/* 든든 - 고압환풍기설치 | 테마 C 신뢰형 인덱스구조 | radius 1~1.5rem | Paperlogy+Pretendard */
:root{
  --primary:#C4CBA0;
  --primary-dark:#9AA478;
  --text:#2A2A26;
  --text-muted:#767468;
  --bg:#FFFFFF;
  --bg-soft:#F7F6F1;
  --border:#E4E2D8;
  --card-radius:0;
  --radius-sm:.6rem;
  --max-width:1160px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Pretendard Variable","Paperlogy",-apple-system,BlinkMacSystemFont,"Malgun Gothic",sans-serif;
  color:var(--text);
  background:var(--bg);
  word-break:keep-all;
  line-height:1.6;
}
h1,h2,h3,h4{font-family:"Paperlogy","Pretendard Variable",sans-serif;font-weight:800;line-height:1.35;margin:0;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:var(--max-width);margin:0 auto;padding:0 1.25rem;}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--border);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:1rem;}
.logo{display:flex;flex-direction:column;line-height:1.1;}
.logo-kr{font-family:"Paperlogy";font-weight:800;font-size:1.3rem;}
.logo-en{font-size:.62rem;letter-spacing:.08em;color:var(--text-muted);}
.main-nav{display:flex;gap:1.6rem;font-size:.92rem;font-weight:600;}
.main-nav a:hover{color:var(--primary-dark);}
.header-cta{padding:.6rem 1.2rem;font-size:.88rem;}
@media(max-width:860px){.main-nav{display:none;}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.9rem 1.7rem;font-weight:700;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:all .2s;}
.btn-square{border-radius:0;}
.btn-primary{background:var(--primary);color:#20231a;}
.btn-primary:hover{background:var(--primary-dark);color:#fff;}
.btn-outline{background:transparent;border-color:var(--text);color:var(--text);}
.btn-outline:hover{background:var(--text);color:#fff;}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-outline-light:hover{background:#fff;color:var(--text);}

/* Section shared */
.section{padding:5.5rem 0;}
.section-soft{background:var(--bg-soft);}
.label-number{display:inline-block;font-size:.82rem;font-weight:800;color:var(--primary-dark);letter-spacing:.02em;margin-bottom:.9rem;}
.section-head{max-width:640px;margin:0 auto 2.8rem;text-align:center;}
.section-head h2{font-size:1.9rem;margin-bottom:.8rem;}
.section-head .sub{color:var(--text-muted);font-size:.98rem;}

/* Hero statement (theme C) */
.hero-statement{position:relative;padding:7rem 0 5rem;color:#fff;overflow:hidden;}
.hero-statement::before{content:"";position:absolute;inset:0;background:url('/assets/images/hero/hero-c/hero-bg.webp') center/cover;}
.hero-statement::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,16,.12) 0%,rgba(20,22,16,.5) 55%,rgba(20,22,16,.88) 100%);}
.hero-statement .container{position:relative;z-index:2;max-width:760px;}
.hero-breadcrumb{font-size:.82rem;letter-spacing:.05em;color:rgba(255,255,255,.75);margin-bottom:1.2rem;text-shadow:0 1px 8px rgba(0,0,0,.5);}
.hero-statement h1{font-size:2.6rem;margin-bottom:.7rem;text-shadow:0 2px 16px rgba(0,0,0,.55);}
.hero-statement .hero-sub{font-size:1.15rem;color:var(--primary);font-weight:700;margin-bottom:1.3rem;text-shadow:0 1px 10px rgba(0,0,0,.55);}
.hero-statement .hero-desc{font-size:1rem;color:rgba(255,255,255,.88);margin-bottom:2rem;text-shadow:0 1px 8px rgba(0,0,0,.5);}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2.2rem;}
.hero-tags{display:flex;flex-wrap:wrap;gap:.5rem;}
.hero-tags span{border:1px solid rgba(255,255,255,.35);border-radius:0;padding:.35rem .95rem;font-size:.8rem;color:rgba(255,255,255,.9);}

