/* ============================================================
   FIXCO.PRO — design system: "the regulatory ledger"
   Palette: Ink #12141D · Paper #F7F8F6 · Verified #0C7C59
            Risk amber #DB8A2B · Slate #59606E · Line #DCDFE3
   Type:    Archivo (display + body) · IBM Plex Mono (clause labels)
   ============================================================ */
:root{
  --ink:#12141D; --paper:#F7F8F6; --white:#fff;
  --green:#0C7C59; --green-dark:#0A6448; --green-tint:#E7F2ED;
  --amber:#DB8A2B; --amber-tint:#FBF1E2;
  --slate:#59606E; --line:#DCDFE3;
  --radius:10px; --maxw:1120px;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
  --sans:'Archivo',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto} *,*::before,*::after{animation:none!important;transition:none!important}}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;font-size:16.5px;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- clause label (signature device) ---------- */
.clause{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--green);display:flex;align-items:center;gap:10px}
.clause::before{content:"";width:26px;height:1px;background:var(--green)}
.clause.amber{color:var(--amber)}.clause.amber::before{background:var(--amber)}

/* ---------- header ---------- */
.topbar{background:var(--ink);color:#C8CBD4;font-family:var(--mono);font-size:12.5px;text-align:center;padding:8px 16px}
.topbar strong{color:#fff}
.topbar a{color:#7FD4B5;text-decoration:none}
header.site{position:sticky;top:0;z-index:50;background:rgba(247,248,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:800;font-size:21px;letter-spacing:-.02em;text-decoration:none;display:flex;align-items:center;gap:9px}
.logo .seal{width:26px;height:26px;border:2px solid var(--green);border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:11px;color:var(--green);font-weight:600}
.logo .tld{color:var(--green)}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{text-decoration:none;font-size:14.5px;font-weight:500;color:var(--slate)}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink)}
.nav-cta{display:flex;gap:10px;align-items:center}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-family:var(--mono);font-size:12px;cursor:pointer}

/* ---------- buttons ---------- */
.btn{display:inline-block;padding:12px 22px;border-radius:8px;font-weight:600;font-size:15px;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:var(--sans);transition:transform .12s ease,background .12s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dark)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ink{background:var(--ink);color:#fff}
.btn-sm{padding:9px 16px;font-size:13.5px}
:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* ---------- hero ---------- */
.hero{padding:84px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
h1{font-size:clamp(40px,5.4vw,64px);line-height:1.02;letter-spacing:-.035em;font-weight:800}
h1 .fixed{color:var(--green);position:relative;white-space:nowrap}
h1 .fixed::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;background:var(--green-tint);z-index:-1}
.lede{margin:22px 0 30px;font-size:18.5px;color:var(--slate);max-width:52ch}
.countdown{display:inline-flex;align-items:center;gap:12px;background:var(--ink);color:#fff;border-radius:999px;padding:9px 18px 9px 12px;font-family:var(--mono);font-size:13px;margin-bottom:26px}
.countdown .dot{width:9px;height:9px;border-radius:50%;background:var(--amber);animation:pulse 1.6s infinite}
.countdown strong{color:#F4C57E}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* stamp seal */
.seal-wrap{display:grid;place-items:center}
.stamp{width:min(330px,80%);aspect-ratio:1;border-radius:50%;border:2px dashed var(--green);display:grid;place-items:center;position:relative;background:#fff;box-shadow:0 20px 50px rgba(18,20,29,.08)}
.stamp svg{position:absolute;inset:0;width:100%;height:100%;animation:spin 40s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.stamp-core{text-align:center;padding:34px}
.stamp-core .big{font-weight:800;font-size:30px;letter-spacing:-.02em;line-height:1.05}
.stamp-core .mono{font-family:var(--mono);font-size:12px;color:var(--slate);margin-top:8px}
.stamp-core .ok{color:var(--green);font-family:var(--mono);font-size:13px;margin-top:10px;font-weight:600}

