4c9de;padding:clamp(60px,8vw,100px) var(--pad) 40px;overflow:hidden}
.foot-big{display:flex;font-family:var(--display);font-weight:900;font-stretch:125%;font-variation-settings:"wdth" 125;font-size:clamp(48px,12.6vw,240px);line-height:.8;letter-spacing:-.04em;margin-bottom:clamp(40px,6vw,80px)}
.fr{color:var(--red)}.fb{color:var(--blue)}
.foot-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;font-size:14px}
.foot-cols b{display:block;color:#fff;margin-bottom:10px}
.foot-cols a{display:block;padding:3px 0}
.foot-cols p{margin:0}
@media (hover:hover){.foot-cols a:hover{color:#fff}}
.foot-note{margin:40px 0 0;padding-top:20px;border-top:1px solid var(--line-d);font-size:12px;color:var(--mute-d);max-width:820px}

/* ---------- ribbon + dock ---------- */
.pd-ribbon{position:fixed;left:16px;bottom:16px;z-index:50;background:#fff;color:var(--ink);font-size:12px;padding:10px 14px;border-radius:999px;box-shadow:0 12px 30px -10px rgba(0,0,0,.45);transition:transform .4s var(--ease);border:1px solid var(--line)}
.pd-ribbon b{color:var(--red)}
@media (hover:hover){.pd-ribbon:hover{transform:translateY(-3px)}}
.dock{display:none}

/* ---------- search overlay ---------- */
.search-ov{position:fixed;inset:0;z-index:120;background:rgba(10,14,28,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;justify-content:center;align-items:flex-start;padding:10vh 16px 16px}
.search-ov[hidden]{display:none}
.so-card{width:100%;max-width:640px;background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(0,0,0,.6);animation:pop .45s var(--ease)}
.so-bar{display:flex;align-items:center;gap:12px;padding:0 14px 0 20px;height:64px;border-bottom:1px solid var(--line)}
.so-bar svg{width:22px;height:22px;fill:none;stroke:var(--mute);stroke-width:2;stroke-linecap:round}
.so-bar input{flex:1;min-width:0;border:0;outline:0;font-size:18px;height:100%}
.so-x{font-family:var(--mono);font-size:11px;padding:6px 8px;border-radius:6px;background:var(--paper)}
.so-results{list-style:none;margin:0;padding:8px;max-height:56vh;overflow:auto}
.so-results:empty{display:none}
.so-results button{display:flex;align-items:center;gap:12px;width:100%;padding:10px;border-radius:12px;text-align:left}
.so-results button:hover,.so-results button:focus-visible{background:var(--paper)}
.so-results img,.so-results .mini-ico{width:48px;height:48px;border-radius:10px;object-fit:cover;flex-shrink:0}
.so-results b{display:block;font-size:15px}.so-results small{font-size:12px;color:var(--mute)}
.so-results .pr{margin-left:auto;font-family:var(--mono);font-weight:600;font-size:14px}
.so-results .none{padding:20px;color:var(--mute);text-align:center}
.so-hint{margin:0;padding:12px 20px 16px;font-size:13px;color:var(--mute);border-top:1px solid var(--line)}
.so-hint button{font-weight:700;color:var(--ink);padding:4px 8px;border-radius:6px;background:var(--paper);margin:0 2px}
mark{background:#FFE14D;color:inherit;border-radius:3px;padding:0 1px}
.mini-ico{display:grid;place-items:center}
.mini-ico svg{width:60%;height:60%;fill:none;stroke:#fff;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- cart ---------- */
.scrim{position:fixed;inset:0;z-index:100;background:rgba(10,14,28,.5);opacity:0;transition:opacity .4s}
.scrim.on{opacity:1}
.cart{position:fixed;top:0;right:0;bottom:0;z-index:110;width:min(440px,100%);background:var(--paper);display:flex;flex-direction:column;transform:translateX(100%);transition:transform .55s var(--ease);visibility:hidden}
.cart.on{transform:none;visibility:visible}
.cart-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}
.cart-head h3{margin:0;font-family:var(--display);font-weight:850;font-stretch:115%;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:22px}
.cart-head h3 span{font-family:var(--mono);font-size:13px;color:var(--mute);font-weight:400}
.x{width:42px;height:42px;border-radius:12px;font-size:28px;line-height:1;display:grid;place-items:center}
@media (hover:hover){.x:hover{background:rgba(10,14,28,.07)}}
.free-meter{padding:14px 20px;border-bottom:1px solid var(--line)}
.free-meter p{margin:0 0 8px;font-size:13px;font-weight:600}
