:root{
  --bg:#f5f7f5;
  --surface:#ffffff;
  --surface-2:#eef3ee;
  --text:#172019;
  --muted:#667068;
  --brand:#176b5b;
  --brand-2:#0f463e;
  --accent:#dff5ee;
  --border:#dce4dd;
  --warn:#9b6400;
  --danger:#a12622;
  --shadow:0 18px 50px rgba(23,32,25,.08);
  --radius:18px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
.container{width:min(calc(100% - 32px),var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(145deg,var(--brand),#0f463e);display:grid;place-items:center;color:#fff;font-weight:900;letter-spacing:-.06em;box-shadow:0 8px 22px rgba(23,107,91,.22);position:relative;overflow:hidden}.brand-mark:after{content:"";position:absolute;inset:6px;border:1px solid rgba(255,255,255,.28);clip-path:polygon(8% 16%,82% 0,100% 64%,58% 100%,0 78%)}
.nav-links{display:flex;align-items:center;gap:22px;color:#3f4a42;font-weight:650}
.nav-links a:hover{color:var(--brand)}
.nav-toggle{display:none;border:1px solid var(--border);background:#fff;border-radius:10px;padding:8px 11px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 18px;font-weight:750;cursor:pointer;transition:.2s ease}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(23,107,91,.2)}
.btn-primary:hover{background:var(--brand-2);transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{border-color:#aebbb0;background:#fbfcfb}
.btn-ghost{background:transparent;color:var(--brand);padding-inline:0}
.hero{padding:74px 0 46px;background:radial-gradient(circle at 80% 10%,#dff1e4 0,rgba(223,241,228,0) 34%),linear-gradient(#fff,#f7faf7)}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:var(--accent);color:var(--brand-2);border-radius:999px;padding:7px 11px;font-size:.85rem;font-weight:800}
h1,h2,h3{line-height:1.15;letter-spacing:-.03em;margin:0 0 14px}
h1{font-size:clamp(2.5rem,6vw,5rem);max-width:13ch}
h2{font-size:clamp(1.8rem,3.4vw,3rem)}
h3{font-size:1.25rem}
.lead{font-size:1.13rem;color:#4d5a50;max-width:64ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.trust-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px;color:var(--muted);font-size:.93rem}
.trust-row span{display:flex;gap:7px;align-items:center}
.hero-card{background:#18241c;color:#fff;border-radius:28px;padding:22px;box-shadow:0 30px 70px rgba(18,42,28,.24)}
.mock-map{height:310px;border-radius:20px;background:linear-gradient(135deg,#233b2b 0 27%,#35513d 27% 50%,#49674f 50% 70%,#2d4534 70%);position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.mock-map:before,.mock-map:after{content:"";position:absolute;border:2px solid #72f0d0;background:rgba(52,190,157,.16);transform:rotate(-8deg)}
.mock-map:before{width:180px;height:120px;left:54px;top:67px}
.mock-map:after{width:82px;height:56px;right:42px;bottom:51px;border-color:#ffe07a;background:rgba(255,224,122,.13);transform:rotate(13deg)}
.mock-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.mock-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px}
.mock-stat strong{display:block;font-size:1.05rem}
.mock-stat small{color:#c5d3ca}
.section{padding:62px 0}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}
.section-head p{max-width:650px;color:var(--muted);margin:0}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:0 8px 28px rgba(23,32,25,.035)}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px);transition:.2s ease}
.card-icon{width:44px;height:44px;border-radius:13px;background:var(--accent);display:grid;place-items:center;font-size:1.25rem;margin-bottom:14px}
.card p{color:var(--muted);margin:0 0 12px}
.tag{display:inline-flex;background:#eef3ee;color:#536158;border-radius:999px;padding:5px 9px;font-size:.78rem;font-weight:750;margin:3px}
.band{background:#173221;color:#fff;border-radius:30px;padding:36px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}
.band p{color:#c9d7cd;margin:0}
.steps{counter-reset:step}
.step{position:relative;padding-left:58px}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
.tool-shell{padding:34px 0 64px}
.tool-header{margin-bottom:20px}
.tool-header h1{font-size:clamp(2rem,4vw,3.6rem);max-width:18ch}
.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:12px}
.tool-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,.55fr);gap:20px;align-items:start}
.tool-panel{background:#fff;border:1px solid var(--border);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.tool-panel h2{font-size:1.35rem}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:700;font-size:.92rem}
.field small{color:var(--muted)}
input,select,textarea{width:100%;border:1px solid #cfd9d1;background:#fff;color:var(--text);border-radius:11px;padding:11px 12px;outline:none}
input:focus,select:focus,textarea:focus{border-color:#78a98b;box-shadow:0 0 0 3px rgba(23,107,91,.1)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.result-box{background:#eff8f1;border:1px solid #cfe6d5;border-radius:16px;padding:18px;margin-top:18px}
.result-box .result-main{font-size:2rem;font-weight:850;letter-spacing:-.03em;color:var(--brand-2)}
.result-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:12px}
.result-item{background:#fff;border:1px solid #dce8df;border-radius:12px;padding:12px}
.result-item small{display:block;color:var(--muted)}
.note{border-left:4px solid var(--brand);background:#f2f7f3;padding:14px 16px;border-radius:0 12px 12px 0;color:#48544b}
.warning{border-left-color:#b97900;background:#fff7e7}
.danger{border-left-color:#b53932;background:#fff0ef}
.ad-slot{min-height:98px;border:1px dashed #bcc7bf;background:#f8faf8;border-radius:14px;display:grid;place-items:center;text-align:center;color:#7a867e;font-size:.83rem;padding:12px;margin:18px 0}
.content-block{background:#fff;border:1px solid var(--border);border-radius:18px;padding:26px;margin-top:20px}
.content-block h2{font-size:1.65rem;margin-top:4px}
.content-block h3{margin-top:24px}
.content-block p,.content-block li{color:#465148}
.content-block table{width:100%;border-collapse:collapse;margin:16px 0}
.content-block th,.content-block td{padding:11px;border-bottom:1px solid var(--border);text-align:left}
.faq-item{border-top:1px solid var(--border);padding:18px 0}
.faq-item:first-child{border-top:0}
.map-layout{display:grid;grid-template-columns:340px minmax(0,1fr);gap:16px}
.map-sidebar{display:flex;flex-direction:column;gap:14px}
.map-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px}
.map-card h3{font-size:1.03rem;margin-bottom:10px}
#map{height:660px;border-radius:18px;border:1px solid var(--border);overflow:hidden;background:#dde6df}
.map-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.map-stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.map-stat{padding:10px;background:#f5f8f5;border:1px solid var(--border);border-radius:10px}
.map-stat b{display:block;font-size:1.05rem}.map-stat small{color:var(--muted)}
.status{display:flex;align-items:flex-start;gap:9px;padding:11px;border-radius:11px;background:#f4f6f4;color:#536057;font-size:.9rem}
.status.good{background:#e9f6ed;color:#1d6a3d}.status.bad{background:#fff0ef;color:#962f2a}
.range-row{display:grid;grid-template-columns:1fr 60px;gap:8px;align-items:center}
footer{background:#142019;color:#dbe5dd;margin-top:62px;padding:46px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-grid h4{color:#fff;margin:0 0 12px}.footer-grid a{display:block;color:#b9c8bd;margin:7px 0}.footer-grid p{color:#b9c8bd}.footer-bottom{border-top:1px solid #2f3c33;margin-top:26px;padding-top:20px;color:#9caf9f;font-size:.9rem}
.kicker{font-size:.85rem;color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.muted{color:var(--muted)}
.center{text-align:center}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}
.inline-note{font-size:.84rem;color:var(--muted);margin-top:8px}
.print-only{display:none}
@media(max-width:980px){.hero-grid,.tool-grid,.map-layout{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}#map{height:560px}.footer-grid{grid-template-columns:1fr 1fr}.map-sidebar{order:2}.map-pane{order:1}}
@media(max-width:720px){.nav-links{display:none;position:absolute;left:16px;right:16px;top:64px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-toggle{display:block}.hero{padding-top:48px}.hero-grid{gap:24px}.hero-card{padding:14px}.mock-map{height:240px}.grid-3,.grid-4,.form-grid,.result-grid{grid-template-columns:1fr}.section{padding:44px 0}.section-head{align-items:flex-start;flex-direction:column}.band{grid-template-columns:1fr;padding:26px}.tool-panel{padding:16px}.map-actions{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.container{width:min(calc(100% - 22px),var(--max))}#map{height:500px}}
@media print{.site-header,footer,.ad-slot,.actions,.map-card.controls,.nav-toggle{display:none!important}.container{width:100%}.tool-panel,.content-block{box-shadow:none;border:1px solid #ddd}.print-only{display:block}}

