/* Primary: 다크 틸 #1a4a4a — 인테리어·리폼 업종 자동 선정 */
:root {
  --primary: #1a4a4a;
  --primary-light: #2a6a6a;
  --primary-ultra: rgba(26,74,74,0.08);
  --accent: #c8902a;
  --bg-1: #ffffff;
  --bg-2: #f5f8f7;
  --bg-3: #eef3f2;
  --text: #1a2828;
  --text-muted: #5a7272;
  --border: #d8e6e4;
  --footer-bg: #0f2626;
  --card-radius: 1rem;
  --shadow-sm: 0 2px 8px rgba(26,74,74,0.08);
  --shadow-md: 0 8px 24px rgba(26,74,74,0.12);
  --shadow-lg: 0 16px 48px rgba(26,74,74,0.16);
  --transition: 0.3s ease;
  --max-w: 1200px;
  --section-py: 5rem;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans KR',sans-serif;font-weight:400;color:var(--text);background:var(--bg-1);overflow-x:hidden;word-break:keep-all;overflow-wrap:break-word;line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

/* === Layout === */
.container{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
section{padding:var(--section-py) 0}
.section-label{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;background:var(--primary);padding:.25rem .75rem;border-radius:.35rem;margin-bottom:1rem}
.section-title{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;line-height:1.25;color:var(--text);margin-bottom:.75rem}
.section-sub{font-size:1rem;color:var(--text-muted);font-weight:300;margin-bottom:2.5rem}

/* === Animations === */
.fade-in-up{opacity:0;transform:translateY(30px);transition:.8s cubic-bezier(.16,1,.3,1)}
.fade-in-up.is-visible{opacity:1;transform:translateY(0)}

/* === Header === */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(26,74,74,.1);height:64px;display:flex;align-items:center}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.nav-logo{display:flex;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:800;color:var(--primary);letter-spacing:-.02em}
.nav-logo-sub{font-size:1.1rem;font-weight:400;color:#9aacac;letter-spacing:0;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:2rem}
.nav-menu a{font-size:.9rem;font-weight:500;color:var(--text);transition:color var(--transition)}
.nav-menu a:hover{color:var(--primary)}
.nav-cta{display:inline-flex;align-items:center;gap:.4rem;background:var(--primary);color:#fff;font-size:.875rem;font-weight:700;padding:.55rem 1.3rem;border-radius:9999px;transition:all var(--transition)}
.nav-cta:hover{background:var(--primary-light);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;padding:.5rem;background:none}
.hamburger span{display:block;width:22px;height:2px;background:var(--primary);border-radius:2px;transition:var(--transition)}

/* === Mobile Nav === */
.mobile-nav{display:none;position:fixed;inset:0;z-index:999;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:2rem;transform:translateX(100%);transition:transform .35s ease}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav a{font-size:1.2rem;font-weight:700;color:var(--text)}
.mobile-nav .mobile-cta{background:var(--primary);color:#fff;padding:.75rem 2rem;border-radius:9999px}
.mobile-close{position:absolute;top:1.5rem;right:1.5rem;font-size:1.5rem;background:none;color:var(--text);padding:.5rem}

/* === Portfolio Section === */
.portfolio-section{background:var(--bg-1);padding-top:calc(var(--section-py) + 64px)}
.portfolio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;margin-bottom:2.5rem}
.card-wrap{border-radius:var(--card-radius);overflow:hidden;border:1px solid var(--border);background:#fff;transition:all var(--transition);box-shadow:var(--shadow-sm)}
.card-wrap:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.card-image-wrap{display:flex;overflow:hidden;border-radius:var(--card-radius) var(--card-radius) 0 0}
.img-cell{flex:1;overflow:hidden;position:relative;aspect-ratio:80/87}
.img-cell img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.card-wrap:hover .img-cell img{transform:scale(1.03)}
.img-cell+.img-cell{border-left:1px solid rgba(255,255,255,.6)}
.label-before{position:absolute;bottom:0;left:0;background:rgba(0,0,0,.55);color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.08em;padding:.2rem .5rem;border-radius:0 .25rem 0 0}
.label-after{position:absolute;bottom:0;right:0;background:var(--primary);color:#fff;font-size:.62rem;font-weight:700;letter-spacing:.08em;padding:.2rem .5rem;border-radius:.25rem 0 0 0}
.card-body{padding:1rem 1.1rem 1.1rem}
.card-region{font-size:.72rem;font-weight:700;color:var(--primary);letter-spacing:.05em;margin-bottom:.35rem}
.card-title{font-size:1rem;font-weight:800;line-height:1.35;margin-bottom:.4rem}
.card-desc{font-size:.82rem;color:var(--text-muted);font-weight:300;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-hidden{display:none}
.card-hidden.fade-in-up{opacity:0}
.btn-load-more{display:block;margin:0 auto;padding:.7rem 2.2rem;border:2px solid var(--primary);color:var(--primary);background:transparent;font-size:.9rem;font-weight:700;border-radius:9999px;transition:all var(--transition)}
.btn-load-more:hover{background:var(--primary);color:#fff}

