/* T20 Exchange — t20exch.org
   Shared shell only: tokens, header, login/signup card base, footer, repeated blocks.
   Anything unique to a single page lives in that page's own <style> block. */

:root{
  /* palette taken from the live T20 Exchange panel: emerald gradient + gold */
  --grn-lit:#1a8a63;
  --grn:#0e6b4c;
  --grn-deep:#05503a;
  --bg:#04170f;
  --bg-2:#07231a;
  --panel:#0b2e22;
  --panel-2:#10402f;
  --line:#1d5842;
  --line-soft:#153f30;
  --gold:#ffc107;
  --gold-lit:#ffd54a;
  --gold-deep:#c99000;
  --blue:#1f66c4;
  --txt:#eaf5ef;
  --txt-dim:#9dc0ae;
  --txt-faint:#6e9382;
  --radius:12px;
  --radius-sm:7px;
  --wrap:1120px;
  --shadow:0 18px 42px rgba(0,0,0,.48);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--txt);
  font-family:"Segoe UI",Roboto,ui-sans-serif,system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.76;overflow-x:hidden;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.24;margin:0 0 14px;font-weight:800;letter-spacing:-.25px}
h1{font-size:2.15rem}
h2{font-size:1.58rem}
h3{font-size:1.16rem;color:var(--gold)}
h4{font-size:1rem}
p{margin:0 0 17px}
ul,ol{margin:0 0 17px;padding-left:21px}
li{margin-bottom:9px}
strong{color:#fff}
hr{border:none;border-top:1px solid var(--line-soft);margin:30px 0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 18px}

.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--gold);color:#04170f;
  padding:10px 16px;font-weight:800;border-radius:0 0 var(--radius-sm) 0}
.skip-link:focus{left:0}

/* ---------------- header ---------------- */
.strip{background:linear-gradient(90deg,var(--grn-deep),var(--grn) 55%,var(--bg-2));
  border-bottom:1px solid var(--line-soft);font-size:.75rem;letter-spacing:.5px;
  text-transform:uppercase;font-weight:700;color:#cfeadd}
.strip div{max-width:var(--wrap);margin:0 auto;padding:6px 18px;display:flex;
  gap:20px;justify-content:center;flex-wrap:wrap}
.strip span{white-space:nowrap}

.site-head{position:sticky;top:0;z-index:120;background:rgba(4,23,15,.97);
  border-bottom:1px solid var(--line);backdrop-filter:blur(9px)}
.head-row{max-width:var(--wrap);margin:0 auto;padding:10px 18px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;position:relative}
.brand{display:flex;align-items:center;gap:9px;flex-shrink:0}
.brand img{width:104px;height:58px;object-fit:contain;display:block}
.nav{display:flex;align-items:center;gap:15px}
.nav a{color:var(--txt-dim);font-size:.85rem;font-weight:600;white-space:nowrap}
.nav a:hover{color:var(--gold);text-decoration:none}
.nav a[aria-current="page"]{color:var(--gold)}
.head-cta{background:linear-gradient(180deg,var(--gold-lit),var(--gold-deep));color:#0a1f16;
  padding:9px 17px;border-radius:999px;font-weight:800;font-size:.86rem;white-space:nowrap;
  box-shadow:0 6px 16px rgba(255,193,7,.18)}
.head-cta:hover{text-decoration:none;filter:brightness(1.06)}
.burger{display:none;background:var(--panel);border:1px solid var(--line);color:var(--txt);
  width:42px;height:38px;border-radius:var(--radius-sm);font-size:1.2rem;cursor:pointer;line-height:1}

@media (max-width:1080px){
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--bg-2);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);padding:6px 0;max-height:0;overflow:hidden;
    opacity:0;visibility:hidden;transition:max-height .25s ease,opacity .2s ease}
  .nav.open{max-height:70vh;overflow-y:auto;opacity:1;visibility:visible}
  .nav a{padding:12px 20px;border-bottom:1px solid var(--line-soft);font-size:.95rem}
  .nav a:last-child{border-bottom:none}
  .burger{display:block}
  .head-cta{padding:8px 13px;font-size:.79rem}
  .brand img{width:88px;height:49px}
}

