/* ============================================================
   MODU ONE scroll narrative, v0.1 prototype
   Spec: ../../DESIGN-SCROLL-NARRATIVE.md
   8px grid. Poppins for type, JetBrains Mono for numerals only.
   Red is full fill on buttons only. No dark full bleed sections.
   ============================================================ */
:root{
  --red:#B4252B; --red-dk:#9a1f24;
  --grey-2:#D9D9D9; --grey:#F1F2F2;
  --ink:#1e1e1c; --ink-2:#55554f; --ink-3:#6d6d68;
  --blue:#415072; --line:#D9D9D9;
  --bg:#F1F2F2;              /* Light Grey, decided 2026-09-29 */
  --pad:40px;
  --nav-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:Poppins,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg); color:var(--ink);
  -webkit-font-smoothing:antialiased;
  font-size:16px; line-height:24px;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.num{font-family:"JetBrains Mono",ui-monospace,Menlo,monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:1440px;margin:0 auto;padding:0 var(--pad)}
.skip-link{position:absolute;top:-100px;left:0;z-index:999;background:var(--red);color:#fff;padding:12px 20px;font-weight:600}
.skip-link:focus{top:0}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ---------- 01 header ---------- */
nav{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--line);transition:border-color .24s cubic-bezier(.33,0,.12,1)}
nav.scrolled{border-bottom-color:#b3b3af}
.nav-in{max-width:1440px;margin:0 auto;padding:0 var(--pad);height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:40px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand img{display:block;height:40px;width:auto}
.nav-links{display:flex;gap:32px;font-size:14px;font-weight:500;white-space:nowrap}
.nav-cta{white-space:nowrap}
@media (max-width:1280px){.nav-links{gap:20px;font-size:13px}}
@media (max-width:1100px){.nav-links{display:none}}
.nav-links a{opacity:.72}
.nav-links a:hover{opacity:1}
.nav-cta{background:var(--red);color:#fff;padding:9px 16px;border-radius:4px;font-weight:500;font-size:13px;transition:background .12s}
.nav-cta:hover{background:var(--red-dk)}

/* ---------- 02 hero + 04 chapter I: one pinned scene ----------
   The hero is the first frame of the swap. At rest it is the published product
   photo; on the first scroll the photo hands over to a CAD frame rendered from a
   camera matched to it, the camera pulls back, the pipe grows out of both weld
   ends, and the swap plays. One object from the first screen to the swap. */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:4px;font-weight:500;font-size:15px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .12s,border-color .12s;min-height:48px}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-dk)}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--ink)}

.chapter{position:relative}
.track{position:relative;height:440vh}          /* 340vh usable + 100vh viewport */
.pin{position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));overflow:hidden}

.hero-copy{position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);width:min(560px,42vw);z-index:2}
.hero-copy h1{font-size:clamp(36px,4.6vw,64px);line-height:1.08;font-weight:600;letter-spacing:-.03em;margin-bottom:24px}
.hero-copy p{font-size:20px;line-height:32px;color:var(--ink-2);margin-bottom:32px;max-width:520px}
.side{position:absolute;left:var(--pad);top:50%;transform:translateY(-50%);width:320px;z-index:2}
html.js .side{opacity:0}

/* dimension rail, DOM text, left of the stage */
.rail{opacity:0}
.rail .lab{font-size:12px;line-height:16px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:8px}
.rail .val{font-size:56px;line-height:56px;font-weight:500;color:var(--ink)}
.rail .unit{font-size:16px;font-weight:400;color:var(--ink-2);margin-left:4px}
.rail .tol{font-size:12px;line-height:16px;color:var(--ink-3);margin-top:8px}
.rail .bar{margin-top:16px;width:200px;height:1px;background:var(--ink);position:relative}
.rail .bar::before,.rail .bar::after{content:"";position:absolute;top:-4px;width:1px;height:9px;background:var(--ink)}
.rail .bar::before{left:0}.rail .bar::after{right:0}

