* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; line-height: 1.7; background: linear-gradient(135deg, #1e3c72, #2a5298); min-height: 100vh; color: #333; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
header { background: #fff; padding: 15px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 20px rgba(0,0,0,0.1); }
.logo { font-size: 24px; font-weight: 800; color: #1e3c72; text-decoration: none; }
nav a { color: #666; text-decoration: none; margin-left: 25px; }
.hero { background: linear-gradient(135deg, #1e3c72, #2a5298); padding: 60px 0; text-align: center; color: #fff; }
.hero h1 { font-size: 42px; }
main { padding: 40px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.card { background: #fff; border-radius: 16px; padding: 20px; text-align: center; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.card:hover { transform: translateY(-5px); }
.card .flag { font-size: 40px; margin-bottom: 10px; }
.card h3 { color: #1e3c72; margin-bottom: 8px; }
.card a { display: inline-block; padding: 10px 20px; background: #1e3c72; color: #fff; text-decoration: none; border-radius: 25px; margin-top: 10px; }
footer { background: #1e3c72; color: rgba(255,255,255,0.7); padding: 25px 0; text-align: center; }
.tool-page { background: #fff; border-radius: 20px; padding: 35px; margin: 30px auto; max-width: 800px; box-shadow: 0 10px 40px rgba(0,0,0,0.15); }
.tool-page h1 { color: #1e3c72; font-size: 26px; }
.tool-page .desc { color: #666; margin-bottom: 20px; }
.tool-page button { padding: 12px 25px; background: #1e3c72; color: #fff; border: none; border-radius: 25px; font-weight: 600; cursor: pointer; margin: 5px; }
.result { background: #f8f9fa; padding: 20px; border-radius: 12px; margin-top: 20px; white-space: pre-wrap; }
.back { color: #1e3c72; text-decoration: none; font-weight: 600; }