:root {
    --primary: #1d4ed8;
    --primary-deep: #0f1e46;
    --primary-soft: #60a5fa;
    --nav-bg: #0f1e46;
    --ink: #0f1e46;
    --ink-muted: #3d4d6a;
    --bg: #eef4ff;
    --surface: #ffffff;
    --border: #c7d7f5;
    --accent: #60a5fa;
    --font: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
    --radius: 12px;
    --shadow: 0 12px 40px rgba(15, 30, 70, 0.10);
    --max: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

main { flex: 1; }

header.nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--nav-bg);
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 28px;
    flex-wrap: wrap;
}

header.nav .brand {
    font-weight: 700;
    margin-right: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
}

header.nav .brand img { width: 30px; height: 30px; }
header.nav .bt { font-weight: 700; font-size: 1.05rem; }

header.nav .links { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }

header.nav .item > a {
    display: inline-block;
    text-decoration: none;
    color: #fff;
    opacity: .88;
    font-size: .95rem;
    padding: 8px 12px;
    border-radius: 6px;
}

header.nav .item > a:hover { opacity: 1; background: rgba(255, 255, 255, 0.1); }

.nt { display: none; }
.hamb { display: none; cursor: pointer; color: #fff; font-size: 1.5rem; }

@media (max-width: 768px) {
    .hamb { display: block; }
    header.nav .links {
        display: none;
        flex-basis: 100%;
        flex-direction: column;
        gap: 6px;
        padding-top: 8px;
    }
    .nt:checked ~ .links { display: flex; }
}

.prose {
    max-width: 720px;
    margin: 0 auto;
    padding: 64px 24px 80px;
}

.prose--wide { max-width: var(--max); padding: 28px 24px 48px; }

.prose h1 {
    margin: 0 0 1rem;
    font-size: clamp(1.75rem, 3vw, 2.15rem);
    letter-spacing: -0.01em;
}

.prose h2 {
    margin: 0 0 0.5rem;
    font-size: 1.3rem;
    letter-spacing: -0.01em;
}

.prose p {
    color: var(--ink-muted);
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0 0 1.1em;
}

.prose a:not(.btn) { color: var(--primary); }

.settings-subnav {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 4px;
    margin: 0 0 24px;
    padding: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
}

.settings-subnav::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}

.settings-subnav a {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--ink);
    font-weight: 600;
    font-size: 0.95rem;
}

.prose .settings-subnav a { color: var(--ink); }

.settings-subnav a:hover { background: var(--bg); }

.settings-subnav a[aria-current="page"] {
    background: var(--primary);
    color: #fff;
}

.prose .settings-subnav a[aria-current="page"] { color: #fff; }

.btn {
    display: inline-flex;
    align-items: center;
    appearance: none;
    border: none;
    cursor: pointer;
    font: inherit;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.65rem 1.15rem;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    text-decoration: none;
}

.btn:not(.btn-ghost) {
    margin-bottom: 20px;
}

.btn:hover { background: var(--primary-deep); color: #fff; }

.btn-ghost {
    background: transparent;
    color: var(--primary-deep);
    box-shadow: inset 0 0 0 1.5px var(--primary);
}

.btn-ghost:hover { background: var(--primary); color: #fff; }

.form-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.form-row .btn { height: 44px; padding: 0 1.15rem; }
.form-row .btn.btn-ghost { margin-bottom: 0; }

.field {
    height: 44px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    background: var(--surface);
    color: var(--ink);
    min-width: 280px;
}

.field:focus { outline: 2px solid var(--primary-soft); outline-offset: 0; border-color: var(--primary); }

select.field { min-width: 220px; }

.stack-form { display: grid; gap: 20px; max-width: 520px; margin-bottom: 20px; }
.stack-form label { display: grid; gap: 6px; font-weight: 600; color: var(--ink); }
.stack-form .field { width: 100%; min-width: 0; }

.field-help {
    display: block;
    margin: 0;
    padding-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--ink-muted);
}

.passkey-signin { margin: 16px 0 20px; }
.passkey-nudge {
    background: #fff8e6;
    border: 1px solid #f0dca8;
    border-radius: 12px;
    padding: 12px 16px;
}

.vault-error { color: #b3261e; font-weight: 600; }
.ok { color: #0f6b3a; font-weight: 600; }

.wizard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}

.card {
    display: flow-root;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

.card-soon { opacity: 0.88; }
.eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary);
    margin: 0 0 0.4rem;
}

.soon-label { font-weight: 700; color: var(--ink-muted); }

.vault-table { width: 100%; border-collapse: collapse; background: var(--surface); }
.vault-table th, .vault-table td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--border); }

footer.foot {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 28px;
    color: var(--ink-muted);
    font-size: 0.9rem;
}

footer.foot .tag { opacity: 0.8; }

header.nav .nav-form { display: inline; margin: 0; }
header.nav .nav-link-btn {
    display: inline-block;
    background: none;
    border: 0;
    margin: 0;
    font: inherit;
    font-size: .95rem;
    color: #fff;
    opacity: .88;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
}
header.nav .nav-link-btn:hover { opacity: 1; background: rgba(255, 255, 255, 0.1); }

.demo-badge {
    display: inline-block;
    background: #f59e0b;
    color: #1c1400;
    font-weight: 800;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 4px 10px;
    border-radius: 999px;
}

.company-switch {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    padding: 6px 10px;
    font: inherit;
}