/* Montiso / The Useful Shift. Authoritative source: new-branding/ brand guidelines. */
:root {
  --cobalt: #2849d8;
  --white: #ffffff;
  --gallery: #f5f5f5;
  --carbon: #111111;
  --line: #e5e5e5;
  --secondary: #5b5b5b;
  --margin: 64px;
  --max: 1312px;
  --sans: 'Inter', Arial, sans-serif;
  --serif: 'Source Serif 4', Georgia, serif;
  --mono: 'IBM Plex Mono', monospace;
  --shift: cubic-bezier(.22, 1, .36, 1);
  --scene: cubic-bezier(.76, 0, .24, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 116px; }
html.motion-enabled { scroll-behavior: smooth; }
body { margin: 0; background: var(--gallery); color: var(--carbon); font: 18px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
body.menu-open { overflow: hidden; }
::selection { background: var(--cobalt); color: var(--white); }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 3px; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--sans); }
h2 { font-size: 40px; line-height: 1.15; font-weight: 700; letter-spacing: -.02em; }
ul { margin: 0; padding: 0; list-style: none; }
.wrap { width: calc(100% - var(--margin) * 2); max-width: var(--max); margin-inline: auto; }
.section-space { padding-block: 104px; }
.mono, .eyebrow { font-family: var(--mono); font-size: 12px; font-weight: 400; line-height: 1.4; letter-spacing: .04em; }
.eyebrow { text-transform: uppercase; margin-bottom: 30px; color: var(--secondary); }
.editorial { font-family: var(--serif); font-weight: 400; font-style: normal; letter-spacing: -.01em; }
.icon { flex-shrink: 0; display: inline-block; width: 24px; height: 24px; vertical-align: middle; }
.skip-link { position: fixed; top: 16px; left: 20px; z-index: 300; padding: 14px 20px; background: var(--cobalt); color: white; border-radius: 10px; transform: translateY(-200%); }
.skip-link:focus { transform: none; }

/* The signature is always fixed and proportionate. No logo animation. */
.site-header { background: var(--white); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; min-height: 104px; gap: 36px; }
.brand { display: inline-block; width: 200px; flex-shrink: 0; }
.brand img { display: block; width: 100%; height: auto; }
#primary-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; font-size: 13px; font-weight: 500; }
#primary-nav a { padding-block: 14px; }
#primary-nav a:not(.nav-contact):hover, #primary-nav a[aria-current] { color: var(--cobalt); text-decoration: underline; text-underline-offset: 6px; }
.nav-contact { display: flex; align-items: center; gap: 18px; margin-left: 20px; padding-inline: 16px; border-radius: 10px; }
#primary-nav .nav-contact:hover { background: var(--carbon); color: var(--white); text-decoration: none; }
.nav-contact:hover .icon { filter: brightness(0) invert(1); }
.menu-toggle { display: none; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; padding: 16px 22px; font-size: 14px; font-weight: 500; line-height: 1.4; border: 1px solid transparent; border-radius: 10px; }
.button-primary { background: var(--cobalt); color: var(--white); }
.button-primary .icon { filter: invert(1); }
.button-light { background: var(--white); color: var(--cobalt); }
.button-primary:hover { background: var(--carbon); color: var(--white); }
.button-light:hover { background: var(--cobalt); color: var(--white); }
.button-light:hover .icon { filter: brightness(0) invert(1); }
.text-link { display: inline-flex; align-items: center; gap: 22px; padding-block: 10px; color: var(--cobalt); font-size: 14px; font-weight: 500; border-bottom: 1px solid currentColor; }
.text-link:hover .icon, .button:hover .icon, .nav-contact:hover .icon { transform: translate(3px,-3px); }

/* The offer is immediately readable. The illustration expands independently. */
