/*
Theme Name: ENERGYNEW
Theme URI: https://energynew.aijjun.com
Author: ENERGYNEW
Description: (주)뉴에너지 이온히팅 보일러 제조·설치 전문기업 — 에코 그린 테크 스타일
Version: 1.0
Text Domain: energynew
*/

:root{
  --green:#16a34a;
  --green-dark:#0f7a37;
  --green-light:#e7f7ec;
  --lime:#a3e635;
  --ink:#16231c;
  --ink-soft:#5c6f63;
  --bg:#f4faf6;
  --card:#ffffff;
  --line:#dbeee1;
  --radius:22px;
  --shadow:0 10px 30px rgba(22,101,52,.08);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.68;
  word-break:keep-all;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{padding-left:1.2em}

.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line)}
.site-header .top-bar{display:flex;justify-content:space-between;align-items:center;padding:16px 0;flex-wrap:wrap;gap:10px}
.site-branding{display:flex;align-items:center;gap:10px}
.site-branding .logo-img{height:36px;width:auto}
.site-branding-text{display:flex;flex-direction:column}
.site-title{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-0.02em;display:flex;align-items:center;gap:6px}
.site-title::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--green);display:inline-block}
.site-title span{color:var(--green)}
.site-tagline{font-size:12px;color:var(--ink-soft);margin-top:2px}
.header-contact{font-size:13.5px;color:var(--ink-soft);display:flex;gap:16px;flex-wrap:wrap}
.header-contact a{color:var(--green-dark);font-weight:700}
.main-nav{border-top:1px solid var(--line);background:var(--green-light)}
.main-nav ul{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:8px 0}
.main-nav li{position:relative}
.main-nav a{display:block;padding:9px 16px;font-size:14.5px;font-weight:700;color:var(--ink);border-radius:999px}
.main-nav a:hover,.main-nav .current-menu-item>a{background:var(--green);color:#fff}
.main-nav .sub-menu{display:none;position:absolute;top:100%;left:0;min-width:190px;background:#fff;list-style:none;margin:4px 0 0;padding:8px;box-shadow:var(--shadow);border-radius:16px;z-index:60;border:1px solid var(--line)}
.main-nav li:hover>.sub-menu,.main-nav li:focus-within>.sub-menu{display:block}
.main-nav .sub-menu li{width:100%}
.main-nav .sub-menu a{padding:9px 14px;font-size:13.5px;font-weight:600;white-space:nowrap;border-radius:10px}
.main-nav .sub-menu a:hover{background:var(--green-light);color:var(--green-dark)}
.breadcrumb{font-size:13px;color:var(--ink-soft);padding:16px 0 4px}
.breadcrumb a{color:var(--green-dark);font-weight:600}

/* Section tabs — pill segmented control */
.section-tabs{background:transparent;padding:18px 0 0}
.section-tabs ul{display:inline-flex;list-style:none;margin:0;padding:5px;gap:4px;flex-wrap:wrap;background:var(--green-light);border-radius:999px}
.section-tabs li{margin:0}
.section-tabs a{display:block;padding:10px 20px;font-size:14.5px;font-weight:700;color:var(--ink-soft);border-radius:999px}
.section-tabs a:hover{color:var(--green-dark)}
.section-tabs li.active a{color:#fff;background:var(--green)}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#eefaf1 0%,var(--bg) 100%);
  padding:60px 0 76px;
}
.hero .blob{position:absolute;border-radius:50%;filter:blur(6px);opacity:.55;z-index:0}
.hero .blob-1{width:420px;height:420px;background:radial-gradient(circle,#bdf0cf 0%,transparent 70%);top:-140px;right:-100px}
.hero .blob-2{width:320px;height:320px;background:radial-gradient(circle,#d9f99d 0%,transparent 70%);bottom:-120px;left:-80px}
.hero h1{font-size:35px;line-height:1.4;margin:0 0 18px;font-weight:800;color:var(--ink)}
.hero h1 .accent{background:linear-gradient(180deg,transparent 58%,var(--lime) 58%);padding:0 2px}
.hero .lead{font-size:16.5px;background:var(--card);border-left:5px solid var(--green);padding:18px 22px;border-radius:16px;box-shadow:var(--shadow);color:var(--ink);max-width:760px;margin:0 0 24px}
.hero .stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero .stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px 20px;box-shadow:var(--shadow);min-width:130px}
.hero .stat b{display:block;font-size:26px;color:var(--green-dark)}
.hero .stat span{font-size:12.5px;color:var(--ink-soft)}
.btn{display:inline-block;background:var(--green);color:#fff;padding:13px 28px;border-radius:999px;font-weight:800;font-size:15px;box-shadow:0 8px 20px rgba(22,163,74,.28)}
.btn:hover{background:var(--green-dark)}
.btn-outline{display:inline-block;border:2px solid var(--green);color:var(--green-dark);padding:11px 26px;border-radius:999px;font-weight:800;font-size:15px;margin-left:10px;background:#fff}

