:root,
[data-theme='light'] {
  --bg: #f4f1e8;
  --surface: #fbfaf6;
  --surface-2: #efeadc;
  --text: #202421;
  --muted: #656b66;
  --faint: #9a9d96;
  --line: rgba(32, 36, 33, 0.14);
  --forest: #0e3f2e;
  --forest-2: #145339;
  --gold: #b49a3a;
  --gold-soft: #e8ddaf;
  --inverse: #fffdf4;
  --shadow: 0 18px 50px rgba(38, 35, 25, 0.09);
  --font-display: 'Zodiak', Georgia, serif;
  --font-body: 'Satoshi', 'Inter', system-ui, sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.35rem, 1.5rem + 3vw, 4.8rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --content-wide: 1180px;
}

[data-theme='dark'] {
  --bg: #091a14;
  --surface: #10251c;
  --surface-2: #173326;
  --text: #efeadc;
  --muted: #b9b49f;
  --faint: #827d6e;
  --line: rgba(239, 234, 220, 0.16);
  --forest: #d1bf6b;
  --forest-2: #95c8ad;
  --gold: #e2c86e;
  --gold-soft: #efe3a7;
  --inverse: #fffdf4;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.32);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at 0% 0%, rgba(180, 154, 58, 0.16), transparent 32rem),
    linear-gradient(180deg, var(--bg), color-mix(in srgb, var(--bg) 92%, white));
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  max-width: 72ch;
}

button {
  font: inherit;
  border: 0;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  transform: translateY(-140%);
  padding: var(--space-2) var(--space-4);
  color: var(--inverse);
  background: var(--forest-2);
  border-radius: 999px;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 2rem, var(--content-wide));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: clamp(var(--space-3), 2vw, var(--space-6));
  align-items: center;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-logo {
  width: 188px;
  height: auto;
  object-fit: contain;
}

[data-theme='dark'] .brand-logo,
[data-theme='dark'] .wide-logo {
  filter: brightness(0) invert(1) sepia(12%) saturate(438%) hue-rotate(354deg) brightness(1.08);
  opacity: 0.96;
}

.nav {
  display: flex;
  justify-content: flex-end;
  gap: clamp(var(--space-3), 2vw, var(--space-6));
  font-size: var(--text-sm);
  color: var(--muted);
}

.nav a {
  padding-block: var(--space-2);
}

.nav a:hover {
  color: var(--forest-2);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--forest-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 50%;
  cursor: pointer;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  padding: 0.22rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.language-switcher a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding-inline: 0.45rem;
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--muted);
  border-radius: 999px;
}

.language-switcher a.active {
  color: #102216;
  background: var(--gold);
}

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(5rem, 9vw, 8.5rem);
  color: var(--inverse);
  background: var(--forest-2);
}

[data-theme='dark'] .hero {
  background: #06120d;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(6, 22, 15, 0.92), rgba(14, 63, 46, 0.78) 54%, rgba(226, 200, 110, 0.18)),
    radial-gradient(circle at 80% 20%, rgba(226, 200, 110, 0.26), transparent 18rem),
    repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 1px, transparent 1px 18px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(290px, 0.72fr);
  gap: clamp(var(--space-10), 7vw, var(--space-20));
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

html[lang^='zh'] .eyebrow,
html[lang^='zh'] .section-kicker {
  letter-spacing: 0.04em;
  text-transform: none;
}

.hero h1 {
  max-width: 880px;
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.hero-zh {
  margin-top: var(--space-6);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--gold-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 800;
  border-radius: 999px;
}

.button.primary {
  color: #102216;
  background: var(--gold);
}

.button.secondary {
  color: var(--inverse);
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.hero-panel {
  padding: var(--space-8);
  color: var(--text);
  background: color-mix(in srgb, var(--surface) 94%, white);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

[data-theme='dark'] .hero-panel {
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  border-color: var(--line);
}

.wide-logo {
  width: min(100%, 360px);
  margin-bottom: var(--space-8);
}

.credential-list {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.credential-list span {
  padding: var(--space-3) 0;
  font-weight: 800;
  border-bottom: 1px solid var(--line);
}

.hero-panel p {
  color: var(--muted);
  font-weight: 700;
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-24));
}

.intro-grid,
.approach-layout,
.footer-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}

h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

h3 {
  font-size: var(--text-lg);
  line-height: 1.15;
}

.prose {
  display: grid;
  gap: var(--space-4);
  color: var(--muted);
}

.prose p:first-child {
  color: var(--text);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-16);
}

