/* ============================================================
   대성화스너 — 제품 페이지 고유 스타일 (원본 전체)
   ============================================================ */


  :root {
    --bg: #FFFFFF; --bg-soft: #F6F9F7; --bg-tint: #ECF5EF;
    --bg-dark: #0B1410; --bg-darker: #060B08;
    --border: #E5E9E6; --border-hover: #CCD5CF;
    --green: #16A34A; --green-bright: #22C55E; --green-soft: #4ADE80;
    --green-tint: #DCFCE7; --green-bg: #F0FDF4; --green-dark: #0F7A37;
    --text-1: #0B1410; --text-2: #3F4A42; --text-3: #6B7A70; --text-4: #9AA69E;
    --shadow: 0 4px 16px rgba(11, 20, 16, 0.06);
    --shadow-lg: 0 12px 40px rgba(11, 20, 16, 0.08);
    --shadow-xl: 0 24px 80px rgba(11, 20, 16, 0.12);
    --font-sans: 'Pretendard Variable', 'Pretendard', -apple-system, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  em { font-style: normal; }
  body {
    background: var(--bg); color: var(--text-1);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    cursor: none;
    overflow-x: hidden;
    /* Korean typography — 자연스러운 줄바꿈 */
    word-break: keep-all;
    overflow-wrap: break-word;
  }
  @media (pointer: coarse) { body { cursor: default; } }
  ::selection { background: var(--green); color: #fff; }

  /* Headings & paragraphs — 균형잡힌 줄바꿈 (최신 브라우저) */
  h1, h2, h3, h4, h5, h6 { text-wrap: balance; }
  p, li, dd, blockquote { text-wrap: pretty; }
  .grain {
    position: fixed; inset: 0;
    pointer-events: none; z-index: 9998;
    opacity: 0.035; mix-blend-mode: multiply;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' seed='5'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  }
  .cursor-dot, .cursor-ring {
    position: fixed; top: 0; left: 0;
    pointer-events: none; z-index: 10000;
    border-radius: 50%; transform: translate(-50%, -50%);
    mix-blend-mode: difference;
  }
  .cursor-dot { width: 6px; height: 6px; background: #fff; transition: width 0.2s, height 0.2s, background 0.2s; }
  .cursor-ring {
    width: 32px; height: 32px;
    border: 1.2px solid rgba(255, 255, 255, 0.55);
    transition: width 0.3s var(--ease-expo), height 0.3s var(--ease-expo), border-color 0.3s, transform 0.12s linear;
  }
  .cursor-ring.hover { width: 56px; height: 56px; border-color: var(--green-soft); background: rgba(74, 222, 128, 0.06); }
  .cursor-dot.hover { width: 4px; height: 4px; background: var(--green-soft); }
  @media (pointer: coarse) { .cursor-dot, .cursor-ring { display: none; } }

  .scroll-progress { position: fixed; top: 0; left: 0; height: 2px; background: var(--green); z-index: 200; width: 0%; transition: width 0.1s linear; }

  /* NAV */
  .nav {
    position: fixed; top: 0; left: 0; right: 0;
    padding: 18px 48px; display: flex; justify-content: space-between; align-items: center;
    background: rgba(11, 20, 16, 0.65);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 100; transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav.scrolled { padding: 12px 48px; background: rgba(255, 255, 255, 0.92); border-bottom-color: var(--border); }
  .nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; color: #fff; letter-spacing: -0.01em; text-decoration: none; transition: color 0.35s; }
  .nav.scrolled .nav-logo { color: var(--text-1); }
  .nav-logo svg { width: 28px; height: 28px; }
  .nav-menu { display: flex; gap: 36px; list-style: none; }
  .nav-menu a { color: rgba(255, 255, 255, 0.75); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.25s; position: relative; }
  .nav.scrolled .nav-menu a { color: var(--text-2); }
  .nav-menu a.active { color: var(--green-soft); font-weight: 600; }
  .nav.scrolled .nav-menu a.active { color: var(--green); }
  .nav-menu a::after { content: ''; position: absolute; bottom: -6px; left: 0; width: 0; height: 1px; background: currentColor; transition: width 0.3s var(--ease-expo); }
  .nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
  .nav-menu a:hover { color: var(--green-soft); }
  .nav.scrolled .nav-menu a:hover { color: var(--green); }
  .nav-right { display: flex; align-items: center; gap: 20px; }
  .lang-toggle { font-family: var(--font-mono); font-size: 11px; color: rgba(255, 255, 255, 0.5); letter-spacing: 0.1em; cursor: none; }
  .nav.scrolled .lang-toggle { color: var(--text-3); }
  .btn-nav-cta { display: inline-flex; align-items: center; padding: 10px 20px; background: var(--green); color: #fff; font-size: 13px; font-weight: 600; border-radius: 8px; border: none; cursor: none; transition: all 0.3s var(--ease-expo); }
  .btn-nav-cta:hover { background: var(--green-bright); transform: translateY(-1px); }

