:root{--bg:#0b1322;--bg2:#101b30;--card:#14213a;--line:#25344f;--tx:#e8ecf4;--mut:#9aa8c2;--gold:#d8a64a;--gold2:#f0c97a;--ink:#0b1322;--serif:Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--tx);font:16px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--gold2)}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.4vw,4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{width:min(1120px,100% - 40px);margin:0 auto}
.narrow{width:min(820px,100% - 40px)}
.tiny{width:min(460px,100% - 40px)}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--ink);padding:.6em 1em;z-index:99}
.skip:focus{left:8px;top:8px}
.kicker{font:600 .78rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin:0 0 1em}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(11,19,34,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:.6em;color:var(--tx);text-decoration:none;font:700 1.25rem var(--serif)}
.mark{width:30px;height:30px;color:var(--gold)}
.nav{display:flex;gap:6px}
.nav a{color:var(--mut);text-decoration:none;padding:.5em .9em;border-radius:999px;font-size:.95rem}
.nav a:hover,.nav a[aria-current]{color:var(--ink);background:var(--gold)}
.nav-t{position:absolute;opacity:0;pointer-events:none}
.burger{display:none;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.burger i{display:block;width:22px;height:2px;background:var(--tx);transition:.2s}

/* buttons */
.btn{display:inline-block;border:0;background:var(--gold);color:var(--ink);font:700 1rem var(--sans);padding:.9em 1.7em;border-radius:999px;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{background:var(--gold2);transform:translateY(-1px)}
.btn.alt{background:transparent;color:var(--tx);box-shadow:inset 0 0 0 1.5px var(--mut)}
.btn.alt:hover{background:rgba(255,255,255,.08)}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.8em}

/* hero */
.hero{position:relative;min-height:min(88vh,760px);display:flex;align-items:center;background:linear-gradient(90deg,rgba(11,19,34,.95) 0%,rgba(11,19,34,.7) 48%,rgba(11,19,34,.15) 100%),url(hero.jpg) center/cover;padding:80px 0}
.hero h1{max-width:13em}
.lede{max-width:34em;font-size:1.15rem;color:#cfd7e6}

/* steps */
.steps{padding:96px 0;background:var(--bg2)}
.stepgrid{list-style:none;padding:0;margin:2.5em 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stepgrid li{position:relative;padding-top:24px;border-top:2px solid var(--line)}
.stepgrid li::before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;border-radius:50%;background:var(--gold)}
.stepgrid b{display:block;font:700 2.6rem/1 var(--serif);color:var(--gold);opacity:.9;margin-bottom:.3em}
.stepgrid p{color:var(--mut);margin:0}

/* split sections */
.about,.start{padding:96px 0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.photo{margin:0;border-radius:6px;overflow:hidden;box-shadow:0 30px 60px -20px rgba(0,0,0,.6);outline:1px solid var(--line)}
.photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.ticks,.num{padding:0;margin:1.5em 0 0;list-style:none}
.ticks li{position:relative;padding:0 0 .9em 2em;color:#cfd7e6}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:.9em;height:.5em;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg)}
.num{counter-reset:n}
.num li{counter-increment:n;display:flex;gap:1em;align-items:baseline;padding:.9em 0;border-bottom:1px solid var(--line);color:#cfd7e6}
.num li::before{content:counter(n);font:700 1.6rem var(--serif);color:var(--gold);min-width:1.2em}
.rev .photo{order:2}

/* cards */
.cards{padding:96px 0;background:var(--bg2)}
.cardgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:2.5em}
.cardgrid article{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:28px 24px;transition:border-color .2s,transform .2s}
.cardgrid article:hover{border-color:var(--gold);transform:translateY(-3px)}
.cardgrid p{color:var(--mut);margin:0}

/* responsible */
.play{padding:96px 0}
.playbox{display:flex;gap:28px;align-items:center;background:linear-gradient(135deg,#16264a,#101b30);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:6px;padding:36px}
.playbox p{margin:0;color:#cfd7e6;max-width:46em}
.badge{display:inline-grid;place-items:center;min-width:46px;height:46px;padding:0 .6em;border-radius:50%;border:2px solid var(--gold);color:var(--gold);font:700 .95rem var(--sans);flex:none}
.badge.big{width:84px;height:84px;font-size:1.6rem}
.sm{margin:2.5em 0 1em;font-size:1rem;letter-spacing:.14em;text-transform:uppercase;color:var(--mut);font-family:var(--sans)}
.orgs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.orgs a{display:block;padding:22px;border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--tx);transition:.2s}
.orgs a:hover{border-color:var(--gold);background:var(--card)}
.orgs b{display:block;font:700 1.1rem var(--serif);color:var(--gold2);margin-bottom:.3em}
.orgs span{color:var(--mut);font-size:.95rem}

.closing{padding:96px 0;text-align:center;background:radial-gradient(ellipse at 50% 0,#1a2d52,var(--bg) 70%)}
.closing p{max-width:40em;margin:0 auto;color:#cfd7e6;font-size:1.1rem}

