:root{
  --primary:#34d399;
  --primary-glow:rgba(52,211,153,0.4);
  --secondary:#10b981;
  --accent:#a3e635;
  --accent-glow:rgba(163,230,53,0.3);
  --bg-1:#052e16;
  --bg-2:#14532d;
  --bg-3:#022c22;
  --card-bg:rgba(20,83,45,0.6);
  --card-border:rgba(52,211,153,0.2);
  --text:#d1fae5;
  --muted:#9ae6c9;
  --danger:#ef4444;
  --radius:8px;
  --speed:0.25s;
  --ease:cubic-bezier(0.34,1.56,0.64,1);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Nunito,system-ui,sans-serif;
  font-weight:400;
  color:var(--text);
  background:linear-gradient(120deg,var(--bg-1),var(--bg-2) 50%,var(--bg-3));
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:50px 0}
.section-head{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.section-title{font-family:Poppins,system-ui,sans-serif;font-weight:600;font-size:28px;margin:0}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:transparent}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;margin-top:6px;background:rgba(2,44,34,0.25);backdrop-filter:blur(10px);border:1px solid var(--card-border);border-radius:var(--radius)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand-text{font-family:Poppins,system-ui,sans-serif;font-weight:600;letter-spacing:.2px}
.main-nav{position:relative}
#navMenu{display:flex;align-items:center;gap:18px;list-style:none;margin:0;padding:0}
.nav-link{color:var(--muted);padding:8px 10px;border-radius:6px;transition:color var(--speed) var(--ease),transform var(--speed) var(--ease)}
.nav-link:hover{color:#ecfdf5;transform:scale(1.05)}
.nav-link.active{color:#ecfdf5}
.header-age{margin-left:10px}
.age-pill{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);color:var(--accent);border-radius:999px;font-family:'Roboto Mono',monospace;padding:4px 10px;font-size:12px;text-shadow:0 0 8px var(--accent-glow);box-shadow:inset 0 0 12px var(--accent-glow),0 0 18px var(--accent-glow)}
.age-pill.large{font-size:14px;padding:6px 12px}

.hamburger{display:none;flex-direction:column;gap:4px;background:transparent;border:none}
.hamburger span{width:24px;height:2px;background:var(--primary);transition:all var(--speed) var(--ease)}

.btn{--_bg:transparent;--_fg:var(--primary);--_bd:var(--primary);display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius);border:1px solid var(--_bd);color:var(--_fg);background:var(--_bg);cursor:pointer;transition:transform var(--speed) var(--ease),background var(--speed) var(--ease),box-shadow var(--speed) var(--ease),color var(--speed) var(--ease)}
.btn:hover{transform:scale(1.05);box-shadow:0 0 24px var(--primary-glow)}
.btn-outline{--_bg:transparent;--_fg:var(--primary);--_bd:var(--primary)}
.btn-primary{--_bg:transparent;--_fg:#ecfdf5;--_bd:var(--secondary)}
.btn-primary:hover{background:var(--secondary)}
.btn-outline:hover{background:var(--primary);color:#022c22}
.btn-nav{padding:8px 14px}
.pulse{animation:pulse 2s infinite}
.cta-age{font-family:'Roboto Mono',monospace;font-size:11px;color:var(--accent)}

/* Hero */
.hero{position:relative;min-height:78vh;display:flex;align-items:center;justify-content:center;background-image:var(--hero-img);background-size:cover;background-position:center;border-bottom:1px solid var(--card-border)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,44,34,.7),rgba(2,44,34,.55) 40%,rgba(2,44,34,.85));}
.hero-inner{position:relative;text-align:center;padding:80px 0}
.hero-title{font-family:Poppins,system-ui,sans-serif;font-weight:700;font-size:42px;margin:0 0 12px;letter-spacing:.3px;filter:drop-shadow(0 8px 24px rgba(0,0,0,.45));animation:float 8s ease-in-out infinite}
.hero-sub{color:var(--muted);margin:0 0 18px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-note{opacity:.85;font-size:12px;color:var(--muted);margin-top:10px}
.floating-suits{position:absolute;inset:0;pointer-events:none}
.floating-suits span{position:absolute;color:var(--primary);opacity:.35;filter:drop-shadow(0 0 14px var(--primary-glow));animation:float 12s ease-in-out infinite}
.floating-suits span:nth-child(1){top:10%;left:8%;font-size:28px}
.floating-suits span:nth-child(2){top:20%;right:12%;font-size:22px;animation-delay:2s}
.floating-suits span:nth-child(3){bottom:15%;left:18%;font-size:26px;animation-delay:4s}
.floating-suits span:nth-child(4){bottom:10%;right:8%;font-size:24px;animation-delay:6s}

