/*
Theme Name: Gongjo HVAC
Theme URI: https://systemduct.bosungworld.com
Author: (주)보성에이치테크
Description: 공조시스템 전문 시공 사이트 테마
Version: 1.0
Text Domain: gongjo
*/

:root{
  --font: "Inter", "Pretendard", sans-serif;
  --deep: #2A1F14;
  --accent: #C49A32;
  --accent-soft: #F4EBD4;
  --btn-text: #1A1A1A;
  --ink: #000000;
  --desc: #4B5563;
  --bar-chrome: #E6E8EB;
  --line: #E5E5E5;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body,h1,h2,h3,h4,h5,h6,p,a,li,button,input{
  font-family:var(--font);
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{margin:0;}
p{margin:0;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.btn{
  font-family:var(--font);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:14px 28px;
  border-radius:4px;
  border:1px solid var(--accent);
  cursor:pointer;
  font-size:15px;
  white-space:nowrap;
  transition:background .2s,color .2s,box-shadow .2s;
}
.btn-primary{background:var(--accent);color:var(--btn-text);border-color:var(--accent);}
.btn-primary:hover{box-shadow:0 6px 18px rgba(196,154,50,.35);}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.8);}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-outline-ink{background:transparent;color:var(--ink);border:1px solid var(--ink);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,padding .3s ease;
}
.site-header.is-scrolled{
  background:var(--bar-chrome);
  box-shadow:0 1px 16px rgba(0,0,0,.06);
  border-bottom:1px solid var(--line);
  padding:12px 0;
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;}
.site-logo{font-size:20px;font-weight:700;letter-spacing:-.02em;color:#fff;transition:color .3s ease;}
.site-header.is-scrolled .site-logo{color:var(--ink);}
.site-nav{display:flex;align-items:center;gap:34px;}
.site-nav a{font-size:15px;font-weight:700;color:#fff;transition:color .3s ease;}
.site-header.is-scrolled .site-nav a{color:var(--ink);}
.site-nav .btn{padding:10px 22px;font-size:14px;}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:background .3s ease;}
.site-header.is-scrolled .nav-toggle span{background:var(--ink);}

@media(max-width:860px){
  .site-nav{position:fixed;top:0;right:0;height:100vh;width:78vw;max-width:320px;background:#fff;flex-direction:column;justify-content:center;align-items:flex-start;padding:40px;gap:26px;transform:translateX(100%);transition:transform .3s ease;box-shadow:-10px 0 30px rgba(0,0,0,.12);}
  .site-nav.is-open{transform:translateX(0);}
  .site-nav a{color:var(--ink) !important;}
  .nav-toggle{display:block;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:92vh;display:flex;align-items:flex-end;
  background-size:cover;background-position:center;
  color:#fff;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,14,8,.55) 0%,rgba(20,14,8,.25) 40%,rgba(20,14,8,.75) 100%);}
.hero-inner{position:relative;z-index:2;padding:0 0 90px;width:100%;}
.hero-inner .wrap{display:flex;flex-direction:column;gap:22px;}
.hero-eyebrow{font-family:var(--font);font-size:13px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent-soft);}
.hero h1{font-size:clamp(42px,7vw,84px);font-weight:700;letter-spacing:-.02em;line-height:1.05;}
.hero p{font-size:clamp(16px,2vw,19px);color:#f1ede4;max-width:640px;font-weight:400;}
.hero-cta{display:flex;gap:14px;margin-top:8px;flex-wrap:wrap;}

/* ---------- section framework ---------- */
.section{padding:96px 0;}
.section-head{margin-bottom:48px;}
.sec-label{font-family:var(--font);font-size:13px;font-weight:600;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:14px;display:block;}
.section-head h2{font-size:clamp(28px,3.6vw,40px);font-weight:600;letter-spacing:-.01em;white-space:nowrap;}
.section-head p{margin-top:14px;color:var(--desc);font-size:16px;max-width:680px;}
@media(max-width:640px){.section-head h2{white-space:normal;}}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
@media(max-width:960px){.svc-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr;}}
.svc-card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:34px 26px;}
.svc-card svg{color:var(--accent);width:44px;height:44px;margin-bottom:20px;}
.svc-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.svc-card p{font-size:14.5px;color:var(--desc);}

