:root {
  --ink: #0a0a0a;
  --paper: #f5f5f2;
  --white: #fff;
  --line: rgba(10, 10, 10, .18);
  --line-dark: rgba(255, 255, 255, .22);
  --accent: #d9ff43;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
  --page: min(92vw, 1440px);
  --pad: clamp(1.25rem, 4vw, 4rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .25em; }
button, input, textarea { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed; left: 1rem; top: -5rem; z-index: 1000;
  padding: .75rem 1rem; background: var(--accent); color: var(--ink);
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  min-height: 76px; padding: .9rem var(--pad);
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease;
}
.site-header.is-scrolled { background: rgba(245, 245, 242, .92); border-color: var(--line); backdrop-filter: blur(12px); }
.wordmark { font-size: 1.1rem; font-weight: 700; letter-spacing: -.04em; text-decoration: none; }
.wordmark span { color: #656565; }
.nav { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.5rem); }
.nav a { font-size: .8rem; font-weight: 600; text-decoration: none; }
.nav a:not(.nav-cta):hover { text-decoration: underline; }
.nav-cta { padding: .65rem 1rem; color: var(--white); background: var(--ink); }
.menu-button { display: none; border: 0; background: transparent; cursor: pointer; }

.section { width: 100%; padding: clamp(6rem, 10vw, 10rem) var(--pad); }
.section-dark { color: var(--white); background: var(--ink); }
.eyebrow { margin: 0 0 1.5rem; font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }

.hero {
  position: relative; display: grid; grid-template-columns: minmax(0, 56%) minmax(290px, 44%);
  gap: 0; align-items: center; min-height: 100svh; padding-top: 9rem;
}
.hero-copy { position: relative; z-index: 2; }
.hero h1 { margin: 0; font-size: clamp(4.3rem, 10.4vw, 10.5rem); line-height: .82; letter-spacing: -.07em; font-weight: 600; }
.hero h1 em { font-family: var(--serif); font-weight: 400; }
.hero-intro { max-width: 42rem; margin: 2.5rem 0 0; font-size: clamp(1.05rem, 1.5vw, 1.3rem); line-height: 1.6; }
.hero-actions { display: flex; align-items: center; gap: 2rem; margin-top: 2.25rem; }
.button { display: inline-flex; justify-content: space-between; align-items: center; gap: 2rem; min-width: 13rem; padding: .9rem 1.1rem; border: 1px solid currentColor; font-size: .8rem; font-weight: 700; text-decoration: none; cursor: pointer; transition: transform .2s ease, background .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-dark { color: var(--white); background: var(--ink); }
.button-light { color: var(--ink); background: var(--white); }
.button-outline { color: var(--ink); background: transparent; }
.text-link { font-size: .85rem; font-weight: 700; }
.hero-portrait { position: relative; z-index: 1; width: var(--hero-size, 300px); margin: 0; justify-self: center; align-self: center; }
.portrait-crop { width: var(--hero-size, 300px); height: var(--hero-size, 300px); overflow: hidden; border-radius: 50%; }
.hero-portrait img { width: var(--hero-size, 300px); height: var(--hero-size, 300px); aspect-ratio: 1; object-fit: cover; object-position: center; border-radius: 50%; filter: grayscale(1) contrast(1.06); }
.hero-portrait figcaption { display: flex; justify-content: space-between; gap: 1rem; margin-top: .65rem; font-size: .67rem; letter-spacing: .06em; text-transform: uppercase; }
.hero-side-note { position: absolute; right: .6rem; top: 44%; margin: 0; font-size: .65rem; letter-spacing: .16em; text-transform: uppercase; writing-mode: vertical-rl; }

.proof-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  width: 100%; padding: 0 var(--pad) clamp(5rem, 8vw, 8rem);
}
.proof-item { min-height: 10rem; padding: 1.2rem; border-top: 1px solid var(--line); border-right: 1px solid var(--line); }
.proof-item:last-child { border-right: 0; }
.proof-item strong { display: block; font-family: var(--serif); font-size: clamp(3rem, 5vw, 5.25rem); line-height: .9; font-weight: 400; }
.proof-item span { display: block; max-width: 14rem; margin-top: 1rem; font-size: .72rem; font-weight: 700; letter-spacing: .08em; line-height: 1.4; text-transform: uppercase; }

