/* Palette : Bleu nuit, bleu clair, blanc, gris doux, accents orange */
:root {
    --primary-bg: #1a2236;
    --secondary-bg: #232b45;
    --accent-bg: #fca311;
    --text-main: #f8f9fa;
    --text-muted: #bfc9d1;
    --card-bg: #232b45;
    --shadow: 0 4px 16px rgba(30, 40, 60, 0.25);
    --border-radius: 12px;
    --transition: 0.3s cubic-bezier(.4,0,.2,1);
}
html{
    background-color: var(--secondary-bg);
    overflow-x: clip;
}
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, var(--primary-bg) 60%, var(--secondary-bg) 100%);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    overflow-x: clip;
}

h1 {
    text-align: center;
    font-size: 2.7em;
    margin-top: 32px;
    color: var(--accent-bg);
    text-shadow: 0 2px 8px #0004;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.alternance {
    text-align: center;
    font-size: 2em;
    margin-top: 24px;
    color: var(--accent-bg);
    text-shadow: 0 2px 8px rgb(0, 0, 0);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
p.intro {
    color: var(--text-muted);
    text-align: justify;
    padding: 24px;
    font-size: 1.15em;
    margin: 2% auto;
    line-height: 1.5;
    max-width: 700px;
    text-shadow: 0 1px 2px #0002;
}

a {
    color: var(--accent-bg);
    text-decoration: none;
    padding: 8px 0;
    transition: color var(--transition);
}
a:hover {
    color: #ffbe5c;
}

.menu-toggle {
    display: none;
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--accent-bg);
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.menu-toggle:hover {
    transform: scale(1.1);
    background: #ffbe5c;
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

nav {
    width: 100%;
    background: var(--secondary-bg);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 0;
    border-bottom: 2px solid #fca311;
}

nav.active {
    transform: translateX(0);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 32px;
    margin: 0;
    padding: 0;
}

nav ul li a {
    color: var(--text-main);
    font-size: 1.1em;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 12px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 80px;
    text-align: center;
}

nav ul li a:hover {
    background: var(--accent-bg);
    color: var(--primary-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(121, 233, 255, 0.3);
}

nav ul li a .material-symbols-outlined {
    font-size: 24px;
    font-weight: 300;
    transition: all var(--transition);
    margin-bottom: 8px;
}

nav ul li a:hover .material-symbols-outlined {
    transform: scale(1.1);
}

nav ul li a .nav-text {
    font-size: 1.1em;
    font-weight: 500;
    letter-spacing: 0.5px;
}

main {
    width: 100%;
}

main section {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
li{
    list-style: none;
}
.link-cards{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: start;
    gap: 5%;
    margin: 2%;
}

.education-section,
.certifications {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 32px auto;
    padding: 24px;
    max-width: 80%;

}

.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 18px 24px 48px 24px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    position: relative;
    margin-bottom: 18px;
}
.card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 24px #0005;
}
.card h2 {
    border-bottom: 2px solid var(--accent-bg);
    padding-bottom: 8px;
    font-size: 1.4em;
    margin-bottom: 12px;
    color: var(--accent-bg);
    text-align: center;
}
.card p {
    font-size: 1em;
    line-height: 1.6;
    color: var(--text-muted);
    text-align: justify;
}
.card ul {
    list-style: square inside;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}
.education-section .card h3 {
    font-size: 1.1em;
    margin-top: 12px;
    margin-bottom: 6px;
    border-top: 2px solid var(--accent-bg);
    padding-top: 8px;
    position: absolute;
    bottom: 12px;
    width: 95%;
    text-align: center;
    color: var(--accent-bg);
}

/* Page de veille : les sous-titres (3.1, 4.1, 4.2, ...) sont affichés
   au-dessus de leur contenu, dans le flux normal, avec une ligne dessous. */
.veille-section .card h3 {
    position: static;
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.15em;
    font-weight: 600;
    text-align: left;
    color: var(--accent-bg);
    border-top: none;
    padding-top: 0;
    border-bottom: 2px solid var(--accent-bg);
    padding-bottom: 4px;
}
.card h4 {
    font-size: 1em;
    margin: 6px 0;
    color: var(--text-main);
}
.certifications{
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.certifications h2 {
    text-align: center;
    margin-bottom: 18px;
    color: var(--accent-bg);
}
.certifications ul {
    list-style: none;
    padding: 0;
    justify-content: center;
}
.certifications li {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
}
.certif{
    max-width: 90%;
    margin: 5% auto;

