:root{
  --navy:#10344F; --navy-deep:#0A2235; --navy-ink:#071826;
  --teal:#03999F; --teal-dk:#007C82; --teal-lt:#5CC6C9;
  --ink:#121B24; --body:#3D4955; --muted:#6B7783; --line:#E2E7EB; --bg-alt:#F5F7F9;
  --max:1280px; --gutter:clamp(20px,4vw,64px);
  --ease:cubic-bezier(.2,.8,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Pretendard,"Malgun Gothic",sans-serif;color:var(--body);background:#fff;font-size:17px;line-height:1.75;word-break:keep-all;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--navy);padding:8px 14px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:calc(var(--max) + var(--gutter)*2);margin:0 auto;padding:0 var(--gutter)}
.h2{font-size:clamp(30px,3.4vw,46px);line-height:1.25;font-weight:700;letter-spacing:-.03em;color:var(--ink);text-wrap:balance}
.lead{color:var(--body);margin-top:14px;max-width:520px}
.todo{display:inline-block;font-size:12px;font-weight:600;line-height:1.5;color:#A14A0A;background:#FFF3E6;border:1px dashed #E8A15C;border-radius:3px;padding:0 6px;vertical-align:middle;letter-spacing:0}
section{padding:112px 0 128px;scroll-margin-top:72px}

/* ── 버튼 ── */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:600;border-radius:4px;padding:15px 26px;transition:background .2s,border-color .2s,transform .2s var(--ease)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--teal-dk);color:#fff}
.btn-primary:hover{background:#00696E}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:#fff}

/* ── 헤더 ── */
header{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
header.solid{background:rgba(255,255,255,.97);box-shadow:0 1px 0 var(--line);backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;transition:color .3s}
header.solid .brand{color:var(--navy)}
.brand svg{width:34px;height:34px}
.brand .sym-a{fill:#E8EEF3;transition:fill .3s}
header.solid .brand .sym-a{fill:var(--navy)}
.brand b{display:block;font-size:20px;font-weight:800;letter-spacing:.02em;line-height:1.1}
.brand small{display:block;font-size:8.5px;font-weight:700;letter-spacing:.42em;opacity:.8}
.menu{display:flex;align-items:center;gap:40px;font-size:15.5px;font-weight:600;color:rgba(255,255,255,.88)}
header.solid .menu{color:var(--ink)}
.menu a{position:relative;padding:6px 0}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--teal);transform:scaleX(0);transition:transform .25s var(--ease)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu .btn{padding:10px 18px;font-size:14px;color:#fff}
.menu .btn::after{display:none}
.burger{display:none;width:44px;height:44px;border:0;background:none;color:#fff;cursor:pointer}
header.solid .burger{color:var(--navy)}
.burger span{display:block;width:22px;height:2px;margin:5px auto;background:currentColor;transition:.25s}

/* ── 히어로 ── */
.hero{position:relative;background:var(--navy-ink);color:#fff;overflow:hidden;padding:0}
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;background-position:center;background-size:cover;opacity:0;transform:scale(1.06);transition:opacity 1.4s ease,transform 8s linear}
.slide.on{opacity:1;transform:scale(1)}
.slide video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slides::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,24,38,.92) 0%,rgba(7,24,38,.78) 38%,rgba(7,24,38,.35) 70%,rgba(7,24,38,.25) 100%)}
.hero .wrap{position:relative;min-height:max(680px,100dvh);padding-top:76px;display:flex;flex-direction:column;justify-content:center}
.hero-copy{max-width:740px}
.hero h1{font-size:clamp(34px,3.9vw,54px);line-height:1.22;font-weight:700;letter-spacing:-.03em;color:#fff;margin:0 0 24px;text-wrap:balance}
.hero p{color:#C9D6E0;max-width:460px}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.hero-fact{margin-top:48px;font-size:15px;color:#9FB2C2;max-width:460px}
.dots{position:absolute;left:var(--gutter);bottom:40px;display:flex;gap:18px}
.dots button{background:none;border:0;cursor:pointer;color:#9FB2C2;font:600 14px Pretendard,sans-serif;padding:10px 0 0;position:relative;transition:color .3s}
.dots button::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:rgba(255,255,255,.25)}
.dots button.on{color:#fff}
.dots button.on::before{background:var(--teal)}

