/* Primary: 슬레이트 블루 #6b7fa3 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--primary:#6b7fa3;--primary-light:#8094b8;--bg:#f8f9fa;--bg-card:#fff;--text:#1a1a2e;--text-muted:#6b7280;--border:#e5e7eb;--card-radius:1rem;--section-pad:5rem 1.5rem}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans KR',sans-serif;font-weight:400;color:var(--text);background:var(--bg);word-break:keep-all;overflow-wrap:break-word;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
/* Header */
#site-header{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.08);transition:box-shadow .3s}
#site-header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.1)}
.header-inner{max-width:1280px;margin:0 auto;padding:0 1.5rem;height:68px;display:flex;align-items:center;gap:2rem}
.logo{display:flex;flex-direction:column;line-height:1.2;text-decoration:none;color:var(--text)}
.logo-brand{font-size:.75rem;font-weight:800;color:var(--primary);letter-spacing:.05em}
.logo-keyword{font-size:1rem;font-weight:800;color:var(--text)}
nav{flex:1;display:flex;justify-content:center;gap:2rem}
nav a{font-size:.875rem;font-weight:400;color:var(--text-muted);transition:color .2s;white-space:nowrap}
nav a:hover{color:var(--primary)}
.header-cta{padding:.5rem 1.25rem;background:var(--primary);color:#fff;border-radius:9999px;font-size:.875rem;font-weight:800;white-space:nowrap;transition:background .2s}
.header-cta:hover{background:var(--primary-light)}
/* Hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:.5rem;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);transition:all .3s}
.mobile-nav{display:none;position:fixed;top:68px;left:0;right:0;background:#fff;padding:1rem 1.5rem;border-bottom:1px solid var(--border);flex-direction:column;gap:.75rem;z-index:998}
.mobile-nav a{font-size:.9375rem;font-weight:400;color:var(--text);padding:.5rem 0;border-bottom:1px solid var(--border)}
.mobile-nav.open{display:flex}
/* Hero */
.hero{position:relative;height:70svh;min-height:420px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.hero-img-fallback{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-content{position:relative;z-index:1;text-align:center;color:#fff;max-width:800px;padding:0 1.5rem}
.hero-label{font-size:.75rem;font-weight:300;letter-spacing:.25em;text-transform:uppercase;opacity:.8;margin-bottom:1rem}
.hero h1{font-size:clamp(2.5rem,7vw,4.5rem);font-weight:800;line-height:1.15;text-shadow:0 2px 20px rgba(0,0,0,.5);margin-bottom:1rem}
.hero-sub{font-size:clamp(1rem,2.5vw,1.25rem);font-weight:300;opacity:.9;text-shadow:0 1px 10px rgba(0,0,0,.4);margin-bottom:2rem}
.hero-steps{display:flex;justify-content:center;gap:2rem;margin-bottom:2.5rem;flex-wrap:wrap}
.hero-step{display:flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:300;opacity:.85}
.hero-step-num{width:28px;height:28px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.4);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;flex-shrink:0}
.btn-primary{display:inline-block;padding:.875rem 2rem;background:var(--primary);color:#fff;border-radius:9999px;font-weight:800;font-size:1rem;transition:all .3s;border:2px solid transparent}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(30,58,95,.3)}
.btn-outline{display:inline-block;padding:.875rem 2rem;border:2px solid var(--primary);color:var(--primary);border-radius:9999px;font-weight:800;font-size:1rem;transition:all .3s}
.btn-outline:hover{background:var(--primary);color:#fff}
/* Section common */
section{padding:var(--section-pad)}
.section-inner{max-width:1200px;margin:0 auto}
.section-label{font-size:.6875rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--primary);margin-bottom:.75rem}
.section-title{font-size:clamp(1.5rem,4vw,2.25rem);font-weight:800;color:var(--text);margin-bottom:.75rem}
.section-sub{color:var(--text-muted);font-weight:300;margin-bottom:2.5rem}
/* Services */
#services{background:#fff}
.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;transition:all .3s;cursor:pointer;display:block;text-decoration:none;color:var(--text)}
.service-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.12);border-color:var(--primary)}
.service-thumb{aspect-ratio:3/4.2;overflow:hidden}
.service-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.service-card:hover .service-thumb img{transform:scale(1.04)}
.service-body{padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}
.service-en{font-size:.6rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;color:var(--primary)}
.service-name{font-size:.9375rem;font-weight:800;line-height:1.4}
