/* Tutorvo — site styles (29.10.2026). Night indigo + warm amber, clean white.
   Tokens (--bg, --surface, --ink, --line, --mint … --lav-ink, --font, --mono, --radius, --shadow) are also read by lab.css. */
:root{
  --night:#0b1033; --night-2:#141a4a; --night-3:#1f2766;
  --brand:#3f3dc8; --brand-600:#3432b0; --brand-700:#2a2894; --brand-50:#efeffd; --brand-100:#dedefb;
  --accent:#f5a524; --accent-600:#e3920f; --accent-ink:#8f5300; --accent-50:#fff6e6;
  --bg:#f7f7fb; --surface:#ffffff; --soft:#eff0f7; --ink:#10142e; --ink-2:#373c59; --muted:#5a6080;
  --line:#e4e6f0; --line-2:#cdd1e2;
  --mint:#d4f1e4; --mint-ink:#137452; --sky:#dce8fc; --sky-ink:#2450a6;
  --lav:#e5e3fd; --lav-ink:#3f3dc8; --peach:#fde3d4; --peach-ink:#a9481d;
  --butter:#fff1c7; --butter-ink:#7a5a00; --rose:#fbe0e6; --rose-ink:#a8344f;
  --on-dark:#c7cbef; --on-dark-2:#a9afe0;
  --radius:16px;
  --shadow-sm:0 1px 2px rgba(16,20,46,.06);
  --shadow:0 1px 2px rgba(16,20,46,.05),0 8px 24px rgba(16,20,46,.07);
  --shadow-lg:0 2px 6px rgba(16,20,46,.06),0 24px 60px rgba(16,20,46,.14);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI Variable Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display:ui-serif,"New York","Iowan Old Style","Charter","Bitstream Charter","Sitka Text",Cambria,Georgia,serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --focus:0 0 0 3px rgba(63,61,200,.4);
  --wrap:1200px; --gutter:16px;
}
@media (min-width:768px){:root{--gutter:28px}}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 var(--font);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--brand-700)}
:focus{outline:none}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3{margin:0 0 .5em;line-height:1.2;letter-spacing:-.015em;color:var(--ink)}
p{margin:0 0 1em}
button,input,select,textarea{font:inherit;color:inherit}
mark{background:var(--butter);color:var(--butter-ink);padding:0 .25em;border-radius:4px}
code,.mono{font-family:var(--mono);font-size:.9em}
::selection{background:var(--brand-100)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:8px;background:var(--surface);padding:10px 16px;border-radius:10px;z-index:100;box-shadow:var(--shadow);font-weight:650}
.skip:focus{left:12px}

/* Layout */
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.wrap--narrow{max-width:800px}
.wrap--wide{max-width:1400px}
.section{padding:88px 0}
.section--top{padding-top:40px}
.section--tight{padding:40px 0}
.section--soft{background:var(--soft)}
@media (max-width:640px){.section{padding:56px 0}.section--top{padding-top:24px}.section--tight{padding:28px 0}}
.section__head{max-width:720px;margin-bottom:36px}
.section__head.center{margin-left:auto;margin-right:auto}
.section__head .lead{margin:0}
.section__head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:16px 32px;flex-wrap:wrap}
.section__head--row>div{max-width:680px}
.center{text-align:center}
.center-x{justify-content:center}
.stack{display:flex;flex-direction:column;gap:20px}

/* Type */
.display{font-family:var(--display);font-size:clamp(2.2rem,5.2vw,3.6rem);font-weight:600;letter-spacing:-.025em;line-height:1.06;margin-bottom:.4em}
.h1{font-size:clamp(1.8rem,3.6vw,2.5rem);font-weight:740;letter-spacing:-.025em}
.h2{font-size:clamp(1.45rem,2.6vw,1.95rem);font-weight:720}
.h3{font-size:1.1rem;font-weight:680;letter-spacing:-.01em}
.display-1{font-family:var(--display);font-weight:600;font-size:clamp(2.1rem,4.4vw,3.2rem);letter-spacing:-.025em;line-height:1.08}
.display-2{font-family:var(--display);font-weight:600;font-size:clamp(1.75rem,3.2vw,2.55rem);letter-spacing:-.02em;line-height:1.12}
.lead{font-size:clamp(1.04rem,1.5vw,1.16rem);color:var(--ink-2);line-height:1.6}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin:0 0 12px}
.eyebrow--light{color:var(--accent)}
.link-arrow{font-weight:680;text-decoration:none;white-space:nowrap;padding:6px 0}
.link-arrow span{display:inline-block;transition:transform .15s}
.link-arrow:hover span{transform:translateX(3px)}
.pill{border-radius:999px;padding:5px 12px;letter-spacing:.04em}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:12px;
  border:1px solid transparent;font-weight:680;font-size:.95rem;line-height:1.2;text-decoration:none;cursor:pointer;
  transition:background .15s,border-color .15s,box-shadow .15s,transform .05s,color .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(42,40,148,.3),inset 0 1px 0 rgba(255,255,255,.12)}
.btn--primary:hover{background:var(--brand-700);color:#fff}
.btn--accent{background:var(--accent);color:var(--night);box-shadow:0 1px 2px rgba(143,83,0,.25),0 8px 24px rgba(245,165,36,.25)}
.btn--accent:hover{background:#ffb53f;color:var(--night)}
.btn--ghost{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{background:var(--soft);color:var(--ink);border-color:#b9bed5}
.btn--onDark{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28)}
.btn--onDark:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5)}
.btn--danger{background:var(--surface);color:var(--rose-ink);border-color:#efb7c4}
.btn--danger:hover{background:var(--rose)}
.btn--sm{min-height:38px;padding:8px 14px;font-size:.88rem;border-radius:10px}
.btn--lg{min-height:52px;padding:14px 26px;font-size:1rem;border-radius:14px}
.btn--block{display:flex;width:100%}
@media (max-width:420px){.btn{white-space:normal;text-align:center}}

/* Brand / wordmark (until the logo image arrives: /img/brand/tutorvo-logo-*.png) */
.brand{display:inline-flex;align-items:center;color:var(--ink);text-decoration:none;flex:none;border-radius:10px}
.brand:hover{color:var(--ink)}
.brand__in{display:inline-flex;align-items:center;gap:10px}
.brand__mark{--s:32px;position:relative;flex:none;width:var(--s);height:var(--s);border-radius:28%;display:grid;place-items:center;
  background:linear-gradient(140deg,#3f43c9 0%,#1d2270 55%,#0b1033 100%);color:#fff;font-family:var(--display);font-weight:700;
  font-size:calc(var(--s) * .6);line-height:1;box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 2px 6px rgba(11,16,51,.25)}
.brand__mark::after{content:"";position:absolute;right:13%;bottom:13%;width:22%;height:22%;border-radius:50%;background:var(--accent)}
.brand__logo{flex:none;border-radius:22%}
.brand__word{font-weight:780;font-size:1.32rem;letter-spacing:-.035em;line-height:1}
.brand__word span{color:var(--brand)}
.brand__in--light .brand__word,.site-foot .brand__word{color:#fff}
.brand__in--light .brand__word span,.site-foot .brand__word span{color:var(--accent)}
.brand--cert{display:inline-flex;align-items:center;gap:10px;font-weight:780;letter-spacing:-.03em;font-size:clamp(1rem,2.4vw,1.35rem)}

/* Header */
.site-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.6) blur(12px);-webkit-backdrop-filter:saturate(1.6) blur(12px);border-bottom:1px solid var(--line)}
.site-head__in{display:flex;align-items:center;gap:20px;height:72px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav>a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:.95rem;padding:9px 12px;border-radius:10px;white-space:nowrap}
.nav>a:hover{background:var(--soft);color:var(--ink)}
.nav>a[aria-current="page"]{color:var(--brand);background:var(--brand-50)}
.nav>a.btn--primary{color:#fff;margin-left:6px;padding:8px 16px}
.nav>a.btn--primary:hover{background:var(--brand-700)}
.nav__sep{width:1px;height:22px;background:var(--line-2);margin:0 6px}
.nav__form{margin:0 0 0 6px}
.menu{display:none;position:relative;margin-left:auto}
.menu summary{list-style:none;display:flex;align-items:center;gap:8px;cursor:pointer;padding:8px 14px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);font-weight:650;font-size:.9rem;min-height:42px}
.menu summary::-webkit-details-marker{display:none}
.menu[open] summary{border-color:var(--brand);color:var(--brand)}
.menu__bars,.menu__bars::before,.menu__bars::after{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative}
.menu__bars::before,.menu__bars::after{content:"";position:absolute;left:0}
.menu__bars::before{top:-5px}.menu__bars::after{top:5px}
.menu__panel{position:absolute;right:0;top:calc(100% + 10px);width:min(320px,calc(100vw - 32px));background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);padding:12px;display:flex;flex-direction:column;gap:2px}
.menu__panel>a:not(.btn){padding:11px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-weight:600}
.menu__panel>a:not(.btn):hover{background:var(--soft)}
.menu__panel form{margin:6px 0 0}
.menu__panel .search{margin:0 0 8px}
.menu__panel .btn{margin-top:6px}