/* ---------- sections ---------- */
section{padding:76px 0}
.section-head{max-width:680px;margin-bottom:44px}
h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.03em;line-height:1.1;font-weight:800;margin:12px 0 14px}
h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.muted{color:var(--slate)}
.band-ink{background:var(--ink);color:#E8EAEE}
.band-ink h2{color:#fff}
.band-ink .muted{color:#9AA0AD}
.band-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card .clause{margin-bottom:14px}
.card p{font-size:15px;color:var(--slate);margin-top:8px}
.band-ink .card{background:#191C28;border-color:#2A2E3C}
.band-ink .card p{color:#9AA0AD}
.band-ink .card h3{color:#fff}

/* audit trail (dashed rail) */
.trail{position:relative;padding-left:34px;display:grid;gap:34px}
.trail::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;border-left:2px dashed var(--line)}
.trail .step{position:relative}
.trail .step::before{content:"";position:absolute;left:-34px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--paper);border:2px solid var(--green)}
.trail .step h3{margin-bottom:4px}
.trail .step p{color:var(--slate);font-size:15.5px;max-width:60ch}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:#fff;padding:26px 22px}
.stat .n{font-weight:800;font-size:34px;letter-spacing:-.03em}
.stat .n em{color:var(--green);font-style:normal}
.stat .l{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-top:6px}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.plan.featured{border:2px solid var(--green);position:relative;box-shadow:0 18px 44px rgba(12,124,89,.12)}
.plan .flag{position:absolute;top:-13px;left:26px;background:var(--green);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.12em;padding:4px 12px;border-radius:999px;text-transform:uppercase}
.price{font-size:42px;font-weight:800;letter-spacing:-.03em;margin:14px 0 2px}
.price span{font-size:15px;font-weight:500;color:var(--slate)}
.plan ul{list-style:none;margin:20px 0 26px;display:grid;gap:11px;flex:1}
.plan li{padding-left:26px;position:relative;font-size:14.8px}
.plan li::before{content:"§";position:absolute;left:0;color:var(--green);font-family:var(--mono);font-weight:600}
.plan li.no{color:#9AA0AD}
.plan li.no::before{content:"—";color:#C4C8CF}

/* tables */
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);background:var(--paper)}
tr:last-child td{border-bottom:none}
.tag{display:inline-block;font-family:var(--mono);font-size:11px;padding:3px 10px;border-radius:999px;letter-spacing:.06em}
.tag.hi{background:var(--amber-tint);color:#9A5E14}
.tag.ok{background:var(--green-tint);color:var(--green-dark)}
.tag.ink{background:#E8EAEE;color:var(--ink)}

/* quotes */
.quote{border-left:3px solid var(--green);padding:6px 0 6px 22px;font-size:18px;line-height:1.55}
.quote footer{font-family:var(--mono);font-size:12.5px;color:var(--slate);margin-top:12px}

/* FAQ */
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-bottom:12px}
details summary{cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::after{content:"+";font-family:var(--mono);color:var(--green);font-size:18px}
details[open] summary::after{content:"–"}
details p{margin-top:12px;color:var(--slate);font-size:15px}

/* forms */
.field{display:grid;gap:6px;margin-bottom:16px}
.field label{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
input[type=text],input[type=email],select,textarea{font-family:var(--sans);font-size:15px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--green);border-color:var(--green)}
.inline-form{display:flex;gap:10px;max-width:460px}
.inline-form input{flex:1}
.form-note{font-family:var(--mono);font-size:11.5px;color:var(--slate);margin-top:10px}

/* readiness checker */
.checker{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:0 24px 60px rgba(18,20,29,.08)}
.checker-head{background:var(--ink);color:#fff;padding:22px 28px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.checker-head .mono{font-family:var(--mono);font-size:12px;color:#9AA0AD}
.checker-body{padding:28px}
.q{margin-bottom:22px}
.q p{font-weight:600;margin-bottom:10px}
.opts{display:flex;gap:10px;flex-wrap:wrap}
.opts label{border:1px solid var(--line);border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer;background:var(--paper)}
.opts input{position:absolute;opacity:0}
.opts label:has(input:checked){border-color:var(--green);background:var(--green-tint);color:var(--green-dark);font-weight:600}
.opts label:has(input:focus-visible){outline:2px solid var(--green)}
.meter{height:12px;border-radius:999px;background:var(--line);overflow:hidden;margin:14px 0 8px}
.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--amber),var(--green));transition:width .6s ease}
.result-box{border:1px dashed var(--green);border-radius:10px;padding:22px;background:var(--green-tint);margin-top:18px}
.locked{filter:blur(4px);user-select:none;pointer-events:none}
.gate{margin-top:18px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}
.hidden{display:none}

