:root{
  --ink:#141d2b;
  --navy:#133052;
  --navy-deep:#0a1d33;
  --paper:#f4f6f8;
  --paper-line:#dde3ea;
  --brass:#3d6f96;
  --brass-light:#4fa3dd;
  --seal:#0476bf;
  --muted:#5c6a7a;
  --white:#ffffff;
  --serif:'Noto Serif KR', serif;
  --sans:'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px;}

.texture{
  background-image:
    radial-gradient(circle at 1px 1px, rgba(19,48,82,0.06) 1px, transparent 0);
  background-size:22px 22px;
}

/* ===== HEADER / NAV ===== */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(244,246,248,0.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--paper-line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand img{height:38px;width:auto;display:block;}
.brand .brand-word{font-family:var(--serif);font-weight:900;font-size:17px;color:var(--navy);letter-spacing:0.3px;}
.nav-links{display:flex;gap:32px;font-size:14.5px;font-weight:500;color:var(--navy);}
.nav-links a{opacity:0.85;transition:opacity .2s,color .2s;padding:4px 0;border-bottom:2px solid transparent;}
.nav-links a:hover{opacity:1;color:var(--seal);}
.nav-links a.active{opacity:1;color:var(--seal);border-bottom-color:var(--seal);}
.nav-cta{
  background:var(--navy);color:var(--paper);
  padding:10px 20px;border-radius:2px;font-size:14px;font-weight:600;
  border:1px solid var(--navy);transition:background .2s;
  white-space:nowrap;
}
.nav-cta:hover{background:var(--navy-deep);}

.nav-toggle{
  display:none;
  background:none;border:1px solid var(--navy);border-radius:2px;
  width:40px;height:40px;align-items:center;justify-content:center;
  font-size:18px;color:var(--navy);cursor:pointer;flex-shrink:0;
}

.nav-mobile-panel{
  display:none;
  flex-direction:column;
  border-top:1px solid var(--paper-line);
  background:var(--paper);
}
.nav-mobile-panel.open{display:flex;}
.nav-mobile-panel a{
  padding:16px 28px;font-size:15px;font-weight:600;color:var(--navy);
  border-bottom:1px solid var(--paper-line);
}
.nav-mobile-panel a.active{color:var(--seal);}

/* ===== PAGE HERO (interior pages) ===== */
.page-hero{padding:56px 0 48px;border-bottom:1px solid var(--paper-line);background:var(--white);}
.page-eyebrow{
  font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--seal);
  text-transform:uppercase;margin-bottom:12px;
}
.page-title{font-family:var(--serif);font-weight:900;font-size:clamp(28px,4vw,42px);color:var(--navy);line-height:1.3;}
.page-sub{margin-top:14px;color:var(--muted);font-size:15.5px;max-width:560px;}

/* ===== HOME HERO ===== */
.hero{padding:80px 0 90px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:60px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--seal);
  text-transform:uppercase;margin-bottom:22px;
}
.eyebrow::before{content:'';width:24px;height:1px;background:var(--seal);}
h1{
  font-family:var(--serif);font-weight:900;
  font-size:clamp(34px,4.6vw,54px);
  line-height:1.25;color:var(--navy);
  margin-bottom:24px;
}
h1 em{font-style:normal;color:var(--seal);}
.hero-sub{font-size:16.5px;color:var(--muted);max-width:480px;margin-bottom:36px;}
.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  padding:15px 28px;border-radius:2px;font-size:15px;font-weight:700;
  display:inline-block;transition:all .2s;border:1px solid transparent;
}
.btn-primary{background:var(--seal);color:var(--white);}
.btn-primary:hover{background:#035a91;}
.btn-secondary{border-color:var(--navy);color:var(--navy);}
.btn-secondary:hover{background:var(--navy);color:var(--paper);}

.logo-wrap{display:flex;align-items:center;justify-content:center;padding:20px;}
.logo-plate{
  position:relative;width:100%;max-width:340px;
  background:var(--white);border:1px solid var(--paper-line);
  padding:52px 40px;display:flex;flex-direction:column;align-items:center;gap:22px;
}
.logo-plate::before{content:'';position:absolute;top:0;left:0;width:34px;height:4px;background:var(--seal);}
.logo-plate::after{content:'';position:absolute;bottom:0;right:0;width:34px;height:4px;background:var(--seal);}
.logo-plate img{width:112px;height:112px;object-fit:contain;}
.logo-plate .logo-word{text-align:center;}
.logo-plate .logo-word .kr{font-family:var(--serif);font-weight:900;font-size:23px;color:var(--navy);letter-spacing:1px;}
.logo-plate .logo-word .en{display:block;font-size:11px;letter-spacing:2px;color:var(--muted);margin-top:8px;text-transform:uppercase;}