/* Search */
.search{position:relative;display:flex;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:12px;min-height:44px;transition:border-color .15s,box-shadow .15s,background .15s}
.search:focus-within{background:var(--surface);border-color:var(--brand);box-shadow:var(--focus)}
.search__ico{flex:none;display:grid;place-items:center;padding-left:13px;color:var(--muted)}
.search__input{flex:1;min-width:0;border:0;background:transparent;padding:10px 10px;font-size:.95rem;color:var(--ink)}
.search__input:focus{outline:none}
.search__input::placeholder{color:#767c99}
.search__btn{flex:none;border:0;cursor:pointer;background:var(--brand);color:#fff;font-weight:680;font-size:.9rem;border-radius:9px;padding:8px 14px;margin:4px}
.search__btn:hover{background:var(--brand-700)}
.search--head{flex:1;max-width:420px}
.search--head .search__btn{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.search--menu .search__btn{padding:8px 12px}
.search--hero{background:#fff;border:0;border-radius:16px;min-height:60px;max-width:560px;box-shadow:0 10px 40px rgba(0,0,0,.25)}
.search--hero:focus-within{box-shadow:0 0 0 4px rgba(245,165,36,.55),0 10px 40px rgba(0,0,0,.25)}
.search--hero .search__ico{padding-left:18px;color:var(--brand)}
.search--hero .search__input{font-size:1rem;padding:14px 12px}
.search--hero .search__btn{padding:12px 20px;border-radius:12px;margin:6px;font-size:.95rem}
@media (max-width:520px){.search--hero .search__btn{padding:12px 14px}.search--hero .search__input{font-size:.95rem}}
@media (max-width:1100px){.search--head{display:none}}
@media (max-width:880px){.nav{display:none}.menu{display:block}}

.devbar{background:var(--butter);color:var(--butter-ink);font-size:.8rem;text-align:center;padding:6px 16px;border-bottom:1px solid #f1e3a1}
.flash{margin:16px 0 0;padding:12px 16px;border-radius:12px;border:1px solid;font-size:.95rem}
.flash--ok{background:#e9f7f0;border-color:#b9e3cf;color:#125c3f}
.flash--err{background:#fdf0f3;border-color:#f3c2cf;color:var(--rose-ink)}
.flash--info{background:var(--brand-50);border-color:var(--brand-100);color:var(--brand-700)}
.card .flash,.auth .flash{margin:0 0 16px}
.note{background:var(--butter);border:1px solid #f1e3a1;color:var(--butter-ink);padding:10px 14px;border-radius:12px;font-size:.9rem;margin:12px 0 0}
.note a{color:inherit;font-weight:650}

/* Footer */
.site-foot{background:radial-gradient(900px 400px at 10% 0%,rgba(63,61,200,.25),transparent 60%),var(--night);color:var(--on-dark);margin-top:0}
.site-foot__grid{display:grid;grid-template-columns:1.5fr 1fr 2.5fr 1fr;gap:40px;padding-top:64px;padding-bottom:40px}
.site-foot__brand p{color:var(--on-dark);max-width:360px;margin:16px 0 18px}
.site-foot__trust{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;font-size:.88rem}
.site-foot__trust li{display:flex;gap:8px;align-items:baseline}
.site-foot__trust li::before{content:"✓";color:var(--accent);font-weight:800}
.site-foot h2{font-family:var(--font);font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;color:var(--on-dark-2);margin-bottom:14px;font-weight:700}
.site-foot nav{display:flex;flex-direction:column;gap:9px}
.site-foot nav a,.site-foot a{color:#e7e9ff;text-decoration:none;font-size:.93rem}
.site-foot nav a:hover,.site-foot a:hover{color:var(--accent);text-decoration:underline}
.site-foot__catlist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px 20px}
.site-foot__catlist a{font-size:.88rem}
.site-foot :focus-visible{outline-color:var(--accent)}
.site-foot__bottom{display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;padding-bottom:32px;color:var(--on-dark-2);font-size:.85rem}
.site-foot__bottom a{color:var(--on-dark);font-size:.85rem}
.site-foot .muted,.site-foot .small{color:var(--on-dark-2)}
@media (max-width:1000px){.site-foot__grid{grid-template-columns:1fr 1fr}.site-foot__brand,.site-foot__cats{grid-column:1/-1}}
@media (max-width:560px){.site-foot__catlist{grid-template-columns:1fr 1fr}.site-foot__grid{gap:32px;padding-top:48px}}

/* Cards / grids */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.card--narrow{max-width:560px;margin:0 auto}
@media (max-width:480px){.card{padding:18px}}
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.grid--cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
@media (max-width:360px){.grid--3,.grid--4,.grid--cards{grid-template-columns:1fr}}

.badge{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;font-weight:650;padding:3px 10px;border-radius:999px;background:var(--soft);color:var(--ink-2);border:1px solid var(--line);white-space:nowrap}
.badge--free{background:var(--mint);color:var(--mint-ink);border-color:#b2e2cd}
.badge--done{background:#e9f7f0;color:var(--mint-ink);border-color:#b9e3cf}
.badge--lock{background:var(--brand-50);color:var(--brand);border-color:var(--brand-100)}
.badge--price{background:var(--accent);color:var(--night);border-color:var(--accent);font-weight:780}
.kind{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 7px;border-radius:6px}
.kind--lab{background:var(--butter);color:var(--butter-ink)}
.kind--read{background:var(--sky);color:var(--sky-ink)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:#8fd6b7;flex:none}
.dot--mint{background:#6fcfa5}.dot--sky{background:#86b4f0}.dot--lav{background:#a9a6f2}.dot--peach{background:#f4a57e}.dot--butter{background:#f2cc5c}.dot--rose{background:#ee98ad}

.progress{height:8px;border-radius:999px;background:var(--soft);overflow:hidden;border:1px solid var(--line)}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#7b79f0);border-radius:999px}
.progress__label{margin-top:6px}

/* Course card */
.ccard{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-sm);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.ccard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-2)}
.ccard:focus-within{box-shadow:0 0 0 3px var(--brand),var(--shadow-lg)}
.ccard:focus-within a:focus-visible{outline:none}
@media (prefers-reduced-motion:reduce){.ccard:hover{transform:none}}
.ccard__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--brand-50),var(--sky))}
.ccard--mint .ccard__media{background:linear-gradient(135deg,var(--mint),var(--sky))}
.ccard--sky .ccard__media{background:linear-gradient(135deg,var(--sky),var(--lav))}
.ccard--lav .ccard__media{background:linear-gradient(135deg,var(--lav),var(--peach))}
.ccard--peach .ccard__media{background:linear-gradient(135deg,var(--peach),var(--butter))}
.ccard--butter .ccard__media{background:linear-gradient(135deg,var(--butter),var(--mint))}
.ccard--rose .ccard__media{background:linear-gradient(135deg,var(--rose),var(--lav))}
.ccard__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ccard:hover .ccard__media img{transform:scale(1.04)}
.ccard__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,51,.28) 0%,rgba(11,16,51,0) 38%);pointer-events:none}
.ccard__ph{position:absolute;inset:0;display:grid;place-items:center;font-size:2.4rem}
.ccard__cat{position:absolute;z-index:1;left:12px;top:12px;max-width:calc(100% - 24px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  background:rgba(11,16,51,.78);color:#fff;font-size:.72rem;font-weight:680;letter-spacing:.01em;padding:4px 10px;border-radius:999px;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.ccard__body{display:flex;flex-direction:column;flex:1;padding:16px 18px 16px}
.ccard__title{font-size:1.04rem;font-weight:720;line-height:1.32;letter-spacing:-.01em;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ccard__title a{color:var(--ink);text-decoration:none}
.ccard__title a::after{content:"";position:absolute;inset:0;z-index:2}
.ccard:hover .ccard__title a{color:var(--brand-700)}
.ccard__sub{color:var(--ink-2);font-size:.9rem;line-height:1.5;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ccard__meta{margin:0 0 12px;color:var(--muted);font-size:.82rem}
.ccard .progress{margin:0 0 4px}
.ccard .progress__label{margin:0 0 10px}
.ccard__foot{margin-top:auto;display:flex;align-items:center;gap:8px 12px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:12px}
.lvl{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:650;color:var(--ink-2)}
.lvl__bars{display:inline-flex;align-items:flex-end;gap:2px;height:12px}
.lvl__bars i{display:block;width:3px;border-radius:1px;background:var(--line-2)}
.lvl__bars i:nth-child(1){height:5px}.lvl__bars i:nth-child(2){height:8px}.lvl__bars i:nth-child(3){height:12px}
.lvl--1 .lvl__bars i:nth-child(-n+1),.lvl--2 .lvl__bars i:nth-child(-n+2),.lvl--3 .lvl__bars i{background:var(--brand)}
.ccard__cert{display:inline-flex;align-items:center;gap:4px;font-size:.78rem;font-weight:650;color:var(--mint-ink)}
.ccard__price{margin-left:auto;font-weight:800;font-size:1.06rem;letter-spacing:-.01em;color:var(--ink)}
.ccard__price--owned{font-size:.78rem;font-weight:700;color:var(--mint-ink);background:var(--mint);padding:3px 10px;border-radius:999px}
.ccard--compact .ccard__top{display:flex;align-items:center;gap:10px;padding:16px 18px 0}
.ccard__icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:1.15rem;background:var(--brand-50);flex:none}
.ccard--mint .ccard__icon{background:var(--mint)}.ccard--sky .ccard__icon{background:var(--sky)}.ccard--lav .ccard__icon{background:var(--lav)}.ccard--peach .ccard__icon{background:var(--peach)}.ccard--butter .ccard__icon{background:var(--butter)}.ccard--rose .ccard__icon{background:var(--rose)}
.ccard__catx{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ccard--compact .ccard__body{padding-top:12px}
.ccard--compact .ccard__title{font-size:1rem}

