/* =========================
   Design tokens
   ========================= */
:root{
  --bg:#0b1220;--bg-2:#0f172a;--fg:#e2e8f0;--muted:#94a3b8;
  --brand:#ff6f61;--brand-dark:#e05b50;--card:#0f172a;
  --ring:rgba(255,111,97,.35);--btn:#ff6f61;--btn-fg:#fff;
  --shadow:0 10px 30px rgba(2,8,23,.35);
  --grad:radial-gradient(1200px 600px at 70% -10%, rgba(255,111,97,.25), transparent 40%),
         linear-gradient(180deg,#0b1220 0%,#0b1220 35%,#0f172a 100%);
}
@media (prefers-color-scheme:light){
  :root{
    --bg:#ffffff;--bg-2:#f8fafc;--fg:#0f172a;--muted:#475569;
    --ring:rgba(255,111,97,.3);--btn:#ff6f61;--btn-fg:#fff;
    --shadow:0 10px 30px rgba(2,8,23,.08);
    --grad:radial-gradient(1200px 600px at 70% -10%, rgba(255,111,97,.12), transparent 40%),
           linear-gradient(180deg,#f8fafc 0%,#ffffff 100%);
  }
}

/* =========================
   Reset & base
   ========================= */
*{box-sizing:border-box}
html{height:100%}
body{
  min-height:100dvh;           /* Sticky footer 준비 */
  display:flex; flex-direction:column;
  margin:0; padding:0;
  font-family:Inter,system-ui,-apple-system,Roboto,sans-serif;
  background:var(--grad); color:var(--fg);
  overflow-x:hidden;
  padding-top:72px;            /* 고정 헤더 보정 */
}
main{flex:1}                   /* 본문이 남은 높이를 채우게 */
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
img{max-width:100%;height:auto}
.sep{height:1px;background:rgba(255,255,255,.06);margin:36px 0}

/* =========================
   Header (fixed)
   ========================= */
.site-header{
  position:fixed; top:0; left:0; right:0; height:72px; z-index:1000;
  box-shadow:0 1px 0 rgba(0,0,0,.04);
  background:color-mix(in oklab, var(--bg-2) 92%, transparent);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;text-decoration:none}
.brand .logo{
  width:36px;height:36px;border-radius:10px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:none;box-shadow:none;
}
.brand .logo img{width:100%;height:100%;object-fit:contain;display:block}
.brand-name{text-transform:uppercase;letter-spacing:.02em;color:var(--brand);font-size:22px}
@media(min-width:1024px){.brand-name{font-size:26px}}
.main-nav{display:flex;align-items:center;gap:10px;flex-wrap:nowrap}
.main-nav a{
  color:var(--muted); text-decoration:none;
  padding:8px 10px; border-radius:8px;
  transition:background .2s,color .2s;
  white-space:nowrap;                 /* prevent line wrap for '정책' */
}
.main-nav a:visited{color:var(--muted)}
.main-nav a:hover,.main-nav a.active{background:rgba(255,111,97,.12);color:var(--brand)}

/* 언어 셀렉트: 모바일에서도 가독성 */
.lang-select{
  font-size:clamp(14px,1.6vw,16px);
  line-height:1.2;
  padding:8px 12px;
  min-width:140px;
  border-radius:10px;
  border:1px solid rgba(148,163,184,.35);
  background:rgba(255,255,255,.85);
  color:#0f172a;
  appearance:none; -webkit-appearance:none; -moz-appearance:none;
  cursor:pointer;
}
@media(max-width:480px){
  .lang-select{min-width:120px;font-size:14px;padding:8px 10px}
}

@media(max-width:720px){
  .brand-name{font-size:18px}        /* smaller but still visible */
  .header-inner{gap:6px}
}

/* =========================
   Hero
   ========================= */
.hero{
  display:grid; grid-template-columns:1.05fr .95fr;
  gap:36px; align-items:center; padding:28px 0 8px; position:relative; z-index:1;
}
@media(max-width:1000px){.hero{grid-template-columns:1fr;gap:24px}}
.hero .title{line-height:1.15;margin:6px 0 8px}
.hero .subtitle{color:var(--muted)}

/* Device mock + Carousel */
.device-mock{display:flex;justify-content:center}
.device{
  position:relative;width:min(320px,82%);aspect-ratio:9/19;border:8px solid #1a1b1f;border-radius:32px;background:#000;
  box-shadow:0 18px 50px rgba(2,8,23,.45), inset 0 0 0 1px rgba(255,255,255,.08);overflow:hidden
}
.device::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:40%;height:16px;background:#1a1b1f;border-bottom-left-radius:12px;border-bottom-right-radius:12px
}
.slides{display:flex;width:300%;height:100%;transition:transform .55s ease;cursor:grab}
.slide{flex:0 0 100%;background-size:cover;background-position:center}
.dots{position:absolute;bottom:10px;left:0;right:0;display:flex;justify-content:center;gap:8px}
.dot{width:7px;height:7px;border-radius:999px;background:rgba(255,255,255,.35);cursor:pointer;border:none}
.dot.active{background:#fff}

/* Buttons */
.btn{
  background:var(--btn);color:var(--btn-fg);
  border-radius:10px;padding:12px 16px;font-weight:600;border:none;
  box-shadow:var(--shadow);cursor:pointer;transition:transform .1s,box-shadow .2s
}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 32px rgba(255,111,97,.45)}
.btn.outline{background:transparent;color:var(--brand);border:1px solid var(--brand)}