  /* HERO */
  .hero {
    position: relative; min-height: 100vh;
    background: #050908;
    overflow: hidden; display: flex; align-items: center;
    padding: 120px 48px 80px;
  }
  /* 배경 사진 2장 크로스페이드 */
  .hero-bg {
    position: absolute; inset: 0;
    background-position: center;
    background-size: cover;
    will-change: opacity;
    opacity: 0;
    transition: opacity 2s ease-in-out;
  }
  .hero-bg.active { opacity: 1; }
  .hero-bg-1 {
    background-image: url("/assets/products_bg_1.jpg");
  }
  .hero-bg-2 {
    background-image: url("/assets/products_bg_2.jpg");
  }
  /* 어두운 오버레이로 글자 가독성 확보 */
  .hero-overlay {
    position: absolute; inset: 0;
    background:
      linear-gradient(90deg, rgba(5, 9, 8, 0.92) 0%, rgba(5, 9, 8, 0.78) 40%, rgba(5, 9, 8, 0.55) 100%),
      linear-gradient(180deg, rgba(5, 9, 8, 0.4) 0%, rgba(5, 9, 8, 0.7) 100%);
    pointer-events: none;
  }
  .hero-grid-lines {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(90deg, rgba(74, 222, 128, 0.04) 1px, transparent 1px),
      linear-gradient(180deg, rgba(74, 222, 128, 0.04) 1px, transparent 1px);
    background-size: 80px 80px; pointer-events: none;
  }
  @keyframes rotateSlow { from { transform: translateY(-50%) rotate(0deg); } to { transform: translateY(-50%) rotate(360deg); } }
  .hero-content { position: relative; max-width: 1280px; margin: 0 auto; width: 100%; z-index: 5; }
  .hero-text-wrap { max-width: 900px; }
  .breadcrumb-dark { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12px; color: rgba(255, 255, 255, 0.55); letter-spacing: 0.05em; margin-bottom: 32px; text-transform: uppercase; }
  .breadcrumb-dark a { color: rgba(255, 255, 255, 0.6); text-decoration: none; transition: color 0.2s; }
  .breadcrumb-dark a:hover { color: var(--green-soft); }
  .breadcrumb-dark .sep { color: rgba(255, 255, 255, 0.3); }
  .breadcrumb-dark .current { color: var(--green-soft); font-weight: 600; }
  .hero-eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border: 1px solid rgba(74, 222, 128, 0.35); background: rgba(74, 222, 128, 0.08); backdrop-filter: blur(8px); border-radius: 100px; font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.2em; color: var(--green-soft); text-transform: uppercase; margin-bottom: 32px; }
  .hero-eyebrow-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green-soft); box-shadow: 0 0 12px var(--green-soft); animation: pulse 2s infinite; }
  @keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }
  .hero-title { font-size: clamp(56px, 8vw, 140px); font-weight: 800; line-height: 0.98; letter-spacing: -0.04em; color: #fff; margin-bottom: 32px; text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5); }
  .hero-title em { background: linear-gradient(135deg, var(--green-soft) 0%, #A7F3D0 50%, var(--green-soft) 100%); background-size: 200% 200%; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -0.02em; animation: shimmer 6s ease-in-out infinite; }
  @keyframes shimmer { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
  .hero-sub { font-size: clamp(17px, 1.6vw, 21px); color: rgba(255, 255, 255, 0.85); line-height: 1.6; max-width: 680px; margin-bottom: 56px; text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4); }
  .hero-metrics { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255, 255, 255, 0.15); padding-top: 36px; max-width: 720px; }
  .hero-metric { padding-right: 28px; border-right: 1px solid rgba(255, 255, 255, 0.1); }
  .hero-metric:last-child { border-right: none; }
  .hero-metric-label { font-family: var(--font-mono); font-size: 10px; color: rgba(255, 255, 255, 0.55); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 12px; font-weight: 600; }
  .hero-metric-value { font-size: 36px; font-weight: 800; color: #fff; line-height: 1; letter-spacing: -0.02em; margin-bottom: 6px; display: flex; align-items: baseline; gap: 4px; }
  .hero-metric-value em { color: var(--green-soft); }
  .hero-metric-unit { font-size: 14px; color: rgba(255, 255, 255, 0.55); font-weight: 600; font-family: var(--font-mono); }
  .hero-metric-desc { font-size: 12px; color: rgba(255, 255, 255, 0.5); line-height: 1.4; }

