/* =============================================
   Oscar Arzola - Career Journey Website
   Clean, Professional Tech Aesthetic
   ============================================= */

/* CSS Variables */
:root {
    /* Colors - Professional tech palette */
    --color-primary: #0066cc;
    --color-primary-dark: #004d99;
    --color-primary-light: #e6f0fa;
    
    --color-text: #1a1a2e;
    --color-text-secondary: #4a4a68;
    --color-text-muted: #6b6b8a;
    
    --color-bg: #ffffff;
    --color-bg-secondary: #f8f9fc;
    --color-bg-tertiary: #f0f2f7;
    
    --color-border: #e2e4eb;
    --color-border-light: #eef0f5;
    
    --color-success: #059669;
    --color-warning: #d97706;
    --color-accent: #0066cc;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira 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: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--color-text-secondary);
}

p:last-child {
    margin-bottom: 0;
}

/* =============================================
   Navigation
   ============================================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
}

.logo-bracket {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-base);
}

/* =============================================
   Buttons
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    border: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-text-muted);
    color: var(--color-text);
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.hero .container {
    display: grid;
    gap: var(--space-2xl);
}

.hero-greeting {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.hero-name {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.hero-bio {
    font-size: 1.125rem;
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.hero-status {
    margin-top: var(--space-xl);
}

.status-card {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.status-indicator {
    width: 10px;
    height: 10px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-content {
    display: flex;
    flex-direction: column;
}

.status-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-value {
    font-weight: 600;
    color: var(--color-text);
}

/* =============================================
   Highlights Section
   ============================================= */

.highlights {
    padding: var(--space-3xl) 0;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.highlight-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.highlight-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.highlight-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.highlight-card h3 {
    margin-bottom: var(--space-sm);
}

.highlight-card p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

/* =============================================
   Mission Section
   ============================================= */

.mission {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

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

.mission h2 {
    margin-bottom: var(--space-xl);
}

.mission blockquote {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-style: italic;
    position: relative;
    padding: 0 var(--space-xl);
}

.mission blockquote::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 4rem;
    color: var(--color-primary-light);
    font-family: Georgia, serif;
}

/* =============================================
   Quick Links Section
   ============================================= */

.quick-links {
    padding: var(--space-3xl) 0;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.link-card {
    display: block;
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
}

.link-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.link-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.link-arrow {
    position: absolute;
    right: var(--space-xl);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-primary);
    opacity: 0;
    transition: all var(--transition-base);
}

.link-card:hover .link-arrow {
    opacity: 1;
    right: var(--space-lg);
}

/* =============================================
   Page Header
   ============================================= */

.page-header {
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.page-header h1 {
    margin-bottom: var(--space-sm);
}

.page-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* =============================================
   About Page
   ============================================= */

.about-content {
    padding: var(--space-3xl) 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--space-3xl);
}

.about-section {
    margin-bottom: var(--space-2xl);
}

.about-section:last-child {
    margin-bottom: 0;
}

.about-section h2 {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--color-primary-light);
}

.about-section p {
    font-size: 1.0625rem;
    line-height: 1.8;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-xl);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-xl) - 5px);
    top: 8px;
    width: 12px;
    height: 12px;
    background: var(--color-primary);
    border-radius: 50%;
}

.timeline-content h3 {
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.timeline-role {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.timeline-content p {
    font-size: 0.9375rem;
}

/* Sidebar */
.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.sidebar-card {
    padding: var(--space-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.sidebar-card h3 {
    font-size: 1rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
}

.facts-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.facts-list li:last-child {
    border-bottom: none;
}

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

.fact-value {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.values-list li {
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    position: relative;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.values-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* =============================================
   Skills Page
   ============================================= */

.skills-section {
    padding: var(--space-3xl) 0;
}

.skills-intro {
    max-width: 800px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
}

.skills-intro p {
    font-size: 1.0625rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.skill-category {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border-light);
}

.skill-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-md);
}

.skill-header h2 {
    font-size: 1.125rem;
    margin: 0;
}

.skill-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.skill-list li:last-child {
    border-bottom: none;
}

.skill-name {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.skill-level {
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

/* Experience Section */
.experience-section {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.experience-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
}

.experience-header h3 {
    color: var(--color-text);
}

.experience-location {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    background: var(--color-bg-tertiary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.experience-role {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.experience-details {
    list-style: disc;
    padding-left: var(--space-lg);
}

.experience-details li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

/* =============================================
   Blog Page
   ============================================= */

.blog-intro {
    padding: var(--space-2xl) 0;
    background: var(--color-bg-secondary);
}

.study-plan-card {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.study-plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.study-plan-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.study-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
}

