/* Modern CSS - Smooothy Inspired Design with Flexbox */

/* CSS Variables */
:root {
    /* Colors - Light Mode */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f8fafc;
    --accent-color: #06b6d4;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --background: #ffffff;
    --background-alt: #f8fafc;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Cascadia Code', monospace;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-color: #818cf8;
    --primary-dark: #6366f1;
    --secondary-color: #1e293b;
    --accent-color: #22d3ee;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --background: #0f172a;
    --background-alt: #1e293b;
    --border-color: #334155;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    /* Prevent horizontal scroll on mobile */
    overflow-x: hidden;
    /* Smooth theme transitions */
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* Prevent horizontal scroll */
    overflow-x: hidden;
    width: 100%;
    /* Smooth theme transitions */
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    /* Prevent text overflow */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.875rem);
}

p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    /* Prevent text overflow */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Container with Flexbox */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    flex-direction: column;
    /* Prevent container overflow */
    width: 100%;
    overflow-x: hidden;
}

/* Navigation with Flexbox */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    /* Ensure navbar doesn't cause horizontal scroll */
    width: 100%;
    overflow-x: hidden;
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
    /* Prevent container overflow */
    width: 100%;
    overflow-x: hidden;
}

.nav-brand a {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    /* Prevent text overflow */
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
    list-style: none;
    /* Allow menu to wrap on smaller screens */
    flex-wrap: wrap;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
    /* Prevent text overflow */
    white-space: nowrap;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

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

.cv-link {
    background: var(--primary-color);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    /* Prevent text overflow */
    white-space: nowrap;
}

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

/* Theme Toggle Switch */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: var(--space-lg);
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: transparent;
    border: none;
    color: var(--text-secondary);
}

.theme-toggle:hover {
    background: var(--background-alt);
    color: var(--primary-color);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal);
}

.theme-toggle:hover svg {
    transform: rotate(15deg);
}

.theme-toggle .sun-icon {
    display: none;
}

.theme-toggle .moon-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: none;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background);
        flex-direction: column;
        padding: var(--space-xl);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        gap: var(--space-lg);
    }
    
    [data-theme="dark"] .nav-menu {
        background: var(--background-alt);
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .theme-toggle {
        margin-left: 0;
        margin-top: var(--space-md);
        align-self: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
}

/* Hero Section with Original Background */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: #444;
    background-image: url(../img/slide-bg.jpg);
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
    /* Prevent horizontal scroll */
    width: 100%;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 2;
    /* Prevent content overflow */
    width: 100%;
    overflow-x: hidden;
    text-align: center;
}

.hero-text {
    max-width: 800px;
    /* Ensure text doesn't overflow */
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* Ensure gradient text doesn't break */
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-md);
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    /* Prevent button text overflow */
    white-space: nowrap;
    min-width: fit-content;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
}

.scroll-dot {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

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

/* Sections with Flexbox */
.section {
    padding: var(--space-3xl) 0;
    display: flex;
    flex-direction: column;
    /* Prevent section overflow */
    width: 100%;
    overflow-x: hidden;
}

.section-alt {
    background: linear-gradient(135deg, var(--background-alt) 0%, var(--border-color) 50%, var(--secondary-color) 100%);
    position: relative;
}

.section-alt::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%),
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

[data-theme="dark"] .section-alt::before {
    background: 
        linear-gradient(135deg, rgba(129, 140, 248, 0.05) 0%, rgba(34, 211, 238, 0.05) 100%),
        radial-gradient(circle at 20% 80%, rgba(129, 140, 248, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(34, 211, 238, 0.03) 0%, transparent 50%);
}

.section-alt .container {
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title {
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section with Flexbox */
.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    align-items: center;
    justify-content: center;
    /* Prevent content overflow */
    width: 100%;
}

.about-text {
    flex: 1;
    min-width: 300px;
    max-width: 600px;
}

.about-text h3 {
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    justify-content: center;
}

.stat {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.about-image {
    display: flex;
    justify-content: center;
    flex: 1;
    min-width: 300px;
}

.profile-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--background);
    transition: transform var(--transition-normal);
    /* Ensure image doesn't overflow */
    max-width: 100%;
    max-height: 100%;
    /* Force circular shape */
    aspect-ratio: 1;
    display: block;
}

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

[data-theme="dark"] .profile-image {
    border: 4px solid var(--background);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Skills Section with Flexbox */
.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2xl);
    justify-content: center;
    /* Prevent grid overflow */
    width: 100%;
}

.skill-category {
    flex: 1;
    min-width: 300px;
    max-width: 400px;
    background: var(--background);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
}

[data-theme="dark"] .skill-category {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(129, 140, 248, 0.2);
}

