/* Nifty Plastics: option 4 (option 2 layout and fonts, option 2 checkpoint colours)
   formerly: option 2 design system
   Petrol ink + film white + copper (from the logo) + one signal red used only for the zip line. */
@font-face{font-family:"Bricolage Grotesque";src:url("fonts/bricolage-grotesque-latin-standard-normal.woff2") format("woff2");font-weight:200 800;font-stretch:75% 100%;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url("fonts/instrument-sans-latin-standard-normal.woff2") format("woff2");font-weight:400 700;font-stretch:75% 100%;font-display:swap}
:root{
  --ink:#1F2430;        /* petrol: header, hero, text on light */
  --ink-2:#5A5F6B;      /* secondary text */
  --film:#F6F1EA;       /* cool film-white surfaces */
  --line:#E5DCCF;       /* hairlines */
  --copper:#D08A3E;     /* logo copper: accents on dark */
  --copper-d:#98530F;   /* deep copper: buttons, links, small text on light */
  --zip:#C8742A;        /* the red zip line. Used for seals and nothing else */
  --seal:#C8742A;
  --paper:#fff;
  --wa:#1E8E4F;
  --w:1280px;
  --display:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif;
  --text:"Instrument Sans",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.62 var(--text);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--copper-d);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--copper);outline-offset:2px}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}

/* type scale */
h1,h2,h3{font-family:var(--display);font-optical-sizing:auto;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.5rem,5.2vw,4.4rem);font-weight:800;font-stretch:94%;line-height:1;letter-spacing:-.022em}
h2{font-size:clamp(1.9rem,3.5vw,2.85rem);font-weight:750;font-stretch:96%;line-height:1.06;letter-spacing:-.02em}
h3{font-size:1.3rem;font-weight:700;line-height:1.2;letter-spacing:-.015em}
p{margin:0 0 1em;max-width:62ch}
.lead{font-size:1.22rem;line-height:1.55;color:var(--ink-2)}

/* top bar and header */
.top{background:#14171F;color:#D8D2C8;font-size:.9rem}
.top .wrap{display:flex;gap:22px;justify-content:flex-end;flex-wrap:wrap;padding-top:7px;padding-bottom:7px}
.top a{color:#E8E2D8;text-decoration:none}
.top a:hover{color:#fff}
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:98px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{height:72px;width:auto;transition:height .3s}
.brand-text{display:flex;flex-direction:column;line-height:1.1;white-space:nowrap;flex:none}
.brand{flex:none}
.bn{font-family:var(--display);font-weight:800;font-stretch:96%;font-size:1.6rem;letter-spacing:-.025em;color:var(--ink);transition:font-size .3s}
.bn small{font-size:.48em;font-weight:600;letter-spacing:0;color:var(--copper-d);margin-left:6px}
.bt{font-size:.78rem;font-weight:500;color:var(--ink-2);margin-top:5px;border-top:3px double var(--zip);padding-top:5px}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center;flex-wrap:wrap}
nav.main ul{flex-wrap:nowrap}
nav.main a{display:block;padding:10px 10px;text-decoration:none;font-weight:600;font-size:.95rem;white-space:nowrap;color:var(--ink);border-bottom:3px solid transparent}
nav.main a[aria-current=page]{border-bottom:3px double var(--zip)}
nav.main a:hover{border-bottom-color:var(--line)}
nav.main li.navcta{margin-left:10px}
nav.main li.navcta a{color:#fff;border:2px solid var(--copper-d);padding:9px 16px}
nav.main li.navcta a:hover{border-color:var(--ink)}
.menu-btn{display:none;background:none;border:1px solid var(--line);padding:9px 12px;font:inherit;font-weight:600;color:var(--ink);border-radius:4px}

