@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.css');

/* ───────── tokens ───────── */
:root{
  --ink:#111a24;
  --navy:#0f2742;
  --navy-2:#0a1c31;
  --accent:#3a86cf;
  --muted:#5f6b78;
  --line:#e2e6eb;
  --soft:#f4f6f8;
  --max:1280px;
  --header:72px;
}

/* ───────── base ───────── */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Pretendard,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:#fff;word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
h1,h2,h3{margin:0;letter-spacing:-.03em;color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
.eyebrow{margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--accent)}
.section{padding:120px 0}
.section.soft{background:var(--soft)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:48px}
.section-head h2{font-size:clamp(28px,3vw,40px);line-height:1.25}
.section-head p{max-width:520px;margin:0;color:var(--muted)}
.text-link{display:inline-flex;align-items:center;gap:6px;padding-bottom:2px;border-bottom:1px solid currentColor;font-size:15px;font-weight:700;color:var(--navy);white-space:nowrap}
.text-link:hover{color:var(--accent)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:1px solid var(--ink);background:transparent;color:var(--ink);font-size:15px;font-weight:700;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--ink);color:#fff}
.btn.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.primary:hover{background:var(--navy-2);border-color:var(--navy-2)}
.btn.light{border-color:rgba(255,255,255,.75);color:#fff}
.btn.light:hover{background:#fff;color:var(--ink)}
.btn.light.solid{background:#fff;border-color:#fff;color:var(--ink)}
.btn.light.solid:hover{background:transparent;color:#fff}
.btn svg{width:16px;height:16px;flex:none}
.btn:disabled{opacity:.6;cursor:wait}

/* ───────── header ───────── */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.4) blur(10px)}
.header-inner{height:var(--header);display:flex;align-items:center;gap:40px}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand-logo{width:40px;height:34px;object-fit:contain}
.brand-copy strong{display:block;font-size:19px;line-height:1.1;letter-spacing:-.02em;color:var(--navy)}
.brand-copy span{display:block;margin-top:3px;font-size:10px;letter-spacing:.16em;color:var(--muted)}
.nav{margin-left:auto;display:flex;align-items:center;gap:36px;font-size:15px;font-weight:600}
.nav a{position:relative;padding:8px 0;color:#2c3843;transition:color .2s}
.nav a:hover,.nav a.active{color:var(--navy)}
.nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--navy)}
.nav .quote-btn{margin-left:4px;padding:10px 18px;background:var(--navy);color:#fff;font-size:14px}
.nav .quote-btn:hover{background:var(--navy-2);color:#fff}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:none;align-items:center;justify-content:center;cursor:pointer}
.menu-btn span,.menu-btn span:before,.menu-btn span:after{content:"";display:block;position:relative;width:22px;height:2px;background:var(--ink)}
.menu-btn span:before{position:absolute;top:-7px}
.menu-btn span:after{position:absolute;top:7px}

/* ───────── sub page head ───────── */
.page-head{padding:64px 0 56px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none;font-size:13px;color:var(--muted)}
.breadcrumb li+li:before{content:"/";margin-right:8px;color:#b5bec8}
.breadcrumb a:hover{color:var(--navy)}
.page-head h1{font-size:clamp(34px,4vw,52px);line-height:1.15}
.page-head p{max-width:680px;margin:16px 0 0;font-size:17px;color:var(--muted)}

/* ───────── footer ───────── */
.footer{padding:64px 0 32px;background:var(--navy-2);color:#9fb0c1;font-size:14px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer .brand-logo{filter:brightness(0) invert(1)}
.footer .brand-copy strong{color:#fff}
.footer .brand-copy span{color:#8193a5}
.footer-note{margin:14px 0 0;font-size:13px;color:#8193a5}
.footer-info{margin:0;text-align:right;line-height:1.9}
.footer-info a{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding-top:24px;font-size:13px;color:#7b8b9b}
.footer-bottom a:hover{color:#fff}

