:root{
  --bg:#14110d; --bg2:#1b1813; --card:#221d16; --line:#3a322880; --line2:#3a3228;
  --txt:#f3ece0; --dim:#b3a896; --amber:#f0a64e; --amber-d:#d98328; --copper:#e8743c;
  --gold:#e8c45c; --ok:#7fd6a0; --no:#e89a8a; --rad:14px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
body{background:var(--bg);color:var(--txt);font-family:'Source Sans 3',system-ui,Segoe UI,Arial,sans-serif;line-height:1.74;font-size:17px}
a{color:var(--amber)}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:'Space Grotesk','Source Sans 3',system-ui,sans-serif}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px;z-index:99}
main{max-width:900px;margin:0 auto;padding:22px 16px 60px}
h1{font-size:2.05em;line-height:1.16;font-weight:700;margin:.25em 0 .2em;letter-spacing:-.5px}
h2{font-size:1.4em;font-weight:700;margin:1.85em 0 .5em;display:flex;align-items:center;gap:11px}
h2::before{content:"";width:8px;height:24px;border-radius:2px;background:linear-gradient(var(--amber),var(--copper));flex:none}
h3{font-size:1.1em;font-weight:600;margin:1.1em 0 .4em}
p{margin:.7em 0}
ul,ol{margin:.6em 0}
.stamp{color:var(--dim);font-size:.84em;margin-top:0}
.lead{background:linear-gradient(135deg,rgba(240,166,78,.13),rgba(232,116,60,.06));border:1px solid var(--line2);border-radius:var(--rad);padding:16px 18px;font-size:1.05em}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(20,17,13,.93);backdrop-filter:blur(9px);border-bottom:1px solid var(--line2)}
.hdr-in{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:11px 16px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--txt);font-weight:700}
.brand-tag{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--amber),var(--copper));color:#1a1209;font-weight:700;font-size:.95em;font-family:'Space Grotesk',sans-serif}
.brand-name{font-family:'Space Grotesk',sans-serif;font-size:1.04em}
.nav{display:flex;align-items:center;gap:20px;margin-left:auto}
.nav a{color:var(--dim);text-decoration:none;font-size:.95em;font-weight:600}
.nav a:hover,.nav a.on{color:var(--txt)}
.btn{display:inline-block;border-radius:10px;font-weight:700;text-decoration:none;cursor:pointer;text-align:center;background:linear-gradient(135deg,var(--amber),var(--amber-d));color:#1a1209;padding:11px 21px}
.btn:hover{filter:brightness(1.07)}
.btn-nav{padding:9px 17px;font-size:.92em}
.btn-big{font-size:1.12em;padding:15px 32px;background:linear-gradient(135deg,var(--gold),var(--copper));color:#1a1209}
.burger{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:8px;margin-left:auto}
.burger span{display:block;width:26px;height:3px;background:var(--txt);border-radius:2px;transition:.2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
/* crumbs */
.crumbs{font-size:.84em;color:var(--dim);margin:4px 0 12px}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--txt)}
.crumbs i{opacity:.5;font-style:normal}
.home-crumbs{display:none}
/* btn row */
.btn-row{text-align:center;margin:28px 0}
/* box + grades */
.box{background:var(--bg2);border:1px solid var(--line2);border-radius:18px;padding:20px;margin:26px 0}
.box>h2{margin-top:0}
.grades{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:12px 0 4px}
.grade{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:13px;text-align:center}
.g-l{display:block;color:var(--dim);font-size:.78em}
.g-n{display:block;font-weight:700;font-size:1.12em;margin-top:5px;color:var(--gold);font-family:'Space Grotesk',sans-serif}
.judge{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.jcol{background:var(--card);border:1px solid var(--line2);border-radius:13px;padding:15px}
.up h3{color:var(--ok);margin-top:0}
.down h3{color:var(--no);margin-top:0}
.jcol ul{margin:0;padding-left:18px}
.jcol li{margin:.35em 0}
/* tables */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:18px 0;border:1px solid var(--line2);border-radius:13px}
table{border-collapse:collapse;width:100%;min-width:440px}
th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--line2)}
th{background:var(--card);font-weight:700}
tbody tr:last-child td{border-bottom:0}
/* howto steps */
.howto{counter-reset:s;list-style:none;padding:0;margin:16px 0}
.howto li{position:relative;padding:11px 14px 11px 50px;background:var(--card);border:1px solid var(--line2);border-radius:12px;margin:9px 0}
.howto li::before{counter-increment:s;content:counter(s);position:absolute;left:11px;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--amber),var(--copper));color:#1a1209;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85em}
/* figures */
.snap{margin:22px 0;text-align:center}
.snap img{width:92%;border-radius:13px;box-shadow:0 12px 36px rgba(0,0,0,.5)}
.snap figcaption{color:var(--dim);font-size:.85em;margin-top:8px}
/* accordion */
.qa{margin:32px 0}
.qa-item{background:var(--card);border:1px solid var(--line2);border-radius:12px;margin:10px 0;overflow:hidden}
.qa-item summary{cursor:pointer;padding:15px 16px;font-weight:600;list-style:none;min-height:44px;display:flex;align-items:center}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary::after{content:"+";margin-left:auto;color:var(--amber);font-size:1.35em}
.qa-item[open] summary::after{content:"–"}
.qa-body{padding:0 16px 15px;color:var(--dim)}
/* footer */
.ft{background:var(--bg2);border-top:1px solid var(--line2);margin-top:46px}
.ft-grid{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:24px;padding:32px 16px}
.ft-name{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.12em;margin-bottom:8px}
.ft h3{font-size:.95em;margin:0 0 10px}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin:.3em 0}
.ft a{color:var(--dim);text-decoration:none}
.ft a:hover{color:var(--txt)}
.muted{color:var(--dim);font-size:.85em}
.age18{display:inline-block;border:2px solid var(--no);color:var(--no);border-radius:8px;padding:2px 9px;font-weight:700;margin-top:8px}
.ft-legal{max-width:1120px;margin:0 auto;padding:16px;border-top:1px solid var(--line2);color:var(--dim);font-size:.8em}
@media(max-width:860px){
  .grades{grid-template-columns:repeat(2,1fr)}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  body{font-size:16px}
  h1{font-size:1.5em}h2{font-size:1.22em}h3{font-size:1.06em}
  main{padding:14px 12px 42px}
  .burger{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--bg2);border-bottom:1px solid var(--line2);padding:8px 12px 14px}
  .nav.open{display:flex}
  .nav a{padding:12px 6px;border-bottom:1px solid var(--line2)}
  .btn-nav{margin-top:10px;border-bottom:0!important}
  .judge{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
  .snap img{width:100%}
}