/* ==========================================
   THÈME IA PROFESSIONNEL - VARIABLES GLOBALES
   ========================================== */

:root {
    /* Couleurs Thème IA - Professionnel & Moderne */
    --primary-color: #1e40af;        /* Bleu profond - Confiance, Technologie */
    --primary-hover: #1e3a8a;
    --secondary-color: #0ea5e9;      /* Cyan - Innovation, Futuriste */
    --accent-color: #06b6d4;         /* Turquoise - Énergie, Dynamisme */
    --danger-color: #ef4444;
    
    /* Thème clair (par défaut) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.08);
    
    /* Dégradés IA */
    --gradient-primary: linear-gradient(135deg, #1e40af, #0ea5e9);
    --gradient-accent: linear-gradient(135deg, #06b6d4, #0ea5e9);
    --gradient-dark: linear-gradient(135deg, #0f172a, #1e293b);
    
    /* Typographie */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-poppins: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Bordures et ombres */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    --shadow-sm: 0 1px 2px 0 var(--shadow);
    --shadow-md: 0 4px 6px -1px var(--shadow);
    --shadow-lg: 0 10px 15px -3px var(--shadow);
    --shadow-xl: 0 20px 25px -5px var(--shadow);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Mode sombre */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #475569;
    --shadow: rgba(0, 0, 0, 0.3);
}

/* ==========================================
   RESET ET STYLES DE BASE
   ========================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ==========================================
   CONTENEUR PRINCIPAL
   ========================================== */

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

/* ==========================================
   SCROLL PROGRESS INDICATOR
   ========================================== */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--border-color);
    z-index: 1002;
    transition: background-color var(--transition-normal);
}

.scroll-progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.1s ease;
}

/* ==========================================
   THEME TOGGLE SWITCH
   ========================================== */

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: 30px;
    border: 2px solid var(--border-color);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.theme-toggle input {
    display: none;
}

.theme-slider {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.theme-slider i {
    font-size: 18px;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.theme-slider .fa-sun {
    color: #f59e0b;
}

.theme-slider .fa-moon {
    color: var(--primary-color);
}

#theme-switch:checked + .theme-slider .fa-sun {
    transform: translateX(30px);
    opacity: 0.5;
}

#theme-switch:not(:checked) + .theme-slider .fa-moon {
    transform: translateX(-30px);
    opacity: 0.5;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    position: relative;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger .bar {
    width: 30px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ==========================================
   SECTION HERO
   ========================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    font-family: var(--font-poppins);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    animation: gradient 3s ease infinite;
}

@keyframes gradient {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(10deg); }
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    min-width: 120px;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}

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

.image-container {
    position: relative;
    width: 300px;
    height: 300px;
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 5px solid var(--bg-primary);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-normal);
}

.profile-image:hover {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.2; }
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.shape {
    position: absolute;
    opacity: 0.05;
    border-radius: 50%;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--primary-color);
    top: 10%;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--secondary-color);
    bottom: 20%;
    left: 10%;
    animation: float 8s ease-in-out infinite reverse;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    animation: float 7s ease-in-out infinite;
}

.shape-4 {
    width: 250px;
    height: 250px;
    background: var(--primary-color);
    bottom: 10%;
    right: 20%;
    animation: float 9s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(30px); }
}

/* ==========================================
   SECTION À PROPOS
   ========================================== */

.about {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-poppins);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
}

.about-text {
    space: var(--spacing-lg);
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.highlight {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.highlight i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    min-width: 40px;
}

.highlight h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.highlight p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ==========================================
   SECTION COMPÉTENCES
   ========================================== */

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.skill-category {
    padding: var(--spacing-2xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.category-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--primary-color);
}

.category-title i {
    font-size: var(--font-size-2xl);
}

.tech-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.tech-item {
    display: flex;
    align-items: center;
}

.tech-badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    color: white;
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-normal);
}

.tech-badge:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

/* ==========================================
   SECTION PROJETS - CARROUSEL
   ========================================== */

.projects {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.carousel-container {
    position: relative;
    margin-top: var(--spacing-2xl);
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.carousel {
    display: flex;
    transition: transform var(--transition-normal);
}

.carousel-slide {
    min-width: 100%;
    padding: var(--spacing-lg);
}

.project-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.project-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.project-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg-secondary);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-card:hover .project-img {
    transform: scale(1.1);
}

.project-content {
    padding: var(--spacing-2xl);
}

.project-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-poppins);
}

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

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.tech-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--secondary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

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

.project-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Contrôles du Carrousel */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    transition: all var(--transition-normal);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.carousel-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.carousel-prev {
    left: -70px;
}

.carousel-next {
    right: -70px;
}

/* Indicateurs du Carrousel */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.indicator.active {
    background: var(--primary-color);
    width: 30px;
    border-radius: 6px;
}

/* ==========================================
   SECTION EXPÉRIENCE
   ========================================== */

.experience {
    padding: var(--spacing-3xl) 0;
}

.timeline {
    position: relative;
    padding: var(--spacing-2xl) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--gradient-primary);
}

.timeline-item {
    margin-bottom: var(--spacing-3xl);
    display: flex;
    gap: var(--spacing-2xl);
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-marker {
    position: relative;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
    flex-shrink: 0;
    margin-top: var(--spacing-md);
}

.timeline-content {
    flex: 1;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.timeline-period {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-poppins);
}

.timeline-company {
    font-size: var(--font-size-sm);
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.timeline-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   SECTION CONTACT
   ========================================== */

.contact {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    margin-top: var(--spacing-2xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

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

.contact-item i {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    min-width: 50px;
}

.contact-item h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

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

.social-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: var(--font-size-xl);
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
}

/* ==========================================
   ANIMATIONS AU SCROLL
   ========================================== */

.skill-category,
.timeline-item,
.highlight,
.project-card {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.skill-category.visible,
.timeline-item.visible,
.highlight.visible,
.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   SYSTÈME DE PARTICULES
   ========================================== */

#particles-canvas {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

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

    .hamburger {
        display: flex;
    }

    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        z-index: 999;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-image {
        display: none;
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item {
        flex-direction: column !important;
    }

    .timeline-marker {
        margin-left: -11px;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .carousel-prev,
    .carousel-next {
        position: static;
        transform: none !important;
        width: 40px;
        height: 40px;
        margin: var(--spacing-lg) var(--spacing-sm) 0;
    }

    .carousel-slide {
        padding: var(--spacing-md);
    }

    .carousel-indicators {
        margin-top: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-stats {
        gap: var(--spacing-lg);
    }

    .stat {
        min-width: 100px;
    }

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

    .about-highlights {
        grid-template-columns: 1fr;
    }
}