:root {
  --ink: #0d1520;
  --ink-2: #16212f;
  --ink-3: #223044;
  --steel: #5d6b7c;
  --line: #dfe4ea;
  --line-dark: #2c3a4e;
  --paper: #f5f6f8;
  --white: #ffffff;
  --text: #1a2330;
  --muted: #5b6676;
  --accent: #ff6a1a;
  --accent-2: #e85300;
  --ok: #1f9d63;
  --err: #d63b2f;
  --radius: 4px;
  --wrap: 1240px;
  --head-h: 72px;
  --f-head: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, h4 { font-family: var(--f-head); line-height: 1.12; margin: 0; letter-spacing: -0.015em; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--f-mono); }
.sr-only { position: absolute; left: 0; top: 0; width: 1px; height: 1px; padding: 0; border: 0; overflow: hidden; clip: rect(0 0 0 0); }
.field { position: relative; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px; border-radius: var(--radius);
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; transition: transform .2s; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.1); border-color: #fff; }
.btn-line { border-color: var(--ink); color: var(--ink); }
.btn-line:hover { background: var(--ink); color: #fff; }
.btn-sm { padding: 9px 14px; font-size: 14px; }
.link-arrow { font-weight: 600; color: var(--accent-2); text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.link-arrow:hover { text-decoration: underline; }
.link-arrow svg { width: 16px; height: 16px; flex: 0 0 16px; }

/* ---------- top bar + header ---------- */
.topbar { background: var(--ink); color: #aab4c2; font-size: 13px; }
.topbar .wrap { display: flex; justify-content: space-between; gap: 16px; padding-top: 8px; padding-bottom: 8px; }
.topbar a { text-decoration: none; color: #dfe5ec; }
.topbar a:hover { color: var(--accent); }
.topbar-l, .topbar-r { display: flex; gap: 22px; align-items: center; }

.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header .wrap { display: flex; align-items: center; height: var(--head-h); gap: 28px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.logo-mark { width: 34px; height: 34px; }
.logo-text { font-family: var(--f-head); font-weight: 800; font-size: 20px; letter-spacing: .02em; line-height: 1; }
.logo-text small { display: block; font-family: var(--f-body); font-size: 10px; font-weight: 600; letter-spacing: .16em; color: var(--steel); margin-top: 3px; }
.nav { display: flex; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 12px; text-decoration: none; font-size: 14.5px; font-weight: 500;
  color: var(--text); border-radius: var(--radius); position: relative; white-space: nowrap;
}
@media (max-width: 1180px) { .nav a { padding: 8px 8px; font-size: 14px; } .header .wrap { gap: 18px; } }
.nav a:hover { color: var(--accent-2); }
.nav a.active { color: var(--ink); font-weight: 700; }
.nav a.active::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: -2px; height: 2px; background: var(--accent); }
.menu-btn { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; transition: .2s; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: calc(100vh - var(--head-h) - 36px); min-height: 640px; color: #fff; display: flex; align-items: flex-end; overflow: hidden; background: var(--ink); }
.hero video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(8,13,21,.92) 0%, rgba(8,13,21,.7) 45%, rgba(8,13,21,.25) 100%),
              linear-gradient(0deg, rgba(8,13,21,.85) 0%, rgba(8,13,21,0) 45%);
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: 120px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-mono); font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; }
.hero h1 { font-size: clamp(40px, 6vw, 76px); font-weight: 800; max-width: 860px; margin: 18px 0 22px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead { font-size: clamp(16px, 1.6vw, 19px); color: #cdd5df; max-width: 620px; }
.hero-cta { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.badge { font-family: var(--f-mono); font-size: 12px; padding: 6px 10px; border: 1px solid rgba(255,255,255,.25); border-radius: 2px; color: #dfe5ec; background: rgba(255,255,255,.05); }
.hero-stats {
  margin-top: 64px; display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255,255,255,.18);
}
.hero-stats div { padding: 22px 20px 30px 0; }
.hero-stats strong { display: block; font-family: var(--f-head); font-size: clamp(28px, 3.2vw, 42px); font-weight: 800; }
.hero-stats span { font-size: 13.5px; color: #aab4c2; }
.video-toggle {
  position: absolute; z-index: 3; right: 24px; bottom: 24px;
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,.4);
  background: rgba(0,0,0,.3); color: #fff; cursor: pointer; display: grid; place-items: center;
}
.video-toggle svg { width: 14px; height: 14px; }