/* Home: hero */
.hero{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(800px 480px at 85% 10%,rgba(99,96,240,.45),transparent 60%),radial-gradient(700px 520px at 0% 100%,rgba(245,165,36,.16),transparent 60%),linear-gradient(180deg,var(--night) 0%,#10164a 100%)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 70%);mask-image:radial-gradient(ellipse at 70% 30%,#000 10%,transparent 70%)}
.hero :focus-visible{outline-color:var(--accent)}
.hero__grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;padding-top:80px;padding-bottom:96px}
.hero__eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;padding:6px 14px 6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);font-size:.82rem;font-weight:650;color:#e3e5ff}
.hero__pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(245,165,36,.25)}
.hero__h{font-family:var(--display);font-weight:600;font-size:clamp(2.4rem,5.4vw,4.1rem);line-height:1.04;letter-spacing:-.03em;color:#fff;margin:0 0 22px}
.hero__h em{display:block;font-style:italic;color:var(--accent)}
.hero__lead{font-size:clamp(1.05rem,1.5vw,1.2rem);line-height:1.65;color:var(--on-dark);max-width:560px;margin:0 0 28px}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 30px}
.hero__facts{list-style:none;margin:0;padding:22px 0 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px 36px;color:var(--on-dark-2);font-size:.92rem}
.hero__facts strong{display:block;font-family:var(--display);font-size:1.9rem;font-weight:600;color:#fff;letter-spacing:-.02em;line-height:1.1}
@media (max-width:1120px){.hero__grid{grid-template-columns:1fr;gap:44px;padding-top:56px;padding-bottom:64px}.demo{max-width:680px}}
@media (max-width:520px){.hero__grid{padding-top:40px;padding-bottom:48px}.hero__cta .btn{flex:1 1 100%}}

/* Demo (lab illustration) */
.demo{margin:0;min-width:0}
.demo figcaption{margin-top:12px;text-align:center;font-size:.8rem;color:var(--on-dark-2)}
.demo__win{background:var(--surface);color:var(--ink);border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.08);overflow:hidden}
@media (min-width:1121px){.demo__win{transform:perspective(1400px) rotateY(-7deg) rotateX(3deg)}}
.demo__bar{display:flex;align-items:center;gap:6px;padding:10px 14px;border-bottom:1px solid var(--line);background:#f8f8fc}
.demo__bar span{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.demo__bar span:nth-child(1){background:#f08a8a}.demo__bar span:nth-child(2){background:#f3c969}.demo__bar span:nth-child(3){background:#7fd3a3}
.demo__bar em{font-style:normal;font-size:.8rem;color:var(--muted);margin-left:8px}
.demo__body{display:grid;grid-template-columns:1.45fr 1fr}
@media (max-width:560px){.demo__body{grid-template-columns:1fr}}
.demo__sheet{padding:12px;border-right:1px solid var(--line);overflow:hidden;min-width:0}
@media (max-width:560px){.demo__sheet{border-right:0;border-bottom:1px solid var(--line)}}
.demo__fx{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:5px 9px;margin-bottom:10px;font-size:.8rem}
.demo__fx b{color:var(--muted);font-weight:650;border-right:1px solid var(--line);padding-right:8px}
.demo__fx code{color:var(--brand)}
.demo table{width:100%;border-collapse:collapse;font-size:.78rem;table-layout:fixed}
.demo th{background:#f3f4f9;color:var(--muted);font-weight:650;border:1px solid var(--line);padding:4px}
.demo thead th:first-child,.demo tbody th{width:26px}
.demo td{border:1px solid var(--line);padding:5px 6px;height:30px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.demo td.h{background:var(--brand-50);color:var(--brand-700);font-weight:700}
.demo td.r{text-align:right}
.demo td.in{background:var(--accent-50)}
.demo td.ok{background:var(--mint);box-shadow:inset 0 0 0 2px var(--mint-ink);color:var(--mint-ink);font-weight:700}
.demo__coach{padding:14px;background:#fafaff;display:flex;flex-direction:column;gap:10px;min-width:0}
.demo__who{display:flex;align-items:center;gap:8px;font-weight:700;font-size:.85rem}
.demo__who .dot{background:var(--brand);width:8px;height:8px}
.bubble{background:var(--surface);border:1px solid var(--line);border-radius:14px 14px 14px 4px;padding:9px 12px;font-size:.84rem;line-height:1.45}
.bubble--ok{background:#e9f7f0;border-color:#b9e3cf;color:#125c3f}
.demo__btns{display:flex;gap:8px;margin-top:auto}
.demo__btns .btn{pointer-events:none}

/* Home: trust strip */
.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust__list{list-style:none;margin:0 auto;display:flex;flex-wrap:wrap;justify-content:center;gap:12px 36px;padding-top:20px;padding-bottom:20px}
.trust__list li{display:inline-flex;align-items:center;gap:9px;font-size:.92rem;font-weight:620;color:var(--ink-2)}
.trust__list svg{color:var(--brand);flex:none}
@media (max-width:640px){.trust__list{justify-content:flex-start;gap:10px 20px}.trust__list li{font-size:.86rem}}

/* Home: category tiles */
.ctiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.ctile{display:flex;align-items:center;gap:12px;height:100%;min-height:66px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.ctile:hover{border-color:var(--brand-100);box-shadow:var(--shadow);transform:translateY(-2px);color:var(--ink)}
.ctile__ico{flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.2rem;line-height:1;background:var(--brand-50)}
.ctile--mint .ctile__ico{background:var(--mint)}.ctile--sky .ctile__ico{background:var(--sky)}.ctile--lav .ctile__ico{background:var(--lav)}
.ctile--peach .ctile__ico{background:var(--peach)}.ctile--butter .ctile__ico{background:var(--butter)}.ctile--rose .ctile__ico{background:var(--rose)}
.ctile__name{flex:1;min-width:0;font-weight:660;font-size:.94rem;line-height:1.25;hyphens:auto}
.ctile__arrow{color:var(--muted);transition:transform .15s,color .15s}
.ctile:hover .ctile__arrow{color:var(--brand);transform:translateX(3px)}
@media (max-width:640px){.ctiles{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.ctile{padding:10px;gap:10px;min-height:58px}.ctile__ico{flex-basis:34px;height:34px;font-size:1.05rem}.ctile__name{font-size:.86rem}.ctile__arrow{display:none}}

/* Home: steps */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px 24px;box-shadow:var(--shadow-sm)}
.step__num{display:block;font-family:var(--display);font-size:2.6rem;font-weight:600;line-height:1;color:var(--brand);opacity:.32;margin-bottom:18px}
.step .h3{margin-bottom:8px}
.step p{margin:0;font-size:.95rem;color:var(--ink-2)}

