:root { color-scheme: light; --ink: #142e46; --muted: #4d6070; --blue: #0065ad; --navy: #0b2c47; --line: #cedae3; --soft: #f2f6f8; }
* { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; font-size: 17px; line-height: 1.6; }
[hidden] { display: none !important; }
a { color: var(--blue); text-underline-offset: .22em; }
button, input, textarea { font: inherit; }
button, summary { cursor: pointer; }
button { border: 0; }
img { display: block; max-width: 100%; height: auto; }
figure, dl, dd { margin: 0; }
p { margin: 0 0 1em; }
h1, h2, h3 { line-height: 1.18; letter-spacing: -.025em; text-wrap: balance; }
h1 { font-size: clamp(36px, 3.45vw, 50px); margin: 0 0 22px; }
h2 { font-size: clamp(29px, 2.65vw, 38px); margin: 0 0 18px; }
h3 { font-size: 23px; margin: 0 0 14px; }
:focus-visible { outline: 3px solid #eea600; outline-offset: 5px; }
section[id] { scroll-margin-top: 0; }
.wrap { width: calc(100% - 64px); max-width: 1220px; margin: 0 auto; }
.section { padding: 76px 0; }
.soft { background: var(--soft); }
.section-heading { max-width: 920px; margin-bottom: 32px; }
.section-heading > p:last-child { margin-bottom: 0; color: var(--muted); font-size: 18px; }
.eyebrow { color: var(--blue); font-size: 13px; line-height: 1.5; font-weight: 750; letter-spacing: .105em; text-transform: uppercase; margin-bottom: 14px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; background: white; padding: 12px; }
.skip-link:focus { top: 10px; }
.p-header { position: sticky; top: 0; z-index: 20; background: #fff; border-bottom: 1px solid #dde5eb; }
.header-inner { min-height: 80px; display: flex; align-items: center; gap: 26px; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 9px; color: #0065b0; text-decoration: none; flex-shrink: 0; }
.brand img { width: 46px; height: 46px; }
.brand > span { font-size: 25px; letter-spacing: -.7px; font-weight: 850; }
.brand > span > span { font-weight: 500; }
.desktop-nav { display: flex; align-items: center; gap: 22px; }
.desktop-nav a { color: var(--ink); font-size: 15px; font-weight: 650; text-decoration: none; padding: 12px 0; }
.desktop-nav a:hover { color: var(--blue); }
.desktop-nav .nav-inquiry { padding: 10px 17px; background: var(--blue); color: #fff; border-radius: 4px; }
.p-mobile-menu { display: none; position: relative; }
.p-mobile-menu summary { list-style: none; padding: 12px 0 12px 12px; font-weight: 700; }
.p-mobile-menu summary::-webkit-details-marker { display: none; }
.p-mobile-menu summary span { margin-left: 8px; }
.p-mobile-menu nav { position: absolute; right: 0; top: calc(100% + 9px); width: 240px; max-width: calc(100vw - 36px); padding: 12px; background: white; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 16px 35px #142e4626; }
.p-mobile-menu nav a { display: block; padding: 11px 14px; color: var(--ink); text-decoration: none; font-weight: 650; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; gap: 12px; padding: 13px 20px; border: 1px solid transparent; border-radius: 4px; font-size: 16px; line-height: 1.45; font-weight: 750; text-decoration: none; text-align: center; }
.button.primary { background: var(--blue); color: #fff; }
.button.primary:hover, .desktop-nav .nav-inquiry:hover { background: #004e87; }
.button.secondary { color: var(--ink); border-color: #9bafbd; background: transparent; }
.button.secondary:hover { background: #e9f0f5; }
.text-link { display: inline-block; padding: 9px 0; font-weight: 700; }
.hero { background: #edf3f7; padding: 54px 0 58px; }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; column-gap: 38px; align-items: center; }
.hero-copy { grid-row: 1; grid-column: 1; align-self: end; }
.hero .eyebrow { letter-spacing: .07em; }
.hero .lead { font-size: 18px; color: #354f62; margin-bottom: 22px; }
.hero-photo { grid-row: 1 / 3; grid-column: 2; align-self: center; }
.hero-photo img { width: 100%; border-radius: 6px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; grid-row: 2; grid-column: 1; align-self: start; }
.hero-actions .button { width: 100%; }
.performance { padding: 62px 0; }
.performance-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; }
.range { padding: 28px 30px; border: 1px solid var(--line); border-radius: 6px; }
.range h3 { padding-bottom: 20px; border-bottom: 1px solid var(--line); font-size: 23px; }
.range dl { display: grid; gap: 26px; }
.range .standard-values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.range dt { color: var(--muted); font-size: 16px; margin-bottom: 6px; }
.range dd { font-size: 26px; line-height: 1.3; font-weight: 750; letter-spacing: -.025em; }
