/* Palette de couleurs inspirée de l'espace */
:root {
    --violet-fonce: #2E1A47; /* Fond principal */
    --violet-clair: #8A4FFF; /* Éléments en surbrillance */
    --bleu-nuit: #1A1A40;  /* Couleur de fond sombre */
    --bleu-etoile: #4A6FA5; /* Texte secondaire */
    --gris-etoile: #D9D9D9; /* Texte principal clair */
    --blanc-pur: #ffffff;
    --orange: #FF4500;
    --fond-a-propos: #1B1B2F;
    --bouton-about: #2C2C54;
    --bouton-about-hover: #FF6F91;
    --contact-link: #55D5E0;
    --footer-bg: rgba(30, 26, 71, 0.8);
    --portfolio-item-bg: #1B1B2F;
    --projets-bg: #2E1A47;
    --tkt: #052530;
    --rose: #87265D;
}

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

/* Images fluides */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Corps de la page */
body {
    font-family: Arial, sans-serif;
    color: var(--gris-etoile);
    margin: 0;
    padding: 0;
    background: url('../img/image-de-fond.jpg') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
}

/* Sections : padding fluide + évite les largeurs cassées */
section {
    padding: 80px 20px;
}

/* Header avec navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: none;
    z-index: 1000;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    font-size: 1.5em;
    font-weight: bold;
    color: var(--blanc-pur);
}

.logo i {
    margin-right: 10px;
}

/* Navigation */
nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    flex-wrap: wrap; /* évite de casser sur petits écrans */
}

nav ul li a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--blanc-pur);
    font-weight: 300;
    font-size: 1em;
    transition: color 0.3s ease;
}

nav ul li a i {
    margin-right: 8px;
}

nav ul li a:hover {
    color: var(--violet-clair);
}

/* Section Accueil */
#accueil {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 120px; /* évite que le header masque le contenu */
    padding-bottom: 60px;
}

/* Texte et éléments de l'intro */
.intro {
    color: var(--blanc-pur);
    text-align: center;
    padding: 0 10px;
}

.intro h1 {
    color: var(--blanc-pur);
    font-size: clamp(2.2rem, 5vw, 4rem); /* responsive */
}

.intro p {
    font-size: clamp(1rem, 2.2vw, 1.5rem);
    margin: 0.6em 0;
    color: var(--gris-etoile);
}

/* Bouton CV */
.btn-cv {
    display: inline-block;
    background: var(--violet-clair);
    color: var(--blanc-pur);
    padding: 10px 20px;
    margin-top: 20px;
    text-decoration: none;
    border-radius: 10px;
    font-size: 1.1em;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-cv:hover {
    background: var(--orange);
    transform: translateY(-2px);
}

/* Onglets (si utilisés) */
.tab-button.active {
    background: var(--violet-clair);
    color: var(--blanc-pur);
}
.tab-content {
    min-height: 150px;
}

/* Section Portfolio (wrapper) */
#portfolio {
    background: var(--violet-fonce);
    padding: 60px 20px;
    position: relative;
}

/* À propos */
#a-propos {
    position: relative;
    background: var(--fond-a-propos);
    color: var(--gris-etoile);
    padding: 50px;
    text-align: center;
    border-radius: 20px;
    width: min(1100px, 80%);
    margin: 50px auto;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

#a-propos h2 {
    color: var(--gris-etoile);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    margin-bottom: 20px;
}

.title-soft {
    font-weight: bold;
    font-size: 1em;
    color: var(--orange);
    margin-right: 5px;
}

.about-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 25px;
}

.profile-pic {
    border-radius: 20px;
    width: 200px;
    height: auto;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    margin-bottom: 20px;
}

.about-info {
    max-width: 600px;
    width: 100%;
    text-align: left;
}

/* Boutons À propos (consolidé, sans doublon) */
.about-info button {
    background: var(--bouton-about);
    color: var(--gris-etoile);
    border: none;
    padding: 15px 25px;
    margin: 10px 5px;
    border-radius: 12px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease, color 0.3s ease;
}

.about-info button.active,
.about-info button:hover {
    background: var(--bouton-about-hover);
    color: var(--blanc-pur);
    transform: scale(1.03);
}

.about-info p {
    font-size: 1.15em;
    line-height: 1.6em;
    margin-top: 20px;
}

/* Section Compétences Techniques */
#competences-techniques {
    padding: 50px 20px;
    text-align: center;
}

#competences-techniques h2 {
    color: var(--blanc-pur);
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    margin-bottom: 30px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.skill-card,
.skill-card2,
.skill-card3,
.skill-card4,
.skill-card5,
.skill-card6,
.skill-card7 {
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.skill-card img,
.skill-card2 img,
.skill-card3 img,
.skill-card4 img,
.skill-card5 img,
.skill-card6 img,
.skill-card7 img {
    width: 50px;
    height: 50px;
    margin-bottom: 10px;
}

