*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#F4F5F7;--bg2:#EBEDF1;--white:#fff;--card:#F9FAFB;
  --navy:#1A2744;--navy-l:#2B4170;--navy-d:#111D38;--navy-bg:rgba(26,39,68,.04);
  --gold:#C19A5B;--gold-l:#D4B17A;--gold-bg:rgba(193,154,91,.08);
  --text:#1A2744;--dim:#5A6578;--muted:#8E95A2;
  --text-w:rgba(255,255,255,.92);--dim-w:rgba(255,255,255,.6);--muted-w:rgba(255,255,255,.35);
  --border:rgba(26,39,68,.08);--border-h:rgba(26,39,68,.2);
  --sh:0 2px 20px rgba(30,45,74,.06);--sh-m:0 8px 28px rgba(30,45,74,.1);
  --r:14px;--r-s:10px;
  --e:.3s cubic-bezier(.4,0,.2,1);
  --mw:1040px;
  --font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}

/* === Nav === */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(26,39,68,.97);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{max-width:var(--mw);margin:0 auto;padding:0 32px;height:56px;display:flex;align-items:center;justify-content:space-between}
.nav-brand{font-size:17px;font-weight:700;color:var(--white);letter-spacing:-.2px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:13px;font-weight:500;color:var(--dim-w);transition:color var(--e)}.nav-links a:hover{color:var(--white)}
.nav-cta{padding:8px 20px;background:var(--gold);color:var(--navy)!important;border-radius:100px;font-weight:700;font-size:12px;transition:all var(--e)}
.nav-cta:hover{background:var(--gold-l);box-shadow:0 4px 12px rgba(193,154,91,.25)}
.nav-toggle{display:none;background:none;border:none;font-size:20px;cursor:pointer;color:var(--white)}

/* === Hero === */
.hero{background:linear-gradient(135deg,var(--navy-d) 0%,var(--navy) 40%,var(--navy-l) 100%);padding-top:56px;min-height:588px;display:flex;align-items:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:20%;right:10%;width:500px;height:500px;background:radial-gradient(circle,rgba(193,154,91,.06) 0%,transparent 60%);pointer-events:none}
.hero-inner{max-width:1140px;margin:0 auto;padding:0 40px;display:flex;align-items:flex-end;gap:48px}
.hero-text{flex:1;padding-bottom:56px}
.hero-text .eyebrow{font-size:13px;font-weight:600;color:var(--gold);letter-spacing:1.5px;text-transform:uppercase;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.hero-text .eyebrow::before{content:'';width:24px;height:2px;background:var(--gold);display:inline-block}
.hero-text h1{font-size:44px;font-weight:800;line-height:1.2;color:var(--white);margin-bottom:18px;letter-spacing:-.5px}
.hero-text h1 em{font-style:normal;color:var(--gold);font-weight:800}
.hero-text .desc{font-size:16.5px;color:var(--dim-w);line-height:1.75;margin-bottom:28px;max-width:640px}
.nowrap{white-space:nowrap}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;max-width:520px}
.hero-trust span{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border:1px solid rgba(255,255,255,.13);border-radius:999px;background:rgba(255,255,255,.05);color:rgba(255,255,255,.78);font-size:12px;font-weight:600}
.hero-trust span::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--gold)}
.btn{display:inline-flex;align-items:center;padding:13px 26px;border-radius:100px;font-size:13px;font-weight:600;border:1.5px solid transparent;cursor:pointer;transition:all var(--e)}
.btn-gold{background:var(--gold);color:var(--navy);border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-l);box-shadow:0 6px 20px rgba(193,154,91,.25);transform:translateY(-2px)}
.btn-wh{background:transparent;color:var(--dim-w);border-color:rgba(255,255,255,.15)}
.btn-wh:hover{border-color:rgba(255,255,255,.35);color:var(--white)}
.btn-primary{background:var(--navy);color:var(--white);border-color:var(--navy)}
.btn-primary:hover{background:var(--navy-l);transform:translateY(-2px)}
.btn-outline{background:none;color:var(--dim);border-color:var(--border)}.btn-outline:hover{border-color:var(--navy);color:var(--navy)}
.btn-w{background:var(--white);color:var(--navy);border-color:var(--white);font-weight:700}
.btn-w:hover{box-shadow:var(--sh-m);transform:translateY(-2px)}

.hero-photo{flex-shrink:0;position:relative;line-height:0}
.hero-photo img{width:auto;height:488px;vertical-align:bottom;display:block;mask-image:radial-gradient(ellipse 80% 75% at 50% 50%,#000 55%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 80% 75% at 50% 50%,#000 55%,transparent 100%)}

