/*
 * buelau-tech / Der Computer-Doktor — online business card
 * Source: CORPORATE-DESIGN v2 + vector identity kit v01.
 * No imported fonts, libraries, JavaScript, tracking or third-party resources.
 * Inter is used when installed; the system fallback is intentionally supported.
 */
:root {
  --canvas: #F4F3F0;
  --surface: #FFFEFB;
  --ink: #1D2422;
  --muted: #626E69;
  --teal: #176B5B;
  --teal-dark: #105447;
  --orange: #FF641F;
  --rule: #D8DDD9;
  --font: Inter, Arial, Aptos, "Segoe UI", sans-serif;
  --content: 1160px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; color-scheme: light; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
img { display: block; height: auto; }
a { color: var(--teal); text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { color: var(--teal-dark); }
a:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--teal); outline-offset: 5px; border-radius: 3px; }
::selection { background: var(--teal); color: var(--surface); }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { text-wrap: balance; }
.shell { width: min(var(--content), calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 5; left: 16px; top: 12px; transform: translateY(-180%); padding: 12px 18px; background: var(--surface); color: var(--ink); border: 1px solid var(--ink); border-radius: 4px; }
.skip-link:focus { transform: translateY(0); }
.site-header { min-height: 154px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--rule); }
.brand { display: inline-block; flex: 0 1 318px; min-width: 0; }
.brand img { width: 318px; height: auto; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { display: inline-flex; align-items: center; gap: 16px; min-height: 48px; color: var(--ink); font-size: 14px; font-weight: 500; text-decoration: none; }
.main-nav a:hover { text-decoration: underline; }
.main-nav .nav-contact { color: var(--teal); }
.nav-contact span { font-size: 22px; line-height: 1; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 420px; gap: 104px; align-items: center; padding-block: 72px 76px; }
.eyebrow { color: var(--muted); font-size: 13px; line-height: 1.5; font-weight: 500; letter-spacing: .10em; text-transform: uppercase; }
.hero-copy > .eyebrow { display: flex; align-items: center; gap: 12px; }
.eyebrow-rule { width: 24px; height: 2px; flex-shrink: 0; background: var(--teal); }
h1 { margin-top: 24px; font-size: clamp(44px, 4.5vw, 56px); font-weight: 600; letter-spacing: -.045em; line-height: 1.06; }
h1 span { color: var(--teal); }
.intro { max-width: 440px; margin-top: 28px; font-size: 18px; line-height: 1.65; }
.service-mode { margin-top: 20px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.mobile-break { display: none; }
.contact-card { position: relative; isolation: isolate; background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; padding: 32px; scroll-margin-top: 24px; }
.contact-card__heading, .contact-actions, .contact-card__bottom { position: relative; z-index: 1; }
.contact-card h2 { margin-top: 12px; font-size: 27px; font-weight: 600; letter-spacing: -.035em; line-height: 1.2; }
.contact-role { color: var(--muted); font-size: 14px; margin-top: 4px; }
.contact-actions { margin-top: 28px; }
.call-button, .email-link { display: flex; align-items: center; gap: 16px; text-decoration: none; }
.call-button { width: 100%; padding: 14px 18px; min-height: 76px; border: 1px solid transparent; background: var(--orange); color: var(--ink); border-radius: 8px; transition: background-color .12s ease, color .12s ease; }
.call-button img { width: 24px; height: 24px; flex-shrink: 0; filter: brightness(0); }
.call-button .arrow, .email-link .arrow { margin-left: auto; flex-shrink: 0; }
.call-button small, .email-link small { display: block; font-size: 13px; line-height: 1.45; font-weight: 400; }
.call-button strong { display: block; font-size: 21px; letter-spacing: -.025em; font-weight: 600; line-height: 1.5; font-variant-numeric: tabular-nums; }
.call-button:hover { background: var(--ink); color: var(--surface); }
