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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary: #7c3aed;
    --accent: #f59e0b;
    
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-primary-rgb: 255, 255, 255;
    
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
}

.dark-mode {
    --primary: #60a5fa;
    --primary-dark: #3b82f6;
    --primary-light: #93c5fd;
    --secondary: #a78bfa;
    --accent: #fbbf24;
    
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --bg-primary-rgb: 17, 24, 39;
    
    --border: #4b5563;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

body.no-js .js-only {
    display: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

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

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

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-lg);
    }
}

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

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: var(--space-sm) var(--space-md);
    z-index: 9999;
    border-radius: var(--radius-md);
}

.skip-link:focus {
    top: var(--space-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--shadow);
}

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

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

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

.badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
}

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

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(var(--bg-primary-rgb), 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.menu-icon {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.menu-icon::before {
    top: -6px;
}

.menu-icon::after {
    top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-icon {
    background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle[aria-expanded="true"] .menu-icon::after {
    transform: rotate(-45deg);
    top: 0;
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-sm) 0;
    position: relative;
}

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

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

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

.theme-switcher {
    background: var(--bg-tertiary);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-switcher i {
    position: absolute;
    transition: all var(--transition-base);
}

.theme-switcher .fa-sun {
    opacity: 0;
    transform: rotate(90deg);
}

.dark-mode .theme-switcher .fa-moon {
    opacity: 0;
    transform: rotate(90deg);
}

.dark-mode .theme-switcher .fa-sun {
    opacity: 1;
    transform: rotate(0);
}

.progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.1s ease;
}

.hero {
    padding: 160px 0 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.title-highlight {
    position: relative;
    color: var(--primary);
}

.hero-description{
    margin: 20px;
}

.title-highlight::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    color: transparent;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    z-index: -1;
    filter: blur(10px);
    opacity: 0.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
    margin: var(--space-2xl) 0;
    flex-wrap: wrap;
}

.btn-cta {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-cta:hover {
    transform: scale(1.1) rotate(10deg);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.hero-visual {
    position: relative;
}

.profile-card {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.profile-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.profile-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

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

.image-glow {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(37, 99, 235, 0.1), transparent);
    z-index: 1;
    pointer-events: none;
}

.profile-tech {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-md);
    z-index: 2;
}

.tech-bubble {
    width: 60px;
    height: 60px;
    background: var(--bg-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    box-shadow: var(--shadow);
    animation: float 3s ease-in-out infinite;
    animation-delay: calc(var(--delay) * 0.5s);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.floating-elements {
    position: absolute;
    top: 20%;
    right: -20px;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.floating-card {
    background: var(--bg-primary);
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    animation: float 3s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.3s);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--border);
    border-radius: 20px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 10px; }
    100% { opacity: 0; top: 30px; }
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.section-subtitle {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.125rem;
    max-width: 600px;
    margin: var(--space-md) auto 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.about-card {
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

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

.about-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 1.5rem;
}

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

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

.timeline-item {
    position: relative;
    padding-left: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 12px;
    bottom: -30px;
    width: 2px;
    background: var(--border);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}
.image-frame {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(37, 99, 235, 0.1));
    z-index: 1;
}

.image-frame img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

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

.image-caption {
    display: flex;
    justify-content: center;
}

.languages-interests {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    overflow: hidden;
}

.languages-interests .section-header {
    margin-bottom: var(--space-2xl);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.language-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.language-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

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

.language-flag {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.language-flag img {
    width: 85px;
    height: auto;
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.language-card:hover .language-flag img {
    border-color: var(--primary);
}


.language-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.language-name,
.interest-card span {
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}


.language-level {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}

.language-level.maternel {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.language-level.intermediaire {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.language-progress {
    margin-top: var(--space-lg);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.interest-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.interest-card:hover {
    transform: translateY(-5px) rotate(2deg);
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.interest-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
    font-size: 1.8rem;
}

.interest-card span {
    font-weight: 600;
    color: var(--text-primary);
}

@media screen and (max-width: 1024px) {
    .languages-grid {
        gap: var(--space-lg);
    }
    
    .language-card {
        padding: var(--space-lg);
    }
    
    .language-flag img {
        width: 70px;
    }
    
    .interests-grid {
        gap: var(--space-lg);
    }
    
    .interest-card {
        padding: var(--space-lg);
    }
}

@media screen and (max-width: 768px) {
    .languages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .language-card {
        padding: var(--space-md);
    }
    
