/* =========================================================
   Julia Lu — 盧婷宜  |  Museum-minimal artist site
   Aesthetic: white, quiet, generous whitespace, hairlines
   ========================================================= */

:root{
  --bg:#ffffff;
  --bg-soft:#faf9f6;
  --ink:#1a1a1a;
  --ink-soft:#6b6862;
  --ink-faint:#9b978e;
  --line:#e7e4dd;
  --line-strong:#d8d4ca;
  --placeholder:#f2f1ec;
  --max:1240px;
  --font-display:"Cormorant Garamond","Noto Serif TC",Georgia,"Songti TC","Times New Roman",serif;
  --font-body:-apple-system,BlinkMacSystemFont,"Helvetica Neue","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
  --ease:cubic-bezier(.4,0,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---- bilingual visibility ---- */
body[data-lang="en"] [lang="zh"]{display:none}
body[data-lang="zh"] [lang="en"]{display:none}

/* ---- layout helpers ---- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}
.eyebrow{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-faint);font-weight:400;
}
.serif{font-family:var(--font-display)}

/* =========================================================
   Header
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line)}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:22px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:baseline;gap:12px;line-height:1}
.brand-name{font-family:var(--font-display);font-size:26px;letter-spacing:.02em}
.brand-zh{font-size:15px;color:var(--ink-faint);letter-spacing:.18em}
.nav{display:flex;align-items:center;gap:34px}
.nav a{
  font-size:13.5px;letter-spacing:.06em;color:var(--ink-soft);
  position:relative;padding:4px 0;transition:color .25s var(--ease);
}
.nav a:hover,.nav a.active{color:var(--ink)}
.nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--ink);
}
.lang-toggle{
  font-size:12.5px;letter-spacing:.12em;color:var(--ink-soft);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
  transition:all .25s var(--ease);
}
.lang-toggle:hover{color:var(--ink);border-color:var(--ink)}
.menu-btn{display:none;width:30px;height:30px}
.menu-btn span{display:block;height:1.5px;background:var(--ink);margin:6px 0;transition:.3s var(--ease)}

/* =========================================================
   Views (SPA sections)
   ========================================================= */
.view{display:none;animation:fade .6s var(--ease)}
.view.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.section-head{padding:64px 0 12px}
.section-head h2{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(34px,5vw,52px);letter-spacing:.01em;line-height:1.1;
}
.section-head .zh-title{font-size:clamp(28px,4vw,40px)}
.section-sub{margin-top:14px;color:var(--ink-soft);max-width:60ch}

/* =========================================================
   Home / hero
   ========================================================= */
.hero{
  min-height:calc(100vh - 86px);
  display:flex;flex-direction:column;justify-content:center;
  padding:80px 0 60px;
}
.hero .concept{
  font-family:var(--font-display);font-weight:500;
  font-size:clamp(52px,11vw,128px);line-height:1.02;letter-spacing:.04em;
}
.hero .concept-zh{letter-spacing:.14em}
.hero .concept-en{font-style:italic;color:var(--ink)}
.hero .role{margin-top:30px}
.hero .statement{
  margin-top:26px;max-width:54ch;font-size:clamp(17px,2vw,20px);
  color:#33312d;line-height:1.85;font-weight:400;
}
.hero .scroll-cue{
  margin-top:54px;display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--ink-soft);
  background:none;transition:gap .3s var(--ease),color .3s var(--ease);
}
.hero .scroll-cue:hover{gap:18px;color:var(--ink)}

/* featured strip */
.featured{padding:30px 0 100px;border-top:1px solid var(--line);margin-top:20px}
.featured .eyebrow{display:block;margin-bottom:34px}
.featured-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:40px 36px;
}
@media(max-width:860px){.featured-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.featured-grid{grid-template-columns:1fr}}

/* =========================================================
   Works gallery
   ========================================================= */
.filters{
  display:flex;flex-wrap:wrap;gap:8px 10px;
  padding:30px 0 38px;border-bottom:1px solid var(--line);margin-bottom:48px;
}
.filter{
  font-size:13.5px;letter-spacing:.04em;color:var(--ink-soft);
  padding:8px 16px;border:1px solid var(--line);border-radius:999px;
  transition:all .25s var(--ease);white-space:nowrap;
}
.filter:hover{border-color:var(--line-strong);color:var(--ink)}
.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.series-intro{
  max-width:72ch;margin:0 0 50px;color:#3a3833;font-size:16.5px;line-height:1.9;
}
.series-intro .si-name{
  font-family:var(--font-display);font-size:24px;color:var(--ink);
  display:block;margin-bottom:14px;
}

/* masonry */
.works-grid{column-count:3;column-gap:36px}
@media(max-width:900px){.works-grid{column-count:2;column-gap:28px}}
@media(max-width:560px){.works-grid{column-count:1}}
.work{break-inside:avoid;margin:0 0 42px;cursor:pointer;display:block;width:100%;text-align:left}
.work-img{
  position:relative;width:100%;background:var(--placeholder);overflow:hidden;
}
.work-img img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .7s var(--ease),transform .9s var(--ease);
}
.work-img img.loaded{opacity:1}
.work:hover .work-img img.loaded{transform:scale(1.03)}
.ph{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
}
.ph::after{
  content:"";width:26px;height:26px;border:1px solid #cfcabf;border-radius:50%;
}
.work-cap{padding:16px 2px 0}
.work-cap .t{font-family:var(--font-display);font-size:21px;line-height:1.25;color:var(--ink)}
.work-cap .m{margin-top:5px;font-size:13px;color:var(--ink-faint);letter-spacing:.02em}
.work-cap .collected{color:var(--ink-soft)}

