/* BPExchOnline — v6 design. Mobile-first, no layout shift, no horizontal scroll at any width. */
:root{
  --bg:#071a11; --bg2:#0b2418; --surface:#0f2c1d; --surface2:#143725;
  --ink:#f2f8f3; --muted:#b9d1c2; --faint:#86a593;
  --accent:#7fe07a; --accent2:#b6f7a0; --accent-ink:#06280f;
  --line:rgba(255,255,255,.10); --line2:rgba(127,224,122,.45);
  --back:#8cc4f5; --lay:#f6b0c3; --gold:#ffd479; --danger:#ff9b9b;
  --r:14px; --r-lg:20px; --max:1120px; --gutter:16px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --fs:clamp(16px,1vw + 13px,17.5px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--fs)/1.7 "Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:84px}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(70vw 40vh at 10% -10%,rgba(127,224,122,.16),transparent 60%),radial-gradient(60vw 40vh at 95% 0%,rgba(20,120,80,.22),transparent 60%),linear-gradient(170deg,#0a2015 0%,#071a11 45%,#040f09 100%)}
img,video,audio,picture,svg{max-width:100%;height:auto;display:block}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{overflow-wrap:anywhere}
p,li,td,th{overflow-wrap:break-word}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.rv{opacity:1;transform:none}
.small{font-size:.86em;color:var(--faint)}
.updated{margin-top:28px;padding-top:14px;border-top:1px solid var(--line)}
.dateline{font-size:.86em;color:var(--gold);font-weight:650;margin:2px 0 12px}
section{padding:4px 0}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(7,26,17,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hbar{display:flex;align-items:center;gap:10px;min-height:60px;position:relative}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:850;font-size:20px;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand img{width:34px;height:34px;border-radius:9px}
.brand em{font-style:normal;color:var(--accent)}
#menuBtn{margin-left:auto;display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:11px;padding:0 14px;height:42px;font:inherit;font-size:15px;font-weight:700;cursor:pointer}
nav.main{display:none;position:absolute;top:calc(100% + 8px);left:0;right:0;flex-direction:column;gap:2px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:8px;box-shadow:var(--shadow)}
nav.main.open{display:flex}
nav.main a{display:flex;align-items:center;min-height:46px;padding:8px 14px;border-radius:10px;color:var(--ink);font-weight:650;font-size:16px}
nav.main a:hover{background:var(--surface2);text-decoration:none}
.cta-head{margin-top:6px;justify-content:center;background:linear-gradient(135deg,#8ce86a,#4cc24e);color:var(--accent-ink)!important;font-weight:800!important}
@media (min-width:1024px){
  .hbar{min-height:68px}
  #menuBtn{display:none}
  nav.main{display:flex;position:static;flex-direction:row;align-items:center;gap:2px;margin-left:auto;background:none;border:0;padding:0;box-shadow:none}
  nav.main a{min-height:40px;padding:6px 11px;font-size:14.5px}
  .cta-head{margin:0 0 0 8px;padding:6px 16px!important;border-radius:11px;box-shadow:0 6px 18px rgba(110,220,110,.3)}
}

/* ---------- breadcrumbs / hero ---------- */
.crumbs{font-size:13.5px;color:var(--faint);padding:14px 0 0;line-height:1.5}
.crumbs a{color:var(--muted);display:inline-block;padding:4px 1px}
.hero{padding:26px 0 8px}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:rgba(127,224,122,.1);border:1px solid var(--line2);padding:5px 11px;border-radius:99px;margin-bottom:14px}
h1{font-size:clamp(27px,5.6vw,44px);line-height:1.15;letter-spacing:-.025em;margin:0 0 14px;font-weight:850}
h1 .hl{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(16.5px,2.2vw,19px);color:var(--muted);max-width:46em;margin:0 0 8px}
h2{font-size:clamp(21px,3.2vw,29px);letter-spacing:-.02em;line-height:1.25;margin:38px 0 10px;font-weight:800}
h3{font-size:clamp(17px,2.2vw,19px);margin:22px 0 8px;font-weight:750}
p{margin:0 0 14px}