/* ───────── home ───────── */
.home-hero{padding:48px 0 104px}
.home-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:80px;align-items:center}
.home-hero h1{font-size:clamp(42px,5.2vw,74px);line-height:1.08;letter-spacing:-.05em}
.home-hero-copy p{max-width:520px;margin:28px 0 36px;font-size:18px;line-height:1.8;color:#3b4753}
.home-hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.home-hero-media{position:relative}
.home-hero-frame{position:relative;height:clamp(440px,calc(100vh - 210px),700px);overflow:hidden;background:var(--soft)}
.home-hero-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity 1s ease,visibility 1s}
.home-hero-slide.is-active{opacity:1;visibility:visible}
.home-hero-slide img{width:100%;height:100%;object-fit:cover}
.home-hero-bar{display:flex;align-items:center;gap:16px;margin-top:16px;font-size:14px;color:var(--muted)}
.home-hero-bar strong{color:var(--ink);font-weight:600}
.home-hero-count{margin-left:auto;font-variant-numeric:tabular-nums}
.home-hero-bar button{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:border-color .2s}
.home-hero-bar button:hover{border-color:var(--ink)}
.home-hero-bar svg{width:16px;height:16px}
.home-hero+.section{padding-top:16px}

.home-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:36px;border-top:1px solid var(--ink)}
.home-facts div{padding:22px 16px 0 0}
.home-facts strong{display:block;font-size:19px;color:var(--navy)}
.home-facts span{display:block;margin-top:4px;font-size:14px;color:var(--muted)}

.cat-tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cat-tile{position:relative;display:block;aspect-ratio:16/11;overflow:hidden;background:var(--navy);color:#fff}
.cat-tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .7s ease}
.cat-tile:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,16,28,0) 40%,rgba(6,16,28,.8) 100%)}
.cat-tile:hover img{transform:scale(1.03)}
.cat-tile-copy{position:absolute;left:32px;right:32px;bottom:30px;z-index:1}
.cat-tile-copy small{font-size:13px;font-weight:600;color:rgba(255,255,255,.75)}
.cat-tile-copy h3{margin:6px 0 8px;font-size:clamp(24px,2.4vw,30px);color:#fff}
.cat-tile-copy p{margin:0;max-width:440px;font-size:15px;color:rgba(255,255,255,.85)}
.cat-tile-more{display:inline-flex;align-items:center;gap:6px;margin-top:18px;white-space:nowrap;padding:8px 14px;border:1px solid rgba(255,255,255,.7);font-size:13px;font-weight:700;transition:background .2s,color .2s}
.cat-tile:hover .cat-tile-more{background:#fff;color:var(--ink)}

.product-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 24px}
.product-cards.is-four{grid-template-columns:repeat(4,minmax(0,1fr))}
.product-card{display:block;color:inherit}
.product-card figure{margin:0 0 18px;aspect-ratio:4/3;overflow:hidden;background:#e8ecf0}
.product-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.product-card:hover img{transform:scale(1.03)}
.product-card small{font-size:13px;font-weight:700;color:var(--accent)}
.product-card h3{margin:4px 0 6px;font-size:21px}
.product-card p{margin:0;font-size:15px;color:var(--muted)}
.product-card:hover h3{color:var(--navy);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}

.cta-band{padding:88px 0;background:var(--navy);color:#fff}
.cta-band-inner{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-band h2{font-size:clamp(26px,2.8vw,36px);line-height:1.3;color:#fff}
.cta-band p{margin:12px 0 0;color:#b5c3d1}
.cta-band-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}
.cta-phone{font-size:30px;font-weight:700;letter-spacing:-.01em;color:#fff}
.cta-phone small{display:block;font-size:13px;font-weight:600;color:#9fb0c1}

