*,*::before,*::after{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:var(--navy-950);color:var(--text-hi);font-family:'Inter',system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{margin:0;font-family:'Sora',system-ui,sans-serif;letter-spacing:-0.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
:root{
  --navy-950:#04070e;
  --navy-900:#070c18;
  --navy-800:#0c1526;
  --navy-700:#121f38;
  --navy-600:#1b2d4e;
  --ice-300:#bfe6ff;
  --ice-400:#8ecdff;
  --ice-500:#57a9ff;
  --ice-600:#3a7fdb;
  --text-hi:#f2f6fb;
  --text-lo:#8fa1bd;
  --line:rgba(142,205,255,0.13)
}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ice-400)}
.section-title{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.2;margin-top:10px;text-wrap:balance;color:var(--text-hi)}

.bg-field{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(900px 560px at 50% -8%,rgba(87,169,255,0.20),transparent 60%),
  radial-gradient(700px 480px at 92% 18%,rgba(58,127,219,0.12),transparent 55%),
  linear-gradient(180deg,var(--navy-950),var(--navy-900) 45%,var(--navy-950))}
.bg-grid{display:none}

.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 28px;background:rgba(5,10,20,0.68);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-family:'Sora',system-ui,sans-serif;font-weight:700;font-size:15px;white-space:nowrap;color:var(--text-hi)}
.brand-mark{width:30px;height:30px;flex:none;border-radius:8px;object-fit:cover}
.brand em{font-style:normal;color:var(--ice-400)}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;font-weight:500;color:var(--text-lo)}
.nav-links a{padding:6px 2px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--text-hi);border-color:var(--ice-500)}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-credit{font-size:12.5px;color:var(--text-lo);white-space:nowrap}
.nav-credit strong{color:var(--ice-300);font-weight:700}
.nav-credit:hover strong{color:var(--ice-200,var(--ice-300))}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px;color:var(--text-hi)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;border-radius:10px;font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--text-hi);color:var(--navy-950);box-shadow:0 10px 26px -10px rgba(87,169,255,0.5)}
.btn-primary:hover{box-shadow:0 14px 30px -8px rgba(87,169,255,0.6);transform:translateY(-1px)}
.btn-ghost{background:rgba(142,205,255,0.06);border-color:var(--line);color:var(--text-hi)}
.btn-ghost:hover{background:rgba(142,205,255,0.12);border-color:var(--ice-500)}
.btn-outline{background:transparent;border-color:var(--navy-600);color:var(--ice-300)}
.btn-outline:hover{background:rgba(142,205,255,0.08);border-color:var(--ice-500)}
.btn svg{width:16px;height:16px}

.hero{position:relative;padding:80px 24px 44px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px}
.hero-logo{width:104px;height:104px;border-radius:22px;object-fit:cover;box-shadow:0 18px 50px -14px rgba(87,169,255,0.5),0 0 0 1px var(--line)}
.hero-tagline{font-size:clamp(18px,2.4vw,23px);font-weight:700;color:var(--text-hi);margin-top:6px}
.hero-sub{max-width:520px;color:var(--text-lo);font-size:15px;line-height:1.65}

.embed{margin-top:20px;width:min(560px,100%);text-align:left;display:flex;gap:0;background:var(--navy-800);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.embed-bar{width:4px;flex:none;background:linear-gradient(180deg,var(--ice-400),var(--ice-600))}
.embed-body{display:flex;gap:14px;padding:18px;flex:1;min-width:0}
.embed-icon{width:44px;height:44px;flex:none;border-radius:10px;overflow:hidden;background:var(--navy-700)}
.embed-icon img{width:100%;height:100%;object-fit:cover}
.embed-text{min-width:0}
.embed-eyebrow{font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ice-400)}
.embed-text h2{font-size:18px;margin-top:3px;font-weight:700}
.embed-desc{margin-top:6px;font-size:13.5px;color:var(--text-lo);line-height:1.55}
.embed-stats{margin-top:10px;display:flex;gap:14px;font-size:12px;color:var(--text-lo);flex-wrap:wrap}
.embed-cta{align-self:center;margin:0 16px 0 0;flex:none;padding:10px 18px;font-size:13px}
@media (max-width:520px){.embed{flex-direction:column}.embed-bar{width:100%;height:3px}.embed-cta{margin:0 18px 18px}}