/* === Service Section === */
.service-section{background:var(--bg-2)}
.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1rem}
.service-card{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;background:#fff;transition:all var(--transition);cursor:pointer}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--primary)}
.service-thumb{aspect-ratio:3/4;overflow:hidden}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.service-card:hover .service-thumb img{transform:scale(1.04)}
.service-body{padding:1.1rem;display:flex;flex-direction:column;gap:.6rem}
.service-label{font-size:.62rem;font-weight:700;letter-spacing:.1em;background:var(--primary);color:#fff;display:inline-block;padding:.2rem .55rem;border-radius:.25rem;align-self:flex-start}
.service-title{font-weight:800;font-size:.95rem;line-height:1.4}
.service-desc{font-weight:300;font-size:.8rem;line-height:1.6;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.service-more{font-size:.8rem;font-weight:600;color:var(--text-muted);transition:color var(--transition)}
.service-card:hover .service-more{color:var(--primary)}

/* === Hero Section === */
.hero-section{position:relative;overflow:hidden;min-height:520px;display:flex;align-items:center}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-image:url('/assets/images/hero-01.webp')}
.hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.42)}
.hero-content{position:relative;z-index:1;width:100%;padding:5rem 0}
.hero-title{font-size:clamp(1.5rem,3.5vw,2.5rem);font-weight:800;color:#fff;line-height:1.3;margin-bottom:.75rem;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.hero-sub{font-size:1rem;color:rgba(255,255,255,.88);font-weight:300;margin-bottom:2.5rem;text-shadow:0 1px 8px rgba(0,0,0,.3)}
.step-grid{display:flex;gap:2rem;margin-bottom:2.5rem}
.step-item{display:flex;align-items:flex-start;gap:.75rem;flex:1}
.step-num{flex-shrink:0;width:2.2rem;height:2.2rem;border-radius:9999px;background:var(--primary);color:#fff;font-size:.8rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.step-info .step-label{font-size:.72rem;font-weight:700;color:rgba(255,255,255,.65);letter-spacing:.05em;margin-bottom:.2rem}
.step-info .step-text{font-size:.875rem;font-weight:600;color:#fff}
.hero-cta{display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:var(--primary);font-size:.95rem;font-weight:800;padding:.85rem 2rem;border-radius:9999px;transition:all var(--transition);box-shadow:0 4px 16px rgba(0,0,0,.2)}
.hero-cta:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

/* === Process Section === */
.process-section{background:var(--bg-1)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.process-item{text-align:center;padding:2rem 1.5rem;border-radius:var(--card-radius);background:var(--bg-2);border:1px solid var(--border);transition:var(--transition)}
.process-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.process-num{font-size:2.5rem;font-weight:800;color:var(--primary);opacity:.25;line-height:1;margin-bottom:.75rem}
.process-icon{margin:0 auto .75rem;width:3rem;height:3rem;background:var(--primary-ultra);border-radius:.75rem;display:flex;align-items:center;justify-content:center}
.process-icon svg{width:1.5rem;height:1.5rem;color:var(--primary)}
.process-title{font-size:1rem;font-weight:800;margin-bottom:.5rem}
.process-desc{font-size:.82rem;color:var(--text-muted);font-weight:300;line-height:1.6}