/* ---------- page heads ---------- */
.page-head { position: relative; color: #fff; background: var(--ink); overflow: hidden; }
.page-head img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.page-head::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(13,21,32,.95), rgba(13,21,32,.55)); }
.page-head .wrap { position: relative; z-index: 2; padding-top: 88px; padding-bottom: 72px; }
.page-head h1 { font-size: clamp(34px, 4.6vw, 56px); font-weight: 800; margin: 14px 0 16px; max-width: 820px; }
.page-head p { color: #c6cfda; max-width: 640px; font-size: 17px; }
.crumbs { font-size: 13px; color: #8e9aab; margin-bottom: 4px; }
.crumbs a { color: #c6cfda; text-decoration: none; }

/* ---------- sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--paper); }
.section-dark { background: var(--ink); color: #e6ebf1; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 48px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; margin-top: 12px; max-width: 700px; }
.section-head p { color: var(--muted); max-width: 520px; margin-top: 14px; }
.section-dark .section-head p { color: #9aa6b6; }
.section-dark .eyebrow { color: var(--accent); }

/* ---------- intro / about split ---------- */
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: center; }
.split-media { position: relative; }
.split-media img { width: 100%; aspect-ratio: 4/3.3; object-fit: cover; border-radius: var(--radius); }
.split-media .media-tag {
  position: absolute; left: -1px; bottom: 28px; background: var(--accent); color: #fff;
  padding: 16px 20px; font-family: var(--f-head); font-weight: 700; max-width: 260px; line-height: 1.3;
}
.split-media .media-tag small { display: block; font-family: var(--f-mono); font-weight: 400; font-size: 11px; letter-spacing: .1em; opacity: .85; margin-bottom: 4px; }
.split h2 { font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; margin: 12px 0 20px; }
.split p + p { margin-top: 14px; }
.split .muted { color: var(--muted); }
.checks { list-style: none; padding: 0; margin: 26px 0 30px; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks li::before {
  content: ""; flex: 0 0 20px; height: 20px; margin-top: 2px; border-radius: 2px; background: var(--ink)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3L15 7' stroke='%23ff6a1a' stroke-width='2.2' fill='none'/%3E%3C/svg%3E") center/16px no-repeat;
}

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line-dark); }
.stat { padding: 34px 28px; border-right: 1px solid var(--line-dark); }
.stat:last-child { border-right: 0; }
.stat strong { display: block; font-family: var(--f-head); font-size: clamp(36px, 4vw, 54px); font-weight: 800; color: #fff; line-height: 1; }
.stat strong sup { font-size: .45em; color: var(--accent); margin-left: 2px; vertical-align: top; position: relative; top: .2em; }
.stat h4 { font-size: 15px; margin: 14px 0 6px; color: #fff; font-family: var(--f-body); font-weight: 600; letter-spacing: 0; }
.stat p { font-size: 13.5px; color: #8e9aab; }

/* ---------- product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.p-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; flex-direction: column; text-decoration: none; color: inherit;
  transition: border-color .2s, box-shadow .2s, transform .2s; overflow: hidden;
}
.p-card:hover { border-color: var(--ink); box-shadow: 0 14px 30px -18px rgba(13,21,32,.45); transform: translateY(-3px); }
.p-card .p-fig { background: linear-gradient(180deg, #eef1f5, #e3e8ee); aspect-ratio: 4/3; display: grid; place-items: center; position: relative; overflow: hidden; }
.p-card .p-fig svg { width: 62%; height: 70%; color: var(--ink-3); }
.p-card .p-fig img { width: 100%; height: 100%; object-fit: cover; }
.p-card .p-code { position: absolute; top: 10px; left: 12px; font-family: var(--f-mono); font-size: 11px; color: var(--steel); }
.p-card .p-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.p-card h3 { font-size: 18px; font-weight: 700; }
.p-card p { font-size: 14px; color: var(--muted); margin: 8px 0 14px; }
.p-card .p-range { margin-top: auto; font-family: var(--f-mono); font-size: 12px; color: var(--ink-3); border-top: 1px dashed var(--line); padding-top: 12px; display: flex; justify-content: space-between; gap: 8px; }

