/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
p, .skill-description {
  white-space: pre-line;
}
.project-image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

/* Dark Neon Theme */
:root {
    --bg-primary: #000000;
    --bg-secondary: #141414;
    --text-primary: #e4e0e0;
    --text-secondary: #ffffff;
    --neon-cyan: #ffffff;
    --neon-purple: #268c61;
    --neon-pink: #543341;
    --neon-blue: #171f28;
    --neon-green: #d0d7d4;
    --card-bg: rgba(20, 20, 20, 0.9);
    --card-bg-hover: rgba(0, 255, 255, 0.05);
    --navbar-bg: rgba(10, 10, 10, 0.95);
    --shadow: rgba(0, 255, 255, 0.3);
    --border: rgba(0, 255, 255, 0.5);
}

/* Light Neon Theme */
:root[data-theme="light"] {
    --bg-primary: #f5f5f5;
    --bg-secondary: #e8e8e8;
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --neon-cyan: #00bcd4;
    --neon-purple: #9b59b6;
    --neon-pink: #ff69b4;
    --neon-blue: #2980b9;
    --neon-green: #27ae60;
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-bg-hover: rgba(0, 188, 212, 0.05);
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --shadow: rgba(0, 0, 0, 0.1);
    --border: rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* New: Conditional background based on theme */
:root[data-theme="dark"] body {
    background-image: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 255, 0.03) 0px,
            transparent 1px,
            transparent 2px,
            rgba(0, 255, 255, 0.03) 3px
        );
}

:root[data-theme="light"] body {
    background-image: none;
}

/* Neon Text Effect */
.neon-text {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: 'Orbitron', 'Cairo', sans-serif;
    font-weight: 700;
}

:root[data-theme="dark"] .neon-text {
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

:root[data-theme="light"] .neon-text {
    text-shadow: none;
}

/* Language Support */
[lang="en"] {
    direction: ltr;
}

[lang="ar"] {
    direction: rtl;
}

/* Navigation Bar */
.navbar {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .navbar {
    box-shadow: 0 2px 20px rgba(0, 255, 255, 0.3);
}

:root[data-theme="light"] .navbar {
    box-shadow: 0 2px 10px var(--shadow);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h2 {
    font-size: 1.8rem;
    letter-spacing: 2px;
}

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

.lang-toggle,
.theme-toggle {
    background: transparent;
    border: 2px solid var(--neon-cyan);
    color: var(--neon-cyan);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .lang-toggle,
:root[data-theme="dark"] .theme-toggle {
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

:root[data-theme="light"] .lang-toggle,
:root[data-theme="light"] .theme-toggle {
    box-shadow: 0 2px 5px var(--shadow);
}

.lang-toggle:hover,
.theme-toggle:hover {
    background-color: var(--neon-cyan);
    color: var(--bg-primary);
    transform: scale(1.05);
}

:root[data-theme="dark"] .lang-toggle:hover,
:root[data-theme="dark"] .theme-toggle:hover {
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
}

:root[data-theme="light"] .lang-toggle:hover,
:root[data-theme="light"] .theme-toggle:hover {
    box-shadow: 0 4px 10px var(--shadow);
}

/* Hero Section */
.hero {
    padding: 4rem 2rem;
    min-height: 60vh;
    display: flex;
    align-items: center;
    position: relative;
}

:root[data-theme="dark"] .hero {
    background: radial-gradient(circle at center, rgba(0, 255, 255, 0.1) 0%, transparent 70%);
}

:root[data-theme="dark"] .hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.1) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.profile-section {
    display: flex;
    gap: 3rem;
    align-items: center;
    flex-wrap: wrap;
}

.profile-image {
    flex-shrink: 0;
    position: relative;
}

.profile-image img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--neon-cyan);
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .profile-image img {
    box-shadow: 
        0 0 30px rgba(0, 255, 255, 0.6),
        inset 0 0 30px rgba(0, 255, 255, 0.3);
}

:root[data-theme="light"] .profile-image img {
    box-shadow: 0 5px 20px var(--shadow);
}

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

:root[data-theme="dark"] .profile-image:hover img {
    box-shadow: 
        0 0 50px rgba(0, 255, 255, 0.8),
        inset 0 0 50px rgba(0, 255, 255, 0.4);
}

:root[data-theme="light"] .profile-image:hover img {
    box-shadow: 0 8px 30px var(--shadow);
}

.profile-info {
    flex: 1;
}

.name {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 3px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--neon-green);
    margin-bottom: 1.5rem;
}

:root[data-theme="dark"] .subtitle {
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* Skills Section */
.skills-section {
    padding: 4rem 2rem;
    position: relative;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    letter-spacing: 3px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

/* Neon Card Effect */
.neon-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

:root[data-theme="dark"] .neon-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink), var(--neon-blue));
    border-radius: 15px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(15px);
}

:root[data-theme="dark"] .neon-card:hover::before {
    opacity: 1;
}

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

:root[data-theme="dark"] .neon-card:hover {
    box-shadow: 
        0 20px 40px rgba(0, 255, 255, 0.4),
        inset 0 0 20px rgba(0, 255, 255, 0.1);
}

:root[data-theme="light"] .neon-card {
    box-shadow: 0 2px 10px var(--shadow);
}

:root[data-theme="light"] .neon-card:hover {
    box-shadow: 0 10px 30px var(--shadow);
}

