.hero-v21-block {
    max-width: 48rem;
}

.hero-v21-icon {
    width: 2.5rem;
    height: 2.5rem;
}

.hero-v21-btn-ghost {
    background-color: transparent;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.hero-v21-btn-ghost:hover,
.hero-v21-btn-ghost:focus {
    background-color: rgba(255, 255, 255, 0.2);
    color: #fff !important;
    border-color: #fff !important;
}

/* -- Button hover states -- */
.hero-btn-primary {
    transition: filter 0.2s ease, transform 0.15s ease;
}
.hero-btn-primary:hover,
.hero-btn-primary:focus {
    filter: brightness(1.12);
    transform: translateY(-1px);
}

.hero-btn-outline-secondary {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-secondary:hover,
.hero-btn-outline-secondary:focus {
    background-color: var(--bs-secondary) !important;
    color: #fff !important;
    border-color: var(--bs-secondary) !important;
    transform: translateY(-1px);
}

.hero-btn-outline-primary-light {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
}
.hero-btn-outline-primary-light:hover,
.hero-btn-outline-primary-light:focus {
    background-color: var(--bs-primary) !important;
    color: #fff !important;
    border-color: var(--bs-primary) !important;
    transform: translateY(-1px);
}
.brief-sq-10 { width: 2.5rem; height: 2.5rem; flex-shrink: 0; }

.brief-glass-card,
.brief-glass-panel,
.brief-glass-value {
    backdrop-filter: blur(0.75rem);
    box-shadow: 0 1rem 2rem rgba(15, 23, 42, 0.08);
}

.brief-glass-card {
    background-color: rgba(var(--bs-body-bg-rgb), 0.72);
}

.brief-glass-panel,
.brief-glass-value {
    background-color: rgba(var(--bs-body-bg-rgb), 0.56);
}

.brief-brand-line {
    width: 2.5rem;
    height: 0.125rem;
    background-color: rgba(var(--bs-primary-rgb), 0.45);
}

.brief-orb-one {
    top: -6rem;
    left: -6rem;
    width: 24rem;
    height: 24rem;
    filter: blur(3rem);
}

.brief-orb-two {
    right: -6rem;
    bottom: -6rem;
    width: 20rem;
    height: 20rem;
    filter: blur(3rem);
}

.brief-orb-three {
    top: 50%;
    right: 25%;
    width: 14rem;
    height: 14rem;
    filter: blur(3rem);
}

.brief-cta-hover {
    transition: transform 0.3s ease;
}

.brief-cta-hover:hover {
    transform: scale(1.05);
}

.brief-card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brief-card-hover:hover {
    transform: translateY(-0.25rem);
    box-shadow: var(--bs-box-shadow-lg);
}

.brief-icon-hover {
    transition: transform 0.3s ease;
}

.brief-card-hover:hover .brief-icon-hover {
    transform: scale(1.1);
}

.brief-title-hover {
    transition: color 0.3s ease;
}

.brief-card-hover:hover .brief-title-hover {
    color: var(--bs-primary);
}

.inbox-twin-panes__split {
    max-width: 64rem;
}

.inbox-twin-panes__halo {
    width: 10rem;
    height: 10rem;
}