/* ===== CSS Variables & Reset ===== */
:root {
    /* Colors */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    --gradient-glow: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    
    /* Typography */
    --font-primary: '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;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(99, 102, 241, 0.4);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    --transition-bounce: 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* ===== 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: #1f2937;
    background: #0f0f23;
    overflow-x: hidden;
    direction: rtl;
}

body.no-js {
    overflow: hidden;
}

/* ===== Loading Screen ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

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

.loading-content {
    text-align: center;
    color: white;
}

.loading-logo {
    position: relative;
    margin-bottom: 2rem;
}

.logo-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    animation: pulse 2s infinite;
    box-shadow: var(--shadow-glow-lg);
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform var(--transition-normal);
    position: absolute;
    top: 0;
    left: 0;
}

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

.loading-bar {
    width: 200px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 1rem auto;
}

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ===== Custom Cursor ===== */
.custom-cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease;
    mix-blend-mode: difference;
}

.custom-cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transition: all 0.3s ease;
    opacity: 0.5;
}

/* ===== Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(15, 15, 35, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: 1rem 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.logo-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: white;
}

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

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
}

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

.hero-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 30s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

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

.hero-text {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.badge-icon {
    font-size: 1rem;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
    min-height: 2rem;
}

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

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    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: left 0.5s;
}

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

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

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

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

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

.hero-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 100%;
    animation: card-float 6s ease-in-out infinite;
}

@keyframes card-float {
    0%, 100% { transform: translateY(0px) rotateY(0deg); }
    50% { transform: translateY(-10px) rotateY(5deg); }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-avatar {
    position: relative;
}

.avatar-image {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    font-weight: 700;
}

.avatar-status {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    background: var(--success-color);
    border: 2px solid white;
    border-radius: 50%;
}

.card-info h3 {
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: 0.25rem;
}

.card-info p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

.card-body {
    margin-bottom: 1.5rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.card-stats {
    display: flex;
    gap: 1rem;
}

.mini-stat {
    text-align: center;
    flex: 1;
}

.mini-stat-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-color);
}

.mini-stat-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: var(--font-size-sm);
    margin-bottom: 0.5rem;
}

.scroll-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== Responsive Design ===== */

/* Advanced Expertise Responsive */
@media (max-width: 1024px) {
    .advanced-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 1.2rem;
    }
    
    .advanced-card .card-3d-wrapper {
        height: 400px;
    }
    
    .advanced-card .card-front {
        padding: 1.8rem;
    }
    
    .advanced-card .card-icon {
        width: 65px;
        height: 65px;
        font-size: 1.6rem;
    }
    
    .advanced-card h3 {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .advanced-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }
    
    .advanced-card .card-3d-wrapper {
        height: auto;
        min-height: 360px;
    }
    
    .advanced-card .card-front {
        padding: 1.5rem;
    }
    
    .advanced-card h3 {
        font-size: 1.1rem;
    }
    
    .advanced-card p {
        font-size: 0.85rem;
    }
    
    .expertise-stats {
        flex-direction: row;
        gap: 0.6rem;
    }
    
    .expertise-stats .stat {
        padding: 0.6rem;
    }
    
    .expertise-stats .stat-value {
        font-size: 1rem;
    }
    
    .expertise-stats .stat-label {
        font-size: 0.6rem;
    }
}

@media (max-width: 480px) {
    .advanced-card .card-front {
        padding: 1.2rem;
    }
    
    .advanced-card .card-icon {
        width: 55px;
        height: 55px;
        font-size: 1.4rem;
    }
    
    .advanced-card h3 {
        font-size: 1rem;
    }
    
    .advanced-card p {
        font-size: 0.8rem;
    }
    
    .advanced-card .skill-tag {
        font-size: 0.7rem;
        padding: 0.3rem 0.6rem;
    }
    
    .expertise-level {
        font-size: 0.6rem;
        padding: 0.3rem 0.6rem;
    }
    
    .expertise-stats {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .expertise-stats .stat {
        padding: 0.5rem;
    }
}
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(15, 15, 35, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero-title {
        font-size: var(--font-size-4xl);
    }

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

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-actions {
        flex-direction: column;
    }
}

/* ===== About Section ===== */
.about {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
}

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

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

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

.shape-1 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: -5s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    top: 30%;
    right: 30%;
    animation-delay: -10s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    bottom: 20%;
    left: 20%;
    animation-delay: -15s;
}

