/* ============================================
   SEBASTIEN FESER - PORTFOLIO WEBSITE
   Global Stylesheet
   ============================================ */

/* ============================================
   CSS VARIABLES (Theme)
   ============================================ */
:root {
    /* Background colors */
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f0f1a;
    --bg-card: #1e2a47;

    /* Text colors */
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --text-muted: #6b7280;

    /* Accent colors */
    --accent: #e94560;
    --accent-hover: #ff6b6b;
    --accent-secondary: #0f3460;

    /* Status colors */
    --success: #4ade80;
    --warning: #fbbf24;
    --info: #60a5fa;
    --error: #f87171;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.4);

    /* Container widths */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 900px;
    --container-xl: 1200px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
}

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

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

a:hover {
    color: var(--accent-hover);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.75rem;
    color: var(--accent);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

.text-primary {
    color: var(--text-primary);
}

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

.text-muted {
    color: var(--text-muted);
}

.text-accent {
    color: var(--accent);
}

.lead {
    font-size: 1.1rem;
    color: var(--text-primary);
    border-left: 3px solid var(--accent);
    padding-left: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    max-width: var(--container-lg);
    margin: 0 auto;
    padding: var(--spacing-xl);
    width: 100%;
    box-sizing: border-box;
}

.container-wide {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--spacing-xl);
    width: 100%;
    box-sizing: border-box;
}

.section {
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--accent-secondary);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.site-header {
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--accent-secondary);
}

.header-content {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.site-logo:hover {
    color: var(--accent);
}

.main-nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    flex-shrink: 1;
    min-width: 0;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

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

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: transparent;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

.social-link img {
    width: 20px;
    height: 20px;
    filter: brightness(0.8);
}

.social-link:hover img {
    filter: brightness(1);
}

/* Mobile menu toggle - hidden on desktop */
.mobile-menu-toggle {
    display: none;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--accent-secondary);
}

.hero-badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: var(--spacing-md);
}

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

/* ============================================
   CARDS & GRID
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-secondary);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.card-video {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-accent {
    background: var(--accent);
    color: white;
}

.badge-secondary {
    background: var(--accent-secondary);
    color: var(--text-primary);
}

.badge-success {
    background: rgba(74, 222, 128, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning);
}

.badge-info {
    background: rgba(96, 165, 250, 0.2);
    color: var(--info);
}

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

.tag {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--accent-secondary);
    color: var(--text-primary);
}

/* ============================================
   SKILLS
   ============================================ */
.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 1px solid var(--accent-secondary);
    transition: all var(--transition-fast);
}

.skill-tag:hover {
    border-color: var(--accent);
    background: var(--accent-secondary);
}

/* ============================================
   CALLOUTS & ALERTS
   ============================================ */
.callout {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    border-left: 3px solid;
}

.callout-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.callout-info {
    background: rgba(96, 165, 250, 0.1);
    border-color: var(--info);
}

.callout-warning {
    background: rgba(251, 191, 36, 0.1);
    border-color: var(--warning);
}

.callout-success {
    background: rgba(74, 222, 128, 0.1);
    border-color: var(--success);
}

.callout-error {
    background: rgba(248, 113, 113, 0.1);
    border-color: var(--error);
}

/* ============================================
   CODE BLOCKS
   ============================================ */
pre {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
    border-left: 3px solid var(--accent);
}

code {
    font-family: 'Cascadia Code', 'Fira Code', Consolas, monospace;
    font-size: 0.9rem;
}

.inline-code {
    background: var(--bg-tertiary);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-size: 0.9em;
}

/* ============================================
   TABLES
   ============================================ */
table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--accent-secondary);
}

th {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-weight: 600;
}

td {
    color: var(--text-secondary);
}

/* ============================================
   LISTS
   ============================================ */
ul, ol {
    margin: var(--spacing-md) 0 var(--spacing-lg) var(--spacing-xl);
    color: var(--text-secondary);
}

li {
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    color: white;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--accent);
    color: white;
}

