:root{
  --green:#82969B; --green-dk:#5f7075; --ink:#2b2f31; --paper:#f7f6f2;
  --card:#ffffff; --line:#e4e1d8; --ok:#3f8f5b; --bad:#c1584e; --muted:#8a8f8f;
  --shadow:0 1px 3px rgba(43,47,49,.08),0 6px 24px rgba(43,47,49,.06);
}
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,700&display=swap');
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'DM Sans',Tahoma,system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--green-dk)}
img{max-width:100%}
.wrap{max-width:920px;margin:0 auto;padding:0 18px}
.hidden{display:none!important}

/* header */
header.top{position:sticky;top:0;z-index:20;background:rgba(247,246,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:60px}
.brand{font-weight:700;letter-spacing:.02em;font-size:19px}
.brand b{color:var(--green-dk)}
.brand .dot{color:var(--green)}
.top nav{margin-left:auto;display:flex;gap:8px;align-items:center}
.btn{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:10px;padding:9px 14px;font:inherit;font-weight:500;cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--green)}
.btn.primary{background:var(--green);border-color:var(--green);color:#fff}
.btn.primary:hover{background:var(--green-dk);border-color:var(--green-dk)}
.btn.ghost{background:transparent}
.btn.sm{padding:6px 10px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* hero */
.hero{padding:54px 0 30px}
.hero h1{font-size:40px;line-height:1.08;margin:0 0 14px;letter-spacing:-.01em}
.hero h1 .g{color:var(--green-dk)}
.hero p.lead{font-size:18px;color:#4a4f50;max-width:640px;margin:0 0 22px}
.hero .strap{font-size:14px;color:var(--muted);border-left:3px solid var(--green);padding-left:12px;margin:22px 0;max-width:560px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}

.pill{display:inline-block;background:#eef1f1;color:var(--green-dk);border-radius:100px;padding:4px 12px;font-size:12.5px;font-weight:600;margin-bottom:18px}

/* feature grid */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:34px 0}
.feat .c{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}
.feat .c h3{margin:.2em 0 .3em;font-size:16px}
.feat .c p{margin:0;font-size:13.5px;color:#5c6061}
.feat .c .ic{width:34px;height:34px;border-radius:9px;background:#eef1f1;display:grid;place-items:center;color:var(--green-dk);font-size:18px}

/* section */
section.sec{padding:26px 0}
h2.sech{font-size:24px;margin:0 0 4px;letter-spacing:-.01em}
.sub{color:var(--muted);margin:0 0 20px;font-size:14.5px}

/* phase progress */
.phasebar{display:flex;gap:6px;margin:18px 0 8px;flex-wrap:wrap}
.phasebar .p{flex:1;min-width:120px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
.phasebar .p.active{border-color:var(--green);box-shadow:var(--shadow)}
.phasebar .p .lab{font-weight:600;font-size:13.5px}
.phasebar .p .cnt{font-size:12px;color:var(--muted)}
.phasebar .p .mini{height:5px;background:#eee;border-radius:4px;margin-top:8px;overflow:hidden}
.phasebar .p .mini i{display:block;height:100%;background:var(--green)}

/* checklist */
.item{background:var(--card);border:1px solid var(--line);border-radius:14px;margin:12px 0;box-shadow:var(--shadow);overflow:hidden;scroll-margin-top:74px}
.item .head{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;cursor:pointer}
.item .head .st{width:26px;height:26px;border-radius:50%;border:2px solid var(--line);flex:0 0 auto;display:grid;place-items:center;font-size:14px;margin-top:2px}
.item.pass .head .st{background:var(--ok);border-color:var(--ok);color:#fff}
.item.fail .head .st{background:var(--bad);border-color:var(--bad);color:#fff}
.item .head .tt{flex:1}
.item .head .tt .t{font-weight:600;font-size:16px}
.item .head .tt .w{color:#5c6061;font-size:13.5px;margin-top:2px}
.tag{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:3px 8px;border-radius:6px}
.tag.home{background:#eef4ef;color:#3f8f5b}
.tag.pro{background:#eef1f5;color:#4a6a8f}
.tag.photo{background:#f5eeef;color:#b06a4e}
.tags{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.item .body{padding:0 18px 18px;border-top:1px solid var(--line);display:none}
.item.open .body{display:block}
.item .body .row{display:grid;grid-template-columns:1fr 320px;gap:20px;margin-top:16px}
@media(max-width:720px){.item .body .row{grid-template-columns:1fr}}
.kv{margin:10px 0}
.kv .k{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
.kv .v{font-size:14px}
.target{background:#eef1f1;border-radius:10px;padding:10px 12px;font-size:13.5px;border-left:3px solid var(--green)}
.schematic{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:10px}
.schematic .cap{font-size:12px;color:var(--muted);margin-top:4px;text-align:center}
.statusrow{display:flex;gap:8px;margin:14px 0;flex-wrap:wrap}
.photos{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.photos .ph{width:84px;height:84px;border-radius:10px;object-fit:cover;border:1px solid var(--line)}
.uploader{border:1px dashed var(--green);border-radius:10px;padding:12px;text-align:center;font-size:13px;color:var(--green-dk);cursor:pointer;background:#fafbfb}
.field{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;background:#fff}
textarea.field{min-height:60px;resize:vertical}
.src{font-size:11.5px;color:var(--muted);margin-top:12px}

/* auth + modal */
.modal{position:fixed;inset:0;background:rgba(43,47,49,.45);display:grid;place-items:center;z-index:50;padding:18px}
.modal .box{background:#fff;border-radius:16px;max-width:420px;width:100%;padding:26px;box-shadow:var(--shadow)}
.modal h3{margin:0 0 4px}
.modal .m{color:var(--muted);font-size:13.5px;margin:0 0 16px}
.modal .field{margin:8px 0}
.err{color:var(--bad);font-size:13px;min-height:18px}

/* scorecard */
.scorecard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow);margin:16px 0}
.gauge{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.ring{--pct:0;width:120px;height:120px;border-radius:50%;background:conic-gradient(var(--green) calc(var(--pct)*1%),#e9e7df 0);display:grid;place-items:center}
.ring .in{width:92px;height:92px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center}
.ring .in b{font-size:26px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:#5c6061;margin-top:8px}
.dot2{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;vertical-align:middle}

footer{padding:40px 0;color:var(--muted);font-size:13px;text-align:center;border-top:1px solid var(--line);margin-top:40px}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;z-index:60;opacity:0;transition:.2s;pointer-events:none}
.toast.show{opacity:1}
@media(max-width:720px){.hero h1{font-size:30px}.feat{grid-template-columns:1fr}}