:root{--navy:#172E4B;--green:#0AA23C;--green2:#0A7F30;--red:#BA1120;--ink:#152A44;--body:#3F5164;--muted:#71808F;--paper:#F5F8F6;--mist:#EAF4ED;--line:#E4EAE8;--line-2:#cdd8d3;--font:"Readex Pro",system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--paper);color:var(--body);line-height:1.85}
a{color:inherit;text-decoration:none}
.bar{position:fixed;top:0;inset-inline:0;height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 20px;z-index:40}
.bar img{height:34px}
.bar .prog{font-size:.9rem;color:var(--muted);font-weight:600}
.readbar{position:fixed;top:64px;inset-inline-start:0;height:3px;background:linear-gradient(90deg,var(--green),#16B84C);width:0;z-index:41;transition:width .2s}
.layout{display:grid;grid-template-columns:300px 1fr;max-width:1200px;margin:0 auto;padding-top:64px;min-height:100vh}
.side{border-inline-end:1px solid var(--line);background:#fff;padding:24px 0;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto}
.side h1{font-size:1.05rem;color:var(--ink);padding:0 22px 4px}
.side .sub{font-size:.78rem;color:var(--muted);padding:0 22px 18px;letter-spacing:1px;direction:ltr;text-align:right}
.mod{padding:6px 0}
.mod .mt{font-size:.82rem;font-weight:700;color:var(--ink);padding:10px 22px 6px}
.les{display:flex;align-items:center;gap:10px;padding:9px 22px;font-size:.92rem;cursor:pointer;color:var(--body);border-inline-start:3px solid transparent}
.les:hover{background:var(--paper)}
.les.active{background:var(--mist);border-inline-start-color:var(--green);color:var(--ink);font-weight:600}
.les .tick{flex:none;width:18px;height:18px;border-radius:50%;border:1.5px solid var(--line-2);display:grid;place-items:center}
.les.done .tick{background:var(--green);border-color:var(--green)}
.les.done .tick svg{stroke:#fff}
.main{padding:38px clamp(20px,5vw,64px) 90px;max-width:820px}
.crumb{font-size:.82rem;color:var(--muted);margin-bottom:8px}
.main h2{font-size:clamp(1.6rem,3vw,2.2rem);color:var(--ink);line-height:1.25;margin-bottom:20px;font-weight:700}
.main h3{font-size:1.2rem;color:var(--ink);margin:28px 0 12px}
.main p{margin-bottom:18px;font-size:1.06rem}
.main ul{margin:0 0 20px;padding-inline-start:22px}.main li{margin-bottom:8px}
.main strong{color:var(--ink)}
.fig{margin:26px 0;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.fig svg{width:100%;display:block}
.fig figcaption{padding:11px 16px;font-size:.86rem;color:var(--muted);border-top:1px solid var(--line)}
.callout{background:var(--mist);border:1px solid var(--line);border-inline-start:4px solid var(--green);border-radius:12px;padding:16px 20px;margin:24px 0}
.callout b{color:var(--green2)}
.navbtns{display:flex;justify-content:space-between;gap:12px;margin-top:40px;border-top:1px solid var(--line);padding-top:24px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--green);color:#fff;border:none;font-family:inherit;font-weight:600;font-size:.95rem;padding:12px 22px;border-radius:100px;cursor:pointer;transition:.2s}
.btn:hover{background:var(--green2)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.quiz{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;margin-top:10px}
.q{margin-bottom:22px}
.q .qt{font-weight:600;color:var(--ink);margin-bottom:12px}
.opt{display:block;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-bottom:8px;cursor:pointer;transition:.15s;font-size:.96rem}
.opt:hover{border-color:var(--green)}
.opt.sel{border-color:var(--green);background:var(--mist)}
.opt.correct{border-color:var(--green);background:#e6f6ec}
.opt.wrong{border-color:var(--red);background:#fdecee}
.certwrap{max-width:820px;margin:0 auto;text-align:center;padding:20px}
#certcanvas{width:100%;max-width:720px;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 50px -20px rgba(0,0,0,.25);margin:20px auto}
.certform{max-width:420px;margin:0 auto 20px}
.certform input{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;margin-bottom:12px;text-align:center}
.menub{display:none;background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--ink)}
@media(max-width:820px){.layout{grid-template-columns:1fr}.side{display:none}.side.open{display:block;position:fixed;inset:64px 0 0;z-index:30;height:auto}.menub{display:inline-flex!important}}
/* catalog */
.hero{background:linear-gradient(180deg,var(--mist),#fff);padding:64px 20px 48px;text-align:center}
.hero img{height:52px;margin-bottom:22px}
.hero h1{font-size:clamp(1.8rem,4vw,2.6rem);color:var(--ink);font-weight:700;margin-bottom:14px}
