/* ============================================================
   Schulz & Berger × ACI ENTECH — acieconchem.com 서브페이지
   ============================================================ */
:root{
  --navy:#0d2536;
  --navy-2:#123a52;
  --green:#76b82a;
  --green-d:#5f9a1f;
  --ink:#22313c;
  --gray:#5d6b76;
  --line:#e3e8ec;
  --bg:#f6f8f9;
  --w:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Malgun Gothic','Apple SD Gothic Neo',sans-serif;color:var(--ink);line-height:1.65;background:#fff;word-break:keep-all}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.topbar{background:var(--navy);color:#c8d4dd;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a:hover{color:#fff}
header.site{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;color:var(--navy)}
.brand .bx{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#fff;border-radius:8px;font-size:13px;font-weight:800;padding:6px 10px;letter-spacing:.5px}
.brand small{display:block;font-size:11px;font-weight:600;color:var(--gray);letter-spacing:.4px}
nav.gnb{display:flex;gap:6px}
nav.gnb a{padding:10px 16px;border-radius:8px;font-weight:600;font-size:15px;color:var(--ink)}
nav.gnb a:hover{background:var(--bg);color:var(--green-d)}
nav.gnb a.on{color:var(--green-d);font-weight:800}
.menu-btn{display:none;background:none;border:0;font-size:26px;color:var(--navy);cursor:pointer}

/* ---------- Hero / page head ---------- */
.hero{position:relative;color:#fff;background:var(--navy)}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.55}
.hero .in{position:relative;padding:110px 24px 120px;max-width:var(--w);margin:0 auto}
.hero .tag{display:inline-block;background:var(--green);color:#fff;font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;letter-spacing:.5px;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin-bottom:16px}
.hero p{font-size:18px;color:#dfe8ee;max-width:640px}
.hero .btns{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 28px;border-radius:10px;font-weight:700;font-size:15px;transition:.2s}
.btn.g{background:var(--green);color:#fff}
.btn.g:hover{background:var(--green-d)}
.btn.o{border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn.o:hover{background:rgba(255,255,255,.12)}
.btn.n{background:var(--navy);color:#fff}
.btn.n:hover{background:#173d55}

.pagehead{position:relative;color:#fff;background:var(--navy)}
.pagehead .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5}
.pagehead .in{position:relative;padding:72px 24px;max-width:var(--w);margin:0 auto}
.pagehead h1{font-size:36px;font-weight:800}
.pagehead p{margin-top:8px;color:#dfe8ee;font-size:16px}
.crumb{font-size:13px;color:#b9c8d3;margin-bottom:14px}
.crumb a:hover{color:#fff}

/* ---------- Sections ---------- */
section{padding:80px 0}
section.alt{background:var(--bg)}
.sec-label{color:var(--green-d);font-weight:800;font-size:14px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:10px}
h2.sec{font-size:32px;font-weight:800;color:var(--navy);margin-bottom:14px}
p.lead{font-size:17px;color:var(--gray);max-width:820px;margin-bottom:40px}

/* ---------- Cards ---------- */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;display:flex;flex-direction:column}
.card:hover{box-shadow:0 12px 32px rgba(13,37,54,.12);transform:translateY(-4px)}
.card .ph{background:#fff;border-bottom:1px solid var(--line);aspect-ratio:16/10;display:flex;align-items:center;justify-content:center;padding:14px}
.card .ph img{max-height:100%;object-fit:contain}
.card .bd{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.card h3{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:4px}
.card .en{font-size:12.5px;font-weight:700;color:var(--green-d);letter-spacing:.6px;margin-bottom:10px;text-transform:uppercase}
.card p{font-size:14.5px;color:var(--gray);flex:1}
.card .spec{margin-top:14px;font-size:13px;color:var(--navy);background:var(--bg);border-radius:8px;padding:8px 12px;font-weight:600}
.card .more{margin-top:16px;font-weight:700;font-size:14px;color:var(--green-d)}
.card .more:after{content:' →'}

/* ---------- Feature rows ---------- */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0}
.frow .im{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}
.frow h3{font-size:24px;font-weight:800;color:var(--navy);margin-bottom:6px}
.frow .en{color:var(--green-d);font-weight:700;font-size:13px;letter-spacing:.8px;margin-bottom:14px;text-transform:uppercase}
.frow p{color:var(--gray);font-size:15.5px}
.frow ul{margin-top:14px;list-style:none}
.frow li{padding-left:26px;position:relative;margin-bottom:8px;font-size:14.5px;color:var(--ink)}
.frow li:before{content:'✓';position:absolute;left:0;top:0;color:var(--green);font-weight:800}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .st{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px 16px}
.stats b{display:block;font-size:34px;font-weight:800;color:var(--green-d)}
.stats span{font-size:14px;color:var(--gray);font-weight:600}

/* ---------- Table ---------- */
table.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14.5px}
table.spec th,table.spec td{padding:13px 18px;border-bottom:1px solid var(--line);text-align:left}
table.spec th{background:var(--navy);color:#fff;font-weight:700;width:240px}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:0}

/* ---------- Timeline ---------- */
.tl{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.tl .t{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);border-radius:10px;padding:20px}
.tl b{font-size:20px;color:var(--navy);display:block;margin-bottom:6px}
.tl span{font-size:13.5px;color:var(--gray)}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--navy) 0%,#17405c 100%);color:#fff;text-align:center;padding:80px 24px}
.cta h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta p{color:#cfdbe4;margin-bottom:30px;font-size:16px}

/* ---------- Badges ---------- */
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.badge{background:#eef5e3;color:var(--green-d);font-weight:700;font-size:13px;padding:7px 14px;border-radius:999px}

/* ---------- Footer ---------- */
footer.site{background:var(--navy);color:#a8b8c4;font-size:13.5px}
footer.site .wrap{padding:52px 24px 40px}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:36px}
footer.site h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
footer.site li{list-style:none;margin-bottom:8px}
footer.site a:hover{color:#fff}
.copy{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:12.5px;color:#7f93a1}

/* ---------- Logo ---------- */
.brand img.lg{height:48px;width:auto;border-radius:6px}
.flogo{height:38px;width:auto;margin-bottom:16px;filter:brightness(0) invert(1);opacity:.92}

/* ---------- Video ---------- */
.video{position:relative;width:100%;aspect-ratio:16/9;border:0;border-radius:14px;background:#000;display:block}
.vidgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.vidcap{font-size:14px;font-weight:700;color:var(--navy);margin-top:10px}
.vidcap small{display:block;font-weight:500;color:var(--gray);font-size:12.5px}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .frow{grid-template-columns:1fr;gap:24px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .tl{grid-template-columns:repeat(2,1fr)}
  .fgrid{grid-template-columns:1fr}
  .vidgrid{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  nav.gnb{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;padding:12px;border-bottom:1px solid var(--line);box-shadow:0 16px 32px rgba(0,0,0,.08)}
  nav.gnb.open{display:flex}
  .menu-btn{display:block}
}
@media(max-width:600px){
  .g3,.g4,.g2{grid-template-columns:1fr}
  section{padding:56px 0}
  .hero .in{padding:70px 24px}
  table.spec th{width:130px}
}