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

html {
    scroll-behavior: smooth;
}

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

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

section {
    padding: 80px 0;
}

h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    color: #2c3e50;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #3498db;
}

/* Navigation */
nav {
    background-color: #2c3e50;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #3498db;
}

.menu-toggle {
    display: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
#hero {
    padding-top: 150px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

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

.profile-img-container {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.profile-img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
    cursor: pointer;
}

.profile-img:hover {
    transform: scale(1.1);
    border-color: white;
}

.hero-text {
    flex: 2;
    min-width: 300px;
    padding: 20px;
}

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

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.skill {
    margin-bottom: 20px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-bar {
    height: 10px;
    background-color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background-color: #3498db;
    border-radius: 10px;
    opacity: 0;
    transition: width 1s ease-in-out;
}

/* Projects Section */
.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    margin-bottom: 10px;
    font-size: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    overflow-y: auto;
    padding: 20px;
}

.modal-content {
    background-color: white;
    max-width: 900px;
    margin: 50px auto;
    border-radius: 10px;
    padding: 30px;
    position: relative;
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: #777;
}

.modal-header {
    margin-bottom: 20px;
}

.modal-body {
    margin-bottom: 30px;
}

.project-media {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.project-media img, .project-media video {
    width: 100%;
    border-radius: 5px;
}

.project-links {
    margin-top: 20px;
}

.project-links a {
    display: inline-block;
    margin-right: 15px;
    color: #3498db;
    text-decoration: none;
}

/* Experience Section */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background-color: #3498db;
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    padding: 20px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.timeline-date {
    font-weight: bold;
    color: #3498db;
    margin-bottom: 10px;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.contact-form {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: #2c3e50;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-info h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.contact-info {
    list-style: none;
}

.contact-info li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.contact-info i {
    margin-right: 10px;
    color: #3498db;
    font-size: 1.2rem;
}

.social-links {
    display: flex;
    margin-top: 20px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    margin-right: 10px;
    transition: background-color 0.3s;
}

.social-links a:hover {
    background-color: #3498db;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {

    .skills-container {
        gap: 20px;
    }
    
    .skill {
        margin-bottom: 15px;
    }
    
    /* تحسينات للأشرطة على الهواتف */
    .skill-bar {
        height: 12px; /* زيادة الارتفاع قليلاً للهواتف */
    }

    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: #2c3e50;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: left 0.3s;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text p {
        margin: 0 auto 30px;
    }
    
    .timeline::after {
        left: 31px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
}