@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/ibm-plex-sans-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

:root {
  --paper: #faf9f6;
  --paper-2: #f1f3f7;
  --ink: #101214;
  --ink-2: #3a3f47;
  --muted: #6b6f76;
  --rule: #dcdfe4;
  --accent: #2b6fd0;
  --accent-2: #1f55a8;
  --footer: #101214;
  --container: 1080px;
  --gutter: 24px;
  --label-column: 160px;
  --column-gap: 40px;
}

* { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink-2);
  background: var(--paper);
  font-family: "IBM Plex Sans", Arial, sans-serif;
  font-size: 1.0625rem;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
p, h1, h2, h3, ul { margin-top: 0; }
h1, h2, h3 { color: var(--ink); }
.section-shell, .header-inner {
  width: min(calc(100% - (var(--gutter) * 2)), var(--container));
  margin-inline: auto;
}
.skip-link {
  position: fixed;
  z-index: 10;
  top: 12px;
  left: 12px;
  padding: 8px 12px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

.site-header { border-bottom: 1px solid var(--rule); background: var(--paper); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 88px;
}
.brand { display: block; flex: 0 0 auto; text-decoration: none; }
.brand-logo { display: block; width: 137px; height: 60px; }
.site-nav { display: flex; align-items: center; justify-content: flex-end; gap: 12px 27px; font-size: .9rem; font-weight: 500; }
.site-nav a { color: var(--ink); text-decoration: none; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent); }

.hero { background: var(--paper-2); }
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr);
  gap: 64px;
  align-items: start;
  padding-block: 80px;
}
.kicker, .section-label {
  margin-bottom: 16px;
  color: var(--accent);
  font-size: .8125rem;
  font-weight: 600;
  line-height: 1.4;
}
.hero h1 {
  max-width: 17ch;
  margin-bottom: 24px;
  font-size: clamp(2.75rem, 5vw, 3.5rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.02em;
}
.hero-intro { max-width: 59ch; margin-bottom: 30px; font-size: 1.2rem; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
.button {
  display: inline-block;
  padding: 11px 18px;
  color: #fff;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: var(--accent);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.4;
}
.button:hover { border-color: var(--accent-2); background: var(--accent-2); }
.text-link { color: var(--accent); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.text-link:hover { color: var(--accent-2); }
.briefs-title { margin-bottom: 0; padding-bottom: 14px; border-bottom: 1px solid var(--rule); color: var(--ink); font-size: .95rem; font-weight: 600; }
.briefs ul { margin: 0; padding: 0; list-style: none; }
.briefs li { position: relative; padding: 15px 0 15px 23px; border-bottom: 1px solid var(--rule); font-size: .94rem; line-height: 1.5; }
.briefs li::before { position: absolute; left: 0; color: var(--accent); content: ">"; font-weight: 600; }

.opening, .services, .approach, .contact-inner { padding-block: 80px; }
.section-heading { max-width: 850px; margin-bottom: 32px; }
.section-heading h2 {
  max-width: 28ch;
  margin-bottom: 18px;
  font-size: clamp(1.9rem, 3.4vw, 2.25rem);
  font-weight: 600;
  line-height: 1.16;
  letter-spacing: -.015em;
}
.section-heading > p:last-child { max-width: 70ch; margin-bottom: 0; }
.opening-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(240px, .5fr); gap: 64px; align-items: start; }
.opening-layout > p { max-width: 70ch; margin-bottom: 0; }
.opening-note { padding-top: 16px; border-top: 1px solid var(--rule); }
.opening-note strong { color: var(--ink); font-size: .875rem; font-weight: 600; }
.opening-note p { margin: 6px 0 0; font-size: .94rem; }

.services { padding-top: 0; }
.service-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.service { padding: 30px 28px 34px; border-top: 1px solid var(--rule); }
.service:nth-child(3n + 1) { padding-left: 0; }
.service:nth-child(3n + 2) { border-inline: 1px solid var(--rule); }
.service:nth-child(3n) { padding-right: 0; }
.service h3 { margin-bottom: 16px; font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.service p { margin-bottom: 0; font-size: .95rem; line-height: 1.58; }
.service-detail { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--rule); }
.service ul { margin: 20px 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .9rem; line-height: 1.5; }
.service li { margin: 5px 0; padding-left: 2px; }

.expertise { background: var(--paper-2); }
.expertise .section-shell { padding-block: 80px; }
.situations, .working-practices { border-top: 1px solid var(--rule); }
.situation, .working-practices article {
  display: grid;
  grid-template-columns: var(--label-column) minmax(0, 1fr);
  gap: var(--column-gap);
  padding-block: 28px;
  border-bottom: 1px solid var(--rule);
}
.situation-name, .working-practices span { margin: 2px 0 0; color: var(--muted); font-size: .84rem; font-weight: 500; line-height: 1.45; }
.situation h3, .working-practices h3 { margin-bottom: 8px; font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.situation div p, .working-practices article div p { max-width: 70ch; margin-bottom: 0; }

.approach-note { margin: 48px 0 0; padding-left: calc(var(--label-column) + var(--column-gap)); }
.approach-note p { max-width: 64ch; margin-bottom: 0; color: var(--ink); font-size: 1.35rem; line-height: 1.45; }

