/* Studio May — Cinematic Dark (ui-ux-pro-max: Modern Dark Cinema) */
:root{
  --bg-deep:#050506; --bg-base:#0a0a0c; --bg-elev:#101014;
  --surface:rgba(255,255,255,.045); --surface-2:rgba(255,255,255,.07);
  --fg:#EDEDEF; --fg-muted:#9a9aa6; --fg-dim:#6b6b78;
  --accent:#6366F1; --accent-2:#a855f7; --accent-3:#22d3ee;
  --accent-glow:rgba(99,102,241,.35);
  --border:rgba(255,255,255,.09); --border-2:rgba(255,255,255,.14);
  --radius:18px; --radius-sm:12px;
  --ease:cubic-bezier(.16,1,.3,1); --maxw:1200px;
  --font-display:'Space Grotesk',sans-serif; --font-body:'Archivo',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg-deep); color:var(--fg); font-family:var(--font-body);
  line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.05}

/* 앰비언트 배경 블롭 */
.ambient{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.22;
  animation:float 18s var(--ease) infinite alternate}
.blob.b1{width:520px;height:520px;background:var(--accent);top:-120px;left:-80px}
.blob.b2{width:460px;height:460px;background:var(--accent-2);bottom:-140px;right:-60px;animation-delay:-6s}
.blob.b3{width:380px;height:380px;background:var(--accent-3);top:40%;left:55%;opacity:.12;animation-delay:-11s}
@keyframes float{to{transform:translate(60px,-40px) scale(1.12)}}

/* 네비게이션 */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px);
  background:rgba(8,8,10,.55);border-bottom:1px solid var(--border)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.55rem}
.brand .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 14px var(--accent-glow)}
.nav-links{display:flex;gap:8px;align-items:center}
.nav-links a{padding:9px 14px;border-radius:10px;color:var(--fg-muted);font-size:.93rem;font-weight:500;transition:.25s var(--ease)}
.nav-links a:hover{color:var(--fg);background:var(--surface)}
.nav-cta{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff !important;font-weight:600}
.nav-cta:hover{filter:brightness(1.1);background:linear-gradient(135deg,var(--accent),var(--accent-2)) !important}
.burger{display:none;background:none;border:0;color:var(--fg);cursor:pointer}

/* 히어로 */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img,.hero-media video,.hero-media iframe{width:100%;height:100%;object-fit:cover;border:0}
.hero-media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,5,6,.55) 0%,rgba(5,5,6,.75) 60%,var(--bg-deep) 100%)}
.hero-inner{position:relative;z-index:2;max-width:760px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent-3);font-weight:600;margin-bottom:22px;
  padding:7px 14px;border:1px solid var(--border-2);border-radius:999px;background:var(--surface)}
.hero h1{font-size:clamp(2.6rem,6vw,5rem);margin-bottom:22px}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent-3),var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--fg-muted);max-width:560px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* 버튼 */
.btn{display:inline-flex;align-items:center;gap:9px;padding:14px 26px;border-radius:12px;
  font-weight:600;font-size:.98rem;cursor:pointer;border:1px solid transparent;transition:.3s var(--ease)}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;
  box-shadow:0 8px 30px var(--accent-glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px var(--accent-glow)}
.btn-ghost{background:var(--surface);border-color:var(--border-2);color:var(--fg)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}

/* 섹션 */
section.block{padding:96px 0;position:relative}
.sec-head{margin-bottom:48px;max-width:680px}
.sec-head .tag{color:var(--accent-3);font-weight:600;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase}
.sec-head h2{font-size:clamp(1.9rem,4vw,3rem);margin:14px 0;font-family:var(--font-display);font-weight:700;letter-spacing:-.02em}
.sec-head p{color:var(--fg-muted);font-size:1.05rem}

/* 카드/그리드 */
.grid{display:grid;gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:.4s var(--ease)}
.card:hover{transform:translateY(-6px);border-color:var(--border-2);background:var(--surface-2)}
.card .media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-elev);position:relative}
.card .media img{width:100%;height:100%;object-fit:cover;transition:.6s var(--ease)}
.card:hover .media img{transform:scale(1.06)}
.card .media .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.card .media .play span{width:60px;height:60px;border-radius:50%;background:rgba(0,0,0,.5);
  backdrop-filter:blur(6px);border:1px solid var(--border-2);display:flex;align-items:center;justify-content:center}
.card .body{padding:20px}
.card .body .cat{font-size:.75rem;color:var(--accent-3);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.card .body h3{font-size:1.12rem;margin:8px 0 6px;font-weight:600}
.card .body p{color:var(--fg-muted);font-size:.92rem}