/* ── 제품·공정 ── */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:56px}
.products{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-template-rows:auto auto;gap:24px}
.p-card{position:relative;display:flex;flex-direction:column;background:var(--bg-alt);border:0;border-radius:8px;overflow:hidden}
.p-card .ph{border-radius:4px;margin:8px 8px 0}
.p-card.feature .ph{margin:0}
.p-card .ph{overflow:hidden;background:var(--bg-alt)}
.p-card .ph img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease-out}
.p-card:hover .ph img{transform:scale(1.02)}
.p-card .tx{padding:26px 28px 30px}
.p-card:not(.feature) .ph img{aspect-ratio:4/3;filter:saturate(.85)}
.p-card h3{font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.02em;margin:0 0 8px}
.p-card p{font-size:15px;line-height:1.65;color:var(--muted)}
.p-card .more{margin-top:18px;font-size:14px;font-weight:700;color:var(--teal-dk)}
.p-card.feature{grid-row:1/3;background:#EDF1F4}
.p-card.feature .ph{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 28px 0;background:none}
.p-card.feature .ph img{aspect-ratio:auto;object-fit:contain;max-height:340px}

/* ── 현장 밴드 ── */
.band{position:relative;padding:0;min-height:460px;display:flex;align-items:center;color:#fff;overflow:hidden;background:var(--navy-ink)}
.band .bg{position:absolute;inset:0 0 0 35%;background:url(assets/hero_welding.jpg) center/cover}
.band .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--navy-ink) 0%,rgba(7,24,38,.6) 35%,rgba(7,24,38,.1) 100%)}
.band .wrap{position:relative;width:100%}
.band blockquote{font-size:clamp(24px,2.6vw,36px);line-height:1.45;font-weight:600;letter-spacing:-.025em;max-width:560px}
.band cite{display:block;margin-top:22px;font-style:normal;font-size:15px;color:#8FA6B8}

/* ── 설비·검사 ── */
.alt{background:var(--bg-alt)}
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:center}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:4px}
.gallery img:first-child{grid-column:1/3;aspect-ratio:16/8}
.spec{list-style:none;margin-top:36px;border-top:1px solid var(--ink)}
.spec li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.spec b{color:var(--ink);font-weight:700}
.spec span{color:var(--muted)}

/* ── 숫자 ── */
.figures{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.figures div{padding:36px 28px;background:var(--bg-alt);border-radius:8px}
.figures b{display:inline-block;font-variant-numeric:tabular-nums;font-size:clamp(34px,3.4vw,48px);font-weight:700;letter-spacing:-.03em;color:var(--navy);line-height:1.1}
.figures em{font-style:normal;font-size:18px;font-weight:600;color:var(--teal-dk);margin-left:4px}
.figures div>span{display:block;margin-top:10px;font-size:14px;color:var(--muted)}
.cert-note{margin-top:28px;font-size:14px;color:var(--muted)}

/* ── 문의 ── */
.contact{background:var(--navy-deep);color:#fff}
.contact .h2{color:#fff}
.contact .lead{color:#A9BDCC}
.contact .grid{display:grid;grid-template-columns:1fr 1.15fr;gap:72px;align-items:start}
.contact dl{display:grid;grid-template-columns:72px 1fr;gap:16px 16px;margin-top:40px;font-size:15.5px}
.contact dt{color:#7F98AB;font-weight:600}
.contact dd{color:#E6EDF2}
.contact .btn{margin-top:40px}
.map{border-radius:6px;min-height:340px;background:#0E2C42 repeating-linear-gradient(45deg,transparent 0 14px,rgba(255,255,255,.025) 14px 28px);display:flex;align-items:center;justify-content:center;color:#7F98AB;font-size:15px;border:1px solid rgba(255,255,255,.08)}

footer{background:var(--navy-ink);color:#7F98AB;font-size:13.5px;line-height:1.9;padding:44px 0}
footer .row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer b,footer a{color:#E6EDF2;font-weight:600}


/* ── 반응형 ── */
@media (max-width:1024px){
  .products{grid-template-columns:1fr 1fr}
  .p-card.feature{grid-row:auto;grid-column:1/3}
  .split,.contact .grid{grid-template-columns:1fr;gap:48px}
}
@media (max-width:900px){
  .burger{display:block}
  .menu{position:fixed;inset:76px 0 auto;flex-direction:column;align-items:stretch;gap:0;background:#fff;color:var(--ink);padding:8px var(--gutter) 24px;box-shadow:0 12px 24px rgba(0,0,0,.08);display:none}
  .menu.open{display:flex}
  .menu a{padding:14px 0}
  .menu .btn{margin-top:16px;justify-content:center;border:0}
}
@media (max-width:768px){
  section{padding:72px 0}
  .hero .wrap{min-height:max(560px,88dvh);padding-top:110px;padding-bottom:110px}
  .dots{bottom:28px}
  .hero-fact{margin-top:32px}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:36px}
  .products{grid-template-columns:1fr}
  .p-card.feature{grid-column:auto}
  .band .bg{inset:0}
  .band .bg::after{background:rgba(7,24,38,.72)}
  .figures{grid-template-columns:1fr 1fr}
  .figures div{padding:28px 20px}
  .spec li{grid-template-columns:96px 1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .slide{transition:none}
  .slide video{display:none}
}