/* ───────── home stage (left menu + photo stage) ───────── */
.stage{padding:40px 0 104px}
.stage-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:56px;align-items:stretch}
.stage-menu{display:flex;flex-direction:column;min-width:0}
.stage-menu h1{font-size:clamp(36px,3.6vw,52px);line-height:1.12;letter-spacing:-.045em}
.stage-lead{margin:18px 0 32px;font-size:16px;line-height:1.75;color:var(--muted)}
.stage-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.stage-list a{display:flex;align-items:center;gap:14px;padding:18px 2px;border-bottom:1px solid var(--line);font-size:18px;font-weight:600;color:#7b8794;transition:color .25s}
.stage-list span{min-width:20px;font-size:12px;font-weight:700;color:#a6b0ba;transition:color .25s}
.stage-list svg{width:18px;height:18px;margin-left:auto;opacity:0;transform:translateX(-6px);transition:opacity .25s,transform .25s}
.stage-list a.is-active{color:var(--ink)}
.stage-list a.is-active span{color:var(--accent)}
.stage-list a.is-active svg{opacity:1;transform:none}
.stage-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:22px 0 0;padding:0;list-style:none;font-size:14px;font-weight:600;color:var(--muted)}
.stage-links a:hover{color:var(--navy)}
.stage-links .is-catalog{color:var(--navy);border-bottom:1px solid currentColor}
.stage-contact{display:flex;flex-direction:column;gap:14px;margin-top:auto;padding-top:32px}
.stage-phone{font-size:26px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.stage-phone small{display:block;margin-bottom:2px;font-size:13px;font-weight:600;color:var(--muted)}
.stage-contact .btn{align-self:flex-start}
.stage-media{display:flex;flex-direction:column;min-width:0}
.stage-sets{position:relative;height:clamp(460px,calc(100vh - 230px),680px)}
.stage-set{position:absolute;inset:0;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);grid-template-rows:1fr 1fr;gap:12px;opacity:0;visibility:hidden;transition:opacity .6s ease,visibility .6s}
.stage-set.is-active{opacity:1;visibility:visible}
.stage-set figure{margin:0;overflow:hidden;background:var(--soft)}
.stage-set img{width:100%;height:100%;object-fit:cover}
.stage-main{grid-row:span 2}
.stage-caption{display:flex;align-items:baseline;gap:16px;padding-top:16px}
.stage-caption strong{font-size:18px}
.stage-caption span{font-size:15px;color:var(--muted)}
.stage-caption .text-link{margin-left:auto}
.others{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.others a{display:block}
.others figure{margin:0 0 16px;aspect-ratio:16/10;overflow:hidden;background:#e8ecf0}
.others img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.others a:hover img{transform:scale(1.03)}
.others small{font-size:13px;font-weight:700;color:var(--accent)}
.others h3{margin:4px 0 6px;font-size:21px}
.others p{margin:0;font-size:15px;color:var(--muted)}

/* ───────── resources (자료실) ───────── */
.catalog-feature{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:center;padding:40px;background:var(--soft)}
.catalog-feature figure{margin:0;aspect-ratio:210/297;overflow:hidden;background:#fff;box-shadow:0 14px 40px rgba(17,26,36,.12)}
.catalog-feature img{width:100%;height:100%;object-fit:cover}
.catalog-feature h2{font-size:clamp(26px,2.6vw,34px)}
.catalog-feature p{margin:14px 0 24px;color:var(--muted)}
.catalog-feature ul{margin:0 0 28px;padding:0;list-style:none;border-top:1px solid var(--line)}
.catalog-feature li{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.catalog-actions{display:flex;flex-wrap:wrap;gap:10px}

