:root {
    /* Blue color palette from CV */
    --primary-blue: #2E86DE;
    --dark-blue: #1E5A8E;
    --light-blue: #54A0FF;
    --accent-blue: #0ABDE3;
    
    /* Neutrals */
    --black: #1A1A1A;
    --dark-gray: #2D2D2D;
    --gray: #666666;
    --light-gray: #E5E5E5;
    --off-white: #F8F9FA;
    --white: #FFFFFF;
    
    /* Typography */
    --font-display: 'Space Mono', monospace;
    --font-body: 'Work Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 6rem;
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--black);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Grain texture overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.03;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='2.5' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px; /* Account for fixed nav */
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(255,255,255,0.03) 2px,
            rgba(255,255,255,0.03) 4px
        );
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 4rem 0;
}

.name {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease-out;
}

.tagline {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--accent-blue);
    font-weight: 300;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    max-width: 600px;
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    font-family: var(--font-display);
    font-size: 0.9rem;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
}

.contact-link {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.contact-link:hover {
    border-bottom-color: var(--accent-blue);
}

.divider {
    color: rgba(255, 255, 255, 0.4);
}

.location {
    color: rgba(255, 255, 255, 0.8);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Section Styling */
section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--black);
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-blue);
}

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

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

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.stat-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 12px rgba(46, 134, 222, 0.15);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Tech Stack Section */
.tech-stack {
    background: var(--white);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.tech-category {
    transition-delay: calc(var(--i, 0) * 0.1s);
}

.tech-category-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-tag {
    background: var(--off-white);
    color: var(--dark-gray);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

/* Experience Section */
.experience {
    background: var(--off-white);
}

.timeline {
    position: relative;
    padding-left: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--light-gray);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    transition-delay: calc(var(--i, 0) * 0.1s);
}

.timeline-marker {
    position: absolute;
    left: -3.5rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary-blue);
    border: 4px solid var(--white);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--primary-blue);
}

.timeline-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 12px rgba(46, 134, 222, 0.15);
}

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

.job-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.company {
    font-size: 1rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.timeline-date {
    font-family: var(--font-display);
    font-size: 0.85rem;
    color: var(--gray);
    white-space: nowrap;
    padding: 0.25rem 0.75rem;
    background: var(--off-white);
    border-radius: 4px;
}

.job-description {
    list-style: none;
    padding: 0;
}

.job-description li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--gray);
    line-height: 1.6;
}

.job-description li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-size: 1.2rem;
}

/* Education Section */
.education {
    background: var(--white);
}

.education-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 600px;
}

.education-item {
    padding: 1.5rem;
    background: var(--off-white);
    border-radius: 8px;
    border-left: 4px solid var(--primary-blue);
    transition: transform 0.3s ease;
}

.education-item:hover {
    transform: translateX(10px);
}

.education-degree {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 0.5rem;
}

.education-school {
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
}

.education-year {
    font-size: 0.9rem;
    color: var(--gray);
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0;
}

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

.footer-links {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-family: var(--font-display);
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s ease;
}

.footer-links a:hover {
    border-bottom-color: var(--accent-blue);
}

.footer-links .divider {
    color: rgba(255, 255, 255, 0.4);
}

/* Responsive Design */
@media (max-width: 968px) {
    :root {
        --section-padding: 4rem;
    }
    
    .section-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline {
        padding-left: 2rem;
    }
    
    .timeline-marker {
        left: -2.5rem;
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .timeline-date {
        align-self: flex-start;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 3rem;
    }
    
    .container {
        padding: 0 1.5rem;
    }
    
    .hero {
        min-height: 80vh;
    }
    
    .contact-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .divider {
        display: none;
    }
    
    .tech-categories {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
    }
}