:root {
  --bg:#0b1020;
  --panel:#11182b;
  --panel2:#151f36;
  --line:rgba(255,255,255,.1);
  --text:#f4f7fb;
  --muted:#9ba8bc;
  --point:#4f8cff;
  --good:#2dd4bf;
}

* { box-sizing:border-box; }

body {
  margin:0;
  min-height:100vh;
  font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(circle at 20% 20%, rgba(79,140,255,.18), transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(45,212,191,.13), transparent 32%),
    linear-gradient(180deg,#08101f,#0b1020 55%,#070b14);
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
}

.wrap {
  width:100%;
  max-width:920px;
  padding:40px 24px;
  text-align:center;
}

.logo-mark {
  width:220px;
  margin:0 auto 24px;
  display:flex;
  justify-content:center;
  align-items:center;
}
.logo-mark img { width:100%; height:auto; display:block; }

.kicker {
  color:var(--good);
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
  margin-bottom:12px;
}

h1 {
  margin:0;
  font-size:46px;
  line-height:1.08;
  letter-spacing:-.06em;
}

.desc {
  margin:20px auto 34px;
  max-width:620px;
  color:var(--muted);
  font-size:17px;
  line-height:1.7;
}

.guide {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
  margin:0 auto 34px;
  max-width:720px;
}

.step {
  background:rgba(17,24,43,.82);
  border:1px solid var(--line);
  border-radius:20px;
  padding:18px 14px;
  box-shadow:0 20px 60px rgba(0,0,0,.22);
}
.step-num {
  width:28px;
  height:28px;
  margin:0 auto 10px;
  border-radius:999px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(79,140,255,.18);
  color:#bfdbfe;
  font-size:13px;
  font-weight:900;
}
.step-title { font-size:14px; font-weight:800; }
.step-text {
  margin-top:6px;
  color:var(--muted);
  font-size:12px;
  line-height:1.45;
}

.actions {
  display:flex;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
}
.btn {
  min-width:220px;
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px 22px;
  background:rgba(255,255,255,.07);
  color:#fff;
  cursor:pointer;
  font-size:15px;
  font-weight:800;
  transition:.2s;
}
.btn:hover { transform:translateY(-2px); background:rgba(255,255,255,.11); }
.btn.primary {
  background:var(--point);
  border-color:rgba(255,255,255,.18);
  box-shadow:0 16px 40px rgba(79,140,255,.32);
}
.btn.primary:hover { background:#6aa2ff; }

.footer {
  margin-top:30px;
  color:rgba(255,255,255,.5);
  font-size:12px;
  line-height:1.6;
}
.by {
  display:block;
  margin-top:4px;
  font-size:11px;
  color:rgba(255,255,255,.4);
  letter-spacing:.08em;
}

.top-brand{
  position:absolute;
  top:10px;
  right:18px;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:rgba(255,255,255,.5);
  text-decoration:none;
  z-index:20;
}
.top-brand a{
  color:rgba(255,255,255,.55);
  text-decoration:none;
}
.top-brand a:first-child{
  letter-spacing:.08em;
  font-size:16px;
  font-weight:500;
}
.top-login{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:26px;
  padding:0 10px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  background:rgba(255,255,255,.055);
  color:rgba(255,255,255,.72) !important;
  font-size:11px !important;
  font-weight:700;
  letter-spacing:0;
  cursor:pointer;
  line-height:1;
  font-family:inherit;
  text-decoration:none;
}
.top-login:hover{ background:rgba(255,255,255,.11); color:#fff!important; }
.top-logout{ border:1px solid rgba(255,255,255,.16); }

/* ===== COMMON HEADER ACTIONS ===== */
.header-actions{
  display:flex;
  align-items:center;
  gap:8px;
}

/* 기존 header-btn 사용 페이지 호환용. 새 상단 버튼은 top-login을 우선 사용. */
.header-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:26px;
  padding:0 10px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;
  background:rgba(255,255,255,.055);
  color:rgba(255,255,255,.72) !important;
  font-size:11px !important;
  font-weight:700;
  letter-spacing:0;
  cursor:pointer;
  line-height:1;
  font-family:inherit;
  text-decoration:none;
}
.header-btn:hover{ background:rgba(255,255,255,.11); color:#fff!important; }


@media(max-width:720px) {
  body { align-items:flex-start; }
  .wrap { padding:72px 18px 36px; }
  h1 { font-size:34px; }
  .desc { font-size:15px; }
  .guide { grid-template-columns:1fr; }
  .btn { width:100%; }
  .top-brand { right:12px; gap:6px; }
  .logo-mark { width:190px; }
}