/* Home: dark "why" section */
.section--night{position:relative;color:var(--on-dark);background:radial-gradient(700px 400px at 100% 0%,rgba(99,96,240,.35),transparent 60%),var(--night)}
.section--night h2,.section--night h3{color:#fff}
.section--night :focus-visible{outline-color:var(--accent)}
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media (max-width:1000px){.why{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.why{grid-template-columns:1fr}}
.why__item{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);border-radius:20px;padding:26px 24px}
.why__ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(245,165,36,.14);color:var(--accent);margin-bottom:18px}
.why__item p{margin:0;font-size:.95rem;color:var(--on-dark)}

/* Home: certificate */
.certsec{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
@media (max-width:900px){.certsec{grid-template-columns:1fr;gap:40px}}
.certsec .ticks{margin:18px 0}
.certmock{margin:0}
.certmock figcaption{margin-top:14px;text-align:center;font-size:.8rem;color:var(--muted)}
.certmock__paper{position:relative;padding:clamp(22px,4vw,40px);border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow-lg);transform:rotate(-1.2deg);
  background:radial-gradient(420px 220px at 100% 0%,rgba(63,61,200,.10),transparent 60%),radial-gradient(380px 220px at 0% 100%,rgba(245,165,36,.14),transparent 60%),#fff}
.certmock__paper::before{content:"";position:absolute;inset:10px;border:1px solid rgba(63,61,200,.2);border-radius:12px;pointer-events:none}
@media (prefers-reduced-motion:reduce){.certmock__paper{transform:none}}
.certmock__head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:26px}
.certmock__head .brand__word{font-size:1.1rem}
.certmock__seal{width:62px;height:62px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--accent);color:var(--accent-ink);background:var(--accent-50);font-size:.6rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;text-align:center}
.certmock__kind{font-size:.72rem;font-weight:750;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin:0 0 12px}
.certmock__for{margin:0;color:var(--muted);font-size:.85rem}
.certmock__name{font-family:var(--display);font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:600;letter-spacing:-.02em;margin:2px 0 8px;color:var(--ink)}
.certmock__course{font-weight:750;font-size:1.1rem;margin:4px 0 26px}
.certmock__foot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:.72rem;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.certmock__foot b{color:var(--ink);font-family:var(--mono);font-weight:600}

/* Home: price + FAQ + band */
.pricesec{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center}
@media (max-width:900px){.pricesec{grid-template-columns:1fr;gap:32px}}
.pricecard{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:32px;box-shadow:var(--shadow-lg);max-width:440px;width:100%;justify-self:end}
@media (max-width:900px){.pricecard{justify-self:start}}
.pricecard__price{font-family:var(--display);font-size:3.2rem;font-weight:600;letter-spacing:-.03em;line-height:1;margin-bottom:18px}
.pricecard__price small{display:block;font-family:var(--font);font-size:.9rem;font-weight:550;color:var(--muted);letter-spacing:0;margin-top:8px}
.pricecard .ticks{margin:0 0 24px}
.pricecard__more{display:block;text-align:center;margin-top:14px;font-weight:650;text-decoration:none}
.faqsec{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:start}
.faqsec__head{position:sticky;top:96px}
@media (max-width:900px){.faqsec{grid-template-columns:1fr;gap:24px}.faqsec__head{position:static}}
.band{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:24px 40px;flex-wrap:wrap;border-radius:28px;padding:52px 56px;color:var(--on-dark);
  background:radial-gradient(520px 260px at 0% 0%,rgba(99,96,240,.55),transparent 70%),radial-gradient(520px 300px at 100% 100%,rgba(245,165,36,.25),transparent 70%),var(--night)}
.band .h2{color:#fff;margin-bottom:8px}
.band p{margin:0;max-width:560px}
.band :focus-visible{outline-color:var(--accent)}
@media (max-width:560px){.band{padding:32px 24px;border-radius:22px}.band .btn{width:100%}}

.ticks{list-style:none;padding:0;margin:0 0 1em}
.ticks li{position:relative;padding:5px 0 5px 30px}
.ticks li::before{content:"";position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;background:var(--brand-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233f3dc8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
.checks{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:0;color:var(--ink-2);font-size:.92rem}
.checks li::before{content:"✓";color:var(--brand);font-weight:800;margin-right:7px}

/* Plans (pricing page) */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
@media (max-width:900px){.plans{grid-template-columns:1fr;max-width:480px;margin:0 auto}}
.plans--one{grid-template-columns:minmax(0,460px);justify-content:center}
.plan{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:34px;box-shadow:var(--shadow-lg)}
.plan .ticks{flex:1;margin:16px 0 24px}
.plan--best{border-color:var(--brand-100);box-shadow:0 0 0 4px var(--brand-50),var(--shadow-lg)}
.plan__flag{position:absolute;top:-13px;right:20px;background:var(--brand);color:#fff;font-size:.78rem;font-weight:700;padding:4px 11px;border-radius:999px}
.plan__name{font-size:.8rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin:0}
.plan__price{font-family:var(--display);font-size:3rem;font-weight:600;letter-spacing:-.03em;margin:8px 0 4px;line-height:1.05}
.plan__price small{font-family:var(--font);font-size:.95rem;font-weight:550;color:var(--muted);letter-spacing:0}
.plan__sub{font-size:.92rem;margin:0}
.pricing-top{background:linear-gradient(180deg,#eceefb 0%,var(--bg) 100%)}
.ptease{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:880px;margin:0 auto}
@media (max-width:760px){.ptease{grid-template-columns:1fr}}
.ptease__item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.ptease__price{font-size:2rem;font-weight:750;letter-spacing:-.03em;margin:4px 0}
.facts{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.facts li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.92rem;color:var(--ink-2)}
.who{border-radius:var(--radius);padding:22px;border:1px solid var(--line);background:var(--surface)}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:10px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 20px;transition:border-color .15s,box-shadow .15s}
.faq details[open]{border-color:var(--brand-100);box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;list-style:none;padding:18px 40px 18px 0;font-weight:680;position:relative;line-height:1.4}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-size:1.15rem;font-weight:500;line-height:1}
.faq details[open] summary::after{content:"–";background:var(--brand);color:#fff}
.faq summary:focus-visible{outline-offset:4px}
.faq details p{color:var(--ink-2);padding-bottom:18px;margin:0}

/* Page head (catalogue) */
.pagehead{background:linear-gradient(180deg,#eceefb 0%,var(--bg) 100%);padding:36px 0 12px}
.pagehead .lead{max-width:700px;margin:0}
.pagehead .h1{margin-bottom:10px}

/* Tabs / category chips */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 32px}
.tabs a{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid var(--line-2);background:var(--surface);color:var(--ink-2);text-decoration:none;font-weight:600;font-size:.92rem;min-height:40px}
.tabs a span:last-child:not(.dot){color:var(--muted);font-weight:500;font-size:.82rem}
.tabs a:hover{background:var(--soft)}
.tabs a[aria-current="page"]{background:var(--night);border-color:var(--night);color:#fff}
.tabs a[aria-current="page"] span:last-child:not(.dot){color:#cfd3f5}
.catnav{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:12px;margin:0 0 40px}
.catnav__item{display:flex;align-items:center;gap:12px;min-width:0;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;min-height:64px;transition:border-color .15s,box-shadow .15s,transform .15s}
.catnav__item:hover{border-color:var(--brand-100);box-shadow:var(--shadow);transform:translateY(-1px);color:var(--ink)}
.catnav__icon{flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:1.2rem;line-height:1;background:var(--brand-50)}
.catnav__item--mint .catnav__icon{background:var(--mint)}.catnav__item--sky .catnav__icon{background:var(--sky)}.catnav__item--lav .catnav__icon{background:var(--lav)}
.catnav__item--peach .catnav__icon{background:var(--peach)}.catnav__item--butter .catnav__icon{background:var(--butter)}.catnav__item--rose .catnav__icon{background:var(--rose)}
.catnav__text{display:flex;flex-direction:column;min-width:0;gap:2px}
.catnav__name{font-weight:660;font-size:.94rem;line-height:1.25;hyphens:auto}
.catnav__count{font-size:.8rem;color:var(--muted)}
.catnav__arrow{margin-left:auto;color:var(--muted);transition:transform .15s,color .15s}
.catnav__item:hover .catnav__arrow{color:var(--brand);transform:translateX(3px)}
.catnav__item[aria-current="page"]{border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
@media (max-width:640px){.catnav{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.catnav__item{padding:10px;gap:10px;min-height:56px}.catnav__icon{flex-basis:34px;height:34px;font-size:1.05rem}.catnav__name{font-size:.86rem}.catnav__arrow{display:none}}
@media (max-width:380px){.catnav{grid-template-columns:1fr}}

