/* ===== CSS RESET & ROOT VARIABLES ===== */
:root {
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #6c757d;
    --accent-primary: #0066cc;
    --accent-secondary: #00b894;
    --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --border-color: #dee2e6;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

[data-theme="dark"] {
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #e0e0e0;
    --text-tertiary: #a0a0a0;
    --accent-primary: #4d9fff;
    --accent-secondary: #00e676;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --border-color: #333333;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition-smooth);
    overflow-x: hidden;
}

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

/* ===== THEME TOGGLE BUTTON ===== */
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(20deg);
}

.theme-toggle i {
    transition: var(--transition-smooth);
}

/* ===== LANGUAGE SELECTOR ===== */
.language-selector {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 1001;
}

.lang-toggle {
    width: 60px;
    height: 50px;
    border-radius: 25px;
    background: var(--accent-gradient);
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0 0.75rem;
}

.lang-toggle:hover {
    transform: scale(1.05);
}

.lang-toggle i {
    font-size: 1.1rem;
}

.current-lang {
    font-weight: 700;
    font-size: 0.85rem;
}

.lang-dropdown {
    position: absolute;
    bottom: calc(100% + 0.5rem);
    left: 0;
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition-smooth);
    z-index: 1002;
}

.language-selector.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 10px;
    transition: var(--transition-smooth);
    font-size: 0.95rem;
}

.lang-option:hover {
    background: var(--bg-secondary);
    transform: translateX(5px);
}

.lang-option .flag {
    font-size: 1.5rem;
}

.lang-option.active {
    background: var(--accent-gradient);
    color: white;
}

/* ===== SCROLL TO TOP BUTTON ===== */
.scroll-to-top {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 999;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.scroll-to-top i {
    transition: var(--transition-smooth);
}

.scroll-to-top:hover i {
    animation: bounce-up 0.6s ease-in-out infinite;
}

@keyframes bounce-up {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 999;
    transition: var(--transition-smooth);
}

[data-theme="dark"] .navbar {
    background: rgba(10, 10, 10, 0.95);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.2rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 700;
}

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

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

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

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

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

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

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.hero-shape.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-gradient);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.hero-shape.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
    bottom: -50px;
    left: -50px;
    animation-delay: 5s;
}

.hero-shape.shape-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

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

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

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

.greeting {
    display: block;
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.name {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    min-height: 60px;
}

.typing-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.cursor {
    animation: blink 1s infinite;
    color: var(--accent-primary);
}

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

.hero-description {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-3px);
}

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

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition-smooth);
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-5px);
}

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

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
}

.image-background {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse 3s infinite;
}

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

.profile-img {
    width: 100%;
    height: auto;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
    border: 5px solid var(--bg-primary);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.profile-img:hover {
    transform: scale(1.05) rotate(2deg);
    box-shadow: 0 20px 60px rgba(106, 17, 203, 0.4);
    border-color: var(--accent-primary);
}

.floating-card {
    position: absolute;
    background: var(--bg-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    animation: float 3s infinite ease-in-out;
    z-index: 10;
    border: 2px solid var(--bg-secondary);
}

.floating-card i {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.floating-card.card-1 {
    top: 5%;
    left: -15%;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 50%;
    right: -15%;
    animation-delay: 1s;
    transform: translateY(-50%);
}

.floating-card.card-3 {
    bottom: 5%;
    left: 5%;
    animation-delay: 2s;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

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

@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);
    }
}

/* ===== SECTIONS ===== */
.section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.title-number {
    font-family: 'Courier New', monospace;
    font-size: 2rem;
    color: var(--accent-primary);
    font-weight: 700;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    gap: 3rem;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
}

.highlight-text {
    font-size: 1.3rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

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

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

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
}

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

.highlight-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

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

.highlight-card i {
    font-size: 2.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.highlight-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.highlight-card p {
    color: var(--text-tertiary);
    line-height: 1.6;
}

/* ===== EXPERIENCE SECTION (TIMELINE) ===== */
.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: var(--accent-gradient);
}

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

.timeline-marker {
    position: absolute;
    left: -3.5rem;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gradient);
    border: 4px solid var(--bg-primary);
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

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

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.company-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.company-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 10px;
    background: white;
    padding: 0.5rem;
}

.company-link {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.company-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

.company-link i {
    font-size: 0.85rem;
    opacity: 0.8;
}

.inline-link {
    color: var(--accent-primary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition-smooth);
    font-weight: 600;
}

.inline-link:hover {
    color: var(--accent-secondary);
    border-bottom-color: var(--accent-secondary);
}

/* Theme-based logo switching */
.theme-logo-light {
    display: block;
}

.theme-logo-dark {
    display: none;
}

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

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

.timeline-header h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.timeline-header h4 {
    font-size: 1.1rem;
    color: var(--accent-primary);
    font-weight: 500;
}

.timeline-date {
    padding: 0.5rem 1rem;
    background: var(--accent-gradient);
    color: white;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
}

.timeline-description {
    list-style: none;
    margin-bottom: 1.5rem;
}

.timeline-description li {
    margin-bottom: 0.75rem;
    padding-left: 2rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.timeline-description i {
    position: absolute;
    left: 0;
    top: 0.25rem;
    color: var(--accent-secondary);
}

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

.tech-tag {
    padding: 0.4rem 1rem;
    background: var(--bg-primary);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== EDUCATION SECTION ===== */
.education {
    background: var(--bg-secondary);
}

