:root {
    --ink: #171a1d;
    --ink-soft: #3f474d;
    --paper: #f4f5f3;
    --white: #fff;
    --line: #d7dcd9;
    --line-dark: #343a3e;
    --orange: #e55b24;
    --orange-dark: #bd3f13;
    --green: #1d6f5d;
    --steel: #68767d;
    --max: 1240px;
    --shadow: 0 18px 50px rgb(22 31 35 / 10%);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.narrow-container { width: min(calc(100% - 48px), 780px); margin-inline: auto; }
.screen-reader-text {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: fixed; top: 12px; left: 12px; z-index: 9999; padding: 10px 16px;
    background: var(--white); transform: translateY(-150%); transition: transform .2s;
}
.skip-link:focus { transform: none; }

h1, h2, h3 { margin: 0; font-family: "Arial Narrow", "Roboto Condensed", "Segoe UI", sans-serif; line-height: 1.08; letter-spacing: 0; }
h1 { font-size: clamp(2.8rem, 5.8vw, 5.7rem); font-weight: 650; }
h2 { font-size: clamp(2.05rem, 3.8vw, 3.75rem); font-weight: 620; }
h3 { font-size: 1.45rem; }
p { margin: 0 0 1.25rem; }
.eyebrow {
    margin: 0 0 17px; color: var(--orange); font-size: .74rem; font-weight: 800;
    letter-spacing: .14em; line-height: 1.35;
}
.eyebrow.light { color: #ff9b70; }
.section { padding: 106px 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 48px; }
.section-heading h2 { max-width: 760px; }
.text-link { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-size: .88rem; font-weight: 750; }
.text-link span { color: var(--orange); font-size: 1.2rem; transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.light-link { color: var(--white); }
.button {
    display: inline-flex; min-height: 50px; align-items: center; justify-content: center;
    padding: 12px 22px; border: 1px solid transparent; border-radius: 2px;
    font-size: .8rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase;
    transition: background .2s, border-color .2s, color .2s, transform .2s;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: var(--white); background: var(--orange); }
.button-primary:hover { background: var(--orange-dark); }
.button-secondary { border-color: var(--line); background: var(--white); }
.button-secondary:hover { border-color: var(--ink); }
.button-dark { color: var(--white); background: var(--ink); }
.button-dark:hover { background: #30363a; }
.button-light { color: var(--ink); background: var(--white); }
.button-outline-light { color: var(--white); border-color: #747d81; background: transparent; }
.button-outline-light:hover { border-color: var(--white); }

.utility-bar { color: #d9dddf; background: #101316; font-size: .72rem; }
.utility-inner { min-height: 31px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.utility-inner a { color: #ff9b70; }
.site-header { position: relative; z-index: 100; background: var(--white); border-bottom: 1px solid #e1e4e2; }
.nav-wrap { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.brand > span:last-child { display: grid; }
.brand strong { max-width: 215px; overflow: hidden; color: var(--ink); font-size: .96rem; line-height: 1.1; white-space: nowrap; text-overflow: ellipsis; }
.brand small { margin-top: 5px; color: var(--steel); font-size: .5rem; font-weight: 750; letter-spacing: .12em; }
.custom-logo { max-width: 210px; max-height: 50px; width: auto; }
.brand-mark { width: 34px; height: 37px; display: flex; align-items: end; gap: 3px; }
.brand-mark i { display: block; width: 8px; background: var(--orange); transform: skewY(-20deg); }
.brand-mark i:nth-child(1) { height: 19px; }
.brand-mark i:nth-child(2) { height: 29px; background: var(--ink); }
.brand-mark i:nth-child(3) { height: 37px; background: var(--green); }
.site-nav { margin-left: auto; }
.site-nav ul { display: flex; align-items: center; gap: 29px; margin: 0; padding: 0; list-style: none; }
.site-nav a { position: relative; display: block; padding: 28px 0; font-size: .78rem; font-weight: 720; }
.site-nav a::after {
    content: ""; position: absolute; right: 0; bottom: 17px; left: 0; height: 2px;
    background: var(--orange); transform: scaleX(0); transform-origin: right; transition: transform .2s;
}
.site-nav a:hover::after, .site-nav .current-menu-item a::after { transform: scaleX(1); transform-origin: left; }
.button-header { min-height: 42px; padding-inline: 18px; color: var(--white); background: var(--ink); }
.nav-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: none; }
.nav-toggle > span:not(.screen-reader-text) { display: block; height: 2px; margin: 5px 0; background: var(--ink); }

