/* ============================================================
   Cheng-Hsun "Jerome" Wu — portfolio index
   Direction A · Institutional White (Fondazione Prada register)
   Paper ground · black text · single oxblood signal · hairline grid
   · zero radius · small systematic type · catalogue layout.
   ============================================================ */

:root {
  --paper:   #F2F1EC;   /* ground — warm off-white */
  --paper-2: #EAE8E1;   /* raised still panels */
  --ink:     #141414;   /* text */
  --haze:    #6A665F;   /* secondary text, labels */
  --line:    #CDC9C0;   /* hairline */
  --line-2:  #B9B4A9;   /* stronger hairline on hover */
  --oxblood: #8E2420;   /* single accent */

  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --tc:   "Noto Sans TC", var(--sans);

  --pad:  clamp(18px, 4vw, 48px);
  --gap:  clamp(24px, 3.4vw, 44px);
  --bar-h: 52px;

  /* the systematic small type the whole catalogue is set in */
  --cap:  11px;
  --track-cap: .07em;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

:lang(zh-Hant) { font-family: var(--tc); }

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

:focus-visible { outline: 2px solid var(--oxblood); outline-offset: 2px; }

/* shared label — the caption voice of the site */
.lbl {
  margin: 0;
  font-size: var(--cap);
  font-weight: 500;
  letter-spacing: var(--track-cap);
  text-transform: uppercase;
  color: var(--haze);
}

/* ============================================================
   Top bar — fixed, hairline, tiny type (Prada scale)
   ============================================================ */
.bar {
  position: fixed; inset: 0 0 auto 0; z-index: 30;
  height: var(--bar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--pad);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.bar__mark {
  font-size: 12px; font-weight: 600;
  letter-spacing: .02em; text-transform: uppercase;
}
.bar__nick { color: var(--haze); font-weight: 400; }
.bar__nav { display: flex; gap: clamp(16px, 2.4vw, 32px); }
.bar__nav a {
  font-size: 12px; letter-spacing: .02em; text-transform: uppercase;
  color: var(--haze); transition: color .25s ease;
}
.bar__nav a:hover { color: var(--oxblood); }

main { padding-top: var(--bar-h); }

@media (max-width: 480px) {
  .bar__mark { font-size: 11px; }
  .bar__nick { display: none; }
  .bar__nav { gap: 14px; }
  .bar__nav a { font-size: 11px; }
}

/* ============================================================
   Masthead — a caption block acting as statement, not a hero
   ============================================================ */
.mast {
  padding: clamp(48px, 9vw, 120px) var(--pad) clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
}
.mast__grid { display: grid; gap: clamp(28px, 4vw, 48px); }
.mast__stmt {
  margin: 0;
  max-width: 20ch;
  font-weight: 500;
  font-size: clamp(30px, 5.4vw, 76px);
  line-height: 1.02;
  letter-spacing: -.02em;
}
.mast__stmt span { color: var(--oxblood); }
.mast__foot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gap);
  max-width: 900px;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--line);
}
.mast__val { margin: 6px 0 0; font-size: 13px; line-height: 1.45; max-width: 34ch; }

@media (max-width: 720px) {
  .mast__foot { grid-template-columns: 1fr; gap: 22px; }
}

/* ============================================================
   Index — catalogue header + grid of works
   ============================================================ */
.index { padding: 0 var(--pad); }

.index__head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink);
}
.index__count {
  font-size: var(--cap); font-weight: 500;
  letter-spacing: var(--track-cap); text-transform: uppercase;
  color: var(--haze); text-align: right;
}

.grid {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;                       /* hairline seams between entries */
  background: var(--line);        /* seams show through the gap */
  border-bottom: 1px solid var(--line);
}
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }

.entry { background: var(--paper); }
.entry__link { display: block; padding: var(--gap) 0 calc(var(--gap) - 6px); }

.entry__still {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  background: var(--paper-2);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color .3s ease;
}
.entry__link:hover .entry__still { border-color: var(--line-2); }
.entry__still img {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform 1.2s cubic-bezier(.2,.7,.3,1), filter .5s ease;
  filter: saturate(.96);
}
.entry__link:hover .entry__still img { transform: scale(1.03); filter: saturate(1.03); }
.still__tag {
  position: absolute; left: 0; top: 0; z-index: 2;
  padding: 6px 10px;
  background: var(--paper);
  font-size: var(--cap); font-weight: 600; letter-spacing: .06em;
  color: var(--ink);
}