/* =========================================================
   About
   ========================================================= */
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px;padding:20px 0 110px}
@media(max-width:840px){.about-grid{grid-template-columns:1fr;gap:40px}}
.about-photo{position:relative;background:var(--placeholder);aspect-ratio:4/5}
.about-photo .ph::after{width:34px;height:34px}
.about-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-body .concept-line{
  font-family:var(--font-display);font-size:clamp(30px,4vw,46px);
  font-weight:500;line-height:1.15;letter-spacing:.03em;margin-bottom:8px;
}
.about-body .concept-en{font-style:italic;color:var(--ink-soft);font-size:.5em;display:block;letter-spacing:.04em;margin-top:10px}
.about-body p{margin-top:22px;color:#33312d;line-height:1.95}
.about-body .lead{font-size:18.5px}

/* =========================================================
   Exhibitions / CV
   ========================================================= */
.cv{padding:20px 0 120px;max-width:880px}
.cv-block{padding:34px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:200px 1fr;gap:24px}
.cv-block:first-child{border-top:none}
@media(max-width:640px){.cv-block{grid-template-columns:1fr;gap:12px}}
.cv-block h3{
  font-family:var(--font-display);font-weight:500;font-size:22px;color:var(--ink);
}
.cv-list{list-style:none}
.cv-list li{display:flex;gap:20px;padding:9px 0;font-size:16px;color:#33312d}
.cv-list .yr{flex:0 0 64px;color:var(--ink-faint);font-variant-numeric:tabular-nums;font-size:14.5px;padding-top:1px}
.cv-empty{color:var(--ink-faint);font-style:italic}

/* =========================================================
   Contact
   ========================================================= */
.contact{padding:40px 0 130px;max-width:680px}
.contact .lead{font-size:clamp(20px,3vw,28px);font-family:var(--font-display);line-height:1.4;color:var(--ink);margin-bottom:36px}
.contact .email-line{font-size:20px;margin-bottom:8px}
.contact .email-line a{border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:border-color .25s}
.contact .email-line a:hover{border-color:var(--ink)}
.contact .email-empty{color:var(--ink-faint);font-style:italic;font-size:16px}
.social{list-style:none;margin-top:40px;border-top:1px solid var(--line)}
.social li{border-bottom:1px solid var(--line)}
.social a{display:flex;align-items:center;justify-content:space-between;padding:18px 2px;color:var(--ink-soft);transition:color .25s,padding .3s var(--ease)}
.social a:hover{color:var(--ink);padding-left:10px}
.social .arr{font-size:14px}

/* =========================================================
   Footer
   ========================================================= */
.site-footer{border-top:1px solid var(--line);padding:46px 0;color:var(--ink-faint);font-size:13px;letter-spacing:.04em}
.footer-inner{max-width:var(--max);margin:0 auto;padding:0 40px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px}

/* =========================================================
   Lightbox
   ========================================================= */
.lightbox{
  position:fixed;inset:0;z-index:100;background:rgba(20,19,17,.96);
  display:none;opacity:0;transition:opacity .35s var(--ease);
}
.lightbox.open{display:block;opacity:1}
.lb-stage{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:78px 96px 150px}
.lb-figure{max-width:100%;max-height:100%;display:flex;align-items:center;justify-content:center}
.lb-figure img{max-width:100%;max-height:calc(100vh - 230px);object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lb-ph{width:min(60vw,520px);aspect-ratio:4/5;background:#26241f;display:flex;align-items:center;justify-content:center}
.lb-ph::after{content:"";width:40px;height:40px;border:1px solid #4a463f;border-radius:50%}
.lb-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 40px 34px;
  color:#e9e5dd;text-align:center;
}
.lb-cap .t{font-family:var(--font-display);font-size:26px;line-height:1.2}
.lb-cap .t .en{font-style:italic}
.lb-cap .meta{margin-top:8px;font-size:13.5px;letter-spacing:.04em;color:#a8a399}
.lb-cap .meta .dot{margin:0 8px;opacity:.5}
.lb-close,.lb-nav{
  position:absolute;color:#cfcabf;display:flex;align-items:center;justify-content:center;
  transition:color .25s,background .25s;border-radius:50%;
}
.lb-close{top:24px;right:30px;width:46px;height:46px;font-size:26px}
.lb-close:hover{color:#fff}
.lb-nav{top:50%;transform:translateY(-50%);width:58px;height:58px;font-size:30px}
.lb-prev{left:24px}.lb-next{right:24px}
.lb-nav:hover{color:#fff}
.lb-counter{position:absolute;top:30px;left:40px;color:#8a857b;font-size:13px;letter-spacing:.14em;font-variant-numeric:tabular-nums}
.lb-svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.4;fill:none}
@media(max-width:680px){
  .lb-stage{padding:64px 16px 150px}
  .lb-nav{width:46px;height:46px}.lb-prev{left:6px}.lb-next{right:6px}
  .lb-cap{padding:20px 18px 26px}
}

/* =========================================================
   Mobile nav
   ========================================================= */
@media(max-width:760px){
  .wrap,.header-inner,.footer-inner{padding-left:22px;padding-right:22px}
  .menu-btn{display:block}
  .nav{
    position:fixed;inset:0;background:#fff;flex-direction:column;justify-content:center;
    gap:30px;transform:translateX(100%);transition:transform .4s var(--ease);z-index:60;
  }
  .nav.open{transform:none}
  .nav a{font-size:22px;font-family:var(--font-display)}
  .nav a.active::after{display:none}
  .lang-toggle{position:fixed;bottom:48px;left:50%;transform:translateX(-50%);z-index:61}
  .menu-btn{z-index:62;position:relative}
  .menu-btn.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .menu-btn.open span:nth-child(2){opacity:0}
  .menu-btn.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
}

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