/* ───────── catalog (web brochure + A4 PDF) ───────── */
.catalog-page{background:var(--soft)}
.catalog-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:28px 0}
.catalog-toolbar h1{font-size:26px}
.catalog-toolbar .catalog-actions{flex:none}
.catalog-wrap{padding:0 0 80px}
/* 모든 쪽은 A4 한 장(794 × 1123px = 210 × 297mm)으로 고정하고, 화면 폭에 맞춰 --sheet-zoom(script.js)으로 통째로 확대·축소합니다. */
.sheet{position:relative;display:flex;flex-direction:column;flex:none;width:794px;height:1123px;margin:0 auto 32px;padding:52px 56px 68px;background:#fff;box-shadow:0 10px 40px rgba(17,26,36,.07);overflow:hidden;zoom:var(--sheet-zoom,1)}
.sheet>*{flex:none}
.sheet h2{font-size:34px;line-height:1.2;letter-spacing:-.04em}
.sheet .eyebrow{margin-bottom:10px}
.sheet-lead{margin:14px 0 0;font-size:15.5px;line-height:1.8;color:#3b4753}
.sheet-no{position:absolute;right:56px;bottom:32px;font-size:11px;font-weight:700;letter-spacing:.1em;color:#a6b0ba}
.sheet.cover{padding:0}
.cover-bg{position:absolute;left:0;right:0;top:0;height:81%;margin:0;overflow:hidden}
.cover-bg img{width:100%;height:100%;object-fit:cover}
.cover-top{position:absolute;left:56px;right:56px;top:56px;z-index:1}
.cover-title{margin:44px 0 10px;font-size:64px;line-height:1.05;letter-spacing:-.05em;color:var(--navy)}
.cover-sub{margin:0;font-size:19px;color:#45515d}
.cover-foot{position:absolute;left:56px;right:56px;bottom:58px;z-index:1;display:flex;justify-content:space-between;align-items:flex-end;padding-top:16px;border-top:1px solid var(--ink);font-size:13px;font-weight:600;color:#2c3843}
.cover-credit{position:absolute;left:56px;bottom:30px;z-index:1;font-size:10px;color:rgba(17,26,36,.55)}
.cover-brand{display:flex;align-items:center;gap:12px}
.cover-brand img{width:52px;height:44px;object-fit:contain}
.cover-brand strong{font-size:18px;color:var(--navy)}
.cover-brand span{display:block;font-size:10px;letter-spacing:.16em;color:var(--muted)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:36px 0;border-top:1px solid var(--ink)}
.steps li{padding:18px 16px 0 0;list-style:none}
.steps{padding:0}
.steps span{font-size:12px;font-weight:700;color:var(--accent)}
.steps strong{display:block;margin:6px 0 4px;font-size:17px}
.steps p{margin:0;font-size:13px;line-height:1.6;color:var(--muted)}
.sheet-photos{display:grid;gap:10px;flex:1 1 auto!important;min-height:0}
.sheet-photos figure{margin:0;overflow:hidden;background:var(--soft)}
.sheet-photos img{width:100%;height:100%;object-fit:cover}
.sheet-photos.quad{grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr}
.sheet-photos.trio{grid-template-columns:1.6fr 1fr;grid-template-rows:1fr 1fr;margin:28px 0}
.sheet-photos.trio figure:first-child{grid-row:span 2}
.sheet-specs{margin:0;border-top:1px solid var(--ink)}
.sheet-specs div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.sheet-specs dt{font-weight:600;color:var(--muted)}
.sheet-specs dd{margin:0}
.sheet-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}
.sheet-features strong{display:block;margin-bottom:4px;font-size:14.5px}
.sheet-features p{margin:0;font-size:12.5px;line-height:1.6;color:var(--muted)}
.opt-block{margin-top:auto;padding-top:28px}
.opt-block h3{margin-bottom:12px;font-size:17px}
.opt-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.opt-cards div{padding:14px 16px;border:1px solid var(--line)}
.opt-cards strong{display:block;font-size:15px}
.opt-cards span{font-size:12.5px;color:var(--muted)}
.swatches{display:flex;flex-wrap:wrap;gap:18px}
.swatch{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600}
.swatch i{width:36px;height:36px;border:1px solid rgba(0,0,0,.12)}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.chips li{padding:6px 11px;border:1px solid var(--line);font-size:13px}
.design-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.design-grid figure{margin:0}
.design-grid div{aspect-ratio:3/4;overflow:hidden;background:var(--soft)}
.design-grid img{width:100%;height:100%;object-fit:cover}
.design-grid figcaption{padding-top:8px;font-size:13px;font-weight:600}
.note{margin:14px 0 0;font-size:12px;color:var(--muted)}
.size-table{width:100%;border-collapse:collapse;border-top:1px solid var(--ink);font-size:14px}
.size-table th,.size-table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left}
.size-table th{font-weight:600;color:var(--muted)}
.size-table{margin-bottom:32px}
.back-contact{margin-top:auto;padding:32px;background:var(--navy);color:#fff}
.back-contact h3{color:#fff;font-size:22px}
.back-contact dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 32px;margin:20px 0 0}
.back-contact dt{font-size:12px;color:#9fb0c1}
.back-contact dd{margin:4px 0 0;font-size:17px;font-weight:600}
.back-contact a{color:#fff}

