/* =============== 디자인 토큰 (about/technology와 100% 동일) =============== */
  :root{
    --bg:#ffffff;
    --bg-soft:#fafafa;
    --bg-blush:#fdf0f1;
    --text:#1a1a1a;
    --text-mid:#555;
    --text-light:#888;
    --text-faint:#aaa;
    --border:#e8e8e8;
    --border-light:#f0f0f0;
    --accent:#e63946;
    --accent-dark:#d32f3f;
    --accent-soft:#fff5f5;
    --navy:#0f3460;
    --navy-soft:#eef3fb;
    --font-display:'Syne', sans-serif;
    --font-body:'Pretendard', sans-serif;
    --font-data:'Archivo', sans-serif;
  }

  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font-body);
    color:var(--text);
    background:var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}

  /* =============== 헤더 + 사이드 CTA (about/technology와 100% 동일) =============== */
  .site-header{
    position:fixed;top:0;left:0;right:0;z-index:100;
    background:transparent;
    transition:background 0.4s,border-color 0.4s;
    border-bottom:1px solid transparent;
  }
  .site-header.is-scrolled{
    background:rgba(255,255,255,0.97);
    backdrop-filter:blur(16px);
    border-bottom-color:var(--border-light);
  }
  .nav-w{
    position:relative;
    height:68px;
    padding:0 52px;
    display:flex;align-items:center;justify-content:center;
  }
  .brand-logo{
    position:absolute;
    left:52px;top:50%;transform:translateY(-50%);
    cursor:pointer;
    display:flex;align-items:center;
    flex-shrink:0;
  }
  .brand-logo svg{
    height:48px;width:auto;display:block;overflow:visible;
  }
  .nav-center{
    display:flex;align-items:center;gap:32px;
  }
  .nav-center a{
    font-size:15px;font-weight:500;
    color:#ffffff;
    letter-spacing:-0.01em;
    transition:color 0.3s;
  }
  .nav-center a:hover{color:var(--accent)}
  .nav-center a.is-current{color:var(--accent)}
  .nav-cta{
    position:absolute;
    right:52px;top:50%;transform:translateY(-50%);
    background:var(--accent);color:#fff !important;
    padding:9px 22px;border-radius:2px;
    font-size:14px;font-weight:500;letter-spacing:0;
    display:inline-flex;align-items:center;gap:8px;
    transition:background 0.2s;
  }
  .nav-cta:hover{background:var(--accent-dark);color:#fff !important}
  .db-qm{
    position:fixed;right:0;top:50%;transform:translateY(-50%);
    z-index:9000;display:flex;flex-direction:column;
    background:#e63946;
    border:none;
    border-radius:4px 0 0 4px;
    box-shadow:-4px 0 20px rgba(230,57,70,.35);
    overflow:hidden;
  }
  .db-qm a{
    display:flex;flex-direction:column;align-items:center;
    justify-content:center;gap:6px;
    padding:16px 12px;text-decoration:none;
    border-bottom:1px solid rgba(255,255,255,.2);
    color:#fff;
    font-family:'Syne', sans-serif;
    font-size:.62rem;font-weight:700;letter-spacing:.07em;
    text-align:center;transition:all .22s;
    min-width:62px;line-height:1.4;
  }
  .db-qm a:last-child{border-bottom:none}
  .db-qm a svg{transition:all .22s;stroke:#fff}
  .db-qm a:hover{background:rgba(0,0,0,.18);color:#fff}
  .db-qm a:hover svg{stroke:#fff}