.hero { padding-top: 34px; }
.hero-intro { display: grid; grid-template-columns: 1.55fr 1fr; align-items: end; gap: 80px; padding: 68px 0 52px; }
h1 { font-size: clamp(72px,7.5vw,112px); font-weight: 800; letter-spacing: -.03em; line-height: 1; }
h1 > span { display: block; }
.hero-copy { max-width: 390px; justify-self: end; padding-bottom: 5px; }
.hero-copy p { font-size: 18px; line-height: 1.6; }
.hero-copy .button { margin-top: 28px; }
.frame-track { height: 480px; position: relative; }
.expanding-frame { width: var(--frame-width,100%); height: 100%; margin-inline: auto; border-radius: 32px; overflow: hidden; position: relative; background: var(--carbon); color: var(--white); }
.frame-caption, .frame-bottom { position: absolute; left: 32px; right: 32px; display: flex; justify-content: space-between; gap: 20px; z-index: 3; }
.frame-caption { top: 28px; }
.frame-bottom { bottom: 25px; }
.connected-art { position: absolute; inset: 0; overflow: hidden; }
.idea-sheet, .system-sheet { position: absolute; width: 35%; height: 64%; top: 17%; border-radius: 24px; padding: 28px; box-shadow: 0 24px 48px #00000022; }
.idea-sheet { left: 17%; background: var(--white); color: var(--carbon); transform: translateX(calc(var(--board-shift,0) * -1px)) rotate(-6deg); }
.system-sheet { left: 47%; top: 22%; background: var(--cobalt); color: var(--white); transform: translateX(calc(var(--board-shift,0) * 1px)) rotate(6deg); }
.sheet-label { display: block; font-size: 10px; }
.sheet-title { display: block; font-size: clamp(30px,3.5vw,52px); font-weight: 700; line-height: 1.06; letter-spacing: -.025em; margin-top: 28px; }
.sheet-icon { position: absolute; right: 28px; bottom: 28px; }
.system-lines { position: absolute; bottom: 28px; left: 28px; right: 28px; display: flex; gap: 12px; }
.system-lines i { display: block; flex: 1; height: 3px; background: white; }

/* A native rail of real references, not invented case studies. */
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 60px; margin-bottom: 44px; }
.section-heading .eyebrow { margin-bottom: 22px; }
.section-copy { max-width: 385px; font-size: 17px; line-height: 1.6; }
.rail-controls { display: flex; gap: 10px; }
.icon-button { display: grid; place-items: center; min-width: 48px; min-height: 48px; border-radius: 10px; border: 1px solid var(--line); background: var(--white); }
.icon-button:hover { border-color: var(--carbon); }
.icon-button:disabled { opacity: .4; cursor: default; }
.client-rail { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; overscroll-behavior-x: contain; padding: 3px max(var(--margin),calc((100vw - var(--max)) / 2)) 3px; scroll-padding-left: max(var(--margin),calc((100vw - var(--max)) / 2)); scrollbar-width: none; -ms-overflow-style: none; }
.client-rail::-webkit-scrollbar { display: none; width: 0; height: 0; }
.client-card { position: relative; flex: 0 0 302px; min-height: 300px; padding: 28px; background: var(--white); border-radius: 24px; scroll-snap-align: start; display: flex; flex-direction: column; }
.client-card .mono { color: var(--secondary); }
.client-card h3 { font-size: 24px; line-height: 1.25; letter-spacing: -.01em; font-weight: 500; margin-top: 24px; position: relative; z-index: 1; }
/* Equal uncropped square canvases reproduce the presentation's relative mark sizes. */
.client-card > img { width: 160px; height: 160px; flex: 0 0 160px; object-fit: contain; object-position: center; margin: auto auto 0; filter: grayscale(1); opacity: .62; mix-blend-mode: multiply; }

/* Connected capabilities live in one shared reading surface. */
.practice { padding-top: 20px; }
.service-panel { padding: 8px 40px; background: var(--white); border-radius: 32px; }
