:root{
  --copper:#C56C2D;
  --copper-deep:#9B4F18;
  --amber:#E8A33A;
  --cream:#FBF6EE;
  --cream-2:#F3E9D6;
  --ink:#1F1410;
  --ink-2:#3C2A1F;
  --hop:#5B7C3A;
  --hop-bright:#7DA84E;
  --danger:#B8462E;
  --line:#E2D4BB;
  --radius:14px;
  --shadow: 0 8px 28px rgba(31,20,16,0.10);
  --serif: 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--cream);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--copper-deep);text-decoration:none}
a:hover{text-decoration:underline}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 28px;
  border-bottom:1px solid var(--line);
  background:var(--cream);
  position:sticky;top:0;z-index:50;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:22px;font-weight:600;color:var(--ink)}
.brand-logo{width:32px;height:32px;border-radius:8px}
.topnav a{margin-left:18px;color:var(--ink-2);font-size:15px;font-weight:500}
.topnav a.active{color:var(--copper-deep);border-bottom:2px solid var(--copper)}

.tool-wrap{max-width:760px;margin:0 auto;padding:36px 20px 80px}

.tool-hero h1{
  font-family:var(--serif);font-weight:600;
  font-size:clamp(28px, 4vw, 40px);
  line-height:1.15;margin:0 0 12px;
}
.tool-hero .lead{font-size:17px;color:var(--ink-2);margin:0 0 28px;max-width:60ch}

.tool-card,.result-card,.recent-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  margin-bottom:24px;
  box-shadow:var(--shadow);
}

.grid-form{display:flex;flex-direction:column;gap:18px}
.row{display:flex;flex-direction:column;gap:6px}
.row.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row label{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:600;color:var(--ink-2)}
.row label span{font-size:13px;letter-spacing:.02em;text-transform:uppercase;color:var(--ink-2);font-weight:600}
input[type="text"],input[type="email"],input[type="number"],textarea{
  font:inherit;
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:10px;
  padding:11px 14px;
  color:var(--ink);
  width:100%;
  transition:border-color .15s, box-shadow .15s;
}
input:focus,textarea:focus{
  outline:none;
  border-color:var(--copper);
  box-shadow:0 0 0 3px rgba(197,108,45,.18);
}
textarea{font-family:'ui-monospace','SF Mono',Menlo,monospace;font-size:14px;line-height:1.55}
code{font-family:'ui-monospace','SF Mono',Menlo,monospace;background:var(--cream-2);padding:1px 6px;border-radius:5px;font-size:.9em}

.cta-btn{
  background:var(--copper);
  color:#fff;
  border:0;border-radius:10px;
  font:inherit;font-size:16px;font-weight:600;
  padding:14px 22px;
  cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  transition:transform .08s, background .15s, box-shadow .15s;
  box-shadow:0 6px 14px rgba(197,108,45,.30);
}
.cta-btn:hover{background:var(--copper-deep);box-shadow:0 8px 18px rgba(197,108,45,.36)}
.cta-btn:active{transform:translateY(1px)}
.cta-btn.small{padding:10px 16px;font-size:14px}
.cta-btn.is-loading .btn-label{opacity:.5}
.cta-btn.is-loading .btn-spin{display:inline-block}
.btn-spin{display:none;width:14px;height:14px;border:2px solid #fff;border-top-color:transparent;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.link-btn{
  background:transparent;border:0;color:var(--copper-deep);font:inherit;font-size:14px;
  padding:6px 0;cursor:pointer;text-decoration:underline;
}
.hint{margin:6px 0 0;font-size:13px;color:var(--ink-2);opacity:.75}

.result-card.hidden{display:none}
.result-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;
  margin-bottom:24px;
}
@media (max-width:580px){.result-grid{grid-template-columns:repeat(2,1fr)}.row.two{grid-template-columns:1fr}}
.result-stat{
  background:var(--cream);border-radius:10px;padding:14px 16px;
  border:1px solid var(--line);
}
.stat-label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2);font-weight:600;margin-bottom:6px}
.stat-value{font-family:var(--serif);font-size:22px;font-weight:600;color:var(--copper-deep)}
.stat-value.good{color:var(--hop)}
.stat-value.warn{color:#C2832A}
.stat-value.bad{color:var(--danger)}

.result-prose h3,.recent-card h3,.subscribe-block h3{font-family:var(--serif);margin:0 0 10px;font-size:20px}
.result-prose h4{margin:18px 0 8px;font-size:15px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-2)}
.result-prose ul{padding-left:20px;margin:0 0 10px}
.result-prose li{margin:4px 0}

.subscribe-block{margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{flex:1 1 240px}

.share-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}

.recent-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.recent-list li{padding:10px 14px;background:var(--cream);border:1px solid var(--line);border-radius:8px;font-size:14px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.recent-list .muted{color:var(--ink-2);opacity:.7;justify-content:center}
.recent-list .meta{color:var(--ink-2);font-size:13px}

.site-foot{
  text-align:center;padding:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}