.study-plan-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
}

.study-detail {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.detail-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-value {
    font-weight: 500;
    color: var(--color-text);
}

.study-progress {
    margin-top: var(--space-md);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    font-size: 0.875rem;
}

.progress-percentage {
    font-weight: 600;
    color: var(--color-primary);
}

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

.progress-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: width var(--transition-slow);
}

.progress-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
    margin-bottom: 0;
}

/* Blog Posts */
.blog-posts {
    padding: var(--space-3xl) 0;
}

.blog-posts .container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-3xl);
}

.posts-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.blog-post {
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.blog-post.upcoming {
    opacity: 0.7;
    border-style: dashed;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.post-week {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-sm);
}

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

.post-status {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.post-title {
    font-size: 1.375rem;
    margin-bottom: var(--space-lg);
}

.post-content h3 {
    font-size: 1rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--color-text);
}

.post-content p {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.post-content ul {
    list-style: disc;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

.post-content ul li {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.post-preview p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

.tag {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
}

/* Blog Sidebar */
.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.resource-list li {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.resource-list li:last-child {
    border-bottom: none;
}

.resource-list a {
    font-size: 0.9375rem;
    display: block;
}

.goals-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.goals-list li.completed {
    color: var(--color-success);
    text-decoration: line-through;
    opacity: 0.7;
}

.goals-list li.in-progress {
    color: var(--color-primary);
    font-weight: 500;
}

.goal-check {
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* =============================================
   Roadmap Page
   ============================================= */

.roadmap-intro {
    padding: var(--space-2xl) 0;
    text-align: center;
}

.roadmap-intro p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.0625rem;
}

.roadmap-section {
    padding: var(--space-2xl) 0 var(--space-3xl);
}

.roadmap-timeline {
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-item {
    display: flex;
    gap: var(--space-xl);
    padding-bottom: var(--space-2xl);
}

.roadmap-item:last-child {
    padding-bottom: 0;
}

.roadmap-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.marker-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.marker-icon.current {
    background: var(--color-primary);
    color: white;
}

.marker-icon.next {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.marker-line {
    flex: 1;
    width: 2px;
    background: var(--color-border);
    margin-top: var(--space-md);
}

.roadmap-content {
    flex: 1;
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.roadmap-item.current .roadmap-content {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.roadmap-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.roadmap-status {
    font-size: 0.75rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.status-current {
    background: var(--color-primary);
    color: white;
}

.status-next {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.status-future {
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
}

.roadmap-timeline-date {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.roadmap-content h2 {
    font-size: 1.375rem;
    margin-bottom: var(--space-md);
}

.roadmap-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.roadmap-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.roadmap-skills h4,
.roadmap-relevance h4 {
    font-size: 0.875rem;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.roadmap-skills ul {
    list-style: disc;
    padding-left: var(--space-lg);
}

.roadmap-skills li {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.roadmap-relevance {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border-light);
}

.roadmap-relevance p {
    font-size: 0.9375rem;
}

.roadmap-options h4 {
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
}

.option-card {
    padding: var(--space-md);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.option-card h5 {
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
}

.option-card p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Target Roles */
.target-roles {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

.section-intro {
    max-width: 700px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
    font-size: 1.0625rem;
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.role-card {
    padding: var(--space-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.role-card h3 {
    margin-bottom: var(--space-md);
}

.role-card p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

.role-requirements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.requirement {
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-tertiary);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
}

.requirement.met {
    background: var(--color-success);
    color: white;
}

/* =============================================
   CTA Section
   ============================================= */

.cta-section {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-secondary);
}

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

.cta-content h2 {
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: 1.0625rem;
    margin-bottom: var(--space-xl);
}

/* =============================================
   Footer
   ============================================= */

.footer {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border);
}

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

.footer-location {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* =============================================
   Responsive Design
   ============================================= */

@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .sidebar-card {
        flex: 1;
        min-width: 280px;
    }
    
    .blog-posts .container {
        grid-template-columns: 1fr;
    }
    
    .blog-sidebar {
        flex-direction: row;
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .nav-menu {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .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(5px, -5px);
    }
    
    .hero-name {
        font-size: 2.25rem;
    }
    
    .hero-title {
        font-size: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .roadmap-item {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .roadmap-marker {
        flex-direction: row;
        justify-content: flex-start;
    }
    
    .marker-line {
        flex: 1;
        height: 2px;
        width: auto;
        margin-top: 0;
        margin-left: var(--space-md);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .study-plan-details {
        grid-template-columns: 1fr;
    }
    
    .roadmap-details {
        grid-template-columns: 1fr;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
}