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

:root {
    /* Enhanced Color Palette */
    --primary-navy: #1a365d;
    --primary-navy-light: #2d4a6b;
    --secondary-emerald: #059669;
    --secondary-emerald-light: #10b981;
    --accent-gold: #f6ad55;
    --accent-gold-light: #fbbf24;
    --background-white: #ffffff;
    --background-gray-50: #f8fafc;
    --background-gray-100: #f1f5f9;
    --text-dark: #1e293b;
    --text-light: #475569;
    --text-muted: #64748b;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.12);
    --shadow-large: rgba(0, 0, 0, 0.16);
    --gradient-primary: linear-gradient(135deg, var(--primary-navy) 0%, var(--secondary-emerald) 100%);
    --gradient-surface: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 2rem;
    --border-radius: 12px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-slow: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
}

/* Enhanced scroll behavior */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Pulse animation for status indicators */
@keyframes pulseGlow {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.05);
    }
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { 
    font-size: 3.5rem; 
    letter-spacing: -0.02em;
    line-height: 1.1;
}
h2 { 
    font-size: 2.5rem; 
    letter-spacing: -0.01em;
    line-height: 1.2;
}
h3 { 
    font-size: 1.875rem; 
    letter-spacing: -0.005em;
    line-height: 1.3;
}
h4 { 
    font-size: 1.5rem; 
    line-height: 1.4;
}
h5 { 
    font-size: 1.25rem; 
    line-height: 1.4;
}
h6 { 
    font-size: 1rem; 
    line-height: 1.5;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    text-align: center;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(26, 54, 93, 0.3);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(26, 54, 93, 0.4);
}

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

.btn-primary:active {
    transform: translateY(-1px);
    transition: var(--transition-bounce);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-navy);
    border-color: var(--primary-navy);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: var(--primary-navy);
    transition: var(--transition-smooth);
    z-index: -1;
}

.btn-secondary:hover {
    color: var(--secondary-emerald);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 54, 93, 0.3);
}

.btn-secondary:hover::before {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(25px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-navy);
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-block;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: 8px;
    transition: var(--transition-smooth);
    z-index: -1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-emerald);
    transition: var(--transition-bounce);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: white;
    transform: translateY(-1px);
}

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

.nav-link:hover::after {
    width: 80%;
}

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-navy);
    margin: 3px 0;
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
}

.hero-subtitle .ai-emphasis {
    color: var(--secondary-emerald) !important;
    font-weight: 600 !important;
    display: inline !important;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 500px;
}

.geometric-pattern {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: linear-gradient(45deg, var(--primary-navy), var(--secondary-emerald));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    color: var(--primary-navy);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-emerald), var(--accent-gold));
    margin: 0 auto;
    border-radius: 2px;
}

/* About Section */
.about {
    padding: var(--section-padding);
    background: var(--background-white);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-light);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-emerald);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Experience Section */
.experience {
    padding: 2rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.experience .container {
    width: 100%;
    max-width: 100%;
    padding: 0;
    margin: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.timeline-container {
    display: grid;
    grid-template-columns: 3.5fr 40px 6.5fr;
    gap: 2rem;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    flex: 1;
    align-items: start;
    box-sizing: border-box;
}

.timeline-left,
.timeline-right {
    position: relative;
}

.timeline-section-title {
    color: var(--primary-navy);
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--secondary-emerald);
    padding-bottom: 0.25rem;
}

.education-left .timeline-content {
    background: linear-gradient(135deg, #fff7ed, #fef3c7);
    border-left: 4px solid var(--accent-gold);
    margin-bottom: 1rem;
    position: relative;
}

.timeline-right .timeline-content {
    position: relative;
}

/* Center Timeline */
.center-timeline {
    position: relative;
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.center-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--secondary-emerald);
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(5, 150, 105, 0.3);
    z-index: 1;
}

.timeline-year {
    position: relative;
    background: var(--secondary-emerald);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-weight: 600;
    font-size: 0.9rem;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.3);
    align-self: center;
    margin: 0.5rem 0;
}

