/* ============================================================
   Veksler Instruments — design system
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root{
  --ultramarine:#001CA8;
  --ultramarine-press:#00148C;   /* 14.2:1 with white text */
  --ultramarine-wash:#E6E9F9;
  --ink:#0E1233;
  --ink-deep:#070A21;
  --paper:#FFFFFF;
  --mist:#EFF1F7;
  --mist-deep:#E3E7F1;
  --steel:#5C6483;
  --steel-light:#6B738E;      /* 4.7:1 on white */
  --line-strong:#858DA9;      /* 3.3:1 on white, control boundaries */
  --line-dark-strong:#5E6890; /* 3.35:1 on ink, control boundaries */
  --line:#DCE0EC;
  --line-soft:#C6CCDE;
  --line-dark:rgba(255,255,255,.14);

  --sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;

  --fs-xs:.8125rem;
  --fs-sm:.9375rem;
  --fs-base:1.0625rem;
  --fs-lg:1.1875rem;
  --fs-xl:1.4375rem;

  --gutter:clamp(1.25rem,5vw,2.75rem);
  --wide:1280px;
  --measure:64ch;
  --bay:clamp(4.5rem,9vw,8rem);

  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;

  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

html{scroll-behavior:smooth;scroll-padding-top:7rem}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

body{
  font-family:var(--sans);
  font-size:var(--fs-base);
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

:focus-visible{outline:2px solid var(--ultramarine);outline-offset:3px;border-radius:4px}
.dark :focus-visible,.foot :focus-visible,.spec :focus-visible{outline-color:#fff}
::selection{background:var(--ultramarine);color:#fff}

.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ultramarine);color:#fff;padding:.75rem 1.25rem;border-radius:0 0 var(--r-sm) 0}
.skip:focus{left:0}

/* ---------- 3. Typography ---------- */
.display{font-size:clamp(2.35rem,4.9vw,4rem);line-height:1.0;letter-spacing:-.032em;font-weight:600}
.h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.04;letter-spacing:-.03em;font-weight:600}
.h2{font-size:clamp(1.75rem,3.4vw,2.75rem);line-height:1.08;letter-spacing:-.028em;font-weight:600}
.h3{font-size:clamp(1.2rem,2vw,1.5rem);line-height:1.2;letter-spacing:-.018em;font-weight:600}
.h4{font-size:var(--fs-lg);line-height:1.3;letter-spacing:-.012em;font-weight:600}

.lede{font-size:clamp(1.125rem,1.7vw,1.375rem);line-height:1.5;color:var(--steel);max-width:52ch;letter-spacing:-.012em}
.prose{max-width:var(--measure);color:var(--steel)}
.prose p + p{margin-top:1.05em}
.prose strong{color:var(--ink);font-weight:600}
.quiet{color:var(--steel)}
.serif-note{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--ink)}

.tag{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--fs-xs);font-weight:500;color:var(--ultramarine)}
.tag::before{content:"";width:14px;height:1px;background:currentColor;flex:none}
.dark .tag{color:#93A4FF}

/* ---------- 4. Layout ---------- */
.wrap{width:100%;max-width:var(--wide);margin-inline:auto;padding-inline:var(--gutter)}
.bay{padding-block:var(--bay)}
.bay-tight{padding-block:clamp(3rem,6vw,5rem)}
.dark{background:var(--ink);color:#fff}
.dark .quiet,.dark .lede,.dark .prose{color:#A7AEC9}
.mist{background:var(--mist)}

.stack-sm > * + *{margin-top:.5rem}
.stack > * + *{margin-top:1rem}
.stack-lg > * + *{margin-top:2rem}

