/* ========================================================================
   通徠藝術門 TONG LAI DOORS — 方案一 精品極簡藝廊 共用樣式
   (行動裝置強化版：觸控目標、捲動鎖定、hover 防護、對比度、效能)
   ======================================================================== */
:root{
  --bg:#f5f3f0;
  --surface:#ffffff;
  --ink:#1c1b19;
  --muted:#6e6960;
  --line:#e5e0d9;
  --accent:#9c1c1c;
  --serif:"Noto Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","Microsoft JhengHei","微軟正黑體",sans-serif;
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;font-weight:300}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
[id]{scroll-margin-top:96px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(245,243,240,.85);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.site-header.scrolled{border-color:var(--line);background:rgba(245,243,240,.95)}
.nav{display:flex;align-items:center;justify-content:space-between;height:80px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{height:46px;width:auto}
.brand .brand-tx{font-family:var(--serif);font-weight:600;font-size:19px;letter-spacing:.06em}
.brand .brand-en{display:block;font-family:var(--sans);font-weight:400;font-size:10px;letter-spacing:.32em;color:var(--muted)}
.menu{display:flex;align-items:center;gap:38px;list-style:none}
.menu a{font-size:15px;letter-spacing:.04em;color:var(--ink);position:relative;padding:6px 0;transition:color .2s;touch-action:manipulation}
.menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);transition:width .3s}
.menu a.active{color:var(--accent)}
.menu .tel{font-family:var(--serif);font-weight:600;color:var(--accent);border:1px solid var(--accent);border-radius:2px;padding:8px 16px}
.menu .tel::after{display:none}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;min-width:44px;min-height:44px;align-items:center;justify-content:center;touch-action:manipulation}
.burger span{width:24px;height:2px;background:var(--ink);transition:.3s}

/* ===== Hero (home) ===== */
.hero{padding:70px 0 90px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero .eyebrow{font-size:12px;letter-spacing:.42em;color:var(--muted);text-transform:uppercase;margin-bottom:26px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(44px,6vw,76px);line-height:1.08;letter-spacing:.03em}
.hero h1 .en{display:block;font-size:15px;font-weight:400;letter-spacing:.5em;color:var(--muted);margin-top:20px;font-family:var(--sans)}
.hero .lead{margin-top:30px;font-size:17px;color:#4a4741;max-width:30em}
.hero .rule{width:52px;height:2px;background:var(--accent);margin:34px 0}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}
.btn{display:inline-block;font-size:15px;letter-spacing:.06em;padding:14px 30px;border-radius:2px;transition:.25s;touch-action:manipulation}
.btn-solid{background:var(--ink);color:#fff}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.hero-figure{position:relative;background:var(--surface);border:1px solid var(--line);box-shadow:0 30px 70px -30px rgba(28,27,25,.35);padding:26px}
.hero-figure img{width:100%;aspect-ratio:1/1;object-fit:contain}
.hero-figure .tag{position:absolute;left:0;bottom:26px;background:var(--accent);color:#fff;font-size:13px;letter-spacing:.12em;padding:8px 18px}

/* ===== Page hero (inner) ===== */
.page-hero{padding:56px 0 30px;text-align:center}
.breadcrumb{font-size:13px;letter-spacing:.08em;color:var(--muted);margin-bottom:18px}
.breadcrumb span{margin:0 8px;color:var(--muted)}
.page-hero h1{font-family:var(--serif);font-weight:600;font-size:clamp(32px,4.4vw,50px);letter-spacing:.08em;line-height:1.25}
.page-hero .en{font-size:12px;letter-spacing:.42em;color:var(--muted);text-transform:uppercase;margin-top:14px}
.page-hero .rule{width:52px;height:2px;background:var(--accent);margin:26px auto 0}

/* ===== Section head ===== */
.section{padding:96px 0}
.section-pad{padding:40px 0 96px}
.section-head{text-align:center;margin-bottom:56px}
.section-head .kicker{font-size:12px;letter-spacing:.42em;color:var(--muted);text-transform:uppercase;margin-bottom:16px}
.section-head h2{font-family:var(--serif);font-weight:600;font-size:clamp(30px,4vw,42px);letter-spacing:.05em;line-height:1.3}
.section-head .sub{color:var(--muted);margin-top:14px;font-size:15px}