.skill-card p,
.skill-card2 p,
.skill-card3 p,
.skill-card4 p,
.skill-card5 p,
.skill-card6 p,
.skill-card7 p {
    font-size: 1.1em;
    font-weight: bold;
    color: var(--gris-etoile);
    text-align: center;
}

.skill-card:hover,
.skill-card2:hover,
.skill-card3:hover,
.skill-card4:hover,
.skill-card5:hover,
.skill-card6:hover,
.skill-card7:hover {
    transform: translateY(-10px);
    box-shadow: 0 6px 12px rgba(255, 102, 178, 0.5);
}

.skill-card { background-color: var(--fond-a-propos); }
.skill-card2 { background-color: var(--violet-clair); }
.skill-card3 { background-color: var(--rose); }
.skill-card4 { background-color: var(--orange); }
.skill-card5 { background-color: var(--bleu-etoile); }
.skill-card6 { background-color: #FF69B4; }
.skill-card7 { background-color: #32CD32; }

/* Section Portfolio */
#portfolio p {
    font-size: 1.2em;
    line-height: 1.6em;
    color: var(--gris-etoile);
}

/* Grille de projets (responsive déjà via auto-fit) */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    padding: 40px 0;
}

/* Carte projet */
.portfolio-item {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: var(--tkt);
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    min-height: 380px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.portfolio-item img {
    width: 100%;
    display: block;
}

.portfolio-image img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: cover;
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.portfolio-info {
    position: relative;
    padding: 18px 18px 30px;
    min-height: 110px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.portfolio-info h3 {
    color: var(--violet-clair);
    margin-bottom: 10px;
}

.portfolio-info p {
    flex-grow: 1;
    margin-bottom: 10px;
}

.portfolio-info small {
    position: absolute;
    bottom: 8px;
    right: 12px;
    font-size: 0.75em;
    color: var(--gris-etoile);
    opacity: 0.8;
    text-align: right;
}

.tech-used {
    font-style: italic;
    color: var(--bleu-etoile);
    font-weight: bold;
    margin-bottom: 6px;
    display: block;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

/* Section Projets */
#projets {
    padding: 50px 20px;
    border-radius: 20px;
    margin: 50px auto;
    width: min(1100px, 80%);
}

#projets h2 {
    color: var(--violet-clair);
}

#projets p {
    font-size: 1.2em;
    color: var(--gris-etoile);
}

/* Section Contact */
#contact {
    background: var(--bleu-nuit);
    padding: 50px 20px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    margin: 50px auto;
    width: min(1100px, 80%);
    text-align: center;
}

#contact h2 {
    color: var(--bleu-etoile);
    margin-bottom: 20px;
}

#contact p,
#contact a {
    font-size: 1.15em;
    color: var(--gris-etoile);
    margin: 10px 0;
    text-decoration: none;
}

#contact a:hover {
    color: var(--violet-clair);
}

.btn-contact {
    display: inline-block;
    background: var(--violet-clair);
    color: var(--blanc-pur);
    padding: 12px 25px;
    margin: 15px 10px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.05em;
    transition: background 0.3s ease, transform 0.2s ease;
}

.btn-contact:hover {
    background: var(--orange);
    transform: translateY(-3px);
}

.video-btn i {
    margin-right: 8px;
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: var(--gris-etoile);
    text-align: center;
    padding: 20px;
    position: relative;
    z-index: 2;
}

/* ========================= */
/*          RESPONSIVE       */
/* ========================= */

/* Tablette */
@media (max-width: 1024px) {
    header {
        padding: 16px 25px;
    }

    nav ul {
        gap: 18px;
    }

    #a-propos,
    #projets,
    #contact {
        width: 90%;
        padding: 40px 20px;
    }

    .portfolio-grid {
        gap: 25px;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
}

/* Mobile */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 12px 18px;
    }

    nav {
        width: 100%;
    }

    nav ul {
        width: 100%;
        flex-direction: column;
        gap: 10px;
    }

    nav ul li a {
        width: 100%;
        display: block;
        padding: 10px 0;
    }

    #accueil {
        padding-top: 140px;
        min-height: 100vh;
    }

    .about-container {
        flex-direction: column;
        align-items: center;
    }

    .about-info {
        text-align: center;
    }

    .about-info button {
        width: 100%;
        max-width: 420px;
    }

    #a-propos,
    #portfolio,
    #projets,
    #contact {
        width: 92%;
    }

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

/* Très petits écrans */
@media (max-width: 480px) {
    header {
        padding: 10px 14px;
    }

    .logo {
        font-size: 1.25em;
    }

    .btn-cv,
    .btn-contact {
        width: 100%;
        max-width: 420px;
    }

    #a-propos {
        padding: 30px 16px;
    }

    #contact {
        padding: 35px 16px;
    }

    .portfolio-info {
        padding: 16px 16px 30px;
    }
}