/* Paragon online campus. Petalyx language: Inter Tight, olive and lime, pills, 22px radius, ticket cards. */
:root{
  --ink:#0f1a33; --muted:#5b6478; --olive:#13254f; --olive-2:#1d3670; --green:#3c5a93; --lime:#c6a86b; --pill:#f1e8d8;
  --line:#e8e2d6; --gold:#c6a86b; --gold-ink:#8f6f33; --soft:#faf7f1; --bg:#fff; --danger:#b3261e; --danger-bg:#fbeceb; --ok-bg:#f1ead9; --radius:22px;
  --f:"Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif; --f-serif:"Newsreader",Georgia,serif;
}
*{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;font-family:var(--f);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.55;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
img,video,iframe{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--olive);outline-offset:3px;border-radius:6px}
main:focus,main:focus-visible{outline:none}
h1,h2,h3{font-weight:400;letter-spacing:-.03em;margin:0;text-wrap:balance}
p{margin:0}
[hidden]{display:none!important}

/* nav */
.top{position:sticky;top:0;z-index:30;padding:14px 16px;background:linear-gradient(#fff 60%,rgba(255,255,255,0))}
.nav{margin:0 auto;width:min(1180px,100%);display:flex;align-items:center;justify-content:space-between;gap:20px;padding:5px 5px 5px 16px;border-radius:999px;background:rgba(255,255,255,.92);box-shadow:0 0 0 1px rgba(0,0,0,.05),0 6px 18px rgba(0,0,0,.06);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand svg{width:26px;height:30px;color:var(--olive);flex:none}
.brand i{width:1.5px;height:24px;background:var(--gold)}
.brand span{font-family:Montserrat,"Inter Tight",sans-serif;font-weight:800;font-size:11.5px;line-height:1.05;letter-spacing:.06em;color:var(--olive)}
.nav-links{display:flex;gap:6px;flex:1;justify-content:center}
.nav-links a{text-decoration:none;font-size:13.5px;font-weight:500;color:#3a4459;padding:7px 12px;border-radius:999px}
.nav-links a:hover{background:var(--soft)}
.nav-links a.on{background:var(--pill);color:#13254f}
.nav-r{display:flex;align-items:center;gap:6px}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--olive);display:grid;place-items:center;font-weight:600;font-size:13px;color:#faf6ee;box-shadow:0 0 0 2px var(--gold);text-decoration:none}

/* buttons, pills */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:38px;padding:0 18px;border-radius:999px;background:var(--olive);color:#faf6ee;font:600 13.5px/1 var(--f);letter-spacing:-.01em;white-space:nowrap;border:0;cursor:pointer;text-decoration:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 2px 6px rgba(15,26,51,.25);transition:transform .25s,background .25s}
.btn:hover{transform:translateY(-1px);background:var(--olive-2)}
.btn:disabled{opacity:.55;cursor:default;transform:none}
.btn.lg{height:46px;padding:0 24px;font-size:14.5px}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:none}
.btn.ghost:hover{background:var(--soft)}
.btn.line{background:#fff;color:var(--ink);box-shadow:0 0 0 1px var(--line)}
.btn.line:hover{background:var(--soft)}
.btn.danger{background:#fff;color:var(--danger);box-shadow:0 0 0 1px #efc9c6}
.btn.sm{height:32px;padding:0 13px;font-size:12.5px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:500;padding:5px 10px;border-radius:999px;background:var(--pill);color:#13254f;letter-spacing:.01em;width:max-content;max-width:100%}
.pill.done{background:var(--olive);color:#faf6ee}
.pill.muted{background:var(--soft);color:var(--muted)}