[data-expanding-surface] { width: var(--section-width,100%); margin-inline: auto; }
.perspective-track { width: 100%; }
.service + .service { border-top: 1px solid var(--line); }
.service summary { display: grid; grid-template-columns: 60px 1.5fr 1fr 24px; align-items: center; gap: 24px; padding: 32px 0; cursor: pointer; list-style: none; }
.service summary::-webkit-details-marker { display: none; }
.service summary::marker { content: ''; }
.service-number { color: var(--cobalt); }
.service h3 { font-size: 27px; line-height: 1.2; letter-spacing: -.01em; font-weight: 500; }
.service-value { color: var(--secondary); font-size: 13px; justify-self: end; }
.disclosure-icon { display: block; width: 24px; height: 24px; }
.minus-icon, .service[open] .plus-icon { display: none; }
.service[open] .minus-icon { display: block; }
.service summary:hover h3 { color: var(--cobalt); }
.service-body { padding: 0 48px 36px 84px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px 60px; }
.service-body p { font-size: 17px; max-width: 510px; }
.service-body ul { font-size: 14px; }
.service-body li { border-bottom: 1px solid var(--line); padding-block: 7px; }
.service-body .text-link { justify-self: start; grid-column: 1 / -1; font-size: 13px; }
.service-link-label { display: inline-block; }
.motion-enabled .service-link-label { transition: transform 240ms var(--shift); }
.service-body .text-link:hover .service-link-label,
.service-body .text-link:hover .icon,
.service-body .text-link:focus-visible .service-link-label,
.service-body .text-link:focus-visible .icon { transform: translateY(-3px); }

/* V4's closing chapters meet the gallery directly, without an empty transition strip. */
.dark-perspective { background: var(--carbon); color: var(--white); padding-block: 100px 105px; border-radius: 0; }
.dark-perspective h2 { margin: 0 0 45px; font-size: clamp(44px,5.5vw,80px); line-height: 1.06; letter-spacing: -.025em; }
.dark-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; margin-bottom: 45px; align-items: start; }
.dark-copy .editorial { font-size: clamp(30px,3.1vw,44px); line-height: 1.18; }
.dark-copy > p:last-child { font-size: 18px; max-width: 510px; line-height: 1.65; }
.dark-perspective a:focus-visible { outline-color: var(--white); }
.dark-perspective .button { gap: 40px; padding: 18px 22px; min-height: 56px; font-size: 15px; }

.contact { padding-block: 104px 96px; }
.contact-main { display: grid; grid-template-columns: 1.25fr 1fr; gap: 70px; align-items: end; }
.contact h2 { font-size: clamp(48px,5.2vw,76px); line-height: 1.06; letter-spacing: -.025em; }
.contact-copy > p { font-size: 18px; line-height: 1.6; margin-bottom: 30px; }
.contact-email { display: inline-flex; align-items: center; gap: 24px; font-size: clamp(23px,2.2vw,33px); line-height: 1.4; letter-spacing: -.02em; padding-bottom: 7px; border-bottom: 1px solid var(--carbon); }
.contact-baseline { display: flex; justify-content: flex-end; color: var(--secondary); margin-top: 65px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 10px; }
.site-footer { background: var(--white); padding-top: 40px; }
.footer-main { display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); align-items: center; gap: 45px; padding-bottom: 48px; }
.footer-brand { width: 202px; margin-left: -10px; }
.footer-location { justify-self: center; text-align: center; }
.footer-location address { font-size: 13px; font-style: normal; line-height: 1.65; }
.back-top { display: grid; place-items: center; justify-self: end; width: 44px; height: 44px; color: var(--carbon); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line); min-height: 72px; font-size: 10px; color: var(--secondary); }
.legal-name { max-width: 380px; text-align: center; font-size: 9px; }