.timeline-connector {
    position: absolute;
    width: 2px;
    background: var(--secondary-emerald);
    z-index: 1;
}

.timeline-connector.left {
    left: 100%;
    top: 50%;
    width: 2rem;
    height: 2px;
    transform: translateY(-50%);
}

.timeline-connector.right {
    right: 100%;
    top: 50%;
    width: 2rem;
    height: 2px;
    transform: translateY(-50%);
}

.timeline-spacer.large {
    height: 250px;
    margin-bottom: 3rem;
}

.timeline-spacer.medium {
    height: 150px;
    margin-bottom: 2rem;
}

.timeline-spacer.small {
    height: 100px;
    margin-bottom: 1.5rem;
}

/* Award Tags Styling */
.award-tag {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6) !important;
    color: white !important;
    font-weight: 600;
    border: 2px solid #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: scale(1.05);
    animation: award-glow 2s ease-in-out infinite alternate;
}

.award-tag:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

@keyframes award-glow {
    0% {
        box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    }
    100% {
        box-shadow: 0 4px 20px rgba(139, 92, 246, 0.6);
    }
}

.timeline {
    position: relative;
    max-width: 1300px;
    margin: 0 auto;
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 80px;
}

.timeline-marker {
    position: absolute;
    left: 21px;
    top: 20px;
    width: 18px;
    height: 18px;
    background: var(--secondary-emerald);
    border: 4px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--secondary-emerald);
}

.education-marker {
    background: var(--accent-gold);
    box-shadow: 0 0 0 4px var(--accent-gold);
}

.timeline-content {
    background: var(--gradient-surface);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-smooth);
    transform-origin: left;
}

.timeline-content:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px var(--shadow-large);
    border-color: var(--secondary-emerald-light);
}

.timeline-content:hover::before {
    transform: scaleX(1);
}

/* Education & Certification Styles */
.education-content {
    background: linear-gradient(135deg, #fff7ed, #fef3c7);
    border-left: 4px solid var(--accent-gold);
}

/* Hide timeline markers for education items */
.education-left .timeline-marker {
    display: none;
}

/* Hide timeline markers for work experience items */
.timeline-right .timeline-marker {
    display: none;
}

.education-item, .certification-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    position: relative;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.education-logo, .certification-logo {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-light);
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
}

.university-logo, .cert-logo {
    max-width: 50px;
    max-height: 50px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.education-details, .certification-details {
    margin-left: 80px;
    width: 100%;
}

.education-details h4, .certification-details h4 {
    color: var(--primary-navy);
    margin-bottom: 0.3rem;
    font-size: 1.15rem;
    font-weight: 600;
    line-height: 1.3;
    word-wrap: break-word;
}

.education-details {
    width: 100%;
    min-width: 280px;
    flex: 1;
}

.education-details h5 {
    color: var(--secondary-emerald);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    font-style: italic;
}

.institution {
    display: block;
    font-weight: 500;
    color: var(--secondary-emerald);
    margin-bottom: 0.25rem;
}

.graduation {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Company Logo Styles */
.company-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.company-logo {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow-light);
    border: 2px solid var(--border-light);
    transition: var(--transition-smooth);
}

.company-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
}

.experience-logo {
    max-width: 50px;
    max-height: 50px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 0;
}

.job-details h3 {
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.timeline-header {
    margin-bottom: 1.5rem;
}

.timeline-header h3 {
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.company {
    font-weight: 600;
    color: var(--secondary-emerald);
    font-size: 1.1rem;
}

.duration {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-left: 1rem;
}


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

.achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.achievements li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--secondary-emerald);
    font-weight: bold;
}

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

.tag {
    background: linear-gradient(135deg, var(--secondary-emerald), var(--accent-gold));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Thought Leadership Section */
.thought-leadership {
    padding: var(--section-padding);
    background: var(--background-white);
}

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

.article-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px var(--shadow-medium);
}

.article-card.featured {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-emerald));
    color: white;
}

