.duel{--duel-card-w: clamp(132px, 15vw, 212px);position:relative;z-index:10;width:100%;display:grid;justify-items:center;gap:18px}.duel__stage{position:relative;display:flex;align-items:center;justify-content:center;gap:calc(var(--duel-card-w) * .16);padding:24px 12px;background:none;border:0;cursor:pointer;perspective:1400px;border-radius:24px}.duel__stage:focus-visible{outline:3px solid var(--accent-gold);outline-offset:6px}.duel-card{position:relative;width:var(--duel-card-w);aspect-ratio:442 / 600;will-change:transform}.duel-card__flip{position:relative;width:100%;height:100%;transform-style:preserve-3d}.duel-card__face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:5%/3.7%;overflow:hidden;box-shadow:0 14px 22px #1410083d;transform:translateZ(0)}.duel-card__face img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}.duel-card__face--back{transform:rotateY(180deg)}.duel-card__flip.is-face-up .duel-card__face--back,.duel-card__flip.is-face-down .duel-card__face--front{visibility:hidden;transition:visibility 0s .4s}.duel-card__flip .duel-card__face{transition:visibility 0s .4s}.duel-card__burst{position:absolute;inset:-30%;border-radius:50%;background:radial-gradient(circle,#ffe9a3d9,#f3d67d59,#f3d67d00 70%);opacity:0;transform:scale(.4);pointer-events:none;z-index:-1}.duel-card.is-winner .duel-card__burst{animation:duel-burst 1.3s cubic-bezier(.16,1,.3,1) .15s both}@keyframes duel-burst{0%{opacity:0;transform:scale(.4)}30%{opacity:1;transform:scale(1.05)}to{opacity:0;transform:scale(1.35)}}.duel-card__sparks{position:absolute;left:50%;top:50%;width:0;height:0;pointer-events:none;z-index:5}.duel-card__sparks i{--i: 0;position:absolute;left:-4px;top:-4px;width:8px;height:8px;border-radius:50%;background:#ffe9a3;box-shadow:0 0 10px 2px #ffe9a3e6;transform:rotate(calc(var(--i) * 45deg)) translateY(-10px) scale(0);animation:duel-spark 1s cubic-bezier(.16,1,.3,1) calc(.2s + var(--i) * .03s) both}@keyframes duel-spark{0%{opacity:0;transform:rotate(calc(var(--i) * 45deg)) translateY(-10px) scale(0)}25%{opacity:1;transform:rotate(calc(var(--i) * 45deg)) translateY(-70px) scale(1.2)}to{opacity:0;transform:rotate(calc(var(--i) * 45deg)) translateY(-120px) scale(.3)}}.duel-card.is-loser .duel-card__face{box-shadow:0 8px 12px #1410082e}.duel-card.is-loser .duel-card__face img{filter:brightness(.92)}.duel-card__stat{position:absolute;left:var(--l);top:76.5%;width:19.2%;height:14.5%;border-radius:10%;box-shadow:0 0 #c59b2700;opacity:0;transition:opacity .4s ease,box-shadow .5s ease,background-color .5s ease;pointer-events:none}.duel-card__stat.is-on{opacity:1;box-shadow:0 0 0 2px #f3d67d,0 0 18px 4px #f3d67dbf;background:#f3d67d1f}.duel-card__stat.is-win{box-shadow:0 0 0 3px #ffe9a3,0 0 26px 8px #ffe9a3d9;background:#ffe9a333}.duel__vs{position:relative;z-index:4;display:grid;place-items:center;width:46px;height:46px;margin:0 -8px;border-radius:50%;background:linear-gradient(135deg,#c59b27,#8e6b10);color:#fffbe8;font-family:var(--font-display);font-weight:800;font-size:.95rem;letter-spacing:.04em;box-shadow:0 10px 24px #8e6b1066}.duel__caption{display:grid;justify-items:center;gap:4px;min-height:74px;text-align:center}.duel__pick{display:inline-flex;align-items:center;gap:14px;margin:0;font-size:.95rem;color:var(--text-secondary)}.duel__stat-name{font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:.78rem;color:var(--accent-gold-dark)}.duel__values{display:inline-flex;align-items:baseline;gap:10px;font-family:var(--font-display);font-size:1.35rem;font-weight:800;color:var(--text-primary);font-variant-numeric:tabular-nums}.duel__values strong{transition:color .4s ease,transform .4s ease;display:inline-block}.duel__values