/* ── Variables de marca BetUltra ─────────────────────────────────────────── */
:root {
    --bu-blue:        #0ea5e9;
    --bu-blue-light:  #38bdf8;
    --bu-blue-dark:   #0284c7;
    --bu-gold:        #f59e0b;
    --bu-bg:          #060e1a;
    --bu-card:        #0c1829;
    --bu-card-border: #172a47;
    --bu-text-muted:  rgba(148,180,220,0.55);
}

/* ── Reset wrappers de index.php para secciones full-width ───────────────── */
body { background-color: var(--bu-bg); }

.container,
#sectionContenido {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    display: block !important;
    width: 100% !important;
}

main { padding: 0 !important; margin: 0 !important; }

/* ── Hero ────────────────────────────────────────────────────────────────── */
.bu-hero {
    min-height: 82vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 1.5rem;
}

.bu-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid rgba(14,165,233,0.35);
    background: rgba(14,165,233,0.08);
    color: var(--bu-blue);
    font-size: .85rem;
    font-weight: 500;
    padding: .4rem 1.1rem;
    border-radius: 999px;
    margin-bottom: 2rem;
    letter-spacing: .03em;
}

.bu-title {
    font-family: 'Michroma', sans-serif;
    font-size: clamp(2.2rem, 6vw, 3.8rem);
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    color: #fff;
}

.bu-title span { color: var(--bu-blue); }

.bu-divider {
    width: 80px;
    height: 3px;
    background: var(--bu-gold);
    border-radius: 2px;
    margin: 0 auto 1.5rem;
}

.bu-subtitle {
    color: var(--bu-text-muted);
    font-size: 1rem;
    max-width: 440px;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.bu-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--bu-blue);
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    padding: .9rem 2.2rem;
    border-radius: .75rem;
    text-decoration: none;
    transition: background .15s;
    border: none;
    cursor: pointer;
}

.bu-btn:hover  { background: var(--bu-blue-light); color: #fff; }
.bu-btn:active { background: var(--bu-blue-dark); }

/* ── Features ────────────────────────────────────────────────────────────── */
.bu-features {
    padding: 0 1.5rem 4rem;
    max-width: 1024px;
    margin: 0 auto;
    width: 100%;
}

.bu-section-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.bu-section-divider hr {
    flex: 1;
    border: none;
    height: 1px;
    background: var(--bu-card-border);
    margin: 0;
}

.bu-section-divider span {
    color: var(--bu-blue);
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.bu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.bu-card {
    background: var(--bu-card);
    border: 1px solid var(--bu-card-border);
    border-radius: 1rem;
    padding: 1.5rem;
}

.bu-card-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(14,165,233,0.12);
    border: 1px solid rgba(14,165,233,0.2);
    border-radius: .75rem;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.bu-card h3 {
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: .35rem;
}

.bu-card p {
    color: var(--bu-text-muted);
    font-size: .85rem;
    line-height: 1.5;
    margin: 0;
}