/* mein-dsb.net — original amber and charcoal, entirely local assets. */
:root {
  --amber: #ffb400;
  --amber-hover: #ffc540;
  --amber-soft: #fff6df;
  --ink: #2d2d2f;
  --ink-soft: #404144;
  --muted: #626468;
  --line: #dedfe1;
  --line-dark: #4b4b4e;
  --surface: #f5f5f3;
  --white: #fff;
  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--font); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
body, button, input, textarea, select { font-family: var(--font); }
button, input, textarea, select { font-size: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: default; }
img, svg { max-width: 100%; }
img { display: block; height: auto; }
svg { display: block; }
a { color: inherit; text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
p, h1, h2, h3, h4 { margin: 0; }
p + p { margin-top: 1em; }
h1, h2, h3, h4 { font-weight: 650; line-height: 1.15; overflow-wrap: break-word; }
h1 { font-size: 4.75rem; font-size: clamp(2.75rem, 5.2vw, 4.75rem); letter-spacing: -.052em; }
h2 { font-size: 3rem; font-size: clamp(2rem, 3.3vw, 3rem); letter-spacing: -.04em; }
h3 { font-size: 1.38rem; letter-spacing: -.025em; }
ul, ol { padding-left: 1.3em; }
strong { font-weight: 650; }
::selection { background: var(--amber); color: var(--ink); }
:focus-visible { outline: 3px solid #9b6b00; outline-offset: 5px; }
[hidden] { display: none !important; }
.container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.container > *, .hero-grid > *, .split-layout > *, .content-layout > *, .page-hero-grid > *, .contact-grid > *, .footer-grid > * { min-width: 0; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; transform: translateY(-160%); padding: 12px 18px; background: var(--amber); color: var(--ink); border-radius: 3px; font-weight: 650; }
.skip-link:focus { transform: translateY(0); }

/* Header: navigation stays readable when JavaScript is unavailable. */
.site-header { position: relative; z-index: 20; background: var(--ink); color: var(--white); border-bottom: 1px solid #434345; }
.header-inner { display: flex; align-items: center; gap: 30px; min-height: 104px; padding-block: 23px; }
.brand { display: inline-flex; align-items: center; flex: 0 1 280px; width: 280px; text-decoration: none; }
.brand img { width: 280px; height: auto; aspect-ratio: 350 / 64; object-fit: contain; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 28px; margin-left: auto; }
.nav-links { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 6px 26px; list-style: none; margin: 0; padding: 0; }
.nav-links li { margin: 0; padding: 0; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: .88rem; font-weight: 550; line-height: 1.35; text-decoration: none; transition: color 150ms ease; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--amber); }
.nav-cta { white-space: nowrap; }
.nav-toggle { display: none; align-items: center; justify-content: center; gap: 9px; min-width: 48px; min-height: 44px; margin-left: auto; padding: 9px 11px; color: var(--white); background: transparent; border: 1px solid #77777a; border-radius: 3px; font-size: .84rem; line-height: 1; }
.nav-toggle svg { width: 22px; height: 22px; }
.nav-toggle:hover, .nav-toggle[aria-expanded="true"] { border-color: var(--amber); color: var(--amber); }
.site-header :focus-visible, .footer :focus-visible, .section-dark :focus-visible, .contact-band :focus-visible { outline-color: var(--amber); }

