/* ============================================================
   泊築 BOXUU — 共用樣式 page-shell.css
   toteme 極簡編輯風（暖白高對比・直角・細體・大留白）
   內頁：about / booking 共用。class 結構不變，僅視覺層。
   ============================================================ */
:root{
  --bg:#FCFBF9;
  --surface:#F2EEE8;
  --paper:#FFFFFF;
  --ink:#211D18;
  --brand:#2A251F;
  --text:#514B42;
  --muted:#9A9187;
  --line:#E5E0D8;
  --line-soft:#EFEBE4;
  --hover:#000000;
  --radius:0px;
  --nav-h:70px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-h);-webkit-text-size-adjust:100%}
body{font-family:"Noto Sans TC","Inter",system-ui,sans-serif;font-weight:300;color:var(--ink);background:var(--bg);line-height:1.85;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.menu-open{overflow:hidden}
h1,h2,h3,p{margin:0}
h1,h2{font-weight:200;line-height:1.3;letter-spacing:.01em}
h3{font-weight:400;line-height:1.4;letter-spacing:.02em}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img{display:block;width:100%;height:auto}
.wrap{width:min(1240px,100%);margin:0 auto;padding-inline:24px}
.section{padding:clamp(72px,11vw,140px) 0}
.kicker{font-family:"Inter","Noto Sans TC",sans-serif;font-size:.68rem;font-weight:400;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.section-title{font-size:clamp(1.9rem,5.4vw,3.3rem);max-width:13em;letter-spacing:.02em}
.section-lead{color:var(--text);font-size:1rem;max-width:38em;margin-top:20px;font-weight:300}

/* buttons */
.btn{min-height:52px;border:1px solid transparent;border-radius:var(--radius);padding:14px 30px;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-weight:400;font-size:.9rem;letter-spacing:.08em;transition:background .3s ease,color .3s ease,border-color .3s ease}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--hover)}
.btn-secondary{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:#fff}
.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}

/* nav */
.nav{position:fixed;inset:0 0 auto;height:var(--nav-h);z-index:50;background:rgba(252,251,249,.94);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.nav-in{height:100%;min-width:0;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;height:100%}
.brand img{width:auto;height:40px}
.nav-links{display:none;align-items:center;gap:34px}
.nav-links a{font-size:.82rem;font-weight:400;letter-spacing:.14em;color:var(--text);transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--ink)}
.nav-links .nav-cta{color:#fff;background:var(--brand);border-radius:var(--radius);padding:10px 20px;letter-spacing:.1em;transition:background .3s ease}
.nav-links .nav-cta:hover{background:var(--hover);color:#fff}
.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:grid;place-items:center}
.menu-toggle:hover{background:var(--surface)}
.menu-icon{width:24px;display:grid;gap:6px}
.menu-icon i{display:block;height:1px;background:var(--ink);transition:transform .22s ease,opacity .22s ease}
.menu-toggle[aria-expanded="true"] .menu-icon i:first-child{transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .menu-icon i:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .menu-icon i:last-child{transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{position:fixed;z-index:49;inset:var(--nav-h) 0 0;display:grid;grid-template-columns:1fr min(84vw,380px);visibility:hidden;pointer-events:none}
.mobile-menu.is-open{visibility:visible;pointer-events:auto}
.mobile-menu-backdrop{border:0;background:rgba(33,29,24,.34);opacity:0;transition:opacity .22s ease}
.mobile-menu-panel{background:var(--paper);border-left:1px solid var(--line);padding:34px 26px calc(110px + env(safe-area-inset-bottom));transform:translateX(100%);transition:transform .22s ease;display:flex;flex-direction:column}
.mobile-menu.is-open .mobile-menu-backdrop{opacity:1}
.mobile-menu.is-open .mobile-menu-panel{transform:translateX(0)}
.mobile-menu-links{display:grid}
.mobile-menu-links a{display:flex;align-items:center;justify-content:space-between;padding:20px 2px;border-bottom:1px solid var(--line-soft);font-size:1rem;font-weight:300;letter-spacing:.06em}
.mobile-menu-links a:after{content:"→";color:var(--muted)}
.mobile-menu-note{font-size:.76rem;color:var(--muted);margin-top:auto;letter-spacing:.08em}

