:root{--bg-dark:#0b0d14;--bg-panel:#0f111a;--text-primary:#e7e9ef;--text-secondary:#a0a5b8;--accent:#ff6a3d;--accent-2:#ffd93d;--accent-3:#7ee0fa;--highlight:#ff4ecd;--lane-usa:#4a9eff;--lane-ussr:#ff4a4a;--lane-china:#ffc73a;--lane-esa:#7b68ee;--lane-india:#ff8c42;--lane-diplo:#a0a5b8;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2.5rem;--space-xxl:4rem;--font-body:"General Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;--font-mono:"Space Mono",ui-monospace,SFMono-Regular,Menlo,monospace;--font-serif:"Instrument Serif",Georgia,serif;--timeline-height:100vh;--card-width:320px;--card-gap:24px;--header-h:72px;--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--shadow-1:0 10px 30px rgba(0,0,0,.35);--shadow-2:0 20px 50px rgba(0,0,0,.45);--shadow-glow:0 0 30px rgba(255,106,61,.25)}*,:after,:before{box-sizing:border-box}*{margin:0;padding:0}body,html{height:100%}body{font-family:var(--font-body);background:var(--bg-dark);color:var(--text-primary);line-height:1.45;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}img{max-width:100%;display:block}#starfield{width:100%;height:100%;z-index:0}#comet-layer,#starfield{position:fixed;inset:0;pointer-events:none}#comet-layer{z-index:1;overflow:hidden}.comet{position:absolute;height:2px;background:linear-gradient(90deg,hsla(0,0%,100%,0),hsla(0,0%,100%,.8) 50%,hsla(0,0%,100%,0));border-radius:2px;opacity:0;pointer-events:none}#countdown-header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:linear-gradient(180deg,rgba(11,13,20,.95),rgba(11,13,20,.8) 60%,rgba(11,13,20,0));-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:100;display:flex;align-items:center;justify-content:center;padding:0 var(--space-lg)}.countdown-inner{flex-direction:column}.countdown-inner,.countdown-label{display:flex;align-items:center;gap:var(--space-xs)}.countdown-label{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.08em;color:var(--text-secondary);text-transform:uppercase}.cd-flag{font-size:.9rem}.flip-clock{gap:var(--space-xs);font-family:var(--font-mono)}.flip-clock,.flip-unit{display:flex;align-items:center}.flip-unit{flex-direction:column;min-width:44px}.flip-top{font-size:1.6rem;font-weight:700;line-height:1;color:var(--text-primary);text-shadow:0 0 10px rgba(255,106,61,.3)}.flip-label{font-size:.55rem;letter-spacing:.1em;color:var(--text-secondary);margin-top:2px}.flip-sep{font-size:1.2rem;color:var(--accent);opacity:.7;transform:translateY(-2px)}#lane-legend{position:fixed;top:var(--header-h);left:0;right:0;display:flex;justify-content:center;gap:var(--space-lg);padding:var(--space-sm) var(--space-lg);background:rgba(11,13,20,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid hsla(0,0%,100%,.05);z-index:90;font-size:.75rem}.leg{display:inline-flex;align-items:center;gap:6px;color:var(--text-secondary);font-weight:500}.leg .flag{font-size:.9rem}.leg--diplo .dot-diplo{width:8px;height:8px;border-radius:50%;background:var(--lane-diplo)}#timeline{position:fixed;top:calc(var(--header-h) + 40px);left:0;right:0;bottom:0;overflow-x:auto;overflow-y:hidden;z-index:10;scrollbar-width:thin;scrollbar-color:hsla(0,0%,100%,.15) transparent}#timeline::-webkit-scrollbar{height:8px}#timeline::-webkit-scrollbar-track{background:transparent}#timeline::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.15);border-radius:4px}#timeline-scroll{padding:0 var(--space-xl);gap:var(--card-gap)}#hero-panel,#timeline-scroll{display:flex;align-items:center;height:100%}#hero-panel{position:relative;min-width:100vw;justify-content:center;flex-shrink:0}.hero-content{text-align:center;z-index:5}.hero-sm{display:block;font-family:var(--font-mono);font-size:clamp(.9rem,1.2vw,1.1rem);letter-spacing:.35em;color:var(--accent);margin-bottom:var(--space-sm);text-transform:uppercase}.hero-lg{display:block;font-size:clamp(3.5rem,10vw,7rem);font-weight:700;line-height:.9;letter-spacing:-.02em;background:linear-gradient(135deg,var(--text-primary) 0,var(--accent) 50%,var(--highlight) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-sub{font-family:var(--font-serif);font-size:clamp(1rem,1.5vw,1.25rem);color:var(--text-secondary);margin-top:var(--space-md);font-style:italic;max-width:500px;margin-left:auto;margin-right:auto}.hero-dates{font-family:var(--font-mono);font-size:.9rem;color:var(--accent-2);margin-top:var(--space-lg);letter-spacing:.15em}.scroll-cue{display:inline-flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-xl);color:var(--text-secondary);font-size:.8rem;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.nebula-gradient{position:absolute;inset:0;background:radial-gradient(ellipse at 20% 50%,rgba(123,104,238,.15) 