/* childsupportnumbers.com, v0 (8-nov-2026). No colored borders as accents on rounded boxes, no translateY on hover. */
@font-face{font-family:"Inter";src:url(/fonts/inter-latin.woff2) format("woff2");font-weight:400 700;font-display:swap}
@font-face{font-family:"Fraunces";src:url(/fonts/fraunces-latin.woff2) format("woff2");font-weight:500 600;font-display:swap}

:root{
  --bg:#F6F4EF;--surface:#FFFFFF;--sunk:#EFECE5;--ink:#16181D;--ink2:#3A3E48;--muted:#646A78;--line:#E2DED5;
  --accent:#2747C9;--accent-ink:#FFFFFF;--accent-soft:#E7ECFF;--sun:#F3B53F;--sun-soft:#FDF1D8;
  --green:#1E7A55;--green-soft:#E2F2EA;--red:#B23A2E;--red-soft:#F9E4E1;
  --t-blue:#E8EEFF;--t-sand:#F8EEDC;--t-green:#E3F1E8;--t-rose:#F7E6E3;
  --shadow:0 1px 2px rgba(20,22,28,.05),0 8px 24px rgba(20,22,28,.06);
  --r:16px;--r-s:10px;--wrap:1160px;
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0F1115;--surface:#171A21;--sunk:#1D212A;--ink:#ECEDF0;--ink2:#C9CCD3;--muted:#9AA0AD;--line:#2A2F3A;
  --accent:#8EA6FF;--accent-ink:#0F1115;--accent-soft:#1F2742;--sun:#F3B53F;--sun-soft:#2E2617;
  --green:#5CC796;--green-soft:#16271F;--red:#F08A7E;--red-soft:#2C1A18;
  --t-blue:#1A2033;--t-sand:#262119;--t-green:#17231C;--t-rose:#271B1A;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--sans);font-feature-settings:"tnum" 1,"cv11" 1}
img{max-width:100%;height:auto}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(34px,5vw,56px)}
h2{font-size:clamp(26px,3.2vw,36px)}
h3{font-size:21px}
p{margin:0 0 1em}
small{font-size:.85em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--surface);padding:8px 12px;border-radius:8px}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.eyebrow{font:600 12.5px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}

/* Top bar */
.notice{background:var(--ink);color:var(--bg);font-size:13.5px;line-height:1.4}
.notice .wrap{display:flex;gap:10px;align-items:center;padding-top:8px;padding-bottom:8px}
.notice a{color:inherit}
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:22px;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:-.01em}
.bm{flex:none;display:block}.bm-a{fill:var(--ink)}.bm-b{fill:var(--accent)}.bm-c{fill:var(--sun)}
.logo-t{display:flex;flex-direction:column;gap:3px;line-height:1}
.logo-t b{font:700 17px/1 var(--sans);letter-spacing:-.02em}
.logo-t small{font:600 11.5px/1 var(--sans);letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:4px;margin-left:8px}
.nav a{color:var(--ink2);text-decoration:none;font-size:15px;padding:8px 12px;border-radius:8px}
.nav a:hover,.nav a[aria-current]{background:var(--sunk);color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);text-decoration:none;font:600 15px/1 var(--sans);padding:12px 18px;border-radius:999px;border:0;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line)}
.top .btn{margin-left:auto}
@media (max-width:860px){.nav{display:none}.top .btn{padding:10px 14px;font-size:14px}}

/* Hero */
.hero{padding:56px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start}
.hero h1{margin-bottom:18px}
.hero h1 em{font-style:italic;color:var(--accent)}
.lead{font-size:19px;color:var(--ink2);max-width:36em}
.hero-points{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px}
.hero-points li{display:flex;gap:10px;align-items:baseline;color:var(--ink2)}
.hero-points b{color:var(--ink)}
.dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--sun);position:relative;top:-1px}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}.hero{padding-top:32px}}

/* Calculator card */
.calc{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:24px}
.calc h2{font-size:22px;margin-bottom:4px}
.calc .sub{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label,.field .lab{font-size:13.5px;font-weight:600;color:var(--ink2)}
.field .hint{font-size:12.5px;color:var(--muted);line-height:1.4}
.in{position:relative;display:flex;align-items:center}
.in span{position:absolute;left:12px;color:var(--muted);font-size:15px;pointer-events:none}
input[type=text],input[type=number],input[type=email],select,textarea{width:100%;font:500 16px/1.3 var(--sans);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-s);padding:11px 12px}
.in input{padding-left:24px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.seg{display:flex;background:var(--sunk);border-radius:var(--r-s);padding:3px;gap:3px}
.seg label{flex:1;text-align:center;font:600 14px/1 var(--sans);padding:9px 0;border-radius:8px;cursor:pointer;color:var(--ink2)}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg input:checked+span{color:var(--ink)}
.seg label:has(input:checked){background:var(--surface);box-shadow:0 1px 2px rgba(0,0,0,.08);color:var(--ink)}
.calc-actions{display:flex;gap:12px;align-items:center;margin-top:18px;flex-wrap:wrap}
details.more{grid-column:1/-1;background:var(--bg);border-radius:var(--r-s);padding:4px 14px}
details.more summary{cursor:pointer;font-weight:600;font-size:14.5px;padding:10px 0}
details.more .fields{padding:4px 0 14px}

