/* AI University — pagine pubbliche (supporto, privacy, termini).
   Nessuna dipendenza esterna: niente font remoti, niente CDN, niente tracker.
   È una scelta, non una pigrizia: una privacy policy che carica risorse da terzi
   è una contraddizione in termini. */

:root {
    --bg: #ffffff;
    --bg-soft: #f7f6fb;
    --text: #1d1c22;
    --text-soft: #5b5966;
    --accent: #5645d4;
    --accent-soft: #ede9ff;
    --border: #e5e2ee;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #131218;
        --bg-soft: #1c1a24;
        --text: #ece9f4;
        --text-soft: #a3a0ae;
        --accent: #9b8cff;
        --accent-soft: #241f3d;
        --border: #2c2936;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-text-size-adjust: 100%;
}

.wrap {
    max-width: 720px;
    margin: 0 auto;
    padding: 40px 22px 96px;
}

header.site {
    border-bottom: 1px solid var(--border);
    background: var(--bg-soft);
}

header.site .wrap {
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.mark {
    width: 40px;
    height: 40px;
    border-radius: 11px;
    background: linear-gradient(135deg, #4a35c7, #8b5cf6);
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 20px;
    flex: none;
}

header.site strong { font-size: 17px; }

nav.site { margin-left: auto; display: flex; gap: 18px; flex-wrap: wrap; }
nav.site a { color: var(--text-soft); text-decoration: none; font-size: 15px; }
nav.site a:hover, nav.site a[aria-current] { color: var(--accent); }

h1 { font-size: 34px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 18px; margin: 28px 0 6px; }

.lede { color: var(--text-soft); font-size: 19px; margin: 0 0 28px; }
.meta { color: var(--text-soft); font-size: 15px; margin: 0 0 32px; }

a { color: var(--accent); }

ul { padding-left: 22px; }
li { margin: 6px 0; }

table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
    font-size: 15.5px;
    display: block;
    overflow-x: auto;
}
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; }

.card {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 20px;
    margin: 22px 0;
}

.card.accent { background: var(--accent-soft); border-color: transparent; }

.langs { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 34px; padding: 0; list-style: none; }
.langs a {
    display: inline-block;
    padding: 6px 13px;
    border: 1px solid var(--border);
    border-radius: 999px;
    text-decoration: none;
    font-size: 14px;
    color: var(--text-soft);
}
.langs a:hover { border-color: var(--accent); color: var(--accent); }

footer.site {
    border-top: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 14.5px;
}
footer.site .wrap { padding: 26px 22px; }

code {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1px 6px;
    font-size: 0.9em;
}