.statement { display: grid; grid-template-columns: .35fr 1.65fr; gap: 2rem; }
.statement-kicker { margin: .75rem 0 0; font-size: .75rem; letter-spacing: .15em; text-transform: uppercase; }
.statement-text { max-width: 68rem; margin: 0; font-size: clamp(3.3rem, 7.8vw, 8rem); line-height: .92; letter-spacing: -.055em; }
.statement-text em { font-family: var(--serif); font-weight: 400; }
.statement-detail { grid-column: 2; display: flex; justify-content: space-between; align-items: end; gap: 3rem; margin-top: 3rem; border-top: 1px solid var(--line-dark); padding-top: 2rem; }
.statement-detail p { max-width: 35rem; margin: 0; font-size: 1.1rem; }
.orbit-mark { display: grid; place-items: center; flex: 0 0 6rem; width: 6rem; aspect-ratio: 1; border: 1px solid var(--white); border-radius: 50%; font-size: .8rem; letter-spacing: .12em; }

.section-heading { display: grid; grid-template-columns: .42fr 1.1fr .55fr; gap: 2rem; align-items: start; margin-bottom: clamp(3rem, 7vw, 7rem); }
.section-heading h2 { margin: 0; max-width: 14ch; font-size: clamp(3rem, 6vw, 6rem); line-height: .95; letter-spacing: -.055em; font-weight: 600; }
.section-heading > p:last-child { margin: .7rem 0 0; }

.case-study { border-top: 1px solid var(--line); padding-top: 1rem; }
.case-feature { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 5vw, 5rem); }
.case-feature .case-media-stack { grid-column: 1; grid-row: 1; align-self: start; }
.case-feature .case-media { align-self: start; background: var(--paper); }
.case-media { position: relative; overflow: hidden; background: #d8d8d5; }
.case-media img, .case-media video { display: block; width: 100%; aspect-ratio: 8 / 5; object-fit: cover; filter: none; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.case-media img[data-media-mode="natural"], .case-media video[data-media-mode="natural"] { height: auto; aspect-ratio: auto; object-fit: contain; }
.case-media img.usability-photo { object-position: center 8%; }
.main-media-caption { margin: .55rem 0 0; font-size: .78rem; color: #555; }
.case-study:hover .case-media img, .case-study:hover .case-media video { transform: scale(1.025); }
.case-number { position: absolute; left: .75rem; top: .75rem; display: grid; place-items: center; width: 2.6rem; height: 2.6rem; background: var(--white); font-size: .72rem; font-weight: 700; }
.case-type { margin: 1rem 0 .8rem; font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.case-content h3 { margin: 0; max-width: 16ch; font-size: clamp(2.1rem, 3.8vw, 4rem); line-height: 1; letter-spacing: -.045em; }
.case-summary { max-width: 38rem; margin: 1.5rem 0; }
.case-content details { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-content summary { display: flex; justify-content: space-between; gap: 1rem; width: fit-content; min-width: 13rem; padding: .9rem 1.1rem; margin: 1rem 0; color: var(--white); background: var(--ink); border: 1px solid var(--ink); font-size: .78rem; font-weight: 700; cursor: pointer; list-style: none; }
.case-content summary::-webkit-details-marker { display: none; }
.case-content details[open] summary span { transform: rotate(45deg); }
.case-content summary span { transition: transform .2s ease; }
.case-detail { display: grid; gap: 1.5rem; padding: 1rem 0 2rem; }
.case-detail h4 { margin: 0 0 .35rem; font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.case-detail p { margin: 0; color: #454545; }
.case-gallery { display: grid; gap: 1.5rem; margin-top: 1.5rem; }
.case-gallery figure { margin: 0; }
.case-gallery img, .case-gallery video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: none; }
.case-gallery figcaption { margin-top: .5rem; font-size: .78rem; color: #555; }
.case-media-gallery { display: grid; gap: 1.5rem; margin-top: 1.5rem; }
.case-media-gallery figure { margin: 0; }
.case-media-gallery img, .case-media-gallery video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; filter: none; }
.case-media-gallery figcaption { margin-top: .5rem; font-size: .78rem; color: #555; }
.case-feature .case-media-gallery { margin-top: 1.5rem; }
.case-feature:not(:has(.case-content details[open])) .case-media-gallery { display: none; }
.process-heading { margin: 2rem 0 1rem; padding-top: 1.25rem; border-top: 1px solid var(--line); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; }
.case-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: clamp(2.5rem, 7vw, 7rem); margin-top: clamp(6rem, 10vw, 10rem); }
.case-grid .case-content h3 { font-size: clamp(2rem, 3.3vw, 3.5rem); }
.case-offset { margin-top: 0; }

