.dupont-hero{padding:58px 0}
.dupont-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:end}
.dupont-hero h1{margin-bottom:12px}
.hero-eyebrow{color:#e6c879;margin-bottom:12px}
.formula-strip{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:10px;align-items:center;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:18px;color:#fff;font-size:13px;text-align:center}
.formula-strip span{font-weight:800}.formula-strip b{color:#e7cb86;font-size:18px}
.dupont-section{padding-top:58px;background:linear-gradient(180deg,#f7f9fb 0,#fff 360px)}
.tool-intro{display:grid;grid-template-columns:1.35fr .65fr;gap:30px;align-items:end;margin-bottom:26px}
.tool-intro h2{font-size:38px;margin-bottom:9px}.tool-intro p{color:var(--muted);margin:0;max-width:760px}
.class-note{border-left:4px solid var(--gold);background:var(--gold-soft);padding:16px 18px;border-radius:0 14px 14px 0;display:flex;flex-direction:column;gap:4px;color:#4b432f;font-size:14px}.class-note strong{color:var(--navy)}
.ticker-form{display:grid;grid-template-columns:1fr auto 1fr auto;gap:14px;align-items:end;background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 28px rgba(16,43,70,.07)}
.ticker-form label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:800;color:var(--navy)}
.ticker-form label em{font-weight:600;color:var(--muted)}
.ticker-form input{height:48px;border:1px solid #bdc9d4;border-radius:10px;padding:0 14px;font:800 18px/1 ui-sans-serif,system-ui;text-transform:uppercase;color:var(--ink);background:#fff;outline:none}
.ticker-form input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(16,43,70,.10)}
.vs-mark{padding:0 2px 13px;color:#7b8793;font-weight:800}.analyze-btn{height:48px;cursor:pointer;font-size:15px}.analyze-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.field-help{font-size:13px;color:var(--muted);margin:9px 2px 0}
.example-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:22px 0 4px;font-size:13px;color:var(--muted)}
.example-row>span{font-weight:800;color:#526171}.example-chip{border:1px solid var(--line);background:#fff;color:var(--navy);padding:7px 11px;border-radius:999px;font:700 12px/1.2 ui-sans-serif,system-ui;cursor:pointer}.example-chip:hover{border-color:#9eacba;background:var(--bluewash)}
.status{min-height:28px;margin-top:17px;color:var(--muted);font-size:14px}.status.loading::before{content:"";display:inline-block;width:13px;height:13px;border:2px solid #c3ccd5;border-top-color:var(--navy);border-radius:50%;margin-right:8px;vertical-align:-2px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.error-box{margin:14px 0 24px;background:#fff4f2;border:1px solid #ecc2ba;color:#7a2f25;padding:16px 18px;border-radius:12px;font-size:14px}
.analysis-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 34px rgba(16,43,70,.07);overflow:hidden;margin:15px 0 26px}
.analysis-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;padding:25px 26px;border-bottom:1px solid var(--line)}
.company-id{display:flex;align-items:center;gap:14px}.ticker-badge{display:grid;place-items:center;min-width:66px;height:44px;padding:0 12px;background:var(--navy);color:#fff;border-radius:10px;font-weight:900;letter-spacing:.04em}.company-name{font-weight:850;color:var(--navy);font-size:19px;line-height:1.2}.period-label{color:var(--muted);font-size:12px;margin-top:4px}.roe-block{text-align:right}.roe-label{text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:850;color:var(--muted)}.roe-value{font-size:34px;line-height:1;font-weight:900;color:var(--navy);letter-spacing:-.04em}.roe-value.na{font-size:20px;color:#8a4d43}
.warning-stack{padding:0 26px}.warning{margin-top:18px;padding:13px 15px;border-radius:11px;font-size:13px;border-left:4px solid #c28d31;background:#fff8e8;color:#654d20}.warning.high{border-left-color:#b75a4c;background:#fff1ef;color:#74382f}
