/* 버너작업 · grid-editorial(하안라인 그리드) 테마 · 인디고 팔레트 (#3730A3 / #F59E0B) */
@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/woff2/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}
:root{
  --primary:#3730A3;
  --accent:#F59E0B;
  --dark:#0A0E1A;
  --ink:#16181D;
  --sub:#6B7280;
  --line:#E4E4E7;
  --bg:#FFFFFF;
  --bg-sub:#F5F5F7;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans KR','Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic',sans-serif;
  color:var(--ink);
  background:var(--bg);
  margin:0;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.prose{max-width:68ch}
h1,h2.section-title,.hero-copy h1,.cta-section h2{
  font-family:'Pretendard',sans-serif;font-weight:800;letter-spacing:-.02em;
}
.eyebrow{
  display:block;
  font-size:.74rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:800;
  margin-bottom:12px;
}
.hairline{border-top:1px solid var(--line)}
.section{padding:64px 0}
@media(min-width:768px){.section{padding:96px 0}}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* Header */
#site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
#site-header .row{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;font-family:'Pretendard',sans-serif}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;font-weight:700;font-size:.92rem;
  border-radius:2px;cursor:pointer;border:1px solid transparent;
  transition:background .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--accent);color:var(--dark)}
.btn-primary:hover{background:#d98908}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--bg-sub)}
.btn-outline{border-color:#fff;color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1)}
.btn-outline-dark{border-color:var(--primary);color:var(--primary)}

/* Hero slider (메인페이지 전용, 3슬라이드) */
.hero-slider{margin-top:68px;position:relative;min-height:78vh;overflow:hidden}
.hs-slide{position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s ease}
.hs-slide.active{opacity:1;visibility:visible}
.hs-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hs-slide::after{content:'';position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(to top, rgba(6,8,14,.72), transparent);z-index:1}
.hs-copy{position:relative;z-index:2;height:78vh;display:flex;align-items:flex-end;padding:48px 0 64px;color:#fff}
.hs-copy .container{max-width:760px;margin:0}
.hs-copy .eyebrow{color:#FFD794}
.hs-copy h1,.hs-copy h2{font-size:2rem;line-height:1.3;margin:0 0 16px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
@media(min-width:768px){.hs-copy h1,.hs-copy h2{font-size:2.9rem}}
.hs-copy p{font-size:1rem;line-height:1.75;margin:0 0 26px;text-shadow:0 1px 6px rgba(0,0,0,.6);max-width:56ch}
.hs-copy .btn-row{display:flex;gap:12px;flex-wrap:wrap}
.hs-dots{position:absolute;left:0;right:0;bottom:24px;z-index:3;display:flex;justify-content:center;gap:8px}
.hs-dots button{width:28px;height:3px;background:rgba(255,255,255,.4);border:0;cursor:pointer;padding:0}
.hs-dots button.active{background:var(--accent)}

/* Hero(서브페이지) — 단일 이미지 */
.hero-single{margin-top:68px;position:relative;min-height:52vh;display:flex;align-items:flex-end}
.hero-single img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-single::after{content:'';position:absolute;left:0;right:0;bottom:0;height:60%;background:linear-gradient(to top, rgba(6,8,14,.7), transparent);z-index:1}
.hero-copy{position:relative;z-index:2;padding:48px 20px 56px;color:#fff;width:100%}
.hero-copy .container{max-width:760px;margin:0}
.hero-copy .eyebrow{color:#FFD794}
.hero-copy h1{font-size:2rem;line-height:1.3;margin:0 0 16px;text-shadow:0 2px 10px rgba(0,0,0,.55)}
@media(min-width:768px){.hero-copy h1{font-size:2.6rem}}
.hero-copy p{font-size:1rem;line-height:1.75;margin:0 0 26px;text-shadow:0 1px 6px rgba(0,0,0,.6);max-width:56ch}
.hero-copy .btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* grids fixed columns (no auto-fit) */
.grid-3{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr);gap:24px}}
/* 3개짜리 그리드는 모바일 1열(세로) 고정 */
.grid-1-3{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:900px){.grid-1-3{grid-template-columns:repeat(3,1fr);gap:24px}}
/* 4개짜리 그리드: 모바일 2열 / PC 4열 */
.grid-2-4{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:600px){.grid-2-4{grid-template-columns:repeat(2,1fr);gap:16px}}
@media(min-width:900px){.grid-2-4{grid-template-columns:repeat(4,1fr);gap:20px}}

.card{border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--bg);transition:border-color .2s ease}
a.card:hover{border-color:var(--primary)}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--bg-sub)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .thumb img{transform:scale(1.04)}
.card .body{padding:20px}
.card .badge{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.08em;color:var(--accent);border:1px solid var(--accent);border-radius:2px;padding:2px 8px;margin-bottom:10px}
.card h3{font-size:1rem;font-weight:700;margin:0 0 6px}
.card p{font-size:.85rem;color:var(--sub);margin:0;line-height:1.6}

