/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

:root {
            --bg-primary: #f5f5f5;
            --bg-secondary: #edf2f7;
            --text-primary: #2d3748;
            --text-secondary: #4a5568;
            --accent: #3b82f6;
            --accent-hover: #2563eb;
            --border: #e2e8f0;
            --shadow: rgba(0, 0, 0, 0.1);
            --card-bg: #ffffff;
            --card-bg-secondary: #f9fafb;
            --accent-color: #3b82f6;
            --accent-color-dark: #2563eb;
            --text-on-accent: #ffffff;
        }

        [data-theme="dark"] {
            --bg-primary: #1a202c;
            --bg-secondary: #2d3748;
            --text-primary: #f7fafc;
            --text-secondary: #a0aec0;
            --accent: #60a5fa;
            --accent-hover: #93c5fd;
            --border: #4a5568;
            --shadow: rgba(0, 0, 0, 0.3);
            --card-bg: #2d3748;
            --card-bg-secondary: #4a5568;
            --accent-color: #60a5fa;
            --accent-color-dark: #93c5fd;
            --text-on-accent: #ffffff;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            transition: all 0.3s ease;
        }        /* Navigation */
        nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(245, 245, 245, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 1.5rem;
    border-bottom: 2px solid var(--border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

[data-theme="dark"] nav {
    background: rgba(26, 32, 44, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 2rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    padding: 0.5rem 0.8rem;
    border-radius: 6px;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

/* Navigation Controls */
.nav-controls {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.toggle-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle-container {
    position: relative;
    cursor: pointer;
    background: var(--bg-secondary);
    border-radius: 20px;
    height: 32px;
    padding: 3px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
}

/* Language Toggle */
.toggle-container:first-child {
    width: 90px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.toggle-container:first-child * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.toggle-btn {
    position: relative;
    z-index: 2;
    background: none;
    border: none;
    width: 42px;
    height: 26px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: color 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.toggle-btn.active {
    color: white;
}

.toggle-container:first-child .toggle-slider {
    position: absolute;
    left: 3px;
    top: 3px;
    width: 42px;
    height: 26px;
    background: var(--accent);
    border-radius: 17px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    transform: translateX(0);
}

.toggle-btn:last-child.active ~ .toggle-slider {
    transform: translateX(42px);
}

.toggle-container:first-child[data-lang="fr"] .toggle-slider {
    transform: translateX(42px);
}

/* Theme Toggle */
.toggle-container:last-child {
    width: 84px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    position: relative;
    display: flex;
    justify-content: space-between;
    padding: 3px;
}

.toggle-container:last-child * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.theme-btn {
    position: relative;
    z-index: 2;
    background: none;
    border: none;
    width: 42px;
    height: 26px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.3s ease;
    pointer-events: none;
}

.theme-btn .icon {
    font-size: 16px;
    display: inline-block;
    line-height: 1;
}

.theme-btn.active {
    color: white;
}

.toggle-container:last-child .toggle-slider {
    position: absolute;
    left: 3px;
    top: 3px;
    width: 39px;
    height: 26px;
    background: var(--accent);
    border-radius: 17px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    transform: translateX(0);
}

.toggle-container:last-child[data-theme="dark"] .toggle-slider {
    transform: translateX(39px);
}

/* Hover Effects */
.toggle-btn:hover:not(.active) {
    color: var(--accent);
}

.toggle-label:hover .toggle-slider {
    box-shadow: 0 0 8px var(--accent);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .toggle-group {
        gap: 8px;
    }

    .toggle-container {
        height: 28px;
    }

    .toggle-container:first-child {
        width: 80px;
    }

    /* Language toggle adjustments */
    .toggle-btn {
        width: 37px;
        height: 22px;
        font-size: 0.85rem;
    }

    .toggle-container:first-child .toggle-slider {
        width: 37px;
        height: 22px;
    }

    .toggle-container:first-child[data-lang="fr"] .toggle-slider {
        transform: translateX(37px);
    }