.head{display:flex;flex-direction:column;gap:1rem;max-width:46ch;margin-bottom:clamp(2.25rem,4vw,3.5rem)}
.head-row{display:flex;flex-direction:row;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:1.5rem 2.5rem;max-width:none}
.head-row > *{flex:1 1 300px}
.head-row > *:last-child{flex:0 1 auto;text-align:left}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.5rem;border-radius:var(--r-pill);
  font-size:var(--fs-sm);font-weight:600;letter-spacing:-.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--ultramarine);color:#fff}
.btn-primary:hover{background:var(--ultramarine-press)}
.btn-ghost{border-color:var(--line-strong);background:var(--paper);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ultramarine);background:var(--ultramarine-wash);color:var(--ultramarine)}
.dark .btn-ghost{background:transparent;border-color:var(--line-dark-strong);color:#fff}
.dark .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-sm{padding:.6rem 1.1rem;font-size:var(--fs-xs)}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem}

.tlink{
  display:inline-block;font-weight:500;color:var(--ultramarine);
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .4s var(--ease);
}
.tlink:hover{background-size:100% 1px}
.dark .tlink{color:#93A4FF}

/* ---------- 6. Floating pill nav ---------- */
.nav-slot{position:fixed;inset:0 0 auto 0;z-index:100;padding:1.1rem var(--gutter) 0;pointer-events:none;transition:padding-top .4s var(--ease)}
.nav-slot.is-stuck{padding-top:.6rem}

.nav{
  position:relative;pointer-events:auto;
  width:100%;max-width:var(--wide);margin-inline:auto;
  display:flex;align-items:center;gap:1rem;
  padding:.55rem .55rem .55rem 1.35rem;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(14,18,51,.04);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  transition:max-width .5s var(--ease),box-shadow .4s var(--ease),background .4s var(--ease);
}
.nav-slot.is-stuck .nav{
  max-width:960px;
  background:rgba(255,255,255,.93);
  box-shadow:0 10px 34px -14px rgba(14,18,51,.28),0 1px 2px rgba(14,18,51,.05);
}

.nav-logo{display:flex;align-items:center;color:var(--ultramarine);flex:none}
.nav-logo svg{height:25px;width:auto}

.nav-links{display:flex;align-items:center;gap:.25rem;margin-left:auto}
.nav-links a{
  padding:.5rem .85rem;border-radius:var(--r-pill);
  font-size:var(--fs-sm);font-weight:500;color:var(--steel);
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-links a:hover{color:var(--ink);background:var(--mist)}
.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-cta{flex:none}

.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line-strong);background:var(--paper);border-radius:var(--r-pill);align-items:center;justify-content:center;cursor:pointer}
.nav-toggle span{display:block;width:16px;height:9px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;right:0;height:1.5px;background:var(--ink);border-radius:2px;transition:transform .35s var(--ease),top .35s var(--ease)}
.nav-toggle span::before{top:0}
.nav-toggle span::after{top:7.5px}
.nav-toggle[aria-expanded="true"] span::before{top:3.75px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:3.75px;transform:rotate(-45deg)}

@media (max-width:900px){
  .nav-links{
    position:absolute;top:calc(100% + .5rem);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:.15rem;
    background:rgba(255,255,255,.97);backdrop-filter:blur(18px);
    border:1px solid var(--line);border-radius:var(--r-lg);
    padding:.6rem;margin:0;
    box-shadow:0 18px 44px -18px rgba(14,18,51,.3);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
  }
  .nav[data-open="true"] .nav-links{opacity:1;visibility:visible;transform:none}
  .nav-links a{padding:.7rem .9rem}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-cta-m{background:var(--ultramarine);color:#fff;text-align:center;margin-top:.35rem;font-weight:600}
  .nav-links .nav-cta-m:hover{background:var(--ultramarine-lift);color:#fff}
}
@media (min-width:901px){.nav-cta-m{display:none}}

/* ---------- 7. Hero ---------- */
.hero{padding-top:clamp(8rem,14vw,11rem);padding-bottom:clamp(3rem,6vw,5rem)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media (max-width:980px){.hero-grid{grid-template-columns:1fr;gap:2.75rem}}
.hero-copy{max-width:none}
.hero .lede{max-width:44ch}
.hero .display{margin-bottom:1.4rem}
.hero .lede{margin-bottom:2rem}