/* stage: covers the pin. Frames are 1920 x 1200, drawn "cover", centred.
   Everything placed on the stage (photo, dimension) uses the same transform. */
.stage{position:absolute;inset:0}
.stage-inner{position:absolute;inset:0}
.seq{position:absolute;inset:0;width:100%;height:100%;--m:1;
     -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,var(--m)) 0,rgba(0,0,0,var(--m)) 20%,#000 44%);
             mask-image:linear-gradient(90deg,rgba(0,0,0,var(--m)) 0,rgba(0,0,0,var(--m)) 20%,#000 44%)}   /* pipe fades out under the text column */
.hero-photo{position:absolute;max-width:none;z-index:1}
.dim{position:absolute;inset:0;width:100%;height:100%;overflow:visible;opacity:0;z-index:1}
.dim line{stroke:var(--ink);stroke-width:1;vector-effect:non-scaling-stroke}
.dim .tick{stroke-width:1.5}
.dim-lab{position:absolute;transform:translate(-50%,0);white-space:nowrap;font-size:14px;line-height:16px;color:var(--ink);background:var(--bg);padding:4px 8px;opacity:0;z-index:1}
.dim-lab .num{font-weight:500}
.stage-note{position:absolute;right:var(--pad);bottom:16px;max-width:560px;font-size:12px;line-height:16px;color:var(--ink-3);text-align:right;opacity:0}

/* steps: real sections. Captions when JS, stacked documents when not. */
html.js .steps{position:relative;min-height:216px;margin-top:48px}
html.js .steps .step{position:absolute;top:0;left:0;right:0;opacity:0}
html.js .steps figure{display:none}
.step h3{font-size:28px;line-height:36px;font-weight:500;letter-spacing:-.01em;margin-bottom:8px}
.step p{font-size:14px;line-height:24px;color:var(--ink-2)}
.step figure img{-webkit-mask-image:linear-gradient(90deg,transparent 0,#000 16%,#000 84%,transparent 100%);mask-image:linear-gradient(90deg,transparent 0,#000 16%,#000 84%,transparent 100%)}
.step figcaption{font-size:12px;line-height:16px;color:var(--ink-3);margin-top:8px}

/* no JavaScript: one column, the photo as the hero, the steps as documents */
html.no-js .track{height:auto}
html.no-js .pin{position:static;height:auto;overflow:visible;display:flex;flex-direction:column;gap:48px;padding:48px var(--pad)}
html.no-js .hero-copy,html.no-js .side{position:static;transform:none;width:auto;max-width:720px}
html.no-js .stage,html.no-js .stage-inner{position:static}
html.no-js .seq,html.no-js .dim,html.no-js .dim-lab,html.no-js .stage-note{display:none}
html.no-js .hero-photo{position:static;width:100%;max-width:720px}
html.no-js .rail{opacity:1;margin-bottom:32px}
html.no-js .step figure img{max-width:560px}
html.no-js .step{padding:48px 0;border-top:1px solid var(--line)}
html.no-js .step figure{margin-top:24px}

/* ---------- 11 differentiator grid ---------- */
.grid-sec{padding:128px 0;background:var(--bg);border-top:1px solid var(--line)}
.eyebrow{font-size:12px;line-height:16px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.grid-sec h2{font-size:clamp(32px,3.4vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.02em;margin-bottom:64px;max-width:640px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.col{padding-right:32px;border-right:1px solid var(--line)}
.col:last-child{border-right:0;padding-right:0}
.col h4{font-size:24px;line-height:32px;font-weight:500;margin-bottom:16px}
.col p{font-size:14px;line-height:24px;color:var(--ink-2)}

