.ibn-wrap{--ibn-lit:#2dd4bf;max-width:1500px;margin:0 auto;padding:clamp(24px,4vw,40px) clamp(16px,4vw,48px) clamp(64px,9vw,96px)}.ibn-crumb{margin-bottom:clamp(20px,3vw,32px);font-size:13px}.ibn-kicker{color:var(--ibn-lit)}.ibn-title{letter-spacing:-.02em;margin:12px 0 16px;font-size:clamp(30px,4.6vw,48px);line-height:1.05}.ibn-lede{max-width:68ch;color:var(--muted);margin:0 0 clamp(24px,4vw,36px);font-size:clamp(15px,1.6vw,17px);line-height:1.7}.ibn-lede strong{color:var(--ink);font-weight:500}.ibn-stage{position:relative}.ibn-frame{background:0 0;border:0;border-radius:14px;width:100%;height:2200px;display:block;box-shadow:0 40px 110px -50px #2dd4bf66,0 0 90px -40px #4d9ee84d}@media (min-width:761px){.ibn-frame{height:1960px}}@media (min-width:1121px){.ibn-frame{height:1200px}}.ibn-h2{letter-spacing:-.01em;margin:clamp(48px,7vw,80px) 0 22px;font-size:clamp(20px,2.4vw,28px);line-height:1.15}.ibn-sub{max-width:68ch;color:var(--muted);margin:-8px 0 22px;font-size:14px;line-height:1.7}.ibn-notes{background:var(--rule);border:1px solid var(--rule);border-radius:10px;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:1px;display:grid;overflow:hidden}.ibn-note{background:var(--surface);padding:24px 26px 26px}.ibn-note .eyebrow{color:var(--ibn-lit)}.ibn-note h3{letter-spacing:-.005em;margin:8px 0 10px;font-size:17px;line-height:1.25}.ibn-note p{color:var(--muted);margin:0;font-size:14px;line-height:1.65}.ibn-formulas{background:var(--rule);border:1px solid var(--rule);border-radius:10px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;display:grid;overflow:hidden}.ibn-formula{background:var(--surface);padding:24px 26px 26px}.ibn-formula h3{letter-spacing:-.005em;margin:0 0 12px;font-size:17px;line-height:1.25}.ibn-formula-code{font-family:var(--font-mono);color:var(--ink);white-space:pre;background:#2dd4bf12;border:1px solid #2dd4bf4d;border-radius:8px;margin:0 0 14px;padding:12px 14px;font-size:13px;line-height:1.6;overflow-x:auto}.ibn-formula p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.6}.ibn-uses{background:var(--rule);border:1px solid var(--rule);border-radius:10px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;display:grid;overflow:hidden}.ibn-use{background:var(--surface);padding:24px 26px 26px}.ibn-use h3{letter-spacing:-.005em;margin:0 0 10px;font-size:16px;line-height:1.25}.ibn-use p{color:var(--muted);margin:0;font-size:13.5px;line-height:1.6}.ibn-foot{border-top:1px solid var(--rule);flex-wrap:wrap;align-items:baseline;gap:14px 28px;margin-top:clamp(40px,6vw,64px);padding-top:26px;display:flex}.ibn-foot p{max-width:68ch;color:var(--muted);margin:0;font-size:13px;line-height:1.6}