/* inner pages */
.phead{padding:72px 0 40px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,var(--bg2),var(--bg))}
.phead h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:.3em}
.sub{color:var(--mut);max-width:38em;margin:0;font-size:1.1rem}
.body{padding:56px 0 96px}
.prose h2{font-size:1.55rem;margin-top:2em;color:var(--gold2)}
.prose h3{font-family:var(--sans);font-size:1.02rem;margin:1.4em 0 .3em}
.prose p,.prose li{color:#cfd7e6}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose .lead{font-size:1.15rem;color:var(--tx);border-left:3px solid var(--gold);padding-left:1em}
.help{display:grid;gap:16px}
.help>div{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:20px 24px}
.help h3{margin-top:0;font-family:var(--serif);color:var(--gold2)}
.help p{margin:.3em 0 0}

/* forms */
.auth{display:grid;gap:18px}
label{display:grid;gap:6px;font-size:.9rem;font-weight:600;color:var(--mut)}
input[type=text],input[type=email],input[type=password],select{width:100%;padding:.8em 1em;background:var(--card);color:var(--tx);border:1px solid var(--line);border-radius:6px;font:1rem var(--sans)}
input:focus,select:focus,button:focus-visible,.btn:focus-visible,a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
label.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;line-height:1.4}
label.check input{margin-top:.2em;accent-color:var(--gold)}
.msg{min-height:1.4em;margin:0;font-size:.92rem}
.msg.err{color:#ff9b9b}.msg.ok{color:#8fe3b0}
.alt-link{margin-top:1.6em;color:var(--mut)}

/* slip */
.slip{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:32px;display:grid;gap:26px}
.slip-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
fieldset{border:0;padding:0;margin:0}
legend{font-weight:600;color:var(--mut);font-size:.9rem;margin-bottom:12px;padding:0}
legend span{color:var(--gold)}
.runners{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.runner{aspect-ratio:1;border-radius:50%;border:1.5px solid var(--line);background:var(--bg2);color:var(--tx);font:700 1.1rem var(--serif);cursor:pointer;transition:.15s}
.runner:hover:not(:disabled){border-color:var(--gold)}
.runner.on{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.runner:disabled{opacity:.3;cursor:not-allowed}
.slip-actions{display:flex;gap:10px;margin-top:16px}
.ghost{background:none;border:1px solid var(--line);color:var(--tx);border-radius:999px;padding:.55em 1.1em;font:600 .9rem var(--sans);cursor:pointer}
.ghost:hover{border-color:var(--gold)}
.summary{margin:0;border-top:1px dashed var(--line)}
.summary div{display:flex;justify-content:space-between;gap:20px;padding:.7em 0;border-bottom:1px dashed var(--line)}
.summary dt{color:var(--mut)}.summary dd{margin:0;font-weight:600;text-align:right}
.summary .total dd{font:700 1.5rem var(--serif);color:var(--gold2)}
.go{text-align:center}
.go.is-off{opacity:.4;cursor:not-allowed;pointer-events:auto}
.fine{font-size:.82rem;color:var(--mut);margin:0}

/* footer */
.foot{background:#070d19;border-top:1px solid var(--line);padding:56px 0 36px;font-size:.92rem}
.foot-top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center;padding-bottom:28px;border-bottom:1px solid var(--line)}
.foot-nav{display:flex;flex-wrap:wrap;gap:6px 22px}
.foot-nav a{color:var(--mut);text-decoration:none}.foot-nav a:hover{color:var(--gold2)}
.rg{display:flex;gap:18px;align-items:flex-start;padding:28px 0}
.rg h2{font:700 1rem var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:0 0 .4em}
.rg p{margin:0;color:var(--mut)}
.regbox{border:1px solid var(--line);border-radius:6px;padding:0 20px}
.regbox>summary{cursor:pointer;padding:16px 0;font-weight:600;color:var(--tx)}
.regbody{padding-bottom:16px;color:var(--mut)}
.reg-lead{margin:0 0 1em}
.reg{border-top:1px solid var(--line);padding:0}
.reg summary{cursor:pointer;padding:12px 0;color:var(--gold2);font-weight:600}
.reg p{margin:0 0 .6em}
.reg .fine{margin-bottom:1em}
.copy{margin:28px 0 0;text-align:center;color:var(--mut);font-size:.85rem}

@media (max-width:900px){
  .stepgrid,.cardgrid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .rev .photo{order:0}
  .orgs{grid-template-columns:1fr}
  .playbox{flex-direction:column;align-items:flex-start}
}
@media (max-width:720px){
  .burger{display:flex}
  .nav{position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 20px 20px;display:none}
  .nav-t:checked~.nav{display:flex}
  .nav a{padding:.8em 1em}
  .hero{background:linear-gradient(180deg,rgba(11,19,34,.55),rgba(11,19,34,.95)),url(hero.jpg) center/cover}
  .steps,.about,.start,.cards,.play,.closing{padding:64px 0}
  .stepgrid,.cardgrid{grid-template-columns:1fr}
  .slip{padding:20px}
  .slip-row{grid-template-columns:1fr}
  .runners{grid-template-columns:repeat(5,1fr)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}