/* Catalogue blocks (/courses) */
.cat-title{display:flex;align-items:center;gap:10px;font-size:1.2rem;font-weight:700;margin:36px 0 14px}
.cat-title:first-of-type{margin-top:0}
.cat-title a{color:inherit;text-decoration:none}.cat-title a:hover{text-decoration:underline}
.cat-desc{margin:-6px 0 18px}
.catblock{border:1px solid var(--line);border-radius:18px;background:var(--surface);margin:0 0 12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.catblock__sum{display:flex;align-items:center;gap:14px;padding:14px 18px;cursor:pointer;list-style:none;user-select:none}
.catblock__sum::-webkit-details-marker{display:none}
.catblock__sum:hover{background:#fafaff}
.catblock__sum:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--brand);border-radius:18px}
.catblock__icon{flex:0 0 42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:1.2rem;background:var(--brand-50)}
.catblock--mint .catblock__icon{background:var(--mint)}.catblock--sky .catblock__icon{background:var(--sky)}.catblock--lav .catblock__icon{background:var(--lav)}
.catblock--peach .catblock__icon{background:var(--peach)}.catblock--butter .catblock__icon{background:var(--butter)}.catblock--rose .catblock__icon{background:var(--rose)}
.catblock__title{margin:0;font-size:1.12rem;font-weight:720;line-height:1.3;min-width:0}
.catblock__count{display:none}
.catblock__chev{margin-left:auto;flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s}
.catblock[open] .catblock__chev{transform:rotate(-135deg) translate(-2px,-2px);border-color:var(--brand)}
.catblock[open] .catblock__sum{border-bottom:1px solid var(--line)}
.catblock__body{padding:20px}
.catblock__body .cat-desc{margin:0 0 20px}
.catblock.is-flash{box-shadow:0 0 0 3px var(--brand)}
@media (max-width:640px){.catblock__sum{padding:12px 14px;gap:10px}.catblock__icon{flex-basis:36px;height:36px;font-size:1.05rem}.catblock__title{font-size:1rem}.catblock__body{padding:14px}}

.cdir-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:28px;align-items:start}
.cdir{position:sticky;top:88px;max-height:calc(100vh - 104px);display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}
.cdir__search{position:relative;padding:12px;border-bottom:1px solid var(--line)}
.cdir__search-ico{position:absolute;left:24px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.cdir__input{width:100%;border:1px solid var(--line-2);border-radius:11px;padding:11px 12px 11px 36px;font-size:.93rem;background:var(--soft);color:var(--ink)}
.cdir__input:focus{outline:none;border-color:var(--brand);box-shadow:var(--focus);background:var(--surface)}
.cdir__status{margin:8px 14px 0}
.cdir__tree{overflow:auto;padding:6px 6px 10px;overscroll-behavior:contain}
.cdir__grp{border-radius:10px}
.cdir__cat{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;cursor:pointer;list-style:none;font-weight:640;font-size:.9rem;color:var(--ink)}
.cdir__cat::-webkit-details-marker{display:none}
.cdir__cat:hover{background:var(--soft)}
.cdir__cat:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--brand)}
.cdir__cat::after{content:"";width:7px;height:7px;border-right:1.6px solid var(--muted);border-bottom:1.6px solid var(--muted);transform:rotate(-45deg);margin-left:4px;transition:transform .15s;flex:0 0 auto}
.cdir__grp[open]>.cdir__cat::after{transform:rotate(45deg)}
.cdir__ico{flex:0 0 28px;height:28px;border-radius:8px;display:grid;place-items:center;font-size:.95rem;background:var(--brand-50)}
.cdir__grp--mint .cdir__ico{background:var(--mint)}.cdir__grp--sky .cdir__ico{background:var(--sky)}.cdir__grp--lav .cdir__ico{background:var(--lav)}
.cdir__grp--peach .cdir__ico{background:var(--peach)}.cdir__grp--butter .cdir__ico{background:var(--butter)}.cdir__grp--rose .cdir__ico{background:var(--rose)}
.cdir__name{flex:1;min-width:0;line-height:1.25}
.cdir__n{display:none}
.cdir__list{list-style:none;margin:2px 0 8px 22px;padding:0 0 0 12px;border-left:1px solid var(--line)}
.cdir__list a{display:flex;align-items:flex-start;gap:7px;padding:5px 8px;border-radius:7px;font-size:.84rem;line-height:1.3;color:var(--ink-2);text-decoration:none}
.cdir__list a:hover{background:var(--soft);color:var(--ink)}
.cdir__cicon{flex:0 0 auto;font-size:.85rem;line-height:1.3}
.cdir__all a{color:var(--brand);font-weight:650}
.cdir__list mark{background:var(--butter);color:inherit;border-radius:3px;padding:0 1px}
.cdir-main{min-width:0}
.cdir-main .grid--3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.cdir__toggle{display:none}
.cdir [hidden],.cdir-main [hidden]{display:none!important}
@media (max-width:900px){
  .cdir-layout{grid-template-columns:1fr;gap:16px}
  .cdir{position:static;max-height:none}
  .cdir__tree{max-height:44vh}
  .cdir:not(.is-searching) .cdir__tree{display:none}
  .cdir.is-open .cdir__tree{display:block}
  .cdir__toggle{display:flex;align-items:center;justify-content:space-between;width:100%;border:0;border-top:1px solid var(--line);background:none;font-size:.88rem;font-weight:650;color:var(--ink-2);padding:11px 14px;cursor:pointer}
  .cdir__toggle:hover{background:var(--soft)}
}
.catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;list-style:none;padding:0;margin:0}
.catgrid li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.catgrid__name{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);text-decoration:none}
.catgrid__name:hover{text-decoration:underline}
.catgrid__name span:last-child{margin-left:auto;color:var(--muted);font-weight:500;font-size:.82rem;white-space:nowrap}
.catgrid__links{font-size:.88rem;color:var(--muted);margin:0}
.catgrid__links a{color:var(--ink-2)}

/* Breadcrumb */
.crumb{font-size:.86rem;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--ink);text-decoration:underline}
.crumb--light,.crumb--light a{color:var(--on-dark-2)}
.crumb--light a:hover{color:#fff}

/* Category page */
.cat-hero{padding:36px 0 48px;border-bottom:1px solid var(--line);background:radial-gradient(700px 300px at 100% 0%,rgba(63,61,200,.10),transparent 65%),linear-gradient(180deg,#eceefb 0%,var(--bg) 100%)}
.cat-hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}
@media (max-width:900px){.cat-hero__grid{grid-template-columns:1fr;gap:28px}}
.cat-hero__eyebrow{gap:10px}
.cat-hero__ico{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);font-size:1rem;letter-spacing:0}
.cat-hero .h1{margin-bottom:16px}
.cat-intro{color:var(--ink-2);max-width:72ch}
.cat-start{border-top:4px solid var(--brand)}
.cat-start .h3 a{color:var(--ink);text-decoration:none}.cat-start .h3 a:hover{text-decoration:underline}
.badge--cat{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink-2)}
.badge--cat:hover{background:var(--soft)}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.related-head .h2{margin:0}

