/* Brick 39 · Final mechanical overview; same theme variables as Steps 1–6. */
.nb-step07-page .nb-step07-hero{display:grid;grid-template-columns:38.2114% minmax(0,1fr);margin-top:12px;min-width:0}
.nb-step07-page .nb-step07-symbol{padding:clamp(14px,2vw,29px);background:var(--nb-wash);border:1px solid var(--nb-rule);border-radius:8px;min-height:310px;display:flex;flex-direction:column;justify-content:space-between;min-width:0;gap:15px}
.nb-step07-page .nb-step07-symbol-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.nb-step07-page .nb-step07-symbol-head strong{font:500 clamp(2.5rem,7vw,7rem)/1 Georgia,serif;letter-spacing:-.04em}
.nb-step07-page .nb-step07-symbol svg{width:100%;max-width:430px;height:auto;align-self:center}
.nb-step07-page .nb-step07-lead{padding:clamp(22px,4vw,68px);display:flex;flex-direction:column;justify-content:center;min-width:0}.nb-step07-page .nb-step07-lead h1{margin:.5em 0 .25em}.nb-step07-page .nb-step07-lead p:not(.nb-deck){font-size:.91rem;line-height:1.65;max-width:66ch}
.nb-step07-page .nb-step07-anchor{display:flex;align-items:center;flex-wrap:wrap;gap:12px 18px;margin-top:16px;font:600 .81rem 'Segoe UI',Arial,sans-serif}
.nb-step07-page .nb-step07-rules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.nb-step07-page .nb-step07-rules article{padding:clamp(17px,2.7vw,27px);min-width:0;border:1px solid var(--nb-rule);border-radius:9px;background:var(--nb-wash)}
.nb-step07-page .nb-step07-rules h3,.nb-step07-page .nb-step07-offerings h3{font:500 clamp(1.35rem,2.2vw,2.15rem)/1.2 Georgia,serif;margin:12px 0}
.nb-step07-page .nb-step07-rules p,.nb-step07-page .nb-step07-offerings p{font-size:.89rem;line-height:1.65;margin:0}
.nb-step07-page .nb-step07-boundary{border-left:4px solid var(--nb-ink);background:var(--nb-wash);padding:13px 16px;margin:18px 0 0;font-size:.84rem;line-height:1.6}
.nb-step07-page .nb-step07-selection-grid,.nb-step07-page .nb-step07-offerings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.nb-step07-page .nb-step07-selection-card,.nb-step07-page .nb-step07-offerings article{min-width:0;padding:clamp(18px,2.6vw,30px);border:1px solid var(--nb-rule);border-radius:9px;display:flex;flex-direction:column}
.nb-step07-page .nb-step07-selection-card h3{font:500 clamp(1.25rem,2vw,1.95rem)/1.2 Georgia,serif;margin:11px 0;overflow-wrap:anywhere}
.nb-step07-page .nb-step07-card-note{font-size:.8rem;line-height:1.6;opacity:.84;margin:0 0 14px}
.nb-step07-page .nb-step07-selection-card dl{margin:auto 0 16px;display:grid;grid-template-columns:1fr;gap:0}
.nb-step07-page .nb-step07-selection-card dl div{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:10px 0;border-top:1px solid var(--nb-rule)}
.nb-step07-page .nb-step07-selection-card dt{font:.78rem/1.4 'Segoe UI',Arial,sans-serif;opacity:.84}.nb-step07-page .nb-step07-selection-card dd{font:600 1rem/1.4 Georgia,serif;text-align:right;margin:0}
.nb-step07-page .nb-step07-selection-card>a{font:700 .82rem/1.4 'Segoe UI',Arial,sans-serif;margin-top:10px}
.nb-step07-page .nb-step07-quote-note{font-size:.81rem;line-height:1.6;max-width:100ch;padding-top:13px;margin:14px 0 0;border-top:1px solid var(--nb-rule)}
.nb-step07-page .nb-step07-offerings article{background:var(--nb-wash)}.nb-step07-page .nb-step07-offer-number{font:700 .72rem/1.4 'Segoe UI',Arial,sans-serif;letter-spacing:.12em}
.nb-step07-page .nb-step07-offerings .nb-step07-offer-terms{margin:18px 0;font-size:.78rem;font-weight:750}.nb-step07-page .nb-step07-offerings a{align-self:flex-start;margin-top:auto;font-size:.82rem;max-width:100%}
.nb-step07-page .nb-step07-extra{margin-top:15px;padding:0;border:1px solid var(--nb-rule);border-radius:8px}.nb-step07-page .nb-step07-extra summary{padding:14px 17px;cursor:pointer;font:700 .85rem/1.4 'Segoe UI',Arial,sans-serif}.nb-step07-page .nb-step07-extra summary span{float:right}.nb-step07-page .nb-step07-extra>div{padding:0 17px 12px;font-size:.82rem;line-height:1.6}
