:root {
  --paper: #ede6d9;
  --paper-deep: #e2d8c6;
  --ink: #16110c;
  --ink-soft: #5c5348;
  --rust: #9c3b2a;
  --moss: #3d4a3a;
  --rule: rgba(22, 17, 12, 0.16);
  --shadow: rgba(22, 17, 12, 0.08);
  --serif-zh: "Noto Serif SC", "Songti SC", serif;
  --serif-en: "Cormorant Garamond", "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif-zh);
  font-size: 18px;
  line-height: 1.7;
}

body.night {
  --paper: #1c1814;
  --paper-deep: #14110e;
  --ink: #ede6d9;
  --ink-soft: #b7ad9c;
  --rule: rgba(237, 230, 217, 0.16);
  --shadow: rgba(0, 0, 0, 0.35);
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
  opacity: 0.22;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

body.night .grain {
  mix-blend-mode: overlay;
  opacity: 0.18;
}

.ink-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--rust);
  pointer-events: none;
  z-index: 100;
  opacity: 0;
  will-change: transform;
  transition: width 0.2s ease, height 0.2s ease, margin 0.2s ease, background 0.2s ease, border 0.2s ease, opacity 0.2s ease;
}

.ink-cursor.on {
  opacity: 1;
}

.ink-cursor.wide {
  width: 36px;
  height: 36px;
  margin: -18px 0 0 -18px;
  background: color-mix(in srgb, var(--rust) 18%, transparent);
  border: 1px solid var(--rust);
}

body.has-ink-cursor,
body.has-ink-cursor * {
  cursor: none !important;
}

.mast {
  position: sticky;
  top: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 16px 40px 16px 72px;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mast-left,
.mast-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mast-right {
  justify-content: flex-end;
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--ink);
  font-family: var(--serif-en);
  font-size: 12px;
  letter-spacing: 0;
}

.mast-nav {
  display: flex;
  gap: 28px;
}

.mast-nav a {
  position: relative;
}

.mast-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--rust);
  transition: width 0.25s ease;
}

.mast-nav a:hover::after,
.mast-nav a:focus-visible::after {
  width: 100%;
}

.spine {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  padding: 88px 0 24px;
  border-right: 1px solid var(--rule);
  z-index: 30;
  background: var(--paper);
}

.spine p {
  margin: 0;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

main {
  padding: 0 48px 96px 96px;
  max-width: 1280px;
}

.hero {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 80px 0 48px;
  border-bottom: 1px solid var(--rule);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--rust);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: end;
}

.name {
  margin: 0;
  line-height: 0.86;
}

.name-zh {
  display: block;
  font-size: clamp(88px, 16vw, 196px);
  font-weight: 700;
  letter-spacing: -0.06em;
}

.name-en {
  display: block;
  margin-top: 12px;
  font-family: var(--serif-en);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.hero-copy {
  padding-bottom: 18px;
  max-width: 36ch;
}

.lede {
  margin: 0 0 16px;
  font-size: 22px;
  line-height: 1.55;
}

.sub {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 16px;
}

.ink-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--rust);
  padding-bottom: 4px;
}

.ticker {
  margin-top: 64px;
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.ticker-track {
  display: flex;
  gap: 48px;
  padding: 14px 0;
  width: max-content;
  animation: drift 28s linear infinite;
  font-family: var(--serif-en);
  font-size: 20px;
  font-style: italic;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.sec-head {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: baseline;
  gap: 16px;
  padding: 72px 0 28px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 40px;
}

.sec-head h2 {
  margin: 0;
  font-size: 32px;
  font-weight: 700;
}

.num,
.sec-en {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr 200px;
  gap: 40px;
  align-items: start;
}

.portrait {
  margin: 0;
}

.portrait svg {
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--paper-deep);
}

.portrait figcaption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.about-body p {
  margin: 0 0 18px;
  max-width: 52ch;
}

.meta-list {
  display: grid;
  gap: 16px;
  margin: 32px 0 0;
}

.meta-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}

.meta-list dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.meta-list dd {
  margin: 0;
}

.stamp-card {
  border: 1px solid var(--ink);
  padding: 24px 18px;
  text-align: center;
  background: var(--paper-deep);
}

.stamp {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border: 2px solid var(--rust);
  color: var(--rust);
  font-size: 32px;
  font-weight: 700;
  transform: rotate(-8deg);
}

.stamp-card p {
  margin: 0 0 12px;
  font-family: var(--serif-en);
  font-style: italic;
  font-size: 18px;
}

.stamp-card span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.work-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  grid-template-rows: auto auto;
  gap: 18px;
}

.piece {
  padding: 28px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper-deep) 55%, var(--paper));
  min-height: 220px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.piece:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--shadow);
}

.piece.featured {
  grid-row: span 2;
  min-height: 460px;
  background:
    linear-gradient(180deg, transparent 55%, var(--paper) 100%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 18px,
      color-mix(in srgb, var(--rust) 10%, transparent) 18px,
      color-mix(in srgb, var(--rust) 10%, transparent) 19px
    );
}

.piece .year {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rust);
}

.piece h3 {
  margin: 12px 0 16px;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.piece p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 42ch;
}

.piece ul {
  margin: auto 0 0;
  padding: 24px 0 0;
  display: flex;
  gap: 16px;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.note-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.note-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}

.note-list time {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
  padding-top: 8px;
}

.note-list h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.note-list p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 62ch;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px 64px;
}

.contact-lede {
  margin: 0;
  font-size: 22px;
  max-width: 28ch;
}

address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-family: var(--serif-en);
  font-size: 28px;
}

address a {
  border-bottom: 1px solid var(--rule);
  width: fit-content;
}

address a:hover {
  border-color: var(--rust);
}

.letter {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
  padding: 32px;
  border: 1px dashed var(--ink);
  background: repeating-linear-gradient(
    var(--paper),
    var(--paper) 31px,
    var(--rule) 32px
  );
}

.letter label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.letter label:nth-child(3) {
  grid-column: 1 / -1;
}

.letter input,
.letter textarea {
  font-family: var(--serif-zh);
  font-size: 16px;
  color: var(--ink);
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--ink);
  padding: 8px 0;
  outline: none;
  resize: vertical;
}

.letter button {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 8px;
  padding: 12px 28px;
  background: var(--ink);
  color: var(--paper);
  border: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: none;
}

.letter button:hover {
  background: var(--rust);
}

.form-note {
  grid-column: 1 / -1;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--moss);
}

.colophon {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-left: 48px;
  padding: 24px 48px 32px 48px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

@media (max-width: 960px) {
  .ink-cursor {
    display: none;
  }

  body.has-ink-cursor,
  body.has-ink-cursor * {
    cursor: auto !important;
  }

  .spine {
    display: none;
  }

  .mast,
  main {
    padding-left: 24px;
    padding-right: 24px;
  }

  .mast {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .mast-right {
    justify-content: flex-start;
  }

  .hero-grid,
  .about-grid,
  .work-grid,
  .contact-grid,
  .letter {
    grid-template-columns: 1fr;
  }

  .piece.featured {
    grid-row: auto;
    min-height: 280px;
  }

  .colophon {
    margin-left: 0;
    flex-direction: column;
    padding: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .ticker-track,
  .ink-cursor,
  .piece {
    animation: none;
    transition: none;
  }
}