/* ---------------------------------------------------------------
   Yean Cheng — minimal zine / editorial poster style
   aged paper · huge negative space · serif + typewriter type
   one high-chroma cobalt anchor · xerox / riso print defects
   --------------------------------------------------------------- */

:root {
  --paper: #f3eee3;
  --paper-deep: #e9e1cf;
  --ink: #262319;
  --ink-soft: #57523f;
  --ink-faint: #8a836e;
  --hairline: rgba(38, 35, 25, 0.28);
  --cobalt: #2541e0;
  --cobalt-soft: rgba(37, 65, 224, 0.5);
  --ghost: #e2d9c2;
  --serif: "Newsreader", "Songti SC", "Noto Serif SC", Georgia, serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.02rem;
  line-height: 1.78;
  background:
    radial-gradient(1100px 760px at 12% -8%, rgba(208, 195, 162, 0.4), transparent 62%),
    radial-gradient(900px 700px at 108% 26%, rgba(200, 186, 150, 0.3), transparent 60%),
    radial-gradient(1000px 900px at 42% 112%, rgba(212, 200, 170, 0.34), transparent 62%),
    var(--paper);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

/* xerox / scan grain over everything */
.grain {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.055'/%3E%3C/svg%3E");
}

::selection { background: var(--cobalt); color: var(--paper); }

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: color 0.15s ease, border-color 0.15s ease;
}
a:hover { color: var(--cobalt); border-bottom-color: var(--cobalt); }

/* ---------------- masthead ---------------- */

.masthead {
  max-width: 44rem;
  margin: 0 auto;
  padding: clamp(1.6rem, 5vh, 3rem) 1.5rem 0;
}

.issue-bar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--hairline);
  padding: 0.5rem 0 0.45rem;
}
.issue-bar span:nth-child(2) { text-align: center; }
.issue-bar span:nth-child(3) { text-align: right; }

.mast-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(1.5rem, 6vw, 3.5rem);
  align-items: end;
  padding-top: clamp(3rem, 10vh, 6rem);
}

.name {
  margin: 0;
  font-weight: 300;
  font-size: clamp(3.4rem, 12vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  isolation: isolate;
}

/* misregistered cobalt under-print */
.misreg { position: relative; display: block; width: max-content; }
.misreg::before {
  content: attr(data-text);
  position: absolute;
  top: 0.045em;
  left: 0.06em;
  z-index: -1;
  color: var(--cobalt);
  opacity: 0.55;
}

.tagline {
  margin: 1.4rem 0 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}
.tagline em { color: var(--cobalt); font-style: normal; }

.mastnav {
  margin-top: 2.6rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}
.mastnav a { border-bottom: none; }
.mastnav a:hover { text-decoration: underline; text-underline-offset: 3px; }
.mastnav span { color: var(--ink-faint); margin: 0 0.55rem; }

/* portrait: xerox-printed specimen on a cobalt block */
.portrait { margin: 0; }
.portrait .frame { position: relative; width: clamp(150px, 24vw, 205px); }
.portrait img {
  display: block;
  width: 100%;
  height: auto;
}
.portrait .block {
  position: absolute;
  width: 55%;
  height: 42%;
  right: -9%;
  bottom: -7%;
  background: var(--cobalt);
  z-index: -1;
  opacity: 0.92;
}
.portrait figcaption {
  margin-top: 0.9rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

/* art plates: riso prints pasted into the page */
.plate {
  float: right;
  width: clamp(140px, 22vw, 176px);
  margin: 0.3rem 0 1.6rem 2rem;
  transform: rotate(0.8deg);
}
.plate img { display: block; width: 100%; height: auto; }
.plate figcaption,
.endpaper figcaption {
  margin-top: 0.8rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.endpaper {
  width: clamp(150px, 24vw, 190px);
  margin: clamp(5.5rem, 15vh, 9rem) auto 0;
  text-align: center;
}
.endpaper img {
  display: block;
  width: 100%;
  height: auto;
  transform: rotate(-0.6deg);
}

/* vertical ghost note in the margin (wide screens only) */
.marginalia { display: none; }

/* scissors cut line */
.cutline {
  max-width: 44rem;
  margin: clamp(3rem, 9vh, 5.5rem) auto 0;
  padding: 0 1.5rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  white-space: nowrap;
  overflow: hidden;
}

/* ---------------- sections ---------------- */

main { display: block; }

.sec {
  max-width: 40rem;
  margin: clamp(5.5rem, 16vh, 9.5rem) auto 0;
  padding: 0 1.5rem;
}