/* buttons */
.btn{display:inline-block;padding:14px 26px;border-radius:4px;font-weight:650;text-decoration:none;border:2px solid var(--copper-d);background:var(--copper-d);color:#fff;font-size:1rem;cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .2s}
.btn:hover{background:var(--ink);border-color:var(--ink);transform:translateY(-1px)}
.btn--line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#fff}
.btn--wa{background:var(--wa);border-color:var(--wa);color:#fff}
.btn--wa:hover{background:#17703E;border-color:#17703E}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* hero: dark, one big headline, photo bleeding off the right edge */
.hero{background:radial-gradient(900px 420px at 85% 10%,rgba(208,138,62,.20),transparent 70%),var(--ink);color:#fff}
.hero .wrap{display:grid;grid-template-columns:1.08fr 1fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:84px}
.hero h1{color:#fff}
.hero .lead{color:#D8D2C8;max-width:44ch}
.hero .btn{background:var(--copper);border-color:var(--copper);color:#1A1006}
.hero .btn:hover{background:#fff;border-color:#fff;color:var(--ink)}
.hero .btn--line{background:transparent;color:#fff;border-color:#7A7F8C}
.hero .btn--line:hover{background:#fff;border-color:#fff;color:var(--ink)}
.hero img{width:100%;height:440px;object-fit:cover;border-radius:4px}
@media (min-width:1321px){
  .hero img{width:calc(100% + (100vw - 1240px)/2);max-width:none;margin-right:calc((1240px - 100vw)/2);border-radius:4px 0 0 4px}
}

/* fact strip */
.facts{background:#fff;border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.facts .wrap>div{padding:26px 22px 24px;border-left:1px solid var(--line)}
.facts .wrap>div:first-child{border-left:0;padding-left:0}
.facts b{display:block;font-family:var(--display);font-size:1.7rem;font-weight:800;font-stretch:96%;letter-spacing:-.02em;line-height:1.1;color:var(--ink)}
.facts span{display:block;margin-top:4px;color:var(--ink-2);font-size:.95rem}

section.block{padding:88px 0}
section.block--film{background:var(--film)}
section.block>.wrap>h2:first-child{max-width:20ch}

/* products: zigzag rows, flat photos */
.prod{display:grid;grid-template-columns:400px 1fr;gap:56px;align-items:center;padding:36px 0;border-top:1px solid var(--line)}
.prod:first-of-type{border-top:0}
.prod img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center;border-radius:4px;background:var(--film)}
.prod img[src$="printed-zip-lock-bag.svg"]{object-fit:contain;padding:14px;background:#fff;border:1px solid var(--line)}
.prod h3{font-size:1.65rem;font-stretch:96%}
.prod p{color:var(--ink-2)}
.prod ul{margin:.2em 0 1em;padding-left:1.2em;color:var(--ink-2)}
/* the whole product row is one link (no separate button) */
a.prod{color:inherit;text-decoration:none;cursor:pointer;position:relative}
a.prod h3{transition:color .25s}
a.prod:hover h3{color:var(--copper-d)}
a.prod:focus-visible{outline:3px solid var(--copper);outline-offset:6px;border-radius:6px}
.prod:nth-of-type(even){grid-template-columns:1fr 400px}
.prod:nth-of-type(even)>img,.prod:nth-of-type(even)>:first-child{order:2}
.prod:nth-of-type(even)>div{order:1}

/* size chart + tool */
.sizes{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.sizes svg{width:100%;height:auto}
.sizes table{border-collapse:collapse;width:100%;font-size:.98rem}
.sizes th,.sizes td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line)}
.sizes th{font-weight:650}

/* uses: three columns, red zip tick on top, no cards */
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:0 44px;margin-top:36px}
.uses div{padding:22px 0 14px;border-top:1px solid var(--line);position:relative}
.uses div::before{content:"";position:absolute;left:0;top:-1px;width:44px;height:5px;border-top:2px solid var(--zip);border-bottom:2px solid var(--zip);box-sizing:border-box;height:7px}
.uses h3{margin:8px 0 .35em}
.uses p{color:var(--ink-2);margin:0}
.clients{color:var(--ink-2);margin-top:36px}
.clients strong{color:var(--ink)}