.hero p{color:var(--body);max-width:44rem;margin:0 auto;font-size:1.1rem}
.wrap{max-width:1080px;margin:0 auto;padding:40px 20px 80px}
.cgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cc{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:.3s;display:flex;flex-direction:column}
.cc:hover{transform:translateY(-5px);box-shadow:0 26px 50px -28px rgba(8,42,48,.4);border-color:var(--green)}
.cc .cim{height:120px;background:var(--navy);display:grid;place-items:center;color:#fff;font-size:2rem;position:relative}
.cc .cb{padding:22px;flex:1;display:flex;flex-direction:column}
.cc .tag{font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 10px;border-radius:100px;display:inline-block;margin-bottom:12px}
.cc .tag.live{background:#e6f6ec;color:var(--green2)}
.cc .tag.soon{background:#eef1f5;color:var(--muted)}
.cc h3{color:var(--ink);font-size:1.14rem;margin-bottom:8px}
.cc p{font-size:.92rem;color:var(--body);flex:1}
.cc .go{margin-top:16px;color:var(--green);font-weight:600;font-size:.9rem}
.catfoot{text-align:center;color:var(--muted);font-size:.88rem;padding:30px 20px;border-top:1px solid var(--line)}
.catfoot a{color:var(--green);text-decoration:underline}
@media(max-width:820px){.cgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cgrid{grid-template-columns:1fr}}
/* branded header + badge */
.baraux{display:flex;align-items:center;gap:16px}
.pbadge{font-size:.82rem;color:var(--muted);border:1px solid var(--line);padding:5px 12px;border-radius:100px;white-space:nowrap}
.pbadge b{color:var(--navy);font-weight:700}
@media(max-width:560px){.pbadge{display:none}}
/* hero kicker + course icons */
.hero .kick{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--green2);background:#e6f6ec;padding:5px 14px;border-radius:100px;margin-bottom:16px;direction:ltr}
.cc .cim svg{width:46px;height:46px;stroke:#fff;opacity:.95}
.cc.soon .cim{background:#22364f}.cc.soon{opacity:.9}
.sechead{font-size:1.5rem;color:var(--ink);font-weight:700;margin:0 0 6px;text-align:center}
.wrap>.sechead{margin-bottom:30px}
/* trust strip */
.trust{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-in{max-width:1080px;margin:0 auto;padding:26px 20px;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.ti{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px}
.ti svg{width:30px;height:30px;stroke:var(--green);margin-bottom:4px}
.ti b{color:var(--ink);font-size:1rem}
.ti span{color:var(--muted);font-size:.84rem}
@media(max-width:640px){.trust-in{grid-template-columns:1fr 1fr;gap:20px}}
/* lead band */
.lead{background:var(--navy)}
.lead-in{max-width:1000px;margin:0 auto;padding:54px 20px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.lead-txt h2{color:#fff;font-size:1.6rem;font-weight:700;margin-bottom:12px}
.lead-txt p{color:#c7d3e2;font-size:1.02rem;line-height:1.8}
.lead-form{background:#fff;border-radius:16px;padding:22px;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.lead-form input{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;margin-bottom:12px}
.lead-form .btn{width:100%;justify-content:center}
.leadmsg{font-size:.88rem;margin-top:10px;min-height:1.2em;color:var(--muted);text-align:center}
.leadmsg.ok{color:var(--green2)}.leadmsg.err{color:var(--red)}
@media(max-width:760px){.lead-in{grid-template-columns:1fr;padding:40px 20px;gap:26px}}
/* powered-by */
.powered{background:var(--mist)}
.powered-in{max-width:860px;margin:0 auto;padding:54px 20px;text-align:center}
.powered-in h2{color:var(--ink);font-size:1.5rem;font-weight:700;margin-bottom:14px}
.powered-in p{color:var(--body);font-size:1.05rem;line-height:1.85;margin-bottom:22px}
.powered-in a.btn.ghost{border:1px solid var(--line-2)}
.powered-in p a{color:var(--green2);font-weight:600;text-decoration:underline}
/* ===== cover-image cards + progress ===== */
.cc .cim{height:152px;background:var(--navy) center/cover no-repeat;position:relative;display:block}
.cc .cim .cbadge{position:absolute;top:10px;inset-inline-start:10px;background:rgba(23,46,75,.92);color:#fff;font-size:.72rem;font-weight:700;padding:4px 11px;border-radius:100px}
.cc .cim .cbadge.done{background:var(--green)}
.pbar{height:7px;background:var(--line);border-radius:4px;overflow:hidden;margin:12px 0 2px}
.pbar i{display:block;height:100%;background:var(--green);border-radius:4px}
#mylearning{margin-bottom:40px}
.mlhead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 0 20px;border-bottom:1px solid var(--line);padding-bottom:12px}