.service-desc{font-size:.8125rem;font-weight:300;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.service-more{font-size:.8125rem;font-weight:600;color:var(--text-muted);margin-top:.25rem;transition:color .3s}
.service-card:hover .service-more{color:var(--primary)}
/* Portfolio */
#portfolio{background:var(--bg)}
.portfolio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}
.portfolio-card{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden;transition:all .3s;cursor:pointer;display:block;text-decoration:none;color:var(--text)}
.portfolio-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.14);border-color:var(--primary)}
.card-images{display:grid;grid-template-columns:1fr 1fr;position:relative}
.card-img-wrap{aspect-ratio:4/4.5;overflow:hidden;position:relative}
.card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.portfolio-card:hover .card-img-wrap img{transform:scale(1.05)}
.card-badge{position:absolute;bottom:.5rem;left:.5rem;font-size:.6rem;font-weight:800;letter-spacing:.08em;padding:.2rem .6rem;border-radius:.25rem;z-index:1}
.badge-before{background:rgba(0,0,0,.6);color:#fff}
.badge-after{background:var(--primary);color:#fff}
.card-body{padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}
.card-meta{display:flex;align-items:center;gap:.5rem;font-size:.75rem;color:var(--text-muted);font-weight:300}
.card-meta svg{width:14px;height:14px;flex-shrink:0}
.card-title{font-size:1rem;font-weight:800;line-height:1.4}
.card-sub{font-size:.875rem;font-weight:300;color:var(--text-muted)}
.card-more{font-size:.875rem;font-weight:600;color:var(--text-muted);margin-top:.25rem;transition:color .3s}
.portfolio-card:hover .card-more{color:var(--primary)}
.portfolio-hidden{display:none}
.portfolio-hidden.show{display:block}
.btn-more-wrap{text-align:center;margin-top:2rem}
.btn-more{display:inline-block;padding:.75rem 2rem;border:2px solid var(--primary);color:var(--primary);border-radius:9999px;font-weight:800;font-size:.9375rem;cursor:pointer;background:none;transition:all .3s}
.btn-more:hover{background:var(--primary);color:#fff}
/* Process */
#process{background:#fff}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;margin-bottom:3rem}
.process-step{text-align:center;padding:2rem 1.5rem;border:1px solid var(--border);border-radius:var(--card-radius)}
.step-num{width:48px;height:48px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:800;letter-spacing:.05em;margin:0 auto 1.25rem}
.step-title{font-size:1rem;font-weight:800;margin-bottom:.75rem}
.step-desc{font-size:.875rem;font-weight:300;color:var(--text-muted);line-height:1.7}
.trust-badges{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}
.trust-badge{display:flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;border:1px solid var(--border);border-radius:9999px;font-size:.8125rem;font-weight:400}
.trust-badge svg{width:18px;height:18px;color:var(--primary);flex-shrink:0}
/* CTA Banner */
.cta-banner{padding:6rem 1.5rem;background:var(--primary);position:relative;overflow:hidden;text-align:center}
.cta-banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.2}
.cta-banner-inner{position:relative;z-index:1;max-width:700px;margin:0 auto;color:#fff}
.cta-banner h2{font-size:clamp(1.5rem,4vw,2.25rem);font-weight:800;margin-bottom:1rem}
.cta-banner p{font-size:1rem;font-weight:300;opacity:.9;margin-bottom:2rem}
/* Footer */
footer{background:var(--text);color:rgba(255,255,255,.8);padding:4rem 1.5rem 2rem}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:3rem;margin-bottom:3rem}
.footer-brand{font-size:1.125rem;font-weight:800;color:#fff;margin-bottom:.75rem}
.footer-desc{font-size:.8125rem;font-weight:300;line-height:1.7;margin-bottom:.75rem}
.footer-hours{font-size:.8125rem;color:rgba(255,255,255,.6)}
.footer-col-title{font-size:.75rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.5);margin-bottom:1rem}
.footer-links{display:flex;flex-direction:column;gap:.5rem}
.footer-links a{font-size:.8125rem;font-weight:300;color:rgba(255,255,255,.7);transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-phone{font-size:1.125rem;font-weight:800;color:#fff;margin-bottom:.5rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;text-align:center;font-size:.75rem;color:rgba(255,255,255,.4)}
/* Floating */
.floating-wrap{position:fixed;bottom:2rem;right:1.5rem;z-index:990;display:flex;flex-direction:column;align-items:flex-end;gap:.75rem}
.floating-toggle{width:52px;height:52px;background:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(30,58,95,.4);border:none;color:#fff;transition:all .3s}
.floating-toggle:hover{background:var(--primary-light)}
.floating-menu{display:flex;flex-direction:column;gap:.5rem;align-items:flex-end;opacity:0;pointer-events:none;transform:translateY(10px);transition:all .3s}