  /* ===== 모바일 ===== */
  @media (max-width:560px){
    .db-qm a{padding:12px 10px;min-width:54px;font-size:.55rem}
    .db-qm a svg{width:16px;height:16px}
  }
  @media (max-width:980px){
    .nav-w{padding:0 24px;height:60px}
    .brand-logo{left:24px}
    .brand-logo svg{height:40px}
    .nav-cta{right:24px;padding:9px 18px;font-size:12px}
    .nav-center{display:none}
    .hero{height:80vh;min-height:520px}
    .hero-inner{padding:0 24px 64px}
    .hero-divider{width:36px;margin-bottom:24px}
    .hero-scroll{display:none}
    .container{padding:0 24px}
    .greeting,.company,.strength,.history,.location{padding:64px 0}
    .greeting-grid{grid-template-columns:1fr;gap:32px}
    .greeting-visual{aspect-ratio:4/3;max-width:480px;margin:0 auto}
    .company-row{grid-template-columns:1fr;gap:6px;padding:18px 0}
    .strength-grid{grid-template-columns:1fr;gap:16px}
    .strength-card{padding:36px 28px}
    .history-wrap::before{left:80px}
    .history-item{grid-template-columns:80px 24px 1fr}
    .history-year{font-size:18px}
    .location-grid{grid-template-columns:1fr;gap:24px}
    .location-info{padding:32px 24px}
  }

  /* 로고 색상 동적 (Hero 위 흰색 / 스크롤 시 검정) */
  .brand-logo svg .st0{fill:#ffffff;transition:fill 0.3s}
  .site-header.is-scrolled .brand-logo svg .st0{fill:#111111}
  /* 스크롤 시 메뉴 글자 검정 전환 */
  .site-header.is-scrolled .nav-center a{color:var(--text);transition:color 0.3s}
  .site-header.is-scrolled .nav-center a:hover{color:var(--accent)}
  .site-header.is-scrolled .nav-center a.is-current{color:var(--accent)}

  /* =============== 토스트 =============== */
  .db-toast{
    position:fixed;bottom:32px;left:50%;
    transform:translateX(-50%) translateY(20px);
    z-index:200;padding:14px 28px;
    background:#1a1a1a;color:#fff;
    font-size:14px;font-weight:500;border-radius:2px;
    box-shadow:0 8px 32px rgba(0,0,0,0.3);
    opacity:0;transition:all 0.3s;
    pointer-events:none;
  }
  .db-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

  /* =============== 공통 섹션 (about/technology 동일) =============== */
  main{padding-top:0}
  section{padding:96px 52px}
  .container{max-width:1280px;margin:0 auto}

  .eyebrow{
    font-family:var(--font-display);
    font-size:12px;font-weight:600;
    letter-spacing:0.2em;text-transform:uppercase;
    color:var(--accent);
    display:inline-flex;align-items:center;gap:10px;
    margin-bottom:20px;
  }
  .eyebrow::before{
    content:"";width:24px;height:1px;background:var(--accent);
  }
  .section-title{
    font-family:var(--font-body);
    font-size:clamp(28px,3vw,40px);
    font-weight:700;line-height:1.25;
    letter-spacing:-0.02em;
    color:var(--text);
    margin-bottom:18px;
  }
  .section-title em{
    font-style:normal;color:var(--accent);
  }
  .section-lead{
    font-size:17px;color:var(--text-mid);
    max-width:680px;line-height:1.7;
    margin-bottom:56px;
  }

  /* =============== HERO (다크 풀배경) =============== */
  .hero{
    position:relative;min-height:80vh;
    display:flex;align-items:center;
    overflow:hidden;padding:120px 52px 80px;
  }
  .hero-bg{
    position:absolute;inset:0;z-index:0;
    background:
      linear-gradient(90deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.65) 35%, rgba(10,10,10,0.2) 70%, rgba(10,10,10,0.4) 100%),
      url('../../../../uploads/2026/08/products_hero_bg.jpg');
    background-size:cover;background-position:65% center;
    filter:contrast(1.1) brightness(0.92) saturate(0.95);
  }
  .hero-inner{
    position:relative;z-index:1;
    width:100%;max-width:1280px;margin:0 auto;
  }
  .hero-title{
    font-family:var(--font-body);
    font-size:clamp(40px, 5.5vw, 72px);
    font-weight:800;
    letter-spacing:-0.03em;line-height:1.1;
    color:#fff;margin-bottom:28px;
    max-width:780px;
  }
  .hero-title em{
    font-style:normal;color:var(--accent);
  }
  .hero-sub{
    font-size:20px;color:rgba(255,255,255,0.78);
    line-height:1.65;max-width:520px;
  }

