@font-face {
  font-family:'Instrument Serif';
  src:url('assets/fonts/instrument-serif.woff2') format('woff2');
  font-weight:400;
  font-style:normal;
  font-display:swap}
@font-face {
  font-family:'Instrument Serif';
  src:url('assets/fonts/instrument-serif-italic.woff2') format('woff2');
  font-weight:400;
  font-style:italic;
  font-display:swap}
@font-face {
  font-family:Inter;
  src:url('assets/fonts/inter.woff2') format('woff2');
  font-weight:400 700;
  font-display:swap}
@font-face {
  font-family:'JetBrains Mono';
  src:url('assets/fonts/jetbrains-mono.woff2') format('woff2');
  font-weight:500;
  font-display:swap}

:root {
  --ink:#0e0f12;
  --ink-2:#17191e;
  --paper:#f5f3ef;
  --paper-2:#ebe8e2;
  --line:#d9d6d0;
  --muted:#57544e;
  --accent:#9a4e1d;
  --copper:#c0672f;
  --on-dark:#f5f3ef;
  --on-dark-muted:#a3a09a;
  --on-dark-line:#2c2f36;
  --accent-on-dark:#d9844d;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --sans:Inter,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gutter:clamp(20px,4vw,72px);
  --space:clamp(96px,12vw,200px);
  --h1:clamp(2.75rem,1rem + 7.4vw,9rem);
  --h2:clamp(2.25rem,1.5rem + 3.2vw,4.5rem);
  --h3:clamp(1.5rem,1.2rem + 1vw,2.125rem);
  --lead:clamp(1.125rem,1rem + .45vw,1.375rem);
  --ease:cubic-bezier(.2,.7,.2,1)}

*,*::before,*::after {
  box-sizing:border-box}
html {
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%}
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font:400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility}
h1,h2,h3,p,ol,ul {
  margin:0}
ol,ul {
  padding:0;
  list-style:none}
a {
  color:inherit}
em {
  font-style:italic}
img,svg {
  display:block;
  max-width:100%}
:focus-visible {
  outline:2px solid var(--accent);
  outline-offset:4px}
.dark :focus-visible {
  outline-color:var(--accent-on-dark)}

.frame {
  width:100%;
  max-width:1440px;
  margin-inline:auto;
  padding-inline:var(--gutter)}
.section-space {
  padding-block:var(--space)}
.dark {
  background:var(--ink);
  color:var(--on-dark)}

.skip {
  position:absolute;
  left:16px;
  top:-80px;
  z-index:10;
  padding:12px 18px;
  background:var(--paper);
  color:var(--ink);
  font-weight:600}
.skip:focus {
  top:16px}

/* Header */
.header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-block:28px}
.brand {
  display:inline-flex;
  align-items:center;
  text-decoration:none}
.brand img {
  width:auto;
  height:clamp(34px,3.2vw,44px)}
.header nav {
  display:flex;
  align-items:center;
  gap:clamp(16px,2.5vw,40px);
  font-size:.9375rem}
.header nav a {
  text-decoration:none;
  color:var(--on-dark-muted);
  transition:color .2s}
.header nav a:hover {
  color:var(--on-dark)}
.header nav .nav-cta {
  color:var(--on-dark);
  padding:10px 18px;
  border:1px solid var(--on-dark-line);
  border-radius:999px}
.header nav .nav-cta:hover {
  border-color:var(--on-dark)}

/* Type helpers */
.eyebrow,.index,.label,.tags li,.service ul li,.hero-tags li,.work-num {
  font-family:var(--mono);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.08em;
  text-transform:uppercase}
.index {
  display:block;
  color:var(--accent);
  margin-bottom:28px}
.dark .index,.dark .eyebrow {
  color:var(--accent-on-dark)}
h1,h2 {
  font-family:var(--serif);
  font-weight:400;
  letter-spacing:-.02em;
  line-height:.98}
h2 em,h1 em {
  color:var(--muted)}
.dark h1 em,.dark h2 em {
  color:var(--on-dark-muted)}
h2 {
  font-size:var(--h2)}
h3 {
  font-family:var(--serif);
  font-weight:400;
  font-size:var(--h3);
  line-height:1.1;
  letter-spacing:-.01em}

/* Buttons and links */
.button {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 28px;
  border:0;
  border-radius:999px;
  background:var(--ink);
  color:var(--paper);
  font:600 .9375rem/1 var(--sans);
  text-decoration:none;
  cursor:pointer;
  transition:transform .2s var(--ease),background .2s}
.dark .button {
  background:var(--paper);
  color:var(--ink)}
.button:hover {
  transform:translateY(-2px)}
.button:disabled {
  opacity:.5;
  cursor:not-allowed;
  transform:none}
.text-link {
  padding:0;
  border:0;
  background:none;
  color:inherit;
  font:600 .9375rem/1.4 var(--sans);
  text-decoration:underline;
  text-underline-offset:6px;
  text-decoration-thickness:1px;
  cursor:pointer}
.text-link:hover {
  text-decoration-thickness:2px}