.approach .section-heading { grid-template-columns: .42fr 1.65fr; }
.principles { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line-dark); }
.principle { min-height: 22rem; padding: 1.5rem 1.4rem 2rem; border-right: 1px solid var(--line-dark); }
.principle:last-child { border-right: 0; }
.principle > span { color: #999; font-size: .75rem; }
.principle h3 { margin: 8rem 0 .8rem; font-family: var(--serif); font-size: clamp(1.8rem, 2.5vw, 2.8rem); line-height: 1; font-weight: 400; }
.principle p { margin: 0; color: #b9b9b9; font-size: .93rem; }

.experience { background: var(--white); }
.experience-list { border-top: 1px solid var(--line); }
.experience-role {
  display: grid; grid-template-columns: .34fr .75fr 1.1fr; gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start; padding: 2rem 0; border-bottom: 1px solid var(--line);
}
.experience-dates, .experience-company { margin: 0; font-size: .7rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.experience-company { margin-bottom: .45rem; color: #555; }
.experience-role h3 { margin: 0; font-size: clamp(1.5rem, 2.5vw, 2.6rem); line-height: 1.05; letter-spacing: -.035em; }
.experience-role > p:last-child { max-width: 43rem; margin: 0; }
.resume-downloads { display: grid; grid-template-columns: 1fr auto auto; gap: 1rem; align-items: center; margin-top: 3rem; }
.resume-downloads > p { margin: 0; font-family: var(--serif); font-size: clamp(1.5rem, 2.5vw, 2.2rem); }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(3rem, 8vw, 8rem); }
.about-intro h2 { margin: 0; font-size: clamp(3.5rem, 7vw, 7.5rem); line-height: .9; letter-spacing: -.06em; }
.about-intro h2 em { font-family: var(--serif); font-weight: 400; }
.about-copy { align-self: end; max-width: 42rem; }
.about-copy p { margin: 0 0 1.5rem; }
.about-lead { font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.45; }
.capabilities { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); margin-top: 2rem; }
.capabilities p { margin: 0; padding: 1.15rem .8rem; border-bottom: 1px solid var(--line); font-size: .8rem; font-weight: 600; }
.testimonials { grid-column: 1 / -1; margin-top: clamp(4rem, 9vw, 9rem); }
.testimonials-heading { display: grid; grid-template-columns: .42fr 1.1fr .55fr; gap: 2rem; align-items: start; margin-bottom: clamp(3rem, 6vw, 6rem); }
.testimonials-heading h3 { margin: 0; font-size: clamp(3rem, 5.5vw, 5.8rem); line-height: .94; letter-spacing: -.055em; }
.testimonials-heading h3 { scroll-margin-top: 7rem; }
.testimonials-heading h3 em { font-family: var(--serif); font-weight: 400; }
.testimonials-heading > p:last-child { margin: .7rem 0 0; }
.testimonial-feature { margin: 0; padding: clamp(2rem, 5vw, 5rem) clamp(1.5rem, 6vw, 7rem); color: var(--white); background: var(--ink); }
.testimonial-feature > p { max-width: 28ch; margin: 0; font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 5.4rem); line-height: .98; }
.testimonial-feature cite, .testimonial-card cite { display: flex; flex-direction: column; gap: .1rem; margin-top: 1.75rem; font-style: normal; }
.testimonial-feature cite strong, .testimonial-card cite strong { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.testimonial-feature cite span, .testimonial-card cite span { color: #a9a9a9; font-size: .7rem; letter-spacing: .06em; text-transform: uppercase; }
.testimonial-grid { column-count: 2; column-gap: clamp(2rem, 5vw, 5rem); margin-top: clamp(3rem, 6vw, 6rem); }
.testimonial-card { break-inside: avoid; margin: 0 0 clamp(2rem, 5vw, 4.5rem); padding-top: 1.25rem; border-top: 1px solid var(--line); }
.testimonial-card > p { margin: 0; font-family: var(--serif); font-size: clamp(1.55rem, 2.6vw, 2.6rem); line-height: 1.15; }