.rise{opacity:0;transform:translateY(14px)}
.loaded .rise{animation:rise .9s var(--ease) forwards}
.loaded .rise[data-d="1"]{animation-delay:.05s}
.loaded .rise[data-d="2"]{animation-delay:.14s}
.loaded .rise[data-d="3"]{animation-delay:.23s}
.loaded .rise[data-d="4"]{animation-delay:.32s}
@keyframes rise{to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.rise{opacity:1;transform:none}}

.mosaic{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:208px;gap:.75rem;align-self:center}
.mosaic .tile{min-height:0}
.tile{
  transition:background .4s var(--ease),box-shadow .4s var(--ease);
  position:relative;display:flex;flex-direction:column;
  min-height:0;padding:1.1rem;border-radius:var(--r-md);
  background:var(--mist);overflow:hidden;
  transition:background .4s var(--ease);
}
.tile:hover{background:var(--mist-deep);box-shadow:0 14px 32px -18px rgba(14,18,51,.24)}

.tile-label{display:flex;flex-direction:column;gap:.1rem;position:relative;z-index:1}
.tile-label b{font-size:var(--fs-sm);font-weight:600;letter-spacing:-.012em;display:block}
.tile-label span{font-size:var(--fs-xs);color:var(--steel)}
.tile figure{flex:1;position:relative;min-height:0;margin:.9rem 0 0}
.tile img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center bottom;
  mix-blend-mode:multiply;
  transition:transform .7s var(--ease);
}
.tile:hover img{transform:scale(1.045)}
@media (max-width:520px){
  .mosaic{grid-auto-rows:168px;gap:.6rem}
}

/* ---------- 8. Marquee ---------- */
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;gap:clamp(2.5rem,5vw,4.5rem);width:max-content;animation:slide 44s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{font-size:var(--fs-lg);font-weight:500;letter-spacing:-.02em;color:var(--steel);white-space:nowrap}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none}}

/* ---------- 9. Grids & cards ---------- */
.grid{display:grid;gap:1px;background:var(--line)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.cell{background:var(--paper);padding:clamp(1.5rem,2.6vw,2.25rem)}
.cell h4{margin-bottom:.5rem}
.cell p{font-size:var(--fs-sm);color:var(--steel);max-width:36ch}
.dark .grid{background:var(--line-dark)}
.dark .cell{background:var(--ink)}
.dark .cell p{color:#A7AEC9}
.mist .cell{background:var(--mist)}
.mist .grid{background:var(--line)}

.pcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(238px,1fr));gap:1.25rem}
.pcard{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--paper);overflow:hidden;
  box-shadow:0 1px 2px rgba(14,18,51,.03);
  transition:border-color .35s var(--ease),box-shadow .4s var(--ease),transform .35s var(--ease);
}
.pcard:hover{
  border-color:var(--line-soft);
  box-shadow:0 18px 40px -20px rgba(14,18,51,.28),0 3px 10px -4px rgba(14,18,51,.10);
}
.pcard-img{position:relative;aspect-ratio:1/1;background:var(--mist);display:grid;place-items:center;overflow:hidden}
.pcard-img img{position:absolute;inset:1.25rem;width:calc(100% - 2.5rem);height:calc(100% - 2.5rem);object-fit:contain;mix-blend-mode:multiply;transition:transform .6s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.045)}
.pcard-img.is-empty{font-size:var(--fs-xs);color:var(--steel-light);text-align:center;line-height:1.5}
.pcard-body{padding:1.1rem 1.15rem 1.25rem;display:flex;flex-direction:column;gap:.3rem;flex:1}
.pcard-body b{font-size:var(--fs-base);font-weight:600;letter-spacing:-.015em}
.pcard-body span{font-size:var(--fs-sm);color:var(--steel)}
.pcard-code{margin-top:auto;padding-top:.8rem;font-size:var(--fs-xs);color:var(--ultramarine);font-weight:600;font-variant-numeric:tabular-nums}