.shape-5 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 60%;
    animation-delay: -7s;
}

@keyframes float-shape {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

.gradient-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
}

.gradient-waves svg {
    width: 100%;
    height: 100%;
}

.gradient-waves path {
    fill: url(#wave-gradient);
    animation: wave 10s ease-in-out infinite;
}

.gradient-waves path:nth-child(2) {
    animation-delay: -2s;
}

.gradient-waves path:nth-child(3) {
    animation-delay: -4s;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-25px); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

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

.glass-effect {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.animated-badge {
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto;
}

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

.profile-card {
    perspective: 1000px;
}

.card-3d-wrapper {
    position: relative;
    width: 100%;
    height: 400px;
    transform-style: preserve-3d;
    transition: transform var(--transition-slow);
}

.card-3d-wrapper:hover {
    transform: rotateY(10deg) rotateX(5deg);
}

.card-front {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.profile-avatar {
    margin-bottom: 1.5rem;
}

.avatar-ring {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-glow);
    animation: avatar-rotate 20s linear infinite;
}

.avatar-ring::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 50%;
    background: var(--gradient-primary);
    z-index: -1;
    opacity: 0.3;
    animation: avatar-pulse 2s ease-in-out infinite;
}

@keyframes avatar-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes avatar-pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.profile-name {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.profile-title {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

.profile-stats {
    display: flex;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-circle {
    position: relative;
    width: 60px;
    height: 60px;
    margin: 0 auto 0.5rem;
}

.stat-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.stat-circle path:first-child {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 3;
}

.stat-circle path:last-child {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 3;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: progress-circle 2s ease-in-out forwards;
}

.stat-number {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

@keyframes progress-circle {
    to {
        stroke-dashoffset: 0;
    }
}

.timeline-section {
    position: relative;
}

.timeline-track {
    position: relative;
    padding-left: 2rem;
}

.timeline-track::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-marker {
    position: absolute;
    left: -2.5rem;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 4px solid #1a1a2e;
    box-shadow: var(--shadow-glow);
}

.marker-pulse {
    position: absolute;
    top: -8px;
    left: -8px;
    width: 36px;
    height: 36px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: marker-pulse 2s ease-in-out infinite;
}

@keyframes marker-pulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

.marker-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.5rem;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    color: white;
    transition: all var(--transition-normal);
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-xl);
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.timeline-year {
    color: var(--primary-color);
    font-weight: 600;
}

.timeline-badge {
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.timeline-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

/* ===== Expertise Section ===== */
.expertise {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #16213e 0%, #0f3460 50%, #533483 100%);
    overflow: hidden;
}

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

.tech-particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: particle-float 15s linear infinite;
}

.particle:nth-child(1) { top: 10%; left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { top: 20%; right: 20%; animation-delay: -3s; }
.particle:nth-child(3) { top: 60%; left: 30%; animation-delay: -6s; }
.particle:nth-child(4) { top: 80%; right: 10%; animation-delay: -9s; }
.particle:nth-child(5) { top: 40%; left: 60%; animation-delay: -12s; }
.particle:nth-child(6) { top: 70%; right: 60%; animation-delay: -15s; }

@keyframes particle-float {
    0% { transform: translateY(0px) translateX(0px); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) translateX(50px); opacity: 0; }
}

.circuit-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
}

.expertise-showcase {
    display: grid;
    gap: 3rem;
}

.ai-showcase {
    text-align: center;
}

.ai-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    color: white;
    position: relative;
    overflow: hidden;
}

.ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0.1;
    z-index: -1;
}

.ai-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.ai-icon {
    position: relative;
}

.icon-ring {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: var(--shadow-glow);
    animation: icon-rotate 10s linear infinite;
}

@keyframes icon-rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-badge {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.ai-content h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 1rem;
}

.ai-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.ai-skills {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.skill-ring {
    position: relative;
    width: 80px;
    height: 80px;
}

.skill-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.skill-ring path:first-child {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 4;
}

.skill-ring path:last-child {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 4;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    animation: skill-progress 2s ease-in-out forwards;
}

.skill-info {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.skill-name {
    display: block;
    font-size: var(--font-size-xs);
    color: white;
    font-weight: 600;
}

.skill-percent {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 700;
}

@keyframes skill-progress {
    to {
        stroke-dashoffset: 0;
    }
}

.ai-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.ai-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.25rem;
}