.nb-step07-page .nb-step07-trail{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.86rem;padding-top:20px;margin-top:26px;border-top:1px solid var(--nb-rule)}
.nb-step07-page a:focus-visible,.nb-step07-page summary:focus-visible{outline:3px solid currentColor;outline-offset:3px}
@media(max-width:900px){.nb-step07-page .nb-step07-hero{grid-template-columns:minmax(0,1fr)}.nb-step07-page .nb-step07-symbol{min-height:0}.nb-step07-page .nb-step07-symbol svg{max-height:165px}.nb-step07-page .nb-step07-lead{padding:25px}}
@media(max-width:660px){.nb-step07-page .nb-step07-rules,.nb-step07-page .nb-step07-selection-grid,.nb-step07-page .nb-step07-offerings{grid-template-columns:minmax(0,1fr)}.nb-step07-page .nb-step07-lead{padding:18px}.nb-step07-page .nb-step07-offerings a{width:100%;text-align:center}}

/* Brick 40 · Step 01 reference drawings and separately maintained blade-set prices. */
.nb-step07-page .nb-step07-blade-price{margin:8px 0 12px;padding:17px;background:var(--nb-wash);border:1px solid var(--nb-rule);border-radius:8px}
.nb-step07-page .nb-step07-blade-price strong{display:block;font:500 clamp(1.45rem,2.5vw,2.25rem)/1.2 Georgia,serif;margin:10px 0 5px}
.nb-step07-page .nb-step07-blade-price p{font-size:.80rem;line-height:1.55;max-width:45ch;margin:8px 0 14px}
.nb-step07-page .nb-step07-blade-price .nb-primary-link{display:inline-block;font-size:.82rem;line-height:1.45}
.nb-step07-page .nb-step07-change{align-self:flex-start}
.nb-step07-page .nb-step07-rotor-drawing{min-width:0;margin:18px 0 0;padding:clamp(12px,2.5vw,24px);border:1px solid var(--nb-rule);background:var(--nb-wash);border-radius:9px}
.nb-step07-page .nb-step07-rotor-drawing[hidden]{display:none}
.nb-step07-page .nb-step07-drawing-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.nb-step07-page .nb-step07-drawing-head strong{font:500 1.25rem Georgia,serif}
.nb-step07-page .nb-step07-rotor-drawing figcaption{text-align:center;font-size:.78rem;line-height:1.7;opacity:.84;margin:14px 0 0}
.nb-step07-page .nb-step07-turbine-enquiry{display:flex;justify-content:space-between;align-items:center;gap:24px;border:1px solid var(--nb-rule);border-radius:9px;background:var(--nb-wash);padding:clamp(18px,2.8vw,32px)}
.nb-step07-page .nb-step07-turbine-enquiry h3{font:500 clamp(1.3rem,2.2vw,1.95rem)/1.25 Georgia,serif;margin:10px 0}
.nb-step07-page .nb-step07-turbine-enquiry p{font-size:.88rem;max-width:65ch;line-height:1.6;margin:0}
.nb-step07-page .nb-step07-turbine-enquiry a{flex-shrink:0;font-size:.82rem}
@media(max-width:780px){.nb-step07-page .nb-step07-turbine-enquiry{flex-direction:column;align-items:stretch}.nb-step07-page .nb-step07-turbine-enquiry a{align-self:flex-start}}
@media(max-width:480px){.nb-step07-page .nb-step07-blade-price a,.nb-step07-page .nb-step07-turbine-enquiry a{width:100%;text-align:center}.nb-step07-page .nb-step07-rotor-drawing .step01-views{grid-template-columns:minmax(0,1fr)}}

.nb-step07-page .nb-step07-checks{margin-top:14px;border:1px solid var(--nb-rule);border-radius:8px;padding:0 16px 15px}
.nb-step07-page .nb-step07-checks:not([open]){padding-bottom:0}
.nb-step07-page .nb-step07-checks summary{cursor:pointer;font:700 .9rem/1.5 'Segoe UI',Arial,sans-serif;padding:16px 3px}
.nb-step07-page .nb-step07-checks summary span{float:right;font-size:1rem}
.nb-step07-page .nb-step07-checks summary:focus-visible{outline:3px solid currentColor;outline-offset:2px}

/* Brick 41 · place the chosen Step 01 drawing beside the introduction. */
.nb-step07-page .nb-step07-hero{grid-template-columns:43% minmax(0,1fr);align-items:stretch}
.nb-step07-page .nb-step07-hero-art{min-width:0;display:flex;align-items:stretch;background:var(--nb-wash);border:1px solid var(--nb-rule);border-radius:9px;padding:clamp(10px,1.6vw,19px)}
.nb-step07-page .nb-step07-hero-art .nb-step07-rotor-drawing{width:100%;margin:0;padding:0;border:0;background:transparent;align-self:center}
