.bk-layout { display:grid; grid-template-columns:minmax(0,1fr) minmax(330px,.55fr); gap:clamp(45px,9vw,150px); align-items:start; }
.bk-intro { max-width:760px; }
.bk-phase-rail { position:sticky; top:32px; border-top:1px solid var(--line); }
.bk-phase-rail>.eyebrow { padding-top:18px; }
.bk-phase-row { display:grid; grid-template-columns:54px minmax(0,1fr) auto; gap:14px; align-items:baseline; border-bottom:1px solid var(--line); padding:16px 0 19px; }
.bk-phase-row span { color:var(--muted); font-size:.66rem; font-weight:500; letter-spacing:.07em; text-transform:uppercase; }
.bk-phase-row h2 { margin:0; color:var(--accent,var(--blue)); font-size:clamp(1.8rem,2.6vw,3.1rem); }
.bk-phase-row__content p { max-width:330px; margin:6px 0 0; color:var(--muted); font-size:.68rem; line-height:1.45; }
.bk-phase-row b { color:var(--accent,var(--blue)); font-family:'DM Mono',monospace; font-size:1rem; font-weight:400; }
.bk-phase-row:hover { padding-left:8px; }
.bk-phase-row:hover h2 { color:var(--white); }
@media(max-width:850px){.bk-layout{grid-template-columns:1fr;gap:45px}.bk-phase-rail{position:static}.bk-phase-row{grid-template-columns:64px minmax(0,1fr) auto}}