/* --- VARIABLES ET STYLES GLOBAUX --- */
:root {
    --primary-color: #007bff;
    --primary-color-dark: #0056b3;
    --secondary-color: #767676;
    --background-light: #f8f9fa;
    --text-light: #212529;
    --background-dark: #121212;
    --text-dark: #e0e0e0;
    --surface-dark: #1e1e1e;
    --surface-light: #ffffff;
    --border-light: #dee2e6;
    --border-dark: #343a40;
    --shadow-light: rgba(0, 0, 0, 0.07);
    --shadow-dark: rgba(0, 0, 0, 0.4);
    --font-sans: 'Roboto', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --accent-gradient-start: var(--secondary-color);
    /* Gris secondaire */
    --accent-gradient-end: #999999;
    /* Gris plus clair */
}

[data-theme="light"] {
    --bg-color: var(--background-light);
    --text-color: var(--text-light);
    --surface-color: var(--surface-light);
    --border-color: var(--border-light);
    --shadow-color: var(--shadow-light);
}

[data-theme="dark"] {
    --bg-color: var(--background-dark);
    --text-color: var(--text-dark);
    --surface-color: var(--surface-dark);
    --border-color: var(--border-dark);
    --shadow-color: var(--shadow-dark);
    --accent-gradient-start: #FFFFFF;
    /* Blanc */
    --accent-gradient-end: #e0e0e0;
    /* Gris très clair (text-dark) */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    line-height: 1.7;
}

main,
footer {
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

body.loaded main,
body.loaded footer {
    opacity: 1;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
}

h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    /* Slightly wider */
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--primary-color-dark));
    /* Subtle gradient */
    margin: 0.75rem auto 0;
    border-radius: 2px;
    /* Rounded corners */
}

section {
    padding: 5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
    /* Base reveal state */
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

section.active {
    opacity: 1;
    transform: translateY(0);
}

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

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

a:hover {
    text-decoration: none;
    color: var(--primary-color-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

ul {
    list-style-position: inside;
    padding-left: 0;
}

li {
    margin-bottom: 0.5rem;
}


/* --- PRÉ-CHARGEUR --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    z-index: 1001;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s, visibility 0.5s;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    border: 4px solid var(--border-color);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border-top-color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    animation: spin 1.2s cubic-bezier(0.5, 0.1, 0.4, 0.9) infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}


/* --- EN-TÊTE & NAVIGATION --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    display: flex;
    flex-direction: column;
    /* Stack banner and main bar */
    padding: 0;
    /* Removing global padding */
    background-color: transparent;
    transition: background-color 0.4s, backdrop-filter 0.4s, border-bottom 0.4s, transform 0.3s ease-in-out;
}

/* Quand le menu mobile est ouvert, le header doit passer devant le toast */
.site-header.menu-open {
    z-index: 3000;
}


.header-main-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 2rem;
    /* Restore padding for the content */
    width: 100%;
}

.site-header.header-hidden {
    transform: translateY(-100%);
}

.site-header.scrolled {
    background-color: rgba(255, 255, 255, 0.5);
    /* Fond blanc semi-transparent */
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    /* Effet de flou */
    border-bottom: 1px solid var(--border-light);
}

[data-theme="dark"] .site-header.scrolled {
    background-color: rgba(30, 30, 30, 0.5);
    /* Fond sombre semi-transparent */
    border-bottom: 1px solid var(--border-dark);
}

.site-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-color);
}

.site-brand:hover {
    text-decoration: none;
}

#main-nav {
    display: none;
}

/* Caché par défaut, géré par media queries */
#main-nav ul {
    list-style: none;
    display: flex;
    gap: 0.2rem;
}

/* Espacement réduit */

/* Style pour la navigation desktop (icône au-dessus du texte) */
#main-nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1.3rem;
    /* Larger size for Emojis */
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-align: center;
}

/* Ensure text remains readable size */
.nav-text {
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
}

#main-nav a i {
    display: none;
    /* Hide any old icons just in case */
}

#main-nav a:hover,
#main-nav a.active {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: translateY(-3px);
    /* Effet "Lift" */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    /* Ombre douce */
}

[data-theme="dark"] #main-nav a:hover,
[data-theme="dark"] #main-nav a.active {
    color: var(--text-dark);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: flex-end;
    /* Ajout : Aligne le contenu (le switch) à droite dans son conteneur */
}

#theme-toggle {
    position: static;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
}

#theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-color);
}

.sun-icon {
    display: none;
}

[data-theme="dark"] .sun-icon {
    display: block;
}

[data-theme="dark"] .moon-icon {
    display: none;
}

/* --- SECTION ACCUEIL --- */
#header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    /* Utilise dvh pour une meilleure compatibilité mobile */
    padding: 220px 0 80px 0;
    /* Restauration du padding top pour éviter le chevauchement avec le menu */
    position: relative;
    overflow: hidden;
}

.header-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    width: 100%;
    max-width: 1100px;
    /* Aligne la largeur avec les autres sections */
    margin: 0 auto;
    /* Centre la mise en page */
    padding: 0 2rem;
    /* Ajoute un espacement latéral constant */
}

.header-text {
    max-width: 650px;
    text-align: left;
}

.header-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    /* Taille de police plus grande et adaptative */
    line-height: 1.3;
    padding-top: 0.2em; /* Empêche le clipping */
    font-weight: 800;
    /* Plus audacieux */
    margin-bottom: 1rem;
}

.header-text .highlight {
    background: linear-gradient(to right, var(--primary-color), var(--primary-color-dark), var(--primary-color));
    /* Added a third color stop for a smoother loop */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    /* Needs to be larger to have space to move */
    animation: highlight-gradient-animation 4s ease infinite;
    /* Apply the animation */
}

@keyframes highlight-gradient-animation {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.header-text h2 {
    font-family: var(--font-sans);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 500;
    margin: 0 0 0.5rem;
    color: var(--secondary-color);
    letter-spacing: 0.5px;
    text-align: left;
}

.header-text h2::after {
    display: none;
}

.tagline {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 0 1.5rem;
    line-height: 1.6;
}

