:root{--bg:#070708;--bg-2:#0d0e11;--panel:#111214;--panel-2:#17181d;--ink:#f5f5f2;--muted:#a8afbd;--muted-2:#798293;--gold:#f6b82c;--gold-strong:#ffc83f;--gold-soft:rgba(246,184,44,.18);--bronze:#8a5a2d;--line:rgba(255,255,255,.09);--line-strong:rgba(246,184,44,.28);--radius:10px;--max:1180px;--font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--gold);text-decoration:none}a:hover{color:var(--gold-strong)}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:600}
h1,h2,h3{margin:0 0 .4em;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(34px,5.5vw,60px);font-weight:700}h2{font-size:clamp(24px,3.2vw,34px);font-weight:650}h3{font-size:18px;font-weight:600}
p{margin:0 0 1em}.lead{font-size:18px;color:var(--muted);max-width:640px}
.icon{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(7,7,8,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-weight:600}
.brand img{width:40px;height:40px}.brand small{display:block;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);font-weight:500}
.nav{display:flex;gap:22px;margin-left:auto;font-size:14px}.nav a{color:var(--muted)}.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:8px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-gold{background:var(--gold);color:#111;border-color:var(--gold)}.btn-gold:hover{background:var(--gold-strong);color:#111}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(255,255,255,.22)}.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-sm{padding:8px 14px;font-size:14px}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 10px}
/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg)}
.hero-bg{position:absolute;inset:0;background:url(img/hero.webp) center/cover no-repeat;opacity:.55}
.no-webp .hero-bg{background-image:url(img/hero.jpg)}
.hero-fade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,7,8,.96) 0%,rgba(7,7,8,.85) 45%,rgba(7,7,8,.35) 100%),linear-gradient(0deg,var(--bg) 0%,rgba(7,7,8,0) 40%)}
.hero .wrap{position:relative;padding:96px 20px 88px;max-width:var(--max)}
.hero h1{max-width:620px}.hero .lead{margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.facts{display:flex;flex-wrap:wrap;gap:28px;font-size:14px;color:var(--muted)}.facts b{display:block;color:var(--ink);font-size:16px}
/* sections */
section{padding:72px 0}section.alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px;margin-bottom:34px}.sec-head p{margin:0;color:var(--muted);max-width:560px}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:.15s;display:flex;flex-direction:column;gap:10px;color:var(--ink)}
a.card:hover{border-color:var(--line-strong);background:var(--panel-2);transform:translateY(-2px);color:var(--ink)}
.card .ico{width:42px;height:42px;border-radius:9px;background:var(--gold-soft);color:var(--gold);display:grid;place-items:center}
.card p{color:var(--muted);font-size:15px;margin:0;flex:1}.card .more{font-size:14px;color:var(--gold);font-weight:600}
/* phases */
.phases{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:ph}
.phase{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 22px}
.phase .num{font-size:12px;letter-spacing:.2em;color:var(--gold);font-weight:700}
.phase h3{margin:6px 0 4px}.phase p{color:var(--muted);font-size:15px;margin:0 0 10px}.phase .time{font-size:13px;color:var(--ink);background:var(--gold-soft);display:inline-block;padding:3px 10px;border-radius:999px}
.phase.auto{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(246,184,44,.08),rgba(246,184,44,0))}
/* downloads */
.dl{display:grid;grid-template-columns:150px 1fr;gap:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.dl img{border-radius:6px;box-shadow:0 12px 30px rgba(0,0,0,.5);border:1px solid var(--line)}
.dl .meta{font-size:13px;color:var(--muted-2);margin-bottom:10px}.dl p{color:var(--muted);font-size:15px}.dl .acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto}
/* videos: lesson grid on the portal page */
.lessons .card{padding:0;overflow:hidden;gap:0}.lesson img{aspect-ratio:16/9;object-fit:cover;width:100%;border-bottom:1px solid var(--line)}
.lesson-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:4px}.lesson-n{font-size:12px;letter-spacing:.2em;color:var(--gold);font-weight:700}.lesson-body h3{margin:0;font-size:16px}.lesson-body p{font-size:13px;color:var(--muted-2);flex:0}
