/* NextGen Learn — navy + amber */
:root{
  --navy:#0B1F3A; --navy-2:#132D52; --amber:#F5A524; --amber-d:#D98A0B;
  --ink:#16213A; --muted:#5E6B82; --line:#E3E7EF; --bg:#F5F7FB; --card:#fff;
  --ok:#14804A; --ok-bg:#E7F6EE; --err:#B42318; --err-bg:#FDECEA; --info-bg:#EAF1FB;
  --r:14px; --shadow:0 1px 2px rgba(11,31,58,.06),0 6px 24px rgba(11,31,58,.06);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--navy-2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;color:var(--navy)}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.small{font-size:13px}
.center{text-align:center}
.mt{margin-top:24px}.mb{margin-bottom:24px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--amber);color:var(--navy);font-weight:700;border:0;border-radius:10px;padding:12px 22px;font-size:15px;cursor:pointer;font-family:inherit;text-decoration:none!important;transition:background .15s,transform .05s}
.btn:hover{background:var(--amber-d);color:var(--navy)}
.btn:active{transform:translateY(1px)}
.btn-navy{background:var(--navy);color:#fff}.btn-navy:hover{background:var(--navy-2);color:#fff}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--navy)}.btn-ghost:hover{background:#fff;border-color:var(--navy)}
.btn-danger{background:var(--err);color:#fff}.btn-danger:hover{background:#912018;color:#fff}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-outline{border:1.5px solid var(--navy);border-radius:8px;padding:6px 14px!important;color:var(--navy)!important;font-weight:600}

/* Top bar */
.topbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none!important}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--navy);color:var(--amber);display:grid;place-items:center;font-weight:800;font-size:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text b{color:var(--navy);font-size:18px;letter-spacing:.2px}
.brand-text small{color:var(--muted);font-size:11.5px}
.nav{display:flex;align-items:center;gap:18px}
.nav>a{color:var(--ink);font-weight:500;padding:6px 4px}
.nav>a.on:not(.btn-outline){color:var(--navy);box-shadow:inset 0 -2px 0 var(--amber)}
.nav>a:hover{text-decoration:none;color:var(--navy)}
.nav>a.btn{padding:8px 16px;color:var(--navy)}
.nav-toggle{display:none;background:none;border:0;font-size:24px;cursor:pointer;color:var(--navy)}
.user-menu{position:relative}
.user-btn{background:none;border:0;font:600 13px inherit;font-family:inherit;color:var(--navy-2);cursor:pointer;letter-spacing:.3px}
.user-drop{display:none;position:absolute;right:0;top:120%;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);min-width:160px;overflow:hidden}
.user-menu.open .user-drop{display:block}
.user-drop a{display:block;padding:10px 14px;color:var(--ink)}
.user-drop a:hover{background:var(--bg);text-decoration:none}

/* Flash */
.flash{padding:12px 0;font-weight:500}
.flash-ok{background:var(--ok-bg);color:var(--ok)}
.flash-err{background:var(--err-bg);color:var(--err)}
.flash-info{background:var(--info-bg);color:var(--navy-2)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#163562 100%);color:#fff;overflow:hidden;position:relative}
.hero:after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(245,165,36,.25),transparent 70%)}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:72px 20px 80px;position:relative;z-index:1}
.hero h1{color:#fff;font-size:44px;letter-spacing:-.5px;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero p{color:#C9D3E5;font-size:17px;max-width:560px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}.hero .btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.hero-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:22px;backdrop-filter:blur(4px)}
.hero-card h4{color:#fff;margin-bottom:14px;font-size:15px}
.hc-row{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid rgba(255,255,255,.1);color:#DCE4F2;font-size:14px}
.hc-row:first-of-type{border-top:0}
.hc-dot{width:34px;height:34px;border-radius:9px;background:rgba(245,165,36,.16);color:var(--amber);display:grid;place-items:center;font-weight:700;flex:none}
.hero-stats{display:flex;gap:28px;margin-top:34px;flex-wrap:wrap}
.hero-stats div b{display:block;color:var(--amber);font-size:22px}
.hero-stats div span{color:#AFC0DA;font-size:13px}

/* Sections */
.section{padding:64px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:28px;margin:0}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.2px;color:var(--amber-d);text-transform:uppercase;margin-bottom:6px}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px}
.feature .ic{width:44px;height:44px;border-radius:12px;background:var(--navy);color:var(--amber);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.feature h3{font-size:16px;margin-bottom:6px}
.feature p{margin:0;color:var(--muted);font-size:14px}