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

.btn-secondary:hover {
    border-color: var(--accent);
    background: var(--accent-secondary);
}

/* ============================================
   AUTHOR BOX
   ============================================ */
.author-box {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.author-avatar {
    width: 80px;
    height: 80px;
    background: var(--accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    font-weight: 700;
}

.author-info h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    padding-left: var(--spacing-xl);
}

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

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--spacing-xl) - 5px);
    top: 0;
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--accent);
    border: 2px solid var(--bg-primary);
}

.timeline-date {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    margin-bottom: var(--spacing-sm);
}

.timeline-content {
    color: var(--text-secondary);
}

/* ============================================
   STATS
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   TABLE OF CONTENTS
   ============================================ */
.toc {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.toc-title {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.toc-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.toc-list li {
    margin: var(--spacing-sm) 0;
}

.toc-list a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.toc-list a:hover {
    color: var(--accent);
}

/* ============================================
   NAVIGATION LINKS
   ============================================ */
.nav-links {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--accent-secondary);
}

.nav-link-btn {
    color: var(--accent);
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--accent);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link-btn:hover {
    background: var(--accent);
    color: white;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-3xl);
    border-top: 1px solid var(--accent-secondary);
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

/* ============================================
   BLOGPOST ARTICLE STYLES
   ============================================ */
.article-header {
    text-align: center;
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--accent-secondary);
    margin-bottom: var(--spacing-2xl);
}

.article-content h2 {
    margin-top: var(--spacing-2xl);
}

.article-content h3 {
    margin-top: var(--spacing-xl);
}

.article-content img {
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

/* ============================================
   QUOTES
   ============================================ */
.quote {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    position: relative;
}

.quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--accent);
    position: absolute;
    top: -10px;
    left: 15px;
    opacity: 0.3;
}

.quote-author {
    text-align: right;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
    font-style: normal;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .main-nav {
        gap: var(--spacing-sm);
    }

    .nav-link {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }

    .lang-btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.7rem;
    }

    .social-links {
        gap: var(--spacing-sm);
    }

    .social-links .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 900px) {
    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        width: 32px;
        height: 32px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 4px;
    }

    .mobile-menu-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all var(--transition-fast);
    }

    .main-nav.mobile-open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--accent-secondary);
        padding: var(--spacing-md);
        gap: var(--spacing-xs);
    }

    .main-nav.mobile-open .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: center;
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    :root {
        font-size: 14px;
    }

    .container,
    .container-wide {
        padding: var(--spacing-md);
    }

    .header-content {
        padding: var(--spacing-sm) var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .site-logo {
        font-size: 1.2rem;
    }

    .social-links {
        gap: var(--spacing-xs);
    }

    .social-links .btn {
        display: none;
    }

    .social-link {
        width: 32px;
        height: 32px;
    }

    .social-link img {
        width: 16px;
        height: 16px;
    }

    .lang-selector {
        gap: 2px;
    }

    .lang-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }

    .hero {
        padding: var(--spacing-xl) 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .author-box {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-enhanced {
        flex-direction: column-reverse;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-content .hero-description {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-avatar {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }

    .hero-stats {
        justify-content: center;
    }

    .featured-project {
        grid-template-columns: 1fr;
    }

    .featured-project::before {
        top: 10px;
        right: -40px;
    }

    .carousel-btn {
        display: none;
    }

    .carousel-dots {
        margin-top: var(--spacing-md);
    }

    .education-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .experience-header {
        flex-direction: column;
    }

    .lang-selector {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }

    .social-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        gap: var(--spacing-sm);
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.hidden {
    display: none !important;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.flex {
    display: flex;
}

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

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

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }
.gap-4 { gap: var(--spacing-xl); }

/* ============================================
   ENHANCED HERO SECTION
   ============================================ */
.hero-enhanced {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3xl);
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--accent-secondary);
}

