/* ==========================================================================
   TAKA METAL — 前台樣式
   設計方向：工程圖紙（blueprint）語彙 + 深藍鋼色主調
   簽名元素：髮絲網格、卡片角標刻度、等寬字型號標籤、章節下方量測刻線
   ========================================================================== */

:root{
  --ink:#0B1520;
  --blue-900:#052A4E;
  --blue-800:#083A6B;
  --blue-700:#0C4E8F;   /* 主色 */
  --blue-500:#1B79C4;
  --cyan-300:#57C3E6;   /* 點綴：玻璃／光 */
  --steel-50:#F3F7FB;
  --steel-100:#E7EEF5;
  --line:#D3DEE9;
  --muted:#5B6B7C;
  --white:#fff;

  --display:"Barlow Condensed","Oswald","Arial Narrow",system-ui,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
  --body:"Inter",system-ui,-apple-system,"Segoe UI","PingFang TC","Hiragino Sans TC","Noto Sans TC","Microsoft JhengHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;

  --wrap:1280px;
  --gap:24px;
  --radius:2px;
  --shadow:0 1px 2px rgba(8,58,107,.06),0 8px 28px rgba(8,58,107,.08);
  --header-h:112px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:16px;line-height:1.62;color:var(--ink);background:var(--white);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2px solid var(--blue-500);outline-offset:2px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--blue-700);color:#fff;padding:8px 14px}
.wrap{width:min(100% - 40px,var(--wrap));margin-inline:auto}
.mono{font-family:var(--mono);font-size:.76rem;letter-spacing:.06em;text-transform:uppercase}

/* ---------------------------------------------------------------- header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.topbar{background:var(--blue-900);color:#C9DEF0}
.topbar-in{display:flex;justify-content:space-between;align-items:center;gap:16px;
  height:34px;font-size:.76rem;letter-spacing:.03em}
.topbar-note{opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-links{display:flex;gap:18px;flex:0 0 auto}
.topbar-links a:hover{color:var(--cyan-300)}

.bar{display:flex;align-items:center;gap:24px;height:78px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-logo{height:42px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-family:var(--display);font-weight:700;font-size:1.42rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--blue-900)}
.brand-tag{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}

.mainnav{display:flex;gap:26px;margin-inline-start:8px}
.mainnav a{font-family:var(--display);font-size:1.05rem;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--blue-900);padding:6px 0;position:relative}
.mainnav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--blue-700);transition:right .25s ease}
.mainnav a:hover::after,.mainnav a.is-active::after{right:0}

.bar-tools{margin-inline-start:auto;display:flex;align-items:center;gap:14px}
.searchbox{position:relative;display:flex;align-items:center;background:var(--steel-50);
  border:1px solid var(--line);height:40px;min-width:280px}
.searchbox input{flex:1;border:0;background:transparent;padding:0 12px;font-size:.9rem}
.searchbox input:focus{outline:none}
.searchbox button{border:0;background:var(--blue-700);color:#fff;width:44px;height:100%;cursor:pointer;
  display:grid;place-items:center;transition:background .2s}
.searchbox button:hover{background:var(--blue-800)}
.suggest{position:absolute;top:calc(100% + 4px);left:0;right:0;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);list-style:none;margin:0;padding:4px;max-height:340px;overflow:auto;z-index:60}
.suggest li a{display:flex;justify-content:space-between;gap:10px;padding:8px 10px;font-size:.9rem}
.suggest li a:hover,.suggest li a:focus{background:var(--steel-50)}
.suggest .s-sku{font-family:var(--mono);font-size:.7rem;color:var(--muted)}

.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);color:var(--blue-900)}
.icon-btn:hover{border-color:var(--blue-700);color:var(--blue-700)}
.langswitch{display:flex;border:1px solid var(--line);height:40px}
.langswitch a{display:grid;place-items:center;padding:0 12px;font-family:var(--mono);font-size:.72rem;
  letter-spacing:.08em;color:var(--muted)}
.langswitch a.is-on{background:var(--blue-900);color:#fff}
.burger{display:none;margin-inline-start:auto;width:44px;height:40px;border:1px solid var(--line);
  background:none;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger span{width:20px;height:2px;background:var(--blue-900);transition:.25s}

