:root{
  --navy:#0b1f3a;--dark:#061424;--blue:#0d5c9e;--green:#7ed957;
  --gold:#d4af37;--white:#fff;--muted:#dbeafe;--aqua:#4fd6ff;
  --line:rgba(126,217,87,.42);--card:#0f2f55;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#04111f;color:var(--white);font-family:Arial,Helvetica,sans-serif;line-height:1.65}
a{color:var(--aqua)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #fff59d;outline-offset:3px}
.skip{position:absolute;left:-9999px;top:10px;padding:10px 16px;background:#fff;color:#061424;z-index:1200}
.skip:focus{left:10px}
.page{max-width:1400px;margin:auto;min-height:100vh;overflow:clip;background:linear-gradient(135deg,#061424,#083b6f)}
.wrap{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:1000;padding:14px 0;background:rgba(6,20,36,.98);border-bottom:4px solid var(--green);box-shadow:0 8px 24px rgba(0,0,0,.28)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;color:var(--gold)!important;text-decoration:none}
.brand-logo{display:block;width:66px;height:66px;object-fit:contain;background:#02090d;border:1px solid rgba(126,217,87,.5);border-radius:14px}
.brand-copy{display:grid;line-height:1.2}
.brand-copy strong{font-size:22px}
.brand-copy span{margin-top:4px;color:var(--muted);font-size:13px}
.nav-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.nav-actions a,.button{display:inline-block;padding:9px 13px;border-radius:999px;background:var(--green);color:var(--dark)!important;font-weight:700;text-decoration:none}
.nav-actions .nav-text{background:transparent;color:#fff!important;border:1px solid rgba(126,217,87,.6)}
.nav-actions .dashboard{background:transparent!important;color:#fff!important;border:2px solid var(--green)!important}
.hero{padding:72px 0 58px;text-align:center;background:radial-gradient(circle at top left,rgba(79,214,255,.2),transparent 35%),radial-gradient(circle at bottom right,rgba(212,175,55,.18),transparent 38%),linear-gradient(135deg,#061424,#0b1f3a 55%,#0d5c9e)}
.landing-logo{display:block;width:126px;height:126px;margin:0 auto 20px;border:2px solid var(--green);border-radius:24px;object-fit:contain;background:#02090d;box-shadow:0 14px 34px rgba(0,0,0,.34)}
.badge{display:inline-block;padding:7px 15px;border:1px solid var(--green);border-radius:999px;color:var(--green);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase}
h1{margin:16px 0 12px;color:var(--gold);font-size:clamp(38px,7vw,62px);line-height:1.05}
.hero p{max-width:820px;margin:0 auto 24px;color:var(--muted);font-size:18px}
.section{padding:48px 0}
.section.alt{background:rgba(6,20,36,.76);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.title{margin:0 0 12px;color:var(--gold);font-size:34px;text-align:center}
.intro{max-width:860px;margin:0 auto 28px;color:var(--muted);text-align:center}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{padding:24px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,rgba(13,92,158,.96),rgba(7,59,112,.96));box-shadow:0 12px 28px rgba(0,0,0,.24)}
.card h2,.card h3{margin:0 0 10px;color:var(--green)}
.card p,.card li{color:var(--muted)}
.card ul,.card ol{padding-left:22px}
.notice{max-width:900px;margin:24px auto;padding:20px;border-left:5px solid var(--gold);border-radius:12px;background:#102542;color:var(--muted)}
.notice strong{color:var(--gold)}
.progress-wrap{max-width:760px;margin:24px auto 0}
.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:14px}
.progress-track{height:12px;border-radius:99px;background:#173b62;overflow:hidden}
.progress-bar{height:100%;width:0;background:var(--green);transition:width .3s}
.checklist label{display:flex;gap:10px;margin:12px 0;padding:12px;border:1px solid rgba(79,214,255,.28);border-radius:12px;background:#0f2f55;color:var(--muted)}
.checklist input{width:19px;height:19px;accent-color:var(--green)}
.pager{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center}
.pager .next{text-align:right}.page-count{text-align:center;color:var(--muted)}
.quiz-q{max-width:900px;margin:0 auto 16px;padding:20px;border:1px solid var(--line);border-radius:16px;background:#0f2f55}
.quiz-q legend{color:var(--gold);font-weight:700}.quiz-q label{display:block;margin:9px 0}
.result{font-size:20px;font-weight:700;color:var(--green);text-align:center}
.certificate{max-width:960px;margin:auto;padding:58px 28px;border:10px double var(--gold);background:#fffdf4;color:#061424;text-align:center}
.certificate h2{font-size:42px;color:#0b1f3a}.certificate input{max-width:90%;padding:8px;border:0;border-bottom:2px solid #061424;background:transparent;font-size:26px;text-align:center}
footer{padding:30px 20px;border-top:4px solid var(--green);background:var(--dark);color:var(--muted);text-align:center}
footer strong{color:var(--gold)}.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:8px}.footer-brand img{width:42px;height:42px;object-fit:contain}
@media(max-width:850px){.grid.three{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.header-row{align-items:flex-start}.nav-actions{width:100%}.nav-actions a{flex:1 1 auto;text-align:center}}
@media(max-width:640px){.grid,.grid.three,.pager{grid-template-columns:1fr}.pager .next,.page-count{text-align:left}.brand-logo{width:54px;height:54px}.brand-copy strong{font-size:19px}.brand-copy span{font-size:12px}.landing-logo{width:104px;height:104px}.hero{padding:54px 0 46px}.section{padding:40px 0}}
@media print{.site-header,.hero,.pager,footer,.no-print{display:none!important}.page{background:#fff}.section{padding:0}.certificate{min-height:650px;display:flex;flex-direction:column;justify-content:center}}

.terms dt{margin-top:14px;color:var(--green);font-weight:700}.terms dd{margin:3px 0 0;color:var(--muted)}
details{margin:12px 0;padding:13px;border:1px solid rgba(79,214,255,.28);border-radius:12px;background:#0f2f55;color:var(--muted)}
summary{cursor:pointer;color:var(--green);font-weight:700}.feedback{margin:10px 0 0;font-weight:700}
.feedback.correct{color:#b7ff99}.feedback.incorrect{color:#ffd7a8}.secondary{background:var(--gold)!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.roadmap,.page-map{columns:2;column-gap:36px}.roadmap li,.page-map li{break-inside:avoid;margin-bottom:8px;color:var(--muted)}
@media(max-width:640px){.roadmap,.page-map{columns:1}}