.sec-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 2.4rem;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.sec-label::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--hairline);
}
.mark {
  width: 0.62em;
  height: 0.62em;
  background: var(--cobalt);
  flex: none;
}
.mark.circ { border-radius: 50%; }
.mark.half {
  border-radius: 50%;
  background: linear-gradient(90deg, var(--cobalt) 50%, transparent 50%);
  box-shadow: inset 0 0 0 1px var(--cobalt);
}
.mark.tri {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.sec p { margin: 0 0 1.35rem; }
.sec p:last-child { margin-bottom: 0; }

/* ---------------- news ledger ---------------- */

.ledger {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px dashed var(--hairline);
}
.ledger li {
  display: grid;
  grid-template-columns: 8.5ch 1fr;
  gap: 1.4rem;
  padding: 1.05rem 0;
  border-top: 1px dashed var(--hairline);
}
.ledger time {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  padding-top: 0.32em;
}
.ledger p { margin: 0; }
.ledger strong { font-weight: 600; }

/* ---------------- publications ---------------- */

.papers {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: paper;
}

.paper {
  display: grid;
  grid-template-columns: 2.9rem 1fr;
  gap: 1.2rem;
  padding: 1.9rem 0 2.1rem;
  border-top: 1px solid var(--hairline);
}
.paper:last-child { border-bottom: 1px solid var(--hairline); }

.ghost {
  font-size: 2.1rem;
  font-weight: 300;
  line-height: 1;
  color: var(--ghost);
  text-align: right;
  padding-top: 0.15em;
  user-select: none;
}

.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
  padding: 0.18em 0.55em 0.12em;
  transform: rotate(-1.1deg);
}
.paper:nth-child(even) .stamp { transform: rotate(0.9deg); }

.paper h3 {
  margin: 0.7rem 0 0.35rem;
  font-weight: 500;
  font-size: 1.13rem;
  line-height: 1.42;
  letter-spacing: 0.002em;
}
.oral { color: var(--cobalt); font-weight: 500; }

.authors {
  margin: 0;
  font-size: 0.9rem;
  font-style: italic;
  color: var(--ink-soft);
}
.authors b { font-weight: 600; font-style: normal; }

.plinks {
  margin: 0.55rem 0 0;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}
.plinks a {
  border-bottom: 1px solid var(--hairline);
  margin-right: 1.1rem;
  padding-bottom: 1px;
}
.plinks a::before { content: "["; color: var(--ink-faint); }
.plinks a::after { content: "]"; color: var(--ink-faint); }

.abs { margin-top: 0.8rem; }
.abs summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  width: max-content;
}
.abs summary::-webkit-details-marker { display: none; }
.abs summary::before { content: "+ "; color: var(--cobalt); }
.abs[open] summary::before { content: "– "; }
.abs summary:hover { color: var(--cobalt); }
.abs p {
  margin: 0.8rem 0 0;
  padding-left: 0.9rem;
  border-left: 1px solid var(--hairline);
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------------- contact & colophon ---------------- */

.contact-row {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}
.contact-row a { border-bottom: none; }
.contact-row a:hover { text-decoration: underline; text-underline-offset: 3px; }
.contact-row span { color: var(--ink-faint); margin: 0 0.7rem; }

.contact-note {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.colophon {
  max-width: 44rem;
  margin: clamp(6rem, 18vh, 10rem) auto 0;
  padding: 1.4rem 1.5rem 2.6rem;
  border-top: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.colophon p { margin: 0; }

/* ---------------- small screens ---------------- */

@media (max-width: 640px) {
  .mast-grid { grid-template-columns: 1fr; align-items: start; }
  .portrait { margin-top: 2.2rem; }
  .issue-bar { font-size: 0.58rem; letter-spacing: 0.1em; }
  .ledger li { grid-template-columns: 1fr; gap: 0.25rem; }
  .ledger time { padding-top: 0; }
  .paper { grid-template-columns: 2.2rem 1fr; gap: 0.9rem; }
  .ghost { font-size: 1.6rem; }
  .plate { float: none; margin: 0 auto 1.8rem; }
}

/* wide margin: vertical ghost note beside publications */
@media (min-width: 1180px) {
  .sec { position: relative; }
  .marginalia {
    display: block;
    position: absolute;
    left: -9rem;
    top: 0.5rem;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--mono);
    font-size: 0.64rem;
    letter-spacing: 0.32em;
    color: #d9d0b8;
    user-select: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}