@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --bg-deep:#0d1a14; --bg:#122419; --panel:#17301f; --panel-2:#1f3d28; --panel-3:#254a30;
  --line:rgba(244,239,221,0.14); --line-soft:rgba(244,239,221,0.07);
  --ink:#f4efdd; --ink-dim:#a9c2ae; --ink-dimmer:#6f8a78;
  --amber:#f2b134; --amber-dim:#c98f22; --clay:#e8734a; --mint:#7fd1b9; --danger:#e86a5c;
  --radius:14px; --shadow:0 20px 50px -25px rgba(0,0,0,0.6);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(circle at 15% -10%, rgba(242,177,52,0.08), transparent 45%),
    radial-gradient(circle at 90% 0%, rgba(127,209,185,0.06), transparent 40%),
    var(--bg-deep);
  color:var(--ink); font-family:'Public Sans', system-ui, sans-serif; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:'Fraunces', serif; font-weight:600; letter-spacing:-0.01em;}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit;}
button{font-family:inherit;}
::selection{background:var(--amber); color:#1a1408;}
img{max-width:100%;}

.wrap{max-width:1180px; margin:0 auto; padding:0 28px;}
@media (max-width:640px){ .wrap{padding:0 18px;} }

/* header */
header.site{position:sticky; top:0; z-index:50; background:rgba(13,26,20,0.9); backdrop-filter:blur(10px); border-bottom:1px solid var(--line-soft);}
.header-row{display:flex; align-items:center; justify-content:space-between; padding:16px 0; gap:20px;}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; flex-shrink:0;}
.brand-mark{width:34px; height:34px; border-radius:50% 50% 50% 4px; background:linear-gradient(155deg, var(--amber), var(--clay)); display:flex; align-items:center; justify-content:center; font-family:'Fraunces',serif; font-weight:700; font-size:15px; color:#1a1408; transform:rotate(-6deg); box-shadow:0 6px 16px -6px rgba(242,177,52,0.5); flex-shrink:0;}
.brand-text{display:flex; flex-direction:column; line-height:1.05;}
.brand-text b{font-family:'Fraunces',serif; font-size:19px; font-weight:700;}
.brand-text span{font-size:10.5px; letter-spacing:0.09em; text-transform:uppercase; color:var(--ink-dimmer);}
nav.tabs{display:flex; gap:2px; overflow-x:auto; scrollbar-width:none; background:var(--panel); border:1px solid var(--line); border-radius:999px; padding:4px;}
nav.tabs::-webkit-scrollbar{display:none;}
nav.tabs a{border:none; background:transparent; color:var(--ink-dim); padding:9px 16px; border-radius:999px; font-size:13.5px; font-weight:600; cursor:pointer; white-space:nowrap; transition:all .18s ease; text-decoration:none;}
nav.tabs a:hover{color:var(--ink);}
nav.tabs a.active{background:var(--amber); color:#1a1408;}
.nav-burger{display:none; background:var(--panel); border:1px solid var(--line); color:var(--ink); border-radius:10px; padding:8px 12px; cursor:pointer; font-size:16px;}
.mobile-nav{display:none; flex-direction:column; background:var(--panel); border-bottom:1px solid var(--line); padding:8px 18px 14px;}
.mobile-nav a{color:var(--ink-dim); text-decoration:none; padding:10px 0; border-bottom:1px solid var(--line-soft); font-size:15px;}
.mobile-nav a.active{color:var(--amber);}
.mobile-nav.show{display:flex;}
@media (max-width:860px){
  nav.tabs{display:none;}
  .nav-burger{display:block;}
}