/* --- NOUVEL EFFET INTERACTIF --- */
.header-text h2,
.tagline {
    background: linear-gradient(to right, var(--accent-gradient-start), var(--accent-gradient-end), var(--accent-gradient-start));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: accent-gradient-animation 6s ease infinite;
    transition: all 0.4s ease;
}

.header-text h2:hover,
.tagline:hover {
    animation-duration: 2s;
    /* Accélère l'animation au survol */
}

@keyframes accent-gradient-animation {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Respect users who prefer reduced motion: stop or simplify continuous gradient animations
   and remove hover-accelerated animations for the header text. */
@media (prefers-reduced-motion: reduce) {

    .header-text .highlight,
    .header-text h2,
    .tagline {
        -webkit-animation: none !important;
        animation: none !important;
        transition: none !important;
        background-size: auto !important;
        background-position: center !important;
    }

    /* Keep the highlight readable but static; for h2 and tagline remove the
       gradient clipping and use the original color to avoid transparent text. */
    .header-text h2,
    .tagline {
        -webkit-background-clip: unset !important;
        background-clip: unset !important;
        -webkit-text-fill-color: initial !important;
        color: var(--secondary-color) !important;
    }

    .header-text h2:hover,
    .tagline:hover {
        -webkit-animation: none !important;
        animation: none !important;
        transition: none !important;
    }
}

.header-intro {
    font-size: 1.1rem;
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.header-buttons {
    margin-top: 2.5rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cta-button {
    display: inline-block;
    /* Ensure consistent rendering on <a> tags */
    text-decoration: none;
    /* Remove underline from link */
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    color: white;
    text-align: center;
    background: linear-gradient(to right, var(--primary-color), var(--primary-color-dark));
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
}

.cta-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
}

.audio-control-btn {
    display: inline-block;
    /* Ensure consistent rendering on <a> tags */
    text-decoration: none;
    /* Remove underline from link */
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 12px 20px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

@keyframes pulse-cta {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(0, 123, 255, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

[data-theme="dark"] .audio-control-btn[download] {
    background: rgba(0, 123, 255, 0.2);
}

.audio-control-btn[download] {
    animation: pulse-cta 2s infinite;
    background: rgba(0, 123, 255, 0.05);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.audio-control-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    animation: none;
}

.audio-control-btn[download]:hover {
    background-color: var(--primary-color);
    color: white;
}

.profile-pic-container {
    max-width: 380px;
    flex-shrink: 0;
}

.profile-pic {
    width: clamp(250px, 40vw, 360px);
    height: clamp(250px, 40vw, 360px);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    overflow: hidden;
    animation: blob-transform 8s ease-in-out infinite alternate;
    box-shadow: 0 10px 40px var(--shadow-color);
    background-color: var(--border-color);
    margin: 0 auto;
}

.profile-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.1);
}

@keyframes blob-transform {
    0% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
        transform: scale(1);
    }

    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
        transform: scale(1.05);
    }

    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
        transform: scale(1);
    }
}

/* --- AJOUT : ANIMATIONS D'ENTRÉE POUR L'ACCUEIL --- */
.animate-on-load {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

body.loaded .header-text h1 {
    animation-delay: 0.2s;
}

body.loaded .header-text h2 {
    animation-delay: 0.4s;
}

body.loaded .header-intro {
    animation-delay: 0.6s;
}

body.loaded .header-buttons a:nth-child(1) {
    animation-delay: 0.8s;
}

body.loaded .header-buttons a:nth-child(2) {
    animation-delay: 0.9s;
}

body.loaded .profile-pic-container {
    animation-name: fadeIn;
    /* Utilise une animation plus simple sans mouvement */
    animation-delay: 0.5s;
}

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

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}


/* --- BOUTONS --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.3s;
    text-align: center;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

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

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

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

/* --- SECTION À PROPOS DE MOI --- */
#about {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

#about p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* --- SECTION POURQUOI MOI --- */
#pourquoi-moi {
    padding-top: 2rem;
}

.why-card {
    text-align: center;
    border-top: 4px solid var(--primary-color);
    border-radius: 12px;
}

.why-icon {
    font-size: 2.8rem;
    color: var(--primary-color);
    margin-bottom: 1.2rem;
}

.why-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    color: var(--primary-color-dark);
}

[data-theme="dark"] .why-card h3 {
    color: var(--primary-color);
}

/* --- SECTION CONTACT --- */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.copyable {
    cursor: pointer;
    border-bottom: 2px dotted var(--primary-color);
    transition: background-color 0.2s;
}

#copy-tooltip {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background-color: #333;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 3000;
}

#copy-tooltip.visible {
    opacity: 1;
    visibility: visible;
}

/* --- CARTES (CARDS) --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}

.card {
    background-color: var(--surface-color);
    /* Fallback */
    background: rgba(255, 255, 255, 0.7);
    /* Light mode glass */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

[data-theme="dark"] .card {
    background: rgba(30, 30, 30, 0.6);
    /* Dark mode glass */
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow-color);
    border-color: var(--primary-color);
}

/* --- TAGS COMPÉTENCES --- */
.skills-subtitle {
    margin-top: 3rem;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    margin-top: 1rem;
}

.skills-tags span {
    background-color: rgba(0, 123, 255, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(0, 123, 255, 0.3);
    transition: all 0.2s ease-in-out;
}

.skills-tags span:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .skills-tags span {
    background-color: var(--border-dark);
    border: 1px solid var(--border-dark);
}

[data-theme="dark"] .skills-tags span:hover {
    background-color: var(--primary-color);
    color: white;
}


/* --- TIMELINE --- */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background-color: var(--primary-color);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--surface-color);
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    top: 25px;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -8px;
}

.timeline-content .company {
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.timeline-date {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

/* --- ACCORDÉON --- */
.accordion-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 700;
    cursor: pointer;
    padding: 0.5rem 0;
    text-align: left;
    width: 100%;
    margin-top: auto;
}

.accordion-toggle .arrow {
    display: inline-block;
    transition: transform 0.3s;
}