/* ── 메인 히어로: 모션 영상 ── */
.hero-media{position:absolute;inset:0;background:var(--navy-ink) url(../assets/hero_poster.jpg) 70% 50%/cover}
.hero-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% 50%}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,24,38,.88) 0%,rgba(7,24,38,.55) 34%,rgba(7,24,38,0) 58%)}
.hero h1 .ln{display:block;overflow:hidden}
.hero h1 .ln>span{display:block;animation:rise 1s var(--ease) both}
.hero h1 .ln:nth-child(2)>span{animation-delay:.12s}
.hero-copy>p,.hero .cta{animation:fade 1s .35s var(--ease) both}
@keyframes rise{from{transform:translateY(105%)}to{transform:none}}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.hero-pause{position:absolute;left:var(--gutter);bottom:36px;display:inline-flex;align-items:center;gap:8px;background:none;border:1px solid rgba(255,255,255,.28);border-radius:40px;color:#C9D6E0;font:600 13px Pretendard,sans-serif;padding:8px 14px 8px 12px;cursor:pointer;transition:border-color .2s,color .2s}
.hero-pause:hover{border-color:#fff;color:#fff}
.hero-pause svg{width:12px;height:12px;fill:currentColor}
.hero-pause .i-play{display:none}
.hero-pause[aria-pressed="true"] .i-play{display:block}
.hero-pause[aria-pressed="true"] .i-pause{display:none}

/* ── 서브페이지 머리 ── */
.page-hero{position:relative;color:#fff;background:var(--navy-ink);overflow:hidden;padding:184px 0 104px}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);mask-image:linear-gradient(90deg,transparent,#000 60%)}
.ph-media{position:absolute;top:0;bottom:0;right:0;width:50%;clip-path:polygon(22% 0,100% 0,100% 100%,0 100%)}
.ph-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) brightness(.82)}
.ph-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,24,38,.75),rgba(7,24,38,0) 32%),linear-gradient(90deg,rgba(7,24,38,.55),rgba(7,24,38,.1) 60%)}
.ph-edge{position:absolute;top:0;bottom:0;right:0;width:50%;pointer-events:none}
.ph-edge line{stroke:var(--teal);stroke-width:2}
.page-hero .wrap{position:relative}
.crumb{display:flex;gap:10px;font-size:13.5px;color:#8FA6B8;margin-bottom:22px}
.crumb a:hover{color:#fff}
.page-hero h1{font-size:clamp(36px,4.2vw,58px);line-height:1.15;font-weight:700;letter-spacing:-.035em;max-width:11em}
.page-hero p{margin-top:20px;color:#C9D6E0;max-width:30em;font-size:18px}

/* ── 페이지 안 이동 ── */
.local{position:sticky;top:76px;z-index:40;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.local .wrap{display:flex;gap:36px;overflow-x:auto;scrollbar-width:none}
.local a{flex:none;padding:18px 0 16px;font-size:15px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.local a:hover{color:var(--ink)}
.local a.on{color:var(--ink);border-color:var(--teal)}
.sub section{padding:112px 0 120px;scroll-margin-top:136px}
.sub .h2{margin-bottom:14px}
.sub .sec-head{margin-bottom:48px}

