/* LAST NATION V10 // public interface; layers over V8 + V9 styles */
:root{--ln10-accent:#adffc6;--ln10-cyan:#56d0ba;--ln10-line:#2e604d}
body.ln10-public{color:#effff6;background:#061411}
body.ln10-public *,body.ln10-public *::before,body.ln10-public *::after{box-sizing:border-box}
.ln10-public :is(a,button,summary,input):focus-visible{outline:2px solid #b7ffd8;outline-offset:3px}
/* Shared desktop navigation: fewer top-level choices, grouped secondary pages */
.ln10-public .ln10-nav-primary{display:flex;align-items:center;flex-wrap:wrap;gap:3px;min-width:0}
.ln10-public .ln10-nav-primary>a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 13px;color:#cce6d8;text-decoration:none;font-size:.86rem;font-weight:780;border-radius:9px;letter-spacing:.01em;white-space:nowrap}
.ln10-public .ln10-nav-primary>a[aria-current="page"],.ln10-public .ln10-nav-primary>a:hover{color:#b4ffd0;background:#183b2c}
.ln10-public .ln10-navgroup{position:relative;align-self:center;flex:none;z-index:60}
.ln10-public .ln10-navgroup>summary{padding:10px 13px;min-height:42px;display:flex;align-items:center;gap:6px;color:#cde8dc;cursor:pointer;list-style:none;border:1px solid transparent;border-radius:9px;font-size:.87rem;font-weight:780}
.ln10-public .ln10-navgroup>summary::-webkit-details-marker{display:none}
.ln10-public .ln10-navgroup>summary span{display:inline-block;color:#8cf0bf;transition:transform .18s}
.ln10-public .ln10-navgroup[open]>summary span{transform:rotate(180deg)}
.ln10-public .ln10-navgroup[open]>summary,.ln10-public .ln10-navgroup>summary:hover{background:#173d2c;border-color:#376e51}
.ln10-public .ln10-subnav{position:absolute;right:0;top:calc(100% + 9px);width:min(460px,calc(100vw - 30px));display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:15px;border:1px solid #3b7860;border-radius:15px;background:#0b241a;box-shadow:0 25px 66px #000b}
.ln10-public .ln10-subset{display:grid;gap:4px;align-content:start;min-width:0}
.ln10-public .ln10-subset>strong{color:#7ecfa6;font-size:.67rem;text-transform:uppercase;letter-spacing:.16em;padding:5px 10px 9px}
.ln10-public .ln10-subset>a{color:#dcf9e9!important;text-decoration:none!important;border-radius:8px;padding:10px 11px!important;font-size:.84rem;font-weight:650;line-height:1.25}
.ln10-public .ln10-subset>a:hover,.ln10-public .ln10-subset>a[aria-current=page]{background:#1d4833;color:#b6ffce!important}
/* Standalone V8 headers get a real mobile menu; do not modify their backend or footer. */
.ln10-public .ln8-top{z-index:70}
.ln10-public .ln8-top nav{min-width:0;gap:4px;flex-wrap:nowrap}
.ln10-public .ln8-top .ln10-nav-primary>a{font-size:.82rem;padding:8px 9px}
.ln10-public .ln8-top .ln10-navgroup>summary{font-size:.82rem;padding:8px 7px}
.ln10-public .ln10-mobile-toggle{display:none;align-items:center;justify-content:center;gap:10px;min-height:42px;padding:9px 12px;border-radius:11px;border:1px solid #427559;background:#113224;color:#f1fff6;font-weight:800;cursor:pointer}
.ln10-public .ln10-mobile-toggle::before{content:'☰';color:#a3ffd0;font-size:1.15rem}
/* Homepage visual hierarchy: compact hero, accessible cards and one relevant competitive CTA */
.ln10-public .ln10-main{background:radial-gradient(ellipse 64% 29% at 90% 0%,#1a5b4651,transparent),#061411}
.ln10-public .ln10-hero{padding:59px 0 38px}
.ln10-public .ln10-hero .ln9-hero-grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(18px,3vw,45px)}