/* ---------- buttons / cta ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;background:linear-gradient(135deg,#8ce86a,#4cc24e);color:var(--accent-ink);font-weight:800;padding:12px 22px;border-radius:13px;box-shadow:0 8px 22px rgba(110,220,110,.28);transition:transform .15s,filter .15s;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px);filter:brightness(1.05)}
.btn.ghost{background:var(--surface);color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btnrow{display:flex;flex-direction:column;gap:10px;margin:18px 0 6px}
@media (min-width:600px){.btnrow{flex-direction:row;flex-wrap:wrap}}
.float{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:center;justify-content:center;min-height:60px;padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom));background:linear-gradient(135deg,#8ce86a,#4cc24e);color:var(--accent-ink);font-weight:850;font-size:16px;box-shadow:0 -8px 24px rgba(0,0,0,.35)}
.float:hover{text-decoration:none;filter:brightness(1.05)}
@media (min-width:1024px){
  body{padding-bottom:0}
  .float{left:auto;right:20px;bottom:20px;min-height:0;padding:14px 22px;border-radius:99px;box-shadow:0 14px 34px rgba(80,200,90,.4)}
}

/* ---------- surfaces ---------- */
.glass{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg)}
.answer{padding:16px 18px;margin:18px 0;border-left:4px solid var(--accent)}
.answer .tag,.warn .tag,.verdict .tag{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:6px;color:var(--accent)}
.answer p{margin:0;font-size:1.02em}
.warn{border-left:4px solid var(--gold);padding:16px 18px;margin:18px 0}
.warn .tag{color:var(--gold)} .warn p{margin:0}
.verdict{border-left:4px solid var(--accent2);padding:16px 18px;margin:18px 0}
.verdict .tag{color:var(--accent2)} .verdict p{margin:0}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:8px 13px;font-size:14.5px;color:var(--ink);border-radius:12px}
.chip b{color:var(--accent);font-size:16px}
.chip a{color:var(--ink)}
.grid{display:grid;gap:14px;margin:16px 0;grid-template-columns:1fr}
@media (min-width:700px){.g2,.g3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.g3{grid-template-columns:repeat(3,1fr)}}
.card{padding:18px 18px;transition:border-color .2s}
.card:hover{border-color:var(--line2)}
.card h3{margin-top:0}
.card p:last-child{margin-bottom:0}
.card .go{font-weight:700;font-size:15px}
.split{display:grid;gap:22px;align-items:start;grid-template-columns:1fr}
@media (min-width:900px){.split{grid-template-columns:1.15fr .85fr}}

/* ---------- tables: stacked cards on phones, real tables from 700px ---------- */
.tblwrap{padding:4px 14px 8px;margin:16px 0;overflow:hidden}
table{width:100%;border-collapse:collapse;margin:10px 0;font-size:.95em}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--accent);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase}
@media (max-width:699px){
  table.stack thead{display:none}
  table.stack,table.stack tbody,table.stack tr,table.stack td{display:block;width:100%}
  table.stack tr{padding:8px 0;border-bottom:1px solid var(--line)}
  table.stack tr:last-child{border-bottom:0}
  table.stack td{border:0;padding:4px 0}
  table.stack td[data-label]::before{content:attr(data-label);display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:2px}
  table.stack td[colspan]{padding-top:8px}
}
.kv table{min-width:0}
.kv td:first-child{color:var(--muted);width:44%}
.kv td:last-child{font-weight:700;color:var(--ink)}

/* ---------- lists ---------- */
ol.steps{counter-reset:st;list-style:none;padding:0;margin:14px 0}
ol.steps li{counter-increment:st;position:relative;padding:12px 14px 12px 54px;margin:10px 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
ol.steps li::before{content:counter(st);position:absolute;left:12px;top:12px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#8ce86a,#4cc24e);color:var(--accent-ink);font-weight:850;display:flex;align-items:center;justify-content:center;font-size:15px}
ul.tick{list-style:none;padding:0;margin:12px 0}
ul.tick li{padding:6px 0 6px 28px;position:relative}
ul.tick li::before{content:"✓";position:absolute;left:2px;color:var(--accent);font-weight:800}
details.faq{padding:2px 16px;margin:10px 0}
details.faq summary{cursor:pointer;font-weight:700;font-size:1.02em;padding:12px 28px 12px 0;list-style:none;position:relative;min-height:46px;display:flex;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--accent);font-size:22px;line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq p{color:var(--muted);padding-bottom:14px;margin:0}
.faqgroup h3{margin-top:30px;color:var(--accent);font-size:14px;letter-spacing:.1em;text-transform:uppercase}

/* ---------- toc / byline ---------- */
.toc{padding:14px 16px;margin:16px 0 4px}
.toc b{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.toc ol{margin:0;padding-left:20px;font-size:15px}
.toc li{margin:3px 0}
.toc a{color:var(--muted)} .toc a:hover{color:var(--accent2)}
@media (min-width:700px){.toc ol{columns:2;column-gap:28px}.toc li{break-inside:avoid}}
.byline{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);margin:4px 0 12px}
.byline .av{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#8ce86a,#4cc24e);color:var(--accent-ink);font-weight:850;display:flex;align-items:center;justify-content:center;flex:none}