/* ---------- portfolio cards (design 2: 3-card) ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1280px;margin:0 auto;}
@media(max-width:900px){.case-grid{grid-template-columns:1fr;}}
.case-card{background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .35s ease,box-shadow .35s ease;}
.case-card:hover{transform:scale(1.05);box-shadow:0 18px 40px rgba(0,0,0,.12);z-index:2;position:relative;}
.case-card .thumb{aspect-ratio:1/1;overflow:hidden;}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;}
.case-card .body{padding:22px;}
.case-card .hl{font-family:var(--font);font-size:11px;color:var(--accent);letter-spacing:.14em;text-transform:uppercase;font-weight:700;margin-bottom:8px;display:block;}
.case-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.case-card p{font-size:14px;color:var(--desc);}

/* portfolio archive list (different from home #cases) */
.pf-hero{height:38vh;min-height:280px;position:relative;display:flex;align-items:center;background-size:cover;background-position:center;color:#fff;}
.pf-hero::after{content:"";position:absolute;inset:0;background:rgba(20,14,8,.5);}
.pf-hero .wrap{position:relative;z-index:2;}
.pf-hero .eyebrow{font-family:var(--font);font-size:12px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:12px;display:block;}
.pf-hero h1{font-size:clamp(30px,5vw,46px);font-weight:700;}
.pf-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);}
.pf-list .item{background:#fff;}
.pf-list .item a{display:block;}
.pf-list .item img{width:100%;aspect-ratio:1/1;object-fit:cover;}
.pf-list .item .cap{padding:18px 20px 26px;}
.pf-list .item .cap .lb{font-family:var(--font);font-size:11px;color:var(--accent);letter-spacing:.12em;text-transform:uppercase;font-weight:700;}
.pf-list .item .cap h3{font-size:17px;font-weight:600;margin-top:6px;}
@media(max-width:900px){.pf-list{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:22px 0;font-family:var(--font);font-size:17px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;gap:20px;color:var(--ink);}
.faq-q .mark{color:var(--accent);font-family:var(--font);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 0 22px;color:var(--desc);font-size:15px;}
.faq-item.open .faq-a{max-height:400px;}

/* ---------- guide/info ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media(max-width:860px){.guide-grid{grid-template-columns:1fr;}}
.guide-card{padding:28px;background:#fff;border:1px solid var(--line);border-radius:6px;}
.guide-card .mk{color:var(--accent);font-family:var(--font);font-weight:700;font-size:13px;margin-bottom:10px;display:block;}
.guide-card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.guide-card p{font-size:14px;color:var(--desc);}

/* ---------- closing (B-25) ---------- */
.closing{position:relative;height:650px;background-size:cover;background-position:center;display:flex;align-items:center;justify-content:center;}
.closing::after{content:"";position:absolute;inset:0;background:rgba(19,19,19,.55);}
.closing-inner{position:relative;z-index:2;text-align:center;color:#fff;padding:0 24px;max-width:720px;}
.closing-inner .quote{font-size:15.5px;color:#eee;margin-bottom:34px;line-height:1.7;}
.closing-inner .btn{border-radius:0;}

/* ---------- footer ---------- */
.site-footer{background:#fff;color:#000;border-top:1px solid var(--line);padding:56px 0 28px;}
.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;margin-bottom:32px;}
.footer-biz p{font-size:13.5px;color:var(--desc);line-height:1.9;}
.footer-biz .name{font-weight:700;color:var(--ink);font-size:15px;margin-bottom:6px;}
.footer-cta{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start;}
.footer-guide .name{font-weight:700;color:var(--ink);font-size:15px;margin-bottom:6px;}
.footer-guide ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;}
.footer-guide a{font-size:13.5px;color:var(--desc);}
.copyright{font-size:12.5px;color:#9a9a9a;border-top:1px solid var(--line);padding-top:20px;}

/* ---------- bottom consult bar (B-23) ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:var(--bar-chrome);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 22px rgba(0,0,0,.08);
  padding:14px 20px;
  display:flex;align-items:center;justify-content:center;gap:14px;
  transform:translateY(100%);opacity:0;transition:transform .3s ease,opacity .3s ease;
}
.bottom-bar.show{transform:translateY(0);opacity:1;}
.bottom-bar span{font-size:14.5px;font-weight:600;color:var(--ink);}
.bottom-bar .btn{padding:11px 22px;font-size:14px;min-height:48px;}

/* ---------- page hero (sub pages) ---------- */
.page-hero{position:relative;min-height:44vh;display:flex;align-items:center;background-size:cover;background-position:center;color:#fff;filter:none;}
.page-hero::after{content:"";position:absolute;inset:0;background:rgba(18,13,8,.5);backdrop-filter:blur(0);}
.page-hero .wrap{position:relative;z-index:2;}
.page-hero .eyebrow{font-family:var(--font);font-size:12px;letter-spacing:.25em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:10px;display:block;}
.page-hero h1{font-size:clamp(30px,5vw,48px);font-weight:700;}