/* 설명형 카드(링크 없음) — 상단 accent bar */
.card-plain{border:1px solid var(--line);border-radius:2px;background:var(--bg);padding:24px}
.card-plain .bar{width:36px;height:3px;background:var(--accent);margin-bottom:16px}
.card-plain h3{font-size:1.02rem;font-weight:700;margin:0 0 8px}
.card-plain p{font-size:.87rem;color:var(--sub);line-height:1.65;margin:0}

.num{font-family:'Pretendard',sans-serif;font-weight:800;color:var(--accent);font-size:.85rem;letter-spacing:.05em}

h2.section-title{font-size:1.6rem;margin:0 0 14px;padding-top:14px;border-top:1px solid var(--line);display:inline-block}
@media(min-width:768px){h2.section-title{font-size:2.1rem}}
.section-lead{color:var(--sub);font-size:.98rem;line-height:1.8;margin-bottom:36px}

/* before/after gallery (전/후) */
.grid-ba{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:900px){.grid-ba{grid-template-columns:repeat(2,1fr);gap:24px}}
.ba-card{border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--bg)}
.ba-imgs{display:grid;grid-template-columns:1fr 1fr}
.ba-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-sub);cursor:pointer}
.ba-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ba-thumb:hover img{transform:scale(1.04)}
.ba-tag{position:absolute;top:8px;left:8px;font-size:.68rem;font-weight:800;padding:3px 9px;border-radius:2px;letter-spacing:.04em;color:#fff}
.ba-tag-before{background:var(--dark)}
.ba-tag-after{background:var(--accent);color:var(--dark)}
.ba-caption{position:absolute;left:0;right:0;bottom:0;padding:18px 10px 8px;font-size:.72rem;color:#fff;line-height:1.4;background:linear-gradient(to top, rgba(6,8,14,.75), transparent)}

/* PROCESS 단계 그리드 */
.proc-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-top:32px}
@media(min-width:600px){.proc-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.proc-grid{grid-template-columns:repeat(3,1fr);gap:20px}}
.proc-step{border:1px solid var(--line);border-radius:2px;padding:22px}
.proc-step .num{display:block;margin-bottom:10px;font-size:1.1rem}
.proc-step h3{font-size:.95rem;font-weight:700;margin:0 0 6px}
.proc-step p{font-size:.83rem;color:var(--sub);line-height:1.6;margin:0}

table{border-collapse:collapse}
table th{color:var(--dark)}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-weight:700;font-size:.98rem}
.faq-q .plus{flex:none;font-size:1.3rem;color:var(--accent);transition:transform .2s}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 4px 20px;color:var(--sub);line-height:1.75;font-size:.92rem;margin:0}

/* CTA + footer flush */
.cta-section{background:var(--primary);color:#fff;text-align:center;padding:72px 20px;margin-bottom:0}
.cta-section h2{font-size:1.5rem;margin:0 0 12px}
@media(min-width:768px){.cta-section h2{font-size:1.9rem}}
.cta-section p{color:rgba(255,255,255,.8);margin:0 0 28px}

footer{background:var(--dark);color:rgba(255,255,255,.75);padding:56px 20px 28px;margin-top:0}
footer .cols{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){footer .cols{grid-template-columns:1.2fr 1fr 1fr}}
footer h4{color:#fff;font-size:.85rem;letter-spacing:.05em;margin:0 0 14px}
footer a{display:block;padding:6px 0;font-size:.88rem;color:rgba(255,255,255,.75)}
footer a:hover{color:var(--accent)}
footer .brand{color:#fff}
footer .bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.78rem;color:rgba(255,255,255,.5)}

/* floating (사각, 원형 아님) */
#floating{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
#floating .fab{width:52px;height:52px;border-radius:2px;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(0,0,0,.22);cursor:pointer;border:0}
#fab-top{display:none;background:#fff;color:var(--primary);border:1px solid var(--line)}

/* lightbox */
#lightbox{position:fixed;inset:0;background:rgba(6,8,14,.94);z-index:100;display:none;align-items:center;justify-content:center;padding:24px}
#lightbox.open{display:flex}
#lightbox img{max-width:100%;max-height:82vh;object-fit:contain}
#lightbox-cap{position:absolute;left:0;right:0;bottom:64px;text-align:center;color:#fff;font-size:.85rem;padding:0 20px}
#lightbox-close{position:absolute;top:20px;right:24px;color:#fff;font-size:2rem;background:none;border:0;cursor:pointer}
#lightbox-prev,#lightbox-next{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:2rem;background:none;border:0;cursor:pointer;padding:8px 14px}
#lightbox-prev{left:8px}
#lightbox-next{right:8px}