/* =============================================================================
   ChainDeposit — site.css  (hand-written, no framework)
   Theme: "chain-forensics control-room". Unique to chaindeposit.help (anti-footprint).
   Verdict palette doubles as the deposit tool's status language.
   ============================================================================= */

/* ---- design tokens ---- */
:root {
  --ink-950:#0a0f16; --ink-900:#0f1620; --ink-850:#141d2a; --ink-800:#1b2738;
  --ink-700:#273549; --ink-600:#3a4d68; --ink-500:#56708f;
  --ink-300:#8da3c0; --ink-200:#b9c8de; --ink-100:#e6edf6; --ink-50:#f4f8fd;
  --signal-700:#0d7a61; --signal-600:#14a886; --signal-500:#1fd0a3; --signal-400:#4fe0bb;
  --credit:#1fd0a3; --credit-bg:#0e2c26;
  --warn:#f5a524;   --warn-bg:#2c2410;
  --lost:#f3526b;   --lost-bg:#2c1218;
  --ink-400:#7587a3;
  --border:#22304a; --border-soft:#1a2536;
  --radius:14px; --radius-sm:9px;
  --shadow:0 1px 0 rgba(255,255,255,.03) inset, 0 10px 30px -12px rgba(0,0,0,.6);
  --maxw:1080px;
  --font-sans:"Inter var",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular","Cascadia Code",Consolas,monospace;
}

/* ---- reset / base ---- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;background:var(--ink-950);color:var(--ink-100)}
body{margin:0;font-family:var(--font-sans);font-size:17px;line-height:1.65;
  background:radial-gradient(1200px 600px at 80% -10%,rgba(31,208,163,.07),transparent 60%),var(--ink-950);
  min-height:100vh;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--signal-400);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;font-weight:700;color:var(--ink-50);margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(1.8rem,4.5vw,2.7rem)}
h2{font-size:clamp(1.35rem,3vw,1.85rem);margin-top:1.4em}
h3{font-size:1.18rem;margin-top:1.3em}
p{margin:0 0 1rem}
strong{color:var(--ink-50)}
code,kbd,.mono{font-family:var(--font-mono);font-size:.92em}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(16px,4vw,28px)}
:focus-visible{outline:2px solid var(--signal-500);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--signal-500);color:#04221b;padding:.6rem 1rem;z-index:100;border-radius:0 0 8px 0;font-weight:700}
.skip-link:focus{left:0}

/* ---- header / nav ---- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(10,15,22,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;gap:1rem;min-height:62px}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:800;color:var(--ink-50);letter-spacing:-.02em}
.brand:hover{text-decoration:none}
.brand-mark{color:var(--signal-500);font-size:1.25rem;filter:drop-shadow(0 0 6px rgba(31,208,163,.5))}
.brand-name{font-size:1.12rem}
.badge-18{display:inline-grid;place-items:center;min-width:34px;height:24px;padding:0 .4rem;border:1px solid var(--warn);color:var(--warn);
  border-radius:6px;font-size:.74rem;font-weight:800;letter-spacing:.02em;background:var(--warn-bg)}
.primary-nav{margin-left:auto;display:flex;align-items:center;gap:.35rem}
.nav-link,.nav-group>summary{display:inline-flex;align-items:center;gap:.3rem;padding:.5rem .7rem;border-radius:9px;color:var(--ink-200);
  font-size:.95rem;font-weight:600;cursor:pointer;white-space:nowrap}
.nav-link:hover,.nav-group>summary:hover{background:var(--ink-800);color:var(--ink-50);text-decoration:none}
.nav-link[aria-current],.nav-sub a[aria-current]{color:var(--signal-400)}
.nav-group{position:relative}
.nav-group>summary{list-style:none}
.nav-group>summary::-webkit-details-marker{display:none}
.nav-group>summary::after{content:"▾";font-size:.7rem;color:var(--ink-500)}
.nav-sub{list-style:none;margin:0;padding:.4rem;position:absolute;top:calc(100% + 6px);left:0;min-width:230px;
  background:var(--ink-850);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);display:none;z-index:60}
.nav-sub li{margin:0}
.nav-sub a{display:block;padding:.5rem .65rem;border-radius:8px;color:var(--ink-200);font-size:.92rem}
.nav-sub a:hover{background:var(--ink-800);color:var(--ink-50);text-decoration:none}
.nav-cta{display:inline-flex;align-items:center;padding:.55rem .95rem;border-radius:10px;font-weight:700;font-size:.95rem;
  background:linear-gradient(180deg,var(--signal-500),var(--signal-600));color:#04221b;box-shadow:0 6px 18px -8px rgba(31,208,163,.7)}
.nav-cta:hover{text-decoration:none;filter:brightness(1.06)}
.burger,.nav-toggle{display:none}