/* Course cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;color:inherit;text-decoration:none!important}
a.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(11,31,58,.12)}
.card-media{aspect-ratio:16/9;background:#e9edf4;position:relative;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;top:10px;left:10px;background:#fff;color:var(--navy);font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:6px;letter-spacing:.3px}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;margin:4px 0 6px}
.card-body p{margin:0 0 12px;color:var(--muted);font-size:14px}
.price{display:flex;align-items:baseline;gap:8px;font-weight:800;color:var(--navy);font-size:18px}
.price s{color:#98A2B3;font-weight:500;font-size:14px}
.price .off{font-size:12px;font-weight:700;color:var(--ok);background:var(--ok-bg);padding:2px 7px;border-radius:5px}
.trainer{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:12px;margin-top:auto;font-size:13.5px;font-weight:600;color:var(--ink)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--navy);color:var(--amber);display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
.gen-cover{position:absolute;inset:0;background:linear-gradient(135deg,var(--navy) 0%,hsl(var(--h),45%,28%) 100%);color:#fff;padding:44px 18px 16px;display:flex;flex-direction:column;justify-content:flex-end}
.gen-cover:before{content:"";position:absolute;right:-30px;top:-30px;width:150px;height:150px;border-radius:50%;border:22px solid rgba(245,165,36,.22)}
.gc-tag{position:absolute;top:12px;left:12px;font-size:10.5px;font-weight:800;letter-spacing:1.4px;color:var(--navy);background:var(--amber);padding:3px 8px;border-radius:5px}
.gc-title{font-weight:800;font-size:19px;line-height:1.18;position:relative;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.gc-brand{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--amber);margin-top:6px;font-weight:700}
.progress{height:7px;background:#E7EBF2;border-radius:6px;overflow:hidden}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--amber),#F7BE55);border-radius:6px}

/* Course detail */
.detail-top{background:#fff;border-bottom:1px solid var(--line)}
.detail-grid{display:grid;grid-template-columns:1fr 360px;gap:36px;padding:40px 20px}
.detail-grid h1{font-size:32px}
.buy-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;position:sticky;top:88px;align-self:start}
.buy-box .card-media{aspect-ratio:16/9}
.buy-in{padding:20px}
.buy-in .price{font-size:28px;margin-bottom:12px}
.buy-in ul{padding-left:18px;margin:14px 0 0;color:var(--muted);font-size:14px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin-bottom:20px}
.panel h2{font-size:18px}
.prose p{margin:0 0 12px}.prose ul{margin:0 0 12px;padding-left:20px}
.acc{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;background:#fff}
.acc summary{padding:13px 16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;list-style:none;color:var(--navy)}
.acc summary::-webkit-details-marker{display:none}
.acc summary span{color:var(--muted);font-weight:500;font-size:13px}
.acc ul{list-style:none;margin:0;padding:0 16px 10px}
.acc li{padding:8px 0;border-top:1px dashed var(--line);display:flex;justify-content:space-between;gap:10px;font-size:14px}
.tag-free{font-size:11px;font-weight:700;color:var(--ok);background:var(--ok-bg);padding:1px 7px;border-radius:5px}
.enrolled-pill{display:inline-block;background:var(--ok-bg);color:var(--ok);font-weight:700;font-size:13px;padding:4px 10px;border-radius:6px;margin-bottom:10px}

/* Auth */
.auth{min-height:calc(100vh - 68px);display:grid;place-items:center;padding:40px 16px;background:radial-gradient(circle at 10% 10%,#E9EEF8,transparent 40%),radial-gradient(circle at 90% 90%,#FCEFD7,transparent 40%),var(--bg)}
.auth-box{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:34px;width:100%;max-width:420px}
.auth-box h1{font-size:24px;margin-bottom:4px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:13.5px;margin-bottom:6px;color:var(--ink)}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--navy-2);box-shadow:0 0 0 3px rgba(19,45,82,.1)}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:5px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.check{display:flex;gap:8px;align-items:center;font-size:14px}

/* My space */
.my-head{background:var(--navy);color:#fff;padding:36px 0}
.my-head h1{color:#fff;margin:0}
.my-head p{color:#B8C5DB;margin:4px 0 0}