/* Phase 2: original property planning workflow */
.featured-card{border-color:#b7d7c1;background:linear-gradient(180deg,#fff,#f4faf6)}
.planner-shell{display:grid;gap:18px}
.section-head.compact{align-items:center;margin-bottom:16px}.section-head.compact h2{font-size:1.35rem}.section-head.compact p{margin-top:4px}
.space-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.space-summary>div{background:#f5f8f5;border:1px solid var(--border);border-radius:13px;padding:13px}
.space-summary small{display:block;color:var(--muted)}.space-summary strong{display:block;font-size:1.12rem;margin-top:3px}
.progress-track{height:12px;background:#e8eee9;border-radius:99px;overflow:hidden;margin-top:12px}.progress-track span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),#57a975);border-radius:99px;transition:width .25s ease}.progress-track span.over{background:var(--danger)}
.planner-table-head,.planner-row{display:grid;grid-template-columns:160px 1fr 150px 44px;gap:9px;align-items:center}.planner-table-head{font-size:.78rem;font-weight:800;color:var(--muted);padding:0 4px 7px}.planner-row{padding:8px 0;border-top:1px solid var(--border)}
.icon-btn{width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:10px;cursor:pointer;font-size:1.3rem;color:var(--muted)}.icon-btn:hover{color:var(--danger);border-color:#e1b4b1}
.mini-plan-card{background:#f7faf7;border:1px solid var(--border);border-radius:16px;padding:16px}.mini-plan-card .mini-icon{display:block;font-size:1.35rem;margin-bottom:6px}.mini-plan-card small{display:block;color:var(--muted)}.mini-plan-card>strong{display:block;font-size:1.14rem;margin:5px 0 12px}.inline-field label{font-size:.78rem;color:var(--muted)}.inline-field input{padding:8px 9px}
[aria-current="page"]{color:var(--brand)!important}
@media(max-width:720px){.space-summary{grid-template-columns:1fr}.planner-table-head{display:none}.planner-row{grid-template-columns:1fr 1fr 44px}.planner-row select{grid-column:1/3}.planner-row input[type="text"]{grid-column:1/2}.planner-row input[type="number"]{grid-column:2/3}.planner-row .icon-btn{grid-column:3/4;grid-row:2}.section-head.compact{align-items:stretch}.section-head.compact .btn{width:100%}}

