.c15-page,.c15-page *{box-sizing:border-box}.c15-page{font-family:Arial,sans-serif;background:#071923;color:#f8f3e9;overflow:hidden}.c15-kicker{margin:0 0 12px;color:#dca83e;font:800 .75rem/1.3 Arial;letter-spacing:.16em}.c15-hero{padding:82px 7vw 68px;background:linear-gradient(125deg,#061722,#0c2a36)}.c15-hero>div{width:min(1180px,100%);margin:auto}.c15-hero h1{margin:0;color:#fffaf1;font:700 clamp(3.5rem,7vw,6.6rem)/.9 Georgia,serif;letter-spacing:-.045em}.c15-hero>div>p:not(.c15-kicker){max-width:750px;color:#d3dde0;font-size:1.08rem;line-height:1.7}.c15-legend{display:flex;gap:25px;flex-wrap:wrap;margin-top:28px;color:#bec9cd;font-size:.82rem}.c15-legend span{display:flex;align-items:center;gap:8px}.c15-legend i{width:11px;height:11px;border-radius:50%;display:inline-block}.c15-legend .direct{background:#dca83e}.c15-legend .study{border:2px solid #dca83e;background:transparent}
.c15-jump{position:sticky;top:0;z-index:5;display:flex;gap:0;overflow-x:auto;background:#0b222d;border-top:1px solid #263f49;border-bottom:1px solid #263f49}.c15-jump button{flex:1 0 auto;padding:18px 20px;border:0;border-right:1px solid #263f49;background:transparent;color:#d7e0e3;font-weight:800;cursor:pointer}.c15-jump button.active{background:#dca83e;color:#071923}
.c15-explorer{width:min(1180px,calc(100% - 10vw));margin:0 auto;display:grid;grid-template-columns:360px minmax(0,1fr);gap:34px;padding:66px 0 76px}.c15-track{border-left:2px solid #35505b;padding-left:25px}.c15-node{position:relative;display:block;width:100%;margin:0 0 14px;padding:16px 18px;text-align:left;border:1px solid #2d4651;background:#0a202b;color:#dce4e6;cursor:pointer}.c15-node:before{content:"";position:absolute;left:-33px;top:23px;width:12px;height:12px;border-radius:50%;background:#dca83e;border:3px solid #071923}.c15-node.study:before{background:#071923;border:2px solid #dca83e}.c15-node.active{border-color:#dca83e;background:#102e3a}.c15-node small{display:block;color:#dca83e;font-size:.64rem;font-weight:900;letter-spacing:.1em;margin-bottom:6px}.c15-node strong{font:700 1.08rem/1.25 Georgia,serif}.c15-detail{min-height:440px;padding:38px 42px;background:#0d2835;border:1px solid #36505a}.c15-detail .type{display:inline-block;padding:7px 9px;background:#dca83e;color:#071923;font-size:.64rem;font-weight:900;letter-spacing:.1em}.c15-detail .type.study{background:transparent;color:#e2b75f;border:1px solid #dca83e}.c15-detail h2{margin:20px 0 14px;color:#fffaf1;font:700 clamp(2.2rem,4vw,4rem)/1 Georgia,serif}.c15-detail .summary{color:#d4dde0;font-size:1.04rem;line-height:1.75}.c15-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:28px 0}.c15-facts div{padding:16px;background:#091e28;border-left:3px solid #dca83e}.c15-facts b{display:block;color:#e1b45a;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px}.c15-facts span{color:#fff;font:700 1rem/1.4 Georgia,serif}.c15-source{margin-top:26px;padding-top:20px;border-top:1px solid #35505b;color:#aebdc2;font-size:.83rem;line-height:1.6}.c15-source strong{color:#e1b45a}
