:root{
  --ink:#071B2C;
  --ink-2:#0D2B44;
  --ink-3:#16405F;
  --paper:#E7EDF1;
  --paper-2:#F4F7F9;
  --paper-3:#D5DFE6;
  --line:#B9C8D3;
  --line-dark:#1E4463;
  --signal:#FF5F1F;
  --hud:#25D0C0;
  --amber:#F2A93B;
  --ice:#D9E6EF;
  --muted:#5B7385;
  --muted-dark:#7EA0B8;
  --r:3px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Public Sans',system-ui,-apple-system,sans-serif;
  background:var(--paper);
  color:var(--ink);
  font-size:16px;line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}

/* ---------- utility ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--signal);font-weight:500;
  display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::after{content:'';flex:1;height:1px;background:var(--line);max-width:120px}
.dark .eyebrow::after{background:var(--line-dark)}
h1,h2,h3,h4{font-family:'Archivo',system-ui,sans-serif;font-weight:800;line-height:1.03;letter-spacing:-.03em}
h2{font-size:clamp(30px,4.6vw,54px);margin-bottom:16px}
h3{font-size:clamp(19px,2.2vw,25px);letter-spacing:-.02em}
.lede{font-size:clamp(16px,1.5vw,18.5px);color:var(--muted);max-width:62ch;font-weight:300}
.dark .lede{color:var(--muted-dark)}
section{padding:clamp(64px,9vw,120px) 0;position:relative}

/* chart-paper grid */
.chartgrid{
  position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(to right,rgba(30,68,99,.055) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,68,99,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,transparent,#000 12%,#000 88%,transparent);
}
.dark .chartgrid{
  background-image:
    linear-gradient(to right,rgba(155,200,230,.07) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(155,200,230,.07) 1px,transparent 1px);
}
.wrap{position:relative;z-index:1}

/* ---------- dark blocks ---------- */
.dark{background:var(--ink);color:var(--ice)}
.dark h2,.dark h3{color:#fff}

/* ---------- nav ---------- */
header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,27,44,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-dark);
}
.nav{display:flex;align-items:center;gap:28px;height:66px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border:1.5px solid var(--signal);border-radius:50%;
  display:grid;place-items:center;position:relative;flex-shrink:0;
}
.brand-mark::before{content:'';position:absolute;inset:6px;border:1px solid rgba(255,95,31,.4);border-radius:50%}
.brand-mark span{width:6px;height:6px;background:var(--signal);border-radius:50%}
.brand-txt{font-family:'Archivo';font-weight:900;font-size:19px;letter-spacing:-.03em;color:#fff}
.brand-txt em{font-style:normal;color:var(--signal)}
.navlinks{display:flex;gap:26px;margin-left:auto;align-items:center}
.navlinks a{
  text-decoration:none;font-size:13.5px;color:var(--ice);opacity:.82;
  font-weight:400;letter-spacing:.01em;transition:opacity .18s,color .18s;
}
.navlinks a:hover{opacity:1;color:var(--hud)}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--signal);color:#fff;text-decoration:none;
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;font-weight:600;
  letter-spacing:.09em;text-transform:uppercase;
  padding:12px 20px;border:none;border-radius:var(--r);cursor:pointer;
  transition:transform .16s,background .16s;
}
.btn:hover{background:#ff7038;transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid var(--line-dark);color:var(--ice)}
.btn.ghost:hover{background:var(--ink-2);border-color:var(--hud);color:var(--hud)}
.btn.solid-dark{background:var(--ink);color:#fff}
.btn.solid-dark:hover{background:var(--ink-2)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line-dark);border-radius:var(--r);padding:8px 11px;cursor:pointer;color:var(--ice)}

