:root{
  --primary:#a67c52;
  --primary-soft:#f1e7da;
  --ink:#232019;
  --ink-mute:#7a7364;
  --bg:#faf7f2;
  --bg-alt:#f1ebe0;
  --bg-dark:#17140f;
  --bg-dark-alt:#211d16;
  --cream:#f3ead9;
  --cream-mute:#c9bfae;
  --border:#e4dccd;
  --border-dark:#39332a;
  --radius-card:3px;
  --radius-btn:2px;
  --radius-tag:999px;
  --font-serif:'Noto Serif KR','Nanum Myeongjo',Georgia,serif;
  --font-sans:'Pretendard','Malgun Gothic',sans-serif;
}
*{box-sizing:border-box;}
body{margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.7;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
h1,h2,h3{font-family:var(--font-serif);font-weight:700;line-height:1.35;margin:0 0 .5em;letter-spacing:-.01em;}
p{margin:0 0 1em;}
.container{max-width:1120px;margin:0 auto;padding:0 20px;}

/* header */
.topbar{background:var(--bg-dark);color:var(--cream-mute);font-size:13px;border-bottom:1px solid var(--border-dark);}
.topbar-inner{max-width:1120px;margin:0 auto;padding:7px 20px;display:flex;flex-wrap:wrap;gap:4px 16px;justify-content:space-between;align-items:center;}
.topbar-phone{font-weight:700;color:var(--primary);}
.navbar{background:var(--bg-dark);border-bottom:1px solid var(--border-dark);position:sticky;top:0;z-index:20;}
.navbar-inner{max-width:1120px;margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;align-items:center;position:relative;}
.main-nav{display:flex;gap:26px;align-items:center;font-size:14px;letter-spacing:.03em;}
.main-nav a{color:var(--cream-mute);transition:color .15s;}
.main-nav a:hover{color:var(--primary);}
.nav-cta{background:transparent;color:var(--primary)!important;padding:8px 16px;border:1px solid var(--primary);border-radius:var(--radius-btn);}

.nav-toggle-checkbox{display:none;}
.nav-toggle-btn{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;cursor:pointer;}
.nav-toggle-btn span{display:block;width:100%;height:1px;background:var(--cream);}

@media (max-width:860px){
  .nav-toggle-btn{display:flex;}
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    background:var(--bg-dark);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    border-top:1px solid var(--border-dark);
    border-bottom:1px solid var(--border-dark);
    max-height:0;
    overflow:hidden;
    transition:max-height .25s ease;
  }
  .main-nav a{padding:14px 20px;border-bottom:1px solid var(--border-dark);}
  .main-nav .nav-cta{margin:12px 20px;text-align:center;padding:12px 16px;}
  .nav-toggle-checkbox:checked ~ .main-nav{max-height:420px;}
}

/* buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:var(--radius-btn);font-weight:700;letter-spacing:.02em;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-outline{border:1px solid var(--primary);color:var(--primary);}

/* hero (collage) */
.hero{background:var(--bg-dark);color:var(--cream);padding:64px 0;}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.hero-eyebrow{display:inline-block;border:1px solid var(--primary);color:var(--primary);padding:6px 14px;border-radius:var(--radius-tag);font-size:12px;letter-spacing:.08em;margin-bottom:16px;}
.hero h1{font-size:38px;color:var(--cream);}
.hero-desc{color:var(--cream-mute);font-size:16px;}
.hero-cta{display:flex;gap:12px;margin-top:24px;}
.hero .btn-outline{color:var(--cream);border-color:var(--cream-mute);}
.hero .btn-outline:hover{border-color:var(--primary);color:var(--primary);}

.hero-collage{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(2,130px);gap:10px;}
.hero-collage img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-card);}
.hero-collage .collage-a{grid-column:1/3;grid-row:1/3;}
.hero-collage .collage-b{grid-column:3/5;grid-row:1/2;}
.hero-collage .collage-c{grid-column:3/4;grid-row:2/3;}
.hero-collage .collage-d{grid-column:4/5;grid-row:2/3;}
.hero-image img{border-radius:var(--radius-card);}

/* trust index stats bar */
.trust-bar{background:var(--bg-dark-alt);color:var(--cream);padding:32px 0;border-bottom:1px solid var(--border-dark);}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center;}
.trust-num{font-family:var(--font-serif);font-size:30px;font-weight:700;color:var(--primary);}
.trust-label{font-size:13px;color:var(--cream-mute);letter-spacing:.03em;}

/* section heading */
.section{padding:64px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{text-align:center;margin-bottom:36px;}
.section-tag{display:inline-block;color:var(--primary);font-size:12px;font-weight:700;letter-spacing:.12em;margin-bottom:10px;text-transform:uppercase;}
.section-head h2{font-size:28px;}
.section-head p{color:var(--ink-mute);}