/* footer */
footer.site{background:var(--ink);color:#9AA0AD;padding:60px 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
footer.site h4{color:#fff;font-size:13px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
footer.site ul{list-style:none;display:grid;gap:9px}
footer.site a{color:#9AA0AD;text-decoration:none}
footer.site a:hover{color:#fff}
.foot-bottom{border-top:1px solid #2A2E3C;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:12px}
.badge-strip{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.badge-strip .tag{background:#191C28;color:#7FD4B5;border:1px solid #2A2E3C}

/* page hero (inner pages) */
.page-hero{padding:64px 0 48px;border-bottom:1px solid var(--line)}
.page-hero .lede{margin-bottom:0}

/* responsive */
@media(max-width:960px){
  .hero-grid,.grid-3,.grid-4,.plans,.foot-grid{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .hero-grid,.grid-2,.grid-3,.grid-4,.plans,.foot-grid,.stats{grid-template-columns:1fr}
  .nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;padding:18px 24px;gap:16px;align-items:flex-start}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .nav-cta .btn-ghost{display:none}
  section{padding:56px 0}
  .hero{padding:56px 0}
  .inline-form{flex-direction:column}
}

/* ================= v2 — graphics & motion layer ================= */
.hero{background-image:linear-gradient(rgba(18,20,29,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(18,20,29,.05) 1px,transparent 1px);background-size:34px 34px}
.card{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(18,20,29,.10);border-color:#C9CDD3}
.band-ink .card:hover{border-color:#3A3F4E;box-shadow:0 16px 34px rgba(0,0,0,.35)}
.icon{width:40px;height:40px;border-radius:10px;background:var(--green-tint);display:grid;place-items:center;margin-bottom:14px}
.icon svg{width:20px;height:20px;stroke:var(--green);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* scroll reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}
/* regulation ticker */
.ticker{background:var(--ink);color:#C8CBD4;overflow:hidden;padding:13px 0;font-family:var(--mono);font-size:12.5px;border-top:1px solid #2A2E3C;border-bottom:1px solid #2A2E3C}
.ticker-track{display:flex;gap:48px;white-space:nowrap;width:max-content;animation:tickmove 38s linear infinite}
.ticker-track:hover{animation-play-state:paused}
.ticker span{display:inline-flex;gap:10px;align-items:center}
.ticker b{color:#7FD4B5;font-weight:600}
.ticker .warn{color:#F4C57E}
@keyframes tickmove{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker-track{animation:none}}
/* dashboard mock */
.hero-visual{position:relative}
.dash{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 30px 70px rgba(18,20,29,.16);overflow:hidden;position:relative}
.dash-top{display:flex;justify-content:space-between;align-items:center;background:var(--ink);color:#fff;padding:12px 18px;font-family:var(--mono);font-size:11.5px}
.dash-top .dots i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px;background:#3A3F4E}
.dash-body{display:grid;grid-template-columns:auto 1fr;gap:20px;padding:20px;align-items:center}
.donut{position:relative;width:118px;height:118px;flex:none}
.donut svg{transform:rotate(-90deg);width:100%;height:100%}
.donut .val{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;font-size:21px;letter-spacing:-.02em}
.donut circle{fill:none;stroke-width:12}
.donut .track{stroke:var(--line)}
.donut .arc{stroke:var(--green);stroke-linecap:round;stroke-dasharray:314;stroke-dashoffset:314;transition:stroke-dashoffset 1.5s ease .3s}
.sysrows{display:grid;gap:9px;min-width:0}
.sysrow{display:flex;justify-content:space-between;gap:8px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:12px;background:var(--paper)}
.sysrow .nm{font-family:var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sysrow.new{animation:rowin .5s ease}
@keyframes rowin{from{opacity:0;transform:translateX(14px)}}
.scanline{position:absolute;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--green),transparent);animation:scan 3.6s ease-in-out infinite;opacity:.65;pointer-events:none}
@keyframes scan{0%,100%{top:16%}50%{top:90%}}
.stamp-mini{position:absolute;right:-16px;bottom:-22px;width:122px;height:122px;border-radius:50%;background:#fff;border:2px dashed var(--green);display:grid;place-items:center;text-align:center;font-family:var(--mono);font-size:10px;line-height:1.5;color:var(--green);transform:rotate(-8deg);box-shadow:0 12px 30px rgba(18,20,29,.18);animation:bob 5s ease-in-out infinite}
@keyframes bob{0%,100%{transform:rotate(-8deg) translateY(0)}50%{transform:rotate(-6deg) translateY(-7px)}}
/* animated bar chart */
.bars{display:grid;gap:12px;margin-top:24px}
.bar{display:grid;grid-template-columns:170px 1fr 110px;gap:12px;align-items:center;font-size:13.5px}
.bar .tr{height:12px;border-radius:999px;background:var(--line);overflow:hidden}
.bar .tr i{display:block;height:100%;width:0;background:var(--amber);border-radius:999px;transition:width 1.1s ease .2s}
.bar .tr i.g{background:var(--green)}
.bar .v{font-family:var(--mono);text-align:right;color:var(--slate)}
@media(max-width:680px){
  .dash-body{grid-template-columns:1fr;justify-items:center}
  .stamp-mini{right:4px;bottom:-16px;width:104px;height:104px}
  .bar{grid-template-columns:110px 1fr 84px;font-size:12px}
}

