.sts-app{--sts-ink:#0c1b26;--sts-navy:#09496c;--sts-navy-2:#00689f;--sts-emerald:#00ba84;--sts-emerald-deep:#00966a;--sts-yellow:#fbcd37;--sts-yellow-light:#fff8dd;--sts-gold:var(--sts-yellow);--sts-gold-deep:var(--sts-emerald-deep);--sts-paper:#fdf6ec;--sts-card:#fff;--sts-line:#e2e8f0;--sts-line-strong:#cbd5e1;--sts-muted:#5a6e7d;--sts-light-slate:#9db0bf;--sts-success:#00ba84;--sts-success-bg:#e6f9f1;--sts-alert:#f97071;--sts-alert-bg:#fee8e8;--sts-font-display:"Outfit",system-ui,-apple-system,sans-serif;--sts-font-body:"Outfit",system-ui,-apple-system,sans-serif;--sts-font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--sts-ink);font-family:var(--sts-font-body);-webkit-font-smoothing:antialiased;line-height:1.6}.sts-app h1,.sts-app h2,.sts-app h3,.sts-app h4{font-family:var(--sts-font-display);color:var(--sts-ink);font-weight:600;letter-spacing:-.01em;line-height:1.15}.sts-app .shell-content a:not(.btn){color:var(--sts-navy);text-decoration:underline;text-underline-offset:2px}.sts-app .shell-content a:not(.btn):hover{color:var(--sts-navy-2)}.sts-app :focus-visible{outline:2px solid var(--sts-emerald);outline-offset:2px;border-radius:4px}.sts-app .eyebrow{font-family:var(--sts-font-body);text-transform:uppercase;letter-spacing:.12em;font-size:.8125rem;color:var(--sts-emerald);font-weight:600}.sts-app .eyebrow.is-light{color:hsla(0,0%,100%,.92)}.sts-app .muted{color:var(--sts-muted)}.sts-app .card{background:var(--sts-card);border:1px solid var(--sts-line);border-radius:1.25rem;box-shadow:0 1px 2px rgba(22,34,60,.04),0 18px 40px -28px rgba(22,34,60,.35)}.sts-app .card-pad{padding:1.75rem}.sts-app .btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--sts-font-body);font-weight:600;font-size:.95rem;padding:.7rem 1.4rem;border-radius:.75rem;border:1px solid transparent;cursor:pointer;transition:transform .08s ease,background .15s ease,box-shadow .15s ease;text-decoration:none}.sts-app .btn:active{transform:translateY(1px)}.sts-app .btn:disabled{opacity:.45;cursor:not-allowed}.sts-app .btn-primary{background:var(--sts-navy);color:#fff}.sts-app .btn-primary:hover:not(:disabled){background:var(--sts-navy-2)}.sts-app .btn-gold{background:var(--sts-yellow);color:var(--sts-ink);box-shadow:inset 0 1px 0 rgba(0,0,0,.06)}.sts-app .btn-gold:hover:not(:disabled){box-shadow:0 4px 16px rgba(251,205,55,.35);filter:brightness(1.05)}.sts-app .btn-secondary{background:transparent;color:var(--sts-navy);border:1.5px solid var(--sts-navy)}.sts-app .btn-secondary:hover:not(:disabled){background:var(--sts-navy);color:#fff}.sts-app .btn-ghost{background:transparent;color:var(--sts-ink);border-color:var(--sts-line-strong)}.sts-app .btn-ghost:hover:not(:disabled){background:rgba(22,34,60,.04)}.sts-app .btn-sm{padding:.45rem .9rem;font-size:.85rem}.sts-app .pill{display:inline-flex;align-items:center;gap:.35rem;font-size:.74rem;font-weight:600;padding:.28rem .7rem;border-radius:999px}.sts-app .pill-pass{background:var(--sts-success-bg);color:var(--sts-success)}.sts-app .pill-lock{background:rgba(22,34,60,.06);color:var(--sts-muted)}.sts-app .pill-live{background:var(--sts-yellow-light);color:var(--sts-navy)}.sts-app .note{border-radius:12px;padding:1rem 1.1rem;font-size:.92rem}.sts-app .note-info{background:rgba(22,34,60,.04);border:1px solid var(--sts-line)}.sts-app .note-pass{background:var(--sts-success-bg);border:1px solid rgba(47,125,93,.3);color:#1f5a41}.sts-app .note-alert{background:var(--sts-alert-bg);border:1px solid rgba(179,71,45,.3);color:#7e2f1c}.sts-app .shell{display:flex;min-height:calc(100vh - 2.75rem);background:var(--sts-paper)}.sts-app .rail{width:296px;flex-shrink:0;background:var(--sts-navy);color:#fff;position:-webkit-sticky;position:sticky;top:2.75rem;height:calc(100vh - 2.75rem);overflow-y:auto;padding:1.6rem 1.3rem}.sts-app .rail-logo{display:block;margin:0 auto .75rem;border-radius:12px}.sts-app .rail-brand{font-family:var(--sts-font-display);font-size:1.1rem;color:var(--sts-yellow);font-weight:600;text-align:center}.sts-app .rail-brand-sub{font-family:var(--sts-font-mono);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:hsla(0,0%,100%,.55);margin-top:.25rem;text-align:center}.sts-app .rail-divider{height:1px;background:hsla(0,0%,100%,.14);margin:1.1rem 0}.sts-app .rail-progress-label{display:flex;justify-content:space-between;font-size:.78rem;color:hsla(0,0%,100%,.75);margin-bottom:.4rem}.sts-app .rail-progress-track{height:6px;border-radius:4px;background:hsla(0,0%,100%,.16);overflow:hidden}.sts-app .rail-progress-fill{height:100%;background:var(--sts-emerald);border-radius:4px;transition:width .4s ease}.sts-app .shell-main{flex:1;display:flex;flex-direction:column;min-width:0}.sts-app .shell-content{flex:1;padding:2.4rem 2.6rem;max-width:960px;width:100%;margin:0 auto}.sts-app .spine{position:relative;margin-top:1.4rem}.sts-app .spine-track{bottom:40px;background:hsla(0,0%,100%,.16)}.sts-app .spine-fill,.sts-app .spine-track{position:absolute;left:19px;top:22px;width:2px}.sts-app .spine-fill{background:var(--sts-emerald);transition:height .5s ease}.sts-app .node{position:relative;display:flex;align-items:center;gap:.8rem;padding:.55rem .4rem;margin-bottom:.35rem;border-radius:10px;text-decoration:none;color:#fff;transition:background .15s ease;border:none;background:none;width:100%;text-align:left;cursor:pointer;font:inherit}.sts-app .node:hover{background:hsla(0,0%,100%,.07)}.sts-app .node.is-active{background:rgba(0,186,132,.16)}.sts-app .node.is-locked{opacity:.5;pointer-events:none;cursor:not-allowed}.sts-app .node-dot{z-index:1;flex-shrink:0;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--sts-font-mono);font-size:.85rem;font-weight:600;background:var(--sts-navy);border:2px solid hsla(0,0%,100%,.3);color:hsla(0,0%,100%,.85)}.sts-app .node.is-passed .node-dot{background:var(--sts-emerald);border-color:var(--sts-emerald);color:var(--sts-ink)}.sts-app .node.is-active .node-dot{border-color:var(--sts-yellow);color:#fff}.sts-app .node-body{min-width:0;display:flex;flex-direction:column;gap:.2rem}.sts-app .node-title{display:block;font-size:.88rem;font-weight:600;line-height:1.25}.sts-app .node-meta{display:block;font-size:.7rem;color:hsla(0,0%,100%,.55);line-height:1.2}.sts-app .node-seal .node-dot{border-radius:50%;background:transparent;border:2px