/* Portfolio + banner block */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
@media(max-width:1024px){.portfolio-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.portfolio-grid{grid-template-columns:1fr;}}
.portfolio-card{border:1px solid var(--border);border-radius:0;overflow:hidden;transition:all .3s;cursor:pointer;display:block;background:#fff;}
.portfolio-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.14);border-color:var(--primary);}
.portfolio-card .thumb{aspect-ratio:4/3;overflow:hidden;}
.portfolio-card .thumb img{width:100%;height:100%;object-fit:cover;}
.portfolio-card .info{padding:1.1rem 1.2rem 1.3rem;}
.portfolio-card .badge{display:inline-block;background:var(--bg-soft);color:var(--primary-dark);font-size:.74rem;font-weight:700;padding:.25rem .65rem;border-radius:0;margin-bottom:.55rem;}
.portfolio-card h3{font-size:1.02rem;margin-bottom:.35rem;}
.portfolio-card .loc{font-size:.83rem;color:var(--text-muted);}
.portfolio-more{text-align:center;margin-top:2.2rem;}

.mood-banner{margin:3.5rem 0 0;height:280px;background:url('/assets/images/portfolio/mood-banner.webp') center/cover;border-radius:0;}
@media(max-width:640px){.mood-banner{height:180px;}}

/* Services + gallery block */
.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.3rem;}
@media(max-width:640px){.services-grid{grid-template-columns:1fr;}}
.service-card{display:flex;gap:1rem;border:1px solid var(--border);border-radius:0;padding:1.3rem;background:#fff;}
.service-card img{width:88px;height:88px;object-fit:cover;border-radius:0;flex-shrink:0;}
.service-card h3{font-size:1.02rem;margin-bottom:.4rem;}
.service-card p{font-size:.87rem;color:var(--text-muted);}

.gallery-grid{margin-top:3rem;display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;}
@media(max-width:860px){.gallery-grid{grid-template-columns:repeat(3,1fr);}}
@media(max-width:520px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
.gallery-item{border-radius:0;overflow:hidden;position:relative;aspect-ratio:3/4;}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.gallery-item:hover img{transform:scale(1.06);}
.gallery-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:.7rem .6rem .6rem;font-size:.76rem;color:#fff;background:linear-gradient(0deg,rgba(0,0,0,.68),transparent);}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.3rem;}
@media(max-width:860px){.process-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:480px){.process-grid{grid-template-columns:1fr;}}
.process-card{padding:1.5rem;border:1px solid var(--border);border-radius:0;background:#fff;}
.process-card .num{font-size:1.4rem;font-weight:800;color:var(--primary-dark);margin-bottom:.6rem;}
.process-card h3{font-size:1.02rem;margin-bottom:.5rem;}
.process-card p{font-size:.86rem;color:var(--text-muted);}

/* Statement */
.statement-wrap{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;}
@media(max-width:860px){.statement-wrap{grid-template-columns:1fr;}}
.statement-wrap img{border-radius:0;width:100%;aspect-ratio:3/4;object-fit:cover;}
.statement-text p{font-size:1.35rem;font-weight:700;line-height:1.7;}
.statement-text p+p{margin-top:1.4rem;}
.statement-text .accent{color:var(--primary-dark);}

/* Trust */
.trust-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:0;overflow:hidden;}
.trust-table th,.trust-table td{padding:1rem 1.3rem;text-align:left;font-size:.92rem;border-bottom:1px solid var(--border);}
.trust-table tr:last-child th,.trust-table tr:last-child td{border-bottom:none;}
.trust-table th{width:170px;color:var(--text-muted);font-weight:600;background:var(--bg-soft);}