/* === Common === */
.sec{max-width:var(--mw);margin:0 auto;padding:64px 32px}
.label{font-size:10.5px;font-weight:700;color:var(--gold);text-transform:uppercase;letter-spacing:2.5px;margin-bottom:10px}
.heading{font-size:30px;font-weight:800;color:var(--navy);line-height:1.25;margin-bottom:14px;letter-spacing:-.3px}
.tl{font-size:12.5px;font-weight:600;color:var(--gold);transition:color var(--e)}.tl:hover{color:var(--navy)}


/* === AI Services === */
.ai-sec{background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%);padding:70px 0;position:relative}
.ai-sec::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(193,154,91,.3),transparent)}
.ai-sec .inner{max-width:var(--mw);margin:0 auto;padding:0 32px}
.ai-head{max-width:720px;margin-bottom:28px}
.ai-head p:not(.label){font-size:15px;color:var(--dim);line-height:1.8}
.ai-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}
.ai-card{background:var(--white);border:1px solid rgba(193,154,91,.22);border-radius:var(--r);padding:26px 24px;min-height:250px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--sh);position:relative;overflow:hidden;transition:all var(--e)}
.ai-card::after{content:'';position:absolute;left:0;right:0;bottom:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--navy));transform:scaleX(0);transform-origin:left;transition:transform var(--e)}
.ai-card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:var(--gold)}
.ai-card:hover::after{transform:scaleX(1)}
.ai-card.ai-primary{background:linear-gradient(135deg,var(--navy-d),var(--navy-l));color:var(--white);border-color:rgba(193,154,91,.35)}
.ai-badge{width:max-content;padding:5px 10px;border-radius:999px;background:var(--gold-bg);color:var(--gold);font-size:11px;font-weight:800;letter-spacing:-.1px}
.ai-primary .ai-badge{background:rgba(193,154,91,.16);color:var(--gold-l)}
.ai-card strong{font-size:24px;font-weight:850;color:var(--navy);letter-spacing:-.4px}
.ai-primary strong{color:var(--white)}
.ai-card em{font-style:normal;font-size:13.5px;font-weight:700;color:var(--gold)}
.ai-card p{font-size:13px;color:var(--dim);line-height:1.75;margin-top:2px;flex:1}
.ai-primary p{color:rgba(255,255,255,.72)}
.ai-link{font-size:12.5px;font-weight:800;color:var(--navy)}
.ai-primary .ai-link{color:var(--gold-l)}

/* === Services === */
.svc-sec{background:var(--bg2);padding:64px 0;position:relative}
.svc-sec::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(30,45,74,.1),transparent)}
.svc-sec .inner{max-width:var(--mw);margin:0 auto;padding:0 32px}
.svc-sec .heading{margin-bottom:28px}
.sg{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.sc{background:var(--card);border:1px solid var(--border);border-radius:var(--r-s);padding:20px 18px;transition:all var(--e);display:flex;flex-direction:column;gap:6px;position:relative;overflow:hidden}
.sc::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--navy),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform var(--e)}
.sc:hover{box-shadow:var(--sh);background:var(--navy-bg)}
.sc:hover::after{transform:scaleX(1)}
.sc .em{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(30,45,74,.06);border-radius:8px;flex-shrink:0;transition:all var(--e)}
.sc .em svg{width:18px;height:18px;stroke:var(--navy);stroke-width:1.8}
.sc:hover .em{background:var(--gold-bg);transform:scale(1.06)}
.sc:hover .em svg{stroke:var(--gold)}
.sc strong{font-size:13.5px;font-weight:700;color:var(--navy)}
.sc .d{font-size:11px;color:var(--muted);line-height:1.5}

/* === About === */
.about-sec{position:relative;overflow:hidden}
.about-sec::before{content:'';position:absolute;top:0;left:-100px;width:300px;height:300px;background:radial-gradient(circle,rgba(30,45,74,.03) 0%,transparent 70%);pointer-events:none}
.about{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about-l p{font-size:14px;color:var(--dim);line-height:1.8;margin-bottom:14px}
.about-l .tl{display:inline-block;margin-top:6px}
.ac{display:flex;flex-direction:column;gap:12px}
.acd{background:var(--card);border:1px solid var(--border);border-radius:var(--r-s);padding:20px 22px;transition:all var(--e);position:relative;overflow:hidden}
.acd::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--navy),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform var(--e)}
.acd:hover{box-shadow:var(--sh);background:var(--navy-bg)}
.acd:hover::after{transform:scaleX(1)}
.acd strong{display:block;font-size:14px;font-weight:700;color:var(--navy);margin-bottom:6px}
.acd p{font-size:12.5px;color:var(--dim);line-height:1.7}