/* ================= v3 — FIXCO PRO SERVICES brand theme ================= */
:root{
  --ink:#14263A;            /* logo navy */
  --navy-deep:#0E1B2B;
  --green:#6FA82E;          /* logo lime, darkened for contrast */
  --green-dark:#578A20;
  --green-tint:#EDF5E1;
  --lime:#8CC63E;           /* pure logo lime for accents on dark */
  --steel:#9FB0C0;
  --paper:#F4F7FA;
  --line:#D8DEE6;
  --slate:#54677A;
}
/* remove the pushy top banner */
.topbar{display:none}
/* navy header with real logo */
header.site{background:var(--ink);border-bottom:1px solid #22364D;backdrop-filter:none}
.nav-links a{color:#AEBCCB}
.nav-links a:hover,.nav-links a[aria-current]{color:#fff}
.nav-links a[aria-current]{border-bottom:2px solid var(--lime);padding-bottom:4px}
.logo{color:#fff}
.logo img{width:40px;height:40px;border-radius:9px;display:block}
.logo .tld{color:var(--lime)}
.logo .seal{display:none}
.menu-btn{border-color:#33475E;color:#fff;background:transparent}
@media(max-width:680px){.nav-links{background:var(--ink);border-color:#22364D}}
.btn-ghost{border-color:#fff;color:#fff}
main .btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-primary{background:var(--green)}
.btn-primary:hover{background:var(--green-dark)}
/* navy hero with wifi-arc motif from the logo */
.hero-navy{background:radial-gradient(1100px 520px at 78% -10%, #1D3550 0%, var(--navy-deep) 58%);color:#fff;background-image:none;padding:88px 0 96px;position:relative;overflow:hidden}
.hero-navy::before{content:"";position:absolute;right:-140px;top:-140px;width:560px;height:560px;border-radius:50%;border:1.5px solid rgba(140,198,62,.25);box-shadow:0 0 0 70px rgba(140,198,62,.06),0 0 0 150px rgba(159,176,192,.05)}
.hero-navy .lede{color:#B9C6D4}
.hero-navy h1{color:#fff}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.22em;color:var(--lime);text-transform:uppercase;margin-bottom:18px;display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--lime)}
/* the FIX CO wordplay */
h1 .co{color:var(--lime)}
h1 .rot{color:#DCE6F0;border-right:3px solid var(--lime);padding-right:4px;font-weight:800}
.hero-navy .form-note{color:#8FA1B3}
/* pillars */
.pillars .card{border-top:4px solid var(--lime)}
/* tabs component */
.tabs{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.tab-list{display:flex;flex-wrap:wrap;background:var(--paper);border-bottom:1px solid var(--line);padding:8px;gap:6px}
.tab{border:none;background:transparent;font-family:var(--sans);font-weight:600;font-size:14px;color:var(--slate);padding:10px 16px;border-radius:8px;cursor:pointer}
.tab:hover{color:var(--ink)}
.tab.on{background:var(--ink);color:#fff}
.tab-panels{padding:28px}
.panel{display:none;animation:fadein .35s ease}
.panel.on{display:block}
.panel h3{margin-bottom:8px}
.panel p{color:var(--slate);max-width:70ch}
.panel .grid-2{margin-top:18px}
@keyframes fadein{from{opacity:0;transform:translateY(8px)}}
.band-ink{background:var(--ink)}
.band-ink .card{background:#1B3049;border-color:#2B415B}
.band-ink .tab-list{background:#0E1B2B;border-color:#2B415B}
/* avatars — the human touch */
.avatars{display:flex;margin:14px 0 6px}
.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(145deg,#2C4562,#16283C);color:var(--lime);font-weight:700;font-size:15px;display:grid;place-items:center;border:2px solid #fff;margin-left:-10px}
.avatar:first-child{margin-left:0}
.avatar.lime{background:linear-gradient(145deg,var(--lime),var(--green-dark));color:#fff}
/* ticker retired in v3 */
.ticker{display:none}
/* dashboard mock recolor */
.dash-top{background:var(--ink)}
.dash{box-shadow:0 34px 80px rgba(4,12,22,.5)}
.donut .arc{stroke:var(--lime)}
.stamp-mini{border-color:var(--lime);color:var(--green-dark)}
.scanline{background:linear-gradient(90deg,transparent,var(--lime),transparent)}
footer.site{background:var(--navy-deep)}
.foot-bottom{border-color:#22364D}
.badge-strip .tag{background:#16283C;color:var(--lime);border-color:#2B415B}

