:root {
  --bg-1: #eef2f7;
  --bg-2: #e8edf5;
  --bg-3: #dde5f0;
  --card: rgba(255, 255, 255, 0.68);
  --card-strong: rgba(255, 255, 255, 0.84);
  --line: rgba(255, 255, 255, 0.78);
  --text: #111827;
  --muted: #5b6472;
  --soft: #7b8698;
  --accent: #2f6df6;
  --shadow-lg: 0 24px 60px rgba(74, 92, 128, 0.16);
  --shadow-md: 0 10px 28px rgba(74, 92, 128, 0.12);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.95), transparent 24%),
    radial-gradient(circle at 82% 16%, rgba(255,255,255,0.7), transparent 20%),
    radial-gradient(circle at 54% 90%, rgba(255,255,255,0.52), transparent 25%),
    linear-gradient(160deg, var(--bg-1) 0%, var(--bg-2) 48%, var(--bg-3) 100%);
  overflow-x: hidden;
  overflow-y: auto;
}

body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
}

body::before {
  width: 280px;
  height: 280px;
  top: -40px;
  right: -50px;
  background: rgba(190, 214, 255, 0.7);
}

body::after {
  width: 260px;
  height: 260px;
  left: -40px;
  bottom: -50px;
  background: rgba(231, 214, 255, 0.55);
}

.page {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 32px));
  margin: 0 auto;
  padding: clamp(18px, 4vw, 44px) 0 56px;
}

.hero {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--card-strong) 0%, var(--card) 100%);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(24px) saturate(1.1);
  -webkit-backdrop-filter: blur(24px) saturate(1.1);
  padding: clamp(24px, 4vw, 38px);
  margin-bottom: 20px;
}

.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.home-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 800;
  font-size: 0.94rem;
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255,255,255,0.56);
  border: 1px solid rgba(255,255,255,0.64);
  box-shadow: var(--shadow-md);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 900;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.065em;
  color: #0f172a;
}

.subtitle {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.7;
  font-size: clamp(0.96rem, 2vw, 1.08rem);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--card-strong) 0%, var(--card) 100%);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(22px) saturate(1.08);
  -webkit-backdrop-filter: blur(22px) saturate(1.08);
  padding: 20px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.card:hover {
  transform: translateY(-4px);
  filter: brightness(1.02);
  box-shadow: 0 28px 64px rgba(74, 92, 128, 0.2);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(47, 109, 246, 0.10);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 900;
  white-space: nowrap;
}

.date {
  color: var(--soft);
  font-size: 0.78rem;
  font-weight: 800;
  white-space: nowrap;
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  font-size: 1.24rem;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.72;
}

.server-list {
  font-variant-numeric: tabular-nums;
  line-height: 1.9 !important;
}

.wide {
  grid-column: span 2;
}

.placeholder {
  min-height: 70vh;
  display: grid;
  place-items: center;
}

.tool-box {
  width: min(720px, 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, var(--card-strong) 0%, var(--card) 100%);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(24px) saturate(1.1);
  padding: clamp(24px, 4vw, 38px);
  text-align: center;
}

.tool-box h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
}

.tool-box p {
  margin: 18px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.button {
  display: inline-flex;
  margin-top: 20px;
  padding: 11px 16px;
  border-radius: 999px;
  text-decoration: none;
  color: white;
  background: rgba(47, 109, 246, 0.88);
  font-weight: 900;
  box-shadow: var(--shadow-md);
}

@media (max-width: 720px) {
  .wide {
    grid-column: span 1;
  }

  .card {
    min-height: 170px;
  }

  .nav-row {
    align-items: flex-start;
    flex-direction: column;
  }
}