/* Page content */
main{padding:52px 0 76px}
article h1{font-size:28px;font-weight:800;margin:0 0 16px;color:var(--ink)}
.lead-answer{font-size:16.5px;background:var(--green-light);border-left:5px solid var(--green);padding:18px 22px;border-radius:16px;margin:0 0 34px;color:var(--ink)}
section{margin-bottom:46px}
section h2{font-size:21px;font-weight:800;color:var(--ink);margin:0 0 18px;display:flex;align-items:center;gap:10px}
section h2::before{content:"";width:9px;height:24px;border-radius:6px;background:linear-gradient(180deg,var(--green),var(--lime));display:inline-block}
section h3{font-size:16.5px;font-weight:700;margin:22px 0 8px;color:var(--green-dark)}

.table-wrap{overflow-x:auto;border-radius:18px;box-shadow:var(--shadow);background:#fff}
table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:14.5px;background:#fff;border-radius:18px;overflow:hidden}
table caption{caption-side:top;text-align:left;font-weight:700;margin-bottom:8px;color:var(--ink);padding:14px 16px 0}
th,td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:center}
thead th{background:var(--green);color:#fff;font-weight:700;border-bottom:none}
tbody tr:nth-child(even){background:var(--green-light)}
tbody tr:last-child td{border-bottom:none}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card img{border-radius:12px;margin-bottom:12px}
.card h3{margin-top:0}

/* 사진 카드 그리드 */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:20px 0 28px}
.photo-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease}
.photo-card:hover{transform:translateY(-4px)}
.photo-card img{width:100%;height:170px;object-fit:cover;margin:0}
.photo-card figcaption{padding:14px 16px;font-size:14px;font-weight:700;color:var(--ink);line-height:1.4}

.icon-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin:16px 0 28px}
.icon-card{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.icon-card img{width:42px;height:42px;border-radius:50%;margin:0;flex:none}
.icon-card span{font-size:14.5px;font-weight:700;color:var(--ink)}

.hero-media{display:flex;align-items:center;gap:40px;flex-wrap:wrap;position:relative;z-index:1}
.hero-media .hero-text{flex:1;min-width:280px}
.hero-media .hero-img{max-width:340px;flex:none;margin:0 auto}
.hero-media .hero-img img{border-radius:26px;box-shadow:0 20px 40px rgba(22,101,52,.18);border:6px solid #fff}

/* FAQ accordion (native <details>) */
.faq-item{border:1px solid var(--line);border-radius:16px;margin-bottom:12px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 20px;font-size:15.5px;font-weight:700;color:var(--ink);display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--green);font-weight:800;flex:none}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{border-bottom:1px solid var(--line)}
.faq-item p{margin:0;color:var(--ink-soft);padding:14px 20px 18px}

.timeline{list-style:none;padding:0;margin:0}
.timeline li{position:relative;padding:4px 0 20px 26px;border-left:3px solid var(--green-light)}
.timeline li::before{content:"";position:absolute;left:-8px;top:6px;width:13px;height:13px;border-radius:50%;background:var(--green);border:3px solid #fff;box-shadow:0 0 0 2px var(--green)}
.timeline .year{display:inline-block;font-weight:800;color:#fff;background:var(--green);font-size:14px;padding:3px 12px;border-radius:999px;margin-bottom:6px}

.news-list{list-style:none;padding:0;margin:0}
.news-list li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 20px;margin-bottom:10px;box-shadow:var(--shadow);transition:transform .15s ease}
.news-list li:hover{transform:translateX(4px)}
.news-list time{font-size:13px;color:var(--ink-soft);display:block;margin-bottom:4px}
.news-list a{font-weight:700;font-size:15.5px;color:var(--ink)}
.news-list a:hover{color:var(--green-dark)}

.updated-note{font-size:13px;color:var(--ink-soft);margin-top:40px;border-top:1px dashed var(--line);padding-top:12px}

/* Footer */
.site-footer{background:#0f2a1a;color:#c8dccd;padding:44px 0 24px;font-size:14px;border-radius:32px 32px 0 0;margin-top:20px}
.site-footer .foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.site-footer strong{color:#fff}
.site-footer .nap{line-height:1.9}
.site-footer .nap a{color:var(--lime)}
.site-footer .foot-nav a{color:#c8dccd}
.site-footer .foot-nav a:hover{color:var(--lime)}
.site-footer .copyright{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:#89a493}

@media (max-width:760px){
  .hero h1{font-size:26px}
  .site-header .top-bar{flex-direction:column;align-items:flex-start}
  .site-footer .foot-grid{flex-direction:column}
  .site-footer{border-radius:24px 24px 0 0}
}