:root{--bg: #f4f7f2;--surface: #ffffff;--text: #1f2937;--muted: #6b7280;--accent: #22c55e;--accent-dark: #16a34a;--border: #e5e7eb;--radius: 16px;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 8px 24px rgba(16, 24, 40, .06);--board-bg: #bbada0;--cell-bg: rgba(238, 228, 218, .35)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--accent-dark);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:960px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:10;background:#ffffffd9;backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:60px}.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:20px;color:var(--text);letter-spacing:-.02em}.logo:hover{text-decoration:none}.logo .mark{width:32px;height:32px;border-radius:9px;background:var(--accent);display:grid;place-items:center;font-size:18px}.main-nav{display:flex;gap:22px;font-weight:600;font-size:15px}.main-nav a{color:var(--muted)}.main-nav a:hover{color:var(--text);text-decoration:none}.site-footer{margin-top:64px;padding:28px 0 40px;border-top:1px solid var(--border);color:var(--muted);font-size:14px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}.site-footer nav{display:flex;gap:18px}.hero{padding:56px 0 24px;text-align:center}.hero h1{font-size:clamp(30px,5vw,44px);letter-spacing:-.03em;line-height:1.15}.hero .sub{max-width:560px;margin:14px auto 0;color:var(--muted);font-size:17px}.hero .frog{font-size:clamp(44px,8vw,64px);display:block;margin-bottom:10px}.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;margin:28px 0 8px}.game-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:8px;transition:transform .15s ease,box-shadow .15s ease}.game-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}.game-card .emoji{font-size:34px}.game-card h2{font-size:19px;color:var(--text);letter-spacing:-.01em}.game-card p{color:var(--muted);font-size:14.5px}.game-card .play{margin-top:auto;align-self:flex-start;background:var(--accent);color:#fff;font-weight:700;font-size:13.5px;padding:7px 14px;border-radius:999px}.content-section{margin:44px 0}.content-section h2{font-size:22px;margin-bottom:12px;letter-spacing:-.01em}.content-section p{margin-bottom:12px;color:#374151}.content-section ul{margin:0 0 12px 20px;color:#374151}.content-section li{margin-bottom:6px}.faq details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin-bottom:10px}.faq summary{font-weight:700;cursor:pointer;font-size:15.5px}.faq details p{margin:10px 0 0}.page-title{padding:40px 0 8px;font-size:clamp(26px,4vw,34px);letter-spacing:-.02em}.prose{max-width:720px}.prose p{margin-bottom:14px;color:#374151}.prose h2{font-size:20px;margin:26px 0 10px}.ad-slot{margin:22px auto;max-width:760px;text-align:center;overflow:hidden}.ad-slot-empty{border:2px dashed #cbd5e1;border-radius:10px;color:#94a3b8;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}.game-wrap{max-width:520px;margin:0 auto;padding:20px 0 8px}.scorebar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.scorebox{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:8px 16px;text-align:center;min-width:84px}.scorebox .label{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}.scorebox .value{font-size:22px;font-weight:800;line-height:1.1}.btn{background:var(--accent);border:none;color:#fff;font-weight:700;font-size:14.5px;padding:10px 18px;border-radius:12px;cursor:pointer;transition:background .15s ease}.btn:hover{background:var(--accent-dark)}.board{position:relative;display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(4,1fr);gap:10px;background:var(--board-bg);padding:10px;border-radius:14px;aspect-ratio:1;width:min(92vw,460px);margin:0 auto;touch-action:none;user-select:none}.cell{background:var(--cell-bg);border-radius:8px}.tile{display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:800;font-size:clamp(20px,6.5vw,34px);animation:pop .14s ease-out;color:#776e65;background:#eee4da}.tile.merged{animation:pop-merge .18s ease-out}@keyframes pop{0%{transform:scale(.6);opacity:.4}to{transform:scale(1);opacity:1}}@keyframes pop-merge{0%{transform:scale(1)}55%{transform:scale(1.14)}to{transform:scale(1)}}.v4{background:#ede0c8}.v8{background:#f2b179;color:#fff}.v16{background:#f59563;color:#fff}.v32{background:#f67c5f;color:#fff}.v64{background:#f65e3b;color:#fff}.v128{background:#edcf72;color:#fff}.v256{background:#edcc61;color:#fff}.v512{background:#edc850;color:#fff}.v1024{background:#edc53f;color:#fff;font-size:clamp(16px,5vw,26px)}.v2048{background:#edc22e;color:#fff;box-shadow:0 0 22px #edc22ea6;font-size:clamp(16px,5vw,26px)}.super{background:#3c3a32;color:#fff;font-size:clamp(14px,4.4vw,22px)}.overlay{position:absolute;inset:0;z-index:2;display:none;place-items:center;background:#eee4dad1;border-radius:14px}.overlay.show{display:grid}.overlay .card{text-align:center;padding:20px}.overlay .card h3{font-size:26px;margin-bottom:6px;letter-spacing:-.02em}.overlay .card p{color:var(--muted);margin-bottom:14px}@media(max-width:560px){.hero{padding:36px 0 16px}.main-nav{gap:14px}.scorebar{flex-wrap:wrap}}