.hero { position: relative; min-height: min(790px, calc(100vh - 109px)); overflow: hidden; color: var(--white); background: #262b2e; }
.hero-media { position: absolute; inset: 0; background: url("../images/hero-switchgear-room.webp") center center / cover no-repeat; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgb(11 14 16 / 92%) 0%, rgb(12 15 17 / 74%) 37%, rgb(12 15 17 / 10%) 78%); }
.hero::after { content: ""; position: absolute; right: 6%; bottom: 0; width: 1px; height: 27%; background: rgb(255 255 255 / 25%); }
.hero-content { position: relative; z-index: 1; display: flex; min-height: min(790px, calc(100vh - 109px)); flex-direction: column; justify-content: center; padding-top: 54px; padding-bottom: 54px; }
.hero h1 { max-width: 850px; }
.hero-lead { max-width: 675px; margin: 26px 0 30px; color: #dce1e3; font-size: 1.14rem; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 31px; }
.hero-facts { display: flex; gap: 50px; margin-top: 58px; }
.hero-facts div { display: grid; padding-left: 14px; border-left: 2px solid var(--orange); }
.hero-facts strong { font-size: 1.08rem; }
.hero-facts span { color: #aeb6ba; font-size: .73rem; }
.intro-band { color: var(--white); background: var(--green); }
.intro-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 90px; align-items: center; padding-block: 59px; }
.intro-grid h2 { font-size: clamp(1.75rem, 3vw, 2.7rem); }
.intro-grid > p { margin: 0; color: #d7e6e2; }

.products-section { background: var(--paper); }
.equipment-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #c8ceca; border-left: 1px solid #c8ceca; }
.equipment-card {
    position: relative; min-height: 500px; display: flex; flex-direction: column; padding: 28px;
    overflow: hidden; border-right: 1px solid #c8ceca; border-bottom: 1px solid #c8ceca; background: #f9faf8;
    transition: background .25s, color .25s, transform .25s;
}
.equipment-card:hover { z-index: 2; color: var(--white); background: #252a2d; transform: translateY(-5px); box-shadow: var(--shadow); }
.equipment-top { min-height: 128px; display: flex; justify-content: space-between; color: #929c97; font: 700 .76rem monospace; }
.equipment-symbol { position: relative; width: 94px; height: 110px; border: 1px solid #bfc6c2; }
.equipment-symbol::before, .equipment-symbol::after { content: ""; position: absolute; background: #bfc6c2; }
.equipment-symbol::before { top: 13px; bottom: 13px; left: 50%; width: 1px; }
.equipment-symbol::after { top: 50%; right: 13px; left: 13px; height: 1px; }
.equipment-symbol i { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--orange); }
.equipment-symbol i:nth-child(1) { top: 20px; left: 20px; }
.equipment-symbol i:nth-child(2) { top: 48px; right: 18px; }
.equipment-symbol i:nth-child(3) { bottom: 18px; left: 31px; background: var(--green); }
.equipment-card h3 { min-height: 62px; font-size: 1.7rem; }
.equipment-card > p { color: var(--ink-soft); font-size: .9rem; }
.equipment-card:hover > p { color: #cbd1d3; }
.equipment-detail { margin-top: auto; padding: 17px 0; border-top: 1px solid #d5d9d7; color: var(--steel); font-size: .73rem; line-height: 1.5; }
.equipment-card:hover .equipment-detail { border-color: #495055; color: #adb5b9; }
.equipment-card > a { display: flex; justify-content: space-between; padding-top: 15px; font-size: .78rem; font-weight: 800; }
.equipment-card > a span { color: var(--orange); }