/* faq: heading left, answers right */
section.faq .wrap{display:grid;grid-template-columns:.8fr 1.6fr;column-gap:64px;align-items:start}
section.faq h2{grid-column:1;grid-row:1/span 40;position:sticky;top:130px;max-width:12ch}
section.faq details{grid-column:2}
details{border-top:1px solid var(--line);padding:18px 0}
details:last-of-type{border-bottom:1px solid var(--line)}
summary{font-family:var(--display);font-weight:700;font-size:1.12rem;letter-spacing:-.01em;cursor:pointer;list-style:none;padding-right:34px;position:relative}
summary::-webkit-details-marker{display:none}
summary::before,summary::after{content:"";position:absolute;right:6px;top:.62em;width:14px;height:2px;background:var(--copper-d);border-radius:2px;transition:transform .35s ease}
summary::after{transform:rotate(90deg)}
details[open] summary::after{transform:rotate(0)}
details{position:relative;isolation:isolate;transition:background .4s}
details::before{content:"";position:absolute;inset:0 -16px;border-radius:12px;z-index:-1;pointer-events:none;opacity:0;transition:opacity .35s;
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%),rgba(180,101,31,.10),transparent 65%)}
details.lit::before{opacity:1}
details[open]{border-color:var(--copper)}
@media (prefers-reduced-motion:no-preference){
  @supports (interpolate-size:allow-keywords){
    details{interpolate-size:allow-keywords}
    details::details-content{block-size:0;overflow:clip;transition:block-size .4s ease,content-visibility .4s allow-discrete}
    details[open]::details-content{block-size:auto}
  }
}
details p{margin:.7em 0 0;color:var(--ink-2)}

/* inner page head */
.pagehead{background:var(--ink);color:#fff;padding:52px 0 44px}
.pagehead h1{color:#fff;font-size:clamp(2.2rem,4.6vw,3.7rem)}
.pagehead .lead{color:#D8D2C8}
.pagehead a{color:#F0B36E}
.pagehead a:hover{color:#fff}
.pagehead .wrap>p:not(.lead){margin-top:22px;line-height:1.7}
.pagehead .wrap>p:not(.lead) a{color:#fff;text-decoration:none;font-size:1.4rem;font-weight:600;letter-spacing:-.01em;transition:color .2s}
.pagehead .wrap>p:not(.lead) a:hover{color:#F0B36E}
.crumbs{font-size:.9rem;color:#A8A399;margin-bottom:14px}
.crumbs a{color:#E8E2D8}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.split img{border-radius:4px}
.spec{border-collapse:collapse;width:100%;margin:8px 0 22px}
.spec th,.spec td{text-align:left;padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{width:38%;font-weight:650}

/* contact */
.addr{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.addr address{font-style:normal}
form.quote{display:grid;gap:14px;max-width:660px}
form.quote label{font-weight:650;font-size:.95rem;display:block;margin-bottom:4px}
form.quote input,form.quote textarea,form.quote select{width:100%;padding:12px;border:1px solid #CFC5B6;border-radius:4px;font:inherit;color:var(--ink);background:#fff}
form.quote .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.note{font-size:.92rem;color:var(--ink-2)}

/* call-to-action band */
.cta{background:linear-gradient(120deg,#1F2430 0%,#5A1418 100%);color:#fff;padding:84px 0;position:relative}
.cta::before{content:"";position:absolute;left:0;right:0;top:0;height:7px;border-top:2px solid var(--zip);border-bottom:2px solid var(--zip)}
.cta h2{color:#fff;font-size:clamp(2.1rem,4.4vw,3.5rem);max-width:18ch}
.cta p{color:#D8D2C8;font-size:1.15rem}
.cta .btn--line{color:#fff;border-color:#7A7F8C}
.cta .btn--line:hover{background:#fff;color:var(--ink);border-color:#fff}

footer.site{background:#14171F;color:#D8D2C8;padding:56px 0 28px;font-size:.96rem}
footer.site .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
footer.site a{color:#fff}
footer.site h3{color:#fff;font-size:1.05rem}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin:7px 0}
.copy{grid-column:1/-1;border-top:1px solid #2D3140;padding-top:18px;margin-top:12px;font-size:.88rem}

.wa-float{position:fixed;right:16px;bottom:16px;background:var(--wa);color:#fff;text-decoration:none;font-weight:650;padding:12px 18px;border-radius:4px;box-shadow:0 6px 18px rgba(8,31,34,.3);z-index:20;font-family:var(--display)}

