/* ============================================================
   林振龍陶藝 · LIN CHEN-LONG FINE ART
   Quiet gallery layout. Palette from the kiln:
   white glaze ground, celadon accent, a touch of copper red.
   ============================================================ */

:root {
  --bg: #FBFAF7;             /* 白釉 */
  --bg-soft: #F3F1EB;
  --bg-deep: #EDEBE4;
  --ink: #23221E;            /* 天目 */
  --ink-soft: #4A4842;
  --muted: #83807A;
  --line: #E4E1D8;
  --line-strong: #CFCBC0;
  --celadon: #7FA195;        /* 青瓷 */
  --celadon-deep: #4F7566;
  --celadon-pale: #E6EEEA;
  --celadon-mist: #F1F5F3;
  --copper: #9A3F2F;         /* 銅紅 */
  --serif-zh: "Noto Serif TC", "Songti TC", "PMingLiU", serif;
  --serif-en: "Cormorant Garamond", "Georgia", serif;
  --sans: "Noto Sans TC", "PingFang TC", "Helvetica Neue", Arial, sans-serif;
  --maxw: 1180px;
  --gutter: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif-zh);
  font-size: 16.5px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; transition: color .2s ease, border-color .2s ease, opacity .2s ease; }
a:hover { color: var(--celadon-deep); }
a:focus-visible { outline: 2px solid var(--celadon-deep); outline-offset: 4px; }
::selection { background: var(--celadon-pale); }

.en-text, .latin { font-family: var(--serif-en); }
.eyebrow {
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--celadon-deep);
  display: block;
  margin-bottom: 14px;
}
.eyebrow.zh { letter-spacing: 0.4em; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 250, 247, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  gap: 16px 32px;
  flex-wrap: wrap;
}
.brand { line-height: 1.2; color: var(--ink); }
.brand .zh { font-size: 1.3rem; letter-spacing: 0.22em; font-weight: 600; display: block; }
.brand .en {
  display: block;
  font-family: var(--serif-en);
  font-size: 0.78rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
}
.brand:hover { color: var(--ink); }
.brand:hover .en { color: var(--celadon-deep); }

nav.main-nav {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 24px;
  font-family: var(--sans);
  font-size: 0.86rem;
  letter-spacing: 0.12em;
}
nav.main-nav a {
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
nav.main-nav a:hover { color: var(--celadon-deep); }
nav.main-nav a.active { color: var(--ink); border-bottom-color: var(--celadon); }
.lang-switch {
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 5px 14px;
}
.lang-switch:hover { color: var(--celadon-deep); border-color: var(--celadon); }

/* ---------- layout ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 56px var(--gutter) 96px; }
main.wide { max-width: none; padding-left: 0; padding-right: 0; padding-top: 0; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }

/* page title */
.page-head { margin: 0 0 44px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }
.page-head h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3.2vw, 2.25rem);
  font-weight: 500;
  letter-spacing: 0.2em;
  line-height: 1.3;
}
.page-head h1 .en { letter-spacing: 0.06em; }
.page-head .lead {
  margin: 14px 0 0;
  max-width: 680px;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* section title */
.section-title { display: flex; align-items: baseline; gap: 18px; margin: 0 0 28px; }
.section-title h2 { margin: 0; font-size: 1.35rem; font-weight: 500; letter-spacing: 0.2em; }
.section-title .sub {
  font-family: var(--serif-en);
  font-size: 0.92rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-title .count {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- hero (home) ---------- */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: calc(100vh - 82px);
  border-bottom: 1px solid var(--line);
}
.hero-img {
  margin: 0;
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}
.hero-img img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.hero-img figcaption {
  position: absolute;
  left: 22px;
  bottom: 18px;
  font-family: var(--sans);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.78);
  text-shadow: 0 1px 10px rgba(0,0,0,0.5);
}
.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 8vw, 110px) clamp(28px, 6vw, 90px);
  background: var(--bg);
}
.hero-title {
  margin: 0 0 28px;
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.15;
}
.hero-title .en {
  display: block;
  font-family: var(--serif-en);
  font-weight: 500;
  font-size: 0.42em;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-top: 14px;
}
.hero-text p { margin: 0; max-width: 480px; color: var(--ink-soft); font-size: 1.02rem; }
.hero-actions { margin-top: 36px; display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
.btn-line {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--ink);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ink);
}
.btn-line:hover { color: var(--celadon-deep); border-color: var(--celadon-deep); }
.seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 1.5px solid var(--copper);
  color: var(--copper);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  line-height: 1.15;
  writing-mode: vertical-rl;
  padding: 3px;
  user-select: none;
  margin-left: auto;
}