.process-section { color: var(--white); background: #202528; }
.process-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.process-copy { padding-top: 17px; }
.process-copy p:not(.eyebrow) { max-width: 480px; margin: 25px 0 32px; color: #afb7bb; }
.process-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line-dark); }
.process-list li { display: grid; grid-template-columns: 60px 1fr; gap: 25px; padding: 27px 0; border-bottom: 1px solid var(--line-dark); }
.process-list li > span { color: var(--orange); font: 700 .75rem monospace; }
.process-list h3 { margin-bottom: 8px; font-size: 1.3rem; }
.process-list p { margin: 0; color: #aeb6ba; font-size: .86rem; }

.applications-section { background: var(--white); }
.application-tabs { border-top: 1px solid var(--line); }
.tab-list { display: grid; grid-template-columns: repeat(5, 1fr); border-bottom: 1px solid var(--line); }
.tab-list button {
    position: relative; padding: 24px 12px; border: 0; border-right: 1px solid var(--line);
    background: var(--white); color: var(--steel); font-size: .76rem; font-weight: 750; cursor: pointer;
}
.tab-list button:first-child { border-left: 1px solid var(--line); }
.tab-list button[aria-selected="true"] { color: var(--ink); background: var(--paper); }
.tab-list button[aria-selected="true"]::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; background: var(--orange); }
.tab-panels article { min-height: 355px; display: grid; grid-template-columns: .9fr 1.1fr; background: var(--paper); }
.tab-panels article > div:first-child { padding: 58px; }
.application-number { color: var(--orange); font: 700 .76rem monospace; }
.tab-panels h3 { margin: 16px 0; font-size: 2.4rem; }
.tab-panels p { max-width: 520px; color: var(--ink-soft); }
.technical-pattern { position: relative; min-height: 320px; overflow: hidden; background: #dadeDB; }
.technical-pattern::before {
    content: ""; position: absolute; inset: 30px;
    background: repeating-linear-gradient(90deg, transparent 0 72px, rgb(60 72 76 / 18%) 72px 73px),
                repeating-linear-gradient(0deg, transparent 0 72px, rgb(60 72 76 / 18%) 72px 73px);
}
.technical-pattern::after { content: ""; position: absolute; width: 180px; height: 180px; top: 50%; left: 50%; border: 28px solid var(--green); border-radius: 50%; transform: translate(-50%, -50%); opacity: .78; }
.technical-pattern i { position: absolute; z-index: 1; width: 12px; height: 12px; border-radius: 50%; background: var(--orange); }
.technical-pattern i:nth-child(1) { top: 19%; left: 26%; }
.technical-pattern i:nth-child(2) { top: 35%; right: 19%; }
.technical-pattern i:nth-child(3) { right: 34%; bottom: 18%; }
.technical-pattern i:nth-child(4) { bottom: 32%; left: 16%; }

.capability-section { padding-bottom: 0; background: var(--paper); }
.capability-grid { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 580px; }
.capability-image { position: relative; min-height: 560px; overflow: hidden; background: #d5d9d7; }
.capability-image img { width: 100%; height: 100%; object-fit: cover; }
.capability-image span { position: absolute; bottom: 0; left: 0; padding: 8px 12px; color: #eef1ef; background: rgb(19 23 25 / 75%); font-size: .64rem; }
.capability-copy { padding: 72px 70px; background: var(--white); }
.capability-copy > p:not(.eyebrow) { margin: 26px 0; color: var(--ink-soft); }
.check-list { margin: 0 0 35px; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 13px 0 13px 28px; border-bottom: 1px solid var(--line); font-size: .86rem; font-weight: 650; }
.check-list li::before { content: ""; position: absolute; top: 19px; left: 2px; width: 9px; height: 5px; border-bottom: 2px solid var(--green); border-left: 2px solid var(--green); transform: rotate(-45deg); }