/* PDF / print mode: exact A4 sheets */
html.pdf body,html.pdf .catalog-page{background:#fff}
html.pdf .site-header,html.pdf .footer,html.pdf .catalog-toolbar,html.pdf .quote-dialog{display:none!important}
html.pdf .catalog-wrap{padding:0}
html.pdf .container{width:auto}
html.pdf .sheet{zoom:1;margin:0;box-shadow:none}
@page{size:A4;margin:0}
@media print{
  .site-header,.footer,.catalog-toolbar,.quote-dialog{display:none!important}
  body,.catalog-page{background:#fff}
  .catalog-wrap{padding:0}
  .container{width:auto}
  .sheet{zoom:1;width:210mm;height:297mm;margin:0;box-shadow:none;break-after:page;break-inside:avoid}
  .sheet:last-child{break-after:auto}
}

/* ───────── products index ───────── */
.cat-nav{position:sticky;top:var(--header);z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.cat-nav ul{display:flex;gap:36px;margin:0;padding:0;list-style:none;overflow-x:auto;scrollbar-width:none}
.cat-nav ul::-webkit-scrollbar{display:none}
.cat-nav a{display:block;padding:18px 0 16px;border-bottom:2px solid transparent;font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap}
.cat-nav a:hover,.cat-nav a[aria-current="true"]{color:var(--navy);border-color:var(--navy)}
.cat-section{padding:96px 0;scroll-margin-top:calc(var(--header) + 56px)}
.cat-section+.cat-section{border-top:1px solid var(--line)}
.cat-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:48px;align-items:end;margin-bottom:48px}
.cat-head h2{font-size:clamp(28px,3vw,38px);line-height:1.2}
.cat-head p{margin:0;font-size:16px;line-height:1.8;color:var(--muted)}

/* ───────── product detail ───────── */
.product-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:72px;align-items:start;padding:40px 0 104px}
.product-top h1{font-size:clamp(32px,3.6vw,48px);line-height:1.15}
.product-summary{margin:18px 0 32px;font-size:17px;line-height:1.85;color:#3b4753}
.spec-list{margin:0 0 32px;border-top:1px solid var(--ink)}
.spec-list div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:15px}
.spec-list dt{font-weight:600;color:var(--muted)}
.spec-list dd{margin:0}
.product-actions{display:flex;flex-wrap:wrap;gap:10px}
.product-media-main{margin:0;aspect-ratio:4/3;overflow:hidden;background:#e8ecf0}
.product-media-main img{width:100%;height:100%;object-fit:cover}
.product-thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:8px}
.product-thumbs a{display:block;aspect-ratio:1/1;overflow:hidden;background:#e8ecf0}
.product-thumbs img{width:100%;height:100%;object-fit:cover;transition:opacity .2s}
.product-thumbs a:hover img{opacity:.8}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px}
.feature{padding:28px 0 0;border-top:1px solid var(--ink)}
.feature span{font-size:13px;font-weight:700;color:var(--accent)}
.feature h3{margin:10px 0 8px;font-size:20px}
.feature p{margin:0;font-size:15px;line-height:1.75;color:var(--muted)}
.option-table{width:100%;border-collapse:collapse;border-top:1px solid var(--ink);font-size:15px}
.option-table th,.option-table td{padding:16px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.option-table th{width:180px;font-weight:600;color:var(--muted)}
.subnav-products{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none}
.subnav-products a{display:block;padding:8px 14px;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--muted)}
.subnav-products a:hover{border-color:var(--navy);color:var(--navy)}
.subnav-products a[aria-current="page"]{background:var(--navy);border-color:var(--navy);color:#fff}

