:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: linear-gradient(160deg, #eef2ff 0%, var(--bg) 45%, #f8fafc 100%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  padding: 28px 20px 48px;
}

.page {
  max-width: 720px;
  margin: 0 auto;
}

.hub-nav {
  margin-bottom: 18px;
}

.hub-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
}

.hub-nav a:hover {
  color: var(--accent);
}

.landing-header {
  margin-bottom: 28px;
}

.landing-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.landing-header p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.landing-note {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.link-card {
  display: block;
  padding: 16px 16px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}

.link-card:hover {
  border-color: #93c5fd;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.08);
  transform: translateY(-1px);
}

.link-card h2 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.35;
}

.link-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.link-card .card-meta {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

@media (max-width: 560px) {
  body {
    padding: 20px 14px 36px;
  }

  .landing-header h1 {
    font-size: 1.28rem;
  }
}