/* Shared styles for the hatch-date and gestation calculator pages. */
:root{
  --ink:#1F2320;--ink-soft:#4A4F48;--ink-faint:#62675F;
  --bg:#F5F0E6;--bg-soft:#FAF7F0;--panel:#FFFDF8;
  --sage:#3F6B4E;--sage-deep:#2E5039;--sage-soft:#E1EBDD;
  --gold:#E9B949;--gold-deep:#7A5A0C;--gold-soft:#F3E1B5;
  --rust:#A34A26;--rust-soft:#F6E0D3;
  --line:#E7E0D2;--line-soft:#EFE8DA;
  --ease-out:cubic-bezier(0.23,1,0.32,1);
  --display:"Fraunces",Georgia,serif;--body:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:10px;z-index:10}
.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--sage);outline-offset:3px;border-radius:8px}
h1,h2,h3{font-family:var(--display);font-weight:500;letter-spacing:-0.02em;line-height:1.06;text-wrap:balance}
h1 em,h2 em{font-style:italic;color:var(--sage)}
p{text-wrap:pretty}

header.top{position:sticky;top:0;z-index:5;background:rgba(245,240,230,.88);backdrop-filter:saturate(1.2) blur(10px);-webkit-backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s ease}
header.top.scrolled{border-bottom-color:var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand img.icon{width:38px;height:38px;border-radius:11px}
.brand img.word{height:26px;width:auto}
.bar nav{display:flex;align-items:center;gap:26px;font-size:15px;font-weight:500}
.bar nav a{text-decoration:none;color:var(--ink-soft)}
.bar nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:0 22px;border-radius:16px;font-weight:600;font-size:16px;font-family:var(--body);text-decoration:none;transition:transform .16s var(--ease-out),background-color .2s ease;cursor:pointer;border:0}
.btn:active{transform:scale(.97)}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{background:#343934}
.btn.ghost{background:var(--panel);color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{background:#fff}
.btn.small{min-height:42px;padding:0 18px;font-size:15px;border-radius:13px}
.btn svg{width:18px;height:18px;flex:none}
.bar nav .btn.small{color:#fff}

.crumbs{font-size:14px;color:var(--ink-faint);padding-top:26px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.crumbs span{margin:0 8px}
.hero{padding:18px 0 30px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--sage-deep);background:var(--sage-soft);padding:6px 12px;border-radius:999px}
.hero h1{font-size:clamp(38px,5.4vw,64px);margin:18px 0 16px;max-width:15em}
.lede{font-size:clamp(17.5px,1.5vw,20px);color:var(--ink-soft);max-width:40em}
.facts{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;font-size:14.5px;color:var(--ink-faint)}
.facts span{display:inline-flex;align-items:center;gap:7px}
.facts svg{width:17px;height:17px;color:var(--sage)}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:24px;align-items:start;padding-bottom:44px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:22px}
.inputs{display:grid;gap:16px;position:sticky;top:84px}
.field{display:flex;flex-direction:column;gap:6px}
.field label,.lbl{font-size:14.5px;font-weight:500;color:var(--ink-soft)}
.ctrl{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;min-height:52px;transition:border-color .15s ease,box-shadow .15s ease}
.ctrl:focus-within{border-color:var(--sage);box-shadow:0 0 0 3px rgba(63,107,78,.16)}
.ctrl input,.ctrl select{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:17px;color:var(--ink);padding:0 14px;height:50px;outline:none}
.ctrl select{cursor:pointer;appearance:none;-webkit-appearance:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2362675F' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") right 12px center/18px no-repeat;padding-right:36px}
.seg{display:flex;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:3px;gap:3px}
.seg button{flex:1;font:inherit;font-size:14.5px;font-weight:600;border:0;background:transparent;color:var(--ink-soft);padding:0 10px;min-height:44px;border-radius:11px;cursor:pointer;transition:background-color .15s ease,color .15s ease;line-height:1.2}
.seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(31,35,32,.1)}
.hint{font-size:13.5px;color:var(--ink-faint);line-height:1.45}
.quick{display:flex;flex-wrap:wrap;gap:6px}
.quick button{font:inherit;font-size:13.5px;font-weight:600;color:var(--sage-deep);background:var(--sage-soft);border:0;border-radius:999px;padding:6px 12px;cursor:pointer}
.others{display:flex;flex-wrap:wrap;gap:8px}
.others a{font-size:14px;font-weight:600;text-decoration:none;color:var(--ink-soft);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.others a:hover{color:var(--ink);border-color:var(--sage)}
.others a[aria-current="page"]{background:var(--ink);color:#fff;border-color:var(--ink)}

.res{background:var(--ink);color:#fff;border-radius:28px;padding:26px;position:relative;overflow:hidden}
.res::after{content:"";position:absolute;right:-70px;top:-70px;width:240px;height:240px;border-radius:50%;background:radial-gradient(closest-side,rgba(233,185,73,.22),rgba(233,185,73,0));pointer-events:none}
.res .k{font-size:14px;font-weight:600;color:rgba(255,255,255,.7)}
.big{font-family:var(--display);font-weight:500;font-size:clamp(38px,4.6vw,56px);line-height:1.05;letter-spacing:-0.025em;margin:8px 0 8px}
.sub2{font-size:15.5px;color:rgba(255,255,255,.8)}
.sub2 b{color:#fff}
.prog{margin-top:18px}
.prog .track{height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.prog .fill{height:100%;background:var(--gold);border-radius:999px;transition:width .45s var(--ease-out)}
.prog .pl{display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.65);margin-top:7px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.pair div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:12px 14px}
.pair span{display:block;font-size:13px;color:rgba(255,255,255,.66)}
.pair b{display:block;font-size:17px;font-weight:600;margin-top:2px}

