/* =============================================================
   News Article — shared stylesheet (readable layout + brand identity)
   ============================================================= */
:root{
  --c-white:#FFFFFF;--c-cream:#F3E6CC;--c-yellow:#F2CD37;--c-yellow-pale:#FFEC89;
  --c-orange:#FE8A18;--c-red:#E3000B;--c-blue:#0055BF;--c-green:#237841;--c-mint:#DFEEA5;
  --c-ink:#05131D;--c-ink-soft:#1B1A17;
  --font-display:'Jua','Fredoka','Pretendard',sans-serif;
  --font-ui:'Pretendard','Fredoka',ui-sans-serif,system-ui,sans-serif;
  --gutter:clamp(20px,4vw,48px);--maxw:1440px;
  --r-md:14px;--r-lg:28px;--r-xl:40px;--r-pill:9999px;
  --ease-out-soft:cubic-bezier(.22,.61,.36,1);
  --ease-pop:cubic-bezier(.34,1.56,.64,1);
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:var(--c-cream);color:var(--c-ink);font-family:var(--font-ui);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;font-feature-settings:"palt"}
h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:400;margin:0;letter-spacing:-.01em;line-height:1.15}
p{margin:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;color:inherit}
img,svg{display:block;max-width:100%}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}

/* NAV (shared) */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--c-cream) 88%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:18px var(--gutter);max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-size:22px}
.brand-mark{width:40px;height:40px;background:url("../assets/logo_128.png") center/contain no-repeat;display:block;flex:0 0 auto}
.nav-links{display:flex;gap:32px;font-size:17px;font-weight:600;letter-spacing:-.02em}
.nav-links a{padding:6px 0;position:relative}
.nav-links a.active::after,.nav-links a:hover::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:2px;background:var(--c-orange)}
.nav-cta{display:flex;gap:10px;align-items:center}
.btn{height:44px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-family:var(--font-ui);font-size:14px;font-weight:600;letter-spacing:-.02em;background:var(--c-ink);color:var(--c-white);border:1.5px solid var(--c-ink);transition:background 200ms,color 200ms}
.btn.ghost{background:transparent;color:var(--c-ink)}
.btn.ghost:hover{background:var(--c-ink);color:var(--c-white)}
@media(max-width:900px){.nav-links{display:none}}

/* ARTICLE */
.article-wrap{padding:clamp(40px,6vh,72px) 0 clamp(72px,10vh,120px)}
.article{max-width:760px;margin:0 auto}
.article-back{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--c-ink);opacity:.6;margin-bottom:32px;transition:opacity 160ms,color 160ms}
.article-back:hover{opacity:1;color:var(--c-orange)}
.article-meta{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.article-cat{padding:7px 14px;border-radius:var(--r-pill);font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.cat-공지{background:var(--c-orange);color:#fff}
.cat-키트{background:var(--c-blue);color:#fff}
.cat-교육{background:var(--c-green);color:#fff}
.cat-현장{background:var(--c-mint);color:var(--c-ink)}
.cat-자료{background:var(--c-yellow);color:var(--c-ink)}
.article-date{font-family:var(--font-ui);font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-ink-soft);opacity:.6}
.article-title{font-size:clamp(30px,4.4vw,52px);line-height:1.18;letter-spacing:-.01em;margin-bottom:18px}
.article-lead{font-size:18px;line-height:1.7;color:var(--c-ink-soft);opacity:.82;font-weight:500;margin-bottom:36px}
.article-hero{aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;position:relative;border:1.5px solid var(--c-ink);margin-bottom:48px;background:var(--c-white)}
.article-hero svg{width:100%;height:100%;position:absolute;inset:0}

.article-body{font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body p{margin:0 0 24px}
.article-body h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin:48px 0 18px;position:relative;padding-bottom:10px}
.article-body h2::after{content:"";position:absolute;left:0;bottom:0;width:48px;height:4px;border-radius:2px;background:var(--c-orange)}
.article-body h3{font-size:20px;margin:36px 0 14px;color:var(--c-ink)}
.article-body ul,.article-body ol{margin:0 0 24px;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:26px;margin-bottom:12px;line-height:1.8}
.article-body ul li::before{content:"";position:absolute;left:4px;top:12px;width:10px;height:10px;border-radius:3px;background:var(--c-orange)}
.article-body ol{counter-reset:n}
.article-body ol li{counter-increment:n}
.article-body ol li::before{content:counter(n);position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:var(--c-ink);color:var(--c-yellow);font-family:var(--font-display);font-size:12px;display:grid;place-items:center}
.article-body blockquote{margin:32px 0;padding:22px 26px;background:var(--c-cream);border-left:4px solid var(--c-orange);border-radius:0 var(--r-md) var(--r-md) 0;font-family:var(--font-display);font-weight:400;font-size:clamp(18px,2.2vw,22px);line-height:1.5}
.article-body strong{font-weight:700;background:linear-gradient(transparent 62%,var(--c-yellow-pale) 62%);padding:0 2px}
.article-body figure{margin:32px 0}
.article-body figure .ph{aspect-ratio:16/9;border-radius:var(--r-md);border:1.5px solid var(--c-ink);background:var(--c-white);display:grid;place-items:center;color:var(--c-ink);opacity:.5;font-family:var(--font-ui);font-size:13px;font-weight:600;letter-spacing:.08em}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--c-ink-soft);opacity:.6;text-align:center}

.article-foot{max-width:760px;margin:64px auto 0;padding-top:36px;border-top:1.5px solid var(--c-ink)}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.article-nav a{display:flex;flex-direction:column;gap:6px;padding:22px 24px;border:1.5px solid var(--c-ink);border-radius:var(--r-lg);background:var(--c-white);transition:transform 220ms var(--ease-pop),box-shadow 220ms var(--ease-out-soft)}
.article-nav a:hover{transform:translateY(-3px);box-shadow:6px 7px 0 var(--c-ink)}
.article-nav .dir{font-family:var(--font-ui);font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--c-orange)}
.article-nav .t{font-family:var(--font-display);font-size:16px;line-height:1.3}
.article-nav .next{text-align:right}
.article-nav .empty{border-style:dashed;opacity:.4;pointer-events:none}
.article-tolist{display:flex;justify-content:center;margin-top:28px}

/* FOOTER (shared) */
footer{background:var(--c-ink);color:var(--c-white);padding:96px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1.5px solid rgba(255,255,255,.2)}
.foot-col h4{font-family:var(--font-ui);font-weight:700;font-size:12px;letter-spacing:.15em;text-transform:uppercase;margin-bottom:16px;color:var(--c-yellow-pale)}
.foot-col a{display:block;font-size:14.5px;font-weight:500;padding:5px 0;opacity:.75;transition:opacity 160ms}
.foot-col a:hover{opacity:1;color:var(--c-yellow)}
.foot-bottom{padding-top:28px;display:flex;justify-content:space-between;font-size:13px;font-family:var(--font-ui);font-weight:600;letter-spacing:.08em;opacity:.65}
.brand-mark i{display:none}

@media(max-width:900px){
  .article-nav{grid-template-columns:1fr}
  .article-nav .next{text-align:left}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}

.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease-out-soft),transform .7s var(--ease-out-soft)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}