:root {
  --navy: var(--brand-navy);
  --ink: var(--text);
  --muted: var(--text-muted);
  --rust: var(--accent);
  --cream: var(--brand-white);
  --paper: var(--page);
  --line: var(--border);
  --gutter: clamp(22px, 5.5vw, 88px);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 122px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, "Helvetica Neue", sans-serif; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
[hidden] { display: none !important; }
h1, h2, h3, h4, p, figure { margin: 0; }
h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; line-height: 1.15; letter-spacing: -.035em; }
h1 { font-size: clamp(40px, 4.4vw, 70px); }
h2 { font-size: clamp(34px, 3.5vw, 52px); }
h3 { font-size: clamp(29px, 3vw, 42px); }
h4 { font-size: 18px; font-weight: 500; line-height: 1.4; }
em { font-weight: 400; color: var(--rust); }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, summary { cursor: pointer; }
button { font: inherit; color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--rust); outline-offset: 5px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 48px; padding: 12px 22px; font-size: 14px; font-weight: 600; line-height: 1.4; transition: background .2s; text-align: center; }
.button-accent { background: var(--rust); color: var(--brand-white); }
.button-accent:hover { background: var(--accent-hover); }
.button-dark { background: var(--navy); color: var(--brand-white); }
.button-dark:hover { background: var(--button-hover); }
.text-link { display: inline-block; padding: 10px 0; font-size: 14px; font-weight: 600; border-bottom: 1px solid currentColor; line-height: 1.5; }
.text-link:hover { color: var(--rust); }
.eyebrow { font-size: 11px; line-height: 1.7; letter-spacing: .16em; font-weight: 600; color: var(--rust); margin-bottom: 18px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 12px; padding: 12px 18px; background: var(--navy); color: var(--brand-white); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; padding: 14px var(--gutter); background: var(--page); border-bottom: 1px solid var(--line); }
.logo-link { width: fit-content; }
.logo-link img { width: 61px; height: 64px; object-fit: contain; }
.site-header nav { display: flex; gap: clamp(18px,2.4vw,38px); align-items: center; font-size: 14px; }
.site-header nav a { padding: 10px 0; }
.site-header nav a:hover { color: var(--rust); }
.header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
.lang { border: 0; background: none; padding: 10px 4px; min-width: 44px; min-height: 44px; font-size: 14px; }
.hero { display: grid; grid-template-columns: .94fr 1.06fr; gap: clamp(30px,5vw,78px); align-items: center; max-width: 1600px; margin: 0 auto; padding: 58px var(--gutter) 62px; }
.hero-copy { padding: 16px 0; min-width: 0; }
.hero-copy h1 { max-width: 620px; }
.hero-intro { margin-top: 26px; max-width: 460px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; margin-top: 30px; }
.project-types { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 18px; color: var(--muted); margin-top: 34px; font-size: 12px; letter-spacing: .03em; }
.project-types span+span { border-left: 1px solid var(--border); padding-left: 18px; }
.proof-strip { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); padding: 0 var(--gutter); background: var(--surface-warm); border-block: 1px solid var(--line); }
.proof-strip>div { padding: 26px 28px 28px; border-left: 1px solid var(--line); }
.proof-strip>div:first-child { padding-left: 0; border-left: 0; }
.proof-number { display: block; font: italic 14px Georgia,serif; color: var(--rust); margin-bottom: 10px; }
.proof-strip strong { display: block; font-weight: 500; line-height: 1.5; font-size: 17px; }
.proof-strip small { display: block; margin-top: 8px; font-size: 12px; line-height: 1.6; color: var(--muted); }
.section-shell { padding: 86px var(--gutter); max-width: 1600px; margin: 0 auto; }
.section-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items: end; margin-bottom: 36px; }
.section-head>p { max-width: 490px; color: var(--muted); font-size: 15px; }
.section-head>.button { justify-self: end; }
.anchor-alias { display: block; position: relative; top: -30px; }
.services { position: relative; }
.about-section { display: grid; grid-template-columns: 34px minmax(0,.75fr) minmax(0,1.25fr); gap: 3.5vw; border-top: 1px solid var(--line); }
.section-number { font: italic 15px Georgia,serif; color: var(--rust); padding-top: 5px; }
.about-copy { color: var(--muted); line-height: 1.85; font-size: 15px; }
.about-copy p+p { margin-top: 22px; }
.about-copy p:first-child { font-size: 18px; color: var(--text); line-height: 1.7; }
.about-copy p:last-child { color: var(--rust); }
