:root {
  --paper: #F2F0E9;
  --paper-2: #E9E6DC;
  --ink: #16181A;
  --ink-2: #23262A;
  --muted: #5C5E58;
  --rule: #CFCABD;
  --green: #14803F;      /* fills with white text (5.0:1) */
  --green-text: #0E6631; /* green text on paper (6.2:1) */
  --green-lite: #3DBE6E; /* green on ink (7.4:1) */
  --yellow: #F2C100;
  --on-ink: #F2F0E9;
  --on-ink-muted: #9EA39B;
  --sans: "Barlow", system-ui, sans-serif;
  --cond: "Barlow Semi Condensed", "Barlow", system-ui, sans-serif;
  /* type scale: every font size on the site comes from here */
  --fs-1: 14px;                              /* labels, meta (13px loses the i-dots at 1x) */
  --fs-2: 15.5px;                            /* secondary text */
  --fs-3: 18px;                              /* body */
  --fs-4: clamp(19px, 1.6vw, 21px);          /* lead, card titles */
  --fs-5: clamp(22px, 2vw, 26px);            /* large lead, lists */
  --fs-6: clamp(2.1rem, 3.8vw, 3.4rem);      /* section titles */
  --fs-title: clamp(2.4rem, 4.8vw, 4.4rem);  /* product page titles */
  --fs-display: clamp(2.8rem, 6vw, 5.4rem);  /* homepage headline */
  --wrap: 1240px;
  --gut: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 var(--fs-3)/1.6 var(--sans); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--cond); font-weight: 700; line-height: 1.02; letter-spacing: -0.005em; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

.label { display: flex; align-items: center; gap: 10px; font: 600 var(--fs-1)/1 var(--cond); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border: 1.5px solid transparent; font: 600 var(--fs-3)/1 var(--sans); text-decoration: none; cursor: pointer; transition: background-color .2s, color .2s, border-color .2s; }
.btn--sm { min-height: 40px; padding: 0 16px; font-size: var(--fs-2); }
.btn--green { background: var(--green); color: #fff; }
.btn--green:hover { background: var(--green-text); }
.btn--line { border-color: var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--paper); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover { background: var(--green-text); }
.btn--block { width: 100%; flex-wrap: wrap; row-gap: 2px; padding-block: 10px; }
.btn__num { font-weight: 400; opacity: .85; }
.btn[disabled] { opacity: .6; cursor: progress; }
.ico { width: 20px; height: 20px; }

/* header */

.header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.header__in { display: flex; align-items: center; gap: 24px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand img { width: 44px; height: 44px; }
.brand__name { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name b { font: 700 var(--fs-4)/1 var(--cond); letter-spacing: .04em; }
.brand__name small { font: 500 var(--fs-1)/1.2 var(--sans); color: var(--muted); letter-spacing: .02em; }
.nav { display: flex; gap: 4px; }
.nav a { padding: 8px 12px; font-size: var(--fs-2); font-weight: 500; text-decoration: none; border-bottom: 2px solid transparent; }
.nav a:hover { border-color: var(--yellow); }
.header__actions { display: flex; align-items: center; gap: 10px; }
.lang { display: flex; text-decoration: none; height: 40px; border: 1px solid var(--ink); background: none; padding: 0; font: 600 var(--fs-1)/1 var(--cond); cursor: pointer; color: var(--ink); }
.lang span { display: grid; place-items: center; width: 38px; }
.lang__on { background: var(--ink); color: var(--paper); }
.menu { display: none; width: 44px; height: 40px; border: 1px solid var(--ink); background: none; cursor: pointer; flex-direction: column; justify-content: center; align-items: center; gap: 6px; }
.menu span { width: 18px; height: 1.5px; background: var(--ink); transition: transform .2s; }
.menu[aria-expanded="true"] span:first-child { transform: translateY(3.75px) rotate(45deg); }
.menu[aria-expanded="true"] span:last-child { transform: translateY(-3.75px) rotate(-45deg); }

@media (max-width: 980px) {
  .menu { display: flex; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--rule); padding: 8px var(--gut) 16px; }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: var(--fs-3); }
}
@media (max-width: 520px) { .header__wa, .brand__name small { display: none; } }

