/*
Theme Name: YK Folding
Theme URI: https://folding.ykwindow.com
Author: YK폴딩도어
Description: YK폴딩도어(단열폴딩도어 시공 전문) 맞춤 제작 테마
Version: 1.4
Text Domain: yk-folding
*/

/* ---------- 기본 변수 ---------- */
:root{
  --bg:#F5F5F0;
  --bg-dark:#0D1B2A;
  --gold:#D6AD60;
  --red:#A11D15;
  --text:#101010;
  --text-light:#F5F5F0;
  --radius:12px;
  --gap-img:16px;
  --side:24px;
  --section-gap:48px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Pretendard',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{font-weight:700;margin:0 0 12px;line-height:1.3}
h1{font-size:29px}
h2{font-size:22px}
h3{font-size:18px}
h4{font-size:16px}
p{margin:0 0 16px}
.container{max-width:1120px;margin:0 auto;padding:0 var(--side)}
.icon{width:24px;height:24px;flex-shrink:0}

/* ---------- 버튼/CTA ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;border-radius:999px;
  font-weight:700;font-size:16px;white-space:nowrap;
}
.btn-primary{background:var(--red);color:#fff}
.btn-line{background:transparent;color:var(--bg-dark);border:1.5px solid var(--bg-dark)}
.consult-cta .btn-line,.hero .btn-line{color:#fff;border-color:rgba(255,255,255,.7)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}

/* ---------- 헤더 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--bg);
  border-bottom:1px solid rgba(13,27,42,.08);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px var(--side);max-width:1120px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:8px}
.brand-mark{border-radius:8px}
.brand-name{font-size:18px;font-weight:800;color:var(--bg-dark)}
.nav-pc{display:none;align-items:center;gap:28px}
.nav-pc a{display:flex;align-items:center;gap:6px;font-weight:600;color:var(--bg-dark)}
.nav-pc a .icon{width:20px;height:20px}
.hamburger{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;background:none;border:0;cursor:pointer;
}
.hamburger span{display:block;width:24px;height:2px;background:var(--bg-dark);margin:0 auto;transition:transform .25s,opacity .25s}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
  background:var(--bg);border-top:1px solid rgba(13,27,42,.08);
}
.nav-mobile.open{max-height:320px}
.nav-mobile a{display:flex;align-items:center;gap:10px;padding:14px var(--side);font-weight:600;min-height:44px}
.nav-mobile a .icon{width:20px;height:20px}

/* ---------- 히어로 ---------- */
.hero{position:relative;color:var(--text-light);padding:0}
.hero-media{position:relative;min-height:420px;display:flex;align-items:flex-end}
.hero-media::before{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,27,42,.15),rgba(13,27,42,.55));
}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-1}
.hero-inner{position:relative;z-index:1;padding:40px var(--side) 40px}
.hero-inner h1{font-size:29px;color:#fff}
.hero-inner p{color:#f0f0ee}

/* ---------- 섹션 공통 ---------- */
section{padding:var(--section-gap) 0}
.section-head{margin-bottom:28px}
.section-head p{color:#3b3b3b}
.on-dark{background:var(--bg-dark);color:var(--text-light)}
.on-dark .section-head p{color:#cbd3dc}
.on-dark h2{color:#fff}

/* ---------- 카드 그리드(시공사례/서비스/종류) ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:var(--gap-img)}
.card{
  position:relative;display:block;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;background:#ddd;
}
.card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-overlay{
  position:absolute;inset:0;display:flex;align-items:flex-end;padding:16px;
  background:linear-gradient(180deg,rgba(13,27,42,0) 40%,rgba(13,27,42,.85) 100%);
}
.card-overlay .cname{color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;gap:6px}
.card-overlay .cname .icon{width:18px;height:18px;transition:transform .25s}
.card:hover img{transform:scale(1.06)}
.card:hover .cname .icon{transform:translateX(4px)}
.more-link{display:flex;justify-content:center;margin-top:28px}

/* ---------- 스와이프 슬라이더 (모바일 painpoint/whyus/about) ---------- */
.swipe-wrap{position:relative}
.swipe-track{
  display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:var(--gap-img);
  scrollbar-width:none;-ms-overflow-style:none;padding-bottom:4px;
}
.swipe-track::-webkit-scrollbar{display:none}
.swipe-track .slide{flex:0 0 100%;scroll-snap-align:center}
.dots{display:flex;justify-content:center;gap:8px;margin-top:16px}
.dots .dot{width:8px;height:8px;border-radius:50%;background:#c9c4b8}
.dots .dot.active{background:var(--bg-dark)}
.on-dark .dots .dot{background:rgba(255,255,255,.3)}
.on-dark .dots .dot.active{background:var(--gold)}

