/* ===========================================================
   ELKO CO., LTD. — 천연향료 B2B 사이트 공통 스타일
   색상 토큰만 바꾸면 브랜드 톤 전체가 바뀝니다.
   =========================================================== */
:root{
  --green-900:#14301F;
  --green-700:#1F4A31;
  --green-500:#3A7355;
  --green-100:#E3EDE5;
  --gold:#B08A4A;
  --cream:#FAF8F3;
  --paper:#FFFFFF;
  --ink:#1B1E1B;
  --ink-60:#5A615A;
  --ink-30:#9AA09A;
  --line:#E2DED4;
  --radius:10px;
  --shadow:0 1px 2px rgba(20,48,31,.06), 0 8px 24px rgba(20,48,31,.06);
  --maxw:1180px;
  --font-head:"Pretendard","Noto Serif KR",Georgia,"맑은 고딕",serif;
  --font-body:"Pretendard","맑은 고딕","Malgun Gothic",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--cream);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--green-700);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:20px}

/* ---------- 헤더 ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(250,248,243,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
/* 로고 락업 — 심볼(방울+잎) + 워드마크. 워드마크는 세리프로 고정 */
.logo{display:flex;align-items:center;gap:11px;font-family:Georgia,"Times New Roman","Noto Serif KR",serif;font-weight:700;font-size:21px;color:var(--green-900);text-decoration:none;letter-spacing:.09em}
.logo:hover{text-decoration:none}
.logo-mark{width:32px;height:32px;flex:0 0 32px}
.logo small{display:block;font-family:var(--font-body);font-size:10px;font-weight:600;color:var(--gold);letter-spacing:.22em;margin-top:2px}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:9px 14px;border-radius:99px;font-size:15px;font-weight:600;color:var(--ink-60)}
.nav a:hover{background:var(--green-100);color:var(--green-900);text-decoration:none}
.nav a.is-active{color:var(--green-900);background:var(--green-100)}
.nav .btn-quote{margin-left:8px;background:var(--green-700);color:#fff}
.nav .btn-quote:hover{background:var(--green-900);color:#fff}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:8px 11px;font-size:15px;cursor:pointer}

/* ---------- 공통 요소 ---------- */
.btn{display:inline-block;padding:12px 22px;border-radius:99px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--green-700);color:#fff}
.btn-primary:hover{background:var(--green-900);text-decoration:none;color:#fff}
.btn-ghost{background:transparent;color:var(--green-900);border-color:var(--green-500)}
.btn-ghost:hover{background:var(--green-100);text-decoration:none}
.section{padding-block:72px}
.section-alt{background:var(--paper);border-block:1px solid var(--line)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin:0 0 10px}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--green-900);letter-spacing:-.02em;line-height:1.3;margin:0 0 14px}
h1{font-size:clamp(30px,4.6vw,46px)}
h2{font-size:clamp(24px,3.2vw,34px)}
h3{font-size:19px}
.lead{font-size:17px;color:var(--ink-60);max-width:62ch;margin:0 0 26px}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:8px}
.card p{margin:0;color:var(--ink-60);font-size:15px}
.card-num{font-family:var(--font-head);font-size:13px;color:var(--gold);font-weight:700;letter-spacing:.1em}

/* ---------- 히어로 ---------- */
.hero{position:relative;background:linear-gradient(160deg,var(--green-900) 0%,var(--green-700) 55%,var(--green-500) 100%);color:#fff;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(1000px 420px at 82% 18%,rgba(176,138,74,.32),transparent 60%);pointer-events:none}
.hero-inner{position:relative;z-index:1;padding-block:96px;max-width:780px}
.hero h1{color:#fff}
.hero .lead{color:rgba(255,255,255,.86);font-size:18px}
.hero .eyebrow{color:rgba(255,255,255,.75)}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.2)}
.hero-stats b{display:block;font-family:var(--font-head);font-size:30px;color:#fff}
.hero-stats span{font-size:14px;color:rgba(255,255,255,.75)}

