:root {
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #151617;
  background: #f4f4f0;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --paper: #f4f4f0;
  --ink: #151617;
  --muted: #6d706d;
  --line: rgba(21, 22, 23, 0.14);
  --shell: min(1180px, calc(100vw - 64px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, a { font: inherit; }
button { border: 0; }
button:focus-visible, a:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
::selection { background: #151617; color: #fff; }

.shell { width: var(--shell); margin-inline: auto; }
.page { min-height: 100vh; overflow: hidden; }
.section-space { padding-top: 130px; padding-bottom: 130px; }

.site-header,
.color-header {
  height: 98px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -0.01em;
  cursor: pointer;
}

.brand-mark { width: 25px; height: 25px; position: relative; display: inline-block; }
.brand-mark span { position: absolute; width: 17px; height: 17px; border-radius: 50%; border: 1.5px solid currentColor; }
.brand-mark span:first-child { left: 0; top: 1px; }
.brand-mark span:last-child { right: 0; bottom: 1px; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links button,
.back-link {
  background: transparent;
  color: #424442;
  padding: 8px 0;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 0.04em;
  transition: color 180ms ease;
}
.nav-links button:hover, .back-link:hover { color: #000; }
.menu-button { display: none; justify-self: end; background: transparent; cursor: pointer; color: inherit; }
.mobile-menu { display: none; }

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: 80px;
  padding-top: 68px;
  padding-bottom: 90px;
}

.hero-copy { max-width: 560px; padding-top: 10px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #686b67;
  margin-bottom: 34px;
}

.hero h1,
.color-intro h1 {
  margin: 0;
  font-size: clamp(58px, 7.2vw, 104px);
  line-height: 0.88;
  letter-spacing: -0.073em;
  font-weight: 560;
}
.hero h1 em,
.color-intro h1 em {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}
.hero-copy > p {
  max-width: 470px;
  margin: 38px 0 34px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 0 0 7px;
  background: transparent;
  border-bottom: 1px solid #222;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
}
.text-link svg { transition: transform 180ms ease; }
.text-link:hover svg { transform: translateX(4px); }

.hero-art {
  position: relative;
  height: 535px;
  display: flex;
  justify-content: center;
  align-items: center;
  isolation: isolate;
}
.hero-art::before {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(0,0,0,.07);
  border-radius: 50%;
  z-index: -1;
}
.art-card {
  position: absolute;
  width: 280px;
  height: 388px;
  border-radius: 4px;
  box-shadow: 0 28px 80px rgba(32, 40, 34, 0.14);
  overflow: hidden;
  transition: transform 500ms cubic-bezier(.2,.8,.2,1);
}
.art-card--blue { background: #1d4ed8; transform: rotate(-9deg) translate(-83px, 12px); z-index: 2; }
.art-card--green { background: #177451; transform: rotate(9deg) translate(84px, -18px); z-index: 1; }
.hero-art:hover .art-card--blue { transform: rotate(-12deg) translate(-110px, 9px); }
.hero-art:hover .art-card--green { transform: rotate(12deg) translate(112px, -22px); }
.art-card span {
  position: absolute; left: 20px; bottom: 18px; color: rgba(255,255,255,.78); font-size: 10px; letter-spacing: .14em;
}
.art-disc { position: absolute; width: 145px; height: 145px; border-radius: 50%; background: rgba(255,255,255,.92); top: 98px; left: 68px; }
.art-orbit { position: absolute; width: 210px; height: 210px; border-radius: 50%; border: 1px solid rgba(255,255,255,.32); top: 66px; left: 35px; }
.art-card--green .art-disc { background: #dff6e8; }
.art-card--green .art-orbit { width: 170px; height: 240px; border-radius: 50%; transform: rotate(35deg); left: 54px; top: 52px; }
.art-caption { position: absolute; right: 4px; bottom: 0; font-size: 9px; letter-spacing: .14em; color: #8a8d88; transform: rotate(-90deg) translateX(100%); transform-origin: bottom right; }

