/* ===== 트러스하우스 · A(보수 B2B) 멀티페이지 공유 스타일 ===== */
:root{
  --green:#1f3a2c; --green-dk:#152319; --green-light:#eef1ec;
  --terra:#d67c4d; --amber:#f0a878;
  --bg:#fcfbf8; --bg-sec:#f3f1ea;
  --t1:#1c2a22; --t2:#5a6b60; --t3:#8a8475; --line:rgba(28,42,34,.1);
  --max:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Pretendard',sans-serif;color:var(--t1);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
::selection{background:var(--green);color:#fff}
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}
.imwrap{overflow:hidden;background:#e9e6dd;position:relative}
.imwrap img{width:100%;height:100%;object-fit:cover}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:9px;font-weight:700;transition:filter .2s,transform .2s;cursor:pointer}
.btn:hover{filter:brightness(.93);transform:translateY(-1px)}
.btn-terra{background:var(--terra);color:#fff;padding:14px 26px;font-size:16px;box-shadow:0 8px 22px rgba(214,124,77,.3)}
.btn-green{background:var(--green);color:#fff;padding:11px 20px;font-size:15px}
.btn-ghost{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.35);color:#fff;padding:14px 26px;font-size:16px}
.label{color:var(--terra);font-weight:700;font-size:15px;letter-spacing:.02em}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--t3);text-transform:uppercase;font-weight:600}

/* header */
.hd{position:sticky;top:0;z-index:50;background:rgba(252,251,248,.93);backdrop-filter:blur(8px);border-bottom:1px solid rgba(28,42,34,.08)}
.hd-in{max-width:var(--max);margin:0 auto;padding:15px 40px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:11px}
.logo .mk{width:32px;height:32px;background:var(--green);border-radius:7px;display:flex;align-items:center;justify-content:center}
.logo .nm{font-weight:800;font-size:19px;letter-spacing:-.01em;line-height:1}
.logo .en{font-size:9px;letter-spacing:.18em;color:var(--t3);font-weight:600}
.gnb{display:flex;align-items:center;gap:24px;font-size:15px;font-weight:500;color:#3a4a40}
.gnb a.active{color:var(--green);font-weight:700}
.gnb a:hover{color:var(--green)}
.menu-btn{display:none;background:none;border:0;font-size:22px;cursor:pointer}

/* page hero (sub pages) */
.phero{background:var(--green);color:#fff;padding:74px 0 64px}
.phero .eyebrow{color:var(--amber)}
.phero h1{font-size:46px;font-weight:800;letter-spacing:-.025em;line-height:1.15;margin:14px 0 16px}
.phero p{font-size:18px;color:rgba(255,255,255,.82);max-width:640px;line-height:1.65}
.crumb{font-size:13px;color:rgba(255,255,255,.55);margin-bottom:6px}

/* section */
.sec{padding:96px 0}
.sec.alt{background:var(--bg-sec)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-head h2{font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1.2;margin:12px 0 16px}
.sec-head p{font-size:18px;color:var(--t2)}
.h2l{font-size:34px;font-weight:800;letter-spacing:-.02em;line-height:1.25}

/* generic grids */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.card .pad{padding:26px}
.card h3{font-size:20px;font-weight:800;margin-bottom:8px}
.card p{color:var(--t2);font-size:15px;line-height:1.6}

/* feature row (icon+title+desc) */
.feat{display:flex;gap:16px;align-items:flex-start}
.feat .ic{flex-shrink:0;width:46px;height:46px;background:var(--green-light);border:1px solid rgba(31,58,44,.12);border-radius:11px;display:flex;align-items:center;justify-content:center}
.feat h4{font-weight:700;font-size:18px;margin-bottom:4px}
.feat p{color:var(--t2);font-size:15px;line-height:1.6}

/* spec table */
.spec{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.spec th{background:var(--green);color:#fff;text-align:left;font-weight:600;padding:14px 18px;font-size:14px;letter-spacing:.02em}
.spec td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--t1);vertical-align:top}
.spec tr:last-child td{border-bottom:0}
.spec td.k{font-weight:700;color:var(--green);width:200px;background:#fafbf9}
.spec .ok{color:#2e7d32;font-weight:600;font-size:13px}

/* cert cards */
.cert{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:10px}
.cert .badge{width:48px;height:48px;border-radius:10px;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-size:22px}
.cert h4{font-size:16px;font-weight:800}
.cert p{font-size:14px;color:var(--t2);line-height:1.55}
.cert .stat{font-size:12px;font-weight:700;letter-spacing:.04em;padding:3px 9px;border-radius:999px;align-self:flex-start}
.stat-have{background:#e7f3e8;color:#2e7d32}
.stat-soon{background:#fdf0e6;color:#c2622f}

/* case list (dense) */
.caserow{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:20px}
.caserow .ph{aspect-ratio:16/10}
.caserow .info{padding:28px 30px;display:flex;flex-direction:column;justify-content:center}
.caserow .tags{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}
.tagchip{font-size:12px;font-weight:600;color:var(--green);background:var(--green-light);padding:4px 10px;border-radius:999px}
.caserow h3{font-size:22px;font-weight:800;margin-bottom:10px}
.caserow .meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;font-size:14px;color:var(--t2);margin-bottom:12px}
.caserow .meta b{color:var(--t1);font-weight:700}
.caserow .res{font-size:14px;color:#2e7d32;font-weight:600}

/* video */
.vid{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;border:1px solid var(--line)}
.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* CTA band */
.ctaband{background:var(--green);color:#fff;text-align:center;padding:80px 40px}
.ctaband h2{font-size:34px;font-weight:800;letter-spacing:-.02em;margin-bottom:14px}
.ctaband p{color:rgba(255,255,255,.8);font-size:17px;margin-bottom:28px}
.ctaband .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* footer */
.ft{background:var(--green-dk);color:rgba(255,255,255,.7)}
.ft-in{max-width:var(--max);margin:0 auto;padding:54px 40px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px}
.ft .nm{color:#fff;font-weight:800;font-size:18px;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.ft p{font-size:14px;line-height:1.7;max-width:380px}
.ft .info{font-size:14px;line-height:2}
.ft .info b{color:#fff;font-weight:700}
.ft-btm{border-top:1px solid rgba(255,255,255,.1)}
.ft-btm div{max-width:var(--max);margin:0 auto;padding:18px 40px;font-size:12px;color:rgba(255,255,255,.4)}

.note{text-align:center;margin-top:24px;font-size:13px;color:var(--t3)}

@media(max-width:860px){
  .wrap,.hd-in,.ft-in,.ft-btm div{padding-left:22px;padding-right:22px}
  .gnb{display:none}.menu-btn{display:block}
  .grid2,.grid3,.grid4,.caserow{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .phero h1{font-size:34px}.sec-head h2{font-size:30px}.h2l{font-size:27px}
  .caserow .meta{grid-template-columns:1fr}
  .sec{padding:64px 0}
}