  .scroll-indicator { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255, 255, 255, 0.4); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; z-index: 5; }
  .scroll-indicator-line { width: 1px; height: 40px; background: linear-gradient(180deg, transparent, rgba(74, 222, 128, 0.6), transparent); background-size: 100% 200%; animation: scrollDown 2s ease-in-out infinite; }
  @keyframes scrollDown { 0% { background-position: 0 -100%; } 100% { background-position: 0 200%; } }

  /* INDUSTRIES */
  .industries { padding: 140px 48px; background: var(--bg); }
  .industries-inner { max-width: 1280px; margin: 0 auto; }
  .section-header { margin-bottom: 80px; max-width: 900px; }
  .section-tag { display: inline-block; font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 16px; font-weight: 600; padding: 5px 12px; border: 1px solid var(--green-tint); background: var(--green-bg); border-radius: 100px; }
  .section-title { font-size: clamp(40px, 5vw, 64px); font-weight: 800; line-height: 1.05; letter-spacing: -0.035em; color: var(--text-1); margin-bottom: 24px; }
  .section-title em { color: var(--green); }
  .section-desc { font-size: 19px; color: var(--text-3); line-height: 1.6; max-width: 720px; }

  .industry-tabs { display: flex; gap: 8px; margin-bottom: 40px; padding-bottom: 24px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
  .industry-tab { display: inline-flex; align-items: center; gap: 10px; padding: 14px 24px; background: var(--bg); border: 1px solid var(--border); border-radius: 100px; font-size: 14px; font-weight: 600; color: var(--text-2); cursor: none; transition: all 0.3s var(--ease-expo); }
  .industry-tab:hover { border-color: var(--green); color: var(--green); }
  .industry-tab.active { background: var(--text-1); color: #fff; border-color: var(--text-1); }
  .industry-tab .num { font-family: var(--font-mono); font-size: 11px; opacity: 0.6; font-weight: 500; }

  .industry-panel { display: none; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
  .industry-panel.active { display: grid; animation: fadeIn 0.5s ease; }
  @keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

  .industry-visual { position: relative; aspect-ratio: 4/3; border-radius: 20px; overflow: hidden; background: var(--bg-soft); background-size: cover; background-position: center; }
  .industry-visual.car { background-image: url('/assets/product_images/hyundai_nexo.jpg'); }
  .industry-visual.electronics { background-image: url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80'); }
  .industry-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 20, 16, 0) 50%, rgba(11, 20, 16, 0.7) 100%); pointer-events: none; }