/* === Related Section === */
.related-section{background:var(--bg-2)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.related-card{border:1px solid var(--border);border-radius:var(--card-radius);padding:1.5rem;background:#fff;transition:var(--transition)}
.related-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.related-card h3{font-size:.95rem;font-weight:700;margin-bottom:.5rem;color:var(--text)}
.related-card p{font-size:.8rem;color:var(--text-muted);font-weight:300;line-height:1.6}
.related-card .link-more{font-size:.8rem;font-weight:600;color:var(--primary);margin-top:.75rem;display:inline-block}

/* === Main Banner === */
.main-banner{background:var(--bg-3);border-radius:var(--card-radius);border:1px solid var(--border);padding:2rem;display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.main-banner-text h3{font-size:1.1rem;font-weight:800;margin-bottom:.35rem}
.main-banner-text p{font-size:.875rem;color:var(--text-muted);font-weight:300}
.main-banner-btn{flex-shrink:0;padding:.65rem 1.5rem;border:2px solid var(--primary);color:var(--primary);font-weight:700;font-size:.875rem;border-radius:9999px;transition:var(--transition);white-space:nowrap}
.main-banner-btn:hover{background:var(--primary);color:#fff}

/* === FAQ Section === */
.faq-section{background:var(--bg-1)}
.faq-list{display:flex;flex-direction:column;gap:.75rem}
.faq-item{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;background:#fff}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:1.1rem 1.25rem;cursor:pointer;font-weight:700;font-size:.95rem;gap:1rem;user-select:none}
.faq-icon{flex-shrink:0;width:1.5rem;height:1.5rem;border-radius:50%;border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.faq-item.active .faq-icon{background:var(--primary)}
.faq-icon svg{width:.75rem;height:.75rem;stroke:var(--primary);transition:transform .3s}
.faq-item.active .faq-icon svg{stroke:#fff;transform:rotate(45deg)}
.faq-a{display:none;padding:0 1.25rem 1.1rem;font-size:.875rem;color:var(--text-muted);font-weight:300;line-height:1.7}
.faq-item.active .faq-a{display:block}

/* === CTA Section === */
.cta-section{background:linear-gradient(135deg,#0f2a2a 0%,var(--primary) 100%);padding:5rem 0}
.cta-inner{text-align:center}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;color:#fff;margin-bottom:.75rem}
.cta-inner p{color:rgba(255,255,255,.78);font-weight:300;margin-bottom:2rem;font-size:1rem}
.trust-badges{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap;margin-bottom:2rem}
.trust-badge{display:flex;align-items:center;gap:.5rem;color:rgba(255,255,255,.85);font-size:.875rem;font-weight:500}
.trust-badge svg{width:1.1rem;height:1.1rem;flex-shrink:0;stroke:var(--accent)}
.cta-btn{display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:var(--primary);font-size:1rem;font-weight:800;padding:1rem 2.5rem;border-radius:9999px;transition:all var(--transition);box-shadow:0 4px 20px rgba(0,0,0,.25)}
.cta-btn:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}

/* === Footer === */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.7);padding:4rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2.5rem;margin-bottom:3rem}
.footer-brand{font-size:1rem;font-weight:800;color:#fff;margin-bottom:.75rem}
.footer-brand-sub{font-size:.82rem;line-height:1.7;font-weight:300}
.footer-col h4{font-size:.82rem;font-weight:700;color:#fff;letter-spacing:.05em;margin-bottom.75rem;margin-bottom:.75rem}
.footer-col ul{display:flex;flex-direction:column;gap:.5rem}
.footer-col ul li a{font-size:.82rem;font-weight:300;transition:color var(--transition)}
.footer-col ul li a:hover{color:#fff}
.footer-consult-btn{display:inline-block;margin-top:.75rem;padding:.55rem 1.25rem;border:1px solid rgba(255,255,255,.3);color:rgba(255,255,255,.85);font-size:.82rem;font-weight:600;border-radius:9999px;transition:var(--transition)}
.footer-consult-btn:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.75rem}
.footer-biz{font-size:.75rem;font-weight:300;line-height:1.8}
.footer-copy{font-size:.75rem}

