:root {
  --ink: #161b22;
  --muted: #596273;
  --line: #d9dee7;
  --surface: #f5f7fa;
  --navy: #062a63;
  --orange: #e55214;
  --green: #137a5b;
  --white: #ffffff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; letter-spacing: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange); }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: 0; }
h1 { font-size: clamp(2.25rem, 4vw, 4rem); max-width: 850px; }
h2 { font-size: clamp(1.8rem, 3vw, 2.65rem); }
h3 { font-size: 1.15rem; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: var(--white); padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.header-inner { width: min(var(--max), calc(100% - 40px)); min-height: 76px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; flex: 0 0 auto; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand span { display: grid; line-height: 1; }
.brand strong { font-size: 1.2rem; }
.brand small { color: var(--muted); font-size: .71rem; margin-top: 5px; }
.primary-nav { display: flex; align-items: center; gap: 22px; }
.site-menu { display: flex; align-items: center; gap: 21px; list-style: none; padding: 0; margin: 0; }
.site-menu a { color: var(--ink); text-decoration: none; font-size: .9rem; font-weight: 650; white-space: nowrap; }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 9px; border: 1px solid var(--line); background: var(--white); border-radius: 4px; }
.menu-toggle span { display: block; height: 2px; background: var(--ink); margin: 5px 0; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 11px 20px; border: 1px solid var(--orange); border-radius: 4px; background: var(--orange); color: var(--white); text-decoration: none; font-weight: 750; line-height: 1.15; cursor: pointer; }
.button:hover { color: var(--white); background: #bd3e0a; border-color: #bd3e0a; }
.button-secondary { background: var(--white); border-color: var(--ink); color: var(--ink); }
.button-secondary:hover { background: var(--ink); border-color: var(--ink); }
.button-quiet { background: transparent; border-color: rgba(255,255,255,.65); color: var(--white); }
.button-small { min-height: 40px; padding: 9px 14px; font-size: .86rem; }
.eyebrow { margin-bottom: 12px; color: var(--orange); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.lede { max-width: 760px; color: var(--muted); font-size: 1.1rem; }
.section { padding: 84px 0; }
.section-tight { padding: 56px 0; }
.section-muted { background: var(--surface); }
.section-dark { background: var(--ink); color: var(--white); }
.section-dark .lede, .section-dark .meta, .section-dark p { color: #c9d0da; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 34px; }
.section-head h2 { max-width: 720px; margin-bottom: 0; }
.hero { position: relative; min-height: min(620px, calc(100vh - 150px)); overflow: hidden; background: #edf1f5; display: grid; align-items: center; }
.hero-media { position: absolute; inset: 0 0 0 42%; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; mix-blend-mode: multiply; }
.hero::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 53%; background: rgba(237,241,245,.96); pointer-events: none; }
.hero-inner { position: relative; z-index: 2; width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding: 60px 0; }
.hero-copy { max-width: 720px; }
.hero-copy h1 { margin-bottom: 22px; }
.hero-copy .lede { max-width: 630px; color: #3f4856; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.proof-line { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 48px; padding-top: 22px; border-top: 1px solid rgba(22,27,34,.22); font-size: .83rem; font-weight: 700; }
.series-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.series-link { min-height: 210px; padding: 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; display: flex; flex-direction: column; justify-content: space-between; }
.series-link:hover { color: var(--ink); background: var(--surface); }
.series-number { color: var(--orange); font-size: .8rem; font-weight: 800; }
.series-link h3 { margin-bottom: 8px; font-size: 1.2rem; }
.series-link p { margin: 0; color: var(--muted); font-size: .9rem; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.product-card { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: var(--white); }
.product-card[hidden] { display: none; }
.product-image { aspect-ratio: 1 / 1; background: #f6f7f9; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: contain; }
.product-card-body { padding: 19px; }
.product-model { color: var(--orange); font-size: .77rem; font-weight: 850; text-transform: uppercase; }
.product-card h3 { margin: 7px 0 12px; min-height: 2.4em; }
.product-card h3 a { color: var(--ink); text-decoration: none; }
.product-card .meta { color: var(--muted); font-size: .83rem; min-height: 3.9em; }
.status { display: inline-block; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--green); font-size: .75rem; font-weight: 750; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 26px; }
.filter-button { min-height: 40px; padding: 8px 13px; border-radius: 4px; border: 1px solid var(--line); background: var(--white); color: var(--ink); cursor: pointer; }
.filter-button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--white); }
.compare-wrap { overflow-x: auto; border: 1px solid var(--line); }
.compare-table { width: 100%; min-width: 850px; border-collapse: collapse; font-size: .88rem; }
.compare-table th, .compare-table td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare-table th { background: var(--surface); font-size: .76rem; text-transform: uppercase; }
.compare-table tr:last-child td { border-bottom: 0; }
.process { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
.process-step { padding: 24px 22px; border-right: 1px solid var(--line); }
.process-step:last-child { border-right: 0; }
.process-step strong { display: block; color: var(--orange); margin-bottom: 10px; }