/* Result */
.result{margin-top:20px}
.res-big{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.res-big b{font:600 46px/1 var(--serif);letter-spacing:-.02em}
.res-big span{color:var(--muted)}
.res-who{font-weight:600;margin:6px 0 14px}
.res-tile{background:var(--t-blue);border-radius:var(--r);padding:20px}
.res-tile.warn{background:var(--sun-soft)}
.steps{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:0}
.steps li{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}
.steps li:last-child{border-bottom:0}
.steps li span{color:var(--ink2)}
.steps li small{display:block;color:var(--muted);font-size:12.5px}
.steps li b{white-space:nowrap}
.steps li.total b{font-size:17px}
.res-notes{font-size:14px;color:var(--ink2);margin-top:12px}
.res-notes li{margin-bottom:6px}
.err{background:var(--red-soft);color:var(--red);border-radius:var(--r-s);padding:12px 14px;font-size:15px}
.split{display:flex;height:14px;border-radius:7px;overflow:hidden;background:var(--sunk);margin:8px 0 4px}
.split i{display:block;height:100%}
.split i:nth-child(1){background:var(--accent)}
.split i:nth-child(2){background:var(--sun)}
.legend{display:flex;gap:16px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}

/* Sections */
section{padding:72px 0}
.sec-h{max-width:720px;margin-bottom:34px}
.sec-h p{color:var(--ink2);font-size:18px}
.band{background:var(--surface)}
.band-ink{background:var(--ink);color:var(--bg)}
.band-ink h2,.band-ink h3{color:var(--bg)}
.band-ink .muted,.band-ink .sec-h p{color:color-mix(in srgb,var(--bg) 70%,transparent)}

/* State grid */
.states{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.st{display:flex;flex-direction:column;gap:6px;background:var(--surface);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.st:hover{box-shadow:0 0 0 2px var(--accent),var(--shadow)}
.st .ab{font:600 13px/1 var(--sans);color:var(--muted);letter-spacing:.06em}
.st b{font:600 21px/1.2 var(--serif)}
.st .model{display:inline-flex;align-self:flex-start;font-size:12.5px;font-weight:600;padding:4px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}
.st .model.ps{background:var(--sun-soft);color:#8A5A00}
.st .model.sf{background:var(--green-soft);color:var(--green)}
@media (prefers-color-scheme:dark){.st .model.ps{color:var(--sun)}}
.st small{color:var(--muted)}
.st.soon{box-shadow:none;background:transparent;outline:1px dashed var(--line);color:var(--muted)}

/* Bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.tile{border-radius:var(--r);padding:26px;background:var(--surface)}
.tile.blue{background:var(--t-blue)}.tile.sand{background:var(--t-sand)}.tile.green{background:var(--t-green)}.tile.rose{background:var(--t-rose)}
.tile.w2{grid-column:span 2}.tile.w3{grid-column:span 3}.tile.w4{grid-column:span 4}.tile.w6{grid-column:span 6}
.tile h3{margin-bottom:8px}
.tile p{color:var(--ink2);font-size:15.5px}
.tile .big{font:600 44px/1 var(--serif);margin:6px 0 10px;letter-spacing:-.02em}
@media (max-width:900px){.bento{grid-template-columns:1fr}.tile.w2,.tile.w3,.tile.w4,.tile.w6{grid-column:auto}}
.chart{width:100%;height:auto;display:block}
.chart text{font:500 11px var(--sans);fill:var(--muted)}
.chart .lbl{fill:var(--ink);font-weight:600}
.chart .grid{stroke:var(--line);stroke-width:1}
.chart .s1{stroke:var(--accent);fill:none;stroke-width:2.5}
.chart .s2{stroke:var(--sun);fill:none;stroke-width:2.5}
.chart .s3{stroke:var(--green);fill:none;stroke-width:2.5}
.chart .b1{fill:var(--accent)}.chart .b2{fill:var(--sun)}.chart .b3{fill:var(--green)}.chart .bg{fill:var(--sunk)}

/* Tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.tabs button{font:600 15px/1 var(--sans);padding:11px 16px;border-radius:999px;border:0;background:var(--sunk);color:var(--ink2);cursor:pointer}
.tabs button[aria-selected=true]{background:var(--ink);color:var(--bg)}
.panel[hidden]{display:none}
.panel-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start}
@media (max-width:860px){.panel-grid{grid-template-columns:1fr}}
.cards{display:grid;gap:12px}
.card{display:block;background:var(--surface);border-radius:var(--r);padding:18px 20px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.card:hover{box-shadow:0 0 0 2px var(--accent),var(--shadow)}
.card b{display:block;font:600 19px/1.25 var(--serif);margin-bottom:4px}
.card span{color:var(--ink2);font-size:15px}

/* FAQ */
.faq{max-width:820px}
.faq details{background:var(--surface);border-radius:var(--r-s);margin-bottom:10px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:600;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";font-weight:400;color:var(--muted);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--ink2)}

/* Page / prose */
.page-h{padding:44px 0 22px}
.page-h .lead{margin-top:6px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;background:var(--surface);border-radius:999px;padding:6px 12px;color:var(--ink2)}
.chip i{width:7px;height:7px;border-radius:50%;background:var(--green)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:44px;align-items:start;padding-bottom:64px}
.layout .side{position:sticky;top:84px}
@media (max-width:1000px){.layout{grid-template-columns:1fr}.layout .side{position:static}}
.prose{max-width:720px}
.prose h2{font-size:30px;margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul,.prose ol{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:1em 0 1.4em;background:var(--surface);border-radius:var(--r-s);overflow:hidden}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--sunk)}
.prose td.r,.prose th.r{text-align:right}
.tbl-wrap{overflow-x:auto}
.callout{background:var(--sun-soft);border-radius:var(--r-s);padding:16px 18px;margin:1.2em 0;font-size:15.5px}
.callout.blue{background:var(--t-blue)}
.callout p:last-child{margin:0}
.admin-note{background:#FFF3C4;color:#4A3B00;border-radius:8px;padding:10px 14px;font-size:13.5px;margin:10px 0}
.admin-note code{font-size:12px;opacity:.7}

/* Footer */
.ft{background:var(--ink);color:color-mix(in srgb,var(--bg) 80%,transparent);padding:56px 0 28px;margin-top:0;font-size:15px}
.ft a{color:inherit;text-decoration:none}
.ft a:hover{color:var(--bg);text-decoration:underline}
.ft h2{font:600 13px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:color-mix(in srgb,var(--bg) 55%,transparent);margin-bottom:14px}
.ft ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.ft-main{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:32px}
.ft-brand .logo{color:var(--bg)}
.ft-brand .bm-a{fill:var(--bg)}.ft-brand .bm-b{fill:#8EA6FF}.ft-brand .logo-t small{color:color-mix(in srgb,var(--bg) 55%,transparent)}
.ft-brand p{margin-top:14px;max-width:30em}
.ft-note{margin-top:40px;padding:18px 20px;border-radius:var(--r-s);background:color-mix(in srgb,var(--bg) 7%,transparent);font-size:14px;line-height:1.55}
.ft-note a{text-decoration:underline}
.ft-bottom{display:flex;justify-content:space-between;margin-top:26px;font-size:13.5px;color:color-mix(in srgb,var(--bg) 50%,transparent)}
@media (max-width:860px){.ft-main{grid-template-columns:1fr 1fr}.ft-brand{grid-column:1/-1}}
@media (prefers-color-scheme:dark){.ft{background:#0A0B0E}.notice{background:#0A0B0E;color:var(--ink)}.ft-brand .bm-a{fill:var(--ink)}.ft-brand .logo,.ft a:hover{color:var(--ink)}}

/* Forms (contact) */
.form{display:grid;gap:14px;max-width:560px}
.hp{position:absolute;left:-9999px}
.links{list-style:none;padding:0;display:grid;gap:10px}
.links a{display:block;background:var(--surface);border-radius:var(--r-s);padding:14px 16px;text-decoration:none}

@media print{.top,.notice,.ft,.side .calc-actions,#admin-bar{display:none}body{background:#fff}}
.layout{padding-bottom:40px}
.below{max-width:760px;padding-bottom:72px}
@media (max-width:520px){.logo-t b{font-size:15.5px;white-space:nowrap}.top-in{gap:10px}.top .btn{padding:9px 12px;font-size:13px}.notice{font-size:12.5px}}
/* Mobile: never wider than the screen (wide tables scroll inside themselves) */
@media (max-width:1000px){.layout{grid-template-columns:minmax(0,1fr)}}
.prose table{display:block;overflow-x:auto;max-width:100%}
.prose td,.prose th{min-width:90px}
.calc,.result,.prose,.side{min-width:0}
pre,code{white-space:pre-wrap;word-break:break-word}
.seg{flex-wrap:wrap}.seg label{min-width:44px;padding-left:8px;padding-right:8px}.fields{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:420px){.fields{grid-template-columns:minmax(0,1fr)}}
.steps li span{min-width:0;overflow-wrap:anywhere}.res-tile{min-width:0;overflow:hidden}.result{min-width:0}