.range dd span { display: block; font-size: 17px; font-weight: 500; margin-top: 6px; letter-spacing: 0; }
.custom { background: var(--navy); color: #fff; border-color: var(--navy); }
.custom h3 { border-color: #486279; }
.custom dt { color: #cbdde9; }
.custom dl { grid-template-columns: 1fr 1fr; }
.principle-grid { display: grid; grid-template-columns: 1.16fr .84fr; gap: 40px; align-items: start; }
.video-shell { border: 1px solid var(--line); background: #fff; border-radius: 6px; overflow: hidden; }
#video-poster { position: relative; aspect-ratio: 16 / 9; }
#video-poster img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.video-load { position: absolute; bottom: 18px; left: 50%; transform: translateX(-50%); max-width: calc(100% - 28px); width: max-content; background: var(--blue); color: white; border: 2px solid white; border-radius: 5px; padding: 11px 16px; font-size: 16px; font-weight: 700; line-height: 1.4; box-shadow: 0 2px 16px #0b2c4733; }
.video-load span { margin-right: 8px; }
#video-frame { aspect-ratio: 16 / 9; background: #111; }
#video-frame iframe { width: 100%; height: 100%; display: block; border: 0; }
.video-watch { font-size: 16px; margin-top: 8px; }
.principle-steps { list-style: none; counter-reset: steps; margin: 0; padding: 0; }
.principle-steps li { counter-increment: steps; position: relative; padding: 0 0 24px 51px; }
.principle-steps li:last-child { padding-bottom: 0; }
.principle-steps li::before { content: "0" counter(steps); position: absolute; left: 0; top: 0; font-size: 16px; font-weight: 750; color: var(--blue); width: 35px; border-top: 2px solid var(--blue); padding-top: 5px; }
.principle-steps h3 { font-size: 21px; margin-bottom: 10px; }
.principle-steps p { color: var(--muted); margin: 0; }
.engineering-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: start; }
.engineering-photo img { width: 100%; border-radius: 6px; }
figcaption { font-size: 16px; line-height: 1.45; padding-top: 12px; color: var(--muted); }
.engineering-list article { padding-bottom: 22px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.engineering-list article:last-child { padding: 0; margin: 0; border: 0; }
.engineering-list h3 { font-size: 22px; margin-bottom: 10px; }
.engineering-list p { color: var(--muted); margin: 0; }
.wear-callout { margin-top: 32px; border-left: 4px solid var(--blue); background: #eef5fa; padding: 26px 30px; display: grid; grid-template-columns: .35fr .65fr; gap: 34px; }
.wear-callout h3 { margin: 0; font-size: 24px; }
.wear-callout p { margin: 0; }
.supply-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.set-photo img { width: 100%; border-radius: 6px; }
.supply-list article + article { border-top: 1px solid var(--line); margin-top: 26px; padding-top: 26px; }
.item-label { text-transform: uppercase; letter-spacing: .07em; font-size: 13px; font-weight: 750; color: var(--blue); margin-bottom: 8px; }
.supply-list h3 { font-size: 27px; margin-bottom: 12px; }
.supply-list p:not(.item-label):not(.delivery) { color: var(--muted); }
.delivery { display: inline-block; color: #064f7d; background: #e1edf5; padding: 8px 12px; font-size: 16px; line-height: 1.45; font-weight: 750; border-radius: 4px; margin-bottom: 0; }
.configuration { padding: 32px 0; }
.configuration h3 { font-size: 25px; }
.configuration ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 18px 36px; padding: 0; margin: 24px 0; }
.configuration li { padding-left: 19px; position: relative; }
.configuration li::before { content: ""; position: absolute; width: 5px; height: 5px; left: 0; top: 12px; background: var(--blue); }
.skid-entry { padding: 24px; background: #fff; border: 1px solid var(--line); border-radius: 6px; display: grid; grid-template-columns: 180px 1fr; gap: 26px; align-items: center; }
.skid-entry img { width: 180px; border-radius: 4px; }
.skid-entry h3 { margin-bottom: 8px; font-size: 24px; }
.skid-entry p { color: var(--muted); margin-bottom: 0; }
.applications-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 38px; }
.applications-list > div { display: grid; grid-template-columns: minmax(160px, .8fr) 1.2fr; gap: 18px; padding: 20px 0; border-top: 1px solid var(--line); }
.applications-list dt { font-weight: 750; line-height: 1.45; }
.applications-list dd { color: var(--muted); font-size: 16px; }
.case { margin-top: 36px; background: #eff5f9; border: 1px solid #d5e2eb; border-radius: 6px; padding: 30px; }
.case-heading { margin-bottom: 26px; }
.case-heading h3 { font-size: 28px; max-width: 850px; }
.case-heading > p:last-child { color: var(--muted); font-size: 16px; margin: 0; }
