:root{--font-display:"Playfair Display",Georgia,"Times New Roman",serif;--font-body:"DM Sans","Segoe UI",system-ui,sans-serif;--font-mono:"DM Mono","SF Mono",monospace;--amber-50:#FFFBEB;--amber-100:#FEF3C7;--amber-200:#FDE68A;--amber-300:#FCD34D;--amber-400:#FBBF24;--amber-500:#F59E0B;--amber-600:#D97706;--amber-700:#B45309;--amber-800:#92400E;--amber-900:#78350F;--stone-50:#FAFAF9;--stone-100:#F5F5F4;--stone-200:#E7E5E4;--stone-300:#D6D3D1;--stone-400:#A8A29E;--stone-500:#78716C;--stone-600:#57534E;--stone-700:#44403C;--stone-800:#292524;--stone-900:#1C1917;--stone-950:#0C0A09;--correct:#22C55E;--correct-bg:#F0FDF4;--correct-border:#bbf7d0;--correct-dark:#166534;--incorrect:#EF4444;--incorrect-bg:#FEF2F2;--incorrect-border:#fecaca;--incorrect-dark:#991B1B;--bg-top:#FFFFFF;--bg-bottom:#FFFFFF;--panel:#FFFFFF;--panel-strong:#FFFFFF;--text-main:var(--stone-900);--text-muted:var(--stone-500);--border:var(--stone-200);--accent:var(--amber-600);--accent-soft:var(--amber-50);--danger:var(--incorrect);--warning:var(--amber-500);--good:var(--correct);--radius:4px;--radius-card:6px;--radius-container:8px}*{box-sizing:border-box}body,html{margin:0;min-height:100%;color:var(--text-main);font-family:var(--font-body);background:#FFFFFF;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.45rem,2.6vw,2.3rem);letter-spacing:-.02em;line-height:1.15;margin-top:.3rem}h1,h2{font-family:var(--font-display);font-weight:700}h2{font-size:1.25rem;letter-spacing:-.01em}h3{font-family:var(--font-display);font-weight:700}.warning-banner{margin-top:.9rem;border:1px solid var(--amber-200);background:var(--amber-50);border-radius:var(--radius);padding:.9rem 1rem;color:var(--amber-800)}.error,.notice{margin-top:.8rem;border-radius:var(--radius);padding:.7rem .8rem;border:1px solid}.notice{border-color:var(--correct-border);background:var(--correct-bg);color:var(--correct-dark)}.error{border-color:var(--incorrect-border);background:var(--incorrect-bg);color:var(--incorrect-dark)}.danger-button,.primary-button,.primary-link,.secondary-button{border:0;border-radius:var(--radius);font-family:var(--font-body);font-size:.94rem;font-weight:600;padding:.6rem 1rem;cursor:pointer;text-decoration:none;transition:all .15s ease}.primary-button,.primary-link{color:#ffffff;background:var(--stone-900)}.primary-button:hover,.primary-link:hover{background:var(--stone-800)}.secondary-button{color:var(--amber-700);background:var(--amber-50)}.secondary-button:hover{background:var(--amber-100)}.danger-button{color:#ffffff;background:var(--danger)}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:var(--radius);background:var(--stone-900);color:#fff;text-decoration:none;font-family:var(--font-body);font-size:.92rem;font-weight:600;padding:.56rem .82rem;cursor:pointer;transition:all .15s ease}.button:hover{background:var(--stone-800)}.button:disabled{opacity:.4;cursor:not-allowed}.ghost-button{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--stone-200);border-radius:var(--radius);background:#fff;color:var(--stone-700);text-decoration:none;font-family:var(--font-body);font-size:.92rem;font-weight:600;padding:.52rem .82rem;cursor:pointer;transition:all .15s ease}.ghost-button:hover{border-color:var(--stone-300);background:var(--stone-50)}.btn-primary{display:block;width:100%;padding:14px 24px;font-family:var(--font-body);font-size:15px;font-weight:600;color:#fff;background:var(--stone-900);border:none;border-radius:var(--radius);cursor:pointer;text-align:center;text-decoration:none;transition:background .15s ease}.btn-primary:hover{background:var(--stone-800)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.btn-primary-lg{display:inline-block;padding:14px 40px;font-family:var(--font-body);font-size:16px;font-weight:600;color:#fff;background:var(--stone-900);border:none;border-radius:var(--radius);cursor:pointer;text-align:center;text-decoration:none;transition:all .15s ease}.btn-primary-lg:hover{background:var(--stone-800)}.btn-results{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:16px 24px;font-family:var(--font-body);font-size:16px;font-weight:600;color:#fff;background:var(--amber-600);border:none;border-radius:var(--radius);cursor:pointer;transition:background .15s ease}.btn-results:hover{background:var(--amber-700)}.btn-results:disabled{opacity:.4;cursor:not-allowed}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:#FFFFFF}.site-header__inner{padding:0 