/* 서비스 카드 */
.svc{padding:32px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--border);transition:.4s var(--ease)}
.svc:hover{transform:translateY(-6px);background:var(--surface-2);border-color:var(--accent)}
.svc .ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));margin-bottom:20px}
.svc h3{font-size:1.3rem;margin-bottom:10px;font-weight:600}
.svc p{color:var(--fg-muted)}

/* 갤러리 필터 */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.filters a{padding:10px 18px;border-radius:999px;border:1px solid var(--border);color:var(--fg-muted);font-size:.9rem;font-weight:500;transition:.25s var(--ease)}
.filters a:hover{color:var(--fg);border-color:var(--border-2)}
.filters a.on{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent}

/* Q&A 아코디언 */
.faq{max-width:840px;margin:0 auto}
.faq .item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;background:var(--surface)}
.faq .q{padding:22px 24px;cursor:pointer;display:flex;justify-content:space-between;gap:16px;font-weight:600;font-size:1.05rem;list-style:none}
.faq .q::-webkit-details-marker{display:none}
.faq .q .pl{color:var(--accent-3);transition:.3s var(--ease);flex-shrink:0}
.faq details[open] .q .pl{transform:rotate(45deg)}
.faq .a{padding:0 24px 22px;color:var(--fg-muted);white-space:pre-line}

/* 폼 */
.form-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:8px;color:var(--fg)}
.field input,.field select,.field textarea{width:100%;padding:13px 15px;background:var(--bg-base);
  border:1px solid var(--border);border-radius:10px;color:var(--fg);font-family:inherit;font-size:.96rem;transition:.25s var(--ease)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.field textarea{min-height:140px;resize:vertical}
.notice{padding:16px 20px;border-radius:12px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);color:#a5f3fc;margin-bottom:24px}

/* 정보 박스 */
.infogrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.infogrid .row{padding:20px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface)}
.infogrid .row .k{font-size:.8rem;color:var(--fg-dim);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.infogrid .row .v{font-size:1.1rem;font-weight:600}

/* 푸터 */
footer{border-top:1px solid var(--border);padding:56px 0 40px;margin-top:40px;color:var(--fg-muted)}
footer .cols{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:32px}
footer .biz{font-size:.86rem;line-height:1.9;color:var(--fg-dim)}
footer .biz strong{color:var(--fg-muted)}
footer .copy{font-size:.84rem;color:var(--fg-dim);border-top:1px solid var(--border);padding-top:24px}

/* 라이트박스 */
.lb-trigger{cursor:pointer}
.lightbox{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
  flex-direction:column;gap:20px;padding:40px 24px;background:rgba(3,3,4,.92);backdrop-filter:blur(14px)}
.lightbox.open{display:flex;animation:lbfade .3s var(--ease)}
@keyframes lbfade{from{opacity:0}to{opacity:1}}
.lb-inner{max-width:1000px;width:100%;max-height:72vh;display:flex;align-items:center;justify-content:center}
.lb-inner img,.lb-inner video{max-width:100%;max-height:72vh;border-radius:var(--radius);box-shadow:0 20px 80px rgba(0,0,0,.6)}
.lb-inner iframe{width:min(1000px,90vw);aspect-ratio:16/9;max-height:72vh;border-radius:var(--radius);box-shadow:0 20px 80px rgba(0,0,0,.6)}
.lb-close{position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;border:1px solid var(--border-2);
  background:var(--surface);color:var(--fg);font-size:1.1rem;cursor:pointer;transition:.25s var(--ease)}
.lb-close:hover{background:var(--surface-2);transform:rotate(90deg)}
.lb-caption{text-align:center;max-width:680px}
.lb-caption .lb-cat{color:var(--accent-3);font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase}
.lb-caption h3{font-family:var(--font-display);font-size:1.4rem;margin:8px 0 6px}
.lb-caption p{color:var(--fg-muted);font-size:.95rem}

/* 스크롤 등장 */
.reveal{opacity:0;transform:translateY(28px);transition:.8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* 반응형 */
@media(max-width:860px){
  .grid.cols-3,.grid.cols-2,.infogrid{grid-template-columns:1fr}
  .nav-links{position:fixed;inset:68px 0 auto 0;flex-direction:column;background:rgba(8,8,10,.97);
    backdrop-filter:blur(18px);padding:18px 24px;border-bottom:1px solid var(--border);display:none}
  .nav-links.open{display:flex}
  .burger{display:block}
  section.block{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}