/* hero */
.hero { padding: clamp(40px, 7vw, 88px) 0 0; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 { margin: 22px 0 24px; font-size: var(--fs-display); line-height: .96; letter-spacing: -0.01em; }
.hero h1 em { font-style: normal; color: var(--green-text); }
.hero__sub { max-width: 34em; font-size: var(--fs-4); line-height: 1.5; color: var(--muted); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.drawing { margin: 0; border: 1px solid var(--ink); background: #F7F6F1; }
.dwg { width: 100%; height: auto; color: var(--ink); padding: 10px; }
.dwg__grid path { stroke: var(--rule); stroke-width: .5; opacity: .6; }
.dwg__axis { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 18 4 3 4; }
.dwg__solid { fill: #F7F6F1; stroke: currentColor; stroke-width: 1.6; }
.dwg__line { fill: none; stroke: currentColor; stroke-width: 1.6; }
.dwg__thin, .dwg__ext { fill: none; stroke: currentColor; stroke-width: 1; }
.dwg__hatch { fill: url(#hatch); stroke: currentColor; stroke-width: 1.2; }
.dwg__solidbg { fill: url(#hatch); }
.dwg__seal { fill: var(--ink); }
.dwg__dim, .dwg__stroke { color: var(--muted); }
.dwg__dim line, .dwg__dim path, .dwg__stroke line, .dwg__stroke path { stroke: currentColor; stroke-width: 1; fill: none; }
.dwg text { font: 600 16px var(--cond); fill: currentColor; text-anchor: middle; stroke: none; }
.dwg__stroke { color: var(--green-text); }
.dwg__air { color: var(--green-text); }
.dwg__air path { stroke: currentColor; stroke-width: 2; fill: none; }
.dwg__balloon path, .dwg__balloon circle { fill: #F7F6F1; stroke: var(--ink); stroke-width: 1; }
.dwg__balloon path { fill: none; }
.dwg__balloon text { font-size: 13px; fill: var(--ink); }

/* one purposeful stroke: air in, piston out, stroke dimension appears */
.dwg__piston { animation: stroke 1.4s cubic-bezier(.65, 0, .35, 1) .5s both; }
.dwg__stroke { animation: fadein .5s ease 1.7s both; }
.dwg__air { animation: air 1.2s ease .2s both; }
@keyframes stroke { from { transform: translateX(0); } to { transform: translateX(120px); } }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
@keyframes air { 0% { opacity: 0; transform: translateY(-12px); } 60%, 100% { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .dwg__piston, .dwg__stroke, .dwg__air { animation-duration: 1ms; animation-delay: 0s; } html { scroll-behavior: auto; } }

.titleblock { display: grid; grid-template-columns: 1fr 1.6fr; border-top: 1px solid var(--ink); font: 500 var(--fs-2)/1.4 var(--sans); }
.titleblock__legend { list-style: none; margin: 0; padding: 12px 14px; display: grid; gap: 4px; border-right: 1px solid var(--ink); }
.titleblock__legend li { display: flex; gap: 10px; }
.titleblock__legend b { display: inline-grid; place-items: center; flex: none; width: 22px; height: 22px; border: 1px solid var(--ink); border-radius: 50%; font: 600 var(--fs-1)/1 var(--cond); }
.titleblock__meta { margin: 0; display: grid; }
.titleblock__meta div { display: grid; grid-template-columns: 112px 1fr; padding: 9px 14px; border-bottom: 1px solid var(--rule); align-items: center; }
.titleblock__meta div:last-child { border-bottom: 0; }
.titleblock dt { color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font: 600 var(--fs-1)/1.4 var(--cond); }
.titleblock dd { margin: 0; }

.facts { list-style: none; margin: clamp(48px, 6vw, 80px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--ink); }
.facts li { padding: 22px 24px 28px 0; display: grid; gap: 6px; }
.facts li + li { padding-left: 24px; border-left: 1px solid var(--rule); }
.facts b { font: 700 var(--fs-4)/1.2 var(--cond); }
.facts span { font-size: var(--fs-2); color: var(--muted); line-height: 1.45; }

@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts li:nth-child(3) { padding-left: 0; border-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 520px) {
  .titleblock { grid-template-columns: 1fr; }
  .titleblock__legend { border-right: 0; border-bottom: 1px solid var(--ink); grid-template-columns: 1fr 1fr; }
  .facts { grid-template-columns: 1fr; }
  .facts li, .facts li + li { padding-left: 0; border-left: 0; }
  .facts li + li { border-top: 1px solid var(--rule); }
}