/* Controls */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; max-width: 100%; padding: 13px 23px; border: 1px solid transparent; border-radius: 3px; font-size: .94rem; font-weight: 650; line-height: 1.35; text-align: center; text-decoration: none; transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease; }
.button:hover { text-decoration: none; }
.button-primary { background: var(--amber); color: var(--ink); }
.button-primary:hover { background: var(--amber-hover); }
.button-outline { border-color: #a9aaad; background: transparent; color: var(--ink); }
.button-outline:hover { border-color: var(--ink); background: var(--surface); }
.button-light { background: var(--white); color: var(--ink); }
.button-light:hover { background: var(--amber-soft); }
.button-small { min-height: 44px; padding: 10px 17px; font-size: .86rem; }
.section-dark .button-outline, .contact-band .button-outline, .site-header .button-outline { border-color: #868689; color: var(--white); }
.section-dark .button-outline:hover, .contact-band .button-outline:hover, .site-header .button-outline:hover { background: #3d3d40; border-color: var(--amber); }
.button-arrow { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; width: 18px; height: 18px; font-size: 1.2rem; line-height: 1; }
.button-arrow svg { width: 18px; height: 18px; }
.button-arrow img { width: 8px; height: 16px; object-fit: contain; }
img.button-arrow { width: 8px; height: 16px; object-fit: contain; transform: rotate(180deg); }
.text-link { display: inline-flex; align-items: center; gap: 13px; min-height: 44px; padding-block: 6px; color: var(--ink); font-size: .92rem; font-weight: 650; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.section-copy > .text-link { margin-top: 22px; }
.menu-lines { display: grid; gap: 5px; width: 17px; }
.menu-lines i { display: block; width: 17px; height: 1px; background: currentColor; transition: transform 150ms ease; }
.nav-toggle[aria-expanded="true"] .menu-lines i:first-child { transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .menu-lines i:last-child { transform: translateY(-3px) rotate(-45deg); }
.read-more { display: inline-flex; align-items: center; gap: 13px; min-height: 44px; font-size: .92rem; font-weight: 650; text-decoration: none; }
.read-more:hover { text-decoration: underline; }

/* Homepage */
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; color: var(--ink-soft); font-size: .7rem; font-weight: 700; line-height: 1.5; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; flex: 0 0 24px; width: 24px; height: 2px; background: var(--amber); }
.hero { padding: 78px 0 0; }
.hero-grid { display: grid; grid-template-columns: 1.16fr 1fr; align-items: center; gap: 66px; }
.hero-copy { padding-block: 5px; }
.hero-title { max-width: 690px; margin-bottom: 26px; }
.hero-title .accent { color: var(--ink); text-decoration: underline; text-decoration-color: var(--amber); text-decoration-thickness: .075em; text-underline-offset: .115em; }
.hero-text { max-width: 550px; color: var(--muted); font-size: 1.075rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 31px; }
.hero-note { margin-top: 19px; color: var(--muted); font-size: .78rem; line-height: 1.55; }
.hero-visual { align-self: stretch; display: flex; align-items: center; min-width: 0; }
.tech-figure { width: 100%; margin: 0; padding: 26px; overflow: hidden; background: var(--ink); color: var(--white); border: 1px solid var(--line-dark); border-radius: var(--radius); }
.figure-topline, .figure-bottomline { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 9px 15px; color: #c5c5c8; font-size: .65rem; line-height: 1.5; letter-spacing: .09em; text-transform: uppercase; }
.figure-topline > :last-child { color: var(--amber); }
.figure-bottomline { padding-top: 18px; border-top: 1px solid #515154; letter-spacing: .025em; text-transform: none; }
.figure-bottomline strong { color: var(--white); font-weight: 550; }
.diagram-stage { position: relative; width: 100%; min-width: 0; margin-block: 12px; }
.diagram-svg { display: block; width: 100%; height: auto; color: var(--amber); }
.hero-bottom { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 62px; padding: 29px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-item { display: flex; align-items: center; gap: 14px; font-size: .85rem; font-weight: 550; line-height: 1.5; }
.value-marker { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 29px; width: 29px; height: 29px; border: 1px solid #d3d3d3; color: var(--ink); background: var(--amber-soft); font-size: .7rem; font-weight: 700; }