  .hotspot { position: absolute; z-index: 3; cursor: none; }
  .hotspot-pulse { width: 24px; height: 24px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.4), 0 0 20px rgba(74, 222, 128, 0.5); animation: hotspotPulse 2s infinite; position: relative; }
  .hotspot-pulse::before { content: ''; position: absolute; inset: -8px; border: 2px solid var(--green-soft); border-radius: 50%; animation: hotspotRing 2s infinite; }
  .hotspot-pulse::after { content: ''; position: absolute; inset: 6px; background: #fff; border-radius: 50%; }
  @keyframes hotspotPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }
  @keyframes hotspotRing { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }
  .hotspot-tooltip { position: absolute; top: 50%; left: calc(100% + 16px); transform: translateY(-50%); background: rgba(11, 20, 16, 0.95); backdrop-filter: blur(12px); border: 1px solid rgba(74, 222, 128, 0.3); border-radius: 10px; padding: 12px 16px; min-width: 180px; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s; z-index: 4; }
  .hotspot:hover .hotspot-tooltip { opacity: 1; visibility: visible; }
  .hotspot-tooltip-title { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; letter-spacing: -0.01em; }
  .hotspot-tooltip-desc { font-size: 11px; color: rgba(255, 255, 255, 0.7); line-height: 1.5; }
  .hotspot-tooltip::before { content: ''; position: absolute; left: -6px; top: 50%; transform: translateY(-50%); width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-right: 6px solid rgba(74, 222, 128, 0.3); }
  .hotspot-1 { top: 60%; left: 68%; }
  .hotspot-2 { top: 38%; left: 50%; }
  .hotspot-3 { top: 22%; left: 35%; }

  .industry-name-en { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.25em; text-transform: uppercase; margin-bottom: 14px; font-weight: 600; }
  .industry-name { font-size: clamp(32px, 3.5vw, 44px); font-weight: 800; color: var(--text-1); line-height: 1.1; letter-spacing: -0.025em; margin-bottom: 20px; }
  .industry-name em { color: var(--green); }
  .industry-desc { font-size: 15px; color: var(--text-2); line-height: 1.7; margin-bottom: 28px; }
  .industry-products { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
  .industry-product-chip { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 100px; font-size: 12px; font-weight: 600; color: var(--text-2); transition: all 0.25s ease; }
  .industry-product-chip:hover { border-color: var(--green); color: var(--green); background: var(--green-bg); }
  .industry-clients { padding-top: 28px; border-top: 1px solid var(--border); }
  .industry-clients-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; margin-bottom: 12px; }
  .industry-client-list { display: flex; flex-wrap: wrap; gap: 10px 16px; font-size: 13px; color: var(--text-2); font-weight: 500; }
  .industry-client-list span::after { content: '·'; margin-left: 16px; color: var(--text-4); }
  .industry-client-list span:last-child::after { display: none; }

  /* CATALOG */
  .catalog { padding: 140px 48px; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
  .catalog-inner { max-width: 1280px; margin: 0 auto; }
  .catalog-filter { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
  .filter-chip { padding: 10px 18px; background: var(--bg); border: 1px solid var(--border); border-radius: 100px; font-size: 13px; font-weight: 600; color: var(--text-2); cursor: none; transition: all 0.3s var(--ease-expo); font-family: var(--font-mono); letter-spacing: 0.05em; }
  .filter-chip:hover { border-color: var(--green); color: var(--green); }
  .filter-chip.active { background: var(--text-1); color: #fff; border-color: var(--text-1); }
  .filter-chip .count { color: var(--text-4); font-weight: 500; margin-left: 4px; }
  .filter-chip.active .count { color: rgba(255, 255, 255, 0.5); }

