:root{
  --black:#05080d;
  --navy:#07111b;
  --white:#f7f4ee;
  --off:#f5f2eb;
  --text:#14181d;
  --muted:#69727c;
  --muted-light:#d7dde4;
  --gold:#d4aa54;
  --gold-light:#eec570;
  --line:#39424d;
  --line-light:#d4cec3;
  --max:1480px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--black);color:var(--white);
  font-family:Pretendard,"Noto Sans KR","Malgun Gothic",Arial,sans-serif;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
figure{margin:0}
h1,h2,h3,p{margin:0}
.container{width:min(var(--max),calc(100% - 72px));margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:100;background:#fff;color:#111419;
  border-bottom:1px solid rgba(0,0,0,.07)
}
.header-inner{
  min-height:92px;display:grid;grid-template-columns:290px 1fr auto;
  align-items:center;gap:28px
}
.brand{display:flex;align-items:baseline;gap:9px;white-space:nowrap}
.brand strong{font-size:27px;letter-spacing:-1.3px}
.brand span{font-size:11px;letter-spacing:1.8px}
.main-nav{display:flex;justify-content:center;gap:34px}
.main-nav a{display:flex;flex-direction:column;align-items:center;gap:3px}
.main-nav small{font-size:9px;letter-spacing:1.2px;color:#987334;font-weight:900}
.main-nav b{font-size:13.5px}
.main-nav .active b{color:#9a7330}
.header-cta{
  min-height:50px;padding:0 27px;border-radius:5px;
  background:#07090c;color:#dfb857;border:1px solid #c89d40;
  display:flex;align-items:center;gap:18px;font-size:14px;font-weight:900
}
.menu-toggle{display:none}

.eyebrow{
  margin:0 0 20px;color:var(--gold-light);
  font-size:13px;font-weight:900;letter-spacing:1.8px
}
.eyebrow.dark{color:#9a7330}

.hero{background:#05080d}
.hero-grid{
  min-height:680px;display:grid;grid-template-columns:1.02fr .98fr;
  align-items:stretch
}
.hero-copy{padding:80px 52px 76px 0;align-self:center}
.hero-copy h1{
  font-size:clamp(44px,4vw,60px);line-height:1.16;letter-spacing:-2.5px
}
.hero-fields{
  margin-top:30px;color:var(--gold-light);font-size:18px;font-weight:900;
  line-height:1.8
}
.hero-desc{
  margin-top:20px;color:var(--muted-light);font-size:18px;
  line-height:1.85;max-width:720px
}
.hero-desc-secondary{margin-top:14px}
.hero-hook{
  margin-top:22px;
  color:var(--gold-light);
  font-size:17px;
  line-height:1.7;
  font-weight:900;
  max-width:720px;
}
.hero-photo{
  min-height:680px;background:#05080d;
  display:flex;align-items:center;justify-content:center;overflow:hidden
}
.hero-photo img{width:100%;height:100%;object-fit:contain}
.trust-strip{
  margin-top:58px;padding-top:22px;border-top:1px solid rgba(212,170,84,.28);
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px
}
.trust-strip strong{
  display:block;font-size:24px;line-height:1.2;color:#fff
}
.trust-strip span{
  display:block;margin-top:10px;color:#cbd2d9;font-size:14px;line-height:1.6
}

.featured-projects{
  background:var(--off);color:var(--text);padding:82px 0 96px
}
.featured-projects h2,
.project-archive h2,
.performance-field h2,
.experience h2{
  font-size:clamp(35px,3vw,44px);line-height:1.28;letter-spacing:-1.5px
}
.section-desc{
  margin-top:20px;color:var(--muted);font-size:18px;line-height:1.85;
  max-width:1150px
}
.project-feature{margin-top:48px}
.project-feature figure{
  overflow:hidden;border:1px solid #d9d3c8;border-radius:12px;background:#ebe7df
}
.project-feature figure img{width:100%;height:auto}
.project-feature-main figure{max-height:620px}
.project-copy{padding-top:24px}
.project-meta{
  color:#9a7330;font-size:12px;font-weight:900;letter-spacing:1px
}
.project-copy h3{margin-top:12px;font-size:34px;letter-spacing:-1px}
.project-copy p:last-child{
  margin-top:13px;color:var(--muted);font-size:17px;line-height:1.8
}
.project-feature-grid{
  margin-top:64px;display:grid;grid-template-columns:1fr 1fr;gap:42px
}
.project-feature-grid .project-feature{margin-top:0}
.project-feature-grid .project-copy h3{font-size:28px}