/* Content sections */
.section { padding-block: 100px; }
.section-soft { background: var(--surface); }
.section-dark { background: var(--ink); color: var(--white); }
.section-dark .eyebrow { color: #d2d2d4; }
.section-dark .section-intro, .section-dark .section-copy > p { color: #c9c9cc; }
.section-heading { max-width: 780px; margin-bottom: 40px; }
.section-heading .eyebrow { margin-bottom: 17px; }
.section-heading.split { display: grid; grid-template-columns: 1.13fr 1fr; align-items: end; gap: 65px; max-width: none; }
.section-heading.split > .eyebrow { grid-column: 1 / -1; margin-bottom: -8px; }
.section-intro { max-width: 600px; color: var(--muted); font-size: 1rem; line-height: 1.7; }
.section-heading h2 + .section-intro { margin-top: 22px; }
.section-heading.split h2 + .section-intro { margin-top: 0; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.service-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 30px 28px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color 160ms ease, transform 160ms ease; }
a.service-card:hover, .service-card:focus-within { border-color: #afafb1; transform: translateY(-3px); }
.service-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; width: 100%; margin-bottom: 35px; }
.service-number { color: #6b6b6d; font-size: .72rem; font-weight: 600; letter-spacing: .08em; }
.service-icon { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; color: var(--ink); }
.service-icon svg { width: 32px; height: 32px; }
.service-icon img { width: 25px; height: 34px; object-fit: contain; }
.service-card h3 { margin-bottom: 17px; }
.service-card p { margin-bottom: 26px; color: var(--muted); font-size: .92rem; line-height: 1.7; }
.service-card .read-more { margin-top: auto; }
.card-arrow { display: inline-flex; align-items: center; justify-content: center; width: 35px; min-height: 35px; margin-top: auto; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); }
.card-arrow svg { width: 17px; height: 17px; }
.card-arrow img { width: 7px; height: 14px; object-fit: contain; }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 96px; align-items: start; }
.section-copy > h2 { margin-bottom: 24px; }
.section-copy > p { color: var(--muted); }
.section-copy > .button, .section-copy > .read-more { margin-top: 28px; }
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.process-item { display: grid; grid-template-columns: 40px 1fr; gap: 21px; padding-block: 25px; border-bottom: 1px solid var(--line); }
.process-number { padding-top: 1px; color: #886000; font-size: .8rem; font-weight: 650; letter-spacing: .06em; }
.process-item h3 { margin-bottom: 10px; font-size: 1.15rem; }
.process-item p { color: var(--muted); font-size: .94rem; line-height: 1.7; }
.section-dark .process-list, .section-dark .process-item { border-color: var(--line-dark); }
.section-dark .process-number { color: var(--amber); }
.section-dark .process-item p { color: #c9c9cc; }

/* Native, keyboard-accessible FAQ. */
.faq-layout { display: grid; grid-template-columns: .76fr 1.24fr; gap: 90px; align-items: start; }
.faq-layout .section-heading { margin-bottom: 0; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 80px; padding: 22px 3px; cursor: pointer; list-style: none; font-size: 1.025rem; font-weight: 600; line-height: 1.5; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::marker { content: ""; }
.faq-list summary::after { content: "+"; display: grid; place-items: center; flex: 0 0 26px; width: 26px; height: 26px; color: var(--ink); font-size: 1.35rem; font-weight: 400; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; color: #8a6000; }
.faq-list summary:hover { color: #805900; }
.faq-answer { max-width: 660px; padding: 0 43px 24px 3px; color: var(--muted); font-size: .95rem; line-height: 1.75; }
.faq-answer a { color: var(--ink); }