/* ---------- 카탈로그 ---------- */
.catalog-layout{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}
.filters{position:sticky;top:86px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.filters>summary{display:none}          /* 데스크톱에서는 항상 펼친 상태 */
.filters>summary::-webkit-details-marker{display:none}
.filter-group{margin-bottom:22px}
.filter-group:last-child{margin-bottom:0}
.filter-group h4{font-size:13px;letter-spacing:.1em;color:var(--ink-60);text-transform:uppercase;margin-bottom:10px;font-family:var(--font-body);font-weight:700}
.filter-group label{display:flex;align-items:center;gap:8px;font-size:14.5px;padding:4px 0;cursor:pointer;color:var(--ink)}
.filter-group label:hover{color:var(--green-700)}
.filter-group input[type=checkbox]{accent-color:var(--green-700);width:16px;height:16px}
.filter-count{margin-left:auto;font-size:12px;color:var(--ink-30)}
.search-bar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.search-bar input{flex:1;min-width:220px;padding:13px 16px;border:1px solid var(--line);border-radius:99px;font-size:15px;font-family:inherit;background:var(--paper)}
.search-bar input:focus{outline:2px solid var(--green-500);outline-offset:-1px}
.search-bar select{padding:13px 16px;border:1px solid var(--line);border-radius:99px;font-size:14px;background:var(--paper);font-family:inherit}
.result-meta{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:16px;font-size:14px;color:var(--ink-60)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--green-100);color:var(--green-900);border:none;border-radius:99px;padding:5px 12px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.chip:hover{background:var(--green-500);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.p-card{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:.15s;color:inherit}
.p-card:hover{text-decoration:none;border-color:var(--green-500);box-shadow:var(--shadow);transform:translateY(-2px)}
.p-card .p-cat{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--gold);text-transform:uppercase}
.p-card h3{font-size:17px;margin:6px 0 2px}
.p-card .p-en{font-size:13px;color:var(--ink-60);margin:0}
.p-card .p-bot{font-size:12.5px;color:var(--ink-30);font-style:italic;margin:2px 0 0}
.p-card .p-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:13px;padding-top:12px;border-top:1px solid var(--line)}
.tag{font-size:11.5px;background:var(--cream);border:1px solid var(--line);border-radius:5px;padding:3px 8px;color:var(--ink-60)}
.pager{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;margin-top:34px}
.pager button{min-width:38px;height:38px;border:1px solid var(--line);background:var(--paper);border-radius:8px;cursor:pointer;font-family:inherit;font-size:14px;color:var(--ink)}
.pager button:hover:not(:disabled){border-color:var(--green-500)}
.pager button.is-current{background:var(--green-700);color:#fff;border-color:var(--green-700)}
.pager button:disabled{opacity:.35;cursor:default}
.empty{text-align:center;padding:70px 20px;color:var(--ink-60);background:var(--paper);border:1px dashed var(--line);border-radius:var(--radius)}

/* ---------- 제품 상세 ---------- */
.breadcrumb{font-size:13.5px;color:var(--ink-60);padding-block:18px}
.detail-layout{display:grid;grid-template-columns:1fr 340px;gap:36px;align-items:start;padding-bottom:70px}
.spec-table{width:100%;border-collapse:collapse;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec-table th,.spec-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
.spec-table th{width:180px;background:var(--cream);font-weight:600;color:var(--ink-60);font-size:14px}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.side-cta{position:sticky;top:86px;background:var(--green-900);color:#fff;border-radius:var(--radius);padding:26px}
.side-cta h3{color:#fff;font-size:18px}
.side-cta p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0 0 18px}
.side-cta .btn{display:block;text-align:center;margin-bottom:9px}
.side-cta .btn-primary{background:var(--gold)}
.side-cta .btn-primary:hover{background:#c99b55}
.side-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.side-cta .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- 폼 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.field .req{color:#B3261E}
.field input,.field select,.field textarea{
  padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:15px;
  font-family:inherit;background:var(--paper);color:var(--ink);width:100%
}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--green-500);outline-offset:-1px}
.form-note{font-size:13.5px;color:var(--ink-60)}

/* ---------- 알림 배너 ---------- */
.notice{background:#FFF6E3;border:1px solid #E8D09B;color:#6B5218;border-radius:var(--radius);padding:14px 18px;font-size:14px;margin-bottom:24px}

/* ---------- 푸터 ---------- */
.footer{background:var(--green-900);color:rgba(255,255,255,.72);padding-block:52px 32px;font-size:14px}
.footer h4{color:#fff;font-size:15px;margin-bottom:12px;font-family:var(--font-body)}
.footer a{color:rgba(255,255,255,.72)}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:7px}
.footer-bottom{padding-top:20px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-motto{font-family:var(--font-head);color:var(--gold);font-size:14px;letter-spacing:.1em;margin:0 0 10px}

/* ---------- 반응형 ---------- */
@media (max-width:980px){
  .catalog-layout{grid-template-columns:1fr}
  .filters{position:static;padding:14px 18px}
  /* 모바일: 필터를 접어두고 필요할 때만 펼침 */
  .filters>summary{
    display:flex;justify-content:space-between;align-items:center;
    list-style:none;cursor:pointer;font-weight:700;font-size:15px;color:var(--green-900)
  }
  .filters>summary::after{content:"펼치기";font-size:13px;font-weight:600;color:var(--ink-60)}
  .filters[open]>summary::after{content:"접기"}
  .filters[open]>summary{margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
  .detail-layout{grid-template-columns:1fr}
  .side-cta{position:static}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 16px 16px;gap:2px}
  .nav.is-open{display:flex}
  .nav .btn-quote{margin:8px 0 0;text-align:center}
  .nav-toggle{display:block}
  .header{position:relative}
  .section{padding-block:52px}
  .hero-inner{padding-block:64px}
  .grid-3,.grid-2,.grid-4,.product-grid,.form-grid{grid-template-columns:1fr}
  .hero-stats{gap:26px}
  .footer-grid{grid-template-columns:1fr}
  .spec-table th{width:130px}
}