.performance-field{
  background:var(--navy);padding:82px 0 94px
}
.field-grid{
  margin-top:60px;display:grid;grid-template-columns:repeat(4,1fr);gap:34px
}
.field-grid article{padding-top:22px;border-top:1px solid var(--line)}
.field-grid small{
  color:var(--gold-light);font-size:12px;font-weight:900;letter-spacing:.8px
}
.field-grid h3{margin-top:12px;font-size:27px}
.field-grid p{
  margin-top:14px;color:var(--muted-light);font-size:15px;line-height:1.8
}

.project-archive{
  background:var(--off);color:var(--text);padding:82px 0 96px
}
.archive-grid{
  margin-top:52px;display:grid;grid-template-columns:repeat(5,1fr);gap:22px
}
.archive-grid article figure{
  aspect-ratio:4/3;border:1px solid #d9d3c8;border-radius:9px;
  overflow:hidden;background:#ebe7df
}
.archive-grid img{width:100%;height:100%;object-fit:contain}
.archive-grid small{
  display:block;margin-top:18px;color:#9a7330;
  font-size:11px;font-weight:900;letter-spacing:.8px
}
.archive-grid h3{margin-top:8px;font-size:20px;line-height:1.45}

.experience{
  background:#060a10;padding:82px 0 96px
}
.experience-desc{
  margin-top:22px;color:var(--muted-light);font-size:18px;
  line-height:1.85;max-width:1200px
}
.operation-grid{
  margin-top:58px;display:grid;grid-template-columns:repeat(4,1fr);gap:34px
}
.operation-grid article{padding-top:22px;border-top:1px solid rgba(212,170,84,.3)}
.operation-grid small{
  color:var(--gold-light);font-size:12px;font-weight:900;letter-spacing:.8px
}
.operation-grid h3{margin-top:12px;font-size:27px}
.operation-grid p{
  margin-top:14px;color:var(--muted-light);font-size:15px;line-height:1.8
}

.cta{background:var(--off);color:var(--text);padding:72px 0 86px}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px
}
.cta h2{font-size:32px;line-height:1.3}
.cta p:last-child{
  margin-top:18px;color:var(--muted);font-size:17px;line-height:1.8
}
.btn{
  min-height:58px;padding:0 30px;border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  gap:18px;font-size:14px;font-weight:900
}
.btn-dark{background:#07090c;color:var(--gold-light);border:1px solid var(--gold)}

@media(max-width:1180px){
  .header-inner{grid-template-columns:1fr auto}
  .main-nav,.header-cta{display:none}
  .menu-toggle{display:block;border:0;background:transparent;font-size:25px}
  .main-nav.open{
    display:flex;position:absolute;left:0;right:0;top:92px;background:#fff;
    padding:28px;flex-direction:column;align-items:flex-start;gap:20px
  }
  .main-nav.open a{align-items:flex-start}

  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding-right:0}
  .hero-photo{min-height:auto;padding-bottom:24px}
  .project-feature-grid{grid-template-columns:1fr}
  .field-grid,.operation-grid{grid-template-columns:repeat(2,1fr)}
  .archive-grid{grid-template-columns:repeat(3,1fr)}
  .cta-inner{flex-direction:column;align-items:flex-start}
}

@media(max-width:780px){
  .container{width:min(var(--max),calc(100% - 34px))}
  .header-inner{min-height:74px}
  .brand strong{font-size:22px}
  .brand span{font-size:10px}
  .main-nav.open{top:74px}

  .hero-copy{padding:60px 0 40px}
  .hero-copy h1{font-size:42px}
  .hero-fields{font-size:15px}
  .hero-desc{font-size:16px}
  .trust-strip{grid-template-columns:1fr;gap:18px}
  .field-grid,.operation-grid,.archive-grid{grid-template-columns:1fr}
  .project-copy h3{font-size:27px}
  .project-feature-grid .project-copy h3{font-size:25px}
  .btn{width:100%}
}
