:root{--kc-navy:#041533;--kc-blue:#1557ff;--kc-accent:#53a6ff;--kc-pale:#eef4ff;--kc-bg:#f8fbff;--kc-ink:#0f172a;--kc-body:#667085;--kc-line:#dce5f2;--kc-white:#fff}
.kc-page{background:var(--kc-white);color:var(--kc-ink)}
.kc-article-card[hidden],.kc-empty[hidden]{display:none!important}
.kc-container{width:min(1180px,calc(100% - 48px));margin:0 auto}
.kc-visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.kc-hero{position:relative;overflow:hidden;padding:168px 0 112px;background:radial-gradient(circle at 78% 20%,rgba(83,166,255,.2),transparent 30%),linear-gradient(135deg,#041533 0%,#081d49 62%,#0b2c68 100%);color:#fff}
.kc-hero:after{content:"";position:absolute;inset:auto -8% -55% 38%;height:420px;border:1px solid rgba(141,182,255,.22);border-radius:50%;transform:rotate(-10deg)}
.kc-hero-inner{position:relative;z-index:1;max-width:900px;text-align:center}
.kc-eyebrow,.kc-kicker,.kc-tag{display:inline-flex;align-items:center;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.kc-eyebrow{color:#b9d4ff;margin-bottom:22px}.kc-eyebrow:before{content:"";width:7px;height:7px;margin-right:9px;border-radius:50%;background:var(--kc-accent);box-shadow:0 0 18px var(--kc-accent)}
.kc-hero h1{max-width:850px;margin:0 auto 22px;font-family:var(--sb-font-display);font-size:clamp(42px,5.8vw,72px);font-weight:700;line-height:1.04;letter-spacing:-.045em;color:#fff}
.kc-hero p{max-width:720px;margin:0 auto 38px;font-size:18px;line-height:1.7;color:#cbd8ed}
.kc-browse-button{display:inline-flex;align-items:center;gap:10px;padding:15px 22px;border:1px solid rgba(255,255,255,.28);border-radius:12px;background:#fff;color:var(--kc-navy);font-size:14px;font-weight:700;text-decoration:none;box-shadow:0 16px 40px rgba(0,0,0,.2)}.kc-browse-button:hover{background:#eef4ff;color:var(--kc-blue)}
.kc-search{position:relative;display:block;max-width:680px;margin:auto}.kc-search svg{position:absolute;left:20px;top:50%;width:22px;transform:translateY(-50%);fill:none;stroke:#667085;stroke-width:1.8}
.kc-search input{width:100%;height:66px;padding:0 24px 0 58px;border:1px solid rgba(255,255,255,.3);border-radius:16px;background:#fff;box-shadow:0 22px 60px rgba(0,0,0,.24);font-size:16px;color:var(--kc-ink);outline:none}.kc-search input:focus{border-color:#8db6ff;box-shadow:0 0 0 4px rgba(83,166,255,.18),0 22px 60px rgba(0,0,0,.24)}
.kc-section{padding:88px 0}.kc-topics{background:var(--kc-bg)}.kc-section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:34px}.kc-kicker{color:var(--kc-blue);margin-bottom:10px}.kc-section h2,.kc-library-head h2{margin:0 0 10px;font-family:var(--sb-font-display);font-size:36px;line-height:1.16;color:var(--kc-ink)}.kc-section-heading p{margin:0;color:var(--kc-body)}
.kc-topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kc-topic-card{appearance:none;text-align:left;padding:28px;border:1px solid var(--kc-line);border-radius:18px;background:#fff;cursor:pointer;transition:transform .2s,border-color .2s,box-shadow .2s}.kc-topic-card:hover,.kc-topic-card:focus-visible{transform:translateY(-3px);border-color:#8db6ff;box-shadow:0 18px 44px rgba(4,21,51,.1)}.kc-topic-icon{display:grid;place-items:center;width:40px;height:40px;margin-bottom:20px;border-radius:12px;background:var(--kc-pale);color:var(--kc-blue);font-weight:800}.kc-topic-card strong{display:block;margin-bottom:9px;font-size:18px;color:var(--kc-ink)}.kc-topic-card>span:not(.kc-topic-icon){display:block;min-height:48px;font-size:14px;line-height:1.65;color:var(--kc-body)}.kc-topic-card small{display:block;margin-top:18px;color:var(--kc-blue);font-weight:700}