  .catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .product-card { position: relative; background: var(--bg); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; cursor: none; transition: all 0.5s var(--ease-expo); display: flex; flex-direction: column; }
  .product-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--green-bright), var(--green-soft)); transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease-expo); z-index: 3; }
  .product-card:hover { border-color: var(--green-tint); box-shadow: var(--shadow-xl); transform: translateY(-6px); }
  .product-card:hover::before { transform: scaleX(1); }
  .product-img { position: relative; aspect-ratio: 5/3; background: #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; border-bottom: 1px solid var(--border); }
  .product-img::after { content: ''; position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(22, 163, 74, 0.04) 1px, transparent 1px), linear-gradient(180deg, rgba(22, 163, 74, 0.04) 1px, transparent 1px); background-size: 16px 16px; pointer-events: none; }
  .product-img svg { width: 75%; height: 75%; position: relative; z-index: 2; transition: transform 0.5s var(--ease-expo); }
  .product-img img { width: 92%; height: auto; max-height: 88%; object-fit: contain; position: relative; z-index: 2; transition: transform 0.5s var(--ease-expo); }
  .product-card:hover .product-img svg { transform: scale(1.08); }
  .product-card:hover .product-img img { transform: scale(1.05); }
  .product-num { position: absolute; top: 14px; left: 16px; font-family: var(--font-mono); font-size: 10px; font-weight: 700; color: var(--text-4); letter-spacing: 0.15em; z-index: 2; }
  .product-cat { position: absolute; top: 14px; right: 16px; font-family: var(--font-mono); font-size: 9px; font-weight: 600; padding: 3px 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; color: var(--text-3); letter-spacing: 0.1em; text-transform: uppercase; z-index: 2; }
  .product-cat.cat-auto { color: #1E40AF; border-color: #DBEAFE; background: #EFF6FF; }
  .product-cat.cat-elec { color: #5B21B6; border-color: #EDE9FE; background: #F5F3FF; }
  .product-cat.cat-const { color: #92400E; border-color: #FEF3C7; background: #FFFBEB; }
  .product-body { padding: 24px 26px; flex: 1; display: flex; flex-direction: column; }
  .product-name-en { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 6px; font-weight: 600; }
  .product-name { font-size: 20px; font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 12px; }
  .product-desc { font-size: 13px; color: var(--text-3); line-height: 1.55; margin-bottom: 18px; flex: 1; }
  .product-specs { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding-top: 16px; border-top: 1px solid var(--border); }
  .product-spec-label { font-family: var(--font-mono); font-size: 9px; color: var(--text-4); letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 3px; font-weight: 600; }
  .product-spec-value { font-size: 12px; color: var(--text-1); font-weight: 600; letter-spacing: -0.01em; }
  .product-cta { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); font-family: var(--font-mono); font-size: 11px; color: var(--green); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; transition: gap 0.3s ease; }
  .product-card:hover .product-cta { gap: 12px; }
  .product-cta svg { width: 12px; height: 12px; }

  /* PRODUCT DETAIL MODAL */
  .product-modal { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 40px 20px; }
  .product-modal.open { display: flex; animation: modalFadeIn 0.3s ease; }
  @keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }
  .product-modal-overlay { position: absolute; inset: 0; background: rgba(11, 20, 16, 0.7); backdrop-filter: blur(8px); cursor: none; }
  .product-modal-panel { position: relative; background: #fff; border-radius: 24px; max-width: 1100px; width: 100%; max-height: 90vh; display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4); animation: modalSlideUp 0.4s var(--ease-expo); }
  @keyframes modalSlideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
  .product-modal-header { display: flex; align-items: center; gap: 16px; padding: 24px 32px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
  .product-modal-back { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 100px; font-size: 13px; font-weight: 600; color: var(--text-2); cursor: none; transition: all 0.25s ease; font-family: inherit; }
  .product-modal-back:hover { background: var(--text-1); color: #fff; border-color: var(--text-1); }
  .product-modal-back svg { width: 14px; height: 14px; }
  .product-modal-title-block { flex: 1; }
  .product-modal-title-en { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.2em; text-transform: uppercase; font-weight: 600; margin-bottom: 4px; }
  .product-modal-title { font-size: 24px; font-weight: 800; color: var(--text-1); letter-spacing: -0.02em; }
  .product-modal-close { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; cursor: none; transition: all 0.25s ease; }
  .product-modal-close:hover { background: var(--text-1); color: #fff; border-color: var(--text-1); }
  .product-modal-close svg { width: 16px; height: 16px; }
  .product-modal-body { overflow-y: auto; padding: 32px; flex: 1; }
  .product-modal-drawing { background: linear-gradient(180deg, #FAFBFA 0%, #F0F4F1 100%); border-radius: 16px; padding: 32px; margin-bottom: 24px; text-align: center; border: 1px solid var(--border); }
  .product-modal-drawing img { max-width: 100%; max-height: 320px; display: inline-block; }
  .product-modal-specs-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 28px; }
  .product-modal-spec { padding: 16px 18px; background: var(--bg-soft); border-radius: 10px; border: 1px solid var(--border); }
  .product-modal-spec-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-4); letter-spacing: 0.15em; text-transform: uppercase; font-weight: 700; margin-bottom: 6px; }
  .product-modal-spec-value { font-size: 14px; color: var(--text-1); font-weight: 700; letter-spacing: -0.015em; }
  .product-modal-dim-title { font-family: var(--font-mono); font-size: 11px; color: var(--green); letter-spacing: 0.2em; text-transform: uppercase; font-weight: 700; margin-bottom: 14px; padding: 6px 12px; background: var(--green-bg); border-radius: 6px; display: inline-block; }
  .product-modal-dim-table { width: 100%; border-collapse: collapse; font-size: 12px; }
  .product-modal-dim-table th, .product-modal-dim-table td { padding: 9px 8px; text-align: center; border-bottom: 1px solid var(--border); }
  .product-modal-dim-table thead { background: var(--green-bg); }
  .product-modal-dim-table th { font-weight: 700; color: var(--green-dark); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; }
  .product-modal-dim-table td { color: var(--text-2); }
  .product-modal-dim-table tbody tr:hover { background: var(--bg-soft); }
  .product-modal-dim-table .thread-col { font-weight: 700; color: var(--text-1); font-family: var(--font-mono); background: rgba(220, 252, 231, 0.3); }
  .product-modal-dim-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }

  @media (max-width: 768px) {
    .product-modal-panel { max-height: 95vh; }
    .product-modal-header { padding: 18px 20px; }
    .product-modal-title { font-size: 18px; }
    .product-modal-body { padding: 20px; }
    .product-modal-drawing { padding: 20px; }
    .product-modal-specs-band { grid-template-columns: repeat(2, 1fr); }
  }

  /* CAPACITY */
  .capacity { padding: 120px 48px; background: var(--bg-dark); color: #fff; position: relative; overflow: hidden; }
  .capacity::before { content: ''; position: absolute; top: -20%; right: -10%; width: 60%; height: 140%; background: radial-gradient(ellipse at center, rgba(22, 163, 74, 0.15) 0%, transparent 60%); pointer-events: none; }
  .capacity::after { content: ''; position: absolute; inset: 0; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='80' height='70' viewBox='0 0 80 70'><path d='M40 0L80 23V46L40 70L0 46V23L40 0Z' fill='none' stroke='%234ADE80' stroke-width='0.5'/></svg>"); background-size: 80px 70px; opacity: 0.04; pointer-events: none; }
  .capacity-inner { max-width: 1280px; margin: 0 auto; position: relative; z-index: 2; }
  .capacity .section-tag { background: rgba(74, 222, 128, 0.1); border-color: rgba(74, 222, 128, 0.3); color: var(--green-soft); }
  .capacity .section-title { color: #fff; }
  .capacity .section-title em { background: linear-gradient(135deg, var(--green-soft) 0%, #A7F3D0 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
  .capacity .section-desc { color: rgba(255, 255, 255, 0.65); }
  .capacity-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 64px; }
  .capacity-card { padding: 36px 40px; background: rgba(255, 255, 255, 0.03); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 16px; transition: all 0.4s var(--ease-expo); }
  .capacity-card:hover { background: rgba(74, 222, 128, 0.05); border-color: rgba(74, 222, 128, 0.3); transform: translateY(-3px); }
  .capacity-card-label { font-family: var(--font-mono); font-size: 11px; color: var(--green-soft); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 14px; font-weight: 600; }
  .capacity-card-val { font-size: clamp(40px, 4vw, 56px); font-weight: 800; color: #fff; line-height: 1; letter-spacing: -0.02em; margin-bottom: 10px; display: flex; align-items: baseline; gap: 6px; }
  .capacity-card-val em { color: var(--green-soft); }
  .capacity-card-unit { font-size: 18px; color: rgba(255, 255, 255, 0.55); font-weight: 600; font-family: var(--font-mono); }
  .capacity-card-desc { font-size: 14px; color: rgba(255, 255, 255, 0.65); line-height: 1.55; margin-bottom: 20px; }
  .capacity-bar { height: 4px; background: rgba(255, 255, 255, 0.08); border-radius: 4px; overflow: hidden; position: relative; }
  .capacity-bar-fill { height: 100%; background: linear-gradient(90deg, var(--green-bright), var(--green-soft)); border-radius: 4px; transition: width 1.5s ease; }
  .capacity-bar-info { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 10px; color: rgba(255, 255, 255, 0.5); margin-top: 8px; letter-spacing: 0.1em; }
  .capacity-bar-info em { color: var(--green-soft); font-weight: 700; font-style: normal; }