/* desktop: open dropdown on hover / focus / click(open) */
@media (min-width:901px){
  .nav-group:hover>.nav-sub,.nav-group:focus-within>.nav-sub,.nav-group[open]>.nav-sub{display:block}
}
/* mobile: burger reveals stacked nav; groups become native accordions */
@media (max-width:900px){
  .burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;margin-left:auto;width:42px;height:38px;
    border:1px solid var(--border);border-radius:9px;background:var(--ink-850);cursor:pointer}
  .burger span{height:2px;width:20px;margin-inline:auto;background:var(--ink-100);border-radius:2px;transition:transform .2s}
  .badge-18{margin-left:auto}
  .burger{margin-left:.5rem}
  .primary-nav{display:none;position:fixed;inset:62px 0 0;flex-direction:column;align-items:stretch;gap:.15rem;
    background:var(--ink-900);border-top:1px solid var(--border);padding:1rem clamp(16px,4vw,28px) 2rem;overflow-y:auto}
  .nav-toggle:checked~.primary-nav{display:flex}
  .nav-link,.nav-group>summary{padding:.85rem .6rem;font-size:1.05rem;border-radius:10px}
  .nav-group{border-bottom:1px solid var(--border-soft)}
  .nav-sub{position:static;display:block;border:none;box-shadow:none;background:transparent;padding:.1rem 0 .6rem .6rem}
  .nav-group:not([open])>.nav-sub{display:none}
  .nav-cta{margin-top:.8rem;justify-content:center;padding:.85rem}
}

/* ---- layout sections ---- */
section{margin-block:clamp(2.4rem,6vw,4rem)}
.section-pad{padding-block:clamp(2.4rem,6vw,4rem)}
.lead{font-size:1.15rem;color:var(--ink-200);max-width:64ch}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--signal-500);margin:0 0 .6rem}
.prose{max-width:72ch}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1rem}
.prose li{margin:.3rem 0}
.muted{color:var(--ink-300)}
.center{text-align:center}

/* ---- hero ---- */
.hero{padding-top:clamp(2.5rem,7vw,4.5rem)}
.hero-grid{display:grid;gap:2rem;grid-template-columns:1.15fr .85fr;align-items:center}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero .answer{background:var(--ink-850);border:1px solid var(--border);border-left:3px solid var(--signal-500);
  border-radius:var(--radius);padding:1.1rem 1.2rem;margin:1.2rem 0;font-size:1.02rem}
.btn-row{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.3rem}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.8rem 1.25rem;border-radius:11px;font-weight:700;border:1px solid transparent}
.btn-primary{background:linear-gradient(180deg,var(--signal-500),var(--signal-600));color:#04221b;box-shadow:0 8px 22px -10px rgba(31,208,163,.7)}
.btn-primary:hover{text-decoration:none;filter:brightness(1.06)}
.btn-ghost{border-color:var(--border);color:var(--ink-100);background:var(--ink-850)}
.btn-ghost:hover{text-decoration:none;background:var(--ink-800)}

/* ---- cards ---- */
.card-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--ink-850);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.card.link-card{position:relative;transition:.18s}
.card.link-card:hover{border-color:var(--signal-600);transform:translateY(-2px)}
.link-card h3 a{color:var(--ink-50);text-decoration:none}
.link-card h3 a::after{content:"";position:absolute;inset:0}
.link-card:hover h3 a{color:var(--signal-400)}
.card .arrow{color:var(--signal-400);font-weight:700}