/* Index (NSEO) */
.index-list{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:0;overflow:hidden;background:#fff;}
.index-row{display:flex;align-items:center;gap:1.2rem;padding:1.1rem 1.4rem;border-bottom:1px solid var(--border);transition:background .2s;}
.index-row:last-child{border-bottom:none;}
.index-row:hover{background:var(--bg-soft);}
.index-row .idx-no{font-size:1.1rem;font-weight:800;color:var(--primary-dark);width:28px;flex-shrink:0;}
.index-row img{width:64px;height:64px;object-fit:cover;border-radius:0;flex-shrink:0;}
.index-row .idx-label{font-size:.74rem;font-weight:700;color:var(--primary-dark);background:var(--bg-soft);padding:.2rem .5rem;border-radius:0;margin-bottom:.3rem;display:inline-block;}
.index-row .idx-title{font-size:1rem;font-weight:700;}
.index-row .idx-arrow{margin-left:auto;color:var(--text-muted);}

/* About */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;}
@media(max-width:860px){.about-wrap{grid-template-columns:1fr;}}
.about-fact{border:1px solid var(--border);border-radius:0;padding:1.3rem 1.5rem;background:#fff;}
.about-fact+.about-fact{margin-top:1rem;}
.about-fact .k{font-size:.8rem;color:var(--text-muted);margin-bottom:.3rem;}
.about-fact .v{font-size:1.05rem;font-weight:700;}

/* Expertise */
.expertise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem;}
@media(max-width:860px){.expertise-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:480px){.expertise-grid{grid-template-columns:1fr;}}
.expertise-card{border:1px solid var(--border);border-radius:0;padding:1.4rem;background:#fff;}
.expertise-card h3{font-size:.98rem;margin-bottom:.7rem;}
.expertise-card ul li{font-size:.85rem;color:var(--text-muted);padding-left:1.1rem;position:relative;margin-bottom:.4rem;}
.expertise-card ul li::before{content:"✓";position:absolute;left:0;color:var(--primary-dark);font-weight:800;}

/* Reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem;}
@media(max-width:860px){.review-grid{grid-template-columns:1fr;}}
.review-card{border:1px solid var(--border);border-radius:0;padding:1.4rem;background:#fff;}
.review-card .stars{color:var(--primary-dark);margin-bottom:.7rem;font-size:.9rem;}
.review-card p{font-size:.9rem;color:var(--text);margin-bottom:.9rem;}
.review-card .who{font-size:.8rem;color:var(--text-muted);}

/* Guide */
.guide-list{display:flex;flex-direction:column;gap:.8rem;}
.guide-list a{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.3rem;border:1px solid var(--border);border-radius:0;font-size:.94rem;font-weight:600;}
.guide-list a:hover{border-color:var(--primary);background:var(--bg-soft);}

/* Service area */
.area-tags{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;}
.area-tags span{border:1px solid var(--border);border-radius:0;padding:.5rem 1.1rem;font-size:.86rem;background:#fff;}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{width:100%;text-align:left;padding:1.3rem .3rem;background:none;border:none;font-size:1rem;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:1rem;font-family:inherit;color:var(--text);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;font-size:.9rem;color:var(--text-muted);}
.faq-a p{padding:0 .3rem 1.3rem;}
.faq-item.open .faq-a{max-height:400px;}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-q .chev{transition:transform .2s;flex-shrink:0;}

/* CTA */
.cta-section{text-align:center;background:var(--bg-soft);border-radius:0;padding:4rem 2rem;}
.cta-section h2{font-size:1.7rem;margin-bottom:.8rem;}
.cta-section p{color:var(--text-muted);margin-bottom:2rem;}

/* Footer */
.site-footer{background:#20231a;color:rgba(255,255,255,.85);padding:4rem 0 2rem;margin-top:4rem;}
.footer-inner{display:flex;flex-direction:column;gap:2.2rem;}
.footer-brand .logo-kr{color:#fff;font-size:1.3rem;}
.footer-brand p{margin-top:.6rem;font-size:.85rem;color:rgba(255,255,255,.6);max-width:480px;}
.footer-links{display:flex;gap:4rem;flex-wrap:wrap;}
.footer-col h4{font-size:.8rem;color:rgba(255,255,255,.5);margin-bottom:.8rem;}
.footer-col{display:flex;flex-direction:column;gap:.5rem;font-size:.88rem;}
.footer-biz{display:flex;gap:1.3rem;flex-wrap:wrap;font-size:.78rem;color:rgba(255,255,255,.5);border-top:1px solid rgba(255,255,255,.12);padding-top:1.5rem;}
.footer-copy{font-size:.76rem;color:rgba(255,255,255,.4);}