.fm-bar{height:6px;border-radius:3px;background:var(--paper2);overflow:hidden}
.fm-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--red),var(--blue));transition:width .6s var(--ease)}
.cart-lines{list-style:none;margin:0;padding:8px 20px;overflow:auto;flex:1;overscroll-behavior:contain}
.cart-lines li{display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.line-img{width:64px;height:64px;border-radius:12px;overflow:hidden;background:var(--paper2)}
.line-img img{width:100%;height:100%;object-fit:cover}
.line-name{font-weight:700;font-size:14px;line-height:1.25;margin:0}
.line-meta{font-size:12px;color:var(--mute);margin:2px 0 6px}
.line-r{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.line-r .price{font-size:16px}
.rm{font-size:12px;color:var(--mute);text-decoration:underline;text-underline-offset:3px}
.stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:#fff;height:34px}
.stepper button{width:32px;height:100%;font-size:18px;font-weight:600}
.stepper button[disabled]{opacity:.3}
.stepper output{min-width:24px;text-align:center;font-family:var(--mono);font-size:14px;font-weight:600}
.cart-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--mute);padding:30px}
.cart-empty svg{width:48px;height:48px;fill:none;stroke:currentColor;stroke-width:1.4}
.cart-foot{padding:16px 20px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fff}
.totals{display:grid;grid-template-columns:1fr auto;gap:6px 12px;margin:0 0 14px;font-size:14px}
.totals dt{color:var(--mute)}.totals dd{margin:0;text-align:right;font-family:var(--mono);font-weight:600}
.totals .grand{font-family:var(--display);font-weight:850;font-size:22px;color:var(--ink);font-stretch:110%;font-variation-settings:"wdth" 110}
.totals .save{color:#1f8a4c}
.cart-small{margin:10px 0 0;font-size:12px;color:var(--mute);text-align:center}

/* ---------- modals ---------- */
.modal{position:fixed;inset:0;z-index:130;display:grid;place-items:center;padding:16px;background:rgba(10,14,28,.6);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.modal[hidden]{display:none}
.modal-card{position:relative;background:var(--paper);border-radius:24px;width:100%;max-height:calc(100svh - 32px);overflow:auto;animation:pop .5s var(--ease);overscroll-behavior:contain}
@keyframes pop{from{opacity:0;transform:translateY(24px) scale(.97)}}
.modal-x{position:absolute;right:10px;top:10px;z-index:3;background:rgba(255,255,255,.85)}
.qv-card{max-width:900px;display:grid;grid-template-columns:1fr 1fr}
.qv-img{min-height:100%;background:var(--paper2);aspect-ratio:1}
.qv-img img{width:100%;height:100%;object-fit:cover}
.qv-body{padding:clamp(22px,3vw,36px);display:flex;flex-direction:column;gap:10px}
.qv-cat{margin:0;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.qv-body h3{margin:0;font-family:var(--display);font-weight:850;font-stretch:112%;font-variation-settings:"wdth" 112;font-size:clamp(24px,2.6vw,32px);line-height:1;text-transform:uppercase}
.qv-price{margin:0}.qv-price .price{font-size:28px}
.qv-desc{margin:0;color:var(--mute)}
.qv-specs{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:6px 0;padding:14px;border-radius:12px;background:#fff;font-size:13px;border:1px solid var(--line)}
.qv-specs dt{font-family:var(--mono);font-size:11px;color:var(--mute);text-transform:uppercase;letter-spacing:.08em;padding-top:2px}
.qv-specs dd{margin:0;font-weight:600}
.qv-stock{margin:0;font-size:13px;font-weight:600}
.qv-buy{display:flex;gap:10px;align-items:center}
.qv-buy .stepper{height:50px;border-radius:12px}
.qv-buy .stepper button{width:42px}
.qv-buy .btn{flex:1}
.qv-with{margin-top:8px}
.qv-with p{margin:0 0 8px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--mute)}
.qv-with ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.qv-with li{display:flex;align-items:center;gap:10px;font-size:13px;padding:8px;border-radius:12px;background:#fff;border:1px solid var(--line)}
.qv-with .wi{width:40px;height:40px;border-radius:8px;overflow:hidden;flex-shrink:0}
.qv-with .wi img{width:100%;height:100%;object-fit:cover}
.qv-with li b{display:block}