32px;height:56px;display:flex;align-items:center;justify-content:space-between}.logo-link{font-family:var(--font-display);font-size:20px;font-weight:700;color:var(--stone-900);text-decoration:none;letter-spacing:-.02em}.logo-fm{color:var(--amber-600)}.site-nav{display:flex;align-items:center;gap:4px;list-style:none;background:var(--stone-900);padding:4px 6px;box-shadow:0 2px 12px rgba(0,0,0,.08),0 0 0 1px rgba(0,0,0,.04)}.nav-link,.site-nav{border-radius:9999px}.nav-link{font-family:var(--font-body);font-size:13px;font-weight:500;color:var(--stone-400);text-decoration:none;padding:8px 16px;position:relative;transition:color .2s ease,background .2s ease}.nav-link:hover{color:#FFFFFF;background:rgba(255,255,255,.08)}.nav-link--active{color:#FFFFFF;background:rgba(255,255,255,.15)}.nav-link--active:after{display:none}.site-auth{display:flex;align-items:center;gap:.6rem}.site-auth__name{font-size:.88rem;color:var(--text-muted)}.ghost-link{color:var(--stone-700);text-decoration:none;font-size:13px;font-weight:600;padding:7px 20px;border:1px solid var(--stone-200);border-radius:var(--radius);transition:all .15s}.ghost-link:hover{border-color:var(--stone-300);background:var(--stone-50)}.ghost-link--active{border-color:var(--stone-900);background:var(--stone-900);color:#fff}.site-main{width:min(1200px,100%);margin:0 auto;padding:1.05rem 32px 2rem}.page-shell{display:grid;grid-gap:.95rem;gap:.95rem}.page-kicker{font-family:var(--font-mono);color:var(--amber-600);text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:500}.page-title{font-family:var(--font-display);font-size:clamp(1.45rem,2.6vw,2.3rem);font-weight:700;letter-spacing:-.02em;margin:.2rem 0 .35rem}.page-subtitle{color:var(--text-muted);max-width:72ch}.hero{margin-left:calc(-50vw + 50%);margin-right:calc(-50vw + 50%);padding:88px 32px 140px;background:var(--amber-50);border-bottom:1px solid var(--amber-200);text-align:center;position:relative}.hero-inner{max-width:680px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:var(--amber-700);margin-bottom:36px}.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--amber-500)}.hero h1{font-family:var(--font-display);font-size:clamp(2.5rem,5vw,4rem);font-weight:700;color:var(--stone-900);letter-spacing:-.03em;line-height:1;margin-bottom:24px}.hero h1 em{font-style:italic;color:var(--amber-700)}.hero-subtitle{font-size:17px;color:var(--stone-500);max-width:400px;margin:0 auto 40px;line-height:1.6}.hero-cta-row{display:flex;align-items:center;justify-content:center;gap:16px}.hero-secondary{font-size:14px;font-weight:500;color:var(--stone-500);text-decoration:none;padding:14px 20px;border-radius:var(--radius);transition:all .15s}.hero-secondary:hover{color:var(--stone-700);background:rgba(255,255,255,.6)}.daily-preview-wrapper{position:relative;z-index:10;margin-top:-80px;padding:0 32px 80px}.daily-preview{max-width:520px;margin:0 auto;background:#fff;border:1px solid var(--stone-200);border-radius:var(--radius-container);overflow:hidden}.daily-preview__header{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid var(--stone-100)}.daily-preview__label{font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--amber-700)}.daily-preview__date{font-family:var(--font-mono);font-size:12px;color:var(--stone-400)}.daily-preview__body{padding:28px 24px}.daily-preview__meta{font-size:14px;color:var(--stone-500);text-align:center}.daily-preview__footer{padding:12px 24px 20px}.home-game{display:flex;justify-content:center;padding:48px 0 64px;min-height:calc(100vh - 56px);align-items:flex-start}.home-game__inner{max-width:640px;width:100%}.home-game__header{text-align:center;margin-bottom:32px}.home-game__badge{display:inline-block;font-family:var(--font-mono);background:var(--amber-600);color:#fff;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;padding:5px 14px;border-radius:3px;margin-bottom:12px}.home-game__title{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2rem);font-weight:700;color:var(--stone-900);letter-spacing:-.02em;margin-bottom:8px}.home-game__meta{font-family:var(--font-mono);font-size:12px;color:var(--stone-400);letter-spacing:.04em}.home-game__question{background:#fff;border:1px solid var(--stone-200);border-radius:var(--radius-container);padding:32px 28px 28px}.home-game__question .category-badge{display:inline-block;font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:var(--amber-700);margin-bottom:16px}.home-game__question .question-text{font-family:var(--font-display);font-size:clamp(1.15rem,2.5vw,1.5rem);font-weight:600;color:var(--stone-900);letter-spacing:-.01em;line-height:1.35;margin-bottom:28px}.home-game__question .mcq-options{display:grid;grid-gap:10px;gap:10px;margin-bottom:24px}.home-game__question 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var(--stone-200);border-radius:var(--radius-card);font-family:var(--font-body);font-size:15px;color:var(--stone-900);background:#fff;outline:none;transition:border-color .15s;box-sizing:border-box}.home-game__question .text-input:focus{border-color:var(--amber-600)}.home-game__question .text-input::placeholder{color:var(--stone-300)}.home-game__question .input-hint{font-size:12px;color:var(--stone-400);margin-top:8px;margin-bottom:20px}.home-game__question .btn-submit{display:block;width:100%;padding:14px 24px;background:var(--stone-900);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font-body);font-size:15px;font-weight:600;cursor:pointer;transition:background .15s}.home-game__question .btn-submit:hover{background:var(--stone-800)}.home-game__question .btn-submit:disabled{opacity:.4;cursor:not-allowed}.home-game__completed,.home-game__resume{background:#fff;border:1px solid var(--stone-200);border-radius:var(--radius-container);padding:48px 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0}.how-top{text-align:center;margin-bottom:64px}.how-label{font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--amber-600);margin-bottom:12px}.section-heading{font-family:var(--font-display);font-size:36px;font-weight:700;text-align:center;letter-spacing:-.02em;line-height:1.15}.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:0;gap:0;border-top:1px solid var(--stone-200)}.step-card{padding:36px 28px;border-right:1px solid var(--stone-200);border-bottom:1px solid var(--stone-200)}.step-card:last-child{border-right:none}.step-icon{width:40px;height:40px;background:var(--amber-50);border:1px solid var(--amber-200);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:20px}.step-number{font-family:var(--font-mono);font-size:10px;font-weight:500;color:var(--amber-600);text-transform:uppercase;letter-spacing:.14em;margin-bottom:12px}.step-title{font-family:var(--font-display);font-size:20px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}.step-desc{font-size:14px;color:var(--stone-500);line-height:1.65}.featured-packs{margin-left:calc(-50vw + 50%);margin-right:calc(-50vw + 50%);padding:96px 32px;background:var(--stone-50);border-top:1px solid var(--stone-200)}.featured-packs__inner{max-width:1200px;margin:0 auto}.featured-packs__header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px}.featured-packs__top-text .packs-label{font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.14em;color:var(--amber-600);margin-bottom:6px}.featured-packs__header h2{font-family:var(--font-display);font-size:32px;letter-spacing:-.02em}.featured-packs__header a{color:var(--amber-600);font-weight:500;text-decoration:none;font-size:14px;margin-bottom:6px;transition:color .15s}.featured-packs__header a:hover{color:var(--amber-700)}.packs-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.pack-card{background:#fff;border-radius:var(--radius-card);border:1px solid var(--stone-200);overflow:hidden;cursor:pointer;transition:border-color .15s}.pack-card:hover{border-color:var(--stone-300)}.pack-card__thumb{height:180px;display:flex;align-items:center;justify-content:center;padding:28px}.pack-card__thumb--dark{background:var(--stone-900)}.pack-card__thumb--amber{background:var(--amber-600)}.pack-card__thumb--mid{background:var(--stone-700)}.pack-card__thumb-title{font-family:var(--font-display);font-size:20px;font-weight:700;color:#fff;text-align:center;line-height:1.3}.pack-card__info{padding:20px}.pack-card__category{font-family:var(--font-mono);font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;color:var(--amber-600);margin-bottom:6px}.pack-card__title{font-family:var(--font-display);font-size:17px;font-weight:600;color:var(--stone-900);margin-bottom:6px;letter-spacing:-.01em;line-height:1.35}.pack-card__meta{font-size:13px;color:var(--stone-500);line-height:1.55}.pack-card__footer{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-top:1px solid var(--stone-100)}.pack-card__plays{font-family:var(--font-mono);font-size:11px;color:var(--stone-400)}.btn-pack-play{font-size:13px;font-weight:600;color:var(--amber-700);background:var(--amber-50);border:1px solid var(--amber-200);padding:6px 18px;border-radius:var(--radius);cursor:pointer;text-decoration:none;transition:all .15s}.btn-pack-play:hover{background:var(--amber-100);border-color:var(--amber-300)}.play-container{display:flex;justify-content:center;padding:24px 