/* Native editorial layout. Design variance 4, motion intensity 2, visual density 3.
   Square corners throughout. One green accent. System fonts require no external requests.
   Layers: default content 0; keyboard skip link 1. */
:root {
  color-scheme: light dark;
  --surface: #f5f6f4;
  --surface-subtle: #edf0ec;
  --text: #18231e;
  --muted: #465149;
  --line: #cbd1cb;
  --accent: #275e45;
  --accent-hover: #1b4733;
  --on-accent: #f5f8f5;
  --focus: #367953;
  font-family: "Helvetica Neue", Helvetica, Arial, "PingFang HK", "Noto Sans HK", "Microsoft JhengHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 2rem; }
body { margin: 0; background: var(--surface); color: var(--text); line-height: 1.65; }
body, h1, h2, h3, p, figure, dl, dd { margin: 0; }
a { color: inherit; text-underline-offset: .22em; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; }
a:active { opacity: .8; }
::selection { background: var(--accent); color: var(--on-accent); }
.container { width: min(100% - 96px, 1248px); margin-inline: auto; }
.skip-link { position: absolute; z-index: 1; top: 12px; left: 12px; padding: 10px 16px; background: var(--text); color: var(--surface); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-header { height: 80px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); gap: 32px; }
.wordmark { font-size: 29px; font-weight: 650; letter-spacing: -.055em; line-height: 1; text-decoration: none; }
.header-links, .main-nav, .languages { display: flex; align-items: center; }
.header-links { gap: 38px; }
.main-nav { gap: 30px; font-size: 14px; }
.main-nav a { text-decoration: none; padding-block: 12px; }
.main-nav a:hover { color: var(--accent); text-decoration: underline; }
.languages { gap: 13px; padding-left: 28px; border-left: 1px solid var(--line); font-size: 12px; line-height: 1.5; }
.languages a, .languages span { padding-block: 12px; white-space: nowrap; }
.languages span { font-weight: 700; }
.languages a { color: var(--muted); text-decoration: none; }
.languages a:hover { color: var(--accent); text-decoration: underline; }
.hero { display: grid; grid-template-columns: 1fr 1.06fr; gap: 72px; align-items: center; padding-block: 80px 100px; }
.hero-copy { padding-bottom: 4px; }
.eyebrow { font-size: 12px; font-weight: 600; letter-spacing: .08em; color: var(--accent); margin-bottom: 24px; }
h1 { font-size: clamp(42px, 4.4vw, 62px); font-weight: 500; letter-spacing: -.045em; line-height: 1.13; max-width: 9.5em; text-wrap: balance; }
html[lang="zh-HK"] h1 { line-height: 1.3; letter-spacing: -.025em; max-width: 7em; font-size: clamp(40px, 4.1vw, 58px); }
.hero-description { margin-top: 28px; font-size: 17px; color: var(--muted); max-width: 28em; line-height: 1.85; }
.primary-link { display: inline-flex; align-items: center; min-height: 48px; margin-top: 34px; padding: 12px 26px; background: var(--accent); color: var(--on-accent); text-decoration: none; font-size: 14px; font-weight: 500; white-space: nowrap; }
.primary-link:hover { background: var(--accent-hover); }
.hero-image { width: 100%; height: auto; aspect-ratio: 1.17; object-fit: cover; object-position: 56% 50%; display: block; background: var(--surface-subtle); }
.services { padding-block: 66px 92px; border-top: 1px solid var(--line); }
h2 { font-size: 32px; font-weight: 500; letter-spacing: -.025em; line-height: 1.35; }
.services-intro { margin-top: 16px; color: var(--muted); max-width: 37em; font-size: 16px; }
.service-list { margin-top: 42px; display: grid; grid-template-columns: 1fr 1fr; gap: 72px; }
.service { padding-top: 24px; border-top: 1px solid var(--line); }
.service h3 { font-weight: 500; font-size: 20px; line-height: 1.4; letter-spacing: -.012em; }