    /* Theme toggle adjustments */
    .toggle-container:last-child {
        width: 74px;
    }

    .theme-btn {
        width: 37px;
        height: 22px;
    }

    .toggle-container:last-child .toggle-slider {
        width: 34px;
        height: 22px;
    }

    .toggle-container:last-child[data-theme="dark"] .toggle-slider {
        transform: translateX(34px);
    }

    .theme-btn .icon {
        font-size: 14px;
    }
}

/* Hero Section */        .hero {
            min-height: 100vh;
            background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(0, 0, 0, 0.2)), url('../images/bg.png');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        .animated-shape {
            position: absolute;
            border-radius: 50%;
            opacity: 0.15;
            filter: blur(80px);
            animation: float 20s infinite ease-in-out;
        }

        .shape1 {
            width: 500px;
            height: 500px;
            top: -250px;
            left: -200px;
            background: linear-gradient(135deg, var(--accent), transparent);
            animation-delay: 0s;
        }

        .shape2 {
            width: 400px;
            height: 400px;
            top: 40%;
            right: -200px;
            background: linear-gradient(225deg, var(--accent), transparent);
            animation-delay: -7s;
        }

        .shape3 {
            width: 300px;
            height: 300px;
            bottom: -150px;
            left: 20%;
            background: linear-gradient(45deg, var(--accent), transparent);
            animation-delay: -14s;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 2rem;
        }

        .hero-greeting {
            display: block;
            font-size: clamp(1.1rem, 2vw, 1.3rem);
            color: #fff;
            margin-bottom: 0.5rem;
            opacity: 0;
            animation: slideUp 0.8s ease-out 0.2s forwards;
        }

        .hero-title {
            font-size: clamp(2.5rem, 6vw, 4rem);
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            color: #fff;
            opacity: 0;
            animation: slideUp 0.8s ease-out 0.4s forwards;
        }

        .hero-title .highlight {
            color: var(--accent);
            display: inline-block;
        }

        .hero-subtitle {
            font-size: clamp(1.2rem, 3vw, 1.8rem);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 1.5rem;
            opacity: 0;
            animation: slideUp 0.8s ease-out 0.6s forwards;
        }

        .hero-description {
            font-size: clamp(1rem, 2vw, 1.1rem);
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 2rem;
            opacity: 0;
            animation: slideUp 0.8s ease-out 0.8s forwards;
        }

        .cta-container {
            display: flex;
            gap: 1rem;
            justify-content: center;
            opacity: 0;
            animation: slideUp 0.8s ease-out 1s forwards;
        }

        .cta-button {
            padding: 1rem 2rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .cta-button.primary {
            background: var(--accent);
            color: white;
            border: none;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }

        .cta-button.secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

        .cta-button:hover {
            transform: translateY(-3px);
        }

        .cta-button.primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }

        .cta-button.secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
        }

        @keyframes float {
            0%, 100% {
                transform: translate(0, 0) rotate(0deg);
            }
            25% {
                transform: translate(10px, -10px) rotate(5deg);
            }
            50% {
                transform: translate(-5px, 15px) rotate(-3deg);
            }
            75% {
                transform: translate(-10px, -5px) rotate(2deg);
            }
        }

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

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Section Styles */
        .section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
            color: var(--text-primary);
        }

        .hidden {
            display: none;
        }

        /* About Section */
        .about-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: start;
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 4px 20px var(--shadow);
        }

        .about-image-container {
            width: 100%;
            max-width: 300px;
            margin: 0 auto;
            aspect-ratio: 1;
            border-radius: 15px;
            overflow: hidden;
            background: var(--bg-secondary);
            box-shadow: 0 8px 24px var(--shadow);
            transition: transform 0.3s ease;
        }

        .about-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .about-text {
            padding: 0.5rem;
        }