/* finder */
.finder { display: grid; grid-template-columns: 260px 1fr; gap: 36px; align-items: start; }
.finder-side { position: sticky; top: calc(var(--head-h) + 20px); display: grid; gap: 26px; }
.finder-side h4 { font-family: var(--f-mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--steel); margin-bottom: 10px; font-weight: 500; }
.search { position: relative; }
.search input { width: 100%; padding: 12px 14px 12px 40px; border: 1.5px solid var(--line); border-radius: var(--radius); background: #fff; }
.search input:focus { outline: none; border-color: var(--ink); }
.search svg { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--steel); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1.5px solid var(--line); background: #fff; padding: 7px 12px; border-radius: 30px;
  font-size: 13.5px; cursor: pointer; color: var(--text); transition: .15s;
}
.chip:hover { border-color: var(--ink); }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.finder-count { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.finder-count b { color: var(--ink); }
.finder .product-grid { grid-template-columns: repeat(3, 1fr); }
.empty { padding: 48px; text-align: center; border: 1.5px dashed var(--line); border-radius: var(--radius); color: var(--muted); }
.side-cta { background: var(--ink); color: #fff; padding: 22px; border-radius: var(--radius); }
.side-cta h5 { font-family: var(--f-head); font-size: 17px; margin: 0 0 8px; }
.side-cta p { font-size: 13.5px; color: #aab4c2; margin-bottom: 16px; }

/* ---------- spec table ---------- */
.spec-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.spec { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 760px; }
.spec th, .spec td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec thead th { background: var(--ink); color: #fff; font-weight: 600; font-size: 13px; letter-spacing: .03em; }
.spec tbody th { font-weight: 600; white-space: nowrap; }
.spec td.mono { font-size: 13.5px; color: var(--ink-3); }
.spec tbody tr:hover { background: #fafbfc; }
.spec tbody tr:last-child th, .spec tbody tr:last-child td { border-bottom: 0; }

/* checker */
.checker { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.checker-form { padding: 34px; display: grid; gap: 16px; background: var(--ink-2); }
.checker-out { padding: 34px; background: var(--ink); display: flex; flex-direction: column; justify-content: center; }
.checker label { font-size: 13px; color: #aab4c2; display: block; margin-bottom: 6px; }
.checker input, .checker select { width: 100%; padding: 11px 12px; background: var(--ink); color: #fff; border: 1px solid var(--line-dark); border-radius: var(--radius); }
.checker input:focus, .checker select:focus { outline: none; border-color: var(--accent); }
.checker-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.verdict { font-family: var(--f-head); font-size: 26px; font-weight: 800; color: #fff; margin: 10px 0 14px; }
.verdict.ok { color: #4ad99a; }
.verdict.warn { color: #ffb067; }
.verdict-list { list-style: none; padding: 0; margin: 0 0 22px; font-size: 14px; display: grid; gap: 8px; color: #c6cfda; }
.verdict-list li { display: flex; gap: 10px; }
.verdict-list .d { font-family: var(--f-mono); width: 18px; flex: 0 0 18px; }
.verdict-list .y { color: #4ad99a; }
.verdict-list .n { color: #ffb067; }

/* equipment */
.equip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.equip-card { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.equip-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.equip-card div { padding: 20px; }
.equip-card h3 { font-size: 18px; margin-bottom: 8px; }
.equip-card ul { padding-left: 18px; margin: 10px 0 0; font-size: 14px; color: var(--muted); }

/* ---------- quality ---------- */
.q-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.q-item { background: #fff; padding: 30px 28px; }
.q-item .q-num { font-family: var(--f-mono); font-size: 12px; color: var(--accent-2); }
.q-item h3 { font-size: 19px; margin: 12px 0 10px; }
.q-item p { font-size: 14.5px; color: var(--muted); }
.certs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cert { border: 1.5px solid var(--line); border-radius: var(--radius); padding: 22px; display: flex; gap: 16px; align-items: center; background: #fff; }
.cert-seal { width: 54px; height: 54px; flex: 0 0 54px; border-radius: 50%; border: 2px solid var(--ink); display: grid; place-items: center; font-family: var(--f-mono); font-size: 10px; font-weight: 700; text-align: center; line-height: 1.1; color: var(--ink); }
.cert h4 { font-size: 16px; }
.cert p { font-size: 13px; color: var(--muted); }
.docs { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.docs span { font-family: var(--f-mono); font-size: 12.5px; padding: 8px 12px; background: var(--ink); color: #fff; border-radius: 2px; }
.ppm { display: flex; align-items: baseline; gap: 10px; }
.ppm strong { font-family: var(--f-head); font-size: 64px; font-weight: 800; color: var(--ink); line-height: 1; }

