:root{
  color-scheme: light dark;
  --bg:#f5f7f9; --card:#ffffff; --text:#1f252a; --sub:#66727c;
  --line:#e5e9ec; --accent:#26343c; --accent2:#eef2f4; --link:#2767b1;
  --shadow:0 8px 28px rgba(29,42,50,.07);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#111417; --card:#1b1f23; --text:#edf1f3; --sub:#aab3ba;
    --line:#2b3136; --accent:#d7dfe3; --accent2:#252a2f; --link:#8ec4ff;
    --shadow:none;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;
  line-height:1.65;
}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:980px;margin:0 auto;padding:0 18px}
header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 88%,transparent);
  border-bottom:1px solid var(--line)
}
.nav{min-height:64px;display:flex;align-items:center;gap:18px}
.brand{font-weight:900;font-size:21px;color:var(--text);letter-spacing:-.02em}
.navlinks{display:flex;gap:14px;margin-left:auto;flex-wrap:wrap}
.navlinks a{font-size:14px;color:var(--sub);font-weight:650}
.hero{padding:70px 0 34px}
.eyebrow{font-size:13px;color:var(--sub);font-weight:800;letter-spacing:.08em;text-transform:uppercase}
h1{font-size:46px;line-height:1.15;margin:10px 0 14px;letter-spacing:-.04em}
h2{font-size:26px;margin:0 0 12px;letter-spacing:-.03em}
h3{font-size:19px;margin:0 0 8px}
.lead{font-size:18px;color:var(--sub);max-width:760px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);color:var(--text);font-weight:800
}
.btn.primary{background:var(--accent);color:var(--bg);border-color:transparent}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:18px;
  padding:18px;box-shadow:var(--shadow)
}
.section{padding:34px 0}
.muted{color:var(--sub)}
.note{padding:14px 16px;border-radius:14px;background:var(--accent2);font-size:14px}
.footer{margin-top:54px;padding:28px 0 42px;border-top:1px solid var(--line);font-size:13px;color:var(--sub)}
.page{padding:42px 0}
.page h1{font-size:36px}
.page h2{font-size:23px;margin-top:34px}
.page h3{margin-top:24px}
ul{padding-left:22px}
code{background:var(--accent2);padding:2px 6px;border-radius:6px}
.kv{display:grid;grid-template-columns:170px 1fr;gap:8px 16px}
hr{border:0;border-top:1px solid var(--line);margin:28px 0}
.faq details{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;margin:10px 0
}
.faq summary{font-weight:800;cursor:pointer}
.formrow{display:grid;gap:6px;margin-bottom:14px}
label{font-weight:700;font-size:14px}
input,textarea,select{
  width:100%;padding:12px 13px;border:1px solid var(--line);border-radius:12px;
  background:var(--card);color:var(--text);font:inherit
}
textarea{min-height:160px;resize:vertical}
.disabled{opacity:.55;cursor:not-allowed}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:var(--accent2);font-size:12px;font-weight:800}
@media(max-width:760px){
  .nav{align-items:flex-start;padding:14px 0;flex-direction:column}
  .navlinks{margin-left:0}
  h1{font-size:36px}
  .grid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
}

.support-toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:18px 0}
.support-list{display:grid;gap:10px}
.support-row{display:block;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.support-row:hover{text-decoration:none;border-color:color-mix(in srgb,var(--accent) 35%,var(--line))}
.support-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--sub);font-size:12px;margin-bottom:5px}
.support-title{font-weight:800}
.status{display:inline-block;padding:3px 7px;border-radius:999px;background:var(--accent2);font-size:11px;font-weight:800}
.private{font-size:11px;font-weight:800;color:var(--sub)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.46);display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}
.modal.hidden{display:none}
.modal-card{width:min(680px,100%);max-height:90vh;overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.reply{margin-top:18px;padding:14px;border-radius:14px;background:var(--accent2)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:16px}
.checkbox-row{display:flex;align-items:center;gap:8px}
.checkbox-row input{width:auto}
.small{font-size:12px}
.admin-grid{display:grid;gap:12px}
pre.wraptext{white-space:pre-wrap;font:inherit}

