@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";@import"https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css";:root{--primary: #1f4b8c;--primary-dark: #173764;--primary-soft: rgba(31, 75, 140, .1);--accent: #0f6b76;--background: #f5f7fa;--background-alt: #e4eaf3;--surface: #ffffff;--surface-muted: #f1f5f9;--border: rgba(23, 55, 100, .12);--border-strong: rgba(23, 55, 100, .2);--text: #1f2937;--text-muted: #5f6c80;--shadow-soft: 0 24px 45px -30px rgba(15, 31, 55, .3);--shadow-elevated: 0 32px 60px -36px rgba(31, 75, 140, .32);--radius-lg: 24px;--radius-md: 18px;--radius-sm: 12px;--transition-base: .2s ease}[data-theme=dark]{--primary: #7ea6da;--primary-dark: #4a6f9d;--primary-soft: rgba(126, 166, 218, .18);--accent: #4aa3b1;--background: #0f1724;--background-alt: #162233;--surface: #192434;--surface-muted: #1e2d3f;--border: rgba(134, 162, 198, .18);--border-strong: rgba(134, 162, 198, .26);--text: #e6edf6;--text-muted: 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#ffffff40}.badge{background:var(--primary)}.category{background:var(--accent)}.course-card__body{display:flex;flex-direction:column;gap:.75rem;padding:1.6rem}.course-card__title{font-size:1.1rem;font-weight:600;color:var(--text);margin:0;line-height:1.4}.course-card__instructor{font-size:.9rem;color:var(--text-muted);margin:0}.course-card__footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:1rem;border-top:1px solid var(--border);font-size:.85rem;color:var(--text-muted)}.course-card__rating{display:flex;align-items:center;gap:.5rem;font-weight:600;color:#f59f00}.course-card__stars{letter-spacing:.1em;font-size:.8rem}.time-ago{font-weight:500;color:var(--text-muted)}.breadcrumb-nav{display:flex;align-items:center;gap:.75rem;margin:0 0 2rem;padding:1rem 1.5rem;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);box-shadow:0 15px 45px -35px 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var(--primary-soft);border-top-color:var(--primary);animation:spin .7s linear infinite}.container-404{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-soft);padding:3rem;max-width:420px;display:grid;gap:1.5rem;justify-items:center;text-align:center}.container-404 h1{font-size:3rem;margin:0;color:var(--primary)}.container-404 p{margin:0;color:var(--text-muted)}.home-link-404{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.6rem;border-radius:999px;background:var(--primary);color:#fff;font-weight:600;transition:var(--transition-base)}.home-link-404:hover,.home-link-404:focus-visible{transform:translateY(-1px);box-shadow:0 16px 35px -25px color-mix(in srgb,var(--primary) 55%,transparent)}.illustration{width:72px;height:72px;color:var(--primary)}.site-footer{margin-top:auto;padding:2rem 1.5rem 2.5rem;background:color-mix(in srgb,var(--surface) 95%,transparent);border-top:1px solid var(--border)}[data-theme=dark] .site-footer{background:#152030d9}.site-footer__inner{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;gap:1rem;color:var(--text-muted);font-size:.9rem}.site-footer__links{display:flex;gap:1rem}.site-footer__links a{color:inherit;font-weight:500;transition:var(--transition-base)}.site-footer__links a:hover,.site-footer__links a:focus-visible{color:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 960px){.header-content{padding:1rem 1.5rem}.header-nav{display:none}.page-layout{padding:2.5rem 1.5rem 3.5rem}.hero{padding:2.25rem}.course-detail-page{padding:0 1.5rem 3.5rem;margin:2.5rem auto 3.5rem}#course-detail h2{padding:2.25rem 2.25rem 1.1rem}#course-detail>p,.course-info,.channel-section{padding-left:2.25rem;padding-right:2.25rem}}@media (max-width: 640px){.page-layout{padding:2rem 1.25rem 3rem}.hero{padding:1.85rem}.course-card__body{padding:1.4rem}.site-footer__inner{flex-direction:column;text-align:center}.course-detail-page{padding:0 1.25rem 2.5rem;margin:2rem auto 3rem}#course-detail h2{padding:2rem 1.75rem 1rem}#course-detail>p,.course-info,.channel-section{padding-left:1.75rem;padding-right:1.75rem}}