/* Knowledge previews and indexes */
.knowledge-grid, .article-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.knowledge-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 28px 0 0; border-top: 2px solid var(--ink); text-decoration: none; }
.knowledge-card:hover { border-top-color: var(--amber); }
.knowledge-tag { display: inline-block; margin-bottom: 18px; color: #6c6d6f; font-size: .68rem; font-weight: 650; letter-spacing: .1em; text-transform: uppercase; }
.knowledge-card h3 { margin-bottom: 16px; font-size: 1.3rem; line-height: 1.3; }
.knowledge-card p { margin-bottom: 19px; color: var(--muted); font-size: .93rem; }
.knowledge-card .read-more { margin-top: auto; }
.knowledge-index { padding-block: 65px 90px; }
.article-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; }
.article-card h2, .article-card h3 { margin-bottom: 16px; font-size: 1.45rem; line-height: 1.25; letter-spacing: -.025em; }
.article-card p { margin-bottom: 24px; color: var(--muted); font-size: .95rem; }
.article-card .read-more { margin-top: auto; }
.article-card:hover, .article-card:focus-within { border-color: #a1a1a4; }

/* Contact strip and footer */
.contact-band { padding-block: 65px; background: var(--ink); color: var(--white); border-top: 4px solid var(--amber); }
.contact-band-inner { display: grid; grid-template-columns: 1.25fr 1fr; gap: 60px; align-items: center; }
.contact-band h2 { max-width: 650px; font-size: 2.8rem; font-size: clamp(2rem, 3.1vw, 2.8rem); }
.contact-band p { max-width: 660px; margin-top: 18px; color: #c9c9cc; }
.contact-band .eyebrow { margin-bottom: 16px; color: #d2d2d4; }
.contact-details { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 16px; }
.contact-details > a:not(.button) { display: inline-flex; align-items: center; min-height: 44px; font-size: .96rem; }
.footer { padding-top: 64px; border-top: 1px solid #4b4b4e; background: var(--ink); color: #cbcbce; font-size: .85rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr .8fr; gap: 45px; padding-bottom: 49px; }
.footer-brand img { width: 245px; max-width: 100%; height: auto; margin-bottom: 21px; }
.footer-brand p { max-width: 290px; color: #b5b5b8; font-size: .83rem; line-height: 1.75; }
.footer-heading { margin: 0 0 17px; color: var(--white); font-size: .72rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: 0; }
.footer-links a { display: inline-flex; align-items: center; min-height: 38px; padding-block: 5px; color: #c9c9cc; font-size: .82rem; text-decoration: none; }
.footer-links a:hover { color: var(--amber); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 13px 30px; padding-block: 22px; border-top: 1px solid #454548; color: #a5a5a9; font-size: .73rem; }
.footer-bottom a { min-height: 44px; display: inline-flex; align-items: center; }
.footer-bottom p + p { margin-top: 0; }
.footer-bottom > div { display: flex; flex-wrap: wrap; column-gap: 24px; }