.mlname{color:var(--muted);font-size:.95rem}
.mlcert{margin-top:16px;color:var(--body);font-size:.92rem;background:var(--mist);border:1px solid var(--line);border-radius:12px;padding:14px 18px;line-height:1.9}
.mlcert a{color:var(--green2);text-decoration:underline}
/* ===== course landing ===== */
.chero{position:relative;color:#fff;padding:74px 20px 54px;background:linear-gradient(rgba(10,25,40,.82),rgba(10,25,40,.9)),var(--cover) center/cover no-repeat;background-color:var(--navy)}
.chero-in{max-width:1080px;margin:0 auto}
.cback{color:#cfe0dd;font-size:.9rem;text-decoration:none;display:inline-block;margin-bottom:16px}
.ceyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.08em;color:#8ff0b6;background:rgba(10,162,60,.18);padding:5px 14px;border-radius:100px;margin-bottom:14px}
.chero h1{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700;line-height:1.25;margin-bottom:8px}
.chero .cen{color:#c7d3e2;font-size:1.05rem;direction:ltr;text-align:right;margin-bottom:20px}
.lchips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.lchip{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:100px;padding:7px 15px;font-size:.85rem;color:#eaf4f2}
.lchip b{color:#fff;font-weight:700}
.cbtn{background:var(--green);color:#fff;border:none;font-family:inherit;font-weight:600;font-size:1.02rem;padding:14px 30px;border-radius:100px;cursor:pointer;transition:.2s}
.cbtn:hover{background:var(--green2)}
.cbody{max-width:1080px;margin:0 auto;padding:44px 20px 70px;display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.cmain h2{font-size:1.4rem;color:var(--ink);margin:0 0 16px}
.cmain h2:not(:first-child){margin-top:38px}
.couts{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.couts li{position:relative;padding-inline-start:26px;color:var(--body);line-height:1.6}
.couts li::before{content:"";position:absolute;inset-inline-start:0;top:7px;width:13px;height:13px;border-radius:50%;background:var(--mist);border:2px solid var(--green)}
.ccurric{border:1px solid var(--line);border-radius:14px;overflow:hidden}
.cmod{border-bottom:1px solid var(--line)}.cmod:last-child{border-bottom:none}
.cmod summary{list-style:none;cursor:pointer;padding:15px 18px;display:flex;align-items:center;gap:12px;font-weight:600;color:var(--ink);background:#fff}
.cmod summary::-webkit-details-marker{display:none}
.cmod summary:hover{background:var(--paper)}
.cmod .cn{flex:none;width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:.85rem}
.cmod .cc-n{margin-inline-start:auto;color:var(--muted);font-size:.82rem;font-weight:400;white-space:nowrap}
.cmod .qz{color:var(--green2)}
.cmod ul{margin:0;padding:6px 54px 16px 18px;color:var(--body)}
.cmod ul li{margin-bottom:7px;font-size:.95rem}
.cside{position:sticky;top:80px}
.ccard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:8px 20px}
.ccard .ci{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.ccard .ci:last-child{border-bottom:none}
.ccard .ci span{color:var(--muted)}.ccard .ci b{color:var(--ink)}
.cfree{color:var(--muted);font-size:.85rem;margin-top:14px;line-height:1.6}
@media(max-width:820px){.cbody{grid-template-columns:1fr}.cside{position:static}.couts{grid-template-columns:1fr}}
/* ===== certificate showcase ===== */
.certshow{background:var(--mist);border-top:1px solid var(--line)}
.certshow .wrap{max-width:900px;padding:52px 20px}
.csub{text-align:center;color:var(--body);max-width:46rem;margin:0 auto 22px;line-height:1.8}
.certprev{max-width:560px;margin:0 auto;text-align:center}
.certprev #certName{width:100%;max-width:360px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;text-align:center;margin-bottom:18px}
.certframe{border-radius:12px;overflow:hidden;box-shadow:0 24px 60px -26px rgba(8,42,48,.5);border:1px solid var(--line)}
.certframe canvas{width:100%;height:auto;display:block}
/* ===== app shell ===== */
.app{display:grid;grid-template-columns:256px 1fr;min-height:100vh}
.side-nav{background:#fff;border-inline-end:1px solid var(--line);display:flex;flex-direction:column;padding:22px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
.sn-logo{padding:0 24px 22px}.sn-logo img{height:34px}
.sn-links{display:flex;flex-direction:column;gap:3px;padding:0 12px;flex:1}
.snav{padding:11px 16px;border-radius:10px;color:var(--body);font-weight:500;font-size:.98rem;text-decoration:none;transition:.15s}
.snav:hover{background:var(--paper);color:var(--ink)}
