:root{--teal:#00475C;--teal-2:#0f6076;--ink:#173f4d;--text:#315967;--muted:#708690;--line:#d6e1e5;--soft:#eef4f6;--paper:#fbfcfd;--accent:#BFD662}
*{box-sizing:border-box}html,body{margin:0;min-height:100%}
body{font-family:Manrope,Inter,Arial,sans-serif;color:var(--ink);background:#f3f7f8;display:flex;flex-direction:column;min-height:100vh}
main{flex:1 0 auto}
.terminal-nav{width:min(790px,calc(100vw - 48px));margin:36px auto 18px;display:grid;grid-template-columns:auto 1fr auto auto;align-items:center;gap:14px}
.terminal-home{min-height:34px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border:1.5px solid rgba(0,71,92,.55);border-radius:8px;background:rgba(255,255,255,.72);color:var(--teal);font-size:16px;font-weight:750;font-family:Manrope,Inter,Arial,sans-serif;text-decoration:none;white-space:nowrap}
.terminal-home:hover,.terminal-home:focus-visible{background:#fff;border-color:var(--teal)}
.terminal-menu-icon{width:14px;height:10px;display:flex;flex-direction:column;justify-content:space-between}
.terminal-menu-icon i{display:block;height:1.5px;border-radius:2px;background:var(--teal)}
.terminal-nav-line{height:1px;background:var(--teal)}
.terminal-exit{color:var(--teal);font-size:16px;font-weight:400;font-family:Manrope,Inter,Arial,sans-serif;text-decoration:none;white-space:nowrap}
.terminal-exit:hover,.terminal-exit:focus-visible{text-decoration:underline}
.terminal-footer{width:min(750px,calc(100vw - 48px));margin:40px auto 14px;display:flex;align-items:center;gap:16px;color:var(--teal);font-size:17px;font-family:Manrope,Inter,Arial,sans-serif}
.terminal-footer a{font-weight:600}
.terminal-footer-brand{font-weight:800}
.terminal-footer a{color:inherit;text-decoration:none;white-space:nowrap}
.terminal-footer a:hover{text-decoration:underline}
.terminal-footer-line{height:1px;background:var(--teal);flex:1}
.terminal-footer-brand{white-space:nowrap}
.stage{width:min(790px,calc(100vw - 48px));margin:0 auto 48px}
.catalog-intro{margin:0 14px 14px;padding:0 2px}
.catalog-intro h1{margin:0 0 4px;font-family:Georgia,"Times New Roman",serif;font-size:23px;line-height:1.15;color:var(--teal)}
.catalog-intro p{margin:0;max-width:620px;color:var(--text);font-size:13px;line-height:1.45}
.terminal-filters{display:flex;flex-wrap:wrap;gap:7px;margin:0 14px 16px;padding:0 2px}
.terminal-filter{border:1px solid #d4dee2;border-radius:999px;background:#fff;color:var(--teal);padding:8px 13px;font:600 13px Manrope,Inter,Arial,sans-serif;cursor:pointer}
.terminal-filter[aria-pressed="true"]{background:var(--teal);border-color:var(--teal);color:#fff}
.terminal-empty{padding:20px 0;color:var(--muted);font-size:14px}
.article-card[hidden],.terminal-empty[hidden],.article-step[hidden]{display:none!important}
.terminal-status{width:min(750px,calc(100vw - 48px));margin:0 auto;color:#9c3b3b;font-size:13px}
.site-lang{display:inline-flex;align-items:center;height:30px;border:1.5px solid rgba(0,71,92,.55);border-radius:8px;overflow:hidden;background:transparent}
.site-lang-seg{height:100%;display:inline-flex;align-items:center;padding:0 10px;border:0;background:transparent;color:#00475c;font-size:12px;font-weight:800;line-height:1;letter-spacing:.02em}
.site-lang a{text-decoration:none}.site-lang-seg--disabled{opacity:.38;cursor:not-allowed}
.site-lang-seg + .site-lang-seg{border-left:1px solid rgba(0,71,92,.35)}
.site-lang-seg--active{background:#3d5f6b;color:#f3f7f8}
.site-lang-seg--active + .site-lang-seg{border-left-color:transparent}
.catalog-grid{display:grid;grid-template-columns:repeat(3,250px);gap:20px}
.article-card{position:relative;display:block;width:250px;aspect-ratio:250/290;border:1px solid rgba(0,71,92,.14);border-radius:15px;overflow:hidden;text-decoration:none;color:inherit;background:linear-gradient(145deg,rgba(238,243,245,.98),rgba(207,218,222,.98));box-shadow:0 8px 22px rgba(24,57,68,.06);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.article-card:hover{transform:translateY(-2px);border-color:rgba(0,71,92,.28);box-shadow:0 12px 28px rgba(22,44,53,.10)}
.article-card::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.90) 0%,rgba(255,255,255,.62) 30%,rgba(255,255,255,0) 62%)}
.card-copy{position:absolute;z-index:2;inset:0;padding:16px 15px}
.card-kicker{position:absolute;left:15px;bottom:14px;margin:0;padding-right:36px;font-size:9px;line-height:1.2;font-weight:800;color:#667f88}