.skill-icon {
    font-size: 3rem;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

:root[data-theme="dark"] .skill-icon {
    filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.5));
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--neon-cyan);
}

:root[data-theme="dark"] .skill-card h3 {
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.skill-card p {
    color: var(--text-secondary);
}

/* Skill Detail Section */
.skill-detail-section {
    padding: 4rem 2rem;
    background-color: var(--bg-secondary);
    min-height: 100vh;
    position: relative;
}

.skill-detail-section.hidden {
    display: none;
}

.skill-detail-container {
    max-width: 1200px;
    margin: 0 auto;
}

.back-button {
    background: transparent;
    color: var(--neon-cyan);
    border: 2px solid var(--neon-cyan);
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    margin-bottom: 2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .back-button {
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

:root[data-theme="light"] .back-button {
    box-shadow: 0 2px 5px var(--shadow);
}

.back-button:hover {
    background-color: var(--neon-cyan);
    color: var(--bg-primary);
    transform: translateX(-5px);
}

:root[data-theme="dark"] .back-button:hover {
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.6);
}

:root[data-theme="light"] .back-button:hover {
    box-shadow: 0 4px 10px var(--shadow);
}

[lang="en"] .back-button:hover {
    transform: translateX(5px);
}

/* Content Sections */
.content-section {
    background: var(--card-bg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    border-radius: 15px;
    border: 1px solid var(--border);
}

:root[data-theme="dark"] .content-section {
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

:root[data-theme="light"] .content-section {
    box-shadow: 0 4px 15px var(--shadow);
}

.content-section h2 {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Experience Items */
.experience-item {
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--card-bg-hover);
    border-radius: 10px;
    border-right: 4px solid var(--neon-cyan);
    transition: all 0.3s ease;
}

[lang="en"] .experience-item {
    border-right: none;
    border-left: 4px solid var(--neon-cyan);
}

.experience-item:hover {
    background: var(--card-bg-hover);
    transform: translateX(5px);
}

:root[data-theme="light"] .experience-item:hover {
    box-shadow: 0 2px 8px var(--shadow);
}

[lang="en"] .experience-item:hover {
    transform: translateX(-5px);
}

.experience-item h3 {
    color: var(--neon-green);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

:root[data-theme="dark"] .experience-item h3 {
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.experience-item img {
    max-width: 50%;
    height: auto;
    display: block;
    margin-top: 15px;
    border-radius: 8px;
}

:root[data-theme="dark"] .experience-item img {
    box-shadow: 0 4px 8px rgba(0, 255, 255, 0.2);
}

:root[data-theme="light"] .experience-item img {
    box-shadow: 0 4px 8px var(--shadow);
}

/* Project Cards */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.project-card {
    background: var(--card-bg-hover);
    padding: 1.5rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-cyan);
}

:root[data-theme="dark"] .project-card:hover {
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
}

:root[data-theme="light"] .project-card:hover {
    box-shadow: 0 8px 20px var(--shadow);
}

.project-image {
    width: 100%;
    height: 200px;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.project-card h4 {
    color: var(--neon-pink);
    margin-bottom: 0.5rem;
}

:root[data-theme="dark"] .project-card h4 {
    text-shadow: 0 0 10px rgba(255, 0, 110, 0.5);
}

/* CV Download Button */
.cv-download {
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple));
    color: #fff;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: bold;
    transition: all 0.3s ease;
    margin-top: 1.5rem;
}

:root[data-theme="dark"] .cv-download {
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.4);
}

:root[data-theme="light"] .cv-download {
    box-shadow: 0 5px 15px var(--shadow);
}

/* CV Download Button - تكملة */
.cv-download:hover {
    transform: translateY(-3px);
}

:root[data-theme="dark"] .cv-download:hover {
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.6);
}

:root[data-theme="light"] .cv-download:hover {
    box-shadow: 0 8px 25px var(--shadow);
}

/* Social Links Footer */
.social-links {
    text-align: center;
    padding: 3rem 0;
}

:root[data-theme="dark"] .social-links {
    background: rgba(20, 20, 20, 0.5);
}

:root[data-theme="light"] .social-links {
    background: var(--bg-secondary);
}

.neon-social {
    display: inline-block;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: transparent;
    color: var(--neon-cyan);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    border-radius: 50%;
    border: 2px solid var(--neon-cyan);
    transition: all 0.3s ease;
}

:root[data-theme="dark"] .neon-social {
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

:root[data-theme="light"] .neon-social {
    box-shadow: 0 2px 8px var(--shadow);
}

.neon-social:hover {
    background: var(--neon-cyan);
    transform: translateY(-5px);
}

:root[data-theme="dark"] .neon-social:hover {
    color: var(--bg-primary);
    box-shadow: 0 5px 30px rgba(0, 255, 255, 0.6);
}

:root[data-theme="light"] .neon-social:hover {
    color: #fff;
    box-shadow: 0 5px 20px var(--shadow);
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-section {
        flex-direction: column;
        text-align: center;
    }
    
    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes neonPulse {
    0%, 100% {
        text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
    }
}

:root[data-theme="dark"] .neon-text {
    animation: neonPulse 2s ease-in-out infinite;
}

:root[data-theme="light"] .neon-text {
    animation: none;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-radius: 50%;
    border-top-color: var(--neon-cyan);
    animation: spin 1s ease-in-out infinite;
}

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