.snav.on{background:var(--mist);color:var(--green2);font-weight:600}
.sn-foot{padding:16px 22px 0;border-top:1px solid var(--line);margin-top:14px;display:flex;flex-direction:column;gap:11px}
.sn-acct{min-height:18px}
.sn-site,.sn-p{color:var(--muted);font-size:.85rem;text-decoration:none}
.sn-site:hover,.sn-p:hover{color:var(--green2)}
.app-main{min-width:0;background:var(--paper);display:flex;flex-direction:column}
.app-top{position:sticky;top:0;z-index:20;background:rgba(245,248,246,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 clamp(18px,4vw,30px);height:64px}
.app-logo{display:none}.app-logo img{height:30px}
.app-title{font-size:1.18rem;color:var(--ink);font-weight:700;margin:0}
.sn-toggle{display:none;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--ink)}
.app-content{padding:30px clamp(18px,4vw,44px) 72px;max-width:1200px;width:100%}
.sn-scrim{display:none}
@media(max-width:900px){
  .app{grid-template-columns:1fr}
  .side-nav{position:fixed;top:0;inset-inline-start:0;height:100vh;width:264px;z-index:60;transform:translateX(100%);transition:transform .3s var(--ease)}
  html[dir="ltr"] .side-nav{transform:translateX(-100%)}
  .side-nav.open{transform:translateX(0)!important}
  .sn-toggle{display:inline-flex}.app-logo{display:block}
  .app-title{display:none}
  .sn-scrim{display:block;position:fixed;inset:0;background:rgba(8,20,30,.45);z-index:55;opacity:0;pointer-events:none;transition:.3s}
  .side-nav.open ~ .sn-scrim{opacity:1;pointer-events:auto}
}
/* account control in sidebar */
.auth-chip-inline{position:static!important}
.auth-chip-inline .auth-btn{width:100%;box-shadow:none}
.auth-chip-inline .auth-user{background:var(--mist);border:1px solid var(--line);width:100%;justify-content:space-between}
/* dashboard + hub */
.dash-hero{margin-bottom:22px}
.dash-hero h2{font-size:clamp(1.4rem,3vw,1.75rem);color:var(--ink);margin:0 0 6px}
.dash-hero p{color:var(--body);max-width:48rem;line-height:1.8}
.dash-trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:0 0 34px}
.dash-trust .ti{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 14px;text-align:center}
.dash-trust .ti b{display:block;color:var(--ink);font-size:.98rem;margin-bottom:2px}
.dash-trust .ti span{color:var(--muted);font-size:.83rem}
.dash-h{display:flex;align-items:center;justify-content:space-between;margin:6px 0 18px}
.dash-h h2{font-size:1.3rem;color:var(--ink);margin:0}
.dash-all{color:var(--green2);text-decoration:none;font-weight:600;font-size:.92rem}
.hub-lead{color:var(--body);margin:0 0 24px;max-width:48rem;line-height:1.8}
.app-content .certshow{background:#fff;border:1px solid var(--line);border-radius:18px;margin-top:44px}
.certshow-in{max-width:760px;margin:0 auto;padding:36px 24px;text-align:center}
@media(max-width:640px){.dash-trust{grid-template-columns:1fr 1fr}}
/* certificates list */
.certrow{display:flex;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px;flex-wrap:wrap}
.certrow b{color:var(--ink)}.crmeta{color:var(--muted);font-size:.85rem;margin-top:4px;direction:ltr;text-align:right}
.crbtns{display:flex;gap:8px}
.crlink{color:#fff;background:var(--green);text-decoration:none;font-weight:600;font-size:.86rem;padding:8px 16px;border-radius:100px;white-space:nowrap}
.crlink.ghost{color:var(--ink);background:#fff;border:1px solid var(--line)}
.hub-empty{background:#fff;border:1px dashed var(--line-2);border-radius:16px;padding:40px 24px;text-align:center;color:var(--muted)}
/* verify */
.vpanel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;max-width:520px}
.vform{display:flex;gap:10px}
.vform input{flex:1;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;text-align:center;letter-spacing:1px}
.vres{margin-top:18px}.vwait{color:var(--muted)}
.vok{background:var(--mist);border:1px solid var(--line);border-inline-start:4px solid var(--green);border-radius:12px;padding:16px 20px;color:var(--body);line-height:1.9}
.vok b{color:var(--green2);display:block;margin-bottom:8px;font-size:1.05rem}
.vissuer{color:var(--muted);font-size:.85rem;margin-top:8px}
.vno{color:var(--red);padding:12px 0}
/* reader overview link + cert buttons */
.side .ov-link{display:block;color:var(--muted);font-size:.82rem;padding:2px 22px 14px;margin-bottom:8px;cursor:pointer;text-decoration:none;border-bottom:1px solid var(--line)}
.side .ov-link:hover{color:var(--green2)}
#certactions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}