/* Fuel cell sizing calculator and enquiry (components/tool-fuelcell.jsx, page-fuelcell.jsx).
   Used by fuel-cell-calculator.html and the "Fuel Cell Sizing" tab on tools.html.
   Class-based so the inline-style overrides in responsive.css don't apply. Load after responsive.css. */

/* Standalone page: hero and section */
.fc-hero{padding:72px 0 56px;border-bottom:1px solid var(--line)}
.fc-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:64px;align-items:center}
.fc-eyebrow{color:var(--petal-blue);margin-bottom:20px}
.fc-h1{font-size:clamp(44px,5.6vw,84px);margin:0;font-weight:340;line-height:.98;letter-spacing:-.025em}
.fc-h1 em{color:var(--petal-blue)}
.fc-lead{font-size:19px;line-height:1.55;color:var(--ink-soft);margin:24px 0 0;max-width:52ch}
.fc-steps{background:var(--bg-card);border:1px solid var(--line);border-radius:4px;padding:24px 28px}
.fc-steps ol{list-style:none;margin:0;padding:0;counter-reset:s}
.fc-steps li{counter-increment:s;display:grid;grid-template-columns:34px minmax(0,1fr);row-gap:2px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.5;color:var(--ink-soft)}
.fc-steps li:last-child{border-bottom:0;padding-bottom:4px}
.fc-steps li::before{content:counter(s,decimal-leading-zero);grid-row:span 2;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--petal-blue);padding-top:3px}
.fc-steps strong{display:block;color:var(--ink);font-weight:600}
.fc-calc{padding:56px 0 96px}

/* The tool: inputs and results */
.fc-stack{display:flex;flex-direction:column;gap:28px}
.fc-inputs{background:var(--bg-card);border:1px solid var(--line);border-radius:4px;padding:10px 32px 24px}
.fc-pills{display:grid;grid-template-columns:repeat(var(--cols,2),minmax(0,1fr));gap:8px;margin-bottom:18px}
.fc-pills-apps{--cols:7}
.fc-groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0 36px;border-top:1px solid var(--line);padding-top:4px}
.fc-group{min-width:0}
.fc-assumptions{border-top:1px solid var(--line);padding:12px 0 0;margin-top:2px}
.fc-assumptions summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--ink);padding:4px 0}
.fc-assumptions-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:0 36px;padding-top:14px}
.fc-input-summary{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 28px;margin-top:16px;padding:14px 18px;border-radius:4px;font-size:14px;color:var(--ink-soft);background:color-mix(in oklab,var(--petal-blue) 7%,var(--bg));border:1px solid color-mix(in oklab,var(--petal-blue) 25%,var(--line))}
.fc-input-summary strong{color:var(--petal-blue);font-weight:600}
.fc-input-summary a{margin-left:auto;color:var(--petal-blue);font-weight:600;text-decoration:none}
.fc-results{min-width:0;scroll-margin-top:90px}
.fc-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}
.fc-results-lower{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:14px;align-items:start}

/* Enquiry form */
.fc-enquiry{margin-top:72px;scroll-margin-top:90px}
.fc-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:56px;align-items:end;margin-bottom:36px}
.fc-intro{font-size:16px;line-height:1.6;color:var(--ink-soft);margin:0}
.fc-enq-card{background:var(--bg-card);border:1px solid var(--line);border-radius:4px;padding:40px 44px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;align-items:start}
.fc-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 18px}
.fc-form .fc-wide{grid-column:1/-1}
.fc-field label{display:block;font-family:'Inter',sans-serif;font-size:11px;text-transform:uppercase;letter-spacing:.12em;font-weight:600;color:var(--ink-mute);margin-bottom:6px}
.fc-field input,.fc-field select,.fc-field textarea{width:100%;min-width:0;padding:10px 12px;border:1px solid var(--line);border-radius:3px;background:var(--bg);color:var(--ink);font-family:'Inter',sans-serif;font-size:14px}
.fc-field textarea{min-height:110px;resize:vertical}
.fc-field input:focus,.fc-field select:focus,.fc-field textarea:focus{outline:2px solid color-mix(in oklab,var(--petal-blue) 60%,transparent);outline-offset:1px}
.fc-consent{display:flex;gap:10px;align-items:flex-start;font-family:'Inter',sans-serif;font-size:13px;line-height:1.5;color:var(--ink-soft);margin:0}
.fc-consent input{margin-top:3px;flex:none}
.fc-hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fc-summary{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:22px 24px}
.fc-summary table{width:100%;border-collapse:collapse;font-family:'Inter',sans-serif;font-size:13px}
.fc-summary th,.fc-summary td{text-align:left;vertical-align:top;padding:7px 0;border-bottom:1px solid var(--line);line-height:1.45}
.fc-summary th{font-weight:600;color:var(--ink-mute);width:38%;padding-right:12px;text-transform:uppercase;font-size:10px;letter-spacing:.1em}
.fc-summary td{color:var(--ink)}
.fc-sent{background:color-mix(in oklab,var(--petal-blue) 8%,var(--bg-card));border:1px solid color-mix(in oklab,var(--petal-blue) 35%,var(--line));border-radius:4px;padding:28px 32px}

