:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
header {
    background-color: var(--primary);
    color: white;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: white;
}

.logo img {
    height: 50px;
    margin-left: 15px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-right: 20px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    padding: 5px 10px;
    border-radius: 4px;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--secondary);
    background-color: rgba(255,255,255,0.1);
}

/* باقي التنسيقات من التصميم السابق */