/* Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Work Sans',system-ui,sans-serif;font-weight:400;background:linear-gradient(180deg,#1c0a0d 0%,#2d1215 50%,#0f0506 100%);color:#fff;line-height:1.6;overflow-x:hidden;}
:root{--primary:#f43f5e;--primary-glow:rgba(244,63,94,0.4);--secondary:#e11d48;--accent:#fb7185;--accent-glow:rgba(251,113,133,0.3);--bg-gradient:linear-gradient(180deg,#1c0a0d 0%,#2d1215 50%,#0f0506 100%);--card-bg:rgba(45,18,21,0.6);--card-border:rgba(244,63,94,0.2);--transition:all 0.3s cubic-bezier(0.4,0,0.2,1);}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
button{border:none;background:none;cursor:pointer;font-family:inherit;}

/* Typography */
h1,h2,h3,h4,h5,h6{font-family:'Outfit',system-ui,sans-serif;font-weight:700;line-height:1.2;}
h1{font-size:clamp(2.5rem,5vw,4rem);}
h2{font-size:clamp(2rem,4vw,3rem);}
h3{font-size:clamp(1.5rem,3vw,2rem);}

/* Container */
.sfd4-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}

/* Age Badge */
.sfd4-age-badge{background:var(--primary);color:#fff;padding:0.25rem 0.75rem;border-radius:9999px;font-size:0.875rem;font-weight:700;display:inline-flex;align-items:center;gap:0.25rem;}

/* Age Modal */
.sfd4-age-modal{position:fixed;inset:0;background:rgba(0,0,0,0.95);display:flex;align-items:center;justify-content:center;z-index:9999;opacity:0;pointer-events:none;transition:var(--transition);}
.sfd4-age-modal.sfd4-active{opacity:1;pointer-events:all;}
.sfd4-age-modal-content{background:var(--card-bg);border:2px solid var(--card-border);border-radius:16px;padding:3rem 2rem;max-width:500px;text-align:center;box-shadow:0 20px 60px var(--primary-glow),0 8px 16px rgba(0,0,0,0.8);}
.sfd4-age-modal-icon{font-size:4rem;margin-bottom:1rem;}
.sfd4-age-modal h2{margin-bottom:1rem;color:var(--primary);}
.sfd4-age-modal p{margin-bottom:2rem;opacity:0.9;}
.sfd4-age-modal-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}

/* Header */
.sfd4-header{position:sticky;top:0;z-index:1000;background:rgba(28,10,13,0.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--card-border);padding:1rem 0;}
.sfd4-header-inner{display:flex;align-items:center;justify-content:space-between;}
.sfd4-logo{font-size:1.5rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:0.5rem;}
.sfd4-nav{display:flex;align-items:center;gap:2rem;}
.sfd4-nav a{transition:var(--transition);position:relative;}
.sfd4-nav a:hover{color:var(--primary);}
.sfd4-mobile-toggle{display:none;font-size:1.5rem;color:var(--primary);}
@media(max-width:768px){
.sfd4-nav{position:fixed;top:0;right:-100%;width:80%;max-width:300px;height:100vh;background:rgba(28,10,13,0.98);flex-direction:column;padding:4rem 2rem;transition:var(--transition);border-left:1px solid var(--card-border);}
.sfd4-nav.sfd4-active{right:0;}
.sfd4-mobile-toggle{display:block;}
}

/* Hero */
.sfd4-hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;background-image:url('https://images.unsplash.com/photo-1596838132731-3301c3fd4317?w=1600');background-size:cover;background-position:center;text-align:center;padding:4rem 1.5rem;}
.sfd4-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,10,13,0.8) 0%,rgba(45,18,21,0.9) 100%);z-index:1;}
.sfd4-hero-content{position:relative;z-index:2;max-width:900px;}
.sfd4-hero h1{text-shadow:4px 4px 0 var(--secondary),8px 8px 20px var(--primary-glow);margin-bottom:1rem;}
.sfd4-hero-subtitle{font-size:1.25rem;margin-bottom:2rem;opacity:0.9;}
.sfd4-hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem;}
.sfd4-hero-disclaimer{font-size:0.875rem;opacity:0.7;}