  /* SPEC TABLE */
  .specs-section { padding: 140px 48px; background: var(--bg); }
  .specs-section-inner { max-width: 1280px; margin: 0 auto; }
  .specs-table-wrap { margin-top: 48px; background: var(--bg); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
  .specs-table-head { padding: 20px 28px; background: var(--bg-soft); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
  .specs-table-head h3 { font-size: 18px; font-weight: 800; color: var(--text-1); letter-spacing: -0.015em; }
  .specs-download { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; background: var(--text-1); color: #fff; border-radius: 8px; font-size: 12px; font-weight: 700; text-decoration: none; transition: all 0.3s ease; letter-spacing: 0.02em; }
  .specs-download:hover { background: var(--green); transform: translateY(-1px); }
  .specs-download svg { width: 14px; height: 14px; }
  .specs-table-scroll { overflow-x: auto; }
  .specs-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 12px; min-width: 700px; }
  .specs-table th { padding: 14px 20px; background: var(--bg-tint); color: var(--text-2); font-weight: 700; text-align: left; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); font-size: 11px; text-transform: uppercase; white-space: nowrap; }
  .specs-table td { padding: 14px 20px; border-bottom: 1px solid var(--border); color: var(--text-2); white-space: nowrap; }
  .specs-table tr:last-child td { border-bottom: none; }
  .specs-table tr:hover td { background: var(--bg-soft); }
  .specs-table .product-col { font-family: var(--font-sans); font-weight: 700; color: var(--text-1); font-size: 13px; }
  .specs-table .grade-tag { display: inline-block; padding: 2px 8px; background: var(--green-bg); color: var(--green-dark); border: 1px solid var(--green-tint); border-radius: 6px; font-size: 10px; font-weight: 700; letter-spacing: 0.05em; }

  /* FINAL CTA */
  .final-cta { padding: 140px 48px; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
  .final-cta-inner { max-width: 1280px; margin: 0 auto; }
  .final-cta-card { padding: 80px; background: linear-gradient(135deg, var(--bg-dark) 0%, #102820 100%); border-radius: 32px; color: #fff; display: grid; grid-template-columns: 1fr auto; gap: 48px; align-items: center; position: relative; overflow: hidden; }
  .final-cta-card::before { content: ''; position: absolute; top: -50%; right: -20%; width: 70%; height: 200%; background: radial-gradient(ellipse at center, rgba(22, 163, 74, 0.18) 0%, transparent 60%); pointer-events: none; }
  .final-cta-content { position: relative; z-index: 2; }
  .final-cta-tag { display: inline-block; font-family: var(--font-mono); font-size: 11px; color: var(--green-soft); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 20px; font-weight: 600; }
  .final-cta h3 { font-size: clamp(32px, 4vw, 52px); font-weight: 800; line-height: 1.1; letter-spacing: -0.025em; color: #fff; margin-bottom: 20px; }
  .final-cta h3 em { color: var(--green-soft); }
  .final-cta p { font-size: 17px; color: rgba(255, 255, 255, 0.7); line-height: 1.65; max-width: 580px; margin-bottom: 32px; }
  .final-cta-buttons { display: flex; gap: 12px; flex-wrap: wrap; }
  .cta-btn { display: inline-flex; align-items: center; gap: 8px; padding: 16px 28px; border-radius: 10px; font-size: 14px; font-weight: 700; text-decoration: none; transition: all 0.3s var(--ease-expo); cursor: none; }
  .cta-btn-primary { background: var(--green); color: #fff; }
  .cta-btn-primary:hover { background: var(--green-bright); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(22, 163, 74, 0.4); gap: 12px; }
  .cta-btn-ghost { background: rgba(255, 255, 255, 0.08); color: #fff; border: 1px solid rgba(255, 255, 255, 0.18); }
  .cta-btn-ghost:hover { background: rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.3); }
  .cta-btn svg { width: 14px; height: 14px; }