/* Business card scan */
.fc-scan{border:1px dashed color-mix(in oklab,var(--petal-blue) 45%,var(--line));border-radius:4px;padding:14px 16px;background:color-mix(in oklab,var(--petal-blue) 4%,var(--bg-card))}
.fc-scan-row{display:flex;align-items:center;gap:12px 16px;flex-wrap:wrap}
.fc-scan-btn{padding:11px 18px;border-color:var(--petal-blue);color:var(--petal-blue)}
.fc-scan-btn:hover{background:var(--petal-blue);color:#fff}
.fc-scan-btn:disabled{opacity:.6;cursor:progress}
.fc-scan-hint{flex:1;min-width:200px;font-size:12.5px;line-height:1.5;color:var(--ink-mute)}
.fc-scan-status{display:flex;gap:14px;align-items:flex-start;margin-top:12px;padding:12px 14px;border-radius:4px;background:var(--bg);border:1px solid var(--line);color:var(--ink)}
.fc-scan-done{border-color:color-mix(in oklab,var(--petal-green) 45%,var(--line));background:color-mix(in oklab,var(--petal-green) 7%,var(--bg))}
.fc-scan-error{border-color:color-mix(in oklab,var(--clay) 40%,var(--line));background:color-mix(in oklab,var(--clay) 7%,var(--bg))}
.fc-scan-thumb{width:72px;height:46px;object-fit:cover;border-radius:3px;border:1px solid var(--line);flex:none}
.fc-scan-bar{height:4px;border-radius:2px;background:var(--line);margin-top:8px;overflow:hidden}
.fc-scan-bar span{display:block;height:100%;background:var(--petal-blue);transition:width .3s ease}
.fc-linkbtn{background:none;border:0;padding:0;font-family:'Inter',sans-serif;font-size:12.5px;font-weight:600;color:var(--petal-blue);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.fc-field.fc-filled input{background:color-mix(in oklab,var(--petal-blue) 7%,var(--bg));border-color:color-mix(in oklab,var(--petal-blue) 45%,var(--line))}
.fc-from-card{text-transform:none;letter-spacing:0;font-weight:500;color:var(--petal-blue)}

@media (max-width:1199px){.fc-pills-apps{--cols:4}.fc-groups{grid-template-columns:repeat(2,minmax(0,1fr))}.fc-enq-card{padding:32px}}
@media (max-width:960px){.fc-hero-grid,.fc-enq-card,.fc-head,.fc-results-lower{grid-template-columns:1fr;gap:28px}.fc-results-lower{gap:14px}}
@media (max-width:768px){.fc-h1{font-size:clamp(36px,10vw,52px)}.fc-lead{font-size:17px}.fc-form{grid-template-columns:1fr}.fc-enq-card{padding:24px 20px}.fc-inputs{padding:4px 16px 16px}.fc-pills-apps{--cols:2}.fc-groups{grid-template-columns:1fr}.fc-steps{padding:20px}.fc-sent{padding:22px 20px}.fc-head{margin-bottom:24px}.fc-input-summary a{margin-left:0}.fc-enquiry{margin-top:48px}}
@media (max-width:420px){.fc-tiles{grid-template-columns:1fr}}