/* ================= v4 — accessibility: header controls, address, dark theme ================= */
/* --- header utility controls (language + theme) --- */
.nav-utils{display:flex;align-items:center;gap:8px;margin-right:2px}
.lang-select{appearance:none;-webkit-appearance:none;background-color:transparent;color:#fff;border:1px solid #33475E;border-radius:8px;padding:7px 26px 7px 10px;font-family:var(--mono);font-size:12px;font-weight:500;cursor:pointer;line-height:1;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'><path d='M1 1l4 4 4-4' stroke='%238CC63E' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");background-repeat:no-repeat;background-position:right 9px center}
.lang-select:hover{border-color:#4B667F}
.lang-select option{color:#14263A;background:#fff}
.theme-toggle{display:inline-grid;place-items:center;width:38px;height:38px;border:1px solid #33475E;border-radius:8px;background:transparent;color:#fff;cursor:pointer;padding:0}
.theme-toggle:hover{border-color:var(--lime)}
.theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .i-sun{display:none}
.theme-toggle .i-moon{display:block}
html[data-theme="dark"] .theme-toggle .i-moon{display:none}
html[data-theme="dark"] .theme-toggle .i-sun{display:block}

/* --- footer / contact postal address --- */
.site-address{font-family:var(--mono);font-size:12.5px;line-height:1.7;color:#9AA0AD;margin-top:16px;font-style:normal}
.site-address strong{color:#fff;display:block;letter-spacing:.02em}
.contact-address{font-family:var(--mono);font-size:14px;line-height:1.9;margin-top:2px}

@media(max-width:680px){
  .nav-utils{gap:6px}
  .lang-select{padding:6px 22px 6px 8px;font-size:11px;background-position:right 7px center}
  .theme-toggle{width:34px;height:34px}
  .theme-toggle svg{width:16px;height:16px}
  .nav-cta{gap:8px}
}

