/* ===========================================================
   EasyCalcHub — shared styles for every page
   Palette: warm paper white + berry accent. Georgia display.
   =========================================================== */
:root{
  --bg:#FCFBF8; --card:#FFFFFF; --ink:#241E18; --muted:#7A7166;
  --line:#EAE4DA; --accent:#B4304A; --accent-soft:#FBEEF0; --good:#2E7D5B;
  --radius:14px; --shadow:0 1px 2px rgba(36,30,24,.04),0 8px 24px rgba(36,30,24,.06);
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --serif:Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;font-size:17px}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
a{color:var(--accent)}

header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:.2px;color:var(--ink);text-decoration:none}
.brand span{color:var(--accent)}
nav.top a{color:var(--muted);text-decoration:none;font-size:15px;margin-left:18px}
nav.top a:hover{color:var(--ink)}

h1{font-family:var(--serif);font-weight:700;font-size:clamp(28px,5vw,44px);line-height:1.12;margin:36px 0 8px;letter-spacing:-.01em}
.sub{color:var(--muted);font-size:18px;max-width:640px;margin:0 0 8px}
.byline{font-size:14px;color:var(--muted);margin:6px 0 0}
.byline a{color:var(--muted);text-decoration:underline}

.ad{margin:18px 0;min-height:90px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:10px;color:#B9AF9F;font-size:13px;text-align:center;background:repeating-linear-gradient(45deg,#fff,#fff 10px,#FCFBF8 10px,#FCFBF8 20px)}
.ad.rail{min-height:600px;flex-direction:column}

.grid{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start;margin-top:8px}
@media (max-width:900px){.grid{grid-template-columns:1fr}.ad.rail{display:none}}

.tool{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.modes{display:inline-flex;background:#F3EFE8;border-radius:999px;padding:4px;margin-bottom:20px}
.modes button{border:0;background:transparent;font:inherit;font-size:15px;font-weight:600;color:var(--muted);padding:8px 16px;border-radius:999px;cursor:pointer}
.modes button[aria-pressed="true"]{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.08)}
.field{margin-bottom:16px}
label{display:block;font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:6px}
input[type="number"],select{width:100%;font:inherit;font-size:17px;color:var(--ink);background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;appearance:none}
input[type="number"]:focus,select:focus{outline:3px solid var(--accent-soft);border-color:var(--accent)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:480px){.row{grid-template-columns:1fr}}

.result{margin-top:22px;padding:22px;background:var(--accent-soft);border-radius:12px;text-align:center}
.result .num{font-family:var(--serif);font-size:clamp(38px,9vw,60px);font-weight:700;color:var(--accent);line-height:1}
.result .unit{font-family:var(--serif);font-size:22px;color:var(--accent);font-weight:700}
.result .caption{color:var(--muted);font-size:15px;margin-top:8px}
.ticks{display:flex;justify-content:center;gap:6px;margin-top:14px}
.ticks i{display:block;width:2px;height:10px;background:#E0A9B3;border-radius:2px}
.ticks i:nth-child(5n+1){height:16px;background:#CF7E8C}
.copy{margin-top:14px;background:var(--ink);color:#fff;border:0;font:inherit;font-weight:600;font-size:14px;padding:9px 18px;border-radius:999px;cursor:pointer}
.copy:hover{background:#000}
.copied{color:var(--good);font-size:13px;margin-left:10px;font-weight:600}

.answer{background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;padding:18px 20px;margin:26px 0}
.answer h2{margin:0 0 6px;font-size:16px;font-family:var(--sans);text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.answer p{margin:0}

section{margin:34px 0}
h2.sec{font-family:var(--serif);font-size:26px;margin:0 0 14px}
h3{font-family:var(--serif);font-size:19px;margin:22px 0 6px}

table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:15px}
caption{text-align:left;color:var(--muted);font-size:14px;margin-bottom:8px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#F7F3EC;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:0}
td.n{font-variant-numeric:tabular-nums;text-align:right}

details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 18px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:600;padding:15px 0;list-style:none;position:relative;padding-right:28px}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";position:absolute;right:2px;top:13px;font-size:22px;color:var(--accent);font-weight:400}
details[open] summary::after{content:"–"}
details .a{padding:0 0 16px;color:#4A443C}

/* homepage tool cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:18px;margin:20px 0}
.tcard{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;text-decoration:none;color:var(--ink);transition:transform .12s ease,box-shadow .12s ease}
.tcard:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(36,30,24,.08),0 14px 30px rgba(36,30,24,.08)}
.tcard .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700}
.tcard h3{font-family:var(--serif);margin:6px 0 6px;font-size:20px}
.tcard p{margin:0;color:var(--muted);font-size:15px}
.tcard.soon{opacity:.6;pointer-events:none}

.hero{padding:40px 0 10px}
.pill{display:inline-block;background:var(--accent-soft);color:var(--accent);font-weight:600;font-size:13px;padding:5px 12px;border-radius:999px;margin-bottom:10px}
.why{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:16px}
.why .item h3{margin:0 0 4px}
.why .item p{margin:0;color:#4A443C;font-size:15px}

/* prose for legal / about pages */
.prose{max-width:760px}
.prose h2{font-family:var(--serif);font-size:24px;margin:30px 0 8px}
.prose h3{font-family:var(--serif);font-size:19px;margin:22px 0 6px}
.prose p,.prose li{color:#3D372F}
.prose ul{padding-left:20px}
.prose li{margin-bottom:6px}
.updated{color:var(--muted);font-size:14px;margin-bottom:20px}

.disc{background:#F7F3EC;border-radius:10px;padding:14px 16px;font-size:14px;color:#5C554B;margin:20px 0}

footer.site{border-top:1px solid var(--line);margin-top:40px;background:var(--card)}
footer.site .wrap{padding:26px 20px;color:var(--muted);font-size:14px}
footer.site a{color:var(--muted)}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}