/* ───────── photo grid / gallery ───────── */
.photo-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.photo-grid.is-three{grid-template-columns:repeat(3,minmax(0,1fr))}
.photo-grid figure{margin:0}
.photo-grid a{display:block;aspect-ratio:4/3;overflow:hidden;background:#e8ecf0}
.photo-grid img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.photo-grid a:hover img{transform:scale(1.03)}
.photo-grid figcaption{padding:10px 0 0;font-size:14px;color:var(--muted)}
.photo-grid figure[hidden]{display:none}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filter-bar button{padding:9px 16px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.filter-bar button:hover{border-color:var(--navy);color:var(--navy)}
.filter-bar button[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}

/* ───────── company ───────── */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:80px;align-items:start}
.split h2{font-size:clamp(28px,3vw,40px);line-height:1.25}
.prose p{margin:0 0 18px;font-size:17px;line-height:1.85;color:#3b4753}
.equipment-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;margin:0;padding:0;list-style:none;border-top:1px solid var(--ink)}
.equipment-list li{padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.equipment-list strong{display:block;font-size:16px;color:var(--ink)}
.equipment-list span{color:var(--muted);font-size:14px}
.map-frame{display:block;width:100%;aspect-ratio:21/9;border:0;background:var(--soft)}
.contact-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 40px;margin:32px 0 0;border-top:1px solid var(--ink)}
.contact-list div{padding:20px 0;border-bottom:1px solid var(--line)}
.contact-list dt{font-size:13px;font-weight:600;color:var(--muted)}
.contact-list dd{margin:6px 0 0;font-size:17px;font-weight:600}
.contact-list a:hover{color:var(--accent)}

/* ───────── patents ───────── */
.patent-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px 24px}
.patent-card{scroll-margin-top:calc(var(--header) + 24px)}
.patent-card-image{display:block;padding:24px;background:var(--soft)}
.patent-card-image img{width:100%;aspect-ratio:22/31;object-fit:contain;background:#fff;box-shadow:0 10px 30px rgba(17,26,36,.08)}
.patent-card-body{padding-top:20px}
.patent-kind{font-size:13px;font-weight:700;color:var(--accent)}
.patent-card h3{margin:6px 0 14px;font-size:19px;line-height:1.45}
.patent-card dl{margin:0;border-top:1px solid var(--line)}
.patent-card dl div{display:flex;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.patent-card dt{min-width:64px;color:var(--muted)}
.patent-card dd{margin:0;font-weight:600}
.patent-extra{display:inline-block;margin-top:14px;font-size:14px;font-weight:700;color:var(--navy);border-bottom:1px solid currentColor}

/* ───────── lightbox ───────── */
.lightbox{width:100vw;height:100vh;max-width:none;max-height:none;margin:0;padding:0;border:0;background:rgba(6,14,24,.96);color:#fff;overflow:hidden}
.lightbox::backdrop{background:rgba(6,14,24,.6)}
.lightbox[open]{display:flex;align-items:center;justify-content:center}
.lightbox figure{margin:0;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:calc(100vw - 150px)}
.lightbox img{max-width:100%;max-height:calc(100vh - 120px);object-fit:contain}
.lightbox figcaption{min-height:20px;font-size:14px;font-weight:600;color:#d8e2ec}
.lightbox button{position:absolute;display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;font-size:22px;cursor:pointer}
.lightbox button:hover{background:#fff;color:var(--ink)}
.lightbox-close{top:18px;right:18px}
.lightbox-prev{left:18px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:18px;top:50%;transform:translateY(-50%)}
.lightbox-count{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);font-size:13px;color:#aab7c5}