.features{padding:76px 24px;text-align:center}
.feature-grid{margin-top:36px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px;text-align:left;max-width:900px;margin-inline:auto}
@media (max-width:720px){.feature-grid{grid-template-columns:1fr}}
.feature-card{padding:26px;border:1px solid var(--line);border-radius:16px;background:var(--navy-900);transition:border-color .2s,transform .2s,background .2s}
.feature-card:hover{border-color:var(--navy-600);transform:translateY(-2px);background:var(--navy-800)}
.feature-icon{width:42px;height:42px;border-radius:11px;background:var(--navy-700);display:flex;align-items:center;justify-content:center;color:var(--ice-400);margin-bottom:16px}
.feature-icon svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:15.5px;font-weight:700;color:var(--text-hi)}
.feature-card p{margin-top:8px;font-size:13.5px;line-height:1.6;color:var(--text-lo)}

.rules-teaser{padding:0 24px 90px}
.teaser-card{max-width:1000px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:30px 32px;border:1px solid var(--line);border-radius:18px;background:var(--navy-900)}
.teaser-card h2{font-size:21px;margin-top:6px;font-weight:700}
.teaser-card p{margin-top:8px;color:var(--text-lo);font-size:14px;max-width:420px}

.credit-section{padding:0 24px 80px}
.credit-embed{max-width:640px;margin:0 auto;display:flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--navy-800)}
.credit-embed-bar{width:4px;flex:none;background:linear-gradient(180deg,var(--ice-400),var(--ice-600))}
.credit-embed-body{display:flex;align-items:center;gap:16px;padding:22px;flex:1;min-width:0}
.credit-mark{width:48px;height:48px;flex:none;border-radius:12px;object-fit:cover;box-shadow:0 0 0 1px var(--line)}
.credit-text{min-width:0}
.credit-text .embed-eyebrow{color:var(--ice-400)}
.credit-text h2{font-size:18px;margin-top:3px;font-weight:700}
.credit-text p{margin-top:6px;font-size:13.5px;color:var(--text-lo);line-height:1.55}
.credit-cta{flex:none;margin-right:18px}
@media (max-width:560px){.credit-embed{flex-direction:column}.credit-embed-bar{width:100%;height:3px}.credit-embed-body{flex-direction:column;text-align:center}.credit-cta{margin:0 0 20px}}

footer{border-top:1px solid var(--line);padding:26px 24px calc(26px + env(safe-area-inset-bottom,0px));display:flex;align-items:center;justify-content:center;gap:10px;color:var(--text-lo);font-size:12.5px}
footer .dot{opacity:.4}

.page-hero{padding:64px 24px 24px;text-align:center}
.page-hero h1{font-size:clamp(28px,4vw,40px);font-weight:700}
.page-hero p{margin-top:10px;color:var(--text-lo);font-size:14.5px}

.rules{padding:30px 24px 90px;display:flex;flex-direction:column;gap:16px;max-width:860px;margin:0 auto}
.rule-card{border:1px solid var(--line);border-radius:16px;background:var(--navy-900);padding:26px 28px;display:flex;gap:18px}
.rule-num{flex:none;width:40px;height:40px;border-radius:10px;background:var(--navy-700);color:var(--ice-300);font-family:'Sora',system-ui,sans-serif;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.rule-body h2{font-size:16.5px;color:var(--text-hi);font-weight:700}
.rule-body ul{margin-top:12px;display:flex;flex-direction:column;gap:10px}
.rule-body li{position:relative;padding-left:18px;font-size:13.6px;line-height:1.65;color:var(--text-lo)}
.rule-body li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--ice-500)}
.rule-body strong{color:var(--text-hi)}

@media (max-width:760px){
  .nav-links{position:fixed;inset:64px 16px auto 16px;background:var(--navy-900);border:1px solid var(--line);border-radius:14px;padding:16px;flex-direction:column;align-items:flex-start;gap:10px;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .18s,transform .18s}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-toggle{display:flex}
  .nav-right .btn-ghost,.nav-right .nav-credit{display:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}