/* ---------------------------------------------------------------- buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  font-family:var(--display);font-weight:600;font-size:1rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid transparent;cursor:pointer;transition:.22s ease;border-radius:var(--radius)}
.btn-primary{background:var(--blue-700);color:#fff}
.btn-primary:hover{background:var(--blue-900)}
.btn-ghost{border-color:var(--line);color:var(--blue-900);background:#fff}
.btn-ghost:hover{border-color:var(--blue-700);color:var(--blue-700)}
.btn-light{background:#fff;color:var(--blue-900)}
.btn-light:hover{background:var(--cyan-300)}
.btn-sm{height:38px;padding:0 16px;font-size:.86rem}
.btn-block{display:flex;width:100%}

/* ---------------------------------------------------------------- hero */
.hero{position:relative;background:var(--blue-900);color:#fff;overflow:hidden;isolation:isolate}
.hero-grid{position:absolute;inset:0;z-index:1;opacity:.22;
  background-image:linear-gradient(rgba(87,195,230,.5) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(87,195,230,.5) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(90deg,#000 0%,transparent 62%)}
.hero-track{position:relative;z-index:2}
.slide{display:none;position:relative;min-height:min(560px,72vh)}
.slide.is-on{display:block}
.slide-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.slide-in{position:relative;z-index:3;display:flex;flex-direction:column;justify-content:center;gap:14px;
  min-height:min(560px,72vh);padding:60px 0;max-width:820px}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.22em;color:var(--cyan-300);margin:0;
  text-transform:uppercase}
.eyebrow::before{content:"";display:inline-block;width:28px;height:1px;background:var(--cyan-300);
  vertical-align:middle;margin-inline-end:10px}
.slide-title{font-family:var(--display);font-weight:700;line-height:1.02;letter-spacing:.01em;
  font-size:clamp(2.4rem,6vw,4.6rem);margin:0;text-transform:uppercase}
.slide-sub{font-size:1.06rem;max-width:56ch;color:#D8E7F4;margin:0}
.slide-in .btn{align-self:flex-start;margin-top:10px}
.hero-dots{position:relative;z-index:4;display:flex;gap:8px;padding-bottom:22px;margin-top:-42px}
.hero-dots button{width:26px;height:3px;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.hero-dots button.is-on{background:var(--cyan-300)}

/* ---------------------------------------------------------------- sections */
.band{padding:76px 0}
.band-tint{background:var(--steel-50)}
.band-dark{background:var(--blue-900);color:#fff}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.sec-head.mt{margin-top:48px}
.sec-title{font-family:var(--display);font-weight:700;font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:.05em;
  text-transform:uppercase;margin:0;position:relative;padding-bottom:12px}
.sec-title.sm{font-size:1.35rem}
/* 簽名：量測刻線 */
.sec-title::after{content:"";position:absolute;left:0;bottom:0;width:120px;height:7px;
  background-image:linear-gradient(90deg,currentColor 1px,transparent 1px);background-size:12px 100%;
  border-bottom:1px solid currentColor;opacity:.55}
.sec-sub{color:var(--muted);margin:0}
.band-dark .sec-sub{color:#AFC9E0}
.sec-link{font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;color:var(--blue-700)}
.band-dark .sec-link{color:var(--cyan-300)}

/* ---------------------------------------------------------------- category grid */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.cat{position:relative;display:block;background:#fff;border:1px solid var(--line);padding:0 0 20px;
  transition:.25s ease}
.cat:hover{border-color:var(--blue-700);transform:translateY(-3px);box-shadow:var(--shadow)}
.cat-media{display:block;position:relative;aspect-ratio:4/3;background:var(--steel-100);overflow:hidden}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.cat:hover .cat-media img{transform:scale(1.04)}
/* 簽名：角標刻度 */
.tick{position:absolute;inset:8px auto auto 8px;width:14px;height:14px;
  border-top:2px solid var(--cyan-300);border-left:2px solid var(--cyan-300)}
.cat-no{display:block;padding:14px 18px 0;color:var(--blue-500)}
.cat-name{display:block;padding:2px 18px 0;font-family:var(--display);font-size:1.22rem;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase}
.cat-sum{display:block;padding:4px 18px 0;color:var(--muted);font-size:.88rem}