}
.certifications .certif ul {
    width: 100%;
    border-radius: 8px;
    display: grid;
    /* use fixed pixel gaps to avoid percentage overflow/overlap issues */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    padding: 16px;
}
.certif ul li {
    height: auto;
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    text-align: center;
}

/* override for items that also use the generic .card class inside certifications
   so they don't inherit heavy padding/absolute positioning used elsewhere */
.certifications .certif ul li.card {
    position: static;
    padding: 16px;
    margin-bottom: 0;
}
.external-link-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    background: var(--secondary-bg);
    transition: all var(--transition);
    margin-top: 12px;
}

.external-link-icon:hover {
    background: var(--accent-bg);
    transform: translateY(-2px) scale(1.1);
}

.external-link-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--text-muted);
}

.external-link-icon:hover svg {
    fill: var(--primary-bg);
}

.certif ul li a{
    display: block;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--text-main);
    transition: background var(--transition);
}

.certif ul li:hover {
    transform: scale(1.04);
    box-shadow: 0 8px 24px #fca31155;
}
.certification-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

.certification-content p {
    flex-grow: 1;
    margin: 12px 0;
}

.certifications .certif ul li h4 {
    border-bottom: 2px solid var(--accent-bg);
    padding-bottom: 6px;
    font-size: 1.1em;
    text-align: center;
    color: var(--accent-bg);
    margin-bottom: 12px;
}

.competence_page section{
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 24px;
}

.competences {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    background: var(--secondary-bg);
    max-width: 80%;
    width: 100%;
}
.competence_page section ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1em;
}

.competence_page section ul li,
.education-section div.card ul li,
.project-features ul li{
    height: fit-content;
    background: #1a2236cc;
    border-radius: var(--border-radius);
    padding: 14px;
    margin-bottom: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    font-size: 1.05em;
    color: var(--text-main);
    transition: transform var(--transition), background var(--transition);
    cursor: pointer;
}
.competence_page section ul li:hover,
.education-section div.card ul li:hover,
.project-features ul li:hover{
    background: var(--accent-bg);
    color: var(--primary-bg);
    cursor: pointer;
    transform: scale(1.05);
    box-shadow: 0 8px 24px #fca31155;
}
.competence_page section ul li:hover a,
.education-section div.card ul li:hover a,
.project-features ul li:hover a,
.certif ul li:hover a {
    color: var(--primary-bg);
}
.used-tech{
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 15%;
}
.used-language, .badge {
    background: #2d3a5a;
    border-radius: var(--border-radius);
    padding: 8px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), background var(--transition);
    color: var(--accent-bg);
}
.used-language:hover, .badge:hover {
    background: #fca31122;
    cursor: pointer;
    transform: scale(1.05);
    color: var(--primary-bg);
}

.card span {
    display: inline-block;
    margin-right: 10px;
    margin-bottom: 10px;
}

.project-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    max-width: 95%;
    margin: 40px auto;
    padding: 0 20px;
}

.experience-section {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 32px auto;
    padding: 24px;
    max-width: 80%;
}

.experience-card {
    position: relative;
    padding: 24px;
}

.experience-title {
    color: var(--text-main);
    font-size: 1.6em;
    margin-bottom: 16px;
    text-align: left;
}

.experience-date {
    color: var(--accent-bg);
    font-size: 1.1em;
    margin: 8px 0;
    font-weight: 500;
}

.experience-duration {
    color: var(--text-muted);
    font-size: 0.9em;
    margin: 4px 0 16px 0;
    font-style: italic;
}

.experience-content {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.experience-content h3 {
    color: var(--accent-bg);
    border-bottom: 2px solid var(--accent-bg);
    padding-bottom: 8px;
    margin: 24px 0 16px 0;
}

.experience-content ul {
    list-style-type: none;
    padding-left: 0;
}

.experience-content ul ul {
    padding-left: 20px;
    margin: 8px 0;
}

.experience-content li {
    margin: 12px 0;
    line-height: 1.6;
}

.experience-content li strong {
    color: var(--text-main);
}

.skills-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.skills-list li {
    background: var(--secondary-bg);
    padding: 12px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: all var(--transition);
}

.skills-list li:hover {
    background: var(--accent-bg);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

