@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f6f5f1;
  --ink: #171717;
  --muted: #63635f;
  --blue: #2454d6;
  --line: #d5d4ce;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Instrument Sans", Arial, sans-serif; font-size: 20px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
::selection { color: var(--paper); background: var(--blue); }
a { color: inherit; text-decoration: none; text-underline-offset: 5px; }
a:hover { color: var(--blue); text-decoration: underline; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; border-radius: 1px; }
h1, h2, h3, h4, p, ol, ul, dl, dd { margin: 0; }
h1, h2, h3, h4 { font-weight: 500; }
ul, ol { padding: 0; }
section[id] { scroll-margin-top: 24px; }
.page-shell { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.construction-notice { padding: 10px 20px; background: var(--blue); color: #fff; text-align: center; font-family: var(--mono); font-size: 11px; line-height: 1.6; letter-spacing: .7px; }
.skip-link { position: fixed; left: 24px; top: 16px; padding: 12px 20px; color: white; background: var(--blue); transform: translateY(-160%); z-index: 10; }
.skip-link:focus { transform: translateY(0); color: white; }
.site-header { min-height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--line); }
.identity { font-size: 25px; font-weight: 600; letter-spacing: -1px; }
.identity-dot, .blue-period { color: var(--blue); }
nav { display: flex; gap: 36px; align-items: center; font-size: 15px; }
.external-link span { margin-left: 4px; }
.eyebrow { font-family: var(--mono); font-size: 11px; font-weight: 400; letter-spacing: 1.1px; line-height: 1.6; text-transform: uppercase; }
.hero { padding-top: 58px; }
.hero-eyebrow { display: flex; align-items: center; gap: 10px; }
.blue-square { width: 6px; height: 6px; flex: 0 0 6px; display: inline-block; background: var(--blue); }
h1 { margin: 34px 0 38px; font-size: clamp(64px, 8.4vw, 112px); line-height: 1.02; letter-spacing: -.065em; }
h1 > span { display: block; }
.hero-bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: end; }
.hero-description { max-width: 60ch; line-height: 1.5; }
.hero-actions { justify-self: end; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; font-size: 15px; }
.text-link { color: var(--blue); }
.text-link span, .quiet-link span { margin-left: 18px; }
.quiet-link { color: var(--muted); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 54px; border-block: 1px solid var(--line); }
.fact { display: flex; flex-direction: column-reverse; justify-content: flex-end; align-items: flex-start; padding: 26px 32px 28px; border-left: 1px solid var(--line); }
.fact:first-child { padding-left: 0; border-left: 0; }
.fact dt { color: var(--muted); font-size: 14px; }
.fact dd { display: flex; align-items: baseline; font-size: 56px; line-height: 1.15; letter-spacing: -3px; margin-bottom: 7px; }
.fact-period { color: #a4a39c; }
.fact-prefix { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0; margin-right: 12px; }
.section { padding-top: 112px; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--ink); }
.section-aside { color: var(--muted); }
.expertise-list { list-style: none; }
.expertise-row { display: grid; grid-template-columns: 9% 43% 1fr; gap: 16px; padding: 40px 0 42px; border-bottom: 1px solid var(--line); }
.row-number { font-family: var(--mono); font-size: 13px; color: var(--blue); padding-top: 9px; }
.expertise-row h3 { font-size: clamp(36px, 4.2vw, 56px); line-height: 1.07; letter-spacing: -.045em; }
.expertise-copy { padding-top: 4px; max-width: 60ch; }
.expertise-copy > p:first-child { font-size: 20px; line-height: 1.5; }
.evidence { color: var(--muted); font-size: 15px; line-height: 1.6; margin-top: 20px; }
.experience-entry { display: grid; grid-template-columns: 48% 1fr; column-gap: 48px; padding: 42px 0; border-bottom: 1px solid var(--line); }
.experience-name h3 { font-size: 38px; line-height: 1.15; letter-spacing: -1.6px; }
.experience-name .eyebrow { color: var(--muted); margin-top: 14px; }
.experience-description { max-width: 60ch; }
.client-names { list-style: none; display: flex; flex-wrap: wrap; column-gap: 18px; row-gap: 6px; font-size: 16px; margin-top: 10px; }
.client-work { grid-column: 1 / -1; padding-top: 40px; }
.client-work > h4 { color: var(--muted); margin-bottom: 20px; }
.logo-grid { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.logo-cell { min-height: 112px; padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; gap: 14px; font-size: 24px; font-weight: 500; text-align: center; }
.logo-cell img { display: block; width: auto; height: auto; max-width: 165px; max-height: 38px; object-fit: contain; }
.logo-cell small { display: block; font: 10px/1.7 var(--mono); letter-spacing: .7px; text-transform: uppercase; }
.logo-pair { gap: 12px; font-size: 21px; }
.logo-pair img { max-width: 95px; max-height: 32px; }