.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 9rem); }
.contact-heading h2 { margin: 0 0 2rem; font-size: clamp(3.5rem, 6.8vw, 7rem); line-height: .9; letter-spacing: -.055em; }
.contact-heading h2 em { font-family: var(--serif); font-weight: 400; }
.contact-heading > p:last-child { max-width: 34rem; color: #bdbdbd; }
.contact-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; align-content: start; }
.field { display: flex; flex-direction: column; }
.field-full { grid-column: 1 / -1; }
.field label { margin-bottom: .45rem; font-size: .7rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.field label span { color: #8d8d8d; font-weight: 400; }
.field input, .field textarea { width: 100%; border: 0; border-bottom: 1px solid var(--line-dark); border-radius: 0; padding: .75rem 0 1rem; color: var(--white); background: transparent; outline: none; }
.field input::placeholder, .field textarea::placeholder { color: #c9c9c9; opacity: 1; }
.field input:focus, .field textarea:focus { border-color: var(--accent); }
.field textarea { resize: vertical; }
.honeypot { position: absolute; left: -9999px; }
.form-footer { display: flex; align-items: center; gap: 1rem; margin-top: .5rem; }
.contact-status { margin: 0; font-size: .8rem; }
.contact-status.is-success { color: var(--accent); }
.contact-status.is-error { color: #ff9999; }

.footer { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; align-items: start; padding: 2.5rem var(--pad); background: var(--paper); font-size: .78rem; }
.footer p { margin: 0; }
.footer > div { display: flex; justify-content: flex-end; gap: 1.5rem; }
.footer .copyright { grid-column: 2; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .75s ease, transform .75s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: none; }

.back-to-top { position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 20; display: grid; place-items: center; width: 3rem; height: 3rem; padding: 0; color: var(--white); background: var(--ink); border: 1px solid var(--white); border-radius: 50%; box-shadow: 0 5px 20px rgba(0,0,0,.2); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(.75rem); transition: opacity .2s ease, transform .2s ease, background .2s ease; }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { color: var(--ink); background: var(--white); border-color: var(--ink); }