/* Cards */
.games-grid{display:grid;grid-template-columns:1fr;gap:18px}
.game-card{border:1px solid var(--card-border);border-radius:var(--radius);padding:12px;background:rgba(0,0,0,0.08);backdrop-filter:blur(6px);transition:transform var(--speed) var(--ease),box-shadow var(--speed) var(--ease),border-color var(--speed) var(--ease)}
.game-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 0 28px var(--primary-glow);border-color:var(--primary)}
.game-image-container{position:relative;overflow:hidden;border-radius:6px;border:1px dashed var(--card-border);aspect-ratio:16/9;background:linear-gradient(135deg,rgba(52,211,153,.08),rgba(163,230,53,.06))}
.game-image{width:100%;height:100%;object-fit:cover;display:block;transition:transform var(--speed) var(--ease)}
.game-card:hover .game-image{transform:scale(1.05)}
.game-image-fallback{display:none;align-items:center;justify-content:center;position:absolute;inset:0;color:#ecfdf5;font-family:Poppins,system-ui,sans-serif;padding:14px;background:radial-gradient(1000px 400px at 30% 20%,var(--primary-glow) 0,transparent 50%),radial-gradient(800px 360px at 80% 70%,var(--accent-glow) 0,transparent 60%);text-align:center}
.game-info{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.game-category{font-size:12px;border:1px solid var(--card-border);padding:4px 8px;border-radius:999px;color:var(--muted)}
.age-badge{font-family:'Roboto Mono',monospace;border:1px solid var(--accent);color:var(--accent);border-radius:999px;padding:3px 8px;font-size:12px;text-shadow:0 0 8px var(--accent-glow);box-shadow:inset 0 0 12px var(--accent-glow),0 0 18px var(--accent-glow)}
.game-title{margin:10px 0 8px;font-family:Poppins,system-ui,sans-serif;font-weight:600}
.play-demo-btn{width:100%;border:1px solid var(--secondary);background:transparent;color:#ecfdf5;border-radius:var(--radius);padding:10px 12px;cursor:pointer;transition:transform var(--speed) var(--ease),background var(--speed) var(--ease),box-shadow var(--speed) var(--ease)}
.play-demo-btn:hover{transform:scale(1.05);background:var(--secondary);box-shadow:0 0 24px var(--primary-glow)}

/* How / Features */
.how-grid,.features-grid{display:grid;grid-template-columns:1fr;gap:14px}
.how-card,.feature-card{border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;background:rgba(0,0,0,0.08);backdrop-filter:blur(6px)}
.how-icon{font-size:22px;margin-bottom:6px}

/* Responsible */
.rg-grid{display:grid;grid-template-columns:1fr;gap:16px}
.rg-card{border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;background:rgba(0,0,0,0.08)}
.rg-hero-age{font-family:'Roboto Mono',monospace;font-size:28px;display:inline-block;border:1px solid var(--accent);color:var(--accent);border-radius:10px;padding:6px 10px;box-shadow:inset 0 0 18px var(--accent-glow),0 0 24px var(--accent-glow)}
.rg-list{margin:10px 0 0 18px}
.rg-links{margin-top:14px}
.rg-resources{list-style:disc;margin:8px 0 0 18px}
.rg-wide{display:grid;grid-template-columns:1fr;gap:18px}
.rg-callout{border:1px solid var(--card-border);border-radius:var(--radius);padding:16px;background:rgba(0,0,0,0.08)}
.rg-resources-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:10px}
.resource-link{display:block;border:1px solid var(--card-border);border-radius:var(--radius);padding:12px;background:rgba(0,0,0,0.08);transition:transform var(--speed) var(--ease),border-color var(--speed) var(--ease)}
.resource-link:hover{transform:translateY(-3px);border-color:var(--primary)}

/* FAQ */
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--card-border);border-radius:var(--radius);padding:12px;background:rgba(0,0,0,0.08)}
.faq-item summary{cursor:pointer;font-weight:600;font-family:Poppins,system-ui,sans-serif}

