* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --bg: #eef6ff;
  --bg-accent: #dff1ff;
  --panel: rgba(255, 255, 255, 0.96);
  --panel-soft: rgba(245, 250, 255, 0.96);
  --line: #c9dceb;
  --text: #18324e;
  --muted: #496682;
  --accent: #1f8ed2;
  --accent-strong: #13639d;
  --shadow: 0 22px 48px rgba(26, 58, 91, 0.12);
}

body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(98, 195, 255, 0.2), transparent 28%),
    linear-gradient(180deg, var(--bg) 0%, #f7fbff 100%);
}

a {
  color: var(--accent-strong);
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 72px;
}

.hero {
  display: grid;
  gap: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, var(--panel) 0%, var(--panel-soft) 100%);
  box-shadow: var(--shadow);
}

.eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.hero h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.04;
}

.hero p {
  margin: 0;
  max-width: 780px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.top-actions,
.pill-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button-link,
.pill-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.button-link.primary {
  border-color: #0f6299;
  background: linear-gradient(135deg, #1f8ed2 0%, #5bc3ff 100%);
  color: #fff;
}

.layout {
  display: grid;
  gap: 20px;
  margin-top: 24px;
}

.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.card h2,
.card h3,
.card h4 {
  margin: 0 0 10px;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.75;
}

.card ul,
.card ol {
  margin: 0;
  padding-left: 20px;
}

.two-col,
.three-col {
  display: grid;
  gap: 16px;
}

.two-col {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.callout {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid #b8d9ef;
  background: #ecf8ff;
  color: #25567d;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fbfdff;
}

.timeline-item time {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent-strong);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fbfdff;
}

.faq-item strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.footer {
  margin-top: 24px;
  color: #5c7690;
  font-size: 14px;
  text-align: center;
}

@media (max-width: 800px) {
  .shell {
    width: min(100% - 20px, 1080px);
    padding: 18px 0 44px;
  }

  .hero,
  .card {
    padding: 18px;
    border-radius: 20px;
  }

  .hero p {
    font-size: 16px;
  }

  .two-col,
  .three-col {
    grid-template-columns: 1fr;
  }

  .top-actions,
  .pill-nav {
    flex-direction: column;
  }

  .button-link,
  .pill-nav a {
    width: 100%;
  }
}