.hero-content {
    flex: 1;
}

.hero-content .hero-badge {
    margin-bottom: var(--spacing-md);
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero-content .hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
}

.hero-content .hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    max-width: 500px;
}

.hero-content .hero-tagline {
    font-size: 1rem;
    font-style: italic;
    color: var(--accent);
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
}

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

.hero-image {
    flex-shrink: 0;
}

.hero-avatar {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    font-weight: 700;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--accent-secondary);
    overflow: hidden;
}

.hero-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--accent-secondary);
}

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

.hero-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .hero-enhanced {
        flex-direction: column-reverse;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .hero-content .hero-description {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-avatar {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }

    .hero-stats {
        justify-content: center;
    }
}

/* ============================================
   FEATURED PROJECT
   ============================================ */
.featured-project {
    background: linear-gradient(135deg, var(--bg-secondary), var(--accent-secondary));
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    border: 1px solid var(--accent-secondary);
    position: relative;
    overflow: hidden;
}

.featured-project::before {
    content: 'FEATURED';
    position: absolute;
    top: 20px;
    right: -35px;
    background: var(--accent);
    color: white;
    padding: 0.25rem 3rem;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.featured-content h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.featured-content p {
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.featured-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.featured-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.featured-highlight-icon {
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: white;
}

.featured-media {
    position: relative;
}

.featured-media img,
.featured-media video {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.featured-media-placeholder {
    width: 100%;
    height: 250px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    border: 2px dashed var(--accent-secondary);
}

@media (max-width: 768px) {
    .featured-project {
        grid-template-columns: 1fr;
    }

    .featured-project::before {
        top: 10px;
        right: -40px;
    }
}

/* ============================================
   WIP CAROUSEL
   ============================================ */
.wip-carousel {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.carousel-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.carousel-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-slide {
    min-width: 100%;
    opacity: 0.3;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.carousel-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--accent-secondary);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 0;
}

.carousel-dot:hover {
    border-color: var(--accent);
}

.carousel-dot.active {
    background: var(--accent);
    border-color: var(--accent);
}

@media (max-width: 768px) {
    .carousel-btn {
        display: none;
    }

    .carousel-dots {
        margin-top: var(--spacing-md);
    }
}

/* ============================================
   CARD LINK (Accessible)
   ============================================ */
a.card {
    display: block;
    text-decoration: none;
    color: inherit;
}

a.card:hover {
    color: inherit;
}

a.card:hover .card-title {
    color: var(--accent);
}

a.card:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ============================================
   SKILLS CATEGORIES
   ============================================ */
.skills-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.skills-category {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.skills-category-title {
    font-size: 0.9rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.skills-category .skills-container {
    gap: var(--spacing-sm);
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    background: linear-gradient(135deg, var(--bg-secondary), var(--accent-secondary));
    border-radius: var(--radius-lg);
    padding: var(--spacing-3xl);
    text-align: center;
    margin-top: var(--spacing-3xl);
    border: 1px solid var(--accent-secondary);
}

.contact-section h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.contact-section p {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ============================================
   IMAGE PLACEHOLDER
   ============================================ */
.image-placeholder {
    width: 100%;
    height: 200px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
    border: 2px dashed var(--accent-secondary);
}

/* ============================================
   EDUCATION CARD STYLE
   ============================================ */
.education-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

a.education-card {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a.education-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-secondary);
}

a.education-card:hover h3 {
    color: var(--accent);
}

a.education-card:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.education-icon {
    width: 60px;
    height: 60px;
    background: var(--accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.education-details h3 {
    margin-bottom: var(--spacing-xs);
}

.education-details .education-school {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.education-details .education-awarded {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.education-details .education-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
}

.education-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

@media (max-width: 768px) {
    .education-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

/* ============================================
   COURSE MODULE STYLE
   ============================================ */
.course-module {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-left: 3px solid var(--accent);
}

.course-module h3 {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
    color: var(--text-primary);
}