/* footer */
footer.site{border-top:1px solid var(--line-soft); margin-top:80px; padding:44px 0 36px; color:var(--ink-dimmer); font-size:13px;}
.footer-grid{display:flex; flex-wrap:wrap; gap:32px; justify-content:space-between; margin-bottom:26px;}
.footer-col b{display:block; color:var(--ink-dim); font-size:12.5px; text-transform:uppercase; letter-spacing:0.08em; margin-bottom:10px;}
.footer-col a, .footer-col span{display:block; margin-bottom:6px; color:var(--ink-dimmer); text-decoration:none; cursor:pointer;}
.footer-col a:hover{color:var(--amber);}
.footer-bottom{border-top:1px solid var(--line-soft); padding-top:18px; line-height:1.6;}

/* generic page scaffolding */
.page{padding:56px 0 40px;}
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:11.5px; letter-spacing:0.12em; text-transform:uppercase; color:var(--mint); font-weight:600; margin-bottom:14px;}
.eyebrow::before{content:''; width:16px; height:1px; background:var(--mint);}
h1.page-title{font-size:42px; margin:0 0 12px; max-width:760px;}
p.lede{color:var(--ink-dim); font-size:16px; line-height:1.6; max-width:640px; margin:0 0 8px;}
@media (max-width:640px){ h1.page-title{font-size:30px;} }
.section-block{margin-top:64px;}
.card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:24px;}
.two-col{display:grid; grid-template-columns:1.1fr 0.9fr; gap:24px;}
@media (max-width:860px){.two-col{grid-template-columns:1fr;}}
.breadcrumbs{font-size:12.5px; color:var(--ink-dimmer); margin-bottom:18px;}
.breadcrumbs a{text-decoration:none; color:var(--ink-dimmer);}
.breadcrumbs a:hover{color:var(--amber);}

/* home hero */
.hero{padding:60px 0 20px; display:grid; grid-template-columns:1.1fr 0.9fr; gap:40px; align-items:center;}
@media (max-width:900px){.hero{grid-template-columns:1fr;}}
.hero-badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:26px;}
.hero-badge{background:var(--panel); border:1px solid var(--line); border-radius:999px; padding:8px 14px; font-size:12.5px; color:var(--ink-dim); display:flex; align-items:center; gap:7px;}
.hero-badge .dot{width:6px; height:6px; border-radius:50%; background:var(--mint);}
.hero-cta-row{display:flex; gap:12px; margin-top:30px; flex-wrap:wrap;}
.btn{display:inline-flex; align-items:center; gap:8px; padding:14px 26px; border-radius:999px; font-weight:700; text-decoration:none; font-family:'Fraunces',serif; font-size:15.5px; cursor:pointer; border:none;}
.btn-primary{background:linear-gradient(155deg, var(--amber), var(--clay)); color:#1a1408; box-shadow:0 14px 30px -12px rgba(242,177,52,0.5);}
.btn-ghost{background:var(--panel); color:var(--ink); border:1px solid var(--line);}
.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:26px;}
@media (max-width:900px){.feature-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:600px){.feature-grid{grid-template-columns:1fr;}}
.feature-card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:22px; text-decoration:none; color:var(--ink); display:block; transition:transform .18s ease, border-color .18s ease;}
.feature-card:hover{transform:translateY(-3px); border-color:var(--amber-dim);}
.feature-card .fi{width:38px; height:38px; border-radius:10px; display:flex; align-items:center; justify-content:center; background:var(--panel-2); color:var(--mint); font-size:18px; margin-bottom:14px;}
.feature-card h3{margin:0 0 6px; font-size:17px;}
.feature-card p{margin:0; color:var(--ink-dimmer); font-size:13.5px; line-height:1.55;}
.stat-strip{display:flex; gap:34px; flex-wrap:wrap; margin-top:50px; padding-top:34px; border-top:1px solid var(--line-soft);}
.stat b{display:block; font-family:'Fraunces',serif; font-size:28px; color:var(--amber);}
.stat span{font-size:12.5px; color:var(--ink-dimmer);}