.ln10-public .ln10-hero h1{font-size:clamp(3rem,5.9vw,5.7rem);line-height:1.04;margin:17px 0 16px}
.ln10-public .ln10-hero .ln9-intro{font-size:1.05rem;line-height:1.55;max-width:500px;margin-bottom:24px}
.ln10-public .ln10-cover{max-height:420px;aspect-ratio:1.15/1;border-radius:22px}
.ln10-public .ln10-cover img{object-position:center 34%}
.ln10-public .ln10-subline{font-weight:800;letter-spacing:.15em;font-size:.7rem;color:#749a89;margin:20px 0 0}
.ln10-public .ln10-subline span{padding:0 6px;color:#65c99f}
.ln10-public .ln10-worlds{padding:25px 0 32px}
.ln10-public .ln10-worlds .ln9-heading{margin-bottom:17px}
.ln10-public .ln10-worlds .ln9-heading h2{font-size:clamp(1.7rem,3.5vw,2.65rem)}
.ln10-public .ln10-worlds .ln9-tile{min-height:205px;padding:20px;border-color:#315948;gap:8px;box-shadow:inset 0 1px #73e5a612}
.ln10-public .ln10-worlds .ln9-tile h3{font-size:1.25rem;margin:0}
.ln10-public .ln10-worlds .ln9-tile p{line-height:1.45;margin:0 0 8px}
.ln10-public .ln10-worlds .ln9-tile:focus-visible{outline-offset:4px}
.ln10-public .ln10-match{padding:14px 0 28px}
.ln10-public .ln10-match-grid{display:flex;align-items:center;justify-content:space-between;gap:22px;padding-block:22px;border-top:1px solid #275d44;border-bottom:1px solid #275d44}
.ln10-public .ln10-match h2{font-size:clamp(1.4rem,2.3vw,2.15rem);margin:9px 0 7px;letter-spacing:-.035em}
.ln10-public .ln10-match p{margin:0;max-width:600px;color:#a7c8b5;line-height:1.5;font-size:.93rem}
.ln10-public .ln10-match-links{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.ln10-public .ln10-match-links .ln9-btn{min-height:45px;padding:11px 16px;font-size:.86rem;white-space:nowrap}
.ln10-public .ln10-pulse{padding:10px 0 36px}
.ln10-public .ln10-pulse .ln9-server,.ln10-public .ln10-pulse .ln9-feed{padding:24px}
.ln10-public .ln10-pulse .ln9-server h2,.ln10-public .ln10-pulse .ln9-feed h2{margin:10px 0;font-size:1.55rem}
.ln10-public .ln10-pulse .ln9-feed #ln8-home-topics{min-height:80px}
/* Slightly tighter original V9 secondary pages */
.ln10-public:not(.ln9-home-page) .ln8-cross-card{min-height:106px}
.ln10-public:not(.ln9-home-page) .ln8-cross{margin-top:36px;margin-bottom:28px}
@media(max-width:1120px) and (min-width:921px){
 .ln10-public .ln10-nav-primary>a{padding-inline:8px;font-size:.79rem}
 .ln10-public .ln10-navgroup>summary{padding-inline:8px}
 .ln10-public .ln8-top .ln10-nav-primary>a{padding-inline:6px;font-size:.77rem}
}
@media(max-width:920px){
 /* The existing V9 site-header hamburger continues to control #main-nav. */
 .ln10-public .site-nav .ln10-nav-primary{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}
 .ln10-public .site-nav .ln10-nav-primary>a{white-space:normal;justify-content:flex-start;padding:11px 12px;min-height:43px;font-size:.83rem}
 .ln10-public .site-nav .ln10-navgroup{width:100%;align-self:stretch}
 .ln10-public .site-nav .ln10-navgroup>summary{margin-top:4px;padding:10px 12px;min-height:42px}
 .ln10-public .site-nav .ln10-subnav{position:static;width:100%;padding:11px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;box-shadow:none;margin:5px 0 0}
 .ln10-public .site-nav .ln10-subset>a{padding:9px 6px!important;font-size:.78rem;white-space:normal}
 .ln10-public .site-nav .ln10-subset>strong{padding:4px 6px 8px}
 .ln10-public .ln10-hero .ln9-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,.8fr)}
 .ln10-public .ln10-match-grid{flex-wrap:wrap}
 .ln10-public .ln10-match-links{justify-content:flex-start}
