:root {
  --bg: #f4f8fb;
  --card: #ffffff;
  --ink: #2b3a45;
  --muted: #5f7481;
  --brand: #8fb9de;
  --accent: #a8d5ba;
  --peach: #f6c6ae;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.hero {
  text-align: center;
  padding: 56px 0 32px;
}

.logo {
  width: 96px;
  height: 96px;
  border-radius: 26px;
  margin: 0 auto 20px;
  background: linear-gradient(150deg, var(--brand), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  box-shadow: 0 10px 30px rgba(143, 185, 222, 0.35);
}

h1 { font-size: 30px; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.tagline { color: var(--muted); font-size: 17px; margin: 0; }

.card {
  background: var(--card);
  border-radius: 20px;
  padding: 28px 30px;
  box-shadow: 0 6px 24px rgba(43, 58, 69, 0.06);
  margin-top: 24px;
}

a { color: #3f7fb3; }

.btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}
.btn.ghost { background: #e6eef6; color: var(--ink); }

.muted { color: var(--muted); font-size: 14px; }
.foot { text-align: center; margin-top: 48px; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
.back { display: inline-block; margin-bottom: 12px; font-size: 14px; }