/* страница программы курса */
.container--narrow { max-width: 760px; }
.modules { margin: 0; padding-left: 26px; }
.modules li { padding: 5px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.modules li:last-child { border: 0; }
.modules li::marker { color: var(--accent); font-weight: 700; }
.doc { padding: 56px 0 88px; }
.doc h2 { font-size: 22px; margin-top: 32px; }
.doc p, .doc li { color: var(--muted); }
.doc { padding: 48px 0 72px; }
.doc h1 { font-size: clamp(26px, 4vw, 36px); line-height: 1.2; margin: 0 0 8px; }
.doc h2 { font-size: 20px; margin: 32px 0 10px; }
.doc p, .doc li { color: var(--text); font-size: 16px; line-height: 1.6; }
.doc .muted { color: var(--muted); font-size: 14px; }
.doc ul, .doc ol { padding-left: 22px; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; overflow-wrap: anywhere; border: 1px solid var(--line); padding: 8px 10px; }
.doc th { background: var(--surface); width: 38%; }
.doc .tablewrap { overflow-x: auto; }
.doc .back { display: inline-block; margin-top: 32px; }
.docs { display: grid; grid-template-columns: 1.2fr 1fr; gap: 16px; margin-top: 28px; }
.mod { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; margin: 10px 0; padding: 0 18px; }
.mod > summary { cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 0; font-weight: 700; font-size: 17px; list-style: none; }
.mod > summary::-webkit-details-marker { display: none; }
.mod > summary::after { content: "+"; color: var(--accent); font-size: 22px; }
.mod[open] > summary::after { content: "−"; }
.mod > summary small { margin-left: auto; color: var(--muted); font-weight: 500; font-size: 13px; }
.lessons { list-style: none; padding: 0; margin: 0 0 16px; }
.lessons li { border-top: 1px solid var(--line); padding: 12px 0; }
.lessons b { display: block; }
.lessons span { display: block; color: var(--muted); font-size: 15px; margin-top: 2px; }
.lessons em { display: inline-block; margin-top: 6px; font-style: normal; font-size: 13px; color: var(--accent); }
.lessons i { display: block; margin-top: 4px; font-style: normal; font-size: 12px; color: var(--muted); opacity: .75; }
.muted{color:var(--muted)}