/* 일했소 공개 페이지 공통 스타일 — atdt.kr 메인과 같은 글꼴·색 체계 + 다크 모드 */
:root{
  --bg:#f7f9fc;
  --surface:#ffffff;
  --surface2:#f1f5ff;
  --text:#0a1020;
  --text2:#445067;
  --muted:#7d879a;
  --line:#e4e9f2;
  --blue:#2563eb;
  --blue-deep:#1d4ed8;
  --cyan:#06b6d4;
  --nav-bg:rgba(247,249,252,.82);
  --shadow-sm:0 10px 34px rgba(15,23,42,.045);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b1120;
    --surface:#111a2e;
    --surface2:#16213a;
    --text:#e8edf7;
    --text2:#b4bfd3;
    --muted:#8792a8;
    --line:#24304a;
    --blue:#6b9bff;
    --blue-deep:#4f86ff;
    --cyan:#22d3ee;
    --nav-bg:rgba(11,17,32,.82);
    --shadow-sm:none;
  }
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:Inter,'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--blue)}
.wrap{width:min(720px,calc(100% - 32px));margin:0 auto}

/* 헤더 */
.nav{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:var(--nav-bg);border-bottom:1px solid var(--line)}
.nav .wrap{height:64px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;background:#0a1020;padding:6px 12px 6px 6px;border-radius:12px;text-decoration:none}
.logo{width:30px;height:30px;border-radius:8px;overflow:hidden;background:#0f172a;flex-shrink:0}
.logo img{width:100%;height:100%;display:block;object-fit:cover}
.brand-text{font-size:15px;line-height:1;display:inline-flex;gap:4px}
.brand-atdt{color:#fff}
.brand-labs{color:#06b6d4;font-weight:700}
.nav-app{font-size:14px;font-weight:700;color:var(--text2);text-decoration:none}

/* 본문 */
main{padding:40px 0 24px}
h1{font-size:clamp(26px,6vw,36px);line-height:1.25;letter-spacing:-.03em;font-weight:800;margin-bottom:12px}
h2{font-size:21px;letter-spacing:-.02em;font-weight:800;margin:40px 0 14px}
h3{font-size:16px;font-weight:800;margin:26px 0 6px}
p{color:var(--text2);margin-bottom:10px}
ul{padding-left:20px;color:var(--text2);margin-bottom:10px}
li{margin-bottom:6px}
.lead{font-size:17px;color:var(--text2)}
.eyebrow{display:inline-block;padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--blue);font-size:13px;font-weight:800;margin-bottom:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 22px;box-shadow:var(--shadow-sm)}
.effective{color:var(--muted);font-size:14px;margin-bottom:22px}

/* 앱 소개 */
.hero{padding:16px 0 8px}
.store{display:inline-flex;align-items:center;gap:8px;margin-top:20px;padding:13px 20px;border-radius:14px;font-size:15px;font-weight:800;text-decoration:none;background:linear-gradient(135deg,var(--blue),var(--blue-deep));color:#fff}
.store.soon{background:var(--surface2);color:var(--muted);border:1px solid var(--line);cursor:default}
.features{list-style:none;padding:0;display:grid;gap:10px}
.features li{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px 16px;margin:0;color:var(--text)}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer;color:var(--text)}
.faq details p{margin:10px 0 0}
.contact-mail{font-size:18px;font-weight:800}

/* 약관·방침 */
.doc section{margin-bottom:22px}
.doc h3{margin-top:0}
.history{margin-top:36px}

/* 하단 */
footer{border-top:1px solid var(--line);margin-top:48px;padding:24px 0 40px;color:var(--muted);font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 0;margin-bottom:8px}
.foot-links a{color:var(--text2);text-decoration:none;font-weight:600}
.foot-links a:hover{color:var(--blue)}
.foot-links span{margin:0 8px;color:var(--muted)}