.accordion-toggle.active .arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

#scroll-to-top {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, transform 0.3s ease-out;
    z-index: 99;
    transform: translateY(100px);
}

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

#scroll-to-top:hover {
    background-color: var(--primary-color-dark);
}

/* --- AJOUT : INDICATEUR DE DÉFILEMENT --- */
.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s ease-out 1.5s forwards;
    /* Apparaît après les autres animations */
}

.mouse {
    width: 25px;
    height: 45px;
    border: 2px solid var(--text-color);
    border-radius: 20px;
    position: relative;
}

.mouse span {
    position: absolute;
    display: block;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-color);
    border-radius: 4px;
    animation: scroll-wheel 1.5s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% {
        top: 10px;
        opacity: 1;
    }

    100% {
        top: 25px;
        opacity: 0;
    }
}


/* --- RESPONSIVE DESIGN --- */
@media (min-width: 993px) {
    #main-nav {
        display: flex;
        /* Center the nav in the available space if desired, or keep as is */
    }

    #main-nav ul {
        background: rgba(255, 255, 255, 0.25);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.4);
        padding: 0.5rem 1rem;
        border-radius: 50px;
        /* Pill shape */
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        margin: 0;
        /* Reset margin */
        gap: 0.5rem;
    }

    [data-theme="dark"] #main-nav ul {
        background: rgba(30, 30, 30, 0.4);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    #menu-toggle {
        display: none;
    }

    #main-nav a {
        flex-direction: column;
        /* Emojis au-dessus du texte pour un meilleur rendu */
        gap: 0.2rem;
        text-align: center;
        /* Ajustement de l'espace */
    }
}

@media (max-width: 992px) {
    body.no-scroll {
        overflow: hidden;
    }

    /* Force header controls elements to separate sides */
    .header-main-bar {
        justify-content: space-between;
        width: 100%;
        display: flex;
        /* Ensure it is flex */
    }

    .header-controls {
        flex-grow: 1;
        /* Allow controls to take available space */
        justify-content: space-between;
        /* Separate menu toggle (left) and switch (right) if they are in the same container, or adjust as needed */
        width: 100%;
        /* Take full width */
    }

    #menu-toggle {
        position: relative;
        z-index: 1001;
        /* Supérieur au z-index du #main-nav (qui est 999) */
        transition: transform 0.3s ease;
        display: block;
        background: none;
        border: none;
        font-size: 1.8rem;
        color: var(--text-color);
        cursor: pointer;
        order: -1;
        /* Ensure menu toggle is first (left) */
    }

    /* Optionnel : Si vous voulez que le bouton tourne un peu au clic */
    body.no-scroll #menu-toggle {
        transform: rotate(90deg);
        color: var(--primary-color);
        /* La croix devient bleue */
    }

    /* Ensure the switch stays on the right */
    .header-controls .switch {
        margin-left: auto;
        transform: scale(0.7);
        transform-origin: right center;
    }

    #main-nav {
        display: block;
        position: fixed;
        top: 0;
        left: -280px;
        width: 80vw;
        /* Utilise 80% de la largeur de la vue */
        max-width: 280px;
        /* Mais ne dépasse pas 280px */
        height: 100%;
        background-color: var(--surface-color);
        box-shadow: 2px 0 5px var(--shadow-color);
        transition: left 0.3s ease;
        z-index: 999;
    }

    #main-nav.open {
        left: 0;
    }

    #main-nav ul {
        flex-direction: column;
        /* On augmente le padding haut pour laisser la place au bouton X */
        padding-top: 5rem;
        gap: 0;
    }

    #main-nav li a {
        display: flex;
        flex-direction: row;
        /* Icône à côté du texte sur mobile */
        align-items: center;
        gap: 0.8rem;
        /* Espace entre icône et texte */
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        /* Optionnel : ajoute une ligne de séparation subtile */
    }

    #main-nav.open a.active,
    #main-nav.open a:hover {
        background-color: var(--primary-color);
        color: white;
    }

    .header-layout {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .header-text,
    .header-intro {
        max-width: 100%;
    }

    .header-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    h2 {
        font-size: 1.6rem;
    }

    section {
        padding: 3rem 1rem;
    }

    .header-text h1 {
        font-size: 2.0rem;
        /* Reduce font size on small screens to prevent wrapping issues */
    }

    .header-buttons {
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }

    .header-buttons>* {
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .btn-view-project,
    .filter-btn {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .profile-pic {
        width: 240px;
        /* Reduce size for smaller screens */
        height: 240px;
        margin: 0 auto;
        /* Ensure it's centered */
    }

    .timeline::after {
        left: 15px;
    }

    .timeline-item {
        width: 100%;
        padding-left: 50px;
        padding-right: 15px;
        left: 0 !important;
    }

    .timeline-dot {
        left: 7px;
    }

    .timeline-item:nth-child(odd) .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        left: 7px;
    }
}

.recommendation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}

.recommendation-card {
    padding: 1.5rem;
    text-align: left;
}

.recommender-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.recommender-photo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-color);
}

.recommender-info h4 {
    margin: 0;
    font-size: 1.1rem;
}

.recommender-title {
    margin: 0;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.recommendation-date {
    font-size: 0.8rem;
    color: var(--secondary-color);
}

.recommendation-text {
    font-style: italic;
    color: var(--text-color);
}

.recommendation-skills p {
    font-weight: 500;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-style: italic;
}

.recommendation-validated-skills {
    justify-content: flex-start;
    margin-top: 0.5rem;
}

/* --- SECTION PROJETS (AMÉLIORÉE) --- */
.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

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

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

/* Configuration par défaut : L'image s'adapte à son format d'origine */
.project-image-link {
    display: block;
    height: auto;
    overflow: hidden;
}

.project-card img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.4s ease;
}

/* Règle SPÉCIFIQUE pour les Procédures : Format A4 imposé */
.project-card[data-category*="procedure"] .project-image-link {
    aspect-ratio: 210/297;
}