/* ---------- 10. Spec table (set-piece) ---------- */
.spec{
  background:var(--paper);color:var(--ink);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.spec-head{
  padding:clamp(1.75rem,3vw,2.5rem) clamp(1.5rem,3vw,2.5rem) 1.25rem;
  border-bottom:1px solid var(--line);background:var(--mist);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:baseline;
}
.spec-head h3{letter-spacing:-.025em}
.spec-head p{font-size:var(--fs-sm);color:var(--steel)}
.spec table{font-variant-numeric:tabular-nums}
.spec tr{border-bottom:1px solid var(--line);transition:background .25s var(--ease)}
.spec tbody tr:last-child{border-bottom:0}
.spec tbody tr:hover{background:var(--mist)}
.spec th,.spec td{text-align:left;vertical-align:top;padding:1.05rem clamp(1.5rem,3vw,2.5rem)}
.spec th{
  width:clamp(150px,27%,280px);font-weight:600;font-size:var(--fs-sm);
  color:var(--ultramarine);
}
.spec td{font-size:var(--fs-sm);color:var(--steel);line-height:1.6}
.spec-note{
  padding:1.3rem clamp(1.5rem,3vw,2.5rem) 1.8rem;border-top:1px solid var(--line);
  background:var(--mist);
  font-size:var(--fs-xs);color:var(--steel);max-width:none;line-height:1.6;
}
@media (max-width:640px){
  .spec th,.spec td{display:block;padding-block:.3rem}
  .spec th{width:auto;padding-top:1.1rem}
  .spec td{padding-bottom:1.1rem}
}

/* ---------- 11. Variant stack ---------- */
.variants{display:flex;flex-direction:column;gap:1.25rem}
.variant{
  position:sticky;top:6.5rem;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--paper);overflow:hidden;isolation:isolate;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);
  box-shadow:0 1px 2px rgba(14,18,51,.03);
  will-change:transform;
}
/* a scrim inside the card dims it as the next one covers it, instead of
   the whole card going translucent */
.variant::after{
  content:"";position:absolute;inset:0;z-index:5;pointer-events:none;
  background:var(--paper);opacity:var(--scrim-o,0);
}
.variant-body{padding:clamp(1.5rem,3vw,2.5rem);display:flex;flex-direction:column;gap:.7rem}
.variant-n{font-size:var(--fs-sm);font-weight:600;color:var(--ultramarine);font-variant-numeric:tabular-nums}
.variant-body h3{letter-spacing:-.022em}
.variant-body p{font-size:var(--fs-sm);color:var(--steel);max-width:44ch}
.variant-code{align-self:flex-start;margin-top:.3rem;padding:.4rem .85rem;border-radius:var(--r-pill);background:var(--ultramarine-wash);color:var(--ultramarine);font-size:var(--fs-xs);font-weight:600}
.variant-meta{margin-top:auto;padding-top:1.1rem;font-size:var(--fs-xs);color:var(--steel)}
.variant-meta b{color:var(--ink);font-weight:600}
.variant-img{background:var(--mist);display:grid;place-items:center;padding:1.75rem;min-height:240px}
.variant-img img{max-height:300px;width:auto;object-fit:contain;mix-blend-mode:multiply}
@media (max-width:760px){
  .variant{grid-template-columns:1fr;position:static}
  .variant-img{order:-1;min-height:200px}
}

/* ---------- 12. Product head ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:var(--fs-xs);color:var(--steel)}
.crumb a:hover{color:var(--ultramarine)}
.crumb i{font-style:normal;color:var(--steel-light)}
.crumb b{font-weight:500;color:var(--ink)}