/* Floating */
.floating-btn{position:fixed;right:1.3rem;bottom:1.3rem;z-index:200;display:flex;align-items:center;gap:.5rem;background:var(--text);color:#fff;padding:.85rem 1.2rem;border-radius:0;box-shadow:0 8px 24px rgba(0,0,0,.25);font-weight:700;font-size:.88rem;}
.floating-btn:hover{background:var(--primary-dark);}

/* Detail hero (portfolio/nseo sub pages) */
.detail-hero{position:relative;padding:6rem 0 3.5rem;color:#fff;overflow:hidden;}
.detail-hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.detail-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.45) 55%,rgba(0,0,0,.8) 100%);}
.detail-hero .container{position:relative;z-index:2;}
.detail-hero .back-link{font-size:.85rem;color:rgba(255,255,255,.8);margin-bottom:1rem;display:inline-block;text-shadow:0 1px 8px rgba(0,0,0,.5);}
.detail-hero h1{font-size:2.1rem;color:#fff;margin-bottom:.5rem;text-shadow:0 2px 14px rgba(0,0,0,.55);}
.detail-hero .loc{color:rgba(255,255,255,.85);text-shadow:0 1px 8px rgba(0,0,0,.5);}

.info-bar{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:0;overflow:hidden;margin-top:-2.2rem;position:relative;z-index:3;background:#fff;}
@media(max-width:640px){.info-bar{grid-template-columns:repeat(2,1fr);}}
.info-bar div{padding:1.2rem;border-right:1px solid var(--border);}
.info-bar div:last-child{border-right:none;}
.info-bar .k{font-size:.76rem;color:var(--text-muted);margin-bottom:.3rem;}
.info-bar .v{font-size:.95rem;font-weight:700;}

/* Blog-style story body */
.story-body{max-width:720px;margin:0 auto;font-size:1rem;line-height:1.9;}
.story-body h2{font-size:1.35rem;margin:2.4rem 0 1rem;}
.story-body h3{font-size:1.1rem;margin:2rem 0 .8rem;}
.story-body p{margin-bottom:1.5rem;color:var(--text);}
.story-body figure{margin:2rem 0;}
.story-body figure img{width:100%;border-radius:0;}
.story-body figcaption{margin-top:.5rem;font-size:.85rem;color:var(--text-muted);text-align:center;}
.story-body mark{background:rgba(196,203,160,.45);padding:.05em .2em;border-radius:0;font-weight:700;}
.story-quote{border-left:3px solid var(--primary-dark);padding:1rem 1.5rem;margin:2.5rem auto;max-width:720px;font-size:1.05rem;font-style:italic;background:var(--bg-soft);}
.story-quote .signature{display:block;margin-top:.75rem;font-size:.85rem;font-style:normal;color:var(--text-muted);text-align:right;}
.summary-box{max-width:720px;margin:2.5rem auto;background:var(--bg-soft);border-radius:0;padding:1.8rem 2rem;}
.summary-box h3{font-size:1rem;margin-bottom:1rem;}
.summary-box li{font-size:.92rem;padding-left:1.3rem;position:relative;margin-bottom:.6rem;}
.summary-box li::before{content:"·";position:absolute;left:0;color:var(--primary-dark);font-weight:800;}
.related-links{max-width:720px;margin:2.5rem auto;display:flex;gap:1rem;flex-wrap:wrap;}
.related-links a{flex:1;min-width:200px;border:1px solid var(--border);border-radius:0;padding:1rem 1.2rem;font-size:.88rem;font-weight:600;}
.related-links a:hover{border-color:var(--primary);background:var(--bg-soft);}
.detail-cta{text-align:center;padding:3rem 0;}
