:root{--brand:#ec6726;--text:#292d36;--muted:#bdbec1;--card:#fff;--stroke:#e5e7eb;--shadow:0 8px 24px rgba(2,6,23,.06);--radius:12px;--footer-bg:#292d36;--footer-text:#f9fafc}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:#f9fafc;color:var(--text);font-family:Filson Pro,sans-serif;line-height:1.55}img{display:block;max-width:100%}main{margin:0 16px}.container{margin:0 auto;width:min(1120px,92%)}.btn{background:var(--brand);border-radius:10px;color:#fff;display:inline-block;font-weight:600;padding:10px 14px;text-decoration:none}.muted{color:var(--muted)}.topbar{background:#fff}.topbar .container{align-items:center;display:flex;justify-content:space-between;padding:25px 0}.nav a{color:var(--brand);margin-left:20px;opacity:.95;text-decoration:none}.nav a:hover{opacity:1}.nav .active,.nav a:hover{font-weight:700}.hamburger{background:transparent;border:0;color:var(--brand);cursor:pointer;display:none;font-size:22px}.logo img{height:10px;width:auto}.main{padding:24px 0}.layout{display:grid;gap:20px;grid-template-columns:280px 1fr}.sidebar-title{font-size:18px;margin:0 0 12px}.track-label{background:#ffe7da;border-radius:999px;color:#8a2e00;display:inline-block;font-weight:700;margin-bottom:8px;padding:6px 10px}.acc-toggle{background:#fff;border:1px solid var(--stroke);border-radius:10px;color:#0b1220;cursor:pointer;font-weight:700;margin:10px 0 8px;padding:10px 12px;text-align:left;transition:background .2s,border-color .2s;width:100%}.acc-toggle.active{background:var(--brand);border-color:var(--brand);color:#fff}.acc-panel{margin-bottom:8px;max-height:0;overflow:hidden;transition:max-height .25s ease}.lesson-btn{background:#fff;border:1px solid var(--stroke);border-radius:10px;cursor:pointer;display:block;margin:6px 0;padding:8px 10px;text-align:left;width:100%}.lesson-btn:hover{border-color:#cbd5e1}.video-frame .ratio{border-radius:12px;overflow:hidden;padding-top:56.25%;position:relative}.video-frame iframe{border:0;height:100%;inset:0;position:absolute;width:100%}.expert{margin:18px 0}.expert-info{align-items:center;display:flex;gap:12px;margin-top:8px}.expert-photo{border-radius:50%;height:48px;object-fit:cover;width:48px}.expert-name{font-weight:700;margin:0}.expert-role{color:var(--muted);margin:0}.details h4{margin:0 0 6px}.footer{background:var(--footer-bg);color:var(--footer-text);margin-top:50px;padding:100px 0}.footer-grid{display:grid;gap:24px;grid-template-columns:1.2fr repeat(4,1fr)}.footer a{color:var(--footer-text);opacity:.9;text-decoration:none}.footer a:hover{opacity:1;text-decoration:bold}.footer .copyright{color:var(--footer-muted);margin-top:30px}.footer h5{margin:0 0 8px}@media(max-width:1120px){.layout{grid-template-columns:1fr}.hamburger{display:inline-block}.nav{display:none}.nav.open{background:var(--brand);border-radius:10px;display:block;padding:10px 14px;position:absolute;right:4%;top:56px}.nav.open a{display:block;margin:10px 0}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:664px){.hero-grid{grid-template-columns:1fr}.nav{display:none}.hamburger{display:inline-block}.nav.open{background:var(--bg);border-radius:10px;display:block;padding:10px 14px;position:absolute;right:4%;top:56px}.nav.open a{display:block;margin:10px 0}.events .cal-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:540px){.calendar td,.calendar th{font-size:14px}.footer-grid{grid-template-columns:1fr;padding:0 16px}}