:root{
  --color-primary:#0EA5E9;
  --color-secondary:#38BDF8;
  --color-accent:#FBBF24;
  --color-neutral-dark:#0C4A6E;
  --color-neutral-light:#F0F9FF;
  --color-ink:#0C4A6E;
  --color-muted:#64748B;
  --color-line:rgba(12,74,110,0.12);
  --font-heading:'Noto Serif KR', serif;
  --font-body:'Noto Sans KR', sans-serif;
  --max:1160px;
}

/* === Reset === */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);color:var(--color-ink);background:#FFFFFF;line-height:1.6;font-size:16px}
img{max-width:100%;height:auto;display:block}
a{color:var(--color-primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--font-heading);color:var(--color-neutral-dark);line-height:1.25;margin:0 0 .75rem;font-weight:600;letter-spacing:-0.01em}
h1{font-size:clamp(2.25rem,5vw,3.5rem)}
h2{font-size:clamp(1.65rem,3vw,2.25rem)}
h3{font-size:1.15rem}
p{margin:0 0 1rem}

/* === Header === */
.site-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid var(--color-line);background:#FFFFFF;position:sticky;top:0;z-index:100}
.logo{display:inline-flex;align-items:center}
.logo img{height:72px;width:auto;display:block}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:1px solid var(--color-line);border-radius:6px;cursor:pointer;padding:0 10px}
.nav-toggle span{display:block;height:2px;background:var(--color-neutral-dark);border-radius:2px}
.site-nav{display:none;flex-direction:column;gap:0;position:absolute;top:100%;left:0;right:0;background:#FFFFFF;border-bottom:1px solid var(--color-line);padding:.5rem 1.25rem 1rem}
.site-nav.is-open{display:flex}
.site-nav a{padding:.75rem 0;color:var(--color-neutral-dark);font-weight:500;border-bottom:1px solid var(--color-line)}
.site-nav a:last-child{border-bottom:0}
.site-nav a[aria-current="page"]{color:var(--color-primary)}

@media (min-width:900px){
  .site-header{padding:1.25rem 2rem}
  .logo img{height:96px}
  .nav-toggle{display:none}
  .site-nav{display:flex;flex-direction:row;position:static;padding:0;border:0;gap:2rem;background:transparent}
  .site-nav a{border:0;padding:0}
}

/* === Layout helpers === */
main{display:block}
.section{max-width:var(--max);margin:0 auto;padding:3.5rem 1.25rem}
.section-narrow{max-width:760px}
.section-center{text-align:center}
.section__head{margin-bottom:2rem;max-width:640px}
.section__head p{color:var(--color-muted)}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.75rem;color:var(--color-primary);font-weight:600;margin:0 0 1rem}
.lede{font-size:1.15rem;color:var(--color-muted)}

/* === Hero split === */
.hero{max-width:var(--max);margin:0 auto;padding:2.5rem 1.25rem 3rem}
.hero-split{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center}
.hero__text .hero__sub{font-size:1.15rem;color:var(--color-muted);max-width:48ch;margin-bottom:1.75rem}
.hero__image img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:14px}
@media (min-width:900px){
  .hero{padding:4.5rem 2rem 5rem}
  .hero-split{grid-template-columns:1.1fr 1fr;gap:4rem}
}

/* === Buttons === */
.btn{display:inline-block;padding:.85rem 1.5rem;border-radius:8px;font-weight:600;font-family:var(--font-body);font-size:1rem;cursor:pointer;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--color-primary);color:#FFFFFF}
.btn-primary:hover{background:var(--color-neutral-dark)}
.btn-accent{background:var(--color-accent);color:var(--color-neutral-dark)}

/* === Grid === */
.grid{display:grid;gap:1.25rem;grid-template-columns:1fr}
@media (min-width:640px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:960px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
}

/* === Card === */
.card{background:var(--color-neutral-light);padding:1.75rem;border-radius:12px;border:1px solid var(--color-line);color:var(--color-ink)}
.card h3{margin-bottom:.5rem}
.card p{margin:0;color:var(--color-muted);font-size:.95rem}
.card .icon{color:var(--color-primary);margin-bottom:1rem}
.card-link{display:block;transition:transform .18s ease,box-shadow .18s ease}
.card-link:hover{text-decoration:none;transform:translateY(-3px);box-shadow:0 20px 40px -25px rgba(12,74,110,.35)}

/* === Quote === */
.section-quote{max-width:820px;margin:0 auto;padding:3rem 1.25rem;text-align:center}
.section-quote blockquote{margin:0;position:relative;padding:0 1rem}
.section-quote blockquote p{font-family:var(--font-heading);font-size:1.35rem;line-height:1.55;color:var(--color-neutral-dark)}
.section-quote cite{display:block;margin-top:1rem;font-style:normal;color:var(--color-muted);font-size:.95rem}

/* === CTA band === */
.cta-band{background:var(--color-neutral-dark);color:var(--color-neutral-light);padding:3.5rem 1.25rem;margin-top:1rem}
.cta-band__inner{max-width:var(--max);margin:0 auto;text-align:center}
.cta-band h2{color:var(--color-neutral-light)}
.cta-band p{color:#CFE9F7;max-width:52ch;margin:0 auto 1.75rem}
.cta-band__address{font-style:normal;color:#CFE9F7;margin-bottom:1.5rem;font-size:.95rem;line-height:1.7}
.cta-band__address a{color:var(--color-accent)}

