:root {
    --brand-primary: #007ade;
    --brand-primary-600: #0066ba;
    --brand-primary-700: #005aa4;
    --brand-primary-50: #e6f2fd;
}

/* Global typography and helpers. */
body {
    font-family: "Inter",system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,"Apple Color Emoji","Segoe UI Emoji";
    line-height: 1.6;
}

.btn-glow {
    box-shadow: 0 0 0.75rem rgba(0,122,222,0.35),0 0.25rem 0.75rem rgba(0,0,0,0.08);
    transition: transform 0.2s ease,box-shadow 0.2s ease;
}

    .btn-glow:hover {
        box-shadow: 0 0 1.25rem rgba(0,122,222,0.5),0 0.35rem 1rem rgba(0,0,0,0.12);
        transform: translateY(-1px);
    }

/* Hero */
.hero {
    background-image: radial-gradient(1200px 600px at 10% -20%,rgba(0,122,222,0.22),transparent),radial-gradient(800px 400px at 90% 0,rgba(0,122,222,0.16),transparent);
    border-bottom: 1px solid var(--bs-border-color);
}

    .hero .display-5 {
        letter-spacing: -0.3px;
    }

.hero-art {
    position: relative;
}

.hero-glow {
    background: radial-gradient(60% 60% at 50% 40%,rgba(0,122,222,0.25),transparent);
    mix-blend-mode: screen;
    pointer-events: none;
}

/* Feature cards */
.feature-card {
    border: 1px solid var(--bs-border-color);
    border-radius: 1rem;
    transition: transform 0.2s ease,box-shadow 0.2s ease;
}

    .feature-card:hover {
        box-shadow: 0 0.75rem 2rem rgba(0,0,0,0.08);
        transform: translateY(-2px);
    }

.feature-icon {
    align-items: center;
    background: linear-gradient(135deg,var(--brand-primary),var(--brand-primary-600));
    border-radius: 0.75rem;
    color: #fff;
    display: inline-flex;
    font-size: 1.25rem;
    height: 2.25rem;
    justify-content: center;
    margin-bottom: 0.75rem;
    width: 2.25rem;
}

/* Safety pipeline */
.pipeline .pipeline-step {
    background: var(--bs-body-bg);
    border: 1px dashed var(--bs-border-color);
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    position: relative;
}

.pipeline .step-badge {
    align-items: center;
    background: var(--brand-primary);
    border-radius: 999px;
    color: #fff;
    display: inline-flex;
    font-size: 0.875rem;
    font-weight: 600;
    height: 1.75rem;
    justify-content: center;
    margin-bottom: 0.5rem;
    width: 1.75rem;
}

/* Checklist */
.checklist li {
    align-items: flex-start;
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.checklist i {
    color: var(--brand-primary);
    line-height: 1.25;
    margin-top: 0.2rem;
}

/* Steps */
.step-card {
    border: 1px solid var(--bs-border-color);
    border-radius: 1rem;
}

.step-number {
    align-items: center;
    background: var(--brand-primary-50);
    border: 1px solid var(--brand-primary);
    border-radius: 0.75rem;
    color: var(--brand-primary);
    display: inline-flex;
    font-weight: 700;
    height: 2rem;
    justify-content: center;
    margin-bottom: 0.75rem;
    width: 2rem;
}

/* Pricing */
.pricing-card {
    border-radius: 1.25rem;
}

/* Spacing utility for large sections. */
.py-6 {
    padding-bottom: 4.5rem !important;
    padding-top: 4.5rem !important;
}

/* Dark mode polish using Bootstrap's variables. */
@media (prefers-color-scheme:dark) {
    .hero {
        background-image: radial-gradient(1200px 600px at 10% -20%,rgba(0,122,222,0.3),transparent),radial-gradient(800px 400px at 90% 0,rgba(0,122,222,0.2),transparent);
    }

    .feature-card:hover {
        box-shadow: 0 0.75rem 2rem rgba(0,0,0,0.35);
    }
}

/* Small tweaks for navbar when scrolled. */
.navbar.is-scrolled {
    background-color: var(--bs-body-bg) !important;
    border-bottom: 1px solid var(--bs-border-color);
}