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

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

.article-category {
    background: var(--secondary-emerald);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.featured .article-date,
.featured .article-category {
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.2);
}

.article-title {
    margin-bottom: 1rem;
}

.featured .article-title {
    color: white;
    font-size: 2rem;
}

.article-excerpt {
    margin-bottom: 1.5rem;
}

.featured .article-excerpt {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

.article-link {
    color: var(--secondary-emerald);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

.featured .article-link {
    color: white;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.featured .article-link:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* AI Innovation Section */
.ai-innovation {
    padding: var(--section-padding);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.dugo-spotlight {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 4rem;
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 30px var(--shadow-light);
}

.dugo-title {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
}

.dugo-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.dugo-achievement {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, #fff7ed, #fef3c7);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-gold);
}

.achievement-icon {
    font-size: 1.5rem;
}

.achievement-text {
    font-weight: 600;
    color: var(--primary-navy);
}

.dugo-visual {
    position: relative;
    height: 300px;
}

.ai-pattern {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 250px;
    background: linear-gradient(45deg, var(--secondary-emerald), var(--accent-gold));
    border-radius: 50% 20% 50% 20%;
    opacity: 0.1;
    animation: pulse 4s ease-in-out infinite;
}

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

.portfolio-highlights {
    text-align: center;
}

.portfolio-title {
    color: var(--primary-navy);
    margin-bottom: 2rem;
}

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

.portfolio-item {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--shadow-light);
    transition: var(--transition-smooth);
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow-medium);
}

.portfolio-item h5 {
    color: var(--primary-navy);
    margin-bottom: 0.5rem;
}

.portfolio-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.portfolio-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.portfolio-link:hover h5 {
    color: var(--secondary-emerald);
}

.portfolio-link:hover p {
    color: var(--text-dark);
}

.portfolio-logo {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
}

.company-logo {
    max-width: 100px;
    max-height: 50px;
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    transition: var(--transition-smooth);
    border: 2px solid var(--border-light);
}

.portfolio-link:hover .company-logo {
    transform: scale(1.05);
}

/* Skills Section */
.skills {
    padding: var(--section-padding);
    background: var(--background-white);
}

.skills-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.skill-category h3 {
    color: var(--primary-navy);
    margin-bottom: 1.5rem;
    text-align: center;
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--secondary-emerald);
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -4px;
    width: 4px;
    height: 0;
    background: var(--accent-gold);
    transition: var(--transition-smooth);
}

.skill-item:hover {
    transform: translateX(8px) translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-medium);
    border-left-color: var(--accent-gold);
}

.skill-item:hover::before {
    height: 100%;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-navy), var(--secondary-emerald));
    color: white;
}

.contact .section-title,
.contact .section-subtitle {
    color: white;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    text-align: center;
}

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

.contact-label {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.25rem;
}

.contact-value {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.contact-value:hover {
    color: var(--accent-gold);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: white;
    text-decoration: none;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.social-icon {
    font-size: 1.25rem;
    width: 30px;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cta-buttons .btn-primary {
    background: var(--accent-gold);
    color: var(--primary-navy);
}

.cta-buttons .btn-secondary {
    border-color: white;
    color: white;
}

.cta-buttons .btn-secondary:hover {
    background: white;
    color: var(--primary-navy);
}

/* Footer */
.footer {
    background: var(--primary-navy);
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.footer p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: var(--transition-smooth);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        border-radius: 0 0 20px 20px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .dugo-spotlight {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .skills-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-marker {
        left: 11px;
    }
    
    .timeline-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 100%;
    }
    
    .center-timeline {
        display: none;
    }
    
    .company-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        margin-bottom: 1rem;
    }
    
    .education-item, 
    .certification-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        text-align: left;
    }
    
    .education-logo, 
    .certification-logo, 
    .company-logo {
        width: 50px;
        height: 50px;
    }
    
    .university-logo, 
    .cert-logo, 
    .experience-logo {
        max-width: 40px;
        max-height: 40px;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 0 1rem;
    }
    
    h1 { font-size: 2rem; }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}