/* ── 공통 부품 ── */
.prose p{max-width:62ch;margin-top:18px}
.prose .sign{margin-top:36px;font-weight:700;color:var(--ink)}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px}
.figure figcaption{margin-top:12px;font-size:14px;color:var(--muted)}
.notice{margin-top:24px;font-size:14.5px;color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.facts div{padding:28px 28px 30px 0;border-bottom:1px solid var(--line)}
.facts div:not(:nth-child(3n+1)){padding-left:28px;border-left:1px solid var(--line)}
.facts dt{font-size:14px;color:var(--muted);font-weight:600}
.facts dd{margin-top:8px;font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.5}
.steps{display:grid;grid-template-columns:repeat(var(--n,4),1fr);gap:24px;list-style:none;position:relative;margin-top:8px}
.steps li{position:relative;padding-top:34px}
.steps li::before{content:"";position:absolute;left:0;right:-24px;top:7px;height:1px;background:var(--line)}
.steps li:last-child::before{right:0}
.steps li::after{content:"";position:absolute;left:0;top:0;width:15px;height:15px;border-radius:50%;background:#fff;border:2px solid var(--teal);box-sizing:border-box}
.alt .steps li::after{background:var(--bg-alt)}
.steps b{display:block;font-size:20px;color:var(--ink);letter-spacing:-.02em}
.steps span{display:block;margin-top:8px;font-size:15px;line-height:1.65;color:var(--body)}
.cards{display:grid;grid-template-columns:repeat(var(--n,3),1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 28px}
.alt .card{border-color:transparent}
.card b{display:block;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.card span{display:block;margin-top:8px;font-size:15px;color:var(--body);line-height:1.65}
.card .todo,.steps .todo{display:inline-block;margin:0}
.card svg{width:30px;height:30px;stroke:var(--teal-dk);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:20px}
.cta-box{position:relative;margin-top:72px;background:var(--navy-ink);color:#fff;border-radius:10px;padding:48px 52px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;overflow:hidden}
.cta-box::before{content:"";position:absolute;top:0;bottom:0;right:-40px;width:42%;background:linear-gradient(90deg,rgba(3,153,159,.0),rgba(3,153,159,.16));clip-path:polygon(22% 0,100% 0,100% 100%,0 100%)}
.cta-box>*{position:relative}
.cta-box h3{font-size:26px;font-weight:700;letter-spacing:-.02em}
.cta-box p{color:#B9C9D6;margin-top:6px}
.cta-box .btns{display:flex;gap:12px;flex-wrap:wrap}
.btn-line{border:1px solid var(--line);color:var(--ink);background:#fff}
.btn-line:hover{border-color:var(--ink)}

/* 회사소개 */
.timeline{list-style:none;border-top:1px solid var(--ink)}
.timeline>li{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:30px 0;border-bottom:1px solid var(--line)}
.timeline .yr{font-size:30px;font-weight:700;color:var(--navy);letter-spacing:-.02em;line-height:1.2;font-variant-numeric:tabular-nums}
.timeline .now .yr{color:var(--teal-dk)}
.timeline ul{list-style:none}
.timeline ul li{display:grid;grid-template-columns:52px 1fr;gap:12px;padding:3px 0}
.timeline ul em{font-style:normal;color:var(--muted);font-variant-numeric:tabular-nums}
.timeline ul span{color:var(--ink)}
.loc{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.loc .addr{font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.45}
.loc .btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.info{width:100%;border-collapse:collapse;margin-top:32px;font-size:16px}
.info th,.info td{padding:16px 0;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.info th{width:120px;color:var(--ink);font-weight:700}

/* 제품·공정 */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod{background:var(--bg-alt);border-radius:8px;padding:28px 26px 26px;display:flex;flex-direction:column}
.prod .ph{height:190px;display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.prod .ph img{max-height:190px;width:auto;object-fit:contain}
.prod h3{font-size:20px;color:var(--ink);font-weight:700}
.prod p{font-size:15px;color:var(--body);margin-top:6px;line-height:1.65}
.proc{display:grid;grid-template-columns:1.1fr 1fr;gap:72px;align-items:center;padding:48px 0}
.proc+.proc{border-top:1px solid var(--line)}
.proc .pic{position:relative}
.proc .pic{overflow:hidden;border-radius:6px}
.proc img{width:100%;aspect-ratio:4/3;object-fit:cover;transform:scale(1.12);transform-origin:70% 100%}
.proc:nth-child(even) .pic{order:2}
.proc h3{font-size:30px;color:var(--ink);font-weight:700;letter-spacing:-.03em}
.proc p{margin-top:14px;max-width:46ch}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;list-style:none}
.tags li{background:var(--bg-alt);border-radius:4px;padding:7px 12px;font-size:14.5px;font-weight:600;color:var(--ink)}
.alt .tags li{background:#fff}