.process { border-top: 1px solid var(--line); }
.process-list { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 28px; list-style: none; padding: 0; margin: 44px 0 0; }
.process-list li { border-top: 1px solid var(--line); padding-top: 20px; }
.process-list span { color: var(--rust); font: italic 15px Georgia,serif; }
.process-list h3 { margin: 22px 0 14px; font-size: 23px; }
.process-list p { color: var(--muted); font-size: 14px; }
.enquiry-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 48px; padding: 64px var(--gutter); background: var(--navy); color: var(--brand-white); }
.enquiry-cta .eyebrow { color: var(--inverse-accent); }
.enquiry-cta h2 { font-size: clamp(30px,3vw,44px); }
.enquiry-cta p:not(.eyebrow) { max-width: 750px; margin-top: 18px; color: var(--inverse-muted); font-size: 15px; }
footer { display: grid; grid-template-columns: 1.3fr 1fr 1.2fr .8fr; gap: 42px; padding: 60px var(--gutter) 24px; background: var(--surface-warm); font-size: 14px; }
.footer-brand img { width: 70px; height: 74px; object-fit: contain; margin-bottom: 20px; }
.footer-brand>p { max-width: 225px; color: var(--muted); }
.footer-label { margin-bottom: 18px; color: var(--rust); font-size: 11px; letter-spacing: .14em; font-weight: 600; }
footer a { display: block; margin-bottom: 8px; overflow-wrap: anywhere; }
footer a:hover { color: var(--rust); }
footer address { font-style: normal; line-height: 1.8; }
.copyright { grid-column: 1/-1; border-top: 1px solid var(--border); padding-top: 24px; font-size: 12px; color: var(--muted); }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { line-height: 1.35; letter-spacing: .01em; }
:lang(zh) .hero h1 { font-size: clamp(34px,3.8vw,58px); }
@media (min-width: 1600px) {
  .proof-strip, .enquiry-cta, footer { padding-inline: max(var(--gutter),calc((100vw - 1424px)/2)); }
}
@media (max-width: 1050px) {
  .site-header { gap: 18px; grid-template-columns: auto 1fr auto; }
  .site-header nav { justify-content: center; gap: 22px; }
  .header-actions { gap: 8px; }
  .header-actions .button { padding: 11px 14px; }
  .hero { gap: 32px; padding-top: 42px; padding-bottom: 42px; }
  .hero h1 { font-size: 45px; }
  .hero-actions { gap: 16px; }
  .proof-strip strong { font-size: 15px; }
  .section-head { gap: 36px; }
  .about-section { grid-template-columns: .8fr 1.2fr; }
  .about-section .section-number { display: none; }
  footer { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 800px) {
  html { scroll-padding-top: 140px; }
  .site-header { grid-template-columns: auto 1fr; row-gap: 8px; padding-top: 10px; padding-bottom: 8px; }
  .logo-link img { width: 46px; height: 48px; }
  .header-actions { grid-column: 2; grid-row: 1; }
  .site-header nav { grid-column: 1/-1; grid-row: 2; justify-content: space-between; gap: 16px; }
  .site-header nav a { padding: 6px 0; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding-top: 26px; }
  .hero-copy { max-width: 660px; }
  .hero h1 { font-size: clamp(41px,7.4vw,58px); }
  .hero-intro { max-width: 560px; margin-top: 20px; }
  .project-types { margin-top: 24px; }
  .proof-strip { padding: 0 var(--gutter); }
  .proof-strip>div { padding: 20px 16px; }
  .proof-strip strong { font-size: 14px; }
  .proof-strip small { font-size: 11px; }
  .section-shell { padding-top: 60px; padding-bottom: 60px; }
  .section-head, .about-section { grid-template-columns: 1fr; gap: 24px; }
  .section-head>p { max-width: 620px; }
  .section-head>.button { justify-self: start; }
  .process-list { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 30px; }
  .process-list li:last-child { grid-column: 1/-1; }
  .process-list h3 { margin-top: 16px; }
  .enquiry-cta { grid-template-columns: 1fr; gap: 28px; padding-block: 48px; }
  .enquiry-cta>.button { justify-self: start; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 40px; }
  .hero-intro { font-size: 15px; }
  .hero-actions { gap: 12px 18px; }
  .project-types { font-size: 11px; gap: 12px; }
  .project-types span+span { padding-left: 12px; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip>div, .proof-strip>div:first-child { position: relative; border-left: 0; border-bottom: 1px solid var(--line); padding: 18px 0 18px 34px; }
  .proof-strip>div:last-child { border-bottom: 0; }
  .proof-number { position: absolute; left: 0; top: 20px; }
  .proof-strip strong { font-size: 15px; }
  .proof-strip small { margin-top: 4px; font-size: 12px; }
  .site-header nav { font-size: 13px; }
  .header-actions .button { font-size: 12px; min-height: 44px; }
  footer { gap: 34px 24px; padding-top: 42px; font-size: 13px; }
  .footer-brand { grid-column: 1/-1; }
  .footer-brand>p { max-width: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}