.tl{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:20px 22px;margin-top:14px}
.tl h3{font-family:var(--body);font-size:15.5px;font-weight:600;letter-spacing:0;margin-bottom:10px}
.tl ol{list-style:none;position:relative}
.tl li{display:grid;grid-template-columns:22px 1fr auto;gap:12px;padding:10px 0;position:relative}
.tl li::before{content:"";position:absolute;left:10px;top:30px;bottom:-10px;width:2px;background:var(--line)}
.tl li:last-child::before{display:none}
.tl .dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--sage);background:#fff;margin-top:1px;display:flex;align-items:center;justify-content:center}
.tl li.done .dot{background:var(--sage)}
.tl li.done .dot::after{content:"";width:10px;height:6px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translate(1px,-1px)}
.tl li.key .dot{border-color:var(--gold-deep);background:var(--gold)}
.tl li.next .dot{box-shadow:0 0 0 5px rgba(63,107,78,.15)}
.tl .t b{display:block;font-size:15.5px}
.tl .t p{font-size:14px;color:var(--ink-faint);line-height:1.45;margin-top:2px}
.tl .d{font-size:14.5px;font-weight:600;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.tl .d small{display:block;font-size:12.5px;font-weight:500;color:var(--ink-faint)}
.tl li.done .t b,.tl li.done .d{color:var(--ink-faint)}

.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.actions .btn{flex:1 1 auto;min-height:44px;font-size:14.5px;border-radius:13px;padding:0 14px}
.toast{font-size:13.5px;color:var(--sage);font-weight:600;min-height:20px;margin-top:6px}

.cta{margin-top:14px;background:var(--sage-deep);color:#fff;border-radius:24px;padding:22px;display:grid;gap:12px}
.cta h3{font-family:var(--display);font-size:22px;font-weight:500;letter-spacing:-.01em;line-height:1.15}
.cta p{font-size:14.5px;color:rgba(255,255,255,.82)}
.cta .row{display:flex;flex-wrap:wrap;gap:8px}
.cta .btn{min-height:44px;font-size:15px;border-radius:13px;flex:1 1 auto;padding:0 16px}
.cta .btn.light{background:#fff;color:var(--ink)}
.cta .btn.line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}

/* content */
section.content{padding:48px 0}
.content h2{font-size:clamp(30px,3.6vw,44px);margin-bottom:14px}
.content .sub{color:var(--ink-soft);max-width:42em;font-size:17.5px}
.content .prose{max-width:46em}
.content .prose p{color:var(--ink-soft);margin-bottom:12px}
.content .prose b{color:var(--ink)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.fcard{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:20px}
.fcard h3{font-family:var(--body);font-size:16.5px;font-weight:600;letter-spacing:0;margin-bottom:6px}
.fcard p,.fcard li{font-size:15px;color:var(--ink-soft)}
.fcard ul{list-style:none;display:grid;gap:6px;margin-top:4px}
.fcard li{position:relative;padding-left:16px}
.fcard li::before{content:"";position:absolute;left:1px;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--sage)}
.grid2c{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.grid2c .tablewrap{margin-top:20px}
.tablewrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);margin-top:20px;background:var(--panel)}
table.data{width:100%;border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
table.data th{text-align:left;font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint);padding:11px 16px;background:var(--bg-soft);border-bottom:1px solid var(--line);white-space:nowrap}
table.data td{padding:10px 16px;border-bottom:1px solid var(--line-soft);color:var(--ink-soft);white-space:nowrap}
table.data tr:last-child td{border-bottom:0}
table.data td:first-child{color:var(--ink);font-weight:600}
.faq .list{max-width:780px;margin-top:20px}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:19px 2px;font-weight:600;font-size:17px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--body);font-weight:400;font-size:26px;line-height:1;color:var(--ink-faint);transition:transform .2s var(--ease-out)}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 2px 18px;color:var(--ink-soft);max-width:42em}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}
.rel{display:block;text-decoration:none;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:18px 20px;transition:border-color .15s ease}
.rel:hover{border-color:var(--sage)}
.rel span{font-size:13px;font-weight:600;color:var(--sage)}
.rel b{display:block;font-family:var(--display);font-weight:500;font-size:20px;line-height:1.2;margin-top:4px}
.disclaimer{font-size:14px;color:var(--ink-faint);margin-top:22px;max-width:46em}

footer{border-top:1px solid var(--line);padding:30px 0 40px;font-size:14.5px;color:var(--ink-faint)}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;align-items:center}
footer nav{display:flex;flex-wrap:wrap;gap:10px 22px}
footer a{text-decoration:none}
footer a:hover{color:var(--ink)}

@media (max-width:980px){
  .calc{grid-template-columns:1fr}
  .inputs{position:static}
  .grid3,.related{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){.bar nav a.hide-sm{display:none}}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .brand img.word{height:22px}
  .box{padding:18px 16px;border-radius:22px}
  .res{padding:22px 18px;border-radius:24px}
  .tl{padding:16px}
  .tl li{grid-template-columns:22px 1fr;row-gap:2px}
  .tl .d{grid-column:2;text-align:left}
  .tl .d small{display:inline;margin-left:6px}
  .grid3,.related,.grid2c{grid-template-columns:1fr}
  .grid2c .tablewrap+.tablewrap{margin-top:0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.prog .fill{transition:none}}
@media print{
  header.top,.actions,.cta,.content,footer,.crumbs,.facts,.others,.toast{display:none!important}
  body{background:#fff}
  .calc{grid-template-columns:1fr}
  .inputs{position:static}
  .res{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}