0,transparent 50%),radial-gradient(ellipse at 80% 30%,rgba(255,106,61,.12) 0,transparent 40%),radial-gradient(ellipse at 50% 80%,rgba(78,224,250,.1) 0,transparent 50%);pointer-events:none;z-index:1}.chapter-marker{flex-shrink:0;width:200px;text-align:center;padding:var(--space-lg);border-left:2px solid hsla(0,0%,100%,.1);border-right:2px solid hsla(0,0%,100%,.1)}.ch-num{font-family:var(--font-serif);font-size:3rem;color:var(--accent);opacity:.6;line-height:1;margin-bottom:var(--space-sm)}.ch-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:var(--space-xs)}.ch-range{font-family:var(--font-mono);font-size:.75rem;color:var(--text-secondary)}.ev{flex-shrink:0;width:var(--card-width);background:var(--bg-panel);border-radius:var(--radius-md);border:1px solid hsla(0,0%,100%,.06);box-shadow:var(--shadow-1);overflow:hidden;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;position:relative}.ev:hover{transform:translateY(-4px);box-shadow:var(--shadow-2),var(--shadow-glow)}.ev--landmark{border-color:rgba(255,106,61,.3);box-shadow:0 0 20px rgba(255,106,61,.1)}.ev--diplo{background:linear-gradient(135deg,rgba(160,165,184,.1) 0,var(--bg-panel) 100%)}.ev-flag{position:absolute;top:var(--space-sm);left:var(--space-sm);font-size:1.4rem;z-index:5;text-shadow:0 2px 4px rgba(0,0,0,.5)}.dual-flag{font-size:1.1rem;letter-spacing:-2px}.ev-status{position:absolute;top:var(--space-sm);right:var(--space-sm);z-index:5}.status-badge{font-family:var(--font-mono);font-size:.6rem;font-weight:700;padding:4px 8px;border-radius:var(--radius-sm);letter-spacing:.05em}.status-badge.disaster{background:rgba(255,74,74,.2);color:#ff6b6b;border:1px solid rgba(255,74,74,.3)}.status-badge.near-disaster{background:rgba(255,201,61,.2);color:#ffd93d;border:1px solid rgba(255,201,61,.3)}.ev-img-wrap{width:100%;height:180px;overflow:hidden;position:relative}.ev-img-wrap:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,var(--bg-panel) 100%);pointer-events:none}.ev-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.ev:hover .ev-img-wrap img{transform:scale(1.05)}.ev-body{padding:var(--space-md)}.ev-year{font-family:var(--font-mono);font-size:.75rem;color:var(--accent);font-weight:700;letter-spacing:.1em;display:block;margin-bottom:var(--space-xs)}.ev-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);line-height:1.2;margin-bottom:var(--space-sm)}.ev-desc{font-size:.85rem;line-height:1.5}.ev-desc,.ev-detail{color:var(--text-secondary)}.ev-detail{margin-top:var(--space-md);padding-top:var(--space-md);border-top:1px solid hsla(0,0%,100%,.1);font-size:.8rem;line-height:1.6}.ev-detail p{margin-bottom:var(--space-sm)}.ev-detail p:last-child{margin-bottom:0}.ev-pride{padding:0 var(--space-md) var(--space-md)}.pride-badge{font-family:var(--font-mono);font-size:.6rem;font-weight:700;padding:6px 10px;border-radius:var(--radius-sm);letter-spacing:.08em;display:inline-block}.pride-badge.usa{background:rgba(74,158,255,.15);color:var(--lane-usa);border:1px solid rgba(74,158,255,.25)}.pride-badge.ussr{background:rgba(255,74,74,.15);color:var(--lane-ussr);border:1px solid rgba(255,74,74,.25)}.pride-badge.china{background:rgba(255,199,58,.15);color:var(--lane-china);border:1px solid rgba(255,199,58,.25)}.pride-badge.esa{background:rgba(123,104,238,.15);color:var(--lane-esa);border:1px solid rgba(123,104,238,.25)}.pride-badge.india{background:rgba(255,140,66,.15);color:var(--lane-india);border:1px solid rgba(255,140,66,.25)}.pride-badge.diplo{background:rgba(160,165,184,.15);color:var(--lane-diplo);border:1px solid rgba(160,165,184,.25)}.pride-badge.multi{background:linear-gradient(135deg,rgba(74,158,255,.15),rgba(255,74,74,.15));color:var(--accent-3);border:1px solid rgba(78,224,250,.25)}.pride-badge.glow{animation:glow 2s ease-in-out infinite}@keyframes glow{0%,to{box-shadow:0 0 5px rgba(255,106,61,.2)}50%{box-shadow:0 0 15px rgba(255,106,61,.4)}}#progress-bar{position:fixed;bottom:0;left:0;right:0;height:4px;background:hsla(0,0%,100%,.05);z-index:100}#progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--highlight));width:0;transition:width .1s ease-out}#progress-year{position:fixed;bottom:12px;right:var(--space-lg);font-family:var(--font-mono);font-size:.75rem;color:var(--text-secondary);z-index:101}@media (max-width:768px){:root{--card-width:280px;--card-gap:16px}#lane-legend{gap:var(--space-sm);font-size:.65rem;padding:var(--space-xs) var(--space-sm)}.leg{gap:3px}.chapter-marker{width:160px;padding:var(--space-md)}.ch-num{font-size:2rem}.ch-title{font-size:.9rem}.flip-top{font-size:1.2rem}.flip-unit{min-width:36px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}