:root {
  --av2-navy: #111827;
  --av2-navy-deep: #070b11;
  --av2-blue: #0b63ce;
  --av2-amber: #e94b35;
  --av2-amber-dark: #c93625;
  --av2-steel: #f3f4f6;
  --av2-line: #dfe3e8;
  --av2-text: #111827;
  --av2-muted: #566273;
  --av2-white: #ffffff;
  --av2-max: 1140px;
  --av2-radius: 5px;
  --av4-red: #e94b35;
  --av4-black: #070b11;
  --av4-band: #171717;
  --av4-green: #24c864;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body { margin: 0; overflow-x: clip; color: var(--av2-text); background: #fff; font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--av2-blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--av4-red); }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 3px solid #ffb4a9; outline-offset: 3px; }
#products, #rfq, #rfq-form { scroll-margin-top: 118px; }

.av2-container { width: min(calc(100% - 40px), var(--av2-max)); margin-inline: auto; }
.av2-main { min-height: 60vh; }
.av2-section { padding: 82px 0; }
.av2-section-muted { background: var(--av2-steel); }
.av2-section-dark { color: #fff; background: var(--av4-black); }
.av2-section-header { max-width: 720px; margin: 0 0 40px; }
.av2-section-header h2 { margin-bottom: 16px; }
.av2-eyebrow { margin: 0 0 10px; color: var(--av4-red); font-size: .82rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; color: inherit; font-weight: 800; line-height: 1.08; letter-spacing: -.025em; }
h1 { font-size: clamp(2.8rem, 4.2vw, 3.35rem); }
h2 { font-size: clamp(2.25rem, 3.4vw, 2.85rem); }
h3 { font-size: 1.35rem; }
p { margin-top: 0; }
.av2-lede { max-width: 720px; color: var(--av2-muted); font-size: 1.08rem; }
.av2-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.av2-prose { max-width: 820px; padding-block: 74px; }
.av2-prose p, .av2-prose li { color: var(--av2-muted); }

.av2-skip-link { position: fixed; top: -100px; left: 16px; z-index: 1000; padding: 12px 16px; color: #fff; background: var(--av4-black); }
.av2-skip-link:focus { top: 16px; }
.av2-site-header { position: sticky; top: 0; z-index: 60; border-bottom: 1px solid #e8eaed; background: #fff; }
.av2-header-main { min-height: 102px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.av2-brand { flex: 0 0 auto; }
.av2-brand img { width: 205px; height: auto; }
.av2-primary-nav { display: flex; align-items: center; gap: 28px; }
.av2-nav-list { display: flex; align-items: center; gap: 23px; margin: 0; padding: 0; list-style: none; }
.av2-nav-list a { color: var(--av2-navy); font-size: .91rem; font-weight: 750; text-decoration: none; white-space: nowrap; }
.av2-nav-list a:hover { color: var(--av4-red); }
.av2-nav-toggle { display: none; min-width: 48px; min-height: 44px; padding: 8px 12px; border: 1px solid var(--av2-line); border-radius: 5px; color: var(--av2-navy); background: #fff; font-weight: 800; }

.av2-button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 13px 20px; border: 1px solid var(--av4-red); border-radius: 5px; color: #fff; background: var(--av4-red); font-size: .94rem; font-weight: 800; line-height: 1.2; text-align: center; text-decoration: none; cursor: pointer; }
.av2-button:hover { border-color: var(--av2-amber-dark); color: #fff; background: var(--av2-amber-dark); }
.av2-button-secondary, .av2-button-light { border-color: #fff; color: var(--av2-navy); background: #fff; }
.av2-button-secondary:hover, .av2-button-light:hover { border-color: #e4e7eb; color: var(--av4-red); background: #f7f7f7; }
.av2-button-small { min-height: 40px; padding: 10px 18px; }
.av2-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin: 28px 0; }
.av2-text-link { color: var(--av4-red); font-weight: 800; text-decoration: none; }