/* Course page */
.course-hero{position:relative;color:var(--on-dark);padding:40px 0 56px;
  background:radial-gradient(700px 420px at 90% 0%,rgba(99,96,240,.4),transparent 60%),linear-gradient(180deg,var(--night) 0%,#10164a 100%)}
.course-hero :focus-visible{outline-color:var(--accent)}
.course-hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 370px;gap:48px;align-items:start}
@media (max-width:960px){.course-hero__grid{grid-template-columns:1fr;gap:32px}}
.course-hero__copy{padding-top:6px}
.course-hero__tags{display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.course-hero .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#eef0ff}
.course-hero a.badge--cat:hover{background:rgba(255,255,255,.16)}
.course-hero__h{font-family:var(--display);font-weight:600;font-size:clamp(1.9rem,3.8vw,2.9rem);line-height:1.1;letter-spacing:-.025em;color:#fff;margin:0 0 14px}
.course-hero__lead{font-size:clamp(1.03rem,1.5vw,1.15rem);color:var(--on-dark);max-width:660px;line-height:1.6;margin:0 0 20px}
.course-hero__meta{display:flex;flex-wrap:wrap;gap:8px;margin:0}
.course-hero__meta span{font-size:.85rem;font-weight:600;color:#eef0ff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 12px}
.course-hero__progress{margin-top:24px;max-width:440px;color:var(--on-dark)}
.course-hero__progress .small{margin-bottom:6px;font-weight:650;color:#fff}
.course-hero .progress{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.15)}
.course-hero .progress span{background:linear-gradient(90deg,var(--accent),#ffd27a)}
.course-hero .progress__label{color:var(--on-dark-2)}
.buybox{background:var(--surface);color:var(--ink);border-radius:22px;overflow:hidden;box-shadow:0 30px 70px rgba(0,0,0,.35)}
.buybox :focus-visible{outline-color:var(--brand)}
.buybox__media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--brand-50),var(--sky))}
.buybox__media img{width:100%;height:100%;object-fit:cover}
.buybox__body{padding:22px 24px 24px}
.buybox__price{font-family:var(--display);font-size:2.6rem;font-weight:600;letter-spacing:-.03em;line-height:1;margin:0 0 16px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.buybox__price small{font-family:var(--font);font-size:.85rem;font-weight:600;color:var(--muted);letter-spacing:0}
.buybox__hint{font-size:.8rem;color:var(--muted);text-align:center;margin:10px 0 0}
.buybox__owned{margin:0 0 12px;padding:10px 12px;border-radius:10px;background:#e9f7f0;color:#125c3f;font-weight:650;font-size:.92rem}
.buybox__h{font-size:.95rem;font-weight:750;margin:20px 0 8px;padding-top:18px;border-top:1px solid var(--line)}
.buybox__inc{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--ink-2)}
.buybox__inc li{position:relative;padding-left:26px}
.buybox__inc li::before{content:"";position:absolute;left:0;top:3px;width:17px;height:17px;border-radius:50%;background:var(--brand-50) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233f3dc8' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/10px no-repeat}
.course-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}
@media (max-width:960px){.course-grid{grid-template-columns:1fr}}
.course-about{margin-bottom:36px;max-width:72ch}
.course-about p{color:var(--ink-2);line-height:1.7;margin:0}
.course-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:96px}
@media (max-width:960px){.course-side{position:static}}
.side-card__ico{font-size:1.6rem;margin-bottom:6px}
.side-card--soft{background:var(--soft);box-shadow:none}
.side-card .btn{margin-top:10px}
.state{font-size:.92rem;padding:10px 12px;border-radius:10px;background:var(--soft);color:var(--ink-2);margin:10px 0 0}
.state--ok{background:#e9f7f0;color:#125c3f}

/* Lesson list */
.llist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.llist a{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--ink);transition:border-color .15s,background .15s}
.llist a:hover{border-color:var(--brand-100);background:#fbfbff}
.llist__num{flex:none;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--soft);color:var(--ink-2);font-weight:700;font-size:.86rem}
.llist__item.is-done .llist__num{background:var(--mint);color:var(--mint-ink)}
.llist__item.is-current a{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-50)}
.llist__item.is-locked .llist__title{color:var(--ink-2)}
.llist__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.llist__title{font-weight:620;line-height:1.35;overflow-wrap:anywhere}
.llist__meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:.8rem}
.llist__state{flex:none}

/* Lesson page */
.lesson-grid{display:grid;grid-template-columns:290px minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:960px){.lesson-grid{grid-template-columns:minmax(0,1fr)}}
.lesson-toc{position:sticky;top:92px;max-height:calc(100vh - 108px);overflow:auto}
@media (max-width:960px){.lesson-toc{position:static;max-height:none;order:2}}
.toc summary{cursor:pointer;font-weight:700;padding:6px 0 12px;list-style:none}
.toc summary::-webkit-details-marker{display:none}
.toc .llist a{padding:9px 10px;gap:10px}
.toc .llist__num{width:26px;height:26px;font-size:.78rem;border-radius:8px}
.toc .llist__title{font-size:.88rem}
.toc .llist__state .badge{font-size:.68rem;padding:2px 7px}
.lesson-main{min-width:0;max-width:760px}
.lesson-meta{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;color:var(--muted);font-size:.88rem;margin:0 0 24px}
.prose{font-size:1.02rem;color:var(--ink);overflow-wrap:break-word}
.prose h2{font-size:1.3rem;margin:1.6em 0 .5em}
.prose h3{font-size:1.1rem;margin:1.4em 0 .4em}
.prose>:first-child{margin-top:0}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1em}
.prose li{margin:.3em 0}
.prose code{background:var(--soft);border:1px solid var(--line);padding:1px 5px;border-radius:6px;font-size:.88em;overflow-wrap:anywhere}
.prose pre.code{background:#f6f6fb;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow:auto;font-size:.86rem;line-height:1.55;margin:0 0 1.2em;-webkit-overflow-scrolling:touch}
.prose pre.code code{background:none;border:0;padding:0;font-size:inherit}
.prose table{border-collapse:collapse;margin:0 0 1em;display:block;overflow-x:auto;max-width:100%}
.prose th,.prose td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.prose th{background:var(--brand-50)}
.tip{display:flex;gap:12px;background:var(--butter);border:1px solid #f1e3a1;border-radius:12px;padding:14px 16px;margin:0 0 1.2em}
.tip--note{background:var(--brand-50);border-color:var(--brand-100)}
.tip>div{min-width:0}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line);flex-wrap:wrap}
.readmark{margin:28px 0 0}
.upsell{margin-top:32px;background:linear-gradient(180deg,var(--brand-50),var(--surface))}
.upsell__list{list-style:none;padding:0;margin:8px 0 14px}
.upsell__list li{padding:7px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px;align-items:baseline}
.upsell__list li .small{margin-left:auto;flex:none}
.lock{text-align:center;margin:20px 0}
.lock__ico{font-size:2rem;margin-bottom:6px}

/* Knowledge check */
.check{margin-top:32px;border-color:var(--brand-100);background:linear-gradient(180deg,var(--brand-50),var(--surface))}
.check .h3{line-height:1.45}
.check__form{display:flex;flex-direction:column;gap:8px}
.opt{display:block;width:100%;text-align:left;background:var(--surface);border:1px solid var(--line-2);border-radius:12px;padding:12px 14px;margin:0 0 8px;cursor:pointer;line-height:1.45;transition:border-color .15s,background .15s}
.check__form .opt{margin:0}
.opt:hover{border-color:var(--brand);background:#f8f8ff}
.opt.is-ok{background:#e9f7f0;border-color:#8fd6b7;color:#125c3f;font-weight:600}
.opt.is-no{background:#fdf0f3;border-color:#f0b3c2;color:var(--rose-ink)}
div.opt{cursor:default}
div.opt:hover{border-color:var(--line-2);background:var(--surface)}
div.opt.is-ok:hover{background:#e9f7f0;border-color:#8fd6b7}
div.opt.is-no:hover{background:#fdf0f3;border-color:#f0b3c2}
.check__why{border-radius:12px;padding:12px 14px;margin:6px 0 12px;font-size:.95rem}
.check__why.is-ok{background:#e9f7f0;color:#125c3f}
.check__why.is-no{background:#fdf0f3;color:var(--rose-ink)}
.opt--radio{display:flex;gap:12px;align-items:flex-start}
.opt--radio input{margin-top:4px;accent-color:var(--brand);width:18px;height:18px;flex:none}
.opt--radio:has(input:checked){border-color:var(--brand);background:#f6f6ff}

/* Lab page (lab.css owns the lab itself) */
.lab-head{padding:20px 0 8px}
.lab-head .crumb{margin-bottom:8px}
.lab-head__row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.lab-head .h2{margin-bottom:4px}
.lab-head .lesson-meta{margin-bottom:6px}
.toc-pop{position:relative}
.toc-pop summary{list-style:none}
.toc-pop summary::-webkit-details-marker{display:none}
.toc-pop__panel{position:absolute;right:0;top:calc(100% + 8px);z-index:30;width:min(420px,calc(100vw - 32px));max-height:70vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:12px}
@media (max-width:520px){.toc-pop{width:100%}.toc-pop__panel{left:0;right:auto}}
.toc-pop__panel .llist a{padding:9px 10px}
.prose-fold{margin:8px 0 12px;padding:0 20px}
.prose-fold>summary{cursor:pointer;padding:14px 0;font-weight:700;list-style:none}
.prose-fold>summary::-webkit-details-marker{display:none}
.prose-fold>summary::before{content:"▸ ";color:var(--muted)}
.prose-fold[open]>summary::before{content:"▾ "}
.prose-fold .prose{padding-bottom:16px;max-width:760px}
.lab-wrap{padding:8px 0 0}
#tl-lab{min-height:420px}
.lab-loading{display:grid;place-items:center;min-height:420px;border:1px dashed var(--line-2);border-radius:var(--radius);background:repeating-linear-gradient(0deg,transparent 0 31px,var(--line) 31px 32px),repeating-linear-gradient(90deg,transparent 0 95px,var(--line) 95px 96px),var(--surface);color:var(--muted)}
.page-lab .pager{margin-top:24px}
.page-lab .site-foot,.page-lesson .site-foot{margin-top:48px}

