/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0b0d;
    --bg-secondary: #1a1b23;
    --bg-tertiary: #25262e;
    --text-primary: #e4e6ea;
    --text-secondary: #b3b6c0;
    --text-muted: #8b8d98;
    --accent-primary: #00d9ff;
    --accent-secondary: #ffd700;
    --accent-gradient: linear-gradient(135deg, #00d9ff 0%, #ffd700 100%);
    --border-color: #2a2b35;
    --shadow-light: rgba(0, 217, 255, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.3);
    --shadow-heavy: rgba(0, 0, 0, 0.5);
    
    /* Light Theme Colors */
    --light-bg-primary: #ffffff;
    --light-bg-secondary: #f8f9fa;
    --light-bg-tertiary: #e9ecef;
    --light-text-primary: #212529;
    --light-text-secondary: #495057;
    --light-text-muted: #6c757d;
    --light-accent-primary: #007acc;
    --light-accent-secondary: #ff6b35;
    --light-border-color: #dee2e6;
    --light-shadow-light: rgba(0, 0, 0, 0.05);
    --light-shadow-medium: rgba(0, 0, 0, 0.1);
    --light-shadow-heavy: rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* Light Theme Override */
body.light-theme {
    --bg-primary: var(--light-bg-primary);
    --bg-secondary: var(--light-bg-secondary);
    --bg-tertiary: var(--light-bg-tertiary);
    --text-primary: var(--light-text-primary);
    --text-secondary: var(--light-text-secondary);
    --text-muted: var(--light-text-muted);
    --accent-primary: var(--light-accent-primary);
    --accent-secondary: var(--light-accent-secondary);
    --border-color: var(--light-border-color);
    --shadow-light: var(--light-shadow-light);
    --shadow-medium: var(--light-shadow-medium);
    --shadow-heavy: var(--light-shadow-heavy);
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* ===== ANIMATED BACKGROUND ===== */
.stars, .stars2, .stars3 {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

body:not(.light-theme) .stars {
    background: radial-gradient(2px 2px at 20% 30%, #fff, transparent),
                radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.8), transparent),
                radial-gradient(1px 1px at 90% 40%, #fff, transparent);
    background-repeat: repeat;
    background-size: 550px 550px, 350px 350px, 250px 250px;
    animation: sparkle 50s linear infinite;
}

body:not(.light-theme) .stars2 {
    background: radial-gradient(1px 1px at 25% 25%, #00d9ff, transparent),
                radial-gradient(1px 1px at 50% 50%, rgba(255,215,0,0.6), transparent);
    background-repeat: repeat;
    background-size: 375px 375px, 425px 425px;
    animation: sparkle 100s linear infinite reverse;
}

body:not(.light-theme) .stars3 {
    background: radial-gradient(1px 1px at 75% 75%, rgba(0,217,255,0.4), transparent),
                radial-gradient(1px 1px at 15% 85%, rgba(255,215,0,0.4), transparent);
    background-repeat: repeat;
    background-size: 300px 300px, 200px 200px;
    animation: sparkle 150s linear infinite;
}

@keyframes sparkle {
    from { transform: translateY(0px); }
    to { transform: translateY(-100vh); }
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
    order: 4;
    margin-left: var(--spacing-md);
    margin-right: 0;
    position: relative;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px var(--shadow-medium);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 6px 25px var(--shadow-light);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(10, 11, 13, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.light-theme .navbar {
    background: rgba(255, 255, 255, 0.95);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px var(--shadow-medium);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    height: 70px;
    position: relative;
}

.theme-toggle {
    order: 1;
    margin-left: 0;
    margin-right: var(--spacing-md);
    position: relative;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px var(--shadow-medium);
}

.hamburger {
    order: 3;
    margin-left: var(--spacing-md);
    margin-right: 0;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-brand {
    order: 3;
    margin-right: auto;
    font-size: var(--font-size-xl);
    font-weight: 450;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    /* Remove color property if present */
}

.nav-menu {
    order: 4;
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

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

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

.nav-link:hover {
    color: var(--text-primary);
}

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

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

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

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

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

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
}

.hero-container {
    max-width: 800px;
    text-align: center;
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-xl);
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid transparent;
    background: var(--accent-gradient);
    padding: 4px;
    animation: float 6s ease-in-out infinite;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

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

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInUp 1s ease-out;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    animation: slideInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: slideInUp 1s ease-out 0.4s both;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    animation: slideInUp 1s ease-out 0.6s both;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px var(--shadow-light);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition-slow);
}

.section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    position: relative;
    color: var(--text-primary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
}

/* ===== ABOUT SECTION ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

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

/* ===== EXPERIENCE SECTION ===== */
.experience-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-gradient);
}

.experience-item {
    position: relative;
    margin-bottom: var(--spacing-2xl);
    padding-left: 100px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateX(50px);
}

