/* ── Meridian design system ────────────────────────────────────────────────
   Extracted from the approved homepage (comp-b). Every page reads from here. */

:root{
  --bg:#FFFFFF; --ink:#08080C; --ink-60:rgba(8,8,12,.62); --ink-40:rgba(8,8,12,.42);
  --wash:#EDF8F6; --coa:#0E6E60; --sale:#12423C;
  /* keyed to the vial cap render: highlight #A2E4DE, shadow #12423C */
  --brand:#A2E4DE; --brand-soft:#D9F1ED; --brand-deep:#12423C;
  --card:#FFFFFF; --line:rgba(8,8,12,.10);
  --r-lg:24px; --r-md:18px; --r-sm:12px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:'Switzer',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 40px}
.wrap-wide{max-width:1320px;margin:0 auto;padding:0 40px}
.mono{font-family:ui-monospace,Consolas,monospace}
.micro{font-size:12px;font-weight:650;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-40)}
.hr{border:0;border-top:1px solid var(--line)}

/* buttons */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;border-radius:999px;font-size:14.5px;font-weight:600;text-decoration:none;transition:.25s;cursor:pointer;font-family:inherit;border:0}
.pill.solid{background:var(--ink);color:#fff;padding:16px 32px}
.pill.solid:hover{opacity:.88}
.pill.ghost{border:1px solid rgba(19,19,21,.18);color:var(--ink);padding:15px 28px;background:transparent}
.pill.ghost:hover{border-color:rgba(19,19,21,.4)}
.pill.sm{padding:11px 20px;font-size:13.5px}
.pill.block{display:flex;width:100%}
.arr{display:inline-block;transition:transform .3s ease}
.pill:hover .arr{transform:translateX(4px)}

/* announcement + nav */
.announce{background:var(--brand);color:var(--ink);text-align:center;font-size:12.5px;font-weight:600;letter-spacing:.06em;padding:9px 16px}
.announce b{color:var(--brand-deep)}
nav{position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);z-index:110;border-bottom:1px solid var(--line)}
/* three tracks so the links sit optically centred regardless of logo width */
.nav-in{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:72px}
.logo{font-weight:700;font-size:18px;letter-spacing:.16em;text-transform:uppercase;text-decoration:none;justify-self:start}
.nav-links{display:flex;align-items:center;gap:4px;justify-self:center}
.nav-actions{display:flex;align-items:center;gap:10px;justify-self:end}
.nav-item{position:relative}
.nav-top{display:inline-flex;align-items:center;gap:5px;color:var(--ink-60);text-decoration:none;font-size:14.5px;font-weight:550;padding:10px 13px;border-radius:10px;transition:color .2s,background .2s}
.nav-top:hover,.nav-top.on{color:var(--ink)}
.nav-item:hover .nav-top{background:var(--wash);color:var(--ink)}
.chev{transition:transform .26s cubic-bezier(.22,.61,.36,1);opacity:.6}
.nav-item:hover .chev{transform:rotate(180deg)}

/* dropdown panel: opacity + translate only, and it keeps a hover bridge so the
   pointer can cross the gap between the trigger and the panel */
.dd{position:absolute;top:100%;left:50%;transform:translate(-50%,6px);padding-top:10px;
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,transform .22s cubic-bezier(.22,.61,.36,1),visibility .22s;z-index:120}
.nav-item:hover .dd,.nav-item:focus-within .dd{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.dd-in{min-width:274px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px;
       box-shadow:0 30px 60px -30px rgba(8,8,12,.34),0 2px 8px -4px rgba(8,8,12,.12)}
.dd-in a{display:block;padding:10px 12px;border-radius:11px;text-decoration:none;color:var(--ink);transition:background .18s}
.dd-in a:hover{background:var(--wash)}
.dd-t{display:block;font-size:14px;font-weight:600}
.dd-s{display:block;font-size:12.5px;color:var(--ink-40);margin-top:2px}
.search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;padding:9px 16px;min-width:200px;color:var(--ink-40);font-size:13.5px}
.nav-ic{position:relative;display:inline-flex;padding:6px;text-decoration:none}
.cart-n{position:absolute;top:-2px;right:-4px;background:var(--coa);color:#fff;font-size:10px;font-weight:700;border-radius:999px;padding:1.5px 5.5px}

/* page header block */
.page-head{padding:70px 0 42px;border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(34px,4vw,52px);line-height:1.05;letter-spacing:-.03em;font-weight:600;margin-top:14px;max-width:20ch}
.page-head p{margin-top:16px;font-size:16.5px;line-height:1.6;color:var(--ink-60);max-width:56ch}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--ink-40)}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}