.stat-details {
    text-align: left;
}

.stat-value {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

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

.expertise-card {
    perspective: 1000px;
}

.expertise-card .card-3d-wrapper {
    height: 350px;
}

.expertise-card .card-front {
    padding: 2rem;
    text-align: center;
    color: white;
}

.card-header {
    position: relative;
    margin-bottom: 1.5rem;
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin: 0 auto;
    box-shadow: var(--shadow-glow);
    transition: all var(--transition-normal);
}

.card-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.3;
    z-index: -1;
    transition: all var(--transition-normal);
}

.expertise-card:hover .card-icon {
    transform: scale(1.1);
}

.expertise-card:hover .card-glow {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.5;
}

.expertise-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 1rem;
}

.expertise-card p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.card-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.card-metric {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.metric-circle {
    position: relative;
    width: 60px;
    height: 60px;
}

.metric-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.metric-circle path:first-child {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 3;
}

.metric-circle path:last-child {
    fill: none;
    stroke: var(--accent-color);
    stroke-width: 3;
    stroke-dasharray: 100;
    stroke-dashoffset: 20;
}

.metric-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--accent-color);
}

.metric-label {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Advanced Expertise Section ===== */
.advanced-expertise {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
}

.advanced-expertise-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.advanced-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 75% 75%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
    animation: advanced-float 20s ease-in-out infinite;
}

@keyframes advanced-float {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.1); }
}

.advanced-circuit {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        linear-gradient(45deg, transparent 45%, rgba(255, 255, 255, 0.05) 50%, transparent 55%),
        linear-gradient(-45deg, transparent 45%, rgba(255, 255, 255, 0.05) 50%, transparent 55%);
    background-size: 100px 100px;
    animation: advanced-circuit-move 25s linear infinite;
}

@keyframes advanced-circuit-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.advanced-card {
    perspective: 1000px;
    position: relative;
}

.advanced-card .card-3d-wrapper {
    height: 420px;
    transform-style: preserve-3d;
    transition: transform var(--transition-normal);
}

.advanced-card:hover .card-3d-wrapper {
    transform: translateY(-8px) scale(1.02);
}

.advanced-card .card-front {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    color: white;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.advanced-card .card-front::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
}

.advanced-card:hover .card-front::before {
    opacity: 1;
}

.expertise-level {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.advanced-card .card-header {
    position: relative;
    margin-bottom: 1.5rem;
    text-align: center;
}

.advanced-card .card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    transition: all var(--transition-normal);
}

.advanced-card:hover .card-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(99, 102, 241, 0.6);
}

.advanced-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: white;
    line-height: 1.3;
}

.advanced-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    flex-grow: 1;
}

.advanced-card .card-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.5rem;
}

.advanced-card .skill-tag {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.advanced-card .skill-tag:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.expertise-stats {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    margin-top: auto;
}

.expertise-stats .stat {
    text-align: center;
    flex: 1;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    padding: 0.8rem;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.expertise-stats .stat:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.expertise-stats .stat-value {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: #fbbf24;
    margin-bottom: 0.2rem;
}

.expertise-stats .stat-label {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* ===== Projects Section ===== */
.projects {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #0f3460 0%, #533483 50%, #7209b7 100%);
    overflow: hidden;
}

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

.projects-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: projects-float 25s ease-in-out infinite;
}

@keyframes projects-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(20px) rotate(240deg); }
}

.projects-grid-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    animation: projects-grid 40s linear infinite;
}

@keyframes projects-grid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.projects-showcase {
    position: relative;
    z-index: 2;
}

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

.filter-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-normal);
    color: white;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.project-card.featured {
    grid-column: span 2;
}

.project-preview {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.project-image {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.3);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.project-actions {
    display: flex;
    gap: 1rem;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

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

.project-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-secondary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.project-stats {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    display: flex;
    gap: 1rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
}

.project-content {
    padding: 2rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-category {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.project-year {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.project-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.project-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
}

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

.tech-tag {
    background: rgba(6, 182, 212, 0.2);
    color: var(--secondary-color);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* ===== Tech Stack Section ===== */
.tech-stack {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #533483 0%, #7209b7 50%, #b5179e 100%);
    overflow: hidden;
}

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

.tech-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: tech-float 30s ease-in-out infinite;
}

@keyframes tech-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-40px) rotate(120deg); }
    66% { transform: translateY(30px) rotate(240deg); }
}