strong.is-win{color:var(--accent-gold-dark);transform:scale(1.12)}.duel__x{font-size:.9rem;color:var(--text-secondary)}.duel__result{margin:0;font-size:1.1rem;color:var(--text-primary)}.duel__result strong{font-family:var(--font-display);font-weight:800;font-size:1.3rem;color:var(--accent-gold-dark)}.duel__hint{display:block;margin-top:2px;font-size:.8rem;color:var(--text-secondary)}@media(max-width:992px){.duel{--duel-card-w: clamp(124px, 34vw, 190px)}}@media(prefers-reduced-motion:reduce){.duel-card,.duel-card__flip,.duel__vs{transition:none!important}.duel-card__burst,.duel-card__sparks i{animation:none!important;opacity:0}}.hero-section{min-height:calc(100vh - var(--nav-height));display:flex;align-items:center;position:relative;overflow:hidden}.hero-content{flex:1;z-index:10;max-width:600px}.hero-actions{display:flex;gap:16px}.btn-primary{padding:16px 32px;background:linear-gradient(135deg,var(--accent-gold),var(--accent-gold-dark));color:#000;font-weight:800;font-size:1.1rem;border-radius:12px;box-shadow:0 4px 20px #d4af3766;transition:all .3s ease;position:relative;overflow:hidden}.btn-primary:before{content:"";position:absolute;top:0;left:0;width:25%;height:100%;background:#fff6;box-shadow:0 0 20px #fff6;transform:skew(-20deg) translate(-300%);transition:transform .6s ease}.btn-primary:hover:before{transform:skew(-20deg) translate(500%)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px #d4af3780}.btn-secondary{padding:16px 32px;background:var(--glass-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--glass-border);color:var(--text-primary);font-weight:700;font-size:1.1rem;border-radius:12px;transition:all .3s ease}.btn-secondary:hover{background:#ffffff1a}.hero-visual{flex:1;position:relative;height:600px;min-width:0;display:flex;justify-content:center;align-items:center;perspective:1200px}.hero-glow{position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(212,175,55,.2) 0%,transparent 70%);top:50%;left:50%;transform:translate(-50%,-50%);z-index:0;filter:blur(40px)}.cards-stage{position:relative;width:250px;height:339px;transform-style:preserve-3d;z-index:10;transition:transform .1s ease-out}.hero-card{position:absolute;width:100%;height:100%;border-radius:20px;display:flex;justify-content:center;align-items:center;overflow:visible!important;animation:levitate 6s ease-in-out infinite;backface-visibility:hidden;background:transparent}.hero-card-img{width:96%!important;height:96%!important;object-fit:contain!important;filter:drop-shadow(0 20px 50px rgba(0,0,0,.25))}.card-pos-0{transform:translateZ(100px) rotate(5deg) translate(40px) translateY(20px);z-index:5;opacity:1}.card-pos-0 .hero-card-img{filter:drop-shadow(0 30px 60px rgba(0,0,0,.4)) drop-shadow(0 0 20px rgba(197,155,39,.3))}.card-pos-1{transform:translateZ(20px) rotate(15deg) translate(120px) translateY(-20px) scale(.9);z-index:4;opacity:.8}.card-pos-2{transform:translateZ(-50px) rotate(5deg) translate(60px) translateY(-50px) scale(.8);z-index:1;opacity:0;pointer-events:none}.card-pos-3{transform:translateZ(-50px) rotate(-5deg) translate(-60px) translateY(-50px) scale(.8);z-index:1;opacity:0;pointer-events:none}.card-pos-4{transform:translateZ(50px) rotate(-10deg) translate(-80px) translateY(0) scale(.9);z-index:3;opacity:.8}.card-mock-content{position:relative;z-index:10;filter:drop-shadow(0 4px 8px rgba(0,0,0,.4))}.floating-particles{position:absolute;inset:-100px;pointer-events:none;z-index:0}.particle{position:absolute;width:4px;height:4px;background:var(--accent-gold);border-radius:50%;box-shadow:0 0 10px var(--accent-gold)}.p1{top:20%;left:10%;animation:levitate 4s ease-in-out infinite}.p2{top:60%;right:20%;animation:levitate 5s ease-in-out infinite 1s}.p3{bottom:10%;left:30%;animation:levitate 