.skill-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .skill-category:hover {
    box-shadow: 0 16px 48px rgba(129, 140, 248, 0.25);
    border-color: rgba(129, 140, 248, 0.3);
}

.skill-category h3 {
    margin-bottom: var(--space-lg);
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    position: relative;
}

.skill-category h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.skill-name {
    font-weight: 500;
    color: var(--text-primary);
    /* Prevent text overflow */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.skill-bar {
    height: 8px;
    background: var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: var(--radius-sm);
    transition: width var(--transition-slow);
    animation: slideIn 1s ease-out;
}

@keyframes slideIn {
    from { width: 0; }
    to { width: var(--width); }
}

/* Certifications Section with Flexbox */
.certifications-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xl);
    justify-content: center;
    /* Prevent grid overflow */
    width: 100%;
}

.certification-card {
    background: var(--background);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    flex: 1;
    min-width: 250px;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Prevent card overflow */
    overflow: hidden;
}

.certification-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.cert-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: var(--space-md);
    /* Ensure logo is responsive */
    max-width: 100%;
    height: auto;
    transition: all var(--transition-normal);
}

[data-theme="dark"] .cert-logo {
    filter: brightness(0.8) contrast(1.2) invert(0.1);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .cert-logo:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.certification-card h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.certification-card p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Timeline with Flexbox */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    /* Prevent timeline overflow */
    width: 100%;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
    display: flex;
    justify-content: center;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border: 4px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 4px var(--primary-color), 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 2;
    transition: all var(--transition-normal);
}

.timeline-item:hover::before {
    background: var(--accent-color);
    box-shadow: 0 0 0 6px var(--accent-color), 0 6px 20px rgba(0, 0, 0, 0.2);
    transform: translate(-50%, -50%) scale(1.2);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: calc(50% + var(--space-xl));
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + var(--space-xl));
    margin-right: 0;
    text-align: left;
}

.timeline-content {
    background: var(--background);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.1);
    position: relative;
    flex: 1;
    max-width: 400px;
    /* Prevent content overflow */
    overflow: hidden;
    transition: all var(--transition-normal);
    border-left: 4px solid var(--primary-color);
}

[data-theme="dark"] .timeline-content {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(129, 140, 248, 0.2);
}

.timeline-content:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
    border-left-color: var(--accent-color);
    border-color: rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .timeline-content:hover {
    box-shadow: 0 16px 48px rgba(129, 140, 248, 0.25);
    border-color: rgba(129, 140, 248, 0.3);
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 8px solid transparent;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -16px;
    border-left-color: white;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -16px;
    border-right-color: white;
}

.timeline-header {
    margin-bottom: var(--space-md);
}

.timeline-header h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    font-size: 1.25rem;
}

.timeline-company {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--space-xs);
    font-size: 1rem;
}

.timeline-period {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--background-alt);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
    font-weight: 500;
}

.timeline-content p {
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.timeline-tags {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.tag {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tag:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Contact Section with Flexbox */
.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    align-items: flex-start;
    justify-content: center;
    /* Prevent content overflow */
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: center;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .contact-item {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(129, 140, 248, 0.2);
}

.contact-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
}

[data-theme="dark"] .contact-item:hover {
    box-shadow: 0 12px 40px rgba(129, 140, 248, 0.25);
    border-color: rgba(129, 140, 248, 0.3);
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.contact-item:hover::before {
    transform: scaleY(1);
}

.contact-details {
    flex: 1;
}

.contact-details h3 {
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary-color);
}

.contact-details a,
.contact-details span {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1.125rem;
    transition: color var(--transition-fast);
    /* Prevent text overflow */
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    flex: 1;
    min-width: 300px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg) var(--space-xl);
    background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: all var(--transition-normal);
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

[data-theme="dark"] .social-link {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(129, 140, 248, 0.2);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.2);
    color: white;
}

[data-theme="dark"] .social-link:hover {
    box-shadow: 0 12px 40px rgba(129, 140, 248, 0.25);
    border-color: rgba(129, 140, 248, 0.3);
}

.social-link span {
    position: relative;
    z-index: 2;
    transition: color var(--transition-normal);
}

.social-link:hover span {
    color: white;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.social-link:hover::before {
    opacity: 1;
}

/* Social link specific colors */
.social-link[href*="linkedin"] {
    border-left: 4px solid #0077b5;
}