/* Buttons */
.sfd4-btn{padding:1rem 2rem;border-radius:12px;font-weight:600;transition:var(--transition);display:inline-flex;align-items:center;gap:0.5rem;position:relative;}
.sfd4-btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 0 var(--secondary),0 12px 30px var(--primary-glow);}
.sfd4-btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 0 var(--secondary),0 16px 40px var(--primary-glow);}
.sfd4-btn-primary:active{transform:translateY(2px);box-shadow:0 2px 0 var(--secondary),0 8px 20px var(--primary-glow);}
.sfd4-btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary);box-shadow:0 6px 0 var(--secondary),0 12px 30px var(--primary-glow);}
.sfd4-btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px) scale(1.02);}

/* Sections */
.sfd4-section{padding:5rem 0;position:relative;}
.sfd4-section-header{text-align:center;margin-bottom:3rem;}
.sfd4-section-header h2{margin-bottom:0.5rem;text-shadow:3px 3px 0 var(--secondary),6px 6px 20px var(--primary-glow);}
.sfd4-section-subtitle{opacity:0.8;max-width:700px;margin:0 auto;}

/* Games Grid */
.sfd4-games-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;}
.sfd4-game-card{background:var(--card-bg);border:2px solid var(--card-border);border-radius:16px;overflow:hidden;transition:var(--transition);box-shadow:0 8px 24px rgba(0,0,0,0.4),0 4px 0 var(--secondary);}
.sfd4-game-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 16px 40px var(--primary-glow),0 8px 0 var(--secondary);}
.sfd4-game-image-wrap{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--primary),var(--secondary));}
.sfd4-game-image-wrap img{width:100%;height:100%;object-fit:cover;}
.sfd4-game-image-fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:1.5rem;font-weight:700;color:#fff;text-align:center;padding:1rem;}
.sfd4-game-meta{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem 0.5rem;}
.sfd4-game-category{font-size:0.875rem;color:var(--accent);font-weight:600;}
.sfd4-game-card h3{padding:0 1.5rem 1rem;color:#fff;}
.sfd4-game-card button{width:calc(100% - 3rem);margin:0 1.5rem 1.5rem;padding:0.75rem;background:transparent;border:2px solid var(--primary);color:var(--primary);border-radius:8px;font-weight:600;transition:var(--transition);}
.sfd4-game-card button:hover{background:var(--primary);color:#fff;box-shadow:0 4px 12px var(--primary-glow);}

/* Game Modal */
.sfd4-game-modal{position:fixed;inset:0;background:rgba(0,0,0,0.95);display:flex;align-items:center;justify-content:center;z-index:9998;opacity:0;pointer-events:none;transition:var(--transition);padding:1rem;}
.sfd4-game-modal.sfd4-active{opacity:1;pointer-events:all;}
.sfd4-modal-content{background:var(--card-bg);border:2px solid var(--card-border);border-radius:16px;width:100%;max-width:1200px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px var(--primary-glow);}
.sfd4-modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid var(--card-border);gap:1rem;}
.sfd4-modal-header h2{margin:0;font-size:1.5rem;}
.sfd4-close-btn{font-size:2rem;color:var(--primary);line-height:1;transition:var(--transition);padding:0.5rem;}
.sfd4-close-btn:hover{transform:scale(1.2);color:var(--accent);}
.sfd4-modal-content iframe{flex:1;width:100%;min-height:500px;border:none;}
.sfd4-demo-unavailable{flex:1;display:flex;align-items:center;justify-content:center;min-height:400px;color:var(--accent);font-size:1.25rem;}

/* How It Works */
.sfd4-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;}
.sfd4-step{background:var(--card-bg);border:2px solid var(--card-border);border-radius:16px;padding:2rem;text-align:center;box-shadow:0 8px 24px rgba(0,0,0,0.4),0 4px 0 var(--secondary);transition:var(--transition);}
.sfd4-step:hover{transform:translateY(-4px);box-shadow:0 12px 32px var(--primary-glow),0 8px 0 var(--secondary);}
.sfd4-step-icon{font-size:3rem;margin-bottom:1rem;}
.sfd4-step h3{margin-bottom:0.5rem;color:var(--primary);}

/* Features */
.sfd4-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;}
.sfd4-feature{background:var(--card-bg);border:2px solid var(--card-border);border-radius:16px;padding:2rem;backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(0,0,0,0.4),0 4px 0 var(--secondary);transition:var(--transition);}
.sfd4-feature:hover{transform:translateY(-4px);box-shadow:0 12px 32px var(--primary-glow),0 8px 0 var(--secondary);}
.sfd4-feature-icon{font-size:2.5rem;margin-bottom:1rem;}
.sfd4-feature h3{margin-bottom:0.5rem;color:var(--primary);}