/* ---------------------------------------------------------------- stats */
.stats{background:var(--blue-800);color:#fff}
.stats-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:20px;padding:36px 0}
.stat{display:flex;flex-direction:column;gap:2px;border-inline-start:2px solid var(--cyan-300);padding-inline-start:16px}
.stat-val{font-family:var(--display);font-size:2.1rem;font-weight:700;line-height:1}
.stat-label{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;color:#B7D2E8;text-transform:uppercase}

/* ---------------------------------------------------------------- product cards */
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.pcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);transition:.25s ease}
.pcard:hover{border-color:var(--blue-700);box-shadow:var(--shadow);transform:translateY(-3px)}
.pcard-media{display:block;aspect-ratio:1/1;background:var(--steel-50);overflow:hidden}
.pcard-media img{width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply}
.pcard-noimg{display:block;width:100%;height:100%;
  background:repeating-linear-gradient(45deg,var(--steel-100) 0 10px,var(--steel-50) 10px 20px)}
.pcard-body{display:flex;flex-direction:column;gap:4px;padding:16px 18px 20px;border-top:1px solid var(--line)}
.sku{color:var(--blue-500)}
.pcard-title{font-family:var(--display);font-size:1.16rem;font-weight:600;letter-spacing:.03em;line-height:1.25}
.pcard-sub{color:var(--muted);font-size:.86rem}
.pcard-meta{color:var(--muted);margin-top:6px}

/* ---------------------------------------------------------------- projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.proj-grid.wide{grid-template-columns:repeat(3,1fr)}
.proj{display:flex;flex-direction:column;gap:8px}
.proj-media{display:block;aspect-ratio:16/11;background:var(--steel-100);overflow:hidden;position:relative}
.proj-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.proj:hover .proj-media img{transform:scale(1.05)}
.proj-meta{color:var(--blue-500);margin-top:10px}
.band-dark .proj-meta{color:var(--cyan-300)}
.proj-title{font-family:var(--display);font-size:1.3rem;font-weight:600;letter-spacing:.03em}
.proj-sum{color:var(--muted);font-size:.9rem}

/* ---------------------------------------------------------------- catalogues */
.cat-books{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.book{display:flex;flex-direction:column;gap:8px}
.book-cover{aspect-ratio:3/4;background:#0A3763;overflow:hidden;box-shadow:var(--shadow)}
.book-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.book:hover .book-cover img{transform:translateY(-4px)}
.book-title{font-family:var(--display);font-size:1.1rem;font-weight:600;margin-top:8px}
.book-meta{color:#9FC0DC}

.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px var(--gap);padding:48px 0 80px}
.bookcard{display:flex;flex-direction:column;gap:6px}
.bookcard-cover{position:relative;display:block;aspect-ratio:3/4;background:var(--steel-100);
  box-shadow:var(--shadow);overflow:hidden}
.bookcard-cover img{width:100%;height:100%;object-fit:cover}
.bookcard-spine{position:absolute;inset:0 auto 0 0;width:8px;
  background:linear-gradient(90deg,rgba(0,0,0,.25),transparent)}
.bookcard-title{font-family:var(--display);font-size:1.2rem;font-weight:600;margin:12px 0 0}
.bookcard-meta{color:var(--muted)}
.bookcard-desc{color:var(--muted);font-size:.88rem;margin:4px 0 0}
.bookcard-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