.c15-overlap{padding:72px 7vw;background:#eee7dc;color:#071923;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.7fr);gap:60px;align-items:center}.c15-overlap>div:first-child{max-width:720px;margin-left:auto}.c15-overlap h2,.c15-method h2{margin:.2rem 0 .7rem;font:700 clamp(2.6rem,5vw,4.8rem)/.95 Georgia,serif}.c15-overlap p:not(.c15-kicker){color:#34434a;line-height:1.75}.c15-overlap-card{max-width:520px;padding:30px;background:#102a36;color:#fff;border-top:5px solid #dca83e;display:flex;flex-direction:column;gap:12px}.c15-overlap-card>strong{color:#dca83e;font-size:.7rem;letter-spacing:.12em}.c15-overlap-card span{padding-bottom:10px;border-bottom:1px solid #36505a}.c15-overlap-card b{font:700 2rem/1 Georgia,serif;color:#fffaf1}.c15-overlap-card small{color:#b7c4c8;line-height:1.5}
.c15-method{padding:72px 7vw 80px;background:#f7f2e9;color:#071923}.c15-method>div:first-child,.c15-method-grid,.c15-download{width:min(1180px,100%);margin-left:auto;margin-right:auto}.c15-method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}.c15-method-grid article{padding:25px;background:#fff;border:1px solid #d9cdbb}.c15-method-grid strong{color:#9b6814;font-size:.72rem;letter-spacing:.1em}.c15-method-grid p{color:#3a484e;line-height:1.65}.c15-download{display:flex;width:max-content;margin-top:28px;padding:15px 22px;background:#dca83e;color:#071923;text-decoration:none;font-size:.78rem;font-weight:900;text-transform:uppercase}
@media(max-width:850px){.c15-explorer{grid-template-columns:1fr}.c15-track{display:flex;overflow-x:auto;border-left:0;border-bottom:2px solid #35505b;padding:0 0 18px}.c15-node{min-width:220px;margin:0 10px 0 0}.c15-node:before{display:none}.c15-overlap{grid-template-columns:1fr}.c15-overlap>div:first-child{margin-left:0}.c15-method-grid{grid-template-columns:1fr}}@media(max-width:600px){.c15-hero{padding:62px 5vw 52px}.c15-explorer{width:90%}.c15-detail{padding:28px 22px}.c15-facts{grid-template-columns:1fr}.c15-overlap,.c15-method{padding-left:5vw;padding-right:5vw}}
.c16-context-cta{display:inline-block;margin-top:8px;padding:13px 18px;background:#dca83e;color:#071923;text-decoration:none;font-size:.75rem;font-weight:900;text-transform:uppercase}.c16-bridge{padding:64px 7vw;background:#0c2632;border-top:1px solid #304954;border-bottom:1px solid #304954;display:grid;grid-template-columns:1.3fr .7fr;gap:48px;align-items:center}.c16-bridge>div:first-child{max-width:760px;margin-left:auto}.c16-bridge h2{margin:.2rem 0 .7rem;color:#fffaf1;font:700 clamp(2.4rem,4.5vw,4.4rem)/.96 Georgia,serif}.c16-bridge p:not(.c15-kicker){color:#c6d2d6;line-height:1.7}.c16-bridge-actions{display:flex;flex-direction:column;gap:12px;max-width:430px}.c16-bridge-actions a{padding:16px 20px;border:1px solid #dca83e;color:#fffaf1;text-decoration:none;font-weight:800}.c16-bridge-actions a:first-child{background:#dca83e;color:#071923}@media(max-width:850px){.c16-bridge{grid-template-columns:1fr}.c16-bridge>div:first-child{margin-left:0}}
.c8-study-bridge{margin:0 auto;max-width:1180px;padding:34px 24px}.c8-study-bridge>div{padding:28px;border-radius:20px;background:#071b27;color:#edf3f4}.c8-study-bridge h2{margin:.3rem 0}.c8-study-bridge p{max-width:780px;color:#bac9ce}.c8-study-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.c8-study-actions a{display:inline-block;padding:11px 15px;border-radius:999px;text-decoration:none;font-weight:800;background:#c9a15b;color:#071b27}.c8-study-actions a+ a{background:transparent;color:#e4c77f;border:1px solid rgba(228,199,127,.5)}