/* === FAQ === */
.faq-sec{background:var(--bg2);padding:64px 0;position:relative}
.faq-sec::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(30,45,74,.1),transparent)}
.faq-sec .inner{max-width:var(--mw);margin:0 auto;padding:0 32px}
.fl{max-width:680px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.fi{background:var(--card);border:1px solid var(--border);border-radius:var(--r-s);overflow:hidden;transition:all var(--e);position:relative}
.fi::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--navy),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform var(--e)}
.fi:hover{background:var(--navy-bg)}
.fi:hover::after{transform:scaleX(1)}
.fi[open]{border-color:var(--navy);box-shadow:0 4px 16px rgba(26,39,68,.06)}
.fi[open]::after{transform:scaleX(1)}
.fq{padding:18px 22px;font-size:14px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px}
.fq::-webkit-details-marker{display:none}
.fq::after{content:'+';flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;background:rgba(30,45,74,.06);border-radius:7px;font-size:14px;color:var(--navy);transition:all var(--e)}
.fi[open] .fq::after{content:'\2212';background:var(--navy);color:var(--white)}
.fa{padding:0 22px 18px}
.fa p{font-size:13px;line-height:1.85;color:var(--dim)}

/* === Blog Banner === */
.blog-sec{background:var(--bg);padding:64px 0;position:relative}
.blog-sec::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(30,45,74,.1),transparent)}
.blog-sec .inner{max-width:var(--mw);margin:0 auto;padding:0 32px}
.blog-desc{font-size:13.5px;color:var(--dim);line-height:1.8;margin-bottom:24px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.blog-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-s);padding:22px 20px;display:flex;flex-direction:column;gap:8px;transition:all var(--e);position:relative;overflow:hidden;text-decoration:none}
.blog-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--navy),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform var(--e)}
.blog-card:hover{box-shadow:var(--sh);background:var(--navy-bg)}
.blog-card:hover::after{transform:scaleX(1)}
.blog-date{font-size:11px;color:var(--muted);font-weight:500}
.blog-title{font-size:14px;font-weight:700;color:var(--navy);line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-excerpt{font-size:12px;color:var(--dim);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-skeleton{pointer-events:none}
.blog-sk-line{height:12px;background:var(--border);border-radius:6px;animation:sk-pulse 1.2s ease-in-out infinite}
@keyframes sk-pulse{0%,100%{opacity:.4}50%{opacity:.8}}
.blog-banner-box{background:var(--card);border:1px solid var(--border);border-radius:var(--r);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;transition:all var(--e)}
.blog-banner-box::after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--navy),var(--gold));transform:scaleX(0);transform-origin:left;transition:transform var(--e)}
.blog-banner-box:hover{box-shadow:var(--sh-m)}
.blog-banner-box:hover::after{transform:scaleX(1)}
.blog-banner-text .heading{margin-bottom:8px;font-size:24px}
.blog-banner-text p{font-size:13.5px;color:var(--dim);line-height:1.8}
.blog-banner-box .btn-primary{flex-shrink:0;white-space:nowrap}
@media(max-width:768px){
  .blog-sec{padding:44px 0}.blog-sec .inner{padding:0 20px}
  .blog-grid{grid-template-columns:1fr}
  .blog-banner-box{flex-direction:column;text-align:center;padding:32px 24px;gap:20px}
  .blog-banner-text .heading{font-size:20px}
}

/* === CTA === */
.cta{background:var(--bg2);padding:64px 0;position:relative}
.cta::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(30,45,74,.1),transparent)}
.cta .cta-inner{max-width:var(--mw);margin:0 auto;padding:0 32px}
#cs-categories button small{font-size:10.5px;color:var(--gold);font-weight:700;letter-spacing:-.1px}
.cs-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(30,45,74,.06);border-radius:9px;color:var(--navy)}
.cs-icon svg{width:18px;height:18px;stroke:var(--navy);stroke-width:1.8}
#cs-categories button:hover .cs-icon{background:var(--gold-bg)}
#cs-categories button:hover .cs-icon svg{stroke:var(--gold)}
.cta-box{background:linear-gradient(135deg,var(--navy-d) 0%,var(--navy-l) 100%);border-radius:var(--r);padding:56px 44px;text-align:center;position:relative;overflow:hidden}
.cta-box::before{content:'';position:absolute;top:-50%;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(ellipse,rgba(193,154,91,.1) 0%,transparent 60%);pointer-events:none}
.cta-box .heading{color:var(--white);position:relative;font-size:28px}
.cta-box p{color:var(--dim-w);font-size:14px;margin-bottom:28px;position:relative}
.cta-box .btn-w{position:relative}

/* === Footer === */
.footer{background:var(--navy-d);color:var(--muted-w);padding:48px 32px 28px;border-top:1px solid rgba(255,255,255,.06)}
.footer-inner{max-width:var(--mw);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer h4{color:var(--text-w);font-size:13px;font-weight:700;margin-bottom:16px}
.footer p,.footer li{font-size:12px;line-height:1.9}
.footer ul{list-style:none}
.footer a{color:var(--muted-w);transition:color var(--e)}.footer a:hover{color:var(--gold-l)}
.footer-bottom{max-width:var(--mw);margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.06);font-size:10px;opacity:.4;text-align:center}