.phero{padding-top:clamp(7.5rem,12vw,9.5rem);padding-bottom:clamp(2.5rem,5vw,4rem)}
.phero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:clamp(2rem,5vw,4rem);align-items:center;margin-top:1.5rem}
@media (max-width:900px){.phero-grid{grid-template-columns:1fr;gap:2rem}}
.phero-stage{background:var(--mist);border-radius:var(--r-lg);display:grid;place-items:center;padding:clamp(1.75rem,4vw,3rem);min-height:340px}
.phero-stage img{max-height:400px;width:auto;object-fit:contain;mix-blend-mode:multiply}
.series{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--fs-sm);font-weight:600;color:var(--ultramarine);font-variant-numeric:tabular-nums}

.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(158px,1fr));gap:1px;background:var(--line);border-block:1px solid var(--line)}
.fact{background:var(--paper);padding:1.35rem clamp(1rem,2vw,1.5rem)}
.fact dt{font-size:var(--fs-xs);color:var(--steel);margin-bottom:.3rem}
.fact dd{font-size:var(--fs-lg);font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.25}

/* ---------- 13. Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- 14. Enquiry band ---------- */
.enquire{border-radius:var(--r-lg);background:var(--ink);color:#fff;padding:clamp(2rem,4.5vw,3.5rem);display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(1.75rem,4vw,3.5rem);align-items:center}
@media (max-width:820px){.enquire{grid-template-columns:1fr}}
.enquire h2{letter-spacing:-.028em}
.enquire p{color:#A7AEC9;max-width:46ch;font-size:var(--fs-sm);margin-top:.9rem}
.checklist{display:flex;flex-direction:column;gap:.6rem}
.checklist li{display:flex;gap:.7rem;font-size:var(--fs-sm);color:#DCE0F0}
.checklist li::before{content:"";flex:none;width:6px;height:6px;margin-top:.55rem;border-radius:50%;background:#93A4FF}

/* ---------- 15. Footer ---------- */
.foot{background:var(--ink-deep);color:#fff;padding-block:clamp(3rem,6vw,4.5rem) 2rem}
.foot-top{display:grid;grid-template-columns:minmax(0,1.35fr) repeat(3,minmax(0,1fr));gap:2.5rem;padding-bottom:3rem;border-bottom:1px solid var(--line-dark)}
@media (max-width:900px){.foot-top{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot-top{grid-template-columns:1fr}}
.foot-logo{color:#fff;display:inline-flex;margin-bottom:1.1rem}
.foot-logo svg{height:29px;width:auto}
.foot p{font-size:var(--fs-sm);color:#8E97B8;max-width:34ch}
.foot h5{font-size:var(--fs-xs);font-weight:600;color:#fff;margin-bottom:1rem}
.foot li + li{margin-top:.55rem}
.foot li a,.foot address a{font-size:var(--fs-sm);color:#A7AEC9;transition:color .25s var(--ease)}
.foot li a:hover,.foot address a:hover{color:#fff}
.foot address{font-style:normal;font-size:var(--fs-sm);color:#A7AEC9;line-height:1.7}
.foot-base{padding-top:1.75rem;display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:var(--fs-xs);color:#7C86A8}

/* ---------- 16. Misc ---------- */
.rule{height:1px;background:var(--line);border:0}
.pill-note{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .9rem;border-radius:var(--r-pill);background:var(--ultramarine-wash);color:var(--ultramarine);font-size:var(--fs-xs);font-weight:500}
.img-todo{border:1px dashed var(--line);border-radius:var(--r-md);background:var(--mist);display:grid;place-items:center;text-align:center;padding:2rem;color:var(--steel-light);font-size:var(--fs-xs);line-height:1.5;min-height:200px}
.cat-band{display:flex;flex-wrap:wrap;align-items:baseline;gap:1rem;justify-content:space-between;padding-bottom:1.25rem;margin-bottom:0;border-bottom:1px solid var(--line)}
.cat-band p{font-size:var(--fs-sm);color:var(--steel);max-width:48ch}

