/* الخط الأساسي من Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;700&display=swap');

:root {
  --bg-main: #0f172a;
  --text-main: #f1f5f9;
  --accent: #38bdf8;
  --nav-bg: #1e293b;
  --nav-hover: #0ea5e9;
  --button-bg: #38bdf8;
  --button-hover: #0ea5e9;
  --border-radius: 8px;
}

body {
  font-family: 'Cairo', sans-serif;
  background: linear-gradient(to bottom, var(--bg-main), #1e293b);
  color: var(--text-main);
  margin: 0;
  padding: 0;
}

nav {
  background-color: var(--nav-bg);
  padding: 15px 0;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

nav a {
  margin: 0 15px;
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav a:hover {
  color: var(--nav-hover);
}

main {
  padding: 40px 20px;
  max-width: 700px;
  margin: auto;
  text-align: center;
}

h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

p {
  font-size: 1.2em;
  line-height: 1.6;
}

button {
  padding: 12px 25px;
  background-color: var(--button-bg);
  border: none;
  color: white;
  font-size: 1em;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover {
  background-color: var(--button-hover);
  transform: scale(1.05);
}