.floating-menu.open{opacity:1;pointer-events:all;transform:translateY(0)}
.floating-btn{display:flex;align-items:center;gap:.5rem;padding:.625rem 1.125rem;background:var(--primary);color:#fff;border-radius:9999px;font-size:.875rem;font-weight:800;box-shadow:0 2px 12px rgba(30,58,95,.3);transition:all .3s;white-space:nowrap}
.floating-btn:hover{background:var(--primary-light);transform:translateX(-4px)}
.floating-btn svg{width:18px;height:18px;flex-shrink:0}
/* Fade in up */
.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)}
/* Contact */
.contact-hero{height:35vh;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;margin-top:68px}
.contact-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.contact-hero-overlay{position:absolute;inset:0;background:rgba(0,0,0,.50)}
.contact-hero-content{position:relative;z-index:1;text-align:center;color:#fff;padding:0 1.5rem}
.contact-hero-content h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;text-shadow:0 2px 20px rgba(0,0,0,.5);margin-bottom:.75rem}
.contact-hero-content p{font-size:1.125rem;font-weight:300;opacity:.9}
.contact-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;max-width:900px;margin:0 auto}
.contact-step{text-align:center;padding:2.5rem 2rem;background:#fff;border:1px solid var(--border);border-radius:var(--card-radius)}
.contact-step-num{width:52px;height:52px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:800;letter-spacing:.05em;margin:0 auto 1.5rem}
.contact-step h3{font-size:1.125rem;font-weight:800;margin-bottom:.75rem}
.contact-step p{font-size:.875rem;font-weight:300;color:var(--text-muted);line-height:1.7}
.contact-phone-display{font-size:1.5rem;font-weight:800;color:var(--primary);display:block;margin:.75rem 0}
.send-items{margin:.5rem 0 0;padding:.75rem 1rem;background:var(--bg);border-radius:.5rem;list-style:none}
.send-items li{font-size:.8125rem;color:var(--text-muted);padding:.25rem 0}
.send-items li::before{content:"·";margin-right:.5rem}
.contact-note{max-width:640px;margin:0 auto;padding:2rem;background:#fff;border-left:4px solid var(--primary);border-radius:var(--card-radius)}
.contact-note h3{font-size:1rem;font-weight:800;margin-bottom:1rem}
.contact-note ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.contact-note ul li{font-size:.875rem;font-weight:300;color:var(--text-muted);padding-left:1.25rem;position:relative}
.contact-note ul li::before{content:"·";position:absolute;left:0;color:var(--primary);font-weight:800}
.contact-btns{display:flex;justify-content:center;gap:1rem;flex-wrap:wrap;margin-top:1.75rem}
.btn-sms{display:none}
.contact-hours{text-align:center;font-size:.875rem;color:var(--text-muted);margin-top:1rem;font-weight:300}
/* Service intro section */
.svc-intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.svc-intro-desc{color:var(--text-muted);line-height:1.8;margin-top:1rem;font-size:1.0625rem}
.svc-points{display:flex;flex-direction:column;gap:.875rem}
.svc-point{display:flex;align-items:flex-start;gap:.875rem;padding:1rem 1.25rem;background:var(--bg);border-radius:.5rem}
.svc-point-num{width:28px;height:28px;min-width:28px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;margin-top:.1rem}
.svc-point-text{font-size:.9375rem;font-weight:500;color:var(--text);line-height:1.5}
/* NSEO hero */
.nseo-hero{height:35vh;min-height:280px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;margin-top:68px}
.nseo-hero-content{position:relative;z-index:1;text-align:center;color:#fff;padding:0 1.5rem;max-width:700px}
.nseo-hero-content h1{font-size:clamp(2rem,5vw,3rem);font-weight:800;text-shadow:0 2px 20px rgba(0,0,0,.5);margin-bottom:.75rem}
.nseo-hero-content p{font-size:1.125rem;font-weight:300;opacity:.9;text-shadow:0 1px 8px rgba(0,0,0,.3)}
.nseo-hero-content .btn-primary{margin-top:1.5rem}
/* FAQ */
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:.75rem}
.faq-item{border:1px solid var(--border);border-radius:var(--card-radius);overflow:hidden}
.faq-q{width:100%;text-align:left;padding:1.25rem 1.5rem;background:#fff;border:none;cursor:pointer;font-size:.9375rem;font-weight:800;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:1rem;line-height:1.5}
.faq-q::after{content:"+";font-size:1.25rem;font-weight:300;color:var(--primary);flex-shrink:0;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.open .faq-a{max-height:300px}
.faq-a-inner{padding:0 1.5rem 1.25rem;font-size:.875rem;font-weight:300;color:var(--text-muted);line-height:1.8}
/* Detail hero */
.detail-hero{height:39vh;min-height:315px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;margin-top:68px}