0}.phone-frame{background:#FFFFFF;border-radius:var(--radius-container);border:1px solid var(--stone-200);overflow:hidden;max-width:640px;width:100%}.play-header{padding:16px 20px 0}.play-header__bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.play-header__exit{font-size:14px;font-weight:500;color:var(--stone-400);text-decoration:none;transition:color .15s}.play-header__exit:hover{color:var(--stone-600)}.play-header__progress{font-family:var(--font-body);font-size:14px;font-weight:700;color:var(--stone-900)}.play-header__time{font-size:14px;font-weight:500;color:var(--stone-400);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.play-progress-track{height:3px;background:var(--stone-100);border-radius:3px;overflow:hidden}.play-progress-fill{height:100%;background:var(--amber-600);border-radius:3px;transition:width .3s ease}.quiz-content{padding:28px 24px 24px;text-align:center}.category-badge{display:inline-block;font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--amber-600);margin-bottom:16px}.question-text{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--stone-900);text-align:center;line-height:1.4;margin-bottom:28px;letter-spacing:-.01em}.mcq-options{display:flex;flex-direction:column;gap:10px;margin-bottom:24px;text-align:left}.mcq-option{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--stone-200);border-radius:var(--radius);background:#fff;cursor:pointer;transition:all .12s}.mcq-option:hover{border-color:var(--stone-300);background:var(--stone-50)}.letter-badge{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:1.5px solid var(--stone-200);border-radius:3px;background:transparent;font-family:var(--font-mono);font-size:12px;font-weight:500;color:var(--stone-500);flex-shrink:0;transition:all .12s}.option-text{font-size:15px;font-weight:500;color:var(--stone-700);transition:color .15s}.mcq-option--selected{border-color:var(--amber-500);background:var(--amber-50)}.mcq-option--selected .letter-badge{border-color:var(--amber-500);background:var(--amber-500);color:#fff}.mcq-option--selected .option-text{color:var(--stone-900);font-weight:600}.mcq-option--correct{border-color:var(--correct);background:var(--correct-bg)}.mcq-option--correct .letter-badge{border-color:var(--correct);background:var(--correct);color:#fff}.mcq-option--correct .option-text{color:var(--correct-dark);font-weight:600}.mcq-option--incorrect{border-color:var(--incorrect);background:var(--incorrect-bg)}.mcq-option--incorrect .letter-badge{border-color:var(--incorrect);background:var(--incorrect);color:#fff}.mcq-option--incorrect .option-text{color:var(--incorrect-dark);font-weight:600}.mcq-option--faded{opacity:.5;pointer-events:none}.explanation-panel{background:var(--amber-50);border:1px solid var(--amber-200);border-radius:var(--radius);padding:16px 18px;margin-bottom:20px;text-align:left}.explanation-label{font-family:var(--font-mono);font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--amber-600);margin-bottom:8px}.explanation-text{font-family:var(--font-display);font-size:14px;font-style:italic;color:var(--stone-600);line-height:1.6}.status-footer{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.status-correct{color:var(--correct)}.status-correct,.status-incorrect{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:700}.status-incorrect{color:var(--incorrect)}.status-flag-btn{font-size:12px;color:var(--stone-400);background:none;border:none;cursor:pointer;text-decoration:underline}.status-flag-btn:hover{color:var(--stone-600)}.text-input{width:100%;font-family:var(--font-body);font-size:18px;padding:16px 20px;border:1px solid var(--stone-300);border-radius:var(--radius);background:#fff;color:var(--stone-900);text-align:center;outline:none;transition:border-color .15s}.text-input:focus{border-color:var(--amber-600)}.input-hint{font-size:12px;color:var(--stone-400);text-align:center;margin-top:8px;margin-bottom:20px}.daily-entry{display:flex;justify-content:center;padding:48px 0}.daily-entry__content{max-width:520px;width:100%}.edition-card{background:#fff;border:1px solid var(--stone-200);border-radius:var(--radius-container);overflow:hidden;margin-bottom:24px}.edition-card__inner{padding:32px 28px;text-align:center}.edition-badge{display:inline-block;font-family:var(--font-mono);background:var(--amber-600);color:#fff;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.12em;padding:5px 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