/* calculator */
.calc-grid{display:grid; grid-template-columns:1fr auto 1fr; gap:18px; align-items:start; margin-top:38px;}
@media (max-width:860px){ .calc-grid{grid-template-columns:1fr;} .plus-col{display:none;} }
.plus-col{display:flex; align-items:center; justify-content:center; padding-top:90px;}
.plus-badge{width:44px; height:44px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; color:var(--ink-dimmer); font-size:18px; background:var(--panel);}
.parent-card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:20px; box-shadow:var(--shadow);}
.parent-card .label-row{display:flex; justify-content:space-between; align-items:center; margin-bottom:12px;}
.parent-card .label-row b{font-family:'Fraunces',serif; font-size:15px; font-weight:600;}
.gender-toggle{display:flex; background:var(--panel-2); border-radius:999px; padding:3px; gap:2px;}
.gender-toggle button{border:none; background:transparent; color:var(--ink-dimmer); font-size:12px; font-weight:600; padding:5px 11px; border-radius:999px; cursor:pointer;}
.gender-toggle button.active[data-g="m"]{background:#5aa0d6; color:#08192a;}
.gender-toggle button.active[data-g="f"]{background:var(--clay); color:#2a0d02;}
.search-wrap{position:relative;}
.search-wrap input{width:100%; padding:13px 14px; border-radius:10px; border:1px solid var(--line); background:var(--bg); color:var(--ink); font-size:15px; font-family:inherit; outline:none;}
.search-wrap input:focus{border-color:var(--amber);}
.suggestions{position:absolute; top:calc(100% + 6px); left:0; right:0; z-index:20; background:var(--panel-3); border:1px solid var(--line); border-radius:10px; max-height:260px; overflow-y:auto; box-shadow:var(--shadow); display:none;}
.suggestions.show{display:block;}
.suggestions .sug-item{padding:10px 14px; cursor:pointer; display:flex; justify-content:space-between; gap:10px; font-size:14px; border-bottom:1px solid var(--line-soft);}
.suggestions .sug-item:last-child{border-bottom:none;}
.suggestions .sug-item:hover{background:var(--panel-2);}
.suggestions .sug-item .r{color:var(--ink-dimmer); font-size:12px;}
.picked-pal{margin-top:16px; display:flex; align-items:center; gap:12px;}
.monogram{width:52px; height:52px; border-radius:50% 50% 50% 6px; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-family:'Fraunces',serif; font-weight:700; font-size:18px; color:#1a1408;}
.picked-pal .info b{display:block; font-size:16px; font-family:'Fraunces',serif; font-weight:600;}
.picked-pal .info span{font-size:12.5px; color:var(--ink-dimmer);}
.rank-pill{display:inline-block; margin-top:4px; font-size:11px; padding:2px 8px; border-radius:999px; background:var(--panel-2); color:var(--mint); font-family:'IBM Plex Mono',monospace;}
.breed-btn-row{display:flex; justify-content:center; margin:30px 0;}
.breed-btn{background:linear-gradient(155deg, var(--amber), var(--clay)); border:none; color:#1a1408; font-weight:700; font-size:16px; padding:15px 38px; border-radius:999px; cursor:pointer; box-shadow:0 14px 30px -12px rgba(242,177,52,0.55); transition:transform .15s ease; font-family:'Fraunces',serif;}
.breed-btn:hover{transform:translateY(-2px);}
.breed-btn:disabled{opacity:.4; cursor:not-allowed; transform:none;}
.result-card{background:var(--panel); border:1px solid var(--line); border-radius:18px; padding:30px; box-shadow:var(--shadow); position:relative; overflow:hidden; display:none;}
.result-card.show{display:block; animation:fade .4s ease;}
@keyframes fade{from{opacity:0; transform:translateY(6px);} to{opacity:1; transform:translateY(0);}}
.result-top{display:flex; align-items:center; gap:18px; position:relative;}
.result-top .monogram{width:70px; height:70px; font-size:24px;}
.result-tag{display:inline-block; font-size:11px; letter-spacing:0.08em; text-transform:uppercase; font-weight:700; padding:3px 10px; border-radius:999px; margin-bottom:6px;}
.tag-formula{background:rgba(127,209,185,0.16); color:var(--mint);}
.tag-special{background:rgba(242,177,52,0.18); color:var(--amber);}
.tag-same{background:rgba(232,115,74,0.18); color:var(--clay);}
.result-top h2{font-size:26px; margin:0;}
.result-top .rank-line{color:var(--ink-dimmer); font-size:13px; margin-top:2px; font-family:'IBM Plex Mono',monospace;}
.meter{margin-top:26px; position:relative;}
.meter .track{height:6px; border-radius:999px; background:var(--panel-2); position:relative; overflow:visible;}
.meter .fill{position:absolute; top:0; left:0; height:100%; width:100%; border-radius:999px; background:linear-gradient(90deg, var(--mint), var(--amber));}
.meter .dot{position:absolute; top:50%; width:14px; height:14px; border-radius:50%; border:3px solid var(--bg-deep); transform:translate(-50%,-50%);}
.meter .labels{display:flex; justify-content:space-between; margin-top:10px; font-size:11.5px; color:var(--ink-dimmer); font-family:'IBM Plex Mono',monospace;}
.result-note{margin-top:22px; padding-top:20px; border-top:1px solid var(--line-soft); color:var(--ink-dim); font-size:14px; line-height:1.6; position:relative;}