.detail-hero-content{position:relative;z-index:1;text-align:center;color:#fff;padding:0 1.5rem}
.detail-hero-content h1{font-size:clamp(1.75rem,4vw,2.75rem);font-weight:800;text-shadow:0 2px 20px rgba(0,0,0,.5);margin-bottom:1rem}
.back-link{display:inline-flex;align-items:center;gap:.35rem;color:rgba(255,255,255,.8);font-size:.875rem;font-weight:300;transition:color .2s}
.back-link:hover{color:#fff}
.info-bar{background:#fff;border-bottom:1px solid var(--border)}
.info-bar-inner{max-width:1000px;margin:0 auto;padding:2rem 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.info-item{text-align:center}
.info-label{font-size:.6875rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.35rem}
.info-value{font-size:.9375rem;font-weight:800;color:var(--text)}
.detail-section{max-width:900px;margin:0 auto;padding:4rem 1.5rem}
.detail-h2{font-size:1.5rem;font-weight:800;margin-bottom:1.5rem;display:flex;align-items:center;gap:.75rem}
.detail-h2::before{content:"";display:block;width:4px;height:1.5em;background:var(--primary);border-radius:2px}
.detail-gallery{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:2rem}
.detail-gallery img{border-radius:.75rem;width:100%;height:375px;object-fit:cover}
.detail-text{font-size:.9375rem;font-weight:300;line-height:1.9;color:var(--text-muted);margin-bottom:2rem}
.process-detail-list{display:flex;flex-direction:column;gap:2rem}
.process-detail-item{display:grid;grid-template-columns:auto 1fr;gap:1.5rem;align-items:start}
.pdi-badge{width:44px;height:44px;background:var(--primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:800;flex-shrink:0}
.pdi-title{font-size:1rem;font-weight:800;margin-bottom:.5rem}
.pdi-desc{font-size:.875rem;font-weight:300;color:var(--text-muted);line-height:1.8}
.pdi-img{margin-top:1rem;border-radius:.75rem;width:100%;max-height:390px;object-fit:cover}
.summary-box{background:#fff;border-left:4px solid var(--primary);border-radius:var(--card-radius);padding:2rem;margin-bottom:3rem}
.summary-box h3{font-size:1rem;font-weight:800;margin-bottom:1rem}
.summary-box ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.summary-box ul li{font-size:.875rem;font-weight:300;color:var(--text-muted);padding-left:1.25rem;position:relative}
.summary-box ul li::before{content:"·";position:absolute;left:0;color:var(--primary);font-weight:800;font-size:1.2em}
.related-section{background:#fff;padding:3rem 1.5rem}
.related-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.related-card{display:block;padding:1.5rem;border:1px solid var(--border);border-radius:var(--card-radius);transition:all .3s;text-decoration:none;color:var(--text)}
.related-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.related-card-label{font-size:.6875rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:.5rem}
.related-card-title{font-size:.9375rem;font-weight:800}
.related-card-arrow{font-size:.875rem;color:var(--text-muted);margin-top:.5rem}
/* Sitemap */
.sitemap-hero{height:35vh;min-height:300px;display:flex;align-items:center;justify-content:center;background:var(--primary);margin-top:68px;text-align:center;color:#fff}
.sitemap-hero h1{font-size:2rem;font-weight:800;margin-bottom:.5rem}
.sitemap-grid{max-width:1200px;margin:0 auto;padding:3rem 1.5rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.sitemap-card{display:block;padding:1.25rem;border:1px solid var(--border);border-radius:var(--card-radius);background:#fff;transition:all .3s;text-decoration:none;color:var(--text)}
.sitemap-card:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(0,0,0,.08)}
.sitemap-cat{font-size:.6rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--primary);margin-bottom:.35rem}
.sitemap-title{font-size:.875rem;font-weight:800}
/* Mobile only */
@media(max-width:767px){.btn-sms{display:inline-block}}
/* Responsive */
@media(max-width:1024px){
  .service-grid{grid-template-columns:repeat(3,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .sitemap-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:768px){
  nav,.header-cta{display:none}
  .hamburger{display:flex}
  .hero h1{font-size:2.25rem}
  .hero-steps{gap:1rem}
  .portfolio-grid{grid-template-columns:1fr}
  .contact-steps{grid-template-columns:1fr}
  .info-bar-inner{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr}
  .trust-badges{gap:.75rem}
  .related-grid{grid-template-columns:1fr}
  .detail-gallery{grid-template-columns:1fr}
  .svc-intro-grid{grid-template-columns:1fr;gap:2rem}
}
@media(max-width:640px){
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:1fr}
  .sitemap-grid{grid-template-columns:repeat(2,1fr)}
}