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img{object-fit:contain;width:100%;height:100%}.name-definition{max-width:470px;color:var(--muted);margin-top:26px;font-size:14px}.name-definition strong{color:var(--ink);letter-spacing:.06em;font-weight:600}.name-definition span{margin-top:3px;display:block}.survey-workflow{border-block:1px solid var(--line);background:#eaf0f3}.survey-sequence{border-block:1px solid #beced6;grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 64px;padding:0;list-style:none;display:grid}.survey-sequence li{grid-template-columns:36px 1fr;gap:5px 12px;padding:22px 24px;display:grid}.survey-sequence li+li{border-left:1px solid #beced6}.survey-sequence span{color:var(--accent);grid-row:1/3;font-size:14px}.survey-sequence strong{font-size:18px;font-weight:500}.survey-sequence small{color:var(--muted);font-size:14px}.method-panel{grid-template-columns:1fr 1.3fr;align-items:center;gap:56px;display:grid}.method-panel+.method-panel{border-top:1px solid #beced6;margin-top:80px;padding-top:80px}.method-copy h3,.interpretation-step h3{margin-bottom:24px;font-size:32px}.method-copy p,.method-steps,.interpretation-step p{color:var(--muted);font-size:16px}.method-copy .eyebrow,.interpretation-step .eyebrow{color:var(--accent);font-size:12px}.method-copy .small-note{border-left:2px solid #7da2b0;margin-block:24px 10px;padding-left:16px;font-size:13px}.method-copy>.text-link{margin-top:15px}.method-steps{margin:24px 0 0;padding-left:21px}.method-steps li{margin-top:16px;padding-left:5px;line-height:1.65}.method-steps strong{color:var(--ink);font-weight:500}.method-figure{background:#f5f7f7;border:1px solid #bdced6;border-radius:8px;overflow:hidden}.diagram-heading{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;display:flex}.diagram-heading strong{font-size:16px;font-weight:500}.diagram-heading span{color:var(--muted);font-size:12px}.survey-diagram{width:100%;height:auto;font-family:var(--font-sans);display:block}.method-figure figcaption{font-size:13px}.diagram-key{color:var(--ink);flex-wrap:wrap;align-items:center;gap:9px;margin:0 0 10px;display:flex}.diagram-key i{border-radius:3px;width:14px;height:14px;display:inline-block}.key-route{background:#17617a}.key-response{background:#b77942;margin-left:10px}.method-switch{gap:6px;padding:16px 20px 0;display:flex}.method-switch button{font:500 14px var(--font-sans);min-height:44px;color:var(--ink);cursor:pointer;background:#fff;border:1px solid #78939f;border-radius:4px;padding:10px 20px}.method-switch button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}.method-switch button:hover{box-shadow:0 0 0 1px var(--accent)}.channel-explanation{background:#e4edf2;margin:0 20px 20px;padding:18px;display:grid}.channel-explanation p{grid-area:1/1}.channel-explanation p[aria-hidden=true]{visibility:hidden}.channel-explanation p{color:var(--ink);font-size:15px}.channel-explanation strong{margin-bottom:8px;font-weight:500;display:block}[data-hirt-mode=induction] .field-resistivity,[data-hirt-mode=resistivity] .field-induction{display:none}.interpretation-step{border-top:1px solid #beced6;grid-template-columns:1fr 1.3fr;gap:56px;margin-top:64px;padding-top:48px;display:grid}.interpretation-step .text-link{margin-top:18px}@media(max-width:1180px)and (min-width:1025px){.desktop-links{display:none}.nav-contact{margin-left:auto}.mobile-navigation{display:block;position:relative}.mobile-navigation summary{cursor:pointer;min-height:44px;padding:12px 4px;font-size:14px;font-weight:500}.mobile-navigation>div{border:1px solid var(--line);background:var(--paper);width:240px;padding:10px;display:grid;position:absolute;top:calc(100% + 15px);right:0;box-shadow:0 10px 30px #2b343b15}.mobile-navigation a{padding:12px;font-size:14px}}@media(max-width:1000px){.method-panel,.interpretation-step{grid-template-columns:1fr;gap:32px}.method-panel+.method-panel{margin-top:48px;padding-top:48px}.method-figure{width:100%}.channel-explanation{min-height:0}}@media(max-width:550px){.name-definition{margin-top:20px;font-size:14px}.survey-sequence{grid-template-columns:1fr;margin-bottom:40px}.survey-sequence li{padding:18px 6px}.survey-sequence li+li{border-top:1px solid #beced6;border-left:0}.method-copy h3,.interpretation-step h3{font-size:28px}.method-copy h3 br,.interpretation-step h3 br{display:none}.diagram-heading{gap:5px;padding:14px 16px}.diagram-heading strong{font-size:16px}.diagram-heading span{width:100%}.method-switch{padding:14px 14px 0}.method-switch button{flex:1;padding-inline:10px}.channel-explanation{margin:0 14px 14px;padding:14px}.channel-explanation p{font-size:14px}.diagram-key{gap:7px}.diagram-key .key-response{margin-left:0}.method-figure figcaption{font-size:13px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}