/* Reset léger */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

/* Fond et typo globale */

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #111827 0, #020617 45%, #000 100%);
    color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Bandeau global POPARNASSUS */

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    width: 100%;
    height: 72px;
    background: rgba(2, 6, 23, 0.98);
    border-bottom: 1px solid rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(14px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
}

.site-title {
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-size: 0.8rem;
    font-weight: 700;
    color: #7dd3fc;
    padding: 0.6rem 1.4rem;
    border-radius: 999px;
    border: 1px solid rgba(56, 189, 248, 0.6);
    background: radial-gradient(circle at 30% 0, #0ea5e9, #1e293b 60%);
    box-shadow: 0 0 25px rgba(56, 189, 248, 0.7);
    text-align: center;
}

.site-title:hover {
    color: #f9fafb;
    border-color: rgba(125, 211, 252, 0.9);
}

/* Contenu principal centré */

.home-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem 3rem;
}

.home-content {
    text-align: center;
}

/* Image d'accueil */

.home-image-box {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.home-image {
    max-width: 240px;
    width: 60vw;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.8);
    object-fit: contain;
}

/* Titre principal */

.home-title {
    margin: 0 0 1.8rem;
    font-size: clamp(2rem, 2.3vw + 1.4rem, 2.6rem);
    letter-spacing: 0.08em;
    color: #7dd3fc;
}

/* Boutons de navigation */

.home-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.home-btn {
    text-decoration: none;
    font-size: 1.05rem;
    padding: 0.7rem 1.6rem;
    border-radius: 999px;
    border: 1px solid #38bdf8;
    color: #e0f2fe;
    background: rgba(15, 23, 42, 0.95);
    transition: 0.18s ease;
    min-width: 190px;
    text-align: center;
}

.home-btn:hover {
    background: #082f49;
    box-shadow: 0 12px 30px rgba(8, 47, 73, 0.8);
    transform: translateY(-1px);
}

/* Responsive */

@media (max-width: 600px) {
    .home-container {
        padding-inline: 1rem;
    }

    .home-btn {
        min-width: 100%;
    }
}