.merge-hero{min-height:570px;padding:90px clamp(20px,7vw,110px);display:grid;grid-template-columns:1fr 360px;gap:70px;align-items:center;background:radial-gradient(circle at 78% 28%,rgba(200,255,0,.14),transparent 26%),radial-gradient(circle at 84% 68%,rgba(138,77,255,.2),transparent 28%),#050607}.merge-hero .primary-button{margin-top:22px}.merge-hero aside{padding:30px;border:1px solid rgba(200,255,0,.3);border-radius:20px;background:#0d1016}.merge-hero aside strong{display:block;color:var(--lime);font-size:48px;margin:14px 0}.merge-hero aside p:last-child{color:var(--muted);line-height:1.5}.merge-section{padding:90px clamp(12px,6vw,96px)}.merge-shell{width:min(760px,100%);margin:auto;border:1px solid rgba(200,255,0,.28);border-radius:24px;background:#0d1016;box-shadow:var(--shadow);overflow:hidden}.merge-hud{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.merge-hud div{text-align:center;padding:16px 8px;border-right:1px solid var(--line)}.merge-hud div:last-child{border:0}.merge-hud span{display:block;color:var(--muted);font-size:9px;text-transform:uppercase}.merge-hud strong{font-size:24px}.merge-play{position:relative;padding:22px}.merge-board{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;aspect-ratio:1;width:100%;padding:11px;border:1px solid rgba(255,255,255,.09);border-radius:20px;background:#07090d;touch-action:none;user-select:none}.merge-cell{display:grid;place-items:center;min-width:0;border:1px solid rgba(255,255,255,.07);border-radius:14px;background:#11151c;color:#fff;font-size:clamp(23px,6vw,54px);font-weight:900;transition:transform .12s,background .15s}.merge-cell.spawn{animation:mergePop .18s ease}.merge-cell.merged{animation:mergePulse .22s ease}.merge-cell[data-value="2"]{color:#c8ff00}.merge-cell[data-value="4"]{background:#18220b;color:#c8ff00}.merge-cell[data-value="8"]{background:#26390b;color:#d7ff4b}.merge-cell[data-value="16"]{background:#3a216c}.merge-cell[data-value="32"]{background:#5a2dac}.merge-cell[data-value="64"]{background:#8a4dff}.merge-cell[data-value="128"]{background:#c8ff00;color:#050607;box-shadow:0 0 24px rgba(200,255,0,.35)}.merge-cell.high{background:linear-gradient(145deg,#c8ff00,#8a4dff);color:#050607}.merge-overlay{position:absolute;inset:22px;display:none;place-items:center;align-content:center;text-align:center;padding:24px;border-radius:20px;background:rgba(5,6,7,.92);backdrop-filter:blur(8px);z-index:5}.merge-overlay.active{display:grid}.merge-overlay h3{font-size:clamp(30px,7vw,56px);margin:8px}.merge-overlay p{max-width:520px;color:var(--muted)}.merge-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 22px}.merge-actions button,.merge-pad button{min-height:50px;border:1px solid rgba(200,255,0,.25);border-radius:10px;background:#111722;color:#fff;font-weight:900}.merge-pad{display:none;grid-template-columns:repeat(3,1fr);gap:7px;padding:14px 22px}.merge-pad button{font-size:24px}@keyframes mergePop{from{transform:scale(.35)}to{transform:scale(1)}}@keyframes mergePulse{50%{transform:scale(1.1)}}@media(max-width:760px){.merge-hero{grid-template-columns:1fr;min-height:auto;padding-top:70px}.merge-hero aside{max-width:480px}.merge-section{padding-top:60px}.merge-play{padding:12px}.merge-board{gap:7px;padding:7px;border-radius:14px}.merge-cell{border-radius:9px}.merge-overlay{inset:12px}.merge-pad{display:grid}.merge-actions{padding:0 12px}.merge-hud strong{font-size:19px}.merge-shell .control-hint{display:none}}@media(max-width:420px){.merge-section{padding-left:8px;padding-right:8px}.merge-board{gap:5px}.merge-cell{font-size:27px}.merge-overlay{padding:15px}.merge-overlay .result-grid{grid-template-columns:repeat(3,1fr);gap:5px}.merge-overlay .result-grid div{padding:8px 3px}.merge-overlay .hero-actions>*{width:100%}}