/* ---------------- login / signup card (panel replica base) ----------------
   Every page restyles the shell in its own <style>; this holds only what repeats. */
.panel-card{background:linear-gradient(180deg,var(--grn-lit),var(--grn-deep));
  border-radius:var(--radius);box-shadow:var(--shadow);padding:28px 26px 30px;
  max-width:390px;width:100%;text-align:center}
.panel-card .pc-logo{width:132px;height:74px;object-fit:contain;margin:0 auto 18px;display:block}
.pc-field{position:relative;margin-bottom:13px}
.pc-field input{width:100%;border:none;border-radius:6px;background:#fff;color:#1d2b25;
  font-size:.98rem;padding:13px 42px 13px 15px;font-family:inherit}
.pc-field input::placeholder{color:#8d9a94}
.pc-field input:focus{outline:2px solid var(--gold);outline-offset:1px}
.pc-ico{position:absolute;right:13px;top:50%;transform:translateY(-50%);
  width:19px;height:19px;opacity:.72;pointer-events:none}
.pc-note{font-size:.83rem;color:#ffe9a8;text-align:left;margin:-8px 0 12px 2px}
.pc-btn{display:block;width:100%;padding:13px 10px;border-radius:6px;font-weight:800;
  font-size:1rem;color:#fff;margin-top:11px;
  background:linear-gradient(180deg,#0f7a56,#04422f)}
.pc-btn:hover{text-decoration:none;filter:brightness(1.08)}
.pc-btn.gold{background:linear-gradient(180deg,var(--gold-lit),var(--gold-deep));color:#0a1f16}
.pc-foot{font-size:.8rem;color:#cfeadd;margin:16px 0 0}

/* ---------------- buttons ---------------- */
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:800;font-size:.95rem}
.btn:hover{text-decoration:none;filter:brightness(1.07)}
.btn-gold{background-color:var(--gold-deep);background-image:linear-gradient(180deg,var(--gold-lit),var(--gold-deep));color:#0a1f16;
  box-shadow:0 10px 24px rgba(255,193,7,.2)}
.btn-green{background:linear-gradient(180deg,var(--grn-lit),var(--grn-deep));color:#fff;
  border:1px solid var(--line)}
.btn-ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}

/* ---------------- breadcrumb ---------------- */
.crumb{font-size:.81rem;color:var(--txt-faint);padding:13px 0 0}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin:0;padding:0}
.crumb li{margin:0}
.crumb li+li:before{content:"›";margin-right:7px;color:var(--line)}
.crumb a{color:var(--txt-dim)}

/* ---------------- content blocks ---------------- */
.sec{padding:34px 0;border-top:1px solid var(--line-soft)}
.sec:first-of-type{border-top:none}
.lede{font-size:1.06rem;color:var(--txt-dim)}
.box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;margin:22px 0}
.box h3{margin-top:0}
.quick{background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border-left:3px solid var(--gold);border-radius:var(--radius-sm);padding:16px 20px;margin:20px 0}
.quick p:last-child{margin-bottom:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.card h3{margin-top:0;font-size:1.05rem}
.card p:last-child{margin-bottom:0}

table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.93rem}
.t-scroll{overflow-x:auto;margin:20px 0}
.t-scroll table{margin:0;min-width:520px}
th,td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
th{background:var(--panel-2);color:var(--gold);font-weight:700}
td{background:var(--panel)}

.steps{counter-reset:st;list-style:none;padding-left:0}
.steps li{counter-increment:st;position:relative;padding-left:44px;margin-bottom:16px}
.steps li:before{content:counter(st);position:absolute;left:0;top:1px;width:30px;height:30px;
  border-radius:50%;background:linear-gradient(180deg,var(--gold-lit),var(--gold-deep));
  color:#0a1f16;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:.9rem}

/* content image */
.shot{margin:26px auto;max-width:820px;width:100%}
.shot img{display:block;width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line)}
.shot figcaption{margin-top:9px;font-size:.85rem;color:var(--txt-dim);text-align:center}

