:root{--ink: #0a1020;--ink-2: #0e1628;--ivory: #f5f0e8;--gold: #c4a265;--gold-light: #d9c39a;--stone: #8b8d8e;--display: "Playfair Display", serif;--han: "Noto Serif SC", serif;--sans: "Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:radial-gradient(120% 80% at 50% -10%,#14203a 0%,var(--ink) 60%);color:var(--ivory);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}::-moz-selection{background:var(--gold);color:var(--ink)}::selection{background:var(--gold);color:var(--ink)}.grain:after{content:"";position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' 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em{font-style:italic;color:var(--gold-light)}.deck{flex:1;display:flex;gap:clamp(.7rem,1.2vw,1.1rem);min-height:clamp(26rem,62vh,40rem);perspective:2200px}.card-shell{position:relative;flex:1 1 0;perspective:2000px;cursor:pointer;opacity:0;transition:flex-grow .7s cubic-bezier(.2,.78,.18,1);animation:deal .9s cubic-bezier(.2,.78,.18,1) forwards;outline:none}.card-shell:nth-child(1){animation-delay:.3s}.card-shell:nth-child(2){animation-delay:.42s}.card-shell:nth-child(3){animation-delay:.54s}.card-shell:nth-child(4){animation-delay:.66s}.card{position:absolute;inset:0;border-radius:1.4rem;transform-style:preserve-3d;transition:transform .85s cubic-bezier(.2,.78,.18,1);will-change:transform;backface-visibility:hidden}.card-shell:focus-visible .card{outline:2px solid var(--gold-light);outline-offset:4px;border-radius:1.4rem}.face{position:absolute;inset:0;border-radius:1.4rem;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:0 28px 70px -34px #000000d9;border:1px solid rgba(245,240,232,.08);transform:translateZ(.01px)}.front{display:flex;flex-direction:column;justify-content:space-between;padding:clamp(1.3rem,1.8vw,1.9rem)}.front .bg{position:absolute;inset:0;z-index:-2;background-size:cover;transform:scale(1.04);filter:saturate(1) brightness(.92);transition:transform 1.1s ease,filter .6s ease}.front:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#080c182e,#080c1800 32%,#080c1873,#080c18db)}.card-shell:hover .front .bg{transform:scale(1.12);filter:saturate(1.05) brightness(1)}.front .top{display:flex;align-items:center;justify-content:space-between}.front .num{font-family:var(--display);font-style:italic;font-size:.95rem;color:#f5f0e899}.front .en{font-size:.62rem;letter-spacing:.3em;text-transform:uppercase;color:var(--gold-light)}.front .word{font-family:var(--han);font-weight:700;font-size:clamp(2.4rem,4.6vw,3.6rem);line-height:1;letter-spacing:.06em;margin-bottom:.7rem;text-shadow:0 4px 30px rgba(0,0,0,.5)}.front .lead{font-family:var(--han);font-weight:300;font-size:clamp(.86rem,1.05vw,.98rem);line-height:1.6;color:#f5f0e8d1;max-width:12rem}.front .hint{margin-top:1.1rem;display:inline-flex;align-items:center;gap:.5rem;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--stone);opacity:.85}.front .hint .dot{width:.4rem;height:.4rem;border-radius:50%;background:var(--gold)}.back{transform:rotateY(180deg) translateZ(.01px);background:linear-gradient(180deg,#0a10209e,#0a1020eb),var(--ink-2);display:flex;flex-direction:column;justify-content:center;padding:clamp(1.8rem,2.6vw,2.8rem)}.back .bg{position:absolute;inset:0;z-index:-2;background-size:cover;filter:saturate(.95) brightness(.6)}.back .en{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--gold-light);margin-bottom:1rem}.back .word{font-family:var(--han);font-weight:600;font-size:1.6rem;letter-spacing:.05em;margin-bottom:1.2rem}.back .rule{width:2.6rem;height:1px;background:var(--gold);margin-bottom:1.2rem}.back .body{font-family:var(--han);font-weight:300;font-size:clamp(1rem,1.4vw,1.22rem);line-height:1.85;color:var(--ivory);max-width:26rem}.back .lead{font-family:var(--display);font-style:italic;font-size:clamp(1.05rem,1.5vw,1.35rem);color:var(--gold-light);margin-top:1.3rem}@media(hover:hover)and (min-width:821px){.deck:hover .card-shell{flex-grow:.6}.deck:hover .card-shell:hover{flex-grow:3.4;z-index:5}.card-shell:hover .card{transform:rotateY(180deg)}.deck:hover .card-shell:not(:hover) .face{filter:brightness(.82) saturate(.9)}}@keyframes fade{to{opacity:1}}@keyframes rise{0%{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}@keyframes deal{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.footnote{margin-top:clamp(1.2rem,2.4vw,2rem);text-align:center;font-family:var(--display);font-style:italic;font-size:clamp(.92rem,1.4vw,1.15rem);color:#f5f0e899;opacity:0;animation:fade 1s .9s forwards}@media(max-width:820px){.deck{flex-direction:column;min-height:0;gap:.9rem}.card-shell{flex:0 0 auto;min-height:10rem;transition:min-height .5s ease}.card-shell.flipped{min-height:15rem}.card-shell.flipped .card{transform:rotateY(180deg)}.front .word{font-size:2.6rem}}