/* ===== Gallery (home category grid) ===== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{background:var(--surface);border:1px solid var(--line);transition:box-shadow .35s,transform .35s;touch-action:manipulation}
.card .thumb{overflow:hidden;background:#fff;aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;padding:22px}
.card .thumb img{width:100%;height:100%;object-fit:contain;transition:transform .6s ease}
.card .meta{padding:22px 24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.card .meta h3{font-family:var(--serif);font-weight:500;font-size:20px;letter-spacing:.06em}
.card .meta .arrow{color:var(--muted);font-size:20px;transition:.25s}

/* ===== Shots (inner gallery, lightbox) ===== */
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.shot{background:var(--surface);border:1px solid var(--line);cursor:zoom-in;transition:box-shadow .35s,transform .35s;touch-action:manipulation}
.shot-img{overflow:hidden;background:#fff;aspect-ratio:4/5;display:flex;align-items:center;justify-content:center;padding:22px}
.shot-img img{width:100%;height:100%;object-fit:contain;transition:transform .6s ease}
.shot-cap{padding:16px 20px;border-top:1px solid var(--line);text-align:center;font-size:14px;letter-spacing:.08em;color:#4a4741}
.shot:only-child{grid-column:1/-1;justify-self:center;width:min(100%,380px)}
.shots.docs .shot-img{aspect-ratio:3/4;padding:14px}
.empty-note{text-align:center;color:var(--muted);padding:40px 0}

/* ===== Prev / next category ===== */
.pager{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);margin-top:70px;padding-top:34px}
.pager a{font-size:15px;color:var(--muted);transition:.2s;touch-action:manipulation}
.pager a.disabled{opacity:.35;pointer-events:none}
.pager .lbl{display:block;font-size:11px;letter-spacing:.3em;text-transform:uppercase;margin-bottom:6px}
.pager .nm{font-family:var(--serif);font-size:19px;color:var(--ink)}
.pager .next{text-align:right}

/* ===== Intro page (公司簡介) ===== */
.prose{max-width:44em;margin:0 auto;font-size:17px;line-height:2.1;color:#3c3935;text-align:center}
.prose .lede{font-family:var(--serif);font-size:clamp(21px,2.6vw,26px);font-weight:500;line-height:1.9;color:var(--ink);margin-bottom:28px;letter-spacing:.04em;text-wrap:balance}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:64px}
.value{background:var(--surface);border:1px solid var(--line);padding:38px 30px;text-align:center}
.value .no{font-family:var(--serif);font-size:15px;letter-spacing:.3em;color:var(--accent);margin-bottom:16px}
.value h3{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.08em;margin-bottom:12px}
.value p{font-size:15px;color:var(--muted);line-height:1.9}
.chips{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.chips span{border:1px solid var(--line);background:var(--surface);color:#4a4741;font-size:14px;letter-spacing:.06em;padding:9px 20px;border-radius:2px}
.cta-band{text-align:center;border-top:1px solid var(--line);margin-top:48px;padding-top:40px}
.cta-band p{color:var(--muted);margin-bottom:24px;font-size:15px;letter-spacing:.06em}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* ===== About ===== */
.about{background:var(--ink);color:#efe9e1}
.about .section-head h2{color:#fff}
.about .section-head .kicker{color:#b9b1a6}
.about p.body{max-width:44em;margin:0 auto;text-align:center;font-size:18px;line-height:2;color:#d9d2c8;font-weight:300}
.services{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:44px}
.services span{border:1px solid #3a3833;color:#cfc7bc;font-size:14px;letter-spacing:.06em;padding:9px 20px;border-radius:2px}
.about-more{text-align:center;margin-top:40px}
.about-more a{color:#b9b1a6;font-size:15px;letter-spacing:.1em;border-bottom:1px solid #3a3833;padding-bottom:6px;transition:.25s}
@media (hover:hover) and (pointer:fine){
  .about-more a:hover{color:#fff;border-color:#fff}
}

/* ===== Contact / footer ===== */
.contact{text-align:center}
.contact .info{display:flex;justify-content:center;gap:56px;flex-wrap:wrap;margin-top:10px}
.contact .info .item{text-align:center}
.contact .info .lbl{font-size:12px;letter-spacing:.32em;color:var(--muted);text-transform:uppercase;margin-bottom:8px}
.contact .info .val{font-family:var(--serif);font-size:22px}
.contact .info .val a{color:var(--accent)}
.site-footer{border-top:1px solid var(--line);padding:34px 0;text-align:center;color:var(--muted);font-size:13px;letter-spacing:.05em}
.site-footer img{height:34px;margin:0 auto 14px}

