:root{--ink:#0b1220;--muted:#475569;--brand:#10b981;--accent:#2563eb;--gold:#f59e0b;--line:#e5e7eb;--card:#ffffff;--bg:#f8fafc;--stripe:#fcfcff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Calibri,'Segoe UI',Arial,sans-serif}
h1,h2,h3{font-family:'Gill Sans','Trebuchet MS',Arial,sans-serif}
.topbar{padding:8px 16px;border-bottom:1px solid var(--line);background:#fff}
.topbar .wrap{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:12px}
.logo{width:28px;height:28px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--accent));box-shadow:0 2px 8px rgba(2,6,23,.15)}
.brand{font-weight:900;letter-spacing:.3px}
.navbar{border-bottom:1px solid var(--line);background:var(--stripe)}
.navbar .wrap{max-width:1180px;margin:0 auto;display:flex;justify-content:center;gap:18px;padding:10px 16px}
.navbar a{color:#0f172a;text-decoration:none;padding:8px 10px;border-radius:10px;font-weight:800}
.navbar a:hover{background:#eef2ff}
.hero{max-width:1180px;margin:16px auto;border-radius:16px;overflow:hidden;box-shadow:0 10px 28px rgba(2,6,23,.12);display:grid;grid-template-columns:1.2fr .8fr}
@media(max-width:980px){.hero{grid-template-columns:1fr}}
.hero .left{padding:22px;background:#fff}
.hero .left h1{margin:0 0 8px}
.hero .actions{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap}
.pill{display:inline-block;padding:10px 14px;border-radius:999px;font-weight:800;text-decoration:none;border:2px solid var(--brand);color:var(--brand);background:#fff}
.square{display:inline-block;padding:10px 14px;border-radius:10px;font-weight:800;text-decoration:none;background:var(--brand);color:#fff}
.hero .right{background:#e6fffb;display:flex;align-items:center;justify-content:center}
.hero .right img{max-width:100%;height:auto}
.main{max-width:1180px;margin:0 auto;padding:0 16px 40px;display:grid;grid-template-columns:2fr 1fr;gap:22px}
@media(max-width:980px){.main{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 6px 16px rgba(2,6,23,.06)}
.kicker{display:inline-block;background:#dcfce7;color:#065f46;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.3px;margin-bottom:10px}
.lead{color:var(--muted);line-height:1.8}
.article img{width:100%;border-radius:12px;margin:12px 0}
ul{padding-left:18px}
.courses{background:linear-gradient(180deg,var(--stripe),#fff)}
.courses .grid{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:1000px){.courses .grid{grid-template-columns:repeat(3,1fr)}}
.course{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:14px;position:relative}
.badge{position:absolute;top:10px;right:10px;background:#fff7ed;color:#9a3412;border:1px solid #fed7aa;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:800}
.price{color:#065f46;font-weight:800}
small.muted{color:var(--muted)}
.testis{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:800px){.testis{grid-template-columns:1fr}}
form label{display:block;margin:10px 0 6px}
input,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
.checkbox{display:flex;gap:12px;align-items:flex-start;margin-top:10px}
button{background:var(--accent);color:#fff;border:none;border-radius:10px;padding:12px 16px;font-weight:800;cursor:pointer;box-shadow:0 4px 12px rgba(37,99,235,.25)}
button:hover{filter:brightness(.97)}
footer{border-top:1px solid var(--line);padding:26px 16px;background:#fff}
footer .wrap{max-width:1180px;margin:0 auto;display:flex;flex-direction:column;gap:6px}
.modal{position:fixed;inset:0;background:rgba(2,6,23,.55);display:none;align-items:center;justify-content:center;padding:20px}
.modal .box{background:#fff;border-radius:14px;max-width:420px;width:100%;padding:22px;box-shadow:0 18px 60px rgba(2,6,23,.3);text-align:center}
.close{margin-top:14px;background:var(--gold);color:#111827}