/* Feature grid & Download/Contact */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}
.feature{background:color-mix(in oklab, var(--bg-2) 85%, transparent);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px}

.dl-contact{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:900px){
  .dl-contact{grid-template-columns:1fr}
  .feature{padding:12px 16px}
  .dl-card,.contact-card{padding:12px 16px}
  .grid{gap:16px}
  .dl-contact{gap:16px}
}
.dl-card,.contact-card{
  background:color-mix(in oklab, var(--bg-2) 85%, transparent);
  border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px
}

/* Store badges 동일 높이 */
.store-badges{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.store-badge{display:inline-flex;align-items:center;justify-content:center;padding:0;border-radius:8px}
.store-badge img{height:56px;width:auto;display:block}
@media(max-width:480px){.store-badge img{height:50px}}

/* =========================
   Footer (통일)
   ========================= */
.site-footer{border-top:none;margin-top:32px;padding:0;color:var(--muted)}
/* 본문-푸터 경계 1줄만 */
.legal-divider{height:1px;background:#e5e7eb;margin:0}
/* Divider 아래 전폭 회색 바 */
.legal-bar{background:#f6f7f8;padding:22px 0 30px;margin-top:0}

/* 내부 컨테이너 */
.footer-grid{
  max-width:1120px;margin:0 auto;padding:0 16px;
  display:grid;grid-template-columns:1fr;row-gap:16px;
}

/* 정책 링크: 가운데 정렬 + hover만 브랜드 */
.policy-links{
  display:flex;justify-content:center;gap:22px;flex-wrap:wrap;text-align:center
}
.policy-links a{
  color:var(--muted);text-decoration:none;font-weight:700;
  padding:6px 10px;border-radius:8px;transition:color .18s ease, background-color .18s ease, box-shadow .18s ease
}
.policy-links a:visited{color:var(--muted)}
.policy-links a:hover{color:var(--brand);background:rgba(255,111,97,.10)}
.policy-links a:focus-visible{outline:2px solid transparent;box-shadow:0 0 0 3px var(--ring)}

/* 사업자 정보(ko 전용) */
.biz-info{
  display:block;
  padding:14px 16px;border-radius:12px;border:1px solid #e6e7eb;background:#fafafb;color:#334155
}
.biz-info .biz-title{font-weight:800;margin:0 0 8px}
.biz-info ul{list-style:none;margin:0;padding:0}
.biz-info li{margin:4px 0}

html[lang="ko"] .biz-info{display:block}
html:not([lang="ko"]) .biz-info{display:none}

/* 카피라이트 카드 */
.copyright{
  background:#fff;color:#64748b;border:1px solid #ececef;border-radius:12px;
  padding:14px 16px;text-align:center;box-shadow:0 6px 18px rgba(0,0,0,.04)
}
.copyright a{color:inherit;text-decoration:none}
.copyright a:hover{color:var(--brand)}

/* =========================
   Policy pages (밝은 배경)
   ========================= */
body.policy-page{background:#fff;color:#0f172a}
body.policy-page .site-header{background:rgba(255,255,255,.85);border-bottom:1px solid #e9e9ec}
body.policy-page .brand-name{color:var(--brand)}
body.policy-page .muted{color:#64748b}
body.policy-page main{padding:24px 0 28px}  /* 본문-푸터 간격 보장 */

body.policy-page{
  padding-left:16px;
  padding-right:16px;
}

/* 허브 헤더 */
.policy-hub .hub-hero{ text-align:center; margin:8px 0 18px }
.policy-hub .hub-hero h1{font-size:clamp(22px,3.6vw,32px);margin:0 0 6px}
.policy-hub .hub-hero p{margin:0;color:#64748b}

/* 허브 카드 그리드: 예쁘게 정렬/간격/동일 높이 */
.policy-hub .hub-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:18px;
  align-items:stretch;
}
.policy-hub .hub-card{
  display:block; height:100%;
  border:1px solid #e9e9ec; border-radius:12px;
  padding:16px 14px; background:#fff; color:inherit; text-decoration:none;
  transition:box-shadow .2s ease, transform .1s ease, border-color .2s ease;
}
.policy-hub .hub-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.06); transform:translateY(-1px); border-color:#e6e6ee}
.policy-hub .hub-card h3{margin:0 0 6px;font-size:16px; line-height:1.35}
.policy-hub .hub-card p{margin:0;color:#687086;font-size:14px;line-height:1.55}

/* =========================
   404
   ========================= */
.wrap.not-found{display:grid;place-items:center;min-height:calc(100dvh - 72px - 220px)}
.nf-card{
  width:min(720px,100%);
  background:#fff;border:1px solid #ececef;border-radius:16px;
  padding:28px 20px;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,.05)
}
.nf-actions{display:flex;gap:10px;justify-content:center;margin-top:14px}
.nf-actions .btn{box-shadow:none}

/* =========================
   Responsive tweaks
   ========================= */
@media (max-width:900px){
  .hero{gap:22px}
}

/* Force light background on small screens (mobile) */
@media (max-width: 900px){
  body:not(.policy-page){
    background:#fff;
    color:#0f172a;
    /* 라이트 토큰을 함께 고정 */
    --bg:#ffffff; --bg-2:#f8fafc; --fg:#0f172a; --muted:#475569;
    --grad:linear-gradient(180deg,#ffffff 0%,#ffffff 100%);
  }
}