:root{--ff-dark:var(--clr-background-dk,#0f1117);--ff-dark-card:#181a23;--ff-dark-border:#23262f;--ff-accent:#fa8a0a;--ff-accent-hover:#e07a00;--ff-text-primary:#f1f1f3;--ff-text-secondary:#a1a1aa;--ff-text-muted:#71717a;--ff-white:#fff;--ff-light-bg:#f8f9fb;--ff-light-text:#1e1e2e;--ff-light-secondary:#4a4a5a}.ff-problem{font-family:inherit}.ff-problem--dark{background-color:var(--ff-dark)}.ff-problem--light{background-color:var(--ff-light-bg);color:var(--ff-light-text)}.ff-problem__container{margin-left:auto;margin-right:auto;max-width:48rem;padding:5rem 1.5rem}@media (min-width:768px){.ff-problem__container{padding-bottom:7rem;padding-top:7rem}}.ff-problem__headline{font-size:1.875rem;font-weight:700;line-height:1.25}.ff-problem--dark .ff-problem__headline{color:var(--ff-text-primary)}@media (min-width:768px){.ff-problem__headline{font-size:2.25rem}}.ff-problem__body{font-size:1.125rem;line-height:1.625;margin-top:2.5rem}.ff-problem__body>*+*{margin-top:1.5rem}.ff-problem--dark .ff-problem__body{color:var(--ff-text-secondary)}.ff-problem--light .ff-problem__body{color:var(--ff-light-secondary)}.ff-problem__closing{font-size:1.125rem;font-weight:600;margin-top:1.5rem}.ff-problem--dark .ff-problem__closing{color:var(--ff-text-primary)}.ff-problem--light .ff-problem__closing{color:var(--ff-light-text)}