:root{color-scheme:dark;--bg:#101522;--surface:#1a2231;--text:#f3f5f8;--muted:#afbdd0;--line:#334055;--accent:#f4a75d;--radius:16px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.72}
a{color:var(--accent);text-underline-offset:.2em}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #fbd4a5;outline-offset:4px}
.shell{width:min(1080px,calc(100% - 2.5rem));margin-inline:auto}.skip{position:absolute;top:-6rem;left:1rem;z-index:20;background:var(--accent);color:var(--bg);padding:.5rem 1rem}.skip:focus{top:1rem}
.masthead{border-bottom:1px solid var(--line)}.nav,.footer-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:5rem}.nav a{font-size:.92rem}.identity{display:inline-flex;align-items:center;gap:.65rem;font-weight:780;letter-spacing:.13em;text-decoration:none;color:var(--text);white-space:nowrap}.identity small{color:var(--accent);font-size:.74em}.mark{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);border-radius:.65rem;width:2.2rem;height:2.2rem;font-size:1.15rem;color:#151b27;font-weight:900}
.hero{max-width:790px;padding:clamp(3rem,8vw,6rem) 0}.eyebrow{color:var(--accent);font-size:.76rem;font-weight:750;letter-spacing:.13em;text-transform:uppercase}.dot{display:inline-block;border-radius:50%;background:var(--accent);height:.55rem;width:.55rem;margin-right:.4rem}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(2.35rem,5.8vw,4.65rem);margin:.9rem 0 1.5rem}h2{font-size:clamp(1.35rem,3vw,2rem)}h3{font-size:1.2rem}.accent{color:var(--accent)}p{max-width:80ch}.lead{font-size:clamp(1.1rem,1.85vw,1.32rem);color:#d9e0eb}.hero>p:not(.lead),.grid p,.notice p,.legal p{color:var(--muted)}.primary-link{display:inline-flex;align-items:center;gap:.7rem;margin-top:1.4rem;padding:.85rem 1.1rem;border-radius:.65rem;background:var(--accent);color:#121824;text-decoration:none;font-weight:700}
.details{border-top:1px solid var(--line);padding:2rem 0 3.8rem}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:2rem}.grid article{background:var(--surface);border:1px solid var(--line);padding:1.25rem;border-radius:var(--radius)}.step{color:var(--accent);font-weight:800;letter-spacing:.08em}.grid h3{margin:.85rem 0 .5rem}.notice{padding:1.3rem 1.7rem;margin:0 0 4rem;background:var(--surface);border-left:4px solid var(--accent);border-radius:.4rem var(--radius) var(--radius) .4rem}.notice h2{margin-top:.5rem}.footer{border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}
.legal{max-width:900px;padding:clamp(2rem,6vw,4rem) 0 5rem}.legal h1{font-size:clamp(2.2rem,5vw,3.5rem)}.legal h2{font-size:1.45rem;margin:2.1rem 0 .7rem}.legal p{max-width:82ch}.legal code{overflow-wrap:anywhere;color:#ffd2a0}.endnav{margin-top:3rem}
@media(max-width:760px){.grid{grid-template-columns:1fr}.shell{width:min(100% - 2rem,1080px)}.nav,.footer-row{min-height:4.3rem}.hero{padding:3rem 0 3.8rem}.notice{padding:1rem 1.25rem}.legal h2{font-size:1.3rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}