:root{
  --bg0:#070a12;
  --bg1:#0b1020;
  --card:#0f1630cc;
  --card2:#0f1630;
  --stroke:#1d2a52;
  --text:#e8ecff;
  --muted:#aab4df;
  --muted2:#8792c7;
  --accent:#7cf6ff;
  --accent2:#b47cff;
  --good:#7cffc6;
  --warn:#ffd37c;
  --danger:#ff7c9d;
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --radius2: 26px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(124,246,255,.18), transparent 60%),
    radial-gradient(1200px 600px at 80% 20%, rgba(180,124,255,.16), transparent 62%),
    radial-gradient(900px 450px at 45% 85%, rgba(124,255,198,.10), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

body.bg-idle{
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(124,246,255,.14), transparent 60%),
    radial-gradient(1200px 600px at 80% 20%, rgba(180,124,255,.12), transparent 62%),
    radial-gradient(900px 450px at 45% 85%, rgba(124,255,198,.08), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}
body.bg-spin{
  background:
    radial-gradient(1200px 600px at 30% 10%, rgba(124,246,255,.24), transparent 60%),
    radial-gradient(1200px 600px at 70% 20%, rgba(180,124,255,.22), transparent 62%),
    radial-gradient(900px 450px at 50% 82%, rgba(124,255,198,.14), transparent 55%),
    linear-gradient(180deg, #060816, #0a1030);
}
body.bg-win{
  background:
    radial-gradient(1200px 600px at 25% 15%, rgba(124,246,255,.30), transparent 60%),
    radial-gradient(1200px 600px at 78% 18%, rgba(255,211,124,.20), transparent 62%),
    radial-gradient(900px 450px at 45% 85%, rgba(124,255,198,.20), transparent 55%),
    linear-gradient(180deg, #070a14, #0b1133);
}

a{color:inherit}
a:hover{opacity:.92}
a:focus-visible, button:focus-visible{
  outline: 3px solid rgba(124,246,255,.65);
  outline-offset: 3px;
  border-radius: 12px;
}

.container{
  width:min(1120px, calc(100% - 32px));
  margin:0 auto;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(6,8,18,.78), rgba(6,8,18,.42));
  border-bottom: 1px solid rgba(29,42,82,.6);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
  min-width: 210px;
}
.logo{
  width:42px;height:42px;
  border-radius: 14px;
  position:relative;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(124,246,255,.25);
  overflow:hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,.35);
}
.logo-core{
  width:18px;height:18px;border-radius: 9px;
  background: radial-gradient(circle at 35% 30%, rgba(124,246,255,.95), rgba(180,124,255,.55) 55%, rgba(124,255,198,.25) 85%);
  filter: blur(.1px);
}
.logo-orbit{
  position:absolute; inset:-10px;
  background: conic-gradient(from 0deg, rgba(124,246,255,.0), rgba(124,246,255,.55), rgba(180,124,255,.35), rgba(124,255,198,.35), rgba(124,246,255,.0));
  animation: spin 7s linear infinite;
  opacity:.55;
  mask: radial-gradient(circle, transparent 55%, #000 56%);
}
@keyframes spin{to{transform:rotate(360deg)}}

.brand-text{display:flex; flex-direction:column; line-height:1.05}
.brand-name{font-weight:700; letter-spacing:.2px}
.brand-domain{font-size:12px; color: var(--muted2)}

.header-disclaimer{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:10px;
  max-width: 660px;
  text-align:right;
}
.badge18{
  display:inline-grid;
  place-items:center;
  width:38px; height:38px;
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.18);
  box-shadow: 0 10px 25px rgba(0,0,0,.35);
  font-weight:700;
}
.disclaimer-text{
  font-size: 13px;
  color: var(--muted);
}

.main{
  padding: 28px 0 56px;
}

.hero-wrap{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items: stretch;
  margin-top: 18px;
}
@media (max-width: 920px){
  .hero-wrap{grid-template-columns:1fr; }
  .header-row{flex-direction:column; align-items:flex-start}
  .header-disclaimer{justify-content:flex-start; text-align:left; max-width:none}
}

.card{
  position:relative;
  background: linear-gradient(180deg, rgba(15,22,48,.86), rgba(15,22,48,.62));
  border: 1px solid rgba(29,42,82,.85);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.card-inner{padding: 22px}
.hero-card .card-inner{padding: 26px}

