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

:root {
    /* Light Theme Colors */
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;

    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;

    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;

    --border-color: #e5e7eb;
    --border-light: #f3f4f6;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    --gradient-secondary: linear-gradient(135deg, var(--secondary-color), #fbbf24);
    --gradient-accent: linear-gradient(135deg, var(--accent-color), #34d399);

    --font-family: 'Cairo', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;

    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;

    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Dark Theme */
[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;

    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;

    --border-color: #374151;
    --border-light: #4b5563;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.highlight {
    color: var(--primary-color);
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

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

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

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

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

/* Header */
.header {
    position: fixed;
    top: 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: all var(--transition-normal);
}

[data-theme="dark"] .header {
    background: rgba(17, 24, 39, 0.95);
}

.navbar {
    padding: var(--spacing-md) 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-logo .logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-logo h2 {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    margin: 0;
    padding: 0;
}

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

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

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.theme-toggle {
    background: none;
    border: none;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
}

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

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-text {
    order: 2;
}

.hero-image {
    order: 1;
}

.greeting {
    display: inline-block;
    background: var(--gradient-secondary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
}

.hero h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-secondary);
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
}

.hero p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.image-container {
    position: relative;
    text-align: center;
}

.image-container img {
    width: 100%;
    max-width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: var(--shadow-xl);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.float-element {
    position: absolute;
    font-size: var(--font-size-3xl);
    animation: float 6s ease-in-out infinite;
}

.float-element:nth-child(1) {
    top: 20%;
    right: -10%;
    animation-delay: 0s;
}

.float-element:nth-child(2) {
    top: 60%;
    left: -10%;
    animation-delay: 2s;
}

.float-element:nth-child(3) {
    bottom: 20%;
    right: -5%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Services Section */
.services {
    padding: 100px 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.service-card {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.service-card.featured {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.service-card.featured .service-icon {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--secondary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.service-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: inherit;
}

.service-card p {
    margin-bottom: var(--spacing-lg);
    color: inherit;
    opacity: 0.9;
}

.service-card ul {
    list-style: none;
    padding: 0;
}

.service-card li {
    padding: var(--spacing-sm) 0;
    position: relative;
    padding-right: var(--spacing-lg);
    color: inherit;
    opacity: 0.8;
}

.service-card li:before {
    content: '✓';
    position: absolute;
    right: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.service-card.featured li:before {
    color: white;
}

/* About Section */
.about {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-badge .years {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.experience-badge .text {
    font-size: var(--font-size-sm);
}

.about-text .lead {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.expertise-areas {
    margin: var(--spacing-2xl) 0;
}

.expertise-areas h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--border-radius-md);
}

.expertise-item i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

blockquote {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    border-right: 4px solid var(--primary-color);
    font-style: italic;
    font-size: var(--font-size-lg);
    margin: var(--spacing-2xl) 0;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

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

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Testimonials Section */
.testimonials {
    padding: 100px 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.testimonials-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.testimonial-card {
    display: none;
    text-align: center;
}

.testimonial-card.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.testimonial-content {
    background: var(--bg-secondary);
    padding: var(--spacing-3xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.quote-icon {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
}

.testimonial-content p {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-secondary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.rating {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
}

.rating i {
    color: var(--secondary-color);
    font-size: var(--font-size-lg);
}

.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.prev-btn, .next-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.prev-btn:hover, .next-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-sm);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dot.active {
    background: var(--primary-color);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    color: white;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

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

.cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

/* Blog Section */
.blog {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.blog-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

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

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

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

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

.blog-category {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.blog-content {
    padding: var(--spacing-xl);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.blog-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.blog-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.read-more:hover {
    gap: var(--spacing-md);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--bg-primary);
}



.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-info h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0;
}

.consultation-card {
    background: var(--gradient-accent);
    color: white;
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.consultation-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin: 0 auto var(--spacing-lg);
}

.consultation-card h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.consultation-card p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.consultation-card .btn-primary {
    background: white;
    color: var(--accent-color);
}

/* Form Styles */
.contact-form {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
}

.form-group {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    outline: none;
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group label {
    position: absolute;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    pointer-events: none;
    background: var(--bg-primary);
    padding: 0 var(--spacing-sm);
}

.form-group input:focus + label,
.form-group input:valid + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: 0;
    font-size: var(--font-size-sm);
    color: var(--primary-color);
}

.form-group textarea + label {
    top: var(--spacing-lg);
    transform: none;
}

.form-group textarea:focus + label,
.form-group textarea:valid + label {
    top: 0;
}

.contact-form button {
    width: 100%;
    justify-content: center;
    font-size: var(--font-size-lg);
    padding: var(--spacing-lg);
}

/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
}

.footer-brand h3 {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

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

.footer-social a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
    padding: 0;
}

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-copyright p {
    color: var(--text-muted);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