/* home sections */
.home-section { padding: clamp(64px, 9vw, 120px) 0 0; }
.home-section:last-child { padding-bottom: clamp(64px, 9vw, 120px); }
.series-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.series-card { margin: 0; }
.series-card a { display: block; }
.series-card .frame {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-deep);
}
.series-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.series-card a:hover img { transform: scale(1.03); }
.series-card figcaption { margin-top: 14px; }
.series-card .name { font-size: 1.05rem; letter-spacing: 0.16em; }
.series-card .name-en {
  display: block;
  font-family: var(--serif-en);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 2px;
}
.home-quote {
  margin: 0;
  padding: clamp(52px, 7vw, 90px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.home-quote p {
  margin: 0 auto 18px;
  max-width: 760px;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  letter-spacing: 0.06em;
  line-height: 1.9;
}
.home-quote cite { font-family: var(--sans); font-style: normal; font-size: 0.8rem; letter-spacing: 0.14em; color: var(--muted); }

.home-about {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.home-about img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.home-about h2 { margin: 0 0 18px; font-size: 1.6rem; font-weight: 500; letter-spacing: 0.18em; }
.home-about p { margin: 0 0 1.2em; color: var(--ink-soft); }

.home-exh { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.home-exh .item { padding: 26px 28px 26px 0; border-bottom: 1px solid var(--line); }
.home-exh .year { font-family: var(--serif-en); font-size: 1.5rem; color: var(--celadon-deep); letter-spacing: 0.04em; display: block; }
.home-exh .title { display: block; font-size: 1.05rem; letter-spacing: 0.12em; margin-top: 4px; }
.home-exh .venue { display: block; font-family: var(--sans); font-size: 0.8rem; color: var(--muted); margin-top: 4px; letter-spacing: 0.04em; }

/* ---------- prose ---------- */
.prose { max-width: 740px; }
.prose p { margin: 0 0 1.5em; }
.prose h3 {
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  margin: 2.4em 0 0.9em;
  color: var(--celadon-deep);
}
.prose h3::before { content: ""; display: inline-block; width: 18px; height: 1px; background: var(--celadon); margin-right: 12px; vertical-align: middle; }
.byline { font-family: var(--sans); font-size: 0.84rem; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 1.8em; }

/* about */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 3fr);
  gap: clamp(36px, 6vw, 90px);
  align-items: start;
}
.portrait { margin: 0; position: sticky; top: 110px; }
.portrait img { width: 100%; }
.portrait figcaption { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.08em; color: var(--muted); margin-top: 12px; }
.cv { margin-top: 56px; border-top: 1px solid var(--line); }
.cv dl { margin: 0; }
.cv dt {
  font-family: var(--sans);
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  color: var(--celadon-deep);
  padding-top: 32px;
  margin-bottom: 14px;
}
.cv dd { margin: 0; }
.cv ul { list-style: none; margin: 0; padding: 0; }
.cv li { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.cv li .y { font-family: var(--serif-en); font-size: 1.02rem; color: var(--muted); letter-spacing: 0.04em; }
.cv li.plain { display: block; }
.cv li .venue { color: var(--muted); font-size: 0.92rem; margin-left: 10px; }

/* ---------- works ---------- */
.series-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: -10px 0 56px;
  font-family: var(--sans);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}
.series-nav a {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 6px 16px;
  color: var(--ink-soft);
}
.series-nav a:hover { border-color: var(--celadon); color: var(--celadon-deep); background: var(--celadon-mist); }
.series-block { padding-top: 18px; margin-bottom: clamp(64px, 8vw, 110px); scroll-margin-top: 96px; }
.series-block .section-title { margin-bottom: 34px; }
.series-block .note { margin: -22px 0 30px; max-width: 640px; color: var(--muted); font-size: 0.92rem; }

