/* ============================================
   PORTFOLIO DATA ANALYST PREMIUM
   Palette: #F3EDE4 (Beige), #0F1B2D (Bleu nuit), #C89B3C (Or/Moutarde)
   ============================================ */

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

:root {
    /* Couleurs principales */
    --bg-primary: #F3EDE4;
    --bg-card: #FFFFFF;
    --text-primary: #0F1B2D;
    --text-secondary: #374151;
    --accent-gold: #C89B3C;
    --border-color: #E7DCCB;
    
    /* Autres couleurs */
    --shadow-light: rgba(15, 27, 45, 0.08);
    --shadow-medium: rgba(15, 27, 45, 0.15);
    --shadow-hover: rgba(200, 155, 60, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Border Radius */
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

section {
    padding: var(--spacing-2xl) 0;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-medium);
}

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

.logo {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px var(--shadow-light);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link:hover {
    color: var(--accent-gold);
    transform: translateY(-2px);
}

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

.btn-contact {
    background: var(--accent-gold);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px rgba(200, 155, 60, 0.3);
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 155, 60, 0.4);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
    padding-top: calc(80px + var(--spacing-2xl));
    padding-bottom: var(--spacing-2xl);
    min-height: 90vh;
    display: flex;
    align-items: center;
    user-select: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.profile-photo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-lg);
    border: 4px solid var(--accent-gold);
    box-shadow: 0 8px 24px rgba(200, 155, 60, 0.3);
}

.hero-name {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    letter-spacing: -2px;
}

.hero-role {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

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

.badge {
    background: var(--bg-card);
    color: var(--text-secondary);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.badge i {
    color: var(--accent-gold);
}

.signature-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.signature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), #D4A853);
}

.signature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.signature-icon i {
    font-size: 1.75rem;
    color: white;
}

.signature-card h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.signature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* ============================================
   IMPACT STATS SECTION
   ============================================ */
.impact-section {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -1px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition-medium);
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px var(--shadow-medium);
    border-color: var(--accent-gold);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.stat-icon i {
    font-size: 2rem;
    color: white;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   CV & CERTIFICATES SECTION
   ============================================ */
.certificates-section {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.certificate-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--border-color);
    box-shadow: 0 8px 24px var(--shadow-light);
    transition: var(--transition-medium);
    text-align: center;
}

.certificate-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px var(--shadow-medium);
    border-color: var(--accent-gold);
}

.certificate-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.certificate-icon i {
    font-size: 2.2rem;
    color: white;
}

.cv-icon {
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
}

.powerbi-cert-icon {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.excel-cert-icon {
    background: linear-gradient(135deg, #10B981, #059669);
}

.certificate-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.certificate-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.btn-view-online {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    border: 2px solid var(--accent-gold);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.btn-view-online:hover {
    background: var(--accent-gold);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(200, 155, 60, 0.4);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-section {
    background: var(--bg-primary);
    padding: var(--spacing-xl) 0;
}

/* Sous-sections de projets */
.projects-subsection {
    margin-bottom: var(--spacing-xl);
}

.subsection-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--border-color);
}

.subsection-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.subsection-icon i {
    font-size: 1.75rem;
    color: white;
}

/* Couleurs spécifiques par catégorie */
.stat-icon-color {
    background: linear-gradient(135deg, #3B82F6, #2563EB);
}

.excel-icon-color {
    background: linear-gradient(135deg, #10B981, #059669);
}

.powerbi-icon-color {
    background: linear-gradient(135deg, #F59E0B, #D97706);
}

.webscraping-icon-color {
    background: linear-gradient(135deg, #EF4444, #DC2626);
}

.subsection-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

/* Grilles de projets */
.projects-grid-highlight {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
}

.projects-grid-standard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

/* Cartes projets phares (highlight) */
.project-card-highlight {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid var(--accent-gold);
    box-shadow: 0 12px 32px rgba(200, 155, 60, 0.2);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.project-card-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), #D4A853);
}

.project-card-highlight:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(200, 155, 60, 0.35);
}

.project-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.project-icon i {
    font-size: 2rem;
    color: white;
}

.project-card-highlight h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.project-card-highlight p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

/* Cartes projets standard */
.project-card-standard {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.project-card-standard:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px var(--shadow-medium);
    border-color: var(--accent-gold);
}

.project-icon-small {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.project-icon-small i {
    font-size: 1.3rem;
    color: white;
}

.project-card-standard h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.project-card-standard p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-size: 0.95rem;
}

/* Tags technologiques */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.tag {
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Résultats et métriques */
.project-result {
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.project-result i {
    color: var(--accent-gold);
}

