:root{--gc-navy:#061a3a;--gc-blue:#0a2b59;--gc-orange:#ff5b16;--gc-bg:#f3f6fa;--gc-border:#dbe4ef;--gc-muted:#63728a}.gt-course,.gt-course *{box-sizing:border-box}.gt-course{min-height:800px;color:#102343;background:var(--gc-bg);font-family:Montserrat,Arial,sans-serif}.gt-course__top{display:flex;justify-content:space-between;gap:40px;align-items:flex-end;padding:56px max(30px,calc((100vw - 1380px)/2));color:#fff;background:radial-gradient(circle at 80% 20%,rgba(255,91,22,.18),transparent 26%),linear-gradient(135deg,#061a3a,#0a2a55)}.gt-course__top>div{max-width:850px}.gt-course__top a{color:rgba(255,255,255,.65);font-size:11px;font-weight:700;text-decoration:none}.gt-course__top span{display:block;margin:28px 0 12px;color:#ff8b55;font-size:10px;font-weight:900;letter-spacing:.15em}.gt-course__top h1{margin:0 0 14px;font-size:clamp(34px,4vw,58px);line-height:1.04;letter-spacing:-.04em}.gt-course__top p{max-width:740px;margin:0;color:rgba(255,255,255,.68);font-size:14px;line-height:1.65}.gt-course__knowledge{min-width:250px;padding:18px 20px;border:1px solid rgba(255,255,255,.2);border-radius:13px;background:rgba(255,255,255,.06)}.gt-course__knowledge b,.gt-course__knowledge span{display:block;margin:0}.gt-course__knowledge b{color:#fff;font-size:11px}.gt-course__knowledge span{margin-top:6px;color:#ff8b55;font-size:10px}.gt-course__operator-pick{display:grid;grid-template-columns:1fr 520px;gap:80px;align-items:start;max-width:1180px;margin:0 auto;padding:90px 30px 110px}.gt-course__operator-copy>span,.gt-course__lesson-head>span,.gt-course__lesson-body>section>span,.gt-course__quiz>span{color:var(--gc-orange);font-size:10px;font-weight:900;letter-spacing:.14em}.gt-course__operator-copy h2{margin:13px 0 18px;color:var(--gc-navy);font-size:44px;line-height:1.08;letter-spacing:-.035em}.gt-course__operator-copy p{max-width:550px;color:var(--gc-muted);font-size:14px;line-height:1.75}.gt-course__operator-panel{padding:30px;border:1px solid var(--gc-border);border-radius:20px;background:#fff;box-shadow:0 20px 50px rgba(14,39,75,.09)}.gt-course__operator-panel h3{margin:0 0 15px;font-size:14px}.gt-course__operator-list{display:grid;gap:8px}.gt-course__operator-list button{display:grid;grid-template-columns:40px 1fr auto;gap:11px;align-items:center;padding:11px;border:1px solid var(--gc-border);border-radius:10px;background:#f8fafc;text-align:left;cursor:pointer}.gt-course__operator-list i,.gt-course__operator i{display:grid;width:40px;height:40px;place-items:center;border-radius:10px;color:#fff;background:var(--gc-orange);font-style:normal;font-weight:900}.gt-course__operator-list b,.gt-course__operator-list small{display:block}.gt-course__operator-list b{font-size:11px}.gt-course__operator-list small{margin-top:3px;color:var(--gc-muted);font-size:9px}.gt-course__operator-list strong{color:var(--gc-orange);font-size:9px}.gt-course__or{height:36px;margin:18px 0;border-top:1px solid var(--gc-border);text-align:center}.gt-course__or span{position:relative;top:-7px;padding:0 10px;color:#8995a7;background:#fff;font-size:9px}.gt-course__operator-panel form label{display:block;margin:13px 0 7px;color:var(--gc-navy);font-size:10px;font-weight:800}.gt-course__operator-panel input{width:100%;height:48px;padding:0 14px;border:1px solid #cad6e3;border-radius:9px;outline:none;font:600 12px Montserrat}.gt-course__operator-panel input:focus{border-color:var(--gc-orange);box-shadow:0 0 0 3px rgba(255,91,22,.1)}.gt-course__operator-panel form p,.gt-course__quiz-result{min-height:15px;margin:8px 0;color:#b42318;font-size:10px;font-weight:700}.gt-course__operator-panel form button,.gt-course__quiz button{display:flex;width:100%;height:50px;align-items:center;justify-content:space-between;padding:0 18px;border:0;border-radius:9px;color:#fff;background:var(--gc-orange);font:800 11px Montserrat;cursor:pointer}.gt-course button:disabled{opacity:.65;cursor:wait}.gt-course__status{display:grid;grid-template-columns:1fr 1.4fr;gap:50px;align-items:center;padding:24px max(30px,calc((100vw - 