/* Research catalog: existing AISOV typography and palette, adapted to the dark landing.
   Design variance 4 / motion 2 / density 4. */
@font-face{font-family:Inter;src:url('./fonts/inter-400.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Inter;src:url('./fonts/inter-600.ttf') format('truetype');font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:Inter;src:url('./fonts/inter-700.ttf') format('truetype');font-style:normal;font-weight:700;font-display:swap}

:root{
  color-scheme:dark;
  --catalog-bg:#0B1020;
  --catalog-surface:#111827;
  --catalog-border:#344054;
  --catalog-text:#F8FAFC;
  --catalog-muted:#98A2B3;
  --catalog-accent:#8EA6EE;
  --catalog-radius:8px;
  --catalog-font:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-padding-top:88px}
body.research-catalog{margin:0;min-height:100dvh;display:flex;flex-direction:column;background:var(--catalog-bg);color:var(--catalog-text);font:400 16px/1.5 var(--catalog-font)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
a:focus-visible,summary:focus-visible{outline:3px solid var(--catalog-accent);outline-offset:4px;border-radius:4px}
.catalog-wrap{width:min(1280px,calc(100% - 64px));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:16px;z-index:100;padding:12px 16px;background:var(--catalog-text);color:var(--catalog-bg);transform:translateY(-200%)}
.skip-link:focus{transform:none}

.catalog-header{position:sticky;top:0;z-index:50;background:var(--catalog-bg);border-bottom:1px solid var(--catalog-border)}
.catalog-header__row{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.catalog-brand{flex-shrink:0;padding-block:10px;font-size:20px;font-weight:700;letter-spacing:-.025em;color:var(--catalog-accent)}
.catalog-nav{display:flex;align-items:center;gap:24px}
.catalog-nav a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;white-space:nowrap;color:var(--catalog-muted)}
.catalog-nav a:hover,.catalog-menu__nav a:hover{color:var(--catalog-text)}
.catalog-nav a[aria-current],.catalog-menu__nav a[aria-current]{color:var(--catalog-accent);text-decoration:underline;text-underline-offset:7px;text-decoration-thickness:2px}
.catalog-menu{display:none}

.catalog-main{flex:1;padding-top:56px;padding-bottom:72px}
.catalog-intro{margin-bottom:40px}
.catalog-intro h1{margin:0 0 16px;font-size:56px;line-height:1.12;font-weight:700;letter-spacing:-.04em}
.catalog-intro p{max-width:680px;margin:0;color:var(--catalog-muted);font-size:18px;line-height:28px}
.research-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;list-style:none;margin:0;padding:0}
.research-grid>li{min-width:0;display:flex}
.research-card{display:flex;min-width:0;width:100%;background:var(--catalog-surface);border:1px solid var(--catalog-border);border-radius:var(--catalog-radius);transition:border-color .15s ease,background-color .15s ease}
.research-card__link{display:flex;flex-direction:column;width:100%;padding:20px;border-radius:var(--catalog-radius)}
.research-card:hover{border-color:var(--catalog-accent)}
.research-card:hover h2{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}
.research-card__link:active{background:var(--catalog-bg)}
.research-card__cover{aspect-ratio:16/9;overflow:hidden;background:#14245F;border-radius:4px}
.research-card__cover img{width:100%;height:100%;object-fit:contain}
.research-card__body{display:flex;flex-direction:column;flex:1;padding:22px 4px 0}
.research-card__niche{margin:0 0 12px;color:var(--catalog-accent);font-size:14px;line-height:20px}
.research-card h2{min-height:56px;margin:0 0 12px;font-size:22px;line-height:28px;font-weight:600;letter-spacing:-.02em;text-wrap:pretty;overflow-wrap:break-word}
.research-card__description{margin:0;color:var(--catalog-muted);font-size:16px;line-height:25px}
.research-card__footer{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:24px}
.research-card time{font-size:14px;line-height:20px;color:var(--catalog-muted)}
.research-card__arrow{display:flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;border-radius:var(--catalog-radius);color:var(--catalog-accent);transition:background-color .15s ease}
.research-card:hover .research-card__arrow,.research-card__link:focus-visible .research-card__arrow{background:var(--catalog-border)}

.catalog-footer{border-top:1px solid var(--catalog-border);color:var(--catalog-muted)}
.catalog-footer__row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 32px;padding-block:24px}
.catalog-footer p{margin:0;font-size:14px;line-height:22px}
.catalog-footer nav{display:flex;align-items:center;flex-wrap:wrap;gap:4px 24px}
.catalog-footer a{display:flex;align-items:center;min-height:44px;font-size:14px;line-height:22px}
.catalog-footer a:hover{color:var(--catalog-text);text-decoration:underline;text-underline-offset:4px}

@media(max-width:1023px){
  .catalog-nav{display:none}
  .catalog-menu{display:block}
  .catalog-menu summary{display:flex;align-items:center;min-height:44px;padding:10px 14px;border:1px solid var(--catalog-border);border-radius:var(--catalog-radius);list-style:none;cursor:pointer;font-size:14px}
  .catalog-menu summary::-webkit-details-marker{display:none}
  .catalog-menu[open] summary{color:var(--catalog-accent)}
  .catalog-menu__nav{position:absolute;top:100%;left:0;right:0;display:grid;padding:12px 32px 20px;background:var(--catalog-bg);border-bottom:1px solid var(--catalog-border)}
  .catalog-menu__nav a{display:flex;align-items:center;min-height:48px;padding-block:10px;font-size:16px;color:var(--catalog-muted)}
  .catalog-main{padding-top:40px}
  .catalog-intro h1{font-size:44px}
  .research-card__link{padding:16px}
  .research-card__body{padding-inline:0}
}
@media(max-width:767px){
  html{scroll-padding-top:80px}
  .catalog-wrap{width:calc(100% - 32px)}
  .catalog-header__row{min-height:64px;gap:16px}
  .catalog-brand{font-size:18px}
  .catalog-menu__nav{padding-inline:16px}
  .catalog-main{padding-top:32px;padding-bottom:48px}
  .catalog-intro{margin-bottom:28px}
  .catalog-intro h1{font-size:36px;line-height:1.15}
  .catalog-intro p{font-size:16px;line-height:25px}
  .research-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .research-card__body{padding-top:20px}
  .research-card h2{min-height:0;font-size:20px;line-height:26px}
  .research-card__footer{padding-top:20px}
  .catalog-footer__row{align-items:flex-start;gap:16px}
  .catalog-footer nav{align-items:flex-start;flex-direction:column;gap:0}
}
@media(prefers-reduced-motion:reduce){
  .research-card,.research-card__arrow{transition:none}
}