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

.education-category {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.category-title {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
}

.category-title i {
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.education-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 15px;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.education-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.education-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 1.5rem;
}

.education-content h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.institution {
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.location,
.specialization {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.year {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-gradient);
    color: white;
    border-radius: 15px;
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.certification-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: var(--transition-smooth);
}

.certification-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-sm);
}

.cert-badge {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-size: 1.2rem;
}

.cert-content h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cert-content p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.training-section {
    margin-top: 3rem;
}

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

.training-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

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

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

.training-header i {
    font-size: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.training-badge {
    padding: 0.4rem 0.75rem;
    background: var(--accent-gradient);
    color: white;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 700;
}

.training-card h4 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.training-location {
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.training-desc {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.training-year {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-secondary);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* ===== SKILLS SECTION ===== */
.skills-content {
    display: grid;
    gap: 3rem;
}

.skills-category h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skills-category h3 i {
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.skill-item {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

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

.skill-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--skill-color, var(--accent-primary));
}

.skill-item span {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.skill-level {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

.skill-bar {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 10px;
    transition: width 1s ease-out;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.tech-item {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.tech-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: 1.8rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item span {
    font-weight: 600;
    color: var(--text-primary);
}

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

.expertise-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

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

.expertise-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.expertise-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.expertise-card p {
    color: var(--text-tertiary);
    line-height: 1.6;
}

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

.language-item {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.language-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.language-flag {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.language-name {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.language-level {
    display: block;
    color: var(--accent-primary);
    font-weight: 600;
}

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

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
}

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

.contact-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

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

.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin: 0 auto 1.5rem;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.contact-details a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
    white-space: nowrap;
    display: inline-block;
}

.contact-details a:hover {
    text-decoration: underline;
}

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

.contact-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
}

.social-btn:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-10px) scale(1.1);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-primary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content p {
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 600;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image {
        order: -1;
    }
    
    .image-wrapper {
        max-width: 350px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-social {
        justify-content: center;
    }
    
    .about-highlights,
    .expertise-grid,
    .training-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .education-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .name {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-stats,
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-marker {
        left: -2.5rem;
    }
    
    .company-logo {
        width: 50px;
        height: 50px;
    }
    
    .about-highlights,
    .expertise-grid,
    .training-grid,
    .languages-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .language-selector {
        bottom: 1rem;
        left: 1rem;
    }
    
    .lang-toggle {
        width: 55px;
        height: 45px;
        font-size: 0.9rem;
    }
    
    .lang-toggle i {
        font-size: 1rem;
    }
    
    .current-lang {
        font-size: 0.75rem;
    }
    
    .lang-dropdown {
        min-width: 140px;
        font-size: 0.9rem;
    }
    
    .theme-toggle {
        width: 45px;
        height: 45px;
        bottom: 1rem;
        right: 1rem;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 5rem;
        right: 1rem;
    }
    
    .name {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .floating-card {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
    }
    
    .tech-stack {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== RTL SUPPORT (ARABIC) ===== */
[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

[dir="rtl"] .language-selector {
    left: auto;
    right: 2rem;
    bottom: 2rem;
}

[dir="rtl"] .lang-dropdown {
    left: auto;
    right: 0;
}

[dir="rtl"] .theme-toggle {
    right: auto;
    left: 2rem;
    bottom: 2rem;
}

[dir="rtl"] .scroll-to-top {
    right: auto;
    left: 2rem;
    bottom: 6rem;
}

[dir="rtl"] .nav {
    padding-right: 5%;
    padding-left: 5%;
}

[dir="rtl"] .nav-links {
    margin-right: auto;
    margin-left: 0;
}

[dir="rtl"] .hero-social {
    flex-direction: row-reverse;
}

[dir="rtl"] .timeline-item {
    padding-right: 3rem;
    padding-left: 0;
}

[dir="rtl"] .timeline-marker {
    right: 0;
    left: auto;
}

[dir="rtl"] .timeline::before {
    right: 0;
    left: auto;
}

[dir="rtl"] .timeline-description li {
    padding-right: 2rem;
    padding-left: 0;
}

[dir="rtl"] .timeline-description i {
    right: 0;
    left: auto;
}

[dir="rtl"] .lang-option:hover {
    transform: translateX(-5px);
}

[dir="rtl"] .stat-item {
    text-align: center;
}

[dir="rtl"] .skills-item i {
    margin-left: 0.5rem;
    margin-right: 0;
}

/* RTL responsive adjustments */
@media (max-width: 768px) {
    [dir="rtl"] .language-selector {
        right: 1rem;
        left: auto;
        bottom: 1rem;
    }
    
    [dir="rtl"] .theme-toggle {
        left: 1rem;
        right: auto;
        bottom: 1rem;
    }
    
    [dir="rtl"] .scroll-to-top {
        left: 1rem;
        right: auto;
        bottom: 5rem;
    }
}

@media (max-width: 480px) {
    [dir="rtl"] .language-selector {
        right: 1rem;
        left: auto;
        bottom: 1rem;
    }
    
    [dir="rtl"] .theme-toggle {
        left: 1rem;
        right: auto;
        bottom: 1rem;
    }
    
    [dir="rtl"] .scroll-to-top {
        left: 1rem;
        right: auto;
        bottom: 5rem;
    }
}