    .language-flag img {
        width: 60px;
    }
    
    .language-name {
        font-size: 1.1rem;
    }
    
    .language-level {
        font-size: 0.8rem;
        padding: 0.2rem 0.8rem;
    }
    
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    .interest-card {
        padding: var(--space-md);
    }
    
    .interest-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: var(--space-md);
    }
    
    .interest-card span {
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 480px) {
    .languages-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .language-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: var(--space-md);
    }
    
    .language-flag img {
        width: 80px;
    }
    
    .language-name {
        font-size: 1.2rem;
    }
    
    .language-level {
        font-size: 0.9rem;
        padding: 0.25rem 1rem;
    }
    
    .language-progress {
        width: 100%;
        max-width: 250px;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
    
    .interest-card {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-md);
        padding: var(--space-md);
        text-align: left;
    }
    
    .interest-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
        margin: 0;
    }
    
    .interest-card span {
        font-size: 1rem;
    }
    .section-header {
        padding: 0 var(--space-md);
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-description {
        font-size: 1rem;
    }
}

@media screen and (max-width: 320px) {
    .language-flag img {
        width: 60px;
    }
    
    .language-name {
        font-size: 1rem;
    }
    
    .language-level {
        font-size: 0.8rem;
    }
    
    .interest-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .interest-card span {
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 768px) and (orientation: landscape) {
    .languages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .interests-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .language-card {
        padding: var(--space-sm);
    }
    
    .interest-card {
        padding: var(--space-sm);
    }
}

.language-card,
.interest-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.language-card:hover,
.interest-card:hover {
    transform: translateY(-5px);
}

@media (prefers-reduced-motion: reduce) {
    .language-card,
    .interest-card,
    .language-card:hover,
    .interest-card:hover {
        transition: none;
        transform: none;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.language-card,
.interest-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.language-card:nth-child(1) { animation-delay: 0.1s; }
.language-card:nth-child(2) { animation-delay: 0.2s; }
.language-card:nth-child(3) { animation-delay: 0.3s; }

.interest-card:nth-child(1) { animation-delay: 0.2s; }
.interest-card:nth-child(2) { animation-delay: 0.3s; }
.interest-card:nth-child(3) { animation-delay: 0.4s; }
.interest-card:nth-child(4) { animation-delay: 0.5s; }



.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.project-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(37, 99, 235, 0.9), rgba(124, 58, 237, 0.9));
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link,
.project-github,
.project-figma {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.project-link:hover,
.project-github:hover,
.project-figma:hover {
    transform: scale(1.1) rotate(5deg);
}

.project-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-primary);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

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

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

.project-year {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
}

.tech-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.project-stats {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.project-stats .stat {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

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

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

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

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

.category-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.skills-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

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

.skill-name {
    font-weight: 500;
}

.skill-level {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

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

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    width: 0;
    transition: width 1.5s ease-out;
}

.skills-visual {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-2xl);
    justify-items: center;
    margin-top: var(--space-2xl);
}

.visual-item {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    padding-bottom: 40px;
}

.radial-progress {
    position: relative;
    width: 120px;
    height: 120px;
}

.radial-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 8;
}

.radial-fg {
    fill: none;
    stroke: var(--primary);
    stroke-width: 8;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: 50% 50%;
    stroke-dasharray: 339.292;
    stroke-dashoffset: 339.292;
    transition: stroke-dashoffset 1s ease-out;
}

.radial-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.radial-label {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    text-align: center;
    width: 100%;
}

.experience {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.experience-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto var(--space-3xl);
    padding: var(--space-2xl) 0;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 120px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, 
        transparent,
        var(--primary-light),
        var(--primary),
        var(--primary-light),
        transparent
    );
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-2xl);
}

.timeline-marker {
    position: absolute;
    left: 120px;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    z-index: 2;
}

.marker-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    transition: all var(--transition-base);
}

.timeline-card:hover .marker-dot {
    transform: translateX(-50%) scale(1.3);
    background: var(--secondary);
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.1);
}

.marker-line {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: calc(100% + var(--space-2xl));
    background: linear-gradient(to bottom, 
        var(--primary-light),
        transparent
    );
}

.timeline-card {
    margin-left: 180px;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
    position: relative;
}

.timeline-card:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: var(--space-md);
}

.header-left h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.company-badge {
    display: inline-block;
    padding: 2px var(--space-sm);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.company-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.company-info i {
    color: var(--primary);
    font-size: 0.875rem;
}