/* page hero（內頁共用） */
.page-hero{padding:calc(var(--nav-h) + 56px) 0 72px}
.page-hero-grid{display:grid;gap:40px;align-items:center}
.page-hero h1{font-size:clamp(2.3rem,8vw,4.4rem);max-width:11em;font-weight:200;letter-spacing:.03em;line-height:1.3}
.page-hero .section-lead{max-width:34em}
.hero-photo{height:48svh;min-height:340px;max-height:620px;border-radius:var(--radius);overflow:hidden;background:var(--surface);position:relative}
.hero-photo img{height:100%;object-fit:cover}
.hero-photo figcaption{position:absolute;inset:auto 16px 16px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-radius:var(--radius);padding:8px 14px;font-size:.72rem;letter-spacing:.06em;color:var(--text)}
.brand-relation{margin-top:28px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);display:flex;align-items:center;gap:14px;color:var(--text);font-size:.86rem}
.brand-relation i{font-style:normal;font-family:"Inter",sans-serif;font-size:.66rem;letter-spacing:.22em;color:var(--muted)}

/* story（about） */
.story{background:var(--paper)}
.story-grid{display:grid;gap:40px}
.story-copy{display:grid;gap:22px;color:var(--text);font-size:1rem;font-weight:300}
.story-copy strong{color:var(--ink);font-weight:400}
.problem-grid{display:grid;gap:0;width:min(1192px,calc(100% - 48px));margin:44px auto 0;padding-inline:0;border:1px solid var(--line)}
.problem-card{border:0;border-bottom:1px solid var(--line);padding:30px;background:transparent;min-height:auto}
.problem-card:last-child{border-bottom:0}
.problem-card small{font-family:"Inter",sans-serif;color:var(--muted);letter-spacing:.18em;font-size:.72rem}
.problem-card h3{font-size:1.18rem;font-weight:400;margin-top:20px}
.problem-card p{font-size:.9rem;color:var(--text);margin-top:10px;font-weight:300}

/* manifesto（about 收尾）→ toteme：淺色安靜段 */
.manifesto{background:var(--surface)}
.manifesto .kicker{color:var(--muted)}
.manifesto .section-lead{color:var(--text)}
.manifesto .btn-primary{background:var(--brand);color:#fff}
.manifesto .btn-primary:hover{background:var(--hover)}
.manifesto .btn-secondary{border-color:var(--ink);color:var(--ink)}
.manifesto .btn-secondary:hover{background:var(--ink);color:#fff}

/* booking */
.booking-hero{padding-bottom:46px}
.booking-layout{display:grid;gap:40px;padding-bottom:88px}
.booking-intro{padding-top:8px}
.booking-points{display:grid;gap:14px;margin-top:30px}
.booking-point{display:flex;align-items:flex-start;gap:12px;color:var(--text);font-size:.9rem;font-weight:300}
.booking-point i{flex:0 0 24px;width:24px;height:24px;border-radius:var(--radius);border:1px solid var(--line);display:grid;place-items:center;font-style:normal;font-size:.68rem;color:var(--ink)}
.booking-note{margin-top:30px;padding:18px 20px;border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:.84rem;font-weight:300}
.booking-form{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.form-grid{display:grid;gap:16px}
.field{display:grid;gap:8px}
.field label,.field legend{font-size:.8rem;font-weight:400;color:var(--ink);letter-spacing:.04em}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);padding:14px 15px;outline:none;font-weight:300;transition:border-color .2s,box-shadow .2s}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(33,29,24,.07)}
.field textarea{min-height:124px;resize:vertical}
.need-options{display:flex;flex-wrap:wrap;gap:8px;border:0}
.need-option{position:relative}
.need-option input{position:absolute;opacity:0;pointer-events:none}
.need-option span{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:9px 15px;font-size:.8rem;color:var(--text);background:var(--bg);transition:.2s;cursor:pointer;letter-spacing:.04em}
.need-option input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.need-option input:focus-visible+span{outline:3px solid rgba(33,29,24,.2);outline-offset:2px}
.form-row{display:grid;gap:16px}
.form-note{font-size:.72rem;color:var(--muted);margin-top:2px;font-weight:300}
.form-status{display:none;border-radius:var(--radius);padding:12px 15px;font-size:.82rem}
.form-status.show{display:block}
.form-status.success{background:#ECF1E9;color:#46603F}
.form-status.error{background:#F5E7E3;color:#8A453B}
.submit-btn{width:100%;margin-top:2px}
.submit-btn:disabled{opacity:.62;cursor:wait}
.website-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}

