/* style.css - Version Créative et Professionnelle */

/* --- Importation des Polices (Google Fonts) --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Roboto+Mono:wght@400;500&display=swap');

/* --- Variables CSS (Palette de couleurs, polices, etc.) --- */
:root {
    /* Polices */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Poppins', sans-serif;
    --font-code: 'Roboto Mono', monospace;

    /* Palette de couleurs */
    --color-background: #1a1d24;
    --color-surface: #252a34;
    --color-primary: #08d9d6;
    --color-secondary: #ff2e63;
    --color-accent: #e67e22;
    --color-text: #eaeaea;
    --color-text-light: #ffffff;
    --color-text-muted: #9e9e9e;
    --color-border: #3a3f4b;

    /* Variables RGB pour les ombres avec opacité */
    --color-primary-rgb: 8, 217, 214;
    --color-secondary-rgb: 255, 46, 99;
    --color-surface-rgb: 37, 42, 52;
    --color-background-rgb: 26, 29, 36;

    /* Autres variables de design */
    --shadow-glow: 0 0 15px rgba(var(--color-primary-rgb), 0.5), 0 0 30px rgba(var(--color-primary-rgb), 0.3);
    --shadow-deep: 0 10px 30px rgba(0, 0, 0, 0.3);
    --border-radius: 10px;
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    --section-padding: 80px 25px;
}

/* --- Réinitialisation et Styles Globaux --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) var(--color-surface);
}

body::-webkit-scrollbar {
    width: 10px;
}
body::-webkit-scrollbar-track {
    background: var(--color-surface);
}
body::-webkit-scrollbar-thumb {
    background-color: var(--color-primary);
    border-radius: 20px;
    border: 2px solid var(--color-surface);
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    background-color: var(--color-background);
    color: var(--color-text);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Typographie --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-light);
    line-height: 1.2;
    margin-bottom: 1em;
    letter-spacing: -0.5px;
}

h1 { font-size: clamp(2.8rem, 6vw, 4.8rem); font-weight: 700; }
h2 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 600; }
h3 { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 600; }

p {
    margin-bottom: 1.2rem;
    color: var(--color-text-muted);
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-smooth), text-shadow var(--transition-smooth);
}
a:hover, a:focus {
    color: var(--color-secondary);
    text-shadow: 0 0 8px rgba(var(--color-primary-rgb), 0.7);
    outline: none;
}

/* --- En-tête / Section Héro --- */
header#hero {
    min-height: 100vh;
    padding: var(--section-padding);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #16191e, #2a2d35, #16191e);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

#threejs-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.7;
}

#hero-content {
    position: relative;
    z-index: 1;
    padding: 30px 40px;
    background: rgba(37, 42, 52, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-deep);
}

#main-name {
    color: var(--color-text-light);
    font-weight: 700;
    text-shadow: 0 0 15px rgba(var(--color-primary-rgb), 0.6);
}

#main-title {
    color: var(--color-primary);
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 400;
    letter-spacing: 1px;
}

/* --- Navigation --- */
nav#main-nav {
    background-color: rgba(var(--color-background-rgb, 26, 29, 36), 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.2rem 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--color-border);
}

nav#main-nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav#main-nav ul li {
    margin: 0 5px;
}

nav#main-nav ul li a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-family: var(--font-heading);
    padding: 12px 18px;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    transition: color var(--transition-smooth);
}

nav#main-nav ul li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-smooth), left var(--transition-smooth);
}

nav#main-nav ul li a:hover,
nav#main-nav ul li a:focus,
nav#main-nav ul li a.active {
    color: var(--color-primary);
    text-decoration: none;
}

nav#main-nav ul li a:hover::before,
nav#main-nav ul li a.active::before {
    width: 100%;
    left: 0;
}

nav#main-nav ul li a:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

/* --- Sections Générales du Portfolio --- */
.portfolio-section {
    padding: var(--section-padding);
    max-width: 1200px;
    margin: 60px auto;
    background-color: var(--color-surface);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-deep);
    opacity: 1;
    transform: translateY(0);
    border: 1px solid var(--color-border);
}
.portfolio-section:first-of-type {
    margin-top: 30px;
}

.portfolio-section h2 {
    text-align: center;
    margin-bottom: 60px;
    color: var(--color-text-light);
    position: relative;
    padding-bottom: 20px;
    letter-spacing: 0.5px;
}