.contact { border-top: 1px solid var(--rule); }
.contact-inner { display: grid; grid-template-columns: minmax(0, .85fr) minmax(350px, 1.15fr); gap: 64px; align-items: start; }
.contact .section-heading { margin-bottom: 0; }
.contact-copy > p { max-width: 60ch; margin-bottom: 26px; }
.contact-details { display: grid; gap: 2px; margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--rule); font-size: .94rem; font-style: normal; }
.contact-details a { justify-self: start; margin-bottom: 10px; }
.contact-details strong { color: var(--ink); font-weight: 600; }

.footer { color: var(--paper); background: var(--footer); }
.footer-top { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 42px; padding-block: 34px; border-bottom: 1px solid #34383d; }
.footer-top p { margin: 0; color: #c3c7cd; font-size: .88rem; }
.footer .back-top { color: var(--paper); text-decoration: none; }
.footer .back-top:hover { text-decoration: underline; text-underline-offset: .2em; }
.footer-bottom { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding-block: 20px 28px; color: #aeb3bb; font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .75rem; }
.footer-bottom > span:last-child { text-align: right; }
.footer-legal { color: var(--paper); text-decoration: none; }
.footer-legal:hover { text-decoration: underline; text-underline-offset: .2em; }

.legal-dialog {
  width: min(calc(100% - 32px), 920px);
  max-height: min(90vh, 980px);
  max-height: min(90dvh, 980px);
  padding: 0;
  color: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: 0 18px 60px rgb(16 18 20 / 24%);
}
.legal-dialog::backdrop { background: rgb(16 18 20 / 62%); }
.legal-dialog-header {
  position: sticky;
  z-index: 1;
  top: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 28px 20px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.legal-dialog-header .section-label { margin-bottom: 8px; }
.legal-dialog-header h2 { margin-bottom: 0; font-size: 1.65rem; font-weight: 600; line-height: 1.2; }
.dialog-close {
  flex: 0 0 auto;
  padding: 8px 12px;
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: transparent;
  font: inherit;
  font-size: .85rem;
  font-weight: 500;
  cursor: pointer;
}
.dialog-close:hover { border-color: var(--ink); }
.dialog-close:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.legal-image-wrap { padding: 28px 28px 0; }
.legal-image-wrap a { display: block; }
.legal-image-wrap img { display: block; width: 100%; height: auto; border: 1px solid var(--rule); }
.image-help { margin: 10px 28px 0; color: var(--muted); font-size: .82rem; }
.privacy-notice { display: grid; gap: 42px; padding: 48px 28px 36px; }
.privacy-notice section { max-width: 72ch; }
.privacy-notice h3 { margin-bottom: 18px; font-size: 1.25rem; font-weight: 600; }
.privacy-notice p { margin-bottom: 14px; font-size: .95rem; line-height: 1.6; }
.privacy-notice p:last-child { margin-bottom: 0; }

@media (max-width: 999px) {
  .service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service, .service:nth-child(3n + 1), .service:nth-child(3n + 2), .service:nth-child(3n) { padding: 28px 26px 32px; border-inline: 0; }
  .service:nth-child(odd) { padding-left: 0; border-right: 1px solid var(--rule); }
  .service:nth-child(even) { padding-right: 0; }
}

@media (max-width: 759px) {
  .header-inner { flex-wrap: wrap; min-height: 0; padding-block: 16px; }
  .brand-logo { width: 103px; height: 45px; }
  .site-nav { flex: 1 0 100%; justify-content: space-between; gap: 8px 12px; font-size: .8rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; padding-block: 56px; }
  .hero h1 { font-size: clamp(2.4rem, 11.5vw, 3rem); }
  .hero-intro { font-size: 1.1rem; }
  .opening, .services, .approach, .contact-inner, .expertise .section-shell { padding-block: 56px; }
  .section-heading { margin-bottom: 28px; }
  .opening-layout, .contact-inner { grid-template-columns: 1fr; gap: 30px; }
  .service-list { grid-template-columns: 1fr; }
  .service, .service:nth-child(odd), .service:nth-child(even), .service:nth-child(3n + 1), .service:nth-child(3n + 2), .service:nth-child(3n) { padding: 26px 0 30px; border-right: 0; }
  .situation, .working-practices article { grid-template-columns: 1fr; gap: 12px; padding-block: 25px; }
  .approach-note { margin-top: 40px; padding-left: 0; }
  .approach-note p { font-size: 1.2rem; }
  .contact-inner { gap: 0; }
  .footer-top { grid-template-columns: 1fr auto; gap: 18px; }
  .footer-top p { grid-column: 1 / -1; grid-row: 2; }
  .footer-bottom { grid-template-columns: 1fr; gap: 8px; }
  .footer-bottom > span:last-child { text-align: left; }
  .footer-legal { justify-self: start; }
  .legal-dialog-header { padding: 20px; }
  .legal-dialog-header h2 { font-size: 1.4rem; }
  .legal-image-wrap { padding: 20px 20px 0; }
  .image-help { margin-inline: 20px; }
  .privacy-notice { gap: 36px; padding: 40px 20px 28px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}