/* Phase 3: cost-aware lazy map + usable-land workflow */
.map-stage{position:relative}.map-gate{position:absolute;inset:0;z-index:500;display:grid;place-items:center;text-align:center;padding:24px;border-radius:18px;background:linear-gradient(135deg,rgba(23,50,33,.94),rgba(23,107,91,.88));color:#fff}.map-gate>div{max-width:430px}.map-gate strong{font-size:1.4rem}.map-gate p{color:#d7e7dc}.map-gate.hidden{display:none}
#map:empty:before{content:"Map loads on demand";height:100%;display:grid;place-items:center;color:#617066;font-weight:750;background:linear-gradient(135deg,#edf3ee,#dce8df)}

/* Phase 4: survey/plat image measurement workspace */
.survey-workspace{display:grid;grid-template-columns:330px minmax(0,1fr);gap:18px;align-items:start}
.survey-controls{display:flex;flex-direction:column;gap:14px}
.canvas-shell{background:#1a231d;border:1px solid var(--border);border-radius:18px;padding:12px;min-height:520px;display:grid;place-items:center;overflow:auto}
#survey-canvas{max-width:100%;height:auto;background:#eef2ee;border-radius:12px;cursor:crosshair;box-shadow:0 14px 40px rgba(0,0,0,.18)}
#survey-canvas:not(.ready){min-height:420px;width:100%}
.step-chip{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:800;color:var(--brand-2);background:var(--accent);padding:6px 9px;border-radius:999px;margin-bottom:8px}
.privacy-badge{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid #cfe6d5;background:#f2faf4;border-radius:12px;color:#36513e;font-size:.88rem}
.share-panel{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:16px 0}
.feature-strip>div{background:#f5f8f5;border:1px solid var(--border);border-radius:13px;padding:12px}
.feature-strip b{display:block}
@media(max-width:980px){.survey-workspace{grid-template-columns:1fr}.canvas-shell{min-height:420px;order:1}.survey-controls{order:2}}
@media(max-width:720px){.feature-strip{grid-template-columns:1fr}.canvas-shell{padding:7px;min-height:320px}}

/* Final launch candidate: layout stability and accessibility */
.ad-slot{min-height:250px;contain:layout paint}
:focus-visible{outline:3px solid rgba(23,107,91,.45);outline-offset:3px}
@media(max-width:720px){.ad-slot{min-height:120px}}

/* Validation-ready product workflow */
.workflow-track{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:14px;align-items:stretch}.workflow-card{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:18px;padding:20px}.workflow-card>span{flex:0 0 38px;width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:850}.workflow-card p{color:var(--muted);margin:0}.workflow-arrow{display:grid;place-items:center;color:var(--brand);font-size:1.6rem;font-weight:900}.example-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0}.example-grid>div{background:#f7faf7;border:1px solid var(--border);border-radius:14px;padding:15px}.example-grid small{display:block;color:var(--muted)}.example-grid strong{display:block;font-size:1.2rem;margin:4px 0}.status.warn{background:#fff7e7;color:#7f5600}.fit-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;font-size:.8rem;color:var(--muted)}.fit-legend span{display:inline-flex;align-items:center;gap:6px}.fit-swatch{width:16px;height:10px;border-radius:3px;display:inline-block}.fit-swatch.footprint{background:#ffe07a;border:2px solid #e6a200}.fit-swatch.envelope{background:rgba(23,107,91,.08);border:2px dashed #176b5b}
@media(max-width:980px){.workflow-track{grid-template-columns:1fr}.workflow-arrow{transform:rotate(90deg);min-height:20px}}
@media(max-width:720px){.example-grid{grid-template-columns:1fr}}