.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  border-top: 1px solid var(--line);
  padding-top: 23px;
  margin-bottom: 48px;
}
.section-heading > span { font-size: 11px; text-transform: uppercase; letter-spacing: .13em; color: #5f625f; }
.section-heading p { margin: 0; max-width: 500px; justify-self: end; color: var(--muted); font-size: 14px; line-height: 1.55; }
.study-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.study-card { cursor: pointer; }
.study-visual {
  height: 470px;
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  transition: transform 250ms ease, box-shadow 250ms ease;
}
.study-card:hover .study-visual { transform: translateY(-4px); box-shadow: 0 22px 60px rgba(20,20,20,.10); }
.study-card--blue .study-visual { background: #dfe8fa; color: #1645c8; }
.study-card--green .study-visual { background: #dcefe5; color: #14704d; }
.study-number { position: absolute; top: 24px; left: 25px; font-size: 10px; letter-spacing: .13em; }
.study-icon { position: absolute; top: 22px; right: 24px; }
.study-sphere { position: absolute; width: 220px; height: 220px; border-radius: 50%; left: 50%; top: 52%; transform: translate(-50%,-50%); }
.study-card--blue .study-sphere { background: #1c4ed8; box-shadow: inset -30px -20px 70px rgba(0,0,0,.16), 0 25px 45px rgba(20,69,194,.19); }
.study-card--green .study-sphere { background: #177451; box-shadow: inset -28px -18px 65px rgba(0,0,0,.16), 0 25px 45px rgba(23,116,81,.18); }
.study-line { position: absolute; border: 1px solid currentColor; border-radius: 50%; opacity: .25; left: 50%; top: 52%; transform: translate(-50%, -50%); }
.study-line--one { width: 310px; height: 310px; }
.study-line--two { width: 400px; height: 190px; transform: translate(-50%, -50%) rotate(30deg); }
.study-body { display: flex; justify-content: space-between; align-items: center; padding: 21px 3px 0; }
.study-label { display: block; color: #858984; font-size: 9px; letter-spacing: .13em; margin-bottom: 7px; }
.study-body h3 { margin: 0; font-size: 18px; font-weight: 560; letter-spacing: -.025em; }
.round-link { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; display: grid; place-items: center; cursor: pointer; transition: .2s ease; }
.study-card:hover .round-link { background: #171817; color: white; border-color: #171817; }

.manifesto {
  display: grid;
  grid-template-columns: .35fr 1.1fr .65fr;
  gap: 60px;
  align-items: start;
  border-top: 1px solid var(--line);
}
.manifesto-index { font-family: Georgia, serif; font-style: italic; font-size: 20px; color: #949792; }
.manifesto-kicker { margin: 0 0 25px; text-transform: uppercase; letter-spacing: .14em; font-size: 9px; color: #777a76; }
.manifesto h2 { margin: 0; font-family: Georgia, serif; font-weight: 400; font-size: clamp(38px, 4.1vw, 60px); line-height: 1.05; letter-spacing: -.045em; }
.manifesto-copy > p { margin: 42px 0 30px; color: var(--muted); font-size: 14px; line-height: 1.65; }
.manifesto-points { display: flex; flex-wrap: wrap; gap: 17px; }
.manifesto-points span { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; }

.footer { min-height: 125px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid var(--line); color: #656864; }
.footer p { font-size: 11px; margin: 0; }
.footer > span { justify-self: end; font-size: 11px; }
.footer .brand { color: #3c3e3b; }