/* ---------- face to face across DN ---------- */
.f2f-sec{padding:128px 0;background:var(--bg);border-top:1px solid var(--line)}
.f2f-sec h2{font-size:clamp(32px,3.4vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.02em;margin-bottom:16px;max-width:720px}
.f2f-lede{font-size:18px;line-height:28px;color:var(--ink-2);margin-bottom:40px;max-width:640px}
.f2f-types{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:48px}
.f2f-types button{display:flex;flex-direction:column;padding:0;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--ink);cursor:pointer;font-family:inherit;text-align:left;overflow:hidden;transition:border-color .12s,background .12s,box-shadow .12s}
.f2f-types button:hover{border-color:var(--ink)}
.f2f-types img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;background:var(--grey-2);opacity:.85;transition:opacity .16s}
.f2f-types button:hover img,.f2f-types button[aria-pressed=true] img{opacity:1}
.f2f-types .tc{display:flex;flex-direction:column;gap:2px;padding:12px 16px 14px}
.f2f-types button .num{font-size:15px;font-weight:500}
.f2f-types .tn{font-size:13px;line-height:18px;color:var(--ink-3)}
.f2f-types button[aria-pressed=true]{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.f2f-types button[aria-pressed=true] .tc{background:var(--ink);color:#fff}
.f2f-types button[aria-pressed=true] .tn{color:#cfcfcb}
.f2f-head{display:flex;justify-content:space-between;align-items:baseline;gap:24px;flex-wrap:wrap;margin-bottom:24px;font-size:16px}
.f2f-head strong{font-weight:600}
.f2f-head #f2f-desc{color:var(--ink-3);margin-left:8px}
.f2f-read{font-size:20px}
.f2f-read #f2f-mm{font-weight:500;margin-left:8px}
.f2f-fig{margin:0}
.f2f-plot{position:relative;height:320px;margin:40px 0 0 40px;border-bottom:1px solid var(--ink)}
.f2f-unit{position:absolute;left:-40px;top:-40px;font-size:12px;color:var(--ink-3)}
.f2f-g{position:absolute;left:0;right:0;border-top:1px solid var(--line)}
.f2f-g span{position:absolute;left:-40px;top:-9px;font-size:12px;color:var(--ink-3)}
.f2f-cols{position:absolute;inset:0;display:flex}
.f2f-col{flex:1;display:flex;align-items:flex-end;justify-content:center;cursor:default;outline-offset:-2px}
.f2f-bar{position:relative;width:min(48px,60%);background:rgba(65,80,114,.45);border-radius:4px 4px 0 0;transition:background .16s,height .5s cubic-bezier(.33,0,.12,1)}
.f2f-col.on .f2f-bar{background:var(--blue)}
.f2f-val{position:absolute;left:50%;bottom:100%;transform:translate(-50%,-6px);font-size:13px;color:var(--ink-2);white-space:nowrap;transition:color .16s;background:var(--bg);padding:0 4px;line-height:16px}
.f2f-col.on .f2f-val{color:var(--ink);font-weight:500}
.f2f-x{display:flex;margin-left:40px;padding-top:8px}
.f2f-x span{flex:1;text-align:center;font-size:13px;color:var(--ink-2)}
.f2f-fig figcaption{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin:16px 0 0 40px;font-size:13px;line-height:20px;color:var(--ink-3)}
.f2f-fig.pulse .f2f-bar{animation:f2fpulse .6s cubic-bezier(.33,0,.12,1)}
@keyframes f2fpulse{0%{box-shadow:0 0 0 0 rgba(65,80,114,.0)}40%{box-shadow:0 0 0 3px rgba(65,80,114,.35)}100%{box-shadow:0 0 0 0 rgba(65,80,114,0)}}
@media (prefers-reduced-motion:reduce){.f2f-fig.pulse .f2f-bar{animation:none}.f2f-bar{transition:none}}
@media (max-width:860px){
  .f2f-sec{padding:80px 0}
  .f2f-types{grid-template-columns:repeat(3,1fr)}
  .f2f-types{gap:8px}
  .f2f-types .tc{padding:8px 10px 10px}
  .f2f-plot{height:240px;margin:40px 0 0 32px}
  .f2f-g span,.f2f-unit{left:-32px}
  .f2f-x,.f2f-fig figcaption{margin-left:32px}
  .f2f-x span{font-size:11px}
  .f2f-val{font-size:11px}
  .f2f-val .u{display:none}
  .f2f-head #f2f-desc{display:block;margin-left:0}
}

/* ---------- features ---------- */
.feat-sec,.dist-sec{padding:128px 0;background:var(--bg);border-top:1px solid var(--line)}
.feat-sec h2,.dist-sec h2,.partner-sec h2{font-size:clamp(32px,3.4vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.02em;margin-bottom:64px;max-width:720px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 32px}
.feat{border-top:1px solid var(--ink);padding-top:24px;display:flex;flex-direction:column}
.feat h3{font-size:20px;line-height:28px;font-weight:600;margin-bottom:12px}
.feat p{font-size:15px;line-height:24px;color:var(--ink-2);margin-bottom:16px;flex:1}
.feat a{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:14px;font-weight:500;align-self:flex-start}
.feat a::after{content:"\2192";color:var(--red)}
.feat a:hover{color:var(--red)}
.feat .fmt,.res-card .fmt{font-size:11px;letter-spacing:.08em;color:var(--ink-3);font-weight:400}