/* category section on the hub */
.cat-sec{padding-block:clamp(2.5rem,5vw,4rem)}
.cat-sec-empty{padding-block:clamp(1.75rem,3vw,2.5rem)}
.cat-band h2 a:hover{color:var(--ultramarine)}
.cat-count{font-size:var(--fs-xs);color:var(--steel-light);white-space:nowrap}
.cat-empty{font-size:var(--fs-sm);color:var(--steel)}

/* ============================================================
   17. Motion layer
   ============================================================ */

/* scroll progress, drawn inside the pill */
.nav-progress{
  position:absolute;left:1.6rem;right:1.6rem;bottom:.35rem;height:2px;
  border-radius:2px;overflow:hidden;opacity:0;
  transition:opacity .4s var(--ease);
}
.nav-slot.is-stuck .nav-progress{opacity:1}
.nav-progress i{display:block;height:100%;border-radius:2px;background:var(--ultramarine);opacity:.55;transform:scaleX(0);transform-origin:0 50%}

/* sliding indicator behind the nav links, desktop only */
@media (min-width:901px){ .nav-links{position:relative} }
.nav-ind{
  position:absolute;top:0;left:0;height:100%;border-radius:var(--r-pill);
  background:var(--mist);opacity:0;pointer-events:none;z-index:-1;
}
@media (max-width:900px){.nav-ind{display:none}}

/* cards tilt very slightly toward the pointer */
.pcard{transform-style:preserve-3d;will-change:transform}
.pcard-img img{will-change:transform}

/* copy-to-clipboard affordance */
.copy{
  display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;
  border:0;background:none;padding:0;text-align:left;
  color:var(--ultramarine);font-weight:500;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .4s var(--ease);
}
.copy:hover{background-size:100% 1px}
.copy small{
  font-size:var(--fs-xs);color:var(--steel);
  opacity:0;transform:translateX(-4px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.copy.done small{opacity:1;transform:none}

/* key facts count up */
.fact dd{font-variant-numeric:tabular-nums}

/* Photographs shot on a studio backdrop rather than cut out: give them a white
   stage and leave the blend mode alone, so the backdrop does not go muddy. */
.variant-img.is-photo,.phero-stage.is-photo,.pcard-img.is-photo{background:var(--paper);padding:0}
.variant-img.is-photo img,.phero-stage.is-photo img,.pcard-img.is-photo img{
  mix-blend-mode:normal;inset:0;width:100%;height:100%;max-height:none;object-fit:cover;
}

/* ============================================================
   19. Data tables (flow ranges, model lists, material guides)
   ============================================================ */
.dtable{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--paper)}
.dtable-head{padding:clamp(1.5rem,3vw,2.25rem) clamp(1.25rem,3vw,2.25rem) 1.1rem;border-bottom:1px solid var(--line);background:var(--mist)}
.dtable-head h2{letter-spacing:-.022em;margin-bottom:.3rem}
.dtable-head p{font-size:var(--fs-sm);color:var(--steel);max-width:60ch}
.dtable-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.dtable table{font-variant-numeric:tabular-nums;min-width:520px}
.dtable thead th{
  text-align:left;font-size:var(--fs-xs);font-weight:600;color:var(--ultramarine);
  padding:.9rem clamp(1.25rem,3vw,2.25rem);background:var(--mist-deep);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.dtable tbody td{
  font-size:var(--fs-sm);color:var(--steel);vertical-align:top;
  padding:.85rem clamp(1.25rem,3vw,2.25rem);border-bottom:1px solid var(--line);
}
.dtable tbody td:first-child{color:var(--ink);font-weight:500}
.dtable tbody tr:last-child td{border-bottom:0}
.dtable tbody tr{transition:background .25s var(--ease)}
.dtable tbody tr:hover{background:var(--mist)}
.dtable-note{
  padding:1.2rem clamp(1.25rem,3vw,2.25rem) 1.6rem;border-top:1px solid var(--line);background:var(--mist);
  font-size:var(--fs-xs);color:var(--steel);max-width:86ch;line-height:1.6;
}