.footer-bottom a { padding-block: 5px; }
.motion-enabled .text-link .icon, .motion-enabled .button .icon, .motion-enabled .nav-contact .icon { transition: transform 240ms var(--shift); }
.motion-enabled .button, .motion-enabled .nav-contact { transition: background-color 180ms ease, color 180ms ease; }
.motion-enabled .icon-button { transition: border-color 120ms; }

@media (min-width: 1700px) {
  :root { --margin: 80px; }
}
@media (max-width: 1190px) {
  .header-inner { gap: 24px; }
  #primary-nav { gap: 24px; }
  .hero-intro { gap: 48px; }
  .hero-copy { max-width: 340px; }
  .sheet-title { font-size: 38px; }
  .service summary { grid-template-columns: 35px 1.5fr .8fr 24px; gap: 18px; }
  .service h3 { font-size: 24px; }
  .service-body { padding-left: 53px; padding-right: 0; gap: 24px 30px; }
  .dark-copy, .contact-main { gap: 48px; }
}
@media (min-width: 768px) and (max-width: 1023px) {
  :root { --margin: 32px; }
  .nav-contact { margin-left: 0; }
  .hero-intro { grid-template-columns: 1.3fr 1fr; gap: 32px; padding-top: 55px; }
  h1 { font-size: 8.6vw; }
  .hero-copy p { font-size: 17px; }
  .hero-copy .button { gap: 16px; padding-inline: 18px; font-size: 13px; }
  .frame-track { height: 400px; }
  .idea-sheet, .system-sheet { width: 38%; padding: 24px; }
  .idea-sheet { left: 13%; }
  .system-sheet { left: 47%; }
  .sheet-title { font-size: 35px; }
  .section-heading { gap: 36px; }
  .section-copy { max-width: 320px; font-size: 16px; }
  .service-value { display: none; }
  .service summary { grid-template-columns: 35px 1fr 24px; }
  .dark-copy { gap: 32px; }
  .contact h2 { font-size: 5.4vw; }
  .contact-email { font-size: 25px; }
  .footer-main { gap: 30px; }
}
@media (max-width: 767px) {
  :root { --margin: 20px; }
  html { scroll-padding-top: 96px; }
  body { font-size: 17px; line-height: 1.53; }
  h2 { font-size: 30px; line-height: 1.2; }
  .section-space { padding-block: 64px; }
  .header-inner { min-height: 86px; justify-content: space-between; flex-wrap: wrap; gap: 0; }
  .brand { width: 190px; }
  .js .menu-toggle { display: flex; align-items: center; gap: 13px; background: none; border: 0; padding: 12px 0 12px 14px; min-height: 44px; font-size: 13px; }
  #primary-nav { display: flex; flex-wrap: wrap; gap: 12px 20px; width: 100%; font-size: 13px; padding-block: 12px; }
  .js #primary-nav { display: none; position: absolute; top: 85px; left: 0; right: 0; height: calc(100dvh - 85px); overflow-y: auto; padding: 32px 20px; background: white; border-top: 1px solid var(--line); align-content: start; flex-direction: column; align-items: stretch; gap: 8px; }
  .js #primary-nav.is-open { display: flex; }
  .js #primary-nav a { display: block; font-size: 30px; letter-spacing: -.02em; padding-block: 18px; }
  .js #primary-nav .nav-contact { display: flex; margin: 24px 0 0; justify-content: space-between; font-size: 22px; color: var(--cobalt); }
  .hero { padding-top: 28px; }
  .hero-intro { display: block; padding: 40px 0 32px; }
  h1 { font-size: clamp(48px,12.8vw,84px); line-height: 1.04; letter-spacing: -.03em; }
  .hero-copy { margin-top: 30px; max-width: 500px; padding: 0; }
  .hero-copy p { font-size: 17px; line-height: 1.53; }
  .hero-copy .button { margin-top: 24px; }
  .button { padding: 14px 18px; font-size: 14px; }
  .frame-track { height: 330px; }
  .expanding-frame { border-radius: 20px; }
  .frame-caption, .frame-bottom { left: 20px; right: 20px; font-size: 9px; letter-spacing: .015em; }
  .frame-caption { top: 20px; }
  .frame-caption span:last-child { max-width: 50%; text-align: right; }
  .frame-bottom { bottom: 18px; }
  .idea-sheet, .system-sheet { width: 49%; height: 57%; padding: 17px; border-radius: 16px; }
