:root {
    --primary-color: #0d9488; /* Teal 600 */
    --primary-dark: #0f766e; /* Teal 700 */
    --secondary-color: #20C997; /* Lighter Teal */
    --text-color: #333333;
    --bg-color: #f9fafb; /* Gray 50 */
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    font-display: swap;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* تحسين الحاوي */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* تحسين القسم العلوي (Header) */
header {
    height: 80px;
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo img {
    max-height: 40px;
}

header nav a {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s;
    margin: 0 10px;
}

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

/* تحسين الأزرار */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 700;
    transition: all 0.3s ease;
    text-decoration: none;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 9999px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
}

/* تحسين قسم البطل */
.hero {
    background: linear-gradient(135deg, #e0f2f1 0%, #b2dfdb 50%, #80cbc4 100%);
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4b5563;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* تحسين الأقسام */
.section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* Cards */
.card {
    background-color: var(--white);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background-color: #111827; /* Gray 900 */
    color: var(--white);
    padding: 3rem 0;
}

.footer a {
    color: #9ca3af; /* Gray 400 */
    transition: color 0.3s;
}

.footer a:hover {
    color: var(--white);
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    transition: transform 0.3s;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    .section-title {
        font-size: 1.75rem;
    }
}