        .about-heading {
            font-size: clamp(1.8rem, 5vw, 2.5rem);
            margin-bottom: 1.5rem;
            color: var(--accent);
            position: relative;
        }

        .about-description {
            line-height: 1.6;
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: clamp(1rem, 2vw, 1.1rem);
        }

        /* Media queries for About section */
        @media (min-width: 768px) {
    .about-container {
        padding: 2rem;
    }

    .about-content {
        grid-template-columns: 300px 1fr;
        gap: 3rem;
        padding: 2rem;
    }

    .about-text {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .about-container {
        padding: 1rem;
    }

    .about-content {
        padding: 1rem;
    }

    .about-image-container {
        max-width: 250px;
    }

    .about-heading {
        font-size: clamp(1.5rem, 4vw, 1.8rem);
        margin-bottom: 1rem;
    }

    .about-description {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }
}
        /* Info Cards */
        .info-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .info-card {
            background: var(--bg-secondary);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px var(--shadow);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 20px var(--shadow);
        }

        .info-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            background: var(--accent);
            color: white;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .info-card:hover .info-icon {
            transform: scale(1.1);
            background: var(--accent-hover);
        }

        .info-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.5rem;
        }

        .info-value {
            color: var(--text-primary);
            font-size: 1.1rem;
            font-weight: 600;
        }

        /* Resume Section */
        .timeline {
            position: relative;
            padding: 2rem 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--accent);
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            justify-content: flex-end;
            padding-right: 30px;
            position: relative;
            margin: 2rem 0;
            width: 50%;
        }

        .timeline-item:nth-child(odd) {
            align-self: flex-end;
            justify-content: flex-start;
            padding-left: 30px;
            padding-right: 0;
        }

        .timeline-content {
            background: var(--card-bg);
            padding: 1.5rem;            border-radius: 8px;
            box-shadow: 0 5px 15px var(--shadow);
            position: relative;
            transition: transform 0.3s ease;
        }

        .timeline-content:hover {
            transform: translateY(-5px);
        }

        .timeline-date {
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .timeline-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

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

        .download-cv {
            display: block;
            margin: 2rem auto;
            background: var(--accent);
            color: white;
            padding: 1rem 2rem;
            border: none;            border-radius: 4px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            text-align: center;
            max-width: 200px;
        }

        .download-cv:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px var(--shadow);
        }

        /* Work Section */
        .filter-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .filter-btn {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
            padding: 0.5rem 1.5rem;            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }

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

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .project-card {
            background: var(--card-bg);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px var(--shadow);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            cursor: pointer;
            transform-origin: center;
        }

        .project-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px var(--shadow);
        }

        .project-card:active {
            transform: translateY(-4px);
        }        .project-image {
            width: 100%;
            height: 250px;
            overflow: hidden;
            position: relative;
            background-color: var(--bg-secondary);
        }

        .project-date-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(59, 130, 246, 0.9);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            font-size: 0.9rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            z-index: 1;
            transition: all 0.3s ease;
        }

        .project-card:hover .project-date-badge {
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            background: var(--accent);
        }

        .project-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            transition: transform 0.3s ease;
        }

        .project-content {
            padding: 1.5rem;
            transform: translateY(0);
            transition: transform 0.3s ease;
        }

        .project-link-badge {
            display: inline-block;
            background: linear-gradient(135deg, #dc2626, #b91c1c);
            /* Red gradient */
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            text-decoration: none;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            margin-top: 10px;
            position: relative;
        }

        .project-link-badge::before {
            content: "🔗";
            margin-right: 6px;
        }

        .project-link-badge:hover {
            transform: translateY(-2px) scale(1.05);
            box-shadow: 0 4px 12px rgba(220, 38, 38, 0.4);
        }

        .project-card:hover .project-content {
            transform: translateY(-4px);
        }

        .project-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .project-date {
            font-size: 0.9rem;
            color: var(--accent);
            margin-bottom: 0.5rem;
            font-weight: 500;
        }

