:root{--page-main-padding: 1rem 1rem 1.5rem}.lectures-container[data-astro-cid-rcu2rrwc]{max-width:1200px;margin:0 auto;padding:1rem}.page-header[data-astro-cid-rcu2rrwc]{text-align:center;margin-bottom:1rem}.page-header[data-astro-cid-rcu2rrwc] h1[data-astro-cid-rcu2rrwc]{font-size:2.5rem;font-weight:700;background:var(--glass-gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0 0 .25rem;text-shadow:0 0 30px rgba(139,92,246,.3)}.page-header[data-astro-cid-rcu2rrwc] p[data-astro-cid-rcu2rrwc]{font-size:1.1rem;color:var(--glass-text-muted);opacity:.8;margin:0}.lectures-grid[data-astro-cid-rcu2rrwc]{display:grid;grid-template-columns:1fr;gap:1rem;max-width:800px;margin:0 auto}.lecturenbtn[data-astro-cid-rcu2rrwc]{display:flex!important;align-items:center!important;justify-content:space-between!important;padding:1rem 1.25rem!important;background:var(--glass-bg)!important;backdrop-filter:var(--glass-backdrop-filter)!important;-webkit-backdrop-filter:var(--glass-backdrop-filter)!important;border:var(--glass-border)!important;border-radius:var(--glass-border-radius)!important;box-shadow:var(--glass-shadow)!important;text-decoration:none!important;color:var(--glass-text)!important;transition:all .3s cubic-bezier(.4,0,.2,1)!important;position:relative!important;overflow:hidden!important;box-sizing:border-box!important;min-height:56px!important;width:100%!important;font-size:1.25rem!important;font-weight:600!important;cursor:pointer!important}.lecturenbtn[data-astro-cid-rcu2rrwc]:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--glass-shimmer);transition:left .5s ease;z-index:0}.lecturenbtn[data-astro-cid-rcu2rrwc]:after{content:"";width:20px;height:20px;flex:0 0 20px}.btn-title[data-astro-cid-rcu2rrwc]{font-size:1.25rem;font-weight:600;line-height:1.25;margin:0;color:var(--glass-text);text-align:center;position:relative;z-index:1}.lecturenbtn[data-astro-cid-rcu2rrwc]:hover{transform:translateY(-2px);border-color:var(--glass-accent);box-shadow:var(--glass-shadow-hover)}.lecturenbtn[data-astro-cid-rcu2rrwc]:hover:before{left:100%}.lecturenbtn[data-astro-cid-rcu2rrwc]:hover .btn-title[data-astro-cid-rcu2rrwc]{color:var(--glass-accent)}.lecturenbtn[data-astro-cid-rcu2rrwc]:active{transform:translateY(0)}.section-wrapper[data-astro-cid-rcu2rrwc]{margin:.5rem 0}.section-button[data-astro-cid-rcu2rrwc]{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;padding:1rem 1.25rem;background:var(--glass-bg);backdrop-filter:var(--glass-backdrop-filter);-webkit-backdrop-filter:var(--glass-backdrop-filter);border:var(--glass-border);border-radius:var(--glass-border-radius);box-shadow:var(--glass-shadow);color:var(--glass-text);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:1.25rem;font-weight:600;overflow:hidden;min-height:56px}.section-button[data-astro-cid-rcu2rrwc]:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--glass-shimmer);transition:left .5s ease;z-index:0}.section-button[data-astro-cid-rcu2rrwc]:hover:before{left:100%}.section-button[data-astro-cid-rcu2rrwc]>[data-astro-cid-rcu2rrwc]{position:relative;z-index:1}.section-button[data-astro-cid-rcu2rrwc]:hover{transform:translateY(-2px);border-color:var(--glass-accent);box-shadow:var(--glass-shadow-hover)}.section-wrapper[data-astro-cid-rcu2rrwc].active .section-button[data-astro-cid-rcu2rrwc]{border-bottom-left-radius:0;border-bottom-right-radius:0;border-bottom:1px solid