/* ─────────────────────────────────────────────────────────────
   The Charles Style — 共用樣式
   字體：全黑體(無襯線) Inter + Noto Sans TC,整體偏細
   色彩：白底 + 低調灰;照片低飽和(--img-filter,想鮮明改 none)
   雙語：html[data-lang="en"] 顯示英文(由 script.js 切換)
   ───────────────────────────────────────────────────────────── */
:root{
  --bg:#ffffff;
  --ink:#1b1b1b;
  --body:#6e6e6e;
  --muted:#a6a6a6;
  --faint:#d4d4d4;
  --line:#e9e9e9;
  --paper:#f4f4f4;
  --sans:'Inter','Noto Sans TC','Helvetica Neue','PingFang TC',Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --img-filter:none;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-weight:300;font-size:14px;line-height:1.75;
  letter-spacing:.01em;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{display:block;width:100%;height:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
.eyebrow{font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);font-weight:400}

/* 內容照片：低飽和 */
.shot img,.tile img,.entry img,.film-thumb img,.about-portrait img{filter:var(--img-filter)}

/* ── Nav ───────────────────────────────── */
header.nav{position:fixed;top:0;left:0;right:0;z-index:60;background:rgba(255,255,255,0);
  transition:background .5s var(--ease),box-shadow .5s var(--ease),padding .5s var(--ease);padding:24px 0}
header.nav.scrolled{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);box-shadow:0 1px 0 var(--line);padding:15px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between}
.brand{font-size:16px;letter-spacing:.2em;font-weight:400;text-transform:uppercase;white-space:nowrap}
.brand small{font-size:9px;letter-spacing:.24em;color:var(--muted);display:block;margin-top:3px;font-weight:300}
.menu{display:flex;gap:32px;align-items:center}
.menu a{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);position:relative;padding:4px 0;font-weight:400}
.menu a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--ink);transition:width .4s var(--ease)}
.menu a:hover::after,.menu a.active::after{width:100%}
.lang-toggle{background:none;border:0;cursor:pointer;font-family:var(--sans);font-size:11px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--muted);font-weight:400;padding:4px 0 4px 30px;position:relative}
.lang-toggle::before{content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);width:1px;height:13px;background:var(--line)}
.lang-toggle:hover{color:var(--ink)}
.burger{display:none;width:28px;height:16px;position:relative;cursor:pointer;background:none;border:0}
.burger span{position:absolute;left:0;height:1px;width:100%;background:var(--ink);transition:.4s var(--ease)}
.burger span:nth-child(1){top:0}.burger span:nth-child(2){top:7px}.burger span:nth-child(3){top:14px}
body.menu-open .burger span:nth-child(1){top:7px;transform:rotate(45deg)}
body.menu-open .burger span:nth-child(2){opacity:0}
body.menu-open .burger span:nth-child(3){top:7px;transform:rotate(-45deg)}

/* ── Hero ──────────────────────────────── */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;padding:120px 0 80px}
.hero-grid{display:grid;grid-template-columns:1fr .82fr;gap:64px;align-items:center;width:100%}
.hero-type .eyebrow{margin-bottom:24px}
.hero-type h1{font-weight:200;font-size:clamp(40px,6vw,76px);line-height:1;letter-spacing:.02em}
.hero-type h1 em{font-style:normal;font-weight:300;color:var(--muted)}
.hero-type .han{font-weight:300;font-size:clamp(14px,1.7vw,18px);letter-spacing:.16em;margin-top:22px;color:var(--ink)}
.hero-type p.lede{max-width:32em;margin-top:24px;color:var(--body);font-size:14px;line-height:1.9;font-weight:300}
.hero-cta{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{margin-top:32px;display:flex;gap:30px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.hero-frame{position:relative}
.shot{aspect-ratio:4/5;overflow:hidden;background:var(--paper)}
.shot img{transition:transform 1.4s var(--ease)}
.hero-frame:hover .shot img{transform:scale(1.04)}
.hero-frame figcaption{position:absolute;bottom:-13px;left:-13px;background:var(--bg);padding:11px 17px;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--body);border:1px solid var(--line)}

/* 按鈕 */
.btn{display:inline-block;background:var(--ink);color:#fff;border:0;cursor:pointer;font-family:var(--sans);
  font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;font-weight:400;padding:14px 30px;
  transition:opacity .4s var(--ease),transform .4s var(--ease)}
.btn:hover{opacity:.82;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--ink);opacity:1}