/* ---------- cases ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.case-img { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case:hover .case-img img { transform: scale(1.04); }
.case-ind { position: absolute; top: 14px; left: 14px; background: var(--ink); color: #fff; font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; padding: 5px 9px; text-transform: uppercase; }
.case-body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.case h3 { font-size: 19px; margin-bottom: 10px; }
.case p { font-size: 14px; color: var(--muted); }
.case dl { margin: 14px 0 0; display: grid; gap: 8px; font-size: 13.5px; }
.case dt { font-weight: 700; color: var(--ink); display: inline; }
.case dd { display: inline; margin: 0; color: var(--muted); }
.case-kpis { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); gap: 8px; }
.case-kpis div strong { display: block; font-family: var(--f-head); font-size: 20px; font-weight: 800; color: var(--ink); }
.case-kpis div span { font-size: 11.5px; color: var(--muted); line-height: 1.3; display: block; }
.case-spacer { height: 18px; }
.logos { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.logos span { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 10px; text-align: center; font-family: var(--f-head); font-weight: 700; font-size: 14px; color: #8a95a5; letter-spacing: .06em; }

/* ---------- process ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0; counter-reset: s; position: relative; }
.step { padding: 0 18px 0 0; position: relative; }
.step-n { width: 52px; height: 52px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-family: var(--f-mono); font-weight: 700; position: relative; z-index: 2; }
.step:not(:last-child)::before { content: ""; position: absolute; top: 26px; left: 52px; right: 0; height: 2px; background: repeating-linear-gradient(90deg, var(--steel) 0 6px, transparent 6px 12px); }
.step h3 { font-size: 17px; margin: 20px 0 8px; }
.step p { font-size: 14px; color: var(--muted); }
.step .t { display: inline-block; margin-top: 10px; font-family: var(--f-mono); font-size: 11.5px; color: var(--accent-2); border: 1px solid #ffd2b8; background: #fff5ef; padding: 3px 8px; border-radius: 2px; }
.section-dark .step-n { background: var(--accent); }
.section-dark .step p { color: #9aa6b6; }
.section-dark .step .t { background: transparent; border-color: #5a3b2a; color: #ffb88f; }

.timeline { display: grid; gap: 0; border-left: 2px solid var(--line); margin-left: 26px; }
.tl-item { position: relative; padding: 0 0 44px 46px; }
.tl-item::before { content: attr(data-n); position: absolute; left: -27px; top: -4px; width: 52px; height: 52px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font-family: var(--f-mono); font-weight: 700; }
.tl-item h3 { font-size: 22px; margin-bottom: 8px; }
.tl-item p { color: var(--muted); max-width: 660px; }
.tl-item .tl-meta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.tl-item .tl-meta span { font-family: var(--f-mono); font-size: 12px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 2px; color: var(--ink-3); }
.tl-item .tl-meta span.hl { border-color: #ffd2b8; background: #fff5ef; color: var(--accent-2); }

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-weight: 600; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 24px; font-weight: 300; color: var(--accent-2); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 40px 22px 0; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--accent); color: #fff; position: relative; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; right: -60px; top: -40px; width: 420px; height: 300px; opacity: .14;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 60' fill='none' stroke='%23fff' stroke-width='3'%3E%3Cpath d='M0 30 q10 -28 20 0 t20 0 t20 0 t20 0 t20 0 t20 0 t20 0 t20 0 t20 0 t20 0'/%3E%3C/svg%3E") center/contain no-repeat;
}
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-top: 56px; padding-bottom: 56px; position: relative; flex-wrap: wrap; }
.cta-band h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 800; max-width: 680px; }
.cta-band p { margin-top: 10px; opacity: .92; }
.cta-band .btn-dark { background: var(--ink); color: #fff; }
.cta-band .btn-dark:hover { background: #000; }
.cta-band .btn-ghost { border-color: rgba(255,255,255,.7); }