.call-button:hover img { filter: brightness(0) invert(1); }
.email-link { margin-top: 8px; min-height: 76px; padding: 12px 0; color: var(--teal); }
.email-link img { width: 22px; height: 22px; flex-shrink: 0; }
.email-link small { color: var(--muted); }
.email-link strong { display: block; font-size: 16px; font-weight: 500; line-height: 1.7; overflow-wrap: anywhere; }
.email-link:hover strong { text-decoration: underline; }
.email-link > span { min-width: 0; }
.contact-card__bottom { margin-top: 16px; padding-top: 18px; border-top: 1px solid var(--rule); }
.save-contact { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; color: var(--teal); font-size: 13px; font-weight: 500; text-decoration: none; }
.save-contact:hover { text-decoration: underline; }
.save-contact svg { flex-shrink: 0; }
.filetype { color: var(--muted); font-size: 13px; font-weight: 400; }
.contact-card__bottom p { margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.card-circuit { position: absolute; right: 0; bottom: 0; width: 132px; height: 132px; border-bottom-right-radius: 12px; pointer-events: none; z-index: 0; }
.services { border-top: 1px solid var(--rule); padding-block: 28px 52px; scroll-margin-top: 28px; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 24px; }
.section-heading h2 { font-size: 20px; font-weight: 600; letter-spacing: -.025em; }
.section-heading p { font-size: 13px; color: var(--muted); }
.services-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.services-grid li { position: relative; padding-left: 44px; padding-right: 24px; }
.services-grid li + li { border-left: 1px solid var(--rule); padding-left: 60px; }
.service-number { position: absolute; top: 1px; left: 0; color: var(--teal); font-size: 13px; font-variant-numeric: tabular-nums; font-weight: 500; }
.services-grid li + li .service-number { left: 20px; }
.services h3 { font-size: 17px; line-height: 1.45; letter-spacing: -.02em; font-weight: 600; }
.services-grid p { margin-top: 8px; font-size: 14px; line-height: 1.65; color: var(--muted); }
.site-footer { min-height: 96px; border-top: 1px solid var(--rule); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 13px; }
.site-footer strong { font-weight: 600; color: var(--ink); }
.footer-dot { display: inline-block; margin-inline: 10px; }
.site-footer nav { display: flex; gap: 24px; }
.site-footer a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }

/* Legal-page shells. Marked drafts until the owner supplies missing details. */
.legal-shell { max-width: 760px; padding-block: 48px 64px; }
.legal-back { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 14px; text-decoration: none; }
.legal-back:hover { text-decoration: underline; }
.legal-page h1 { margin-top: 24px; font-size: 38px; letter-spacing: -.035em; line-height: 1.15; }
.legal-page .lead { margin-top: 16px; font-size: 17px; color: var(--muted); }
.legal-page section { margin-top: 32px; }
.legal-page h2 { font-size: 21px; font-weight: 600; letter-spacing: -.02em; margin-bottom: 12px; }
.legal-page p + p { margin-top: 12px; }
.legal-page address { font-style: normal; }
.draft-notice { margin-top: 28px; padding: 20px 24px; background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--orange); border-radius: 4px; font-size: 14px; }
.draft-notice strong { display: block; margin-bottom: 4px; }
.placeholder { display: inline; color: var(--ink); background: var(--surface); border-bottom: 1px dashed var(--muted); overflow-wrap: anywhere; }
.edit-note { color: var(--muted); font-size: 14px; }
.legal-page ul { padding-left: 24px; }
.legal-page li + li { margin-top: 6px; }

@media (min-width: 1500px) {
  .hero { padding-block: 84px; }
}
@media (max-width: 1100px) {
  .shell { width: calc(100% - 64px); }
  .hero { gap: 48px; grid-template-columns: minmax(0, 1fr) 390px; }
  .contact-card { padding: 28px; }
  .intro { font-size: 17px; }
  .services-grid { gap: 20px; }
  .services-grid li { padding-left: 32px; padding-right: 12px; }
  .services-grid li + li { padding-left: 40px; }
