@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Variables */
:root {
    --bg-color: #f8f9fa;
    --text-color: #343a40;
    --accent-color: #34568B;
    --accent-hover: #233249;
    --secondary-color: #6c757d;
    --secondary-bg: #e9ecef;
    --card-bg: #ffffff;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --hover-shadow: 0 8px 24px rgba(0, 0, 0, 0.09);
    --border-radius: 20px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.8rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
}

.dark-mode {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --accent-color: #4A6B8A;
    --accent-hover: #000000;
    --secondary-color: #9aa0a6;
    --secondary-bg: #1f1f1f;
    --card-bg: #1e1e1e;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    --hover-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Base styles */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
    padding-top: 60px;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
}

h2 {
    color: var(--text-color);
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    padding-bottom: var(--spacing-xs);
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    border-radius: 3px;
}

p {
    text-align: center;
    font-size: 1rem;
    margin: var(--spacing-xs) 0;
    color: var(--secondary-color);
    line-height: 1.7;
}

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

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

/* Header */
header {
    background-color: var(--accent-hover);
    color: white;
    text-align: center;
    padding: var(--spacing-sm);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

nav a {
    color: white;
    font-weight: 500;
    transition: all var(--transition);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
}

select {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    padding: 0.3rem 0.5rem;
}

select option {
    background-color: var(--accent-color);
    color: white;
}

/* Buttons */
button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--accent-color);
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}
.download-btn {
    background-color: transparent;
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
    padding: 0.7rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all var(--transition);
    display: inline-block;
    margin: 0 auto;
    text-align: center;
}

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

.btn-container {
    display: flex;
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 500;
    transition: all var(--transition);
}

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

.download-cv .rapport-btn {
    background: none;
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
    border-radius: var(--border-radius);
    padding: 0.7rem 1.6rem;
    font-size: 1rem;
    font-weight: 500;
    box-shadow: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
    margin-top: 0.7rem;
    letter-spacing: 0.01em;
}

.download-cv .rapport-btn i {
    margin-right: 0.5em;
}

.download-cv .rapport-btn:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
    transform: translateY(-2px) scale(1.01);
}

/* Profile section */
.text-container {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
}

.text-container h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin: var(--spacing-md) 0 var(--spacing-xs);
    color: var(--text-color);
}

.text-container p {
    margin: var(--spacing-md) 0 0;
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--accent-color);
}

.profile-image-container {
    width: 180px;
    height: 180px;
    margin: 0 auto;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid white;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    position: relative;
}

.profile-image-container::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(0, 80, 219, 0.1);
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 1;
}

.profile-image-container:hover {
    transform: scale(1.03);
    box-shadow: var(--hover-shadow);
}

.profile-image-container:hover::before {
    opacity: 1;
}

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

/* Skills section */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-md) 0;
}

.skill {
    background-color: var(--secondary-bg);
    padding: 0.7rem 1.3rem;
    border-radius: 30px;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.skill:hover {
    transform: translateY(-3px);
    background-color: var(--secondary-color);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Cards (Education, Projects) */
.education, .project {
    background-color: var(--card-bg);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all var(--transition);
}

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

.education:hover, .project:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.education-image {
    width: 90px;
    height: 90px;
    object-fit: cover;
}

.education h3 {
    margin-top: 0;
    color: var(--text-color);
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
}

.education h4 {
    margin-top: 0.4rem;
    margin-top: 0;
    margin-bottom: 0.4rem;
    color: var(--secondary-color);
    font-size: 1.1rem;
    font-weight: 500;
}

.education-date {
    margin-top: 0.4rem;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--secondary-color);
    text-align: left;
    display: block;
}
.education p {
    text-align: left;
    margin-bottom: 0;
}

.education-content {
    flex: 1;
}

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

.centered-container, .stage-description {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.centered-container p, .stage-description {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stage-description {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 800px;
    text-align: left;
    margin-bottom: 0;
}

@media (max-width: 800px) {
    .education-date {
        text-align: center;
    }
}

/* Projects */
.project-title {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.project-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition);
}

.project:hover .project-image {
    transform: scale(1.02);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
}

.project-tags span {
    background-color: var(--secondary-bg);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--secondary-color);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: var(--spacing-md);
}

/* Carousel */
.carousel-container {
    position: relative;
    margin: 2rem 0;
    padding: 0 60px;
}

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

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-inner .project {
    min-width: 100%;
    box-sizing: border-box;
}

.carousel-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    width: 48px;
    height: 48px;
    background-color: var(--card-bg);
    color: var(--accent-color);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    transition: all var(--transition);
    opacity: 0.9;
    backdrop-filter: blur(4px);
}

.carousel-button:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 1;
    border-radius: 50%;
}

.carousel-button:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-button.prev {
    left: 0;
}

.carousel-button.next {
    right: 0;
}

.carousel-progress {
    width: 100%;
    height: 4px;
    background-color: var(--secondary-bg);
    margin-top: 1rem;
    border-radius: 2px;
    overflow: hidden;
}

.carousel-progress-bar {
    height: 100%;
    width: 0;
    background-color: var(--accent-color);
    transition: width 0.1s linear;
}