.project-card[data-category*="procedure"] img {
    height: 100%;
    object-fit: contain;
    object-position: top;
    background-color: #f8f9fa;
}

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


.card-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 1.5rem;
    /* Ajout du padding ici au lieu de la carte principale */
}

/* La carte projet n'a plus besoin de son propre padding */
.project-card {
    padding: 0;
    overflow: hidden;
}


.card-content p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
    /* Espace augmenté avant le bouton */
}

.btn-view-project {
    background-color: transparent;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 18px;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    align-self: flex-start;
    font-size: 0.9rem;
}

.btn-view-project:hover {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: white;
}

/* Style sp�cifique pour les tags de comp�tences dans les projets */
.project-skills-tags {
    margin-bottom: 1.2rem;
    justify-content: flex-start;
    gap: 0.5rem;
}

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

/* --- AM�LIORATIONS PROJETS --- */
.project-stats {
    text-align: center;
    margin-bottom: 1rem;
}

.count-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.2);
    display: inline-block;
    margin-bottom: 1.5rem;
}

.tech-cloud {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    max-width: 900px;
    margin: 0 auto 2rem;
}

.tech-cloud-label {
    font-weight: 700;
    color: var(--secondary-color);
    margin-right: 0.5rem;
    align-self: center;
    font-size: 0.9rem;
}

.tech-tag {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.2);
}

.tech-tag small {
    opacity: 0.6;
    margin-left: 3px;
}

.project-badges {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.badge {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.pfe-badge {
    background-color: #ff4757;
    color: white;
}

.innovation-badge {
    background-color: #2f3542;
    color: white;
}

.prototype-badge {
    background-color: #ffa502;
    color: white;
}

/* Effet Glow au survol */
.project-card {
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275),
        box-shadow 0.4s ease,
        opacity 0.4s ease,
        scale 0.4s ease !important;
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.8) translateY(20px);
    pointer-events: none;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    padding: 2px;
    background: linear-gradient(45deg, var(--primary-color), transparent, var(--secondary-color));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.project-card:hover {
    transform: translateY(-10px) scale(1.02) !important;
    box-shadow: 0 15px 30px rgba(0, 123, 255, 0.2);
    border-color: var(--primary-color);
}

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


.project-showcase {
    margin-bottom: 4rem;
    background-color: rgba(255, 255, 255, 0.5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: all 0.3s ease;
}

[data-theme="dark"] .project-showcase {
    background-color: rgba(30, 30, 30, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.project-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.project-header h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, var(--primary-color), var(--primary-color-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.project-details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 6px var(--shadow-color);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .feature-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
}

.feature-card h4 {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 0.5rem;
}

.feature-card h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
}

.feature-card h5 {
    font-size: 1.15rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.protocol-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.protocol-gallery a {
    text-decoration: none;
    color: var(--text-color);
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    transition: transform 0.2s ease;
}

.protocol-gallery a:hover {
    transform: scale(1.05);
    color: var(--primary-color);
}

.protocol-gallery img {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 0.5rem;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    box-shadow: 0 2px 4px var(--shadow-color);
    transition: box-shadow 0.2s ease;
}

.protocol-gallery a:hover img {
    box-shadow: 0 5px 15px var(--shadow-color);
}

/* --- SECTION CERTIFICATIONS (AMÉLIORÉE) --- */
.certifications-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.certification-card {
    padding: 0;
    overflow: hidden;
    /* Pour que l'image ne dépasse pas les coins arrondis */
}

.certification-image-link {
    display: block;
    overflow: hidden;
    position: relative;
}

.certification-image-link::after {
    content: '\1F50E';
    /* Icône de loupe */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    color: white;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.certification-card:hover .certification-image-link::after {
    opacity: 1;
}

.certification-card img {
    width: 100%;
    height: auto;
    /* Adapte la hauteur au contenu */
    object-fit: contain;
    /* Assure que tout le certificat est visible */
    background-color: #f8f9fa;
    /* Fond gris clair pour les espaces vides si nécessaire */
    border-bottom: 1px solid var(--border-color);
    transition: transform 0.4s ease;
}

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

.certification-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.certification-content h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    flex-grow: 1;
}

.certification-content p {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.btn-view-cert {
    display: inline-block;
    text-align: center;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    margin-top: auto;
    /* Aligne le bouton en bas */
    transition: background-color 0.3s;
}

.btn-view-cert:hover {
    background-color: var(--primary-color-dark);
    color: white;
}

.certification-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.certification-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.certification-card p {
    color: var(--secondary-color);
    flex-grow: 1;
    margin-bottom: 1rem;
}

/* --- SECTION FORMATION (AMÉLIORÉE) --- */
.education-container {
    max-width: 800px;
    margin: 0 auto;
}

.education-card {
    padding: 2.5rem;
    text-align: center;
}

.education-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.education-card .company {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.education-card .timeline-date {
    font-size: 1rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: block;
}

.education-skills {
    margin-top: 2rem;
    justify-content: center;
}

.education-logo {
    max-width: 150px;
    /* Adjust as needed */
    height: auto;
    margin: 1rem auto 1.5rem auto;
    /* Center the image and add some vertical spacing */
    border-radius: 8px;
    /* Slightly rounded corners for the logo */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    /* Subtle shadow */
}

/* --- AJOUT : ANIMATION DE FOND POUR L'ACCUEIL --- */
#header-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(0, 123, 255, 0.05), rgba(0, 123, 255, 0.01));
    background-size: 200% 200%;
    animation: gradient-animation 15s ease infinite;
    z-index: -1;
    /* S'assure que le pseudo-élément est derrière le contenu */
}

@keyframes gradient-animation {
    0% {
        background-position: 0% 0%;
    }

    50% {
        background-position: 100% 100%;
    }

    100% {
        background-position: 0% 0%;
    }
}

/* --- AJOUTS POUR LOGOS D'ENTREPRISE (TIMELINE) --- */
.timeline-content.card.has-logo {
    position: relative;
    /* Needed for absolute positioning of child */
    padding-right: 100px;
    /* Add space on the right for the logo */
}

