:root {
    --rl-primary: #111827;
    --rl-accent: #2563eb;
    --rl-muted: #f3f4f6;
}

html {
    scroll-behavior: smooth;
}

body {
    color: #111827;
    background: #fff;
    padding-top: 72px;
}

.rl-navbar {
    background: rgba(17, 24, 39, .96);
    backdrop-filter: blur(12px);
}

.rl-brand-mark {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    margin-right: .5rem;
    border-radius: 10px;
    background: #fff;
    color: var(--rl-primary);
    font-size: .85rem;
}

.rl-hero {
    min-height: calc(100vh - 72px);
    color: #fff;
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, .9), transparent 38%),
        linear-gradient(135deg, #111827, #1f2937);
}

.rl-hero-card {
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, .1);
    backdrop-filter: blur(16px);
}

.rl-hero-card i {
    font-size: 2.5rem;
}

.rl-section-muted {
    background: var(--rl-muted);
}

@media (max-width: 991.98px) {
    .rl-hero {
        min-height: auto;
    }

    .display-3 {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }
}