/* Simple Footer */
.simple-footer {
    background: var(--bg-secondary);
    padding: var(--spacing-xl) 0;
    border-top: 1px solid var(--border-color);
}

.simple-footer-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.simple-footer-content p {
    margin: 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.simple-footer-content a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.simple-footer-content a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: var(--font-size-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px) rotateY(90deg);
    }
    to {
        opacity: 1;
        transform: translateX(0) rotateY(0deg);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(37, 99, 235, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 25px rgba(37, 99, 235, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 40px rgba(37, 99, 235, 0.6);
        transform: scale(1.05);
    }
}

@keyframes timelineGlow {
    0% {
        box-shadow: 0 0 30px rgba(37, 99, 235, 0.4);
    }
    100% {
        box-shadow: 0 0 50px rgba(37, 99, 235, 0.6);
    }
}

@keyframes backgroundShift {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(20px) translateY(-20px);
    }
}

@keyframes blink {
    0%, 50% {
        border-left: 3px solid var(--primary-color);
    }
    51%, 100% {
        border-left: 3px solid transparent;
    }
}

/* Typewriter cursor effect */
.cta-content h2 {
    position: relative;
    display: inline-block;
}

.cta-content h2::after {
    content: '';
    display: inline-block;
    width: 3px;
    margin-right: 5px;
}

/* Experience Section */
.experience {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.experience-location {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
    display: block;
    margin-bottom: var(--spacing-md);
}

.experience-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

/* Vertical Line */
.experience-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 50%;
    width: 2px;
    background: var(--border-color);
    transform: translateX(50%);
}

.experience-group {
    margin-bottom: var(--spacing-3xl);
}

.experience-item {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.experience-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.experience-item:last-child {
    margin-bottom: 0;
}

/* Timeline Circle */
.experience-item::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 50%;
    transform: translate(50%, -50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 3px solid var(--bg-primary);
    z-index: 1;
}

.experience-date {
    background: var(--bg-secondary);
    color: var(--text-muted);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    box-shadow: var(--shadow-sm);
}

.experience-item:nth-child(odd) .experience-date {
    text-align: left;
}

.experience-content {
    width: 45%;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    background: var(--bg-secondary);
    box-shadow: var(--shadow-md);
}

.experience-content h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.experience-content p {
    margin-bottom: var(--spacing-lg);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }

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

    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .experience-timeline {
        max-width: 90%;
    }

    .experience-timeline::before {
        right: var(--spacing-xl);
        transform: none;
    }

    .experience-item {
        flex-direction: column;
        text-align: right;
        padding-right: var(--spacing-3xl);
    }

    .experience-item:nth-child(odd) {
        flex-direction: column;
    }

    .experience-item::before {
        top: var(--spacing-md);
        right: var(--spacing-lg);
        transform: none;
    }

    .experience-date {
        text-align: right;
        margin-bottom: var(--spacing-md);
        width: auto;
    }

    .experience-content {
        width: 100%;
    }
}

/* Skills Section */
/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .header {
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        padding: 0;
        border-bottom: 1px solid var(--border-color);
        backdrop-filter: blur(20px);
    }

    [data-theme="dark"] .header {
        background: rgba(17, 24, 39, 0.98);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        border-bottom: 1px solid var(--border-color);
    }

    .navbar {
        padding: var(--spacing-md) 0;
        border-radius: 0 0 20px 20px;
    }

    .nav-container {
        position: relative;
        padding: 0 var(--spacing-lg);
    }

    .nav-logo .logo-image {
        height: 35px;
    }

    .nav-logo h2 {
        font-size: var(--font-size-xl);
        font-weight: 700;
        background: var(--gradient-primary);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .nav-actions .cta-button {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 100px 30px 30px;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 9999;
        border-left: 1px solid var(--border-color);
        border-radius: 30px 0 0 30px;
    }

    [data-theme="dark"] .nav-menu {
        background: var(--bg-secondary);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
    }

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

    .nav-menu li {
        margin-bottom: var(--spacing-xl);
    }

    .nav-menu a {
        font-size: var(--font-size-lg);
        font-weight: 500;
        padding: var(--spacing-md) var(--spacing-lg);
        display: block;
        border-radius: var(--border-radius-lg);
        transition: all var(--transition-normal);
        position: relative;
        overflow: hidden;
    }

    .nav-menu a:hover {
        color: white;
        background: var(--gradient-primary);
        transform: translateX(-10px);
        box-shadow: var(--shadow-md);
    }

    .hamburger {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 24px;
        position: relative;
        z-index: 10000;
        padding: var(--spacing-sm);
        border-radius: var(--border-radius-md);
        transition: all var(--transition-normal);
        cursor: pointer;
        background: var(--bg-secondary);
        border: 2px solid var(--border-color);
    }

