.avc{--ink:#0d1b25;--panel:#132534;--raise:#1a3145;--line:#2e5271;--grid:#5e96c017;--paper:#e8e2d4;--dim:#8da3b4;--brass:#d9a63e;--brass-2:#f0c868;--verd:#5faf97;--rust:#c1714e;--r:3px;background:var(--ink);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);color:var(--paper);-webkit-font-smoothing:antialiased;background-size:34px 34px;min-height:100vh;font-family:IBM Plex Sans,system-ui,sans-serif;font-size:16px;line-height:1.6}.avc *{box-sizing:border-box;margin:0;padding:0}.avc .wrap{max-width:1000px;margin:0 auto;padding:0 24px}.avc .eyebrow{letter-spacing:.22em;text-transform:uppercase;color:var(--dim);font-family:IBM Plex Mono,monospace;font-size:11px;font-weight:500}.avc .eyebrow b{color:var(--brass);font-weight:600}.avc h2.sec{letter-spacing:.005em;text-transform:uppercase;font-family:Big Shoulders Display,Impact,sans-serif;font-size:clamp(30px,5.4vw,58px);font-weight:800;line-height:.94}.avc .lede{color:var(--dim);max-width:58ch}.avc header{border-bottom:1px solid #5e96c024;padding:56px 0 8px}.avc .brandbar{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:64px;display:flex}.avc h1{text-transform:uppercase;letter-spacing:.004em;margin:0 0 26px;font-family:Big Shoulders Display,Impact,sans-serif;font-size:clamp(44px,10.5vw,116px);font-weight:800;line-height:.86}.avc h1 .amber{color:var(--brass)}.avc .hero-sub{color:#c3cdd5;max-width:60ch;margin-bottom:56px;font-size:clamp(16px,2.1vw,19px)}.avc .hero-sub strong{color:var(--paper);font-weight:600}.avc .calc{padding:64px 0 0}.avc .panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:30px}.avc .calc-grid{grid-template-columns:1fr 1fr;gap:26px;margin-top:34px;display:grid}.avc .field{margin-bottom:24px}.avc .field:last-child{margin-bottom:0}.avc label{letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:9px;font-family:IBM Plex 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select:focus-visible,.avc button:focus-visible,.avc a:focus-visible{outline:2px solid var(--brass);outline-offset:2px}.avc input[type=range]{appearance:none;background:0 0;width:100%;margin-top:6px}.avc input[type=range]::-webkit-slider-runnable-track{background:var(--line);height:2px}.avc input[type=range]::-moz-range-track{background:var(--line);height:2px}.avc input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--brass);border:3px solid var(--ink);cursor:pointer;border-radius:50%;width:18px;height:18px;margin-top:-8px}.avc input[type=range]::-moz-range-thumb{background:var(--brass);border:3px solid var(--ink);cursor:pointer;border-radius:50%;width:14px;height:14px}.avc .rangetop{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.avc .rangeval{color:var(--brass);font-family:IBM Plex Mono,monospace;font-size:19px;font-weight:600}.avc .readouts{background:var(--line);border:1px solid var(--line);border-radius:var(--r);grid-template-columns:1fr 1fr;gap:1px;margin-top:26px;display:grid;overflow:hidden}.avc .ro{background:var(--panel);padding:15px 16px}.avc .ro .k{letter-spacing:.15em;text-transform:uppercase;color:var(--dim);font-family:IBM Plex Mono,monospace;font-size:10.5px}.avc .ro .v{margin-top:3px;font-family:IBM Plex Mono,monospace;font-size:21px;font-weight:600}.avc .result{border:1px solid var(--line);border-radius:var(--r);background:var(--raise);margin:34px 0 0;padding:44px 30px 34px}.avc .dimlabel{text-align:center;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:22px;font-family:IBM Plex Mono,monospace;font-size:11px}.avc .dim{padding:0 22px;position:relative}.avc .dim:before,.avc .dim:after{content:"";background:var(--brass);width:1px;position:absolute;top:0;bottom:0}.avc .dim:before{left:0}.avc .dim:after{right:0}.avc .dimrule{background:var(--brass);flex:100%;width:100%;height:1px;position:relative}.avc 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p{color:#b7c3cc;max-width:52ch;margin:0 auto 30px}.avc .btn{background:var(--brass);color:var(--ink);letter-spacing:.14em;text-transform:uppercase;border-radius:var(--r);cursor:pointer;border:0;padding:16px 34px;font-family:IBM Plex Mono,monospace;font-size:13px;font-weight:600;text-decoration:none;transition:background .18s,transform .18s;display:inline-block}.avc .btn:hover{background:var(--brass-2);transform:translateY(-1px)}.avc .btn[disabled]{opacity:.6;cursor:default;transform:none}.avc footer{text-align:center;letter-spacing:.16em;text-transform:uppercase;color:var(--dim);padding:56px 0 72px;font-family:IBM Plex Mono,monospace;font-size:11px}.avc .gatewrap{margin-top:34px;position:relative}.avc .locked{filter:blur(7px);pointer-events:none;-webkit-user-select:none;user-select:none;opacity:.55}.avc .gate{background:var(--panel);border:1px solid var(--brass);border-radius:var(--r);text-align:center;max-width:520px;margin:34px auto 0;padding:28px 24px}.avc .gate h3{text-transform:uppercase;margin-bottom:10px;font-family:Big Shoulders Display,Impact,sans-serif;font-size:30px;font-weight:800;line-height:1}.avc .gate p{color:#b7c3cc;margin-bottom:20px;font-size:14.5px}.avc .gate .row{text-align:left;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px;display:grid}.avc .gate .err{color:var(--rust);margin-top:12px;font-size:13px}.avc .confirm{letter-spacing:.14em;text-transform:uppercase;color:var(--verd);margin-top:30px;font-family:IBM Plex Mono,monospace;font-size:12px}@media(max-width:820px){.avc .calc-grid{grid-template-columns:1fr;gap:0}.avc .calc-grid>div:first-child{margin-bottom:24px}.avc .stream,.avc .tally{grid-template-columns:44px 1fr}.avc .snum{font-size:34px}.avc .est,.avc .tally .v{text-align:left;grid-column:2;margin-top:14px}.avc .tally .lab{font-size:24px}.avc .readouts{grid-template-columns:1fr 1fr}.avc .panel{padding:22px}.avc .result{padding:34px 18px 26px}.avc .mrow{grid-template-columns:1fr;gap:6px}.avc .dim{padding:0 14px}.avc .dimwrap{height:auto;display:block}.avc .dimrule{border-top:1px solid var(--brass);background:0 0;height:auto;padding-bottom:14px}.avc .dimfoot{margin-top:12px}.avc .dimrule>span{white-space:normal;text-align:center;background:0 0;margin-top:14px;padding:0;display:block;position:static;transform:none}.avc .dimnum{white-space:normal;font-size:clamp(26px,7.6vw,40px);line-height:1.05}.avc .wrap{padding:0 18px}.avc .gate .row{grid-template-columns:1fr}.avc .stream h3{font-size:24px}.avc .meta{gap:12px}}@media(prefers-reduced-motion:reduce){.avc *{transition:none!important;animation:none!important}}