  footer { padding: 48px; background: #060B08; border-top: 1px solid rgba(255, 255, 255, 0.06); }
  .footer-inner { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; color: rgba(255, 255, 255, 0.4); font-size: 13px; flex-wrap: wrap; gap: 24px; }

  @media (max-width: 1024px) {
    .nav-menu { display: none; }
    .hero { padding: 100px 28px 60px; min-height: auto; }
    .hero-content { grid-template-columns: 1fr; gap: 48px; }
    .hero-orb { width: 700px; height: 700px; left: -400px; }
    .hero-visual { max-width: 360px; margin: 0 auto; }
    .industries, .catalog, .capacity, .specs-section, .final-cta { padding: 80px 28px; }
    .industry-panel.active { grid-template-columns: 1fr; gap: 32px; }
    .catalog-grid { grid-template-columns: repeat(2, 1fr); }
    .capacity-grid { grid-template-columns: 1fr; }
    .final-cta-card { grid-template-columns: 1fr; padding: 48px; }
  }
  @media (max-width: 640px) {
    .nav { padding: 16px 20px; }
    .hero { padding: 100px 20px 60px; }
    .hero-title { font-size: 44px; }
    .hero-metrics { grid-template-columns: 1fr; gap: 16px; }
    .hero-metric { padding-right: 0; padding-bottom: 16px; border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
    .hero-metric:last-child { border-bottom: none; }
    .industries, .catalog, .capacity, .specs-section, .final-cta { padding: 60px 20px; }
    .catalog-grid { grid-template-columns: 1fr; }
    .industry-tabs { gap: 6px; }
    .industry-tab { padding: 10px 16px; font-size: 12px; }
    .final-cta-card { padding: 32px 24px; }
    .footer-inner { flex-direction: column; text-align: center; }
  }
  @media (prefers-reduced-motion: reduce) { * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

  /* ============================================== */
  /* 📌 공통 네비게이션 드롭다운                       */
  /* ============================================== */
  .nav-menu li { position: relative; }
  .nav-menu li > a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
  }
  .nav-dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 180px;
    background: #FFFFFF;
    border: 1px solid var(--border, #E5E9E6);
    border-radius: 12px;
    padding: 8px;
    box-shadow: 0 14px 40px -8px rgba(11, 20, 16, 0.18), 0 4px 12px -2px rgba(11, 20, 16, 0.08);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.22s var(--ease-expo, cubic-bezier(0.22, 1, 0.36, 1)), transform 0.22s var(--ease-expo, cubic-bezier(0.22, 1, 0.36, 1)), visibility 0.22s;
    list-style: none;
    z-index: 1000;
    margin: 0;
  }
  .nav-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 0;
    right: 0;
    height: 8px;
  }
  .nav-menu li.has-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .nav-dropdown li { width: 100%; }
  .nav-dropdown a {
    display: block;
    padding: 10px 14px;
    color: var(--text-1, #0B1410) !important;
    font-size: 13.5px;
    font-weight: 500;
    border-radius: 8px;
    white-space: nowrap;
    transition: background 0.18s, color 0.18s;
  }
  .nav-dropdown a::after { display: none !important; }
  .nav-dropdown a:hover {
    background: var(--green-bg, #F0FDF4);
    color: var(--green-dark, #0F7A37) !important;
  }
  @media (max-width: 768px) {
    .nav-dropdown { display: none; }
  }