        .project-description {
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .project-tech {
            color: var(--accent);
            font-size: 0.9rem;
            font-weight: 500;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .project-tech span {
            background: var(--accent);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: all 0.3s ease;
        }

        .project-card:hover .project-tech span {
            background: var(--accent-hover);
        }        /* Modal and Carousel */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.9);
            z-index: 2000;
            padding: 2rem;
            overflow-y: auto;
        }

        .modal {
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .modal.show {
            opacity: 1;
            pointer-events: auto;
            display: flex !important;
            /*align-items: center;*/
             align-items: flex-start; /* aligné en haut au lieu de centré */
            justify-content: center;
        }

        .modal-content {
            transform: scale(0.95);
            transition: transform 0.3s ease;
        }

        .modal.show .modal-content {
            transform: scale(1);
        }

        .modal-content {
            background: var(--card-bg);
            max-width: 900px;
            width: 95%;
            margin: 2rem auto;
            border-radius: 15px;
            padding: 2rem;
            position: relative;
            transform: translateY(20px);
            opacity: 0;
            transition: all 0.3s ease;
            
        }

        .modal.show .modal-content {
            transform: translateY(0);
            opacity: 1;
        }

        .carousel-container {
            position: relative;
            width: 100%;
            margin: 0 auto;
            background: var(--bg-secondary);
            border-radius: 8px;
            overflow: hidden;
            aspect-ratio: 16/9;
            margin-bottom: 2rem;
        }

        .carousel-content {
            position: relative;
            width: 100%;
            height: 100%;
        }

        .carousel-item {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 0.4s ease;
            display: none;
        }

        .carousel-item.active {
            opacity: 1;
            display: block;
            animation: fadeZoomIn 0.4s ease;
        }

        .carousel-item img,
        .carousel-item video {
            width: 100%;
            height: 100%;
            object-fit: contain;
            background: var(--bg-secondary);
        }

        .carousel-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background: rgba(0, 0, 0, 0.6);
            color: white;
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            display: none;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            z-index: 10;
            opacity: 0.7;
        }

        .carousel-btn:hover {
            background: var(--accent);
            opacity: 1;
        }

        .carousel-btn.prev {
            left: 1rem;
        }

        .carousel-btn.next {
            right: 1rem;
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 2rem;
            cursor: pointer;
            z-index: 11;
            transition: all 0.3s ease;
        }

        .modal-close:hover {
            color: var(--accent);
            transform: scale(1.1);
        }

        #modalContent {
            color: var(--text-primary);
        }

        .project-subtitle {
            color: var(--text-primary);
            margin: 1.5rem 0 1rem;
            font-size: 1.3rem;
        }

        .project-technologies {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .project-technologies span {
            background: var(--accent);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.9rem;
        }

        /* Contact Section */
        .contact-intro {
            text-align: center;
            max-width: 600px;
            margin: 0 auto 3rem;
        }

        .contact-description {
            font-size: 1.2rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .contact-content {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 2rem 0;
        }

        .contact-links {
            display: flex;
            justify-content: center;
            gap: 3rem;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .contact-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            color: var(--text-primary);
            transition: all 0.3s ease;
            padding: 2rem;
            background: var(--card-bg);
            box-shadow: 0 5px 15px var(--shadow);
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            width: 300px;
        }

        /* Contact Section Responsive Styles */
        @media (max-width: 1024px) {
            .contact-links {
                gap: 2rem;
            }

            .contact-link {
                width: 280px;
                padding: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .contact-links {
                gap: 1.5rem;
            }

            .contact-link {
                width: 100%;
                max-width: 400px;
                padding: 1.5rem;
            }

            .contact-icon {
                width: 50px;
                height: 50px;
                font-size: 1.3rem;
            }

            .contact-text {
                font-size: 1rem;
            }

            .contact-detail {
                font-size: 0.85rem;
            }
        }

        @media (max-width: 480px) {
            .contact-links {
                gap: 1rem;
            }