/* ── Sections ──────────────────────────── */
section{padding:112px 0;position:relative}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:50px;flex-wrap:wrap}
.sec-head h2{font-weight:300;font-size:clamp(24px,3.2vw,40px);line-height:1.1;letter-spacing:.01em}
.sec-head h2 .num{display:block;font-size:10.5px;letter-spacing:.28em;color:var(--muted);margin-bottom:14px;font-weight:400}
.sec-head .aside{max-width:24em;color:var(--body);font-size:13px;line-height:1.85;font-weight:300}

/* 首頁作品入口(保留樣式備用) */
.work-entries{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.entry{position:relative;display:block;overflow:hidden;background:var(--paper);aspect-ratio:1/1}
.entry .shot{aspect-ratio:1/1}
.entry .ov{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;
  background:linear-gradient(to top,rgba(20,18,15,.5),rgba(20,18,15,0) 60%);color:#fff}
.entry .ov .en{font-size:10px;letter-spacing:.3em;text-transform:uppercase;opacity:.85}
.entry .ov .zh{font-size:clamp(22px,3vw,34px);font-weight:300;line-height:1.05;margin-top:6px}
.entry .ov .arrow{margin-top:10px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;opacity:.9}

/* ── Page header ───────────────────────── */
.page-head{padding:150px 0 10px}
.page-head .eyebrow{margin-bottom:18px}
.page-head h1{font-weight:200;font-size:clamp(34px,5vw,60px);line-height:1.02;letter-spacing:.02em}
.page-head h1 em{font-style:normal;font-weight:300;color:var(--muted)}
.page-head p{max-width:34em;margin-top:18px;color:var(--body);font-size:14px;line-height:1.9;font-weight:300}

/* ── Filters ───────────────────────────── */
.filters{display:flex;gap:28px;align-items:center;margin:44px 0 36px;border-bottom:1px solid var(--line)}
.filters button{background:none;border:0;cursor:pointer;font-family:var(--sans);font-size:11px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);font-weight:400;padding:0 0 14px;position:relative;transition:color .3s var(--ease)}
.filters button::after{content:"";position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--ink);transition:width .35s var(--ease)}
.filters button:hover,.filters button.active{color:var(--ink)}
.filters button.active::after{width:100%}

/* ── Masonry gallery ───────────────────── */
.masonry{column-count:3;column-gap:22px}
@media(max-width:900px){.masonry{column-count:2}}
@media(max-width:560px){.masonry{column-count:1}}
.tile{break-inside:avoid;margin-bottom:22px;position:relative;overflow:hidden;background:var(--paper);cursor:pointer}
.tile img{transition:transform 1.1s var(--ease),filter .6s var(--ease)}
.tile:hover img{transform:scale(1.04)}
.tile .cap{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:20px;opacity:0;
  transition:opacity .5s var(--ease);background:linear-gradient(to top,rgba(20,18,15,.55),rgba(20,18,15,0) 55%);color:#fff}
.tile:hover .cap{opacity:1}
.tile .cap .t{font-size:15px;font-weight:400;line-height:1.2}
.tile .cap .s{font-size:10px;letter-spacing:.18em;text-transform:uppercase;opacity:.85;margin-top:5px;font-weight:400}
.tile.hide{display:none}

/* ── Films grid ────────────────────────── */
.films{display:grid;grid-template-columns:1fr 1fr;gap:30px 24px}
@media(max-width:720px){.films{grid-template-columns:1fr}}
.film{display:block}
.film-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper)}
.film-thumb img{transition:transform 1.2s var(--ease)}
.film:hover .film-thumb img{transform:scale(1.04)}
.film-thumb .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;
  background:rgba(255,255,255,.9);display:flex;align-items:center;justify-content:center;transition:transform .4s var(--ease),background .4s var(--ease)}
.film:hover .film-thumb .play{transform:translate(-50%,-50%) scale(1.08);background:#fff}
.film-thumb .play::after{content:"";margin-left:4px;border-style:solid;border-width:8px 0 8px 14px;border-color:transparent transparent transparent var(--ink)}
.film-thumb .badge{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.9);color:var(--ink);
  font-size:9px;letter-spacing:.18em;text-transform:uppercase;padding:5px 10px;font-weight:400}
.film-meta{padding:16px 2px 0}
.film-meta .t{font-size:18px;font-weight:300;line-height:1.2}
.film-meta .s{font-size:11px;color:var(--body);margin-top:6px;font-weight:300}

