/* 동그라미 스튜디오(O Studio) 홈페이지 공통 스타일 */
:root{
  color-scheme:light dark;
  --fg:#17171a;--sub:#5f6068;--faint:#8a8b93;
  --bg:#fbfaf8;--bg2:#f3f1ec;--card:#fff;--line:#e6e3dc;
  --acc:#E3870F;--acc-ink:#b8690a;--acc-soft:#fdf1e1;
  --r:16px;--max:1120px;
}
@media (prefers-color-scheme:dark){:root{
  --fg:#f1f0ee;--sub:#a9a8a4;--faint:#7c7b78;
  --bg:#121212;--bg2:#1a1a19;--card:#1d1d1c;--line:#2d2c2a;
  --acc:#F29A26;--acc-ink:#F5A940;--acc-soft:#2a2116;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);
  font:16px/1.75 "Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  word-break:keep-all;overflow-wrap:break-word}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* 머리글 */
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:baseline;gap:8px;text-decoration:none;white-space:nowrap}
.logo b{font-size:21px;letter-spacing:.06em;font-weight:700}
.logo b i{font-style:normal;color:var(--acc)}
.logo small{font-size:12px;color:var(--sub);letter-spacing:.02em}
nav.menu{display:flex;gap:4px}
nav.menu a{text-decoration:none;font-size:15px;padding:8px 12px;border-radius:999px;color:var(--sub)}
nav.menu a:hover{color:var(--fg);background:var(--bg2)}
nav.menu a[aria-current]{color:var(--fg);font-weight:600}
.menu-btn{display:none;background:none;border:0;color:var(--fg);padding:8px;margin-right:-8px;cursor:pointer}
@media (max-width:760px){
  .logo small{display:none}
  .menu-btn{display:block}
  nav.menu{position:absolute;left:0;right:0;top:64px;flex-direction:column;gap:0;padding:8px 12px 16px;
    background:var(--bg);border-bottom:1px solid var(--line);display:none}
  nav.menu.open{display:flex}
  nav.menu a{padding:12px;border-radius:10px;font-size:16px}
}

/* 공통 구획 */
section{padding:88px 0}
section.tight{padding:56px 0}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--acc-ink);text-transform:uppercase;margin:0 0 12px}
h1,h2,h3{line-height:1.3;margin:0;letter-spacing:-.01em}
h2{font-size:clamp(26px,3.4vw,36px);font-weight:700}
.lead{font-size:clamp(17px,1.6vw,19px);color:var(--sub);margin:16px 0 0;max-width:640px}
.head{margin-bottom:40px}
.alt{background:var(--bg2)}

/* 첫 화면 */
.hero{padding:96px 0 72px;position:relative;overflow:hidden}
.hero h1{font-size:clamp(36px,6vw,68px);font-weight:800;letter-spacing:-.025em;line-height:1.18}
.hero h1 em{font-style:normal;color:var(--acc)}
.hero .lead{max-width:600px}
.ring{position:absolute;right:-120px;top:40px;width:min(520px,60vw);aspect-ratio:1;border-radius:50%;
  border:clamp(40px,7vw,86px) solid var(--acc);opacity:.13;pointer-events:none}
.btns{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:999px;text-decoration:none;
  font-weight:600;font-size:15px;border:1px solid var(--line);background:var(--card)}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn:hover{transform:translateY(-1px)}

/* 사업 카드 */
.biz{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.biz>a,.biz>.card2{display:flex;flex-direction:column;gap:14px;padding:24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r);text-decoration:none;transition:border-color .15s,transform .15s}
.biz>a:hover{border-color:var(--acc);transform:translateY(-2px)}
.biz .ico{width:52px;height:52px;border-radius:13px;object-fit:contain;background:#fff;border:1px solid var(--line)}
.biz h3{font-size:19px}
.biz p{margin:0;color:var(--sub);font-size:15px;line-height:1.65}
.biz .go{margin-top:auto;font-size:14px;color:var(--acc-ink);font-weight:600}