/* quick quote (home) */
.quick { display: grid; grid-template-columns: 1fr 1.2fr; gap: 0; border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 60px -30px rgba(13,21,32,.4); }
.quick-l { background: var(--ink); color: #fff; padding: 44px; position: relative; overflow: hidden; }
.quick-l img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .18; }
.quick-l > * { position: relative; }
.quick-l h2 { font-size: 32px; font-weight: 800; margin: 12px 0 14px; }
.quick-l p { color: #aab4c2; }
.quick-l .contact-line { margin-top: 28px; display: grid; gap: 10px; font-size: 15px; }
.quick-l .contact-line a { color: #fff; text-decoration: none; }
.quick-r { background: #fff; padding: 44px; display: grid; gap: 16px; align-content: start; border: 1px solid var(--line); border-left: 0; }

/* ---------- forms ---------- */
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 7px; color: var(--ink); }
.field label .req { color: var(--accent-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius);
  background: #fff; color: var(--text); transition: border-color .15s;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); }
.field.invalid input, .field.invalid select, .field.invalid textarea, .field.invalid .drop { border-color: var(--err); }
.field .err { display: none; color: var(--err); font-size: 12.5px; margin-top: 6px; }
.field.invalid .err { display: block; }
.field .hint { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.rfq { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
.rfq-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.rfq-sec { padding: 30px 34px; border-bottom: 1px solid var(--line); display: grid; gap: 18px; }
.rfq-sec h3 { font-size: 18px; display: flex; align-items: center; gap: 12px; }
.rfq-sec h3 span { font-family: var(--f-mono); font-size: 12px; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; }
.rfq-foot { padding: 26px 34px; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; background: #fafbfc; }
.rfq-foot small { color: var(--muted); max-width: 440px; }
.type-pick { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.type-pick label { border: 1.5px solid var(--line); border-radius: var(--radius); padding: 12px 8px 10px; text-align: center; cursor: pointer; font-size: 13px; font-weight: 600; display: grid; justify-items: center; gap: 6px; transition: .15s; margin: 0; }
.type-pick label svg { width: 44px; height: 30px; color: var(--steel); }
.type-pick input { position: absolute; opacity: 0; pointer-events: none; }
.type-pick label:hover { border-color: var(--ink); }
.type-pick input:checked + label { border-color: var(--accent); background: #fff5ef; }
.type-pick input:checked + label svg { color: var(--accent-2); }
.type-pick input:focus-visible + label { outline: 2px solid var(--ink); outline-offset: 2px; }
.drop {
  border: 1.5px dashed #b9c2cd; border-radius: var(--radius); padding: 28px; text-align: center; cursor: pointer;
  background: #fafbfc; transition: .15s; display: grid; gap: 6px; justify-items: center;
}
.drop:hover, .drop.over { border-color: var(--accent); background: #fff5ef; }
.drop svg { width: 30px; height: 30px; color: var(--steel); }
.drop b { color: var(--ink); }
.drop small { color: var(--muted); }
.files { display: grid; gap: 8px; margin-top: 10px; }
.file-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 12px; border: 1px solid var(--line); border-radius: var(--radius); font-size: 13.5px; }
.file-item span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item em { font-style: normal; color: var(--muted); font-family: var(--f-mono); font-size: 12px; margin-left: 8px; }
.file-item button { background: none; border: 0; color: var(--err); cursor: pointer; font-size: 18px; line-height: 1; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.check input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; }
.rfq-aside { position: sticky; top: calc(var(--head-h) + 20px); display: grid; gap: 18px; }
.aside-box { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: #fff; }
.aside-box h4 { font-size: 16px; margin-bottom: 12px; }
.aside-box ol { margin: 0; padding-left: 18px; font-size: 14px; color: var(--muted); display: grid; gap: 8px; }
.aside-box.dark { background: var(--ink); color: #fff; border-color: var(--ink); }
.aside-box.dark p { color: #aab4c2; font-size: 14px; }
.aside-box.dark a { color: #fff; text-decoration: none; font-weight: 600; }
.aside-person { display: flex; gap: 12px; align-items: center; margin-top: 14px; }
.aside-person .av { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; font-weight: 700; }
.notice { font-size: 13px; color: #8a4b12; background: #fff5ef; border: 1px solid #ffd2b8; padding: 12px 14px; border-radius: var(--radius); }