.knowledge-section { background: var(--paper); }
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card { min-height: 270px; display: flex; flex-direction: column; padding: 30px; border-top: 3px solid var(--ink); background: var(--white); }
.article-card > span { color: var(--orange); font-size: .65rem; font-weight: 800; letter-spacing: .1em; }
.article-card h3 { margin: 28px 0 15px; }
.article-card p { color: var(--ink-soft); font-size: .86rem; }
.article-card .text-link { margin-top: auto; }
.cta-band { padding: 70px 0; color: var(--white); background: var(--orange); }
.cta-band .eyebrow { color: #ffd8c6; }
.cta-grid { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 50px; }
.cta-grid h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
.cta-grid p:not(.eyebrow) { max-width: 700px; margin: 14px 0 0; color: #ffe9df; }

.page-hero { position: relative; padding: 86px 0; color: var(--white); background: #22282b; overflow: hidden; }
.page-hero::after { content: ""; position: absolute; top: -80px; right: 5%; width: 390px; height: 390px; border: 55px solid rgb(255 255 255 / 4%); border-radius: 50%; }
.compact-hero h1, .rfq-hero h1 { max-width: 900px; font-size: clamp(2.7rem, 5vw, 4.8rem); }
.compact-hero p:not(.eyebrow), .rfq-hero p:not(.eyebrow) { max-width: 680px; margin: 22px 0 0; color: #bbc3c6; }
.breadcrumbs { position: relative; z-index: 2; display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-bottom: 45px; color: #9ea7ab; font-size: .68rem; }
.breadcrumbs a:hover { color: var(--orange); }
.breadcrumbs span:last-child { color: #d9dddf; }
.archive-section { background: var(--paper); }
.archive-layout { display: grid; grid-template-columns: 260px 1fr; gap: 55px; }
.filter-panel { align-self: start; padding: 24px; border-top: 3px solid var(--orange); background: var(--white); }
.filter-panel h2 { margin-bottom: 18px; font-size: 1.15rem; }
.filter-panel > a { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: .78rem; }
.filter-panel > a:hover, .filter-panel > a.active { color: var(--orange); }
.filter-panel > a span { color: var(--steel); }
.filter-help { margin: 25px -24px -24px; padding: 24px; color: var(--white); background: var(--green); }
.filter-help p { margin: 10px 0; color: #d3e5e0; font-size: .75rem; }
.filter-help a { font-size: .75rem; font-weight: 800; }
.archive-intro { display: flex; justify-content: space-between; gap: 30px; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.archive-intro span { flex: 0 0 auto; font-size: .76rem; font-weight: 800; }
.archive-intro p { max-width: 590px; margin: 0; color: var(--steel); font-size: .75rem; }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 25px; }
.product-card { border: 1px solid var(--line); background: var(--white); transition: transform .2s, box-shadow .2s; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.product-card-image { display: block; aspect-ratio: 1.55; overflow: hidden; background: #e8ebe9; }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; }
.product-card-body { padding: 27px; }
.product-family { color: var(--orange); font-size: .66rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.product-card h2 { margin: 11px 0; font-size: 1.55rem; }
.product-card p { color: var(--ink-soft); font-size: .83rem; }
.product-card dl { margin: 22px 0; border-top: 1px solid var(--line); }
.product-card dl div { display: grid; grid-template-columns: 85px 1fr; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: .7rem; }
.product-card dt { color: var(--steel); }
.product-card dd { margin: 0; font-weight: 650; }
.product-placeholder { width: 100%; height: 100%; display: grid; place-content: center; justify-items: center; gap: 20px; color: #7d8883; background: linear-gradient(135deg, #edf0ee, #d9dedb); }
.product-placeholder.large { min-height: 530px; }
.product-placeholder small { font-size: .64rem; letter-spacing: .07em; text-transform: uppercase; }
.cabinet-lines { width: 155px; height: 195px; display: flex; border: 2px solid #8f9a95; }
.cabinet-lines i { position: relative; flex: 1; border-right: 1px solid #8f9a95; }
.cabinet-lines i:last-child { border: 0; }
.cabinet-lines i::before { content: ""; position: absolute; top: 28px; left: 50%; width: 10px; height: 10px; border: 2px solid var(--orange); border-radius: 50%; transform: translateX(-50%); }
.nav-links { display: flex; gap: 8px; margin-top: 40px; }
.nav-links a, .nav-links .current { display: grid; min-width: 40px; height: 40px; place-items: center; border: 1px solid var(--line); background: var(--white); font-size: .76rem; }
.nav-links .current { color: var(--white); background: var(--ink); }