/* Hero */
.hero {
  padding-top:clamp(72px,10vw,160px);
  padding-bottom:56px}
.eyebrow {
  color:var(--on-dark-muted);
  margin-bottom:32px}
.hero h1 {
  font-size:var(--h1)}
.hero-foot {
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);
  gap:40px 64px;
  align-items:end;
  margin-top:clamp(48px,6vw,96px)}
.lead {
  font-size:var(--lead);
  line-height:1.5;
  color:var(--on-dark-muted);
  max-width:46ch}
.hero-actions {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:28px;
  justify-self:end}
.hero-tags {
  display:flex;
  flex-wrap:wrap;
  gap:12px 40px;
  margin-top:clamp(72px,9vw,140px);
  padding-top:24px;
  border-top:1px solid var(--on-dark-line);
  color:var(--on-dark-muted)}

/* Section heads */
.section-head {
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  column-gap:24px;
  margin-bottom:clamp(56px,7vw,112px)}
.section-head .index {
  grid-column:1/-1}
.section-head h2 {
  grid-column:1/span 7}
.section-head p {
  grid-column:9/-1;
  align-self:end;
  color:var(--muted);
  font-size:var(--lead);
  line-height:1.5}
.section-head.compact {
  display:block;
  margin-bottom:0}

/* Work */
.work-list {
  border-top:1px solid var(--ink)}
.work-item:hover .work-body h3 {
  color:var(--accent)}
.work-body h3 {
  transition:color .25s}
.work-item {
  display:grid;
  grid-template-columns:80px minmax(0,1fr) 260px;
  gap:24px 40px;
  padding-block:clamp(36px,4vw,56px);
  border-bottom:1px solid var(--line);
  transition:background .3s}
.work-num {
  color:var(--accent);
  padding-top:10px}
.work-body h3 {
  font-size:clamp(1.75rem,1.2rem + 1.8vw,3rem);
  max-width:22ch}
.work-body p {
  margin-top:18px;
  max-width:58ch;
  color:var(--muted)}
.tags {
  display:flex;
  flex-wrap:wrap;
  align-content:start;
  gap:8px;
  padding-top:10px}
.tags li {
  padding:6px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  letter-spacing:.04em}
.work-close {
  margin-top:48px;
  font-family:var(--serif);
  font-size:clamp(1.375rem,1.1rem + .9vw,1.875rem);
  line-height:1.3}
.work-close a {
  text-decoration-thickness:1px;
  text-underline-offset:6px}

/* Services */
.services {
  background:var(--paper-2)}
.service-list {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--ink)}
.service {
  padding:36px 32px 8px 0;
  display:flex;
  flex-direction:column;
  gap:18px}
.service + .service {
  padding-left:32px;
  border-left:1px solid var(--line)}
.service p {
  color:var(--muted)}
.service ul {
  display:grid;
  gap:10px;
  margin-top:auto;
  padding-top:24px}
.service ul li {
  letter-spacing:.04em}

/* Explorer */
.explorer-inner {
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:64px;
  align-items:start}
.explorer-intro p {
  margin-top:24px;
  color:var(--on-dark-muted);
  font-size:var(--lead);
  max-width:36ch}
.scenario-controls {
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:40px}
.scenario {
  padding:12px 18px;
  border:1px solid var(--on-dark-line);
  border-radius:999px;
  background:none;
  color:var(--on-dark-muted);
  font:500 .9375rem/1 var(--sans);
  cursor:pointer;
  transition:all .2s}
.scenario:hover {
  color:var(--on-dark);
  border-color:var(--on-dark-muted)}
.scenario.active {
  background:var(--on-dark);
  border-color:var(--on-dark);
  color:var(--ink)}
.scenario-result {
  display:grid;
  gap:32px;
  padding:clamp(28px,4vw,48px);
  border:1px solid var(--on-dark-line);
  background:var(--ink-2)}
.label {
  display:block;
  margin-bottom:14px;
  color:var(--on-dark-muted)}
.scenario-result p {
  font-family:var(--serif);
  font-size:clamp(1.375rem,1.1rem + 1vw,2rem);
  line-height:1.25}
.result-rule {
  height:1px;
  background:linear-gradient(90deg,var(--accent-on-dark),transparent)}