/* request */
.req{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.req ul{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}.req li{display:flex;gap:12px;align-items:start;color:var(--muted)}.req li .icon{flex:none;color:var(--gold);margin-top:3px}.req li b{color:var(--ink);display:block}
.form-box{background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius);padding:26px}
.zammad-form .form-group{margin-bottom:14px}.zammad-form label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600}
.zammad-form input[type=text],.zammad-form input[type=email],.zammad-form textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:11px 12px;font:inherit;font-size:15px}
.zammad-form input:focus,.zammad-form textarea:focus{outline:none;border-color:var(--gold)}.zammad-form textarea{min-height:140px;resize:vertical}
.zammad-form input[type=file]{color:var(--muted);font-size:14px}
.zammad-form .btn,.zammad-form button[type=submit]{background:var(--gold);color:#111;border:0;border-radius:8px;padding:12px 20px;font:inherit;font-weight:600;font-size:15px;cursor:pointer;width:100%;margin-top:6px}
.zammad-form button[type=submit]:hover{background:var(--gold-strong)}
.zammad-form .has-error input,.zammad-form .has-error textarea{border-color:#f87171}.zammad-form .help-block,.zammad-form .alert{color:#f87171;font-size:13px}
.form-note{font-size:13px;color:var(--muted-2);margin:14px 0 0}
/* footer */
footer{border-top:1px solid var(--line);padding:40px 0;color:var(--muted-2);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
footer .links{display:flex;flex-wrap:wrap;gap:18px}footer .links a{color:var(--muted)}footer img{height:18px;opacity:.75}
@media (max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.phases{grid-template-columns:repeat(2,1fr)}.req{grid-template-columns:1fr}.soon{grid-template-columns:1fr}}
@media (max-width:720px){.nav{display:none;position:absolute;top:66px;left:0;right:0;background:var(--bg-2);flex-direction:column;padding:16px 20px;border-bottom:1px solid var(--line)}.nav.open{display:flex}.menu-btn{display:block}.top .cta{display:none}.g4,.g3,.g2,.phases{grid-template-columns:1fr}.dl{grid-template-columns:1fr}.dl img{width:150px}.hero .wrap{padding:64px 20px 56px}section{padding:52px 0}}

/* versioned user guide */
.guide-dl{grid-column:1/-1;grid-template-columns:150px 1fr}
.ver-row{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;margin:14px 0}
.sidebar-mock{background:#0c0d0f;border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-size:13px;min-width:210px;position:relative}
.sidebar-mock .sm-top{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:600}
.sidebar-mock .dot{width:8px;height:8px;border-radius:50%;background:#3dba6a;display:inline-block}
.sidebar-mock .bell{margin-left:auto;color:var(--muted);position:relative}.sidebar-mock .bell .icon{width:16px;height:16px}
.sidebar-mock .sm-ver{color:var(--muted-2);margin-top:6px;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;display:inline-block;padding:2px 6px;border:1px dashed var(--gold);border-radius:4px}
.sidebar-mock .sm-hint{position:absolute;left:84px;bottom:12px;color:var(--gold);font-size:11px;white-space:nowrap}
.ver-pick{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted);font-weight:600;max-width:320px}
.ver-pick select{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;font-size:15px;font-weight:500}
.ver-pick select:focus{outline:none;border-color:var(--gold)}
.guide-current{background:var(--bg);border:1px solid var(--line-strong);border-radius:8px;padding:16px 18px;margin-bottom:12px}
.guide-current h4{margin:0 0 4px;font-size:16px}.guide-current .meta{font-size:13px;color:var(--muted-2);margin-bottom:8px}
.guide-current p{color:var(--muted);font-size:14px;margin:0 0 10px}
.badge{display:inline-block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;padding:3px 8px;border-radius:999px;margin-left:8px;vertical-align:middle}
.badge-cur{background:var(--gold-soft);color:var(--gold)}.badge-old{background:rgba(255,255,255,.08);color:var(--muted)}
.archive summary{cursor:pointer;color:var(--gold);font-weight:600;font-size:14px;list-style:none}.archive summary::before{content:"▸ ";}.archive[open] summary::before{content:"▾ ";}