/* Page hero mini */
.page-hero{padding:60px 0 30px;background:linear-gradient(180deg,rgba(2,44,34,.5),rgba(2,44,34,.2));border-bottom:1px solid var(--card-border)}
.page-hero.mini{padding:46px 0 24px}
.page-hero h1{font-family:Poppins,system-ui,sans-serif;font-weight:700;margin:0 0 8px}
.page-hero .sub{color:var(--muted);margin:0}
.age-reminder{display:flex;align-items:center;gap:10px;margin-top:10px}

/* Filters */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.filter-btn{border:1px solid var(--card-border);background:transparent;color:var(--muted);border-radius:999px;padding:6px 12px;cursor:pointer;transition:all var(--speed) var(--ease)}
.filter-btn.active,.filter-btn:hover{color:#022c22;background:var(--primary);border-color:var(--primary)}

/* Footer */
.site-footer{padding:40px 0 0;border-top:1px solid var(--card-border);background:linear-gradient(180deg,rgba(2,44,34,.4),rgba(2,44,34,.9))}
.footer-grid{display:grid;gap:18px}
.footer-note{color:var(--muted);margin-top:8px}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}
.footer-links a{color:var(--muted)}
.footer-age{display:flex;align-items:center;justify-content:flex-start}
.age-burst{font-family:'Roboto Mono',monospace;font-size:34px;border:2px solid var(--accent);border-radius:999px;padding:10px 18px;color:var(--accent);box-shadow:inset 0 0 22px var(--accent-glow),0 0 34px var(--accent-glow)}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;padding:14px 0;margin-top:14px;border-top:1px solid var(--card-border);color:var(--muted)}

.section-disclaimer{margin-top:14px;color:var(--muted);font-size:12px}

/* Modals */
.age-modal{position:fixed;inset:0;display:none;z-index:100}
.age-modal.active{display:block}
.age-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.age-content{position:relative;max-width:520px;margin:12vh auto 0;background:rgba(0,0,0,0.35);border:1px solid var(--card-border);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:0 0 28px var(--primary-glow)}
.age-icon{font-family:'Roboto Mono',monospace;font-size:28px;display:inline-block;border:1px solid var(--accent);color:var(--accent);border-radius:10px;padding:8px 12px;margin-bottom:8px;box-shadow:inset 0 0 18px var(--accent-glow),0 0 24px var(--accent-glow)}
.age-actions{display:flex;gap:10px;justify-content:center;margin-top:12px}

.game-modal{position:fixed;inset:0;display:none;z-index:90}
.game-modal.active{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.modal-content{position:relative;max-width:1100px;margin:6vh auto;background:rgba(0,0,0,0.35);border:1px solid var(--card-border);border-radius:var(--radius);padding:10px;box-shadow:0 0 30px var(--primary-glow)}
.modal-header{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:6px 6px 10px;border-bottom:1px solid var(--card-border)}
.modal-header h2{font-family:Poppins,system-ui,sans-serif;font-weight:600;margin:4px 0}
.close-btn{border:1px solid var(--card-border);background:transparent;color:var(--text);border-radius:8px;width:34px;height:34px;cursor:pointer;transition:transform var(--speed) var(--ease),background var(--speed) var(--ease)}
.close-btn:hover{transform:scale(1.05);background:rgba(0,0,0,0.2)}
#game-iframe{width:100%;height:70vh;border:none;display:block}
.demo-unavailable{display:none;align-items:center;justify-content:center;height:40vh;color:var(--muted)}

/* Responsive */
@media (min-width:640px){
  .games-grid{grid-template-columns:repeat(2,1fr)}
  .how-grid,.features-grid{grid-template-columns:repeat(2,1fr)}
  .rg-grid{grid-template-columns:2fr 1fr}
  .rg-resources-grid{grid-template-columns:repeat(3,1fr)}
}
@media (min-width:768px){
  .hero-title{font-size:56px}
  .hero{min-height:88vh}
}
@media (min-width:1024px){
  #navMenu{gap:20px}
}
@media (min-width:1280px){
  .games-grid{grid-template-columns:repeat(3,1fr)}
  .how-grid,.features-grid{grid-template-columns:repeat(3,1fr)}
}

/* Animations */
@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-6px)}100%{transform:translateY(0)}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,0.5)}70%{box-shadow:0 0 0 16px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

/* Minimal lines accents */
.brand-mark{filter:drop-shadow(0 0 10px var(--primary-glow))}