/* 36118.com — number intelligence. Design tokens */
:root{
  --ink:#13233F;        /* deep postal navy: text, hero */
  --ink-2:#3A4A66;      /* secondary text */
  --paper:#F6F7F9;      /* cool page background */
  --card:#FFFFFF;
  --line:#D9DEE7;
  --signal:#F2C230;     /* signal yellow: digit tiles, banner */
  --signal-ink:#2A2100;
  --link:#2459C7;       /* graph blue */
  --ok:#1F8A70;
  --bad:#B4372E;
  --tile:#1B2E52;
  --tile-text:#FFF6D6;
  --radius-s:6px;--radius-m:12px;
  --shadow:0 1px 0 rgba(19,35,63,.06),0 8px 24px -12px rgba(19,35,63,.25);
  --f-display:"Bricolage Grotesque",system-ui,sans-serif;
  --f-body:"Atkinson Hyperlegible",system-ui,sans-serif;
  --f-digit:"IBM Plex Mono",ui-monospace,monospace;
  --wrap:1180px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ink:#E7ECF5;--ink-2:#AEB9CC;--paper:#0E1729;--card:#152139;--line:#26365A;
  --link:#7FA6FF;--ok:#4CC9A4;--bad:#FF8A80;--tile:#0A1222;--shadow:0 8px 24px -12px rgba(0,0,0,.6);color-scheme:dark}}
:root[data-theme="dark"]{--ink:#E7ECF5;--ink-2:#AEB9CC;--paper:#0E1729;--card:#152139;--line:#26365A;
  --link:#7FA6FF;--ok:#4CC9A4;--bad:#FF8A80;--tile:#0A1222;--shadow:0 8px 24px -12px rgba(0,0,0,.6);color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--f-body);overflow-x:hidden}
img,svg,iframe{max-width:100%}
a{color:var(--link);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.2vw,2.25rem);font-weight:700}
h3{font-size:1.3rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.prose{max-width:72ch}
.prose h2{margin-top:1.6em}.prose h3{margin-top:1.3em}
.prose ul,.prose ol{padding-left:1.25em}.prose li{margin:.3em 0}
.muted{color:var(--ink-2)}
.small{font-size:.9rem}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;z-index:99;background:var(--card);padding:8px 12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Top interest banner (every page) */
.interest{background:var(--signal);color:var(--signal-ink);font-size:.92rem;text-align:center;padding:7px 16px;line-height:1.35}
.interest a{color:var(--signal-ink);font-weight:700}

/* Header */
.site-head{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-head .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-weight:800;font-size:1.25rem}
.brand-mark{display:inline-flex;gap:2px}
.brand-mark i{font:600 .95rem/1 var(--f-digit);font-style:normal;background:var(--tile);color:var(--tile-text);padding:5px 4px;border-radius:3px}
.brand-mark i:nth-child(5){background:var(--signal);color:var(--signal-ink)}
.nav{margin-left:auto;display:flex;gap:4px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;padding:8px 11px;border-radius:var(--radius-s);font-weight:700;font-size:.97rem}
.nav a:hover,.nav a[aria-current="page"]{background:var(--paper)}
.nav a.cta{background:var(--ink);color:var(--paper)}
.nav a.cta:hover{opacity:.9}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:var(--radius-s);padding:8px 12px;font:700 .95rem var(--f-body);color:var(--ink)}
.theme-btn{background:none;border:1px solid var(--line);border-radius:var(--radius-s);padding:7px 9px;color:var(--ink);cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--card);flex-direction:column;align-items:stretch;padding:8px 16px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
}

/* Hero */
.hero{background:var(--ink);color:#F3F6FB;padding:56px 0 48px}
:root[data-theme="dark"] .hero{background:#0A1222}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero{background:#0A1222}}
.hero h1{color:#fff;max-width:16ch}
.hero p.lede{font-size:1.2rem;max-width:56ch;color:#C9D3E6}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}

