/* course.html: Skool "about page" layout (content card + sticky side card) in the AIDO brand: site.css colour tokens,
   Plus Jakarta Sans headings, WhatsApp-green action. Loaded after site.css. */
body.sk { background: radial-gradient(ellipse 60% 45% at 75% 0%, #173a73 0%, rgba(6, 19, 47, 0) 70%) fixed, var(--ink); color: var(--text); font-family: var(--body); font-size: 15px; line-height: 1.6; }
.sk h1, .sk h2, .sk h3 { font-family: var(--display); }
.sk a { color: inherit; }

/* top bar */
.sk-top { position: sticky; top: 0; z-index: 20; background: rgba(6, 19, 47, 0.82); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.sk-top-in { max-width: 1075px; margin: 0 auto; padding: 0 16px; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sk-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 16px; min-width: 0; }
.sk-brand img { width: 36px; height: 36px; border-radius: 10px; flex: none; }
.sk-brand span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sk-login { flex: none; display: inline-flex; align-items: center; gap: 8px; height: 40px; padding: 0 16px; border: 1px solid rgba(245, 248, 255, 0.28); border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--text); text-decoration: none; }
.sk-login svg { width: 16px; height: 16px; color: var(--wa); }
.sk-login:hover { background: rgba(245, 248, 255, 0.08); }

/* page grid */
.sk-wrap { max-width: 1075px; margin: 0 auto; padding: 28px 16px 40px; display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 28px; align-items: start; }
.sk-card { background: var(--glass); border: 1px solid var(--line); border-radius: 22px; padding: 26px; }
.sk-card h1 { font-size: 26px; font-weight: 800; line-height: 1.2; letter-spacing: -0.03em; margin: 0; }
.sk-rating { margin: 6px 0 0; font-size: 13px; color: var(--muted); }
.sk-rating b { color: var(--ice); font-weight: 600; }

/* player + thumbnails */
.sk-player { margin-top: 20px; aspect-ratio: 16 / 9; border-radius: 16px; overflow: hidden; background: #000; border: 1px solid var(--line); }
.sk-player video { display: block; width: 100%; height: 100%; object-fit: contain; background: #000; }
.sk-thumbs { margin-top: 10px; display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.sk-thumbs::-webkit-scrollbar { display: none; }
.sk-thumb { position: relative; flex: 0 0 92px; height: 92px; padding: 0; border: 2px solid transparent; border-radius: 12px; overflow: hidden; background: var(--ink-2); cursor: pointer; }
.sk-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.sk-thumb[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 18px -4px rgba(86, 201, 244, 0.7); }
.sk-thumb .sk-tplay { position: absolute; inset: 0; display: grid; place-items: center; }
.sk-thumb .sk-tplay span { width: 30px; height: 30px; border-radius: 50%; background: rgba(6, 19, 47, 0.7); display: grid; place-items: center; }
.sk-thumb .sk-tplay svg { width: 12px; height: 12px; color: var(--text); margin-left: 2px; }
.sk-now { margin: 8px 0 0; font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* meta row */
.sk-meta { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 16px; font-size: 13.5px; font-weight: 500; }
.sk-meta li { display: flex; align-items: center; gap: 8px; }
.sk-meta svg { width: 20px; height: 20px; flex: none; color: var(--ice); }
.sk-meta img { width: 22px; height: 22px; border-radius: 6px; flex: none; }
.sk-meta s { color: var(--muted); font-weight: 400; }
.sk-meta .now { color: var(--ice); font-weight: 700; }

/* JOIN button (WhatsApp) */
.sk-join { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; min-height: 50px; border-radius: 999px; background: var(--wa); color: var(--wa-ink); font-weight: 700; font-size: 15px; text-decoration: none; transition: transform .2s ease; }
.sk-join:hover { transform: translateY(-2px); }
.sk-join svg { width: 18px; height: 18px; }
.sk-mjoin { display: none; margin-top: 20px; }
.sk-promo { margin: 0 0 12px; font-size: 12.5px; color: var(--muted); display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; }
.sk-promo span { padding: 4px 10px; border-radius: 999px; background: rgba(255, 140, 50, 0.16); border: 1px solid rgba(255, 140, 50, 0.45); color: #FFB37A; font-weight: 700; font-size: 12px; }

/* trust: Tencent Cloud + client logos (white tiles keep the logos' own colours legible on navy) */
.sk-trust { margin: 0 0 22px; padding: 18px; border-radius: 16px; border: 1px solid var(--line); background: rgba(6, 19, 47, 0.45); }
.sk-support { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--muted); }
.sk-tile { display: inline-flex; align-items: center; justify-content: center; background: #fff; border-radius: 10px; padding: 6px 12px; }
.sk-tencent { display: block; height: 40px; width: auto; }
.sk-trust-h { margin: 16px 0 10px !important; font-size: 12.5px; color: var(--muted); }
.sk-support-side { margin-top: 14px; justify-content: center; }