.archive table{width:100%;border-collapse:collapse;margin-top:10px;font-size:14px}.archive th{text-align:left;color:var(--muted-2);font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:6px 8px;border-bottom:1px solid var(--line)}
.archive td{padding:8px;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:middle}.archive td a{white-space:nowrap}
@media (max-width:720px){.ver-row{grid-template-columns:1fr}.guide-dl{grid-template-columns:1fr}}

.nav a.lang{border:1px solid var(--line);border-radius:6px;padding:2px 8px;font-weight:600;letter-spacing:.06em;color:var(--ink)}.nav a.lang:hover{border-color:var(--gold);color:var(--gold)}

/* video training page */
.nav a.active{color:var(--ink)}
.learn-hero{padding:56px 0 32px;border-bottom:1px solid var(--line);background:var(--bg-2)}.learn-hero h1{font-size:clamp(30px,4.2vw,46px)}.learn-hero .lead{max-width:780px;margin-bottom:0}
.learn-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.learn-facts span{font-size:13px;color:var(--ink);background:var(--gold-soft);padding:4px 12px;border-radius:999px}
.learn{padding:36px 0 72px}.learn-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}
.player-box{background:#000;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.player-box video{width:100%;display:block;aspect-ratio:16/9;background:#000}
.lesson-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;margin-top:22px}.lesson-head h2{margin:4px 0 4px;font-size:clamp(22px,2.6vw,28px)}
.l-meta{font-size:13px;color:var(--muted-2)}
.l-tools{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:8px;overflow:hidden}.seg button{background:transparent;border:0;color:var(--muted);padding:7px 12px;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.seg button.on{background:var(--gold);color:#111}
.l-tools select{background:var(--panel);border:1px solid var(--line-strong);color:var(--ink);border-radius:8px;padding:6px 8px;font:inherit;font-size:13px}.l-tools .sel{display:inline-flex;gap:6px;align-items:center}
.chk{display:inline-flex;gap:6px;align-items:center;cursor:pointer}.chk input{accent-color:var(--gold)}
.l-desc{font-size:17px;line-height:1.65;color:var(--ink);margin:18px 0 16px}
.l-acts{display:flex;flex-wrap:wrap;gap:10px}.l-acts .btn.done{border-color:var(--gold);color:var(--gold)}
.l-nav{display:flex;justify-content:space-between;gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}.l-nav .btn[disabled]{opacity:.35;cursor:default}
.playlist{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto}
.pl-head{display:flex;justify-content:space-between;align-items:baseline;font-size:14px}.pl-head span{color:var(--muted-2);font-size:13px}
.pl-bar{height:4px;background:rgba(255,255,255,.08);border-radius:2px;margin:10px 0 6px;overflow:hidden}.pl-bar i{display:block;height:100%;width:0;background:var(--gold);transition:.3s}
.pl-group{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);font-weight:700;margin:16px 0 6px}
.pl-item{display:grid;grid-template-columns:72px 1fr auto;gap:10px;align-items:center;padding:6px;border-radius:8px;color:var(--ink);border:1px solid transparent}.pl-item:hover{background:var(--panel-2);color:var(--ink)}.pl-item.on{border-color:var(--gold);background:var(--panel-2)}
.pl-item img{width:72px;aspect-ratio:16/9;object-fit:cover;border-radius:4px;border:1px solid var(--line)}
.pl-item .pl-t{font-size:14px;font-weight:600;line-height:1.3}.pl-item .pl-t small{display:block;font-weight:400;color:var(--muted-2);font-size:12px}
.pl-item .pl-done{width:20px;height:20px;border-radius:50%;border:1px solid var(--line-strong);display:grid;place-items:center;font-size:12px;color:transparent}.pl-item.done .pl-done{background:var(--gold);border-color:var(--gold);color:#111}
.link-btn{background:none;border:0;color:var(--muted-2);font:inherit;font-size:13px;cursor:pointer;padding:12px 0 0;text-decoration:underline}
@media (max-width:980px){.learn-grid{grid-template-columns:1fr}.playlist{position:static;max-height:none}}

/* in-app help card */
.dl.app-help .acts details{flex-basis:100%;font-size:13px;color:var(--muted-2)}.dl.app-help .acts details ul{margin:6px 0 0;padding-left:18px}