:root{--ink:#0f172a;--muted:#475569;--brand:#14b8a6;--accent:#f59e0b;--line:#e2e8f0;--card:#f8fafc;--bg:#ffffff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
h1,h2,h3{font-family:Georgia,'Times New Roman',serif}
header{padding:22px 16px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
header .wrap{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:10px;justify-items:center}
nav a{color:#334155;text-decoration:none;margin:0 10px;font-weight:700}
nav a:hover{color:#0f172a}
.hero{max-width:1120px;margin:18px auto;border-radius:20px;overflow:hidden;box-shadow:0 14px 36px rgba(2,6,23,.16)}
.hero img{width:100%;display:block}
.main{max-width:1120px;margin:0 auto;padding:0 16px 44px}
.grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:980px){.grid{grid-template-columns:2fr 1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 6px 16px rgba(2,6,23,.06)}
.kicker{display:inline-block;background:#ccfbf1;color:#134e4a;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.3px;margin-bottom:10px}
.lead{color:var(--muted);line-height:1.7}
.article img{width:100%;border-radius:14px;margin:12px 0}
ul{padding-left:18px}
.courses .item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;margin:12px 0}
.price{color:#047857;font-weight:800}
small.muted{color:var(--muted)}
form label{display:block;margin:10px 0 6px}
input,textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font:inherit;background:#fff}
.checkbox{display:flex;gap:12px;align-items:flex-start;margin-top:10px}
button{background:var(--brand);color:#fff;border:none;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer;box-shadow:0 4px 12px rgba(20,184,166,.25)}
button.secondary{background:#fff;color:var(--brand);border:2px solid var(--brand)}
button:hover{filter:brightness(.97)}
footer{border-top:1px solid var(--line);padding:28px 16px;background:#f1f5f9}
footer .wrap{max-width:1120px;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:16px;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(--accent)}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}