.case-grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 30px; align-items: start; }
.case-photos { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.case-photos img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 4px; }
.case-photos figcaption { font-weight: 650; color: var(--ink); }
.case-result .result { font-size: 22px; font-weight: 700; line-height: 1.3; margin-bottom: 9px; }
.result > strong { display: block; font-size: 55px; line-height: 1.05; color: var(--blue); letter-spacing: -.04em; margin-bottom: 8px; }
.result-basis { font-size: 16px; font-weight: 650; }
.case-result > p:last-child { font-size: 16px; margin-bottom: 0; color: #314c60; }
.faq-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 54px; align-items: start; }
.faq-grid .section-heading { margin: 0; }
.support-list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 28px 0 0; }
.support-list li { font-size: 16px; border: 1px solid #c6d5e0; border-radius: 4px; padding: 6px 10px; }
.faq-list details { border-top: 1px solid #bdcdd9; }
.faq-list details:last-child { border-bottom: 1px solid #bdcdd9; }
.faq-list summary { list-style: none; padding: 22px 35px 22px 0; font-size: 20px; font-weight: 750; line-height: 1.4; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 2px; top: 20px; font-size: 25px; color: var(--blue); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -3px 0 24px; color: var(--muted); }
.inquiry { background: var(--navy); color: #fff; }
.inquiry-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.inquiry .eyebrow { color: #9fd1f3; }
.inquiry-copy > p:not(.eyebrow) { color: #d6e4ee; }
.contact-email { display: inline-block; margin: 7px 0 23px; color: white; font-size: 25px; font-weight: 750; overflow-wrap: anywhere; }
.email-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.button.light { color: var(--navy); background: #fff; }
.button.outline-light { color: #fff; background: transparent; border-color: #9bb4c6; }
.inquiry-panel { padding: 30px; border-radius: 6px; background: #fff; color: var(--ink); min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 22px; }
label { display: block; font-size: 16px; font-weight: 750; margin-bottom: 9px; }
input, textarea { display: block; width: 100%; min-width: 0; border: 1px solid #839cae; border-radius: 3px; padding: 10px 12px; font-size: 16px; color: var(--ink); background: #fff; }
input { min-height: 48px; }
textarea { min-height: 170px; resize: vertical; line-height: 1.55; }
[aria-invalid="true"] { border-color: #b02020; }
.requirements-prompts { display: grid; grid-template-columns: 1fr 1fr; list-style: none; gap: 8px 12px; margin: 12px 0; padding: 0; font-size: 16px; }
.requirements-prompts li { padding-left: 13px; position: relative; }
.requirements-prompts li::before { content: "•"; color: var(--blue); position: absolute; left: 0; }
.field-help { font-size: 16px; color: var(--muted); line-height: 1.5; }
.prepare { width: 100%; margin-top: 20px; }
.status { font-size: 16px; line-height: 1.45; margin: 14px 0 0; }
.status:empty { margin: 0; }
.inquiry-summary { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.inquiry-summary h3 { font-size: 23px; }
.inquiry-summary pre { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; font-size: 16px; line-height: 1.5; background: #f0f5f8; padding: 15px; }
.summary-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.p-footer { padding: 28px 0; border-top: 1px solid var(--line); }
.p-footer .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.p-footer p { margin: 0; font-size: 15px; color: var(--muted); }
.p-footer > .wrap > a:last-child { font-size: 16px; padding: 10px 0; }
@media (max-width: 1199px) {
  .desktop-nav { gap: 14px; }
  .desktop-nav a { font-size: 14px; }
  .brand > span { font-size: 22px; }
  .brand img { width: 40px; height: 40px; }
  .header-inner { gap: 18px; }
  .hero-grid { gap: 26px; }
  .custom dl { grid-template-columns: 1fr; gap: 22px; }
  .range { padding: 25px; }
  .range dd { font-size: 24px; }
}
@media (max-width: 1099px) {
  .desktop-nav { display: none; }
  .p-mobile-menu { display: block; }
  .hero h1 { font-size: 37px; }
  .hero .lead { font-size: 17px; }
  .inquiry-grid { gap: 32px; }
  .inquiry-panel { padding: 24px; }
  .field-row { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 999px) {
  .case-grid { grid-template-columns: 1fr; }
  .case-result .result > strong { display: inline; margin-right: 8px; }
  .applications-list { column-gap: 26px; }
  .applications-list > div { grid-template-columns: 1fr; gap: 6px; }
