/* Field & Farm Calc — shared styles */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&display=swap');
:root{
  --green:#2f5d3a; --green-dark:#24492d; --green-light:#eaf2ec;
  --earth:#8a6d3b; --cream:#faf8f3; --ink:#26301f; --muted:#5c6657;
  --card:#ffffff; --border:#dfe5d8; --accent:#c97b2d; --accent-dark:#a86121;
  --radius:12px; --shadow:0 2px 10px rgba(38,48,31,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--cream);color:var(--ink);line-height:1.65;font-size:17px}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header.site{background:var(--green);color:#fff;padding:14px 0}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}
.logo{font-weight:800;font-size:1.25rem;color:#fff;text-decoration:none;letter-spacing:.2px}
.logo span{color:#e8c98f}
nav.main a{color:#e6efe8;text-decoration:none;margin-left:16px;font-size:.95rem}
nav.main a:hover{color:#fff;text-decoration:underline}
.hero{position:relative;background:linear-gradient(160deg,#35673f 0%,var(--green) 45%,var(--green-dark) 100%);color:#fff;padding:56px 0 62px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;opacity:.12;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='140' viewBox='0 0 260 140'%3E%3Cg fill='none' stroke='%23e8c98f' stroke-width='1.5'%3E%3Cpath d='M0 118 Q65 96 130 118 T260 118'/%3E%3Cpath d='M0 132 Q65 112 130 132 T260 132'/%3E%3Cpath d='M40 96 v-26 M40 76 c0-9-9-11-15-11 0 9 9 13 15 11 M40 82 c0-9 9-11 15-11 0 9-9 13-15 11'/%3E%3Cpath d='M205 96 v-22 M205 80 c0-8-8-10-13-10 0 8 8 12 13 10'/%3E%3C/g%3E%3C/svg%3E");background-size:260px 140px;background-repeat:repeat-x;background-position:bottom}
.hero h1{position:relative;font-family:'Fraunces',Georgia,serif;font-size:2.7rem;line-height:1.18;margin-bottom:12px;letter-spacing:.2px}
.hero p{position:relative;color:#d7e4da;max-width:640px;margin:0 auto;font-size:1.08rem}
.trust{background:var(--green-dark);border-top:1px solid rgba(232,201,143,.25);padding:11px 0;text-align:center;font-size:.8rem;color:#c9d8cd;letter-spacing:.4px}
.trust strong{color:#e8c98f;font-weight:700}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--green-light);border:1px solid #c9dccd;color:var(--green-dark);font-size:.8rem;font-weight:600;padding:5px 12px;border-radius:20px;margin-bottom:20px}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
main{padding:36px 0 56px}
h1.page{font-size:1.75rem;line-height:1.3;margin-bottom:6px}
.sub{color:var(--muted);margin-bottom:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin-top:28px}
.card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 22px 22px;box-shadow:var(--shadow);text-decoration:none;color:var(--ink);display:block;transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--green),var(--accent));opacity:0;transition:opacity .15s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(38,48,31,.15);border-color:#c9dccd}
.card:hover::before{opacity:1}
.card .icon{width:44px;height:44px;border-radius:11px;background:var(--green-light);display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.card .icon svg{width:26px;height:26px;stroke:var(--green);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h2,.card h3{font-family:'Fraunces',Georgia,serif;font-size:1.16rem;margin:10px 0 6px;color:var(--green-dark)}
.card p{font-size:.92rem;color:var(--muted)}
.calc{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:34px}
.calc h2{font-size:1.15rem;margin-bottom:16px;color:var(--green-dark)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:.95rem;margin-bottom:5px}
.field .hint{font-weight:400;color:var(--muted);font-size:.85rem}
.field input[type=number],.field select{width:100%;max-width:340px;padding:10px 12px;font-size:1rem;border:1px solid #c4cdbd;border-radius:8px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid var(--green);outline-offset:1px}
.row{display:flex;gap:16px;flex-wrap:wrap}
.row .field{flex:1;min-width:180px}
button.go{background:var(--accent);color:#fff;border:none;font-size:1.05rem;font-weight:700;padding:12px 26px;border-radius:8px;cursor:pointer;margin-top:6px;box-shadow:0 2px 6px rgba(201,123,45,.35);transition:transform .12s ease, box-shadow .12s ease, background .12s ease}
button.go:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 5px 14px rgba(201,123,45,.4)}
button.go:active{transform:translateY(0);box-shadow:0 2px 5px rgba(201,123,45,.35)}
h1.page{font-family:'Fraunces',Georgia,serif}
article.explain h2{font-family:'Fraunces',Georgia,serif}
.result{display:none;margin-top:22px;background:var(--green-light);border:1px solid #c9dccd;border-left:5px solid var(--green);border-radius:var(--radius);padding:20px}
.result.show{display:block;animation:resultIn .35s cubic-bezier(.2,.8,.3,1)}
@keyframes resultIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}
.result .big{font-size:2.15rem;font-weight:800;color:var(--green-dark);line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.result .unit{font-size:1rem;font-weight:600;color:var(--muted)}
.result table{width:100%;border-collapse:collapse;margin-top:12px;font-size:.95rem}
.result th,.result td{text-align:left;padding:7px 10px;border-bottom:1px solid #cfdfd3}
.result th{color:var(--green-dark);font-size:.85rem;text-transform:uppercase;letter-spacing:.4px}
article.explain{margin-top:8px}
article.explain h2{font-size:1.35rem;margin:30px 0 10px;color:var(--green-dark)}
article.explain h3{font-size:1.1rem;margin:22px 0 8px}
article.explain p{margin-bottom:14px}
article.explain ul,article.explain ol{margin:0 0 14px 24px}
article.explain li{margin-bottom:6px}
article.explain table{width:100%;border-collapse:collapse;margin:10px 0 18px;font-size:.95rem;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden}
article.explain th,article.explain td{padding:9px 12px;border-bottom:1px solid var(--border);text-align:left}
article.explain th{background:var(--green-light);color:var(--green-dark)}
.note{background:#fdf6ec;border-left:4px solid var(--accent);padding:12px 16px;border-radius:0 8px 8px 0;margin:16px 0;font-size:.93rem}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--green);text-decoration:none}
footer.site{background:var(--green-dark);color:#c9d8cd;padding:28px 0;font-size:.88rem}
footer.site a{color:#e8f0ea}
footer.site .links{margin-bottom:10px}
footer.site .links a{margin-right:16px;text-decoration:none}
footer.site .links a:hover{text-decoration:underline}
.disclaimer{font-size:.8rem;color:#a7bcac;margin-top:8px}
@media(max-width:600px){
  .hero h1{font-size:1.75rem}
  h1.page{font-size:1.4rem}
  body{font-size:16px}
}
/* --- Wave 2 additions --- */
.warnbox{background:#fdecec;border-left:4px solid #c0392b;padding:12px 16px;border-radius:0 8px 8px 0;margin:16px 0;font-size:.92rem}
.srcline{font-size:.78rem;color:var(--muted);margin-top:14px;border-top:1px dashed var(--border);padding-top:10px}
.datawrap{overflow-x:auto}
.datawrap table{min-width:640px}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tag-study{display:inline-block;font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:12px;background:var(--green-light);color:var(--green-dark)}
.tag-est{display:inline-block;font-size:.68rem;font-weight:700;padding:2px 8px;border-radius:12px;background:#fdf6ec;color:var(--accent-dark)}
.sechead{font-family:'Fraunces',Georgia,serif;font-size:1.3rem;color:var(--green-dark);margin:34px 0 4px}