/* ===== CSS Variables ===== */
:root {
    --primary-color: #ff6b35;
    --secondary-color: #f7931e;
    --accent-color: #ffb347;
    --whatsapp-color: #25d366;
    
    /* Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --border-color: #e2e8f0;
    
    --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 20px 60px rgba(0, 0, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-primary: 'Cairo', 'Poppins', sans-serif;
    --font-english: 'Poppins', sans-serif;
    --font-arabic: 'Cairo', sans-serif;
}

/* Dark Theme Colors */
.dark-theme {
    --bg-primary: #0f1419;
    --bg-secondary: #1a202c;
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: #2d3748;
    
    --shadow-light: 0 5px 15px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 20px 60px rgba(0, 0, 0, 0.5);
    
    --gradient-dark: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
}

/* Language-specific font families */
[lang="ar"], .arabic {
    font-family: var(--font-arabic);
}

[lang="en"], .english {
    font-family: var(--font-english);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

/* ===== Loading Screen ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hide {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    color: var(--light-color);
}

.loading-logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: loading 2s ease-in-out infinite;
}

@keyframes glow {
    from { filter: drop-shadow(0 0 20px rgba(255, 107, 53, 0.5)); }
    to { filter: drop-shadow(0 0 30px rgba(255, 107, 53, 0.8)); }
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.dark-theme .navbar {
    background: rgba(15, 20, 25, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-light);
}

.dark-theme .navbar.scrolled {
    background: rgba(15, 20, 25, 0.98);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo h2 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

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

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

.theme-toggle,
.lang-toggle,
.install-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.theme-toggle:hover,
.lang-toggle:hover,
.install-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.lang-toggle {
    font-size: 0.8rem;
    font-weight: 600;
}

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

.install-btn:hover {
    transform: translateY(-2px) scale(1.05);
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

.shape-4 {
    width: 80px;
    height: 80px;
    top: 30%;
    right: 30%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
    padding: 2rem;
}

.hero-text {
    color: var(--light-color);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    font-size: 1.2rem;
    font-weight: 400;
    opacity: 0.9;
}

.title-name {
    display: block;
    background: linear-gradient(45deg, #ff6b35, #ffb347);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.title-role {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    opacity: 0.8;
}

@keyframes shimmer {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--light-color);
    box-shadow: var(--shadow-medium);
}

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

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

.btn-secondary:hover {
    background: var(--light-color);
    color: var(--dark-color);
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

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

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

.image-container {
    position: relative;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    animation: pulse 4s ease-in-out infinite;
}

.profile-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0.2;
    transition: var(--transition);
}

.image-container:hover .image-overlay {
    opacity: 0.1;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(255, 107, 53, 0); }
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--light-color);
    z-index: 2;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--light-color);
    border-radius: 12px;
    margin: 0 auto 0.5rem;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--light-color);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Styles ===== */
section {
    padding: 5rem 0;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About Section ===== */
.about {
    background: var(--light-gray);
}

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

.about-text h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

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

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.about-image {
    position: relative;
}

.about-img-container {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.about-img-container img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
}

.decoration-circle {
    width: 80px;
    height: 80px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: 0;
    right: 0;
    animation: rotate 10s linear infinite;
}

.decoration-dots {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-image: radial-gradient(circle, var(--primary-color) 2px, transparent 2px);
    background-size: 10px 10px;
}

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

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

.skill-category {
    background: var(--light-color);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    text-align: center;
}

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

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

.skill-category h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--dark-color);
}

.skills-list {
    text-align: left;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.skill-bar {
    height: 8px;
    background: var(--light-gray);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    width: 0;
    transition: width 1.5s ease-in-out;
}

/* ===== Portfolio Section ===== */
.portfolio {
    background: var(--light-gray);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--light-color);
}

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

.portfolio-item {
    background: var(--light-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 0.9;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
}

.portfolio-content {
    text-align: center;
    color: var(--light-color);
}

.portfolio-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.portfolio-content p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

.portfolio-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.portfolio-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
}

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

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

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

.contact-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

.contact-text h4 {
    font-weight: 600;
    margin-bottom: 0.2rem;
    color: var(--dark-color);
}

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

/* WhatsApp QR Code Section */
.whatsapp-qr {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-container {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.qr-header {
    margin-bottom: 2rem;
}

.whatsapp-icon {
    width: 80px;
    height: 80px;
    background: var(--whatsapp-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 2.5rem;
    color: white;
    animation: pulse 2s infinite;
}

.qr-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.qr-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.qr-code {
    background: white;
    padding: 1rem;
    border-radius: var(--border-radius);
    margin: 2rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    border: 2px solid var(--border-color);
}

.qr-code canvas,
.qr-code img {
    max-width: 100%;
    height: auto;
}

.btn-whatsapp {
    background: var(--whatsapp-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.btn-whatsapp:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.qr-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 2rem 0;
}

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

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

.footer-social .social-link {
    background: rgba(255, 255, 255, 0.1);
}

.footer-social .social-link:hover {
    background: var(--gradient-primary);
}

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

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

    .nav-toggle {
        display: flex;
    }

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

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

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

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

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

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

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

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

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

    .skills-categories {
        grid-template-columns: 1fr;
    }

    .portfolio-filters {
        flex-direction: column;
        align-items: center;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

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

    .skill-category {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* ===== Animation Classes ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-full { width: 100%; }
.h-full { height: 100%; }