.product-hero { padding: 45px 0 82px; background: var(--paper); }
.product-hero .breadcrumbs { color: var(--steel); }
.product-hero .breadcrumbs span:last-child { color: var(--ink); }
.product-hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 70px; align-items: center; }
.product-gallery { min-height: 530px; background: var(--white); }
.product-gallery > img { width: 100%; height: 100%; min-height: 530px; object-fit: contain; }
.product-summary h1 { font-size: clamp(2.6rem, 5vw, 4.6rem); }
.product-lead { margin: 25px 0; color: var(--ink-soft); font-size: 1.02rem; }
.spec-summary { margin: 27px 0; border-top: 1px solid #cbd0cd; }
.spec-summary div { display: grid; grid-template-columns: 145px 1fr; padding: 11px 0; border-bottom: 1px solid #cbd0cd; font-size: .78rem; }
.spec-summary dt { color: var(--steel); }
.spec-summary dd { margin: 0; font-weight: 700; }
.product-actions { display: flex; gap: 10px; }
.microcopy { margin-top: 14px; color: var(--steel); font-size: .68rem; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 315px; gap: 80px; align-items: start; }
.entry-content { color: var(--ink-soft); }
.entry-content > *:first-child { margin-top: 0; }
.entry-content h2 { margin: 2.2em 0 .65em; color: var(--ink); font-size: 2rem; }
.entry-content h3 { margin: 1.8em 0 .6em; color: var(--ink); }
.entry-content a { color: var(--orange-dark); text-decoration: underline; text-underline-offset: 3px; }
.entry-content ul, .entry-content ol { padding-left: 1.2rem; }
.entry-content details { border-top: 1px solid var(--line); }
.entry-content details:last-child { border-bottom: 1px solid var(--line); }
.entry-content summary { padding: 18px 0; color: var(--ink); font-weight: 750; cursor: pointer; }
.entry-content details p { padding: 0 25px 15px 0; font-size: .9rem; }
.rfq-aside { position: sticky; top: 25px; padding: 32px; color: var(--white); background: var(--green); }
.rfq-aside > span { color: #a8d2c7; font-size: .64rem; font-weight: 800; letter-spacing: .1em; }
.rfq-aside h2 { margin: 14px 0; font-size: 2rem; }
.rfq-aside p { color: #d3e4df; font-size: .84rem; }
.rfq-aside .button { width: 100%; margin: 10px 0 23px; }
.rfq-aside ul { margin: 0; padding: 17px 0 0; border-top: 1px solid rgb(255 255 255 / 20%); list-style: none; }
.rfq-aside li { padding: 5px 0; color: #d3e4df; font-size: .72rem; }
.rfq-aside li::before { content: "+ "; color: #ffad88; font-weight: 800; }

.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.solution-card { min-height: 320px; display: flex; flex-direction: column; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.solution-card > span { color: var(--orange); font: 700 .76rem monospace; }
.solution-card h2 { margin: 48px 0 15px; font-size: 1.8rem; }
.solution-card p { color: var(--ink-soft); font-size: .86rem; }
.solution-card .text-link { margin-top: auto; }
.article-hero { padding: 75px 0; background: var(--paper); }
.article-hero .breadcrumbs { color: var(--steel); }
.article-hero .breadcrumbs span:last-child { color: var(--ink); }
.article-hero h1 { font-size: clamp(2.5rem, 5vw, 4.4rem); }
.article-hero > div > p:not(.eyebrow) { margin: 24px 0; color: var(--ink-soft); font-size: 1.07rem; }
.article-hero > div > span { color: var(--steel); font-size: .72rem; }
.page-content { max-width: 960px; }
.error-page { min-height: 68vh; display: grid; place-items: center; text-align: center; background: var(--paper); }
.error-page span { display: block; color: var(--orange); font: 800 1rem monospace; }
.error-page h1 { margin: 14px 0; font-size: clamp(2.4rem, 5vw, 4.7rem); }
.error-page p { color: var(--ink-soft); }

