:root {
  --bg: #fff7ef;
  --ink: #2f2423;
  --muted: #725d5b;
  --shadow: 0 26px 60px rgba(86, 56, 44, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 18%, rgba(255, 209, 224, 0.78), transparent 20%),
    radial-gradient(circle at 84% 22%, rgba(255, 220, 153, 0.56), transparent 18%),
    radial-gradient(circle at 20% 84%, rgba(255, 234, 223, 0.86), transparent 18%),
    linear-gradient(180deg, #fffaf5, #fff0df);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.75) 1px, transparent 1px),
    linear-gradient(45deg, rgba(255, 207, 138, 0.06) 25%, transparent 25%);
  background-size: 24px 24px, 80px 80px;
  opacity: 0.7;
}

.hub-shell {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  padding: 40px 0 52px;
}

.hero-panel {
  padding: 34px 30px;
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(112, 93, 91, 0.08);
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  margin: 0;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: #9a526f;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  margin: 16px 0 12px;
  font-family: "Kiwi Maru", serif;
  font-size: clamp(2.5rem, 7vw, 4.6rem);
  font-weight: 500;
  line-height: 1.02;
}

.hero-copy {
  margin: 0;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.8;
  font-size: 1rem;
}

.adfit-section {
  margin-top: 22px;
  display: flex;
  justify-content: center;
}

.adfit-card {
  width: 250px;
  min-height: 250px;
  padding: 14px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(112, 93, 91, 0.08);
  box-shadow: var(--shadow);
}

.card-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.game-card {
  position: relative;
  overflow: hidden;
  min-height: 320px;
  padding: 28px;
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.game-card::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  pointer-events: none;
}

.hiragana-card {
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.3), transparent 24%),
    linear-gradient(160deg, #ffe8f1, #ffd4e2 48%, #ffe9cf);
}

.chinese-card {
  background:
    radial-gradient(circle at top right, rgba(255, 221, 158, 0.28), transparent 22%),
    linear-gradient(160deg, #7f1a22, #5b1218 48%, #421014);
  color: #fff5e4;
}

.arabic-card {
  background:
    radial-gradient(circle at top right, rgba(168, 224, 214, 0.22), transparent 22%),
    linear-gradient(160deg, #0e4e49, #0b3d3a 48%, #092d2b);
  color: #ecfbf6;
}

.card-tag {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: #874a64;
}

.chinese-card .card-tag {
  background: rgba(255, 224, 155, 0.12);
  color: #ffd98b;
}

.arabic-card .card-tag {
  background: rgba(185, 243, 230, 0.12);
  color: #baf1e6;
}

.game-card h2 {
  margin: 0 0 12px;
  font-family: "Kiwi Maru", serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 500;
  line-height: 1.08;
}

.game-card p {
  margin: 0;
  max-width: 420px;
  line-height: 1.8;
  color: inherit;
  opacity: 0.92;
}

.card-button {
  position: absolute;
  left: 28px;
  bottom: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 190px;
  padding: 14px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.hiragana-card .card-button {
  background: linear-gradient(135deg, #ef7ba1, #ffb280);
  color: #fff;
  box-shadow: 0 14px 24px rgba(239, 123, 161, 0.26);
}

.chinese-card .card-button {
  background: linear-gradient(135deg, #f2c25d, #df9827);
  color: #611418;
  box-shadow: 0 14px 24px rgba(29, 7, 8, 0.26);
}

.arabic-card .card-button {
  background: linear-gradient(135deg, #7be0cc, #36b6a5);
  color: #083733;
  box-shadow: 0 14px 24px rgba(5, 32, 29, 0.24);
}

.card-button:hover {
  transform: translateY(-2px);
}

@media (max-width: 820px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .game-card {
    min-height: 280px;
  }
}

@media (max-width: 560px) {
  .hub-shell {
    width: min(100% - 16px, 100%);
    padding: 18px 0 32px;
  }

  .hero-panel,
  .game-card {
    padding: 20px;
    border-radius: 26px;
  }

  .card-button {
    position: static;
    margin-top: 18px;
    width: 100%;
  }
}