.nb-step07-page .nb-step07-hero-art .nb-step07-drawing-head strong{font-size:1.1rem}
.nb-step07-page .nb-step07-hero-art .step01-views{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.nb-step07-page .nb-step07-hero-art .step01-mini-view{min-width:0}
.nb-step07-page .nb-step07-hero-art .step01-mini-view svg{width:100%;height:auto}
.nb-step07-page .nb-step07-hero-art .step01-section svg{height:auto;max-height:100px}
.nb-step07-page .nb-step07-hero-art .nb-step07-rotor-drawing figcaption{margin-top:8px;font-size:.70rem}
.nb-step07-page .nb-step07-no-rotor{padding:35px 22px;line-height:1.6;align-self:center}
.nb-step07-page .nb-step07-no-rotor[hidden]{display:none}
.nb-step07-page .nb-step07-requests{margin:0 0 16px;padding:13px 17px;background:var(--nb-wash);border:1px solid var(--nb-rule);border-radius:9px}
.nb-step07-page .nb-step07-requests label{display:block;font:700 .85rem/1.5 'Segoe UI',Arial,sans-serif;margin-bottom:7px}
.nb-step07-page .nb-step07-requests label span{font-weight:400;opacity:.8}
.nb-step07-page .nb-step07-requests textarea{box-sizing:border-box;display:block;width:100%;min-height:56px;padding:10px 12px;color:inherit;background:transparent;border:1px solid var(--nb-rule);border-radius:6px;font:400 .88rem/1.45 'Segoe UI',Arial,sans-serif;resize:vertical}
.nb-step07-page .nb-step07-requests textarea:focus-visible{outline:3px solid currentColor;outline-offset:2px}
.nb-step07-page .nb-step07-requests p,.nb-step07-page .nb-step07-email-note{font-size:.78rem;line-height:1.55;opacity:.86;margin:8px 0 0}
.nb-step07-page .nb-step07-email-note{margin:18px 0 0}
.nb-step07-page .nb-step07-generator-enquire{display:inline-block;align-self:flex-start;margin-top:14px!important}
@media(max-width:900px){.nb-step07-page .nb-step07-hero{grid-template-columns:minmax(0,1fr)}.nb-step07-page .nb-step07-hero-art{max-width:none}}
@media(max-width:480px){.nb-step07-page .nb-step07-hero-art .step01-views{grid-template-columns:1fr}}

/* Brick 42 · Single copyable enquiry instead of email-launch buttons and turbine promotion. */
.nb-step07-page .nb-step07-copy-email{margin:22px 0 14px;padding:clamp(15px,2.5vw,25px);border:1px solid var(--nb-rule);background:var(--nb-wash);border-radius:9px;min-width:0}
.nb-step07-page .nb-step07-copy-intro{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;margin:0 0 16px}
.nb-step07-page .nb-step07-copy-intro h3{font:500 clamp(1.3rem,2vw,1.8rem)/1.2 Georgia,serif;margin:6px 0 0}
.nb-step07-page .nb-step07-copy-intro p{font-size:.82rem;line-height:1.5;margin:0;max-width:47ch}
.nb-step07-page .nb-step07-copy-email label{display:block;font:500 .88rem/1.6 'Segoe UI',Arial,sans-serif;margin:0 0 9px}
.nb-step07-page .nb-step07-copy-email label strong{font-weight:700;overflow-wrap:anywhere}
.nb-step07-page .nb-step07-copy-email textarea{box-sizing:border-box;display:block;width:100%;min-height:240px;padding:15px 17px;border:1px solid var(--nb-rule);border-radius:7px;background:var(--nb-paper,var(--nb-wash));color:var(--nb-ink);font:400 .83rem/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical;overflow:auto}
.nb-step07-page .nb-step07-copy-email textarea:focus-visible{outline:3px solid currentColor;outline-offset:2px}
.nb-step07-page .nb-step07-copy-email>p{font-size:.78rem;line-height:1.6;margin:11px 0 0;opacity:.86}

/* Brick 43 · Step 04-inspired rotor/generator reference cards, theme-aware artwork. */
.nb-step07-page .nb-step07-selection-card{background:var(--nb-wash)}
.nb-step07-page .nb-step07-ref-heading{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:7px 12px;padding-bottom:12px;border-bottom:1px solid var(--nb-rule)}
.nb-step07-page .nb-step07-ref-change{display:inline-flex;align-items:center;min-height:39px;padding:8px 11px;border:1px solid var(--nb-rule);border-radius:5px;background:var(--page-background-color);color:var(--nb-ink);font:700 .79rem/1.35 'Segoe UI',Arial,sans-serif;text-decoration:none}