.rfq-hero { padding-bottom: 95px; }
.rfq-section { background: var(--paper); }
.rfq-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 55px; align-items: start; }
.rfq-layout > div:first-child { padding: 45px; background: var(--white); box-shadow: var(--shadow); }
.rfq-intro { margin-bottom: 30px; }
.rfq-intro > span { color: var(--orange); font-size: .68rem; font-weight: 800; letter-spacing: .1em; }
.rfq-intro h2 { margin: 8px 0; font-size: 2.1rem; }
.rfq-intro p { color: var(--steel); font-size: .78rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.rfq-form label { display: grid; gap: 7px; margin-bottom: 20px; color: var(--ink); font-size: .74rem; font-weight: 720; }
.rfq-form input, .rfq-form select, .rfq-form textarea {
    width: 100%; border: 1px solid #c9cfcc; border-radius: 0; outline: 0; background: #fbfcfb;
    color: var(--ink); font-size: .86rem; font-weight: 400; transition: border-color .2s, box-shadow .2s;
}
.rfq-form input, .rfq-form select { height: 48px; padding: 0 13px; }
.rfq-form textarea { padding: 13px; resize: vertical; }
.rfq-form input:focus, .rfq-form select:focus, .rfq-form textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgb(29 111 93 / 10%); }
.file-field { padding: 18px; border: 1px dashed #aeb7b3; background: var(--paper); }
.file-field input { height: auto; padding: 8px; background: var(--white); }
.file-field small { color: var(--steel); font-weight: 400; }
.rfq-form .consent { display: flex; grid-template-columns: 18px 1fr; align-items: start; gap: 9px; color: var(--ink-soft); font-weight: 400; }
.rfq-form .consent input { width: 17px; height: 17px; margin-top: 3px; }
.form-notice { margin-bottom: 25px; padding: 14px 17px; border-left: 3px solid; font-size: .82rem; }
.form-notice.success { border-color: var(--green); background: #eaf5f1; }
.form-notice.error { border-color: #b92d2d; background: #f8eaea; }
.rfq-guide { position: sticky; top: 25px; padding: 32px; color: var(--white); background: #22282b; }
.rfq-guide h2 { font-size: 1.8rem; }
.rfq-guide ol { margin: 27px 0; padding: 0; list-style: none; }
.rfq-guide li { display: grid; grid-template-columns: 35px 1fr; gap: 13px; padding: 18px 0; border-bottom: 1px solid #3c4448; }
.rfq-guide li > span { color: var(--orange); font: 700 .68rem monospace; }
.rfq-guide li p { margin: 5px 0 0; color: #abb4b8; font-size: .74rem; }
.privacy-note { padding: 18px; background: #30373a; }
.privacy-note p { margin: 6px 0 0; color: #b8c0c3; font-size: .7rem; }

.site-footer { padding-top: 68px; color: #c2c8ca; background: #15191b; }
.footer-grid { display: grid; grid-template-columns: 1.35fr 1fr 1fr 1.1fr; gap: 65px; padding-bottom: 57px; }
.brand-light strong { color: var(--white); }
.footer-grid > div:first-child p { max-width: 330px; margin-top: 24px; color: #8f999d; font-size: .78rem; }
.footer-grid h2 { margin-bottom: 18px; color: var(--white); font: 800 .7rem Inter, sans-serif; letter-spacing: .1em; text-transform: uppercase; }
.footer-grid > div:not(:first-child) > a:not(.button) { display: block; padding: 5px 0; color: #99a2a6; font-size: .76rem; }
.footer-grid > div:not(:first-child) > a:hover { color: var(--white); }
.footer-grid > div:last-child p { color: #99a2a6; font-size: .76rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 19px 0; border-top: 1px solid #303639; color: #737e82; font-size: .66rem; }
.whatsapp-float {
    position: fixed; z-index: 90; right: 22px; bottom: 22px; display: flex; align-items: center; gap: 9px;
    min-height: 48px; padding: 6px 15px 6px 7px; border-radius: 24px; color: var(--white); background: #178a68;
    box-shadow: 0 8px 30px rgb(0 0 0 / 22%); font-size: .72rem;
}
.whatsapp-float span { width: 34px; height: 34px; display: grid; place-items: center; border: 1px solid rgb(255 255 255 / 55%); border-radius: 50%; font-size: .58rem; font-weight: 850; }