/* ───────── quote dialog (from KSAFE, restyled) ───────── */
body:has(.quote-dialog[open]) .site-header{z-index:1}
.quote-dialog{z-index:2000;width:min(920px,calc(100vw - 28px));max-height:calc(100dvh - 28px);margin:auto;padding:0;border:0;background:transparent;color:inherit}
.quote-dialog::backdrop{background:rgba(8,18,28,.72)}
.quote-panel{display:grid;grid-template-columns:280px minmax(0,1fr);max-height:calc(100dvh - 28px);overflow:hidden;background:#fff;box-shadow:0 28px 80px rgba(8,18,28,.28)}
.quote-aside{display:flex;flex-direction:column;padding:28px 26px;background:var(--soft);border-right:1px solid var(--line);overflow:auto}
.quote-aside-logo{width:52px;height:44px;margin-bottom:18px;object-fit:contain}
.quote-aside .eyebrow{margin-bottom:8px}
.quote-aside-name{display:block;margin-bottom:12px;font-size:22px;line-height:1.25;letter-spacing:-.03em}
.quote-aside-lead{margin:0 0 22px;font-size:13px;line-height:1.7;color:var(--muted)}
.quote-contact{display:flex;flex-direction:column;gap:10px;margin:0}
.quote-contact div{padding-top:10px;border-top:1px solid var(--line)}
.quote-contact dt{margin:0 0 4px;font-size:12px;font-weight:700;color:var(--muted)}
.quote-contact dd{margin:0;font-size:14px;line-height:1.5}
.quote-contact a{text-decoration:underline;text-underline-offset:3px;text-decoration-color:#c5d0da}
.quote-main{display:flex;flex-direction:column;min-width:0;min-height:0;background:#fff}
.quote-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:22px 24px 16px;border-bottom:1px solid var(--line)}
.quote-head .eyebrow{margin-bottom:6px}
.quote-head h2{font-size:26px;line-height:1.2}
.quote-close{flex:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:24px;line-height:1;cursor:pointer}
.quote-close:hover{background:var(--soft)}
.quote-form,.quote-success{padding:20px 24px 24px;overflow:auto}
.quote-lead{margin:0 0 18px;font-size:14px;line-height:1.7;color:var(--muted)}
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 16px}
.quote-field{display:flex;flex-direction:column;gap:6px;min-width:0}
.quote-field-full{grid-column:1 / -1}
.quote-field label{font-size:13px;font-weight:700}
.quote-req{color:#b42318;font-weight:800}
.quote-field input,.quote-field select,.quote-field textarea{width:100%;min-height:44px;padding:11px 12px;border:1px solid #d3d9df;border-radius:0;background:#fff;color:var(--ink);font:inherit;font-size:14px}
.quote-field textarea{min-height:96px;resize:vertical;line-height:1.55}
.quote-field input:focus,.quote-field select:focus,.quote-field textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(15,39,66,.12);outline:none}
.quote-field.is-invalid input,.quote-field.is-invalid select,.quote-field.is-invalid textarea{border-color:#b42318;box-shadow:0 0 0 3px rgba(180,35,24,.12)}
.quote-field-error{margin:0;font-size:12px;color:#b42318}
.quote-field-error:empty{display:none}
.quote-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.quote-turnstile{margin-top:16px;min-height:68px}
.quote-note{margin:16px 0 0;font-size:12px;line-height:1.6;color:var(--muted)}
.quote-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.quote-form-error{margin:0 0 14px;padding:10px 12px;background:#fdecec;color:#8a1f1a;font-size:13px;font-weight:700}
.quote-success h3{margin:0 0 8px;font-size:22px}
.quote-success p{margin:0 0 10px;font-size:14px;line-height:1.7;color:var(--muted)}
.quote-success[hidden],.quote-form-error[hidden]{display:none}