.article-card h3{margin:0;font-family:Georgia,"Times New Roman",serif;font-size:18px;line-height:1.18;font-weight:700;color:var(--teal)}
.card-icon{position:absolute;right:13px;bottom:12px;width:26px;height:30px;color:rgba(0,71,92,.24);pointer-events:none;z-index:2}
.sample-note{margin:0 0 14px;padding:8px 12px;border:1px dashed var(--line);border-radius:8px;font-size:11px;color:var(--muted);background:#fff}
.article-shell{grid-column:2;width:100%;min-width:0;margin:0 auto}
.article-context-labels{display:flex;justify-content:flex-end;align-items:center;gap:6px;min-height:24px;margin:0 6px 8px;color:var(--muted)}
.article-context-label{font-size:10px;line-height:1;font-weight:800;letter-spacing:.025em;text-transform:uppercase}
.terminal-swipe-hint{position:fixed;z-index:40;left:50%;bottom:calc(52px + env(safe-area-inset-bottom));transform:translateX(-50%);padding:6px 10px;border-radius:12px;background:#00475c;box-shadow:0 3px 14px rgba(22,44,53,.18);color:#fff;font-size:12px;font-weight:750;white-space:nowrap;pointer-events:none;animation:terminal-swipe-hint 2.8s ease-in-out both}
@keyframes terminal-swipe-hint{0%,100%{opacity:0;filter:blur(7px)}18%,68%{opacity:.9;filter:blur(0)}}
.article-layout{width:min(922px,calc(100vw - 24px));margin:0 auto 32px;display:grid;grid-template-columns:50px minmax(0,790px) 50px;align-items:start;justify-content:center;gap:16px}
.article-step{position:sticky;top:43vh;margin-top:43vh;width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(0,71,92,.4);border-radius:11px;background:transparent;color:var(--teal);font-size:21px;font-family:Manrope,Inter,Arial,sans-serif;cursor:pointer;transform:translateY(var(--side-shift,26px));transition:background-color 170ms ease,border-color 170ms ease,text-shadow 170ms ease}
.article-step--prev{grid-column:1}
.article-step--next{grid-column:3}
.article-step--prev:hover,.article-step--prev:focus-visible{translate:-1px 0}
.article-step--next:hover,.article-step--next:focus-visible{translate:1px 0}
.article-step:hover,.article-step:focus-visible{background:rgba(255,255,255,.62);border-color:rgba(0,71,92,.55);text-shadow:0 1px 2px rgba(0,71,92,.18)}
.article-step:focus-visible,.article-up:focus-visible{outline:2px solid #0b7189;outline-offset:3px}
.article-up{display:block;width:max-content;max-width:calc(100vw - 32px);margin:22px auto 0;padding:10px 16px;border:0;background:transparent;color:var(--teal);font:700 13.5px Manrope,Inter,Arial,sans-serif;letter-spacing:.01em;cursor:pointer}
.article-up:hover,.article-up:focus-visible{color:#0b7189;text-decoration:underline;text-underline-offset:3px}
.paper{background:var(--paper);border-radius:18px;box-shadow:0 30px 70px rgba(22,44,53,.18);padding:30px 32px 22px}
.eyebrow{margin:0 0 8px;font-size:11px;font-weight:850;letter-spacing:.01em;color:#5e7680}
h1.article-title{margin:0 0 12px;font-family:Georgia,"Times New Roman",serif;font-size:32px;line-height:1.06;letter-spacing:-.025em;color:var(--teal)}
.lead{font-size:15px;line-height:1.56;color:#355b68;margin:0 0 6px}
/* Route Page product-style surface typography (shared Route Page contract):
   the H1 reads as product UI, the lead pairs tightly with it. */
.route-page-header h1.article-title{margin:0 0 6px;font-family:Manrope,Inter,Arial,sans-serif;font-size:24px;font-weight:700;line-height:1.2;letter-spacing:0;color:#00475c}
.route-page-header .lead{font-family:Manrope,Inter,Arial,sans-serif;font-size:14.5px;font-weight:500;line-height:1.56;color:#173f4d;margin:0 0 18px}
.summary-box{margin:16px 0;padding:14px 16px;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:10px;background:#fff;font-size:14px;line-height:1.6;color:var(--text)}
.article-body h2{margin:26px 0 10px;font-family:Georgia,"Times New Roman",serif;font-size:22px;line-height:1.16;color:var(--teal)}
.article-body h3{margin:20px 0 8px;font-size:15px;line-height:1.28;color:var(--teal);font-weight:850}
.article-body p{margin:0 0 14px;font-size:14px;line-height:1.62;color:var(--text)}
.article-body a{color:var(--teal-2)}
.article-body img{max-width:100%;border-radius:12px;border:1px solid #cdd8dd;display:block}
.img-caption{margin:6px 0 14px;font-size:10px;line-height:1.42;color:#7a8f96}
.article-body ul,.article-body ol{margin:0 0 14px;padding-left:22px}