/* ── About ─────────────────────────────── */
.about{background:var(--paper)}
.about-grid{display:grid;grid-template-columns:.8fr 1fr;gap:64px;align-items:center}
.about-portrait{aspect-ratio:3/4;overflow:hidden;background:#eceae5}
.about-portrait img{transition:transform 1.4s var(--ease)}
.about-portrait:hover img{transform:scale(1.04)}
.about-body h2{font-weight:300;font-size:clamp(24px,3.2vw,38px);line-height:1.12;margin-bottom:22px}
.about-body p{color:var(--body);font-size:14px;line-height:1.95;margin-bottom:16px;max-width:36em;font-weight:300}
.about-body p .drop{color:var(--ink);font-weight:400}
.facts{display:flex;gap:48px;margin-top:34px;flex-wrap:wrap}
.facts .f .n{font-size:30px;line-height:1;font-weight:200}
.facts .f .l{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:8px;font-weight:400}
.sign{font-size:18px;font-weight:300;letter-spacing:.04em;margin-top:30px;color:var(--ink)}

/* ── Contact ───────────────────────────── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-lead h2{font-weight:200;font-size:clamp(30px,4.4vw,52px);line-height:1.04}
.contact-lead .em{font-size:clamp(17px,2.2vw,22px);margin-top:24px;display:inline-block;font-weight:300;
  border-bottom:1px solid var(--line);padding-bottom:5px;transition:border-color .4s var(--ease)}
.contact-lead .em:hover{border-color:var(--ink)}
.socials{display:flex;gap:24px;margin-top:30px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:400}
.socials a:hover{color:var(--ink)}
form .field{position:relative;margin-bottom:26px}
form label{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:8px;font-weight:400}
form input,form textarea{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;font-family:var(--sans);
  font-size:14px;color:var(--ink);padding:7px 0;font-weight:300;transition:border-color .4s var(--ease)}
form input:focus,form textarea:focus{outline:0;border-color:var(--ink)}
form textarea{resize:vertical;min-height:84px}

/* ── Footer ────────────────────────────── */
footer{border-top:1px solid var(--line);padding:42px 0}
.foot-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot-inner .b{font-size:14px;letter-spacing:.2em;text-transform:uppercase;font-weight:400}
.foot-inner .c{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:300}
.foot-nav{display:flex;gap:22px;font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:400}
.foot-nav a:hover{color:var(--ink)}
.to-top{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);cursor:pointer;background:none;border:0;font-weight:400;font-family:var(--sans)}
.to-top:hover{color:var(--ink)}

/* ── Reveal ────────────────────────────── */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ── Lightbox ──────────────────────────── */
.lightbox{position:fixed;inset:0;z-index:120;background:rgba(247,246,243,.97);display:flex;align-items:center;justify-content:center;
  padding:5vh 5vw;opacity:0;pointer-events:none;transition:opacity .5s var(--ease)}
.lightbox.on{opacity:1;pointer-events:auto}
.lightbox img{max-width:100%;max-height:90vh;width:auto;height:auto;box-shadow:0 30px 80px rgba(20,18,15,.16)}
.lb-close{position:absolute;top:26px;right:32px;background:none;border:0;cursor:pointer;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);font-family:var(--sans);font-weight:400}
.lb-cap{position:absolute;bottom:30px;left:0;right:0;text-align:center;font-size:13px;letter-spacing:.04em;color:var(--ink);font-weight:300}

/* ── 雙語顯示控制 ──────────────────────── */
[data-en]{} /* 文字由 script.js 依語言切換 */

/* ── Mobile ────────────────────────────── */
@media(max-width:860px){
  .wrap{padding:0 24px}
  .burger{display:block}
  .menu{position:fixed;inset:0;background:var(--bg);flex-direction:column;justify-content:center;gap:26px;
    transform:translateY(-100%);transition:transform .6s var(--ease);z-index:55}
  body.menu-open .menu{transform:none}
  .menu a{font-size:16px;letter-spacing:.14em}
  .lang-toggle{font-size:14px;padding-left:0}
  .lang-toggle::before{display:none}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-frame{max-width:360px}
  .work-entries{grid-template-columns:1fr;gap:16px}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .about-portrait{max-width:340px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .page-head{padding-top:128px}
  section{padding:78px 0}
}