@font-face {
  font-family: "Instrument Sans";
  src: url("assets/fonts/instrument-sans-variable.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "Instrument Serif";
  src: url("assets/fonts/instrument-serif-regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --ink: #000;
  --paper: #fff;
  --silver: #a8a8a8;
  --mist: #d9d9d9;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Instrument Sans", Arial, sans-serif; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-underline-offset: 5px; text-decoration-thickness: 1px; }
a:focus-visible, button:focus-visible { outline: 2px solid currentColor; outline-offset: 6px; }
button { font: inherit; cursor: pointer; border-radius: 0; }
button:disabled { cursor: default; opacity: .45; }
figure, h1, h2, h3, p, dl, dd { margin: 0; }
figure { min-width: 0; }
p { font-size: 20px; line-height: 1.55; }
h1, h2 { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; letter-spacing: -.025em; }
h1 { font-size: clamp(44px, 6.7vw, 96px); line-height: 1.02; }
h2 { font-size: clamp(44px, 4.8vw, 70px); line-height: 1.04; }
h3 { font-size: 22px; font-weight: 500; letter-spacing: -.025em; line-height: 1.3; }
.shell { width: calc(100% - clamp(40px, 8vw, 128px)); max-width: 1440px; margin-inline: auto; }
.section-space { margin-top: clamp(88px, 10vw, 152px); }
.skip-link { position: absolute; z-index: 2; inset: 12px auto auto 20px; padding: 14px 20px; background: var(--ink); color: var(--paper); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 36px; }
.site-header > a:last-child { padding-block: 12px; font-size: 20px; }
.header-logo { width: clamp(148px, 24vw, 264px); }
.header-logo img { width: 100%; }

.identity-preview { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: clamp(32px, 5vw, 80px); padding: clamp(32px, 5.5vw, 88px); min-height: 650px; background: var(--ink); color: var(--paper); }
.identity-preview[data-theme="light"] { background: var(--paper); color: var(--ink); box-shadow: inset 0 0 0 1px var(--mist); }
.hero-symbol { display: flex; justify-content: center; }
.hero-symbol img { width: 100%; max-width: 500px; }
.hero-copy { min-width: 0; }
.hero-copy p { max-width: 380px; margin-top: 28px; }
.theme-picker { display: flex; gap: 8px; margin-top: 40px; }
.theme-picker button, .motion-controls button { min-width: 88px; min-height: 48px; padding: 11px 20px; font-size: 18px; border: 1px solid currentColor; color: inherit; background: transparent; }
.theme-picker button[aria-pressed="true"] { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.identity-preview[data-theme="light"] .theme-picker button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.text-download { display: inline-flex; align-items: center; min-height: 44px; font-size: 18px; }
.primary-downloads { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 16px; }
.section-intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: end; margin-bottom: 48px; }
.section-intro > p { max-width: 440px; }

.lockup-canvas { display: flex; justify-content: center; align-items: center; }
.horizontal-large .lockup-canvas { min-height: 280px; padding: 40px 5%; }
.horizontal-large img { width: 100%; max-width: 1000px; }
.horizontal-large figcaption, .lockup-compositions figcaption { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.horizontal-large figcaption { padding-top: 20px; border-top: 1px solid var(--mist); }
.lockup-compositions { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 6vw, 88px); margin-top: 64px; align-items: start; }
.stacked-dark { background: var(--ink); color: var(--paper); padding: 40px; }
.stacked-dark .lockup-canvas { min-height: 470px; }
.stacked-dark img { width: 70%; max-width: 310px; }
.compact-lockups { display: grid; gap: 48px; padding-top: 64px; }
.stacked-light .lockup-canvas { min-height: 270px; padding-bottom: 32px; }
.stacked-light img { width: 42%; max-width: 150px; }
.horizontal-dark .lockup-canvas { min-height: 160px; background: var(--ink); padding: 32px; }
.horizontal-dark img { width: 100%; max-width: 320px; }
.horizontal-dark figcaption { margin-top: 14px; }

.applications-wide { display: grid; grid-template-columns: 2.1fr 1fr; align-items: end; gap: clamp(32px, 5vw, 72px); }
.application > img { width: 100%; }
.application figcaption { display: flex; justify-content: space-between; align-items: start; gap: 20px; margin-top: 24px; }
.application figcaption p { font-size: 18px; margin-top: 8px; }
.application .text-download { flex: none; }
.avatar { max-width: 320px; justify-self: end; }
.avatar figcaption { display: block; }
.avatar .text-download { margin-top: 8px; }
.applications-editorial { display: grid; grid-template-columns: .85fr 1.15fr; align-items: start; gap: clamp(48px, 9vw, 128px); padding-inline: 6%; margin-top: 96px; }
.research-cover > img, .statement-card > img { border: 1px solid var(--mist); }
.statement-card { margin-top: 96px; }
.applications-editorial figcaption { display: block; }
.applications-editorial .text-download { margin-top: 8px; }

.motion-study { color: var(--paper); background: var(--ink); padding-block: clamp(64px, 7vw, 112px); }
.motion-layout { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 64px; }
.motion-copy > p { max-width: 400px; margin-top: 28px; }
.motion-controls { display: flex; gap: 12px; margin-top: 32px; }
.motion-copy .motion-status { margin-top: 16px; font-size: 18px; color: var(--silver); }
.motion-stage { width: 100%; max-width: 540px; justify-self: end; }
#motion-symbol { width: 100%; }

.guidelines { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; }
.guidelines dl { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 48px; }
.guidelines dt { margin-bottom: 12px; font-size: 24px; font-weight: 500; letter-spacing: -.025em; }
.guidelines dd { font-size: 18px; line-height: 1.6; }
.minimum-sample { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.minimum-sample img { width: 45px; height: 45px; }
.minimum-sample > span { font-size: 20px; letter-spacing: -.04em; }
.kit-footer { padding-block: 64px 80px; border-top: 1px solid var(--mist); }
.kit-footer p { max-width: 500px; margin-top: 24px; }
.kit-download { display: inline-flex; justify-content: center; align-items: center; padding: 18px 28px; min-height: 60px; margin-top: 32px; background: var(--ink); color: var(--paper); font-size: 20px; text-decoration: none; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px 32px; margin-top: 40px; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 20px; }

@media (max-width: 1100px) {
  .identity-preview { min-height: 560px; gap: 32px; }
  .section-intro { gap: 40px; }
  .stacked-dark { padding: 28px; }
  .stacked-dark .lockup-canvas { min-height: 390px; }
  .application figcaption { display: block; }
  .application .text-download { margin-top: 8px; }
  .applications-editorial { padding-inline: 0; }
  .guidelines { grid-template-columns: .7fr 1.3fr; gap: 40px; }
}

@media (max-width: 760px) {
  .site-header { padding-block: 24px; }
  .identity-preview { grid-template-columns: 1fr; min-height: 0; padding: 32px; gap: 32px; }
  .hero-symbol img { max-width: 340px; }
  .hero-copy { padding-bottom: 8px; }
  .hero-copy h1 { font-size: clamp(44px, 9vw, 72px); }
  .hero-copy p { max-width: 440px; margin-top: 24px; }
  .theme-picker { margin-top: 28px; }
  .section-intro { grid-template-columns: 1fr; gap: 24px; margin-bottom: 32px; }
  .section-intro p { max-width: 500px; }
  .horizontal-large .lockup-canvas { min-height: 180px; padding: 32px 0; }
  .lockup-compositions { gap: 32px; grid-template-columns: 1fr; margin-top: 40px; }
  .stacked-dark .lockup-canvas { min-height: 390px; }
  .stacked-dark img { max-width: 250px; }
  .compact-lockups { grid-template-columns: 1fr 1fr; align-items: end; gap: 24px; padding-top: 0; }
  .stacked-light .lockup-canvas { min-height: 200px; }
  .stacked-light img { width: 62%; }
  .horizontal-dark .lockup-canvas { min-height: 140px; padding: 20px; }
  .lockup-compositions figcaption { display: block; }
  .lockup-compositions h3 { font-size: 20px; }
  .applications-wide { grid-template-columns: 1.4fr 1fr; align-items: start; gap: 24px; }
  .applications-editorial { gap: 32px; margin-top: 56px; }
  .statement-card { margin-top: 64px; }
  .motion-layout { grid-template-columns: 1fr; gap: 32px; }
  .motion-stage { max-width: 420px; justify-self: center; }
  .guidelines { grid-template-columns: 1fr; gap: 40px; }
  .guidelines dl { gap: 32px; }
  .kit-footer { padding-bottom: 56px; }
}

@media (max-width: 480px) {
  p { font-size: 18px; }
  .site-header { gap: 16px; }
  .site-header > a:last-child { font-size: 18px; }
  .identity-preview { padding: 24px; gap: 24px; }
  .hero-copy h1 { font-size: 44px; }
  .horizontal-large figcaption { display: block; }
  .compact-lockups { grid-template-columns: 1fr; gap: 32px; }
  .stacked-dark { padding: 24px; }
  .stacked-dark .lockup-canvas { min-height: 320px; }
  .stacked-light .lockup-canvas { min-height: 200px; }
  .stacked-light img { width: 42%; max-width: 140px; }
  .horizontal-dark .lockup-canvas { min-height: 140px; padding: 28px; }
  .applications-wide, .applications-editorial { grid-template-columns: 1fr; gap: 48px; }
  .avatar { width: 68%; justify-self: end; }
  .research-cover { width: 82%; }
  .statement-card { width: 94%; margin-top: 0; justify-self: end; }
  .guidelines dl { grid-template-columns: 1fr; }
  .kit-download { width: 100%; padding-inline: 20px; }
  .footer-links { display: grid; gap: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}