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2rem);color:var(--muted);justify-content:space-between;gap:1rem;margin:0 auto;padding:1.6rem 0 2.4rem;font-size:.9rem;display:flex}.site-footer a{font-weight:700}@media (width<=820px){.hero{grid-template-columns:1fr;gap:2rem;padding-top:4.5rem}.math-card{min-height:220px}.roadmap-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.header-inner{flex-direction:column;align-items:flex-start;gap:.75rem;min-height:auto;padding:.85rem 0}.primary-nav{justify-content:space-between;width:100%}.primary-nav a{padding:.5rem .55rem}.hero{padding-top:3.5rem}h1{font-size:clamp(3.3rem,19vw,5rem)}.roadmap-grid{grid-template-columns:1fr}.site-footer{flex-direction:column}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}