.portfolio-section h2::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
}
.portfolio-section h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -3px;
    transform: translateX(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background-color: var(--color-background);
    border: 2px solid var(--color-primary);
}

/* --- Section "À Propos" --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 40px;
}

#profile-image {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    border: 7px solid var(--color-surface);
    box-shadow: 0 0 0 4px var(--color-primary), var(--shadow-deep);
    justify-self: center;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}
#profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 0 0 6px var(--color-primary), 0 0 30px rgba(var(--color-primary-rgb), 0.7);
}

#bio {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--color-text);
}
#bio strong {
    color: var(--color-primary);
    font-weight: 600;
}

#personal-details {
    margin-top: 30px;
    font-size: 1rem;
}
#personal-details p {
    margin-bottom: 12px;
    color: var(--color-text-muted);
}
#personal-details strong {
    color: var(--color-text);
    min-width: 70px;
    display: inline-block;
}

/* --- Bouton Télécharger CV --- */
.cv-download-container {
    text-align: center;
    margin-top: 40px;
    padding-bottom: 20px;
}

.btn-cv-download {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-light);
    background: linear-gradient(to right, var(--color-secondary), var(--color-accent, #e67e22));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    letter-spacing: 0.5px;
}

.btn-cv-download svg {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    stroke: var(--color-text-light);
}

.btn-cv-download:hover,
.btn-cv-download:focus {
    text-decoration: none;
    color: var(--color-text-light);
    background: linear-gradient(to right, var(--color-accent, #e67e22), var(--color-secondary));
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    outline: none;
}

.btn-cv-download:active {
    transform: translateY(-1px) scale(1);
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.skill-category-container {
    margin-bottom: 45px;
    padding: 25px;
    background-color: rgba(var(--color-surface-rgb), 0.3);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-primary);
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.1);
}
.skill-category-container:last-child {
    margin-bottom: 0;
}

.skill-category-title {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    margin-bottom: 25px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.skills-grid-items {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 20px;
}

.skill-item {
    background: rgba(var(--color-primary-rgb), 0.1);
    padding: 18px;
    border-radius: 6px;
    font-weight: 500;
    text-align: center;
    color: var(--color-text);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-smooth),
                box-shadow var(--transition-smooth),
                background-color var(--transition-smooth),
                color var(--transition-smooth),
                border-color var(--transition-smooth);
    font-size: 1rem;
}
.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--color-primary-rgb), 0.3), transparent);
    transition: left 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    opacity: 0;
}
.skill-item:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: var(--shadow-glow);
    background-color: var(--color-primary);
    color: var(--color-background);
    border-color: var(--color-primary);
}
.skill-item:hover::before {
    left: 100%;
    opacity: 1;
}

/* --- Section "Expérience" et "Formation" --- */
.experience-container, .education-container {
    position: relative;
    padding-left: 35px;
}
.experience-container::before, .education-container::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 10px;
    bottom: 10px;
    width: 4px;
    background-image: linear-gradient(var(--color-primary), var(--color-secondary));
    border-radius: 2px;
    opacity: 0.5;
}

.experience-item, .education-item {
    background-color: transparent;
    padding: 15px 20px 15px 35px;
    margin-bottom: 40px;
    border: none;
    box-shadow: none;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}
.experience-item:last-child, .education-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.experience-item::before, .education-item::before {
    content: '';
    position: absolute;
    left: -29px;
    top: 20px;
    width: 18px;
    height: 18px;
    background-color: var(--color-background);
    border: 4px solid var(--color-primary);
    border-radius: 50%;
    z-index: 1;
    transition: transform var(--transition-smooth), background-color var(--transition-smooth);
}
.experience-item:hover::before, .education-item:hover::before {
    transform: scale(1.2);
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.experience-item h3, .education-item h3 {
    color: var(--color-primary);
    margin-bottom: 8px;
}
.experience-item .company, .education-item .institution {
    font-weight: 600;
    color: var(--color-text);
    display: block;
    margin-bottom: 4px;
}
.experience-item .period, .education-item .period {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.experience-item ul {
    list-style-type: none;
    padding-left: 0;
    margin-top: 10px;
}
.experience-item ul li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: var(--color-text-muted);
}
.experience-item ul li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* --- Section "Projets" --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
}