.entry__cap { padding-top: 18px; }
.entry__title {
  margin: 0 0 14px;
  font-size: clamp(19px, 2.1vw, 27px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.015em;
}
.entry__title span { color: var(--haze); font-weight: 400; margin-left: .3em; }

.entry__data { margin: 0; display: grid; gap: 0; }
.entry__data > div {
  display: grid; grid-template-columns: 70px 1fr; gap: 14px;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}
.entry__data dt {
  margin: 0; font-size: var(--cap); font-weight: 500;
  letter-spacing: var(--track-cap); text-transform: uppercase; color: var(--haze);
}
.entry__data dd { margin: 0; font-size: 13px; line-height: 1.4; }

/* ============================================================
   Info
   ============================================================ */
.info {
  padding: clamp(56px, 8vw, 110px) var(--pad);
  border-top: 1px solid var(--ink);
  margin-top: clamp(56px, 8vw, 110px);
}
.info__grid {
  display: grid;
  grid-template-columns: 120px minmax(0, 1.2fr) minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
}
.info__lead p { margin: 0 0 18px; max-width: 44ch; font-size: 16px; line-height: 1.6; }
.info__lead p:last-child { margin-bottom: 0; color: var(--haze); }
.info__portrait {
  float: right; width: 148px; margin: 4px 0 16px 28px;
  border: 1px solid var(--line);
  filter: grayscale(1) contrast(1.02);
}
@media (max-width: 520px) { .info__portrait { float: none; width: 120px; margin: 0 0 18px; } }

.info__facts { margin: 0; border-top: 1px solid var(--ink); }
.info__facts > div {
  display: grid; grid-template-columns: 96px 1fr; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--line);
}
.info__facts dt {
  margin: 0; font-size: var(--cap); font-weight: 500;
  letter-spacing: var(--track-cap); text-transform: uppercase; color: var(--haze);
}
.info__facts dd { margin: 0; font-size: 13px; line-height: 1.45; }

@media (max-width: 860px) {
  .info__grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- awards ---------- */
.awards { margin-top: clamp(40px, 6vw, 72px); }
.awards__list {
  list-style: none; margin: 16px 0 0; padding: 0;
  border-top: 1px solid var(--ink);
}
.awards__list li {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 20px; align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}
.awards__yr {
  font-family: var(--sans); font-size: var(--cap); font-weight: 500;
  letter-spacing: var(--track-cap); color: var(--haze);
}
.awards__name { font-size: 15px; }
.awards__place {
  font-size: var(--cap); letter-spacing: var(--track-cap);
  text-transform: uppercase; color: var(--haze); text-align: right;
}
@media (max-width: 560px) {
  .awards__list li { grid-template-columns: 48px 1fr; }
  .awards__place { grid-column: 2; text-align: left; margin-top: 2px; }
}

/* ============================================================
   Work detail pages — REAS-structure, Prada skin
   Left sticky sidebar (works list + meta + social) · right essay column
   ============================================================ */
.work-layout {
  display: grid;
  grid-template-columns: 224px minmax(0, 1fr);
  gap: clamp(30px, 4vw, 68px);
  padding: 0 var(--pad);
  align-items: start;
}
.sidebar {
  position: sticky; top: 0; align-self: start;
  height: 100dvh;
  display: flex; flex-direction: column; gap: 26px;
  padding: 24px 24px 24px 0;
  border-right: 1px solid var(--line);
  overflow-y: auto;
}
.sidebar__mark {
  font-size: 13px; font-weight: 600; line-height: 1.3;
  letter-spacing: .01em; text-transform: uppercase;
}
.sidebar__mark span { color: var(--haze); font-weight: 400; }
.sidebar nav { display: flex; flex-direction: column; gap: 7px; }
.sidebar .lbl { margin-bottom: 4px; }
.sidebar__works a { font-size: 15px; color: var(--haze); transition: color .2s ease; width: fit-content; }
.sidebar__works a:hover { color: var(--ink); }
.sidebar__works a[aria-current="page"] { color: var(--oxblood); }
.sidebar__works a span { font-size: .82em; }
.sidebar__meta a,
.sidebar__social a {
  font-size: 12px; letter-spacing: .02em; text-transform: uppercase;
  color: var(--haze); transition: color .2s ease; width: fit-content;
}
.sidebar__meta a:hover,
.sidebar__social a:hover { color: var(--oxblood); }
.sidebar__legal {
  margin: 0; margin-top: auto;
  font-size: var(--cap); letter-spacing: var(--track-cap);
  text-transform: uppercase; color: var(--haze);
}

