:root {
    --bg:      #0e0e0e;
    --panel:   #161616;
    --border:  #2a2a2a;
    --accent:  #e8c547;
    --accent2: #e87d47;
    --fg:      #c8c8c8;
    --dim:     #555;
    --mono:    'JetBrains Mono', monospace;
    --display: 'Syne', sans-serif;
}

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

body {
    background: var(--bg);
    color: var(--fg);
    font-family: var(--mono);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1.5rem;
    position: relative;
}

/* ── Navigation ── */
nav {
    position: fixed;
    top: 1.5rem;
    right: 1.75rem;
    display: flex;
    gap: 6px;
    z-index: 10;
}

nav a {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--dim);
    text-decoration: none;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: var(--panel);
    letter-spacing: 0.5px;
    transition: color .15s, border-color .15s;
}

nav a:hover,
nav a.active {
    color: var(--accent);
    border-color: var(--accent);
}

/* ── Contenu centré ── */
.wrapper {
    width: 100%;
    max-width: 620px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.logo-slot {
    width: 192px;
    height: 192px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--panel);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.logo-slot img {
    max-width: 128px;
    max-height: 128px;
    object-fit: contain;
}

.heading { text-align: center; }

.heading h1 {
    font-family: var(--display);
    font-size: clamp(1.4rem, 4vw, 1.9rem);
    font-weight: 700;
    color: var(--fg);
    letter-spacing: -0.5px;
    margin-bottom: 0.4rem;
}

.heading .tagline {
    font-size: 0.7rem;
    color: var(--dim);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.divider {
    width: 100%;
    border: none;
    border-top: 1px solid var(--border);
}

.description {
    width: 100%;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.75rem 2rem;
    font-size: 0.875rem;
    line-height: 1.8;
    text-align: center;
    color: var(--fg);
}