/* Approach */
.steps {
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:32px;
  counter-reset:step}
.steps li {
  counter-increment:step;
  padding-top:24px;
  border-top:1px solid var(--ink)}
.steps li::before {
  content:'0' counter(step);
  display:block;
  margin-bottom:40px;
  font:500 .75rem/1 var(--mono);
  letter-spacing:.08em;
  color:var(--muted)}
.steps p {
  margin-top:14px;
  color:var(--muted)}

/* FAQ */
.faq {
  padding-top:0}
.faq-inner {
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:48px}
.questions {
  border-top:1px solid var(--ink)}
details {
  border-bottom:1px solid var(--line)}
summary {
  display:flex;
  justify-content:space-between;
  gap:24px;
  padding-block:24px;
  font-family:var(--serif);
  font-size:clamp(1.25rem,1.1rem + .6vw,1.625rem);
  line-height:1.25;
  cursor:pointer;
  list-style:none}
summary::-webkit-details-marker {
  display:none}
summary::after {
  content:'+';
  font-family:var(--sans);
  font-weight:300;
  transition:transform .2s}
details[open] summary::after {
  transform:rotate(45deg)}
details p {
  padding-bottom:24px;
  max-width:60ch;
  color:var(--muted)}

/* Contact */
.contact-inner {
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:64px 96px;
  align-items:end}
.contact h2 {
  font-size:clamp(2.5rem,1.6rem + 4vw,5.5rem)}
.contact-main > p {
  margin-top:28px;
  max-width:44ch;
  color:var(--on-dark-muted);
  font-size:var(--lead)}
.contact-email {
  display:inline-block;
  margin-top:48px;
  font-family:var(--serif);
  font-size:clamp(2rem,1rem + 3.4vw,4.25rem);
  line-height:1.05;
  letter-spacing:-.01em;
  overflow-wrap:anywhere;
  text-decoration:underline;
  text-decoration-color:var(--copper);
  text-decoration-thickness:2px;
  text-underline-offset:12px;
  transition:color .2s}
.contact-email:hover {
  color:var(--accent-on-dark)}
.contact-actions {
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 28px;
  margin-top:40px}
#copy-status {
  font-size:.875rem;
  color:var(--on-dark-muted)}
.human-note {
  padding:clamp(28px,3.5vw,44px);
  border:1px solid var(--on-dark-line);
  border-left:3px solid var(--copper);
  background:var(--ink-2)}
.human-note h3 {
  font-size:clamp(1.625rem,1.3rem + 1vw,2.25rem);
  margin-bottom:18px}
.human-note p {
  color:var(--on-dark-muted)}
.human-note p + p {
  margin-top:14px}

/* Footer */
.footer {
  padding-block:56px 32px;
  overflow:hidden;
  border-top:1px solid var(--on-dark-line)}
.footer-logo {
  width:min(100%,920px);
  height:auto}
.footer-bottom {
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:16px 32px;
  margin-top:40px;
  font-size:.875rem;
  color:var(--on-dark-muted)}
.footer-bottom nav {
  display:flex;
  gap:28px}
.footer-bottom a {
  text-decoration:none}
.footer-bottom a:hover {
  color:var(--on-dark)}

/* Motion */
.revealing {
  animation:enter .8s var(--ease) both}
@keyframes enter {
  from {
    opacity:0;
    transform:translateY(18px)}
  to {
    opacity:1;
    transform:none}
}

/* Responsive */
@media(max-width:1080px) {
  .service-list {
    grid-template-columns:1fr 1fr}
  .service:nth-child(3) {
    padding-left:0;
    border-left:0}
  .service:nth-child(n+3) {
    border-top:1px solid var(--line);
    margin-top:24px}
  .steps {
    grid-template-columns:1fr 1fr;
    row-gap:56px}
  .work-item {
    grid-template-columns:56px minmax(0,1fr)}
  .work-item .tags {
    grid-column:2}
  .section-head h2 {
    grid-column:1/-1}
  .section-head p {
    grid-column:1/span 9;
    margin-top:28px}
}
@media(max-width:760px) {
  .header nav a:not(.nav-cta) {
    display:none}
  .hero-foot,.explorer-inner,.contact-inner,.faq-inner {
    grid-template-columns:1fr}
  .hero-actions {
    justify-self:start}
  .hero-tags {
    gap:10px 24px}
  .section-head p {
    grid-column:1/-1}
  .service-list,.steps {
    grid-template-columns:1fr}
  .service,.service + .service {
    padding:28px 0 8px;
    border-left:0}
  .service + .service {
    border-top:1px solid var(--line);
    margin-top:24px}
  .work-item {
    grid-template-columns:1fr;
    gap:16px}
  .work-item .tags {
    grid-column:1}
  .work-num {
    padding-top:0}
}
@media(prefers-reduced-motion:reduce) {
  html {
    scroll-behavior:auto}
  *,*::before,*::after {
    animation:none!important;
    transition:none!important}
}