@media (max-width: 900px) {
  .site-header { min-height: 68px; }
  .menu-button { position: relative; z-index: 2; display: flex; align-items: center; gap: .6rem; padding: .5rem 0; font-size: .75rem; font-weight: 700; }
  .menu-button i, .menu-button i::after { display: block; width: 1.3rem; height: 1px; background: currentColor; transition: transform .2s ease; }
  .menu-button i::after { content: ""; transform: translateY(5px); }
  .menu-button[aria-expanded="true"] i { transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] i::after { transform: rotate(90deg); }
  .nav { position: fixed; inset: 0; width: 100vw; height: 100dvh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 1rem; padding: 5rem var(--pad); color: var(--white); background: var(--ink); visibility: hidden; opacity: 0; transition: opacity .2s ease, visibility .2s ease; }
  .nav.is-open { visibility: visible; opacity: 1; }
  .nav a { font-family: var(--serif); font-size: clamp(2.8rem, 11vw, 5rem); font-weight: 400; }
  .nav-cta { padding: 0; }
  .site-header:has(.nav.is-open) { color: var(--white); background: transparent; border-color: transparent; backdrop-filter: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 4rem; padding-top: 9rem; }
  .hero-copy { max-width: 48rem; }
  .hero h1 { font-size: clamp(4.1rem, 15vw, 8rem); }
  .hero-portrait { width: var(--hero-size, 300px); justify-self: center; }
  .hero-side-note { display: none; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item { border-bottom: 1px solid var(--line); }
  .statement { grid-template-columns: 1fr; }
  .statement-detail { grid-column: 1; }
  .section-heading { grid-template-columns: 1fr 1fr; }
  .section-heading .eyebrow { grid-column: 1 / -1; }
  .case-feature { grid-template-columns: 1fr; }
  .case-feature .case-media-stack { display: contents; }
  .case-feature .case-media { grid-column: 1; grid-row: 1; order: 0; }
  .case-feature .case-content { grid-column: 1; grid-row: 2; order: 1; }
  .case-feature .case-media-gallery { grid-column: 1; grid-row: 3; order: 2; }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .principle:nth-child(2) { border-right: 0; }
  .principle { border-bottom: 1px solid var(--line-dark); }
  .experience-role { grid-template-columns: .35fr 1fr; }
  .experience-role > p:last-child { grid-column: 2; }
  .resume-downloads { grid-template-columns: 1fr 1fr; }
  .resume-downloads > p { grid-column: 1 / -1; }
  .testimonials-heading { grid-template-columns: 1fr 1fr; }
  .testimonials-heading .eyebrow { grid-column: 1 / -1; }
  .contact { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .section { padding-top: 5rem; padding-bottom: 5rem; }
  .hero { padding-top: 8rem; }
  .hero h1 { font-size: clamp(3.75rem, 18.5vw, 6rem); }
  .hero-intro { margin-top: 1.75rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.1rem; }
  .hero-portrait { width: min(var(--hero-mobile-size, var(--hero-size, 300px)), 88vw) !important; margin-inline: auto !important; justify-self: center !important; grid-column: 1; }
  .portrait-crop, .hero-portrait img { width: min(var(--hero-mobile-size, var(--hero-size, 300px)), 88vw) !important; height: min(var(--hero-mobile-size, var(--hero-size, 300px)), 88vw) !important; }
  .hero-portrait figcaption { flex-direction: column; gap: .15rem; }
  .proof-strip { padding-bottom: 4rem; }
  .proof-item { min-height: 8.5rem; padding: 1rem .5rem; }
  .proof-item strong { font-size: 3.5rem; }
  .statement-text { font-size: clamp(3rem, 15vw, 5rem); }
  .statement-detail { align-items: flex-start; flex-direction: column; }
  .section-heading { grid-template-columns: 1fr; }
  .section-heading h2 { font-size: clamp(2.8rem, 13vw, 4.5rem); }
  .case-grid { grid-template-columns: 1fr; }
  .case-offset { margin-top: 0; }
  .case-content h3, .case-grid .case-content h3 { font-size: 2.35rem; }
  .principles { grid-template-columns: 1fr; }
  .principle { min-height: auto; border-right: 0; }
  .principle h3 { margin-top: 4rem; }
  .experience-role { grid-template-columns: 1fr; gap: .75rem; }
  .experience-role > p:last-child { grid-column: 1; margin-top: .5rem; }
  .resume-downloads { grid-template-columns: 1fr; }
  .resume-downloads > p { grid-column: 1; }
  .resume-downloads .button { width: 100%; }
  .about { grid-template-columns: 1fr; }
  .capabilities { grid-column: 1; grid-template-columns: 1fr 1fr; }
  .testimonials { grid-column: 1; }
  .testimonials-heading { grid-template-columns: 1fr; }
  .testimonial-grid { column-count: 1; }
  .contact-form { grid-template-columns: 1fr; }
  .field { grid-column: 1; }
  .form-footer { align-items: flex-start; flex-direction: column; }
  .footer { grid-template-columns: 1fr 1fr; }
  .footer > p:nth-child(2) { display: none; }
  .footer > div { justify-content: flex-end; }
  .footer .copyright { grid-column: 1 / -1; margin-top: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}