/* ───────── responsive ───────── */
@media(max-width:1080px){
  .product-cards.is-four{grid-template-columns:repeat(3,minmax(0,1fr))}
  .split{gap:56px}
}
@media(max-width:980px){
  :root{--header:64px}
  .stage{padding:24px 0 72px}
  .stage-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .stage-media{order:-1}
  .stage-sets{height:auto;aspect-ratio:4/3}
  .stage-set{grid-template-columns:minmax(0,1fr);grid-template-rows:1fr}
  .stage-set figure:not(.stage-main){display:none}
  .stage-main{grid-row:auto}
  .stage-caption{flex-wrap:wrap;gap:4px 12px}
  .stage-contact{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between}
  .others{grid-template-columns:repeat(2,minmax(0,1fr))}
  .catalog-feature{grid-template-columns:minmax(0,1fr);padding:24px}
  .catalog-feature figure{max-width:260px}
  .menu-btn{display:flex}
  .nav{position:absolute;top:var(--header);left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(17,26,36,.08)}
  .nav.open{display:flex}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav a.active:after{display:none}
  .nav .quote-btn{margin:16px 0 0;padding:14px;text-align:center;border-bottom:0}
  .section{padding:88px 0}
  .home-hero-grid,.split,.cat-head,.product-top{grid-template-columns:minmax(0,1fr);gap:32px}
  .home-hero{padding:32px 0 72px}
  .home-hero-frame{height:auto;aspect-ratio:4/5}
  .product-top{padding-bottom:72px}
  .product-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .product-cards.is-four{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .photo-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .patent-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-list{grid-template-columns:minmax(0,1fr)}
  .cta-band-inner{flex-direction:column;align-items:flex-start}
}
@media(max-width:640px){
  .container{width:calc(100% - 40px)}
  .stage-list a{font-size:17px;padding:15px 2px}
  .stage-caption .text-link{margin-left:0}
  .others{grid-template-columns:minmax(0,1fr)}
  .catalog-toolbar{flex-direction:column;align-items:flex-start}
  .sheet{padding:28px 20px;margin-bottom:20px}
  .sheet h2{font-size:26px}
  .cover-top{left:20px;right:20px;top:24px}
  .cover-title{margin-top:24px;font-size:36px}
  .cover-sub{font-size:15px}
  .cover-foot{left:20px;right:20px;bottom:30px;font-size:11px}
  .cover-credit{left:20px;bottom:10px;font-size:9px}
  .cover-bg{height:80%}
  .steps,.sheet-features,.opt-cards{grid-template-columns:minmax(0,1fr)}
  .sheet-photos.two{height:220px}
  .sheet-photos.trio{height:auto;grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .sheet-photos.trio figure{aspect-ratio:3/4}
  .sheet-photos.trio figure:first-child{grid-row:auto;grid-column:span 2;aspect-ratio:4/3}
  .design-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .back-contact dl{grid-template-columns:minmax(0,1fr)}
  .sheet-no{display:none}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px}
  .page-head{padding:40px 0 36px}
  .page-head p{font-size:16px}
  .home-hero h1{font-size:38px}
  .home-hero-copy p{font-size:16px;margin:18px 0 26px}
  .home-hero-frame{aspect-ratio:1/1}
  .home-facts{grid-template-columns:minmax(0,1fr)}
  .home-facts div{padding:16px 0;border-bottom:1px solid var(--line)}
    .cat-tiles{grid-template-columns:minmax(0,1fr);gap:16px}
  .cat-tile{aspect-ratio:4/3}
  .cat-tile:after{background:linear-gradient(180deg,rgba(6,16,28,.2) 0%,rgba(6,16,28,.85) 100%)}
  .cat-tile-copy{left:20px;right:20px;bottom:20px}
  .cat-tile-copy p{font-size:14px}
  .product-cards,.product-cards.is-four{grid-template-columns:minmax(0,1fr);gap:32px}
  .cat-section{padding:64px 0}
  .cat-nav ul{gap:24px}
  .product-top{padding-top:24px}
  .spec-list div{grid-template-columns:90px minmax(0,1fr)}
  .photo-grid,.photo-grid.is-three{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .equipment-list{grid-template-columns:minmax(0,1fr)}
  .map-frame{aspect-ratio:4/3}
  .patent-cards{grid-template-columns:minmax(0,1fr)}
  .footer-top,.footer-bottom{flex-direction:column}
  .footer-info{text-align:left}
  .cta-phone{font-size:26px}
  .lightbox figure{max-width:100vw}
  .lightbox-prev,.lightbox-next{top:auto;bottom:12px;transform:none}
  .lightbox-count{bottom:26px}
  .quote-dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 16px)}
  .quote-panel{grid-template-columns:1fr}
  .quote-aside{padding:18px}
  .quote-aside-logo{width:40px;height:34px;margin-bottom:12px}
  .quote-aside-lead{display:none}
  .quote-head,.quote-form,.quote-success{padding-left:18px;padding-right:18px}
  .quote-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .home-hero-slide,.cat-tile img,.product-card img,.photo-grid img{transition:none}
}