/* learn pages for freevideopoker.fun: the machine's dark graphite and amber, built like freeblackjack's docs */
:root{--bg:#0b0b0f;--surface:#141419;--surface-2:#1b1b21;--line:rgba(255,255,255,.1);--ink:#f3f2ec;--muted:#a9a8a1;--acc:#ffb627;--acc2:#ffd166;--acc-ink:#1a1200;--max:1080px;--hdr:60px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Sora,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc2)}
a:hover{color:#fff}
img,svg{display:block;max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 max(20px,env(safe-area-inset-left,0px)) 0 max(20px,env(safe-area-inset-right,0px))}
/* header, same lockup as the machine */
.hdr{position:sticky;top:0;z-index:30;background:rgba(11,11,15,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.hdr .wrap{display:flex;align-items:center;gap:12px;height:var(--hdr)}
.logo{display:flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font:800 18px/1 Sora,sans-serif;letter-spacing:-.02em}
.logo i{font-style:normal;color:var(--acc)}
.mark{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;color:var(--acc-ink);font:700 17px/1 Georgia,serif;background:radial-gradient(circle at 50% 50%,#fff3c4 0 34%,var(--acc) 35% 64%,#b77a05 65%);box-shadow:0 0 0 2px rgba(255,182,39,.25);flex:none}
.nav{display:flex;gap:2px;margin-left:auto;list-style:none;padding:0;margin-block:0}
.nav a{display:block;padding:8px 10px;border-radius:999px;color:var(--muted);text-decoration:none;font:600 14px/1 Sora,sans-serif}
.nav a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav .play a{background:var(--acc);color:var(--acc-ink);font-weight:800}
.nav .play a:hover{background:var(--acc2);color:var(--acc-ink)}
@media (max-width:640px){.nav li:not(.play){display:none}}
/* doc */
.doc{max-width:760px;padding-top:28px;padding-bottom:60px}
.crumb{font-size:13px;color:var(--muted);margin:0 0 8px}
.crumb a{color:var(--muted);text-decoration:none}
h1{font-size:clamp(2rem,5vw,2.9rem);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:0 0 14px;text-wrap:balance}
h2{font-size:clamp(1.35rem,3vw,1.7rem);font-weight:800;letter-spacing:-.01em;margin:2.1em 0 .5em;text-wrap:balance}
h3{font-size:1.1rem;font-weight:800;margin:1.6em 0 .4em}
p{margin:0 0 1em}
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch}
ul,ol{padding-left:22px}
li{margin-bottom:8px}
strong{color:#fff}
table.list{border-collapse:collapse;width:100%;font-size:.95rem;margin:10px 0 18px;background:var(--surface);border-radius:12px;overflow:hidden}
table.list th,table.list td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.list th{color:var(--muted);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;background:var(--surface-2)}
table.list.num td:not(:first-child),table.list.num th:not(:first-child){text-align:right;font-variant-numeric:tabular-nums}
table.list tr:last-child td{border-bottom:0}
@media (max-width:560px){table.list{display:block;overflow-x:auto;white-space:nowrap}}
.doc-cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:34px 0;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:16px}
.doc-cta span{color:var(--muted);font-size:.95rem}
.go{display:inline-block;background:var(--acc);color:var(--acc-ink);font-weight:800;text-decoration:none;padding:12px 20px;border-radius:12px;box-shadow:0 4px 0 #8a5a04}
.go:hover{background:var(--acc2);color:var(--acc-ink)}
details{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:0 20px;margin-bottom:12px}
summary{cursor:pointer;padding:14px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--acc);font-weight:800}
details[open] summary::after{content:"–"}
details p{color:var(--muted);padding-bottom:16px}
.more{font-size:.9rem;color:var(--muted);margin-top:36px;line-height:1.9}
/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:40px 0 30px;color:var(--muted);font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-footer h4{color:#fff;margin:0 0 10px;font-size:.95rem}
.site-footer ul{list-style:none;padding:0;margin:0 0 18px}
.site-footer li{margin-bottom:6px}
.site-footer a{color:var(--muted);text-decoration:none}
.site-footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px;padding-top:18px;border-top:1px solid var(--line);font-size:.85rem}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr}}