/* Exam */
.exam{display:flex;flex-direction:column;gap:16px;margin-top:20px}
.exam__q{border:1px solid var(--line);margin:0;min-width:0}
.exam__q legend{float:left;width:100%;padding:0;margin-bottom:12px}
.exam__q legend .eyebrow{display:block;margin-bottom:6px;color:var(--muted)}
.exam__text{display:block;font-weight:650;font-size:1.05rem;line-height:1.45}
.exam__q legend+*{clear:both}
.result{margin-top:12px}
.result__ico{font-size:2.4rem;margin-bottom:8px}
.result--ok{background:linear-gradient(180deg,rgba(212,241,228,.6),var(--surface))}

/* Forms & auth */
.auth-wrap{display:flex;justify-content:center;padding-left:var(--gutter);padding-right:var(--gutter)}
.auth{width:100%;max-width:440px}
.form{display:flex;flex-direction:column;gap:16px;margin-top:8px}
.form>.btn:not(.btn--block){align-self:flex-start}
.field{display:flex;flex-direction:column;gap:6px;font-weight:650;font-size:.92rem}
.field em{font-style:normal;font-weight:400}
.field small{font-weight:400}
.field input,.field textarea,.field select{width:100%;min-height:48px;padding:12px 14px;border:1px solid var(--line-2);border-radius:12px;background:var(--surface);font-weight:400;font-size:1rem;transition:border-color .15s,box-shadow .15s}
.field textarea{resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand);box-shadow:var(--focus)}
.checkline{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--ink-2)}
.checkline input{margin-top:3px;width:18px;height:18px;accent-color:var(--brand);flex:none}
.auth__links{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:18px;color:var(--muted)}
.btn--google{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);font-weight:650}
.btn--google:hover{background:var(--soft);color:var(--ink)}
.auth__or{display:flex;align-items:center;gap:12px;margin:18px 0 6px;color:var(--muted);font-size:.85rem}
.auth__or::before,.auth__or::after{content:"";flex:1;height:1px;background:var(--line)}
.auth__gterms{margin:0 0 10px}
.auth2{display:flex;justify-content:center;padding:56px var(--gutter) 88px;background:linear-gradient(180deg,#eceefb 0%,var(--bg) 60%)}
.auth2__card{display:grid;grid-template-columns:1fr 1.1fr;width:100%;max-width:980px;background:var(--surface);border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.auth2__brand{position:relative;padding:44px 40px;color:#fff;display:flex;flex-direction:column;gap:22px;overflow:hidden;
  background:radial-gradient(500px 300px at 100% 0%,rgba(99,96,240,.55),transparent 65%),radial-gradient(420px 280px at 0% 100%,rgba(245,165,36,.25),transparent 65%),var(--night)}
.auth2__logo{display:flex;align-items:center}
.auth2__claim{font-family:var(--display);font-size:2rem;line-height:1.15;font-weight:600;letter-spacing:-.02em;margin:18px 0 0;color:#fff}
.auth2__pts{list-style:none;margin:0;padding:0;display:grid;gap:12px;color:var(--on-dark)}
.auth2__pts li{position:relative;padding-left:32px}
.auth2__pts li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;border-radius:50%;background:rgba(245,165,36,.18);color:var(--accent);display:grid;place-items:center;font-size:.8rem;font-weight:800}
.auth2__sheet{margin-top:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px;border-radius:14px;background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.auth2__sheet span{height:22px;border-radius:6px;background:rgba(255,255,255,.12)}
.auth2__sheet span.ok{background:rgba(245,165,36,.85)}
.auth2__main{padding:40px 44px 36px}
.atabs{position:relative;display:grid;grid-template-columns:1fr 1fr;background:var(--soft);border-radius:14px;padding:5px;margin-bottom:28px}
.atabs__tab{position:relative;z-index:1;text-align:center;padding:10px 12px;border-radius:10px;font-weight:680;color:var(--muted);text-decoration:none;transition:color .2s}
.atabs__tab.is-on{color:var(--ink);background:#fff;box-shadow:0 1px 2px rgba(16,20,46,.08),0 4px 12px rgba(16,20,46,.08)}
.atabs__tab:not(.is-on):hover{color:var(--ink)}
.atabs__pill{display:none}
.auth2__h{font-family:var(--display);font-size:1.9rem;font-weight:600;letter-spacing:-.02em;margin:0 0 6px}
.auth2__sub{color:var(--muted);margin:0 0 22px}
.auth2 .field input{background:#fafafe}
.auth2 .field input:focus{background:#fff}
.auth2 .auth__links{margin-top:20px}
@media (max-width:820px){.auth2{padding:20px 14px 48px}.auth2__card{grid-template-columns:1fr;border-radius:22px}.auth2__brand{display:none}.auth2__main{padding:26px 20px}}
.buyc{grid-template-columns:1fr;max-width:520px}

/* Account */
.acc-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start;margin-top:24px}
@media (max-width:900px){.acc-grid{grid-template-columns:1fr}}
.plist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px}
.plist__head{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.plist__head a{font-weight:650;color:var(--ink);text-decoration:none}
.plist__head a:hover{color:var(--brand)}
.certlist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.certlist li{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:12px;background:#fbfbfe}
.certlist a{font-weight:650}
.inline-form{display:inline-block;margin:8px 8px 0 0}
.danger summary{cursor:pointer;font-weight:650;color:var(--rose-ink);list-style:none}
.danger summary::-webkit-details-marker{display:none}
.danger[open] summary{margin-bottom:10px}

/* Certificate page */
.verified{display:flex;align-items:center;gap:10px;justify-content:center;width:max-content;max-width:100%;margin:0 auto 24px;background:#e9f7f0;border:1px solid #b9e3cf;color:#125c3f;border-radius:999px;padding:8px 16px;font-weight:650;font-size:.92rem;text-align:center}
.verified__dot{width:9px;height:9px;border-radius:50%;background:var(--mint-ink);flex:none}
.cert{position:relative;width:min(960px,100%);margin:0 auto;aspect-ratio:1.414/1;
  background:radial-gradient(600px 300px at 100% 0%,rgba(63,61,200,.10),transparent 60%),radial-gradient(520px 300px at 0% 100%,rgba(245,165,36,.14),transparent 60%),#fff;
  border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 80px rgba(16,20,46,.14);padding:clamp(20px,5.5%,56px);display:flex;flex-direction:column;overflow:hidden}
.cert::before{content:"";position:absolute;inset:12px;border:1px solid rgba(63,61,200,.22);border-radius:12px;pointer-events:none}
.cert__head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;position:relative}
.cert__seal{width:clamp(54px,9vw,84px);height:clamp(54px,9vw,84px);border-radius:50%;display:grid;place-items:center;background:var(--accent-50);color:var(--accent-ink);border:2px solid var(--accent);font-weight:800;font-size:clamp(.55rem,1.3vw,.72rem);text-transform:uppercase;letter-spacing:.06em;text-align:center}
.cert__body{flex:1;display:flex;flex-direction:column;justify-content:center;position:relative}
.cert .eyebrow{font-size:clamp(.6rem,1.4vw,.8rem);margin-bottom:clamp(6px,2vw,18px)}
.cert__for{color:var(--muted);margin:0;font-size:clamp(.72rem,1.6vw,.95rem)}
.cert__name{font-family:var(--display);font-size:clamp(1.5rem,5vw,3rem);font-weight:600;letter-spacing:-.025em;line-height:1.1;margin:4px 0 clamp(6px,2vw,16px);overflow-wrap:anywhere}
.cert__course{font-size:clamp(1rem,2.8vw,1.6rem);font-weight:720;margin-top:4px}
.cert__desig{align-self:flex-start;margin-top:clamp(6px,1.6vw,14px);background:var(--brand-50);color:var(--brand-700);border-radius:999px;padding:4px 12px;font-weight:650;font-size:clamp(.62rem,1.4vw,.85rem)}
.cert__foot{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;position:relative}
.cert__meta{display:flex;gap:clamp(10px,3vw,32px);margin:0;font-size:clamp(.6rem,1.4vw,.82rem)}
.cert__meta dt{color:var(--muted)}
.cert__meta dd{margin:0;font-weight:700}
.cert__verify{text-align:right;color:var(--muted);font-size:clamp(.55rem,1.2vw,.78rem)}
@media (max-width:560px){.cert{aspect-ratio:auto;min-height:420px}.cert__foot{flex-direction:column;align-items:flex-start}.cert__verify{text-align:left}.cert__meta{flex-wrap:wrap}}
.cert-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:24px 0}
.cert-scope{max-width:960px;margin:0 auto}
.chips{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.chips li{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:4px 11px;font-size:.82rem;color:var(--ink-2)}

