:root {
    --bg:#ffffff;
    --text:#111;
    --card:#f5f5f5;
    --border:rgba(0,0,0,.08);
    --gold:#C9A86A;
}

body.dark {
    --bg:#0f0f0f;
    --text:#fff;
    --card:#1a1a1a;
    --border:rgba(255,255,255,.08);
    color-scheme: dark;
}

/* BASE */
html, body {
    margin:0;
    min-height:100vh;
    background:var(--bg);
    color:var(--text);
    transition:.3s;
}

/* FIX GLOBAL */
section, main {
    background:var(--bg);
    color:var(--text);
}

/* CARD */
.card {
    background:var(--card);
    border:1px solid var(--border);
    padding:20px;
    border-radius:12px;
}

/* HEADER */
.header {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 40px;
    background:var(--bg);
    border-bottom:1px solid var(--border);
}
/* =========================
   LOGO PREMIUM (LUXE)
========================= */

.logo {
    display: flex;
    align-items: center;
    gap: 14px;

    text-decoration: none;
    color: var(--text);
}

/* cadre du logo */
.logo-box {
    width: 52px;
    height: 52px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 14px;

    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);

    backdrop-filter: blur(8px);
}


/* texte brand */
.brand {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
}

.brand-tagline {
    font-size: 12px;
    opacity: 0.7;
}