/* Courses page: C, C++, Flutter & Dart syllabi (loaded after studio.css + post.css) */
.course-jump { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.course-jump a {
    padding: 10px 18px; border: 1px solid rgba(255, 255, 255, .28); border-radius: 999px;
    color: #fff; text-decoration: none; font: 600 14px/1 var(--f-display); transition: background .2s, border-color .2s, color .2s;
}
.course-jump a:hover { background: #fff; border-color: #fff; color: var(--ink); }

.course-detail { padding: clamp(64px, 8vw, 120px) 0; border-bottom: 1px solid var(--line); scroll-margin-top: 72px; }
.course-detail:nth-of-type(even) { background: var(--paper-2); }
.course-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.course-side { position: sticky; top: 96px; }
.course-side h2 { margin: 12px 0 20px; font-size: clamp(40px, 5vw, 72px); }
.course-side p { margin: 0 0 28px; color: var(--ink-2); line-height: 1.7; }
.course-facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 28px; margin: 0 0 32px; padding: 20px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.course-facts dt { font: 500 12px/1 var(--f-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 8px; }
.course-facts dd { margin: 0; font: 600 18px/1.2 var(--f-display); }

.syllabus { border-top: 1px solid var(--ink); }
.syl-part { border-bottom: 1px solid var(--line); }
.syl-part summary { display: grid; grid-template-columns: 48px 1fr 20px; align-items: center; gap: 12px; padding: 22px 0; cursor: pointer; list-style: none; }
.syl-part summary::-webkit-details-marker { display: none; }
.syl-part summary .n { font: 500 13px/1 var(--f-mono); color: var(--accent); }
.syl-part summary .t { font: 600 clamp(19px, 1.8vw, 24px)/1.25 var(--f-display); letter-spacing: -.01em; }
.syl-part summary .icon { width: 20px; height: 20px; transition: transform .3s var(--ease); }
.syl-part[open] summary .icon { transform: rotate(45deg); color: var(--accent); }
.syl-part summary:hover .t { color: var(--accent); }
.syl-mods { list-style: none; margin: 0; padding: 0 0 24px 60px; display: grid; gap: 18px; }
.syl-mods h3 { margin: 0 0 6px; font: 600 16px/1.35 var(--f-display); }
.syl-mods ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.syl-mods ul li { position: relative; padding-left: 18px; color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.syl-mods ul li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 1px; background: var(--accent); }

.course-included { background: var(--ink); color: #fff; padding: clamp(64px, 8vw, 112px) 0; }
.course-included .eyebrow { color: var(--muted-inv); }
.course-included ul { list-style: none; margin: 24px 0 40px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255, 255, 255, .2); }
.course-included li { padding: 22px 16px 22px 0; border-bottom: 1px solid rgba(255, 255, 255, .2); font: 600 clamp(17px, 1.6vw, 22px)/1.3 var(--f-display); }

@media (max-width: 900px) {
    .course-grid { grid-template-columns: 1fr; }
    .course-side { position: static; }
    .course-included ul { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .course-facts { grid-template-columns: 1fr 1fr; gap: 18px; }
    .syl-mods { padding-left: 0; }
    .syl-part summary { grid-template-columns: 36px 1fr 20px; }
    .course-included ul { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { .syl-part summary .icon { transition: none; } }