.project-container {
    margin-bottom: 1em;
    position: relative;
    background: linear-gradient(135deg, #2d3a5a 0%, #232b45 100%);
    border-radius: 1em;
    padding: 32px;
    box-shadow: 0 8px 32px rgba(30, 40, 60, 0.4);
    transition: all var(--transition);
    border-left: 6px solid var(--accent-bg);
    overflow: hidden;
}

.project-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-bg), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.project-container:hover {
    transform: translateY(-12px);
    box-shadow: 0 16px 48px rgba(252, 163, 17, 0.25);
    border-left-width: 8px;
}

.project-container:hover::before {
    opacity: 1;
}

.project-title {
    font-size: 1.8em;
    color: var(--accent-bg);
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--accent-bg), #ffbe5c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.project-description {
    color: var(--text-muted);
    font-size: 0.95em;
    margin: 12px 0;
    line-height: 1.6;
    padding: 8px 0;
    border-bottom: 1px solid rgba(252, 163, 17, 0.2);
    padding-bottom: 12px;
}

.used-tech {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    margin: 20px 0;
    padding: 16px;
    background: rgba(45, 58, 90, 0.5);
    border-radius: 8px;
}

.used-language, .badge {
    background: linear-gradient(135deg, #2d3a5a, #1e283c);
    border: 1px solid rgba(252, 163, 17, 0.3);
    border-radius: 20px;
    padding: 8px 14px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all var(--transition);
    color: var(--accent-bg);
    font-size: 0.9em;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.used-language:hover, .badge:hover {
    background: linear-gradient(135deg, var(--accent-bg), #ffbe5c);
    color: var(--primary-bg);
    transform: translateY(-2px) scale(1.08);
    box-shadow: 0 6px 16px rgba(252, 163, 17, 0.3);
    border-color: var(--accent-bg);
}

.project-features {
    margin: 24px 0;
    padding: 20px;
    background: rgba(26, 34, 54, 0.5);
    border-radius: 8px;
    border-left: 4px solid var(--accent-bg);
}

.project-features h4 {
    color: var(--accent-bg);
    font-size: 1.1em;
    margin-top: 0;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-features h5 {
    color: #ffbe5c;
    font-size: 1em;
    margin: 16px 0 8px 0;
    font-weight: 600;
}

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

.project-features ul li {
    margin: 10px 0;
    padding: 10px 12px;
    border-left: 3px solid var(--accent-bg);
    padding-left: 16px;
    color: var(--text-muted);
    line-height: 1.6;
    transition: all var(--transition);
    border-radius: 4px;
}

.project-features ul li:hover {
    background: rgba(252, 163, 17, 0.1);
    color: var(--text-main);
    border-left-color: #ffbe5c;
    border-left-width: 4px;
}

.project-features ul li strong {
    color: var(--text-main);
    font-weight: 600;
}

.stage-mission-section {
    margin-top: 24px;
}

.stage-mission-card {
    padding-bottom: 28px;
}

.mission-subsection {
    margin: 18px 0;
    padding: 16px;
    background: rgba(26, 34, 54, 0.45);
    border: 1px solid rgba(252, 163, 17, 0.18);
    border-radius: 10px;
}

.mission-subsection h3 {
    margin-top: 0;
    margin-bottom: 12px;
    color: var(--accent-bg);
    font-size: 1.1em;
}

.mission-subsection ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
}

.mission-subsection ul li {
    background: rgba(35, 43, 69, 0.9);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-muted);
    border-left: 3px solid var(--accent-bg);
}

.mission-tools {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.mission-tool {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #2d3a5a, #1e283c);
    color: var(--accent-bg);
    border: 1px solid rgba(252, 163, 17, 0.35);
    border-radius: 999px;
    padding: 7px 12px;
    font-size: 0.9em;
    font-weight: 600;
    letter-spacing: 0.2px;
}

.mission-task-list {
    display: grid;
    gap: 12px;
}

.mission-task-item {
    background: rgba(35, 43, 69, 0.92);
    border-radius: 10px;
    border: 1px solid rgba(252, 163, 17, 0.22);
    padding: 12px;
}

.mission-task-item p {
    margin: 0;
    color: var(--text-main);
    text-align: left;
}

.mission-task-item img {
    width: 100%;
    min-height: 180px;
    max-height: 360px;
    object-fit: cover;
    margin-top: 10px;
    border-radius: 8px;
    border: 1px dashed rgba(252, 163, 17, 0.45);
    background: rgba(26, 34, 54, 0.85);
}