/* ===== Lightbox ===== */
.lb{position:fixed;inset:0;z-index:100;background:rgba(20,19,17,.96);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility 0s .3s;touch-action:pan-y pinch-zoom;overscroll-behavior:contain}
.lb.open{opacity:1;visibility:visible;transition:opacity .3s,visibility 0s 0s}
.lb-stage{max-width:90vw;max-height:82vh;max-height:82dvh;display:flex;align-items:center;justify-content:center}
.lb-stage img{max-width:90vw;max-height:82vh;max-height:82dvh;object-fit:contain;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}
.lb-cap{position:absolute;bottom:30px;left:0;right:0;text-align:center;color:#e8e3da;font-size:15px;letter-spacing:.1em;pointer-events:none}
.lb-counter{position:absolute;top:28px;left:0;right:0;text-align:center;color:#b9b1a6;font-size:13px;letter-spacing:.2em;pointer-events:none}
.lb-btn{position:absolute;top:50%;transform:translateY(-50%);width:56px;height:56px;border:1px solid rgba(255,255,255,.3);background:rgba(0,0,0,.2);color:#fff;font-size:22px;cursor:pointer;border-radius:50%;transition:.2s;display:flex;align-items:center;justify-content:center;touch-action:manipulation}
.lb-prev{left:28px}
.lb-next{right:28px}
.lb-close{position:absolute;top:22px;right:26px;width:44px;height:44px;border:0;background:none;color:#fff;font-size:30px;cursor:pointer;line-height:1;opacity:.8;transition:.2s;touch-action:manipulation}
.lb-single .lb-btn,.lb-single .lb-counter{display:none}

/* ===== Small utility text: Noto Sans TC Light 在 ≤15px 筆畫會糊，用 400 ===== */
.shot-cap,.chips span,.services span,.section-head .sub,.breadcrumb,.site-footer{font-weight:400}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Hover (real-pointer devices only — prevents sticky hover on touch) ===== */
@media (hover:hover) and (pointer:fine){
  .menu a:hover{color:var(--accent)}
  .menu a:hover::after{width:100%}
  .menu .tel:hover{background:var(--accent);color:#fff}
  .btn-solid:hover{background:var(--accent)}
  .btn-ghost:hover{border-color:var(--ink)}
  .breadcrumb a:hover{color:var(--accent)}
  .card:hover{box-shadow:0 24px 50px -24px rgba(28,27,25,.4);transform:translateY(-4px)}
  .card:hover .thumb img{transform:scale(1.05)}
  .card:hover .meta h3{color:var(--accent)}
  .card:hover .meta .arrow{color:var(--accent);transform:translateX(4px)}
  .shot:hover{box-shadow:0 24px 50px -24px rgba(28,27,25,.4);transform:translateY(-4px)}
  .shot:hover .shot-img img{transform:scale(1.05)}
  .pager a:hover{color:var(--accent)}
  .pager a:hover .nm{color:var(--accent)}
  .lb-btn:hover{background:var(--accent);border-color:var(--accent)}
  .lb-close:hover{opacity:1;transform:rotate(90deg)}
}

/* ===== Responsive ===== */
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-figure{order:-1;max-width:440px;width:100%;justify-self:center}
  .gallery,.shots{grid-template-columns:repeat(2,1fr);gap:20px}
  .menu{position:fixed;inset:80px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:10px 0;transform:translateY(-140%);visibility:hidden;transition:transform .35s,visibility 0s .35s;box-shadow:0 20px 40px -20px rgba(0,0,0,.25);max-height:calc(100vh - 80px);max-height:calc(100dvh - 80px);overflow-y:auto;-webkit-overflow-scrolling:touch}
  .menu.open{transform:none;visibility:visible;transition:transform .35s,visibility 0s 0s}
  .menu li{width:100%;text-align:center}
  .menu li a{display:block;padding:16px}
  .menu .tel{margin:12px auto;display:inline-block}
  .burger{display:flex}
  .lb-btn{width:44px;height:44px;font-size:18px}
  .lb-prev{left:10px}.lb-next{right:10px}
}
@media(max-width:900px){
  .values{grid-template-columns:1fr;gap:18px}
}
@media(max-width:520px){
  .gallery,.shots{grid-template-columns:1fr}
  .contact .info{gap:30px}
  .contact .info .val{font-size:18px}
  .section{padding-top:56px;padding-bottom:66px}
  .section-pad{padding-top:24px;padding-bottom:66px}
  .prose .lede br{display:none}
  .cta-band{margin-top:32px;padding-top:28px}
}