.workmain { max-width: 940px; padding: clamp(38px, 6vw, 84px) 0 clamp(48px, 7vw, 92px); }
.essay { }
.essay p { margin: 0 0 20px; max-width: 64ch; font-size: 17px; line-height: 1.66; }
.essay p em { font-style: italic; }
.essay h2 {
  margin: 38px 0 14px;
  font-size: clamp(19px, 2.1vw, 25px); font-weight: 600;
  letter-spacing: -.01em; line-height: 1.1;
}
.essay .detail__credit { margin-top: 26px; }

@media (max-width: 820px) {
  .work-layout { grid-template-columns: 1fr; gap: 0; }
  .sidebar {
    position: static; height: auto; overflow: visible;
    flex-direction: column; gap: 20px;
    padding: 20px 0; border-right: 0; border-bottom: 1px solid var(--line);
  }
  .sidebar__works { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
  .sidebar__legal { margin-top: 0; }
  .workmain { max-width: none; }
}

/* legacy single-page detail wrapper (kept for reference/back-compat) */
.detail { padding: 0 var(--pad); }

/* ============================================================
   Press / feature page — Nova-structure, Prada skin
   Left text (label · title · source · excerpt · button · link · related)
   · right media
   ============================================================ */
.press { padding-top: var(--bar-h); }
.press-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(30px, 4vw, 64px);
  padding: clamp(44px, 7vw, 96px) var(--pad) clamp(40px, 6vw, 80px);
  align-items: start;
}
.press-title {
  margin: 14px 0 0;
  font-size: clamp(30px, 4vw, 58px); font-weight: 700;
  line-height: .98; letter-spacing: -.03em;
}
.press-title span { color: var(--haze); font-weight: 400; margin-left: .3em; }
.press-source {
  margin: 16px 0 26px;
  font-size: var(--cap); font-weight: 600;
  letter-spacing: var(--track-cap); text-transform: uppercase; color: var(--haze);
}
.press-excerpt p { margin: 0 0 18px; max-width: 46ch; font-size: 16px; line-height: 1.62; }

.btn {
  display: inline-block;
  padding: 12px 22px; margin: 6px 0 4px;
  border: 1px solid var(--line-2);
  font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.btn:hover { background: var(--oxblood); color: var(--paper); border-color: var(--oxblood); }
.btn[aria-disabled="true"] {
  color: var(--haze); border-style: dashed; cursor: default; pointer-events: none;
}

.press-link { margin: 26px 0 0; font-size: 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--haze); }
.press-link a { border-bottom: 1px solid var(--line-2); }
.press-link a:hover { color: var(--oxblood); border-color: var(--oxblood); }

.press-related { margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line); }
.related {
  display: grid; grid-template-columns: 84px 1fr; gap: 16px; align-items: center;
  margin-top: 14px;
}
.related img { width: 84px; height: 64px; object-fit: cover; border: 1px solid var(--line); filter: saturate(.96); }
.related span { font-size: 15px; font-weight: 600; }
.related:hover span { color: var(--oxblood); }

.press-media { margin: 0; }
.press-media img { width: 100%; display: block; border: 1px solid var(--line); }

@media (max-width: 820px) {
  .press-layout { grid-template-columns: 1fr; gap: 26px; }
  .press-media { order: -1; }
}
.detail__top {
  padding: clamp(40px, 6vw, 84px) 0 clamp(28px, 4vw, 44px);
}
.detail__no {
  font-size: var(--cap); font-weight: 500; letter-spacing: var(--track-cap);
  text-transform: uppercase; color: var(--haze);
}
.detail__title {
  margin: 14px 0 0;
  font-size: clamp(36px, 6.4vw, 88px);
  font-weight: 700; line-height: .96; letter-spacing: -.035em;
}
.detail__title span { color: var(--haze); font-weight: 400; margin-left: .3em; }
.detail__tagline {
  margin: 20px 0 0; max-width: 30ch;
  font-size: clamp(17px, 2vw, 22px); line-height: 1.3; color: var(--oxblood);
}

/* media: video embed or image, 16:9 */
.media {
  position: relative; margin: 0 0 1px;
  aspect-ratio: 16 / 9; background: #0b0b0b;
  border: 1px solid var(--line); overflow: hidden;
}
.media iframe, .media img, .media video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  border: 0; object-fit: cover; display: block;
}
.media--tall { aspect-ratio: 3 / 2; }
.media--still { margin: 0; }