            .contact-link {
                padding: 1.2rem;
            }

            .contact-icon {
                width: 45px;
                height: 45px;
                font-size: 1.2rem;
                margin-bottom: 0.8rem;
            }
        }

        .contact-link:hover {
            transform: translateY(-5px);
            color: var(--accent);
        }

        .contact-icon {
            width: 60px;
            height: 60px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            border-radius: 50%;
            transition: all 0.3s ease;
        }

        .contact-link:hover .contact-icon {
            background: var(--accent-hover);
            transform: scale(1.1);
        }

        .contact-text {
            font-weight: 600;
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }

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

        /* Form Styles */
        .email-form-section {
            margin-top: 4rem;
            padding-top: 4rem;
            border-top: 2px solid var(--border);
        }

        .email-form-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 2rem;
            color: var(--text-primary);
        }

        .contact-form-container {
            max-width: 600px;
            margin: 0 auto;
            padding: 2rem;
            background: var(--card-bg);
            border-radius: 8px;
            box-shadow: 0 5px 20px var(--shadow);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid var(--border);
            background: var(--bg-primary);
            color: var(--text-primary);
            border-radius: 4px;
            font-size: 1rem;
            outline: none;
            transition: all 0.3s ease;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
            transform: translateY(-1px);
        }

        .form-group input:focus::placeholder,
        .form-group textarea:focus::placeholder {
            opacity: 0.7;
        }

        /* Accessibility Focus Styles */
        a:focus,
        button:focus,
        input:focus,
        textarea:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4);
        }

        .toggle-switch:focus,
        .filter-btn:focus,
        .cta-button:focus,
        .carousel-btn:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4);
        }

        /* Loading State Styles */
        .submit-btn {
            position: relative;
            overflow: hidden;
        }

        .submit-btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
        }

        .btn-loading {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .loading-dot {
            width: 6px;
            height: 6px;
            background: currentColor;
            border-radius: 50%;
            animation: loadingDot 1.4s infinite ease-in-out both;
        }

        .btn-text.hidden,
        .btn-loading.hidden {
            display: none;
        }

        /* Resume Section Styles */
        .resume-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .resume-card {
            background: var(--card-bg);
            border-radius: 12px;
            box-shadow: 0 4px 6px var(--shadow);
            overflow: hidden;
            transition: transform 0.3s ease;
        }

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

        .card-header {
            background: var(--card-header-bg, var(--accent));
            color: white;
            padding: 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .card-icon {
            font-size: 1.5rem;
            background: rgba(255, 255, 255, 0.2);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .card-title {
            margin: 0;
            font-size: 1.3rem;
            font-weight: 600;
        }

        .card-content {
            padding: 1.5rem;
        }

       .card-content .role {
        color: var(--accent);
       }

        .skills .card-content {
    display: grid;
    gap: 2rem;
    padding: 1.5rem;
}

.skill-group {
    background: var(--card-bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-group:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.skill-group h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.skill-tag {
    background: var(--accent-color);
    color: var(--text-on-accent);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    background: var(--accent-color-dark);
}

@media (min-width: 768px) {
    .skills .card-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Dark theme specific adjustments */
[data-theme="dark"] .skill-group {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .skill-tag {
    background: var(--accent-color-dark);
}

[data-theme="dark"] .skill-tag:hover {
    background: var(--accent-color);
}

        .timeline-item {
            position: relative;
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
            border-left: 2px solid var(--accent);
        }

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

        .timeline-item h4 {
            color: var(--text-primary);
            margin: 0 0 0.5rem 0;
            font-size: 1.1rem;
        }

        .timeline-item .date {
            color: var(--accent);
            font-size: 0.9rem;
            margin: 0 0 0.5rem 0;
        }

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

        .exp-list {
            list-style: none;
            padding: 0;
            margin: 0.5rem 0 0 0;
        }