/* Player */
.player-body{background:#fff}
.player{display:grid;grid-template-columns:320px 1fr;min-height:100vh}
.side{background:#F3F5F9;border-right:1px solid var(--line);height:100vh;position:sticky;top:0;display:flex;flex-direction:column}
.side-head{padding:16px 18px 12px;border-bottom:1px solid var(--line)}
.side-head a.back{font-size:13px;color:var(--muted)}
.side-head h2{font-size:17px;margin:12px 0 4px}
.side-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:8px}
.side-meta b{color:var(--ok)}
.side-search{padding:12px 18px}
.side-search input{width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:13.5px;background:#fff}
.side-list{overflow-y:auto;flex:1;padding:0 10px 24px}
.ch{margin-bottom:4px}
.ch summary{padding:10px 8px;font-weight:700;font-size:13.5px;cursor:pointer;list-style:none;display:flex;justify-content:space-between;color:var(--navy)}
.ch summary::-webkit-details-marker{display:none}
.ch summary:after{content:"▾";color:var(--muted)}
.ch:not([open]) summary:after{content:"▸"}
.ls{display:flex;gap:10px;align-items:flex-start;padding:7px 8px 7px 10px;border-radius:8px;font-size:13.5px;color:var(--ink)}
.ls:hover{background:#E8ECF3;text-decoration:none}
.ls.cur{background:#fff;color:var(--amber-d);font-weight:600;box-shadow:inset 3px 0 0 var(--amber)}
.ls .tick{width:16px;height:16px;border-radius:50%;border:1.5px solid #B5BFCE;flex:none;margin-top:3px;display:grid;place-items:center;font-size:10px;color:#fff}
.ls.done .tick{background:var(--ok);border-color:var(--ok)}
.ls.locked{opacity:.55}
.main{display:flex;flex-direction:column;min-width:0}
.main-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 26px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff;z-index:5}
.main-bar h1{font-size:17px;margin:0}
.main-bar small{color:var(--muted);font-size:11.5px;letter-spacing:.6px;text-transform:uppercase}
.main-in{padding:24px 26px 60px;max-width:1100px;width:100%}
.video-box{position:relative;background:#0B1220;border-radius:12px;overflow:hidden;aspect-ratio:16/9}
.video-box iframe,.video-box video{position:absolute;inset:0;width:100%;height:100%;border:0}
.wm{position:absolute;pointer-events:none;color:rgba(255,255,255,.28);font-size:13px;font-weight:600;z-index:3;white-space:nowrap;animation:wm 26s linear infinite alternate;text-shadow:0 1px 2px rgba(0,0,0,.4)}
@keyframes wm{0%{top:8%;left:6%}25%{top:70%;left:55%}50%{top:30%;left:68%}75%{top:80%;left:10%}100%{top:15%;left:40%}}
.pop-block{position:absolute;top:0;right:0;width:70px;height:60px;z-index:4}
.no-video{display:grid;place-items:center;color:#9AA7BD;font-size:14px;height:100%}
.handouts{margin-top:22px}
.handouts a{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;color:var(--ink);font-weight:500}
.handouts a:hover{border-color:var(--navy-2);text-decoration:none}
.lock-box{background:#fff;border:1px dashed var(--line);border-radius:12px;padding:40px;text-align:center}
.side-toggle{display:none}

/* Policy pages */
.page-body{max-width:820px;margin:0 auto;padding:48px 20px}
.page-body .panel{padding:32px}

/* Footer */
.footer{background:var(--navy);color:#C2CDE0;margin-top:40px}
.footer-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding:46px 20px 26px}
.footer h4{color:#fff;font-size:14px;margin-bottom:12px}
.footer a{display:block;color:#C2CDE0;font-size:14px;margin-bottom:8px}
.footer .muted{color:#93A3BF;font-size:13.5px;margin-top:12px}
.brand-foot .brand-mark{background:var(--amber);color:var(--navy)}
.brand-foot .brand-text b{color:#fff}.brand-foot .brand-text small{color:#93A3BF}
.copy{border-top:1px solid rgba(255,255,255,.08);padding:16px 20px;font-size:13px;color:#8394B2}
.wa-float{position:fixed;right:20px;bottom:20px;width:54px;height:54px;border-radius:50%;background:#25D366;display:grid;place-items:center;box-shadow:0 6px 20px rgba(0,0,0,.2);z-index:60}
.empty{background:#fff;border:1px dashed var(--line);border-radius:var(--r);padding:44px;text-align:center;color:var(--muted)}

/* Responsive */
@media (max-width:960px){
  .hero-in,.detail-grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .features{grid-template-columns:1fr 1fr}
  .buy-box{position:static}
  .player{grid-template-columns:1fr}
  .side{position:fixed;left:0;top:0;bottom:0;width:300px;z-index:40;transform:translateX(-100%);transition:transform .2s;height:100%}
  body.side-open .side{transform:none;box-shadow:0 0 40px rgba(0,0,0,.25)}
  .side-toggle{display:inline-flex}
  .main-bar,.main-in{padding-left:16px;padding-right:16px}
}
@media (max-width:720px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 18px;border-bottom:1px solid var(--line);gap:6px}
  body.nav-open .nav{display:flex}
  .user-drop{position:static;display:block;border:0;box-shadow:none}
  .user-btn{display:none}
  .features{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .hero .hero-in{padding:44px 16px 56px}
  .wrap{padding:0 16px}
  .main-bar h1{font-size:15px}
}