.glow-ring{
  position:absolute;
  inset:-120px;
  pointer-events:none;
  opacity:.55;
  filter: blur(10px);
}
.glow-ring::before{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(circle at 50% 50%, rgba(124,246,255,.40), transparent 55%),
              radial-gradient(circle at 45% 55%, rgba(180,124,255,.30), transparent 60%),
              radial-gradient(circle at 55% 45%, rgba(124,255,198,.20), transparent 65%);
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{transform: translate3d(0,0,0) scale(1)}
  50%{transform: translate3d(20px,-18px,0) scale(1.06)}
}

.kicker{
  display:inline-flex;
  gap:8px;
  align-items:center;
  font-size:12px;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(29,42,82,.75);
  background: rgba(8,10,18,.35);
}
.h1{
  font-size: clamp(28px, 4vw, 44px);
  line-height:1.08;
  margin: 14px 0 10px;
  letter-spacing:-.4px;
}
.sub{
  margin:0;
  color: var(--muted);
  max-width: 60ch;
}
.hero-meta{
  margin-top: 16px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.btn{
  appearance:none;
  border: 1px solid rgba(124,246,255,.35);
  background: linear-gradient(180deg, rgba(124,246,255,.22), rgba(180,124,255,.16));
  color: var(--text);
  font-weight: 700;
  letter-spacing:.2px;
  padding: 14px 18px;
  border-radius: 16px;
  cursor:pointer;
  min-height: 46px;
  box-shadow: 0 14px 34px rgba(0,0,0,.45);
  transition: transform .12s ease, border-color .12s ease, filter .12s ease;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
}
.btn:hover{transform: translateY(-1px)}
.btn:active{transform: translateY(0px) scale(.99)}
.btn[disabled]{opacity:.6; cursor:not-allowed; transform:none; filter:saturate(.7)}
.btn-secondary{
  border-color: rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  font-weight: 600;
}

.art-card{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.art-frame{
  position:relative;
  border-radius: var(--radius2);
  border: 1px solid rgba(124,246,255,.22);
  overflow:hidden;
  background: rgba(8,10,18,.35);
  aspect-ratio: 1 / 1;
  box-shadow: 0 18px 50px rgba(0,0,0,.55);
}
.art-frame::after{
  content:"";
  position:absolute; inset:-60%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.16), transparent);
  transform: translateX(-30%) rotate(8deg);
  animation: shimmer 3.4s ease-in-out infinite;
  pointer-events:none;
}
@keyframes shimmer{
  0%{transform: translateX(-55%) rotate(8deg); opacity: 0}
  30%{opacity:.9}
  55%{opacity:.25}
  100%{transform: translateX(55%) rotate(8deg); opacity: 0}
}
.art-img{
  width:100%; height:100%;
  display:block;
}

.benefits{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
@media (max-width: 920px){
  .benefits{grid-template-columns:1fr}
}
.benefit{
  padding: 18px;
  border-radius: var(--radius);
  border: 1px solid rgba(29,42,82,.75);
  background: rgba(255,255,255,.03);
}
.benefit h3{margin:0 0 6px; font-size: 15px}
.benefit p{margin:0; color: var(--muted); font-size: 13px; line-height: 1.45}

.section-title{
  margin: 28px 0 12px;
  font-size: 18px;
  letter-spacing:.2px;
}
.section-sub{
  margin: 0 0 14px;
  color: var(--muted);
}

.game-area{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
  align-items:start;
}
@media (max-width: 980px){
  .game-area{grid-template-columns:1fr}
}

.demo-card .card-inner{padding: 18px}
.demo-top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.demo-title{
  font-weight: 700;
  display:flex;
  gap:10px;
  align-items:center;
}
.pill{
  font-size:12px;
  color: var(--muted);
  border: 1px solid rgba(29,42,82,.75);
  background: rgba(8,10,18,.35);
  padding: 6px 10px;
  border-radius: 999px;
}

.board-wrap{
  position:relative;
  padding: 14px;
  border-radius: var(--radius2);
  background: rgba(8,10,18,.35);
  border: 1px solid rgba(29,42,82,.85);
  overflow:hidden;
}
.board-wrap.spin-active{
  border-color: rgba(124,246,255,.55);
  box-shadow: 0 0 0 2px rgba(124,246,255,.18), 0 25px 70px rgba(0,0,0,.55);
}
.board-wrap.spin-active::before{
  content:"";
  position:absolute; inset:-2px;
  border-radius: var(--radius2);
  border: 1px solid rgba(180,124,255,.35);
  animation: pulse 1.05s ease-in-out infinite;
  pointer-events:none;
}
@keyframes pulse{
  0%,100%{opacity:.25}
  50%{opacity:.85}
}

