@font-face { font-family: "Fallback Serif"; src: local("Iowan Old Style"), local("Baskerville"); }

:root {
  color-scheme: light;
  --paper: #f1efe5;
  --ink: #151513;
  --red: #ef4b35;
  --green: #1f3b2f;
  --serif: "Fallback Serif", "Times New Roman", serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-family: var(--sans);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); }
button, a { color: inherit; }
button { font: inherit; }

.grain {
  position: fixed;
  z-index: 20;
  inset: 0;
  opacity: 0.13;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.27'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.site-header {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  width: min(100% - 3rem, 110rem);
  margin: 0 auto;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--ink);
}

.wordmark { width: max-content; font-family: var(--serif); font-size: 1.25rem; line-height: 0.82; text-decoration: none; }
.wordmark span, .wordmark em { display: block; }
.wordmark em { margin-left: 1.2rem; color: var(--red); font-size: 1.55em; font-weight: 400; }

.issue, .about-link, .chain-intro > p:first-child, .seed-number,
.participant-header, .photo-meta, .handoff-number,
.epilogue > p, footer {
  font-size: 0.67rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.45;
  text-transform: uppercase;
}

.issue { margin: 0; text-align: center; }
.about-link { justify-self: end; padding-top: 0.25rem; text-decoration: none; }
.about-link span { display: inline-block; margin-left: 0.35rem; transition: transform 180ms ease; }
.about-link:hover span { transform: translateY(0.25rem); }

.hero {
  position: relative;
  min-height: calc(100svh - 6rem);
  overflow: hidden;
  padding: clamp(5rem, 10vw, 9rem) max(1.5rem, calc((100vw - 110rem) / 2));
}

.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 11ch; margin: 0; font-family: var(--serif); font-size: clamp(3.7rem, 8.2vw, 9rem); font-weight: 400; letter-spacing: -0.065em; line-height: 0.82; }
.hero h1 span { position: relative; display: inline-block; color: var(--red); font-style: italic; }
.hero h1 span::after { position: absolute; right: -0.05em; bottom: -0.08em; left: 0.12em; height: 0.09em; background: var(--red); content: ""; clip-path: polygon(0 48%, 22% 12%, 48% 43%, 73% 8%, 100% 49%, 75% 71%, 48% 58%, 19% 94%); }

.sign-card {
  position: absolute;
  z-index: 3;
  top: 12%;
  right: max(3rem, calc((100vw - 103rem) / 2));
  width: clamp(12rem, 18vw, 19rem);
  aspect-ratio: 2 / 3;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  perspective: 80rem;
  transform: rotate(5deg);
  transition: transform 250ms ease;
}

.sign-card:hover { transform: rotate(2deg) translateY(-0.5rem); }
.sign-card:focus-visible { outline: 3px solid var(--red); outline-offset: 0.5rem; }
.sign-card-inner { position: relative; display: block; width: 100%; height: 100%; transform-style: preserve-3d; transition: transform 650ms cubic-bezier(0.2, 0.8, 0.2, 1); }
.sign-card[aria-pressed="true"] .sign-card-inner { transform: rotateY(180deg); }
.sign-face { position: absolute; inset: 0; display: block; overflow: hidden; border: 1px solid var(--ink); background: var(--paper); box-shadow: 0.7rem 0.8rem 0 var(--ink); backface-visibility: hidden; }
.sign-front img { display: block; width: 100%; height: 100%; object-fit: cover; }
.sign-front > span { position: absolute; right: 0; bottom: 0; left: 0; padding: 0.55rem; border-top: 1px solid var(--ink); background: var(--paper); font-size: 0.56rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.sign-back { display: flex; flex-direction: column; justify-content: space-between; padding: 1.4rem; background: var(--red); color: #fffaf0; text-align: left; transform: rotateY(180deg); }
.sign-back small, .sign-back > span { font-size: 0.57rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; }
.sign-back strong { font-family: var(--serif); font-size: clamp(1.6rem, 2.5vw, 2.5rem); font-weight: 400; letter-spacing: -0.03em; line-height: 0.98; }
.sign-back em { color: var(--ink); }

