:root{--bg:#090b0b;--surface:#131616;--surface2:#1b2020;--line:#303938;--text:#f2f6ef;--muted:#acb8b5;--subtle:#788580;--lime:#dfff28;--mint:#8ee5c1;--violet:#a8a3ff;--serif:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*,*::before,*::after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;background:var(--bg);color:var(--text);font:400 15px/1.65 var(--serif)}button,input{font:inherit}a{text-decoration:none;color:inherit}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:4px}::selection{background:var(--lime);color:#141714}img{max-width:100%;display:block}.kb-wrap{width:min(1216px,calc(100% - 72px));margin:0 auto}.kb-top{height:80px;border-bottom:1px solid #ffffff18;background:#0b0d0de8;backdrop-filter:blur(18px);position:sticky;top:0;z-index:20}.kb-top-inner{height:100%;display:flex;gap:34px;align-items:center;justify-content:space-between}.kb-brand{display:flex;align-items:center;gap:13px;min-width:0}.kb-brand img{width:174px;height:auto}.kb-brand i{height:24px;width:1px;background:#54605d}.kb-brand b{font-size:11px;letter-spacing:.12em;text-transform:uppercase;white-space:nowrap;color:var(--lime)}.kb-links{display:flex;gap:24px;align-items:center;font-size:12px;font-weight:650;color:#b7c1bc}.kb-links a:hover,.kb-links a[aria-current="page"]{color:var(--lime)}.kb-header-action{font-size:12px;font-weight:700;border:1px solid #5b6b62;padding:10px 18px;border-radius:999px;white-space:nowrap}.kb-header-action:hover{background:var(--lime);color:#0b0d0b;border-color:var(--lime)}.kb-mobile-button{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:none;color:var(--text);font-size:22px}.kb-mobile-links{display:none;background:#131716;position:absolute;top:79px;left:0;right:0;border-bottom:1px solid var(--line);padding:18px 26px;box-shadow:0 20px 50px #0009}.kb-mobile-links.open{display:grid;gap:8px}.kb-mobile-links a{display:block;padding:11px 7px;font-weight:700}.kb-skip{position:absolute;top:-100px;left:20px;background:var(--lime);color:#090b09;padding:10px 18px;z-index:99}.kb-skip:focus{top:12px}
.kb-pill{display:inline-flex;gap:8px;align-items:center;font-size:11px;font-weight:800;letter-spacing:.125em;text-transform:uppercase;color:var(--lime)}.kb-pill::before{content:"";width:7px;height:7px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px #dfff2818}.kb-hero{position:relative;overflow:hidden;padding:92px 0 92px;background:radial-gradient(circle at 79% 21%,#dfff2812,transparent 29%),radial-gradient(circle at 57% 68%,#9c96ff12,transparent 33%)}.kb-hero:after{position:absolute;content:"";inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:76px 76px;mask-image:linear-gradient(90deg,transparent,black 55%,transparent);pointer-events:none}.kb-hero-grid{display:grid;grid-template-columns:1.12fr .88fr;align-items:center;gap:65px;position:relative;z-index:1}.kb-hero h1,.kb-article-hero h1{font-size:clamp(50px,6vw,84px);line-height:1.025;letter-spacing:-.075em;font-weight:850;margin:24px 0 22px}.kb-hero h1 em{font-style:normal;color:var(--lime)}.kb-lead{max-width:580px;color:#b7c2bf;font-size:17px;line-height:1.8}.kb-hero-stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:41px}.kb-hero-stats strong{display:block;font-size:29px;letter-spacing:-.055em}.kb-hero-stats span{color:#8f9b96;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.kb-hero-show{border:1px solid #495850;border-radius:22px;background:linear-gradient(145deg,#1b2420,#101313);padding:24px;box-shadow:0 48px 110px #0009;transform:rotate(2deg);max-width:460px;margin-left:auto;width:100%}.kb-show-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #ffffff1c;padding-bottom:18px}.kb-show-top span{font-size:11px;letter-spacing:.12em;color:#9ea9a4;font-weight:800}.kb-show-top