.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1rem;
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--secondary-bg);
    cursor: pointer;
    transition: all var(--transition);
}

.carousel-indicator.active {
    background-color: var(--accent-color);
    transform: scale(1.2);
}

#prevBtn, #nextBtn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    width: 40px;
    height: 40px;
    background-color: var(--card-bg);
    color: var(--accent-color);
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: all var(--transition);
}

#prevBtn:hover, #nextBtn:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-50%) scale(1.1);
}

#prevBtn {
    left: 5px;
}

#nextBtn {
    right: 5px;
}

@media (max-width: 768px) {
    .carousel-container {
        padding: 0 50px;
    }
    
    #prevBtn, #nextBtn {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xs: 0.4rem;
        --spacing-sm: 0.7rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    body {
        padding-top: 0;
        font-size: 15px;
    }

    header {
        display: none;
    }

    main {
        padding: 1rem 0.5rem;
    }

    section {
        margin-bottom: var(--spacing-lg);
        padding: var(--spacing-sm) 0;
    }

    h2 {
        font-size: 1.2rem;
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-xs);
    }

    .text-container {
        padding: var(--spacing-lg) var(--spacing-xs);
        margin-bottom: var(--spacing-lg);
    }

    .text-container h1 {
        font-size: 1.3rem;
        margin-bottom: var(--spacing-xs);
    }

    .text-container p {
        font-size: 1rem;
        margin-top: 0.3rem;
        margin-bottom: 0.7rem;
    }

    .profile-image-container {
        width: 90px;
        height: 90px;
        margin-bottom: var(--spacing-xs);
    }

    .skills-list {
        gap: 0.3rem;
        margin: var(--spacing-sm) 0;
    }

    .skill {
        font-size: 0.75rem;
        padding: 0.3rem 0.7rem;
        margin-bottom: 0.2rem;
    }

    .education, .project {
        flex-direction: column !important;
        text-align: center;
        padding: var(--spacing-xs);
        margin-bottom: var(--spacing-sm);
        gap: var(--spacing-xs);
    }

    .education-image {
        width: 60px;
        height: 60px;
        margin-bottom: var(--spacing-xs);
    }

    .education-content, .education-date, .stage-description {
        text-align: center;
        justify-content: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .stage-description,
    .stage-description p {
        text-align: center;
        justify-content: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .stage-description {
        margin-left: 0;
        margin-right: 0;
    }

    .education-date {
        margin-left: 0;
        margin-right: 0;
    }

    .education-content h3, .education-content h4 {
        font-size: 1rem;
        margin-bottom: 0.2rem;
    }

    .education-date {
        font-size: 0.8rem;
        margin-bottom: 0.2rem;
    }

    .project-image {
        height: 110px;
        margin-bottom: var(--spacing-xs);
    }

    .filter-buttons {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
        margin-bottom: var(--spacing-sm);
    }

    .filter-btn {
        margin: 0;
        min-width: 90px;
        text-align: center;
        width: 100%;
        padding: 0.4rem;
        font-size: 0.75rem;
        margin-bottom: 0.1rem;
    }

    .carousel-container {
        padding: 0 5px;
        margin: var(--spacing-sm) 0;
    }

    #prevBtn, #nextBtn, .carousel-control {
        width: 28px;
        height: 28px;
        font-size: 13px;
    }

    .contact-info {
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
    }

    .contact-item {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }

    .btn-container {
        margin: var(--spacing-sm) 0;
    }

    .download-btn, .rapport-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* Contact section */
.contact-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.contact-item {
    background-color: var(--secondary-bg);
    color: var(--text-color);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: all var(--transition);
    border-radius: 50%;
}

.contact-item:hover {
    transform: translateY(-5px);
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
/* Responsive styles */
@media (max-width: 800px) {
    :root {
        --spacing-md: 1rem;
        --spacing-lg: 1.8rem;
        --spacing-xl: 2.5rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .text-container h1 {
        font-size: 2rem;
    }
    
    .text-container p {
        font-size: 1.3rem;
    }
    
    .profile-image-container {
        width: 140px;
        height: 140px;
    }
    
    .education {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .education-image {
        margin: 0 auto var(--spacing-sm);
    }
    
    .education h3 {
        font-size: 1.2rem;
    }
    
    .education h4 {
        font-size: 1rem;
    }
    
    .project-title {
        font-size: 1.2rem;
    }
    
    .skill {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
    
    button, .download-btn, .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .carousel-control {
        width: 38px;
        height: 38px;
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.6rem;
        --spacing-md: 0.8rem;
    }
    
    body {
        padding-top: 0;
    }
    
    header {
        display: none;
    }
    
    main {
        padding: 0.8rem;
    }
    
    h2 {
        font-size: 1.4rem;
    }
    
    .text-container {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .text-container h1 {
        font-size: 1.8rem;
    }
    
    .text-container p {
        font-size: 1.1rem;
    }
    
    .profile-image-container {
        width: 120px;
        height: 120px;
    }
    
    .project-image {
        height: 160px;
    }
    
    .filter-buttons {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 5px;
    }
    
    .filter-btn {
        width: 100%;
        padding: 0.5rem;
        font-size: 0.8rem;
    }
    
    .contact-item {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}