:root {
    --primary-color: #1a2e5c;
    --secondary-color: #2d4a7c;
    --accent-color: #008B8B;
    --teal-green: #20B2AA;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', 'Cairo', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

body[dir="rtl"] {
    font-family: 'Cairo', sans-serif;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Language Selector */
.language-selector {
    display: flex;
    gap: 5px;
    background: var(--bg-light);
    padding: 5px;
    border-radius: 25px;
    margin-left: 20px;
    align-items: center;
}

body[dir="rtl"] .language-selector {
    margin-left: 0;
    margin-right: 20px;
}

.lang-btn {
    padding: 6px 14px;
    border: none;
    background: transparent;
    color: var(--text-dark);
    cursor: pointer;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 13px;
    min-width: 35px;
}

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

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

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 999;
    padding: 15px 0;
}

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

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

.logo {
    height: 70px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--teal-green) 100%);
    color: var(--white);
    padding: 120px 0 80px;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    margin-bottom: 20px;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.3rem;
    font-weight: 300;
    opacity: 0.9;
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--teal-green);
    border-radius: 2px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: center;
    margin-bottom: 50px;
    line-height: 1.8;
}

.mission-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.mission, .vision {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission:hover, .vision:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px var(--shadow);
}

.subsection-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.subsection-text {
    font-size: 1rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* Services Section */
.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 50px;
    font-weight: 600;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 6px var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px var(--shadow);
    border-top-color: var(--teal-green);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--white);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow);
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-details a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

.footer-text {
    font-size: 0.9rem;
    opacity: 0.9;
}

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

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav {
        flex-wrap: wrap;
        gap: 15px;
        justify-content: center;
    }

    .header .container {
        flex-direction: column;
        gap: 20px;
    }

    .language-selector {
        margin-left: 0;
        margin-top: 10px;
    }

    body[dir="rtl"] .language-selector {
        margin-right: 0;
    }

    .mission-vision {
        grid-template-columns: 1fr;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }

}

@media (max-width: 480px) {
    .hero {
        padding: 100px 0 60px;
    }

    .hero-title {
        font-size: 1.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .logo {
        height: 50px;
    }
}