.kc-library{background:#fff}.kc-library-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:26px}.kc-library-head p{margin:0;color:var(--kc-body)}.kc-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}.kc-filter{padding:10px 15px;border:1px solid var(--kc-line);border-radius:999px;background:#fff;color:#475467;font-size:13px;font-weight:700;cursor:pointer}.kc-filter span{margin-left:5px;opacity:.65}.kc-filter:hover,.kc-filter.is-active{border-color:var(--kc-blue);background:var(--kc-blue);color:#fff}
.kc-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.kc-article-card{display:flex;flex-direction:column;min-height:280px;padding:28px;border:1px solid var(--kc-line);border-radius:18px;background:#fff;box-shadow:0 8px 30px rgba(15,23,42,.04)}.kc-tag{align-self:flex-start;padding:7px 10px;border-radius:8px;background:var(--kc-pale);color:var(--kc-blue)}.kc-article-card h3{margin:20px 0 12px;font-size:21px;line-height:1.3}.kc-article-card h3 a{color:var(--kc-ink);text-decoration:none}.kc-article-card h3 a:hover{color:var(--kc-blue)}.kc-article-card p{margin:0 0 24px;color:var(--kc-body);font-size:14px;line-height:1.7}.kc-card-meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:13px;color:#98a2b3}.kc-card-meta a{font-weight:700;color:var(--kc-blue);text-decoration:none}.kc-empty{text-align:center;padding:54px;border:1px dashed var(--kc-line);border-radius:18px}.kc-empty button{border:0;background:none;color:var(--kc-blue);font-weight:700;cursor:pointer}
.kc-article-hero{position:relative;padding:122px 0 58px;background:linear-gradient(180deg,#f4f7fc 0%,#fff 100%);border-bottom:1px solid #edf1f7}.kc-article-shell{width:min(860px,calc(100% - 48px));margin:0 auto}.kc-breadcrumb{display:flex;gap:10px;margin-bottom:34px;font-size:13px;color:#98a2b3}.kc-breadcrumb a{color:var(--kc-blue);text-decoration:none}.kc-article-hero .kc-tag{margin-bottom:18px}.kc-article-hero h1{max-width:850px;margin:0 0 18px;font-family:var(--sb-font-display);font-size:clamp(40px,4.35vw,54px);font-weight:700;line-height:1.08;letter-spacing:-.038em;color:var(--kc-ink)}.kc-article-hero p{max-width:790px;margin:0;color:var(--kc-body);font-size:18px;line-height:1.65}.kc-article-meta{display:flex;gap:20px;margin-top:22px;color:#8b98ad;font-size:13px}.kc-article-meta span+span{position:relative;padding-left:20px}.kc-article-meta span+span:before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:#b7c3d5;transform:translateY(-50%)}.kc-article-body{padding:34px 0 92px}.kc-answer{padding:24px 28px;margin-bottom:40px;border:1px solid #cbdcff;border-left:4px solid var(--kc-blue);border-radius:14px;background:#f2f6ff;font-size:17px;line-height:1.65;color:#24447f;box-shadow:0 10px 30px rgba(21,87,255,.05)}.kc-article-body section{margin-top:44px}.kc-article-body h2{margin:0 0 16px;font-family:var(--sb-font-display);font-size:28px;color:var(--kc-ink)}.kc-article-body p,.kc-article-body li{font-size:16px;line-height:1.8;color:#475467}.kc-steps{padding:0;list-style:none;counter-reset:steps}.kc-steps li{position:relative;padding:18px 20px 18px 58px;margin-bottom:12px;border:1px solid var(--kc-line);border-radius:14px}.kc-steps li:before{counter-increment:steps;content:counter(steps);position:absolute;left:18px;top:17px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--kc-blue);color:#fff;font-size:12px;font-weight:700}.kc-source-box{padding:24px 26px;border-radius:16px;background:var(--kc-bg);border:1px solid var(--kc-line)}.kc-source-box h2{font-size:21px}.kc-source-box p{font-size:13px}.kc-source-box ul{padding-left:20px;margin-bottom:0}.kc-source-box a{color:var(--kc-blue)}.kc-disclaimer{margin-top:24px;font-size:13px!important;color:#98a2b3!important}