  /* =============== PRODUCT GRID =============== */
  .products{background:var(--bg)}
  .product-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .product-card{
    background:#fff;
    border:1px solid var(--border);
    border-radius:4px;
    overflow:hidden;
    display:flex;flex-direction:column;
    transition:all 0.3s;
    position:relative;
  }
  .product-card:hover{
    transform:translateY(-4px);
    box-shadow:0 24px 60px rgba(0,0,0,0.08);
    border-color:var(--accent);
  }
  .product-card::before{
    content:"";
    position:absolute;left:0;top:0;bottom:0;
    width:0;background:var(--accent);
    transition:width 0.3s;
  }
  .product-card:hover::before{width:4px}

  .product-img{
    width:100%;aspect-ratio:16/10;
    background:var(--bg-soft);
    overflow:hidden;position:relative;
  }
  .product-img img{
    width:100%;height:100%;
    object-fit:cover;
    filter:grayscale(15%);
    transition:transform 0.6s, filter 0.3s;
  }
  .product-card:hover .product-img img{
    transform:scale(1.04);
    filter:grayscale(0%);
  }
  .product-num{
    position:absolute;top:24px;left:24px;
    font-family:var(--font-data);
    font-size:14px;font-weight:700;
    color:#fff;
    letter-spacing:0.15em;
    background:rgba(230,57,70,0.92);
    padding:6px 12px;border-radius:2px;
    backdrop-filter:blur(4px);
  }

  .product-content{
    padding:32px 30px 36px;
    flex:1;
    display:flex;flex-direction:column;
  }
  .product-name{
    font-size:24px;font-weight:800;
    letter-spacing:-0.02em;
    color:var(--text);
    margin-bottom:6px;
    line-height:1.3;
  }
  .product-en{
    font-family:var(--font-display);
    font-size:11px;font-weight:600;
    letter-spacing:0.18em;text-transform:uppercase;
    color:var(--text-light);
    margin-bottom:20px;
  }
  .product-desc{
    font-size:14px;
    color:var(--text-mid);
    line-height:1.7;
    margin-bottom:24px;
    flex:1;
  }
  .product-meta{
    padding-top:24px;
    border-top:1px solid var(--border-light);
  }
  .product-meta-label{
    font-family:var(--font-display);
    font-size:10px;font-weight:700;
    letter-spacing:0.18em;text-transform:uppercase;
    color:var(--text-light);
    margin-bottom:10px;
  }
  .product-tags{
    display:flex;flex-wrap:wrap;gap:8px;
  }
  .product-tag{
    display:inline-block;
    padding:6px 14px;
    background:var(--bg-soft);
    border:1px solid var(--border);
    border-radius:100px;
    font-size:13px;font-weight:500;
    color:var(--text-mid);
    transition:all 0.2s;
  }
  .product-card:hover .product-tag{
    background:var(--accent-soft);
    border-color:var(--accent-soft);
    color:var(--accent-dark);
  }

  /* =============== APPLICATION (적용 공간) =============== */
  .applications{background:var(--bg-soft)}
  .app-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
  }
  .app-card{
    background:#fff;
    border:1px solid var(--border);
    border-radius:4px;
    padding:36px 28px;
    transition:all 0.3s;
    text-align:left;
    min-width:0;
  }
  .app-card:hover{
    border-color:var(--accent);
    background:var(--accent-soft);
  }
  .app-icon{
    width:44px;height:44px;
    margin-bottom:24px;
    color:var(--accent);
  }
  .app-icon svg{width:100%;height:100%}
  .app-name{
    font-size:18px;font-weight:800;
    color:var(--text);
    margin-bottom:8px;
    letter-spacing:-0.015em;
    word-break:keep-all;
  }
  .app-desc{
    font-size:13px;
    color:var(--text-mid);
    line-height:1.6;
    word-break:keep-all;
  }