/* description: plain lines, like a Skool about text */
.sk-desc { margin-top: 26px; font-size: 15px; line-height: 1.65; color: #DCE3F0; }
.sk-desc p { margin: 0 0 18px; }
.sk-desc p:last-child { margin-bottom: 0; }
.sk-desc .fine { font-size: 12.5px; color: var(--muted); }

/* testimonials, in the place of Skool's reviews */
.sk-reviews { margin: 28px -26px -26px; padding: 28px 26px 26px; border-top: 1px solid var(--line); }
.sk-reviews h2 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; margin: 0; display: flex; align-items: center; gap: 8px; }
.sk-reviews h2 svg { width: 20px; height: 20px; color: var(--ice); }
.sk-reviews .sk-sub { margin: 4px 0 18px; font-size: 13px; color: var(--muted); }
.sk-review { display: flex; gap: 12px; margin-top: 14px; }
.sk-ava { flex: none; width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--blue), var(--indigo)); color: var(--text); font-size: 13px; font-weight: 700; display: grid; place-items: center; }
.sk-rbox { flex: 1; min-width: 0; background: rgba(6, 19, 47, 0.55); border: 1px solid var(--line); border-radius: 16px; padding: 12px 16px; }
.sk-rbox b { font-size: 14.5px; }
.sk-rbox .role { display: block; font-size: 13px; color: var(--muted); }
.sk-rbox p { margin: 6px 0 0; font-size: 14px; }
.sk-rbox .when { display: block; margin-top: 8px; font-size: 12px; color: var(--muted); }
.sk-rbox .when i { font-style: normal; color: var(--ice); }
.sk-watch { margin-top: 16px; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px; border-radius: 999px; border: 1px solid rgba(245, 248, 255, 0.28); background: transparent; color: var(--text); font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; }
.sk-watch:hover { background: rgba(245, 248, 255, 0.08); }
.sk-watch svg { width: 14px; height: 14px; }
.sk-more { display: inline-block; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--ice) !important; text-decoration: none; }
.sk-more:hover { text-decoration: underline; }

/* side card */
.sk-side { position: sticky; top: 88px; }
.sk-sidecard { background: var(--glass); border: 1px solid var(--accent); border-radius: 22px; overflow: hidden; box-shadow: 0 0 0 1px var(--accent), 0 30px 80px -40px rgba(86, 201, 244, 0.6); }
.sk-cover { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.sk-sidebody { padding: 16px 18px 18px; }
.sk-sidebody > b { display: block; font-family: var(--display); font-size: 17px; font-weight: 700; line-height: 1.3; }
.sk-url { display: block; margin-top: 2px; font-family: var(--mono); font-size: 12px; color: var(--muted); }
.sk-sidebody > p { margin: 12px 0 0; font-size: 14px; color: #DCE3F0; }
.sk-stats { margin: 14px 0; padding: 12px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: repeat(2, 1fr); text-align: center; }
.sk-stats div + div { border-left: 1px solid var(--line); }
.sk-stats b { display: block; font-family: var(--display); font-size: 19px; font-weight: 800; }
.sk-stats span { font-size: 12px; color: var(--muted); }
.sk-price { margin: 0 0 14px; display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 8px; }
.sk-price s { color: var(--muted); font-size: 14px; }
.sk-price b { font-family: var(--display); font-size: 28px; font-weight: 800; letter-spacing: -0.03em; color: var(--text); }
.sk-price span { font-size: 12.5px; color: var(--muted); }
.sk-powered { margin: 14px 0 0; text-align: center; font-size: 12.5px; color: var(--muted); }
.sk-powered a { color: var(--ice); font-weight: 600; }

footer.sk-foot { max-width: 1075px; margin: 0 auto; padding: 0 16px 40px; font-size: 12.5px; color: var(--muted); background: none; border: 0; }

@media (max-width: 899px) {
  .sk-wrap { grid-template-columns: minmax(0, 1fr); padding: 0 0 32px; }
  .sk-card { border: 0; border-radius: 0; background: transparent; padding: 20px 16px; }
  .sk-side { display: none; }
  .sk-mjoin { display: block; }
  .sk-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 12px; font-size: 14px; }
  .sk-reviews { margin: 28px -16px -20px; padding: 24px 16px 20px; }
  .sk-thumb { flex-basis: 84px; height: 84px; }
  footer.sk-foot { padding: 16px 16px 32px; }
}