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

.date-badge,
.location-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
}

.date-badge i,
.location-badge i {
    color: var(--primary);
    font-size: 0.875rem;
}

.mission-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.achievements {
    margin-bottom: var(--space-lg);
}

.achievements h4 {
    font-size: 1rem;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.achievements ul {
    list-style: none;
    padding: 0;
}

.achievements li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.achievements li i {
    color: #10b981;
    font-size: 0.875rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.tech-stack {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border);
}

.tech-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

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

.tech-tag {
    padding: 4px var(--space-sm);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

.education-section {
    margin: var(--space-3xl) 0;
}

.education-title {
    text-align: center;
    margin-bottom: var(--space-2xl);
    font-size: 1.5rem;
    color: var(--text-primary);
    position: relative;
}

.education-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.education-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: all var(--transition-base);
}

.education-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.education-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.education-content h4 {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.education-school {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 2px;
}

.education-date {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-bottom: var(--space-xs);
}

.education-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.language-list {
    list-style: none;
    padding: 0;
}

.language-list li {
    margin-bottom: var(--space-md);
}

.language-name {
    display: inline-block;
    font-weight: 600;
    margin-right: var(--space-sm);
    color: var(--text-primary);
}

.language-level {
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.level-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    margin-top: 4px;
    overflow: hidden;
}

.level-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    width: 0;
    transition: width 1s ease;
}

.experience-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    margin: var(--space-3xl) 0;
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

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

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

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

.cv-download {
    text-align: center;
    margin-top: var(--space-3xl);
}

.cv-info {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-top: var(--space-sm);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
}

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

.contact-card {
    background: var(--bg-secondary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.contact-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: var(--space-xs);
}

.contact-details a {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.contact-details p {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin: 0;
}

.social-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.contact-form {
    background: var(--bg-secondary);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: var(--space-xs);
    display: none;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-2xl);
}

.form-note {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-success {
    display: none;
    background: #10b981;
    color: white;
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--space-xl);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-success i {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.map-container {
  margin-top: 50px;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  height: 350px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.footer {
    background: var(--bg-tertiary);
    padding: var(--space-3xl) 0 var(--space-xl);
    margin-top: var(--space-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand .logo {
    margin-bottom: var(--space-lg);
}

.footer-description {
    color: var(--text-secondary);
    margin: 0;
}

.footer-links h4 {
    margin-bottom: var(--space-lg);
    font-size: 1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
}

.newsletter-form {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.newsletter-form input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
}

.newsletter-form button {
    padding: var(--space-md);
    background: var(--primary);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.newsletter-form button:hover {
    background: var(--primary-dark);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--border);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.footer-legal a {
    color: var(--text-tertiary);
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: transform 0.1s, width 0.3s, height 0.3s, background 0.3s;
    mix-blend-mode: difference;
}

.custom-cursor.hover {
    width: 40px;
    height: 40px;
    background: rgba(37, 99, 235, 0.1);
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .floating-elements {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .experience-timeline::before {
        left: 40px;
    }
    
    .timeline-marker {
        left: 40px;
    }
    
    .timeline-card {
        margin-left: 70px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 80px var(--space-xl) var(--space-xl);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-xl);
        z-index: 1000;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-cta {
        align-self: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
    
    .card-header {
        flex-direction: column;
        text-align: left;
    }
    
    .header-right {
        text-align: left;
    }
    
    .education-grid {
        grid-template-columns: 1fr;
    }
    
    .experience-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 3rem;
    }
    
    .container {
        padding: 0 var(--space-lg);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .project-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        text-align: center;
    }
    
    .experience-stats {
        grid-template-columns: 1fr;
    }
    
    .education-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .timeline-card {
        padding: var(--space-lg);
    }
}

@media print {
    .navbar,
    .hero-actions,
    .contact-form,
    .footer,
    .back-to-top,
    .scroll-indicator,
    .theme-switcher,
    .menu-toggle {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    section {
        page-break-inside: avoid;
        margin-bottom: 2cm;
    }
    
    a {
        color: black;
        text-decoration: none;
    }
    
    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.9em;
        font-weight: normal;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }
}

.experience-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
    position: relative;
}

.exp-date-column {
    min-width: 120px;
    font-weight: 600;
    color: #4f46e5;
    position: relative;
    padding-right: 20px;
    text-align: right;
}

.exp-date-column::after {
    content: '';
    position: absolute;
    right: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, #4f46e5, #a5b4fc);
    border-radius: 2px;
}