  /* =============== CTA BRIDGE (다크) =============== */
  .cta-bridge{
    background:#0f0f10;
    color:#fff;
    padding:120px 52px;
    position:relative;overflow:hidden;
  }
  .cta-bridge::before{
    content:"";
    position:absolute;top:0;right:0;
    width:50%;height:100%;
    background:radial-gradient(ellipse at center right, rgba(230,57,70,0.15) 0%, transparent 65%);
    pointer-events:none;
  }
  .cta-bridge .container{
    position:relative;z-index:1;
    max-width:1080px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:48px;
    align-items:stretch;
  }
  .cta-card{
    padding:48px 44px;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:4px;
    display:flex;flex-direction:column;
    transition:all 0.3s;
  }
  .cta-card:hover{
    background:rgba(255,255,255,0.07);
    border-color:rgba(230,57,70,0.4);
    transform:translateY(-4px);
  }
  .cta-card-label{
    font-family:var(--font-display);
    font-size:11px;font-weight:700;
    letter-spacing:0.22em;text-transform:uppercase;
    color:var(--accent);
    margin-bottom:20px;
  }
  .cta-card-title{
    font-size:24px;font-weight:800;
    color:#fff;
    line-height:1.35;
    letter-spacing:-0.02em;
    margin-bottom:14px;
  }
  .cta-card-desc{
    font-size:14px;
    color:rgba(255,255,255,0.65);
    line-height:1.65;
    margin-bottom:32px;
    flex:1;
  }
  .cta-card-btn{
    display:inline-flex;align-items:center;gap:8px;
    align-self:flex-start;
    padding:14px 26px;
    font-size:14px;font-weight:600;
    border-radius:2px;
    transition:all 0.2s;
  }
  .cta-btn-primary{background:var(--accent);color:#fff}
  .cta-btn-primary:hover{background:var(--accent-dark);transform:translateX(4px)}
  .cta-btn-secondary{
    background:transparent;color:#fff;
    border:1px solid rgba(255,255,255,0.3);
  }
  .cta-btn-secondary:hover{
    border-color:#fff;background:rgba(255,255,255,0.05);
    transform:translateX(4px);
  }

  /* =============== 푸터 =============== */
  footer{
    background:#0a0a0a;color:#fff;
    padding:64px 52px 48px;
  }
  .footer-inner{
    max-width:1280px;margin:0 auto;
    display:flex;align-items:center;justify-content:center;
    flex-wrap:wrap;gap:24px;
    text-align:center;
  }
  .footer-brand{
    font-family:var(--font-display);
    font-size:18px;font-weight:700;
    letter-spacing:0.05em;
  }
  .footer-info{
    font-size:13px;color:rgba(255,255,255,0.5);
  }
  .footer-links{display:flex;gap:24px}
  .footer-links a{
    font-size:13px;color:rgba(255,255,255,0.6);
    transition:color 0.2s;
  }
  .footer-links a:hover{color:var(--accent)}

  /* =============== 반응형 =============== */
  @media (max-width:1100px){
    .product-grid{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:980px){
    section{padding:64px 28px}
    .hero{padding:120px 28px 80px;min-height:auto}
    .product-grid{grid-template-columns:1fr;gap:20px}
    .product-content{padding:28px 24px}
    .product-name{font-size:24px}
    .app-grid{grid-template-columns:repeat(2,1fr);gap:10px}
    .app-card{padding:22px 14px}
    .app-name{min-height:57.6px}
    .app-desc{min-height:83.2px}
    .cta-bridge .container{grid-template-columns:1fr;gap:20px}
    .cta-bridge{padding:80px 28px}
  }

  /* =============== 모바일(768px 이하) — 히어로 좌하단 정렬 / 헤더 통일 =============== */
  @media (max-width:768px){
    .hero{
      align-items:flex-end !important;
      padding:100px 24px calc(84px + 48px) !important;
    }
    .hero-bg::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, transparent 35%, rgba(10,10,10,0.85) 100%);
    }
    .hero-title{max-width:100%}

    /* 헤더 배경 통일 — 스크롤 여부와 무관하게 항상 어두운 배경 + 흰색 로고 */
    .site-header{
      background:rgba(10,10,10,.92) !important;
      backdrop-filter:blur(8px);
      -webkit-backdrop-filter:blur(8px);
      border-bottom-color:transparent !important;
    }
    .brand-logo svg .st0{fill:#ffffff !important}
    .db-nav-toggle span{background:#ffffff !important}
  }