:root {
  --bg: #0a0e1a;
  --card-bg: rgba(21, 27, 46, 0.8);
  --text: #e8eaf0;
  --muted: #9ca3af;
  --border: rgba(75, 85, 99, 0.4);
  --accent: #60a5fa;
}

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

body {
  min-height: 100vh;
  font-family: "Outfit", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 25%, rgba(59, 130, 246, 0.18), transparent 40%),
    var(--bg);
  display: flex;
  flex-direction: column;
}

.site-header,
main,
.site-footer {
  width: min(900px, 90vw);
  margin: 0 auto;
}

.site-header {
  padding: 30px 0 6px;
}

.kicker {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #cbd5e1;
}

.brand {
  font-size: clamp(1.8rem, 4.6vw, 3rem);
  line-height: 1.05;
  letter-spacing: 0.02em;
  font-weight: 700;
  background: linear-gradient(100deg, #e2e8f0 10%, #7dd3fc 48%, #60a5fa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin-top: 10px;
  max-width: 46ch;
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--muted);
}

main {
  flex: 1;
  padding: 28px 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.tool-card {
  position: relative;
  background: none;
  border: 0;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 10px 28px rgba(6, 10, 23, 0.42);
  opacity: 0;
  transform: translateY(6px);
  animation: enter 400ms ease forwards;
  transition: transform 200ms, box-shadow 200ms;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(59, 130, 246, 0.7), rgba(56, 189, 248, 0.34), rgba(59, 130, 246, 0.08));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.tool-card:hover {
  transform: translateY(2px);
  box-shadow: 0 16px 34px rgba(8, 14, 32, 0.5);
}

.tool-card:hover::before {
  background: linear-gradient(140deg, rgba(96, 165, 250, 0.88), rgba(56, 189, 248, 0.42), rgba(96, 165, 250, 0.15));
}

.tool-card h4 {
  font-size: 1rem;
  font-weight: 600;
}

.tool-card p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1;
}

.card-cta {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.site-footer {
  padding: 16px 0 24px;
  font-size: 0.78rem;
  color: var(--border);
}

@media (max-width: 640px) {
  .site-header {
    padding-top: 24px;
  }

  .tagline {
    font-size: 0.9rem;
  }
}

@keyframes enter {
  to { opacity: 1; transform: translateY(0); }
}