/* ---------- where to buy ---------- */
.dist-r{font-size:20px;line-height:28px;font-weight:600;padding-bottom:16px;border-bottom:1px solid var(--line);margin:56px 0 24px}
.dist-sec h2+.dist-r{margin-top:0}
.dist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dist{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px}
.dist-c{font-size:12px;line-height:16px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:8px}
.dist-id{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.dist-logo{flex:0 0 56px;height:56px;border-radius:6px;background:var(--grey);display:flex;align-items:center;justify-content:center}
.dist-logo img{width:40px;height:40px;object-fit:contain;border-radius:2px}
.dist h4{font-size:18px;line-height:26px;font-weight:600}
.dist ul{list-style:none;padding:0;margin:0;font-size:14px;line-height:22px;color:var(--ink-2)}
.dist li+li{margin-top:6px}
.dist a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;overflow-wrap:anywhere}
.dist a:hover{color:var(--ink);text-decoration-color:var(--ink)}
.dist .num{font-size:13px}

/* ---------- become a distributor ---------- */
.partner-sec{padding:96px 0;background:var(--bg);border-top:1px solid var(--line)}
.partner-in{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;flex-wrap:wrap}
.partner-sec h2{margin-bottom:16px}
.partner-sec p:not(.eyebrow){font-size:18px;line-height:28px;color:var(--ink-2);max-width:640px}
@media (max-width:1100px){.feat-grid,.dist-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){
  .feat-sec,.dist-sec{padding:80px 0}.partner-sec{padding:72px 0}
  .feat-grid,.dist-grid{grid-template-columns:1fr}
  .feat-sec h2,.dist-sec h2{margin-bottom:40px}
}

/* screen reader only */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 13 closing ---------- */
.close{padding:128px 0;text-align:center;background:var(--bg);border-top:1px solid var(--line)}
.close h2{font-size:clamp(36px,5vw,72px);line-height:1.06;font-weight:600;letter-spacing:-.03em;margin:0 auto 48px;max-width:880px}
.close p{font-size:20px;line-height:32px;color:var(--ink-2);margin:0 auto 48px;max-width:560px}
.close .actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
footer{padding:64px 0;border-top:1px solid var(--line);font-size:14px;color:var(--ink-3)}
footer .ft{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;line-height:24px}
footer .ft-links{display:flex;gap:24px;flex-wrap:wrap}
footer a:hover{color:var(--ink)}
.res-sec{padding:128px 0;background:var(--bg);border-top:1px solid var(--line)}
.res-sec h2{font-size:clamp(32px,3.4vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.02em;margin-bottom:64px;max-width:720px}
.res-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.res-card{border-top:1px solid var(--ink);padding-top:24px}
.res-card h3{font-size:20px;line-height:28px;font-weight:600;margin-bottom:16px}
.res-card h3 .sub{font-weight:400;color:var(--ink-3)}
.res-card ul{list-style:none;padding:0;margin:0}
.res-card li{border-bottom:1px solid var(--line)}
.res-card a{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:48px;padding:12px 0;font-size:15px}
.res-card a::after{content:"\2192";color:var(--red)}
.res-card a:hover{color:var(--red)}
.res-card .fmt{margin-left:auto}
@media (max-width:860px){.res-sec{padding:80px 0}.res-grid{grid-template-columns:1fr;gap:40px}}