.company-logo-abs {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    height: 50px;
    /* Increased size slightly for more impact */
    width: 50px;
    /* Force a circular shape */
    object-fit: contain;
    /* Keep the logo aspect ratio within the circle */
    border-radius: 50%;
    /* Make it circular */
    background-color: #ffffff;
    /* Ensure a clean white background */
    border: 2px solid var(--border-color);
    /* Add a subtle border */
    padding: 5px;
    /* Add some space between the logo and the border */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    /* Add a subtle shadow */
}

.project-summary-star {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr));
    gap: 1.5rem;
    text-align: left;
    margin-top: 2rem;
}

.star-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.star-item p {
    font-size: 0.95rem;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0.7);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 10px 15px rgba(0, 123, 255, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 123, 255, 0);
    }
}

.audio-control-btn.playing {
    animation: pulse 1.5s infinite;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.header-text .highlight .typed-text.typing-effect {
    border-right: 2px solid var(--text-color);
    animation: blink-caret 0.75s step-end infinite;
    white-space: nowrap;
    overflow: hidden;
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: var(--text-color);
    }
}

/* --- DARK/LIGHT MODE SWITCH STYLES (from opensource-coding) --- */
:root {
    /* Variables ajoutées pour le nouvel interrupteur */
    --switch-width: 150px;
    --switch-height: 65px;
    --switch-round: 50px;
    --switch-padding-x: 5px;
    --switch-bg: linear-gradient(to bottom, #73bbff, #a2d1fd);
    --switch-dark-bg: linear-gradient(to top, #2b3347, #181d27);
    --border-width: 2px;
    --border-gradient: linear-gradient(to bottom, #a2d1fd, #cde7ff);
    --border-dark-gradient: linear-gradient(to bottom, #000000, #6c7384);
    --sunmoon-size: 55px;
    --transition: all 0.5s ease;
}

/* Ajustement pour que l'arrière-plan du body change avec le thème */
[data-theme="light"] {
    --bg-body-color: var(--background-light);
    /* Utilise votre variable existante */
}

[data-theme="dark"] {
    --bg-body-color: #535c72;
    /* Utilise la couleur de fond de l'interrupteur pour le thème sombre */
}

body {
    background-color: var(--bg-body-color);
    /* Applique la couleur de fond */
    transition: background-color 0.5s, color 0.3s;
    /* Assure la transition */
}


.switch {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--switch-width);
    height: var(--switch-height);
    border-radius: var(--switch-round);
    cursor: pointer;
    transition: var(--transition);
    background: var(--switch-bg);
    user-select: none;
    /* Ajouté pour une meilleure expérience */
}

.switch::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--switch-round);
    opacity: 0;
    background: var(--switch-dark-bg);
    transition: var(--transition);
}

[data-theme="dark"] .switch::before {
    opacity: 1;
}

.switch .border {
    position: absolute;
    top: calc(var(--border-width) * -1);
    left: calc(var(--border-width) * -1);
    width: calc(100% + var(--border-width) * 2);
    height: calc(100% + var(--border-width) * 2);
    border-radius: var(--switch-round);
    background: var(--border-gradient);
    z-index: -1;
    transition: var(--transition);
}

.switch .border::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--switch-round);
    background: var(--border-dark-gradient);
    opacity: 0;
    transition: var(--transition);
}

[data-theme="dark"] .switch .border::after {
    opacity: 1;
}

.switch input {
    display: none;
}

.sunmoon {
    position: absolute;
    width: var(--sunmoon-size);
    height: var(--sunmoon-size);
    border-radius: 50%;
    transition: var(--transition);
    left: var(--switch-padding-x);
    z-index: 1;
    background-color: #FFC187;
    box-shadow: 0px 0px 11.7px 0px #FFC187, 0px 0px 20px 0px #ffc18768, -2px -2px 5px 0px #ffab5c inset;
}

[data-theme="dark"] .sunmoon {
    left: calc(100% - var(--sunmoon-size) - var(--switch-padding-x));
    background-color: #dee5f3;
    box-shadow: 0px 0px 51.7px 0px #dee5f3;
}

.darkside {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 75%;
    height: 75%;
    border-radius: 50%;
    background-color: #FFC187;
    transition: var(--transition);
}

[data-theme="dark"] .darkside {
    background-color: #565c6b;
}

.clouds {
    border-radius: var(--switch-round);
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.cloud {
    position: absolute;
    width: 60%;
    transition: var(--transition);
}

.cloud-1 {
    bottom: -55%;
    left: 0;
}

.cloud-2 {
    bottom: -45%;
    left: 25px;
}

.cloud-3 {
    bottom: -40%;
    right: 0px;
}

.cloud-4 {
    bottom: -16%;
    right: -25px;
}


[data-theme="dark"] .cloud-1 {
    bottom: -35%;
    left: -110px;
}

[data-theme="dark"] .cloud-2 {
    bottom: -15%;
    left: -110px;
    transition: all 0.7s ease;
}

[data-theme="dark"] .cloud-3 {
    bottom: -15%;
    right: -110px;
}

[data-theme="dark"] .cloud-4 {
    bottom: -5%;
    right: -110px;
    transition: all 0.7s ease;
}

.stars {
    position: absolute;
    top: 150%;
    left: 0;
    transform: translateY(-50%);
    pointer-events: none;
    transition: var(--transition);
}

[data-theme="dark"] .stars {
    top: 50%;
}

/* Ajustement pour la taille sur mobile */
@media (max-width: 992px) {
    .switch {
        transform: scale(0.6);
        margin-right: -25px;
        /* Compense la taille réduite */
    }
}

.footer-socials {
    margin-bottom: 1rem;
}

.footer-socials a {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    transition: color 0.3s;
}

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

/* --- STYLES POUR LES MODALES DE PROJET --- */
.project-modal {
    border: none;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 0;
    max-width: 800px;
    width: 90%;
    background-color: var(--surface-color);
    color: var(--text-color);
}

.project-modal::backdrop {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
}