/* product cards (shared: home, shop, related) */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.p-card{position:relative;display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 14px 14px;text-align:center;text-decoration:none;color:var(--ink);transition:.3s}
.p-card:hover{transform:translateY(-4px);box-shadow:0 26px 48px -28px rgba(19,19,21,.35)}
.badge{position:absolute;top:12px;left:12px;z-index:2;font-size:11px;font-weight:700;letter-spacing:.06em;border-radius:999px;padding:5px 10px}
.badge.sale{background:var(--sale);color:#fff}
.badge.best{background:#fff;color:var(--ink);border:1px solid var(--line)}
.p-vial{position:relative;display:flex;justify-content:center;align-items:flex-end;height:186px}
.p-vial img{height:170px;width:auto;filter:drop-shadow(0 9px 12px rgba(19,19,21,.13));transition:transform .45s cubic-bezier(.22,.61,.36,1)}
.p-vial::before{content:'';position:absolute;bottom:6px;left:50%;transform:translateX(calc(-50% + 5px));width:56%;height:11px;background:radial-gradient(ellipse at 50% 45%,rgba(19,19,21,.5),rgba(19,19,21,0) 74%);filter:blur(5px)}
.p-card:hover .p-vial img{transform:translateY(-5px) scale(1.03)}
.p-vial.tray img{height:152px}
.p-name{font-size:16.5px;font-weight:650;margin-top:14px}
.p-dose{font-size:12.5px;color:var(--ink-60);margin-top:2px;min-height:16px}
.p-price{margin-top:8px;font-size:15px;font-weight:650}
.p-price s{color:var(--ink-40);font-weight:500;margin-right:7px}
.p-stock{margin-top:7px;font-size:11.5px;font-weight:650;letter-spacing:.04em;color:var(--coa)}
.p-stock.low{color:var(--sale)}
.p-cta{margin-top:11px;display:block;border:1px solid var(--line);border-radius:999px;padding:9px 0;font-size:12.5px;font-weight:650;transition:.2s}
.p-card:hover .p-cta{background:var(--ink);color:#fff;border-color:var(--ink)}

/* chips / filters */
.chips{display:flex;gap:9px;flex-wrap:wrap}
.chip{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--ink-60);cursor:pointer;transition:.2s;background:#fff}
.chip.on,.chip:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* panels, tables, forms */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px}
.panel.wash{background:var(--wash);border-color:transparent}
.rows{width:100%;font-size:14.5px}
.rows .r{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.rows .r:last-child{border-bottom:0}
.rows .r span:first-child{color:var(--ink-60)}
.rows .r span:last-child{font-weight:650;text-align:right}
label.fld{display:block;margin-bottom:14px}
label.fld span{display:block;font-size:12.5px;font-weight:650;letter-spacing:.05em;color:var(--ink-60);margin-bottom:7px}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 15px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--ink)}
textarea{min-height:120px;resize:vertical}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* accordion */
details{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;height:fit-content}
details+details{margin-top:10px}
details summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:17px 20px;font-size:15px;font-weight:650}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'+';font-weight:300;font-size:20px;color:var(--ink-40);transition:transform .25s}
details[open] summary::after{content:'‘2';color:var(--ink)}
details p{padding:0 20px 17px;font-size:14.5px;line-height:1.62;color:var(--ink-60)}

/* RUO band + footer */
.ruo-band{background:var(--brand-deep);color:#fff;border:0;text-align:center;padding:13px;font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase}
footer{background:var(--brand);border-top:0;margin-top:0}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:36px;padding:52px 0 34px}
.f-logo{font-weight:700;font-size:16px;letter-spacing:.16em;text-transform:uppercase}
.f-brand p{margin-top:12px;font-size:13.5px;line-height:1.65;color:var(--ink-60);max-width:30ch}
.f-col h3,.f-contact h3{font-size:12px;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-40);margin-bottom:14px}
.f-col a{display:block;color:var(--ink-60);text-decoration:none;font-size:14px;padding:5px 0}
.f-col a:hover{color:var(--ink)}
.f-contact p{font-size:14px;color:var(--ink-60);line-height:1.75}
.f-contact b{color:var(--ink);font-weight:650}
.trust-chips{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.t-chip{border:1px solid var(--line);border-radius:8px;padding:6px 11px;font-size:11px;font-weight:650;color:var(--ink-40);background:#fff}
.f-legal{border-top:1px solid var(--line);padding:22px 0 40px;font-size:11.5px;line-height:1.7;color:var(--ink-40)}

/* motion (shared with home) */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);transition-delay:var(--d,0ms)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.rv{opacity:1;transform:none;transition:none}}

@media (max-width:980px){
  .wrap,.wrap-wide{padding:0 20px}
  .nav-links,.search{display:none}
  .grid4{grid-template-columns:1fr 1fr}
  .grid3{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr 1fr}
}


