:root {
    --primary-black: #000000;
    --primary-white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-elegant: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 40px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: 'Tajawal', 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--primary-black);
    background: var(--primary-white);
    overflow-x: hidden;
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-white);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    backdrop-filter: blur(10px);
    padding: 0 2rem;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary-black);
    font-weight: 700;
    font-size: 1.2rem;
}

.logo img {
    width: 64px;
    height: 64px;
    object-fit: contain;
}

.nav-container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-black);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--gray-600);
}

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

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

.dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--primary-white);
    min-width: 220px;
    box-shadow: var(--shadow-elegant);
    border: 1px solid var(--gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--primary-black);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-100);
}

.dropdown a:hover {
    background: var(--gray-100);
    padding-right: 2rem;
}

.language-switcher {
    position: relative;
}

.lang-button {
    background: var(--primary-black);
    color: var(--primary-white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.lang-button:hover {
    background: var(--gray-800);
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--primary-white);
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    min-width: 120px;
    box-shadow: var(--shadow-elegant);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
    list-style: none;
}

.lang-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-menu li {
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--gray-100);
}

.lang-menu li:hover {
    background: var(--gray-100);
}

.lang-menu li:last-child {
    border-bottom: none;
}

/* Footer */
.footer {
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto 3rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-white);
}

.footer-section p,
.footer-section address {
    line-height: 1.6;
    color: var(--gray-300);
    font-style: normal;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-info span {
    display: block;
    margin-bottom: 0.75rem;
}

.contact-info a {
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    color: var(--primary-white);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-white);
    color: var(--primary-black);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
}

/* Common Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 0 1rem;
        height: 70px;
    }

    .nav-links {
        display: none;
    }

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

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

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}