/* tables */
.table-tools{display:flex; gap:10px; flex-wrap:wrap; margin:24px 0 16px; align-items:center;}
.table-tools input[type="text"]{flex:1; min-width:180px; padding:11px 14px; border-radius:10px; border:1px solid var(--line); background:var(--panel); color:var(--ink); font-family:inherit; outline:none; font-size:14px;}
.table-tools input:focus{border-color:var(--amber);}
select.sel{padding:11px 12px; border-radius:10px; border:1px solid var(--line); background:var(--panel); color:var(--ink); font-family:inherit; font-size:13.5px; outline:none;}
.count-tag{font-size:12.5px; color:var(--ink-dimmer); font-family:'IBM Plex Mono',monospace; white-space:nowrap;}
.rank-table-wrap{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
table.ranklist{width:100%; border-collapse:collapse; font-size:14px;}
table.ranklist thead th{text-align:left; padding:12px 16px; background:var(--panel-2); color:var(--ink-dim); font-size:11.5px; letter-spacing:0.07em; text-transform:uppercase; cursor:pointer; user-select:none; border-bottom:1px solid var(--line);}
table.ranklist thead th:hover{color:var(--amber);}
table.ranklist tbody tr{border-bottom:1px solid var(--line-soft);}
table.ranklist tbody tr:hover{background:var(--panel-2);}
table.ranklist td{padding:10px 16px; vertical-align:middle;}
table.ranklist td.rank-cell{font-family:'IBM Plex Mono',monospace; color:var(--mint);}
.name-cell{display:flex; align-items:center; gap:10px;}
.mini-mono{width:26px; height:26px; border-radius:50% 50% 50% 4px; flex-shrink:0; display:flex; align-items:center; justify-content:center; font-size:10px; font-family:'Fraunces',serif; font-weight:700; color:#1a1408;}
.badge-elig{font-size:11px; padding:2px 8px; border-radius:999px;}
.elig-yes{background:rgba(127,209,185,0.15); color:var(--mint);}
.elig-no{background:rgba(232,106,92,0.14); color:var(--danger);}
.tbody-scroll{max-height:560px; overflow-y:auto;}

/* combos */
.combo-row{display:flex; align-items:center; gap:12px; padding:13px 0; border-bottom:1px solid var(--line-soft); font-size:14.5px; flex-wrap:wrap;}
.combo-row:last-child{border-bottom:none;}
.combo-plus{color:var(--ink-dimmer);}
.combo-arrow{color:var(--amber); margin:0 4px;}
.combo-result{font-weight:600; font-family:'Fraunces',serif;}