/* Split-flap number input — the memorable element */
.flap{position:relative;display:block;margin:18px 0 10px;cursor:text}
.flap input{position:absolute;inset:0;width:100%;height:100%;opacity:0;font-size:16px;cursor:text}
.tiles{display:flex;flex-wrap:wrap;gap:6px;min-height:84px}
.tile{position:relative;width:clamp(44px,8vw,64px);height:clamp(64px,11vw,88px);background:var(--tile);border-radius:8px;
  display:grid;place-items:center;font:500 clamp(2.2rem,6vw,3.4rem)/1 var(--f-digit);color:var(--tile-text);
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.35),0 2px 0 rgba(0,0,0,.25);overflow:hidden}
.tile::after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:rgba(0,0,0,.45)}
.tile.lucky{background:var(--signal);color:var(--signal-ink)}
.tile.flip{animation:flip .38s ease-out}
@keyframes flip{0%{transform:rotateX(80deg);filter:brightness(1.6)}100%{transform:none}}
.flap:focus-within .tiles{outline:3px solid var(--signal);outline-offset:6px;border-radius:10px}
.caret{width:4px;height:clamp(64px,11vw,88px);background:var(--signal);border-radius:2px;animation:blink 1s steps(1) infinite;display:none}
.flap:focus-within .caret{display:block}
@keyframes blink{50%{opacity:0}}
.hint{color:#9FB0CF;font-size:.92rem}
.readout{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-m);padding:18px 20px}
.readout dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.readout dt{color:#9FB0CF}
.readout dd{margin:0;color:#fff;font-weight:700;word-break:break-word}
.hero .btns{margin-top:16px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:var(--radius-s);border:2px solid transparent;font:700 1rem var(--f-body);text-decoration:none;cursor:pointer}
.btn-primary{background:var(--signal);color:var(--signal-ink)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-dark{background:var(--ink);color:var(--paper)}
.btn-ghost{background:transparent;border-color:currentColor;color:inherit}
.btns{display:flex;flex-wrap:wrap;gap:10px}

/* Sections */
.section{padding:56px 0}
.section.alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.section-head p{margin:0;max-width:60ch}

/* Tool directory — rows, not cards */
.directory{border-top:2px solid var(--ink)}
.dir-row{display:grid;grid-template-columns:220px 1fr 200px;gap:20px;padding:18px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);align-items:center}
.dir-row:hover{background:var(--paper)}
.dir-row strong{font-family:var(--f-display);font-size:1.15rem}
.dir-row .eg{font-family:var(--f-digit);font-size:.95rem;color:var(--ink-2);text-align:right}
@media (max-width:760px){.dir-row{grid-template-columns:1fr}.dir-row .eg{text-align:left}}

/* Generic panel */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);padding:24px;box-shadow:var(--shadow)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.grid-2,.grid-3{grid-template-columns:1fr}}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px}
@media (max-width:1000px){.layout{grid-template-columns:1fr}}
.aside .panel{position:sticky;top:90px}

/* Facts table */
.facts{width:100%;border-collapse:collapse;font-size:1rem}
.facts th,.facts td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.facts th{width:38%;color:var(--ink-2);font-weight:400}
.facts td{font-weight:700;word-break:break-word}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.tag{background:var(--paper);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:.88rem}
.tag.good{border-color:var(--ok);color:var(--ok)}.tag.warn{border-color:var(--bad);color:var(--bad)}

/* Forms */
form .field{margin-bottom:14px}
label.lbl{display:block;font-weight:700;margin-bottom:5px}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=url],select,textarea{
  width:100%;padding:12px 13px;border:1.5px solid var(--line);border-radius:var(--radius-s);background:var(--card);color:var(--ink);font:400 1rem var(--f-body)}
input:focus,select:focus,textarea:focus{border-color:var(--link);outline:none;box-shadow:0 0 0 3px rgba(36,89,199,.2)}
textarea{min-height:120px;resize:vertical}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.95rem}
.check input{margin-top:5px;width:18px;height:18px}
.form-status{margin-top:12px;font-weight:700}
.form-status.ok{color:var(--ok)}.form-status.err{color:var(--bad)}
.hp{position:absolute;left:-5000px}
.inline-form{display:flex;gap:10px;flex-wrap:wrap}
.inline-form input{flex:1 1 220px}

/* Lead funnel */
.funnel{background:var(--card);border:2px solid var(--ink);border-radius:var(--radius-m);padding:28px;box-shadow:var(--shadow)}
.steps{display:flex;gap:8px;margin:0 0 20px;padding:0;list-style:none;counter-reset:s}
.steps li{flex:1;font-size:.88rem;color:var(--ink-2);border-top:4px solid var(--line);padding-top:6px;counter-increment:s}
.steps li::before{content:counter(s) ". "}
.steps li.on{border-color:var(--signal);color:var(--ink);font-weight:700}
.intent-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.intent{display:block;border:1.5px solid var(--line);border-radius:var(--radius-m);padding:14px;cursor:pointer;background:var(--card)}
.intent input{position:absolute;opacity:0}
.intent strong{display:block;font-family:var(--f-display);font-size:1.05rem}
.intent:has(input:checked){border-color:var(--ink);background:var(--paper);box-shadow:inset 4px 0 0 var(--signal)}
.intent:has(input:focus-visible){outline:3px solid var(--signal)}
.fstep[hidden]{display:none}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;font-size:.92rem;color:var(--ink-2)}