.social-link[href*="linkedin"]:hover {
    border-left-color: #0077b5;
}

.social-link[href*="github"] {
    border-left: 4px solid #333;
}

.social-link[href*="github"]:hover {
    border-left-color: #333;
}

.social-link[href*="twitter"] {
    border-left: 4px solid #1da1f2;
}

.social-link[href*="twitter"]:hover {
    border-left-color: #1da1f2;
}

.social-link[href*="instagram"] {
    border-left: 4px solid #e4405f;
}

.social-link[href*="instagram"]:hover {
    border-left-color: #e4405f;
}

/* Contact section responsive */
@media (max-width: 768px) {
    .contact-content {
        flex-direction: column;
        gap: var(--space-2xl);
    }
    
    .contact-info,
    .social-links {
        min-width: 100%;
    }
    
    .contact-item {
        padding: var(--space-lg);
    }
    
    .contact-details h3 {
        font-size: 0.875rem;
    }
    
    .contact-details a,
    .contact-details span {
        font-size: 1rem;
    }
    
    .social-link {
        padding: var(--space-md) var(--space-lg);
        font-size: 0.875rem;
    }
}

/* Footer with Flexbox */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--space-2xl) 0;
    margin-top: var(--space-3xl);
    /* Prevent footer overflow */
    width: 100%;
    overflow-x: hidden;
}

[data-theme="dark"] .footer {
    background: var(--background-alt);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-content p {
    color: var(--text-muted);
    margin: 0;
}

[data-theme="dark"] .footer-content p {
    color: var(--text-secondary);
}

.footer-badge img {
    height: 15px;
}

/* Enhanced Responsive Design with Flexbox */
@media (max-width: 1024px) {
    .hero-content {
        gap: var(--space-2xl);
    }
    
    .about-content {
        gap: var(--space-2xl);
    }
    
    .certifications-grid {
        gap: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2xl);
        padding: 0 var(--space-md);
    }
    
    .hero-text {
        min-width: auto;
        max-width: 100%;
    }
    
    .about-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-2xl);
    }
    
    .about-text {
        min-width: auto;
        max-width: 100%;
    }
    
    .about-image {
        min-width: auto;
        width: 100%;
    }
    
    .profile-image {
        width: 250px;
        height: 250px;
        border-radius: 50%;
        object-fit: cover;
        object-position: center;
        aspect-ratio: 1;
    }
    
    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }
    
    .stat {
        min-width: auto;
        width: 100%;
        max-width: 200px;
    }
    
    .skills-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--space-xl);
    }
    
    .skill-category {
        min-width: auto;
        max-width: 100%;
        width: 100%;
        padding: var(--space-lg);
    }
    
    .skill-category:hover {
        transform: translateY(-2px);
    }
    
    .certifications-grid {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }
    
    .certification-card {
        min-width: auto;
        max-width: 100%;
        width: 100%;
    }
    
    .timeline::before {
        left: var(--space-lg);
    }
    
    .timeline-item::before {
        left: var(--space-lg);
        width: 14px;
        height: 14px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: calc(var(--space-lg) + var(--space-xl));
        margin-right: 0;
        text-align: left;
        max-width: 100%;
    }
    
    .timeline-item:nth-child(odd) .timeline-content::before,
    .timeline-item:nth-child(even) .timeline-content::before {
        left: -16px;
        border-right-color: white;
        border-left-color: transparent;
    }
    
    .timeline-content {
        border-left: 3px solid var(--primary-color);
        padding: var(--space-lg);
    }
    
    .timeline-content:hover {
        transform: translateY(-3px);
    }
    
    .contact-content {
        flex-direction: column;
        align-items: center;
        gap: var(--space-2xl);
    }
    
    .contact-info,
    .social-links {
        min-width: auto;
        width: 100%;
    }
    
    .hero-buttons {
        justify-content: center;
        width: 100%;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-2xl);
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .nav-container {
        padding: var(--space-sm) var(--space-md);
    }
    
    .hero-title {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }
    
    .cert-logo {
        width: 60px;
        height: 60px;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
    
    .contact-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .section {
        padding: var(--space-xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-xl);
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: clamp(1.25rem, 10vw, 2rem);
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
    }
    
    .cert-logo {
        width: 50px;
        height: 50px;
    }
    
    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: 0.875rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Animation classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Smooth scrolling for older browsers */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

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

/* Print styles */
@media print {
    .navbar,
    .hero-buttons,
    .scroll-indicator {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: var(--space-2xl) 0;
    }
} 

/* Dark mode image adjustments */
[data-theme="dark"] img {
    filter: brightness(0.9) contrast(1.1);
}

[data-theme="dark"] .profile-image {
    border: 4px solid var(--background);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    filter: brightness(0.95) contrast(1.05);
}

[data-theme="dark"] .certification-card {
    background: var(--background);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .certification-card:hover {
    box-shadow: 0 16px 48px rgba(129, 140, 248, 0.15);
    border-color: rgba(129, 140, 248, 0.2);
}