/* ═══════════════════════════════════════════════════════════════
   CNX 공용 상세 모달 (밸류체인 5단계 / 사업분야)
   index.html · business.html · products.html 공유
   ═══════════════════════════════════════════════════════════════ */

/* 모달 백드롭 */
.cnx-modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:24px;
  background:rgba(8,10,14,.78);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);overflow-y:auto}
.cnx-modal.open{display:flex;animation:cnxFade .28s ease}
@keyframes cnxFade{from{opacity:0}to{opacity:1}}
.cnx-card{width:100%;max-width:920px;background:var(--surface);border:1px solid var(--border-strong);
  border-radius:16px;overflow:hidden;display:grid;grid-template-columns:5fr 7fr;box-shadow:0 30px 80px rgba(0,0,0,.55);
  position:relative;animation:cnxRise .35s cubic-bezier(.22,.61,.36,1);max-height:calc(100vh - 48px)}
@keyframes cnxRise{from{opacity:0;transform:translateY(18px) scale(.97)}to{opacity:1;transform:none}}

/* 좌측 이미지 */
.cnx-visual{position:relative;min-height:300px;background:#11151b;display:flex;flex-direction:column;justify-content:flex-end;padding:30px}
.cnx-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.cnx-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,18,.25),rgba(10,13,18,.92))}
.cnx-visual .vinner{position:relative;z-index:1}
.cnx-tag{display:inline-block;font-family:var(--font-body);font-size:11px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--copper-light);border:1px solid rgba(219,168,116,.4);
  background:rgba(201,138,74,.12);padding:6px 12px;border-radius:6px;margin-bottom:14px}
.cnx-visual h3{font-family:var(--font-display);font-weight:500;font-size:clamp(24px,3vw,32px);line-height:1.15;
  letter-spacing:-.01em;color:var(--ink-on-dark)}

/* 우측 본문 */
.cnx-body{padding:34px 34px 30px;overflow-y:auto;display:flex;flex-direction:column;gap:22px}
.cnx-close{position:absolute;top:16px;right:16px;z-index:3;width:38px;height:38px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--border-strong);color:var(--ink-2);font-size:20px;
  display:flex;align-items:center;justify-content:center;transition:all .25s}
.cnx-close:hover{background:rgba(255,255,255,.12);color:var(--ink-1)}
.cnx-lbl{font-family:var(--font-body);font-size:10.5px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--ink-3);display:block;margin-bottom:9px}
.cnx-desc{font-size:15.5px;line-height:1.8;color:var(--ink-2);word-break:keep-all}
.cnx-hr{height:1px;background:var(--border);border:0;margin:2px 0}
.cnx-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
@media(max-width:560px){.cnx-specs{grid-template-columns:1fr}}
.cnx-spec{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:8px;padding:12px 13px}
.cnx-spec .k{display:block;font-size:10.5px;color:var(--ink-3);margin-bottom:5px;letter-spacing:.02em}
.cnx-spec .v{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--ink-1);line-height:1.25}
.cnx-tech{list-style:none;display:flex;flex-direction:column;gap:11px;padding:0;margin:0}
.cnx-tech li{display:flex;gap:11px;font-size:14px;line-height:1.65;color:var(--ink-2)}
.cnx-tech li::before{content:"";flex-shrink:0;width:7px;height:7px;border-radius:50%;background:var(--copper);margin-top:8px}
.cnx-foot{display:flex;justify-content:flex-end;gap:12px;margin-top:auto;padding-top:6px}
@media(max-width:760px){.cnx-card{grid-template-columns:1fr;max-height:calc(100vh - 32px)}.cnx-visual{min-height:200px}}

/* 밸류체인 스텝 카드 그리드 */
.vc-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:48px}
@media(max-width:960px){.vc-steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.vc-steps{grid-template-columns:1fr}}
.vc-step{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:0;cursor:pointer;overflow:hidden;
  display:flex;flex-direction:column;transition:all .4s cubic-bezier(.22,.61,.36,1)}
.vc-step:hover{border-color:var(--copper);transform:translateY(-4px);box-shadow:0 20px 44px -18px rgba(0,0,0,.5)}
.vc-step .vs-thumb{position:relative;height:150px;background-size:cover;background-position:center;background-color:#11151b}
.vc-step .vs-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,13,18,.08),rgba(31,38,48,.6))}
.vc-step:hover .vs-thumb{filter:brightness(1.08)}
.vc-step .vs-ico{position:absolute;top:12px;right:12px;z-index:1;width:34px;height:34px;border-radius:9px;
  background:rgba(17,21,27,.7);border:1px solid rgba(201,138,74,.45);backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;color:var(--copper-light)}
.vc-step .vs-ico svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.7}
.vc-step .vs-pad{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.vc-step .vs-tag{font-family:var(--font-body);font-size:10px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.vc-step h4{font-family:var(--font-display);font-weight:500;font-size:18px;color:var(--ink-1);line-height:1.25;letter-spacing:-.01em}
.vc-step p{font-size:13px;line-height:1.6;color:var(--ink-2);flex:1}
.vc-step .vs-more{font-family:var(--font-body);font-size:10.5px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--copper);display:inline-flex;gap:6px;transition:gap .3s}
.vc-step:hover .vs-more{gap:12px}