  .idea-sheet { left: 6%; top: 21%; }
  .system-sheet { left: 44%; top: 25%; }
  .sheet-label { font-size: 8px; letter-spacing: 0; }
  .sheet-title { font-size: clamp(24px,6.2vw,38px); margin-top: 22px; }
  .sheet-icon { width: 20px; height: 20px; right: 17px; bottom: 17px; }
  .system-lines { left: 17px; right: 17px; bottom: 19px; gap: 8px; }
  .system-lines i { height: 2px; }
  .section-heading { align-items: start; gap: 24px; margin-bottom: 30px; }
  .section-heading .eyebrow { font-size: 11px; margin-bottom: 20px; }
  .experience .section-heading { flex-wrap: wrap; }
  .rail-controls { margin-left: auto; }
  .icon-button { width: 44px; height: 44px; min-width: 44px; min-height: 44px; }
  .client-rail { gap: 16px; padding-inline: 20px; scroll-padding-left: 20px; }
  .client-card { flex-basis: min(280px,80vw); min-height: 300px; padding: 24px; border-radius: 16px; }
  .client-card h3 { font-size: 22px; }
  .practice { padding-top: 8px; }
  .practice .section-heading { display: block; }
  .section-copy { margin-top: 24px; max-width: none; font-size: 17px; }
  .service-panel { padding: 0 20px; border-radius: 20px; }
  .service summary { grid-template-columns: 22px 1fr 24px; padding-block: 25px; gap: 12px; }
  .service h3 { font-size: 22px; line-height: 1.27; }
  .service-number { font-size: 10px; }
  .service-value { display: none; }
  .service-body { display: block; padding: 0 0 26px 0; }
  .service-body p { font-size: 16px; line-height: 1.6; }
  .service-body ul { margin-top: 20px; font-size: 13px; }
  .service-body .text-link { margin-top: 20px; font-size: 12px; }
  .dark-perspective { padding-block: 60px 64px; }
  .dark-perspective h2 { font-size: clamp(36px,9.4vw,52px); margin-bottom: 35px; }
  .dark-copy { display: block; margin-bottom: 30px; }
  .dark-copy .editorial { font-size: 30px; margin-bottom: 28px; }
  .dark-copy > p:last-child { font-size: 17px; }
  .contact { padding-block: 64px; }
  .contact-main { display: block; }
  .contact h2 { font-size: clamp(40px,10vw,62px); }
  .contact-copy { margin-top: 32px; }
  .contact-copy > p { font-size: 17px; margin-bottom: 27px; }
  .contact-email { font-size: 25px; gap: 20px; }
  .contact-baseline { margin-top: 40px; font-size: 9px; }
  .footer-main { grid-template-columns: 1fr auto; gap: 24px; padding-bottom: 34px; }
  .footer-main > div:first-child { grid-column: 1; grid-row: 1; }
  .footer-location { grid-column: 1 / -1; grid-row: 2; width: 100%; }
  .footer-location address { font-size: 11px; }
  .back-top { grid-column: 2; grid-row: 1; }
  .footer-bottom { flex-wrap: wrap; justify-content: space-between; padding-block: 20px; gap: 14px; font-size: 10px; }
  .legal-name { order: 3; width: 100%; max-width: none; text-align: left; font-size: 8px; line-height: 1.6; }
}
@media (prefers-reduced-motion: reduce) {
  html:not([data-motion-preview="full"]) { scroll-behavior: auto; }
  html:not([data-motion-preview="full"]) *, html:not([data-motion-preview="full"]) *::before, html:not([data-motion-preview="full"]) *::after { animation: none !important; transition: none !important; }
  html:not([data-motion-preview="full"]) .expanding-frame { width: 100% !important; }
  html:not([data-motion-preview="full"]) [data-expanding-surface] { width: 100% !important; }
}
@media print {
  body { background: white; color: black; }
  .site-header, .frame-track, .rail-controls { display: none; }
  .wrap { width: 100%; }
  .section-space { padding-block: 24px; }
  .client-rail { overflow: visible; flex-wrap: wrap; padding: 0; }
  .client-card { flex-basis: 30%; min-height: 180px; }
  .dark-perspective { background: white; color: black; }
  [data-expanding-surface] { width: 100%; }
  .service-panel { padding: 0; }
}