/* ---------------------------------------------------------------- page head */
.pagehead{background:var(--steel-50);border-bottom:1px solid var(--line);padding:44px 0 34px;
  background-size:cover;background-position:center}
.pagehead.has-hero{background-color:var(--blue-900);color:#fff;padding:96px 0 72px;
  background-blend-mode:multiply}
.crumbs{color:var(--muted);display:flex;gap:6px;margin-bottom:10px}
.crumbs a:hover{color:var(--blue-700)}
.crumbs.light{color:#A9C6DF}
.crumbs-row{padding:20px 0 0}
.page-title{font-family:var(--display);font-weight:700;font-size:clamp(2rem,4.4vw,3.2rem);letter-spacing:.04em;
  text-transform:uppercase;margin:0}
.page-sub{color:var(--muted);margin:8px 0 0;max-width:70ch}
.pagehead.has-hero .page-sub{color:#CFE1EF}

/* ---------------------------------------------------------------- listing layout */
.layout{display:grid;grid-template-columns:250px 1fr;gap:44px;padding:40px 0 80px;align-items:start}
.side{position:sticky;top:calc(var(--header-h) + 16px);border-inline-start:2px solid var(--blue-700);padding-inline-start:18px}
.side-title{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--muted);margin:0 0 12px;text-transform:uppercase}
.side-link{display:block;padding:7px 0;font-size:.95rem;color:var(--ink);border-bottom:1px dashed var(--line)}
.side-link:hover{color:var(--blue-700)}
.side-link.is-on{color:var(--blue-700);font-weight:600}
.side-sub{padding-inline-start:14px;font-size:.9rem;color:var(--muted)}
.listbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px;
  padding-bottom:12px;border-bottom:1px solid var(--line);color:var(--muted)}
.sortform{display:flex;align-items:center;gap:8px}
.sortform select{border:1px solid var(--line);background:#fff;height:34px;padding:0 8px}
.empty{color:var(--muted);padding:60px 0;text-align:center}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding:28px 0 4px}
.chip{border:1px solid var(--line);padding:6px 14px;font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted)}
.chip.is-on,.chip:hover{border-color:var(--blue-700);color:var(--blue-700)}

.pager{display:flex;gap:6px;justify-content:center;padding:44px 0 0}
.pager a,.pager .gap{min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);
  font-family:var(--mono);font-size:.8rem}
.pager a:hover{border-color:var(--blue-700);color:var(--blue-700)}
.pager a.is-on{background:var(--blue-700);border-color:var(--blue-700);color:#fff}