.project-card {
    background: rgba(var(--color-surface-rgb), 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-deep);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}
.project-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4), var(--shadow-glow);
    border-color: var(--color-primary);
}

.project-image-container {
    width: 100%;
    height: 230px;
    overflow: hidden;
    position: relative;
}
.project-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.project-card:hover .project-image-container img {
    transform: scale(1.15);
}
.project-image-container::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent, rgba(var(--color-background-rgb), 0.7));
    opacity: 0;
    transition: opacity var(--transition-smooth);
}
.project-card:hover .project-image-container::after {
    opacity: 1;
}

.project-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.project-content h3 {
    color: var(--color-primary);
    margin-bottom: 12px;
}
.project-description {
    color: var(--color-text-muted);
    flex-grow: 1;
    margin-bottom: 20px;
}
.project-technologies {
    font-family: var(--font-code);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    word-spacing: 5px;
}
.project-technologies strong {
    color: var(--color-text);
}
.project-links {
    margin-top: auto;
    display: flex;
    gap: 12px;
}
.project-link {
    flex-grow: 1;
    padding: 12px 15px;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    text-align: center;
    border-radius: 6px;
    font-weight: 600;
    font-family: var(--font-heading);
    transition: all var(--transition-smooth);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.project-link:hover {
    background-color: var(--color-primary);
    color: var(--color-background);
    text-decoration: none;
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}
.project-live-link {
    background-color: var(--color-primary);
    color: var(--color-background);
}
.project-live-link:hover {
    background-color: var(--color-secondary);
    border-color: var(--color-secondary);
    box-shadow: 0 0 15px rgba(var(--color-secondary-rgb), 0.5);
}

/* --- Section "Contact" --- */
#contact {
    text-align: center;
}
#contact > p {
    font-size: 1.2rem;
    color: var(--color-text);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-form {
    max-width: 700px;
    margin: 40px auto 0 auto;
    background-color: rgba(var(--color-surface-rgb), 0.7);
    padding: 35px 45px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-deep);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.form-group {
    margin-bottom: 28px;
}

.contact-form label {
    display: block;
    font-family: var(--font-heading);
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 10px;
    font-size: 1rem;
    text-align: left;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: rgba(var(--color-background-rgb), 0.8);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.contact-form input[type="text"]::placeholder,
.contact-form input[type="email"]::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.4), inset 0 0 5px rgba(var(--color-primary-rgb),0.1);
}

.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit-container {
    text-align: center;
    margin-top: 35px;
}

.btn-submit-form {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 40px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-background);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-smooth);
    box-shadow: var(--shadow-deep);
    letter-spacing: 0.5px;
}

.btn-submit-form svg {
    margin-left: 10px;
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.btn-submit-form:hover,
.btn-submit-form:focus {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 10px 25px rgba(var(--color-primary-rgb), 0.4), 0 5px 15px rgba(var(--color-secondary-rgb),0.3);
    outline: none;
}
.btn-submit-form:hover svg {
    transform: translateX(3px) rotate(10deg);
}

.btn-submit-form:active {
    transform: translateY(-2px) scale(1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* --- Pied de Page --- */
footer {
    text-align: center;
    padding: 40px 20px;
    background-color: var(--color-surface);
    color: var(--color-text-muted);
    margin-top: 60px;
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
}
footer p { margin-bottom: 0; }

/* --- Responsive Design --- */
@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 220px 1fr;
        text-align: left;
    }
    #profile-image {
        justify-self: start;
    }
    #bio, #personal-details {
        text-align: left;
    }
}

@media (max-width: 768px) {
    /* ✅ MODIFICATION ICI: Cache complètement la barre de navigation sur les petits écrans */
    nav#main-nav {
        display: none;
    }
}


@media (max-width: 600px) {
    .project-links {
        flex-direction: column;
    }
    .project-link {
        width: 100%;
        margin-bottom: 10px;
    }
    .project-link:last-child{
        margin-bottom: 0;
    }
    .contact-form {
        padding: 25px 20px;
    }
}

/* --- Error Container --- */
#error-container p {
    text-align:center;
    padding: 20px;
    font-size:1.2em;
    color: var(--color-secondary);
    background-color: rgba(var(--color-secondary-rgb), 0.1);
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius);
    margin: 20px auto;
    max-width: 800px;
}