/* ---------------- FAQ ---------------- */
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:11px;padding:0}
.faq summary{cursor:pointer;padding:14px 18px;font-weight:700;color:var(--txt);list-style:none;
  display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";color:var(--gold);font-weight:800;font-size:1.2rem;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq details[open] summary{border-bottom:1px solid var(--line-soft)}
.faq .ans{padding:14px 18px 4px}
.faq .ans p:last-child{margin-bottom:0}

/* ---------------- SEO box + tag cloud ---------------- */
.seo-box{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;margin:34px 0 22px;max-height:340px;overflow-y:auto}
.seo-box h2{font-size:1.24rem}
.seo-box h3{font-size:1rem}
.seo-box p,.seo-box li{font-size:.93rem;color:var(--txt-dim)}
.also-search{margin:0 0 34px}
.also-search h2{font-size:1.18rem}
.also-search ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:9px}
.also-search li{margin:0;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:999px;padding:6px 14px;font-size:.83rem;color:var(--txt-dim)}

/* ---------------- footer ---------------- */
.site-foot{background:var(--bg-2);border-top:1px solid var(--line);padding:34px 0 22px;
  margin-top:16px;font-size:.9rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.foot-grid h3{font-size:.95rem;color:var(--gold);margin-bottom:12px}
.site-foot ul{list-style:none;padding:0}
.site-foot li{margin-bottom:8px}
.site-foot a{color:var(--txt-dim)}
.site-foot a:hover{color:var(--gold)}
.foot-logo{width:118px;height:66px;object-fit:contain;margin-bottom:10px;display:block}
.foot-note{color:var(--txt-faint);font-size:.84rem;line-height:1.7}
.age{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border:2px solid #d9534f;color:#ff8a86;border-radius:50%;font-weight:800;font-size:.8rem;
  margin-right:10px;vertical-align:middle}
.foot-bar{border-top:1px solid var(--line-soft);margin-top:26px;padding-top:16px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--txt-faint);font-size:.82rem}
.social{display:flex;gap:14px}
.social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;color:var(--txt-dim)}
.social a:hover{color:var(--gold)}
.social svg{width:22px;height:22px;fill:currentColor}

/* ---------------- WhatsApp float ---------------- */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:140;width:60px;height:60px;
  border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,.4);animation:wapulse 2.2s infinite}
.wa-float:hover{text-decoration:none;filter:brightness(1.05)}
.wa-float svg{width:34px;height:34px;fill:#fff}
@keyframes wapulse{
  0%{box-shadow:0 8px 24px rgba(37,211,102,.4),0 0 0 0 rgba(37,211,102,.5)}
  70%{box-shadow:0 8px 24px rgba(37,211,102,.4),0 0 0 16px rgba(37,211,102,0)}
  100%{box-shadow:0 8px 24px rgba(37,211,102,.4),0 0 0 0 rgba(37,211,102,0)}
}
@media (prefers-reduced-motion:reduce){.wa-float{animation:none}}

@media (max-width:860px){
  body{font-size:16.4px}
  h1{font-size:1.78rem}
  h2{font-size:1.35rem}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:20px}
  .sec{padding:28px 0}
}

/* ---------------- myth vs fact grid (used on more than one page) ---------------- */
.mf{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;margin:22px 0}
.mf div{padding:15px 18px;font-size:.93rem}
.mf .m{background:rgba(122,42,72,.16);border-right:1px solid var(--line)}
.mf .f{background:rgba(26,138,99,.14)}
.mf b{display:block;font-size:.73rem;letter-spacing:1px;text-transform:uppercase;margin-bottom:5px}
.mf .m b{color:#ff9db7}
.mf .f b{color:#7fe0b3}
.mf div{border-top:1px solid var(--line-soft)}
.mf div:nth-child(1),.mf div:nth-child(2){border-top:none}
@media (max-width:700px){
  .mf{grid-template-columns:1fr}
  .mf .m{border-right:none}
}