/* ---------------------------------------------------------------- product detail */
.pdetail{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;padding:26px 0 80px;align-items:start}
.pd-stage{position:relative;aspect-ratio:4/3;background:var(--steel-50);border:1px solid var(--line);overflow:hidden}
.pd-frame{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .3s}
.pd-frame.is-on{opacity:1}
.pd-noimg{width:100%;aspect-ratio:4/3;background:repeating-linear-gradient(45deg,var(--steel-100) 0 12px,var(--steel-50) 12px 24px)}
.pd-nav{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:1px solid var(--line);
  background:rgba(255,255,255,.92);cursor:pointer;font-size:1.4rem;line-height:1;color:var(--blue-900)}
.pd-nav.prev{left:12px}.pd-nav.next{right:12px}
.pd-nav:hover{background:#fff;border-color:var(--blue-700);color:var(--blue-700)}
.pd-thumbs{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.pd-thumb{width:76px;height:60px;border:1px solid var(--line);background:none;padding:0;cursor:pointer;overflow:hidden}
.pd-thumb img{width:100%;height:100%;object-fit:cover}
.pd-thumb.is-on{border-color:var(--blue-700);box-shadow:inset 0 0 0 1px var(--blue-700)}
.sku-lg{color:var(--blue-500);margin:0 0 6px}
.pd-title{font-family:var(--display);font-weight:700;font-size:clamp(1.9rem,3.6vw,2.8rem);letter-spacing:.02em;
  line-height:1.08;margin:0}
.pd-sub{color:var(--blue-700);font-size:1.06rem;margin:8px 0 0}
.pd-summary{color:var(--muted);margin:16px 0 0}
.pd-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);
  margin:26px 0}
.pd-facts>div{background:#fff;padding:12px 16px}
.pd-facts dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.pd-facts dd{margin:2px 0 0;font-weight:600}
.acc{margin-top:26px;border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item>summary{cursor:pointer;list-style:none;padding:16px 4px;font-family:var(--display);font-size:1.1rem;
  font-weight:600;letter-spacing:.06em;text-transform:uppercase;display:flex;justify-content:space-between;align-items:center}
.acc-item>summary::-webkit-details-marker{display:none}
.acc-item>summary::after{content:"+";color:var(--blue-700);font-size:1.2rem}
.acc-item[open]>summary::after{content:"–"}
.acc-body{padding:0 4px 22px}
.tablewrap{overflow-x:auto}
table.spec{width:100%;border-collapse:collapse;font-size:.9rem}
table.spec th{background:var(--blue-900);color:#fff;text-align:left;padding:10px 12px;font-family:var(--mono);
  font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap}
table.spec td{border-bottom:1px solid var(--line);padding:9px 12px}
table.spec tbody tr:nth-child(even){background:var(--steel-50)}
.techlist>div{display:flex;justify-content:space-between;gap:20px;padding:9px 0;border-bottom:1px dashed var(--line)}
.techlist dt{color:var(--muted)}
.techlist dd{margin:0;font-weight:600}
.feat{margin:0;padding-inline-start:18px}
.feat li{margin-bottom:6px}
.docs{list-style:none;margin:0;padding:0}
.docs li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;border-bottom:1px solid var(--line)}
.docs a{color:var(--blue-700);font-weight:600}
.docs span{color:var(--muted)}
.richtext p{margin:0 0 14px}
.richtext h2,.richtext h3{font-family:var(--display);letter-spacing:.04em;text-transform:uppercase}
.richtext img{margin:16px 0}
.richtext ul,.richtext ol{padding-inline-start:20px}

/* ---------------------------------------------------------------- project detail */
.proj-hero{background:var(--blue-900);background-size:cover;background-position:center;
  background-blend-mode:multiply;color:#fff;padding:110px 0 80px}
.proj-h1{font-family:var(--display);font-weight:700;font-size:clamp(2.1rem,5vw,3.6rem);letter-spacing:.03em;
  text-transform:uppercase;margin:6px 0 8px;max-width:22ch}
.proj-line{color:var(--cyan-300)}
.proj-body{display:grid;grid-template-columns:1fr 320px;gap:56px;padding:56px 0 80px;align-items:start}
.lead{font-size:1.08rem;color:var(--muted)}
.proj-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:32px}
.proj-gallery figure{margin:0}
.proj-gallery figcaption{font-family:var(--mono);font-size:.7rem;color:var(--muted);padding-top:6px}
.proj-side{position:sticky;top:calc(var(--header-h) + 16px);border-top:2px solid var(--blue-700);padding-top:18px}
.factlist>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--line)}
.factlist dt{color:var(--muted);font-size:.9rem}
.factlist dd{margin:0;font-weight:600}
.usedlist{list-style:none;margin:0 0 24px;padding:0}
.usedlist li{padding:8px 0;border-bottom:1px dashed var(--line)}
.usedlist a{color:var(--blue-700)}