/* why grid */
.why-grid, .service-grid, .sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.why-card, .service-card{border:1px solid var(--border);border-radius:var(--radius-card);padding:28px;background:#fff;}
.why-card h3, .service-card h3{font-size:18px;}
.card-icon{width:40px;height:40px;border-radius:var(--radius-btn);border:1px solid var(--primary);display:flex;align-items:center;justify-content:center;color:var(--primary);font-weight:700;font-family:var(--font-serif);margin-bottom:16px;}

/* portfolio grid */
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.portfolio-card{border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;background:#fff;}
.portfolio-card img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.portfolio-card-body{padding:18px;}
.portfolio-tag{display:inline-block;color:var(--primary);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px;}
.portfolio-card h3{font-size:16px;}
.portfolio-loc{color:var(--ink-mute);font-size:13px;}

/* process */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.process-step{text-align:center;padding:24px 16px;border-radius:var(--radius-card);background:#fff;border:1px solid var(--border);}
.process-num{font-family:var(--font-serif);font-size:22px;font-weight:700;color:var(--primary);}

/* faq */
.faq-item{border-bottom:1px solid var(--border);padding:18px 0;}
.faq-q{font-family:var(--font-serif);font-weight:700;margin-bottom:6px;}
.faq-a{color:var(--ink-mute);}

/* cta banner */
.cta-banner{background:var(--bg-dark);color:var(--cream);border-radius:var(--radius-card);padding:48px;text-align:center;margin:0 auto;}
.cta-banner h2{color:var(--cream);}
.cta-banner p{color:var(--cream-mute);}
.cta-banner .btn-primary{background:var(--primary);color:#fff;}

/* footer */
.site-footer{background:var(--bg-dark);color:var(--cream-mute);padding:48px 0 0;border-top:1px solid var(--border-dark);}
.footer-inner{max-width:1120px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px;}
.footer-desc{color:var(--cream-mute);font-size:14px;}
.footer-info p{font-size:13px;margin:0 0 6px;color:var(--cream-mute);}
.footer-info a{color:var(--primary);}
.footer-links{display:flex;flex-direction:column;gap:8px;font-size:14px;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{border-top:1px solid var(--border-dark);margin-top:28px;padding:16px 20px;text-align:center;font-size:12px;color:#5c564a;}

/* floating bar */
.floating-bar{position:fixed;left:0;right:0;bottom:0;display:flex;z-index:30;box-shadow:0 -4px 12px rgba(0,0,0,.15);}
.floating-btn{flex:1;text-align:center;padding:16px 0;font-weight:700;font-size:15px;}
.floating-primary{background:var(--primary);color:#fff;}
.floating-secondary{background:var(--bg-dark);color:var(--cream);}
body{padding-bottom:56px;}

/* gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.gallery-item{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--border);}
.gallery-item img{aspect-ratio:1/1;object-fit:cover;width:100%;}
.gallery-caption{padding:10px 12px;font-size:13px;color:var(--ink-mute);}

/* breadcrumb */
.breadcrumb{font-size:13px;color:var(--ink-mute);margin-bottom:16px;}
.breadcrumb a{color:var(--primary);}

/* blog-story (portfolio detail) */
.story{max-width:760px;margin:0 auto;}
.story-block-text{font-size:16px;margin-bottom:26px;}
.story-block-photo{margin:0 0 26px;}
.story-block-photo img{border-radius:var(--radius-card);}
.story-block-photo figcaption{font-size:13px;color:var(--ink-mute);margin-top:8px;text-align:center;}
.story mark{background:color-mix(in srgb, var(--primary) 22%, transparent);padding:0 3px;border-radius:2px;}
.story-quote{border-left:2px solid var(--primary);background:var(--bg-alt);padding:24px 28px;border-radius:0 var(--radius-card) var(--radius-card) 0;font-family:var(--font-serif);font-size:18px;font-style:italic;margin:36px 0;}
.story-quote cite{display:block;margin-top:12px;font-size:13px;font-style:normal;color:var(--ink-mute);}
.story-summary{background:var(--bg-alt);border-radius:var(--radius-card);padding:26px;margin:36px 0;}
.story-summary li{margin-bottom:8px;}
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0;}
.related-card{border:1px solid var(--border);border-radius:var(--radius-card);padding:16px;font-size:14px;}

/* compare (before/after) */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px;}
.compare-grid figure{margin:0;}
.compare-grid img{border-radius:var(--radius-card);}
.compare-label{font-size:12px;font-weight:700;color:var(--primary);margin-bottom:6px;}