/* Interior pages */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin-bottom: 37px; color: var(--muted); font-size: .73rem; line-height: 1.6; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 32px; text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--ink); }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; list-style: none; margin: 0; padding: 0; }
.breadcrumb li { min-width: 0; }
.breadcrumb li:not(:last-child)::after { content: "/"; padding-inline: 12px; color: #909193; }
.page-hero { padding: 35px 0 65px; border-bottom: 1px solid var(--line); background: var(--surface); }
.page-hero .eyebrow { margin-bottom: 18px; }
.page-hero h1 { hyphens: auto; max-width: 950px; font-size: 4.25rem; font-size: clamp(2.6rem, 4.8vw, 4.25rem); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .25fr; align-items: end; gap: 54px; }
.page-lead { max-width: 790px; margin-top: 25px; color: var(--muted); font-size: 1.1rem; line-height: 1.75; }
.page-number { justify-self: end; color: #bfc0c0; font-size: clamp(2.8rem, 4.5vw, 4.25rem); font-weight: 300; line-height: 1; letter-spacing: -.07em; white-space: nowrap; }
.page-number span { color: #a77500; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 272px; gap: 90px; align-items: start; padding-block: 0; }
.callout .footer-heading { color: var(--ink); }
.knowledge-index { padding-block: 0; }
.article { min-width: 0; max-width: 805px; }
.article > p { margin-bottom: 24px; }
.article h2 { margin: 0 0 22px; font-size: 2.25rem; font-size: clamp(1.75rem, 2.7vw, 2.25rem); letter-spacing: -.035em; line-height: 1.2; }
.article h3 { margin: 30px 0 15px; font-size: 1.25rem; }
.article p, .article li { overflow-wrap: break-word; }
.article a { overflow-wrap: anywhere; }
.article-section { margin-bottom: 47px; scroll-margin-top: 30px; }
.article-section:last-child { margin-bottom: 0; }
.article-section > p { margin-bottom: 19px; color: #515257; }
.article-section ul, .article-section ol { margin: 20px 0; }
.article-section li { margin-bottom: 11px; padding-left: 6px; color: #515257; }
.article-section li::marker { color: #956800; }
.article-nav { position: sticky; top: 32px; padding: 23px 0 0 22px; border-top: 2px solid var(--amber); border-left: 1px solid var(--line); font-size: .86rem; }
.article-nav h2, .article-nav h3 { margin-bottom: 15px; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.article-nav ul, .article-nav ol { list-style: none; margin: 0; padding: 0; }
.article-nav li { margin: 0; }
.article-nav a { display: block; min-height: 44px; padding: 9px 0; color: var(--muted); line-height: 1.5; text-decoration: none; }
.article-nav a:hover, .article-nav a[aria-current] { color: var(--ink); text-decoration: underline; text-decoration-color: var(--amber); }
.article-nav .button { display: inline-flex; margin-top: 21px; padding-inline: 14px; color: var(--ink); text-decoration: none; }
.source-list { padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.source-list h2, .source-list h3 { font-size: 1.05rem; }
.source-list ul { margin-top: 16px; }
.source-list li { margin-bottom: 9px; }
.notice { padding: 20px 23px; margin-block: 26px; border-left: 3px solid var(--amber); background: var(--amber-soft); color: #58503e; font-size: .88rem; line-height: 1.7; }
.notice p + p { margin-top: 12px; }
.callout { padding: 30px; margin-block: 33px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.callout h2, .callout h3 { margin-top: 0; margin-bottom: 17px; font-size: 1.4rem; }
.callout p { color: var(--muted); font-size: .95rem; }
.callout .button { margin-top: 22px; }
.stat-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 11px 20px; margin-block: 26px; padding-block: 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat-line strong { font-size: 2.5rem; font-weight: 600; line-height: 1.15; letter-spacing: -.04em; }
.stat-line span { color: var(--muted); font-size: .9rem; }
.compare-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-block: 27px; }
.compare-card { min-width: 0; padding: 25px; border: 1px solid var(--line); border-radius: var(--radius); }
.compare-card h3 { margin-top: 0; }
.compare-card p, .compare-card li { font-size: .94rem; }
.check-list { list-style: none; margin: 24px 0; padding: 0; }
.check-list li { position: relative; margin-bottom: 14px; padding-left: 29px; }
.check-list li::before { content: "✓"; position: absolute; top: 0; left: 0; color: #876000; font-weight: 700; }
.steps-inline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-block: 30px; padding: 0; list-style: none; counter-reset: step; }
.steps-inline > li { min-width: 0; padding: 20px 0 0; border-top: 2px solid var(--amber); counter-increment: step; font-size: .92rem; }
.steps-inline > li::before { content: "0" counter(step); display: block; margin-bottom: 15px; color: #866000; font-size: .75rem; font-weight: 650; }
.steps-inline h3 { margin-top: 0; font-size: 1.1rem; }