.board{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.cell{
  display:grid;
  place-items:center;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(29,42,82,.85);
  font-size: clamp(24px, 3.4vw, 34px);
  user-select:none;
  position:relative;
  overflow:hidden;
}
.cell::after{
  content:"";
  position:absolute; inset:0;
  background: radial-gradient(circle at 30% 25%, rgba(124,246,255,.12), transparent 50%),
              radial-gradient(circle at 70% 75%, rgba(180,124,255,.10), transparent 55%);
  opacity:.5;
  pointer-events:none;
}
.cell.is-win{
  border-color: rgba(124,255,198,.55);
  box-shadow: 0 0 0 2px rgba(124,255,198,.12);
}

.controls{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
  margin-top: 12px;
}
.kv{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  align-items:center;
  color: var(--muted);
  font-size: 13px;
}
.kv strong{color: var(--text); font-weight: 700}
.result{
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  min-height: 18px;
}

.side-card .card-inner{padding:18px}
.info-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(29,42,82,.75);
  background: rgba(255,255,255,.03);
}
.info-row + .info-row{margin-top: 10px}
.info-row .label{color: var(--muted); font-size: 13px}
.info-row .value{font-weight: 700}

.stats{
  margin-top: 14px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
@media (max-width: 720px){
  .stats{grid-template-columns: repeat(2, 1fr)}
}
.stat{
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(29,42,82,.75);
  background: rgba(255,255,255,.03);
}
.stat .label{color: var(--muted); font-size: 12px}
.stat .num{font-weight: 800; font-size: 18px; margin-top: 4px}

.responsible{
  margin-top: 26px;
}
.ext-links{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 920px){
  .ext-links{grid-template-columns:1fr 1fr}
}
.ext-links a{
  text-decoration:none;
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(29,42,82,.75);
  background: rgba(255,255,255,.03);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.ext-links a span{color: var(--muted); font-size: 13px}

.site-footer{
  margin-top: 44px;
  border-top: 1px solid rgba(29,42,82,.75);
  background: rgba(6,8,18,.55);
  backdrop-filter: blur(14px);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .6fr .7fr;
  gap: 16px;
  padding: 26px 0;
}
@media (max-width: 920px){
  .footer-grid{grid-template-columns:1fr}
}
.footer-brand{font-weight: 800; font-size: 16px; margin-bottom: 8px}
.footer-note{color: var(--muted); font-size: 13px; line-height:1.45; margin-bottom: 12px}
.footer-contact{color: var(--muted); font-size: 13px; line-height:1.65}
.footer-contact a{color: var(--text); text-decoration:none; border-bottom: 1px dashed rgba(124,246,255,.35)}
.footer-contact a:hover{opacity:.9}
.footer-links{
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.footer-links a{
  text-decoration:none;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(29,42,82,.6);
  background: rgba(255,255,255,.02);
}
.footer-small{color: var(--muted2); font-size: 12px; line-height:1.45}
.footer-meta + .footer-meta{margin-top: 8px}
.footer-disclaimer{
  margin-top: 12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-disclaimer span:last-child{color: var(--muted); font-size: 13px}

.toast-stack{
  position: fixed;
  right: 14px;
  bottom: 14px;
  display:flex;
  flex-direction:column;
  gap: 10px;
  z-index: 100;
  pointer-events:none;
}
.toast{
  width: min(340px, calc(100vw - 28px));
  border-radius: 16px;
  border: 1px solid rgba(29,42,82,.85);
  background: rgba(15,22,48,.82);
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 55px rgba(0,0,0,.55);
  padding: 12px 12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
  animation: toastIn .22s ease-out;
}
@keyframes toastIn{from{transform:translateY(8px); opacity:0} to{transform:translateY(0); opacity:1}}
.toast .ico{
  width:34px;height:34px;border-radius: 14px;
  border: 1px solid rgba(124,246,255,.28);
  background: rgba(255,255,255,.03);
  display:grid;place-items:center;
  flex: 0 0 auto;
}
.toast .t{
  font-weight: 800;
  margin: 0;
  font-size: 13px;
}
.toast .d{
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}