.logo-pair .long-brand { font-size: 14px; max-width: 130px; }
.logo-cell[data-brand="t-mobile"] img { width: 32px; height: 32px; }
.logo-cell[data-brand="kiwi"] img { width: 36px; height: 30px; }
.pair-join { font: 14px var(--mono); color: var(--muted); }
.collaboration-note { display: flex; align-items: center; gap: 10px; margin-top: 20px; color: var(--muted); font-size: 13px; }
.small-link { display: inline-block; color: var(--blue); font-size: 15px; margin-top: 20px; }
.small-link span { margin-left: 10px; }
.contact { padding-bottom: 100px; }
.contact > .eyebrow { color: var(--muted); }
.contact h2 { margin-top: 30px; font-size: clamp(48px, 6.5vw, 88px); line-height: 1.07; letter-spacing: -.055em; }
.contact-link { display: inline-flex; align-items: center; gap: 48px; margin-top: 40px; border-bottom: 1px solid var(--blue); padding-bottom: 10px; color: var(--blue); }
.contact-link span { font-size: 28px; }
.site-footer { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 28px 0 32px; border-top: 1px solid var(--line); font-size: 14px; }
.site-footer > .eyebrow { color: var(--muted); font-size: 10px; }

@media (min-width: 1600px) { .hero { padding-top: 72px; } }
@media (max-width: 1000px) {
  .page-shell { width: calc(100% - 64px); }
  .site-header { min-height: 96px; }
  nav { gap: 24px; }
  .hero-bottom { grid-template-columns: 1fr; gap: 24px; }
  .hero-actions { justify-self: start; flex-direction: row; flex-wrap: wrap; gap: 24px; }
  .expertise-row { grid-template-columns: 7% 39% 1fr; }
  .experience-entry { grid-template-columns: 42% 1fr; gap: 28px; }
  .experience-name h3 { font-size: 32px; }
  .logo-cell { padding: 20px 12px; }
  .logo-pair { gap: 7px; }
  .logo-pair img { max-width: 67px; max-height: 28px; }
  .logo-pair .long-brand { font-size: 12px; }
}
@media (max-width: 600px) {
  body { font-size: 18px; }
  .page-shell { width: calc(100% - 40px); }
  .site-header { min-height: 104px; padding: 20px 0; flex-wrap: wrap; row-gap: 14px; }
  .identity { font-size: 23px; }
  nav { width: 100%; gap: 24px; font-size: 13px; }
  nav a { min-height: 28px; display: inline-flex; align-items: center; }
  nav a:last-child { margin-left: auto; }
  .eyebrow { font-size: 10px; letter-spacing: .7px; }
  .hero { padding-top: 36px; }
  h1 { font-size: clamp(40px, 12.8vw, 48px); line-height: 1.06; letter-spacing: -.055em; margin: 28px 0 28px; }
  .desktop-break { display: none; }
  .hero-actions { flex-direction: column; gap: 14px; font-size: 14px; }
  .facts { margin-top: 36px; }
  .fact { padding: 20px 12px; }
  .fact dt { font-size: 11px; line-height: 1.5; }
  .fact dd { font-size: 38px; letter-spacing: -2px; flex-wrap: wrap; }
  .fact-prefix { font-size: 9px; width: 100%; line-height: 1; margin-bottom: 4px; }
  .fact:last-child { position: relative; }
  .fact:last-child .fact-prefix { position: absolute; top: 10px; }
  .section { padding-top: 64px; }
  .section-heading { padding-bottom: 18px; }
  .section-aside { display: none; }
  .expertise-row { grid-template-columns: 1fr; gap: 18px; padding: 28px 0 32px; }
  .row-number { padding: 0; font-size: 12px; }
  .expertise-row h3 { font-size: 40px; }
  .expertise-row h3 br { display: none; }
  .expertise-copy { padding: 0; }
  .expertise-copy > p:first-child { font-size: 18px; }
  .evidence { font-size: 14px; margin-top: 16px; }
  .experience-entry { grid-template-columns: 1fr; padding: 30px 0; gap: 24px; }
  .experience-name h3 { font-size: 32px; }
  .experience-name .eyebrow { margin-top: 10px; }
  .client-names { font-size: 15px; }
  .client-work { padding-top: 8px; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-cell { min-height: 94px; padding: 16px 10px; font-size: 21px; }
  .logo-cell img { max-width: 120px; max-height: 32px; }
  .logo-pair { gap: 8px; flex-wrap: wrap; }
  .logo-pair img { max-width: 57px; max-height: 25px; }
  .logo-pair .long-brand { max-width: 95px; font-size: 11px; }
  .logo-cell[data-brand="ing-nn"] { grid-column: 1 / -1; flex-wrap: nowrap; gap: 24px; }
  .logo-cell[data-brand="ing-nn"] img { max-width: 96px; max-height: 30px; }
  .logo-cell[data-brand="ing-nn"] .long-brand { max-width: none; font-size: 14px; }
  .collaboration-note { font-size: 12px; }
  .contact { padding-bottom: 64px; }
  .contact h2 { font-size: 48px; }
  .contact-link { font-size: 18px; gap: 24px; margin-top: 28px; }
  .site-footer { flex-wrap: wrap; row-gap: 16px; font-size: 13px; }
  .site-footer > .eyebrow { order: 3; width: 100%; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

@media (max-width: 600px) { .site-header nav { gap: clamp(12px, 3.5vw, 24px); font-size: 12px; } }
@media (max-width: 600px) {
  .experience-entry > * { min-width: 0; }
  .logo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 380px) {
  .logo-cell[data-brand="ing-nn"] { flex-wrap: wrap; gap: 12px; }
}