.service p { margin-top: 14px; color: var(--muted); max-width: 31em; font-size: 15px; line-height: 1.85; }
.contact { padding-block: 68px 76px; background: var(--surface-subtle); }
.contact h2 { margin-bottom: 38px; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr .95fr; gap: 48px; }
.contact dt { color: var(--muted); font-size: 13px; margin-bottom: 13px; }
.contact dd { font-size: 15px; line-height: 1.9; }
.company-name { font-weight: 500; max-width: 15em; font-size: 21px !important; line-height: 1.5 !important; letter-spacing: -.018em; }
.address { font-style: normal; }
.email-link { font-size: 17px; color: var(--accent); text-decoration-thickness: 1px; }
.email-link:hover { color: var(--accent-hover); }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 28px; font-size: 12px; color: var(--muted); }
.footer-brand { letter-spacing: -.04em; font-weight: 600; font-size: 18px; color: var(--text); }
.error-page { min-height: 100dvh; display: flex; flex-direction: column; }
.error-main { flex: 1; padding-block: 100px; max-width: 850px; width: 100%; }
.error-code { color: var(--accent); font-size: 14px; margin-bottom: 24px; }
.error-main h1 { font-size: 42px; }
.error-main p { margin-top: 20px; color: var(--muted); }
.error-links { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 28px; }
.error-links a { color: var(--accent); }
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #141b17;
    --surface-subtle: #1d2720;
    --text: #e8eee8;
    --muted: #a9b6ac;
    --line: #3d4a40;
    --accent: #a0c8ac;
    --accent-hover: #c0dcc7;
    --on-accent: #142a1c;
    --focus: #b8ddc3;
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .container { width: calc(100% - 64px); }
  .hero { gap: 40px; padding-block: 60px 80px; }
  .hero-description { font-size: 16px; }
  .service-list { gap: 40px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-grid > div:last-child { grid-column: 2; }
}
@media (max-width: 767px) {
  .container { width: calc(100% - 40px); }
  .site-header { height: 72px; gap: 16px; }
  .wordmark { font-size: 25px; }
  .header-links { gap: 20px; }
  .main-nav { font-size: 13px; }
  .main-nav a:first-child { display: none; }
  .languages { gap: 12px; padding-left: 18px; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-block: 52px 60px; }
  .hero-copy { padding: 0; }
  h1 { font-size: clamp(40px, 8vw, 56px); max-width: 11em; }
  html[lang="zh-HK"] h1 { font-size: clamp(36px, 8.5vw, 52px); max-width: 7em; }
  .eyebrow { margin-bottom: 20px; }
  .hero-description { margin-top: 22px; font-size: 16px; max-width: 30em; }
  .primary-link { margin-top: 26px; }
  .hero-image { aspect-ratio: 1.45; }
  .services { padding-block: 46px 60px; }
  h2 { font-size: 27px; }
  .services-intro { font-size: 15px; }
  .service-list { grid-template-columns: 1fr; gap: 28px; margin-top: 30px; }
  .service h3 { font-size: 19px; }
  .service p { max-width: 35em; }
  .contact { padding-block: 46px 52px; }
  .contact h2 { margin-bottom: 30px; }
  .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .contact dt { margin-bottom: 8px; }
  .company-name { max-width: none; font-size: 19px !important; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 10px; padding-block: 24px; }
  .error-main { padding-block: 64px; }
  .error-main h1 { font-size: 32px; }
}
@media (max-width: 359px) {
  .wordmark { font-size: 23px; }
  .header-links { gap: 12px; }
  .languages { padding-left: 12px; gap: 8px; }
  .main-nav { font-size: 12px; }
}
@media (prefers-reduced-motion: no-preference) {
  a { transition: color 140ms ease, background-color 140ms ease, opacity 140ms ease; }
}
