:root {
    --brand: #2e2e2e;
    --brand-ink: #2d73ff;
    --brand-accent: #ff5e5e;
    --soft: #C7C7C7;
    --ink: #000000;
    --muted: #5a6b7b;
    --card: #ECECEC;
    --line: #A1A1A1;
    --focus: #113b7a;
    --radius: 16px;
    --shadow: 0  10px 30px rgba(0, 0, 0, .06);
    --bg: #2e2e2e;
}

/* Optional dark mode (toggleable) */
html[data-theme="dark"] {
    --soft: #0f1720;
    --card: #0b1220;
    --ink: #e8eef5;
    --muted: #9db0c6;
    --line: #1f3047;
    --shadow: 0 10px 30px rgba(0,0,0,.45);
}

/* Base */
* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    color: var(--ink);
    background: linear-gradient(180deg, var(--soft), var(--bg));
}

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

    a:hover {
        text-decoration: underline;
    }

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
    border-radius: 6px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
    padding: 8px 12px;
    background: #fff;
    border: 2px solid var(--brand);
}

    .skip-link:focus {
        left: 12px;
        top: 12px;
        z-index: 10;
    }

/* Top site header (matches EduCade style) */
header.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 3px solid var(--brand);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    letter-spacing: .2px;
}

    .brand .logo {
        height: 45px;
    }

    .brand .name {
        font-size: 1.1rem;
    }

    .brand small {
        display: block;
        font-weight: 600;
        color: var(--muted);
        font-size: .7rem;
        line-height: 1;
    }

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn {
    appearance: none;
    border: 2px solid var(--brand);
    background: #fff;
    color: var(--brand-ink);
    padding: 6px 10px;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow);
}

    .btn:hover {
        background: var(--card);
    }

    .btn.primary {
        background: var(--brand);
        color: #fff;
        border-color: var(--brand);
    }

        .btn.primary:hover {
            filter: brightness(0.95);
        }

/* Policy frame (blue border + soft background) */
.frame {
    max-width: 900px;
    margin: 24px auto;
    padding: 0 16px;
}

.policy-box {
    background: var(--card);
    border: 3px solid var(--brand);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: clip;
}

/* HUD-style title bar inside the frame */
.policy-hud {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
    background: linear-gradient(180deg, #fff, var(--soft));
    padding: 14px 16px;
    border-bottom: 2px solid var(--line);
}

.hud-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.hud-title {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: .2px;
}

.hud-right {
    display: flex;
    gap: 8px;
    align-items: center;
    color: var(--muted);
    font-size: .9rem;
}

/* Content layout: sticky TOC on wide screens */
.policy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
}

@media (min-width: 980px) {
    .policy-content {
        grid-template-columns: 260px 1fr;
        gap: 0;
    }
}

aside.toc {
    border-right: 2px solid var(--line);
    padding: 16px;
    background: #ffffff26;
}

.toc h2 {
    font-size: .95rem;
    margin: 0 0 8px 0;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .08em;
}

.toc nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc nav li {
    margin: 6px 0;
}

.toc nav a {
    text-decoration: none;
}

    .toc nav a:hover {
        text-decoration: underline;
    }

article.policy {
    padding: 20px 20px 28px 20px;
    min-height: 50vh;
}

    article.policy h1 {
        font-size: 1.6rem;
        margin: 0 0 6px 0;
    }

.meta {
    color: var(--muted);
    font-size: .95rem;
    margin-bottom: 14px;
}

article.policy h2 {
    font-size: 1.25rem;
    margin-top: 22px;
    border-top: 1px dashed var(--line);
    padding-top: 16px;
}

article.policy h3 {
    font-size: 1.05rem;
    margin-top: 18px;
}

article.policy p {
    line-height: 1.65;
    margin: 10px 0;
}

article.policy ul, article.policy ol {
    margin: 8px 0 12px 22px;
}

/* Bottom bar */
.policy-footerbar {
    display: flex;
    gap: 10px;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 12px 16px;
    border-top: 2px solid var(--line);
    background: linear-gradient(180deg, var(--soft), #fff);
}

    .policy-footerbar .links {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

        .policy-footerbar .links a {
            font-weight: 600;
        }

/* Site footer (optional) */
footer.site-footer {
    text-align: center;
    color: black;
    font-size: .9rem;
    padding: 18px 16px 40px;
}

/* Anchor offset for in-page links */
:target {
    scroll-margin-top: 84px;
}

/* Print styles */
@media print {
    header.site-header, .policy-footerbar, .header-actions, .toc {
        display: none !important;
    }

    body {
        background: #fff !important;
    }

    .frame {
        margin: 0;
        padding: 0;
        max-width: 100%;
    }

    .policy-box {
        border: none;
        box-shadow: none;
    }

    article.policy {
        padding: 0;
    }
}