/* sections */
.sec { padding: clamp(72px, 10vw, 128px) 0; border-top: 1px solid var(--ink); }
.sec--alt { background: var(--paper-2); }
.sec__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); }
.sec__head h2 { margin-top: 0; font-size: var(--fs-6); }
.sec__head--wide { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); column-gap: clamp(32px, 6vw, 96px); margin-bottom: clamp(40px, 5vw, 64px); }
.sec__head--wide > p:not(.label) { align-self: end; max-width: 36em; color: var(--muted); }
.sec__body { display: grid; gap: 20px; align-content: start; }
.sec__body > p { max-width: 38em; color: var(--muted); }
.sec__body > p.lead { font-size: var(--fs-5); line-height: 1.45; color: var(--ink); }
@media (max-width: 860px) { .sec__grid, .sec__head--wide { grid-template-columns: 1fr; } .sec__head--wide > p:not(.label) { margin-top: 16px; } }

.chain { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--ink); counter-reset: c; }
.chain li { position: relative; padding: 18px 18px 20px; display: grid; gap: 4px; }
.chain li + li { border-left: 1px solid var(--ink); }
.chain li + li::before { content: ""; position: absolute; left: -7px; top: 50%; width: 12px; height: 12px; background: var(--paper); border: 1px solid var(--ink); border-left: 0; border-bottom: 0; transform: translateY(-50%) rotate(45deg); }
.chain li:nth-child(2) { background: var(--ink); color: var(--paper); }
.chain li:nth-child(2) .chain__k { color: var(--yellow); }
.chain li:nth-child(2) span:last-child { color: var(--on-ink-muted); }
.chain li:nth-child(2) + li::before { background: var(--ink); border-color: var(--ink); }
.chain__k { font: 600 var(--fs-1)/1.3 var(--cond); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.chain b { font: 700 var(--fs-4)/1.2 var(--cond); }
.chain span:last-child { font-size: var(--fs-2); color: var(--muted); }
@media (max-width: 600px) {
  .chain { grid-template-columns: 1fr; }
  .chain li + li { border-left: 0; border-top: 1px solid var(--ink); }
  .chain li + li::before { left: 24px; top: -7px; transform: rotate(135deg); }
}


.spec { margin: 12px 0 0; border-top: 1px solid var(--ink); }
.spec div { display: grid; grid-template-columns: minmax(130px, 1fr) 2fr; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.spec dt { font: 600 var(--fs-1)/1.6 var(--cond); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding-top: 2px; }
.spec dd { margin: 0; font-weight: 600; }
.spec dd a { color: var(--green-text); }

/* products */
.sec--ink { background: var(--ink); color: var(--on-ink); border-top-color: var(--ink); }
.sec--ink .label { color: var(--on-ink-muted); }
.sec--ink .sec__head--wide > p:not(.label) { color: var(--on-ink-muted); }
.catalog { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #3A3E42; border-left: 1px solid #3A3E42; }
.part { position: relative; display: grid; grid-template-rows: auto auto 1fr auto; gap: 8px; padding: 28px 28px 24px; border-right: 1px solid #3A3E42; border-bottom: 1px solid #3A3E42; transition: background-color .25s; }
.part:hover { background: var(--ink-2); }
.part__img { display: block; width: 100%; height: 132px; object-fit: contain; object-position: left bottom; margin-bottom: 18px; }
.part__no { position: absolute; top: 24px; right: 24px; font: 600 var(--fs-1)/1 var(--cond); font-variant-numeric: tabular-nums; color: var(--on-ink-muted); }
.part h3 { font-size: var(--fs-4); }
.part p { font-size: var(--fs-2); color: var(--on-ink-muted); line-height: 1.5; }
.part h3 a { text-decoration: none; }
.part h3 a:hover { text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 4px; }
.part__links { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 4px 22px; }
.part__more, .part__ask { font: 600 var(--fs-2)/1 var(--sans); text-decoration: none; padding: 8px 0; border-bottom: 1px solid transparent; }
.part__more { color: var(--on-ink); }
.part__ask { color: var(--green-lite); }
.part__more:hover, .part__ask:hover { border-color: currentColor; }
@media (max-width: 980px) { .catalog { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .catalog { grid-template-columns: 1fr; } .part { grid-template-columns: 96px 1fr; grid-template-rows: none; column-gap: 18px; padding: 22px 16px; } .part .part__img { width: 96px; height: 72px; grid-row: span 3; margin: 0; object-position: center; } .part .part__no { position: static; grid-column: 2; } .part h3, .part p, .part__links { grid-column: 2; } .part__links { margin-top: 4px; } }


