:root { color: #132159; background: #eff6fe; font-family: Arial, sans-serif; line-height: 1.5; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 1000px; margin: 0 auto; padding: 48px 24px 64px; }
.brand { color: #0042ec; font-size: 32px; font-weight: 700; text-decoration: none; }
h1 { margin: 52px 0 12px; font-size: clamp(32px, 5vw, 52px); line-height: 1.1; letter-spacing: -1.5px; }
.intro { max-width: 650px; margin: 0 0 36px; color: #4773ab; font-size: 18px; }
.tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.tool { display: flex; flex-direction: column; padding: 28px; border: 1px solid #c9dcf7; border-radius: 20px; background: white; color: inherit; text-decoration: none; }
.tool:hover { border-color: #0042ec; }
.tool:focus-visible, .brand:focus-visible { outline: 3px solid #ff4d00; outline-offset: 4px; }
.number { color: #4773ab; font-size: 14px; }
h2 { margin: 16px 0 8px; font-size: 24px; }
.tool p { margin: 0 0 24px; color: #4773ab; }
.open { margin-top: auto; color: #0042ec; font-weight: 700; }
@media (max-width: 640px) { .tools { grid-template-columns: 1fr; } main { padding-top: 24px; } h1 { margin-top: 36px; } }