/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light Theme Colors */
    --primary-color: #4f46e5;
    --secondary-color: #6366f1;
    --accent-color: #8b5cf6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Dark Theme Colors */
    --dark-primary: #6366f1;
    --dark-secondary: #8b5cf6;
    --dark-accent: #a855f7;
    --dark-text-primary: #f9fafb;
    --dark-text-secondary: #d1d5db;
    --dark-bg-primary: #0f172a;
    --dark-bg-secondary: #1e293b;
    --dark-bg-tertiary: #334155;
    --dark-border-color: #475569;
    --dark-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --dark-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-arabic: 'Amiri', serif;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --primary-color: var(--dark-primary);
    --secondary-color: var(--dark-secondary);
    --accent-color: var(--dark-accent);
    --text-primary: var(--dark-text-primary);
    --text-secondary: var(--dark-text-secondary);
    --bg-primary: var(--dark-bg-primary);
    --bg-secondary: var(--dark-bg-secondary);
    --bg-tertiary: var(--dark-bg-tertiary);
    --border-color: var(--dark-border-color);
    --shadow: var(--dark-shadow);
    --shadow-lg: var(--dark-shadow-lg);
}

/* Arabic Language Support */
[dir="rtl"] {
    font-family: var(--font-arabic);
}

[dir="rtl"] .nav-menu {
    flex-direction: row-reverse;
}

[dir="rtl"] .home-content {
    flex-direction: row-reverse;
}

[dir="rtl"] .about-content {
    flex-direction: row-reverse;
}

[dir="rtl"] .contact-content {
    flex-direction: row-reverse;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
    overflow-x: hidden;
}

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

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: 10s;
}

.shape-4 {
    width: 250px;
    height: 250px;
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(120deg);
    }
    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

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

.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: var(--transition);
}

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

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.language-switcher {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: 25px;
    padding: 4px;
}

.lang-btn {
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 20px;
    transition: var(--transition);
    font-weight: 500;
}

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

.dark-mode-toggle {
    background: var(--bg-tertiary);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.dark-mode-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* Sections */
section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* Home Section */
.home-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.home-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.home-text {
    animation: slideInLeft 1s ease-out;
}

.home-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.greeting {
    display: block;
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.name {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.profession {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.home-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.home-image {
    display: flex;
    justify-content: center;
    animation: slideInRight 1s ease-out;
}

.profile-photo {
    position: relative;
    width: 350px;
    height: 400px;
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 8px solid var(--bg-primary);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.profile-photo:hover img {
    transform: scale(1.05);
}

.photo-frame {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* About Section */
.about-section {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-photo {
    width: 100%;
    max-width: 500px;
}

.about-photo img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.about-photo img:hover {
    transform: scale(1.02);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Skills Section */
.skills-section {
    background: var(--bg-secondary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.skill-item {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.skill-item span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Tools Section */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
}

.tool-item {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.tool-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.tool-item span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Programming Concepts Section */
.concepts-section {
    background: var(--bg-secondary);
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.concept-item {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.concept-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.concept-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.concept-item span {
    font-weight: 600;
    color: var(--text-primary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-primary);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(79, 70, 229, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

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

.project-link:hover {
    transform: scale(1.1);
    background: var(--primary-color);
    color: white;
}

.project-content {
    padding: 2rem;
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.project-tech span {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

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

.social-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
    pointer-events: none;
    background: var(--bg-primary);
    padding: 0 0.5rem;
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.5rem;
    left: 0.5rem;
    font-size: 0.8rem;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: var(--bg-primary);
    text-align: center;
    padding: 2rem 0;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .home-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .home-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services-grid,
    .skills-grid,
    .tools-grid,
    .concepts-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

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

    .profile-photo {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .profession {
        font-size: 1.4rem;
    }

    .home-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 250px;
    }

    .profile-photo {
        width: 250px;
        height: 250px;
    }

    .service-card,
    .contact-form {
        padding: 1.5rem;
    }
}

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    }
}

/* Print styles */
@media print {
    .navbar,
    .animated-bg,
    .btn,
    .social-links {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    section {
        page-break-inside: avoid;
    }
}