/* reverse lookup / path results */
.pair-result{display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; padding:14px 16px; border:1px solid var(--line); border-radius:10px; margin-bottom:10px; background:var(--bg);}
.pair-result .p-names{font-size:14.5px;}
.pair-result .p-names b{font-family:'Fraunces',serif; font-weight:600;}
.pair-result .p-diff{font-size:12px; color:var(--ink-dimmer); font-family:'IBM Plex Mono',monospace;}

/* tree */
.tree-node{border-left:2px solid var(--line); margin-left:14px; padding-left:20px; margin-top:10px;}
.tree-root{border:none; margin-left:0; padding-left:0;}
.tree-card{display:flex; align-items:center; gap:12px; background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:12px 16px; position:relative;}
.tree-card .info b{font-family:'Fraunces',serif;}
.tree-card .info span{font-size:12px; color:var(--ink-dimmer); font-family:'IBM Plex Mono',monospace;}
.tree-expand{margin-left:auto; background:var(--panel-2); border:1px solid var(--line); color:var(--ink-dim); border-radius:8px; padding:6px 12px; font-size:12.5px; cursor:pointer;}
.tree-children{margin-top:10px;}
.tree-pair-label{font-size:11px; color:var(--ink-dimmer); margin:10px 0 4px 4px; text-transform:uppercase; letter-spacing:0.06em;}

/* path finder */
.path-step{display:flex; align-items:center; gap:16px; padding:16px 0;}
.path-step .step-index{width:30px; height:30px; border-radius:50%; background:var(--panel-2); color:var(--mint); display:flex; align-items:center; justify-content:center; font-family:'IBM Plex Mono',monospace; font-size:13px; flex-shrink:0;}
.path-step .step-body{flex:1;}
.path-connector{width:2px; height:22px; background:var(--line); margin-left:14px;}

/* guide */
.guide-body{max-width:760px;}
.guide-body h2{margin-top:44px; font-size:24px; scroll-margin-top:100px;}
.guide-body h3{margin-top:28px; font-size:18px;}
.guide-body p, .guide-body li{color:var(--ink-dim); line-height:1.75; font-size:15px;}
.guide-body ul, .guide-body ol{padding-left:20px;}
.formula-box{margin:18px 0; padding:18px 20px; background:var(--panel); border:1px solid var(--line); border-radius:12px; font-family:'IBM Plex Mono',monospace; font-size:15px; color:var(--amber);}
.step-num{display:inline-flex; width:24px; height:24px; border-radius:50%; background:var(--panel-2); color:var(--mint); align-items:center; justify-content:center; font-size:12px; font-family:'IBM Plex Mono',monospace; margin-right:8px; flex-shrink:0;}
.step-li{display:flex; align-items:flex-start; margin-bottom:12px; list-style:none;}
.step-li p{margin:0;}
.disclaimer-box{margin-top:34px; padding:18px 20px; border:1px dashed var(--line); border-radius:12px; color:var(--ink-dimmer); font-size:13px; line-height:1.7;}
.toc{display:flex; flex-wrap:wrap; gap:10px; margin:26px 0 0;}
.toc a{background:var(--panel); border:1px solid var(--line); border-radius:999px; padding:8px 14px; font-size:13px; text-decoration:none; color:var(--ink-dim);}
.toc a:hover{color:var(--amber);}

/* legal pages */
.legal-body{max-width:760px;}
.legal-body h2{margin-top:38px; font-size:20px;}
.legal-body p, .legal-body li{color:var(--ink-dim); line-height:1.75; font-size:15px;}
.legal-body ul{padding-left:20px;}
.updated-tag{font-size:12.5px; color:var(--ink-dimmer); margin-bottom:30px; font-family:'IBM Plex Mono',monospace;}

.empty-hint{color:var(--ink-dimmer); font-size:14px; text-align:center; padding:30px 10px;}

/* 404 */
.error-page{text-align:center; padding:100px 0;}
.error-page .code{font-family:'Fraunces',serif; font-size:100px; color:var(--panel-2); font-weight:700; line-height:1; -webkit-text-stroke:1px var(--line);}