/* ---------------------------------------------------------------- contact */
.offices{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:36px;padding:48px 0}
.office-map{aspect-ratio:16/10;background:var(--steel-100);margin-bottom:18px;overflow:hidden}
.office-map iframe{width:100%;height:100%;border:0}
.office-name{font-family:var(--display);font-size:1.5rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--blue-900);margin:0}
.office-role{color:var(--muted);margin:2px 0 10px}
.office-addr{margin:0 0 10px}
.office-lines{color:var(--ink);line-height:1.9}
.office-lines a{color:var(--blue-700)}
.office-hours{color:var(--muted);font-size:.9rem;margin-top:12px}
.formwrap{max-width:820px}
.cform{margin-top:24px;display:flex;flex-direction:column;gap:16px}
.cform-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.cform label{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:.7rem;
  letter-spacing:.12em;color:var(--muted);text-transform:uppercase}
.cform input,.cform textarea{border:1px solid var(--line);background:#fff;padding:11px 13px;
  font-family:var(--body);font-size:.95rem;letter-spacing:0;text-transform:none;color:var(--ink)}
.cform input:focus,.cform textarea:focus{outline:none;border-color:var(--blue-700)}
.cform .btn{align-self:flex-start}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.notice{padding:12px 16px;border-inline-start:3px solid;font-size:.95rem}
.notice.ok{background:#EAF6EE;border-color:#2E7D4F;color:#1E5C39}
.notice.err{background:#FBEBEC;border-color:#B3322F;color:#8A2724}

/* ---------------------------------------------------------------- about / misc */
.about{display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 70px;max-width:900px}
.blockgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:20px}
.blockstat{border-top:2px solid var(--blue-700);padding-top:12px;display:flex;flex-direction:column}
.errpage{padding:110px 0;text-align:center}
.errcode{color:var(--blue-500);letter-spacing:.3em}
.errpage .btn{margin-top:22px}

.cta{background:var(--blue-700);color:#fff}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:46px 0;flex-wrap:wrap}
.cta-title{font-family:var(--display);font-size:clamp(1.6rem,3vw,2.3rem);letter-spacing:.04em;
  text-transform:uppercase;margin:0}
.cta-body{margin:6px 0 0;color:#D6E9F7}

/* ---------------------------------------------------------------- footer */
.site-footer{background:var(--blue-900);color:#B9D2E7;padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.foot-logo{height:40px;filter:brightness(0) invert(1);opacity:.9}
.foot-about{margin:16px 0 0;font-size:.9rem;max-width:38ch}
.foot-col h3{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan-300);margin:0 0 14px}
.foot-col a{display:block;padding:5px 0;font-size:.92rem}
.foot-col a:hover{color:#fff}
.foot-office{font-size:.88rem;margin:0 0 14px;line-height:1.7}
.foot-legal{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:.8rem;color:#89A9C6;flex-wrap:wrap}

/* ---------------------------------------------------------------- responsive */
@media (max-width:1100px){
  .cat-grid,.pgrid,.cat-books,.book-grid{grid-template-columns:repeat(3,1fr)}
  .pdetail{grid-template-columns:1fr;gap:36px}
  .proj-body{grid-template-columns:1fr;gap:36px}
  .proj-side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  :root{--header-h:96px}
  .burger{display:flex}
  .mainnav{position:fixed;inset:var(--header-h) 0 auto 0;background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);padding:8px 20px 18px;display:none;box-shadow:var(--shadow)}
  .mainnav.is-open{display:flex}
  .mainnav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:1.15rem}
  .bar{height:64px;gap:12px;flex-wrap:wrap}
  .bar-tools{order:3;width:100%;margin:0 0 12px;gap:8px}
  .searchbox{min-width:0;flex:1}
  .layout{grid-template-columns:1fr;gap:24px}
  .side{position:static;display:flex;gap:6px;overflow-x:auto;border:0;padding:0 0 8px}
  .side-title{display:none}
  .side-link{border:1px solid var(--line);padding:7px 14px;white-space:nowrap}
  .side-sub{padding-inline-start:14px}
  .cat-grid,.pgrid,.cat-books,.book-grid,.proj-grid,.proj-grid.wide{grid-template-columns:repeat(2,1fr)}
  .cform-row{grid-template-columns:1fr}
  .band{padding:52px 0}
}
@media (max-width:560px){
  .topbar-note{display:none}
  .cat-grid,.pgrid,.cat-books,.book-grid,.proj-grid,.proj-grid.wide,.proj-gallery{grid-template-columns:1fr}
  .pd-facts{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .brand-tag{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
@media print{
  .site-header,.site-footer,.cta,.btn{display:none}
  body{color:#000}
}