/* ============================================================
   DNP Solution - 사업영역 상세 페이지 전용 스타일 (detail.css)
   텍스트 중심의 깔끔한 서비스 상세 페이지 컴포넌트
   ============================================================ */

/* ============ BREADCRUMB ============ */
.crumb{
  display:flex; align-items:center; gap:8px; font-size:13px; color:var(--fog-soft);
  margin-bottom:28px; flex-wrap:wrap;
}
.crumb a{color:var(--fog-soft); transition:color .2s;}
.crumb a:hover{color:var(--blue);}
.crumb .sep{color:var(--fog); opacity:.5;}
.crumb .current{color:var(--blue); font-weight:600;}

/* ============ DETAIL HERO (텍스트 중심) ============ */
.detail-hero{
  padding:168px 0 0;
  background:linear-gradient(180deg, var(--paper-alt) 0%, var(--paper) 100%);
}
.detail-hero > .wrap{ padding-bottom:56px; }
.detail-hero .detail-num{
  font-family:var(--font-m); font-weight:900; font-size:15px; color:var(--blue);
  letter-spacing:.08em; margin-bottom:16px; display:block;
}
.detail-hero h1{
  font-size:clamp(30px, 4.4vw, 52px);
  max-width:820px;
  margin-bottom:24px;
}
.detail-hero .lead{
  font-size:17.5px; color:var(--fog-soft); max-width:720px; line-height:1.75;
  white-space:pre-line;
}
.detail-hero .tag-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:32px;}
.tag-chip{
  font-family:var(--font-m); font-weight:600; font-size:13px; color:var(--blue);
  background:#fff; border:1px solid rgba(36,83,235,0.22); padding:9px 18px;
  border-radius:999px;
}

/* ============ 히어로 하단 이미지 배너 (웨이브 컷) ============ */
.hero-media{
  position:relative;
  width:100%;
  height:min(52vh, 460px);
  min-height:280px;
  overflow:hidden;
  margin-top:56px;
}
.hero-media img{
  width:100%; height:100%; object-fit:cover; display:block;
}
.hero-media::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(11,18,32,0) 55%, rgba(11,18,32,0.35) 100%);
}
.hero-media-badge{
  position:absolute; left:50%; top:58%; transform:translate(-50%,-50%);
  z-index:2;
  background:rgba(11,18,32,0.55); backdrop-filter:blur(6px);
  color:#fff; font-family:var(--font-m); font-weight:700; font-size:11.5px;
  letter-spacing:.16em; text-transform:uppercase;
  padding:11px 22px; border-radius:999px; white-space:nowrap;
}
.hero-wave{
  position:absolute; bottom:-2px; left:0; width:100%; height:64px; z-index:2; display:block;
}
@media(max-width:720px){
  .hero-media{ height:34vh; min-height:220px; margin-top:36px; }
  .hero-media-badge{ font-size:10px; padding:9px 16px; }
  .hero-wave{ height:36px; }
}

/* ============ 소개 문단 (섹션 안 텍스트 블록) ============ */
.detail-intro{max-width:760px;}
.detail-intro p{font-size:16.5px; color:var(--fog-soft); line-height:1.85; margin-bottom:16px;}
.detail-intro p:last-child{margin-bottom:0;}

/* 한 섹션 안에 여러 소주제를 쌓을 때 사용하는 구획 제목 */
.subsection-head{margin-top:88px;}
.subsection-head:first-child{margin-top:0;}
.subsection-head h2{font-size:clamp(22px,3vw,30px); margin-bottom:14px; max-width:640px;}

/* ============ 2단 기능 그리드 (카테고리 + 불릿 리스트) ============ */
.feature-grid{
  display:grid; grid-template-columns:repeat(2, 1fr); gap:28px; margin-top:48px;
}
@media(max-width:820px){.feature-grid{grid-template-columns:1fr;}}
.feature-grid.cols-3{grid-template-columns:repeat(3, 1fr);}
@media(max-width:900px){.feature-grid.cols-3{grid-template-columns:1fr;}}
.feature-card{
  background:#fff; border:1px solid var(--line); border-radius:18px; padding:32px;
}
.section.alt .feature-card{background:#fff;}
.feature-card .fc-title{
  font-family:var(--font-d); font-weight:700; font-size:17px; color:var(--ink);
  margin-bottom:18px; padding-bottom:16px; border-bottom:1px solid var(--line);
  display:flex; align-items:center; gap:10px;
}
.feature-card .fc-title::before{
  content:""; width:8px; height:8px; border-radius:50%; background:var(--blue); flex-shrink:0;
}
.feature-card ul{display:flex; flex-direction:column; gap:11px;}
.feature-card li{
  font-size:14.5px; color:var(--fog-soft); line-height:1.55; padding-left:18px; position:relative;
}
.feature-card li::before{
  content:""; position:absolute; left:0; top:9px; width:5px; height:5px; border-radius:50%; background:var(--blue); opacity:.55;
}

/* ============ 프로세스 스텝 (번호 타임라인) ============ */
.process-steps{
  display:grid; grid-template-columns:repeat(5, 1fr); gap:20px; margin-top:48px;
}
@media(max-width:1000px){.process-steps{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.process-steps{grid-template-columns:1fr;}}
.process-step{
  background:#fff; border:1px solid var(--line); border-radius:16px; padding:26px 22px;
  position:relative;
}
.process-step .ps-num{
  font-family:var(--font-m); font-weight:900; font-size:26px; color:var(--blue-soft);
  -webkit-text-stroke:1.5px var(--blue); color:transparent;
  margin-bottom:14px; display:block; line-height:1;
}
.process-step h4{font-size:15.5px; margin-bottom:10px; line-height:1.4;}
.process-step p{font-size:13px; color:var(--fog-soft); line-height:1.6;}
.process-steps .process-step:not(:last-child)::after{
  content:"";
}
@media(min-width:1001px){
  .process-step:not(:last-child){
    background-image: none;
  }
}

