.landing{background:var(--bg);color:var(--ink);font-family:var(--body);padding:clamp(2rem,4vw,3.5rem) 1.25rem 5rem}.landing>section{max-width:1100px;margin-inline:auto}.landing-kicker{font:600 .75rem/1.5 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--rust)}.landing-intro h1{font-family:var(--display), var(--body);font-size:clamp(3.4rem,7vw,5.5rem);font-weight:var(--disp-weight);letter-spacing:-.02em;margin:1.25rem 0;line-height:1}.landing-intro h1 span{color:var(--rust)}.landing-lead{max-width:65ch;color:var(--ink-soft);font-size:clamp(1.05rem,2vw,1.25rem);line-height:1.7}.landing-aside{color:var(--ink-soft);font-size:.95rem}.landing a{color:var(--rust);text-underline-offset:.2em}.landing a:focus-visible{outline:2px solid var(--focus);outline-offset:5px}.landing-principles{border-top:2px solid var(--line-heavy);grid-template-columns:.9fr 1.1fr;gap:4rem;margin-block:4rem;padding-top:2rem;display:grid}.landing-section-head h2,.landing-reference h2{font:750 clamp(2rem, 4vw, 3rem)/1.1 var(--display), var(--body);margin-block:.75rem}.landing-section-head p,.landing-reference>p:not(.landing-kicker){max-width:65ch;color:var(--ink-soft);line-height:1.75}.landing-principle-list article{border-bottom:1px solid var(--line);align-items:baseline;gap:1.25rem;padding-block:1.5rem;display:flex}.landing-principle-list article:first-child{padding-top:0}.landing-index{font:500 .85rem var(--mono);color:var(--rust)}.landing-principle-list h3{margin:0;font-size:1.15rem}.landing-principle-list p{color:var(--ink-soft);line-height:1.7}.landing-principle-list a{font-size:.95rem}.landing-reference{border-top:2px solid var(--line-heavy);padding-top:2rem}.landing-reference-links{grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem;display:grid}.landing-reference-links a{border-left:2px solid var(--rust);padding-left:1rem;text-decoration:none}.landing-reference-links strong{font-size:1.05rem;display:block}.landing-reference-links span{color:var(--ink-soft);margin-top:.5rem;font-size:.95rem;display:block}@media (width<=760px){.landing-principles{grid-template-columns:1fr;gap:1.5rem;margin-block:3rem}.landing-reference-links{grid-template-columns:1fr}}