6s ease-in-out infinite 2s}@media(max-width:992px){.hero-section{flex-direction:column;text-align:center;padding-top:100px;padding-bottom:40px}.hero-actions{justify-content:center}.hero-visual{margin-top:40px;height:400px;width:100%}}@media(max-width:768px){.btn-primary,.btn-secondary{padding:12px 24px;font-size:1rem}.hero-actions{flex-direction:column;gap:12px}.cards-stage{transform:scale(.85)}}@media(max-width:480px){.cards-stage{transform:scale(.7)}.hero-visual{height:320px}}.hero-visual--duel{height:auto;min-height:520px;padding:20px 0}@media(max-width:992px){.hero-visual--duel{min-height:0;margin-top:24px}}.testimonials-section{padding:100px 5%;position:relative;z-index:5;background:linear-gradient(180deg,transparent,rgba(255,255,255,.4),transparent)}.testimonials-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px;max-width:1200px;margin:0 auto}.testimonial-card{padding:30px;border-radius:20px;display:flex;flex-direction:column;justify-content:space-between;transition:transform .4s ease,box-shadow .4s ease;background:var(--glass-bg)}.testimonial-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px #00000014,0 0 20px #d4af3726}.stars{margin-bottom:16px;font-size:1.2rem;letter-spacing:2px}.testimonial-text{font-size:1.1rem;line-height:1.7;color:var(--text-primary);font-style:italic;margin-bottom:30px;flex:1}.testimonial-author-box{display:flex;align-items:center;gap:16px;border-top:1px solid rgba(0,0,0,.05);padding-top:20px}.author-avatar{width:50px;height:50px;border-radius:50%;background:#d4af371a;display:flex;justify-content:center;align-items:center;font-size:1.5rem;border:2px solid var(--accent-gold)}.author-name{font-weight:700;color:var(--text-primary);margin-bottom:4px}.author-role{font-size:.85rem;color:var(--text-secondary)}.rs{position:sticky;top:calc(var(--nav-height) + 24px);height:calc(100svh - var(--nav-height) - 48px);display:grid;place-items:center}.rs-stage{position:relative;width:100%;max-width:460px;height:100%;max-height:560px;display:grid;grid-template-rows:1fr auto;perspective:1400px}.rs-stage--duel{grid-template-rows:1fr 1fr auto}.rs-foe,.rs-hand,.rs-quartet{position:relative;display:grid;place-items:center}.rs-card{position:absolute;width:var(--rs-card-w, 132px);aspect-ratio:442 / 600;will-change:transform}.rs-card__flip{position:relative;width:100%;height:100%;transform-style:preserve-3d}.rs-card__face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:5%/3.7%;overflow:hidden;box-shadow:0 14px 22px #14100842;transform:translateZ(0)}.rs-card__face img{display:block;width:100%;height:100%;object-fit:cover;border-radius:inherit}.rs-card__face--back{transform:rotateY(180deg) translateZ(0)}.rs-card__ring{position:absolute;left:var(--l);top:76.5%;width:19.2%;height:14.5%;border-radius:10%;box-shadow:0 0 0 2px #f3d67d,0 0 18px 4px #f3d67dcc;background:#f3d67d24;pointer-events:none}.rs-tag{position:absolute;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-gold-dark);background:#fffdf8d9;padding:4px 10px;border-radius:999px;border:1px solid rgba(197,155,39,.35)}.rs-tag--foe{top:0;right:0}.rs-tag--hand{bottom:0;left:0}.rs-quartet__glow{position:absolute;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,#f3d67d8c,#f3d67d00 70%);filter:blur(10px);pointer-events:none}.rs-captions{position:relative;display:grid;min-height:3.2em;text-align:center;font-size:.98rem;color:var(--text-secondary)}.rs-captions p{grid-area:1 / 1;margin:0}.rs-captions b{color:var(--accent-gold-dark);font-weight:800}.rules-layout{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(24px,4vw,64px);align-items:start;max-width:1200px;margin:0 auto}.rules-layout .timeline-container{margin-top:0;max-width:none}.rules-layout .timeline-line{left:20px}.rules-layout .timeline-item.left,.rules-layout .timeline-item.right{width:100%;left:0;padding-left:60px;padding-right:0;text-align:left}.rules-layout .timeline-item.left .timeline-dot,.rules-layout .timeline-item.right .timeline-dot{left:10px;right:auto}.rules-layout .timeline-item.left .rule-number{right:20px;left:auto}@media(max-width:960px){.rules-layout{grid-template-columns:1fr;gap:12px}.rs{top:calc(var(--nav-height) + 8px);height:48svh;z-index:3;width:100vw;margin-left:calc(50% - 50vw);background:var(--bg-color);box-shadow:0 16px 20px -18px #1218264d;--rs-card-w: 84px;overflow:hidden}.rs-stage{max-height:100%;padding:6px 12px 8px;gap:0}.rs-stage--duel{grid-template-rows:1.15fr 1fr auto}.rs-foe,.rs-hand,.rs-quartet{transform:scale(.66);transform-origin:50% 50%}.rs-tag{display:none}.rs-captions{font-size:.86rem;min-height:2.6em;padding:0 8px}}@media(prefers-reduced-motion:reduce){.rs{position:relative;top:auto;height:auto;min-height:420px}.rs-card{transform:none!important}}.how-to-play-section{padding:100px 5%;position:relative;z-index:5}.rules-toggle-container{display:flex;justify-content:center;margin-bottom:40px}.rules-toggle{display:flex;background:#ffffff80;border:1px solid rgba(0,0,0,.05);border-radius:30px;padding:6px;box-shadow:inset 0 2px 5px #0000000d}.toggle-btn{padding:10px 24px;font-size:1rem;font-weight:600;color:var(--text-secondary);border-radius:24px;transition:all .3s ease}.toggle-btn:hover{color:var(--text-primary)}.toggle-btn.active{background:#fff;color:var(--text-primary);box-shadow:0 4px 10px #00000014}.timeline-container{position:relative;max-width:800px;margin:60px auto 0;padding:20px 0}.timeline-line{position:absolute;left:50%;top:0;bottom:0;width:4px;background:linear-gradient(180deg,transparent,var(--accent-gold),transparent);transform:translate(-50%);border-radius:2px}.timeline-item{position:relative;width:50%;margin-bottom:60px;opacity:0;animation:fadeIn .8s ease forwards}.timeline-item.left{left:0;padding-right:50px;text-align:right}.timeline-item.right{left:50%;padding-left:50px;text-align:left}.timeline-dot{position:absolute;top:20px;width:20px;height:20px;border-radius:50%;background:#fff;border:4px solid var(--accent-gold);box-shadow:0 0 15px #d4af3780;z-index:2}.timeline-item.left .timeline-dot{right:-10px}.timeline-item.right .timeline-dot{left:-10px}.timeline-content{position:relative;padding:30px;border-radius:20px;background:var(--glass-bg);border:1px solid var(--glass-border);transition:transform .3s ease,box-shadow .3s ease}.timeline-content:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a,0 0 15px #d4af3733}.rule-number{position:absolute;top:-20px;font-size:4rem;font-weight:800;color:#d4af371a;z-index:0;line-height:1}.timeline-item.left .rule-number{left:20px}.timeline-item.right .rule-number{right:20px}.rule-icon{font-size:2.5rem;margin-bottom:16px;position:relative;z-index:1;display:inline-block;filter:drop-shadow(0 4px 8px rgba(0,0,0,.1))}.timeline-content h3{font-size:1.4rem;color:var(--text-primary);margin-bottom:12px;position:relative;z-index:1}.timeline-content p{color:var(--text-secondary);line-height:1.6;font-size:1rem;position:relative;z-index:1}@media(max-width:768px){.timeline-line{left:20px}.timeline-item.left,.timeline-item.right{width:100%;left:0;padding-left:60px;padding-right:0;text-align:left}.timeline-item.left .timeline-dot,.timeline-item.right .timeline-dot{left:10px;right:auto}.timeline-item.left .rule-number{right:20px;left:auto}}@media(max-width:480px){.how-to-play-section{padding:60px 20px}.timeline-content{padding:24px 20px}.rule-number{font-size:3rem;top:-15px}.timeline-item{margin-bottom:40px}.how-to-play-section .container h2{font-size:2rem}}