.hero-arrow { position: absolute; right: 18vw; bottom: 18%; width: min(30vw, 31rem); transform: rotate(-5deg); }
.hero-arrow svg { display: block; width: 100%; overflow: visible; fill: none; stroke: var(--ink); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.5; }
.hero-arrow small { position: absolute; right: 10%; bottom: -1rem; font-family: var(--serif); font-size: 1rem; font-style: italic; }

.start-button {
  position: absolute;
  right: max(1.5rem, calc((100vw - 110rem) / 2));
  bottom: 3rem;
  z-index: 4;
  display: flex;
  align-items: center;
  gap: 2.2rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 0.85rem 0.9rem 0.85rem 1.4rem;
  background: var(--paper);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 180ms ease, color 180ms ease;
}

.start-button span { display: grid; width: 2.25rem; aspect-ratio: 1; place-items: center; border-radius: 50%; background: var(--red); color: var(--paper); font-size: 1.1rem; }
.start-button:hover { background: var(--ink); color: var(--paper); }

.chain-intro, .about { display: grid; grid-template-columns: minmax(9rem, 0.4fr) 1fr minmax(14rem, 0.5fr); gap: 2rem; width: min(100% - 3rem, 110rem); margin: 0 auto; padding: 7rem 0 6rem; border-top: 1px solid var(--ink); }
.chain-intro > p:first-child { margin: 0.4rem 0 0; }
.chain-intro h2, .seed h2, .epilogue h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 5vw, 5.5rem); font-weight: 400; letter-spacing: -0.05em; line-height: 0.9; }
.chain-intro-copy { align-self: end; max-width: 27rem; margin: 0 0 0.35rem; font-family: var(--serif); font-size: clamp(1.15rem, 1.5vw, 1.5rem); line-height: 1.28; }

.seed { display: grid; grid-template-columns: 0.35fr 0.8fr 0.65fr; gap: 2rem; width: min(100% - 3rem, 110rem); margin: 0 auto 8rem; padding: 3rem; border: 1px solid var(--ink); background: var(--green); color: #fffaf0; box-shadow: 0.75rem 0.85rem 0 var(--red); transform: rotate(-0.5deg); }
.seed-number { margin: 0.4rem 0 0; }
.seed-copy { align-self: end; }
.seed-copy p { max-width: 25rem; margin: 0; font-family: var(--serif); font-size: 1.2rem; line-height: 1.35; }
.seed-copy .aside { margin-top: 1rem; color: #e4a89e; font-size: 0.95rem; font-style: italic; }
.seed blockquote { grid-column: 2 / 4; margin: 2rem 0 0; padding-top: 2rem; border-top: 1px solid rgba(255, 250, 240, 0.4); color: #f7a091; font-family: var(--serif); font-size: clamp(2rem, 4vw, 4.3rem); font-style: italic; letter-spacing: -0.035em; line-height: 0.98; }

.chain { width: min(100% - 3rem, 110rem); margin: 0 auto; padding: 1rem 0 8rem; }
.participant { position: relative; width: min(88%, 82rem); }
.participant-left { margin-right: auto; }
.participant-right { margin-left: auto; }
.participant-header { display: flex; justify-content: space-between; margin-bottom: 0.7rem; padding: 0 0.2rem; border-bottom: 1px solid var(--ink); }
.participant-header p { margin: 0 0 0.55rem; }
.pair { display: grid; grid-template-columns: minmax(13rem, 1fr) minmax(5rem, 0.26fr) minmax(13rem, 1fr); align-items: center; }