/* contact */
.contact { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact__info { display: grid; gap: 22px; }
.contact__info h2 { font-size: var(--fs-6); }
.contact__info > p:not(.label) { color: var(--muted); max-width: 32em; }
.spec--contact div { grid-template-columns: 100px 1fr; }
.spec--contact dd { font-weight: 500; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }

.form { display: grid; gap: 18px; padding: clamp(22px, 3vw, 36px); background: #FBFAF6; border: 1px solid var(--ink); }
.form h3 { font-size: var(--fs-4); margin-bottom: 4px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .form__row { grid-template-columns: 1fr; } }
.form label { display: grid; gap: 6px; font: 600 var(--fs-1)/1.3 var(--cond); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.form label > span { display: inline; }
.form label:has([required]) > span::after { content: " *"; color: var(--green-text); }
.form input, .form select, .form textarea { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid var(--rule); border-bottom: 1.5px solid var(--ink); border-radius: 0; background: #fff; color: var(--ink); font: 400 var(--fs-3)/1.4 var(--sans); text-transform: none; letter-spacing: 0; }
.form textarea { resize: vertical; }
.form select { appearance: none; background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%2316181A' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 14px center; padding-right: 36px; }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 25%, transparent); }
.form [aria-invalid="true"] { border-color: #B3261E; }
.hp { position: absolute; left: -9999px; }
.cf-turnstile:empty { display: none; }
.form__status { font-size: var(--fs-2); }
.form__status:empty { margin-top: -18px; }
.form__status.ok { color: var(--green-text); font-weight: 600; }
.form__status.err { color: #B3261E; }
.form__note { font-size: var(--fs-1); color: var(--muted); }

/* faq */
.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 24px; padding: 20px 0; font-size: var(--fs-3); font-weight: 600; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 500 var(--fs-5)/1 var(--sans); color: var(--green-text); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 22px; max-width: 42em; color: var(--muted); }

/* footer */
.footer { background: var(--ink); color: var(--on-ink-muted); padding: 56px 0 40px; font-size: var(--fs-2); }
.footer__in { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; }
.footer__brand { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.footer__brand img { width: 48px; height: 48px; background: var(--paper); padding: 4px; }
.footer__brand p { flex-basis: 100%; margin-top: 10px; }
.footer__brand b { color: var(--on-ink); }
.footer__nav { display: grid; gap: 8px; align-content: start; }
.footer__nav a { text-decoration: none; color: var(--on-ink); }
.footer__nav a:hover { color: var(--yellow); }
.footer__legal { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid #3A3E42; font-size: var(--fs-1); }

/* floating whatsapp */
.fab { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 56px; height: 56px; display: grid; place-items: center; background: #25D366; color: var(--ink); border: 1.5px solid var(--ink); transition: transform .25s, opacity .25s; }
.fab svg { width: 28px; height: 28px; }
.fab.is-hidden { opacity: 0; transform: translateY(16px); pointer-events: none; }

/* product pages */
.phero { padding: clamp(28px, 5vw, 56px) 0 clamp(56px, 8vw, 96px); }
.phero h1 { margin: 0 0 22px; font-size: var(--fs-title); line-height: .98; letter-spacing: -0.01em; }
.crumbs ol { list-style: none; margin: 0 0 28px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; font: 500 var(--fs-1)/1.4 var(--sans); letter-spacing: 0; color: var(--muted); }
.crumbs li + li::before { content: "/"; margin-right: 6px; }
.crumbs a { color: var(--ink); }
.drawing--icon .drawing__art { display: grid; place-items: center; padding: clamp(28px, 5vw, 56px); background-image: linear-gradient(var(--rule) .5px, transparent .5px), linear-gradient(90deg, var(--rule) .5px, transparent .5px); background-size: 24px 24px; }
.drawing__img { display: block; width: 100%; max-width: 460px; height: auto; max-height: 320px; object-fit: contain; }

.sec__note { margin-top: 20px; max-width: 30em; font-size: var(--fs-2); color: var(--muted); }
.catlink { display: inline-block; margin-top: 18px; font: 600 var(--fs-2)/1.4 var(--sans); color: var(--green-text); }
.series { display: grid; gap: 36px; align-content: start; }
.series__group h3 { font-size: var(--fs-1); text-transform: uppercase; letter-spacing: .08em; padding-bottom: 12px; border-bottom: 1px solid var(--ink); }
.series__group ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); column-gap: 24px; }
.series__group li { padding: 11px 0; border-bottom: 1px solid var(--rule); font-weight: 500; }

.ticks { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--ink); align-self: start; }
.ticks li { display: flex; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--rule); }

