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button{min-width:150px;color:var(--history-ink);cursor:pointer;background:var(--history-gold);clip-path:polygon(0 0,100% 0,100% 76%,92% 100%,0 100%);border:0;padding:12px 18px;font-size:11px;font-weight:800}.contact-form button:disabled{color:#819096;cursor:not-allowed;background:#cbd4d7}.contact-status{color:#e7eef0a6;min-height:20px;margin:14px 0 0;font-size:10px;line-height:1.5}.contact-status[data-state=success]{color:#a9d8b8}.contact-status[data-state=error]{color:#f4a79d}.history-footer{color:#f7fafb;background:#101b21;grid-template-columns:1fr auto;align-items:start;gap:38px;padding:42px clamp(24px,7vw,100px);display:grid}.history-footer>div>p{color:#e7eef08f;max-width:570px;margin:16px 0 0;font-size:10px;line-height:1.6}.history-footer nav{flex-wrap:wrap;justify-content:flex-end;max-width:540px}.history-footer nav a{color:#f7fafbcc;text-underline-offset:3px;font-size:10px}.history-credit{color:#e7eef06b;border-top:1px solid #e7eef01c;grid-column:1/-1;margin:0;padding-top:22px;font-family:IBM Plex Mono,monospace;font-size:8px;line-height:1.55}@media (width<=900px){.history-hero,.history-timeline,.contact-section{grid-template-columns:1fr}.history-hero{min-height:0}.plat-card{width:min(100%,500px)}.timeline-heading{position:static}.history-note{grid-template-columns:1fr;align-items:start}.contact-form{max-width:620px}}@media (width<=760px){html{scroll-padding-bottom:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + 16px)}body{padding-bottom:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom))}.history-header{min-height:calc(66px + env(safe-area-inset-top));padding-top:calc(10px + env(safe-area-inset-top))}.history-header nav{display:none}.mobile-tab-bar{z-index:40;height:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom));padding:0 6px env(safe-area-inset-bottom);color:#f7fafb9e;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#17232bf5;border-top:1px solid #e7eef024;grid-template-columns:repeat(4,minmax(0,1fr));display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 28px #17232b3d}.mobile-tab-bar a{min-width:0;min-height:54px;color:inherit;touch-action:manipulation;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:9px;font-weight:680;text-decoration:none;display:flex;position:relative}.mobile-tab-bar a:focus-visible{outline-offset:-4px}.mobile-tab-bar a:before{content:"";background:repeating-linear-gradient(90deg, var(--history-gold) 0 7px, transparent 7px 11px);opacity:0;height:3px;position:absolute;top:0;left:18%;right:18%;transform:translateY(-2px)}.mobile-tab-bar a[aria-current=page]{color:#fff}.mobile-tab-bar a[aria-current=page]:before{opacity:1;transform:translateY(0)}.mobile-tab-bar a[aria-current=page] svg{color:var(--history-gold)}.install-card{z-index:32;right:12px;bottom:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom) + 12px);color:#f7fafb;border-left:4px solid var(--history-gold);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);pointer-events:none;background:#17232bf5;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;gap:11px;padding:15px;display:grid;position:fixed;left:12px;box-shadow:0 18px 46px #17232b4d}.install-card[hidden]{display:none}.install-card strong,.install-card p{margin:0;display:block}.install-card strong{font-size:12px}.install-card p{color:#f7fafbad;margin-top:4px;font-size:10px;line-height:1.45}.install-card [data-install-action]{min-height:48px;color:var(--history-ink);cursor:pointer;background:var(--history-gold);pointer-events:auto;border:0;margin-top:10px;padding:8px 13px;font-size:10px;font-weight:780}.install-card-dismiss{color:#f7fafba6;cursor:pointer;pointer-events:auto;background:0 0;border:0;place-items:center;width:48px;height:48px;padding:0;display:grid}.connection-banner{z-index:35;top:calc(12px + env(safe-area-inset-top));color:#fff;background:#b64a3a;width:auto;padding:12px 14px;font-size:10px;font-weight:720;line-height:1.45;display:block;position:fixed;left:12px;right:12px;transform:none;box-shadow:0 10px 30px #17232b38}.connection-banner[hidden]{display:none}}@media (width<=620px){.history-header{min-height:calc(66px + env(safe-area-inset-top));padding:calc(10px + env(safe-area-inset-top)) 16px 10px}.history-header .history-brand small{display:none}.history-header nav{gap:13px}.history-header nav a{font-size:10px}.history-header nav a:first-child{display:none}.history-hero{gap:52px;padding-top:70px;padding-bottom:80px}.history-hero h1{font-size:clamp(48px,16vw,70px)}.plat-card{min-height:330px;padding-top:205px;transform:none}.plat-grid{height:120px;left:30px;right:30px}.rail-line{height:180px}.history-timeline{gap:54px}.history-timeline li{grid-template-columns:70px minmax(0,1fr);gap:15px}.history-timeline li:before{left:78px}.history-timeline li:after{left:71px}.history-timeline li>div{padding-left:18px}.history-timeline time{font-size:11px}.contact-section{grid-template-columns:minmax(0,1fr)}.contact-form{padding:22px}.history-footer{grid-template-columns:1fr}.history-footer nav{justify-content:flex-start}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}