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

/* Video indicator */
.video-indicator {
    background: var(--bg-primary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.video-indicator i {
    color: var(--accent-gold);
    font-size: 1.2rem;
}

/* Boutons */
.btn-visualize {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: 0.8rem 1.7rem;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px rgba(200, 155, 60, 0.3);
}

.btn-visualize:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(200, 155, 60, 0.5);
}

.btn-visualize-small {
    display: inline-block;
    margin-top: var(--spacing-xs);
    padding: 0.6rem 1.3rem;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-fast);
    box-shadow: 0 3px 10px rgba(200, 155, 60, 0.25);
}

.btn-visualize-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 16px rgba(200, 155, 60, 0.4);
}

/* Small project actions for specific cards */
.project-actions-small {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: nowrap;
}

.project-actions-small .btn-visualize-small {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Video & Image Badges */
.video-badge,
.image-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: rgba(200, 155, 60, 0.15);
    color: var(--accent-gold);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
}

.video-badge i,
.image-badge i {
    font-size: 1rem;
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience-section {
    background: var(--bg-primary);
}

.experience-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.experience-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 24px var(--shadow-light);
    transition: var(--transition-medium);
}

.experience-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 36px var(--shadow-medium);
    border-color: var(--accent-gold);
}

.experience-header {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.experience-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.experience-icon i {
    font-size: 1.5rem;
    color: white;
}

.experience-info h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.company {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.period {
    color: var(--accent-gold);
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.experience-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.experience-list li {
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 2rem;
    position: relative;
}

.experience-list li i {
    position: absolute;
    left: 0;
    top: 0.3rem;
    color: var(--accent-gold);
    font-size: 0.9rem;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-section {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
}

.skills-intro {
    margin-bottom: var(--spacing-xl);
}

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

.skill-tag {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.7rem 1.3rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.skill-tag:hover {
    background: var(--accent-gold);
    color: white;
    border-color: var(--accent-gold);
    transform: translateY(-3px);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

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

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px var(--shadow-medium);
    border-color: var(--accent-gold);
}

.category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.category-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.category-icon i {
    font-size: 1.3rem;
    color: white;
}

.category-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skill-list li {
    color: var(--text-secondary);
    line-height: 1.7;
    padding-left: 1.8rem;
    position: relative;
}

.skill-list li i {
    position: absolute;
    left: 0;
    top: 0.3rem;
    color: var(--accent-gold);
    font-size: 0.85rem;
}

.skill-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   FOOTER / CONTACT
   ============================================ */
.footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-gold), #D4A853);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.footer-main h3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-main p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
}

.contact-item i {
    color: var(--accent-gold);
    font-size: 1.1rem;
    width: 24px;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-social h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

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

.social-link {
    width: 45px;
    height: 45px;
    background: rgba(200, 155, 60, 0.2);
    border: 1px solid var(--accent-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 1.2rem;
}

.social-link:hover {
    background: var(--accent-gold);
    color: white;
    transform: translateY(-4px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(200, 155, 60, 0.3);
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   VIDEO MODAL
   ============================================ */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.video-modal-content {
    position: relative;
    margin: 5% auto;
    width: 90%;
    max-width: 1000px;
    height: 70vh;
}

.video-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--accent-gold);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10001;
}

.video-modal-close:hover {
    color: white;
    transform: scale(1.2);
}

.video-modal iframe {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-name {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .subsection-title {
        font-size: 1.6rem;
    }
    
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid-highlight {
        grid-template-columns: 1fr;
    }
    
    .projects-grid-standard {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        z-index: 999;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu .nav-link {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-color);
        text-align: center;
        font-size: 1.1rem;
    }
    
    .nav-menu .nav-link:last-child {
        border-bottom: none;
    }
    
    .nav-menu .btn-contact {
        margin-top: var(--spacing-md);
        text-align: center;
        width: 100%;
    }
    
    .mobile-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    .hero-name {
        font-size: 2.8rem;
    }
    
    .hero-role {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .subsection-title {
        font-size: 1.4rem;
    }
    
    .subsection-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .subsection-icon {
        width: 50px;
        height: 50px;
    }
    
    .subsection-icon i {
        font-size: 1.5rem;
    }
    
    .stats-grid,
    .certificates-grid,
    .projects-grid-highlight,
    .projects-grid-standard,
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-header {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .hero-name {
        font-size: 2.2rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .subsection-title {
        font-size: 1.2rem;
    }
    
    .certificate-card,
    .experience-card,
    .project-card-highlight,
    .project-card-standard {
        padding: var(--spacing-lg);
    }
    
    .project-card-highlight h4 {
        font-size: 1.2rem;
    }
    
    .project-card-standard h4 {
        font-size: 1.1rem;
    }
}