.photo { position: relative; display: block; width: 100%; margin: 0; overflow: hidden; border: 1px solid var(--ink); padding: clamp(0.45rem, 0.8vw, 0.8rem); padding-bottom: 2.8rem; background: var(--paper); box-shadow: 0.5rem 0.65rem 0 var(--ink); cursor: zoom-in; transform: rotate(-1.2deg); transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1); }
.photo-write { transform: rotate(1.5deg); }
.photo:hover, .photo:focus-visible { z-index: 3; outline: 0; transform: rotate(0) translateY(-0.55rem) scale(1.012); }
.photo img { display: block; width: 100%; height: auto; aspect-ratio: 2 / 3; border: 1px solid rgba(21, 21, 19, 0.22); object-fit: contain; transition: transform 550ms ease; }
.photo:hover img { transform: scale(1.018); }
.photo-meta { position: absolute; right: 0; bottom: 0; left: 0; display: flex; justify-content: space-between; padding: 0.7rem 0.8rem; border-top: 1px solid var(--ink); background: var(--paper); }
.zoom-hint { position: absolute; top: 0.7rem; right: 0.7rem; display: grid; width: 2rem; aspect-ratio: 1; place-items: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--paper); font-size: 0.9rem; opacity: 0; transform: translateY(0.3rem); transition: opacity 180ms ease, transform 180ms ease; }
.photo:hover .zoom-hint, .photo:focus-visible .zoom-hint { opacity: 1; transform: translateY(0); }

.pair-arrow { position: relative; padding: 0 0.7rem; transform: rotate(-4deg); }
.pair-arrow span { position: absolute; top: -0.7rem; left: 50%; font-family: var(--serif); font-size: 0.9rem; font-style: italic; transform: translateX(-50%); }
.pair-arrow svg, .continuation svg { display: block; width: 100%; overflow: visible; fill: none; stroke: var(--red); stroke-linecap: round; stroke-linejoin: round; stroke-width: 3; }

.handoff { position: relative; z-index: 2; display: grid; grid-template-columns: 0.35fr 1fr; gap: 1rem; align-items: start; width: min(78%, 54rem); margin: -1px auto 0; border: 1px solid var(--ink); padding: 1rem; background: var(--red); color: #fffaf0; text-align: left; }
.handoff strong { max-width: 28ch; font-family: var(--serif); font-size: clamp(1.35rem, 2.3vw, 2.45rem); font-weight: 400; line-height: 1.05; }

.continuation { position: relative; width: 45%; height: 10rem; margin: 1rem 5% 0 auto; }
.continuation-left { margin-right: auto; margin-left: 5%; }
.continuation svg { height: 100%; stroke-dasharray: 10 9; stroke-width: 2.5; animation: marching-line 16s linear infinite; }
.continuation span { position: absolute; top: 57%; left: 48%; padding: 0.2rem 0.5rem; background: var(--paper); font-family: var(--serif); font-size: 1rem; font-style: italic; white-space: nowrap; transform: rotate(-5deg); }
.continuation-left span { transform: rotate(5deg); }
@keyframes marching-line { to { stroke-dashoffset: -190; } }

.epilogue { position: relative; margin: 9rem 0 2rem; padding: 5rem 2rem; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); text-align: center; }
.epilogue > p { margin: 0 0 2rem; }
.epilogue h2 em { color: var(--red); font-weight: 400; }
.epilogue h2 + p { margin-top: 2rem; font-family: var(--serif); font-size: 1.2rem; font-style: italic; text-transform: none; }

.about { grid-template-columns: 1fr 1fr; padding-bottom: 9rem; border-top: 0; }
.about-copy { position: relative; grid-column: 2; padding: 0 4rem 0 6rem; }
.about-copy p { max-width: 31rem; font-family: var(--serif); font-size: 1.25rem; line-height: 1.45; }
.about-copy .lead { margin-top: 0; font-size: clamp(1.7rem, 2.6vw, 2.8rem); letter-spacing: -0.025em; line-height: 1.1; }
.status-stamp { position: absolute; right: 0; bottom: -5rem; display: grid; width: 11rem; aspect-ratio: 1; place-content: center; border: 2px solid var(--red); border-radius: 50%; color: var(--red); text-align: center; transform: rotate(8deg); }
.status-stamp span { font-size: 0.52rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.status-stamp strong { margin: 0.5rem 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 400; line-height: 0.9; text-transform: uppercase; }

footer { display: flex; justify-content: space-between; width: min(100% - 3rem, 110rem); margin: 0 auto; padding: 1.5rem 0 2rem; border-top: 1px solid var(--ink); }
footer p { margin: 0; }
footer span { margin: 0 0.4rem; color: var(--red); }

