:root {
    --primary-color: #1a4d8c;
    --secondary-color: #25d366; /* لون واتساب */
    --text-color: #333;
    --bg-light: #f4f7f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

body {
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

/* Header */
header {
    background: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
}

.btn-call {
    background: var(--primary-color);
    color: #fff;
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(26, 77, 140, 0.8), rgba(26, 77, 140, 0.8)), url('https://images.unsplash.com/photo-1581578731548-c64695ce6958?auto=format&fit=crop&q=80&w=1000') center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
}

.hero h1 { font-size: 2.5rem; margin-bottom: 20px; }

.btn-whatsapp {
    background: var(--secondary-color);
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    display: inline-block;
    margin-top: 20px;
    transition: 0.3s;
}

/* Grid & Cards */
.services { padding: 60px 0; }
.section-title { text-align: center; margin-bottom: 40px; color: var(--primary-color); }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.card:hover { transform: translateY(-10px); }
.card i { font-size: 40px; color: var(--primary-color); margin-bottom: 15px; }

footer {
    background: #222;
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 1.8rem; }
}