/* 설비·품질 */
.equip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.equip figure{position:relative;border-radius:8px;overflow:hidden;background:var(--navy-ink)}
.equip img{width:100%;aspect-ratio:4/3;object-fit:cover;transform:scale(1.14);transform-origin:65% 100%;transition:transform .5s var(--ease)}
.equip figure:hover img{transform:scale(1.18)}
.equip figcaption{position:absolute;left:0;right:0;bottom:0;padding:48px 22px 20px;color:#fff;font-weight:700;font-size:18px;background:linear-gradient(transparent,rgba(7,24,38,.85))}
.equip figcaption span{display:block;font-weight:400;font-size:14px;color:#C9D6E0;margin-top:2px}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-grid figure{background:var(--bg-alt);border-radius:8px;padding:22px 22px 20px}
.cert-grid a{display:block;background:#fff;box-shadow:0 1px 2px rgba(7,24,38,.08),0 8px 24px rgba(7,24,38,.08);transition:transform .3s var(--ease)}
.cert-grid a:hover{transform:translateY(-3px)}
.cert-grid img{width:100%;aspect-ratio:1/1.414;object-fit:contain;background:#fff}
.cert-grid figcaption{margin-top:16px;font-weight:700;color:var(--ink);font-size:17px}
.cert-grid figcaption span{display:block;font-weight:400;font-size:14px;color:var(--muted);margin-top:2px}
.patents{list-style:none;border-top:1px solid var(--ink);margin-top:8px}
.patents li{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink);font-weight:600}
.patents li span{color:var(--muted);font-weight:400;font-size:14.5px;flex:none}

/* 문의 */
.contact-cards{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.contact-cards .card{padding:34px 32px}
.contact-cards .big{display:block;margin-top:12px;font-size:clamp(20px,1.9vw,26px);font-weight:700;color:var(--ink);letter-spacing:-.02em;word-break:break-all}
.contact-cards small{display:block;font-size:14px;color:var(--muted);font-weight:600}
.checklist{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.checklist li{background:#fff;border-radius:6px;padding:18px 22px;color:var(--ink);font-weight:700}
.checklist li span{display:block;font-weight:400;font-size:14.5px;color:var(--body);margin-top:2px}

/* 개인정보처리방침 */
.policy-wrap{display:grid;grid-template-columns:240px 1fr;gap:72px;align-items:start}
.toc{position:sticky;top:120px;list-style:none;font-size:14.5px;border-left:1px solid var(--line)}
.toc a{display:block;padding:6px 0 6px 16px;color:var(--muted)}
.toc a:hover{color:var(--ink)}
.policy h2{font-size:21px;color:var(--ink);margin:44px 0 10px;scroll-margin-top:110px}
.policy h2:first-of-type{margin-top:0}
.policy p,.policy li{max-width:72ch;color:var(--body)}
.policy ul{margin:8px 0 0 20px}

/* 푸터 */
footer{padding:72px 0 40px}
.ft{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.ft .brand{color:#fff}
.ft .brand .sym-a{fill:#E8EEF3}
.ft p{margin-top:16px;max-width:30em}
.ft h4{font-size:13px;letter-spacing:.08em;color:#C9D6E0;margin-bottom:12px}
.ft nav a{display:block;color:#9FB2C2;font-weight:500;padding:2px 0}
.ft nav a:hover{color:#fff}
.ft-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px}

@media (max-width:1024px){
  .prod-grid,.equip,.cards,.cert-grid{grid-template-columns:1fr 1fr}
  .contact-cards{grid-template-columns:1fr 1fr}
  .contact-cards .card:first-child{grid-column:1/3}
  .steps{grid-template-columns:1fr 1fr;row-gap:40px}
  .steps li:nth-child(2n)::before{right:0}
  .loc,.policy-wrap{grid-template-columns:1fr;gap:40px}
  .toc{display:none}
  .ft{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .hero-media video,.hero-media{object-position:72% 50%;background-position:72% 50%}
  .hero-media::after{background:rgba(7,24,38,.7)}
  .hero-pause{bottom:24px}
  .page-hero{padding:136px 0 64px}
  .ph-media,.ph-edge{width:100%;clip-path:none;opacity:.32}
  .ph-edge{display:none}
  .local{top:76px}
  .local .wrap{gap:24px}
  .sub section{padding:72px 0 80px;scroll-margin-top:130px}
  .prod-grid,.equip,.cards,.checklist,.contact-cards,.steps,.facts{grid-template-columns:1fr}
  .contact-cards .card:first-child{grid-column:auto}
  .steps li::before{display:none}
  .facts div,.facts div:not(:nth-child(3n+1)){padding:20px 0;border-left:0}
  .proc{grid-template-columns:1fr;gap:24px;padding:36px 0}
  .proc:nth-child(even) .pic{order:0}
  .timeline>li{grid-template-columns:1fr;gap:10px;padding:24px 0}
  .timeline .yr{font-size:24px}
  .cta-box{padding:32px 26px}
  .ft{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .hero h1 .ln>span,.hero-copy>p,.hero .cta{animation:none}
}