.article-body ul li,.article-body ol li{margin:8px 0;font-size:14px;line-height:1.55;color:var(--text)}
.article-body table{margin:18px 0 8px;display:block;max-width:100%;overflow-x:auto}
.article-body caption{margin-bottom:10px;color:var(--teal);font-weight:750;text-align:left;font-size:14px}
.article-chain{margin:22px 0 28px;padding:16px 18px;background:var(--soft);border-left:4px solid var(--accent);font-weight:750;line-height:1.5;color:var(--ink)}
.article-note{margin:-6px 0 28px;font-size:13px;line-height:1.45;color:var(--muted)}
.article-note strong{color:var(--teal);font-weight:800}
.article-cta{margin-top:26px;padding:28px;background:var(--soft);border:1px solid var(--line)}
.article-cta h2{margin:0 0 10px}
.article-cta__actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0 0}
.article-cta-button{display:block;padding:15px 18px;border-radius:8px;text-decoration:none;font-weight:800;text-align:center;transition:.15s ease}
.article-body .article-cta-button--primary{background:var(--teal);color:#fff}
.article-body .article-cta-button--secondary{background:#fff;color:var(--teal);border:1px solid var(--teal)}
.article-cta-button:hover{transform:translateY(-1px)}
@media (max-width:640px){.article-cta__actions{grid-template-columns:1fr}}
.article-quote{margin:28px 0;padding:18px 20px;border-left:4px solid #9C3B3B;background:#FFF5F5;font-size:17px;line-height:1.55;color:#18333C}
.article-quote .attribution{display:block;margin-top:6px;font-family:Manrope,Inter,Arial,sans-serif;font-size:11px;color:var(--muted)}
.facts{margin:18px 0;border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px 16px}
.facts .facts-title{margin:0 0 10px;font-size:12px;font-weight:850;color:var(--teal)}
.facts dl{margin:0}
.facts dt{font-size:11px;color:#738a92;margin-top:8px}
.facts dd{margin:2px 0 0;font-size:13.5px;color:var(--ink);font-weight:650}
.article-table{width:100%;border-collapse:collapse;margin:16px 0 6px;font-size:13px}
.article-table th{border:1px solid var(--line);background:var(--soft);padding:8px 10px;text-align:left;color:var(--teal)}
.article-table td{border:1px solid var(--line);padding:8px 10px;color:var(--text)}
.article-sources{margin:22px 0 0;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:#fff}
.article-sources .sources-title{margin:0 0 8px;font-size:12px;font-weight:850;color:var(--teal)}
.article-sources ul{margin:0;padding-left:18px}
.article-sources li{margin:4px 0;font-size:12.5px;line-height:1.4}
.article-sources a{color:var(--teal-2)}
.tag-row{display:flex;gap:7px;flex-wrap:wrap;margin:14px 0 0}
.tag{font-size:10px;font-weight:800;color:var(--teal);border:1px solid #d4dee2;border-radius:999px;padding:5px 8px;background:#fff}
@media (min-width:761px) and (max-width:850px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-card{width:100%}}
@media (max-width:760px){
  .stage{width:calc(100vw - 32px)}
  .article-shell{width:100%}
  .terminal-nav,.terminal-footer{width:calc(100vw - 32px)}
  .terminal-nav{gap:8px}
  .terminal-home{min-height:30px;padding:0 10px;font-size:12px}
  .terminal-exit{font-size:12px}
  .terminal-footer{gap:8px;font-size:14px}
  .terminal-footer a,.terminal-footer-brand{font-weight:600}
  .terminal-filters{margin:0 8px 14px;gap:6px}
  .catalog-intro{margin:0 8px 12px}
  .catalog-intro h1{font-size:20px}
  .catalog-intro p{font-size:12px}
  .terminal-filter{padding:6px 10px;font-size:12px}
  .catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .article-card{width:100%;height:210px;aspect-ratio:auto;border-radius:12px}
  .article-layout{width:calc(100vw - 32px);grid-template-columns:1fr 1fr;gap:8px}
  .article-shell{grid-column:1/-1;grid-row:1}
  .article-step{display:none}
  .card-copy{padding:12px 11px}
  .card-kicker{left:11px;bottom:10px;padding-right:62px;font-size:8px;line-height:1.25}
  .article-card h3{font-size:13px;line-height:1.2}
  .card-icon{right:8px;bottom:8px;width:52px;height:60px}
  .article-context-labels{margin:0 2px 7px;min-height:20px}
  .paper{padding:20px 14px}
  h1.article-title{font-size:24px}
}
@media (max-width:330px){.catalog-grid{grid-template-columns:1fr}.article-card{height:190px}}
@media (min-width:761px){.terminal-swipe-hint{display:none}}
@media (prefers-reduced-motion:reduce){.terminal-swipe-hint{animation:none;opacity:.9;filter:none}}