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px 28px;
  align-items: start;
}
.work { margin: 0; }
.work a.frame {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 5;
  background: var(--bg-deep);
  overflow: hidden;
  padding: 6%;
}
.work img { max-width: 100%; max-height: 100%; width: auto; height: auto; transition: opacity .3s ease; }
.work a:hover img { opacity: 0.92; }
.work figcaption { margin-top: 12px; line-height: 1.6; }
.work .title { display: block; font-size: 0.98rem; letter-spacing: 0.1em; color: var(--ink); }
.work .meta {
  display: block;
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 3px;
}
.work .meta .sep { margin: 0 8px; color: var(--line-strong); }
.work .meta .tbd { color: var(--copper); opacity: 0.7; }

/* archive page: uniform poster frames, grey at rest, colour on hover */
.poster-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.poster-grid .work a.frame { aspect-ratio: 3 / 4; background: var(--bg-soft); padding: 7%; }
.poster-grid .work img { box-shadow: 0 1px 14px rgba(35,34,30,0.12); }
.archive .work img {
  filter: grayscale(1);
  opacity: 0.85;
  transition: filter .45s ease, opacity .45s ease, box-shadow .45s ease;
}
.archive .work a:hover img,
.archive .work a:focus-visible img { filter: none; opacity: 1; }
@media (hover: none) { .archive .work img { filter: none; opacity: 1; } }
@media (max-width: 860px) { .poster-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .poster-grid { grid-template-columns: 1fr 1fr; } }
.archive .cv dt { display: none; }
.archive .cv li { grid-template-columns: 72px 1fr; }

/* posters and book covers: even grid, natural ratio */
.works-grid.natural { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 36px 28px; }
.works-grid.natural .work { margin: 0; }
.works-grid.natural .work a { background: transparent; }
.works-grid.natural .work img { border: 1px solid var(--line); }

/* ---------- essays (media page) ---------- */
.video-item { max-width: 900px; margin-bottom: 56px; }
.video-item:last-child { margin-bottom: 0; }
.video-title { margin: 16px 0 4px; font-size: 1.12rem; letter-spacing: 0.1em; }
.video-title .year { font-family: var(--serif-en); color: var(--celadon-deep); margin-right: 14px; letter-spacing: 0.08em; }
.video-item .byline { margin-bottom: 0; max-width: 720px; }
.video-wrap { position: relative; padding-top: 56.25%; background: #000; max-width: 900px; }
.video-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.essay-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); max-width: 860px; }
.essay-list li { padding: 34px 0; border-bottom: 1px solid var(--line); }
.essay-list .year {
  font-family: var(--serif-en);
  font-size: 1.05rem;
  letter-spacing: 0.1em;
  color: var(--celadon-deep);
  display: block;
  margin-bottom: 6px;
}
.essay-list .year .approx { font-family: var(--sans); font-size: 0.7rem; color: var(--muted); margin-left: 8px; letter-spacing: 0.1em; }
.essay-list h3 { margin: 0 0 6px; font-size: 1.28rem; font-weight: 500; letter-spacing: 0.12em; line-height: 1.5; }
.essay-list h3 a:hover { color: var(--celadon-deep); }
.essay-list .byline { margin-bottom: 14px; }
.essay-list p.summary { margin: 0 0 14px; color: var(--ink-soft); max-width: 720px; }
.essay-list .more { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.2em; color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 3px; }
.essay-list .more:hover { color: var(--celadon-deep); border-color: var(--celadon-deep); }

/* essay page */
.essay-head { max-width: 760px; margin-bottom: 44px; }
.essay-head h1 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 500; letter-spacing: 0.12em; line-height: 1.55; margin: 0 0 18px; }
.essay-head .byline { margin: 0; }
.essay-head .byline .year { font-family: var(--serif-en); margin-left: 14px; font-size: 1rem; color: var(--celadon-deep); }
.essay-body { font-size: 1.02rem; line-height: 2.05; }
.essay-body p { text-align: justify; }
.essay-foot { margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.16em; }