/* ============================================================
   DARK THEME  —  html[data-theme="dark"]
   Deep-navy, high-contrast (WCAG AAA body text) for low-vision comfort.
   Light theme remains available via the header toggle.
   ============================================================ */
html[data-theme="dark"]{
  color-scheme:dark;
  --paper:#0B1A2B;         /* page background (deepest) */
  --line:#284763;          /* hairlines, visible on dark */
  --slate:#AABDCE;         /* secondary text — AAA on all surfaces */
  --green:#A7DB4E;         /* links, §, accents — bright on dark */
  --green-dark:#8CC63E;
  --green-tint:#15351C;     /* dark green fill for chips/result box */
  --amber:#E8A24B;
}
html[data-theme="dark"] body{background:var(--paper);color:#EAF1F8}

/* surfaces that were white → layered dark navies (depth preserved) */
html[data-theme="dark"] .card,
html[data-theme="dark"] .stat,
html[data-theme="dark"] .plan,
html[data-theme="dark"] table,
html[data-theme="dark"] .tabs,
html[data-theme="dark"] .checker,
html[data-theme="dark"] details,
html[data-theme="dark"] .dash{background:#15304A}
html[data-theme="dark"] .band-white{background:#0F2234;border-color:var(--line)}
html[data-theme="dark"] th{background:#0F2234;color:var(--slate)}
html[data-theme="dark"] .tab-list{background:#0F2234}
html[data-theme="dark"] .tab:hover{color:#EAF1F8}
html[data-theme="dark"] .sysrow,
html[data-theme="dark"] .opts label,
html[data-theme="dark"] .gate{background:#0C2135}
html[data-theme="dark"] input[type=text],
html[data-theme="dark"] input[type=email],
html[data-theme="dark"] select,
html[data-theme="dark"] textarea{background:#0C2135;color:#EAF1F8;border-color:var(--line)}
html[data-theme="dark"] input::placeholder,
html[data-theme="dark"] textarea::placeholder{color:#7C90A3}

/* accent + button contrast fixes on dark */
html[data-theme="dark"] .btn-primary{background:#8CC63E;color:#08131F}
html[data-theme="dark"] .btn-primary:hover{background:#9BD64A}
html[data-theme="dark"] .btn-ink{background:#1B3049;color:#fff}
html[data-theme="dark"] main .btn-ghost,
html[data-theme="dark"] .btn-ghost{border-color:#3E5C77;color:#EAF1F8;background:transparent}
html[data-theme="dark"] .btn-ghost:hover{background:#EAF1F8;color:#0B1A2B}
html[data-theme="dark"] .plan .flag,
html[data-theme="dark"] .plan.featured .flag{background:#8CC63E;color:#08131F}
html[data-theme="dark"] .plan.featured{border-color:#8CC63E;box-shadow:0 18px 44px rgba(0,0,0,.45)}

/* tags — consistent translucent chips, AAA text */
html[data-theme="dark"] .tag.ok{background:rgba(140,198,62,.16);color:#B7E56A}
html[data-theme="dark"] .tag.hi{background:rgba(232,162,75,.18);color:#F0B667}
html[data-theme="dark"] .tag.ink{background:rgba(233,238,244,.14);color:#EAF1F8}

/* misc surfaces */
html[data-theme="dark"] .icon{background:#15351C}
html[data-theme="dark"] .result-box{background:#12291A;border-color:#8CC63E}
html[data-theme="dark"] .stamp-mini{background:#15304A;color:#B7E56A;border-color:var(--lime)}
html[data-theme="dark"] .avatar{border-color:#15304A}
html[data-theme="dark"] .card:hover{border-color:#3A5876;box-shadow:0 16px 34px rgba(0,0,0,.5)}
html[data-theme="dark"] .band-ink .card{background:#1B3049;border-color:#2B415B}
html[data-theme="dark"] .dash{box-shadow:0 34px 80px rgba(0,0,0,.6)}
html[data-theme="dark"] .page-hero{border-color:var(--line)}
html[data-theme="dark"] .meter,
html[data-theme="dark"] .bar .tr{background:#243B52}

/* source caption for cited figures */
.src{font-family:var(--mono);font-size:11px;opacity:.8;letter-spacing:.02em;display:inline-block;margin-top:6px}