/* layout */
main{flex:1;width:min(1180px,100%);margin:0 auto;padding:24px max(16px,env(safe-area-inset-right,0px)) 80px max(16px,env(safe-area-inset-left,0px));outline:none}
.loading{padding:80px 0;text-align:center;color:var(--muted)}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;width:min(1180px,100%);margin:0 auto;padding:26px 16px 34px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}
.foot a{color:inherit}
.eyebrow{font-size:12px;font-weight:500;color:var(--muted);letter-spacing:.02em}
.h1{font-size:clamp(34px,5vw,64px);line-height:1.02;letter-spacing:-.045em}
.h1 em{font-style:italic;font-weight:500;color:var(--gold-ink)}
.h2{font-size:clamp(24px,2.8vw,36px);line-height:1.1}
.lead{font-size:17px;color:#2a3247;max-width:60ch}
.muted{color:var(--muted)}
.back{display:inline-flex;gap:6px;align-items:center;font-size:13px;color:var(--muted);text-decoration:none;margin-bottom:18px}
.back:hover{color:var(--ink)}

/* catalog */
.hero-c{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;align-items:end;padding:36px 0 40px}
.hero-c .txt{display:grid;gap:18px}
.hero-c .art{border-radius:var(--radius);overflow:hidden;aspect-ratio:16/10;position:relative}
.hero-c .art img{width:100%;height:100%;object-fit:cover}
.hero-c .art span{position:absolute;left:14px;bottom:14px}
.continue{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:0 0 44px}
.ticket{border-radius:var(--radius);background:var(--olive);box-shadow:inset 0 0 0 1px rgba(198,168,107,.35);padding:18px 22px;display:grid;gap:10px;text-decoration:none;
  -webkit-mask:radial-gradient(circle 15px at 0 55%,#0000 97%,#000) left/51% 100% no-repeat,radial-gradient(circle 15px at 100% 55%,#0000 97%,#000) right/51% 100% no-repeat;
  mask:radial-gradient(circle 15px at 0 55%,#0000 97%,#000) left/51% 100% no-repeat,radial-gradient(circle 15px at 100% 55%,#0000 97%,#000) right/51% 100% no-repeat;transition:transform .25s}
.ticket:hover{transform:translateY(-2px)}
.ticket small{font-size:11px;font-weight:500;color:#c6a86b}
.ticket b{font-size:19px;font-weight:600;letter-spacing:-.03em;color:#faf6ee;line-height:1.2}
.bar{height:6px;border-radius:99px;background:rgba(250,246,238,.14);overflow:hidden}
.bar i{display:block;height:100%;background:#c6a86b;border-radius:inherit}
.ticket .bar{background:rgba(250,246,238,.16)}
.section-h{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.course{display:flex;flex-direction:column;gap:12px;padding:22px 22px 18px;border-radius:var(--radius);background:var(--soft);border:1px solid var(--line);text-decoration:none;min-height:280px;transition:transform .3s,box-shadow .3s,background .3s}
.course:hover{transform:translateY(-4px);background:#fff;box-shadow:0 20px 40px rgba(15,26,51,.10)}
.course .idx{font-size:52px;font-weight:600;letter-spacing:-.06em;line-height:.8;color:var(--lime)}
.course h3{font-size:21px;font-weight:500;line-height:1.15}
.course p{font-size:14px;color:#3a4459;flex:1;line-height:1.45}
.course .meta{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px;gap:8px}
.course .meta b{color:var(--olive);font-weight:600}
@media (max-width:980px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-c{grid-template-columns:1fr}}
@media (max-width:560px){.grid{grid-template-columns:1fr}.course{min-height:0}}

/* course page */
.course-head{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;padding:12px 0 40px;border-bottom:1px solid var(--line)}
.course-head .txt{display:grid;gap:16px;align-content:start}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-content:start}
.fact{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:14px 16px;display:grid;gap:4px}
.fact b{font-size:26px;font-weight:600;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.fact small{font-size:11.5px;color:var(--muted)}
.facts .cta{grid-column:1/-1;display:grid;gap:10px;margin-top:6px}
.facts .cta .btn{width:100%}
.lessons{list-style:none;margin:28px 0 0;padding:0;display:grid}
.lessons li a{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 6px;border-bottom:1px solid var(--line);text-decoration:none;transition:background .2s}
.lessons li a:hover{background:var(--soft)}
.lessons .n{font-size:30px;font-weight:600;letter-spacing:-.05em;color:var(--lime);text-align:center}
.lessons .done .n{color:var(--olive)}
.lessons h3{font-size:18px;font-weight:500}
.lessons .sub{font-size:13px;color:var(--muted)}
@media (max-width:860px){.course-head{grid-template-columns:1fr;gap:24px}}