/* ---------- hero ---------- */
.hero{
  background:var(--ink);color:var(--ice);
  padding:clamp(52px,7vw,86px) 0 clamp(56px,7vw,90px);
  overflow:hidden;position:relative;
}
.hero::after{
  content:'';position:absolute;right:-14%;top:-24%;width:62%;height:150%;
  background:radial-gradient(ellipse at center,rgba(37,208,192,.11),transparent 62%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(40px,7vw,84px);color:#fff;letter-spacing:-.045em;
  margin:6px 0 22px;
}
.hero h1 .hl{color:var(--signal)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.07em;
  border:1px solid var(--line-dark);padding:7px 13px;border-radius:var(--r);
  color:var(--muted-dark);
}
.chip b{color:var(--hud);font-weight:500}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* HUD panel — signature element */
.hud{
  border:1px solid var(--line-dark);border-radius:6px;background:#04121E;
  padding:20px;position:relative;box-shadow:0 24px 60px rgba(0,0,0,.4);
}
.hud::before,.hud::after{
  content:'';position:absolute;width:13px;height:13px;border:1.5px solid var(--signal);
}
.hud::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.hud::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.hud-top{
  display:flex;justify-content:space-between;align-items:center;
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;
  color:var(--muted-dark);text-transform:uppercase;margin-bottom:14px;
}
.live{display:flex;align-items:center;gap:7px;color:var(--hud)}
.live i{width:6px;height:6px;background:var(--hud);border-radius:50%;animation:blink 1.7s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.18}}
.horizon{
  height:172px;border:1px solid var(--line-dark);border-radius:4px;
  position:relative;overflow:hidden;background:#061826;
}
.horizon-sky{position:absolute;inset:0;background:linear-gradient(#0B3550,#0B3550);}
.horizon-ground{
  position:absolute;left:-25%;right:-25%;top:50%;height:200%;
  background:linear-gradient(#123C24,#0A2417);
  transform-origin:top center;
  animation:roll 13s ease-in-out infinite;
}
@keyframes roll{
  0%,100%{transform:rotate(-5deg) translateY(0)}
  33%{transform:rotate(4deg) translateY(-11px)}
  66%{transform:rotate(-2deg) translateY(9px)}
}
.horizon-line{position:absolute;left:0;right:0;top:50%;height:1px;background:var(--hud);opacity:.55}
.reticle{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:110px;height:20px;
}
.reticle::before,.reticle::after{
  content:'';position:absolute;top:50%;width:38px;height:2px;background:var(--signal);
}
.reticle::before{left:0}.reticle::after{right:0}
.reticle i{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(45deg);
  width:9px;height:9px;border:2px solid var(--signal);
}
.tape{
  position:absolute;top:0;bottom:0;width:52px;
  font-family:'IBM Plex Mono',monospace;font-size:9.5px;color:var(--ice);
  display:flex;flex-direction:column;justify-content:center;gap:9px;
  background:rgba(4,18,30,.72);
}
.tape.l{left:0;border-right:1px solid var(--line-dark);align-items:flex-start;padding-left:7px}
.tape.r{right:0;border-left:1px solid var(--line-dark);align-items:flex-end;padding-right:7px}
.tape span{opacity:.42}
.tape span.on{opacity:1;color:var(--hud);font-weight:600}
.readouts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);margin-top:1px;border:1px solid var(--line-dark);border-top:0}
.ro{background:#04121E;padding:13px 12px}
.ro-k{font-family:'IBM Plex Mono',monospace;font-size:9.5px;letter-spacing:.15em;color:var(--muted-dark);text-transform:uppercase}
.ro-v{font-family:'Archivo';font-weight:800;font-size:23px;color:#fff;letter-spacing:-.02em;line-height:1.25}
.ro-v small{font-size:11px;font-weight:600;color:var(--muted-dark);margin-left:3px}

/* countdown */
.countdown{margin-top:16px;border:1px solid var(--line-dark);border-radius:4px;padding:14px 16px;background:#04121E}
.cd-label{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:.17em;text-transform:uppercase;color:var(--amber);margin-bottom:9px}
.cd-row{display:flex;gap:8px}
.cd-cell{flex:1;text-align:center;border:1px solid var(--line-dark);border-radius:3px;padding:8px 4px}
.cd-num{font-family:'Archivo';font-weight:900;font-size:clamp(20px,2.6vw,27px);color:#fff;line-height:1;letter-spacing:-.03em}
.cd-unit{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.13em;color:var(--muted-dark);text-transform:uppercase;margin-top:5px}

/* ---------- stat strip ---------- */
.strip{background:var(--ink-2);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark)}
.strip-cell{background:var(--ink-2);padding:28px 20px;text-align:left}
.strip-num{font-family:'Archivo';font-weight:900;font-size:clamp(28px,3.6vw,42px);color:#fff;letter-spacing:-.035em;line-height:1}
.strip-num em{font-style:normal;color:var(--signal)}
.strip-lbl{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-dark);margin-top:9px}

/* ---------- generic card ---------- */
.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);
  padding:26px;position:relative;transition:border-color .2s,transform .2s,box-shadow .2s;
}
.card::before{
  content:'';position:absolute;top:-1px;left:-1px;width:12px;height:12px;
  border-top:2px solid var(--signal);border-left:2px solid var(--signal);opacity:0;transition:opacity .2s;
}
.card:hover{border-color:var(--ink-3);transform:translateY(-3px);box-shadow:0 14px 34px rgba(7,27,44,.09)}
.card:hover::before{opacity:1}

/* ---------- categories ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.cat-code{
  font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;
  color:var(--signal);font-weight:600;margin-bottom:12px;display:block;
}
.cat h3{margin-bottom:9px}
.cat p{font-size:14.5px;color:var(--muted);font-weight:300;margin-bottom:18px}
.cat-meta{border-top:1px dashed var(--line);padding-top:14px;display:grid;gap:7px}
.cat-meta div{display:flex;justify-content:space-between;gap:12px;font-size:12.5px}
.cat-meta dt{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.cat-meta dd{font-weight:500;text-align:right}