/* works */
.works-page-hero{padding-bottom:44px}
.works-page-hero h1{max-width:12em}
.works-gallery-section{padding:0 0 clamp(88px,10vw,140px)}
.works-filter-bar{position:sticky;top:var(--nav-h);z-index:20;background:rgba(252,251,249,.94);backdrop-filter:saturate(140%) blur(14px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.works-filter{display:flex;gap:8px;overflow-x:auto;padding-block:12px;scrollbar-width:none}
.works-filter::-webkit-scrollbar{display:none}
.works-filter-button{flex:0 0 auto;min-height:40px;padding:8px 17px;border:1px solid var(--line);background:transparent;color:var(--text);font-size:.8rem;letter-spacing:.06em;transition:background .2s,color .2s,border-color .2s}
.works-filter-button:hover{border-color:var(--ink);color:var(--ink)}
.works-filter-button[aria-pressed="true"],.works-filter-button[aria-current="page"]{background:var(--ink);border-color:var(--ink);color:#fff}
.works-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-bottom:28px;font-size:.72rem;color:var(--muted);letter-spacing:.04em}
.works-breadcrumb a{color:var(--text);border-bottom:1px solid transparent}
.works-breadcrumb a:hover{color:var(--ink);border-bottom-color:currentColor}
.works-gallery-topline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:34px 0 20px}
.works-gallery-count{font-size:.76rem;color:var(--muted);letter-spacing:.1em}
.works-gallery-grid{display:grid;gap:36px 20px}
.works-gallery-card[hidden]{display:none}
.works-gallery-open{width:100%;border:0;background:transparent;text-align:left}
.works-gallery-media{aspect-ratio:4/3;overflow:hidden;background:var(--surface)}
.works-gallery-media img{height:100%;object-fit:cover;transition:transform .5s ease}
.works-gallery-open:hover .works-gallery-media img{transform:scale(1.025)}
.works-gallery-meta{display:grid;gap:6px;padding-top:15px;border-top:1px solid var(--line);margin-top:12px}
.works-gallery-meta small{font-family:"Inter","Noto Sans TC",sans-serif;font-size:.66rem;color:var(--muted);letter-spacing:.16em}
.works-gallery-meta strong{font-size:1rem;font-weight:300;letter-spacing:.04em}
.works-card-category-link{display:inline-flex;margin-top:14px;padding-bottom:4px;border-bottom:1px solid currentColor;font-size:.76rem;color:var(--text);letter-spacing:.05em}
.works-card-category-link:hover{color:var(--ink)}
.works-empty{padding:70px 0;text-align:center;color:var(--muted)}
.works-seo-section{padding:clamp(72px,9vw,120px) 0 calc(clamp(96px,11vw,150px) + 24px);border-top:1px solid var(--line);background:var(--surface)}
.works-seo-grid{display:grid;gap:46px}
.works-seo-grid h2{margin-top:14px;font-size:clamp(1.8rem,5vw,3rem);font-weight:200;letter-spacing:.02em}
.works-seo-grid p{max-width:42em;margin-top:22px;color:var(--text);font-size:.95rem;line-height:1.9}
.works-planning-list{display:grid;gap:0;list-style:none;border-top:1px solid var(--line)}
.works-planning-list li{position:relative;padding:16px 12px 16px 34px;border-bottom:1px solid var(--line);color:var(--text);font-size:.86rem;line-height:1.7}
.works-planning-list li:before{content:"✓";position:absolute;left:8px;color:var(--ink)}
.works-seo-cta{margin-top:28px;margin-right:18px}
.works-category-links{display:grid;border-top:1px solid var(--line)}
.works-category-links a{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 2px;border-bottom:1px solid var(--line);transition:padding .2s,color .2s}
.works-category-links a:hover{padding-left:10px;color:var(--ink)}
.works-category-links span{font-size:1.05rem;font-weight:300}
.works-category-links small{font-family:"Inter",sans-serif;font-size:.62rem;color:var(--muted);letter-spacing:.12em}
.works-lightbox{width:min(1120px,calc(100% - 32px));max-width:none;height:min(88svh,820px);max-height:none;margin:auto;padding:0;border:1px solid var(--line);background:var(--bg);color:var(--ink);overflow:hidden}
.works-lightbox::backdrop{background:rgba(33,29,24,.72);backdrop-filter:blur(5px)}
.works-lightbox:not([open]){display:none}
.works-lightbox-shell{height:100%;display:grid;grid-template-rows:auto minmax(0,1fr) auto;padding:16px}
.works-lightbox-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 0 12px}
.works-lightbox-copy{display:grid;gap:3px;min-width:0}
.works-lightbox-category{font-family:"Inter","Noto Sans TC",sans-serif;font-size:.66rem;color:var(--muted);letter-spacing:.16em}
.works-lightbox-title{font-size:1rem;font-weight:300}
.works-lightbox-description{font-size:.78rem;line-height:1.65;color:var(--text);font-weight:300;max-width:60em}
.works-lightbox-close{flex:0 0 42px;width:42px;height:42px;border:1px solid var(--line);background:var(--bg);font-size:1.25rem;line-height:1}
.works-lightbox-close:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.works-lightbox-image-wrap{min-height:0;background:var(--surface);display:grid;place-items:center;overflow:hidden;padding:12px}
.works-lightbox-image{width:100%;height:100%;min-width:0;min-height:0;max-width:100%;max-height:100%;object-fit:contain}
.works-lightbox-controls{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;padding-top:12px}
.works-lightbox-nav{width:46px;height:42px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:1.05rem}
.works-lightbox-nav:hover{background:var(--ink)}
.works-lightbox-nav:hover{color:#fff;border-color:var(--ink)}
.works-lightbox-prev{justify-self:start}
.works-lightbox-next{justify-self:end}
.works-lightbox-count{padding:5px 10px;color:var(--text);font-family:"Inter",sans-serif;font-size:.66rem;letter-spacing:.14em}