/* lesson */
.lesson-wrap{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start}
.outline{position:sticky;top:88px;display:grid;gap:4px}
.outline .ct{font-size:13px;font-weight:600;margin-bottom:8px;text-decoration:none}
.outline a.ol{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;align-items:start;padding:9px 10px;border-radius:12px;text-decoration:none;font-size:13.5px;line-height:1.35;color:#3a4459}
.outline a.ol:hover{background:var(--soft)}
.outline a.ol.on{background:var(--pill);color:#faf6ee;font-weight:500}
.outline .dot{width:20px;height:20px;border-radius:50%;border:1.5px solid #c9c1ae;display:grid;place-items:center;font-size:11px;margin-top:1px}
.outline .done .dot{background:var(--olive);border-color:var(--olive);color:#fff}
.lesson-main{min-width:0}
.lesson-main .h1{font-size:clamp(30px,4vw,48px);margin:10px 0 8px}
.video{position:relative;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:#000;margin:24px 0}
.video iframe,.video video{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:900px){.lesson-wrap{grid-template-columns:1fr;gap:20px}.outline{position:static;border-bottom:1px solid var(--line);padding-bottom:14px}}

/* prose */
.prose{font-family:var(--f-serif);font-size:19px;line-height:1.65;max-width:68ch;color:#1b1d18;margin-top:26px}
.prose > * + *{margin-top:1em}
.prose h2{font-family:var(--f);font-size:24px;font-weight:500;letter-spacing:-.03em;margin-top:1.8em}
.prose h3{font-family:var(--f);font-size:19px;font-weight:600;margin-top:1.5em}
.prose strong{font-weight:600;font-family:var(--f);font-size:.92em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li + li{margin-top:.35em}
.prose blockquote{margin-left:0;padding:14px 20px;border-left:3px solid var(--lime);background:var(--soft);border-radius:0 14px 14px 0;font-style:italic}
.prose code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.82em;background:var(--soft);padding:2px 6px;border-radius:6px}
.prose pre{background:#0f1a33;color:#f1e8d8;padding:16px 18px;border-radius:14px;overflow-x:auto}
.prose pre code{background:none;padding:0;color:inherit;font-size:15px}
.prose .tw{overflow-x:auto}
.prose table{border-collapse:collapse;font-family:var(--f);font-size:14.5px;width:100%;line-height:1.4}
.prose th{text-align:left;font-weight:600;border-bottom:1.5px solid var(--ink);padding:8px 12px 8px 0}
.prose td{border-bottom:1px solid var(--line);padding:9px 12px 9px 0;vertical-align:top}
.prose a{color:var(--olive)}

/* quiz */
.quiz{margin-top:48px;border-radius:var(--radius);background:var(--soft);border:1px solid var(--line);padding:28px clamp(18px,3vw,34px) 30px;max-width:68ch}
.quiz-h{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:6px}
.quiz-h h2{font-size:26px}
.q{border:0;margin:24px 0 0;padding:0}
.q legend{font-weight:500;font-size:16.5px;margin-bottom:12px;line-height:1.4}
.q legend span{color:var(--muted);font-weight:400;margin-right:6px}
.opt{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);margin-top:8px;cursor:pointer;font-size:15px;line-height:1.4;transition:border-color .2s,background .2s}
.opt:hover{border-color:#cfc6b2}
.opt input{margin-top:3px;accent-color:var(--olive);flex:none}
.opt.right{border-color:var(--olive);background:var(--ok-bg)}
.opt.wrong{border-color:#e3a39e;background:var(--danger-bg)}
.expl{font-size:14px;color:#2a3247;margin-top:10px;padding-left:2px}
.verdict{margin-top:24px;border-radius:16px;padding:16px 18px;display:grid;gap:10px}
.verdict.pass{background:var(--lime);color:#0f1a33}
.verdict.fail{background:var(--danger-bg);color:#5f1712}
.verdict b{font-size:18px;letter-spacing:-.02em}
.verdict .row{display:flex;gap:8px;flex-wrap:wrap}
.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line);max-width:68ch;flex-wrap:wrap}