        .exp-list li {
            color: var(--text-secondary);
            margin-bottom: 0.3rem;
            padding-left: 1rem;
            position: relative;
        }

        .exp-list li::before {
            content: "•";
            color: var(--accent);
            position: absolute;
            left: 0;
        }

        .skills-grid {
            display: grid;
            gap: 1.5rem;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }

        .skill-group h4 {
            color: var(--text-primary);
            margin: 0 0 1rem 0;
            font-size: 1.1rem;
        }

        .skill-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .skill-tag {
            background: var(--tag-bg, var(--accent-light));
            color: var(--text-primary);
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
        }

        .resume-flex-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

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

        .cert-list li {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            margin-bottom: 1rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .cert-link {
            display: inline-block;
            padding: 0.4rem 1rem;
            background-color: var(--accent);
            color: var(--text-on-accent);
            text-decoration: none;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
            align-self: flex-start;
            margin-top: 0.5rem;
            box-shadow: 0 2px 4px var(--shadow);
        }

        .cert-link:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px var(--shadow);
        }

        [data-theme="dark"] .cert-link {
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
        }

        .download-cv {
            display: inline-block;
            margin: 2rem auto;
            padding: 1rem 2rem;
            background-color: var(--accent);
            color: white;
            text-decoration: none;
            border-radius: 25px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .download-cv:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px var(--shadow);
        }

        .download-cv-container {
    display: flex;
    justify-content: center;
    margin: 3rem auto 1rem;
}

.download-options {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.cv-download-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow);
    transition: all 0.3s ease;
}

.cv-download-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px var(--shadow);
}

.cv-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: var(--accent-color);
    color: white;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.cv-download-button:hover .cv-icon {
    background: var(--accent-color-dark);
    transform: scale(1.1);
}

.cv-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

[data-theme="dark"] .cv-download-button {
    background: var(--card-bg-secondary);
}

.cert-link {
    display: inline-block;
    margin-left: 0.5rem;
    padding: 0.2rem 0.8rem;
    background-color: var(--accent);
    color: var(--text-on-accent);
    text-decoration: none;
    border-radius: 15px;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

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

[data-theme="dark"] .cert-link {
    background-color: var(--accent);
    color: var(--text-on-accent);
}

@media (max-width: 768px) {
    .nav-container {
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero-subtitle {
        font-size: clamp(1.2rem, 4vw, 1.5rem);
    }

    .section {
        padding: 3rem 1rem;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .modal-content {
        padding: 1rem;
        margin: 1rem;
    }

    .carousel-container {
        aspect-ratio: 4/3;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
        font-size: 1.2rem;
    }

    .project-technologies {
        gap: 0.5rem;
    }

    .project-technologies span {
        font-size: 0.8rem;
        padding: 0.3rem 0.7rem;
    }

    .resume-container {
        padding: 1rem;
    }

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

    .resume-flex-container {
        grid-template-columns: 1fr;
    }
}

        @media (max-width: 480px) {
    .nav-links {
        gap: 0.5rem;
    }

    .nav-links a {
        font-size: 0.85rem;
        padding: 0.3rem 0.5rem;
    }

    .nav-controls {
        gap: 0.6rem;
    }
}

/* Hamburger Menu */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all 0.3s ease;
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 998;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile Navigation Styles */
@media (max-width: 850px) {
    .hamburger-menu {
        display: flex;
    }

    .nav-container {
        padding: 1rem;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: -300px;
        width: 280px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 80px 2rem 2rem;
        z-index: 999;
        transition: left 0.3s ease;
        box-shadow: 4px 0 15px rgba(0, 0, 0, 0.1);
        gap: 2rem;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links a {
        font-size: 1.1rem;
        width: 100%;
        text-align: left;
        padding: 1rem;
    }

    body.menu-open {
        overflow: hidden;
    }

    .hamburger-menu.active .hamburger-line:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

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

    .hamburger-menu.active .hamburger-line:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .nav-controls {
        margin-left: 0;
    }