.nb-step07-page .nb-step07-ref-change:hover{background:var(--nb-surface)}
.nb-step07-page .nb-step07-card-figure{min-width:0;margin:0 0 15px;border:1px solid var(--nb-rule);border-radius:7px;background:var(--page-background-color);display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:238px}
.nb-step07-page .nb-step07-card-rotor svg{display:block;width:min(100%,370px);height:212px;max-width:100%;color:var(--text-color)}
.nb-step07-page .nb-step07-card-rotor svg[hidden]{display:none}
.nb-step07-page #buildRotorSketchBlades path{fill:var(--text-color);stroke:var(--page-background-color);stroke-width:1.5}
.nb-step07-page #buildRotorSketchLens path{stroke:var(--text-color)}
.nb-step07-page .nb-step07-svg-label{font:700 12px 'Segoe UI',Arial,sans-serif;fill:var(--text-color);letter-spacing:.06em}
.nb-step07-page .nb-step07-generator-frame{width:100%;min-width:0;height:212px;display:flex;align-items:center;justify-content:center;padding:10px;box-sizing:border-box}
.nb-step07-page #buildGeneratorDrawing{display:block;max-width:100%;max-height:100%;object-fit:contain;border-radius:2px;background:white}
.nb-step07-page #buildGeneratorDrawing[hidden]{display:none}
.nb-step07-page .nb-step07-card-placeholder{font-size:.84rem;line-height:1.5;max-width:40ch;text-align:center;padding:15px;opacity:.75}
.nb-step07-page .nb-step07-card-placeholder[hidden]{display:none}
.nb-step07-page .nb-step07-card-figure figcaption{width:100%;font-size:.7rem;line-height:1.5;text-align:center;opacity:.8;padding:6px 10px 10px;box-sizing:border-box}
.nb-step07-page .nb-step07-supplier-link{align-self:flex-start}
.nb-step07-page .nb-step07-ref-change:focus-visible{outline:3px solid currentColor;outline-offset:3px}
@media(max-width:600px){.nb-step07-page .nb-step07-card-rotor svg,.nb-step07-page .nb-step07-generator-frame{height:186px}.nb-step07-page .nb-step07-card-figure{min-height:214px}}
/* Keep reference facts directly below each drawing, as in Step 04. */
.nb-step07-page .nb-step07-selection-card dl{margin:0 0 16px}
.nb-step07-page .nb-step07-supplier-link{margin-top:auto!important}

/* Brick 44 · concise request choices, delivery input, static AUD price context. */
.nb-step07-page .nb-step07-copy-email .nb-step07-ask-parts{border:0;padding:0;margin:0 0 16px;display:flex;flex-wrap:wrap;gap:9px 20px;align-items:center;min-width:0}
.nb-step07-page .nb-step07-ask-parts legend{font:700 .87rem/1.5 'Segoe UI',Arial,sans-serif;margin:0 0 8px;padding:0}
.nb-step07-page .nb-step07-copy-email .nb-step07-part-check{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:9px 13px;background:var(--page-background-color);border:1px solid var(--nb-rule);border-radius:6px;font-weight:600;margin:0;cursor:pointer}
.nb-step07-page .nb-step07-part-check input{accent-color:var(--nb-ink);width:18px;height:18px;margin:0;flex:0 0 auto}
.nb-step07-page .nb-step07-customer-fields{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:13px;margin:4px 0 12px}
.nb-step07-page .nb-step07-customer-fields>div{min-width:0}
.nb-step07-page .nb-step07-customer-fields input,.nb-step07-page .nb-step07-customer-fields textarea{box-sizing:border-box;width:100%;display:block;min-width:0;border:1px solid var(--nb-rule);border-radius:6px;padding:11px 12px;background:var(--page-background-color);color:var(--nb-ink);font:400 .86rem/1.5 'Segoe UI',Arial,sans-serif}
.nb-step07-page .nb-step07-customer-fields textarea{resize:vertical;min-height:75px}
.nb-step07-page .nb-step07-copy-email input:focus-visible,.nb-step07-page .nb-step07-copy-email textarea:focus-visible{outline:2px solid var(--nb-ink);outline-offset:2px}
.nb-step07-page .nb-step07-copy-email .nb-step07-delivery-note{font-size:.82rem;line-height:1.6;margin:12px 0 17px;opacity:.89}
.nb-step07-page .nb-step07-fx-note{font-size:.76rem;line-height:1.5;margin:-8px 0 12px;opacity:.85}
@media(max-width:670px){.nb-step07-page .nb-step07-customer-fields{grid-template-columns:minmax(0,1fr)}}