@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid;--tw-font-weight:initial}}}:root{--font-sans:"Vazirmatn Variable", "Vazirmatn", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono Variable", "JetBrains Mono", "Courier New", monospace}html[lang=en]{--font-sans:"Plus Jakarta Sans Variable", "Plus Jakarta Sans", "Vazirmatn Variable", "Vazirmatn", system-ui, -apple-system, sans-serif}html[lang=en] h1,html[lang=en] h2,html[lang=en] .display,html[lang=en] [class*=text-5xl],html[lang=en] [class*=text-6xl],html[lang=en] [class*=text-7xl]{letter-spacing:-.02em}html[lang=en] .font-mono:not(.tabular-nums){font-family:var(--font-sans)}.course-title-en{letter-spacing:-.01em;font-family:Plus Jakarta Sans Variable,Plus Jakarta Sans,Vazirmatn Variable,Vazirmatn,system-ui,-apple-system,sans-serif}@layer base{:root{--background:218 60% 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48%;--radius:.875rem;--surface-1:0 0% 100%;--surface-2:210 40% 96%;--surface-3:210 38% 93%;--cyan:199 95% 48%;--tier-silver:199 95% 48%;--tier-gold:32 96% 50%;--tier-diamond:160 84% 39%;--sale-red:0 72% 45%;--snapp:236 80% 52%;--tier-silver-tint:199 100% 94%;--tier-gold-tint:43 100% 91%;--tier-diamond-tint:156 76% 90%;--sidebar-background:0 0% 100%;--sidebar-foreground:222 47% 11%;--sidebar-primary:199 97% 34%;--sidebar-primary-foreground:0 0% 100%;--sidebar-accent:210 40% 94%;--sidebar-accent-foreground:222 47% 15%;--sidebar-border:214 32% 82%;--sidebar-ring:199 97% 34%;--success-fg:#047857;--success-bg:#0596691a;--success-border:#05966966;--warning-fg:#92400e;--warning-bg:#b453091a;--warning-border:#b4530966;--danger-fg:#b91c1c;--danger-bg:#dc26261a;--danger-border:#dc262666;--info-fg:#075985;--info-bg:#0891b21a;--info-border:#0891b266}nav[data-atop=true] .header-bar-link{color:#ffffffeb}nav[data-atop=true] .header-bar-link svg{color:#ffffffeb!important}nav[data-atop=true] 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#0f172a12,0 6px 20px #0f172a17}html[data-theme=light] .card-coursera:hover{border-color:#0284c761;transform:translateY(-4px);box-shadow:0 2px 4px #0f172a14,0 16px 36px #0f172a29}html[data-theme=light] .ticker-track{color:#1b294b}html[data-theme=light] .reveal{opacity:1}html[data-theme=light] ::-webkit-scrollbar-track{background:#eaf0f6}html[data-theme=light] ::-webkit-scrollbar-thumb{background:#0284c740}html[data-theme=light] ::-webkit-scrollbar-thumb:hover{background:#0284c773}html[data-theme=light] .text-foreground\/40,html[data-theme=light] .text-foreground\/45,html[data-theme=light] .text-foreground\/50{color:hsl(var(--foreground) / .62)!important}html[data-theme=light] .text-foreground\/55,html[data-theme=light] .text-foreground\/60{color:hsl(var(--foreground) / .72)!important}*{border-color:hsl(var(--border))}@supports (color:color-mix(in lab, red, red)){*{border-color:color-mix(in oklab, hsl(var(--border)) 10%, 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