    [data-theme="dark"] .nav-links {
        background: var(--bg-primary);
        box-shadow: 4px 0 15px rgba(0, 0, 0, 0.3);
    }
}

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

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
        }

        @keyframes fadeZoomIn {
            from {
                opacity: 0;
                transform: scale(0.95);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

        .experience .timeline-item {
    position: relative;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--card-bg-secondary);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.experience .timeline-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.experience h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent-color);
    display: inline-block;
}

.experience .experience-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Uses shared .date-tag class */

.experience .role {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.2rem 0.8rem;
    background: rgba(var(--accent-rgb), 0.1);
    border-radius: 15px;
}

.experience .exp-list {
    list-style: none;
    padding-left: 0;
    margin: 1rem 0;
}

.experience .exp-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.experience .exp-list li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.experience .tech-stack {
    margin-top: 1rem;
}

.experience .tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.experience .tech-item {
    background: var(--accent-color-light);
    color: var(--accent-color);
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.experience .tech-item:hover {
    background: var(--accent-color);
    color: var(--text-on-accent);
    transform: translateY(-2px);
}

@media (min-width: 768px) {
    .experience .card-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

[data-theme="dark"] .experience .timeline-item {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .experience .tech-item {
    background: rgba(255, 255, 255, 0.1);
}

.education .card-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.education .skill-group {
    padding: 1.2rem;
    background: var(--card-bg-secondary);
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.education .skill-group:hover {
    transform: translateY(-2px);
}

.education .skill-group h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
}

.education .title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.education .date-tag {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
}

.education .description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

@media (min-width: 768px) {
    .education .card-content {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 1.5rem;
    }

    .education .skill-group {
        flex: 1;
        min-width: 300px;
    }
}

@media (max-width: 480px) {
    .education .skill-group {
        padding: 1rem;
    }

    .education .skill-group h4 {
        font-size: 1rem;
    }

    .education .date-tag {
        font-size: 0.8rem;
        padding: 0.2rem 0.6rem;
    }

    .education .description {
        font-size: 0.9rem;
    }
}

/* Shared date-tag styles */
.date-tag {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-color);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.date-tag:hover {
    background: rgba(59, 130, 246, 0.25);
    transform: translateY(-1px);
}

[data-theme="dark"] .date-tag {
    background: rgba(96, 165, 250, 0.15);
}

/* Experience card styles */
.experience .card-content {
    display: grid;
    gap: 2rem;
}

.experience-group {
    background: var(--card-bg-secondary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.experience-group:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.experience-group .title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.experience-group h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    flex: 1;
    min-width: 200px;
}

.experience-group .description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 1rem 0;
}

.experience-group .skill-tags {
    margin-top: 1.5rem;
}

/* Dark theme adjustments */
[data-theme="dark"] .experience-group {
    background: rgba(255, 255, 255, 0.05);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .experience-group {
        padding: 1.2rem;
    }
    
    .experience-group h4 {
        font-size: 1rem;
    }
    
    .experience-group .title-row {
        gap: 0.8rem;
    }
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.submit-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn .btn-text {
    position: relative;
    z-index: 1;
}

/* Loading state styles */
.submit-btn.loading {
    background: var(--accent-hover);
    cursor: not-allowed;
}

.btn-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.loading-dot {
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    animation: loadingDots 1s infinite ease-in-out;
}

.loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes loadingDots {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.5); opacity: 0.5; }
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--accent);
    color: var(--text-on-accent);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 2px 10px var(--shadow);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
}

.back-to-top.show {
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

.association-item .description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-top: 0.5rem;
    padding-left: 0.5rem;
    border-left: 2px solid var(--accent);
}

.association-item {
    margin-bottom: 1.5rem;
}

.association-item:last-child {
    margin-bottom: 0;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    background-color: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    animation: floatParticle 15s infinite linear;
}

@keyframes floatParticle {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}