/* essay extras */
.essay-head .source { margin: 8px 0 0; font-family: var(--sans); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.04em; }
.essay-body .verse { padding-left: 1.5em; border-left: 1px solid var(--celadon); line-height: 2.1; color: var(--ink-soft); }
.essay-body .note { font-size: 0.84rem; color: var(--muted); margin: 0 0 0.6em; line-height: 1.7; text-align: left; }
.press-scan { margin: 48px 0 0; max-width: 440px; }
.press-scan img { border: 1px solid var(--line); }
.press-scan figcaption { font-family: var(--sans); font-size: 0.76rem; color: var(--muted); margin-top: 8px; }
.essay-nav { display: flex; justify-content: space-between; gap: 24px; margin-top: 18px; font-size: 0.92rem; letter-spacing: 0.04em; max-width: 740px; }
.essay-nav a { color: var(--ink-soft); max-width: 48%; }
.essay-nav a:hover { color: var(--celadon-deep); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; max-width: 900px; }
.contact-table { border-collapse: collapse; font-size: 1.02rem; width: 100%; }
.contact-table th {
  text-align: left;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.74rem;
  letter-spacing: 0.3em;
  color: var(--celadon-deep);
  padding: 18px 32px 18px 0;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  vertical-align: top;
}
.contact-table td { padding: 18px 0; border-bottom: 1px solid var(--line); }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); }
.footer-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 34px var(--gutter) 40px;
  font-family: var(--sans);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  justify-content: space-between;
}
.footer-inner a:hover { color: var(--celadon-deep); }

/* ---------- lightbox ---------- */
dialog.lightbox { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; margin: 0; }
dialog.lightbox::backdrop { background: rgba(22, 22, 20, 0.94); }
.lb-inner { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 64px 28px; cursor: zoom-out; }
dialog.lightbox img { max-width: 100%; max-height: calc(100vh - 130px); width: auto; height: auto; box-shadow: 0 30px 80px rgba(0,0,0,0.5); }
.lb-caption { color: #D9D6CD; font-family: var(--sans); font-size: 0.82rem; letter-spacing: 0.1em; text-align: center; padding-top: 16px; min-height: 40px; }
.lb-caption .t { font-family: var(--serif-zh); font-size: 0.98rem; color: #F2F0EA; margin-right: 14px; }
.lb-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: none; border: 0; color: #D9D6CD; font-size: 2rem; line-height: 1; padding: 20px; cursor: pointer; font-family: var(--serif-en); opacity: 0.7;
}
.lb-btn:hover { opacity: 1; color: #fff; }
.lb-prev { left: 8px; } .lb-next { right: 8px; }
.lb-close { position: absolute; top: 14px; right: 18px; background: none; border: 0; color: #D9D6CD; font-size: 1.6rem; cursor: pointer; padding: 10px; opacity: 0.7; }
.lb-close:hover { opacity: 1; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .works-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .series-strip { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-img { aspect-ratio: 4 / 3; }
  .hero-text { padding: 44px var(--gutter) 56px; }
  .about-grid, .home-about, .contact-grid { grid-template-columns: 1fr; }
  .portrait { position: static; max-width: 420px; }
  .about-grid .portrait { order: -1; }
  .brand { margin-right: auto; }
  .lang-switch { order: 1; }
  nav.main-nav { order: 2; margin-left: 0; width: 100%; gap: 2px 18px; font-size: 0.82rem; }
  .header-inner { padding-top: 14px; padding-bottom: 10px; gap: 10px 16px; }
  .series-strip { grid-template-columns: 1fr 1fr; }
  .lb-inner { padding: 40px 16px 20px; }
  .lb-btn { padding: 12px 6px; font-size: 1.6rem; }
}
@media (max-width: 560px) {
  .works-grid { grid-template-columns: 1fr; }
  .series-strip { grid-template-columns: 1fr; }
  .cv li { grid-template-columns: 70px 1fr; }
}