/* ---- verdict badges ---- */
.verdict{display:inline-flex;align-items:center;gap:.45rem;padding:.3rem .65rem;border-radius:999px;font-weight:700;font-size:.85rem;border:1px solid}
.verdict-credit{color:var(--credit);background:var(--credit-bg);border-color:var(--signal-700)}
.verdict-warn{color:var(--warn);background:var(--warn-bg);border-color:#7a5a16}
.verdict-lost{color:var(--lost);background:var(--lost-bg);border-color:#7a2230}

/* ---- tables ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--ink-850)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.94rem}
th,td{text-align:left;padding:.7rem .85rem;border-bottom:1px solid var(--border-soft);white-space:nowrap}
thead th{background:var(--ink-800);color:var(--ink-100);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;position:sticky;top:0}
tbody tr:hover{background:rgba(31,208,163,.04)}
td .mono{color:var(--ink-200)}
.verified{font-size:.78rem;color:var(--ink-300)}

/* ---- CTA card (affiliate, with FTC disclosure) ---- */
.cta-card{background:linear-gradient(180deg,var(--ink-850),var(--ink-800));border:1px solid var(--signal-700);
  border-radius:var(--radius);padding:1.1rem 1.2rem;margin:1.6rem 0;box-shadow:var(--shadow)}
.cta-disclosure{font-size:.82rem;color:var(--ink-300);margin:0 0 .8rem;display:flex;gap:.5rem;align-items:flex-start}
.cta-ad{flex:none;font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-400,#7587a3);
  border:1px solid var(--border);border-radius:5px;padding:.1rem .35rem;color:var(--ink-300)}
.cta-heading{font-weight:800;font-size:1.1rem;color:var(--ink-50);margin:0 0 .25rem}
.cta-angle{margin:0 0 .9rem;color:var(--ink-200);font-size:.95rem}
.cta-btn{display:inline-flex;align-items:center;gap:.45rem;padding:.8rem 1.3rem;border-radius:11px;font-weight:800;
  background:linear-gradient(180deg,var(--signal-500),var(--signal-600));color:#04221b;box-shadow:0 8px 22px -10px rgba(31,208,163,.7)}
.cta-btn:hover{text-decoration:none;filter:brightness(1.06)}

/* ---- callouts / disclaimers ---- */
.callout{border-radius:var(--radius);padding:1rem 1.15rem;margin:1.4rem 0;border:1px solid var(--border)}
.callout-warn{background:var(--warn-bg);border-color:#7a5a16}
.callout-danger{background:var(--lost-bg);border-color:#7a2230}
.callout strong{color:var(--ink-50)}
.callout .callout-h{font-weight:800;margin:0 0 .4rem;display:flex;gap:.5rem;align-items:center}

/* ---- responsible gambling block ---- */
.rg-block{background:var(--ink-900);border-top:1px solid var(--border);margin-top:3rem}
.rg-inner{display:flex;gap:1rem;align-items:flex-start;padding-block:1.5rem}
.rg-icon{flex:none;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:900;color:var(--warn);background:var(--warn-bg);border:1px solid #7a5a16}
.rg-title{font-size:1.05rem;margin:0 0 .3rem}
.rg-block p{margin:0 0 .4rem;color:var(--ink-300);font-size:.92rem;max-width:80ch}
.rg-help a{color:var(--signal-400)}

/* ---- footer ---- */
.site-footer{background:var(--ink-900);border-top:1px solid var(--border);padding-block:2.4rem;margin-top:0}
.footer-inner{display:grid;gap:1.8rem;grid-template-columns:1.1fr 2fr}
@media (max-width:760px){.footer-inner{grid-template-columns:1fr}}
.footer-brand .brand-mark{font-size:1.1rem}
.footer-brand .brand-name{font-weight:800;color:var(--ink-50);margin-left:.4rem}
.footer-tagline{color:var(--ink-300);font-size:.9rem;margin:.6rem 0}
.badge-18--footer{display:inline-block;min-width:0;height:auto;padding:.15rem .5rem}
.footer-nav{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.footer-col-h{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-300);font-weight:700;margin:0 0 .5rem}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:.25rem 0}
.footer-col a{color:var(--ink-200);font-size:.9rem}
.footer-legal{grid-column:1/-1;border-top:1px solid var(--border-soft);padding-top:1rem;color:var(--ink-400,#7587a3)}
.footer-legal p{color:var(--ink-300);font-size:.84rem;margin:.3rem 0}
.footer-copy{color:var(--ink-500)!important}