/* Contact page */
.contact-hint { margin-top: 15px; font-size: .82rem; line-height: 1.6; }
.contact-card-primary { border-top: 3px solid var(--amber); }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; align-items: stretch; }
.contact-card { min-width: 0; padding: 39px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.contact-card h2 { margin-bottom: 23px; font-size: 1.8rem; }
.contact-card p { color: var(--muted); }
.contact-card .button { margin-top: 27px; }
.contact-label { display: block; margin: 26px 0 6px; color: var(--muted); font-size: .72rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase; }
.contact-label:first-child { margin-top: 0; }
.contact-large { display: inline-flex; align-items: center; min-height: 44px; max-width: 100%; color: var(--ink); font-size: clamp(1.1rem, 2vw, 1.55rem); font-weight: 600; letter-spacing: -.025em; overflow-wrap: anywhere; }
.contact-hours { margin-top: 25px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .88rem; }
.contact-card address { font-style: normal; color: var(--muted); }
.contact-card address strong { display: block; margin-bottom: 6px; color: var(--ink); }
.not-found { min-height: 60vh; padding-block: 95px; }
.not-found h1 { max-width: 800px; margin-bottom: 24px; }
.not-found p { max-width: 600px; color: var(--muted); }
.not-found .button { margin-top: 30px; }

@media (min-width: 1400px) {
  .hero { padding-top: 90px; }
  .hero-grid { gap: 78px; }
}

@media (max-width: 1100px) {
  .header-inner { gap: 23px; }
  .brand { flex-basis: 245px; width: 245px; }
  .site-nav { gap: 19px; }
  .nav-links { gap: 5px 19px; }
  .nav-links a { font-size: .82rem; }
  .hero-grid { gap: 38px; }
  .hero-title { font-size: 3.75rem; font-size: clamp(3rem, 5.6vw, 4rem); }
  .tech-figure { padding: 21px; }
  .split-layout { gap: 58px; }
  .faq-layout { gap: 55px; }
  .section-heading.split { gap: 44px; }
  .content-layout { gap: 48px; grid-template-columns: minmax(0, 1fr) 235px; }
  .footer-grid { gap: 28px; grid-template-columns: 1.3fr 1fr 1fr .8fr; }
  .service-card { padding: 27px 23px; }
}

@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; min-height: 87px; gap: 0 22px; padding-block: 20px; }
  .brand { flex-basis: 260px; width: 260px; }
  .nav-toggle:not([hidden]) { display: inline-flex; }
  .site-nav { flex-basis: 100%; justify-content: flex-start; align-items: flex-start; flex-wrap: wrap; width: 100%; margin: 17px 0 0; padding-top: 15px; border-top: 1px solid #515154; }
  .nav-links { justify-content: flex-start; gap: 3px 25px; }
  .nav-links a { font-size: .91rem; }
  .nav-ready .site-nav { display: none; }
  .nav-ready .site-nav[data-open="true"] { display: flex; }
  .hero { padding-top: 52px; }
  .hero-grid { grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
  .hero-title { font-size: 3.1rem; font-size: clamp(2.8rem, 5.6vw, 3.5rem); }
  .hero-text { font-size: 1rem; }
  .hero-actions { gap: 10px; }
  .hero-actions .button { padding-inline: 17px; font-size: .87rem; }
  .hero-visual { align-self: center; }
  .tech-figure { padding: 19px; }
  .figure-topline, .figure-bottomline { font-size: .57rem; }
  .hero-bottom { gap: 21px; margin-top: 45px; }
  .value-item { gap: 10px; font-size: .77rem; }
  .section { padding-block: 76px; }
  .section-heading.split { gap: 34px; }
  .service-grid { gap: 14px; }
  .service-card { padding: 24px 20px; }
  .service-card h3 { font-size: 1.2rem; }
  .service-card p { font-size: .89rem; }
  .split-layout { gap: 38px; }
  .faq-layout { grid-template-columns: .8fr 1.2fr; gap: 38px; }
  .knowledge-grid, .article-grid { gap: 20px; }
  .knowledge-card h3 { font-size: 1.2rem; }
  .article-card { padding: 23px; }
  .contact-band-inner { grid-template-columns: 1.2fr 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; gap: 35px; }
  .footer-grid > :last-child { grid-column: 2 / -1; }
  .content-layout { grid-template-columns: minmax(0, 1fr) 210px; gap: 35px; }
  .article-nav { padding-left: 16px; }
  .contact-grid { gap: 22px; }
  .contact-card { padding: 30px; }
}