.av4-home-hero { position: relative; color: #fff; background: var(--av4-black); }
.av4-home-hero-media { position: relative; height: 205px; overflow: hidden; background: #1b2732; }
.av4-home-hero-media::after { position: absolute; inset: 0; content: ""; background: rgba(7, 11, 17, .34); pointer-events: none; }
.av4-home-hero-image { position: absolute; top: 0; right: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: 50% 43%; }
.av4-home-hero-body { height: 415px; min-height: 415px; background: var(--av4-black); }
.av4-home-hero-copy { position: relative; z-index: 2; width: min(560px, 100%); padding-bottom: 42px; transform: translateY(-96px); }
.av4-home-hero-copy h1 { margin-bottom: 12px; color: #fff; font-size: clamp(3.25rem, 4.1vw, 3.35rem); line-height: .98; letter-spacing: -.035em; }
.av4-home-hero-lede { max-width: 560px; margin-bottom: 0; color: #fff; font-size: 1rem; line-height: 1.6; }
.av4-hero-proof { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 34px; }
.av4-hero-proof div { min-height: 66px; padding: 0 16px; border-left: 2px solid #555a60; }
.av4-hero-proof div:first-child { padding-left: 14px; }
.av4-hero-proof strong, .av4-hero-proof span { display: block; }
.av4-hero-proof strong { color: #fff; font-size: 1.12rem; }
.av4-hero-proof span { color: #d5d8dd; font-size: .78rem; line-height: 1.4; }

.av4-trust-band { color: #fff; background: var(--av4-band); }
.av4-trust-band > .av2-container { width: 100%; max-width: none; }
.av4-trust-band-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.av4-trust-band-grid div { min-height: 96px; padding: 22px 32px; border-left: 1px solid #343434; }
.av4-trust-band-grid div:last-child { border-right: 1px solid #343434; }
.av4-trust-band-grid strong, .av4-trust-band-grid span { display: block; }
.av4-trust-band-grid strong { color: #fff; font-size: 1.13rem; }
.av4-trust-band-grid span { margin-top: 4px; color: #c9c9c9; font-size: .78rem; line-height: 1.45; }

.av4-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 38px; }
.av4-section-heading h2 { max-width: 690px; margin-bottom: 0; }
.av4-section-heading .av2-text-link { flex: 0 0 auto; margin-bottom: 8px; }
.av4-product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.av4-product-card { overflow: hidden; border: 1px solid var(--av2-line); border-radius: 5px; background: #fff; }
.av4-product-card-media { display: block; aspect-ratio: 1.45; overflow: hidden; background: #e9edf0; }
.av4-product-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.av4-product-card:hover .av4-product-card-media img { transform: scale(1.025); }
.av4-product-card-body { padding: 22px; }
.av4-product-card-body h3 { margin-bottom: 10px; }
.av4-product-card-body h3 a { color: var(--av2-text); text-decoration: none; }
.av4-product-card-body p { color: var(--av2-muted); font-size: .92rem; }

.av4-numbered-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid #cfd5db; }
.av4-numbered-list article { display: grid; grid-template-columns: 64px 1fr; gap: 18px; min-height: 164px; padding: 28px 26px 28px 0; border-bottom: 1px solid #cfd5db; }
.av4-numbered-list article:nth-child(odd) { padding-right: 40px; border-right: 1px solid #cfd5db; }
.av4-numbered-list article:nth-child(even) { padding-left: 40px; }
.av4-numbered-list-index, .av4-step-number { color: var(--av4-red); font-size: 1.65rem; font-weight: 850; line-height: 1; }
.av4-numbered-list h2, .av4-numbered-list h3 { margin-bottom: 8px; }
.av4-numbered-list p { margin-bottom: 8px; color: var(--av2-muted); }

.av4-media-split, .av4-detail-intro, .av4-evidence-split, .av4-product-feature { display: grid; grid-template-columns: 1.05fr .95fr; align-items: stretch; gap: 58px; }
.av4-media-split-media, .av4-detail-media, .av4-evidence-media, .av4-product-feature-media { min-height: 440px; overflow: hidden; background: #e9edf0; }
.av4-media-split-media img, .av4-detail-media img, .av4-evidence-media img, .av4-product-feature-media img { width: 100%; height: 100%; object-fit: cover; }
.av4-product-feature-media-contain { background: #171717; }
.av4-product-feature-media-contain img { object-fit: contain; }
.av4-media-split-copy, .av4-detail-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 32px; }
.av4-product-feature-reverse .av4-product-feature-media { order: 2; }
.av2-check-list { padding-left: 20px; color: var(--av2-muted); }
.av2-check-list li { margin: 8px 0; }

