.bft-ri{--ink:#15344c;--teal:#007f77;--line:#dbe6eb;font:inherit;color:var(--ink);max-width:1100px;margin:20px auto;line-height:1.58}.bft-ri *{box-sizing:border-box}.bft-ri [hidden]{display:none!important}.bft-ri-hero{padding:26px;border:1px solid #cfebe6;border-radius:16px;background:linear-gradient(135deg,#effbf9,#f5f8fe)}.bft-ri-hero h2{font-size:clamp(25px,4vw,36px);margin:5px 0 7px;color:#15344c}.bft-ri-eyebrow,.bft-ri-mini{font-size:12px;font-weight:800;letter-spacing:.06em;color:#00746c}.bft-ri-note{background:#fff;padding:12px 14px;border-radius:10px;border-left:4px solid #178f86}.bft-ri-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(270px,.85fr);gap:18px;margin:18px 0}.bft-ri-panel,.bft-ri-results{background:#fff;border:1px solid var(--line);padding:22px;border-radius:16px;min-width:0}.bft-ri-results{align-self:start;position:sticky;top:25px}.bft-ri-heading{display:flex;align-items:center;gap:10px;margin:19px 0 6px}.bft-ri-heading h3{font-size:19px;margin:0;color:#15344c}.bft-ri-step{display:grid;place-items:center;background:#007f77;color:#fff;width:30px;height:30px;border-radius:50%;font-weight:800;flex-shrink:0}.bft-ri-help,.bft-ri-small{font-size:13px;color:#526b7a}.bft-ri-diagram{width:100%;height:auto;display:block;margin:12px 0;border:1px solid #d6e6ef;border-radius:10px}.bft-ri-choice{display:flex;flex-wrap:wrap;gap:12px}.bft-ri-choice label,.bft-ri-fieldset label{display:block;padding:9px 12px;background:#f4f8fb;border:1px solid #e0eaf0;border-radius:9px;cursor:pointer}.bft-ri-fieldset{border:0;margin:16px 0;padding:0}.bft-ri-fieldset legend{font-weight:700;margin-bottom:8px}.bft-ri-fieldset label{margin-bottom:7px}.bft-ri-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}.bft-ri-fields label,.bft-ri-input-label{display:block;font-size:13px;font-weight:700}.bft-ri input[type=number],.bft-ri select{display:block;width:100%;border:1px solid #aebfcb;background:white;border-radius:8px;padding:11px;margin-top:5px;color:#15344c;min-height:44px;font:inherit}.bft-ri input[type=radio]{accent-color:#007f77}.bft-ri-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:19px}.bft-ri button[data-calc]{background:#007f77;color:white;border:0;border-radius:9px;padding:12px 18px;font-weight:800;cursor:pointer}.bft-ri-secondary{background:#eff5f8;border:1px solid #c5dce4;border-radius:9px;padding:11px 14px;cursor:pointer;font-weight:700;color:#15344c}.bft-ri button:focus-visible,.bft-ri input:focus-visible,.bft-ri select:focus-visible{outline:3px solid #f1b65a;outline-offset:2px}.bft-ri-out{border-radius:12px;background:#eaf9f4;padding:19px;border-left:5px solid #009474}.bft-ri-out.warn{background:#fff7e8;border-color:#e5a22d}.bft-ri-number{font-weight:900;font-size:clamp(28px,4vw,40px);line-height:1.3}.bft-ri-number small{font-size:15px}.bft-ri-alert{background:#fff7e8;padding:15px;border:1px solid #f3dca8;border-radius:10px}.bft-ri-results h3{font-size:19px;margin:20px 0 6px}.bft-ri-results li{margin:5px 0}.bft-pass{color:#007c4b}.bft-fail{color:#a12920}.bft-ri-guide{margin-top:25px}.bft-ri-guide h2{font-size:clamp(20px,3vw,26px);color:#15344c;margin:29px 0 10px}.bft-ri-guide p{margin:10px 0 15px}.bft-ri-guide details{border-bottom:1px solid #e1e8ec;padding:11px 4px}.bft-ri-guide summary{font-weight:700;cursor:pointer}.bft-ri a{color:#006d82;text-decoration:underline}.bft-ri-disclaimer{font-size:13px;background:#f3f6f8;padding:13px;border-radius:8px}@media(max-width:750px){.bft-ri-layout{grid-template-columns:1fr}.bft-ri-results{position:static}.bft-ri-panel,.bft-ri-results,.bft-ri-hero{padding:16px}.bft-ri-fields{grid-template-columns:1fr}.bft-ri-choice{flex-direction:column}}

/* Premium visual refinement: small, self-contained, no remote assets */
.bft-ri{--ink:#112e45;--teal:#087e72;--line:#dce8ec;--shadow:0 14px 34px rgba(22,51,69,.07);max-width:1140px;color:var(--ink);font-family:inherit}