/* interactive size tool */
.sizebox{min-width:0}
.sizetool{background:#fff;border:1px solid var(--line);border-top:3px double var(--zip);border-radius:4px;padding:20px 22px;margin:0 0 22px}
.sizetool-t{font-family:var(--display);font-weight:750;font-size:1.15rem;margin:0 0 12px;color:var(--ink)}
.sizetool-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.sizetool-row label{display:block;font-weight:650;font-size:.85rem;flex:1 1 90px}
.sizetool-row input,.sizetool-row select{display:block;width:100%;margin-top:4px;padding:11px 12px;border:1px solid #CFC5B6;border-radius:4px;font:inherit;font-size:1rem;color:var(--ink);background:#fff}
.sizetool-row input:focus,.sizetool-row select:focus{border-color:var(--copper-d)}
.sizetool-row .x{padding-bottom:12px;font-size:1.2rem;color:var(--ink-2)}
.sizetool-out{margin:14px 0 0;font-size:.95rem;color:var(--ink-2)}
.sizetool-out.ok{color:#17703E;font-weight:600}
.sizetool-out.warn{color:#9A3412;font-weight:600}
.sizetool-wa{margin-top:14px;padding:11px 20px;font-size:.95rem}
.sizetool-wa[hidden]{display:none}

@media (max-width:1320px){
  .menu-btn{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;flex-wrap:wrap;padding:8px 20px 16px}
  nav.main a{white-space:normal}
  nav.main li.navcta{margin:8px 0 0}
  nav.main li.navcta a{text-align:center}
  header.site .wrap{position:relative}
}
@media (max-width:900px){
  .hero .wrap,.sizes,.split{grid-template-columns:1fr}
  .hero .wrap{padding-top:44px;padding-bottom:48px;gap:30px}
  .hero img{height:auto;aspect-ratio:4/3}
  .facts .wrap{grid-template-columns:repeat(2,1fr)}
  .facts .wrap>div:nth-child(3){border-left:0;padding-left:0}
  .facts .wrap>div{border-top:1px solid var(--line)}
  .facts .wrap>div:nth-child(-n+2){border-top:0}
  .uses,.addr{grid-template-columns:1fr}
  .prod,.prod:nth-of-type(even){grid-template-columns:1fr;gap:20px}
  .prod:nth-of-type(even)>img,.prod:nth-of-type(even)>:first-child,.prod:nth-of-type(even)>div{order:0}
  section.block{padding:60px 0}
  section.faq .wrap{grid-template-columns:1fr}
  section.faq h2{position:static;grid-row:auto;max-width:none}
  section.faq details{grid-column:1}
  footer.site .wrap{grid-template-columns:1fr}
  .menu-btn{display:block}
  nav.main{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line)}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;flex-wrap:wrap;padding:8px 20px 16px}
  nav.main a{white-space:normal}
  nav.main li.navcta{margin:8px 0 0}
  nav.main li.navcta a{text-align:center}
  header.site .wrap{position:relative;min-height:76px}
  form.quote .row{grid-template-columns:1fr}
  .top{font-size:.82rem}
  .top .wrap{justify-content:center;gap:4px 14px;padding-top:5px;padding-bottom:5px}
  .top a[href^="mailto"]{display:none}
  .facts b{font-size:1.25rem}
  .facts .wrap>div{padding:16px 12px 16px 0}
  .brand img{height:52px}
  .bn{font-size:1.25rem}
  .bt{font-size:.66rem}
}

/* ---------- option 4 motion layer: inner pages (from option 3, recoloured) ---------- */
@property --a{syntax:"<angle>";initial-value:0deg;inherits:false}
.sp{position:fixed;left:0;top:0;height:3px;width:100%;z-index:9997;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--copper-d),var(--copper));box-shadow:0 0 12px 1px rgba(208,138,62,.65);pointer-events:none}
.fx [data-r]{opacity:0;transform:translateY(34px) scale(.975);filter:blur(12px);
  transition:opacity 1s cubic-bezier(.2,.7,.2,1) var(--d,0s),transform 1s cubic-bezier(.2,.7,.2,1) var(--d,0s),filter 1s cubic-bezier(.2,.7,.2,1) var(--d,0s)}
.fx [data-r].in{opacity:1;transform:none;filter:none}
.w{display:inline-block;overflow:hidden;vertical-align:top;padding:0 .02em .14em;margin-bottom:-.14em}
.w>span{display:inline-block}
.fx h1[data-split]:not(.in) .w>span{transform:translateY(112%) rotate(4deg)}
.fx h1[data-split] .w>span{transition:transform 1s cubic-bezier(.2,.8,.2,1) calc(var(--i)*70ms)}
.pimg{position:relative;overflow:hidden;border-radius:4px;aspect-ratio:4/3;background:var(--film)}
.pimg img{height:100%;border-radius:0;transform:translate3d(0,var(--py,0px),0) scale(1.1);transition:transform .7s cubic-bezier(.2,.7,.2,1);will-change:transform}
.prod:hover .pimg img{transform:translate3d(0,var(--py,0px),0) scale(1.16)}
.pagehead{position:relative;overflow:hidden}
.pagehead .wrap{position:relative;z-index:1}
.pagehead::before{content:"";position:absolute;width:560px;height:560px;right:-120px;top:-300px;border-radius:50%;background:radial-gradient(circle,rgba(208,138,62,.32),transparent 65%);filter:blur(18px);animation:drift 16s ease-in-out infinite alternate}
.pagehead::after{content:"";position:absolute;width:420px;height:420px;left:-140px;bottom:-300px;border-radius:50%;background:radial-gradient(circle,rgba(90,20,24,.55),transparent 65%);filter:blur(18px);animation:drift 20s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate3d(-60px,50px,0) scale(1.15)}}
@media (prefers-reduced-motion:reduce){.pagehead::before,.pagehead::after{animation:none}}
.btn,.wa-float{will-change:transform}