/* 일하는 방식 */
.values{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.values div{padding:24px;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.values b{display:block;font-size:17px;margin-bottom:6px}
.values span{color:var(--sub);font-size:15px}
.values i{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--acc-soft);
  color:var(--acc-ink);font-style:normal;font-weight:700;font-size:14px;margin-bottom:14px}

/* 영상 목록 */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{font:inherit;font-size:14px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--sub);cursor:pointer}
.filters button[aria-pressed=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.vids{display:grid;gap:28px 20px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
@media (max-width:420px){.vids{grid-template-columns:1fr}}
.vid{all:unset;cursor:pointer;display:block;min-width:0}
.vid .th{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg2)}
.vid .th img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.vid:hover .th img,.vid:focus-visible .th img{transform:scale(1.04)}
.vid:focus-visible .th{outline:3px solid var(--acc);outline-offset:3px}
.vid .play{position:absolute;inset:auto auto 12px 12px;width:40px;height:40px;border-radius:50%;
  background:rgba(0,0,0,.6);display:grid;place-items:center}
.vid .play svg{width:16px;height:16px;fill:#fff;margin-left:2px}
.vid .tag{display:inline-block;font-size:12px;color:var(--acc-ink);font-weight:600;margin:12px 0 2px}
.vid b{display:block;font-weight:600;font-size:16px;line-height:1.5}
.vid small{display:block;color:var(--faint);font-size:13px;margin-top:2px}

/* 인쇄물 */
.prints{columns:3 260px;column-gap:20px}
.prints button{all:unset;cursor:zoom-in;display:block;break-inside:avoid;margin:0 0 20px;width:100%}
.prints img{border-radius:10px;border:1px solid var(--line);width:100%;height:auto}
.prints span{display:block;font-size:14px;color:var(--sub);margin-top:8px}
.prints button:focus-visible img{outline:3px solid var(--acc);outline-offset:3px}

/* 큰 화면 보기 */
dialog.viewer{padding:0;border:0;background:transparent;max-width:min(1100px,94vw);width:100%;color:#fff}
dialog.viewer::backdrop{background:rgba(0,0,0,.86)}
dialog.viewer .box{position:relative}
dialog.viewer video{width:100%;max-height:86vh;border-radius:10px;background:#000;display:block}
dialog.viewer iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:10px;background:#000;display:block}
dialog.viewer img{max-height:86vh;width:auto;margin:0 auto;border-radius:8px}
dialog.viewer .cap{text-align:center;margin-top:12px;font-size:15px}
dialog.viewer .x{position:absolute;right:0;top:-48px;background:none;border:0;color:#fff;font-size:30px;cursor:pointer;line-height:1;padding:6px 10px}

/* 앱 */
.apps{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.app{padding:32px;border-radius:20px;background:var(--card);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px}
.app img.ico{width:72px;height:72px;border-radius:18px}
.app h3{font-size:22px}
.app p{margin:0;color:var(--sub)}
.app ul{margin:0;padding-left:18px;color:var(--sub);font-size:15px}
.stores{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px}
.stores a,.stores span{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;border:1px solid var(--line);
  font-size:14px;text-decoration:none;background:var(--bg)}
.stores img{width:18px;height:18px}
.stores span{color:var(--faint)}

/* 문의 */
.contact{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.contact a,.contact div{display:block;padding:28px;border-radius:var(--r);background:var(--card);border:1px solid var(--line);text-decoration:none}
.contact small{display:block;color:var(--faint);font-size:13px;margin-bottom:6px}
.contact b{font-size:20px;word-break:break-all}
.cta{border-radius:24px;background:var(--fg);color:var(--bg);padding:48px clamp(24px,5vw,56px);
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta h2{font-size:clamp(22px,3vw,30px)}
.cta p{margin:8px 0 0;opacity:.7}
.cta .btn{background:var(--acc);border-color:var(--acc);color:#fff}

/* 바닥글 */
footer.foot{border-top:1px solid var(--line);padding:40px 0 48px;color:var(--sub);font-size:14px}
footer.foot .wrap{display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between}
footer.foot a{color:var(--sub)}
footer.foot b{color:var(--fg)}