.bft-ri .bft-ri-hero{position:relative;overflow:hidden;background:linear-gradient(114deg,#e9faf5 0%,#f4f9ff 64%,#fdfefe 100%);border:1px solid #cde9df;padding:clamp(24px,4vw,46px);border-radius:24px;box-shadow:var(--shadow)}
.bft-ri .bft-ri-hero:after{content:'';position:absolute;width:280px;height:280px;right:-100px;top:-170px;border-radius:50%;background:radial-gradient(circle,rgba(21,172,142,.16),transparent 70%);pointer-events:none}
.bft-ri .bft-ri-hero h2{font-size:clamp(28px,4vw,43px)!important;line-height:1.16;letter-spacing:-.035em;margin:10px 0 12px;font-weight:850}
.bft-ri .bft-ri-hero>p{max-width:720px;font-size:clamp(15px,1.8vw,18px);line-height:1.7;color:#37566a}
.bft-ri .bft-ri-note{margin-top:18px;max-width:850px;box-shadow:0 4px 18px rgba(11,90,79,.05);font-size:14px}
.bft-ri .bft-ri-pills{display:flex;flex-wrap:wrap;gap:9px;padding:18px 0 4px}
.bft-ri .bft-ri-pills span{font-size:12px;font-weight:750;color:#147568;background:#e5f7f2;border:1px solid #c5e8dc;padding:7px 11px;border-radius:999px}
.bft-ri .bft-ri-layout{gap:20px;grid-template-columns:minmax(0,1.25fr) minmax(280px,.8fr)}
.bft-ri .bft-ri-panel,.bft-ri .bft-ri-results{border-radius:22px;border:1px solid #e0eaee;box-shadow:var(--shadow);padding:clamp(20px,3vw,30px)}
.bft-ri .bft-ri-panel{background:linear-gradient(180deg,#fff,#fcfefe)}
.bft-ri .bft-ri-results{top:20px;background:#fbfefe;border-top:5px solid #148b7a}
.bft-ri .bft-ri-heading{margin-top:24px;margin-bottom:12px;align-items:center}
.bft-ri .bft-ri-heading h3{font-weight:800;letter-spacing:-.02em}
.bft-ri .bft-ri-step{background:linear-gradient(135deg,#07695f,#1dad91);box-shadow:0 5px 14px rgba(8,126,114,.22);width:34px;height:34px}
.bft-ri .bft-ri-choice label,.bft-ri .bft-ri-fieldset label{border:1px solid #dce8eb;border-radius:12px;padding:12px 13px;background:#f8fbfc;transition:border-color .15s,background .15s}
.bft-ri .bft-ri-choice label:has(input:checked),.bft-ri .bft-ri-fieldset label:has(input:checked){border-color:#20a38e;background:#e9f8f4}
.bft-ri .bft-ri-diagram{border:1px solid #d1e5e9;border-radius:16px;box-shadow:0 3px 8px rgba(30,76,84,.04)}
.bft-ri .bft-ri-fields{gap:14px}.bft-ri .bft-ri-fields label{font-size:13px;color:#27475b}
.bft-ri input[type=number],.bft-ri select{min-height:48px!important;border-radius:11px!important;border:1px solid #c8d8df!important;background:#fff!important;box-shadow:0 1px 2px rgba(0,0,0,.02);font-size:16px!important}
.bft-ri input[type=number]:focus,.bft-ri select:focus{border-color:#0b9282!important;outline:3px solid rgba(10,152,130,.14)!important;outline-offset:0}
.bft-ri button[data-calc]{border-radius:12px;background:linear-gradient(120deg,#006c65,#099b84);padding:15px 23px;min-height:50px;font-size:15px;box-shadow:0 6px 16px rgba(0,109,100,.18);transition:transform .15s}
.bft-ri button[data-calc]:hover{transform:translateY(-1px)}
.bft-ri .bft-ri-secondary{border-radius:11px;padding:13px 18px;background:#eef6f7}
.bft-ri .bft-ri-out{border-radius:16px;padding:20px;background:linear-gradient(145deg,#e4f9f0,#effcf8)}
.bft-ri .bft-ri-out.warn{background:linear-gradient(145deg,#fff2da,#fffaf0)}
.bft-ri .bft-ri-number{font-size:clamp(38px,5vw,53px);letter-spacing:-.035em;color:#0b544e}
.bft-ri .bft-ri-out.warn .bft-ri-number{color:#805515}
.bft-ri .bft-ri-guide{padding:clamp(8px,2vw,20px) 0}.bft-ri .bft-ri-guide h2{border-left:4px solid #10a18b;padding-left:12px;letter-spacing:-.015em}
.bft-ri .bft-ri-guide details{background:#f9fcfd;border:1px solid #e5eef0;border-radius:12px;padding:14px 16px;margin:10px 0}
.bft-ri .bft-ri-guide summary{list-style-position:outside}.bft-ri .bft-ri-guide details[open]{background:#f1faf7;border-color:#bfdfd8}
@media(max-width:800px){.bft-ri .bft-ri-layout{grid-template-columns:minmax(0,1fr)}.bft-ri .bft-ri-results{position:static}.bft-ri .bft-ri-fields{grid-template-columns:minmax(0,1fr)}.bft-ri .bft-ri-hero{padding:23px}.bft-ri .bft-ri-panel,.bft-ri .bft-ri-results{padding:19px}}
@media(prefers-reduced-motion:reduce){.bft-ri *{transition:none!important}}