.principle-card,
.service-grid article,
.step-card,
.person-card,
.expectation-list article {
  background: color-mix(in srgb, var(--surface) 92%, white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.principle-card {
  display: grid;
  align-content: start;
  gap: var(--space-3);
  min-height: 300px;
  padding: var(--space-6);
}

.zh,
[lang='zh-Hant'] {
  color: var(--muted);
}

.principle-card .zh,
.service-grid .zh,
.step-card .zh,
.person-card .zh {
  color: var(--gold);
  font-weight: 800;
}

.section-heading {
  margin-bottom: var(--space-10);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.service-grid article {
  position: relative;
  min-height: 320px;
  padding: var(--space-8);
}

.service-index {
  display: inline-flex;
  margin-bottom: var(--space-8);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.service-grid article p,
.step-card p,
.person-card p,
.expectation-list p {
  margin-top: var(--space-3);
  color: var(--muted);
}

.context-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
  padding: var(--space-8);
  color: var(--inverse);
  background: var(--forest-2);
  border-radius: var(--radius-xl);
}

.approach {
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--surface-2) 68%, transparent));
}

.sticky-heading {
  position: sticky;
  top: 110px;
  align-self: start;
}

.sticky-heading p:not(.section-kicker) {
  margin-top: var(--space-5);
  color: var(--muted);
}

.steps {
  display: grid;
  gap: var(--space-4);
}

.step-card {
  padding: var(--space-6);
}

.step-card span {
  display: inline-block;
  margin-bottom: var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--gold);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

.person-card {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-8);
}

.role {
  font-weight: 800;
  color: var(--forest-2) !important;
}

.expectation-list {
  display: grid;
  gap: var(--space-4);
}

.expectation-list article {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: var(--space-6);
  align-items: start;
  padding: var(--space-6) var(--space-8);
}

.expectation-list h3 span {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gold);
}

.cta {
  padding: var(--space-10) 0 var(--space-20);
}

.cta-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: center;
  padding: clamp(var(--space-8), 6vw, var(--space-16));
  color: var(--inverse);
  background:
    radial-gradient(circle at 95% 0%, rgba(226, 200, 110, 0.22), transparent 20rem),
    var(--forest-2);
  border-radius: var(--radius-xl);
}

.cta-panel h2 {
  max-width: 720px;
}

.cta-panel p {
  margin-top: var(--space-4);
  color: var(--gold-soft);
  font-weight: 700;
}

.contact-link {
  display: inline-flex;
  padding: var(--space-4) var(--space-6);
  font-weight: 900;
  color: #102216;
  background: var(--gold);
  border-radius: 999px;
  white-space: nowrap;
}

.site-footer {
  padding-block: var(--space-10);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-grid {
  align-items: start;
  font-size: var(--text-sm);
}

.footer-grid strong,
.footer-grid span {
  display: block;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero-grid,
  .intro-grid,
  .approach-layout,
  .footer-grid,
  .context-strip,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .principle-grid,
  .service-grid,
  .team-grid {
    grid-template-columns: 1fr 1fr;
  }

  .sticky-heading {
    position: static;
  }
}

@media (max-width: 640px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .brand-logo {
    width: 132px;
  }

  .header-actions {
    gap: var(--space-2);
  }

  .language-switcher {
    gap: 0;
    padding: 0.18rem;
  }

  .language-switcher a {
    min-width: 1.65rem;
    height: 1.65rem;
    padding-inline: 0.3rem;
    font-size: 0.68rem;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
  }

  .hero {
    padding-block: var(--space-16);
  }

  .hero h1 {
    font-size: clamp(2.15rem, 11vw, 3.15rem);
  }

  .hero-actions .button {
    width: 100%;
  }

  .wide-logo {
    width: min(100%, 280px);
  }

  .principle-grid,
  .service-grid,
  .team-grid,
  .expectation-list article {
    grid-template-columns: 1fr;
  }

  .principle-card,
  .service-grid article,
  .person-card,
  .context-strip,
  .hero-panel {
    padding: var(--space-5);
  }

  .principle-card,
  .service-grid article {
    min-height: auto;
  }

  .service-index {
    margin-bottom: var(--space-5);
  }

  .context-strip {
    gap: var(--space-5);
  }

  .cta-panel {
    padding: var(--space-8) var(--space-5);
  }

  .contact-link {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}