.qv-with li button{margin-left:auto;font-weight:700;font-size:12px;padding:8px 10px;border-radius:8px;background:var(--ink);color:#fff}
.co-card{max-width:560px;padding:clamp(22px,3vw,34px)}
.co-title{margin:0 0 14px;font-family:var(--display);font-weight:850;font-stretch:115%;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:28px}
.co-steps{list-style:none;padding:0;margin:0 0 22px;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;counter-reset:s}
.co-steps li{counter-increment:s;font-size:12px;font-weight:700;color:var(--mute);padding-top:10px;border-top:3px solid var(--paper2);transition:color .3s,border-color .3s}
.co-steps li::before{content:counter(s) ". "}
.co-steps li.on{color:var(--ink);border-color:var(--a1)}
.co-pane{border:0;padding:0;margin:0;display:none;flex-direction:column;gap:14px}
.co-pane.on{display:flex;animation:pop .4s var(--ease)}
.co-pane input[aria-invalid="true"]{border-color:var(--red);background:#fff1f0}
.seg-wide button{height:44px}
.pay{display:grid;gap:10px}
.pay label{display:flex;align-items:center;gap:12px;padding:14px;border-radius:14px;border:1.5px solid var(--line);background:#fff;cursor:pointer;transition:border-color .3s}
.pay label:has(input:checked){border-color:var(--a1)}
.pay input{width:20px;height:20px;accent-color:var(--a1)}
.pay b{display:block;font-size:15px}.pay small{font-size:12px;color:var(--mute)}
.co-review{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px}
.co-review li{display:flex;justify-content:space-between;gap:12px}
.co-review li span:last-child{font-family:var(--mono)}
.co-review .who{padding:12px;border-radius:12px;background:#fff;border:1px solid var(--line);display:block;font-size:13px;color:var(--mute)}
.co-nav{display:flex;justify-content:space-between;gap:10px;margin-top:22px}
.co-nav [data-co-next]{margin-left:auto;min-width:160px}
.co-done{text-align:center;padding:10px 0}
.done-ico{width:72px;height:72px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(100deg,var(--red),var(--blue))}
.done-ico svg{width:34px;height:34px;fill:none;stroke:#fff;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:30;stroke-dashoffset:30;animation:draw .7s .2s var(--ease) forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.co-done h3{font-family:var(--display);font-weight:850;font-stretch:115%;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:26px;margin:0 0 8px}
.co-demo{font-size:13px;color:var(--mute);background:var(--paper2);padding:12px;border-radius:12px;margin:16px 0 20px}

/* ---------- toast ---------- */
.toast{position:fixed;left:50%;bottom:28px;z-index:150;transform:translate(-50%,30px);opacity:0;display:flex;align-items:center;gap:10px;background:var(--ink);color:#fff;padding:10px 12px 10px 16px;border-radius:14px;font-size:14px;font-weight:600;transition:all .5s var(--ease);pointer-events:none;max-width:calc(100% - 32px);box-shadow:0 20px 40px -14px rgba(0,0,0,.5)}
.toast.on{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.toast button{color:#fff;background:var(--a1);padding:7px 12px;border-radius:9px;font-size:13px;font-weight:700;white-space:nowrap}

/* ---------- fly-to-cart dot ---------- */
.fly{position:fixed;z-index:160;width:18px;height:18px;border-radius:50%;background:var(--a1);pointer-events:none;box-shadow:0 0 0 4px rgba(255,255,255,.6)}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1100px){
  .nav-links{display:none}
}
@media (max-width:900px){
  .rail{display:none}
  .nav{gap:10px;height:62px}
  .brand-word small{display:none}
  .brand-word{font-size:16px}
  .shop-bar{top:62px}
  .hero-meta{display:none}
  .cat-grid{grid-template-columns:1fr 1fr;grid-auto-rows:190px;gap:10px}
  .cat-lg{grid-column:span 2;grid-row:span 1}
  .cat-tall{grid-row:span 2}
  .cat-wide{grid-column:span 2}
  .inside-pin{grid-template-columns:1fr;grid-template-rows:auto 1fr;padding:80px var(--pad) 24px;gap:0;align-content:start;height:100svh}
  .inside-copy{position:relative;z-index:2}
  .inside .h2{font-size:clamp(28px,8vw,44px)}
  .inside-lede{display:none}
  .ex-list{display:none}