.process-step p { color: var(--muted); margin: 0; font-size: .9rem; }
.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 64px; align-items: start; }
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.evidence-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.evidence-item { padding: 26px; background: var(--white); }
.evidence-item strong { display: block; margin-bottom: 7px; }
.evidence-item span { color: var(--muted); font-size: .9rem; }
.notice { border-left: 4px solid var(--orange); background: #fff6f0; padding: 18px 20px; color: #60341f; }
.notice-green { border-left-color: var(--green); background: #eef8f4; color: #145541; }
.page-hero { padding: 74px 0 54px; border-bottom: 1px solid var(--line); background: var(--surface); }
.page-hero h1 { font-size: clamp(2.2rem, 4vw, 3.6rem); margin-bottom: 18px; }
.breadcrumbs { font-size: .78rem; color: var(--muted); margin-bottom: 18px; }
.breadcrumbs a { color: inherit; }
.product-detail-hero { padding: 46px 0 64px; }
.product-detail-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: 58px; align-items: center; }
.product-detail-image { aspect-ratio: 1 / 1; background: var(--surface); }
.product-detail-image img { width: 100%; height: 100%; object-fit: contain; }
.product-detail-copy h1 { font-size: clamp(2rem, 4vw, 3.7rem); }
.spec-list { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.spec-item { padding: 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.spec-item dt { color: var(--muted); font-size: .76rem; text-transform: uppercase; font-weight: 750; }
.spec-item dd { margin: 5px 0 0; font-weight: 750; }
.detail-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 38px; }
.detail-columns h3 { padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.detail-columns ul { padding-left: 18px; }
.cta-band { padding: 56px 0; background: var(--navy); color: var(--white); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-inner h2 { margin-bottom: 8px; }
.cta-inner p { margin: 0; color: #d7e2f2; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 0 auto; }
.quote-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 20px; }
.form-field { display: grid; gap: 7px; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { font-weight: 700; font-size: .88rem; }
.form-field input, .form-field select, .form-field textarea { width: 100%; border: 1px solid #bfc6d0; border-radius: 4px; background: var(--white); padding: 11px 12px; color: var(--ink); }
.form-field textarea { min-height: 132px; resize: vertical; }
.form-help { color: var(--muted); font-size: .78rem; }
.form-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-bottom: 20px; padding: 14px 16px; border-left: 4px solid var(--green); background: #eef8f4; }
.form-status.error { border-color: #b42318; background: #fff2f0; }
.resource-row { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.resource-row h3 { margin-bottom: 4px; }
.resource-row p { margin: 0; color: var(--muted); }
.site-footer { background: #11161d; color: var(--white); padding: 52px 0 22px; }
.footer-inner, .footer-legal { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.footer-inner { display: flex; justify-content: space-between; gap: 50px; align-items: start; }
.footer-brand { display: flex; gap: 14px; max-width: 540px; }
.footer-brand img { flex: 0 0 48px; width: 48px; height: 48px; object-fit: contain; }
.footer-brand div { display: grid; gap: 7px; }
.footer-brand span { color: #aeb8c5; font-size: .9rem; }
.footer-links { display: grid; gap: 8px; text-align: right; }
.footer-links a { color: var(--white); }
.footer-legal { margin-top: 42px; padding-top: 20px; border-top: 1px solid #303845; display: flex; justify-content: space-between; gap: 25px; color: #98a4b3; font-size: .75rem; }

@media (max-width: 1020px) {
  .menu-toggle { display: block; margin-left: auto; }
  .primary-nav { display: none; position: absolute; left: 0; right: 0; top: 76px; padding: 20px; background: var(--white); border-bottom: 1px solid var(--line); align-items: stretch; }
  .primary-nav.is-open { display: grid; }
  .site-menu { display: grid; gap: 0; }
  .site-menu a { display: block; padding: 11px 0; border-bottom: 1px solid var(--line); }
  .series-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .process-step { border-bottom: 1px solid var(--line); }
  .split, .product-detail-grid { gap: 36px; }
}

@media (max-width: 720px) {
  .header-inner, .wrap, .hero-inner, .footer-inner, .footer-legal { width: min(100% - 28px, var(--max)); }
  .section { padding: 62px 0; }
  .hero { display: block; min-height: 0; }
  .hero-media { position: relative; inset: auto; height: 190px; }
  .hero-media img { object-position: center; }
  .hero::after { display: none; }
  .hero-inner { padding: 24px 0 28px; }
  .hero-copy h1 { font-size: 1.9rem; }
  .hero-copy .lede { font-size: .96rem; }
  .hero-actions { gap: 8px; margin-top: 22px; }
  .hero-actions .button { min-height: 44px; padding: 9px 12px; font-size: .87rem; }
  .proof-line { gap: 10px 18px; margin-top: 30px; }
  .section-head { display: block; }
  .section-head .button { margin-top: 18px; }
  .series-grid, .product-grid, .split, .product-detail-grid, .detail-columns, .evidence-strip { grid-template-columns: 1fr; }
  .series-link { min-height: 165px; }
  .product-card h3, .product-card .meta { min-height: 0; }
  .process { grid-template-columns: 1fr; }
  .process-step { border-right: 0; }
  .spec-list { grid-template-columns: 1fr; }
  .cta-inner, .resource-row, .footer-inner, .footer-legal { display: grid; }
  .cta-actions { width: 100%; }
  .cta-actions .button { flex: 1 1 180px; }
  .quote-form { grid-template-columns: 1fr; }
  .form-field-full { grid-column: auto; }
  .footer-inner > *, .footer-brand > * { min-width: 0; }
  .footer-brand strong, .footer-brand span, .footer-links a { overflow-wrap: anywhere; }
  .footer-links { text-align: left; }
  .proof-line { display: none; }
}