@media (max-width: 720px) {
  .container { width: calc(100% - 40px); }
  body { font-size: 16px; }
  h1 { font-size: 2.8rem; font-size: clamp(2.5rem, 8.8vw, 3.3rem); }
  h2 { font-size: 2.15rem; font-size: clamp(1.85rem, 6.4vw, 2.45rem); }
  .hero { padding-top: 43px; }
  .hero-grid { grid-template-columns: 1fr; gap: 35px; }
  .hero-copy { padding: 0; }
  .hero-title { max-width: 620px; font-size: 3.25rem; font-size: clamp(2.7rem, 8.6vw, 3.75rem); line-height: 1.09; margin-bottom: 23px; }
  .eyebrow { margin-bottom: 19px; font-size: .65rem; letter-spacing: .13em; }
  .hero-text { max-width: 600px; font-size: 1.05rem; }
  .hero-actions { margin-top: 25px; gap: 11px; }
  .hero-actions .button { padding-inline: 21px; font-size: .92rem; }
  .hero-note { font-size: .76rem; }
  .hero-visual { width: 100%; }
  .tech-figure { padding: 24px; }
  .figure-topline, .figure-bottomline { font-size: .64rem; }
  .hero-bottom { grid-template-columns: 1fr; gap: 18px; margin-top: 33px; padding-block: 24px; }
  .value-item { gap: 14px; font-size: .88rem; }
  .value-marker { flex-basis: 27px; width: 27px; height: 27px; }
  .section { padding-block: 61px; }
  .section-heading { margin-bottom: 31px; }
  .section-heading.split { grid-template-columns: 1fr; gap: 19px; }
  .section-heading.split > .eyebrow { grid-column: auto; margin-bottom: -1px; }
  .section-heading.split h2 + .section-intro { margin-top: 0; }
  .section-intro { font-size: 1rem; }
  .service-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { padding: 28px; }
  .service-top { margin-bottom: 24px; }
  .service-card h3 { font-size: 1.4rem; }
  .service-card p { max-width: 580px; font-size: .98rem; margin-bottom: 21px; }
  .split-layout, .faq-layout { grid-template-columns: 1fr; gap: 36px; }
  .section-copy > h2 { margin-bottom: 21px; }
  .section-copy > p { font-size: 1rem; }
  .process-item { grid-template-columns: 31px 1fr; gap: 18px; padding-block: 23px; }
  .faq-list summary { min-height: 76px; gap: 20px; padding-block: 21px; font-size: 1rem; }
  .faq-answer { padding-right: 30px; font-size: .95rem; }
  .knowledge-grid, .article-grid { grid-template-columns: 1fr; gap: 30px; }
  .knowledge-card { padding-top: 24px; }
  .knowledge-card h3 { font-size: 1.4rem; }
  .knowledge-card p { font-size: .97rem; }
  .knowledge-tag { margin-bottom: 15px; }
  .article-card { padding: 28px; }
  .contact-band { padding-block: 46px; }
  .contact-band-inner { grid-template-columns: 1fr; gap: 27px; }
  .contact-details { justify-content: flex-start; }
  .contact-band h2 { font-size: 2.15rem; }
  .contact-band p { font-size: .98rem; }
  .footer { padding-top: 46px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 28px; padding-bottom: 35px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand img { width: 250px; margin-bottom: 16px; }
  .footer-brand p { max-width: 430px; font-size: .87rem; }
  .footer-grid > :last-child { grid-column: auto; }
  .footer-links a { min-height: 44px; font-size: .85rem; }
  .footer-heading { margin-bottom: 10px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; padding-block: 22px; }
  .page-hero { padding: 23px 0 43px; }
  .breadcrumb { margin-bottom: 27px; font-size: .72rem; }
  .page-hero h1 { font-size: 2.8rem; font-size: clamp(2.5rem, 8vw, 3.4rem); overflow-wrap: break-word; }
  .page-hero-grid { grid-template-columns: 1fr; gap: 0; }
  .page-number { display: none; }
  .page-lead { margin-top: 23px; font-size: 1.05rem; line-height: 1.7; }
  .content-layout { grid-template-columns: 1fr; gap: 38px; padding-block: 0; }
  .article { max-width: none; }
  .article h2 { font-size: 1.85rem; }
  .article-section { margin-bottom: 38px; }
  .article-section > p { font-size: 1rem; }
  .article-nav { position: static; padding-top: 24px; padding-left: 0; border-left: 0; }
  .article-nav a { font-size: .94rem; }
  .callout { padding: 24px; margin-block: 28px; }
  .notice { padding: 19px 20px; }
  .knowledge-index { padding-block: 0; }
  .compare-grid { grid-template-columns: 1fr; gap: 17px; }
  .steps-inline { grid-template-columns: 1fr; gap: 22px; }
  .steps-inline > li { padding-top: 17px; }
  .contact-grid { grid-template-columns: 1fr; gap: 22px; }
  .contact-card { padding: 27px; }
  .contact-large { font-size: 1.35rem; }
  .not-found { padding-block: 62px; }
}