.av4-factory-home .av4-section-heading h2, .av2-section-dark .av4-section-heading h2 { color: #fff; }
.av4-factory-home .av4-section-heading .av2-text-link, .av2-section-dark .av2-text-link { color: #ff7a68; }
.av4-factory-story { display: grid; grid-template-columns: 1.35fr .65fr; min-height: 430px; margin-bottom: 34px; border: 1px solid rgba(255,255,255,.18); }
.av4-factory-story-media { min-height: 430px; overflow: hidden; background: #1b2732; }
.av4-factory-story-media img { width: 100%; height: 100%; object-fit: cover; }
.av4-factory-story-copy { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding: 42px; background: #111820; }
.av4-factory-story-copy h3 { margin-bottom: 16px; color: #fff; font-size: clamp(1.8rem, 2.5vw, 2.35rem); }
.av4-factory-story-copy p:not(.av2-eyebrow) { color: #cbd2da; }
.av2-proof-page-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.av2-proof-page-grid figure { margin: 0; overflow: hidden; border: 1px solid rgba(255,255,255,.16); background: #fff; }
.av2-proof-page-grid img { width: 100%; aspect-ratio: 1.65; object-fit: cover; }
.av2-proof-page-grid figcaption { padding: 22px; color: var(--av2-text); }
.av2-proof-page-grid figcaption h2, .av2-proof-page-grid figcaption h3 { margin-bottom: 8px; }
.av2-proof-page-grid figcaption p { margin: 0; color: var(--av2-muted); }
.av4-factory-process { display: grid; grid-template-columns: repeat(4,1fr); margin: 34px 0 0; padding: 0; border-block: 1px solid rgba(255,255,255,.2); list-style: none; }
.av4-factory-process li { min-height: 112px; padding: 24px; border-right: 1px solid rgba(255,255,255,.2); }
.av4-factory-process li:last-child { border-right: 0; }
.av4-factory-process span, .av4-factory-process strong { display: block; }
.av4-factory-process span { margin-bottom: 12px; color: var(--av4-red); font-weight: 850; }
.av4-factory-process strong { color: #fff; }

.av4-information-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--av2-line); border-bottom: 1px solid var(--av2-line); }
.av4-information-grid article { padding: 28px 24px; border-right: 1px solid var(--av2-line); }
.av4-information-grid article:last-child { border-right: 0; }
.av4-information-grid h2, .av4-information-grid h3 { margin: 14px 0 8px; }
.av4-information-grid p { margin: 0; color: var(--av2-muted); }

.av4-page-hero { color: #fff; background: var(--av4-black); }
.av4-page-hero-media { position: relative; height: 190px; overflow: hidden; background: #1b2732; }
.av4-page-hero-media::after { position: absolute; inset: 0; content: ""; background: rgba(7,11,17,.3); }
.av4-page-hero-media img { position: absolute; top: 0; right: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; object-position: center 48%; }
.av4-page-hero-body { min-height: 280px; background: var(--av4-black); }
.av4-page-hero-copy { position: relative; z-index: 2; max-width: 720px; padding-bottom: 54px; transform: translateY(-74px); }
.av4-page-hero-copy h1 { margin-bottom: 14px; color: #fff; font-size: clamp(2.8rem, 4vw, 3.45rem); line-height: 1.01; }
.av4-page-hero-copy .av2-lede { color: #fff; }

.av4-products-section, .av4-needs-section, .av4-specification-section, .av4-factory-lead, .av4-guides-section { padding-top: 72px; }
.av4-guide-layout { display: grid; grid-template-columns: 1.5fr .65fr; gap: 48px; align-items: start; }
.av4-guide-articles { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.av4-guide-articles article, .av4-guide-sidebar, .av4-information-panel { padding: 28px; border: 1px solid var(--av2-line); background: #fff; }
.av4-guide-articles p, .av4-guide-sidebar p, .av4-information-panel li { color: var(--av2-muted); }
.av4-guide-sidebar { position: sticky; top: 126px; }

