/* القواعد العامة والتنسيق */
body { font-family: 'Cairo', sans-serif; background:#f9f9f9; color:#333; }
.hero { text-align:center; padding:80px 20px; background:#0077cc; color:#fff; }
.projects-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px; padding:20px; }
.project-card { background:#fff; padding:20px; border-radius:10px; box-shadow:0 4px 8px rgba(0,0,0,0.1); }
.project-card h3 { color:#0077cc; margin-bottom:10px; }
.project-card button { background:#0077cc; color:#fff; padding:10px 18px; border:none; border-radius:6px; cursor:pointer; }
.project-card button:hover { background:#005fa3; }
footer { background:#1a1a1a; color:#ccc; padding:30px 20px; text-align:center; }