dashed hsla(0,0%,100%,.4)}.sts-app .node-seal.is-passed .node-dot{background:radial-gradient(circle at 30% 30%,#ffe082,var(--sts-yellow) 60%,#d4a017);border:2px solid #d4a017;color:var(--sts-ink)}.sts-app .rail-foot{margin-top:1.6rem;padding-top:1.1rem;border-top:1px solid hsla(0,0%,100%,.14);font-size:.8rem}.sts-app .rail-foot .name{color:var(--sts-yellow);font-weight:600}.sts-app .page-head{margin-bottom:1.8rem}.sts-app .page-head h1{font-size:2rem;margin:.3rem 0 0}.sts-app .page-head .lead{color:var(--sts-muted);margin-top:.4rem}.sts-app .legal{border-top:1px solid var(--sts-line);background:rgba(22,34,60,.02);padding:1.4rem 2.6rem;font-size:.74rem;color:var(--sts-muted);line-height:1.6}.sts-app .legal a{color:var(--sts-navy);text-decoration:underline}.sts-app .sts-landing-hero{position:relative;overflow:hidden;background:radial-gradient(ellipse 80% 60% at 85% 20%,rgba(251,205,55,.18),transparent 55%),radial-gradient(ellipse 50% 40% at 10% 80%,rgba(0,186,132,.2),transparent 50%),linear-gradient(160deg,#09496c,#00689f 42%,#0c1b26);padding:3.75rem 1.5rem 4.25rem}.sts-app .sts-landing-hero:after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(-28deg,hsla(0,0%,100%,.035),hsla(0,0%,100%,.035) 1px,transparent 0,transparent 14px);pointer-events:none}.sts-app .sts-landing-hero>*{position:relative;z-index:1}.sts-app .sts-landing-hero h1,.sts-app .sts-landing-hero h2,.sts-app .sts-landing-hero h3,.sts-app .sts-landing-hero h4{color:#fff}.sts-app .sts-landing-hero .sts-hero-lede,.sts-app .sts-landing-hero .sts-hero-meta,.sts-app .sts-landing-hero p{color:hsla(0,0%,100%,.88)}.sts-app .sts-landing-hero .eyebrow,.sts-app .sts-landing-hero .eyebrow.is-light{color:#fbcd37}.sts-app .sts-landing-hero .sts-hero-meta{font-size:.9rem;letter-spacing:.04em;color:hsla(0,0%,100%,.7)}.sts-app .sts-landing-hero .sts-hero-logo-frame{border-radius:1.5rem;background:hsla(0,0%,100%,.12);border:1px solid hsla(0,0%,100%,.22);padding:2rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 24px 60px rgba(0,0,0,.28)}.sts-app .sts-landing-inner{max-width:1080px;margin:0 auto}.sts-app .sts-landing-grid{display:grid;gap:3rem;align-items:center}@media (min-width:900px){.sts-app .sts-landing-grid{grid-template-columns:1.1fr .9fr}}.sts-app .sts-pricing-grid{display:grid;gap:1.5rem;max-width:900px;margin:0 auto}@media (min-width:768px){.sts-app .sts-pricing-grid{grid-template-columns:1fr 1fr}}.sts-app .sts-pricing-featured{border:2px solid var(--sts-yellow);position:relative}.sts-app .sts-pricing-card:focus-visible,.sts-app .sts-pricing-card:hover{box-shadow:0 12px 32px rgba(9,73,108,.14);transform:translateY(-2px)}.sts-app .sts-pricing-featured.sts-pricing-card:focus-visible,.sts-app .sts-pricing-featured.sts-pricing-card:hover{box-shadow:0 16px 40px rgba(251,205,55,.28)}.sts-app .sts-feature-grid{display:grid;gap:1rem;grid-template-columns:1fr}@media (min-width:640px){.sts-app .sts-feature-grid{grid-template-columns:1fr 1fr}}.sts-app .sts-code-panel{background:#fff;border:1px solid rgba(9,73,108,.1);border-radius:1.5rem;box-shadow:0 18px 40px -24px rgba(9,73,108,.35)}.sts-app .sts-section-head .eyebrow{color:var(--sts-emerald)}.sts-app .sts-section-head h2{color:var(--sts-ink)}.sts-app .lesson-html h3{font-size:1.4rem;margin:0 0 1rem}.sts-app .lesson-html h4{font-size:1.05rem;margin:0 0 .5rem}.sts-app .lesson-html li,.sts-app .lesson-html p{line-height:1.8;margin-bottom:.75rem}.sts-app .lesson-html ol,.sts-app .lesson-html ul{margin:0 0 .75rem 1.4rem}.sts-app .lesson-html table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.9rem}.sts-app .lesson-html .referral-table th{background:var(--sts-navy);color:#fff;padding:.7rem .75rem;text-align:left}.sts-app .lesson-html .referral-table td{padding:.7rem .75rem;border-bottom:1px solid var(--sts-line)}.sts-app .lesson-html .stat-box{display:inline-block;background:var(--sts-navy);color:var(--sts-yellow);padding:1.1rem 1.5rem;border-radius:12px;margin:.4rem .5rem .4rem 0;text-align:center}.sts-app .lesson-html .stat-box .number{font-family:var(--sts-font-display);font-size:2.1rem;font-weight:600;display:block;line-height:1}.sts-app .lesson-html .danger-box,.sts-app .lesson-html .example-box,.sts-app .lesson-html .info-box,.sts-app .lesson-html .scenario-box,.sts-app .lesson-html .scope-box,.sts-app .lesson-html .success-box,.sts-app .lesson-html .warning-box{border-radius:12px;padding:1.3rem;margin:1rem 0}.sts-app .lesson-html .info-box{background:rgba(22,34,60,.035);border:1px solid var(--sts-line)}.sts-app .lesson-html .warning-box{background:var(--sts-yellow-light);border:1px solid rgba(251,205,55,.55)}.sts-app .lesson-html .scope-box{background:rgba(251,205,55,.12);border:1px solid rgba(9,73,108,.15)}.sts-app .lesson-html .blue-box{background:var(--sts-navy);color:#fff;padding:1.4rem;border-radius:12px;margin:1rem 0}.sts-app .lesson-html .blue-box h4{color:var(--sts-yellow)}.sts-app .cert{--cert-navy:#0c2a4a;--cert-gold:#c9a84c;--cert-red:#a11d3a;--cert-serif:"Georgia","Times New Roman",serif;max-width:860px;margin:0 auto;background-color:#fff;background-image:repeating-linear-gradient(-32deg,rgba(12,42,74,.035),rgba(12,42,74,.035) 1px,transparent 0,transparent 18px),repeating-linear-gradient(58deg,rgba(12,42,74,.025),rgba(12,42,74,.025) 1px,transparent 0,transparent 18px);border:1px solid var(--cert-gold);box-shadow:inset 0 0 0 3px #fff,inset 0 0 0 4px var(--cert-red),0 24px 48px -24px rgba(12,27,38,.35);position:relative;overflow:hidden;padding:0}.sts-app .cert-corner{position:absolute;width:72px;height:72px;z-index:3;pointer-events:none}.sts-app .cert-corner-tl{top:0;left:0}.sts-app .cert-corner-tr{top:0;right:0}.sts-app .cert-corner-bl{bottom:0;left:0}.sts-app .cert-corner-br{bottom:0;right:0}.sts-app .cert-frame{border:1px solid rgba(201,168,76,.85);margin:22px 22px 0;padding:1.75rem 1.5rem 1.35rem;position:relative;z-index:1}.sts-app .cert-pillars{display:grid;grid-template-columns:1fr auto 1fr;gap:1rem;align-items:start;margin-bottom:1.1rem}.sts-app .cert-pillar{text-align:center;font-size:.72rem;line-height:1.4;color:#334155;padding-top:.5rem}.sts-app .cert-pillar-star{color:var(--cert-gold);font-size:1.15rem;display:block;margin-bottom:.15rem;line-height:1}.sts-app .cert-pillar-title{font-family:var(--cert-serif);font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cert-navy);font-size:1rem;margin-bottom:.3rem}.sts-app .cert-logo-wrap{display:flex;justify-content:center}.sts-app .cert-shield{border-radius:0;background:transparent;padding:0}.sts-app .cert-eyebrow{text-align:center;letter-spacing:.14em;text-transform:uppercase;font-size:.78rem;font-weight:600;color:#111;margin:.35rem 0 .2rem}.sts-app .cert-name{text-align:center;font-family:var(--cert-serif);font-size:clamp(1.55rem,3.4vw,2.05rem);font-weight:700;color:var(--cert-navy);margin:.2rem auto .15rem;border-bottom:1.5px solid #1e293b;display:block;min-width:min(100%,420px);width:min(100%,460px);padding-bottom:.2rem}.sts-app .cert-mid-star{display:block;text-align:center;color:var(--cert-red);font-size:1.05rem;line-height:1;margin:.55rem 0 .4rem}.sts-app .cert-award-line{text-align:center;color:#111;margin:0 0 .4rem;font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;font-weight:600}.sts-app .cert-title{font-size:clamp(1.25rem,2.8vw,1.7rem);margin:.15rem 0 .55rem;color:var(--cert-red);font-weight:700;line-height:1.2;text-transform:uppercase;letter-spacing:.02em}.sts-app .cert-body,.sts-app .cert-title{text-align:center;font-family:var(--cert-serif)}.sts-app .cert-body{max-width:560px;margin:0 auto;font-size:.95rem;line-height:1.55;color:#1e293b;font-style:italic}.sts-app .cert-footer-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:.75rem 1rem;margin:1.6rem 0 .35rem}.sts-app .cert-sign{min-width:0;justify-self:start;text-align:left}.sts-app .cert-sign-name{font-family:Segoe Script,Brush Script MT,Apple Chancery,cursive;font-size:1.55rem;color:#1e3a8a;line-height:1}.sts-app .cert-sign-rule{height:1px;background:#1e293b;margin:.3rem 0 .35rem;max-width:180px}.sts-app .cert-sign-role{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cert-navy);font-weight:700;line-height:1.35}.sts-app .cert-emblem{width:78px;height:78px;display:block;justify-self:center}.sts-app .cert-date{justify-self:end;text-align:center;min-width:140px}.sts-app .cert-date .cert-sign-rule{max-width:none;margin-left:auto;margin-right:auto}.sts-app .cert-date-val{font-family:var(--cert-serif);font-size:.95rem;font-weight:600;color:var(--cert-navy);min-height:1.4em}.sts-app .cert-date-label{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cert-navy);font-weight:700}.sts-app .cert-date-cred{margin-top:.35rem;font-size:.65rem;color:#64748b;letter-spacing:.04em}.sts-app .cert-date-cred.mono{font-family:var(--sts-font-mono)}.sts-app .cert-banner{background:var(--cert-navy);color:#fff;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:600;padding:.7rem 1rem;text-align:center;margin-top:14px;-webkit-clip-path:none;clip-path:none;border-radius:0;position:relative;z-index:2}@media (max-width:640px){.sts-app .cert-pillars{grid-template-columns:1fr}.sts-app .cert-pillar{order:2}.sts-app .cert-logo-wrap{order:1}.sts-app .cert-footer-row{grid-template-columns:1fr;justify-items:center;text-align:center}.sts-app .cert-date,.sts-app .cert-sign{justify-self:center;text-align:center}.sts-app .cert-sign-rule{margin-left:auto;margin-right:auto}}.sts-app .lesson-html .danger-box{background:var(--sts-alert-bg);border:1px solid rgba(179,71,45,.35)}.sts-app .lesson-html .success-box{background:var(--sts-success-bg);border:1px solid rgba(47,125,93,.35)}.sts-app .lesson-html .example-box{background:#eaf2f6;border:1px solid #bcd6e2}.sts-app .lesson-html .scenario-box{background:#fbf6e6;border:1px solid rgba(16,185,129,.5)}.sts-app .lesson-html .ethics-card{background:#fff;border:1px solid var(--sts-line);border-left:3px solid var(--sts-emerald);padding:.9rem 1rem;margin:.5rem 0;border-radius:0 10px 10px 0}.sts-app .lesson-html .ethics-card .number{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--sts-navy);color:#fff;border-radius:50%;font-family:var(--sts-font-mono);font-size:.78rem;margin-right:.5rem;vertical-align:middle}.sts-app .lesson-html blockquote{background:rgba(22,34,60,.035);padding:1rem 1.2rem;border-left:3px solid var(--sts-emerald);margin:1rem 0;font-style:italic;border-radius:0 8px 8px 0}.sts-app .lesson-html .referral-table tr:nth-child(2n){background:rgba(22,34,60,.025)}.sts-app .lesson-html .stat-box .label{font-size:.72rem;opacity:.82;margin-top:.3rem;display:block}.sts-app .quiz-card{max-width:640px;margin:0 auto}.sts-app .quiz-option{width:100%;border-radius:10px;border:2px solid var(--sts-line);padding:1rem 1.1rem;text-align:left;font-size:.92rem;line-height:1.55;background:#fff;cursor:pointer;transition:border-color .15s ease;display:flex;align-items:flex-start;gap:.5rem}.sts-app .quiz-progress-track{height:6px;border-radius:4px;background:var(--sts-line);overflow:hidden}.sts-app .quiz-progress-fill{height:100%;background:var(--sts-emerald);border-radius:4px;transition:width .4s ease}.sts-app .quiz-option:hover:not(:disabled){border-color:var(--sts-emerald)}.sts-app .quiz-option.is-selected{border-color:var(--sts-emerald);background:rgba(0,186,132,.08)}.sts-app .quiz-option.is-correct{border-color:var(--sts-success);background:var(--sts-success-bg)}.sts-app .quiz-option.is-wrong{border-color:var(--sts-alert);background:var(--sts-alert-bg)}.sts-app .sts-site-footer{background:linear-gradient(135deg,#09496c,#0c1b26);padding:5rem 0 2.5rem;margin-top:auto}.sts-app .sts-course-stack{display:flex;flex-direction:column;min-height:calc(100vh - 2.75rem)}.sts-app .sts-site-footer a{color:#9db0bf;text-decoration:none;transition:color .15s ease}.sts-app .sts-site-footer a:hover{color:#fff}.sts-app .sts-site-footer h4{color:#fff;font-size:1.05rem;font-weight:600;margin-bottom:1rem}.sts-app .sts-enrollment-shell{display:flex;min-height:calc(100vh - 2.75rem);flex-direction:column;background:var(--sts-paper)}.sts-app .sts-enrollment-main{flex:1;display:flex;align-items:center;justify-content:center;padding:3rem 1.5rem}@media (max-width:880px){.sts-app .shell{flex-direction:column}.sts-app .rail{width:100%;height:auto;position:static}.sts-app .shell-content{padding:1.5rem 1.2rem}.sts-app .legal{padding:1.2rem}}@media (prefers-reduced-motion:reduce){.sts-app *{transition:none!important;animation:none!important}}@media print{.sts-app .legal,.sts-app .no-print,.sts-app .rail{display:none!important}.sts-app .shell-content{padding:0;max-width:100%}}