.av2-spec-grid { display: grid; grid-template-columns: .8fr 1.2fr; align-items: start; gap: 58px; }
.av2-spec-list { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); margin: 0; padding: 0; list-style: none; }
.av2-spec-list > div, .av2-spec-list > li { min-height: 145px; padding: 18px; border-left: 1px solid var(--av2-line); }
.av2-spec-list dt, .av2-spec-list strong { font-weight: 800; }
.av2-spec-list dd { margin: 8px 0 0; color: var(--av2-muted); }
.av2-process-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.av2-process-grid li { min-height: 170px; padding: 28px; border-top: 3px solid var(--av4-red); border-right: 1px solid var(--av2-line); }
.av2-process-grid li:last-child { border-right: 0; }
.av2-process-grid strong, .av2-process-grid span { display: block; }
.av2-process-grid span { margin-top: 8px; color: var(--av2-muted); }
.av2-process-list { margin: 0; padding-left: 24px; }
.av2-process-list li { margin-bottom: 14px; padding-left: 8px; }

.av4-detail-information { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.av4-detail-rfq { display: flex; align-items: center; justify-content: space-between; gap: 38px; }
.av4-detail-rfq > div { max-width: 700px; }
.av4-about-intro { max-width: 860px; }
.av4-faq-page-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: 60px; align-items: start; }

.av2-faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 60px; }
.av2-faq-item { border-bottom: 1px solid #c9d0d8; }
.av2-faq-item h3 { margin: 0; }
.av2-faq-item button { width: 100%; min-height: 62px; padding: 16px 0; border: 0; color: var(--av2-text); background: transparent; font-weight: 800; text-align: left; cursor: pointer; }
.av2-faq-item > div { padding-bottom: 18px; color: var(--av2-muted); }
.av2-faq-item p { color: var(--av2-muted); }

.av2-rfq-shell { display: grid; grid-template-columns: .72fr 1.28fr; gap: 52px; align-items: start; }
.av2-rfq-intro a, .av2-section-dark a { color: #fff; }
.av2-rfq-card { padding: 30px; border: 1px solid #e0e4e8; border-radius: 5px; color: var(--av2-text); background: #fff; }
.av2-form { position: relative; }
.av2-form-errors { margin-bottom: 18px; padding: 12px 14px; border: 1px solid #b42318; color: #8a1c13; background: #fff4f2; }
.av2-field-error { display: block; color: #b42318; font-size: .82rem; font-weight: 700; }
.av2-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.av2-field { display: grid; gap: 7px; color: var(--av2-text); font-size: .88rem; font-weight: 800; }
.av2-field-label { display: inline-flex; gap: 3px; }
.av2-field input, .av2-field select, .av2-field textarea { width: 100%; min-height: 48px; padding: 11px 13px; border: 1px solid #b9c4cf; border-radius: 4px; color: var(--av2-text); background: #fff; font-weight: 400; }
.av2-field textarea { min-height: 132px; resize: vertical; }
.av2-field small { color: var(--av2-muted); font-weight: 400; }
.av2-field-wide { margin-top: 18px; }
.av2-consent { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0; color: var(--av2-muted); font-size: .86rem; }
.av2-consent input { width: 18px; height: 18px; margin-top: 2px; }
.av2-form-actions { display: flex; align-items: center; gap: 18px; }
.av2-form-actions p { margin: 0; color: var(--av2-muted); }
.av2-form button:disabled { opacity: .6; cursor: wait; }
.av2-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.av4-contact-facts { display: grid; grid-template-columns: repeat(4,1fr); border-block: 1px solid var(--av2-line); }
.av4-contact-facts article { padding: 26px; border-right: 1px solid var(--av2-line); }
.av4-contact-facts article:last-child { border-right: 0; }
.av4-contact-facts h2 { font-size: 1.08rem; }
.av4-contact-facts p { color: var(--av2-muted); font-size: .9rem; }
.av2-contact-form-layout { display: grid; grid-template-columns: .62fr 1.38fr; align-items: start; gap: 52px; }
.av2-privacy-note { max-width: 760px; margin: 30px auto 0; color: var(--av2-muted); text-align: center; }