b{font-size:11px;color:var(--lime)}.kb-show-body h2{font-size:68px;line-height:1;letter-spacing:-.085em;margin:27px 0 7px}.kb-show-body>small{color:#9fabaa}.kb-mini-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;padding:4px;border-radius:12px;background:#080d0b;margin-top:30px}.kb-mini-tabs button{border:0;background:none;color:#98a6a0;font-size:10px;border-radius:8px;padding:10px 3px;font-weight:750}.kb-mini-tabs button[aria-selected="true"]{background:var(--lime);color:#151a0a}.kb-mini-pane{line-height:1.8;color:#cfd9d4;min-height:113px;margin:17px 1px 0;font-size:13px}.kb-mini-formula{display:flex;justify-content:space-between;align-items:center;gap:10px;border-top:1px solid #ffffff20;padding-top:16px;color:#9faea5;font-size:11px}.kb-mini-formula b{font-size:12px;color:#e9f2d9}
.kb-directory{padding:78px 0 112px;border-top:1px solid #ffffff18}.kb-section-title{display:flex;justify-content:space-between;gap:22px;align-items:end;margin-bottom:26px}.kb-section-title h2{font-size:clamp(32px,4.5vw,55px);letter-spacing:-.06em;line-height:1.08;margin:9px 0 0}.kb-section-title p{max-width:325px;margin:0;color:var(--muted);font-size:13px}.kb-search-wrap{position:relative}.kb-search-wrap svg{position:absolute;left:21px;top:20px;color:#b8c2b7;pointer-events:none}.kb-search{width:100%;background:#171d1b;color:var(--text);border:1px solid #41504a;border-radius:14px;padding:20px 20px 20px 58px;font-size:15px}.kb-search::placeholder{color:#86958e}.kb-search:focus{border-color:var(--lime);outline:0;box-shadow:0 0 0 3px #dfff2822}.kb-filter-row{margin:18px 0 22px;display:flex;align-items:center;flex-wrap:wrap;gap:8px}.kb-filter{border:1px solid #35413c;border-radius:999px;background:transparent;padding:8px 14px;color:#b4c0b8;font-size:12px;font-weight:700}.kb-filter:hover,.kb-filter[aria-pressed="true"]{background:var(--lime);border-color:var(--lime);color:#101610}.kb-count-row{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid #2e3934;padding:12px 0 17px;margin-bottom:19px;color:#8e9a94;font-size:12px}.kb-count-row a{color:#c9dbb4;text-decoration:underline;text-underline-offset:4px}.kb-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.kb-card{display:flex;flex-direction:column;min-height:220px;border:1px solid #303a36;border-radius:15px;padding:24px;background:linear-gradient(155deg,#171c1a,#121615);transition:.2s ease;transition-property:transform,border-color,background}.kb-card[hidden]{display:none}.kb-card:hover{transform:translateY(-4px);border-color:#95ac4a;background:linear-gradient(155deg,#1d2920,#151b17)}.kb-card-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.kb-card-top span{color:var(--mint);font-size:10px;text-transform:uppercase;letter-spacing:.12em;font-weight:800}.kb-card-top b{font-size:10px;color:#b7c5bb;border:1px solid #405047;padding:3px 9px;border-radius:999px;white-space:nowrap}.kb-card h3{font-size:21px;letter-spacing:-.035em;line-height:1.2;margin:24px 0 9px}.kb-card p{color:#aab8af;font-size:12px;line-height:1.7;margin:0 0 22px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.kb-card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:13px;border-top:1px solid #ffffff10;font-size:11px;color:#839387}.kb-card-foot strong{font-weight:700;color:var(--lime)}.kb-empty{display:none;text-align:center;padding:70px 20px;border:1px dashed #526456;border-radius:16px;color:#b4c0b8}.kb-empty.visible{display:block}.kb-empty button{background:var(--lime);border:0;color:#121612;border-radius:9px;padding:10px 15px;margin-top:12px;font-weight:750}