    .hamburger:hover {
        background: var(--primary-color);
        border-color: var(--primary-color);
        transform: scale(1.1);
    }

    .hamburger:hover span {
        background: white;
    }

    .hamburger span {
        width: 100%;
        height: 3px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
        transform-origin: center;
    }

    .hamburger.active {
        background: var(--primary-color);
        border-color: var(--primary-color);
        transform: rotate(180deg);
    }

    .hamburger.active span {
        background: white;
    }

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

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Overlay for mobile menu */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: -280px;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        z-index: -1;
    }

    .nav-menu.active::before {
        opacity: 1;
        visibility: visible;
    }

    .hero {
        padding: 120px 0 60px;
        text-align: center;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero-text {
        order: 1;
    }

    .hero-image {
        order: 2;
    }

    .image-container img {
        max-width: 300px;
        height: 300px;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }

    .about-image img {
        height: 350px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .hero-stats {
        flex-direction: row;
        justify-content: space-around;
        gap: var(--spacing-md);
        flex-wrap: wrap;
    }

    .stat {
        flex: 1;
        min-width: 80px;
    }

    .services,
    .about,
    .testimonials,
    .cta,
    .blog,
    .contact {
        padding: 60px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

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

    .experience-timeline::before {
        right: var(--spacing-lg);
        transform: none;
    }

    .experience-item {
        padding-right: var(--spacing-2xl);
        text-align: right;
    }

    .experience-item::before {
        right: 2px;
        top: var(--spacing-md);
    }

    .testimonial-content {
        padding: var(--spacing-xl);
    }

    .testimonial-author {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-xs: 0.7rem;
        --font-size-sm: 0.8rem;
        --font-size-base: 0.9rem;
        --font-size-lg: 1rem;
        --font-size-xl: 1.1rem;
        --font-size-2xl: 1.3rem;
        --font-size-3xl: 1.6rem;
        --font-size-4xl: 2rem;
        --font-size-5xl: 2.5rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .header {
        box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
    }

    .navbar {
        padding: 10px 0;
    }

    .nav-logo h2 {
        font-size: var(--font-size-base);
        font-weight: 700;
    }

    .nav-menu {
        width: 100%;
        right: -100%;
        padding: 70px 20px 30px;
    }

    .hamburger {
        padding: 6px;
    }

    .hamburger span {
        width: 22px;
        height: 2px;
    }

    .theme-toggle {
        font-size: var(--font-size-base);
        padding: 6px;
    }

    .hero h1 {
        font-size: 1.75rem;
        line-height: 1.3;
    }

    .hero h2 {
        font-size: 1.125rem;
        line-height: 1.4;
    }

    .hero p {
        font-size: var(--font-size-base);
        line-height: 1.6;
    }

    .section-header h2 {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .service-card,
    .testimonial-content,
    .contact-form {
        padding: var(--spacing-lg);
    }

    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
    }

    .image-container img {
        max-width: 250px;
        height: 250px;
    }

    .about-image img {
        height: 300px;
    }

    .hero-stats {
        padding: var(--spacing-lg) 0;
        margin-top: var(--spacing-lg);
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }

    .stat-label {
        font-size: var(--font-size-xs);
    }

    .btn-primary, .btn-secondary {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-sm);
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .floating-elements {
        display: none;
    }

    .experience-badge {
        position: static;
        margin-top: var(--spacing-lg);
        display: inline-block;
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .container {
        padding: 0 var(--spacing-xs);
    }

    .hero {
        padding: 80px 0 40px;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .hero h2 {
        font-size: 1rem;
    }

    .image-container img {
        max-width: 200px;
        height: 200px;
    }

    .about-image img {
        height: 250px;
    }

    .section-header h2 {
        font-size: 1.25rem;
    }

    .service-card {
        padding: var(--spacing-md);
    }

    .testimonial-content {
        padding: var(--spacing-md);
    }

    .hero-stats {
        gap: var(--spacing-xs);
    }

    .stat {
        min-width: 60px;
    }

    .nav-actions .cta-button {
        display: none;
    }

    .experience-timeline::before {
        right: var(--spacing-xs);
    }

    .experience-item::before {
        right: 2px;
        width: 8px;
        height: 8px;
    }

    .experience-item {
        padding-right: var(--spacing-lg);
    }

    .experience-date {
        font-size: var(--font-size-xs);
        padding: var(--spacing-xs);
    }

    .experience-content h4 {
        font-size: var(--font-size-md);
    }
}

/* Print Styles */
@media print {
    .header,
    .back-to-top,
    .hamburger,
    .theme-toggle {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

    .hero {
        padding: 40px 0 !important;
    }

    .services,
    .about,
    .testimonials,
    .blog,
    .contact {
        padding: 40px 0 !important;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    }

    .btn-primary,
    .btn-secondary {
        border: 2px solid;
    }
}