@media (max-width: 1080px) {
    .site-nav ul { gap: 18px; }
    .button-header { display: none; }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .equipment-card { min-height: 440px; }
    .process-grid { gap: 65px; }
    .capability-copy { padding: 55px 45px; }
    .footer-grid { gap: 35px; }
}

@media (max-width: 820px) {
    .container, .narrow-container { width: min(calc(100% - 32px), var(--max)); }
    .utility-bar { display: none; }
    .nav-wrap { min-height: 68px; }
    .nav-toggle { display: block; margin-left: auto; }
    .site-nav {
        position: fixed; z-index: 98; top: 68px; right: 0; bottom: 0; left: 0; display: none;
        padding: 25px 16px; overflow: auto; background: var(--white);
    }
    .site-nav.open { display: block; }
    .site-nav ul { display: block; }
    .site-nav a { padding: 16px 5px; border-bottom: 1px solid var(--line); font-size: .95rem; }
    .site-nav a::after { display: none; }
    .section { padding: 78px 0; }
    .hero, .hero-content { min-height: 680px; }
    .hero-shade { background: linear-gradient(90deg, rgb(11 14 16 / 92%), rgb(11 14 16 / 48%)); }
    .intro-grid, .process-grid, .capability-grid, .product-hero-grid, .content-layout, .rfq-layout { grid-template-columns: 1fr; }
    .intro-grid { gap: 25px; }
    .process-grid { gap: 55px; }
    .tab-list { grid-template-columns: repeat(2, 1fr); }
    .tab-panels article { grid-template-columns: 1fr; }
    .technical-pattern { min-height: 250px; }
    .capability-image { min-height: 430px; }
    .capability-section { padding-bottom: 78px; }
    .article-grid { grid-template-columns: 1fr 1fr; }
    .cta-grid { grid-template-columns: 1fr; }
    .archive-layout { grid-template-columns: 1fr; }
    .filter-panel { position: static; }
    .solution-grid { grid-template-columns: 1fr 1fr; }
    .rfq-aside, .rfq-guide { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
    .section { padding: 62px 0; }
    h1 { font-size: 2.75rem; }
    h2 { font-size: 2.1rem; }
    .brand strong { max-width: 170px; }
    .brand small { font-size: .43rem; }
    .hero, .hero-content { min-height: 670px; }
    .hero-content { padding-top: 38px; }
    .hero h1 { font-size: 3rem; }
    .hero-lead { font-size: .96rem; }
    .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
    .hero-facts { width: 100%; gap: 0; justify-content: space-between; margin-top: 45px; }
    .hero-facts div { padding-left: 8px; }
    .hero-facts span { font-size: .62rem; }
    .section-heading { align-items: start; flex-direction: column; margin-bottom: 32px; }
    .equipment-grid, .product-grid, .article-grid, .solution-grid { grid-template-columns: 1fr; }
    .equipment-card { min-height: 410px; }
    .process-list li { grid-template-columns: 45px 1fr; gap: 12px; }
    .tab-list { display: flex; overflow-x: auto; }
    .tab-list button { min-width: 160px; }
    .tab-panels article > div:first-child { padding: 35px 25px; }
    .capability-copy { padding: 40px 25px; }
    .capability-image { min-height: 340px; }
    .archive-intro { flex-direction: column; gap: 8px; }
    .product-placeholder.large, .product-gallery, .product-gallery > img { min-height: 380px; }
    .product-actions { align-items: stretch; flex-direction: column; }
    .spec-summary div { grid-template-columns: 125px 1fr; }
    .rfq-layout > div:first-child { padding: 27px 20px; }
    .form-grid { grid-template-columns: 1fr; gap: 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; }
    .whatsapp-float b { display: none; }
    .whatsapp-float { right: 13px; bottom: 13px; padding-right: 7px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}