1380px)/2));border-bottom:1px solid var(--gc-border);background:#fff}.gt-course__operator{display:flex;gap:12px;align-items:center}.gt-course__operator small,.gt-course__operator b{display:block}.gt-course__operator small{color:var(--gc-muted);font-size:9px}.gt-course__operator b{margin-top:3px;font-size:12px}.gt-course__operator a{margin-left:12px;color:var(--gc-orange);font-size:9px;font-weight:800}.gt-course__progress>span{display:flex;justify-content:space-between;font-size:10px}.gt-course__progress>span strong{color:var(--gc-orange)}.gt-course__progress>div{height:7px;margin:8px 0;border-radius:9px;background:#e8edf3;overflow:hidden}.gt-course__progress>div i{display:block;height:100%;border-radius:9px;background:linear-gradient(90deg,var(--gc-orange),#ff8d55)}.gt-course__progress>small{color:var(--gc-muted);font-size:9px}.gt-course__workspace{display:grid;grid-template-columns:360px minmax(0,1fr);max-width:1440px;margin:0 auto;padding:30px}.gt-course__syllabus{position:sticky;top:10px;align-self:start;max-height:calc(100vh - 20px);overflow:auto;border:1px solid var(--gc-border);border-radius:15px 0 0 15px;background:#fff}.gt-course__syllabus-head{display:flex;justify-content:space-between;padding:20px;border-bottom:1px solid var(--gc-border)}.gt-course__syllabus-head span{color:var(--gc-orange);font-size:9px;font-weight:900;letter-spacing:.12em}.gt-course__syllabus-head b{font-size:9px}.gt-course__module{border-bottom:1px solid var(--gc-border)}.gt-course__module>header{display:flex;gap:11px;padding:17px 18px}.gt-course__module>header>i{display:grid;width:28px;height:28px;flex:0 0 28px;place-items:center;border-radius:50%;color:#617087;background:#edf2f7;font-size:9px;font-style:normal;font-weight:900}.gt-course__module.is-complete>header>i{color:#fff;background:#1b9854}.gt-course__module>header b,.gt-course__module>header small{display:block}.gt-course__module>header b{font-size:10px;line-height:1.35}.gt-course__module>header small{margin-top:4px;color:var(--gc-muted);font-size:8px}.gt-course__module>div a{display:grid;grid-template-columns:24px 1fr auto;gap:8px;align-items:center;padding:10px 18px 10px 28px;color:#45556e;text-decoration:none}.gt-course__module>div a:hover,.gt-course__module>div a.is-current{color:var(--gc-navy);background:#fff2ec}.gt-course__module>div a.is-locked{pointer-events:none;opacity:.45}.gt-course__module>div a>span{display:grid;width:22px;height:22px;place-items:center;border:1px solid #d7e0ea;border-radius:50%;font-size:8px}.gt-course__module>div a.is-complete>span{border-color:#1b9854;color:#fff;background:#1b9854}.gt-course__module>div a b{font-size:9px;line-height:1.35}.gt-course__module>div a small{font-size:8px}.gt-course__lesson{overflow:hidden;border:1px solid var(--gc-border);border-left:0;border-radius:0 15px 15px 0;background:#fff}.gt-course__lesson-head{padding:34px 40px}.gt-course__lesson-head h2{margin:9px 0 10px;color:var(--gc-navy);font-size:32px;line-height:1.12;letter-spacing:-.03em}.gt-course__lesson-head p{max-width:780px;margin:0;color:var(--gc-muted);font-size:12px;line-height:1.65}.gt-course__lesson-head>div{display:flex;gap:8px;margin-top:15px}.gt-course__lesson-head>div b{padding:5px 8px;border-radius:5px;color:#63728a;background:#eef2f6;font-size:8px}.gt-course__video{background:#061a3a}.gt-course__video video{display:block;width:100%;max-height:650px;aspect-ratio:16/9;object-fit:contain}.gt-course__lesson-body{max-width:900px;padding:36px 40px 55px}.gt-course__objective{padding:20px 22px;border-left:3px solid var(--gc-orange);background:#fff6f1}.gt-course__objective p{margin:8px 0 0;font-size:12px;line-height:1.65}.gt-course__warning{margin:24px 0;padding:18px 20px;border:1px solid #f0c7a5;border-radius:10px;color:#713914;background:#fff9ed}.gt-course__warning b{font-size:11px}.gt-course__warning p{margin:6px 0 0;font-size:10px;line-height:1.6}.gt-course__lesson-body section h3,.gt-course__quiz h3{margin:28px 0 18px;color:var(--gc-navy);font-size:21px}.gt-course__lesson-body