.color-page { background: #f3f3ef; }
.color-header .brand { grid-column: 1; }
.back-link { grid-column: 3; justify-self: end; display: flex; align-items: center; gap: 8px; }
.color-hero { min-height: 690px; display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 90px; padding: 70px 0 90px; }
.color-intro { max-width: 610px; }
.color-eyebrow { display: block; margin-bottom: 30px; color: var(--accent); font-size: 10px; letter-spacing: .16em; }
.color-intro h1 { font-size: clamp(56px, 6.6vw, 96px); }
.color-intro > p { max-width: 520px; color: #6e716d; line-height: 1.66; font-size: 15px; margin: 40px 0 34px; }
.color-meta { display: flex; flex-wrap: wrap; gap: 24px; }
.color-meta span { display: inline-flex; align-items: center; gap: 7px; color: #555955; font-size: 10px; letter-spacing: .04em; }
.color-meta span:first-child { color: var(--accent); }
.color-composition {
  height: 520px;
  position: relative;
  background: var(--accent-soft);
  overflow: hidden;
  isolation: isolate;
}
.composition-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.25) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.25) 1px, transparent 1px); background-size: 52px 52px; opacity: .4; z-index: -1; }
.composition-orb { position: absolute; width: 245px; height: 245px; border-radius: 50%; background: var(--accent); color: var(--accent-text); left: 50%; top: 50%; transform: translate(-50%, -50%); display: grid; place-items: center; box-shadow: inset -40px -25px 80px rgba(0,0,0,.14), 0 35px 75px color-mix(in srgb, var(--accent) 22%, transparent); }
.composition-ring { position: absolute; width: 350px; height: 350px; border: 1px solid color-mix(in srgb, var(--accent) 32%, transparent); border-radius: 50%; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.color-page--green .composition-ring { width: 300px; height: 390px; transform: translate(-50%, -50%) rotate(28deg); }
.composition-label, .composition-code { position: absolute; font-size: 9px; letter-spacing: .13em; color: color-mix(in srgb, var(--accent) 75%, #000); }
.composition-label { top: 22px; left: 24px; }
.composition-code { bottom: 22px; right: 24px; }

.palette-section { border-top: 1px solid var(--line); }
.palette-head { display: grid; grid-template-columns: .6fr 1.4fr; margin-bottom: 60px; }
.palette-head > span { font-size: 10px; text-transform: uppercase; letter-spacing: .14em; color: #777a75; }
.palette-head h2 { margin: 0; font-family: Georgia, serif; font-weight: 400; font-size: clamp(40px, 4.7vw, 64px); line-height: 1.02; letter-spacing: -.045em; }
.palette-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.swatch-color { height: 255px; padding: 15px; color: rgba(255,255,255,.75); }
.swatch-color span { font-size: 9px; letter-spacing: .12em; mix-blend-mode: difference; }
.swatch-info { display: flex; justify-content: space-between; padding: 13px 2px 0; font-size: 10px; }
.swatch-info strong { font-weight: 600; }
.swatch-info span { color: #888b86; }

.quote-section { border-top: 1px solid var(--line); display: grid; grid-template-columns: .35fr 1.45fr .2fr; align-items: end; gap: 30px; }
.quote-mark { font-family: Georgia, serif; font-size: 72px; color: var(--accent); line-height: .6; }
.quote-section blockquote { margin: 0; font-family: Georgia, serif; font-size: clamp(38px, 5vw, 68px); line-height: 1.05; letter-spacing: -.04em; max-width: 850px; }
.quote-rule { height: 95px; border-right: 1px solid var(--line); }
.next-study { border-top: 1px solid var(--line); padding: 30px 0 65px; }
.next-study > span { display: block; text-transform: uppercase; letter-spacing: .14em; font-size: 9px; color: #888b86; margin-bottom: 28px; }
.next-study button { width: 100%; display: flex; align-items: center; justify-content: space-between; background: transparent; padding: 0; cursor: pointer; color: inherit; }
.next-study strong { font-size: clamp(36px, 5.7vw, 72px); font-weight: 520; letter-spacing: -.055em; }
.next-study svg { transition: transform 180ms ease; }
.next-study button:hover svg { transform: translateX(6px); }