/* forms */
.auth{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;padding:24px 0}
.auth .art{border-radius:26px;overflow:hidden;aspect-ratio:4/5;position:relative}
.auth .art img{width:100%;height:100%;object-fit:cover}
.auth .art .cap{position:absolute;left:18px;right:18px;bottom:18px;padding:16px 18px;border-radius:18px;background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);font-size:14px;line-height:1.45}
.form{display:grid;gap:16px;max-width:420px;width:100%}
.form h1{font-size:clamp(30px,4vw,44px);letter-spacing:-.045em;line-height:1.05}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:500}
.field .hint{font-size:12px;color:var(--muted)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{width:100%;font:inherit;font-size:15px;color:var(--ink);background:#fff;border:1px solid #d8d3c8;border-radius:12px;padding:11px 13px;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--olive);box-shadow:0 0 0 3px rgba(19,37,79,.15)}
textarea{min-height:120px;resize:vertical;line-height:1.5}
textarea.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13.5px;min-height:340px}
.alt{font-size:14px;color:var(--muted)}
.alt a{color:var(--olive);font-weight:500}
.msg{border-radius:12px;padding:12px 14px;font-size:14px;line-height:1.45}
.msg.err{background:var(--danger-bg);color:#5f1712}
.msg.ok{background:var(--ok-bg);color:#13254f}
.oauth{display:grid;gap:8px}
.sep{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.sep::before,.sep::after{content:"";flex:1;height:1px;background:var(--line)}
@media (max-width:860px){.auth{grid-template-columns:1fr}.auth .art{display:none}}

/* dashboard */
.dash-h{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;padding:12px 0 30px}
.my{display:grid;gap:12px}
.my-row{display:grid;grid-template-columns:minmax(0,1fr) 200px auto;gap:20px;align-items:center;padding:18px 20px;border-radius:18px;border:1px solid var(--line);background:#fff}
.my-row h3{font-size:19px;font-weight:500}
.my-row .bar{background:var(--line)}
.my-row .bar i{background:var(--olive)}
.my-row .pct{font-size:12px;color:var(--muted);margin-top:6px}
@media (max-width:720px){.my-row{grid-template-columns:1fr}}
.two{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;margin-top:44px}
.panel{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:#fff;display:grid;gap:16px;align-content:start}
.panel h2{font-size:22px}
.certs{display:grid;gap:10px}
.cert-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-radius:14px;background:var(--soft);text-decoration:none;flex-wrap:wrap}
.cert-row code{font-size:12px;color:var(--muted)}
.empty{padding:28px;border:1px dashed #d6d0c3;border-radius:18px;text-align:center;color:var(--muted);display:grid;gap:12px;justify-items:center}
@media (max-width:860px){.two{grid-template-columns:1fr}}