/* ---------- mobile: tap-through stepper ---------- */
.stepper{display:none}
@media (max-width:860px){
  :root{--pad:20px;--nav-h:64px}
  .nav-links{display:none}
  .brand img{height:32px}
  html.js .rail .lab{width:100%}
  html.js .track{height:auto}
  html.js .pin{position:static;height:auto;overflow:visible;display:flex;flex-direction:column;gap:32px;padding:48px var(--pad)}
  html.js .hero-copy,html.js .side{position:static;transform:none;width:auto;opacity:1!important}
  html.js .stage{position:relative;inset:auto}
  html.js .stage-inner{position:relative;inset:auto;width:100%;aspect-ratio:1.6}
  html.js .hero-photo{display:none}
  html.js .seq{--m:1}
  html.js .stage-note{position:static;margin-top:8px;text-align:left;opacity:1}
  html.js .rail{opacity:1!important;margin-bottom:24px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
  html.js .rail .val{font-size:44px;line-height:48px}
  html.js .rail .bar{display:none}
  html.js .steps{min-height:0;margin-top:0}
  html.js .steps .step{position:static;opacity:1!important;display:none}
  html.js .steps .step.current{display:block}
  .stepper{display:flex;align-items:center;gap:16px;padding:24px var(--pad) 0}
  .stepper button{width:48px;height:48px;border:1px solid var(--line);background:#fff;border-radius:4px;font-size:18px;cursor:pointer}
  .stepper .dots{display:flex;gap:0}
  .stepper .dots a{width:28px;height:48px;display:flex;align-items:center;justify-content:center}
  .stepper .dots a::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grey-2)}
  .stepper .dots a[aria-current]::before{background:var(--ink)}
  .grid4{grid-template-columns:1fr;gap:48px}
  .col{border-right:0;padding-right:0}
}

/* ---------- reduced motion: static exploded diagram ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .track{height:auto}
  html.js .pin{position:static;height:auto;overflow:visible;display:flex;flex-direction:column;gap:48px;padding:48px var(--pad)}
  html.js .hero-copy,html.js .side{position:static;transform:none;width:auto;max-width:720px;opacity:1!important}
  html.js .stage,html.js .stage-inner{position:static;aspect-ratio:auto}
  html.js .seq,html.js .dim,html.js .dim-lab,html.js .stage-note{display:none}
  html.js .hero-photo{display:block;position:static;width:100%;max-width:720px;opacity:1!important}
  html.js .rail{opacity:1!important;margin-bottom:32px}
  html.js .steps{min-height:0;margin-top:0}
  html.js .steps .step{position:static;opacity:1!important;display:block!important;padding:32px 0;border-top:1px solid var(--line)}
  html.js .steps figure{display:block;margin-top:24px}
  html.js .steps figure img{max-width:720px}
  .stepper{display:none!important}
}


/* ---------- contact page ---------- */
.ct-hero{padding:120px 0 96px}
.ct-hero h1{font-size:clamp(44px,6vw,80px);line-height:1.05;font-weight:600;letter-spacing:-.03em;margin-bottom:24px}
.ct-hero p:not(.eyebrow){font-size:20px;line-height:32px;color:var(--ink-2);max-width:640px;margin-bottom:40px}
.actions{display:flex;gap:16px;flex-wrap:wrap}
.ct-sec{padding:96px 0;border-top:1px solid var(--line)}
.ct-sec h2{font-size:clamp(28px,3vw,36px);line-height:1.2;font-weight:600;letter-spacing:-.02em;margin-bottom:40px}
.dist .meta{font-size:13px;color:var(--ink-3)}
.dist .meta a{color:inherit}
.team-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.person{border-top:1px solid var(--ink);padding-top:20px}
.person h4{font-size:17px;line-height:24px;font-weight:600}
.person .role{font-size:14px;line-height:22px;color:var(--ink-3);margin-bottom:12px}
.person ul{list-style:none;padding:0;margin:0;font-size:14px;line-height:22px;color:var(--ink-2)}
.person li+li{margin-top:4px}
.person a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:3px;overflow-wrap:anywhere}
.person a:hover{color:var(--ink);text-decoration-color:var(--ink)}
.person .num{font-size:13px}
@media (max-width:1100px){.team-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.ct-hero{padding:72px 0 64px}.ct-sec{padding:64px 0}.team-grid{grid-template-columns:1fr}}
.dist > h4{margin-bottom:12px}

/* ---------- shared section headings for new sections ---------- */
.conn-sec,.acc-sec,.faq-sec,.letter-sec{padding:128px 0;background:var(--bg);border-top:1px solid var(--line)}
.conn-sec h2,.acc-sec h2,.faq-sec h2{font-size:clamp(32px,3.4vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.02em;margin-bottom:24px;max-width:760px}