/* === Floating Button === */
.floating-btn{position:fixed;bottom:1.75rem;right:1.75rem;z-index:900;display:flex;flex-direction:column;align-items:center;gap:.35rem}
.float-item{background:var(--primary);color:#fff;width:3.2rem;height:3.2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:all var(--transition);font-size:.65rem;font-weight:700;text-align:center;line-height:1.2}
.float-item:hover{background:var(--primary-light);transform:scale(1.08)}
.float-main{background:var(--accent);width:3.5rem;height:3.5rem;font-size:.7rem}
.float-main:hover{background:#b87820}

/* === Consultation Page === */
.consult-hero{background:var(--primary);padding:6rem 0 4rem;margin-top:64px}
.consult-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;color:#fff;margin-bottom:.75rem}
.consult-hero p{color:rgba(255,255,255,.8);font-weight:300;font-size:1rem}
.consult-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin:3rem 0}
.method-card{border:1px solid var(--border);border-radius:var(--card-radius);padding:2rem;text-align:center;background:#fff;box-shadow:var(--shadow-sm)}
.method-icon{margin:0 auto 1rem;width:3.5rem;height:3.5rem;background:var(--primary-ultra);border-radius:50%;display:flex;align-items:center;justify-content:center}
.method-icon svg{width:1.75rem;height:1.75rem;stroke:var(--primary)}
.method-title{font-size:1.05rem;font-weight:800;margin-bottom:.5rem}
.method-desc{font-size:.875rem;color:var(--text-muted);font-weight:300;line-height:1.7;margin-bottom:1rem}
.method-action{display:inline-flex;align-items:center;gap:.4rem;background:var(--primary);color:#fff;font-size:.875rem;font-weight:700;padding:.65rem 1.5rem;border-radius:9999px;transition:var(--transition)}
.method-action:hover{background:var(--primary-light)}
.consult-info{background:var(--bg-2);border-radius:var(--card-radius);border:1px solid var(--border);padding:2rem;margin:2rem 0}
.info-row{display:flex;align-items:center;gap:1rem;padding:.75rem 0;border-bottom:1px solid var(--border)}
.info-row:last-child{border-bottom:none}
.info-label{font-size:.82rem;font-weight:700;color:var(--primary);width:6rem;flex-shrink:0}
.info-value{font-size:.875rem;color:var(--text)}

/* === Sitemap Page === */
.sitemap-hero{background:var(--bg-2);padding:5rem 0 3rem;margin-top:64px;text-align:center}
.sitemap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.sitemap-card{border:1px solid var(--border);border-radius:var(--card-radius);padding:1.5rem;background:#fff;transition:var(--transition)}
.sitemap-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.sitemap-card-title{font-size:.95rem;font-weight:700;margin-bottom:.4rem;color:var(--text)}
.sitemap-card-desc{font-size:.78rem;color:var(--text-muted);font-weight:300;line-height:1.6}

/* === 404 === */
.not-found{text-align:center;padding:8rem 1.5rem;margin-top:64px}
.not-found .code{font-size:6rem;font-weight:800;color:var(--primary);opacity:.2;line-height:1}
.not-found h1{font-size:1.8rem;font-weight:800;margin:.5rem 0}
.not-found p{color:var(--text-muted);font-weight:300;margin-bottom:2rem}
.back-btn{display:inline-flex;align-items:center;gap:.4rem;background:var(--primary);color:#fff;padding:.75rem 1.75rem;border-radius:9999px;font-weight:700;font-size:.9rem;transition:var(--transition)}
.back-btn:hover{background:var(--primary-light)}

/* === Media Queries === */
@media(max-width:1024px){
  .service-grid{grid-template-columns:repeat(3,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sitemap-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  :root{--section-py:3.5rem}
  .nav-menu{display:none}
  .hamburger{display:flex}
  .mobile-nav{display:flex}
  .step-grid{flex-direction:column;gap:1rem}
  .related-grid{grid-template-columns:1fr}
  .consult-methods{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .main-banner{flex-direction:column;text-align:center}
  .sitemap-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .portfolio-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .trust-badges{flex-direction:column;align-items:center}
  .sitemap-grid{grid-template-columns:1fr}
}