/* v2.4 minimal landing / responsive navigation */
.desktop-nav a + a{margin-left:14px}

.mobile-nav{display:none;position:relative}
.mobile-nav summary{
  list-style:none;cursor:pointer;border:1px solid var(--line);
  border-radius:10px;padding:8px 12px;font-size:13px;font-weight:700
}
.mobile-nav summary::-webkit-details-marker{display:none}
.mobile-nav-panel{
  position:absolute;right:0;top:44px;min-width:190px;display:grid;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  box-shadow:0 14px 34px rgba(0,0,0,.12);overflow:hidden;z-index:20
}
.mobile-nav-panel a{
  color:var(--text);text-decoration:none;padding:12px 16px;
  border-bottom:1px solid var(--line);font-size:14px
}
.mobile-nav-panel a:last-child{border-bottom:0}

.page{min-height:auto;padding-top:56px;padding-bottom:72px}

.home-minimal{min-height:calc(100vh - 64px);display:flex;flex-direction:column}
.home-hero{
  flex:1;display:flex;align-items:center;width:100%;
  padding:110px 0 132px
}
.home-hero-inner{
  max-width:920px;text-align:center;display:flex;flex-direction:column;
  align-items:center
}
.home-hero h1{
  margin:0;max-width:900px;
  font-size:clamp(38px,6vw,68px);line-height:1.12;
  letter-spacing:-.055em;font-weight:850;text-wrap:balance
}
.play-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:52px;margin-top:38px;padding:0 22px;border-radius:14px;
  background:var(--accent);color:var(--bg);font-size:15px;font-weight:800;
  border:1px solid transparent;box-shadow:var(--shadow);
  transition:transform .16s ease,opacity .16s ease
}
.play-cta:hover{text-decoration:none;transform:translateY(-1px);opacity:.92}
.play-cta span{font-size:18px;line-height:1}
.footer{margin-top:0}
.footer-inner{display:flex;justify-content:space-between;gap:16px}

@media(max-width:760px){
  .desktop-nav{display:none}
  .mobile-nav{display:block}
  .nav{align-items:center;flex-direction:row;padding:0}
  .brand{font-size:20px}
  .home-minimal{min-height:calc(100vh - 64px)}
  .home-hero{padding:76px 0 96px}
  .home-hero h1{font-size:clamp(36px,11vw,52px);line-height:1.14}
  .play-cta{width:100%;max-width:320px;margin-top:30px}
  .footer-inner{flex-direction:column;gap:2px}
  .page{padding-top:36px;padding-bottom:56px}
}