  .services-grid li + li .service-number { left: 12px; }
}
@media (max-width: 850px) {
  .shell { width: min(620px, calc(100% - 48px)); }
  .site-header { min-height: 132px; }
  .main-nav { gap: 18px; }
  .main-nav > a:first-child { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-block: 44px 48px; }
  h1 { font-size: 56px; }
  .intro { max-width: 500px; }
  .contact-card { padding: 32px; }
  .contact-card__bottom p br { display: none; }
  .card-circuit { width: 120px; height: 120px; }
  .services-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .services-grid li { padding: 20px 0 20px 44px; }
  .services-grid li + li { border-left: none; border-top: 1px solid var(--rule); padding: 20px 0 20px 44px; }
  .service-number, .services-grid li + li .service-number { top: 21px; left: 0; }
  .services-grid p { max-width: 470px; }
  .section-heading { margin-bottom: 8px; }
  .services { padding-bottom: 20px; }
  .site-footer { padding-block: 20px; flex-wrap: wrap; row-gap: 4px; }
  .legal-shell { width: min(620px, calc(100% - 48px)); }
}
@media (max-width: 540px) {
  .shell { width: calc(100% - 40px); }
  .site-header { min-height: 124px; }
  .brand { flex-basis: 310px; }
  .brand img { width: 310px; }
  .main-nav { display: none; }
  .hero { padding-top: 32px; gap: 32px; }
  .hero-copy > .eyebrow { gap: 8px; font-size: 13px; letter-spacing: .08em; }
  .eyebrow-rule { width: 18px; }
  h1 { font-size: 48px; margin-top: 20px; }
  .intro { font-size: 16px; line-height: 1.65; margin-top: 24px; max-width: 345px; }
  .service-mode { margin-top: 16px; font-size: 13px; }
  .mobile-break { display: initial; }
  .contact-card { padding: 24px; }
  .contact-card h2 { font-size: 25px; }
  .contact-card__heading > .eyebrow { font-size: 13px; }
  .call-button { padding: 12px 14px; gap: 12px; }
  .call-button strong { font-size: 20px; }
  .email-link { gap: 12px; }
  .email-link strong { font-size: 15px; }
  .email-link .arrow { width: 18px; }
  .contact-card__bottom p br { display: block; }
  .card-circuit { width: 106px; height: 106px; }
  .section-heading h2 { font-size: 19px; }
  .section-heading p { font-size: 13px; }
  .services h3 { font-size: 17px; }
  .site-footer { font-size: 13px; }
  .site-footer nav { font-size: 13px; }
  .footer-dot { margin-inline: 6px; }
  .legal-page h1 { font-size: 32px; overflow-wrap: anywhere; }
  .legal-shell { padding-block: 28px 44px; }
  .draft-notice { padding: 16px; }
}
@media (max-width: 360px) {
  .shell { width: calc(100% - 32px); }
  .hero-copy > .eyebrow { font-size: 13px; }
  h1 { font-size: 43px; }
  .contact-card { padding: 20px; }
  .call-button strong { font-size: 18px; }
  .call-button { gap: 10px; padding-inline: 12px; }
  .call-button .arrow { width: 18px; }
  .email-link { gap: 8px; }
  .email-link strong { font-size: 14px; }
  .email-link .arrow { display: none; }
  .section-heading { flex-wrap: wrap; gap: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
@media (forced-colors: active) {
  .call-button, .contact-card { border: 1px solid ButtonText; }
  .call-button img, .email-link img, .card-circuit, .eyebrow-rule { display: none; }
}
@media print {
  body { background: white; color: black; }
  .shell { width: 100%; }
  .site-header { min-height: 90px; }
  .main-nav, .skip-link, .save-contact, .site-footer nav { display: none; }
  .hero { grid-template-columns: 1fr 1fr; gap: 28px; padding-block: 32px; }
  h1 { font-size: 36px; }
  .contact-card { break-inside: avoid; padding: 20px; }
  .call-button { background: transparent; color: black; border-color: var(--rule); }
  .call-button img { filter: brightness(0); }
  .call-button strong { font-size: 16px; }
  .email-link strong { font-size: 13px; }
  .services { break-inside: avoid; padding-bottom: 20px; }
  .services-grid { grid-template-columns: repeat(3,1fr); gap: 16px; }
  .services-grid li, .services-grid li + li { padding: 0; border: 0; }
  .service-number { display: none; }
  .services h3 { font-size: 13px; }
  .services-grid p { font-size: 13px; }
}