.rfq-status { flex-basis: 100%; font-size: 14px; }
.rfq-status:empty { display: none; }
.rfq-status.err { color: var(--err); background: #fdf0ef; border: 1px solid #f3c4bf; padding: 10px 14px; border-radius: var(--radius); }
.btn:disabled { opacity: .7; cursor: progress; }
.success { padding: 60px 40px; text-align: center; display: grid; justify-items: center; gap: 14px; }
.success .ok-ic { width: 66px; height: 66px; border-radius: 50%; background: var(--ok); display: grid; place-items: center; color: #fff; }
.success .ok-ic svg { width: 30px; height: 30px; }
.success h2 { font-size: 30px; }
.success p { color: var(--muted); max-width: 480px; }
.success .ref { font-family: var(--f-mono); background: var(--paper); padding: 10px 16px; border-radius: 2px; font-size: 15px; }

/* ---------- industries strip ---------- */
.ind-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.ind { position: relative; aspect-ratio: 1/1.05; border-radius: var(--radius); overflow: hidden; color: #fff; text-decoration: none; }
.ind img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.ind:hover img { transform: scale(1.05); }
.ind::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(8,13,21,.9), rgba(8,13,21,0) 60%); }
.ind div { position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 20px; }
.ind h3 { font-size: 20px; }
.ind p { font-size: 13px; color: #c6cfda; margin-top: 4px; }

/* ---------- footer ---------- */
.footer { background: #080d15; color: #8e9aab; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-top: 72px; padding-bottom: 56px; }
.footer h5 { color: #fff; font-family: var(--f-head); font-size: 15px; margin: 0 0 16px; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer a { text-decoration: none; color: #b7c1ce; }
.footer a:hover { color: var(--accent); }
.footer .logo { color: #fff; margin-bottom: 18px; }
.footer .logo-text small { color: #8e9aab; }
.footer-bottom { border-top: 1px solid #1a2433; padding-top: 22px; padding-bottom: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; }

/* sticky mobile cta */
.m-cta { display: none; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .finder .product-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .step:nth-child(3)::before { display: none; }
  .certs { grid-template-columns: repeat(2, 1fr); }
  .logos { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px) {
  .nav, .header .btn-primary { display: none; }
  .menu-btn { display: block; }
  .header.open .nav {
    display: flex; flex-direction: column; position: absolute; top: var(--head-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 12px 16px 20px; gap: 0;
  }
  .header.open .nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .header.open .nav a.active::after { display: none; }
  .header.open .menu-btn span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .header.open .menu-btn span:nth-child(2) { opacity: 0; }
  .header.open .menu-btn span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .split, .quick, .checker, .rfq, .finder { grid-template-columns: 1fr; }
  .quick-r { border-left: 1px solid var(--line); border-top: 0; }
  .finder-side, .rfq-aside { position: static; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line-dark); }
  .q-grid, .case-grid, .equip { grid-template-columns: repeat(2, 1fr); }
  .ind-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .topbar-l span { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .topbar { display: none; }
  .section { padding: 64px 0; }
  .hero { min-height: 600px; }
  .hero-inner { padding-top: 80px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); margin-top: 40px; }
  .hero-stats div { padding: 16px 12px 18px 0; }
  .product-grid, .finder .product-grid, .q-grid, .case-grid, .equip, .certs { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step::before { display: none; }
  .row-2, .row-3, .checker-row { grid-template-columns: 1fr; }
  .type-pick { grid-template-columns: repeat(2, 1fr); }
  .rfq-sec, .rfq-foot { padding: 24px 18px; }
  .quick-l, .quick-r, .checker-form, .checker-out { padding: 28px 20px; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; padding-top: 48px; }
  .split-media .media-tag { bottom: 14px; padding: 12px 14px; font-size: 14px; }
  .m-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; gap: 8px; padding: 10px 12px;
    background: rgba(13,21,32,.97); border-top: 1px solid var(--line-dark);
  }
  .m-cta a { flex: 1; justify-content: center; padding: 12px 10px; font-size: 14px; }
  body { padding-bottom: 66px; }
}