/* ---------- media ---------- */
figure.photo{margin:18px 0}
figure.photo img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line)}
figure.photo figcaption{color:var(--faint);font-size:14px;margin-top:8px}
.listen{display:flex;flex-direction:column;gap:8px;padding:12px 14px;margin:16px 0 4px}
.listen .lt{font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.listen .ld{color:var(--muted);font-size:14px}
.listen audio{width:100%;height:40px}
@media (min-width:700px){.listen{flex-direction:row;align-items:center;flex-wrap:wrap}.listen audio{flex:1;min-width:220px;width:auto}}
video.player{width:100%;aspect-ratio:16/9;background:#000;border-radius:var(--r)}
.vidwrap{padding:12px;margin:16px 0}
.vidwrap .cap{padding:10px 4px 2px}
.vidwrap .cap b{display:block;font-size:16.5px}
.vidwrap .cap span{color:var(--muted);font-size:14.5px}

/* ---------- odds board / phone mock ---------- */
.board{padding:16px}
.board .match{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:2px 12px;border-bottom:1px solid var(--line);padding:8px 0}
.board .match b{font-size:16px} .board .match span{color:var(--faint);font-size:13px}
.ladder{display:grid;grid-template-columns:1fr 64px 64px;gap:6px;margin-top:10px;font-size:14px}
.ladder .hd{color:var(--faint);font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;padding:2px 6px}
.ladder .tm{padding:8px;border-radius:9px;background:rgba(255,255,255,.04)}
.ladder .bk,.ladder .ly{padding:8px 4px;border-radius:9px;text-align:center;font-weight:750;color:#08130c}
.ladder .bk{background:var(--back)} .ladder .ly{background:var(--lay)}
.ladder small{display:block;font-weight:500;font-size:11px;opacity:.75}
.phone{width:min(250px,86vw);margin:0 auto;border-radius:30px;padding:10px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.phone .scr{border-radius:22px;background:linear-gradient(170deg,#0a2e1e,#051a10);padding:14px;min-height:340px}
.phone .bar{display:flex;justify-content:space-between;font-size:12px;color:var(--faint);margin-bottom:10px}
.phone .bal{font-size:22px;font-weight:850}
.phone .row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:13.5px}

/* ---------- cards: next / testimonials / downloads / cities ---------- */
.nextgrid,.citygrid,.tgrid,.dlgrid{display:grid;gap:12px;margin:14px 0;grid-template-columns:1fr}
@media (min-width:700px){.nextgrid,.citygrid,.tgrid,.dlgrid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.nextgrid.hubgrid,.citygrid{grid-template-columns:repeat(3,1fr)}}
.nextcard,.citygrid a,.dlcard{padding:16px;display:block;color:var(--ink);transition:border-color .2s}
.nextcard:hover,.citygrid a:hover,.dlcard:hover{text-decoration:none;border-color:var(--line2)}
.nextcard b,.citygrid a b,.dlcard b{color:var(--accent2);font-size:16.5px;display:block;margin-bottom:4px}
.nextcard span,.citygrid a span,.dlcard span{color:var(--muted);font-size:14.5px}
.dlcard .fmt{color:var(--gold);font-weight:800;font-size:12px;letter-spacing:.1em}
.tcard{padding:16px 18px}
.tcard p{font-size:15.5px;margin:0 0 8px}
.tcard .who{color:var(--accent);font-weight:750;font-size:14.5px}
.tcard .who span{color:var(--faint);font-weight:500}
.indexlist .card h3{font-size:17px}
.pros{display:grid;gap:12px;margin:14px 0;grid-template-columns:1fr}
@media (min-width:700px){.pros{grid-template-columns:1fr 1fr}}

/* ---------- calculator ---------- */
.calc{padding:16px;margin:16px 0}
.calc .row{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:700px){.calc .row{grid-template-columns:repeat(3,1fr)}}
.calc label{font-size:14px;color:var(--muted);display:block}
.calc input[type=number],.calc input[type=text]{width:100%;margin-top:6px;padding:11px 12px;border-radius:11px;border:1px solid var(--line);background:rgba(0,0,0,.35);color:var(--ink);font-size:17px;font-weight:650;min-height:46px}
.calc input[type=range]{width:100%;margin-top:10px;accent-color:var(--accent)}
.calc .out{display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}
@media (min-width:480px){.calc .out{grid-template-columns:1fr 1fr}}
.calc .cell{background:rgba(0,0,0,.28);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.calc .cell small{display:block;color:var(--faint);font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.calc .cell b{font-size:20px;color:var(--accent2)}