.av2-footer { padding-top: 60px; color: #cbd2da; background: var(--av4-black); }
.av2-footer a { color: #fff; text-decoration: none; }
.av2-footer-grid { display: grid; grid-template-columns: 1.65fr repeat(3, 1fr); gap: 44px; }
.av2-footer h2 { margin-bottom: 15px; color: #fff; font-size: 1rem; }
.av2-footer ul { margin: 0; padding: 0; list-style: none; }
.av2-footer li { margin: 8px 0; font-size: .9rem; }
.av2-footer-brand img { max-width: 190px; filter: brightness(0) invert(1); }
.av2-footer-brand p { max-width: 390px; margin-top: 20px; }
.av2-footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.15); font-size: .82rem; }
.av2-footer-bottom p { margin: 0; }
.av2-footer-bottom div { display: flex; gap: 20px; }

.av2-contact-dock { position: fixed; right: 24px; bottom: 26px; z-index: 45; display: grid; gap: 8px; width: 76px; transition: opacity .2s ease, transform .2s ease; }
.av2-contact-dock-link { display: flex; width: 76px; min-height: 60px; flex-direction: column; align-items: center; justify-content: center; gap: 3px; overflow: hidden; padding: 7px 4px; border-radius: 6px; color: #fff; background: var(--av2-navy); text-align: center; text-decoration: none; }
.av2-contact-dock-link:first-child { background: var(--av4-green); }
.av2-contact-dock-link:last-child { background: var(--av4-red); }
.av2-contact-dock-link .dashicons { width: 23px; height: 23px; font-size: 23px; }
.av2-contact-dock-link > span:last-child { position: static; width: auto; height: auto; max-width: 100%; overflow: hidden; color: inherit; font-size: .68rem; line-height: 1.1; text-overflow: ellipsis; white-space: nowrap; }
.av2-contact-dock-link:hover { color: #fff; transform: translateY(-2px); }
.av2-contact-zone .av2-contact-dock { opacity: .68; }
.av2-contact-zone .av2-contact-dock:hover, .av2-contact-zone .av2-contact-dock:focus-within { opacity: 1; }

@media (max-width: 1120px) {
  .av2-header-main { min-height: 82px; }
  .av2-brand img { width: 172px; }
  .av2-nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .av2-primary-nav { position: absolute; inset: 100% 0 auto; display: none; padding: 20px max(20px, calc((100vw - var(--av2-max)) / 2)); border-top: 1px solid var(--av2-line); border-bottom: 1px solid var(--av2-line); background: #fff; }
  .av2-primary-nav.is-open { display: block; }
  .av2-nav-list { display: block; }
  .av2-nav-list li { border-bottom: 1px solid var(--av2-line); }
  .av2-nav-list a { display: block; min-height: 46px; padding: 11px 4px; font-size: 1rem; }
  .av2-primary-nav .av2-button { width: 100%; margin-top: 16px; }
  .av2-menu-open { overflow: hidden; }
  .av4-information-grid { grid-template-columns: repeat(2,1fr); }
  .av4-information-grid article:nth-child(2) { border-right: 0; }
  .av4-information-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--av2-line); }
  .av2-spec-grid { grid-template-columns: 1fr; }
  .av2-spec-list { grid-template-columns: repeat(3,1fr); }
}

@media (min-width: 1392px) {
  .av4-trust-band-grid div:last-child { padding-right: 120px; }
}

@media (max-width: 1391px) {
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }
  .av2-contact-dock { top: auto; right: 0; bottom: 0; left: 0; grid-template-columns: repeat(3, 1fr); gap: 0; width: 100%; height: calc(60px + env(safe-area-inset-bottom)); padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid rgba(255,255,255,.18); background: var(--av2-navy); }
  .av2-contact-dock-link, .av2-contact-dock-link:first-child, .av2-contact-dock-link:last-child { width: 100%; height: 60px; min-height: 60px; flex-direction: row; gap: 7px; padding: 0 8px; border-right: 1px solid rgba(255,255,255,.18); border-radius: 0; background: var(--av2-navy); }
  .av2-contact-dock-link:last-child { border-right: 0; }
  .av2-contact-dock-link > span:last-child { font-size: .75rem; }
  .av2-form-active .av2-contact-dock { transform: translateY(120%); }
  .av2-contact-zone .av2-contact-dock { opacity: 0; pointer-events: none; transform: translateY(120%); }
}