  .faq-grid { gap: 32px; grid-template-columns: .85fr 1.15fr; }
}
@media (max-width: 899px) {
  .wrap { width: calc(100% - 48px); }
  .section { padding: 58px 0; }
  .hero { padding: 38px 0 42px; }
  .hero h1 { font-size: 34px; }
  .hero .eyebrow { font-size: 12px; }
  .hero-grid { column-gap: 24px; }
  .performance-grid { grid-template-columns: 1.3fr 1fr; gap: 18px; }
  .range .standard-values { grid-template-columns: 1fr; gap: 20px; }
  .range { padding: 24px; }
  .principle-grid, .engineering-grid, .supply-grid { grid-template-columns: 1fr; gap: 30px; }
  .principle-steps { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }
  .principle-steps li { padding: 42px 0 0; }
  .principle-steps li:last-child { padding-bottom: 0; }
  .principle-steps h3 { font-size: 21px; }
  .engineering-photo { max-width: 640px; width: 100%; }
  .engineering-list { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
  .engineering-list article { padding: 0; margin: 0; border: 0; }
  .engineering-list article:last-child { grid-column: 1 / -1; }
  .wear-callout { grid-template-columns: 1fr; gap: 16px; }
  .supply-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
  .supply-list article + article { margin: 0; padding: 0; border: 0; }
  .faq-grid { grid-template-columns: 1fr; }
  .support-list { margin-top: 20px; }
  .inquiry-grid { grid-template-columns: 1fr; }
  .inquiry-copy { max-width: 670px; }
  .field-row { grid-template-columns: 1fr 1fr; }
  .p-footer .wrap { flex-wrap: wrap; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 84px; }
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 68px; }
  .hero { padding: 28px 0 34px; }
  .hero-grid { display: flex; flex-direction: column; gap: 23px; align-items: stretch; }
  .hero-copy, .hero-photo, .hero-actions { align-self: auto; }
  .hero .eyebrow { font-size: 12px; margin-bottom: 12px; }
  .hero h1 { font-size: 34px; margin-bottom: 16px; }
  .hero .lead { font-size: 17px; margin: 0; }
  .hero-photo { width: 100%; }
  .hero-actions { gap: 12px; }
  .section { padding: 48px 0; }
  h2 { font-size: 29px; }
  .section-heading { margin-bottom: 27px; }
  .section-heading > p:last-child { font-size: 17px; }
  .performance-grid { grid-template-columns: 1fr; }
  .range .standard-values { grid-template-columns: 1fr 1fr; gap: 24px 20px; }
  .custom dl { grid-template-columns: 1fr 1fr; }
  .principle-steps { display: block; }
  .principle-steps li { padding: 0 0 26px 48px; }
  .engineering-list { display: block; }
  .engineering-list article, .engineering-list article:last-child { padding-bottom: 21px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
  .engineering-list article:last-child { padding: 0; margin: 0; border: 0; }
  .wear-callout { padding: 22px; margin-top: 26px; }
  .supply-list { display: block; }
  .supply-list article + article { margin-top: 25px; padding-top: 25px; border-top: 1px solid var(--line); }
  .configuration ul { grid-template-columns: 1fr; gap: 16px; }
  .configuration .button { width: 100%; }
  .skid-entry { padding: 20px; gap: 20px; grid-template-columns: 150px 1fr; }
  .skid-entry img { width: 150px; }
  .applications-list { grid-template-columns: 1fr; }
  .applications-list > div { padding: 17px 0; }
  .case { padding: 20px; margin-top: 28px; }
  .case-heading h3 { font-size: 25px; }
  .case-result .result > strong { font-size: 48px; }
  .contact-email { font-size: 24px; }
  .inquiry-panel { padding: 24px; }
  .p-footer .wrap { flex-direction: column; align-items: flex-start; gap: 14px; }
}
@media (max-width: 559px) {
  .header-inner { gap: 12px; }
  .header-inner .brand { gap: 7px; }
  .header-inner .brand img { width: 36px; height: 36px; }
  .header-inner .brand > span { font-size: 20px; }
  .p-mobile-menu { flex-shrink: 0; }
  .p-mobile-menu summary { white-space: nowrap; }
  .hero h1 { font-size: 32px; }
  .range .standard-values, .custom dl { grid-template-columns: 1fr; }
  .range dd { font-size: 27px; }
  .range dd span { font-size: 17px; }
  .video-load { font-size: 15px; bottom: 10px; padding: 9px 12px; }
  .skid-entry { grid-template-columns: 1fr; }
  .skid-entry img { width: 100%; max-width: 280px; }
  .case-photos { grid-template-columns: 1fr; gap: 24px; }
  .case-result .result > strong { display: block; }
  .faq-list summary { font-size: 19px; }
  .field-row { grid-template-columns: 1fr; }
  .requirements-prompts { grid-template-columns: 1fr; gap: 6px; }
  .inquiry-panel { padding: 20px; }
  .email-actions { flex-direction: column; align-items: stretch; }
  .summary-actions { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }