:root {
  --paper: #f4f1eb;
  --paper-deep: #e8e4dc;
  --ink: #111418;
  --muted: #656b6d;
  --blue: #315f83;
  --blue-deep: #17354e;
  --ice: #c4e6e7;
  --line: rgba(17, 20, 24, 0.18);
  --white: #fbfaf7;
  --max: 1440px;
  --pad: clamp(1.25rem, 4vw, 4.5rem);
  --section: clamp(6rem, 12vw, 11rem);
  --display: "Helvetica Neue", "Nimbus Sans L", Arial, sans-serif;
  --body: Inter, Avenir, "Avenir Next", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: clamp(1rem, .95rem + .18vw, 1.125rem);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { color: var(--white); background: var(--blue); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 5px; }

.skip-link {
  position: fixed; left: 1rem; top: 1rem; z-index: 200;
  padding: .65rem 1rem; background: var(--ink); color: var(--paper);
  transform: translateY(-180%); transition: transform .2s ease;
}
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.skip-link:focus { transform: none; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  min-height: 76px; padding: 0 var(--pad); border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, color .35s ease;
}
.site-header.scrolled, .site-header.on-light {
  background: rgba(244, 241, 235, .9); color: var(--ink); border-color: var(--line);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
}
.site-header:not(.scrolled):not(.on-light) { color: var(--white); }
.site-header:not(.scrolled):not(.on-light) .brand-link svg { color: var(--white); }
.brand-link { justify-self: start; display: inline-flex; align-items: center; gap: .7rem; font-family: var(--display); font-size: .78rem; font-weight: 600; letter-spacing: .15em; }
.brand-link svg { width: 35px; height: 22px; color: var(--blue); }
.desktop-nav { display: flex; gap: clamp(1.4rem, 3vw, 3.25rem); font-size: .78rem; letter-spacing: .08em; }
.desktop-nav a, .contact-link { position: relative; padding: .65rem 0; }
.desktop-nav a::after, .contact-link::after, .text-link::after, .platform-links a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: .35rem; height: 1px; background: currentColor;
  transition: right .3s ease;
}
.desktop-nav a:hover::after, .desktop-nav a[aria-current="page"]::after, .contact-link:hover::after, .text-link:hover::after, .platform-links a:hover::after { right: 0; }
.contact-link { justify-self: end; font-size: .78rem; letter-spacing: .08em; }
.menu-toggle { display: none; border: 0; background: none; padding: .75rem 0 .75rem .75rem; cursor: pointer; }
.menu-toggle span { display: block; width: 23px; height: 1px; margin: 6px 0; background: currentColor; transition: transform .25s ease; }
.mobile-menu { display: none; color: var(--ink); }

.hero {
  position: relative; min-height: 100svh; overflow: hidden; color: var(--white);
  display: flex; align-items: flex-end; isolation: isolate;
}
.hero-media, .hero-media::after, .hero-grid { position: absolute; inset: 0; }
.hero-media { z-index: -3; }
.hero-media picture { display: block; width: 100%; height: 100%; }
.hero-media img { height: 100%; object-fit: cover; object-position: center; transform: scale(1.025); animation: hero-settle 2.2s cubic-bezier(.22,.61,.36,1) forwards; }
.hero-media::after { content: ""; background: linear-gradient(180deg, rgba(9,15,20,.06) 25%, rgba(9,15,20,.68) 100%), linear-gradient(90deg, rgba(13,23,30,.18), transparent 65%); }
.hero-grid {
  z-index: -2; opacity: .15;
  background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size: 8vw 8vw; mask-image: linear-gradient(to bottom, transparent 30%, black);
}
.hero-content { width: 100%; max-width: var(--max); margin: 0 auto; padding: 8rem var(--pad) clamp(2.25rem, 5vw, 5rem); }
.hero-brand-lockup { display: none; }
.hero--brand .hero-media::after { background: linear-gradient(180deg, rgba(9,15,20,.02) 45%, rgba(9,15,20,.62) 100%); }
.hero--brand .hero-lockup { display: none; }
.hero--brand .hero-meta { grid-template-columns: 1.45fr 1fr; margin-left: 28%; }
.hero--brand .hero-meta .eyebrow { display: none; }
.hero-lockup { display: grid; grid-template-columns: minmax(160px, 1fr) 3.4fr; align-items: end; gap: clamp(1.5rem, 4vw, 5rem); }
.hero-mark { width: min(100%, 250px); color: var(--white); filter: drop-shadow(0 1px 14px rgba(0,0,0,.15)); }
.hero-mark .signal-arc { stroke-dasharray: 90; stroke-dashoffset: 90; animation: draw-signal 1.8s .7s ease forwards; }
.hero-title { margin: 0; font-family: var(--display); font-size: clamp(4rem, 10.2vw, 10.5rem); font-weight: 450; line-height: .82; letter-spacing: -.055em; white-space: nowrap; }
.hero-meta { display: grid; grid-template-columns: 1fr 1.45fr 1fr; gap: 2rem; align-items: end; margin-top: clamp(2.5rem, 5vw, 5rem); padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.45); }
.eyebrow { margin: 0; color: var(--blue); font-size: .68rem; font-weight: 650; line-height: 1.3; letter-spacing: .26em; text-transform: uppercase; }
.hero .eyebrow { color: var(--ice); }
.hero-intro { max-width: 540px; margin: 0; font-size: clamp(1.1rem, 1.6vw, 1.55rem); line-height: 1.42; }
.hero-entries { display: flex; justify-content: flex-end; gap: 1.4rem; font-size: .7rem; letter-spacing: .17em; }
.hero-entries a { border-bottom: 1px solid rgba(255,255,255,.5); padding-bottom: .25rem; }
.scroll-cue { position: absolute; right: var(--pad); bottom: 1.5rem; width: 1px; height: 52px; background: rgba(255,255,255,.28); overflow: hidden; }
.scroll-cue::after { content: ""; display: block; width: 100%; height: 45%; background: white; animation: scroll-line 2.2s infinite ease-in-out; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { padding-top: var(--section); padding-bottom: var(--section); }
.section-head { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: clamp(2.5rem, 5vw, 5rem); }
.section-title { max-width: 900px; margin: .65rem 0 0; font-family: var(--display); font-size: clamp(2.8rem, 6.2vw, 7rem); font-weight: 430; line-height: .95; letter-spacing: -.045em; }
.section-note { max-width: 270px; margin: 0; color: var(--muted); font-size: .85rem; }
.text-link { position: relative; display: inline-block; padding: .25rem 0 .45rem; font-size: .75rem; font-weight: 600; letter-spacing: .13em; text-transform: uppercase; }
.text-link::after { bottom: .1rem; }
.arrow { margin-left: .5rem; transition: transform .25s ease; }
.text-link:hover .arrow { transform: translateX(5px); }

.projects-stack { display: grid; gap: clamp(5rem, 9vw, 10rem); }
.project-card { display: grid; grid-template-columns: 1.85fr 1fr; gap: clamp(1.5rem, 4vw, 4.5rem); align-items: end; }
.project-card.reverse { grid-template-columns: 1fr 1.85fr; }
.project-card.reverse .project-visual { order: 2; }
.project-visual { position: relative; overflow: hidden; aspect-ratio: 3 / 2; background: var(--paper-deep); }
.project-visual img { height: 100%; object-fit: cover; transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.project-visual:hover img { transform: scale(1.018); }
.project-number { position: absolute; top: 1rem; left: 1rem; color: var(--white); font-size: .65rem; letter-spacing: .16em; text-shadow: 0 1px 10px rgba(0,0,0,.5); }
.project-caption { padding-bottom: .25rem; }
.project-caption h3 { margin: .7rem 0 1rem; font-family: var(--display); font-size: clamp(2rem, 3.7vw, 4.4rem); font-weight: 470; line-height: .98; letter-spacing: -.035em; }
.project-caption p { max-width: 410px; margin: 0 0 1.5rem; color: var(--muted); font-size: 1rem; }
.platform-links { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: .72rem; letter-spacing: .08em; }
.platform-links a { position: relative; padding-bottom: .4rem; }
.platform-links a::after { bottom: .1rem; }

.lab-home { background: var(--blue-deep); color: var(--white); }
.lab-home .eyebrow { color: var(--ice); }
.lab-intro { display: grid; grid-template-columns: 1.55fr .8fr; gap: 3rem; align-items: end; }
.lab-intro .section-title { max-width: 800px; }
.lab-copy { max-width: 420px; margin: 0 0 .8rem; color: rgba(255,255,255,.72); }
.chips { display: flex; flex-wrap: wrap; gap: .55rem; margin: 3rem 0 5rem; }
.chip { padding: .48rem .8rem; border: 1px solid rgba(255,255,255,.25); border-radius: 99px; font-size: .65rem; letter-spacing: .12em; text-transform: uppercase; }
.lab-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.25); }
.lab-card { min-height: 260px; padding: 1.4rem 1.4rem 1.6rem 0; border-right: 1px solid rgba(255,255,255,.25); display: flex; flex-direction: column; justify-content: space-between; }
.lab-card + .lab-card { padding-left: 1.4rem; }
.lab-card:last-child { border-right: 0; }
.status { display: inline-flex; width: fit-content; align-items: center; gap: .45rem; font-size: .63rem; letter-spacing: .12em; text-transform: uppercase; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ice); }
.lab-card h3 { margin: auto 0 .5rem; font-family: var(--display); font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 450; letter-spacing: -.03em; }
.lab-card p { min-height: 4.2em; max-width: 290px; margin: 0; color: rgba(255,255,255,.62); font-size: .82rem; }
.lab-home .text-link { margin-top: 3rem; }

.manifesto { overflow: hidden; }
.manifesto-lines { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3rem, 7.1vw, 8.2rem); font-weight: 400; line-height: .98; letter-spacing: -.05em; }
.manifesto-lines span { display: block; }
.manifesto-lines span:nth-child(2) { margin-left: 8vw; color: var(--blue); font-style: italic; }
.manifesto-lines span:nth-child(3) { margin-left: 2vw; }
.manifesto-footer { display: flex; justify-content: flex-end; margin-top: 4rem; }
.manifesto-footer > div { width: min(100%, 470px); }
.manifesto-footer p { color: var(--muted); }

.signals { border-top: 1px solid var(--line); }
.signal-list { border-top: 1px solid var(--line); }
.signal-item { display: grid; grid-template-columns: 130px 1fr 32px; gap: 2rem; align-items: center; padding: 1.5rem 0; border-bottom: 1px solid var(--line); transition: color .2s ease, padding .25s ease; }
.signal-item:hover { color: var(--blue); padding-left: .5rem; }
.signal-date { color: var(--muted); font-size: .66rem; letter-spacing: .15em; }
.signal-item h3 { margin: 0; font-family: var(--display); font-size: clamp(1.35rem, 2.4vw, 2.4rem); font-weight: 450; letter-spacing: -.025em; }
.signal-arrow { font-size: 1.5rem; text-align: right; }

.site-footer { position: relative; overflow: hidden; padding: 5rem var(--pad) 2rem; color: var(--white); background: #101820; }
.site-footer::before { content: ""; position: absolute; inset: 0; opacity: .1; background-image: url("../images/polar-hero.webp"); background-size: cover; background-position: center 60%; filter: grayscale(1); }
.footer-inner { position: relative; max-width: var(--max); margin: 0 auto; }
.footer-mark { width: min(170px, 30vw); margin-bottom: 4rem; filter: invert(1); opacity: .9; }
.footer-name { margin: 0; font-family: var(--display); font-size: clamp(3.6rem, 10vw, 10rem); line-height: .85; letter-spacing: -.055em; }
.footer-meta { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 2rem; margin-top: 4rem; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.24); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; }
.footer-meta > :last-child { justify-self: end; }
.footer-social { display: flex; justify-content: center; gap: 1.3rem; }
.footer-bottom { position: relative; max-width: var(--max); margin: 4rem auto 0; display: flex; justify-content: space-between; color: rgba(255,255,255,.45); font-size: .65rem; }

/* Inner pages */
.page-hero { padding: clamp(9rem, 18vw, 14rem) var(--pad) clamp(5rem, 10vw, 9rem); border-bottom: 1px solid var(--line); }
.page-hero-inner { max-width: var(--max); margin: 0 auto; }
.page-hero h1 { max-width: 1250px; margin: 1rem 0 2rem; font-family: var(--display); font-size: clamp(4rem, 11vw, 11rem); font-weight: 430; line-height: .84; letter-spacing: -.06em; }
.page-hero .lead { max-width: 700px; margin: 0 0 0 auto; font-size: clamp(1.15rem, 2vw, 1.7rem); line-height: 1.45; }
.index-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 2rem; }
.index-card { grid-column: span 6; margin-bottom: 6rem; }
.index-card:nth-child(3n) { grid-column: 3 / span 8; }
.index-card .project-visual { margin-bottom: 1.5rem; }
.index-card h2 { margin: .7rem 0; font-family: var(--display); font-size: clamp(2rem, 4vw, 4rem); font-weight: 450; letter-spacing: -.04em; }
.index-card p { max-width: 520px; color: var(--muted); }
.index-card.lab-index .project-visual { background: var(--blue-deep); color: var(--white); display: grid; place-items: center; }
.index-card.lab-index .project-visual::before { content: ""; width: 45%; aspect-ratio: 1; border: 1px solid rgba(196,230,231,.35); border-radius: 50%; box-shadow: 0 0 0 40px rgba(196,230,231,.06), 0 0 0 90px rgba(196,230,231,.025); }

.chapter { padding: var(--section) 0; }
.chapter + .chapter { border-top: 1px solid var(--line); }
.chapter-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(300px,.7fr); gap: clamp(2rem, 6vw, 7rem); }
.chapter-image { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.chapter-image img { height: 100%; object-fit: cover; }
.chapter-copy { align-self: center; }
.chapter-copy h2 { margin: .7rem 0 1.5rem; font-family: var(--display); font-size: clamp(3rem, 6vw, 6rem); font-weight: 440; line-height: .92; letter-spacing: -.05em; }
.chapter-copy p { color: var(--muted); }
.chapter-copy .platform-links { margin-top: 2rem; }

.lab-page { background: var(--blue-deep); color: var(--white); }
.lab-page .page-hero { border-color: rgba(255,255,255,.22); }
.lab-page .eyebrow { color: var(--ice); }
.lab-page .lead { color: rgba(255,255,255,.72); }
.experiment-list { border-top: 1px solid rgba(255,255,255,.25); }
.experiment { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(0, 1.4fr) 9rem; gap: 2rem; padding: 2.3rem 0; border-bottom: 1px solid rgba(255,255,255,.25); }
.experiment > :last-child { justify-self: end; }
.experiment h2 { margin: 0; font-family: var(--display); font-size: clamp(1.8rem, 3.4vw, 3.5rem); font-weight: 450; letter-spacing: -.03em; }
.experiment p { margin: .4rem 0 0; color: rgba(255,255,255,.62); }

.about-statement { max-width: 1070px; margin: 0; font-family: var(--display); font-size: clamp(2.1rem, 5vw, 5.2rem); line-height: 1.08; letter-spacing: -.04em; }
.about-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; margin-top: 7rem; }
.about-columns p { max-width: 540px; }
.about-principles { margin-top: var(--section); border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 80px 1fr 1fr; gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.principle h3 { margin: 0; font-family: var(--display); font-size: clamp(1.7rem, 3vw, 3rem); font-weight: 450; }
.principle p { margin: .4rem 0 0; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(3rem, 10vw, 11rem); }
.contact-details { font-family: var(--display); font-size: clamp(1.6rem, 3vw, 3rem); line-height: 1.3; }
.contact-details a { border-bottom: 1px solid var(--line); }
.contact-form { display: grid; gap: 1.5rem; }
.form-status { margin: 0; padding: 1rem; border: 1px solid var(--line); }
.form-status[hidden] { display: none; }
.form-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.field { display: grid; gap: .5rem; }
.field label { font-size: .67rem; font-weight: 650; letter-spacing: .17em; text-transform: uppercase; }
.field input, .field textarea { width: 100%; border: 0; border-bottom: 1px solid var(--ink); border-radius: 0; padding: .75rem 0; color: var(--ink); background: transparent; }
.field textarea { min-height: 160px; resize: vertical; }
.submit-button { width: fit-content; margin-top: 1rem; border: 1px solid var(--ink); padding: .85rem 1.2rem; background: transparent; cursor: pointer; letter-spacing: .12em; text-transform: uppercase; font-size: .7rem; transition: .25s ease; }
.submit-button:hover { color: var(--paper); background: var(--ink); }

.project-detail-hero { position: relative; isolation: isolate; min-height: 82svh; display: flex; align-items: flex-end; color: var(--white); overflow: hidden; }
.project-detail-hero img { position: absolute; inset: 0; z-index: -2; height: 100%; object-fit: cover; }
.project-detail-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to top, rgba(9,13,16,.8), rgba(9,13,16,.03) 70%); }
.project-detail-content { width: 100%; max-width: var(--max); margin: 0 auto; padding: 10rem var(--pad) 4rem; }
.project-detail-content .eyebrow { color: var(--ice); }
.project-detail-content h1 { margin: .8rem 0 1rem; font-family: var(--display); font-size: clamp(4rem, 12vw, 11rem); font-weight: 430; line-height: .84; letter-spacing: -.06em; }
.project-detail-content p { max-width: 600px; font-size: clamp(1.1rem, 2vw, 1.5rem); }
.project-body { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; }
.project-body h2 { margin: 0; font-family: Georgia, serif; font-size: clamp(2.5rem, 5vw, 5.5rem); font-weight: 400; font-style: italic; line-height: 1; letter-spacing: -.04em; }
.project-body p { max-width: 560px; color: var(--muted); }
.next-project { display: block; padding: 5rem var(--pad); color: var(--white); background: var(--blue-deep); }
.next-project-inner { max-width: var(--max); margin: 0 auto; }
.next-project span { display: block; color: var(--ice); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; }
.next-project strong { display: block; margin-top: .5rem; font-family: var(--display); font-size: clamp(2.5rem, 7vw, 7rem); font-weight: 430; line-height: 1; letter-spacing: -.05em; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.22,.61,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes hero-settle { to { transform: scale(1); } }
@keyframes draw-signal { to { stroke-dashoffset: 0; } }
@keyframes scroll-line { 0% { transform: translateY(-120%); } 55%, 100% { transform: translateY(230%); } }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; min-height: 68px; }
  .desktop-nav, .contact-link { display: none; }
  .menu-toggle { display: block; }
  .mobile-menu { position: fixed; inset: 0; z-index: 90; display: flex; visibility: hidden; flex-direction: column; justify-content: center; padding: 6rem var(--pad) 3rem; background: var(--paper); opacity: 0; transition: opacity .3s ease, visibility .3s; }
  .mobile-menu[aria-hidden="false"] { visibility: visible; opacity: 1; }
  .mobile-menu nav { display: grid; }
  .mobile-menu a { padding: .35rem 0; font-family: var(--display); font-size: clamp(2.5rem, 12vw, 5rem); line-height: 1.08; letter-spacing: -.04em; }
  .mobile-menu-meta { margin-top: auto; padding-top: 2rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .7rem; letter-spacing: .15em; }
  .menu-open .menu-toggle span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-open .menu-toggle span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .hero-lockup { grid-template-columns: 1fr; }
  .hero--brand { background: #77a5c8; }
  .hero--brand .hero-media img { object-fit: cover; object-position: 50% center; }
  .hero--brand .hero-media::after { background: linear-gradient(180deg, rgba(12,39,60,.3), rgba(12,39,60,.08) 35%, rgba(9,15,20,.08) 55%, rgba(9,15,20,.72)); }
  .hero--brand .hero-content { min-height: 100svh; display: flex; flex-direction: column; justify-content: space-between; padding-top: clamp(8.5rem, 16svh, 12rem); }
  .hero--brand .hero-lockup { display: block; }
  .hero--brand .hero-brand-lockup { display: block; width: 92%; max-width: 640px; margin: 0 auto; filter: drop-shadow(0 2px 16px rgba(0,0,0,.16)); }
  .hero--brand .hero-meta { grid-template-columns: 1fr; margin-left: 0; }
  .hero--brand .hero-meta, .hero--brand .hero-intro { width: 100%; min-width: 0; max-width: 100%; }
  .hero-mark { width: 130px; }
  .hero-title { font-size: clamp(3.7rem, 16vw, 8rem); white-space: normal; }
  .hero-meta { grid-template-columns: 1fr; }
  .hero-entries { justify-content: flex-start; order: 3; }
  .project-card, .project-card.reverse { grid-template-columns: 1fr; }
  .project-card.reverse .project-visual { order: initial; }
  .project-card.reverse .project-caption { order: 2; }
  .lab-intro, .chapter-grid, .contact-grid { grid-template-columns: 1fr; }
  .chapter-copy { padding-top: 1rem; }
  .lab-grid { grid-template-columns: 1fr; }
  .lab-card, .lab-card + .lab-card { min-height: 200px; padding: 1.4rem 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.25); }
  .lab-card p { min-height: 0; }
  .lab-card:last-child { border-bottom: 0; }
  .index-card, .index-card:nth-child(3n) { grid-column: span 12; }
  .experiment { grid-template-columns: 1fr; gap: .75rem; }
  .experiment > :last-child { justify-self: start; }
}

@media (max-width: 620px) {
  .section-head { display: block; }
  .section-note { margin-top: 1.5rem; }
  .hero-content { padding-bottom: 5rem; }
  .hero-title { max-width: 5.2em; }
  .hero-meta { gap: 1.25rem; }
  .hero-entries { gap: 1rem; flex-wrap: wrap; }
  .project-visual { aspect-ratio: 4 / 5; }
  .manifesto-lines span:nth-child(2), .manifesto-lines span:nth-child(3) { margin-left: 0; }
  .signal-item { grid-template-columns: 1fr 24px; gap: 1rem; }
  .signal-date { grid-column: 1 / -1; }
  .footer-meta { grid-template-columns: 1fr; }
  .footer-meta > :last-child, .footer-social { justify-self: start; justify-content: flex-start; }
  .footer-bottom { display: grid; gap: .5rem; }
  .about-columns, .project-body { grid-template-columns: 1fr; }
  .principle { grid-template-columns: 45px 1fr; }
  .principle p { grid-column: 2; }
  .chapter-image { aspect-ratio: 4 / 5; }
  .page-hero .lead { margin-left: 0; }
}

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