.lightbox { width: min(92vw, 82rem); height: min(92svh, 64rem); overflow: visible; border: 0; padding: 0; background: transparent; color: #fffaf0; }
.lightbox::backdrop { background: rgba(15, 17, 14, 0.92); backdrop-filter: blur(5px); }
.lightbox img { display: block; width: 100%; height: calc(100% - 3rem); object-fit: contain; }
.lightbox p { margin: 0.8rem 3rem 0; font-family: var(--serif); font-size: 1rem; text-align: center; }
.lightbox-close { position: absolute; z-index: 2; top: 0; right: 0; display: grid; width: 2.5rem; aspect-ratio: 1; place-items: center; border: 1px solid #fffaf0; border-radius: 50%; background: var(--ink); color: #fffaf0; cursor: pointer; font-size: 1.4rem; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; }
  .issue { display: none; }
  .hero { min-height: 59rem; padding-top: 6rem; }
  .hero h1 { font-size: clamp(3.4rem, 16vw, 6.2rem); }
  .sign-card { top: auto; right: 8%; bottom: 11rem; width: 12.5rem; }
  .hero-arrow { right: 29%; bottom: 15%; width: 24rem; }
  .chain-intro { grid-template-columns: 1fr; padding: 5rem 0 4rem; }
  .chain-intro-copy { margin-top: 1rem; }
  .seed { grid-template-columns: 0.45fr 1fr; padding: 2rem; }
  .seed-copy { grid-column: 2; }
  .seed blockquote { grid-column: 1 / -1; }
  .chain { padding-top: 2rem; }
  .participant { width: 100%; }
  .pair { grid-template-columns: 1fr 3rem 1fr; }
  .photo { box-shadow: 0.25rem 0.35rem 0 var(--ink); }
  .pair-arrow { padding: 0 0.2rem; }
  .pair-arrow span { font-size: 0.7rem; }
  .photo-meta { padding: 0.45rem; font-size: 0.49rem; }
  .handoff { grid-template-columns: 1fr; width: 92%; }
  .handoff-number { grid-column: 1; }
  .handoff strong { grid-column: 1; grid-row: 2; }
  .continuation { width: 75%; height: 8rem; margin-right: 0; }
  .continuation-left { margin-left: 0; }
  .about { grid-template-columns: 1fr; padding: 5rem 0 8rem; }
  .about-copy { grid-column: 1; margin-top: 0; padding: 0; }
  .status-stamp { position: relative; right: auto; bottom: auto; margin: 4rem 0 0 auto; }
}

@media (max-width: 520px) {
  .site-header, .chain-intro, .seed, .chain, .about, footer { width: calc(100% - 2rem); }
  .hero { min-height: 53rem; padding-right: 1rem; padding-left: 1rem; }
  .hero h1 { font-size: 3.55rem; }
  .sign-card { right: 1.5rem; bottom: 10rem; width: 10.5rem; }
  .hero-arrow { right: 26%; bottom: 15%; width: 19rem; }
  .hero-arrow small { display: none; }
  .start-button { right: 1rem; bottom: 2rem; }
  .chain-intro h2, .seed h2, .epilogue h2 { font-size: 2.75rem; }
  .seed { display: block; margin-bottom: 6rem; padding: 1.5rem; }
  .seed h2 { margin: 1.5rem 0; }
  .seed blockquote { font-size: 2rem; }
  .participant-header p:last-child { display: none; }
  .pair { grid-template-columns: 1fr 1.5rem 1fr; }
  .photo,
  .photo-write { transform: none; }
  .photo:hover,
  .photo:focus-visible { transform: translateY(-0.25rem); }
  .pair-arrow span { display: none; }
  .pair-arrow { padding: 0; }
  .photo-meta b { display: none; }
  .zoom-hint { top: 0.4rem; right: 0.4rem; width: 1.5rem; opacity: 1; }
  .handoff { width: 96%; padding: 0.8rem; }
  .continuation span { font-size: 0.8rem; }
  .epilogue { padding: 4rem 0.5rem; }
  footer { display: block; }
  footer p + p { margin-top: 0.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .continuation svg { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}