/* mobile navigation */
.burger{display:none;border:0;background:transparent;color:var(--ink);padding:6px;cursor:pointer}
.mnav{display:none;border-bottom:1px solid var(--line);background:#fff;padding:16px 20px 20px}
.mnav a{display:block;padding:12px 0;font-size:16px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--line)}
.mnav a:last-of-type{border-bottom:0}
.mnav .search{width:100%}
.mnav.open{display:block}
@media (max-width:1100px){
  .burger{display:inline-flex}
  .nav-in{grid-template-columns:auto 1fr;gap:14px}
  .nav-links{display:none}
  .nav-actions{justify-self:end}
  nav .search{display:none}
}
/* mobile menu groups */
/* reset the generic details card styling: these are nav groups, not FAQ cards */
.mnav details.mgroup{border:0;border-radius:0;background:transparent;margin-top:0}
.mnav details.mgroup+details.mgroup{margin-top:0}
.mnav .mgroup summary::after{content:none}
.mgroup{border-bottom:1px solid var(--line)}
.mgroup summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
                padding:14px 0;min-height:44px;font-size:16px;font-weight:600}
.mgroup summary::-webkit-details-marker{display:none}
.mgroup summary .chev{transition:transform .25s}
.mgroup[open] summary .chev{transform:rotate(180deg)}
.msub{padding:2px 0 12px 14px;border-left:2px solid var(--line);margin-left:2px}
.msub a{border-bottom:0;font-size:14.5px;font-weight:500;color:var(--ink-60);padding:11px 0;min-height:44px;display:flex;align-items:center}
.msub a:hover{color:var(--ink)}
/* mobile overflow guards */
@media (max-width:640px){
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .p-name{min-height:38px}
}

/* ---- touch targets -------------------------------------------------------
   Anything tappable clears 44px on a phone. Below that, links sit closer than
   a fingertip is wide and the page reads as broken even when it works. */
@media (max-width:820px){
  .nav-ic{min-width:44px;min-height:44px;align-items:center;justify-content:center}
  .burger{min-width:44px;min-height:44px;align-items:center;justify-content:center}
  .mnav a{padding:14px 0;min-height:44px;display:flex;align-items:center}
  .f-col a{padding:11px 0;min-height:44px;display:flex;align-items:center}
  .crumbs a{padding:11px 0;display:inline-flex;align-items:center;min-height:44px}
  .logo{min-height:44px;display:inline-flex;align-items:center}
  .demo-ribbon a{display:inline-block;padding:8px 0;min-height:40px}
  .pill{min-height:46px}
  .pill.sm{min-height:40px}
  .p-cta{padding:13px 0;min-height:44px}
  /* standalone controls: cart line actions, card headers, in-page contents */
  .acts a,.acts button{min-height:44px;display:inline-flex;align-items:center}
  .card-hd a{min-height:44px;display:inline-flex;align-items:center}
  .toc a{min-height:44px;display:flex;align-items:center}
  /* links inside tables and definition rows: grow the hit area without
     breaking the line box the way display:block would */
  td a,.rows a{display:inline-block;padding:10px 0}
  .plinth-stage figcaption a{display:inline-flex;align-items:center;min-height:44px}
}
/* iOS zooms the page when a focused input is under 16px */
@media (max-width:820px){
  input,select,textarea{font-size:16px}
}
a,button{-webkit-tap-highlight-color:transparent}

/* ---- motion --------------------------------------------------------------
   Reveal transitions used by the IntersectionObserver in build.py, plus the
   micro-interactions. Everything is transform/opacity only so it stays on the
   compositor and does not jank on a mid-range phone. */
.rv{opacity:0;transform:translateY(16px);transition:opacity .62s cubic-bezier(.22,.61,.36,1),transform .62s cubic-bezier(.22,.61,.36,1);transition-delay:var(--d,0ms)}
.rv.in{opacity:1;transform:none}

.pill.solid{position:relative;overflow:hidden}
.pill.solid::after{content:'';position:absolute;inset:0;background:linear-gradient(120deg,transparent 20%,rgba(255,255,255,.22) 50%,transparent 80%);transform:translateX(-120%)}
.pill.solid:hover::after{transform:translateX(120%);transition:transform .75s cubic-bezier(.22,.61,.36,1)}
.pill:active{transform:scale(.978)}

.p-card{will-change:transform}
.p-card .p-cta{transition:background .22s ease,color .22s ease,border-color .22s ease}
.p-card:hover .p-cta{background:var(--ink);color:#fff;border-color:var(--ink)}

/* scoped to footer columns only: the top nav now uses a background pill, and a
   wipe here would also underline every link inside the dropdown panels */
.f-col a{position:relative}
.f-col a::after{content:'';position:absolute;left:0;bottom:2px;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .3s cubic-bezier(.22,.61,.36,1)}
.f-col a:hover::after{transform:scaleX(1);transform-origin:left}

/* Respect the OS setting. Vestibular disorders are not an edge case. */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}

/* ---- demonstration ribbon (RUObuilt funnel disclosure) ---- */
.demo-ribbon{
  background:#08080C;color:#fff;font-size:12.5px;line-height:1.45;
  text-align:center;padding:9px 18px;letter-spacing:.005em;
}
.demo-ribbon b{font-weight:700;letter-spacing:.07em}
.demo-ribbon a{color:#fff;text-decoration:underline;white-space:nowrap;font-weight:600}
@media (max-width:700px){ .demo-ribbon{font-size:11.5px;padding:8px 12px} }