.mission-task-item img[src=""] {
    min-height: 180px;
}

.stage-intro-card {
    padding-bottom: 28px;
}

.stage-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.stage-link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent-bg), #ffbe5c);
    color: var(--primary-bg);
    font-weight: 700;
    border: 1px solid rgba(26, 34, 54, 0.35);
    text-decoration: none;
    transition: transform var(--transition), box-shadow var(--transition);
}

.stage-link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(252, 163, 17, 0.35);
    color: #111827;
}

.mission-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    align-items: start;
}

.mission-images img {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    height: auto;
    border-radius: 10px;
    object-fit: cover;
}

/* Styles des images dans les projets */
.project-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 16px 0;
    box-shadow: 0 4px 12px rgba(252, 163, 17, 0.15);
    transition: transform var(--transition);
}

.project-container img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(252, 163, 17, 0.25);
}

/* Styles pour les blocs de code */
.project-container pre {
    background: #0d1117;
    padding: 16px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-bg);
    overflow-x: auto;
    margin: 12px 0;
    border: 1px solid rgba(48, 54, 61, 0.6);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.project-container code {
    color: #e6edf3;
    font-size: 0.85em;
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    line-height: 1.45;
}

/* Highlight.js - Palettes personnalisées */
.hljs {
    background: transparent !important;
    color: #e6edf3 !important;
}

.hljs-attr { color: #79c0ff; }
.hljs-string { color: #a5d6ff; }
.hljs-number { color: #79c0ff; }
.hljs-function { color: #d2a8ff; }
.hljs-keyword { color: #ff7b72; font-weight: 600; }
.hljs-built_in { color: #79c0ff; }
.hljs-title { color: #d2a8ff; }
.hljs-literal { color: #79c0ff; }
.hljs-params { color: #e6edf3; }
.hljs-comment { color: #8b949e; font-style: italic; }
.hljs-tag { color: #7ee787; }
.hljs-attr { color: #79c0ff; }
.hljs-variable { color: #ffa657; }
.hljs-name { color: #79c0ff; }
.hljs-operator { color: #ff7b72; }
.hljs-punctuation { color: #e6edf3; }
.hljs-type { color: #ff7b72; }

pre code.language-python .hljs-function { color: #d2a8ff; }
pre code.language-php .hljs-keyword { color: #ff7b72; }
pre code.language-javascript .hljs-function { color: #d2a8ff; }

.project-container code {
    color: #ffbe5c;
}

.project-container a img {
    max-width: 100%;
    padding: 8px;
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px #0007;
    background: #fff;
    transition: transform var(--transition);
}

.project-container {
    padding-bottom: 64px;
}

footer {
    width: 100%;
    background: var(--secondary-bg);
    color: var(--text-main);
    text-align: center;
    padding: 24px 0;
    border-top: 2px solid var(--accent-bg);
    box-shadow: var(--shadow);
}
footer section {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
footer section ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    justify-content: center;
    gap: 10px;
}

/* Bouton retour en haut */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    background: var(--accent-bg);
    border-radius: 50%;
    padding: 12px;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 2px 8px #0003;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.back-to-top:hover {
    background: #ffbe5c;
    transform: translateY(-4px) scale(1.08);
    box-shadow: 0 4px 16px #0004;
}
.back-to-top svg {
    fill: var(--primary-bg);
    transition: fill var(--transition);
}
.back-to-top:hover svg {
    fill: var(--secondary-bg);
}

/* Timeline des expériences */
.experiences-timeline {
    position: relative;
    padding: 40px 0;
}

.experiences-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-bg), rgba(252, 163, 17, 0.2));
    transform: translateX(-50%);
}

@media (max-width: 1024px) {
    .experiences-timeline::before {
        left: 20px;
    }
}

/* Amélioration h1 sur pages expériences */
main > h1 {
    font-size: 3em;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--accent-bg), #ffbe5c);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive */
@media (max-width: 900px) {
    body {
        font-size: 16px;
        overflow-x: hidden;
    }