/* ---------- generic content ---------- */
.prose{max-width:760px;margin:0 auto;}
.prose h2{font-size:24px;font-weight:600;margin:36px 0 14px;}
.prose p{font-size:15.5px;color:var(--desc);margin-bottom:16px;line-height:1.85;}
.prose ul{margin:0 0 24px;padding-left:20px;color:var(--desc);font-size:15px;line-height:1.9;}
.prose table{width:100%;border-collapse:collapse;margin-bottom:28px;font-size:14.5px;}
.prose th,.prose td{border:1px solid #e6e2da;padding:10px 14px;text-align:left;}
.prose th{background:#F9F7F3;font-weight:600;}
.case-body-img{width:550px;height:410px;object-fit:cover;border-radius:18px;margin:0 auto 32px;}
@media(max-width:640px){.case-body-img{width:100%;max-width:550px;height:auto;aspect-ratio:550/410;}}
.case-label{font-size:11px;color:#8a8a8a;letter-spacing:.08em;text-transform:uppercase;font-family:var(--font);margin-bottom:8px;display:block;text-align:center;}
.case-title{font-size:26px;font-weight:700;text-align:center;margin-bottom:28px;}

.contact-panel{max-width:560px;margin:0 auto;text-align:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:52px 36px;}
.contact-phone{font-size:34px;font-weight:700;color:var(--ink);margin:18px 0 6px;}
.contact-hours{font-size:14px;color:var(--desc);margin-bottom:28px;}

.sitemap-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
@media(max-width:700px){.sitemap-cols{grid-template-columns:1fr;}}
.sitemap-cols h3{font-size:15px;margin-bottom:14px;color:var(--accent);}
.sitemap-cols li{list-style:none;padding:7px 0;border-bottom:1px solid var(--line);font-size:14.5px;}
.sitemap-cols ul{margin:0;padding:0;}

/* ---------- guide hub / related cases / mobile nav ---------- */
.footer-guide .name a{color:var(--ink);}
.guide-hub{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;max-width:1200px;margin:0 auto;}
.gh-card{display:block;background:#fff;border:1px solid var(--line);border-radius:6px;overflow:hidden;}
.gh-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.gh-body{padding:22px;}
.gh-body .lb{font-size:11px;color:var(--accent);letter-spacing:.14em;font-weight:700;display:block;margin-bottom:8px;}
.gh-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.gh-body p{font-size:14px;color:var(--desc);}
.gh-body .more{display:inline-block;margin-top:14px;font-size:14px;font-weight:600;color:var(--accent);}
.gh-more{max-width:1200px;margin:48px auto 0;}
.gh-more h3{font-size:15px;color:var(--accent);margin-bottom:14px;}
.gh-more ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0 24px;}
.gh-more li{padding:7px 0;border-bottom:1px solid var(--line);font-size:14.5px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:960px;margin:0 auto;}
.rel-card{display:block;}
.rel-card img{width:100%;height:180px;object-fit:cover;border-radius:6px;margin-bottom:10px;}
.rel-card .lb{font-size:11px;color:var(--accent);letter-spacing:.12em;font-weight:700;}
.rel-card h3{font-size:16px;font-weight:600;margin-top:4px;}
@media(max-width:767px){
  .guide-hub,.rel-grid{grid-template-columns:1fr;}
  .gh-more ul{grid-template-columns:repeat(2,1fr);}
  html,body{overflow-x:hidden;}
  .site-header{padding:10px 0;}
  .site-header .wrap{flex-direction:column;align-items:stretch;gap:8px;padding:0 12px;}
  .site-logo{font-size:17px;text-align:center;}
  .nav-toggle{display:none;}
  .site-nav,.site-nav.is-open{position:static;transform:none;height:auto;width:100%;max-width:none;background:transparent;box-shadow:none;padding:0;gap:6px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;}
  .site-nav a{font-size:13px;text-align:center;white-space:nowrap;}
  .site-header.is-scrolled .site-nav a{color:var(--ink) !important;}
  .site-nav a:not(.btn){color:#fff !important;}
  .site-header.is-scrolled .site-nav a:not(.btn){color:var(--ink) !important;}
  .site-nav .btn{padding:8px 4px;font-size:13px;}
  .page-hero,.pf-hero{padding-top:90px;}
  .hero h1,.page-hero h1,.pf-hero h1,.section-head h2,.closing-inner .quote{word-break:keep-all;}
  .footer-grid{flex-direction:column;}
}