  .ex-tabs{margin-bottom:12px}
  .inside-stage{height:100%;min-height:320px}
  .iso{width:220px;height:220px;transform:rotateX(60deg) rotateZ(-40deg) scale(.8)}
  .ex-readout{left:0;right:0;text-align:left;top:8px;bottom:auto}
  .iso{margin-top:60px}
  .pd-ribbon.tuck{transform:translateY(160%);opacity:0;pointer-events:none}
  .pd-ribbon{transition:transform .5s var(--ease),opacity .4s}
  .ex-readout small{margin-left:0}
  .ex-readout span{font-size:40px}
  .ex-buy{margin-top:4px}
  .ex-buy b{font-size:24px}
  .kits-pin{height:auto;flex-direction:column;align-items:stretch;padding:80px 0 60px}
  .kits-head{flex:none;padding:0 var(--pad)}
  .kits-prog{display:none}
  .kits-track{overflow-x:auto;scroll-snap-type:x mandatory;padding:0 var(--pad) 10px;scroll-padding:0 var(--pad);scrollbar-width:none;overscroll-behavior-x:contain}
  .kits-track::-webkit-scrollbar{display:none}
  .kit{flex:0 0 min(84vw,380px);height:auto;min-height:540px;scroll-snap-align:start}
  .kit-items{overflow:visible}
  .spec-grid{grid-template-columns:1fr}
  .dl-stats{grid-template-columns:1fr 1fr}
  .stops{height:auto;display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .stops li,.stops li:first-child,.stops li:last-child{position:static;transform:none;text-align:left}
  .trade-card{grid-template-columns:1fr}
  .trade-photo{min-height:240px}
  .foot-cols{grid-template-columns:1fr 1fr}
  .qv-card{grid-template-columns:1fr}
  .qv-img{aspect-ratio:16/11}
  .dock{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:55;display:grid;grid-template-columns:repeat(4,1fr);height:62px;border-radius:18px;background:rgba(10,14,28,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:#c6cbe0;border:1px solid var(--line-d);box-shadow:0 20px 40px -14px rgba(0,0,0,.5)}
  .dock a,.dock button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;font-weight:600}
  .dock .cart-count{top:6px;right:calc(50% - 22px)}
  .pd-ribbon{bottom:calc(84px + env(safe-area-inset-bottom));left:10px;font-size:11px;padding:8px 12px}
  .toast{bottom:calc(132px + env(safe-area-inset-bottom))}
  .foot{padding-bottom:160px}
  .nav-tools .cart-btn{display:none}
}
@media (max-width:640px){
  .dept button{padding:0 10px;height:32px;font-size:12px}
  .dept button span{display:none}
  .dept button[data-dept-btn="all"] span{display:inline}
  .dept button svg{width:15px;height:15px}
  .dept-pill{height:32px}
  .brand-word{display:none}
  .nav-tools .icon-btn{width:40px}
  .hero{padding-bottom:40px}
  .hero-side figcaption{top:16px;font-size:0}
  .hero-side figcaption .tag{font-size:10px;margin:0}
  .hero-search{height:56px;padding:5px 5px 5px 14px}
  .hero-search .btn{height:46px;padding:0 16px}
  .hero-quick{flex-wrap:nowrap;overflow-x:auto;margin:16px calc(var(--pad)*-1) 0;padding:0 var(--pad);scrollbar-width:none}
  .hero-quick::-webkit-scrollbar{display:none}
  .hero-quick .chip{flex-shrink:0}
  .scroll-cue{display:none}
  .shop-bar{flex-direction:column;align-items:stretch;gap:10px;margin:0 calc(var(--pad)*-1);padding:10px var(--pad)}
  .filter-chips{margin:0 calc(var(--pad)*-1);padding:2px var(--pad)}
  .shop-controls{justify-content:space-between}
  .grid{grid-template-columns:1fr 1fr;gap:10px}
  .card-body{padding:12px 12px 12px;gap:4px}
  .card-name{font-size:14px}
  .card-spec{font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .price{font-size:18px}
  .add{width:40px;height:40px;border-radius:11px}
  .card-dept{left:8px;top:8px;font-size:9px}
  .card-badge{right:8px;top:8px;font-size:10px}
  .trade-toggle{width:100%}
  .calc-out{grid-template-columns:1fr 1fr}
  .co-meter{grid-column:1/-1}
  .calc-p .calc-out{grid-template-columns:auto 1fr 1fr}
  .co-big b{font-size:46px}
  .trade-form{grid-template-columns:1fr}
  .dl-stats p{padding:18px}
  .cart{width:100%}
  .co-nav .btn{padding:0 18px}
  .co-nav [data-co-next]{min-width:0;flex:1}
}
@media (max-width:380px){
  .grid{grid-template-columns:1fr}
  .card{flex-direction:row}
  .card-img{aspect-ratio:auto;width:120px;flex-shrink:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .strip-track,.rv-track{animation:none}
}