/* 업그레이드 페이지: 개선 솔루션 태그 리스트 */
.solution-tags{display:flex; flex-wrap:wrap; gap:12px; margin-top:36px;}
.solution-tag{
  background:#fff; border:1px solid rgba(36,83,235,0.2); color:var(--blue);
  font-weight:600; font-size:14.5px; padding:14px 24px; border-radius:12px;
  flex:1 1 200px; text-align:center;
}

/* ============ OEM 3카드 ============ */
.oem-cards{display:grid; grid-template-columns:repeat(3, 1fr); gap:24px; margin-top:48px;}
@media(max-width:900px){.oem-cards{grid-template-columns:1fr;}}
.oem-card{
  background:#fff; border:1px solid var(--line); border-radius:20px; padding:36px 30px;
  display:flex; flex-direction:column;
}
.oem-card .oc-num{
  font-family:var(--font-m); font-weight:900; font-size:36px; color:var(--blue); line-height:1; margin-bottom:18px;
}
.oem-card h3{font-size:19px; margin-bottom:6px;}
.oem-card .oc-en{
  font-family:var(--font-m); font-size:12px; font-weight:600; color:var(--fog); letter-spacing:.04em; margin-bottom:16px; display:block;
}
.oem-card p{font-size:14.5px; color:var(--fog-soft); line-height:1.7; margin-bottom:20px; flex:1;}
.oem-card .oc-tags{font-size:13px; color:var(--blue); font-weight:600; line-height:1.8; padding-top:16px; border-top:1px solid var(--line);}

/* ============ AI 핵심 기능 4그리드 ============ */
.core-label{
  font-family:var(--font-m); font-weight:700; font-size:12px; color:var(--fog); letter-spacing:.35em;
  text-align:center; margin:56px 0 24px;
}
.core-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:20px;}
@media(max-width:900px){.core-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.core-grid{grid-template-columns:1fr;}}
.core-card{
  background:#fff; border:1px solid var(--line); border-radius:18px; padding:28px 24px;
}
.core-card .cc-num{
  font-family:var(--font-m); font-weight:900; font-size:13px; color:var(--blue); margin-bottom:14px; letter-spacing:.05em;
}
.core-card h4{font-size:16.5px; margin-bottom:10px;}
.core-card p{font-size:13.5px; color:var(--fog-soft); line-height:1.65;}

.use-case-list{display:flex; flex-direction:column; gap:14px; margin-top:32px; max-width:720px;}
.use-case-item{
  display:flex; align-items:flex-start; gap:14px; background:#fff; border:1px solid var(--line);
  border-radius:14px; padding:18px 22px; font-size:15px; color:var(--ink); font-weight:500; line-height:1.6;
}
.use-case-item .uc-dot{
  width:8px; height:8px; border-radius:50%; background:var(--blue); flex-shrink:0; margin-top:8px;
}

/* ============ LED 제품 라인업 ============ */
.lineup-label{
  font-family:var(--font-m); font-weight:700; font-size:12px; color:var(--fog); letter-spacing:.3em;
  margin-bottom:24px;
}
.lineup-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; margin-top:24px;}
@media(max-width:900px){.lineup-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.lineup-grid{grid-template-columns:1fr;}}
.lineup-card{
  background:#fff; border:1px solid var(--line); border-radius:18px; padding:28px 24px;
}
.lineup-card .lc-top{display:flex; align-items:center; justify-content:space-between; margin-bottom:16px;}
.lineup-card .lc-num{font-family:var(--font-m); font-weight:900; font-size:22px; color:var(--blue-soft); -webkit-text-stroke:1.3px var(--blue); color:transparent;}
.lineup-card .lc-badge{
  font-family:var(--font-m); font-weight:700; font-size:10.5px; color:var(--blue); letter-spacing:.08em;
  background:var(--blue-soft); padding:5px 10px; border-radius:999px;
}
.lineup-card h4{font-size:16px; margin-bottom:14px;}
.lineup-card ul{display:flex; flex-direction:column; gap:8px;}
.lineup-card li{font-size:13.5px; color:var(--fog-soft); padding-left:14px; position:relative;}
.lineup-card li::before{content:"·"; position:absolute; left:0; color:var(--blue); font-weight:900;}

/* ============ 하단 CTA 밴드 ============ */
.detail-cta-band{
  background:var(--paper-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  padding:64px 0; text-align:center;
}
.detail-cta-band h3{font-size:clamp(20px,3vw,28px); margin-bottom:14px;}
.detail-cta-band p{color:var(--fog-soft); font-size:15px; margin-bottom:28px;}
.detail-cta-band .cta-btns{display:flex; gap:12px; justify-content:center; flex-wrap:wrap;}

/* ============ 다른 사업영역 더보기 ============ */
.more-nav{display:flex; justify-content:space-between; align-items:center; margin-top:20px; gap:16px; flex-wrap:wrap;}
.more-nav a{
  font-size:14px; font-weight:600; color:var(--blue); display:inline-flex; align-items:center; gap:6px;
}
.more-nav a:hover{text-decoration:underline;}