.sbb-landing{--l-paper:#f1ece0;--l-manila:#e4d9c0;--l-manila-edge:#d3c5a4;--l-ink:#1c1815;--l-ink-70:rgba(28,24,21,0.7);--l-ink-50:rgba(28,24,21,0.5);--l-ink-15:rgba(28,24,21,0.15);--l-orange:#ff8409;--l-orange-deep:#e0700a;--l-sans:"IBM Plex Sans",system-ui,sans-serif;--l-mono:"IBM Plex Mono",ui-monospace,monospace;background:var(--l-paper);color:var(--l-ink);font-family:var(--l-sans);line-height:1.55;overflow-x:hidden}.sbb-landing .wrap{max-width:1080px;margin:0 auto;padding:0 28px}.sbb-landing .mono{font-family:var(--l-mono)}.sbb-landing .filebar{border-bottom:1px solid var(--l-ink-15);background:var(--l-paper)}.sbb-landing .filebar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:11px;padding-bottom:11px;font-family:var(--l-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--l-ink-70)}.sbb-landing .filebar .ref{white-space:nowrap}@media (max-width:640px){.sbb-landing .filebar{display:none}}.sbb-landing .hero{padding:74px 0 54px;position:relative}.sbb-landing .stamp-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:11.5px;color:var(--l-ink-70);margin-bottom:30px}.sbb-landing .stamp-row,.sbb-landing .tag{font-family:var(--l-mono);letter-spacing:.1em;text-transform:uppercase}.sbb-landing .tag{border:1px solid var(--l-ink-15);padding:5px 10px;border-radius:2px;background:rgba(255,255,255,.35);white-space:normal}.sbb-landing .tag.warn{border-color:var(--l-orange);color:var(--l-orange-deep);font-weight:600}.sbb-landing h1{font-weight:700;letter-spacing:-.02em;line-height:1.04;font-size:clamp(2.45rem,5.6vw,4.55rem);max-width:16ch;color:var(--l-ink)}.sbb-landing h1 .u{background:linear-gradient(transparent 62%,rgba(255,132,9,.32) 0);padding:0 .04em}.sbb-landing .lede{margin-top:26px;max-width:54ch;font-size:clamp(1.05rem,1.7vw,1.32rem);color:var(--l-ink-70)}.sbb-landing .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;align-items:center}.sbb-landing .btn{font-family:var(--l-sans);font-size:15px;font-weight:600;padding:14px 24px;border-radius:3px;text-decoration:none;cursor:pointer;display:inline-block;transition:transform .12s ease,background .12s ease;border:1.5px solid var(--l-ink)}.sbb-landing .btn-primary{background:var(--l-orange);border-color:var(--l-orange);color:var(--l-ink)}.sbb-landing .btn-primary:hover{background:var(--l-orange-deep);border-color:var(--l-orange-deep)}.sbb-landing .btn-ghost{background:transparent;color:var(--l-ink)}.sbb-landing .btn-ghost:hover{background:var(--l-ink);color:var(--l-paper)}.sbb-landing .btn:focus-visible{outline:3px solid var(--l-orange);outline-offset:3px}.sbb-landing .hero-note{font-family:var(--l-mono);font-size:12.5px;color:var(--l-ink-50);margin-top:22px;max-width:46ch;line-height:1.5}.sbb-landing .hero-note .mk{color:var(--l-orange-deep)}.sbb-landing section{padding:64px 0}.sbb-landing .eyebrow{font-family:var(--l-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--l-orange-deep);font-weight:600;display:flex;align-items:center;gap:12px;margin-bottom:20px}.sbb-landing .eyebrow:before{content:"";width:26px;height:1.5px;background:var(--l-orange)}.sbb-landing h2{font-weight:700;letter-spacing:-.015em;line-height:1.12;font-size:clamp(1.7rem,3.4vw,2.7rem);max-width:20ch;color:var(--l-ink)}.sbb-landing .body-lg{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--l-ink-70);max-width:60ch;margin-top:18px}.sbb-landing .body-lg+.body-lg{margin-top:16px}.sbb-landing .body-lg a{color:var(--l-orange-deep);font-weight:600}.sbb-landing .trap{background:var(--l-ink);color:var(--l-paper);border-top:3px solid var(--l-orange)}.sbb-landing .trap .eyebrow{color:var(--l-orange)}.sbb-landing .trap h2{color:var(--l-paper)}.sbb-landing .trap .body-lg{color:rgba(241,236,224,.74)}.sbb-landing .steps{margin-top:40px;display:grid;grid-gap:1px;gap:1px;background:rgba(241,236,224,.14);border:1px solid rgba(241,236,224,.14);border-radius:4px;overflow:hidden}.sbb-landing .step{background:var(--l-ink);padding:22px 24px;display:grid;grid-template-columns:64px 1fr;grid-gap:18px;gap:18px;align-items:start}.sbb-landing .step .n{font-family:var(--l-mono);font-size:12px;letter-spacing:.08em;color:var(--l-orange);padding-top:3px}.sbb-landing .step h3{font-size:1.08rem;font-weight:600;margin-bottom:4px;color:var(--l-paper)}.sbb-landing .step p{color:rgba(241,236,224,.66);font-size:.97rem}.sbb-landing .trap-punch{margin-top:34px;font-family:var(--l-sans);font-weight:600;font-size:clamp(1.15rem,2.2vw,1.6rem);line-height:1.3;max-width:24ch}.sbb-landing .trap-punch .o{color:var(--l-orange)}.sbb-landing .reframe h2 .u{background:linear-gradient(transparent 60%,rgba(255,132,9,.34) 0);padding:0 .04em}.sbb-landing .guide{background:var(--l-manila);border-top:1px solid var(--l-manila-edge);border-bottom:1px solid var(--l-manila-edge)}.sbb-landing .guide-grid{display:grid;grid-template-columns:1fr;grid-gap:30px;gap:30px;align-items:start}@media (min-width:860px){.sbb-landing .guide-grid{grid-template-columns:1.4fr 1fr;gap:54px}}.sbb-landing .card{background:var(--l-paper);border:1px solid var(--l-manila-edge);border-radius:4px;padding:26px;box-shadow:none}.sbb-landing .card .label{font-family:var(--l-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--l-ink-50);margin-bottom:14px}.sbb-landing .creds{list-style:none;display:grid;grid-gap:14px;gap:14px}.sbb-landing .creds li{display:grid;grid-template-columns:18px 1fr;grid-gap:12px;gap:12px;font-size:.98rem;color:var(--l-ink-70)}.sbb-landing .creds .tick{color:var(--l-orange-deep);font-family:var(--l-mono);font-weight:600}.sbb-landing .pi-sub{margin-top:10px;font-size:clamp(1.05rem,1.8vw,1.4rem);font-weight:500;color:var(--l-orange-deep);letter-spacing:-.01em}.sbb-landing .pi-grid{list-style:none;display:grid;grid-template-columns:1fr;grid-gap:1px;gap:1px;margin-top:34px;background:var(--l-ink-15);border:1px solid var(--l-ink-15);border-radius:4px;overflow:hidden}@media (min-width:760px){.sbb-landing .pi-grid{grid-template-columns:repeat(2,1fr)}}.sbb-landing .pi-item{background:var(--l-paper);padding:22px 24px}.sbb-landing .pi-item h3{font-size:1.08rem;font-weight:600;color:var(--l-ink);letter-spacing:-.01em;margin-bottom:6px}.sbb-landing .pi-item p{font-size:.98rem;color:var(--l-ink-70);line-height:1.55}.sbb-landing .sp-points{list-style:none;display:grid;grid-gap:16px;gap:16px;margin-top:30px;max-width:70ch}.sbb-landing .sp-points li{display:grid;grid-template-columns:22px 1fr;grid-gap:14px;gap:14px;font-size:clamp(1rem,1.4vw,1.12rem);color:var(--l-ink-70);line-height:1.58}.sbb-landing .sp-points .mk{color:var(--l-orange-deep);font-family:var(--l-mono);font-weight:600;padding-top:1px}.sbb-landing .sp-bridge,.sbb-landing .sp-points b{color:var(--l-ink);font-weight:600}.sbb-landing .sp-bridge{margin-top:28px;font-size:clamp(1.05rem,1.6vw,1.25rem);max-width:60ch;line-height:1.4}.sbb-landing .modules{margin-top:40px;display:grid;grid-gap:1px;gap:1px;background:var(--l-ink-15);border:1px solid var(--l-ink-15);border-radius:4px;overflow:hidden}.sbb-landing .mod{background:var(--l-paper);padding:18px 22px;display:grid;text-decoration:none;color:inherit;grid-template-columns:58px 1fr;grid-gap:16px;gap:16px;align-items:baseline;transition:background .12s ease}.sbb-landing .mod:hover{background:#fff;text-decoration:none}.sbb-landing .mod:focus-visible{outline:3px solid var(--l-orange);outline-offset:-3px}.sbb-landing .mod .code{font-family:var(--l-mono);font-size:12.5px;font-weight:600;color:var(--l-orange-deep);letter-spacing:.04em}.sbb-landing .mod h3{font-size:1.05rem;font-weight:600;display:inline;color:var(--l-ink)}.sbb-landing .mod p{display:inline;color:var(--l-ink-70);font-size:1.05rem;font-weight:400}.sbb-landing .kit-grid{display:grid;grid-template-columns:1fr;grid-gap:16px;gap:16px;margin-top:36px}@media (min-width:760px){.sbb-landing .kit-grid{grid-template-columns:repeat(3,1fr)}}.sbb-landing .kit{background:var(--l-manila);border:1px solid var(--l-manila-edge);border-radius:4px;padding:24px}.sbb-landing .kit .k{font-family:var(--l-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--l-orange-deep);margin-bottom:12px}.sbb-landing .kit h3{font-size:1.15rem;font-weight:700;margin-bottom:8px;color:var(--l-ink)}.sbb-landing .kit p{font-size:.96rem;color:var(--l-ink-70)}.sbb-landing .disclaimer{background:var(--l-ink);color:rgba(241,236,224,.82)}.sbb-landing .disclaimer .wrap{padding-top:46px;padding-bottom:46px}.sbb-landing .disclaimer .eyebrow{color:var(--l-orange)}.sbb-landing .disclaimer p{max-width:62ch;font-size:1.02rem;line-height:1.6}.sbb-landing .disclaimer b{color:var(--l-paper);font-weight:600}.sbb-landing .final{text-align:center;padding:90px 0}.sbb-landing .final h2{margin:0 auto;max-width:18ch}.sbb-landing .final h2 .o{color:var(--l-orange-deep)}.sbb-landing .final .cta-row{justify-content:center}.sbb-landing .final .hero-note{margin-left:auto;margin-right:auto;text-align:center}@media (prefers-reduced-motion:no-preference){.sbb-landing .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}.sbb-landing .reveal.in{opacity:1;transform:none}}