    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        top: 16px;
        right: 16px;
        bottom: auto;
        z-index: 1200;
    }

    nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(88vw, 320px);
        height: 100dvh;
        padding: 88px 16px 24px;
        justify-content: flex-start;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        z-index: 1100;
        border-bottom: none;
    }

    nav.active {
        transform: translateX(0);
    }

    nav ul {
        width: 100%;
        flex-direction: column;
        gap: 12px;
    }

    nav ul li {
        width: 100%;
        font-size: 2em;
        margin-bottom: 0.5em;
    }

    nav ul li a {
        width: 100%;
        justify-content: flex-start;
        align-items: center;
        flex-direction: row;
        gap: 12px;
        padding: 12px 14px;
        min-width: unset;
        border: 1px solid rgba(252, 163, 17, 0.2);
        background: rgba(255, 255, 255, 0.02);
    }

    nav ul li a .material-symbols-outlined {
        margin-bottom: 0;
    }

    .education-section,
    .certifications,
    .competences {
        max-width: 98vw;
        padding: 12px;
    }

    .project-section {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
        max-width: 100%;
        margin: 0;
        padding: 0;
    }

    .project-container {
        flex: 1 1 calc(50% - 10px);
        min-width: 300px;
        /* margin-bottom: 1em; */
        padding: 20px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2em;
        margin-top: 18px;
    }

    .project-section {
        flex-direction: column;
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    .project-container {
        flex: 1 1 100%;
        min-width: 0;
        width: 100%;
        /* margin: 0; */
        border-radius: 0;
        border-left-width: 4px;
    }

    .mission-subsection {
        padding: 12px;
    }

    .stage-mission-card,
    .stage-intro-card {
        padding: 20px 16px;
    }

    .mission-subsection ul li,
    .mission-task-item {
        padding: 10px;
    }

    .mission-task-item img {
        min-height: 150px;
        max-height: 260px;
    }

    .experiences-timeline::before {
        left: 20px;
    }

    .certifications .certif ul {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
        padding: 0;
    }

    main,
    section,
    .card,
    .mission-images,
    .mission-images img,
    .mission-task-item,
    .mission-subsection {
        max-width: 100%;
        box-sizing: border-box;
        margin-bottom: 5px;
    }

    .menu-toggle {
        top: 12px;
        right: 12px;
        width: 52px;
        height: 52px;
    }

    nav {
        width: min(92vw, 320px);
        padding: 80px 12px 16px;
    }

    nav ul li a {
        padding: 10px 12px;
    }

    nav ul li a .material-symbols-outlined {
        font-size: 20px;
    }

    nav ul li a .nav-text {
        font-size: 0.9em;
    }

    h1 {
        font-size: 1.4em;
        margin-top: 8px;
        letter-spacing: 0.03em;
        padding: 0 4px;
    }

    main > h1 {
        font-size: 1.8em;
    }

    .back-to-top {
        bottom: 12px;
        right: 12px;
        padding: 8px;
    }

    .project-container {
        width: 100%;
        padding: 14px 12px;
        margin-bottom: 2em;
        border-left-width: 4px;
        border-radius: 1em;
    }

    .stage-mission-card,
    .stage-intro-card {
        padding: 14px 12px;
    }
    .stage-index-main{
        padding: 0;
    }
    .mission-subsection {
        margin: 12px 0;
        padding: 10px;
    }

    .mission-subsection h3 {
        font-size: 1em;
        margin-bottom: 8px;
    }

    .mission-subsection ul {
        gap: 8px;
    }

    .mission-subsection ul li,
    .mission-task-item {
        padding: 9px;
    }

    .mission-images {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .project-title {
        font-size: 1.3em;
    }

    .mission-tool {
        font-size: 0.82em;
    }

    .mission-task-item img {
        min-height: 120px;
    }

    .used-language, .badge {
        font-size: 0.8em;
        padding: 6px 10px;
    }

    .link-cards {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px;
    }

    .certifications .certif ul {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 320px) {
    nav ul li a {
        padding: 8px 10px;
    }

    nav ul li a .material-symbols-outlined {
        font-size: 18px;
    }

    nav ul li a .nav-text {
        font-size: 0.8em;
    }
}

/* Écrans très larges (min-width: 1200px) */
@media (min-width: 1200px) {
    nav ul {
        gap: 40px;
    }
    
    nav ul li a {
        padding: 14px 24px;
        min-width: 90px;
        gap: 8px;
    }
    
    nav ul li a .material-symbols-outlined {
        font-size: 26px;
    }
    
    nav ul li a .nav-text {
        font-size: 1em;
    }
}