/* ---------- flight plan ---------- */
.plan{margin-top:48px;position:relative}
.plan::before{
  content:'';position:absolute;left:19px;top:14px;bottom:14px;width:1px;
  background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 12px);
}
.wp{display:grid;grid-template-columns:40px 1fr;gap:22px;padding:0 0 32px;position:relative}
.wp:last-child{padding-bottom:0}
.wp-dot{
  width:40px;height:40px;border-radius:50%;background:var(--paper);
  border:1.5px solid var(--ink);display:grid;place-items:center;
  font-family:'IBM Plex Mono',monospace;font-size:11px;font-weight:600;
  position:relative;z-index:1;
}
.wp.done .wp-dot{background:var(--ink);color:#fff;border-color:var(--ink)}
.wp.now .wp-dot{background:var(--signal);border-color:var(--signal);color:#fff;box-shadow:0 0 0 5px rgba(255,95,31,.16)}
.wp-body{padding-top:2px}
.wp-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.wp-head h3{font-size:19px}
.wp-date{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--signal);letter-spacing:.05em}
.wp-body p{font-size:14.5px;color:var(--muted);font-weight:300;max-width:66ch}
.wp-note{
  margin-top:11px;font-size:12.5px;border-left:2px solid var(--line);
  padding-left:13px;color:var(--muted);
}

/* ---------- tabs / regulasi ---------- */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:38px 0 26px}
.tab{
  font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.09em;
  text-transform:uppercase;padding:10px 15px;border:1px solid var(--line);
  background:transparent;border-radius:var(--r);cursor:pointer;transition:all .18s;
}
.tab:hover{border-color:var(--ink-3)}
.tab[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.panel{display:none;animation:fade .3s ease}
.panel.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.rulegrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.rulebox{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.rulebox h4{font-size:13px;font-family:'IBM Plex Mono',monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--signal);margin-bottom:15px;font-weight:600}
.rulebox ul{list-style:none;display:grid;gap:11px}
.rulebox li{font-size:14px;padding-left:20px;position:relative;color:var(--ink);font-weight:300}
.rulebox li::before{content:'';position:absolute;left:0;top:9px;width:7px;height:7px;border:1.5px solid var(--signal);transform:rotate(45deg)}
.spectable{width:100%;border-collapse:collapse;margin-top:4px}
.spectable td{padding:9px 0;border-bottom:1px dashed var(--line);font-size:13.5px;vertical-align:top}
.spectable td:first-child{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);width:44%;padding-right:14px}
.spectable tr:last-child td{border-bottom:0}

/* ---------- scoring / calculator ---------- */
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:44px;align-items:start}
.calc-form{display:grid;gap:16px}
.field label{
  display:block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted-dark);margin-bottom:7px;
}
.field input,.field select{
  width:100%;background:#04121E;border:1px solid var(--line-dark);border-radius:var(--r);
  padding:12px 13px;color:#fff;font-size:15px;
}
.field input:focus,.field select:focus{outline:2px solid var(--hud);outline-offset:1px;border-color:var(--hud)}
.calc-out{border:1px solid var(--line-dark);border-radius:6px;background:#04121E;padding:26px;position:relative}
.calc-out::before{content:'';position:absolute;top:-1px;right:-1px;width:14px;height:14px;border-top:2px solid var(--hud);border-right:2px solid var(--hud)}
.score-big{font-family:'Archivo';font-weight:900;font-size:clamp(52px,8vw,86px);color:var(--hud);line-height:.94;letter-spacing:-.05em}
.score-lbl{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark);margin-bottom:8px}
.breakdown{margin-top:22px;border-top:1px solid var(--line-dark);padding-top:16px;display:grid;gap:10px}
.bd-row{display:flex;justify-content:space-between;font-size:13.5px;font-family:'IBM Plex Mono',monospace}
.bd-row span:first-child{color:var(--muted-dark)}
.bd-row.plus span:last-child{color:var(--hud)}
.bd-row.minus span:last-child{color:var(--signal)}
.formula{margin-top:20px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--muted-dark);line-height:1.8;border-top:1px solid var(--line-dark);padding-top:14px}

/* ---------- prizes ---------- */
.prizes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.prize{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;text-align:center}
.prize.first{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-10px)}
.prize-rank{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.prize.first .prize-rank{color:var(--amber)}
.prize-amt{font-family:'Archivo';font-weight:900;font-size:clamp(28px,3.8vw,40px);letter-spacing:-.04em;margin:12px 0 8px}
.prize.first .prize-amt{color:var(--signal)}
.prize p{font-size:13px;color:var(--muted)}
.prize.first p{color:var(--muted-dark)}