@media (max-width: 768px) {
  .av2-container { width: min(calc(100% - 40px), var(--av2-max)); }
  .av2-header-main { min-height: 72px; }
  .av2-brand img { width: 155px; }
  .av2-section { padding: 58px 0; }
  .av4-home-hero-media { height: 240px; }
  .av4-home-hero-image { width: 100%; object-position: 50% 45%; }
  .av4-home-hero-body { height: auto; min-height: 0; }
  .av4-home-hero-copy { width: 100%; padding: 42px 0 48px; transform: none; }
  .av4-home-hero-copy h1 { font-size: clamp(2.3rem, 10.5vw, 2.75rem); line-height: 1.02; }
  .av4-home-hero-lede { font-size: 1rem; }
  .av4-home-hero-copy .av2-actions { display: grid; }
  .av4-home-hero-copy .av2-button { width: 100%; }
  .av4-hero-proof { grid-template-columns: 1fr; gap: 20px; }
  .av4-hero-proof div { min-height: 0; padding-left: 14px; }
  .av4-trust-band-grid { grid-template-columns: repeat(2,1fr); }
  .av4-trust-band-grid div { min-height: 112px; padding: 20px; border-bottom: 1px solid #343434; }
  .av4-section-heading { display: block; }
  .av4-section-heading .av2-text-link { display: inline-block; margin-top: 16px; }
  .av4-product-grid, .av4-numbered-list, .av2-proof-page-grid, .av4-guide-articles, .av4-detail-information { grid-template-columns: 1fr; }
  .av4-numbered-list article, .av4-numbered-list article:nth-child(odd), .av4-numbered-list article:nth-child(even) { grid-template-columns: 48px 1fr; min-height: 0; padding: 24px 0; border-right: 0; }
  .av4-media-split, .av4-detail-intro, .av4-evidence-split, .av4-product-feature, .av4-factory-story { grid-template-columns: 1fr; gap: 28px; }
  .av4-media-split-media, .av4-detail-media, .av4-evidence-media, .av4-product-feature-media { min-height: 300px; }
  .av4-product-feature-reverse .av4-product-feature-media { order: 0; }
  .av4-factory-story { min-height: 0; }
  .av4-factory-story-media { min-height: 280px; }
  .av4-factory-story-copy { padding: 30px 24px; }
  .av4-factory-process { grid-template-columns: repeat(2,1fr); }
  .av4-factory-process li:nth-child(2) { border-right: 0; }
  .av4-factory-process li:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.2); }
  .av4-information-grid { grid-template-columns: 1fr; }
  .av4-information-grid article { border-right: 0; border-bottom: 1px solid var(--av2-line); }
  .av4-page-hero-media { height: 230px; }
  .av4-page-hero-media img { width: 100%; }
  .av4-page-hero-body { min-height: 0; }
  .av4-page-hero-copy { padding: 40px 0 48px; transform: none; }
  .av4-page-hero-copy h1 { font-size: clamp(2.25rem, 10vw, 2.8rem); }
  .av4-guide-layout, .av4-faq-page-layout { grid-template-columns: 1fr; gap: 32px; }
  .av4-guide-sidebar { position: static; }
  .av2-spec-list { grid-template-columns: 1fr; }
  .av2-spec-list > div, .av2-spec-list > li { min-height: 0; border-left: 0; border-bottom: 1px solid var(--av2-line); }
  .av2-process-grid { grid-template-columns: 1fr; }
  .av2-process-grid li { min-height: 0; border-right: 0; border-bottom: 1px solid var(--av2-line); }
  .av2-faq-layout, .av2-rfq-shell, .av2-contact-form-layout { grid-template-columns: 1fr; gap: 34px; }
  .av2-form-grid { grid-template-columns: 1fr; }
  .av2-form-actions { align-items: stretch; flex-direction: column; }
  .av2-form-actions .av2-button { width: 100%; }
  .av4-contact-facts { grid-template-columns: 1fr; }
  .av4-contact-facts article { border-right: 0; border-bottom: 1px solid var(--av2-line); }
  .av2-footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .av2-footer-bottom { display: block; }
  .av2-footer-bottom div { margin-top: 12px; }
}

@media (max-width: 420px) {
  .av2-container { width: calc(100% - 30px); }
  .av2-rfq-card { padding: 22px 18px; }
  .av4-trust-band-grid { grid-template-columns: repeat(2, 1fr); }
}

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