/* footer */
.footer{padding:40px 0 calc(88px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}
.footer-in{display:flex;flex-direction:column;gap:20px}
.footer-brand img{width:auto;height:42px}
.footer-links{display:flex;flex-wrap:wrap;gap:20px;font-size:.76rem;letter-spacing:.06em;color:var(--text)}
.footer-links a:hover{color:var(--ink)}
.footer-copy{font-size:.72rem;color:var(--muted);letter-spacing:.06em}

/* mobile 快速操作列 */
.mobile-bar{position:fixed;z-index:45;left:12px;right:12px;bottom:calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 10px 34px rgba(33,29,24,.12);backdrop-filter:blur(14px)}
.mobile-bar .btn{min-height:44px;padding:9px 12px;font-size:.8rem}

@media(min-width:760px){
  :root{--nav-h:80px}
  .wrap{padding-inline:44px}
  .section{padding:clamp(96px,10vw,140px) 0}
  .brand img{height:44px}
  .nav-links{display:flex}
  .menu-toggle,.mobile-menu{display:none}
  .page-hero{padding:calc(var(--nav-h) + 84px) 0 110px}
  .page-hero-grid{grid-template-columns:.96fr 1.04fr;gap:80px}
  .hero-photo{height:min(66svh,640px)}
  .story-grid{grid-template-columns:.8fr 1.2fr;gap:90px}
  .problem-grid{grid-template-columns:repeat(3,1fr);width:min(1152px,calc(100% - 88px));margin-inline:auto;padding-inline:0;border:1px solid var(--line)}
  .problem-card{border:0;border-right:1px solid var(--line);padding:34px}
  .problem-card:last-child{border-right:0}
  .booking-layout{grid-template-columns:.78fr 1.22fr;gap:90px;padding-bottom:120px;align-items:start}
  .booking-form{padding:36px}
  .form-row{grid-template-columns:1fr 1fr}
  .works-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:52px 24px}
  .works-filter{padding-block:14px}
  .works-gallery-topline{margin-top:48px}
  .works-lightbox-shell{padding:20px}
  .works-seo-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:90px;align-items:start}
  .footer{padding:44px 0}
  .footer-in{flex-direction:row;align-items:center;justify-content:space-between}
  .mobile-bar{display:none}
}
@media(max-width:430px){
  .page-hero h1{font-size:2.3rem}
  .section{padding:64px 0}
  .hero-photo{height:44svh;min-height:320px}
  .works-page-hero{padding-bottom:32px}
  .works-gallery-media{aspect-ratio:1/1}
  .works-lightbox{width:calc(100% - 16px);height:calc(100svh - 16px)}
  .works-lightbox-shell{padding:12px}
  .works-lightbox-head{align-items:flex-start}
  .works-lightbox-description{font-size:.72rem;line-height:1.55}
  .works-lightbox-nav{width:40px;height:40px}
  .works-lightbox-image-wrap{padding:8px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}