.others { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #3A3E42; border-left: 1px solid #3A3E42; }
.others a { position: relative; display: grid; gap: 10px; height: 100%; padding: 20px 20px 22px; border-right: 1px solid #3A3E42; border-bottom: 1px solid #3A3E42; text-decoration: none; font: 700 var(--fs-3)/1.2 var(--cond); transition: background-color .25s; }
.others a:hover { background: var(--ink-2); }
.others .part__img { height: 72px; margin: 0; }
.others .part__no { top: 18px; right: 18px; }
@media (max-width: 980px) { .others { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .others .part__img { height: 56px; } .others a { padding: 16px; font-size: var(--fs-2); } }

/* 404 */
.nf-links { list-style: none; margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); border-top: 1px solid var(--ink); column-gap: 24px; }
.nf-links a { display: block; padding: 14px 0; border-bottom: 1px solid var(--rule); font-weight: 600; text-decoration: none; }
.nf-links a:hover { color: var(--green-text); }

/* about: us + Pneumax */
.about__logos { display: flex; align-items: center; gap: 16px; margin: 28px 0 32px; }
.about__logos img { width: 64px; height: 64px; }
.about__x { width: 28px; height: 1px; background: var(--ink); }
.chain--stack { grid-template-columns: 1fr; margin: 0; max-width: 360px; }
.chain--stack li + li { border-left: 0; border-top: 1px solid var(--ink); }
.chain--stack li + li::before { left: 24px; top: -7px; transform: rotate(135deg); }
.about__pnx { margin-top: 12px; padding-top: 28px; border-top: 1px solid var(--rule); display: grid; gap: 12px; scroll-margin-top: 96px; }
.about__pnx h3 { font-size: var(--fs-4); }
.about__pnx p { max-width: 38em; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin: 12px 0 0; border-top: 1px solid var(--ink); }
.stats div { display: flex; flex-direction: column-reverse; gap: 4px; padding: 16px 16px 0 0; }
.stats div + div { padding-left: 16px; border-left: 1px solid var(--rule); }
.stats dd { margin: 0; font: 700 var(--fs-6)/1 var(--cond); }
.stats dt { font: 600 var(--fs-1)/1.3 var(--cond); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
@media (max-width: 860px) { .chain--stack { max-width: none; } }
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats div:nth-child(3) { padding-left: 0; border-left: 0; }
  .stats div:nth-child(n+3) { margin-top: 16px; }
}

/* industries -> product lines */
.inds { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.inds > li { padding: 24px 24px 28px 0; border-bottom: 1px solid var(--rule); display: grid; gap: 14px; align-content: start; }
.inds > li:not(:nth-child(3n+1)) { padding-left: 24px; border-left: 1px solid var(--rule); }
.inds h3 { font-size: var(--fs-4); }
.inds__links { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.inds__links a { color: var(--green-text); font-weight: 600; font-size: var(--fs-2); text-decoration: none; }
.inds__links a::after { content: " →"; }
.inds__links a:hover { text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 860px) {
  .inds { grid-template-columns: 1fr 1fr; }
  .inds > li:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .inds > li:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--rule); }
}
@media (max-width: 560px) {
  .inds { grid-template-columns: 1fr; }
  .inds > li:nth-child(even) { padding-left: 0; border-left: 0; }
}
.faq__wa { margin-top: 24px; }


/* rotatable 3D on product pages */
.drawing__art { position: relative; }
.drawing--icon .drawing__art { padding-bottom: 68px; } /* room for the Putar 3D button */
.drawing__art canvas { position: absolute; inset: 0; cursor: grab; }
.drawing__art canvas:active { cursor: grabbing; }
.drawing__art.is-3d .drawing__img { visibility: hidden; }
.v3d { position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px;
  border: 1px solid var(--ink); background: var(--paper); color: var(--ink); font: 600 var(--fs-2)/1 var(--sans); cursor: pointer; }
.v3d::before { content: "↻"; font-size: 1.2em; }
.v3d:hover { background: var(--ink); color: var(--paper); }
.v3d[disabled] { opacity: .6; cursor: progress; }
.drawing__art.is-3d .v3d { display: none; }
.v3d__hint { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); padding: 6px 12px; pointer-events: none;
  background: color-mix(in srgb, var(--paper) 88%, transparent); font: 500 var(--fs-1)/1 var(--sans); color: var(--muted); transition: opacity .6s; }
.v3d__hint.is-faded { opacity: 0; }