.project-modal .modal-content {
    padding: 2.5rem;
    position: relative;
}

.project-modal .close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2.5rem;
    cursor: pointer;
    color: var(--secondary-color);
    transition: color 0.3s;
}

.project-modal .close-btn:hover {
    color: var(--primary-color);
}

.project-modal h2 {
    font-size: 1.8rem;
    text-align: left;
    margin-bottom: 2rem;
}

.project-modal h2::after {
    margin-left: 0;
    margin-right: auto;
}

.project-modal h4 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

/* --- ANIMATION DE FILTRAGE DES PROJETS --- */
.project-card {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.project-card.hidden {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}


/* --- SECTION ENGAGEMENTS --- */
.section-intro {
    text-align: center;
    max-width: 800px;
    margin: -2rem auto 3rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.engagement-card {
    text-align: left;
}

/* --- AJOUTS A LA FIN DE STYLE.CSS OU DANS LA SECTION RESPONSIVE --- */

/* 1. Style pour cacher le FAB proprement */
.fab-container.hidden {
    opacity: 0 !important;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(20px) scale(0);
}

.engagement-card h4 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.engagement-card p {
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.btn-view-post {
    display: inline-block;
    text-align: center;
    padding: 10px 20px;
    background-color: #0077b5;
    /* LinkedIn blue */
    color: white;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    margin-top: auto;
    transition: background-color 0.3s;
}

.btn-view-post:hover {
    background-color: #005582;
    color: white;
}

/* --- FORMULAIRE DE CONTACT --- */
#contact-form form {
    max-width: 800px;
    margin: 2rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

#contact-form fieldset {
    border: none;
    padding: 0;
    margin: 0;
    display: contents;
}

#contact-form label {
    font-weight: 600;
    margin-bottom: -1rem;
}

#contact-form input[type="text"],
#contact-form input[type="email"],
#contact-form textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--surface-color);
    color: var(--text-color);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
}

#contact-form input[type="text"]:focus,
#contact-form input[type="email"]:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

#contact-form input[type="submit"] {
    align-self: flex-start;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    color: white;
    background: linear-gradient(to right, var(--primary-color), var(--primary-color-dark));
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

#contact-form input[type="submit"]:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 123, 255, 0.4);
}

/* --- NOTIFICATION TOAST --- */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--surface-color);
    border-left: 5px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 2000;
    transform: translateX(120%);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    max-width: 350px;
}

.toast.visible {
    transform: translateX(0);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-color);
}

.toast-content i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.toast-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}

.toast-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    background-color: var(--background-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

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

#close-toast {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
    margin-left: 0.5rem;
    line-height: 1;
}

#close-toast:hover {
    color: var(--error-color, #e74c3c);
}

@media (max-width: 768px) {
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

/* --- BANDEAU POINTS CLÉS (RECRUTEURS) --- */
.highlights-banner {
    background-color: var(--primary-color-dark);
    color: white;
    padding: 1.2rem 1rem 0.8rem 1rem;

    text-align: center;
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    position: relative;
    z-index: 10;
    white-space: nowrap;
    /* Prevent wrapping on larger screens */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.highlights-banner span {
    transition: transform 0.2s ease;
    display: inline-flex;
    align-items: center;
}

.highlights-banner span:hover {
    transform: scale(1.05);
    /* Slight grow on hover */
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

.highlights-banner .separator {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

.highlights-banner i {
    margin-right: 0.5rem;
    color: #ffd700;
    /* Or pour attirer l'attention */
}

/* --- ANIMATION ECG (HEARTBEAT) --- */
.ecg-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    /* Taller area for better visibility */
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
    /* Repeating SVG background */
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 100" preserveAspectRatio="none"><path d="M0,50 L200,50 L210,10 L220,90 L230,50 L240,50 L250,50 L500,50" fill="none" stroke="rgba(0,123,255,0.4)" stroke-width="2"/></svg>');
    background-repeat: repeat-x;
    background-size: 500px 100%;
    /* Matches SVG viewBox width */
    animation: ecg-scroll 3s linear infinite;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.ecg-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(0, 123, 255, 0.1);
    transform: translateY(-50%);
}

/* Red Dot "scanning" effect */
.ecg-line::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 220px;
    /* Position relative to the peak in the SVG */
    width: 6px;
    height: 6px;
    background-color: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    transform: translateY(-50%);
    opacity: 0;
    animation: ecg-dot-pulse 3s linear infinite;
}

@keyframes ecg-scroll {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: -500px 0;
        /* Move left by one full cycle pattern width */
    }
}

/* No dot animation needed if the whole line moves, but let's keep it simple first as requested: continuous line scrolling */
/* Adjusting animation to be just the line scrolling */

.ecg-line::after {
    display: none;
    /* Removing the complexity of trying to sync a dot with scroll for now */
}




/* --- BOUTON FLOTTANT (FAB) --- */
.fab-container {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 2000;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 1rem;
}

.fab-main {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
}

.fab-container:hover .fab-main,
.fab-container.open .fab-main {
    transform: rotate(45deg);
}

.fab-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--surface-color);
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    font-size: 1.2rem;
    opacity: 0;
    transform: translateY(20px) scale(0);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.fab-container:hover .fab-btn,
.fab-container.open .fab-btn {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Delays for appearance - button closest to main appears first or last? 
   HTML order: mail, phone, cv, main.
   Flex-direction: column-reverse.
   So visual order bottom-up: Main, CV, Phone, Mail.
   We want Mail (top) to appear last or first?
   Let's make them appear expanding outwards: CV first, then Phone, then Mail.
*/

.fab-container:hover .fab-btn:nth-child(3),
/* CV */
.fab-container.open .fab-btn:nth-child(3) {
    transition-delay: 0.05s;
}

.fab-container:hover .fab-btn:nth-child(2),
/* Phone */
.fab-container.open .fab-btn:nth-child(2) {
    transition-delay: 0.1s;
}

.fab-container:hover .fab-btn:nth-child(1),
/* Mail */
.fab-container.open .fab-btn:nth-child(1) {
    transition-delay: 0.15s;
}

