:root {
    --bg: #f3f6f8;
    --surface: #ffffff;
    --surface-muted: #e9f0f4;
    --border: #d3dfe8;
    --text: #132231;
    --muted: #4c6576;
    --accent: #0f766e;
    --accent-strong: #0a544f;
}

* {
    box-sizing: border-box;
}

.site-body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(1200px 700px at 10% -10%, #dceef7 0%, transparent 60%),
        radial-gradient(1000px 600px at 110% -5%, #def3ec 0%, transparent 58%),
        var(--bg);
    font-family: "Inter", "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
}

.site-shell {
    width: min(1100px, calc(100% - 2rem));
    margin: 0 auto;
}

.site-header {
    backdrop-filter: blur(8px);
    background: color-mix(in srgb, var(--surface) 78%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header .site-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 4rem;
}

.brand {
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    transition: background-color 150ms ease, color 150ms ease;
}

.main-nav a:hover,
.main-nav a.is-active {
    color: var(--text);
    background-color: var(--surface-muted);
}

.site-main {
    padding: 2rem 0 3rem;
}

.site-footer {
    padding: 1.1rem 0 2.4rem;
    color: var(--muted);
}

.panel {
    background: var(--surface);
    border: 1px solid color-mix(in srgb, var(--border) 80%, white);
    border-radius: 20px;
    padding: 1.4rem 1.6rem;
    box-shadow: 0 16px 40px -34px rgba(5, 22, 40, 0.45);
}

.hero h1 {
    margin-top: 0.3rem;
    margin-bottom: 0.7rem;
    font-size: clamp(1.7rem, 3.2vw, 2.6rem);
    line-height: 1.12;
}

.hero p {
    max-width: 75ch;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.75rem;
    font-weight: 700;
    color: color-mix(in srgb, var(--accent) 80%, black);
    margin: 0;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.1rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-weight: 600;
    padding: 0.65rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    color: var(--text);
    background: #fff;
}

.button.primary {
    border-color: color-mix(in srgb, var(--accent) 70%, black);
    background: var(--accent);
    color: #fff;
}

.button.primary:hover {
    background: var(--accent-strong);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

h2 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 1.1rem;
}

ul {
    margin: 0.2rem 0 0;
    padding-left: 1.1rem;
}

li + li {
    margin-top: 0.35rem;
}

code {
    background: #edf3f7;
    border-radius: 6px;
    padding: 0.05rem 0.35rem;
}