@media (max-width: 420px) {
  .container { width: calc(100% - 32px); }
  .header-inner { gap: 0 10px; padding-block: 18px; min-height: 80px; }
  .brand { flex: 0 1 218px; width: 218px; max-width: calc(100% - 104px); }
  .nav-toggle { min-width: 44px; padding-inline: 9px; }
  .nav-toggle span { font-size: .72rem; }
  .nav-links { flex-direction: column; align-items: flex-start; gap: 1px; width: 100%; }
  .nav-links li, .nav-links a { width: 100%; }
  .site-nav { gap: 17px; padding-bottom: 5px; }
  .hero-title { font-size: 2.65rem; letter-spacing: -.052em; }
  .hero-text { font-size: 1rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-note { font-size: .72rem; }
  .tech-figure { padding: 18px 15px; }
  .figure-topline, .figure-bottomline { font-size: .57rem; gap: 7px; }
  .figure-bottomline { padding-top: 15px; }
  .service-card, .article-card { padding: 25px 23px; }
  .footer-grid { gap: 25px 18px; }
  .footer-links a { font-size: .8rem; overflow-wrap: anywhere; }
  .footer-heading { font-size: .65rem; }
  .contact-details { align-items: stretch; flex-direction: column; }
  .contact-details .button { width: 100%; }
  .contact-card { padding: 25px 22px; }
  .contact-large { font-size: 1.17rem; }
  .page-hero h1 { font-size: 2.5rem; }
  .article h2 { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  a.service-card:hover, .service-card:focus-within { transform: none; }
}

@media print {
  body { color: #000; background: #fff; font-size: 11pt; }
  .container { width: 100%; }
  .site-header, .footer, .site-nav, .hero-visual, .hero-actions, .contact-band, .article-nav, .nav-toggle, .skip-link { display: none !important; }
  .hero, .section, .page-hero, .content-layout, .page-contact { padding-block: 20px; background: #fff; }
  .hero-grid, .content-layout, .split-layout, .faq-layout, .page-hero-grid, .contact-grid { display: block; }
  h1 { font-size: 28pt !important; }
  h2 { font-size: 19pt !important; }
  .section-dark { color: #000; }
  .section-dark p, .section-dark .section-intro, .section-dark .eyebrow { color: #333; }
  .article-section, .service-card, .contact-card { break-inside: avoid; }
  a { color: #000; }
}