/* ---- deposit tool ---- */
.tool{background:var(--ink-850);border:1px solid var(--border);border-radius:var(--radius);padding:1.3rem;box-shadow:var(--shadow)}
.tool-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.field{display:flex;flex-direction:column;gap:.35rem}
.field label{font-size:.85rem;font-weight:600;color:var(--ink-200)}
.field select,.field input[type=text]{appearance:none;background:var(--ink-900);border:1px solid var(--border);color:var(--ink-100);
  padding:.7rem .8rem;border-radius:10px;font:inherit;font-size:.95rem}
.field select:focus,.field input:focus{border-color:var(--signal-500);outline:none}
.field-check{flex-direction:row;align-items:center;gap:.55rem}
.tool-result{margin-top:1.2rem;border-radius:var(--radius);padding:1.1rem 1.2rem;border:1px solid var(--border);background:var(--ink-900);display:none}
.tool-result.show{display:block}
.tool-result[data-verdict=credit]{border-color:var(--signal-700);background:var(--credit-bg)}
.tool-result[data-verdict=warn]{border-color:#7a5a16;background:var(--warn-bg)}
.tool-result[data-verdict=lost]{border-color:#7a2230;background:var(--lost-bg)}
.tool-steps{margin:.6rem 0 0;padding-left:1.2rem}
.tool-steps li{margin:.3rem 0}
.copy-box{position:relative;margin-top:1rem}
.copy-box textarea{width:100%;min-height:120px;background:var(--ink-950);border:1px solid var(--border);border-radius:10px;
  color:var(--ink-200);font-family:var(--font-mono);font-size:.86rem;padding:.8rem;resize:vertical}
.copy-btn{margin-top:.5rem;padding:.5rem .9rem;border-radius:9px;border:1px solid var(--border);background:var(--ink-800);color:var(--ink-100);font-weight:600;cursor:pointer}
.copy-btn:hover{background:var(--ink-700)}
.noscript-note{background:var(--warn-bg);border:1px solid #7a5a16;border-radius:10px;padding:.8rem 1rem;color:var(--ink-100)}

/* ---- page banner (visible hero image, top of interior pages) ---- */
.page-banner{max-width:var(--maxw);margin:1.4rem auto 0;padding-inline:clamp(16px,4vw,28px)}
.page-banner img{width:100%;height:auto;aspect-ratio:1200/630;border-radius:var(--radius);border:1px solid var(--border);display:block;box-shadow:var(--shadow)}

/* ---- breadcrumb ---- */
.breadcrumb{font-size:.85rem;color:var(--ink-400,#7587a3);margin:1.4rem 0 .2rem;display:flex;flex-wrap:wrap;gap:.4rem}
.breadcrumb a{color:var(--ink-300)}
.breadcrumb span{color:var(--ink-500)}

/* ---- misc ---- */
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--signal-400);
  border:1px solid var(--signal-700);border-radius:6px;padding:.12rem .45rem;background:var(--credit-bg)}
.hr{border:none;border-top:1px solid var(--border);margin:2.5rem 0}
.pros-cons{display:grid;gap:1rem;grid-template-columns:1fr 1fr}
@media (max-width:560px){.pros-cons{grid-template-columns:1fr}.pros-cons{gap:.6rem}}
.pros,.cons{border-radius:var(--radius);padding:1rem 1.15rem;border:1px solid var(--border)}
.pros{background:var(--credit-bg);border-color:var(--signal-700)}
.cons{background:var(--lost-bg);border-color:#7a2230}
.pros ul,.cons ul{margin:.4rem 0 0;padding-left:1.1rem}