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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #F0F4F8;
  color: #0F172A;
  min-height: 100vh;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px;
}

header {
  margin-bottom: 52px;
}

.brand-name {
  font-size: 2rem;
  font-weight: 800;
  color: #00A651;
  letter-spacing: -0.5px;
}

.brand-sub {
  font-size: 0.8rem;
  color: #4B5563;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  margin-top: 6px;
}

.intro {
  color: #475569;
  font-size: 0.95rem;
  margin-bottom: 28px;
}

/* ── Tool card grid ── */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.tool-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 28px 24px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.tool-card:hover {
  box-shadow: 0 4px 24px rgba(0, 166, 81, 0.12);
  border-color: #00A651;
  transform: translateY(-2px);
}

.tool-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  line-height: 1;
}

.tool-name {
  font-size: 1rem;
  font-weight: 700;
  color: #0F172A;
  margin-bottom: 8px;
}

.tool-desc {
  font-size: 0.875rem;
  color: #64748B;
  line-height: 1.55;
}