body { font-family: 'Inter', sans-serif; background: #f9fafb; color: #111827; margin: 0; }
.navbar { display: flex; justify-content: space-between; align-items: center; background: white; padding: 1rem 2rem; box-shadow: 0 2px 8px rgba(0,0,0,0.08); position: sticky; top: 0; }
.navbar a.logo { font-size: 1.4rem; font-weight: 700; color: #1e40af; text-decoration: none; }
.navbar nav a { margin-left: 1.5rem; color: #64748b; text-decoration: none; font-weight: 500; }
.navbar nav a:hover { color: #2563eb; }
.hero { text-align: center; max-width: 800px; margin: 5rem auto; padding: 2rem; }
.hero h1 { font-size: 2.8rem; color: #111827; margin-bottom: 1rem; }
.hero p { color: #64748b; margin-bottom: 2rem; font-size: 1.1rem; }
.btn { background: #2563eb; color: white; padding: 0.8rem 1.8rem; border-radius: 8px; border: none; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn:hover { background: #1e40af; }
.tools-section { max-width: 1100px; margin: 4rem auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 1.5rem; padding: 1rem; }
.tool-card { background: white; border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,0.08); padding: 1.5rem; transition: transform 0.2s ease; }
.tool-card:hover { transform: translateY(-4px); }
.tool-card h3 { color: #1e40af; margin-bottom: 0.5rem; }
.tool-card p { color: #475569; font-size: 0.95rem; }