/* ---------- glossary ---------- */
.gloss-nav{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.gloss-nav a{padding:8px 12px;border-radius:9px;background:var(--surface);border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:14px;min-height:40px;display:inline-flex;align-items:center}
dl.gloss{margin:14px 0}
dl.gloss dt{font-weight:800;font-size:17px;margin-top:16px;color:var(--accent2)}
dl.gloss dt .ur{font-weight:600;color:var(--faint);font-size:14px;margin-left:8px}
dl.gloss dd{margin:5px 0 0;color:var(--muted)}

/* ---------- footer ---------- */
footer.site{margin-top:56px;border-top:1px solid var(--line);background:rgba(3,14,9,.7)}
.fgrid{display:grid;gap:22px;padding:34px 0 10px;grid-template-columns:1fr}
@media (min-width:700px){.fgrid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.fgrid{grid-template-columns:1.4fr 1fr 1fr}}
footer.site h4{margin:0 0 10px;font-size:13.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin:0;font-size:15px}
footer.site li a{display:inline-block;padding:6px 0;color:var(--muted)}
footer.site a:hover{color:var(--accent2)}
.fbase{border-top:1px solid var(--line);padding:14px 0 18px;font-size:13.5px;color:var(--faint);display:flex;gap:8px 16px;flex-wrap:wrap;justify-content:space-between}
.fbase a{color:var(--muted);display:inline-block;padding:4px 0}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.card{transition:none}}
@media print{header.site,.float,footer.site,.listen,.vidwrap,.toc{display:none}body{background:#fff;color:#000;padding:0}}

/* ---- v5 additions ---- */
.toc{padding:16px 20px;margin:18px 0 6px}
.toc b{display:block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px;font-size:15.5px}
.toc li{margin:4px 0;break-inside:avoid}
.toc a{color:var(--muted)} .toc a:hover{color:var(--accent2)}
.byline{display:flex;align-items:center;gap:12px;font-size:14.5px;color:var(--muted);margin:4px 0 14px}
.byline .av{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#8ce86a,#4cc24e);color:#06280f;font-weight:850;display:flex;align-items:center;justify-content:center;flex:none}
picture{display:block}
.related{margin-top:10px}
.kv{padding:6px 18px 12px;margin:18px 0}
.kv table{min-width:0}
.kv td:first-child{color:var(--muted);width:42%}
.kv td:last-child{font-weight:700;color:var(--ink)}
dl.gloss{margin:16px 0}
dl.gloss dt{font-weight:800;font-size:18px;margin-top:18px;color:var(--accent2)}
dl.gloss dt .ur{font-weight:600;color:var(--faint);font-size:15px;margin-left:8px}
dl.gloss dd{margin:6px 0 0;color:var(--muted)}
.gloss-nav{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.gloss-nav a{padding:6px 11px;border-radius:9px;background:var(--glass);border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:14px}
.citygrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.citygrid a{padding:16px 18px;display:block;color:var(--ink)}
.citygrid a b{display:block;color:var(--accent2);font-size:17px;margin-bottom:3px}
.citygrid a span{color:var(--muted);font-size:14.5px}
.citygrid a:hover{text-decoration:none;border-color:var(--line2);transform:translateY(-2px)}
.fgrid.f5{grid-template-columns:1.4fr 1fr 1fr 1fr 1.1fr}
footer.site h4 a{color:var(--accent)}
.wa-ico{display:inline-block;width:1em;height:1em;vertical-align:-.12em;margin-right:.35em}
.pros{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}
.pros .card h3{font-size:16px;letter-spacing:.06em;text-transform:uppercase}
.verdict{border-left:3px solid var(--accent2);padding:18px 20px;margin:20px 0}
.verdict .tag{color:var(--accent2);font-size:12.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:5px}
.verdict p{margin:0}
.faqgroup h3{margin-top:34px;color:var(--accent);font-size:15px;letter-spacing:.1em;text-transform:uppercase}
@media (max-width:900px){.fgrid.f5{grid-template-columns:1fr 1fr}.citygrid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.toc ol{columns:1}.fgrid.f5,.citygrid,.pros{grid-template-columns:1fr}}