:root {
  --ink: #071525;
  --ink-soft: #12243a;
  --paper: #f7f8fa;
  --white: #ffffff;
  --blue: #1458d4;
  --cyan: #54d7ef;
  --yellow: #f3c548;
  --muted: #5d6b7a;
  --line: #dfe4ea;
  --serif: "Newsreader", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--sans); font-size: 16px; line-height: 1.65; }
a { color: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 99; padding: 10px 16px; background: var(--yellow); color: var(--ink); }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.nav-wrap { min-height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 1.02rem; text-decoration: none; letter-spacing: -.02em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--ink); color: var(--yellow); font-family: var(--serif); font-size: 1.25rem; font-weight: 650; }
.site-nav { display: flex; justify-content: flex-end; gap: clamp(18px, 2.5vw, 36px); }
.site-nav a { text-decoration: none; font-size: .86rem; font-weight: 700; color: #344254; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--blue); }
.lang-switch { display: flex; border-left: 1px solid var(--line); padding-left: 18px; }
.lang { border: 0; background: transparent; color: var(--muted); padding: 7px 6px; font: 700 .75rem var(--sans); cursor: pointer; }
.lang.active { color: var(--blue); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }
.menu-button { display: none; border: 1px solid var(--line); background: white; padding: 8px 12px; font: 700 .8rem var(--sans); }

.hero { position: relative; overflow: hidden; background: var(--ink); color: white; min-height: 700px; display: flex; align-items: stretch; }
.hero-grid { position: absolute; inset: 0; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.18) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, transparent, black 40%, black); }
.hero::after { content: ""; position: absolute; width: 470px; height: 470px; right: -90px; top: 64px; border: 88px solid rgba(84,215,239,.1); transform: rotate(22deg); }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1.55fr .8fr; gap: clamp(60px, 9vw, 130px); align-items: center; padding: 104px 0 94px; }
.eyebrow, .section-kicker { margin: 0 0 18px; color: var(--blue); text-transform: uppercase; letter-spacing: .14em; font-size: .73rem; font-weight: 700; }
.eyebrow { color: var(--cyan); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 820px; margin-bottom: 28px; font-family: var(--serif); font-size: clamp(3.6rem, 7.2vw, 6.5rem); font-weight: 500; line-height: .95; letter-spacing: -.045em; }
.hero-lead { max-width: 720px; margin-bottom: 38px; color: #c9d4df; font-size: clamp(1.08rem, 1.8vw, 1.32rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 0 22px; border: 1px solid transparent; text-decoration: none; font-weight: 700; font-size: .9rem; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--yellow); }
.button-primary:hover { background: #ffda68; }
.button-ghost { color: white; border-color: rgba(255,255,255,.4); }
.button-ghost:hover { border-color: white; }
.hero-brief { position: relative; padding: 25px 26px 28px; color: var(--ink); background: #f1f4f7; box-shadow: 18px 18px 0 rgba(20,88,212,.35); transform: rotate(1.2deg); }
.brief-topline { display: flex; justify-content: space-between; border-bottom: 2px solid var(--ink); padding-bottom: 10px; font-weight: 700; font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; }
.brief-question { margin: 22px 0 28px; font: 500 1.55rem/1.18 var(--serif); }
.brief-axis { display: grid; grid-template-columns: 34px 1fr; gap: 10px; border-top: 1px solid #cfd6de; padding: 11px 0 0; margin-top: 11px; }
.brief-axis span { font-size: .72rem; font-weight: 700; color: var(--blue); }
.brief-axis p { margin-bottom: 0; font-size: .83rem; line-height: 1.4; }
.brief-seal { margin-top: 26px; padding-top: 18px; border-top: 1px solid #cfd6de; display: flex; align-items: center; gap: 12px; }
.brief-seal span { display: grid; place-items: center; width: 48px; height: 48px; border: 2px solid var(--blue); border-radius: 50%; font-size: .72rem; font-weight: 700; }
.brief-seal small { max-width: 120px; line-height: 1.25; color: var(--muted); }

