:root{--dark:#09101f;--dark2:#101a2d;--dark3:#17243b;--paper:#f7f4ed;--white:#fff;--ink:#172033;--muted:#5f6976;--green:#8fd5c5;--green-deep:#397d71;--line:#17203324;--line-dark:#ffffff21;--serif:"Cormorant Garamond",Georgia,serif;--sans:Inter,system-ui,sans-serif;--x:clamp(1.25rem,5vw,4.5rem);--max:1180px}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);font-family:var(--sans);margin:0}a{color:inherit}:focus-visible{outline:3px solid var(--green);outline-offset:4px}.op-wrap{width:min(calc(100% - (2 * var(--x))),var(--max));margin:0 auto}.op-eyebrow{color:var(--green-deep);letter-spacing:.16em;text-transform:uppercase;margin:0 0 1rem;font-size:.7rem;font-weight:600}.op-display{font-family:var(--serif);letter-spacing:-.03em;margin:0;font-weight:300;line-height:.96}.op-copy{color:var(--muted);line-height:1.82}.op-hero{background:var(--dark);color:#f7f4ed}.op-hero__inner{padding:clamp(5.5rem,10vw,9rem) 0}.op-hero .op-eyebrow{color:var(--green)}.op-hero h1{max-width:1050px;font-size:clamp(3.8rem,7.8vw,7.4rem)}.op-lede{color:#cbd2d5;max-width:900px;margin:1.8rem 0 0;font-size:clamp(1.05rem,1.5vw,1.24rem);line-height:1.8}.op-hero__statement{max-width:850px;font-family:var(--serif);margin:1.7rem 0 0;font-size:clamp(1.7rem,3vw,2.65rem);line-height:1.18}.op-section{padding:clamp(5rem,9vw,8.5rem) 0}.op-section--white{background:#fff}.op-section--dark{background:var(--dark2);color:#f7f4ed}.op-section--dark .op-eyebrow{color:var(--green)}.op-section h2{max-width:1040px;font-size:clamp(2.8rem,5.7vw,5.5rem)}.op-lead{max-width:900px;margin:1.6rem 0 0;font-size:clamp(1rem,1.35vw,1.15rem)}.op-principle{grid-template-columns:minmax(0,1.05fr) minmax(300px,.75fr);align-items:start;gap:clamp(3rem,7vw,7rem);display:grid}.op-principle__statement{border-left:2px solid var(--green-deep);font-family:var(--serif);background:#397d710f;margin:0;padding:clamp(2rem,4vw,3.2rem);font-size:clamp(1.8rem,3.3vw,3rem);line-height:1.15}.op-principle__points{background:var(--line);border:1px solid var(--line);gap:1px;display:grid}.op-principle__points span{color:var(--muted);background:#fff;padding:1rem 1.1rem;font-size:.88rem;line-height:1.55}.op-federation{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:1px;margin-top:clamp(3rem,6vw,5rem);display:grid}.op-federation article{background:#fff;min-height:310px;padding:clamp(1.8rem,3.5vw,2.8rem)}.op-federation span{color:var(--green-deep);letter-spacing:.12em;text-transform:uppercase;font-size:.64rem;font-weight:600}.op-federation h3{font-family:var(--serif);margin:1.8rem 0 .8rem;font-size:clamp(2rem,3vw,2.8rem);font-weight:400;line-height:1}.op-federation p{color:var(--muted);margin:0;font-size:.88rem;line-height:1.72}.op-federation a{color:var(--green-deep);margin-top:1.3rem;font-size:.78rem;font-weight:600;text-decoration:none;display:inline-block}.op-federation a:after{content:" →"}.op-grid{background:var(--line-dark);border:1px solid var(--line-dark);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:clamp(3.5rem,7vw,6rem);display:grid}.op-card{background:var(--dark2);color:#f7f4ed;flex-direction:column;min-height:470px;padding:clamp(1.7rem,3vw,2.6rem);text-decoration:none;display:flex}.op-card:nth-child(2){background:var(--dark3)}.op-card__code{color:var(--green);letter-spacing:.1em;text-transform:uppercase;font-size:.65rem;font-weight:600}.op-card h3{font-family:var(--serif);margin:2rem 0 1rem;font-size:clamp(2rem,3vw,2.85rem);font-weight:300;line-height:1.04}.op-card p{color:#c5ced3;margin:0;font-size:.9rem;line-height:1.72}.op-card strong{color:var(--green);margin-top:auto;padding-top:2rem;font-size:.78rem}.op-card strong:after{content:" →"}.op-steps{background:var(--line);border:1px solid var(--line);grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(3rem,6vw,5rem);display:grid}.op-steps article{background:#fff;min-height:255px;padding:1.5rem 1.25rem}.op-steps span{color:var(--green-deep);letter-spacing:.1em;text-transform:uppercase;font-size:.64rem;font-weight:600}.op-steps h3{font-family:var(--serif);margin:1.7rem 0 .7rem;font-size:1.9rem;font-weight:400;line-height:1}.op-steps p{color:var(--muted);margin:0;font-size:.84rem;line-height:1.68}.op-open{background:var(--dark);color:#f7f4ed;grid-template-columns:minmax(0,1fr) minmax(280px,.42fr);gap:clamp(2rem,5vw,5rem);padding:clamp(2.5rem,5vw,4.5rem);display:grid}.op-open .op-eyebrow{color:var(--green)}.op-open h2{max-width:820px;font-size:clamp(2.8rem,5.4vw,5rem)}.op-open p{color:#c6cfd3;max-width:840px;line-height:1.8}.op-open__action{align-items:center;display:flex}.op-btn{background:var(--green);color:#09101f;justify-content:space-between;align-items:center;width:100%;min-height:3.3rem;padding:1rem 1.1rem;font-size:.8rem;font-weight:600;text-decoration:none;display:flex}.op-btn:after{content:"→"}@media (width<=950px){.op-grid,.op-federation{grid-template-columns:1fr}.op-card{min-height:0}.op-principle,.op-open{grid-template-columns:1fr}.op-steps{grid-template-columns:repeat(2,1fr)}}@media (width<=620px){.op-steps{grid-template-columns:1fr}}