@media (max-width: 768px) {
    .highlights-banner {
        flex-direction: column;
        gap: 0.2rem;
        font-size: 0.85rem;
    }

    .highlights-banner .separator {
        display: none;
    }

    .fab-container {
        left: 1rem;
        bottom: 1.5rem;
    }
}

/* CSS pour la notification (� ajouter � votre fichier CSS principal) */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--surface-color, #ffffff);
    /* Utilise la variable ou un fallback */
    border-left: 5px solid var(--primary-color, #007bff);
    /* Utilise la variable ou un fallback */
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 2000;
    transform: translateX(120%);
    /* Commence hors de l'�cran */
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    /* Animation de rebond */
    max-width: 350px;
}

/* R�gle sp�cifique pour le th�me sombre si vous utilisez un switch de th�me */
[data-theme="dark"] .toast {
    background-color: var(--surface-dark, #1e1e1e);
    border-left-color: var(--primary-color, #007bff);
}

.toast.visible {
    transform: translateX(0);
    /* Fait appara�tre la notification */
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
    color: var(--text-color, #212529);
    /* Utilise la variable ou un fallback */
}

.toast-content i {
    font-size: 1.5rem;
    color: var(--primary-color, #007bff);
    /* Utilise la variable ou un fallback */
}

.toast-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: flex-end;
}

.toast-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    background-color: var(--background-color, #f8f9fa);
    /* Utilise la variable ou un fallback */
    color: var(--text-color, #212529);
    /* Utilise la variable ou un fallback */
    border: 1px solid var(--border-color, #dee2e6);
    /* Utilise la variable ou un fallback */
    transition: all 0.2s;
}

/* R�gle sp�cifique pour le th�me sombre si vous utilisez un switch de th�me */
[data-theme="dark"] .toast-btn {
    background-color: var(--surface-dark, #1e1e1e);
    color: var(--text-dark, #e0e0e0);
    border-color: var(--border-dark, #343a40);
}

.toast-btn:hover {
    background-color: var(--primary-color, #007bff);
    color: white;
    border-color: var(--primary-color, #007bff);
}

#close-toast {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color, #212529);
    /* Utilise la variable ou un fallback */
    cursor: pointer;
    margin-left: 0.5rem;
    line-height: 1;
    /* Pour un alignement vertical correct du 'x' */
}

/* R�gle sp�cifique pour le th�me sombre si vous utilisez un switch de th�me */
[data-theme="dark"] #close-toast {
    color: var(--text-dark, #e0e0e0);
}

#close-toast:hover {
    color: var(--error-color, #e74c3c);
    /* Couleur d'erreur ou rouge par d�faut */
}

/* Responsive pour les petits �crans */
@media (max-width: 768px) {
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        /* Prend toute la largeur sur mobile */
        max-width: none;
    }
}

/* --- READING PROGRESS BAR --- */
#progress-container {
    width: 100%;
    height: 4px;
    background: transparent;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
}

#progress-bar {
    height: 100%;
    background: var(--primary-color, #007bff);
    width: 0%;
    transition: width 0.1s ease-out;
}

/* --- GLASSMORPHISM HEADER --- */
.site-header {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.8) !important;
    /* Force translucency */
}

[data-theme='dark'] .site-header {
    background-color: rgba(18, 18, 18, 0.8) !important;
}

/* --- TOAST IMPROVEMENTS --- */
#recommendation-toast {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    border-left: 5px solid var(--primary-color, #007bff);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    color: #333;
}

[data-theme='dark'] #recommendation-toast {
    background: rgba(30, 30, 30, 0.95);
    color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

/* --- SKILL CARD LIFT --- */
.card-grid .card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-grid .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}


/* Badge "Nouveau" pour les certifications r�centes */
.new-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    z-index: 10;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {

    0%,
    100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    }

    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
    }
}

.project-card {
    position: relative;
    overflow: visible;
}

/* Compteurs de filtres */
.filter-count {
    font-size: 0.85em;
    opacity: 0.7;
    font-weight: 400;
    margin-left: 4px;
}

.filter-btn.active .filter-count {
    opacity: 1;
    font-weight: 600;
}

/* Barre de recherche de certifications */
.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 18px;
    color: var(--text-muted, #6b7280);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 2;
}

.search-input {
    width: 100%;
    padding: 14px 50px 14px 50px;
    border: 2px solid var(--border-color, #e5e7eb);
    border-radius: 25px;
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg-secondary, #f9fafb);
    transition: all 0.3s ease;
    outline: none;
}

[data-theme="dark"] .search-input {
    background: #1f2937;
    border-color: #374151;
    color: #f3f4f6;
}

.search-input:focus {
    border-color: var(--primary-color, #4f46e5);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    background: var(--bg-primary, white);
}

[data-theme="dark"] .search-input:focus {
    background: #111827;
    border-color: #6366f1;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.search-input::placeholder {
    color: var(--text-muted, #9ca3af);
    opacity: 1;
}

.clear-search-btn {
    position: absolute;
    right: 15px;
    background: transparent;
    border: none;
    color: var(--text-muted, #6b7280);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.clear-search-btn:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary, #111827);
}

[data-theme="dark"] .clear-search-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #f3f4f6;
}

.clear-search-btn i {
    font-size: 0.9rem;
}

/* Animations pour les r�sultats de recherche */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#certifications-grid .card:not(.hidden) {
    animation: fadeIn 0.4s ease;
}


/* --- AM�LIORATION MENU MOBILE (GLASSMORPHISM & PLEIN �CRAN) --- */
@media (max-width: 768px) {

    /* Menu Overlay Plein �cran */
    #main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100dvh;
        z-index: 2500;
        /* Assez haut, mais sous les contr�les si possible */

        display: none;
        /* Masqu� par d�faut */
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        overflow-y: auto;
        padding: 3.5rem 0.8rem 1rem 0.8rem;

        /* Effet Glassmorphism */
        background: rgba(255, 255, 255, 0.85);
        /* Fond clair par d�faut */
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);