/* ---------- supported connections ---------- */
.conn-lede{font-size:18px;line-height:28px;color:var(--ink-2);max-width:720px;margin-bottom:56px}
.e-head{display:flex;justify-content:space-between;font-size:12px;line-height:16px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding-bottom:12px}
.e-rows{border-top:1px solid var(--ink)}
.e-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:32px;padding:18px 0;border-bottom:1px solid var(--line)}
.e-row b{font-size:clamp(36px,5vw,72px);line-height:1.05;font-weight:600;letter-spacing:-.03em}
.e-dim{display:flex;align-items:center;gap:16px;font-size:20px;color:var(--ink)}
.e-dim i{display:block;width:clamp(80px,14vw,220px);height:12px;border-left:2px solid var(--ink);border-right:2px solid var(--ink);position:relative}
.e-dim i::after{content:"";position:absolute;left:0;right:0;top:5px;border-top:2px solid var(--ink)}

/* ---------- accessories ---------- */
.acc-sec h2{margin-bottom:56px}
.acc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.acc{background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;display:flex;flex-direction:column}
.acc img{width:100%;height:auto;aspect-ratio:1;object-fit:contain;background:#fff;padding:24px}
.acc-b{padding:0 24px 24px;display:flex;flex-direction:column;flex:1;border-top:1px solid var(--line);padding-top:20px}
.acc h3{font-size:20px;line-height:28px;font-weight:600;margin-bottom:8px}
.acc p{font-size:15px;line-height:24px;color:var(--ink-2);margin-bottom:16px;flex:1}
.acc-l{display:flex;gap:24px;flex-wrap:wrap}
.acc-l a{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:14px;font-weight:500}
.acc-l a::after{content:"\2192";color:var(--red)}
.acc-l a:hover{color:var(--red)}
.acc .fmt{font-size:11px;letter-spacing:.08em;color:var(--ink-3);font-weight:400}

/* ---------- FAQ ---------- */
.faq-in{display:grid;grid-template-columns:1fr 2fr;gap:64px}
.faq-more{font-size:16px;color:var(--ink-2)}
.faq-more a,.faq-a a{text-decoration:underline;text-underline-offset:3px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:64px;padding:16px 0;font-size:18px;line-height:26px;font-weight:500}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;line-height:1;color:var(--ink-3);flex:0 0 auto;transition:transform .16s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--red)}
.faq-a{padding:0 48px 24px 0;font-size:16px;line-height:26px;color:var(--ink-2)}

/* ---------- founder letter teaser ---------- */
.letter-in{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.letter-in img{width:100%;height:auto;border-radius:6px}
.letter-sec h2{font-size:clamp(32px,3.4vw,44px);line-height:1.15;font-weight:600;letter-spacing:-.02em;margin-bottom:16px}
.letter-sec p:not(.eyebrow){font-size:18px;line-height:28px;color:var(--ink-2);margin-bottom:32px;max-width:520px}

/* ---------- footer (shared, from tools/build.py) ---------- */
footer{padding:80px 0 48px}
.ft-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px;border-bottom:1px solid var(--line);margin-bottom:24px}
.ft-brand img{display:block;height:40px;width:auto;margin-bottom:16px}
.ft-brand p{font-size:14px;color:var(--ink-2)}
.ft-h{font-size:12px;line-height:16px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.ft-col ul{list-style:none;padding:0;margin:0}
.ft-col li{font-size:14px;line-height:22px}
.ft-col li+li{margin-top:8px}
.ft-col a:hover{color:var(--ink)}
.ft-base{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;font-size:13px;line-height:22px}

/* ---------- blog ---------- */
.post{padding:96px 0 128px}
.post-in{max-width:800px}
.post .eyebrow a{text-decoration:underline;text-underline-offset:3px}
.post h1{font-size:clamp(36px,4.6vw,56px);line-height:1.1;font-weight:600;letter-spacing:-.025em;margin-bottom:40px}
.post-hero{width:100%;height:auto;border-radius:6px;margin-bottom:48px}
.post-body{font-size:18px;line-height:30px;color:var(--ink-2)}
.post-body p{margin-bottom:20px}
.post-body h2{font-size:28px;line-height:36px;font-weight:600;color:var(--ink);margin:48px 0 16px}
.post-body h3{font-size:22px;line-height:30px;font-weight:600;color:var(--ink);margin:36px 0 12px}
.post-body ul,.post-body ol{margin:0 0 20px 24px}
.post-body li{margin-bottom:8px}
.post-body a{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.post-body img{width:100%;height:auto;border-radius:6px;margin:24px 0}
.post-body strong{color:var(--ink);font-weight:600}
.post-back{margin-top:56px;font-size:15px;font-weight:500}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}
.post-card{display:flex;flex-direction:column;gap:8px}
.post-card img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:6px;margin-bottom:8px;background:var(--grey-2)}
.post-card time{font-size:13px;color:var(--ink-3)}
.post-card h2{font-size:20px;line-height:28px;font-weight:600}
.post-card:hover h2{color:var(--red)}