ol{margin:0;padding:0;list-style:none}.gt-course__lesson-body ol li{display:grid;grid-template-columns:30px 1fr;gap:12px;margin-bottom:11px;align-items:start}.gt-course__lesson-body ol span{display:grid;width:28px;height:28px;place-items:center;border-radius:8px;color:#fff;background:var(--gc-navy);font-size:9px;font-weight:900}.gt-course__lesson-body ol p{margin:4px 0;color:#394b65;font-size:11px;line-height:1.55}.gt-course__assignment{margin:32px 0;padding:24px;border-radius:13px;color:#fff;background:var(--gc-navy)}.gt-course__assignment span{color:#ff8b55!important}.gt-course__assignment h3{margin:9px 0 8px!important;color:#fff!important}.gt-course__assignment p{margin:0;color:rgba(255,255,255,.7);font-size:11px;line-height:1.65}.gt-course__quiz{padding-top:8px}.gt-course__quiz fieldset{margin:0 0 20px;padding:0;border:0}.gt-course__quiz legend{margin-bottom:10px;color:var(--gc-navy);font-size:11px;font-weight:800}.gt-course__quiz fieldset label{display:flex;gap:8px;align-items:flex-start;margin:7px 0;padding:11px 12px;border:1px solid var(--gc-border);border-radius:8px;cursor:pointer}.gt-course__quiz fieldset label:has(input:checked){border-color:var(--gc-orange);background:#fff5ef}.gt-course__quiz fieldset label span{font-size:10px;line-height:1.45}.gt-course__confirm{display:flex;gap:9px;align-items:flex-start;margin:26px 0 12px;padding:14px;border-radius:9px;background:#eef6f1;cursor:pointer}.gt-course__confirm span{color:#315b42;font-size:9px;line-height:1.5}.gt-course__quiz-result.is-success{color:#16834a}.gt-course__empty{padding:90px 40px;text-align:center}.gt-course__empty>span{display:grid;width:60px;height:60px;margin:0 auto 20px;place-items:center;border-radius:50%;color:#fff;background:#1b9854;font-size:28px}.gt-course__empty h2{font-size:28px}.gt-course__empty p{color:var(--gc-muted);font-size:12px}.gt-course__empty a{color:var(--gc-orange);font-size:11px;font-weight:800}
@media(max-width:1000px){.gt-course__operator-pick{grid-template-columns:1fr;gap:30px}.gt-course__workspace{grid-template-columns:300px 1fr}.gt-course__status{grid-template-columns:1fr}.gt-course__top{align-items:flex-start;flex-direction:column}.gt-course__knowledge{min-width:0}}
@media(max-width:760px){.gt-course__top{padding:35px 16px}.gt-course__top h1{font-size:36px}.gt-course__operator-pick{padding:55px 16px}.gt-course__operator-copy h2{font-size:34px}.gt-course__operator-panel{padding:20px}.gt-course__status{padding:20px 16px;gap:24px}.gt-course__workspace{display:block;padding:14px}.gt-course__syllabus{position:relative;top:0;max-height:none;border-radius:13px;margin-bottom:14px}.gt-course__lesson{border-left:1px solid var(--gc-border);border-radius:13px}.gt-course__lesson-head,.gt-course__lesson-body{padding:26px 20px}.gt-course__lesson-head h2{font-size:27px}.gt-course__video video{max-height:480px}.gt-course__operator{align-items:flex-start;flex-wrap:wrap}.gt-course__operator a{width:100%;margin:0 0 0 52px}.gt-course__knowledge{width:100%}}

/* The syllabus follows the page height; avoid a second scrollbar inside it. */
.gt-course__syllabus{position:relative;top:0;max-height:none;overflow:visible}
.gt-course__video{position:relative}.gt-course__video-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;color:#fff;background:#0b2449}.gt-course__video-bar span{color:#ff8b55;font-size:8px;font-weight:900;letter-spacing:.14em}.gt-course__video-bar b{font-size:9px}.gt-course__summary{margin:24px 0;padding:22px;border:1px solid var(--gc-border);border-radius:12px;background:linear-gradient(135deg,#f8fbff,#fff)}.gt-course__summary h3{margin:8px 0!important}.gt-course__summary p{margin:0;color:#465872;font-size:11px;line-height:1.7}.gt-course__summary a{display:inline-block;margin-top:14px;color:var(--gc-orange);font-size:10px;font-weight:800;text-decoration:none}.gt-course__quiz-note{margin:-10px 0 18px;color:var(--gc-muted);font-size:10px;line-height:1.5}

/* Premium readability pass: retain the hierarchy while making secondary copy comfortable on desktop. */
.gt-course__top p{font-size:16px;line-height:1.7}
