:root {
  color-scheme: light;
  --paper: #f5f6f2;
  --ink: #14201c;
  --muted: #4f5c56;
  --line: #d9dfd6;
  --dark: #15221e;
  --lime: #d0ff84;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font: 16px/1.65 system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
h1, h2, h3, p, ol, ul, dl, dd { margin: 0; }
a { color: inherit; text-underline-offset: .23em; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid #488247; outline-offset: 4px; }
.approach :focus-visible, .footer :focus-visible { outline-color: var(--lime); }
.skip { position: absolute; z-index: 3; inset: 8px auto auto 8px; padding: 8px 16px; background: white; transform: translateY(-150%); }
.skip:focus { transform: none; }
.shell { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.header { border-bottom: 1px solid var(--line); }
.header-inner { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; justify-self: start; font-weight: 750; line-height: 1.2; text-decoration: none; white-space: nowrap; }
.brand small { display: block; margin-top: 3px; color: var(--muted); font: 10px var(--mono); letter-spacing: .09em; }
nav { display: flex; flex-wrap: wrap; gap: 30px; }
.header-actions { display: flex; align-items: center; justify-self: end; gap: 12px; }
.language-switch { display: inline-grid; place-items: center; min-width: 44px; min-height: 36px; padding-inline: 8px; border: 1px solid var(--line); border-radius: 4px; font-size: .8rem; font-weight: 700; text-decoration: none; white-space: nowrap; }
.language-switch:hover { background: #e6eee0; }
nav a, .header-contact { font-size: .875rem; text-decoration: none; white-space: nowrap; }
nav a:hover, .header-contact:hover { text-decoration: underline; }
.header-contact { font-weight: 650; }
.header-contact span { margin-inline-start: 6px; }
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(24px, 4vw, 66px); padding-block: 64px 72px; }
.label { font: 650 .75rem/1.5 var(--mono); letter-spacing: .09em; }
.signal { display: inline-block; width: .58em; height: .58em; margin-right: .25em; border-radius: 50%; background: #477743; }
.hero h1 { font-size: clamp(3rem, 5.5vw, 5.5rem); font-weight: 850; letter-spacing: -.065em; line-height: 1.07; margin-block: 26px 20px; }
html[lang="en"] .hero h1 { font-size: clamp(2.6rem, 5.1vw, 5rem); }
.hero h1 span { color: #457841; }
.hero-lead { font-size: clamp(1.25rem, 2.15vw, 1.8rem); font-weight: 720; margin-bottom: 12px; }
.muted { color: var(--muted); }
.hero-copy > .muted { max-width: 27em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 22px; min-height: 48px; padding: 10px 16px; border: 1px solid var(--ink); border-radius: 4px; font-size: .875rem; font-weight: 700; text-decoration: none; }
.primary { color: white; background: var(--dark); }
.primary:hover { background: #354b3e; }
.outline:hover { background: #e6eee0; }
.hero-art { position: relative; isolation: isolate; overflow: hidden; border-radius: 6px; background: var(--dark); color: #e1f9d4; }
.hero-art img { width: 100%; height: auto; }
.art-top, .art-bottom { position: absolute; inset-inline: 6%; display: flex; justify-content: space-between; font: 650 .7rem/1.35 var(--mono); letter-spacing: .1em; }
.art-top { top: 6%; }
.art-bottom { bottom: 6%; align-items: end; }
.art-bottom span:first-child { font-size: clamp(.9rem, 2.4vw, 2.15rem); line-height: .95; letter-spacing: -.03em; }
.art-bottom span:last-child { text-align: right; }
.section { padding-block: clamp(54px, 7vw, 100px); }
#business, #careers { border-top: 1px solid var(--line); }
.index { color: #42684d; margin-bottom: 16px; }
.section-heading { display: grid; grid-template-columns: 1fr minmax(16rem, 32%); gap: 20px 32px; align-items: end; margin-bottom: 32px; }
h2 { font-size: clamp(2rem, 4.5vw, 3.8rem); line-height: 1.17; letter-spacing: -.05em; }
.business-grid, .steps, .contact-grid { display: grid; gap: 16px; }
.business-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.service { padding: clamp(20px, 3vw, 36px); border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.service-id { display: flex; justify-content: space-between; align-items: center; font: .9rem var(--mono); color: #42684d; margin-bottom: 28px; }
.service-id span { font-size: 2rem; }
.service .label { color: #42684d; }
h3 { font-size: 1.45rem; line-height: 1.35; margin-block: 6px 10px; }
.service > p:not(.label), .role-body { color: var(--muted); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin-top: 20px; }
.tags li { padding: 3px 10px; border-radius: 4px; background: #eef4eb; font-size: .8rem; }
.approach { color: #f3f8f2; background: var(--dark); }
.approach .index, .steps li > span { color: var(--lime); }
.approach p:not(.label) { color: #c3d2c9; }
.steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding: 0; list-style: none; }
.steps li { border-top: 1px solid #506357; padding-block: 20px 8px; }
.steps li > span, .role-number { font: .8rem var(--mono); }
.roles { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: grid; grid-template-columns: 2.4rem 1fr auto; align-items: center; gap: 12px; padding: 16px 4px; cursor: pointer; list-style: none; font-size: 1.125rem; font-weight: 700; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.5rem; color: #42684d; }
details[open] summary::after { content: "−"; }
summary:hover { color: #42684d; }
.role-number { color: #42684d; }
.role-body { padding: 0 4px 18px calc(2.4rem + 16px); }
.role-body p + p { margin-top: 6px; }
.careers-note { color: var(--muted); font-size: .9rem; margin-top: 22px; }
.contact { background: #e8f2e2; }
.contact-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.contact-grid div { border-top: 1px solid #aebfac; padding-top: 13px; }
dt { font-weight: 700; }
dd { color: var(--muted); margin-top: 4px; }
.footer { background: var(--dark); color: #e2eae3; font-size: .875rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 8px 24px; flex-wrap: wrap; padding-block: 23px; }
@media (max-width: 900px) {
  .shell { width: calc(100% - 56px); }
  .hero { gap: 24px; }
  .section-heading { grid-template-columns: 1fr minmax(13rem, 37%); }
}
@media (max-width: 700px) {
  .shell { width: calc(100% - 36px); }
  .header-inner { grid-template-columns: 1fr auto; gap: 12px; padding-block: 13px 10px; }
  nav { grid-row: 2; grid-column: 1 / -1; gap: 4px 22px; }
  nav a, .header-contact { display: inline-flex; align-items: center; min-height: 36px; }
  .header-actions { grid-row: 1; grid-column: 2; }
  .hero { grid-template-columns: 1fr; padding-block: 44px 52px; gap: 30px; }
  .section-heading, .business-grid, .steps { grid-template-columns: 1fr; }
  .steps { gap: 12px; }
}
@media (max-width: 420px) {
  .header-inner, .header-actions { gap: 8px; }
  .contact-grid { grid-template-columns: 1fr; }
  .button { gap: 12px; }
}