.kb-article-hero{padding:54px 0 50px;border-bottom:1px solid #2f3a34;position:relative;background:radial-gradient(circle at 88% 12%,#dfff2810,transparent 27%)}.kb-breadcrumb{font-size:12px;color:#87978b;display:flex;gap:12px;align-items:center;flex-wrap:wrap}.kb-breadcrumb a:hover{color:var(--lime)}.kb-article-label{margin-top:66px;color:var(--lime);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.kb-article-hero h1{margin:18px 0 8px;font-size:clamp(48px,6.5vw,78px)}.kb-article-sub{font-size:20px;color:#a8b8ae;max-width:730px;margin:0 0 26px}.kb-meta{display:flex;flex-wrap:wrap;gap:9px}.kb-meta span{border:1px solid #4a594b;color:#c3d2c4;border-radius:100px;font-size:11px;font-weight:700;padding:6px 12px}.kb-article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:35px;padding:54px 0 100px;align-items:start}.kb-primary{min-width:0}.kb-box{background:linear-gradient(160deg,#171f1b,#121613);border:1px solid #35423a;border-radius:18px;padding:31px;margin-bottom:22px}.kb-box-eyebrow{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--lime);font-weight:800;margin-bottom:10px}.kb-box h2{font-size:30px;letter-spacing:-.045em;line-height:1.17;margin:0 0 15px}.kb-copy{font-size:16px;line-height:1.85;color:#e1e7e0}.kb-copy p{margin:0}.kb-tabs{display:flex;flex-wrap:wrap;gap:6px;background:#0b0f0d;border:1px solid #2a372f;padding:5px;border-radius:12px;margin:23px 0}.kb-tab{flex:1;min-width:104px;border:0;border-radius:8px;background:transparent;color:#a4b1a7;font-size:12px;font-weight:750;padding:12px 9px;white-space:nowrap}.kb-tab[aria-selected="true"]{background:var(--lime);color:#111610}.kb-panel{background:#1b2420;border:1px solid #35473a;border-radius:12px;padding:25px;color:#e8f0e8;min-height:150px;font-size:16px;line-height:1.8}.kb-panel[hidden]{display:none}.kb-panel h3{font-size:12px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#abed9d;margin:0 0 12px}.kb-panel p{margin:0}.kb-caption{color:#819084;font-size:11px;margin:16px 0 0}.kb-formula-box{padding:20px 22px;border:1px solid #4b6144;background:#dfff2810;border-radius:12px;margin:18px 0 0}.kb-formula-box span{display:block;color:var(--lime);letter-spacing:.12em;font-weight:800;text-transform:uppercase;font-size:10px;margin-bottom:8px}.kb-formula-box strong{display:block;font-size:17px;letter-spacing:-.01em;overflow-wrap:anywhere}.kb-insight-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.kb-insight{background:#151a18;border:1px solid #334037;border-radius:14px;padding:24px;margin-bottom:22px}.kb-insight h2{font-size:15px;margin:0 0 10px;color:#dfff28}.kb-insight p{font-size:13px;line-height:1.75;color:#c1cdc2;margin:0}.kb-calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:21px}.kb-calc-grid label{display:block;font-size:12px;color:#c0cfc3;font-weight:750}.kb-calc-grid input{display:block;width:100%;background:#101612;border:1px solid #4a5d4a;color:white;border-radius:8px;margin-top:8px;padding:12px 14px;font-size:16px}.kb-calc-result{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #394a3c;padding-top:22px;margin-top:22px}.kb-calc-result small{display:block;font-size:11px;font-weight:750;text-transform:uppercase;color:#a1aca2}.kb-calc-result strong{font-size:29px;letter-spacing:-.045em;color:var(--lime);overflow-wrap:anywhere}.kb-calc-note{font-size:11px;color:#8ea18e;margin-top:12px}.kb-side{position:sticky;top:105px}.kb-side-box{padding:22px;border:1px solid #334138;border-radius:15px;background:#111714;margin-bottom:15px}.kb-side-box h2{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#d3e9d2;margin:0 0 16px}.kb-side-box ul{padding:0;margin:0;list-style:none}.kb-side-box li{padding:9px 0;border-top:1px solid #29352d;font-size:12px;overflow-wrap:anywhere}.kb-side-box li:first-child{border:0}.kb-side-box a{color:#b8dabb}.kb-side-box