.bth-hero{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;overflow:hidden;padding:100px 0 140px;position:relative}.bth-hero-inner{margin:0 auto;max-width:1200px;padding:0 24px}.bth-hero-tag{color:#737373;display:inline-block;font-size:12px;letter-spacing:.15em;text-transform:uppercase}.bth-hero-tag,.bth-hero-title{font-weight:500;margin-bottom:32px}.bth-hero-title{color:#0a0a0a;font-size:clamp(44px,7vw,88px);letter-spacing:-.04em;line-height:1.02;max-width:1000px}.bth-hero-italic{font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-weight:400}.bth-hero-subtitle{color:#525252;font-size:20px;line-height:1.5;margin-bottom:48px;max-width:620px}.bth-hero-subtitle p{margin:0 0 12px}.bth-hero-subtitle p:last-child{margin-bottom:0}.bth-hero-ctas{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:100px}.bth-btn{align-items:center;border:none;border-radius:999px;cursor:pointer;display:inline-flex;font-family:Inter,-apple-system,sans-serif;font-size:15px;font-weight:500;gap:8px;padding:14px 24px;text-decoration:none;transition:all .2s}.bth-btn-primary{background:#0a0a0a;color:#fafaf9}.bth-btn-primary:hover{background:#262626;transform:translateY(-1px)}.bth-btn-secondary{background:transparent;border:1px solid #d4d4d4;color:#0a0a0a}.bth-btn-secondary:hover{border-color:#0a0a0a}.bth-arrow{transition:transform .2s}.bth-btn:hover .bth-arrow{transform:translateX(3px)}.bth-layers{background:#e5e5e5;border:1px solid #e5e5e5;border-radius:4px;display:grid;gap:1px;grid-template-columns:repeat(4,1fr);overflow:hidden}.bth-layer{background:#fafaf9;padding:32px 24px;transition:background .2s}.bth-layer:hover{background:#fff}.bth-layer-num{color:#a3a3a3;font-size:11px;font-weight:500;letter-spacing:.1em;margin-bottom:12px}.bth-layer-name{color:#0a0a0a;font-size:18px;font-weight:500;letter-spacing:-.01em;margin-bottom:6px}.bth-layer-desc{color:#737373;font-size:13px}@media (max-width:900px){.bth-hero{padding:60px 0 80px}.bth-layers{grid-template-columns:repeat(2,1fr)}.bth-hero-ctas{margin-bottom:60px}}@media (max-width:500px){.bth-hero-ctas{align-items:stretch;flex-direction:column}.bth-btn{justify-content:center}}