.reveal { animation: reveal .7s cubic-bezier(.2,.8,.2,1) both; }
@keyframes reveal { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 920px) {
  :root { --shell: min(100% - 40px, 760px); }
  .nav-links { display: none; }
  .site-header { grid-template-columns: 1fr 1fr; }
  .menu-button { display: grid; }
  .mobile-menu { display: flex; position: absolute; top: 78px; right: 0; width: 210px; padding: 15px; flex-direction: column; gap: 4px; background: #fff; box-shadow: 0 20px 50px rgba(0,0,0,.1); }
  .mobile-menu button { text-align: left; padding: 11px 8px; background: transparent; cursor: pointer; color: #383a38; font-size: 12px; }
  .hero, .color-hero { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 80px; }
  .hero-art { height: 500px; }
  .study-visual { height: 390px; }
  .manifesto { grid-template-columns: .2fr 1fr; }
  .manifesto-copy { grid-column: 2; }
  .color-composition { height: 480px; }
  .palette-grid { grid-template-columns: 1fr 1fr; gap: 30px 12px; }
  .quote-section { grid-template-columns: .2fr 1.8fr; }
  .quote-rule { display: none; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100vw - 32px); }
  .section-space { padding-top: 86px; padding-bottom: 86px; }
  .site-header, .color-header { height: 78px; }
  .hero { min-height: auto; padding: 64px 0 78px; gap: 52px; }
  .hero h1, .color-intro h1 { font-size: 54px; }
  .hero-copy > p { font-size: 15px; margin-top: 28px; }
  .hero-art { height: 390px; }
  .hero-art::before { width: 350px; height: 350px; }
  .art-card { width: 190px; height: 278px; }
  .art-card--blue { transform: rotate(-8deg) translate(-54px, 10px); }
  .art-card--green { transform: rotate(8deg) translate(56px, -10px); }
  .hero-art:hover .art-card--blue { transform: rotate(-8deg) translate(-54px, 10px); }
  .hero-art:hover .art-card--green { transform: rotate(8deg) translate(56px, -10px); }
  .art-disc { width: 102px; height: 102px; top: 72px; left: 44px; }
  .art-orbit { width: 145px; height: 145px; top: 50px; left: 22px; }
  .art-card--green .art-orbit { width: 118px; height: 180px; left: 35px; top: 37px; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .section-heading p { justify-self: start; }
  .study-grid { grid-template-columns: 1fr; gap: 52px; }
  .study-visual { height: 360px; }
  .manifesto { grid-template-columns: 1fr; gap: 18px; }
  .manifesto-copy { grid-column: 1; }
  .manifesto h2 { font-size: 42px; }
  .footer { grid-template-columns: 1fr auto; padding: 30px 0; }
  .footer p { display: none; }
  .color-header { grid-template-columns: 1fr auto; }
  .back-link { grid-column: 2; }
  .color-hero { min-height: auto; padding: 60px 0 80px; gap: 50px; }
  .color-intro > p { margin-top: 28px; }
  .color-composition { height: 370px; }
  .composition-orb { width: 185px; height: 185px; }
  .composition-ring { width: 260px; height: 260px; }
  .color-page--green .composition-ring { width: 220px; height: 290px; }
  .palette-head { grid-template-columns: 1fr; gap: 22px; margin-bottom: 42px; }
  .palette-head h2 { font-size: 44px; }
  .palette-grid { grid-template-columns: 1fr 1fr; }
  .swatch-color { height: 180px; }
  .swatch-info { flex-direction: column; gap: 4px; }
  .quote-section { grid-template-columns: 1fr; gap: 25px; }
  .quote-mark { font-size: 56px; }
  .quote-section blockquote { font-size: 42px; }
  .next-study strong { font-size: 39px; }
}

/* Static deployment adjustments */
a.brand { text-decoration: none; }
.nav-links a,
.back-link {
  text-decoration: none;
}
.nav-links a {
  color: #424442;
  padding: 8px 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  transition: color 180ms ease;
}
.nav-links a:hover { color: #000; }
.mobile-menu { display: none; }
.mobile-menu.is-open { display: flex; }
.mobile-menu a { text-decoration: none; color: #383a38; }
a.study-card { text-decoration: none; color: inherit; }
a.round-link { text-decoration: none; color: inherit; }
.next-study a { width: 100%; display: flex; align-items: center; justify-content: space-between; background: transparent; padding: 0; cursor: pointer; color: inherit; text-decoration: none; }
.next-study a:hover svg { transform: translateX(6px); }