/* SkillAtlas affiliate banners: 300x300 square, 728x90 leaderboard, 300x600 sidebar */
.bn-wrap{display:flex;justify-content:center;margin:28px auto;padding:0 20px;max-width:var(--max,1200px)}
.bn{position:relative;overflow:hidden;isolation:isolate;color:#fff;font-family:var(--font,system-ui,sans-serif);max-width:100%;border-radius:16px;
 background:linear-gradient(135deg,#1E1B4B 0%,#312E81 60%,#4338CA 100%);box-shadow:0 8px 24px rgba(67,56,202,.18)}
.bn::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.32;background:radial-gradient(circle at 92% 0%,var(--bc) 0,transparent 58%)}
.bn-logo{width:56px;height:56px;flex:none;border-radius:14px;display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:-.02em;background:var(--bc);color:var(--bt);box-shadow:0 4px 12px rgba(0,0,0,.25)}
.bn-logo img{max-width:80%;max-height:80%}
.bn-tag{font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#DDD6FE}
.bn-h{margin:0;font-weight:800;line-height:1.2;color:#fff}
.bn-p{margin:0;line-height:1.4;color:#E0E7FF}
.bn-disc{margin:0;font-size:10.5px;line-height:1.35;color:#DDD6FE}
.bn-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:999px;background:#fff;color:#3730A3;font-weight:800;font-size:14px;text-decoration:none;white-space:nowrap;box-shadow:0 4px 14px rgba(0,0,0,.28);transition:transform .2s var(--ease,ease),box-shadow .2s,background .2s,color .2s}
.bn-cta span{transition:transform .2s var(--ease,ease)}
.bn-cta:hover{transform:translateY(-2px);background:var(--bc);color:var(--bt);box-shadow:0 10px 24px rgba(0,0,0,.4)}
.bn-cta:hover span{transform:translateX(4px)}
.bn a:focus-visible{outline:3px solid #fff;outline-offset:3px}
/* leaderboard 728x90 */
.bn-lb{width:728px;height:90px;display:flex;align-items:center;gap:14px;padding:0 16px}
.bn-lb .bn-txt{flex:1;min-width:0;display:grid;gap:2px}
.bn-lb .bn-h{font-size:16px}.bn-lb .bn-p{font-size:12px}.bn-lb .bn-disc{font-size:10px}
.bn-lb .bn-logo{width:52px;height:52px}
/* square 300x300 */
.bn-sq{width:300px;height:300px;padding:20px;display:flex;flex-direction:column;gap:10px}
.bn-sq .bn-top{display:flex;align-items:center;gap:12px}.bn-sq .bn-h{font-size:21px}.bn-sq .bn-p{font-size:13px;flex:1}
.bn-sq .bn-cta{width:100%}
/* sidebar 300x600 */
.bn-sd{width:300px;height:600px;padding:22px;display:flex;flex-direction:column;gap:12px}
.bn-sd .bn-top{display:flex;align-items:center;gap:12px}.bn-sd .bn-h{font-size:24px}.bn-sd .bn-p{font-size:14px}
.bn-sd .bn-cta{width:100%}
.bn-cmp{margin-top:6px;padding-top:14px;border-top:1px solid rgba(255,255,255,.22);display:grid;gap:8px}
.bn-cmp h4{margin:0;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:#DDD6FE}
.bn-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;background:rgba(255,255,255,.1);color:#fff;text-decoration:none;font-weight:700;font-size:14px;transition:background .2s,transform .2s}
.bn-row:hover{background:rgba(255,255,255,.22);transform:translateX(3px)}
.bn-row .bn-logo{width:32px;height:32px;font-size:11px;border-radius:9px}.bn-row em{margin-left:auto;font-style:normal;font-size:12px;color:#E0E7FF}
.bn-all{font-size:13px;font-weight:700;color:#fff;text-decoration:underline;text-underline-offset:3px}
.bn-sd .bn-disc{margin-top:auto}
/* placement helpers */
.bn-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.bn-main{min-width:0}.bn-main>.bn-wrap{padding:0;margin:18px 0 22px;justify-content:flex-start}
.bn-aside{position:sticky;top:96px}
.bn-cell{grid-column:1/-1;display:flex;justify-content:center;padding:6px 0}
@media(max-width:1000px){.bn-layout{grid-template-columns:1fr}.bn-aside{position:static;display:flex;justify-content:center}}
@media(max-width:760px){
 .bn-lb{height:auto;flex-wrap:wrap;padding:14px}.bn-lb .bn-txt{flex:1 1 60%}.bn-lb .bn-cta{width:100%}
 .bn-main>.bn-wrap{justify-content:center}}
@media(prefers-reduced-motion:reduce){.bn-cta,.bn-cta span,.bn-row{transition:none}}