/* ===== TRUST BAR ===== */
.trustbar{background:var(--navy);color:var(--paper);padding:20px 0;}
.trustbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:13.5px;font-weight:500;}
.trustbar span{opacity:0.85;}
.trustbar a{color:var(--brass-light);font-weight:700;opacity:1;}
.trustbar a:hover{text-decoration:underline;}

/* ===== SECTION HEADER ===== */
.section{padding:90px 0;}
.section-head{max-width:600px;margin-bottom:52px;}
.section-tag{font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--brass);text-transform:uppercase;margin-bottom:14px;}
.section-title{font-family:var(--serif);font-weight:700;font-size:clamp(26px,3vw,36px);color:var(--navy);line-height:1.35;}
.section-desc{margin-top:16px;color:var(--muted);font-size:15.5px;}

/* ===== SERVICES ===== */
.services{background:var(--white);border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line);}
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);}
.service-card{background:var(--white);padding:36px 34px;transition:background .2s;}
.service-card:hover{background:var(--paper);}
.service-ref{font-size:12px;color:var(--brass);font-weight:700;letter-spacing:1px;margin-bottom:16px;}
.service-name{font-family:var(--serif);font-weight:700;font-size:19px;color:var(--navy);margin-bottom:12px;}
.service-desc{font-size:14.5px;color:var(--muted);}

/* ===== ABOUT / PROCESS ===== */
.about-grid{display:grid;grid-template-columns:0.9fr 1.1fr;gap:64px;align-items:start;}
.about-card{background:var(--navy);color:var(--paper);padding:40px;border-radius:2px;position:relative;}
.about-card::before{content:'';position:absolute;top:16px;left:16px;right:16px;bottom:16px;border:1px solid rgba(244,246,248,0.25);pointer-events:none;}
.about-card h3{font-family:var(--serif);font-size:22px;margin-bottom:14px;}
.about-card p{font-size:14.5px;color:rgba(244,246,248,0.8);margin-bottom:12px;}
.about-card p.tagline{color:var(--white);font-weight:600;border-top:1px solid rgba(244,246,248,0.2);padding-top:16px;margin-top:16px;}
.process-list{display:flex;flex-direction:column;}
.process-item{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--paper-line);}
.process-item:first-child{padding-top:0;}
.process-num{font-family:var(--serif);font-weight:900;font-size:22px;color:var(--brass);min-width:38px;}
.process-body h4{font-size:16px;font-weight:700;color:var(--navy);margin-bottom:6px;}
.process-body p{font-size:14px;color:var(--muted);}

/* ===== PROFILE ===== */
.profile-section{background:var(--white);border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line);}
.profile-grid{display:grid;grid-template-columns:0.55fr 1fr;gap:56px;align-items:center;}
.profile-photo{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  background:var(--paper);border:1px solid var(--paper-line);
}
.profile-photo-placeholder{
  width:100%;aspect-ratio:4/5;
  background:var(--paper);border:1px solid var(--paper-line);
  display:flex;align-items:center;justify-content:center;
  color:var(--muted);font-size:13px;text-align:center;padding:20px;
}
.profile-name-row{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:22px;}
.profile-name{font-family:var(--serif);font-weight:900;font-size:clamp(26px,3vw,32px);color:var(--navy);letter-spacing:1px;}
.profile-role{font-size:15px;color:var(--brass);font-weight:600;}
.profile-edu{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:24px;}
.cred-list{list-style:none;display:flex;flex-direction:column;gap:10px;}
.cred-list li{
  position:relative;padding-left:18px;font-size:15px;font-weight:600;color:var(--navy);
}
.cred-list li::before{
  content:'';position:absolute;left:0;top:8px;width:7px;height:7px;background:var(--seal);
}

/* ===== HOME PREVIEW STRIP ===== */
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line);}
.preview-card{background:var(--white);padding:30px 26px;}
.preview-card .service-ref{margin-bottom:12px;}
.preview-card .service-name{font-size:16.5px;margin-bottom:8px;}
.preview-card .service-desc{font-size:13.5px;}
.preview-more{margin-top:28px;text-align:center;}