/* === Service detail === */
.service-hero{background:linear-gradient(135deg,var(--navy-d) 0%,var(--navy-l) 100%);color:var(--white);padding:108px 32px 52px;text-align:center;position:relative;overflow:hidden}
.service-hero::before{content:'';position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);width:500px;height:280px;background:radial-gradient(ellipse,rgba(193,154,91,.06) 0%,transparent 70%);pointer-events:none}
.service-hero h1{position:relative;font-size:32px;font-weight:800;margin-bottom:12px}
.service-hero p{position:relative;font-size:14px;color:var(--dim-w);max-width:460px;margin:0 auto;line-height:1.7}
.service-content{max-width:660px;margin:0 auto;padding:44px 32px}
.service-content h2{font-size:19px;font-weight:700;color:var(--navy);margin:36px 0 12px;padding-bottom:10px;border-bottom:2px solid rgba(30,45,74,.08)}
.service-content h2:first-child{margin-top:0}
.service-content p{font-size:13.5px;line-height:1.9;color:var(--dim);margin-bottom:12px}
.service-content ul,.service-content ol{margin:0 0 12px 18px;font-size:13.5px;line-height:1.9;color:var(--dim)}
.service-content li{margin-bottom:4px}
.info-box{background:var(--gold-bg);border-left:3px solid var(--gold);border-radius:0 var(--r-s) var(--r-s) 0;padding:16px 20px;margin:16px 0}
.info-box p{color:var(--navy)!important;font-weight:500;font-size:12.5px}
.step-list{list-style:none;margin:0 0 12px;counter-reset:step}
.step-list li{counter-increment:step;padding:14px 18px 14px 52px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-s);margin-bottom:7px;position:relative;font-size:12.5px;line-height:1.7;color:var(--dim);transition:all var(--e)}
.step-list li:hover{border-color:var(--navy);box-shadow:var(--sh)}
.step-list li::before{content:counter(step);position:absolute;left:14px;top:50%;transform:translateY(-50%);width:26px;height:26px;background:var(--navy);color:var(--gold-l);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800}
.breadcrumb{max-width:var(--mw);margin:0 auto;padding:68px 32px 0;font-size:11.5px;color:var(--muted)}
.breadcrumb a{color:var(--gold);font-weight:600}.breadcrumb a:hover{text-decoration:underline}

/* === Responsive === */
@media(max-width:768px){
  .nav-inner{padding:0 20px;height:50px}.nav-links{display:none}.nav-toggle{display:block}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:50px;left:0;right:0;background:rgba(26,39,68,.97);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06);padding:14px 20px;gap:12px}
  .hero{padding:70px 0 0;min-height:auto}.hero::before{display:none}
  .hero-inner{padding:0 20px;flex-direction:column;gap:20px;text-align:center;align-items:center}
  .hero-text{padding-bottom:0}
  .hero-text h1{font-size:30px}.hero-text .desc{margin-left:auto;margin-right:auto;font-size:14px}
  .hero-text .eyebrow{justify-content:center}
  .hero-actions{justify-content:center}
  .hero-trust{justify-content:center;margin-left:auto;margin-right:auto}
  .hero-photo{line-height:0}
  .hero-photo img{width:auto;height:280px;margin:0 auto}
  .sec{padding:44px 20px}.heading{font-size:24px}
  .svc-sec{padding:44px 0}.svc-sec .inner{padding:0 20px}
  .sg{grid-template-columns:repeat(2,1fr);gap:8px}.sc{padding:16px 14px}
  .ai-sec{padding:46px 0}.ai-sec .inner{padding:0 20px}.ai-grid{grid-template-columns:1fr}.ai-card{min-height:auto;padding:22px 20px}
  .about{grid-template-columns:1fr;gap:28px}
  .faq-sec{padding:44px 0}.faq-sec .inner{padding:0 20px}
  .fq{padding:14px 16px;font-size:13px}
  .cta{padding:44px 0}.cta .cta-inner{padding:0 20px}.cta-box{padding:36px 24px}
  #cs-categories{grid-template-columns:repeat(2,1fr)!important;gap:8px!important}
  .footer{padding:32px 20px 22px}.footer-inner{grid-template-columns:1fr;gap:20px}
  .service-hero{padding:78px 20px 36px}.service-hero h1{font-size:26px}
  .service-content{padding:28px 20px}.breadcrumb{padding:58px 20px 0}
}
@media(min-width:769px) and (max-width:1024px){
  .sg{grid-template-columns:repeat(3,1fr)}
  .hero{min-height:auto}.hero-inner{gap:32px}.hero-text h1{font-size:36px}.hero-photo img{height:380px;width:auto}
}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}