.tech-circuit {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background-image: 
        linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.1) 50%, transparent 60%),
        linear-gradient(-45deg, transparent 40%, rgba(255, 255, 255, 0.1) 50%, transparent 60%);
    background-size: 100px 100px;
    animation: circuit-move 20s linear infinite;
}

@keyframes circuit-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.tech-showcase {
    position: relative;
    z-index: 2;
}

.tech-categories {
    display: grid;
    gap: 3rem;
}

.tech-category {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.category-header {
    text-align: center;
    margin-bottom: 2rem;
}

.category-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category-header p {
    color: rgba(255, 255, 255, 0.7);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.tech-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tech-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.tech-item:hover::before {
    left: 100%;
}

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

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

.tech-info {
    flex: 1;
}

.tech-info h4 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.25rem;
}

.tech-info p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    margin-bottom: 0.75rem;
}

.tech-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.tech-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    width: 0;
    transition: width 2s ease-in-out;
}

.tech-level {
    background: var(--gradient-secondary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    white-space: nowrap;
}

/* ===== Contact Section ===== */
.contact {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #7209b7 0%, #b5179e 50%, #f72585 100%);
    overflow: hidden;
}

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

.contact-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 30% 70%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: contact-float 35s ease-in-out infinite;
}

@keyframes contact-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-50px) rotate(120deg); }
    66% { transform: translateY(40px) rotate(240deg); }
}

.contact-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background-image: 
        linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    background-size: 200px 200px;
    animation: contact-waves 15s linear infinite;
}

@keyframes contact-waves {
    0% { transform: translateX(0); }
    100% { transform: translateX(-200px); }
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    position: relative;
    z-index: 2;
}

.contact-info {
    color: white;
}

.contact-intro h3 {
    font-size: var(--font-size-3xl);
    margin-bottom: 1rem;
}

.contact-intro p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-stat {
    text-align: center;
}

.contact-stat .stat-number {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.contact-stat .stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.contact-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.25rem;
}

.contact-note {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

.social-section h4 {
    font-size: var(--font-size-lg);
    margin-bottom: 1rem;
}

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

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.social-link.linkedin:hover { background: linear-gradient(45deg, #0077b5, #00a0dc); }
.social-link.github:hover { background: linear-gradient(45deg, #333, #666); }
.social-link.twitter:hover { background: linear-gradient(45deg, #1da1f2, #0d8bd9); }
.social-link.instagram:hover { background: linear-gradient(45deg, #e4405f, #c13584); }

.contact-form {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 30px;
    padding: 3rem;
    backdrop-filter: blur(25px);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    color: white;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.contact-form:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.contact-form:hover::before {
    transform: translateX(100%);
}

.form-header {
    text-align: center;
    margin-bottom: 2rem;
}

.form-header h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 0.5rem;
}

.form-header p {
    color: rgba(255, 255, 255, 0.7);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.25rem 1rem 1.25rem 3.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.08) 100%);
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.form-group select {
    width: 100%;
    padding: 1.25rem 1rem 1.25rem 3.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.9) 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 20px;
    color: #1a202c;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(15px);
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.form-group input:hover,
.form-group textarea:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.1) 100%);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.form-group select:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.95) 100%);
    border-color: rgba(102, 126, 234, 0.5);
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(102, 126, 234, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 
        0 0 0 4px rgba(102, 126, 234, 0.1),
        0 12px 35px rgba(0, 0, 0, 0.2);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.15) 100%);
    transform: translateY(-3px);
}

.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 
        0 0 0 4px rgba(102, 126, 234, 0.2),
        0 12px 35px rgba(102, 126, 234, 0.15);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.98) 100%);
    transform: translateY(-3px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group label {
    position: absolute;
    top: 1rem;
    right: 3rem;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-normal);
    pointer-events: none;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: 0.5rem;
    right: 3rem;
    font-size: var(--font-size-xs);
    color: var(--primary-color);
}

.form-icon {
    position: absolute;
    top: 50%;
    right: 1.25rem;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.3rem;
    transition: all 0.3s ease;
    z-index: 2;
}

.form-group input:focus + label + .form-icon,
.form-group select:focus + label + .form-icon,
.form-group textarea:focus + label + .form-icon {
    color: #667eea;
    transform: translateY(-50%) scale(1.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-actions {
    text-align: center;
    margin-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* ===== Footer ===== */
.footer {
    position: relative;
    background: linear-gradient(135deg, #b5179e 0%, #f72585 50%, #7209b7 100%);
    color: white;
    overflow: hidden;
}

