/* CSS Variables for Theme Management */
:root {
    /* Light Theme Colors */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Typography */
    --font-primary: 'Cairo', 'Inter', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 1rem;
    --border-radius: 0.75rem;
    --border-radius-lg: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --border-color: #334155;
    --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-large: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-medium);
}

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

.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);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.75rem;
}

.logo-img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.light-logo {
    display: block;
}

.dark-logo {
    display: none;
}

[data-theme="dark"] .light-logo {
    display: none;
}

[data-theme="dark"] .dark-logo {
    display: block;
}

.logo-fallback {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

.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: width var(--transition-normal);
}

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

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

.theme-toggle, .language-toggle {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-primary);
    font-size: 1rem;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover, .language-toggle:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

.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);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%233b82f6" stop-opacity="0.1"/><stop offset="100%" stop-color="%233b82f6" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="300" fill="url(%23a)"/><circle cx="800" cy="800" r="400" fill="url(%23a)"/></svg>');
    opacity: 0.5;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

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

.hero-visual {
    position: relative;
    animation: slideInRight 1s ease-out;
}

.floating-cards {
    position: relative;
    height: 400px;
}

.card {
    position: absolute;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-large);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
    animation: float 6s ease-in-out infinite;
}

.card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card i {
    font-size: 2rem;
    color: var(--primary-color);
}

.card span {
    font-weight: 600;
    text-align: center;
}

.card-1 {
    top: 0;
    left: 0;
    width: 150px;
    animation-delay: 0s;
}

.card-2 {
    top: 50px;
    right: 0;
    width: 150px;
    animation-delay: 1.5s;
}

.card-3 {
    bottom: 100px;
    left: 50px;
    width: 150px;
    animation-delay: 3s;
}

.card-4 {
    bottom: 0;
    right: 50px;
    width: 150px;
    animation-delay: 4.5s;
}

/* Sections */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.service-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-light);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    text-align: right;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-right: 1.5rem;
}

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

/* Portfolio Section */
.portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.portfolio-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-normal);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-large);
    border-color: var(--primary-color);
}

.image-container,
.video-container {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.portfolio-image,
.video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.image-container:hover .portfolio-image,
.video-container:hover video {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.image-container:hover .image-overlay {
    opacity: 1;
}

.image-controls {
    position: absolute;
    bottom: 15px;
    right: 15px;
    display: flex;
    gap: 10px;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: auto;
}

.image-container:hover .image-controls {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.8);
}

.play-button:hover {
    background: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.play-button i {
    font-size: 2rem;
    color: var(--text-primary);
    margin-left: 4px; /* Adjust for play icon centering */
}

.play-button:hover i {
    color: white;
}

.control-btn {
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

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

.control-btn i {
    font-size: 1rem;
}

.fullscreen-btn {
    pointer-events: auto;
}

.portfolio-info {
    padding: 2rem;
}

.portfolio-info h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--bg-secondary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Hide default video controls */
video::-webkit-media-controls {
    display: none !important;
}

video::-webkit-media-controls-panel {
    display: none !important;
}

video::-webkit-media-controls-play-button {
    display: none !important;
}

video::-webkit-media-controls-timeline {
    display: none !important;
}

video::-webkit-media-controls-current-time-display,
video::-webkit-media-controls-time-remaining-display {
    display: none !important;
}

video::-webkit-media-controls-volume-slider {
    display: none !important;
}

video::-webkit-media-controls-mute-button {
    display: none !important;
}

video::-webkit-media-controls-fullscreen-button {
    display: none !important;
}

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

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

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

.tech-stack h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.tech-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

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

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

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 600px;
    width: 100%;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.contact-item i {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.25rem;
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.whatsapp-item {
    position: relative;
}

.whatsapp-btn {
    position: absolute;
    left: 1.5rem;
    background: #25D366;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

.whatsapp-btn::before {
    content: "💬";
    font-size: 1rem;
}

.whatsapp-item i {
    background: #25D366;
    color: white;
}


/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-logo .logo-img {
    height: 45px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
}

.footer-logo .logo-fallback {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

.footer-section ul li a:hover {
    color: var(--primary-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

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

/* RTL Support */
[dir="rtl"] .hero-container {
    grid-template-columns: 1fr 1fr;
}

[dir="rtl"] .about-content {
    grid-template-columns: 1fr 1fr;
}

[dir="rtl"] .contact-content {
    grid-template-columns: 1fr 1fr;
}

[dir="rtl"] .service-features {
    text-align: right;
}

[dir="rtl"] .service-features li {
    padding-right: 1.5rem;
    padding-left: 0;
}

[dir="rtl"] .service-features li::before {
    right: 0;
    left: auto;
}

[dir="rtl"] .form-group label {
    right: 1rem;
    left: auto;
}

[dir="rtl"] .form-group input:focus + label,
[dir="rtl"] .form-group textarea:focus + label,
[dir="rtl"] .form-group input:not(:placeholder-shown) + label,
[dir="rtl"] .form-group textarea:not(:placeholder-shown) + label {
    right: 0.75rem;
    left: auto;
}

/* 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;
        padding-top: 2rem;
        transition: left var(--transition-normal);
        border-top: 1px solid var(--border-color);
    }

    .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);
    }

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

    .hero-visual {
        order: -1;
    }

    .floating-cards {
        height: 300px;
    }

    .card {
        width: 120px !important;
        padding: 1rem;
    }

    .card i {
        font-size: 1.5rem;
    }

    .card span {
        font-size: 0.875rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

    .contact-content {
        padding: 0 1rem;
    }

    .contact-info {
        gap: 1.5rem;
    }

    .contact-item {
        padding: 1.25rem;
        gap: 1rem;
    }

    .contact-item i {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .contact-item h4 {
        font-size: 1.1rem;
    }

    .contact-item p {
        font-size: 1rem;
    }

    .whatsapp-btn {
        position: static;
        margin-top: 1rem;
        align-self: flex-start;
    }

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

    .hero-buttons {
        justify-content: center;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .logo-img {
        height: 45px;
        max-width: 160px;
    }

    .portfolio-gallery {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .image-container,
    .video-container {
        height: 250px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }

    .hero {
        padding: 6rem 0 3rem;
    }

    section {
        padding: 3rem 0;
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .floating-cards {
        height: 250px;
    }

    .card {
        width: 100px !important;
        padding: 0.75rem;
    }

    .card i {
        font-size: 1.25rem;
    }

    .card span {
        font-size: 0.75rem;
    }

    .logo-img {
        height: 40px;
        max-width: 140px;
    }

    .image-container,
    .video-container {
        height: 200px;
    }

    .portfolio-info {
        padding: 1.5rem;
    }

    .portfolio-info h3 {
        font-size: 1.25rem;
    }

    .play-button {
        width: 60px;
        height: 60px;
    }

    .play-button i {
        font-size: 1.5rem;
    }

    .whatsapp-btn {
        font-size: 0.8rem;
        padding: 0.6rem 1.2rem;
    }

    .video-controls {
        bottom: 10px;
        right: 10px;
    }

    .control-btn {
        width: 35px;
        height: 35px;
    }

    .control-btn i {
        font-size: 0.875rem;
    }

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

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.theme-toggle:focus,
.language-toggle:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading animation for theme switch */
.theme-toggle.loading {
    animation: spin 1s linear infinite;
}

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