:root{--black:#050505;--line:rgba(255,255,255,.13);--text:#fff;--muted:rgba(255,255,255,.70);--soft:rgba(255,255,255,.48);--brand:#f23200;--brand-two:#ff6a1a;--radius:32px;--shadow:0 30px 90px rgba(0,0,0,.45)}
    *{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:92px;background:var(--black)}body{margin:0;color:var(--text);font-family:Inter,system-ui,sans-serif;background:radial-gradient(circle at 10% 0%,rgba(242,50,0,.30),transparent 32rem),radial-gradient(circle at 86% 18%,rgba(215,0,53,.20),transparent 34rem),radial-gradient(circle at 50% 100%,rgba(255,106,26,.11),transparent 40rem),#050505;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.noise{pointer-events:none;position:fixed;inset:0;z-index:0;opacity:.08;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.75'/%3E%3C/svg%3E")}.site-bg{pointer-events:none;position:fixed;inset:0;z-index:0;overflow:hidden}.blob{position:absolute;width:34rem;height:34rem;border-radius:999px;filter:blur(70px);opacity:.32;animation:floatBlob 12s ease-in-out infinite alternate}.blob.one{left:-12rem;top:-10rem;background:var(--brand)}.blob.two{right:-13rem;top:20rem;background:var(--brand-three);animation-delay:2s}.blob.three{left:35%;bottom:-18rem;background:var(--brand-two);animation-delay:4s;opacity:.16}@keyframes floatBlob{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(42px,32px,0) scale(1.12)}}.page{position:relative;z-index:2}.container{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(22px);background:linear-gradient(to bottom,rgba(5,5,5,.86),rgba(5,5,5,.48));border-bottom:1px solid rgba(255,255,255,.07)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand-mark{display:flex;align-items:center;gap:14px}.brand-badge{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;overflow:hidden;background:rgba(242,50,0,.14);box-shadow:0 0 40px rgba(242,50,0,.45)}.brand-badge img{width:100%;height:100%;object-fit:contain}.brand-name{font-weight:950;letter-spacing:-.04em;line-height:1}.nav{display:flex;align-items:center;gap:4px;padding:6px;border:1px solid var(--line);background:rgba(255,255,255,.055);border-radius:999px}.nav a{padding:10px 13px;color:rgba(255,255,255,.76);font-size:13px;font-weight:800;border-radius:999px}.nav a.active{background:rgba(242,50,0,.20);color:#fff}.mobile-menu-button{display:none;border:1px solid var(--line);background:rgba(255,255,255,.08);color:white;width:48px;height:48px;border-radius:18px;cursor:pointer}.mobile-lines,.mobile-lines:before,.mobile-lines:after{display:block;width:20px;height:2px;margin:0 auto;background:white;border-radius:99px;position:relative}.mobile-lines:before,.mobile-lines:after{content:"";position:absolute;left:0}.mobile-lines:before{top:-7px}.mobile-lines:after{top:7px}.mobile-panel{display:none;padding:0 20px 20px}.mobile-panel.open{display:block}.mobile-panel a{display:block;padding:16px 18px;margin-top:8px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);font-weight:850}
    .history-hero{min-height:calc(78vh - 82px);display:grid;align-items:center;padding:46px 0;background:linear-gradient(90deg,rgba(5,5,5,.92),rgba(5,5,5,.58),rgba(5,5,5,.25)),url('/assets/history/ush-history-hero.webp') center/cover no-repeat;border-bottom:1px solid rgba(255,255,255,.10)}.eyebrow{display:inline-flex;gap:10px;align-items:center;padding:10px 16px;border-radius:999px;color:#ffd3c8;background:rgba(242,50,0,.13);border:1px solid rgba(242,50,0,.38);font-weight:850;font-size:14px}.spark{width:9px;height:9px;background:var(--brand);border-radius:999px;box-shadow:0 0 22px var(--brand)}h1{margin:28px 0 0;max-width:1050px;font-size:clamp(46px,7.1vw,100px);line-height:1.06;letter-spacing:-.035em;font-weight:950}.hero-copy{max-width:760px;margin:24px 0 0;font-size:20px;line-height:1.72;color:var(--muted)}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 22px;border-radius:999px;font-weight:950;border:1px solid rgba(255,255,255,.13)}.button.primary{background:linear-gradient(135deg,var(--brand),var(--brand-two));border-color:transparent;box-shadow:0 0 50px rgba(242,50,0,.42)}.button.secondary{background:rgba(255,255,255,.10);backdrop-filter:blur(18px)}section{padding:76px 0}.section-kicker{color:var(--brand-two);font-weight:950;text-transform:uppercase;letter-spacing:.28em;font-size:13px;margin-bottom:14px}.section-title{margin:0;font-size:clamp(36px,5vw,68px);line-height:1.08;letter-spacing:-.018em;font-weight:950}.section-copy{margin:18px 0 0;max-width:760px;color:var(--muted);font-size:18px;line-height:1.72}.intro-grid{display:grid;grid-template-columns:1fr .78fr;gap:30px;align-items:start}.panel{border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.04));border-radius:var(--radius);padding:30px;box-shadow:0 26px 70px rgba(0,0,0,.22)}.timeline-box{position:sticky;top:104px}.timeline-list{list-style:none;margin:22px 0 0;padding:0}.timeline-list li{display:grid;grid-template-columns:76px 1fr;gap:16px;padding:13px 0;border-top:1px solid rgba(255,255,255,.10)}.timeline-list strong{color:#ffd3c8}.jump-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.jump-nav a{padding:10px 14px;border:1px solid var(--line);background:rgba(255,255,255,.07);border-radius:999px;font-weight:850;font-size:14px}.era{border-top:1px solid rgba(255,255,255,.10)}.era-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:34px;align-items:start}.era-sticky{position:sticky;top:104px}.history-figure{margin:24px 0 0;border-radius:28px;overflow:hidden;border:1px solid var(--line);background:rgba(255,255,255,.06)}.history-figure img{width:100%;height:auto}.history-figure figcaption{padding:12px 16px;color:var(--soft);font-size:13px;line-height:1.5}.story-card{border:1px solid var(--line);background:rgba(255,255,255,.065);border-radius:32px;padding:28px;margin-bottom:22px}.story-card h3{margin:0;font-size:28px;letter-spacing:-.035em}.story-card p{color:var(--muted);line-height:1.7;font-size:17px}.video-embed{aspect-ratio:16/9;border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.10);background:#000;margin-top:18px}.video-embed iframe{width:100%;height:100%;border:0}.archive-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}.archive-card{min-height:220px;padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.04));position:relative;overflow:hidden}.archive-card h3{margin:0;font-size:23px}.archive-card p{color:var(--muted);line-height:1.6}.mini-button{width:100%;display:inline-flex;justify-content:center;align-items:center;padding:14px 18px;border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);font-weight:950}.sources a{color:#ffd0c5;text-decoration:underline;text-underline-offset:4px}.history-figure img{cursor:zoom-in}.history-lightbox{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(0,0,0,.92);backdrop-filter:blur(14px)}.history-lightbox.open{display:flex}.history-lightbox-inner{width:min(1180px,100%);max-height:calc(100vh - 48px);display:grid;gap:14px}.history-lightbox-image-wrap{position:relative;display:grid;place-items:center;min-height:0}.history-lightbox img{max-width:100%;max-height:calc(100vh - 170px);object-fit:contain;border-radius:20px;box-shadow:0 30px 90px rgba(0,0,0,.6)}.history-lightbox-caption{text-align:center;color:rgba(255,255,255,.82);font-weight:800;line-height:1.45}.history-lightbox-controls{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.history-lightbox button,.history-lightbox .history-lightbox-full{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.10);color:#fff;border-radius:999px;min-height:44px;padding:0 16px;font-weight:950;cursor:pointer;font-family:inherit}@media(max-width:640px){.history-lightbox{padding:14px}.history-lightbox img{max-height:calc(100vh - 200px)}}footer{padding:30px 0 48px;color:var(--soft);text-align:center;font-size:14px}.reveal,.reveal.visible{opacity:1!important;transform:none!important}
    @media(max-width:980px){.nav{display:none}.mobile-menu-button{display:grid!important;place-items:center}.intro-grid,.era-grid{grid-template-columns:1fr}.timeline-box,.era-sticky{position:static}.archive-grid{grid-template-columns:repeat(2,1fr)}.history-hero{min-height:auto;padding:70px 0}}
    @media(max-width:640px){.container{width:min(100% - 28px,1180px)}.header-inner{min-height:74px}.brand-badge{width:46px;height:46px;border-radius:16px}h1{font-size:clamp(40px,12vw,58px)}.hero-copy{font-size:18px}section{padding:54px 0}.panel,.story-card{border-radius:24px;padding:22px}.archive-grid{grid-template-columns:1fr}.hero-actions .button{width:100%}}
  
