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

:root {
    --primary-bg: #0a0a0a;
    --secondary-bg: #111111;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --accent-blue: #3b82f6;
    --border-subtle: #222222;
    --border-radius: 8px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
}

html {
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

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

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    line-height: 0.9;
    margin-bottom: var(--spacing-lg);
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    letter-spacing: 1px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent-blue);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Projects Timeline */
.projects-timeline {
    padding: var(--spacing-xl) 0;
    position: relative;
    width: 70%;
    margin: 0 auto;
}


.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-subtle);
    transform: translateX(-50%);
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--border-subtle);
    transform: translateX(-50%);
}

.month-section {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.month-marker {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    z-index: 10;
}

.marker-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 3px solid var(--primary-bg);
}

.month-marker {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    z-index: 10;
}

.marker-dot {
    width: 12px;
    height: 12px;
    background: var(--accent-blue);
    border-radius: 50%;
    border: 3px solid var(--primary-bg);
}

.month-header {
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    background-color: #0a0a0a76;
    gap: 15px;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    height: 200px;
}

.month-number {
    font-size: 3rem;
    font-weight: 100;
    color: var(--text-muted);
    line-height: 1;
}

.month-info {
    text-align: center;
}

.month-title {
    font-size: 2rem;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.month-year {
    font-size: 1rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

/* Project Cards */
.projects-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.project-card {
    display: grid;
    grid-template-columns: 1fr 0.5fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--secondary-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
}

.project-card[data-direction="right"] .project-visual {
    order: 2;
}

.project-card[data-direction="right"] .project-content {
    order: 1;
}

.project-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 300;
    letter-spacing: 1px;
}

.project-visual {
    position: relative;
}

.project-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 16/10;
    background: var(--primary-bg);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.meta-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.meta-value {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.project-content {
    padding: var(--spacing-md) 0;
}

.project-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.project-title {
    font-size: 2rem;
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.title-word {
    display: inline-block;
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.project-tech {
    margin-bottom: var(--spacing-lg);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tech-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--primary-bg);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.project-actions {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.action-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    font-weight: 500;
}

.action-link.primary {
    color: var(--accent-blue);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--accent-blue);
    border-radius: var(--border-radius);
}

.action-link.secondary {
    color: var(--text-secondary);
}

.link-arrow,
.external-icon {
    width: 16px;
    height: 16px;
    position: relative;
}

.link-arrow::before {
    content: '→';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
}

.external-icon::before {
    content: '↗';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
    background: var(--secondary-bg);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.cta-line {
    display: block;
}

.cta-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    font-weight: 600;
    border-radius: 16px;
}

.cta-button.primary {
    background: var(--accent-blue);
    color: var(--text-primary);
    border: 2px solid var(--accent-blue);
}

.cta-button.secondary {
    color: var(--text-secondary);
    border: 2px solid var(--border-subtle);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .project-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .project-card[data-direction="right"] .project-visual,
    .project-card[data-direction="right"] .project-content {
        order: unset;
    }
    
    .month-header {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .cta-actions {
        flex-direction: column;
    }
}