/* learn.securemango.com — public learning site (generated by site/build.py). */
:root { --bg: #0b1220; --panel: #111a2e; --line: #1f2a44; --text: #e5e7eb; --muted: #94a3b8; --link: #7dd3fc; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 "Helvetica Neue", Helvetica, Arial, sans-serif; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
main { max-width: 1100px; margin: 0 auto; padding: 0 20px 40px; }
.top { max-width: 1100px; margin: 0 auto; padding: 16px 20px; display: flex; align-items: baseline; gap: 10px; }
.brand { font-weight: 800; font-size: 20px; color: #fff; letter-spacing: 0.5px; }
.by { color: var(--muted); font-size: 14px; }
h1 { font-size: 34px; line-height: 1.2; margin: 8px 0 12px; }
h2 { font-size: 22px; margin: 36px 0 12px; }
.hero { text-align: center; padding: 30px 0 10px; }
.hero h1 { font-size: 46px; margin-bottom: 4px; }
.tag { color: var(--muted); font-size: 19px; margin: 0 0 22px; }
#q { width: 100%; max-width: 620px; padding: 14px 18px; font-size: 18px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); color: var(--text); }
#results { list-style: none; padding: 0; max-width: 620px; margin: 8px auto 0; text-align: left; }
#results li { padding: 8px 14px; border-bottom: 1px solid var(--line); }
#results .none { color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 10px; overflow: hidden; color: var(--text); }
.card img { width: 100%; display: block; aspect-ratio: 16/9; object-fit: cover; }
.card span { display: block; padding: 10px 12px; font-weight: 700; font-size: 15px; line-height: 1.35; }
.chips { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 16px; }
.parts { color: var(--muted); font-size: 13px; }
.chip { display: inline-block; line-height: 1.4; padding: 4px 12px; border-radius: 999px; background: #16213a; border: 1px solid var(--line); font-size: 14px; color: var(--text); }
.chip.area { border-left: 4px solid var(--accent); }
.chip.big { font-size: 17px; padding: 8px 18px; font-weight: 700; }
.areas { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.area { background: var(--panel); border: 1px solid var(--line); border-left: 5px solid var(--accent); border-radius: 10px; padding: 14px 16px; }
.area h3 { display: flex; gap: 12px; align-items: center; margin: 0 0 8px; font-size: 19px; }
.area h3 small { display: block; color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: 1.2px; }
.area .ic { color: var(--accent); width: 36px; height: 36px; flex: 0 0 36px; }
.area .ic svg { width: 36px; height: 36px; }
.area ul, .related { margin: 0; padding-left: 20px; }
.area li, .related li { margin: 4px 0; font-size: 15px; }
.topic h1 { border-bottom: 3px solid var(--accent, var(--line)); padding-bottom: 10px; }
.crumbs { color: var(--muted); font-size: 14px; margin: 10px 0 0; }
.intro { font-size: 19px; }
.video { position: relative; padding-top: 56.25%; margin: 10px 0 20px; border-radius: 12px; overflow: hidden; background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.diagram { margin: 20px 0; }
.diagram img { width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); }
.diagram figcaption { color: var(--muted); font-size: 14px; margin-top: 6px; }
.learn li { margin: 6px 0; }
.area-h { border-left: 5px solid var(--accent); padding-left: 10px; }
footer { max-width: 1100px; margin: 0 auto; padding: 24px 20px 40px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
@media (max-width: 600px) { body { font-size: 16px; } h1 { font-size: 26px; } .hero h1 { font-size: 34px; } .areas { grid-template-columns: 1fr; } }