.timeline-page{background:#f3f6f8}.site-header nav a.active{color:var(--cyan)}.timeline-hero{min-height:470px;background:var(--navy);color:#fff;padding:78px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center}.timeline-hero h1{font-size:clamp(52px,7vw,82px);line-height:.95;letter-spacing:-.05em;margin:0 0 26px}.timeline-hero h1 span{color:var(--cyan)}.timeline-hero>div>p:last-child{max-width:650px;color:#bdc8d6;font-size:20px}.era-stack{display:grid;gap:10px;transform:rotate(-3deg)}.era-stack b{display:block;padding:12px 20px;border:1px solid #34445d;color:#fff;background:#101d2d;font-size:18px;letter-spacing:.1em}.era-stack b:nth-child(2){margin-left:34px}.era-stack b:nth-child(3){margin-left:68px;color:var(--cyan)}.era-stack b:nth-child(4){margin-left:102px;background:var(--cyan);color:var(--navy)}.era-stack b:nth-child(5){margin-left:136px;background:var(--orange);color:var(--navy)}.timeline-tools{position:sticky;top:76px;z-index:10;background:#fff;border-bottom:1px solid var(--line);padding:18px max(24px,calc((100vw - var(--max))/2));box-shadow:0 8px 24px #1720330c}.mode-switch,.filter-row{display:flex;gap:8px;flex-wrap:wrap}.mode-switch{margin-bottom:12px}.mode-switch button,.filter-row button{border:1px solid var(--line);background:#fff;padding:9px 14px;border-radius:999px;font-weight:800;color:var(--ink);cursor:pointer}.mode-switch button.active{background:var(--navy);color:#fff;border-color:var(--navy)}.filter-row button.active{background:var(--cyan);border-color:var(--cyan);color:var(--navy)}.timeline-wrap{position:relative;max-width:1180px;margin:0 auto;padding:70px 24px 100px}.timeline-line{position:absolute;top:70px;bottom:100px;left:50%;width:4px;background:linear-gradient(var(--cyan),var(--blue),var(--orange));border-radius:8px}.timeline{display:grid;gap:42px}.timeline-item{position:relative;width:calc(50% - 38px);background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 16px 38px #17203312}.timeline-item:nth-child(even){margin-left:calc(50% + 38px)}.timeline-item::after{content:"";position:absolute;top:38px;width:18px;height:18px;border:5px solid #fff;background:var(--accent);border-radius:50%;box-shadow:0 0 0 3px var(--accent)}.timeline-item:nth-child(odd)::after{right:-51px}.timeline-item:nth-child(even)::after{left:-51px}.timeline-image{height:215px;background:#e9edf2;display:flex;align-items:center;justify-content:center;padding:14px}.timeline-image img{width:100%;height:100%;object-fit:contain}.timeline-body{padding:22px}.timeline-meta{display:flex;justify-content:space-between;align-items:center;gap:12px}.timeline-year{font-size:30px;font-weight:900;color:var(--accent)}.timeline-tag{font-size:10px;font-weight:900;letter-spacing:.08em;padding:6px 9px;border-radius:99px;background:#edf1f5}.timeline-item h2{font-size:25px;margin:10px 0 8px}.timeline-item p{margin:0;color:var(--mid)}.timeline-why{display:block;margin-top:13px;padding-top:13px;border-top:1px solid var(--line);font-size:14px;color:var(--ink)}.priority{display:inline-block;margin-top:14px;font-size:10px;font-weight:900;color:#fff;background:var(--navy);padding:6px 9px;border-radius:5px}.game-panel{max-width:900px;margin:60px auto 100px;padding:0 24px}.game-heading{text-align:center;margin-bottom:32px}.game-heading h2,.generation-key h2{font-size:40px;margin:0 0 10px}.game-heading p:last-child{color:var(--mid)}.order-cards{display:grid;gap:12px}.order-card{display:grid;grid-template-columns:65px 1fr auto;gap:16px;align-items:center;background:#fff;border:2px solid var(--line);border-radius:14px;padding:14px 18px}.order-card.dragging{opacity:.45}.order-card strong{font-size:18px}.order-card small{display:block;color:var(--mid)}.order-icon{font-size:28px;color:var(--cyan);font-weight:900;text-align:center}.order-controls{display:flex;gap:6px}.order-controls button{width:38px;height:38px;border:0;border-radius:8px;background:var(--light);font-weight:900;cursor:pointer}.game-actions{display:flex;gap:10px;justify-content:center;margin-top:24px}.button.dark{background:var(--navy);color:#fff}.game-feedback{text-align:center;font-size:18px;font-weight:900;min-height:28px}.game-feedback.ok{color:#17884b}.game-feedback.no{color:var(--red)}.year-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 18px 45px #17203314;max-width:600px;margin:0 auto}.year-card img{width:100%;height:300px;object-fit:contain;background:#e9edf2;padding:20px}.year-card div{padding:24px}.year-card h3{font-size:28px;margin:0 0 8px}.year-card p{color:var(--mid);margin:0}.year-answers{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:600px;margin:18px auto}.year-answers button{padding:14px;border:2px solid var(--line);background:#fff;border-radius:10px;font-weight:900;cursor:pointer}.year-answers button.correct{border-color:var(--green);background:#eafaf1}.year-answers button.wrong{border-color:var(--red);background:#fdebed}.year-game>#nextYear{display:flex;margin:0 auto}.generation-key{background:#fff;padding:80px max(24px,calc((100vw - var(--max))/2));text-align:center}.generation-key>div{display:flex;align-items:stretch;justify-content:center;gap:14px;margin-top:36px}.generation-key article{flex:1;max-width:245px;background:var(--light);padding:24px 18px;border-radius:16px}.generation-key article span{display:grid;place-items:center;width:38px;height:38px;margin:0 auto 12px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900}.generation-key article b{display:block;font-size:20px}.generation-key article small{display:block;color:var(--mid);margin-top:7px}.generation-key i{align-self:center;color:var(--cyan);font-size:28px;font-style:normal}@media(max-width:850px){.timeline-hero{grid-template-columns:1fr}.era-stack{display:none}.timeline-tools{top:76px}.timeline-line{left:38px}.timeline-item,.timeline-item:nth-child(even){width:calc(100% - 56px);margin-left:56px}.timeline-item:nth-child(odd)::after,.timeline-item:nth-child(even)::after{left:-47px;right:auto}.year-answers{grid-template-columns:1fr 1fr}.generation-key>div{flex-direction:column;align-items:center}.generation-key article{width:100%}.generation-key i{transform:rotate(90deg)}}