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

.footer-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: footer-float 40s ease-in-out infinite;
}

@keyframes footer-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-60px) rotate(120deg); }
    66% { transform: translateY(50px) rotate(240deg); }
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    padding: var(--spacing-3xl) 0;
    position: relative;
    z-index: 2;
}

.footer-brand {
    text-align: center;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-logo .logo-circle {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin: 0 auto;
    box-shadow: var(--shadow-glow);
    animation: footer-logo-pulse 3s ease-in-out infinite;
}

@keyframes footer-logo-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.footer-brand h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.footer-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-stat {
    text-align: center;
}

.footer-stat .stat-number {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.footer-stat .stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-section h4 {
    font-size: var(--font-size-lg);
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

.footer-newsletter {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: 2rem;
    margin: 2rem 0;
    backdrop-filter: blur(20px);
    position: relative;
    z-index: 2;
}

.newsletter-content {
    text-align: center;
}

.newsletter-content h4 {
    font-size: var(--font-size-xl);
    margin-bottom: 0.5rem;
}

.newsletter-content p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: white;
    backdrop-filter: blur(10px);
}

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

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
    position: relative;
    z-index: 2;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-social .social-link {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
}

.footer-note {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

/* ===== Additional Responsive Design ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .footer-sections {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card.featured {
        grid-column: span 1;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-sections {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-skills {
        flex-direction: column;
        align-items: center;
    }
    
    .ai-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
}

/* ===== تحسينات إضافية للفورم ===== */
.contact-form .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1.25rem 2.5rem;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 8px 25px rgba(102, 126, 234, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    min-width: 200px;
}

.contact-form .btn-primary::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: left 0.5s ease;
}

.contact-form .btn-primary:hover::before {
    left: 100%;
}

.contact-form .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 15px 35px rgba(102, 126, 234, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.contact-form .btn-primary:active {
    transform: translateY(-1px);
}

.contact-form .btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* تحسين تصميم النص تحت الزر */
.form-note {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.form-note:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* تحسين تصميم الصفوف */
.form-row {
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

/* تحسين المسافات */
.form-group {
    margin-bottom: 2rem;
}

/* تحسين تصميم النص */
.form-header h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-header p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ===== تحسينات خاصة للقائمة المنسدلة ===== */
.form-group select {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: none !important;
}

/* تخصيص السهم في القائمة المنسدلة */
.form-group select::-ms-expand {
    display: none;
}

/* تخصيص خيارات القائمة المنسدلة */
.form-group select option {
    background: #ffffff;
    color: #1a202c;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    margin: 2px 0;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.form-group select option:hover {
    background: #f7fafc;
    color: #1a202c;
    transform: translateX(5px);
    transition: all 0.2s ease;
}

.form-group select option:checked {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.form-group select option:focus {
    background: #e2e8f0;
    color: #1a202c;
    outline: 2px solid #667eea;
}

/* تخصيص النص الافتراضي */
.form-group select option[disabled] {
    background: #f1f5f9;
    color: #1a202c;
    font-style: italic;
    font-weight: 600;
}

/* تحسين مظهر القائمة المنسدلة عند الفتح */
.form-group select:not([size]) {
    background-image: none;
}

/* إضافة سهم مخصص للقائمة المنسدلة */
.form-group select {
    position: relative;
}

.form-group select::after {
    content: '▼';
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
    pointer-events: none;
    z-index: 3;
    transition: all 0.3s ease;
}

.form-group select:focus::after {
    color: #667eea;
    transform: translateY(-50%) rotate(180deg);
}

/* تحسين مظهر القائمة المنسدلة عند الفتح */
.form-group select:focus {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.15) 100%);
}

/* تخصيص مظهر القائمة المنسدلة في المتصفحات المختلفة */
.form-group select {
    background-image: none !important;
}

/* Firefox */
.form-group select:-moz-focusring {
    color: transparent;
    text-shadow: 0 0 0 white;
}

/* IE */
.form-group select::-ms-expand {
    display: none;
}

/* Webkit browsers */
.form-group select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* تخصيص scrollbar للقائمة المنسدلة */
.form-group select::-webkit-scrollbar {
    width: 8px;
}

.form-group select::-webkit-scrollbar-track {
    background: #2d3748;
    border-radius: 10px;
}

.form-group select::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 10px;
}

.form-group select::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}