/* compare table (nseo-blog pattern B) */
.compare-table{width:100%;border-collapse:collapse;margin:24px 0 32px;font-size:15px;}
.compare-table th,.compare-table td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.compare-table th{background:var(--bg-alt);font-family:var(--font-serif);}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-collage{grid-template-rows:repeat(2,110px);}
  .trust-grid,.why-grid,.service-grid,.sector-grid,.portfolio-grid,.process-list,.gallery-grid,.related-list{grid-template-columns:repeat(2,1fr);}
  .footer-inner{grid-template-columns:1fr;}
  .compare-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .trust-grid,.why-grid,.service-grid,.sector-grid,.portfolio-grid,.process-list,.gallery-grid,.related-list{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  .hero-collage{grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(3,120px);}
  .hero-collage .collage-a{grid-column:1/3;grid-row:1/2;}
  .hero-collage .collage-b{grid-column:1/2;grid-row:2/3;}
  .hero-collage .collage-c{grid-column:2/3;grid-row:2/3;}
  .hero-collage .collage-d{grid-column:1/3;grid-row:3/4;}
}

/* detail2 (세부페이지 읽기형 레이아웃) */
.d-head{max-width:1120px;margin:0 auto;padding:12px 20px 0;}
.d-head h1{font-size:32px;margin-bottom:12px;}
.d-answer{font-size:17px;max-width:760px;color:var(--ink);}
.d-strip{margin:20px 0 0;aspect-ratio:2/1;max-height:340px;overflow:hidden;border-radius:var(--radius-card);}
.d-strip img{width:100%;height:100%;display:block;object-fit:cover;object-position:center 55%;}
.d-wrap{max-width:1120px;margin:0 auto;padding:32px 20px 24px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start;}
.d-main{max-width:760px;}
.d-main h2{font-size:24px;margin-top:40px;}
.d-main .story-block-text{font-size:16px;margin-bottom:22px;}
.d-main .story-block-photo img{max-height:460px;width:auto;max-width:100%;margin:0 auto;display:block;}
.d-aside{position:sticky;top:84px;}
.d-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:18px 20px;}
.d-box summary{font-family:var(--font-serif);font-weight:700;cursor:pointer;}
.d-box ol{margin:12px 0 16px;padding-left:20px;font-size:14px;}
.d-box a{color:var(--ink);}
.d-box .btn{display:block;text-align:center;padding:11px 0;}
.d-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.d-table-wrap .compare-table{min-width:480px;}
.d-faq{margin-top:48px;}
.d-faq details{border-bottom:1px solid var(--border);padding:14px 0;}
.d-faq summary{cursor:pointer;list-style:none;}
.d-faq summary::-webkit-details-marker{display:none;}
.d-faq summary h3{display:inline;font-size:17px;margin:0;}
.d-faq summary::after{content:"+";float:right;color:var(--primary);font-weight:700;}
.d-faq details[open] summary::after{content:"−";}
.d-faq details p{margin:10px 0 0;color:var(--ink-mute);}
.d-updated{font-size:13px;color:var(--ink-mute);margin-top:28px;}
.d-related{max-width:1120px;margin:0 auto;padding:8px 20px 32px;}
.d-related .portfolio-grid{grid-template-columns:repeat(3,1fr);}
.d-cta{background:var(--bg-dark);color:var(--cream);padding:22px 0;}
.d-cta-inner{max-width:1120px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.d-cta p{margin:0;color:var(--cream-mute);}
.d-cta .btn-primary{background:var(--primary);color:#fff;}
@media (max-width:900px){
  .d-wrap{grid-template-columns:1fr;gap:16px;}
  .d-aside{position:static;order:-1;}
  .d-head h1{font-size:26px;}
  .d-strip{aspect-ratio:16/10;max-height:none;}
  .d-head{padding:8px 16px 0;}
  .d-head h1{font-size:23px;line-height:1.35;word-break:keep-all;}
  .d-answer{font-size:16px;}
  .d-wrap{padding:20px 16px 16px;}
  .d-main h2{font-size:20px;margin-top:30px;word-break:keep-all;}
  .d-main .story-block-text{font-size:15.5px;line-height:1.8;}
  .d-main .story-block-photo img{max-height:340px;}
  .d-table-wrap .compare-table{min-width:0;font-size:13.5px;}
  .d-table-wrap .compare-table th,.d-table-wrap .compare-table td{padding:8px 10px;}
  .d-faq summary h3{font-size:15.5px;}
  .d-related{padding:8px 16px 24px;}
  .d-related .portfolio-grid{grid-template-columns:1fr;}
  .d-cta-inner{padding:0 16px;flex-direction:column;align-items:stretch;text-align:center;}
  .d-cta .btn{display:block;}
}