/* ---------- Ask a question ---------- */
section.ask .wrap{display:grid;grid-template-columns:.8fr 1.6fr;column-gap:64px;align-items:start}
.ask-intro{position:sticky;top:130px}
.ask-intro h2{max-width:12ch}
.ask-card{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 18px 40px -26px rgba(31,36,48,.35)}
.ask-log{position:relative;height:360px;overflow-y:auto;padding:22px 22px 8px;display:flex;flex-direction:column;gap:12px;scroll-behavior:smooth;background:var(--film)}
.msg{max-width:86%;padding:12px 16px;border-radius:14px;font-size:.98rem;line-height:1.55;animation:msgin .35s ease both}
.msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px;color:var(--ink)}
.msg.me{align-self:flex-end;background:var(--ink);color:#fff;border-bottom-right-radius:4px}
.msg ul{margin:.5em 0 .2em 1.1em;padding:0}
.msg a:not(.ask-btn){color:var(--copper-d);text-decoration:underline}
.msg.typing{display:flex;gap:5px;padding:16px 18px}
.msg.typing i{width:7px;height:7px;border-radius:50%;background:var(--copper);animation:dot 1s infinite ease-in-out}
.msg.typing i:nth-child(2){animation-delay:.15s}.msg.typing i:nth-child(3){animation-delay:.3s}
@keyframes dot{0%,80%,100%{transform:translateY(0);opacity:.4}40%{transform:translateY(-5px);opacity:1}}
@keyframes msgin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.ask-btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ask-btn{display:inline-block;padding:8px 14px;border-radius:4px;border:1.5px solid var(--ink);color:var(--ink);font-size:.9rem;font-weight:650;text-decoration:none;transition:background .2s,color .2s}
.ask-btn:hover{background:var(--ink);color:#fff}
.ask-btn--wa{background:var(--wa);border-color:var(--wa);color:#fff}
.ask-btn--wa:hover{background:var(--ink);border-color:var(--ink)}
.ask-chips{display:flex;flex-wrap:wrap;gap:8px;padding:14px 22px 4px;border-top:1px solid var(--line)}
.ask-chips button{font:inherit;font-size:.88rem;padding:7px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.ask-chips button:hover{border-color:var(--copper);color:var(--copper-d);background:var(--film)}
.ask-form{display:flex;gap:10px;padding:12px 22px 22px}
.ask-form input{flex:1;min-width:0;font:inherit;padding:13px 20px;border:1.5px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.ask-form input:focus{outline:none;border-color:var(--copper);box-shadow:0 0 0 4px rgba(208,138,62,.18)}
.ask-form .btn{border-radius:999px;padding:12px 28px}
@media (max-width:860px){
  section.ask .wrap{grid-template-columns:1fr}
  .ask-intro{position:static}.ask-intro h2{max-width:none}
  .ask-log{height:340px;padding:16px 14px 6px}.msg{max-width:94%}
  .ask-chips{padding:12px 14px 2px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.ask-chips button{flex:none}.ask-form{padding:10px 14px 16px}
}
@media (prefers-reduced-motion:reduce){.msg,.msg.typing i{animation:none}}