/* v2.5 landing refresh */
.landing-body{
  min-height:100vh;
  background:
    radial-gradient(900px 520px at 82% 38%, rgba(61,136,255,.11), transparent 62%),
    radial-gradient(720px 500px at 65% 85%, rgba(35,194,202,.07), transparent 64%),
    var(--bg);
}
.site-header{
  position:sticky;top:0;z-index:30;
  border-bottom:1px solid color-mix(in srgb,var(--line) 78%,transparent);
  background:color-mix(in srgb,var(--bg) 80%,transparent);
  backdrop-filter:blur(18px) saturate(140%);
}
.site-header .wrap{max-width:1180px}
.site-header .nav{min-height:72px}
.site-header .brand{
  font-size:22px;font-weight:900;letter-spacing:-.045em;
}
.site-header .navlinks{gap:28px}
.site-header .navlinks a{
  font-size:14px;font-weight:700;letter-spacing:-.015em;
}
.landing-main{min-height:calc(100vh - 72px - 76px)}
.landing-hero{min-height:calc(100vh - 148px);display:flex;align-items:center;padding:70px 0 84px}
.landing-grid{
  max-width:1180px;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);
  align-items:center;gap:72px;
}
.hero-copy{position:relative;z-index:2;padding-left:4px}
.hero-copy h1{
  max-width:650px;margin:0;
  font-size:clamp(48px,5.4vw,78px);
  line-height:1.02;letter-spacing:-.065em;font-weight:900;
  text-wrap:balance;
}
.hero-copy h1 span{
  display:block;margin-bottom:14px;
  font-size:.43em;line-height:1.05;letter-spacing:-.035em;
  color:var(--sub);font-weight:800;
}
.play-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  margin-top:36px;min-height:56px;padding:0 22px;
  border-radius:16px;background:#1f2d36;color:#fff;
  font-size:15px;font-weight:850;letter-spacing:-.02em;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 32px rgba(20,35,45,.16);
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.play-cta:hover{
  text-decoration:none;transform:translateY(-2px);
  box-shadow:0 18px 38px rgba(20,35,45,.22);background:#17242c;
}
.cta-arrow{font-size:17px;line-height:1;opacity:.9}
.hero-art{position:relative;min-height:500px;display:flex;align-items:center;justify-content:center}
.icon-stage{
  position:relative;z-index:2;width:min(460px,92%);aspect-ratio:1;
  border-radius:31%;padding:18px;
  transform:rotate(2.2deg);
  filter:drop-shadow(0 34px 46px rgba(10,64,145,.22));
}
.icon-stage::before{
  content:"";position:absolute;inset:9%;z-index:-1;border-radius:36%;
  background:linear-gradient(145deg,rgba(53,153,255,.24),rgba(37,215,211,.09));
  filter:blur(36px);
}
.icon-stage img{
  width:100%;height:100%;display:block;object-fit:cover;border-radius:28%;
}
.hero-orb{position:absolute;border-radius:50%;filter:blur(.2px);pointer-events:none}
.hero-orb-a{
  width:390px;height:390px;right:10px;top:38px;
  border:1px solid rgba(52,119,223,.13);
  box-shadow:inset 0 0 80px rgba(55,137,255,.045);
}
.hero-orb-b{
  width:160px;height:160px;left:22px;bottom:38px;
  background:linear-gradient(135deg,rgba(45,190,210,.08),rgba(71,124,241,.04));
}
.landing-footer{margin-top:0;padding:24px 0 28px;border-top:1px solid color-mix(in srgb,var(--line) 82%,transparent)}
.landing-footer .wrap{max-width:1180px}

@media (prefers-color-scheme:dark){
  .landing-body{
    background:
      radial-gradient(900px 520px at 82% 38%, rgba(61,136,255,.15), transparent 62%),
      radial-gradient(720px 500px at 65% 85%, rgba(35,194,202,.08), transparent 64%),
      var(--bg);
  }
  .play-cta{background:#e8eef2;color:#111820;border-color:transparent;box-shadow:none}
  .play-cta:hover{background:#fff}
}

@media(max-width:900px){
  .landing-grid{grid-template-columns:1fr;gap:24px;text-align:center}
  .hero-copy{display:flex;flex-direction:column;align-items:center;padding-left:0}
  .hero-copy h1{max-width:760px}
  .hero-art{min-height:380px;order:-1}
  .icon-stage{width:min(330px,72vw)}
  .hero-orb-a{width:300px;height:300px;right:50%;transform:translateX(50%);top:24px}
  .hero-orb-b{display:none}
  .landing-hero{padding:48px 0 72px}
}

@media(max-width:760px){
  .site-header .nav{min-height:64px}
  .landing-main{min-height:calc(100vh - 64px - 74px)}
  .landing-hero{min-height:auto;padding:34px 0 56px}
  .landing-grid{gap:18px}
  .hero-art{min-height:300px}
  .icon-stage{width:min(270px,72vw);padding:10px}
  .hero-copy h1{font-size:clamp(42px,12vw,58px);line-height:1.04}
  .hero-copy h1 span{margin-bottom:10px;font-size:.42em}
  .play-cta{width:auto;min-width:240px;max-width:100%;margin-top:28px}
  .landing-footer .footer-inner{flex-direction:row;justify-content:space-between}
}

/* v2.7 hero refinement */
.hero-copy h1,
.hero h1 {
  font-size: clamp(2.2rem, 3.6vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .hero-copy h1,
  .hero h1 {
    font-size: clamp(2rem, 8vw, 3.2rem);
    white-space: normal;
  }
}