/* ------------------- */
/* RESET & GLOBAL      */
/* ------------------- */
:root {
    --bg-dark: #1A1A1A;
    --bg-medium: #222222;
    --font-light: #F5F5F5;
    --font-dark: #CCCCCC;

    --accent-yellow: #FFB800;
    --accent-magenta: #E040FB;
    --accent-cyan: #00F0FF;

    --font-title: 'Poppins', sans-serif;
    --font-text: 'Inter', sans-serif;
}

header *, main *, footer * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
}

header, main, footer {
    font-family: var(--font-text);
    color: var(--font-light);
    line-height: 1.6;
}

.container, .error-404 {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
}

section {
    padding: 100px 0;
}

main h1, main h2, main h3 {
    font-family: var(--font-title);
    font-weight: 700;
}

main h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

main h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-cyan);
    margin: 15px auto 0;
}

header a, main a, footer a {
    color: var(--font-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

header p, main a, footer p {
    color: var(--font-dark);
}

/* ------------------- */
/* BUTTONS             */
/* ------------------- */
.button-primary {
    background-image: linear-gradient(90deg, var(--accent-yellow), var(--accent-magenta));
    color: var(--bg-dark);
    font-family: var(--font-text);
    font-weight: 500;
    padding: 12px 25px;
    border-radius: 50px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.button-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.button-accent {
    background-color: var(--accent-yellow);
    color: var(--bg-dark);
    font-family: var(--font-text);
    font-weight: 500;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.button-accent:hover {
    background-color: #ffd04e;
    transform: translateY(-3px);
}

.button-secondary {
    border: 2px solid var(--accent-yellow);
    color: var(--accent-yellow);
    padding: 12px 25px;
    border-radius: 50px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.button-secondary:hover {
    background-color: var(--accent-yellow);
    color: var(--bg-dark);
}

/* ------------------- */
/* HEADER              */
/* ------------------- */
.site-header {
    background-color: rgba(34,34,34,0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 51;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* -- Style pour le conteneur du logo (image + texte) -- */
.logo {
    display: flex;
    align-items: center;
    gap: 15px; /* Espace entre le logo et le texte */
}

/* -- Style pour le texte "Wikeo 3D" -- */
.logo span {
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--font-light); /* Texte blanc par défaut */
    transition: all 0.4s ease-in-out; /* Transition douce pour l'effet */
}

/* -- L'EFFET DE SURVOL -- */
.logo:hover span {
    /* On crée un fond en dégradé avec les couleurs vives */
    background-image: linear-gradient(90deg, var(--accent-yellow), var(--accent-magenta), var(--accent-cyan));
    
    /* On attache le fond à la forme du texte */
    -webkit-background-clip: text;
    background-clip: text;
    
    /* On rend la couleur du texte transparente pour révéler le dégradé */
    color: transparent;
}

.logo img {
    height: 50px;
    width: auto;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.logo:hover img {
    transform: scale(1.05);
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-weight: 500;
}

.main-nav a:hover {
    color: var(--accent-magenta);
}

/* ------------------- */
/* HERO                */
/* ------------------- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1544256718-3bcf237f3974?q=80&w=2670&auto=format&fit=crop') no-repeat center center/cover;
    z-index: -1;
}

.video-overlay {
    width: 100%;
    height: 100%;
    background-color: rgba(26,26,26,0.8);
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

/* ------------------- */
/* SERVICES            */
/* ------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--bg-medium);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid transparent;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-magenta);
}

.service-card .icon {
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* ------------------- */
/* PORTFOLIO           */
/* ------------------- */
.portfolio-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    grid-template-rows: repeat(2, 250px);
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
}

.portfolio-item.large {
    grid-row: 1 / 3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.5rem;
}

.portfolio-cta {
    text-align: center;
    margin-top: 60px;
}

/* ------------------- */
/* FOOTER              */
/* ------------------- */
.site-footer {
    background-color: #000;
    padding: 60px 0 20px;
    margin-top: 100px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--font-light);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a:hover {
    color: var(--accent-yellow);
}

.footer-col p a {
    color: var(--font-dark);
}

.footer-logo img {
    height: 60px;
    margin-bottom: 20px;
}

.social-links a {
    font-size: 1.8rem;
    margin-right: 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
}

.footer-bottom p {
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--font-light);
    font-weight: 500;
}

/* ------------------- */
/* RESPONSIVE          */
/* ------------------- */
@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    h2 { font-size: 2rem; }

    .site-header .container { flex-direction: column; gap: 15px; }
    .main-nav ul { gap: 15px; }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .portfolio-item.large { grid-row: auto; }

    /* -- NOUVELLES RÈGLES -- */
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.3;
    }
    .hero p {
        font-size: 1rem;
    }
    .hero-content {
        padding: 0 15px;
    }
}

/* ------------------- */
/* PAGE PORTFOLIO      */
/* ------------------- */
.portfolio-page-section {
    padding-top: 120px;
    padding-bottom: 100px;
}

.page-header {
    text-align: center;
    margin-bottom: 60px;
}

.page-header h1 {
    font-size: 3.5rem;
    color: var(--font-light);
    margin-bottom: 10px;
}

.page-header p {
    font-size: 1.2rem;
    color: var(--font-dark);
}

/* -- Barre de filtres -- */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
    flex-wrap: wrap; /* Pour les petits écrans */
}

.filter-btn {
    background-color: var(--bg-medium);
    color: var(--font-light);
    border: 2px solid transparent;
    padding: 10px 25px;
    border-radius: 50px;
    cursor: pointer;
    font-family: var(--font-text);
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: #333;
    border-color: var(--accent-cyan);
}

.filter-btn.active {
    background-color: var(--accent-yellow);
    color: var(--bg-dark);
    border-color: var(--accent-yellow);
}

/* -- Galerie -- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1 / 1; /* Pour des images carrées */
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay h3 {
    font-size: 1.5rem;
    color: var(--font-light);
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-overlay h3 {
    transform: translateY(0);
}