:root {
  --blue-900: #060f26;
  --blue-800: #0b1a3a;
  --blue-700: #122557;
  --blue-600: #1d3486;
  --indigo: #3b2aa0;
  --accent: #5b8dff;
  --accent-2: #8a6bff;
  --text: #e9efff;
  --text-dim: #9bb0df;
  --card: rgba(255, 255, 255, 0.06);
  --card-br: rgba(255, 255, 255, 0.12);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  --radius: 18px;
  --radius-sm: 12px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  min-height: 100%;
  background: var(--blue-900);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: contain;
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(91, 141, 255, 0.25), transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(138, 107, 255, 0.22), transparent 55%),
    linear-gradient(160deg, var(--blue-900) 0%, var(--blue-800) 35%, var(--blue-700) 65%, var(--indigo) 100%);
}

.bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.04) 0 1px, transparent 1px),
    radial-gradient(circle at 70% 60%, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px);
  background-size: 3px 3px, 5px 5px;
  opacity: 0.6;
  pointer-events: none;
}

.shell {
  max-width: 880px;
  margin: 0 auto;
  padding:
    calc(var(--safe-top) + 1.25rem)
    calc(var(--safe-right) + 1rem)
    calc(var(--safe-bottom) + 1.25rem)
    calc(var(--safe-left) + 1rem);
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.hero {
  padding: 0.5rem 0.25rem 1.25rem;
}

.hero-title {
  font-size: clamp(1.75rem, 6vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(120deg, #ffffff 0%, #bcd0ff 60%, #9cb4ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  margin-top: 0.25rem;
  font-size: 0.95rem;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.85rem;
  flex: 1 0 auto;
  align-content: start;
  padding: 0.25rem 0;
}

.card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 156px;
  padding: 1rem;
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(91, 141, 255, 0.18) 0%, rgba(138, 107, 255, 0.10) 100%),
    var(--card);
  border: 1px solid var(--card-br);
  box-shadow: var(--shadow);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  -webkit-user-select: none;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(255, 255, 255, 0.15), transparent 55%);
  pointer-events: none;
}

.card:active {
  transform: scale(0.97);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.22);
}

.card-icon {
  font-size: 2.4rem;
  line-height: 1;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
}

.card-body {
  margin-top: 0.85rem;
}

.card-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.card-desc {
  margin-top: 0.2rem;
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.35;
}

.foot {
  margin-top: 1.25rem;
  padding: 0.75rem 0.25rem 0;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.8;
}

@media (min-width: 640px) {
  .grid {
    gap: 1.1rem;
  }
  .card {
    min-height: 180px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.5);
  }
}