.exp-content {
    flex: 1;
    padding-left: 10px;
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 10px;
}

.exp-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: #1f2937;
}

.exp-company {
    color: #4f46e5;
    font-weight: 600;
    font-size: 0.95rem;
    margin: 3px 0;
}

.exp-location {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #6b7280;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.exp-description {
    color: #4b5563;
    margin-bottom: 10px;
    font-size: 0.9rem;
}

.exp-achievements {
    list-style: none;
    padding-left: 0;
}

.exp-achievements li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #4b5563;
}

.exp-achievements li i {
    color: #10b981;
    font-size: 0.8rem;
    margin-top: 4px;
}

@media (max-width: 768px) {
    .experience-item {
        flex-direction: column;
        gap: 5px;
    }
    
    .exp-date-column {
        min-width: auto;
        text-align: left;
        padding-right: 0;
    }
    
    .exp-date-column::after {
        display: none;
    }
    
    .exp-content {
        padding-left: 0;
    }
}

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 9999;
    transform: translateX(120%);
    transition: transform 0.3s ease;
    max-width: 400px;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left-color: #10b981;
}

.notification-error {
    border-left-color: #ef4444;
}

.notification i {
    font-size: 1.5rem;
}

.notification-success i {
    color: #10b981;
}

.notification-error i {
    color: #ef4444;
}

.tooltip {
    position: fixed;
    background: var(--text-primary);
    color: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.2s, transform 0.2s;
    z-index: 10000;
    white-space: nowrap;
}

.tooltip::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--text-primary);
}

.tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.education-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.education-timeline {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.timeline-item {
    position: relative;
    padding-left: var(--space-xl);
    margin-bottom: var(--space-lg);
    border-left: 2px solid var(--border);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

.timeline-date {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.timeline-content h4 {
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card, .skill-category, .language-card {
    animation: fadeInUp 0.6s ease forwards;
}

.navbar.scrolled {
    background: rgba(var(--bg-primary-rgb), 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
}

.contact-card {
    position: relative;
    overflow: hidden;
}

.contact-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

.contact-card:hover::after {
    opacity: 1;
}

.about-content {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-lg);
}

.about-text {
    grid-column: span 2;
}

.about-image:first-of-type {
    grid-column: 3;
}

.about-image:last-of-type {
    grid-column: 3;
    margin-top: var(--space-lg);
}

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .about-text {
        grid-column: 1;
    }
    
    .about-image {
        grid-column: 1 !important;
        max-width: 400px;
        margin: 0 auto var(--space-3xl);
    }
}

.language-progress .progress-fill {
    width: 0;
    transition: width 1s ease-out;
}

.language-card.visible .progress-fill {
    width: var(--target-width) !important;
}

.project-badge-new {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    animation: pulse 2s infinite;
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 5rem;
    color: var(--primary);
    opacity: 0.2;
    font-family: serif;
}

.testimonial-content {
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin: 0;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.form-group input.error,
.form-group textarea.error {
    border-color: #ef4444;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.show {
    display: block;
}

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

@media (prefers-contrast: high) {
    :root {
        --primary: #0000ff;
        --text-primary: #000000;
        --text-secondary: #222222;
        --border: #000000;
    }
    
    .btn, .project-card, .skill-category {
        border: 2px solid currentColor;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .scroll-indicator,
    .floating-card,
    .tech-bubble {
        animation: none !important;
    }
}

.particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.2;
}

.reveal-fade-up {
    animation: revealFadeUp 0.8s ease forwards;
}

.reveal-fade-left {
    animation: revealFadeLeft 0.8s ease forwards;
}

.reveal-zoom-in {
    animation: revealZoomIn 0.6s ease forwards;
}

@keyframes revealFadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes revealFadeLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes revealZoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.section-header,
.about-card,
.project-card,
.skill-item,
.language-card,
.interest-card,
.contact-card {
    opacity: 0;
}

.section-header.revealed,
.about-card.revealed,
.project-card.revealed,
.skill-item.revealed,
.language-card.revealed,
.interest-card.revealed,
.contact-card.revealed {
    opacity: 1;
}

@keyframes cursor {
    0%, 100% { border-color: var(--primary); }
    50% { border-color: transparent; }
}

.initial-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-body);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    transition: opacity 0.5s;
}

img {
    transition: opacity 0.5s ease;
}

.project-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .particles-canvas,
    .custom-cursor {
        display: none !important;
    }
}