a:hover{color:var(--lime)}.kb-source{font-size:11px;color:#afbcaf;line-height:1.7;overflow-wrap:anywhere}.kb-side-note{font-size:11px;color:#7c9182;line-height:1.6;margin:8px 0 0}.kb-related{padding-top:25px;border-top:1px solid #344139}.kb-related h2{margin:0 0 16px;font-size:25px;letter-spacing:-.04em}.kb-related-links{display:flex;gap:9px;flex-wrap:wrap}.kb-related-links a{border:1px solid #415343;border-radius:9px;padding:10px 13px;font-size:12px;font-weight:750;color:#dceada}.kb-related-links a:hover{border-color:var(--lime);color:var(--lime)}
.kb-bottom-cta{border-top:1px solid #344036;background:linear-gradient(110deg,#202d1b,#101514);padding:60px 0}.kb-bottom-cta .kb-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px}.kb-bottom-cta h2{font-size:clamp(28px,4vw,45px);line-height:1.08;letter-spacing:-.055em;max-width:620px;margin:10px 0}.kb-bottom-cta p{color:#aab5a5;margin:0}.kb-cta{padding:15px 24px;background:var(--lime);border-radius:999px;color:#11180b;font-weight:800;font-size:12px;white-space:nowrap}.kb-cta:hover{background:#f0ff9a}.kb-footer{border-top:1px solid #2d3932;padding:36px 0 28px;color:#a0aaa1;font-size:12px}.kb-footer-inner{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}.kb-footer img{width:160px}.kb-footer nav{display:flex;flex-wrap:wrap;gap:16px}.kb-footer nav a:hover{color:var(--lime)}.kb-copyright{font-size:11px;color:#728476;margin-top:20px}
@media(max-width:1130px){.kb-hero-grid{gap:22px}.kb-links{gap:13px}.kb-header-action{display:none}}@media(max-width:950px){.kb-article-layout{grid-template-columns:1fr}.kb-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:14px}.kb-side-box{margin:0}.kb-links{display:none}.kb-mobile-button{display:block}.kb-hero-grid{grid-template-columns:1fr}.kb-hero-show{margin:35px auto 0;transform:none;width:min(100%,550px)}.kb-hero{padding:72px 0}.kb-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.kb-wrap{width:calc(100% - 36px)}.kb-top{height:72px}.kb-brand{gap:9px}.kb-brand img{width:137px}.kb-brand i{height:19px}.kb-brand b{font-size:9px}.kb-mobile-links{top:71px}.kb-hero{padding:57px 0 66px}.kb-hero h1,.kb-article-hero h1{font-size:49px}.kb-lead{font-size:14px}.kb-hero-stats{gap:24px}.kb-hero-stats strong{font-size:23px}.kb-hero-show{padding:18px}.kb-mini-tabs button{font-size:9px}.kb-directory{padding:58px 0 72px}.kb-section-title{display:block}.kb-section-title p{margin-top:13px}.kb-card-grid{grid-template-columns:1fr}.kb-card{min-height:190px}.kb-article-hero{padding:40px 0}.kb-article-label{margin-top:39px}.kb-article-hero h1{font-size:45px;overflow-wrap:anywhere}.kb-article-sub{font-size:16px}.kb-article-layout{padding:32px 0 70px;gap:15px}.kb-box{padding:21px}.kb-box h2{font-size:25px}.kb-tabs{display:grid;grid-template-columns:repeat(2,1fr)}.kb-tab{min-width:0}.kb-panel{padding:18px;font-size:14px}.kb-insight-row,.kb-calc-grid,.kb-side{grid-template-columns:1fr}.kb-insight{margin-bottom:0}.kb-insight-row{margin-bottom:20px}.kb-calc-result strong{font-size:25px}.kb-bottom-cta .kb-wrap{display:block}.kb-cta{display:inline-block;margin-top:20px}.kb-footer nav{gap:12px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* v54: 7 primary page destinations; comfortable touch navigation */
.kb-links{gap:clamp(9px,1vw,16px);font-size:11px;white-space:nowrap}
@media(max-width:1300px){.kb-top-inner{gap:16px}.kb-links{display:none}.kb-header-action{display:none}.kb-mobile-button{display:block;margin-left:auto}.kb-mobile-links{max-height:calc(100dvh - 80px);overflow-y:auto}}
@media(max-width:600px){.kb-mobile-links{max-height:calc(100dvh - 72px)}.kb-mobile-links a{min-height:44px;display:flex;align-items:center}.kb-top-inner{gap:12px}}