 /* Only on V8's standalone headers: JavaScript-enhanced collapsed mobile navigation. */
 .ln10-public .ln8-top:has(.ln10-mobile-toggle) .ln10-mobile-toggle{display:inline-flex;order:2;margin-left:auto}
 .ln10-public .ln8-top:has(.ln10-mobile-toggle) .ln8-top-cta{order:3;margin:0}
 .ln10-public .ln8-top.ln10-nav-js nav{display:none;order:4;width:100%;background:#0a2119;border:1px solid #2e6249;padding:11px;border-radius:12px}
 .ln10-public .ln8-top.ln10-nav-js.ln10-open nav{display:flex;flex-direction:column;align-items:stretch}
 .ln10-public .ln8-top nav .ln10-nav-primary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;width:100%}
 .ln10-public .ln8-top nav .ln10-navgroup{width:100%;align-self:stretch}
 .ln10-public .ln8-top nav .ln10-subnav{position:static;width:100%;box-shadow:none;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:7px}
 .ln10-public .ln8-top nav .ln10-navgroup>summary{justify-content:flex-start}
}
@media(max-width:700px){
 .ln10-public .ln9-wrap{padding-inline:17px}
 .ln10-public .ln10-hero{padding:28px 0 18px}
 .ln10-public .ln10-hero .ln9-hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:19px}
 .ln10-public .ln10-hero h1{font-size:clamp(2.45rem,10.4vw,4rem);margin:11px 0 13px}
 .ln10-public .ln10-hero .ln9-intro{font-size:.98rem;line-height:1.5;margin-bottom:16px}
 .ln10-public .ln10-hero .ln9-btn{min-height:46px;padding:12px 14px;font-size:.85rem}
 .ln10-public .ln10-subline{margin:15px 0 0;font-size:.62rem}
 .ln10-public .ln10-cover{width:100%;max-width:550px;aspect-ratio:2.25/1;max-height:186px;margin:0;border-radius:14px}
 .ln10-public .ln10-cover img{object-position:center 38%}
 .ln10-public .ln10-cover .ln9-cover-tag{top:9px;left:10px;font-size:.56rem;padding:6px 9px}
 .ln10-public .ln10-worlds{padding:21px 0 18px}
 .ln10-public .ln10-worlds .ln9-heading h2{font-size:1.72rem}
 .ln10-public .ln10-worlds .ln9-heading p{margin-top:5px;font-size:.88rem}
 .ln10-public .ln10-worlds .ln9-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
 .ln10-public .ln10-worlds .ln9-tile{padding:15px 13px;min-height:178px;border-radius:14px;gap:7px}
 .ln10-public .ln10-worlds .ln9-tile-no{font-size:.61rem;letter-spacing:.09em}
 .ln10-public .ln10-worlds .ln9-tile-icon{font-size:1.35rem}
 .ln10-public .ln10-worlds .ln9-tile h3{font-size:1.1rem}
 .ln10-public .ln10-worlds .ln9-tile p{font-size:.78rem;line-height:1.4}
 .ln10-public .ln10-worlds .ln9-tile-arrow{font-size:.75rem}
 .ln10-public .ln10-match{padding:8px 0 15px}
 .ln10-public .ln10-match-grid{padding-block:18px;gap:15px}
 .ln10-public .ln10-match h2{font-size:1.47rem}
 .ln10-public .ln10-match p{font-size:.87rem}
 .ln10-public .ln10-match-links{gap:8px;width:100%}
 .ln10-public .ln10-match-links .ln9-btn{padding:10px 12px;font-size:.8rem;flex:1;white-space:normal;text-align:center}
 .ln10-public .ln10-pulse{padding:5px 0 19px}
 .ln10-public .ln10-pulse .ln9-server,.ln10-public .ln10-pulse .ln9-feed{padding:20px 17px}
 .ln10-public .ln10-pulse .ln9-server h2,.ln10-public .ln10-pulse .ln9-feed h2{font-size:1.42rem}
}
@media(max-width:350px){.ln10-public .ln10-worlds .ln9-grid{grid-template-columns:1fr}.ln10-public .ln10-worlds .ln9-tile{min-height:135px}.ln10-public .ln10-match-links{flex-direction:column}.ln10-public .ln10-cover{aspect-ratio:1.75/1}}
@media(prefers-reduced-motion:reduce){.ln10-public .ln10-navgroup>summary span{transition:none}.ln10-public .ln9-tile{transition:none}}