.variant-noimg{
  font-size:var(--fs-xs);color:var(--steel-light);text-align:center;line-height:1.6;
}

/* ============================================================
   20. Grouped catalogue (subgroups from the sitemap)
   ============================================================ */
.jump{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:2.25rem}
.jump a{
  font-size:var(--fs-xs);font-weight:500;color:var(--steel);
  padding:.45rem .9rem;border:1px solid var(--line);border-radius:var(--r-pill);
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.jump a:hover{color:#fff;background:var(--ink);border-color:var(--ink)}

.subset{padding-block:clamp(2.5rem,5vw,4rem)}
.subset + .subset{padding-top:0}
.cat-sec .pcards{margin-top:2rem}
.subset-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:2rem;
  padding-bottom:1.1rem;margin-bottom:1.75rem;border-bottom:1px solid var(--line);
}
.subset-head h2{letter-spacing:-.022em;margin-bottom:.35rem}
.subset-head p{font-size:var(--fs-sm);color:var(--steel);max-width:56ch}
.subset-n{
  font-size:var(--fs-sm);font-weight:600;color:var(--line-strong);
  font-variant-numeric:tabular-nums;flex:none;
}

/* hub: sets as link rows rather than a wall of cards */
.hubset{display:grid;gap:1px;background:var(--line)}
.hubrow{
  background:var(--paper);display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);
  gap:1rem 2rem;padding:1.35rem 0;
}
@media (max-width:700px){.hubrow{grid-template-columns:1fr;gap:.5rem}}
.hubrow h3{font-size:var(--fs-sm);font-weight:600;letter-spacing:-.01em}
.hubrow p{display:flex;flex-wrap:wrap;gap:.5rem}
.hubrow a{
  font-size:var(--fs-sm);color:var(--steel);
  padding:.3rem .75rem;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--paper);
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease);
}
.hubrow a:hover{color:var(--ultramarine);border-color:var(--ultramarine);background:var(--ultramarine-wash)}


/* ============================================================
   21. WhatsApp
   ============================================================ */
.wa{
  position:fixed;z-index:90;
  right:max(1.25rem,env(safe-area-inset-right));
  bottom:max(1.25rem,env(safe-area-inset-bottom));
  display:inline-flex;align-items:center;gap:.6rem;
  height:56px;padding:0 1.1rem 0 1rem;
  border-radius:var(--r-pill);
  background:#1EA952;color:#fff;
  box-shadow:0 12px 30px -10px rgba(14,18,51,.34),0 2px 6px rgba(14,18,51,.12);
  transition:background .25s var(--ease),box-shadow .3s var(--ease),transform .2s var(--ease);
}
.wa:hover{background:#17803E;box-shadow:0 16px 38px -12px rgba(14,18,51,.42),0 2px 6px rgba(14,18,51,.14)}
.wa:active{transform:translateY(1px)}
.wa svg{width:26px;height:26px;flex:none;fill:currentColor}
.wa span{font-size:var(--fs-sm);font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.wa:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
@media (max-width:560px){
  .wa{height:52px;width:52px;padding:0;justify-content:center}
  .wa span{display:none}
}


/* ============================================================
   22. Category cells that are links
   ============================================================ */
a.cell{
  position:relative;display:block;
  transition:background .3s var(--ease);
}
/* a rule that draws down the leading edge on hover */
a.cell::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--ultramarine);
  transform:scaleY(0);transform-origin:50% 0;
  transition:transform .4s var(--ease);
}
a.cell:hover{background:var(--paper)}
a.cell:hover::before{transform:scaleY(1)}
a.cell h4{transition:color .25s var(--ease)}
a.cell:hover h4{color:var(--ultramarine)}
a.cell:focus-visible{outline-offset:-3px}
@media (prefers-reduced-motion:reduce){
  a.cell::before{transition:none}
}