:root {
    color-scheme: light dark;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #111827;
    color: #f9fafb;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #111827 0%, #1f2937 52%, #312e81 100%);
}

a {
    color: inherit;
}

.shell-header {
    align-items: center;
    display: flex;
    gap: 1.5rem;
    justify-content: space-between;
    padding: 1rem clamp(1rem, 4vw, 4rem);
}

.brand {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-decoration: none;
    text-transform: uppercase;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

nav a,
.card a {
    color: #bfdbfe;
    font-weight: 700;
    text-decoration-thickness: 0.12em;
    text-underline-offset: 0.2em;
}

.shell-main {
    margin: 0 auto;
    max-width: 72rem;
    padding: clamp(1.5rem, 5vw, 5rem) clamp(1rem, 4vw, 4rem);
}

.hero {
    max-width: 50rem;
}

.eyebrow {
    color: #c7d2fe;
    font-size: 0.875rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 5.25rem);
    line-height: 0.95;
    margin: 0 0 1.25rem;
}

h2 {
    margin-top: 0;
}

.hero p,
.safety-note,
.card p {
    color: #d1d5db;
    font-size: 1.05rem;
    line-height: 1.7;
}

.card-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    margin: 2.5rem 0;
}

.flowbite-compatibility {
    margin: 2.5rem 0;
}

.flowbite-compatibility h2 {
    color: #111827;
}

.flowbite-compatibility p {
    color: #374151;
    font-size: 1.05rem;
    line-height: 1.7;
}

.flowbite-actions {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.card,
.safety-note {
    background: rgb(17 24 39 / 0.72);
    border: 1px solid rgb(255 255 255 / 0.12);
    border-radius: 1.25rem;
    box-shadow: 0 1.5rem 3rem rgb(0 0 0 / 0.22);
    padding: 1.25rem;
}

.safety-note ul {
    padding-left: 1.25rem;
}

@media (max-width: 42rem) {
    .shell-header {
        align-items: flex-start;
        flex-direction: column;
    }
}