:root {
  color-scheme: light;
  --brand-blue: #2868e8;
  --brand-navy: #10233f;
  --text-muted: #65748b;
  --surface: rgba(255, 255, 255, 0.9);
  --line: rgba(16, 35, 63, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  color: var(--brand-navy);
  background:
    radial-gradient(circle at 12% 16%, rgba(40, 104, 232, 0.16), transparent 34rem),
    linear-gradient(145deg, #f8fbff 0%, #eef4fd 100%);
  font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", Arial, sans-serif;
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.hero {
  width: min(680px, 100%);
  padding: clamp(40px, 7vw, 72px);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(35, 69, 122, 0.12);
  backdrop-filter: blur(18px);
}

.brand-mark {
  width: 54px;
  height: 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-items: end;
  gap: 5px;
  margin: 0 auto 24px;
  padding: 11px;
  color: #fff;
  background: var(--brand-blue);
  border-radius: 16px;
  box-shadow: 0 12px 26px rgba(40, 104, 232, 0.3);
}

.brand-mark span {
  display: block;
  background: currentColor;
  border-radius: 4px;
}

.brand-mark span:nth-child(1) {
  height: 45%;
}

.brand-mark span:nth-child(2) {
  height: 80%;
}

.brand-mark span:nth-child(3) {
  height: 62%;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-blue);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.35rem);
  line-height: 1.18;
  letter-spacing: -0.055em;
}

.description {
  margin: 20px auto 0;
  color: var(--text-muted);
  font-size: clamp(0.98rem, 2vw, 1.08rem);
  line-height: 1.7;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 32px;
  padding: 10px 15px;
  color: #31526f;
  background: #f4f8fd;
  border: 1px solid #e4edf8;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #22a06b;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(34, 160, 107, 0.12);
}

@media (max-width: 560px) {
  .page-shell {
    padding: 18px;
  }

  .hero {
    padding: 42px 24px;
    border-radius: 22px;
  }
}