.proof-strip { background: var(--blue); color: white; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-grid > div { min-height: 112px; display: flex; flex-direction: column; justify-content: center; padding: 22px 32px; border-right: 1px solid rgba(255,255,255,.25); }
.proof-grid > div:first-child { border-left: 1px solid rgba(255,255,255,.25); }
.proof-label { color: #bcd0fa; text-transform: uppercase; letter-spacing: .12em; font-size: .67rem; font-weight: 700; }
.proof-grid strong { margin-top: 5px; font-size: 1.02rem; }

.section { padding: 112px 0; }
.intro-grid { display: grid; grid-template-columns: .9fr 1.2fr; gap: clamp(60px, 10vw, 150px); }
h2 { margin-bottom: 24px; font: 500 clamp(2.5rem, 4.3vw, 4.15rem)/1.02 var(--serif); letter-spacing: -.035em; }
.intro-copy { font-size: 1.09rem; color: #3d4c5e; }
.intro-copy p:first-child { font-size: 1.3rem; color: var(--ink); }
.intro-copy p:last-child { margin-bottom: 0; }
.section-heading { display: grid; grid-template-columns: 1.3fr .7fr; align-items: end; gap: 70px; margin-bottom: 58px; }
.section-heading h2 { margin-bottom: 0; }
.section-note { color: #aebdca; margin-bottom: 8px; }
.section-note.dark { color: var(--muted); }
.light { color: white; }
.section-kicker.light { color: var(--cyan); }

.method-section { background: var(--ink); color: #d5dfe8; }
.method-flow { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid #385067; }
.method-flow article { position: relative; min-height: 260px; padding: 28px 22px 20px 0; border-right: 1px solid #385067; }
.method-flow article:not(:first-child) { padding-left: 22px; }
.method-flow article::before { content: ""; position: absolute; width: 8px; height: 8px; top: -4px; left: -4px; background: var(--cyan); }
.method-flow article:first-child::before { left: 0; }
.method-flow span { color: var(--cyan); font-size: .72rem; font-weight: 700; }
.method-flow h3 { margin: 38px 0 14px; color: white; font-size: 1.05rem; line-height: 1.3; }
.method-flow p { margin-bottom: 0; color: #aebdca; font-size: .88rem; line-height: 1.55; }

.work-section { background: var(--paper); }
.work-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.work-card { grid-column: span 2; min-height: 315px; padding: 27px; background: white; border: 1px solid var(--line); display: flex; flex-direction: column; }
.work-card.featured { grid-column: span 4; background: var(--blue); color: white; border-color: var(--blue); }
.card-meta { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 50px; color: var(--blue); font-size: .67rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.featured .card-meta { color: #bcd0fa; }
.work-card h3 { max-width: 500px; margin-bottom: 16px; font: 500 1.75rem/1.12 var(--serif); }
.work-card p { color: var(--muted); font-size: .92rem; }
.featured p { max-width: 620px; color: #d9e5ff; }
.work-card ul { margin: auto 0 0; padding: 24px 0 0; border-top: 1px solid rgba(255,255,255,.3); display: flex; gap: 22px; list-style: none; font-size: .78rem; }

.case-section { overflow: hidden; }
.case-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(60px, 10vw, 140px); align-items: center; }
.case-id { position: relative; min-height: 360px; padding: 35px; display: flex; flex-direction: column; justify-content: space-between; color: white; background: var(--ink); }
.case-id::after { content: ""; position: absolute; right: -46px; top: 42px; width: 92px; height: 180px; background: var(--yellow); }
.case-id span { position: relative; z-index: 1; font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; }
.case-id strong { position: relative; z-index: 1; font: 500 clamp(2.5rem, 4vw, 4rem)/.95 var(--serif); }
.case-copy > p:not(.section-kicker) { color: var(--muted); font-size: 1.04rem; }
.case-tests { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; }
.case-tests span { padding: 7px 12px; border: 1px solid var(--line); color: var(--blue); font-size: .76rem; font-weight: 700; }