.experience-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.experience-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.company-logo {
    position: absolute;
    left: -15px;
    top: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background: var(--bg-primary);
    border: 3px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.company-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.experience-header {
    margin-bottom: var(--spacing-lg);
    margin-left: 30px; /* Add left margin to avoid overlap with company logo */
}

.experience-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.experience-header h4 {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.experience-date, .experience-location {
    display: inline-block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.experience-achievements {
    list-style: none;
}

.experience-achievements li {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    position: relative;
    line-height: 1.6;
}

.experience-achievements li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-size: var(--font-size-sm);
}

/* ===== EXPERIENCE HIGHLIGHTS DROPDOWN ===== */
.achievements-dropdown {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s cubic-bezier(0.4,0,0.2,1), opacity 0.4s cubic-bezier(0.4,0,0.2,1);
    will-change: max-height, opacity;
}
.achievements-dropdown.open {
    max-height: 800px;
    opacity: 1;
    transition: max-height 0.7s cubic-bezier(0.4,0,0.2,1), opacity 0.5s cubic-bezier(0.4,0,0.2,1);
}
.show-highlights-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5em;
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    border: 1.5px solid var(--accent-primary);
    border-radius: var(--radius-md);
    padding: 0.4em 1.2em;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-sm);
    box-shadow: 0 2px 8px var(--shadow-light);
    transition: background 0.2s, color 0.2s, border 0.2s, box-shadow 0.2s;
}
.show-highlights-btn:hover, .show-highlights-btn.active {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-color: var(--accent-secondary);
    box-shadow: 0 4px 16px var(--shadow-light);
}
.show-highlights-btn i {
    transition: transform 0.3s;
}
.show-highlights-btn.active i {
    transform: rotate(180deg);
}

/* ===== SKILLS SECTION ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
    opacity: 0;
    transform: translateY(30px);
}

.skill-category.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.skill-category h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow-light);
}

/* ===== CERTIFICATIONS CAROUSEL ===== */
.certifications-carousel {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.carousel-container {
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    gap: var(--spacing-lg);
}

.certification-card {
    flex: 0 0 300px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    text-decoration: none;
    color: inherit;
}
.certification-card:visited,
.certification-card:active,
.certification-card:focus,
.certification-card:hover {
    text-decoration: none;
    color: inherit;
}

.certification-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.certification-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-medium);
    border-color: var(--accent-primary);
}

.cert-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.certification-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.cert-issuer {
    font-size: var(--font-size-sm);
    color: var(--accent-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.cert-date {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.cert-skills {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.carousel-btn {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: scale(1.1);
    box-shadow: 0 5px 15px var(--shadow-light);
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator.active {
    background: var(--accent-primary);
    transform: scale(1.2);
}

/* ===== EDUCATION SECTION ===== */
.education-content {
    max-width: 600px;
    margin: 0 auto;
}

.education-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition-normal);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px var(--shadow-medium);
}

.education-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.education-details h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.education-details h4 {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}

.education-details p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.education-date {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===== CONTACT SECTION ===== */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.contact-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.contact-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-medium);
    border-color: var(--accent-primary);
}

.contact-item i {
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
}

.contact-item a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

.contact-item a:hover {
    color: var(--accent-primary);
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

.contact-social-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
}

.contact-social-link:hover {
    background: var(--accent-gradient);
    color: var(--bg-primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px var(--shadow-light);
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
}

footer p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

footer i {
    color: var(--accent-secondary);
    margin: 0 var(--spacing-xs);
    animation: pulse 2s infinite;
}

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

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--spacing-2xl);
        transition: var(--transition-normal);
        border-top: 1px solid var(--border-color);
    }

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

    .hamburger {
        display: flex;
    }

    .theme-toggle {
        order: 3;
        margin-left: 0;
        margin-right: var(--spacing-md);
        width: 36px;
        height: 36px;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .experience-timeline::before {
        left: 15px;
    }

    .experience-item {
        padding-left: 60px;
    }

    .company-logo {
        left: -22px;
        width: 45px;
        height: 45px;
    }

    .experience-header {
        margin-left: 20px; /* Adjust margin for mobile */
    }

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

    .certification-card {
        flex: 0 0 280px;
    }

    .social-links {
        gap: var(--spacing-md);
    }

    .social-link {
        width: 45px;
        height: 45px;
    }

    .contact-details {
        gap: var(--spacing-md);
    }

    .contact-social {
        flex-direction: column;
        align-items: center;
    }

    .profile-image {
        width: 150px;
        height: 150px;
    }
}

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

    .section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .experience-item {
        padding: var(--spacing-lg);
        padding-left: 50px;
    }

    .experience-header {
        margin-left: 10px; /* Adjust margin for very small screens */
    }

    .certification-card {
        flex: 0 0 260px;
    }

    .profile-image {
        width: 120px;
        height: 120px;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
        margin-right: var(--spacing-sm);
    }
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* ===== SELECTION STYLING ===== */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

::-moz-selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}