@media (max-width:1100px){
  .acc-grid,.post-grid{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr 1fr}
  .ft-brand{grid-column:1 / -1}
}
@media (max-width:860px){
  .conn-sec,.acc-sec,.faq-sec,.letter-sec{padding:80px 0}
  .acc-grid,.post-grid{grid-template-columns:1fr}
  .faq-in,.letter-in{grid-template-columns:1fr;gap:32px}
  .faq-a{padding-right:0}
  .e-dim i{display:none}
  .e-dim{font-size:15px}
  .e-row{gap:16px;padding:14px 0}
  .post{padding:56px 0 80px}
  .post-body{font-size:17px;line-height:28px}
  .ft-grid{grid-template-columns:1fr 1fr}
}
.post-body table{width:100%;border-collapse:collapse;margin:8px 0 32px;font-size:15px;line-height:22px;display:block;overflow-x:auto}
.post-body th,.post-body td{text-align:left;vertical-align:top;padding:10px 16px 10px 0;border-bottom:1px solid var(--line);min-width:120px}
.post-body tr:first-child td,.post-body th{font-weight:600;color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- distributor maps (design D, tools/maps.py) ---------- */
.map-panels{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:72px}
.map-panel{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:border-color .12s}
.map-panel:hover{border-color:var(--ink)}
.map-panel svg{display:block;width:100%;height:auto;background:#fff}
.map-panel path.off{fill:#D9D9D9;stroke:#fff;stroke-width:.6}
.map-panel path.on{fill:#B4252B;stroke:#fff;stroke-width:.6;transition:fill .12s}
.map-panel path.on:hover{fill:#7f1a1e}
.map-t{font-size:18px;line-height:26px;font-weight:600;padding:16px 20px 8px;border-top:1px solid var(--line)}
.map-c{padding:0 20px;font-size:14px;line-height:22px;color:var(--ink-2)}
.map-more{margin-top:auto;padding:16px 20px 18px;font-size:14px;line-height:22px;font-weight:600;color:var(--ink)}
.map-panel:hover .map-more{color:#B4252B}
.map-tip{position:fixed;pointer-events:none;background:var(--ink);color:#fff;font-size:13px;line-height:18px;padding:8px 12px;border-radius:4px;opacity:0;transition:opacity .1s;z-index:60;white-space:nowrap}
@media (max-width:560px){.map-panels{grid-template-columns:1fr;margin-bottom:48px}}
.dist-r{scroll-margin-top:calc(var(--nav-h) + 24px)}
.col p a{text-decoration:underline;text-underline-offset:3px}

/* ---------- mobile and tablet menu (tools/build.py nav, assets/nav.js) ---------- */
.nav-toggle{display:none;width:48px;height:48px;border:1px solid var(--line);border-radius:4px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:0}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);transition:transform .16s}
.nav-toggle[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
.nav-menu{border-top:1px solid var(--line);background:var(--bg);padding:8px var(--pad) 24px;max-height:calc(100vh - var(--nav-h));overflow-y:auto}
.nav-menu a:not(.btn){display:flex;align-items:center;min-height:52px;font-size:18px;font-weight:500;border-bottom:1px solid var(--line)}
.nav-menu .btn{margin-top:24px;width:100%;justify-content:center}
@media (max-width:1100px){
  .nav-toggle{display:flex}
  .nav-in{gap:16px}
  .nav-cta{margin-left:auto}
}
@media (min-width:1101px){.nav-menu{display:none!important}}
@media (max-width:420px){.nav-cta{padding:9px 12px}}
html.menu-open{overflow:hidden}

/* ---------- mobile touch targets and sizes ---------- */
@media (max-width:860px){
  .post .eyebrow a,.post-back a{display:inline-flex;align-items:center;min-height:44px}
  .acc img{aspect-ratio:4/3;padding:16px}
}
.draft-bar{background:#ffd84d;color:var(--ink);font-size:14px;font-weight:600;padding:12px 16px;border-radius:4px;margin-bottom:24px}