/* Prada-style bold caps caption block under the media */
.mediacap {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  padding: 12px 0 0;
  font-size: var(--cap); font-weight: 600;
  letter-spacing: var(--track-cap); text-transform: uppercase;
  color: var(--ink);
}
.mediacap span { color: var(--haze); }
.mediacap span::before { content: ""; }
.media__cap {
  position: absolute; left: 0; bottom: 0; z-index: 2;
  padding: 6px 10px;
  background: var(--paper); color: var(--ink);
  font-size: var(--cap); letter-spacing: var(--track-cap); text-transform: uppercase;
}

.gallery { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.gallery img { width: 100%; display: block; background: var(--paper-2); }

/* detail meta grid */
.detail__body {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: var(--gap);
  padding: clamp(36px, 5vw, 64px) 0;
}
.detail__text p { margin: 0 0 18px; max-width: 52ch; font-size: 16px; line-height: 1.62; }
.detail__text p:last-child { margin-bottom: 0; }
.detail__credit {
  margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line);
  font-size: 13px; line-height: 1.6; color: var(--haze); max-width: 52ch;
}
.spec { margin: 0; border-top: 1px solid var(--ink); }
.spec > div {
  display: grid; grid-template-columns: 92px 1fr; gap: 16px;
  padding: 11px 0; border-bottom: 1px solid var(--line);
}
.spec dt {
  margin: 0; font-size: var(--cap); font-weight: 500;
  letter-spacing: var(--track-cap); text-transform: uppercase; color: var(--haze);
}
.spec dd { margin: 0; font-size: 14px; line-height: 1.45; }
.spec a { border-bottom: 1px solid var(--line-2); }
.spec a:hover { color: var(--oxblood); border-color: var(--oxblood); }

/* prev / next / back */
.detail__nav {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; flex-wrap: wrap;
  padding: 28px 0 clamp(40px, 6vw, 80px);
  border-top: 1px solid var(--ink); margin-top: 8px;
}
.detail__nav a { font-size: 13px; letter-spacing: .01em; transition: color .25s ease; }
.detail__nav a:hover { color: var(--oxblood); }
.detail__nav .is-index { font-size: var(--cap); letter-spacing: var(--track-cap); text-transform: uppercase; color: var(--haze); }

@media (max-width: 780px) {
  .detail__body { grid-template-columns: 1fr; gap: 30px; }
}

/* ============================================================
   Footer
   ============================================================ */
.foot { padding: clamp(40px, 6vw, 80px) var(--pad) 40px; border-top: 1px solid var(--line); }
.foot__grid { display: grid; gap: 28px; }
.foot__mail {
  font-size: clamp(24px, 4.4vw, 52px);
  font-weight: 500; letter-spacing: -.02em; line-height: 1;
  width: fit-content;
  transition: color .3s ease;
}
.foot__mail:hover { color: var(--oxblood); }
.foot__links {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 22px;
  font-size: 12px; letter-spacing: .02em; text-transform: uppercase;
}
.foot__links a { color: var(--haze); transition: color .25s ease; }
.foot__links a:hover { color: var(--oxblood); }
.foot__legal {
  margin: 0; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: var(--cap); letter-spacing: var(--track-cap);
  text-transform: uppercase; color: var(--haze);
}

/* Fondazione-Prada-style footer bar: social icons left · wordmark right */
.foot__bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.foot__icons {
  list-style: none; margin: 0; padding: 0;
  display: flex; align-items: center; gap: 22px;
}
.foot__icons a { display: inline-flex; color: var(--ink); transition: color .2s ease; }
.foot__icons a:hover { color: var(--oxblood); }
.foot__icons svg { width: 22px; height: 22px; display: block; }
.foot__cv {
  font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  color: var(--haze); transition: color .2s ease; align-self: center;
}
.foot__cv:hover { color: var(--oxblood); }
.foot__wordmark {
  font-size: clamp(15px, 1.7vw, 21px); font-weight: 700;
  letter-spacing: -.02em; white-space: nowrap;
  transition: color .2s ease;
}
.foot__wordmark span { color: var(--haze); font-weight: 400; }
.foot__wordmark:hover { color: var(--oxblood); }
@media (max-width: 560px) {
  .foot__bar { gap: 22px; }
  .foot__wordmark { flex-basis: 100%; }
}

/* ============================================================
   Reveal — restrained, progressive (visible without JS)
   ============================================================ */
.js .reveal { opacity: 0; transform: translateY(12px); }
.js .reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.3,1);
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}