/* certificate */
.cert-page{display:grid;justify-items:center;gap:20px;padding:10px 0 20px}
.cert{width:min(980px,100%);aspect-ratio:1.414;background:#fff;border-radius:6px;box-shadow:0 30px 70px rgba(15,26,51,.14),0 0 0 1px var(--line);position:relative;overflow:hidden;display:grid;place-items:center;text-align:center;padding:6% 8%}
.cert::before{content:"";position:absolute;inset:18px;border:1.5px solid var(--olive);border-radius:2px}
.cert::after{content:"";position:absolute;inset:24px;border:1px solid var(--gold);border-radius:2px}
.cert .in{position:relative;display:grid;gap:clamp(6px,1.4vw,16px);justify-items:center}
.cert svg{width:clamp(30px,4vw,46px);height:auto;color:var(--olive)}
.cert .org{font-size:clamp(10px,1.2vw,13px);letter-spacing:.24em;text-transform:uppercase;font-weight:600}
.cert .t{font-family:var(--f-serif);font-style:italic;font-size:clamp(16px,2.2vw,26px);color:var(--muted)}
.cert .name{font-family:var(--f-serif);font-size:clamp(28px,5.4vw,64px);line-height:1;letter-spacing:-.02em}
.cert .course-n{font-size:clamp(16px,2.4vw,28px);font-weight:500;letter-spacing:-.03em}
.cert .sm{font-size:clamp(9px,1.1vw,12.5px);color:var(--muted);max-width:56ch;line-height:1.5}
.cert .meta{display:flex;gap:clamp(16px,5vw,60px);margin-top:clamp(6px,1.5vw,18px);font-size:clamp(9px,1.1vw,12px);color:var(--muted)}
.cert .meta b{display:block;color:var(--ink);font-size:clamp(10px,1.3vw,14px);font-weight:600}
.cert-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
@media print{
  .top,.foot,.cert-actions,.back,.toast{display:none!important}
  main{padding:0;width:100%}
  .cert{box-shadow:none;width:100%}
  @page{size:A4 landscape;margin:0}
}

/* admin */
.tabs{display:flex;gap:6px;margin:4px 0 26px;flex-wrap:wrap}
.tabs a{font-size:13.5px;font-weight:500;padding:8px 14px;border-radius:999px;text-decoration:none;background:var(--soft)}
.tabs a.on{background:var(--olive);color:#faf6ee}
.kpis{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:30px}
.kpis .ticket{cursor:default}
.kpis .ticket:hover{transform:none}
.kpis .ticket b{font-size:34px;font-variant-numeric:tabular-nums}
@media (max-width:900px){.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
.tbl th{text-align:left;font-weight:600;font-size:12px;color:var(--muted);padding:12px 14px;border-bottom:1px solid var(--line);background:var(--soft)}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl td.n{font-variant-numeric:tabular-nums;text-align:right}
.tbl th.n{text-align:right}
.ed{display:grid;gap:14px}
.ed-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (max-width:720px){.ed-grid{grid-template-columns:1fr}}
.check{display:flex;gap:8px;align-items:center;font-size:14px}
details.les{border:1px solid var(--line);border-radius:18px;background:#fff}
details.les + details.les{margin-top:10px}
details.les > summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 18px}
details.les > summary::-webkit-details-marker{display:none}
details.les > summary .n{font-size:22px;font-weight:600;color:var(--lime);letter-spacing:-.05em}
details.les[open] > summary{border-bottom:1px solid var(--line)}
details.les .body{padding:18px;display:grid;gap:14px}
.qed{border:1px solid var(--line);border-radius:14px;padding:14px;display:grid;gap:10px;background:var(--soft)}
.qed .opts{display:grid;gap:6px}
.qed .optrow{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px;align-items:center}
.row-end{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.split-ed{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px}
.split-ed .prose{font-size:16px;margin:0;padding:14px;border:1px solid var(--line);border-radius:12px;max-height:520px;overflow:auto}
@media (max-width:900px){.split-ed{grid-template-columns:1fr}}

.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#0f1a33;color:#f1ead9;padding:11px 18px;border-radius:999px;font-size:14px;z-index:60;box-shadow:0 10px 30px rgba(0,0,0,.2);max-width:calc(100% - 32px)}

@media (max-width:760px){
  .nav-links{display:none}
  .nav{padding-left:12px}
  .mobile-links{display:flex}
}
.mobile-links{display:none;gap:6px;overflow-x:auto;margin:0 0 6px}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}