/* Donation */
.amounts{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0 14px}
.amounts label{border:1.5px solid var(--line);border-radius:var(--radius-s);padding:10px 16px;cursor:pointer;font-weight:700}
.amounts input{position:absolute;opacity:0}
.amounts label:has(input:checked){border-color:var(--ink);background:var(--signal);color:var(--signal-ink)}
.alloc{display:grid;grid-template-columns:140px 1fr 48px;gap:10px;align-items:center;margin:6px 0}
.alloc input{width:100%}

/* Lite YouTube */
.yt{position:relative;aspect-ratio:16/9;background:#000 center/cover no-repeat;border-radius:var(--radius-m);overflow:hidden;cursor:pointer;border:0;width:100%;display:block;padding:0}
.yt::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(0,0,0,.7))}
.yt .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:68px;height:48px;background:rgba(0,0,0,.75);border-radius:12px;z-index:1}
.yt .play::before{content:"";position:absolute;left:27px;top:14px;border-left:18px solid #fff;border-top:10px solid transparent;border-bottom:10px solid transparent}
.yt:hover .play{background:#d00}
.yt .cap{position:absolute;left:14px;right:14px;bottom:10px;color:#fff;font-weight:700;z-index:1;text-align:left}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Guide list */
.guide-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.guide-list li{border-bottom:1px solid var(--line)}
.guide-list a{display:grid;grid-template-columns:1fr auto;gap:12px;padding:14px 4px;text-decoration:none;color:var(--ink)}
.guide-list a:hover{background:var(--paper)}
.guide-list strong{font-family:var(--f-display);font-size:1.12rem}
.guide-list span.m{color:var(--ink-2);font-size:.9rem;white-space:nowrap}

/* Breadcrumbs, FAQ */
.crumbs{font-size:.9rem;color:var(--ink-2);margin:22px 0 8px}
.crumbs a{color:var(--ink-2)}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{margin:.6em 0 0}
.callout{border-left:4px solid var(--signal);background:var(--card);padding:14px 18px;border-radius:0 var(--radius-s) var(--radius-s) 0;margin:1.2em 0}

/* Ad slots: invisible until a slot id is configured */
.ad-slot{margin:28px auto;text-align:center;min-height:0}
.ad-slot:empty{display:none}
.ad-label{font-size:.75rem;color:var(--ink-2);margin-bottom:4px}

/* Footer */
.site-foot{background:var(--ink);color:#C9D3E6;padding:48px 0 28px;margin-top:40px;font-size:.95rem}
:root[data-theme="dark"] .site-foot{background:#0A1222}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .site-foot{background:#0A1222}}
.site-foot a{color:#fff;text-decoration:none}.site-foot a:hover{text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot-grid ul{list-style:none;padding:0;margin:0}.foot-grid li{margin:6px 0}
.foot-grid h4{color:#fff;font-size:1rem}
@media (max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
.legal-line{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:16px;font-size:.85rem;color:#9FB0CF}

/* Cookie notice */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius-m);padding:16px;box-shadow:var(--shadow);z-index:60;display:none}
.cookie.show{display:block}
.cookie .btns{margin-top:8px}

/* Misc */
.kpis{display:flex;gap:28px;flex-wrap:wrap;margin:18px 0}
.kpis div strong{display:block;font:500 1.6rem var(--f-digit)}
.score-bar{height:12px;background:var(--line);border-radius:999px;overflow:hidden;margin:6px 0 2px}
.score-bar span{display:block;height:100%;background:var(--ok);width:0;transition:width .5s}
.map{width:100%;aspect-ratio:16/10;border:1px solid var(--line);border-radius:var(--radius-m)}
.result-empty{color:var(--ink-2);border:1.5px dashed var(--line);border-radius:var(--radius-m);padding:18px}
.pill-link{display:inline-block;margin:4px 6px 4px 0;padding:5px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);font-family:var(--f-digit);font-size:.92rem}
.pill-link:hover{border-color:var(--ink)}
table.rate{width:100%;border-collapse:collapse}
table.rate th,table.rate td{padding:12px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
@media (min-width:901px){.grid-2>.funnel{position:sticky;top:90px}}