var(--glass-border-color)}.section-button[data-astro-cid-rcu2rrwc] .text[data-astro-cid-rcu2rrwc]{font-size:1.25rem;font-weight:600;color:var(--glass-text)}.chevron[data-astro-cid-rcu2rrwc]{transition:transform .3s cubic-bezier(.4,0,.2,1);color:var(--glass-accent);filter:drop-shadow(0 0 5px var(--glass-accent-glow));transform:rotate(-90deg)}.section-wrapper[data-astro-cid-rcu2rrwc].active .chevron[data-astro-cid-rcu2rrwc]{transform:rotate(0)}.section-content[data-astro-cid-rcu2rrwc]{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1);background:var(--glass-bg-secondary);backdrop-filter:var(--glass-backdrop-filter);-webkit-backdrop-filter:var(--glass-backdrop-filter);border:var(--glass-border);border-top:none;border-bottom-left-radius:var(--glass-border-radius);border-bottom-right-radius:var(--glass-border-radius)}.section-wrapper[data-astro-cid-rcu2rrwc].active .section-content[data-astro-cid-rcu2rrwc]{max-height:500px}.button-list[data-astro-cid-rcu2rrwc]{padding:1rem;display:flex;flex-direction:column;gap:.75rem}.btn[data-astro-cid-rcu2rrwc]{display:block;padding:.875rem 1rem;background:var(--glass-bg-tertiary);backdrop-filter:var(--glass-backdrop-filter-light);-webkit-backdrop-filter:var(--glass-backdrop-filter-light);border:var(--glass-border-light);border-radius:var(--glass-border-radius-small);color:var(--glass-text);text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);font-size:.95rem;font-weight:500;position:relative;overflow:hidden;min-height:48px}.btn[data-astro-cid-rcu2rrwc]:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--glass-shimmer-subtle);transition:left .4s ease;z-index:0}.btn[data-astro-cid-rcu2rrwc]:hover:before{left:100%}.btn[data-astro-cid-rcu2rrwc]>[data-astro-cid-rcu2rrwc]{position:relative;z-index:1}.btn[data-astro-cid-rcu2rrwc]:hover{background:var(--glass-bg-hover);border-color:var(--glass-accent);transform:translate(4px);box-shadow:var(--glass-shadow-button)}@media (max-width: 768px){.lectures-container[data-astro-cid-rcu2rrwc]{padding:.75rem}.page-header[data-astro-cid-rcu2rrwc]{margin-bottom:.75rem}.page-header[data-astro-cid-rcu2rrwc] h1[data-astro-cid-rcu2rrwc]{font-size:2rem;margin-bottom:.125rem}.page-header[data-astro-cid-rcu2rrwc] p[data-astro-cid-rcu2rrwc]{font-size:1rem}.lectures-grid[data-astro-cid-rcu2rrwc]{gap:.75rem}.lecturenbtn[data-astro-cid-rcu2rrwc]{padding:.875rem 1rem!important;min-height:52px!important;font-size:1.1rem!important;font-weight:500!important}.btn-title[data-astro-cid-rcu2rrwc]{font-size:1.1rem}.section-button[data-astro-cid-rcu2rrwc]{padding:.875rem 1rem!important;min-height:52px!important;font-size:1.1rem!important}.button-list[data-astro-cid-rcu2rrwc]{gap:.5rem}.button-list[data-astro-cid-rcu2rrwc] .btn[data-astro-cid-rcu2rrwc]{padding:.75rem .875rem!important;min-height:44px!important;font-size:.95rem!important}}@media (max-width: 480px){.lectures-container[data-astro-cid-rcu2rrwc]{padding:.5rem}.page-header[data-astro-cid-rcu2rrwc]{margin-bottom:.5rem}.page-header[data-astro-cid-rcu2rrwc] h1[data-astro-cid-rcu2rrwc]{font-size:1.75rem}.lectures-grid[data-astro-cid-rcu2rrwc]{gap:.5rem}.lecturenbtn[data-astro-cid-rcu2rrwc]{padding:.75rem .875rem!important;min-height:48px!important}.btn-title[data-astro-cid-rcu2rrwc]{font-size:1rem}.section-button[data-astro-cid-rcu2rrwc]{padding:.75rem .875rem!important;min-height:48px!important;font-size:1rem!important}.button-list[data-astro-cid-rcu2rrwc] .btn[data-astro-cid-rcu2rrwc]{padding:.625rem .75rem!important;min-height:40px!important;font-size:.9rem!important}}