.gt-course__top a{font-size:12px}
.gt-course__top span,
.gt-course__operator-copy>span,
.gt-course__lesson-head>span,
.gt-course__lesson-body>section>span,
.gt-course__quiz>span{font-size:11px}
.gt-course__status{padding-top:27px;padding-bottom:27px}
.gt-course__operator small{font-size:10px}
.gt-course__operator b{font-size:14px}
.gt-course__operator a{font-size:10px}
.gt-course__progress>span{font-size:11px}
.gt-course__progress>small{font-size:10px}
.gt-course__syllabus-head span,
.gt-course__syllabus-head b{font-size:10px}
.gt-course__module>header b{font-size:12px;line-height:1.4}
.gt-course__module>header small{font-size:9.5px}
.gt-course__module>div a{padding-top:11px;padding-bottom:11px}
.gt-course__module>div a b{font-size:10.5px;line-height:1.45}
.gt-course__module>div a small{font-size:9.5px}
.gt-course__lesson-head p{font-size:14px;line-height:1.7}
.gt-course__lesson-head>div b{padding:6px 9px;font-size:10px}
.gt-course__video-bar span{font-size:9px}
.gt-course__video-bar b{font-size:10.5px}
.gt-course__objective p{font-size:14px;line-height:1.7}
.gt-course__warning b{font-size:13px}
.gt-course__warning p{font-size:12px;line-height:1.65}
.gt-course__lesson-body section h3,
.gt-course__quiz h3{font-size:23px}
.gt-course__lesson-body ol p{font-size:13px;line-height:1.65}
.gt-course__lesson-body ol span{font-size:10px}
.gt-course__assignment p{font-size:13px;line-height:1.7}
.gt-course__summary p{font-size:13px;line-height:1.75}
.gt-course__summary a{font-size:12px}
.gt-course__quiz-note{font-size:12px;line-height:1.6}
.gt-course__quiz legend{font-size:13px;line-height:1.45}
.gt-course__quiz fieldset label span{font-size:12px;line-height:1.55}
.gt-course__confirm span{font-size:11.5px;line-height:1.55}
.gt-course__quiz-result{font-size:11px}
  .gt-course__quiz button{font-size:12px}

.gt-course__quiz fieldset.is-error{margin-left:-12px;margin-right:-12px;padding:14px 12px;border:1px solid #efb2ad;border-radius:10px;background:#fff7f6}
.gt-course__quiz fieldset.is-error legend{color:#a8261d}

@media(min-width:1001px){.gt-course__workspace{grid-template-columns:390px minmax(0,1fr)}}

.gt-course__video.is-portrait{
  width:min(100%,500px);
  margin-right:auto;
  margin-left:auto;
  overflow:hidden;
  border-radius:0 0 12px 12px;
  background:#061a3a;
}
.gt-course__video.is-portrait video{
  width:100%;
  max-height:none;
  aspect-ratio:auto;
  object-fit:contain;
}
@media(max-width:760px){.gt-course__video.is-portrait{width:100%;border-radius:0}}

/* Shared mobile PWA shell for both operator courses. */
.gt-course-pwa-page{margin:0;min-width:320px;background:#f3f6fa;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Arial,sans-serif}
.gt-course--pwa{width:100%;max-width:430px;margin:0 auto;padding-bottom:calc(96px + env(safe-area-inset-bottom));overflow:clip;font-family:inherit}
.gt-course--pwa button,.gt-course--pwa input,.gt-course--pwa select,.gt-course--pwa textarea{font-family:inherit}
.gt-course--pwa .gt-course__top{padding:28px 16px 30px}
.gt-course--pwa .gt-course__top span{margin:18px 0 9px}
.gt-course--pwa .gt-course__top h1{font-size:34px}
.gt-course--pwa .gt-course__top p{font-size:14px;line-height:1.6}
.gt-course--pwa .gt-course__knowledge{width:100%;padding:14px 16px}
.gt-course--pwa .gt-course__operator-pick{grid-template-columns:1fr;gap:24px;padding:36px 16px 54px}
.gt-course--pwa .gt-course__operator-copy h2{font-size:30px}
.gt-course--pwa .gt-course__operator-copy p{font-size:13px;line-height:1.65}
.gt-course--pwa .gt-course__operator-panel{padding:18px;border-radius:16px}
.gt-course--pwa .gt-course__workspace{display:block;padding:12px}
.gt-course--pwa .gt-course__syllabus{position:relative;top:0;max-height:none;margin-bottom:12px;overflow:visible;border-radius:13px}
.gt-course--pwa .gt-course__lesson{border-left:1px solid var(--gc-border);border-radius:13px}
.gt-course--pwa .gt-course__lesson-head,.gt-course--pwa .gt-course__lesson-body{padding:24px 18px}
.gt-course--pwa .gt-course__lesson-head h2{font-size:26px}