/* 카카오톡 채널 */
.btn svg,.kakao-fab svg{width:18px;height:18px;fill:currentColor}
.cta .btn.kakao,.btn.kakao{background:#FEE500;border-color:#FEE500;color:#191919}
.cta .btn:not(.kakao){background:transparent;border-color:color-mix(in srgb,var(--bg) 40%,transparent);color:var(--bg)}
.kakao-fab{position:fixed;right:20px;bottom:20px;z-index:30;display:flex;align-items:center;gap:8px;padding:12px 18px 12px 14px;
  border-radius:999px;background:#FEE500;color:#191919;text-decoration:none;font-weight:700;font-size:15px;
  box-shadow:0 6px 20px rgba(0,0,0,.18)}
.kakao-fab svg{width:22px;height:22px}
@media (max-width:520px){.kakao-fab{right:14px;bottom:14px;padding:12px}.kakao-fab span{display:none}}

footer.foot{padding-bottom:96px}

.biz .gos{margin-top:auto;display:flex;flex-direction:column;gap:6px}
.biz .gos a{text-decoration:none}
.biz .gos a:hover{text-decoration:underline}

/* 앱 카드: 스토어 단추를 두 칸 격자로 맞춤, 오른쪽 위 지원 언어 국기 */
.app{position:relative}
.stores{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.stores a,.stores span{justify-content:flex-start;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.stores .i{width:18px;height:18px;flex:none;color:var(--sub)}
.langs{position:absolute;top:32px;right:32px;display:flex;gap:6px}
.langs img{width:24px;height:16px;object-fit:cover;border-radius:3px;box-shadow:0 0 0 1px var(--line)}
@media (max-width:420px){.app{padding:24px}.langs{top:24px;right:24px}.langs img{width:20px;height:14px}}
@media (max-width:420px){.stores{grid-template-columns:1fr}}
.app h3 .en{font-size:15px;font-weight:500;color:var(--faint);margin-left:6px}

/* 메인: 라타스·앱 소개 */
.feature{display:grid;gap:40px;grid-template-columns:1fr 1.15fr;align-items:center}
.flogo{width:64px;height:64px;border-radius:16px;background:#fff;border:1px solid var(--line);object-fit:contain;margin-bottom:18px}
.products{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.products a{display:block;background:#fff;color:#191919;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;transition:transform .15s,border-color .15s}
.products a:hover{transform:translateY(-2px);border-color:var(--acc)}
.products img{display:block;width:100%;aspect-ratio:1;object-fit:cover}
.products .pname{display:block;padding:10px 12px 20px;text-align:center}
.products .pname small{display:block;font-family:'Playfair Display',serif;font-style:italic;font-size:14px;color:#C77A12;line-height:1.3}
.products .pname b{display:block;margin-top:2px;font-family:'Gowun Batang',serif;font-weight:700;font-size:clamp(19px,2.2vw,24px);letter-spacing:-.01em;line-height:1.3}
.showcase{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr))}
.show{display:flex;flex-direction:column;gap:18px;padding:24px;background:var(--card);border:1px solid var(--line);border-radius:var(--r)}
.show .top{display:flex;gap:14px;align-items:flex-start;min-height:92px}
.show .ico{width:56px;height:56px;border-radius:14px;flex:none}
.show h3{font-size:20px;margin:0}
.show h3 .en{font-size:14px;font-weight:500;color:var(--sub)}
.show p{margin:6px 0 0;color:var(--sub);font-size:15px;line-height:1.6}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.shots img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line)}
.show .go{margin-top:auto;font-size:14px;font-weight:600;color:var(--acc-ink);text-decoration:none}
.vids.two{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
@media (max-width:800px){.feature{grid-template-columns:1fr;gap:28px}}
html{scroll-behavior:smooth}
#latas,#apps{scroll-margin-top:64px}

/* 문의 카드: 카카오 채널 추가·채팅 */
.contact .kbtns{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:0;border:0;border-radius:0;background:none}
.contact .kbtns a.btn{display:inline-flex;padding:9px 16px;border-radius:999px;font-size:14px}
.contact .kbtns a.kakao{background:#FEE500;border-color:#FEE500;color:#191919}