.info-card{
  background:#fff;border-radius:var(--radius);padding:24px;height:100%;
  display:flex;flex-direction:column;gap:12px;
}
.info-card .icon{width:24px;height:24px;color:var(--red)}
.on-dark .info-card{background:rgba(255,255,255,.06)}
.on-dark .info-card .icon{color:var(--gold)}
.on-dark .info-card h3{color:#fff}
.on-dark .info-card p{color:#cbd3dc}

/* ---------- FAQ (native details/summary) ---------- */
.faq-item{border-bottom:1px solid rgba(13,27,42,.12)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--gold);flex-shrink:0}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding-bottom:18px;color:#333}

/* ---------- 상담 CTA / 푸터 ---------- */
.consult-cta{background:var(--bg-dark);color:#fff;text-align:center;padding:56px var(--side)}
.consult-cta h2{color:#fff}
.consult-cta .cta-row{justify-content:center}
.site-footer{background:#0a141d;color:#cbd3dc;padding:40px var(--side)}
.footer-inner{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.footer-brand{font-size:18px;font-weight:800;color:#fff}
.footer-info li{font-size:14px;padding:2px 0}
.footer-nav{display:flex;gap:20px}
.footer-nav a{display:flex;align-items:center;gap:6px;font-size:14px}
.footer-nav a .icon{width:18px;height:18px}

/* ---------- 리빌 애니메이션 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in-view{opacity:1;transform:none}

/* ---------- 상세 페이지 공통 ---------- */
.detail-hero{padding-top:40px}
.detail-hero img{border-radius:var(--radius);margin-bottom:16px}
.detail-body p{margin-bottom:16px}

/* 시공사례 히어로 변형: overlay(이미지 위 텍스트) */
.case-hero-overlay{position:relative;min-height:320px;display:flex;align-items:flex-end;color:#fff;padding:0}
.case-hero-overlay img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:0;margin:0;z-index:-2}
.case-hero-overlay::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,27,42,.1),rgba(13,27,42,.8));z-index:-1}
.case-hero-overlay .container{padding-top:32px;padding-bottom:32px}
.case-hero-overlay h1{color:#fff}

/* 시공사례 히어로 변형: 팩트 칩 */
.fact-chips{display:flex;flex-wrap:wrap;gap:8px;margin:4px 0 20px}
.fact-chips span{font-size:14px;font-weight:700;padding:6px 16px;border-radius:999px;background:rgba(13,27,42,.06);color:var(--bg-dark)}

/* 강조 블록 변형 */
.quote-box{background:#fff;border-left:4px solid var(--red);border-radius:8px;padding:22px 24px;font-weight:600}
.quote-box p{margin-bottom:0}
.highlight-box{background:#fff;border-left:4px solid var(--gold);border-radius:8px;padding:22px 24px}
.highlight-box p{margin-bottom:0}
.detail-steps{display:grid;grid-template-columns:1fr;gap:var(--gap-img)}
.detail-steps li{background:#fff;border-radius:var(--radius);padding:16px;font-weight:600}
.detail-steps li span{display:block;color:var(--gold);font-weight:800;font-size:14px;margin-bottom:4px}

/* ---------- contact page ---------- */
.contact-box{background:#fff;border-radius:var(--radius);padding:24px;margin-top:16px}
.contact-box li{padding:8px 0;border-bottom:1px solid rgba(13,27,42,.08)}

/* ---------- PC(768px 이상) ---------- */
@media (min-width:768px){
  :root{--side:40px}
  h1{font-size:48px}
  h2{font-size:32px}
  h3{font-size:20px}
  .nav-pc{display:flex}
  .hamburger,.nav-mobile{display:none}
  .hero-media{min-height:560px}
  .hero-inner{padding:0 60px 64px;max-width:760px}
  .hero-inner h1{font-size:56px}
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .card-grid-2col{grid-template-columns:repeat(2,1fr)}
  .swipe-wrap .swipe-track{overflow:visible;scroll-snap-type:none}
  .swipe-track .slide{flex:1 1 0}
  .dots{display:none}
  .detail-steps{grid-template-columns:repeat(4,1fr)}
}
@media (min-width:1024px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
  .card-grid-2col{grid-template-columns:repeat(2,1fr)}
  .footer-inner{flex-direction:row;justify-content:space-between;align-items:center}
  .footer-info{display:flex;gap:20px}
}