.kc-article-nav{display:grid;grid-template-columns:minmax(220px,.7fr) minmax(440px,1.3fr);gap:16px;width:min(1080px,calc(100vw - 48px));margin:0 0 34px 50%;transform:translateX(-50%)}.kc-article-nav a{box-sizing:border-box;min-height:78px;border-radius:14px;text-decoration:none;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,background .2s ease}.kc-article-nav-back{display:flex;align-items:center;gap:13px;padding:18px 22px;border:1px solid #cbd8ec;background:#fff;color:#174ea6;font-size:14px;font-weight:800;box-shadow:0 7px 20px rgba(4,21,51,.05)}.kc-article-nav-back span{display:grid;place-items:center;flex:0 0 34px;width:34px;height:34px;border-radius:50%;background:var(--kc-pale);font-size:18px}.kc-article-nav-next{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:15px 22px;border:1px solid #173b78;background:linear-gradient(135deg,#041533,#0b2c68);color:#fff;box-shadow:0 12px 28px rgba(4,21,51,.16)}.kc-article-nav-next>span:last-child{display:grid;place-items:center;flex:0 0 38px;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.12);font-size:20px}.kc-article-nav-copy{display:grid;gap:4px;min-width:0}.kc-article-nav-copy small{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#8db6ff}.kc-article-nav-copy strong{font-size:15px;line-height:1.35;color:#fff}.kc-article-nav a:hover{transform:translateY(-2px);border-color:#7faeff;box-shadow:0 15px 34px rgba(21,87,255,.15)}.kc-article-nav-back:hover{background:#f8fbff}.kc-article-nav-next:hover{background:linear-gradient(135deg,#082251,#10408f)}.kc-article-nav a:focus-visible{outline:3px solid rgba(21,87,255,.28);outline-offset:3px}
.kc-cta{padding:70px 0;background:radial-gradient(circle at 82% 25%,rgba(83,166,255,.19),transparent 28%),var(--kc-navy)}.kc-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px}.kc-cta h2{max-width:700px;margin:0 0 10px;font-family:var(--sb-font-display);font-size:34px;line-height:1.2;color:#fff}.kc-cta p{margin:0;color:#b7c6df}.kc-cta .bb-btn-copper{flex:0 0 auto;color:#fff!important}
@media(max-width:900px){.kc-topic-grid,.kc-article-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.kc-article-nav{grid-template-columns:1fr;width:min(100vw - 32px,560px);gap:10px;margin-bottom:28px}.kc-article-nav a{min-height:66px}.kc-article-nav-next{padding:14px 18px}.kc-article-nav-copy strong{font-size:14px}}
@media(max-width:640px){.kc-container,.kc-article-shell{width:min(100% - 32px,1180px)}.kc-hero{padding:120px 0 78px}.kc-hero h1{font-size:40px}.kc-hero p{font-size:16px}.kc-search input{height:58px}.kc-section{padding:64px 0}.kc-topic-grid,.kc-article-grid{grid-template-columns:1fr}.kc-topic-card>span:not(.kc-topic-icon){min-height:0}.kc-library-head,.kc-cta-inner{display:block}.kc-library-head p{margin-top:6px}.kc-cta .bb-btn-copper{margin-top:26px}.kc-article-hero{padding:104px 0 42px}.kc-article-hero h1{font-size:36px}.kc-article-hero p{font-size:16px}.kc-article-meta{display:flex;flex-wrap:wrap;gap:8px 14px}.kc-article-meta span+span{padding-left:14px}.kc-answer{padding:20px;font-size:16px}.kc-article-body{padding-top:26px}.kc-steps li{padding-right:15px}}
@media(prefers-reduced-motion:reduce){.kc-topic-card{transition:none}}
.kc-topics{padding-top:150px}
.kc-topic-card.is-active{transform:translateY(-3px);border-color:var(--kc-blue);box-shadow:0 18px 44px rgba(4,21,51,.1)}
.kc-library-controls{display:flex;align-items:center;gap:16px}.kc-view-all{white-space:nowrap}
@media(max-width:640px){.kc-topics{padding-top:116px}.kc-library-controls{align-items:flex-end;flex-direction:column;gap:8px}}
.kc-related{padding:26px;border:1px solid var(--kc-line);border-radius:16px;background:#fff}.kc-related h2{font-size:21px}.kc-related ul{display:grid;gap:10px;margin:0;padding-left:20px}.kc-related a{color:var(--kc-blue);font-weight:700;text-decoration:none}.kc-related a:hover{text-decoration:underline}
.kc-guide-shot{margin:0 0 46px}.kc-guide-shot img{display:block;width:100%;height:auto;border:1px solid var(--kc-line);border-radius:16px;box-shadow:0 16px 44px rgba(4,21,51,.1)}.kc-guide-shot figcaption{margin-top:10px;color:#98a2b3;font-size:12px;line-height:1.5;text-align:center}