/* OxQuad site. 값은 앱 디자인 토큰에서 가져옴. S = HSV 채도(S ≤ 3% 중성값만 바탕·면에 사용). */
@font-face{font-family:"Roboto";font-weight:400;font-style:normal;font-display:swap;src:url("assets/roboto-Regular.woff2") format("woff2")}
@font-face{font-family:"Roboto";font-weight:500;font-style:normal;font-display:swap;src:url("assets/roboto-Medium.woff2") format("woff2")}
@font-face{font-family:"Roboto";font-weight:600;font-style:normal;font-display:swap;src:url("assets/roboto-SemiBold.woff2") format("woff2")}
@font-face{font-family:"Roboto";font-weight:700;font-style:normal;font-display:swap;src:url("assets/roboto-Bold.woff2") format("woff2")}
@font-face{font-family:"Noto Serif";font-weight:700;font-style:normal;font-display:swap;src:url("assets/notoserif-bold.woff2") format("woff2")}

:root{
  --bg:#F7F8FA;        /* 바탕 (S 1.2%) */
  --surface:#FCFCFD;   /* 띄운 면, 캡처 바탕 (S 0.4%) */
  --muted:#F2F4F6;     /* 깔린 면, 꼬리 (S 1.6%) */
  --border:#E5E8EB;    /* 1px 경계선 (S 2.5%) */
  --text:#191F28;      /* 제목·본문 */
  --text-2:#4E5968;    /* 보조 글자 */
  --royal700:#284FB1;  /* 넓은 면·링크 글자 */
  --royal500:#345FCF;  /* 작은 표시·아이콘 */
  --gutter:min(1.5rem,5vw);
  --frame:60rem;       /* 960 */
  --measure:40rem;     /* 640 */
  --serif:"Noto Serif",Georgia,"Times New Roman",serif;
  --sans:"Roboto",system-ui,-apple-system,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;color-scheme:light}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:1rem;line-height:1.5;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
.frame{max-width:var(--frame);margin-inline:auto;padding-inline:var(--gutter)}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);border:0}

a{color:var(--royal700);font-weight:600;text-decoration:none;overflow-wrap:anywhere}
a:focus-visible{outline:2px solid var(--royal700);outline-offset:3px;border-radius:.25rem}

.site-header{padding-block:1.25rem}
.brand{display:flex;align-items:center;gap:.5rem}
.wordmark{font-family:var(--serif);font-weight:700;font-size:1.375rem;line-height:1.75rem;letter-spacing:-.01em;color:var(--text)}
.wordmark .dot{color:var(--royal500)}
.app-icon{width:2rem;height:2rem;border-radius:.5rem;border:1px solid var(--border)}

.hero{padding-block:2rem 3rem;display:grid;gap:2rem;grid-template-columns:minmax(0,1fr)}
h1{margin:0;font-family:var(--serif);font-weight:700;font-size:clamp(2rem,1.2rem + 3.5vw,3.5rem);line-height:1.15;letter-spacing:-.02em;text-wrap:balance}
.lead{margin:1rem 0 0;max-width:var(--measure);font-size:1.125rem;line-height:1.625rem;color:var(--text-2);text-wrap:pretty}

.rail{display:flex;gap:1rem;margin-inline:calc(-1 * var(--gutter));padding-inline:var(--gutter);overflow-x:auto;scroll-snap-type:x proximity;scroll-padding-inline:var(--gutter);-webkit-overflow-scrolling:touch}
.rail::after{content:"";flex:0 0 .5rem}
.shot-wrap{margin:0}
.shot-wrap img{width:100%;height:auto}
.shot-wrap{flex:0 0 auto;width:min(15rem,78vw);scroll-snap-align:start}
.shot-wrap.narrow{width:min(12.3rem,64vw)}
.shot-wrap img{background:var(--surface);border:1px solid var(--border);border-radius:1rem}

.features{padding-block:2rem;border-top:1px solid var(--border);display:grid;gap:2rem;grid-template-columns:minmax(0,1fr)}
.feature svg{display:block;width:24px;height:24px;color:var(--royal500)}
.feature h3{margin:.75rem 0 .25rem;font-size:1.125rem;line-height:1.625rem;font-weight:600;letter-spacing:-.01em}
.feature p{margin:0;color:var(--text-2);text-wrap:pretty}

.status{margin:0;padding-block:1.5rem;border-top:1px solid var(--border);color:var(--text-2);font-weight:500}
.links{padding-block:0 2rem;display:flex;flex-wrap:wrap;gap:.25rem 1.5rem}
.links a{display:inline-flex;align-items:center;min-height:2.75rem}

.site-footer{background:var(--muted);border-top:1px solid var(--border);padding-block:2rem 2.5rem;color:var(--text-2);font-size:.875rem;line-height:1.375rem}
.site-footer .cols{display:grid;gap:1.5rem;grid-template-columns:minmax(0,1fr)}
.site-footer p,.site-footer address{margin:0;font-style:normal}
.site-footer .name{color:var(--text);font-weight:600}
.site-footer .row{display:block}
.site-footer a{font-weight:600}
.site-footer [lang="ko"]{word-break:keep-all;overflow-wrap:break-word}
.nb{text-wrap:nowrap}

@media (min-width:37.5em){
  .rail{margin-inline:0;padding-inline:0;overflow:visible;flex-wrap:wrap}
  .rail::after{display:none}
  .shot-wrap{width:min(17rem,calc(55% - .5rem))}
  .shot-wrap.narrow{width:min(13.9rem,calc(45% - .5rem))}
}
@media (min-width:48em){
  .features{grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem}
  .site-footer .cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:2rem}
}
@media (min-width:60em){
  h1{max-width:11em}
  .rail{flex-wrap:nowrap;gap:1rem}
  .shot-wrap{width:20rem}
  .shot-wrap.narrow{width:16.4rem}
}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}