.course-module ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.course-module li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   EXPERIENCE TIMELINE ENHANCED
   ============================================ */
.experience-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.experience-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border-left: 3px solid var(--accent-secondary);
    transition: all var(--transition-normal);
}

.experience-card:hover {
    border-left-color: var(--accent);
    transform: translateX(4px);
}

.experience-card.current {
    border-left-color: var(--success);
}

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

.experience-header h3 {
    margin-bottom: 0;
}

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

@media (max-width: 768px) {
    .experience-header {
        flex-direction: column;
    }
}

/* ============================================
   LANGUAGE SELECTOR
   ============================================ */
.lang-selector {
    display: flex;
    gap: 2px;
    margin-left: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 2px;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    font-family: inherit;
}

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

.lang-btn.active {
    background: var(--accent);
    color: white;
}

@media (max-width: 768px) {
    .lang-selector {
        margin-left: 0;
        margin-top: var(--spacing-sm);
    }

    .social-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ============================================
   BLOGPOSTS LIST
   ============================================ */
.blogposts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.blogpost-card {
    display: block;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--accent-secondary);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.blogpost-card:hover {
    transform: translateX(8px);
    border-color: var(--accent);
    background: var(--bg-card);
}

.blogpost-card .card-badge {
    display: inline-block;
    background: var(--accent);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.blogpost-card .card-title {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.blogpost-card:hover .card-title {
    color: var(--accent);
}

.blogpost-card .card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Reference grid for project pages */
.reference-grid {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: flex-start;
    gap: var(--spacing-xl);
    margin: var(--spacing-xl) 0;
}

.reference-item {
    flex: 1 1 0;
    max-width: 220px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.reference-item img {
    height: 100px;
    width: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.reference-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .reference-grid {
        flex-wrap: wrap;
    }

    .reference-item {
        flex: 0 0 45%;
        max-width: none;
    }
}

@media (max-width: 500px) {
    .blogpost-card {
        padding: var(--spacing-md);
    }

    .blogpost-card:hover {
        transform: translateX(4px);
    }

    .reference-grid {
        flex-direction: column;
        align-items: center;
    }

    .reference-item {
        flex: 0 0 auto;
        width: 100%;
        max-width: 250px;
    }
}

/* ============================================
   MON ECO POTE PAGE STYLES
   ============================================ */

/* Current badge variant (green) */
.hero-badge--current {
    background: var(--success) !important;
}

/* Placeholder image for future screenshots */
.placeholder-image {
    width: 100%;
    min-height: 250px;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    border: 2px dashed var(--accent-secondary);
}

.placeholder-content {
    color: var(--text-muted);
    font-size: 1rem;
    text-align: center;
    padding: var(--spacing-lg);
}

/* Mini-games grid */
.minigames-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.minigame-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    border: 1px solid var(--accent-secondary);
    transition: all var(--transition-normal);
}

.minigame-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.minigame-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    filter: grayscale(0);
}

.minigame-card h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.minigame-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* Roles grid */
.roles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.role-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border-left: 3px solid var(--accent);
}

.role-card h4 {
    color: var(--accent);
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
}

.role-card ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.role-card li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

/* Tools grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.tool-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.tool-item strong {
    color: var(--accent);
    font-size: 1rem;
}

.tool-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tech badges */
.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0 var(--spacing-xl);
}

.tech-badge {
    background: var(--accent-secondary);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Challenge items */
.challenge-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border-left: 3px solid var(--warning);
}

.challenge-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

.challenge-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Success callout variant */
.callout-success {
    border-left-color: var(--success);
    background: rgba(74, 222, 128, 0.1);
}

.callout-success h4 {
    color: var(--success);
}

/* Text utilities */
.text-muted {
    color: var(--text-muted);
    font-style: italic;
}

@media (max-width: 768px) {
    .minigames-grid {
        grid-template-columns: 1fr;
    }

    .roles-grid {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }
}