:root {
    --color-bg: #0b0f14;
    --color-surface: #141a22;
    --color-text: #e8edf2;
    --color-muted: #8b98a8;
    --color-accent: #3d8bfd;
    --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
    --max-width: 52rem;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-sans);
    line-height: 1.6;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.site-header {
    align-items: center;
    border-bottom: 1px solid #1f2833;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
    max-width: var(--max-width);
    padding: 1rem 1.25rem;
}

.site-logo {
    color: var(--color-text);
    font-weight: 700;
    text-decoration: none;
}

.site-nav a {
    color: var(--color-muted);
}

.site-main {
    margin: 0 auto;
    max-width: var(--max-width);
    padding: 2.5rem 1.25rem 4rem;
}

.site-footer {
    border-top: 1px solid #1f2833;
    color: var(--color-muted);
    font-size: 0.875rem;
    margin: 0 auto;
    max-width: var(--max-width);
    padding: 1.5rem 1.25rem 2rem;
}

.hero-eyebrow {
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin: 0 0 0.75rem;
    text-transform: uppercase;
}

.hero h1,
.page-intro h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
    margin: 0 0 1rem;
}

.hero-lead {
    color: var(--color-muted);
    font-size: 1.125rem;
    margin: 0 0 1.75rem;
    max-width: 38rem;
}

.btn {
    border-radius: 0.5rem;
    display: inline-block;
    font-weight: 600;
    padding: 0.75rem 1.25rem;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
}

.btn-primary:hover {
    filter: brightness(1.08);
    text-decoration: none;
}

.placeholder-card {
    background: var(--color-surface);
    border: 1px solid #1f2833;
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.placeholder-card h2 {
    font-size: 1.125rem;
    margin: 0 0 0.75rem;
}

.placeholder-card ul {
    color: var(--color-muted);
    margin: 0;
    padding-left: 1.25rem;
}