/* CTA Band */
.sfd4-cta-band{background:linear-gradient(135deg,rgba(244,63,94,0.2),rgba(225,29,72,0.2));border-top:2px solid var(--card-border);border-bottom:2px solid var(--card-border);padding:3rem 0;text-align:center;}
.sfd4-cta-band h2{margin-bottom:1rem;}

/* Trust Block */
.sfd4-trust{background:var(--card-bg);border:2px solid var(--card-border);border-radius:16px;padding:3rem;text-align:center;backdrop-filter:blur(8px);box-shadow:0 8px 24px rgba(0,0,0,0.4);}
.sfd4-trust ul{list-style:none;display:flex;flex-direction:column;gap:1rem;max-width:600px;margin:1rem auto;}
.sfd4-trust li{display:flex;align-items:center;gap:0.5rem;justify-content:center;}
.sfd4-trust li::before{content:'✓';color:var(--primary);font-weight:700;font-size:1.25rem;}

/* Responsible */
.sfd4-responsible{background:rgba(244,63,94,0.1);border:2px solid var(--primary);border-radius:16px;padding:4rem 2rem;text-align:center;}
.sfd4-responsible-icon{font-size:5rem;margin-bottom:1rem;}
.sfd4-responsible h2{color:var(--primary);margin-bottom:1rem;}
.sfd4-responsible-links{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem;}

/* FAQ */
.sfd4-faq-list{max-width:800px;margin:0 auto;}
.sfd4-faq-item{background:var(--card-bg);border:2px solid var(--card-border);border-radius:12px;margin-bottom:1rem;overflow:hidden;box-shadow:0 4px 12px rgba(0,0,0,0.4);}
.sfd4-faq-question{padding:1.5rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;transition:var(--transition);color:var(--primary);}
.sfd4-faq-question:hover{background:rgba(244,63,94,0.1);}
.sfd4-faq-answer{padding:0 1.5rem;max-height:0;overflow:hidden;transition:var(--transition);opacity:0;}
.sfd4-faq-answer.sfd4-active{padding:0 1.5rem 1.5rem;max-height:500px;opacity:1;}
.sfd4-faq-toggle{font-size:1.5rem;transition:var(--transition);}
.sfd4-faq-item.sfd4-active .sfd4-faq-toggle{transform:rotate(180deg);}

/* Footer */
.sfd4-footer{background:rgba(28,10,13,0.95);border-top:2px solid var(--card-border);padding:3rem 0 1rem;margin-top:5rem;}
.sfd4-footer-content{display:grid;gap:2rem;margin-bottom:2rem;text-align:center;}
.sfd4-footer-logo{font-size:2rem;font-weight:700;color:var(--primary);margin-bottom:1rem;}
.sfd4-footer-badge{font-size:3rem;margin:1rem 0;}
.sfd4-footer-disclaimer{max-width:600px;margin:1rem auto;opacity:0.8;font-size:0.875rem;}
.sfd4-footer-links{display:flex;gap:1.5rem;justify-content:center;flex-wrap:wrap;margin:1rem 0;}
.sfd4-footer-links a:hover{color:var(--primary);}
.sfd4-footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--card-border);opacity:0.6;font-size:0.875rem;}

/* Decorations */
.sfd4-bg-grid{position:fixed;inset:0;background-image:linear-gradient(rgba(244,63,94,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(244,63,94,0.03) 1px,transparent 1px);background-size:50px 50px;pointer-events:none;z-index:0;}
.sfd4-floating-orb{position:fixed;border-radius:50%;filter:blur(60px);opacity:0.15;pointer-events:none;z-index:0;animation:sfd4-float 20s infinite ease-in-out;}
.sfd4-orb-1{width:300px;height:300px;background:var(--primary);top:10%;left:5%;animation-delay:0s;}
.sfd4-orb-2{width:400px;height:400px;background:var(--accent);bottom:20%;right:10%;animation-delay:10s;}
@keyframes sfd4-float{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(30px,30px) scale(1.1);}}

/* Responsive */
@media(max-width:640px){
.sfd4-hero-cta{flex-direction:column;width:100%;}
.sfd4-btn{width:100%;}
.sfd4-games-grid,.sfd4-steps,.sfd4-features{grid-template-columns:1fr;}
}