.cta-band{background:var(--navy);color:var(--paper);padding:64px 0;text-align:center;}
.cta-band h2{font-family:var(--serif);font-weight:700;font-size:clamp(22px,2.6vw,30px);margin-bottom:18px;}
.cta-band p{color:rgba(244,246,248,0.75);margin-bottom:28px;font-size:15px;}

/* ===== MAP ===== */
.map-section{padding:0 0 90px;}
.map-frame{
  width:100%;height:340px;border:1px solid var(--paper-line);
  filter:grayscale(0.15) contrast(1.02);
}
.map-caption{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
  padding:16px 20px;background:var(--white);border:1px solid var(--paper-line);border-top:none;font-size:14px;
}
.map-caption a{color:var(--seal);font-weight:700;}

/* ===== CONTACT ===== */
.contact{background:var(--navy-deep);color:var(--paper);}
.contact .section-tag{color:var(--brass-light);}
.contact .section-title{color:var(--white);}
.contact .section-desc{color:rgba(244,246,248,0.7);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:20px;}
.info-list{display:flex;flex-direction:column;gap:22px;}
.info-item{display:flex;gap:16px;align-items:flex-start;}
.info-item a{transition:color .2s;}
.info-item a:hover{color:var(--brass-light);}
.info-icon{
  width:38px;height:38px;border:1px solid var(--brass);border-radius:50%;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  color:var(--brass-light);font-size:15px;
}
.info-item strong{display:block;font-size:14px;color:rgba(244,246,248,0.6);margin-bottom:3px;font-weight:500;}
.info-item span,.info-item a{font-size:15.5px;font-weight:600;}

form{display:flex;flex-direction:column;gap:14px;}
.field label{display:block;font-size:13px;color:rgba(244,246,248,0.65);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;background:rgba(244,246,248,0.06);
  border:1px solid rgba(244,246,248,0.2);
  color:var(--paper);padding:13px 14px;font-size:14.5px;border-radius:2px;font-family:var(--sans);
}
.field input::placeholder,.field textarea::placeholder{color:rgba(244,246,248,0.35);}
.field textarea{resize:vertical;min-height:100px;}
.field input:focus,.field textarea:focus{outline:2px solid var(--brass-light);outline-offset:1px;border-color:var(--brass-light);}

.consent{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:rgba(244,246,248,0.65);margin-top:2px;}
.consent input{margin-top:3px;flex-shrink:0;}
.consent a{color:var(--brass-light);text-decoration:underline;}
details.privacy{
  margin-top:4px;background:rgba(244,246,248,0.05);border:1px solid rgba(244,246,248,0.15);
  border-radius:2px;padding:12px 14px;font-size:12px;color:rgba(244,246,248,0.6);
}
details.privacy summary{cursor:pointer;font-size:12.5px;color:var(--brass-light);font-weight:600;}
details.privacy p{margin-top:8px;line-height:1.6;}

.submit-btn{
  margin-top:6px;background:var(--seal);color:var(--white);border:none;
  padding:15px;font-size:15px;font-weight:700;border-radius:2px;cursor:pointer;transition:background .2s;
}
.submit-btn:hover{background:#035a91;}
.submit-btn:focus-visible{outline:2px solid var(--brass-light);outline-offset:2px;}

/* ===== FOOTER ===== */
footer{background:var(--navy-deep);border-top:1px solid rgba(244,246,248,0.1);padding:24px 0;}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:rgba(244,246,248,0.45);}
footer .footer-links{display:flex;gap:16px;}
footer a{color:rgba(244,246,248,0.6);}
footer a:hover{color:var(--brass-light);}

@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;}
  .logo-wrap{order:-1;margin-bottom:8px;padding:0;}
  .logo-plate{padding:36px 28px;}
  .logo-plate img{width:88px;height:88px;}
  .logo-plate .logo-word .kr{font-size:19px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .service-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr 1fr;}
  .about-grid{grid-template-columns:1fr;}
  .profile-grid{grid-template-columns:1fr;}
  .profile-photo,.profile-photo-placeholder{max-width:260px;margin:0 auto;}
  .contact-grid{grid-template-columns:1fr;}
  .trustbar .wrap{flex-direction:column;gap:8px;}
  .map-frame{height:260px;}
}
@media(max-width:520px){
  .preview-grid{grid-template-columns:1fr;}
}