/* ---------- form pendaftaran ---------- */
.reg-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:32px;margin-top:44px;align-items:start}
.form-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r);padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f{margin-bottom:18px}
.f label{display:block;font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.f input,.f select,.f textarea{
  width:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:12px 13px;font-size:15px;transition:border-color .15s;
}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--signal);outline-offset:1px;border-color:var(--signal)}
.f .hint{font-size:12px;color:var(--muted);margin-top:6px}
.err{color:#C0341A;font-size:12.5px;margin-top:6px;display:none;font-family:'IBM Plex Mono',monospace}
.f.invalid input,.f.invalid select{border-color:#C0341A}
.f.invalid .err{display:block}
.members{display:grid;gap:10px}
.member-row{display:grid;grid-template-columns:1fr 150px 40px;gap:10px;align-items:center}
.icon-btn{
  width:40px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r);
  cursor:pointer;color:var(--muted);font-size:18px;line-height:1;transition:all .15s;
}
.icon-btn:hover{border-color:#C0341A;color:#C0341A}
.add-link{
  background:none;border:1px dashed var(--line);width:100%;padding:11px;border-radius:var(--r);
  cursor:pointer;font-family:'IBM Plex Mono',monospace;font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);transition:all .15s;margin-top:10px;
}
.add-link:hover{border-color:var(--signal);color:var(--signal)}
.summary{background:var(--ink);color:var(--ice);border-radius:var(--r);padding:28px;position:sticky;top:88px}
.summary h4{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--hud);margin-bottom:20px;font-weight:600}
.sum-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line-dark);font-size:13.5px}
.sum-row span:first-child{color:var(--muted-dark)}
.sum-row span:last-child{text-align:right;font-weight:500;color:#fff}
.sum-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:20px;padding-top:18px;border-top:1px solid var(--line-dark)}
.sum-total .lbl{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-dark)}
.sum-total .val{font-family:'Archivo';font-weight:900;font-size:30px;color:var(--signal);letter-spacing:-.03em}
.ticket{display:none;text-align:center;padding:8px 0}
.ticket.show{display:block;animation:fade .4s ease}
.ticket-code{
  font-family:'IBM Plex Mono',monospace;font-size:22px;font-weight:600;color:var(--hud);
  letter-spacing:.08em;border:1px dashed var(--hud);padding:16px;border-radius:var(--r);margin:16px 0;
}

/* ---------- faq ---------- */
.faq{margin-top:40px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:none;text-align:left;cursor:pointer;
  padding:22px 44px 22px 0;position:relative;font-family:'Archivo';font-weight:700;
  font-size:17px;letter-spacing:-.015em;color:var(--ink);
}
.faq-q::after{
  content:'+';position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:'IBM Plex Mono',monospace;font-size:20px;color:var(--signal);font-weight:400;
  transition:transform .22s;
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 44px 24px 0;font-size:14.5px;color:var(--muted);font-weight:300}

/* ---------- footer ---------- */
footer{background:var(--ink);color:var(--ice);padding:64px 0 32px;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--line-dark)}
.foot-col h5{font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--hud);margin-bottom:16px;font-weight:600}
.foot-col a,.foot-col p{display:block;font-size:14px;color:var(--muted-dark);text-decoration:none;margin-bottom:9px;font-weight:300}
.foot-col a:hover{color:#fff}
.foot-bot{display:flex;justify-content:space-between;gap:20px;padding-top:26px;font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--muted-dark);letter-spacing:.06em;flex-wrap:wrap}

/* ---------- reveal ---------- */
.js .rv{opacity:0;transform:translateY(20px);transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.rv.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .cat-grid,.prizes{grid-template-columns:1fr 1fr}
  .reg-grid,.calc-grid,.rulegrid{grid-template-columns:1fr}
  .strip-in{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .summary{position:static}
  .prize.first{transform:none}
  .navlinks{
    display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;
    background:var(--ink);padding:20px 24px;gap:4px;border-bottom:1px solid var(--line-dark);
  }
  .navlinks.open{display:flex}
  .navlinks a{padding:11px 0;width:100%;border-bottom:1px solid rgba(30,68,99,.5)}
  .burger{display:block}
  .nav .btn{display:none}
}
@media (max-width:620px){
  .cat-grid,.prizes,.form-row,.strip-in{grid-template-columns:1fr}
  .member-row{grid-template-columns:1fr 40px;grid-template-areas:'a a' 'b c'}
  .member-row input:first-child{grid-area:a}
  .member-row select{grid-area:b}
  .member-row button{grid-area:c}
  .readouts{grid-template-columns:1fr}
  section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}