/* === Section split === */
.section-split{max-width:var(--max);margin:0 auto;padding:3.5rem 1.25rem;display:grid;grid-template-columns:1fr;gap:2rem;align-items:center}
.section-split__image img{border-radius:14px;aspect-ratio:4/3;object-fit:cover;width:100%}
@media (min-width:900px){
  .section-split{grid-template-columns:1fr 1fr;gap:4rem}
}

/* === Article detail === */
.article-detail{max-width:65ch;margin:0 auto;padding:2.5rem 1.25rem 4rem}
.article-detail h1{font-size:clamp(2rem,4vw,3rem);line-height:1.15;margin-bottom:1.25rem}
.article-sub{font-size:1.2rem;color:var(--color-muted);margin-bottom:1rem}
.article-hero{width:100%;aspect-ratio:16/9;object-fit:cover;margin:2rem 0;border-radius:10px}
.article-detail p{font-size:1.1rem;line-height:1.8;margin-block:1.25rem}
.article-footer{margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--color-line)}
.back-link{color:var(--color-primary);font-weight:500}

/* === Contact === */
.contact-grid{display:grid;grid-template-columns:1fr;gap:2.5rem}
@media (min-width:900px){.contact-grid{grid-template-columns:1fr 1.2fr;gap:4rem;align-items:start}}
.contact-info address{font-style:normal;line-height:1.9;margin-bottom:.75rem}
.contact-hours{color:var(--color-muted);font-size:.95rem}
.contact-form{display:flex;flex-direction:column;gap:1.25rem;background:var(--color-neutral-light);padding:2rem;border-radius:12px;border:1px solid var(--color-line)}
.field{display:flex;flex-direction:column;gap:.4rem}
.field label{font-weight:500;color:var(--color-neutral-dark);font-size:.95rem}
.field input,.field textarea{font:inherit;padding:.75rem .9rem;border:1px solid var(--color-line);border-radius:8px;background:#FFFFFF;color:var(--color-ink)}
.field input:focus,.field textarea:focus{outline:2px solid var(--color-primary);outline-offset:1px}
.form-consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.85rem;color:var(--color-muted);line-height:1.5}
.form-consent input{margin-top:.2rem}

/* === Footer === */
.site-footer{background:var(--color-neutral-light);border-top:1px solid var(--color-line);padding:3rem 1.25rem 1.5rem;margin-top:2rem}
.footer-grid{max-width:var(--max);margin:0 auto;display:grid;grid-template-columns:1fr;gap:2rem}
@media (min-width:800px){.footer-grid{grid-template-columns:1.2fr 1fr 1.3fr}}
.footer-tag{color:var(--color-muted);font-size:.95rem;margin-top:.5rem}
.footer-nav{display:flex;flex-direction:column;gap:.5rem}
.footer-nav h3,.footer-contact h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;color:var(--color-muted);margin-bottom:.75rem;font-family:var(--font-body);font-weight:600}
.footer-nav a{color:var(--color-neutral-dark);padding:.15rem 0}
.footer-contact address{font-style:normal;color:var(--color-ink);line-height:1.75;font-size:.95rem;margin-bottom:1rem}
.footer-contact a{color:var(--color-neutral-dark)}
.footer-legal{font-size:.85rem;color:var(--color-muted);margin:0}
.footer-legal a{color:var(--color-muted)}
.copyright{max-width:var(--max);margin:2rem auto 0;padding-top:1.5rem;border-top:1px solid var(--color-line);color:var(--color-muted);font-size:.85rem;text-align:center}
.logo--footer img{height:56px}

/* === Cookie banner === */
.cookie-banner{position:fixed;left:1rem;right:1rem;bottom:1rem;display:none;z-index:9999;background:var(--color-neutral-dark);color:var(--color-neutral-light);padding:1.25rem;border-radius:12px;box-shadow:0 20px 60px -20px rgba(0,0,0,.4);max-width:640px;margin:0 auto}
.cookie-banner.is-visible{display:block}
.cookie-banner p{margin:0 0 1rem;font-size:.9rem;line-height:1.55}
.cookie-banner__actions{display:flex;flex-wrap:wrap;gap:.5rem}
.cookie-banner button{font:inherit;font-size:.85rem;padding:.55rem 1rem;border-radius:6px;border:1px solid rgba(240,249,255,.25);background:transparent;color:var(--color-neutral-light);cursor:pointer}
.cookie-banner [data-cookie-accept]{background:var(--color-accent);color:var(--color-neutral-dark);border-color:var(--color-accent);font-weight:600}
.cookie-banner__prefs{margin-top:1rem;display:flex;flex-direction:column;gap:.5rem;padding-top:1rem;border-top:1px solid rgba(240,249,255,.15)}
.cookie-banner__prefs label{display:flex;gap:.5rem;align-items:center;font-size:.9rem}
.cookie-banner__prefs button{margin-top:.5rem;align-self:flex-start;background:var(--color-primary);border-color:var(--color-primary)}