.outputs-section { background: #edf1f5; }
.output-list { border-top: 2px solid var(--ink); }
.output-list article { display: grid; grid-template-columns: 60px 1fr auto; gap: 24px; align-items: center; padding: 28px 10px 28px 0; border-bottom: 1px solid #cbd4dd; }
.output-list article > span { color: var(--blue); font-size: .72rem; font-weight: 700; }
.output-list h3 { margin-bottom: 3px; font-size: 1.1rem; }
.output-list p { margin-bottom: 0; color: var(--muted); font-size: .9rem; }
.output-list b { color: #98a4b0; letter-spacing: .1em; font-size: .68rem; }

.lead-grid { display: grid; grid-template-columns: .55fr 1.35fr; align-items: center; gap: clamp(50px, 9vw, 120px); max-width: 920px; }
.monogram { width: 100%; aspect-ratio: 1; display: grid; place-items: center; background: var(--blue); color: white; font: 500 clamp(3rem, 8vw, 6rem) var(--serif); box-shadow: 22px 22px 0 var(--yellow); }
.lead-role { margin-top: -10px; color: var(--blue); font-size: .84rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.lead-grid > div:last-child > p:not(.section-kicker):not(.lead-role) { color: var(--muted); font-size: 1.03rem; }
.text-link { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 4px; font-weight: 700; }

.collab-section { padding: 105px 0; background: var(--blue); color: white; }
.collab-grid { display: grid; grid-template-columns: 1.1fr .8fr; gap: clamp(60px, 10vw, 150px); align-items: start; }
.collab-grid h2 { margin-bottom: 0; }
.collab-grid p { color: #d9e5ff; }
.collab-grid .button { margin-top: 12px; }
.contact-line { margin: 28px 0 0; font-size: .84rem; line-height: 1.7; }
.site-footer { padding: 34px 0; background: var(--ink); color: #9eacba; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 30px; align-items: center; font-size: .78rem; }
.footer-grid p { margin: 0; }
.footer-brand { color: white; }

@media (max-width: 900px) {
  .nav-wrap { grid-template-columns: auto 1fr auto auto; gap: 14px; }
  .menu-button { display: block; justify-self: end; }
  .site-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 24px 20px; flex-direction: column; background: white; border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; }
  .hero-layout, .intro-grid, .section-heading, .case-grid, .collab-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-layout { padding: 80px 0; }
  .hero-brief { max-width: 480px; }
  .method-flow { grid-template-columns: 1fr 1fr; }
  .method-flow article { min-height: 220px; border-bottom: 1px solid #385067; }
  .work-card, .work-card.featured { grid-column: span 3; }
  .case-id { max-width: 420px; }
  .lead-grid { grid-template-columns: 260px 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1180px); }
  .site-header { position: relative; }
  .nav-wrap { min-height: 68px; grid-template-columns: 1fr auto auto; }
  .site-nav { top: 68px; }
  .brand { font-size: .92rem; }
  .brand-mark { width: 30px; height: 30px; }
  .hero-layout { gap: 54px; padding: 68px 0 80px; }
  h1 { font-size: clamp(3rem, 15vw, 4.2rem); }
  .hero-brief { box-shadow: 10px 10px 0 rgba(20,88,212,.35); }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid > div, .proof-grid > div:first-child { min-height: 86px; padding: 16px 4px; border: 0; border-bottom: 1px solid rgba(255,255,255,.25); }
  .section { padding: 78px 0; }
  .section-heading { gap: 18px; margin-bottom: 40px; }
  .method-flow { grid-template-columns: 1fr; }
  .method-flow article, .method-flow article:not(:first-child) { min-height: 0; padding: 24px 0 28px; border-right: 0; }
  .method-flow h3 { margin: 18px 0 8px; }
  .work-grid { grid-template-columns: 1fr; }
  .work-card, .work-card.featured { grid-column: 1; min-height: 270px; }
  .work-card ul { flex-direction: column; gap: 6px; }
  .case-id { min-height: 300px; margin-right: 40px; }
  .output-list article { grid-template-columns: 34px 1fr; }
  .output-list b { display: none; }
  .lead-grid { grid-template-columns: 1fr; }
  .monogram { width: 210px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}