.dupont-equation{display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;gap:13px;align-items:stretch;padding:26px}
.metric{background:#f7f9fb;border:1px solid #e1e6eb;border-radius:16px;padding:18px;text-align:center;min-width:0}.metric.roe{background:var(--navy);border-color:var(--navy);color:#fff}.metric-name{font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.06em;color:#617080;min-height:38px;display:flex;align-items:center;justify-content:center}.metric.roe .metric-name{color:#dbe4ed}.metric-value{font-size:30px;line-height:1;font-weight:900;color:var(--navy);letter-spacing:-.035em;margin:10px 0 6px}.metric.roe .metric-value{color:#fff}.metric-formula{font-size:11px;color:#7d8994}.metric.roe .metric-formula{color:#cbd8e4}.operator{align-self:center;font-size:24px;font-weight:900;color:#9a7c39}
.insight-box{margin:0 26px 24px;padding:18px 20px;border-radius:14px;background:var(--bluewash);color:#344a5e;font-size:14px}.insight-box strong{display:block;color:var(--navy);margin-bottom:4px}
.details-wrap{border-top:1px solid var(--line);padding:0 26px 24px}.details-wrap details{margin-top:18px}.details-wrap summary{cursor:pointer;font-weight:850;color:var(--navy);font-size:14px}.numbers-table,.compare-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:13px}.numbers-table th,.numbers-table td,.compare-table th,.compare-table td{padding:10px 11px;border-bottom:1px solid #e6ebef;text-align:right}.numbers-table th:first-child,.numbers-table td:first-child,.compare-table th:first-child,.compare-table td:first-child{text-align:left}.numbers-table th,.compare-table th{color:#526271;font-size:11px;text-transform:uppercase;letter-spacing:.05em}.source-line{margin-top:14px;font-size:12px;color:var(--muted)}.source-line a{font-weight:800;color:var(--navy)}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;margin:0 0 26px;box-shadow:0 12px 34px rgba(16,43,70,.07)}.compare-card h3{font-size:26px;margin-bottom:7px}.compare-sub{color:var(--muted);font-size:14px;margin:0 0 16px}.compare-table td.highlight{background:#f6f0df;font-weight:850;color:var(--navy)}.compare-insight{margin-top:18px;padding:16px 18px;background:var(--navy);color:#e6eef5;border-radius:13px;font-size:14px}.compare-insight strong{color:#fff}
.method-card{margin-top:44px;border-top:1px solid var(--line);padding-top:36px;display:grid;grid-template-columns:.55fr 1.45fr;gap:30px}.method-card h3{font-size:26px}.method-equations{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.method-equations p{margin:0;padding:10px 0;border-bottom:1px solid #e5e9ed;color:#455565;font-size:14px}.method-footnote{grid-column:1/-1;color:var(--muted);font-size:12px;margin:0}
@media(max-width:900px){.dupont-hero-grid,.tool-intro,.method-card{grid-template-columns:1fr}.formula-strip{margin-top:4px}.ticker-form{grid-template-columns:1fr 1fr auto}.vs-mark{display:none}.analyze-btn{grid-column:3}.dupont-equation{grid-template-columns:1fr 1fr;}.operator{display:none}.metric.roe{grid-column:1/-1}.method-equations{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.formula-strip{grid-template-columns:1fr;gap:5px}.formula-strip b{font-size:13px}.ticker-form{grid-template-columns:1fr}.analyze-btn{grid-column:auto}.analysis-head{display:block}.roe-block{text-align:left;margin-top:18px}.dupont-equation{grid-template-columns:1fr}.metric.roe{grid-column:auto}.warning-stack,.dupont-equation,.details-wrap{padding-left:17px;padding-right:17px}.insight-box{margin-left:17px;margin-right:17px}.method-equations{grid-template-columns:1fr}.numbers-table,.compare-table{font-size:12px}.numbers-table th,.numbers-table td,.compare-table th,.compare-table td{padding:8px 6px}}