        /* Animation */
        opacity: 0;
        transform: translateY(-20px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    [data-theme="dark"] #main-nav {
        background: rgba(15, 15, 20, 0.9);
        /* Fond sombre profond */
    }

    /* �tat Ouvert */
    #main-nav.open {
        display: flex;
        opacity: 1;
        transform: translateY(0);
    }

    /* Liens du menu */
    #main-nav ul {
        flex-direction: column;
        gap: 0.3rem;
        width: 100%;
        padding: 0 0.4rem;
    }

    #main-nav li {
        width: 100%;
        text-align: center;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease;
    }

    /* Animation en cascade pour les liens */
    #main-nav.open li {
        opacity: 1;
        transform: translateY(0);
    }

    #main-nav.open li:nth-child(1) {
        transition-delay: 0.1s;
    }

    #main-nav.open li:nth-child(2) {
        transition-delay: 0.15s;
    }

    #main-nav.open li:nth-child(3) {
        transition-delay: 0.2s;
    }

    #main-nav.open li:nth-child(4) {
        transition-delay: 0.25s;
    }

    #main-nav.open li:nth-child(5) {
        transition-delay: 0.3s;
    }

    #main-nav.open li:nth-child(6) {
        transition-delay: 0.35s;
    }

    #main-nav.open li:nth-child(7) {
        transition-delay: 0.4s;
    }

    #main-nav.open li:nth-child(8) {
        transition-delay: 0.45s;
    }

    #main-nav.open li:nth-child(9) {
        transition-delay: 0.5s;
    }

    #main-nav a {
        font-size: 0.82rem;
        font-weight: 600;
        color: var(--text-color);
        padding: 0.3rem 0.7rem;
        line-height: 1.2;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        border-radius: 10px;
        transition: all 0.2s;
    }

    #main-nav a .nav-text {
        font-size: 0.82rem;
    }

    #main-nav a:active,
    #main-nav a:hover {
        background-color: var(--primary-color);
        color: white;
        transform: scale(1.05);
    }

    /* S'assurer que les contr�les (burger/switch) sont au-dessus du menu */
    .header-controls {
        z-index: 3000;
        position: relative;
    }

    /* Ajustement du bouton burger */
    #menu-toggle {
        font-size: 2rem;
        background: transparent;
        border: none;
        color: var(--text-color);
        cursor: pointer;
        z-index: 1001;
        /* Au-dessus de tout */
        transition: transform 0.3s ease;
    }
}

/* --- Skills Grid --- */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 120px), 1fr));
    gap: 1.5rem;
    justify-items: center;
    align-items: center;
    text-align: center;
}

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.skill-item img {
    height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.skill-item:hover img {
    transform: scale(1.15) translateY(-5px);
    filter: drop-shadow(0 8px 12px rgba(0, 123, 255, 0.25));
}

.skill-item p {
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.skill-item:hover p {
    color: var(--primary-color);
    transform: translateY(2px);
}

/* --- OVERRIDE MENU MOBILE (GLASSMORPHISM & PREMIUM UI) --- */
@media (max-width: 768px) {
    #main-nav {
        height: 100dvh;
        background: rgba(255, 255, 255, 0.70);
        /* Plus transparent */
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-10px) scale(0.98);
        transition: opacity 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
        overflow-y: auto;
        justify-content: flex-start;
        padding: 3rem 0.8rem 0.8rem 0.8rem;
    }

    [data-theme="dark"] #main-nav {
        background: rgba(18, 18, 18, 0.80);
        box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.8);
    }

    #main-nav.open {
        transform: translateY(0) scale(1);
    }

    #main-nav ul {
        gap: 0.3rem;
        margin: auto;
        padding: 0;
    }

    #main-nav li {
        transform: translateY(25px);
        transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    #main-nav.open li {
        transform: translateY(0);
    }

    #main-nav a {
        font-size: 0.82rem;
        padding: 0.3rem 0.7rem;
        line-height: 1.2;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.5);
        border: 1px solid rgba(255, 255, 255, 0.7);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        color: var(--text-color);
        transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
    }
    
    #main-nav a .nav-text {
        font-size: 0.82rem;
    }

    [data-theme="dark"] #main-nav a {
        background: rgba(40, 40, 40, 0.4);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }

    #main-nav a:active,
    #main-nav a:hover,
    #main-nav a.active {
        background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark)) !important;
        color: white !important;
        transform: scale(1.03) translateY(-2px);
        border-color: transparent !important;
        box-shadow: 0 8px 20px rgba(0, 123, 255, 0.3) !important;
    }

    [data-theme="dark"] #main-nav a:active,
    [data-theme="dark"] #main-nav a:hover,
    [data-theme="dark"] #main-nav a.active {
        box-shadow: 0 8px 20px rgba(0, 123, 255, 0.5) !important;
    }

    #menu-toggle {
        font-size: 2.2rem;
        padding: 5px;
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
    }

    #menu-toggle:active {
        transform: scale(0.85);
    }
}
/* --- OPTIMISATION LECTURE MOBILE (READ MORE) --- */
.text-clamp {
    position: relative;
    max-height: 100px; 
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.text-clamp.expanded {
    max-height: 2000px; 
}

.text-clamp::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40px;
    background: linear-gradient(to bottom, transparent, var(--surface-color));
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.text-clamp.expanded::after {
    opacity: 0;
}

.read-more-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    padding: 0.5rem 0;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    transition: color 0.2s;
}

.read-more-btn:hover {
    color: var(--primary-color-dark);
}

.read-more-btn i {
    transition: transform 0.3s ease;
}

.read-more-btn.expanded i {
    transform: rotate(180deg);
}

.timeline-content ul, 
.certification-content ul {
    margin-top: 0.5rem;
}

.timeline-content ul li,
.certification-content ul li {
    margin-bottom: 0.8rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .timeline-content ul li,
    .certification-content ul li {
        font-size: 0.92rem;
        margin-bottom: 0.6rem;
    }
}


/* CORRECTION TAILLE SWITCH */
.header-controls .switch { transform: scale(0.5) !important; transform-origin: right center !important; margin-left: auto; }