@media(max-width:760px){.history-hero{min-height:auto;padding:54px 0 48px;align-items:start}}

/* Phase 20L: align History lightbox controls with archive lightbox UX. */
.history-lightbox-count{
  color:rgba(255,255,255,.68);
  font-weight:700;
  font-size:14px;
  text-align:center;
}
.history-lightbox-controls{
  width:100%;
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  align-items:stretch;
  gap:10px;
  padding-bottom:4px;
}
.history-lightbox-controls button,
.history-lightbox-controls a{
  min-height:52px;
  min-width:150px;
  padding:10px 20px;
  border:1px solid rgba(255,255,255,.28);
  background:#171717;
  color:#fff;
  border-radius:999px;
  font:800 16px/1.2 system-ui,-apple-system,sans-serif;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.history-lightbox-controls button:hover,
.history-lightbox-controls a:hover{background:#242424}
.history-lightbox-controls button:focus-visible,
.history-lightbox-controls a:focus-visible,

@media(max-width:700px){
  .history-lightbox-controls{
    display:grid !important;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr) !important;
    gap:10px !important;
  }
  .history-lightbox-controls > button,
  .history-lightbox-controls > a{
    display:flex !important;
    width:100% !important;
    min-width:0 !important;
    min-height:54px;
    padding:9px 12px;
    align-items:center;
    justify-content:center;
    white-space:normal;
  }
}
@media(max-width:330px){
  .history-lightbox-controls{
    grid-template-columns:1fr !important;
  }
}