/* 404 */
.nf__grid{display:grid;grid-template-columns:repeat(2,64px);gap:4px;justify-content:center;margin:0 auto 18px}
.nf__grid span{height:30px;border:1px solid var(--line-2);border-radius:6px;background:var(--surface)}
.nf__grid .is-x{background:var(--rose);color:var(--rose-ink);font-family:var(--mono);font-size:.8rem;display:grid;place-items:center;font-weight:700}

/* Legal */
.legal h1{font-family:var(--display);font-weight:600;font-size:clamp(1.9rem,3.6vw,2.5rem)}
.legal__todo{background:var(--butter);border:1px solid #f1e3a1;border-radius:12px;padding:10px 14px;font-size:.9rem;color:var(--butter-ink)}

/* Guides (/guides, /guides/<slug>) */
.gcard{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--brand);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:18px 20px;transition:transform .15s,box-shadow .15s}
.gcard--sky{border-top-color:#86b4f0}.gcard--lav{border-top-color:#a9a6f2}.gcard--peach{border-top-color:#f4a57e}.gcard--rose{border-top-color:#ee98ad}.gcard--mint{border-top-color:#6fcfa5}.gcard--butter{border-top-color:#f2cc5c}
.gcard:hover,.gcard:focus-within{transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.gcard__title{font-size:1.05rem;line-height:1.35;margin:0 0 8px}
.gcard__title a{color:var(--ink);text-decoration:none}
.gcard__title a::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.gcard__desc{color:var(--ink-2);font-size:.92rem;margin:0 0 12px;flex:1}
.gcard__meta{margin:0;font-size:.8rem;color:var(--muted)}
.guide-hero{padding:36px 0 30px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#eceefb 0%,var(--bg) 100%)}
.guide-hero__in{max-width:800px}
.guide-hero .h1{font-family:var(--display);font-weight:600}
.guide-lead p{font-size:clamp(1.03rem,1.5vw,1.15rem);color:var(--ink-2);line-height:1.65}
.guide-meta{display:flex;flex-wrap:wrap;gap:4px 16px;margin:0}
.guide-meta span+span::before{content:"·";margin-right:16px}
.guide-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:44px;align-items:start}
@media (max-width:960px){.guide-grid{grid-template-columns:minmax(0,1fr)}}
.guide-body{max-width:780px;min-width:0}
.guide-body .prose h2{scroll-margin-top:92px}
.guide-h2{font-size:1.3rem;margin:1.8em 0 .7em;scroll-margin-top:92px}
.guide-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:16px}
@media (max-width:960px){.guide-side{position:static;max-width:780px}}
.guide-toc{padding:18px 20px;box-shadow:none}
.guide-toc__h{font-weight:700;margin:0 0 8px}
.guide-toc ol{margin:0;padding-left:1.2em;font-size:.88rem;display:flex;flex-direction:column;gap:5px}
.guide-toc a{color:var(--ink-2);text-decoration:none}
.guide-toc a:hover{color:var(--brand);text-decoration:underline}
.guide-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:8px 0 28px;padding:18px 20px;border-radius:var(--radius);border:1px solid var(--brand-100);background:linear-gradient(90deg,var(--brand-50),var(--surface))}
.guide-cta__ico{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--brand);color:#fff;font-size:1.3rem}
.guide-cta__body{flex:1;min-width:200px}
.guide-cta__h{font-weight:700;margin:0 0 2px}
.guide-cta .small{margin:0}
.mistakes{list-style:none;padding:0!important}
.mistakes li{position:relative;padding:10px 14px 10px 40px;margin:0 0 8px;border-radius:10px;background:#fdf3f5;border:1px solid #f3d3db}
.mistakes li::before{content:"!";position:absolute;left:12px;top:10px;width:18px;height:18px;border-radius:50%;background:var(--rose);color:var(--rose-ink);font-weight:800;font-size:.75rem;display:grid;place-items:center}
.glabs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.glabs a{display:flex;align-items:center;gap:14px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;color:var(--ink)}
.glabs a:hover{border-color:var(--brand-100);background:#fbfbff}
.glabs__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.glabs__title{font-weight:620;line-height:1.35}
.glabs__meta{font-size:.82rem;color:var(--muted)}
.side-guides__list{margin:6px 0 0;padding-left:1.1em;display:flex;flex-direction:column;gap:6px}
/* Example grid in guides: a static spreadsheet. Only the grid scrolls sideways, never the page. */
.gsheet{margin:6px 0 18px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;max-width:100%}
.gsheet__bar{display:flex;align-items:center;gap:6px;padding:9px 14px;border-bottom:1px solid var(--line);background:#f8f8fc}
.gsheet__bar span{width:10px;height:10px;border-radius:50%;background:var(--line-2)}
.gsheet__bar em{font-style:normal;font-size:.8rem;color:var(--muted);margin-left:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gsheet__scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}
.gsheet__scroll:focus-visible{outline-offset:-3px}
.prose .gsheet__t,.gsheet__t{display:table;border-collapse:collapse;margin:0;min-width:100%;font-size:.84rem;font-variant-numeric:tabular-nums;max-width:none;overflow:visible}
.prose .gsheet__t th,.prose .gsheet__t td,.gsheet__t th,.gsheet__t td{border:1px solid var(--line);padding:5px 9px;height:30px;white-space:nowrap;text-align:left;background:var(--surface);font-weight:400}
.prose .gsheet__t thead th,.gsheet__t thead th,.prose .gsheet__t tbody>tr>th,.gsheet__t tbody>tr>th{background:#f3f4f9;color:var(--muted);font-weight:650;font-size:.74rem;text-align:center;padding:4px 8px}
.gsheet__t tbody>tr>th{width:34px}
.gsheet__corner{width:34px}
.prose .gsheet__t td.is-num,.gsheet__t td.is-num{text-align:right}
.prose .gsheet__t .is-head,.gsheet__t .is-head{background:var(--brand-50);color:var(--brand-700);font-weight:700;font-size:.84rem;text-align:left}
.prose .gsheet__t td.is-in,.gsheet__t td.is-in{background:var(--butter)}
.prose .gsheet__t td.is-out,.gsheet__t td.is-out{background:#f1faf5;color:#125c3f}
.prose .gsheet__t td.is-total,.gsheet__t td.is-total{font-weight:700;border-top:2px solid var(--ink-2)}
.prose .gsheet__t td.is-key,.gsheet__t td.is-key{background:var(--mint);color:var(--mint-ink);font-weight:750;box-shadow:inset 0 0 0 2px #6fcfa5}
.prose .gsheet__t td.is-total.is-fx,.gsheet__t td.is-total.is-fx{background:#f1faf5;color:#125c3f}
.prose .gsheet__t td.gsheet__fx,.gsheet__t td.gsheet__fx{background:#fbfbfe;color:var(--muted);font-size:.76rem}
.prose .gsheet__t td.gsheet__fx code,.gsheet__t td.gsheet__fx code{background:none;border:0;padding:0;color:var(--ink-2);font-size:inherit}
.prose .gsheet__t .gsheet__fxh,.gsheet__t .gsheet__fxh{text-align:left!important}
.gsheet__cap{padding:12px 14px;border-top:1px solid var(--line);background:#fbfbfe}
.gsheet__caph{display:block;font-weight:700;font-size:.82rem;margin-bottom:6px}
.prose .fxlist,.fxlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:5px;font-size:.82rem}
.prose .fxlist li,.fxlist li{margin:0;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 10px;min-width:0}
.fxlist b{flex:none;min-width:34px;color:var(--muted);font-family:var(--mono);font-weight:650}
.fxlist code{overflow-wrap:anywhere;word-break:break-word;color:var(--brand)}
.fxlist span{color:var(--muted)}

/* Reviews */
.stars{display:inline-flex;gap:1px;font-size:1.05rem;line-height:1;vertical-align:-2px}
.stars__on{color:#e0a400}.stars__off{color:var(--line-2)}
.rev-sum{display:flex;align-items:center;justify-content:center;gap:10px;margin:0;font-weight:650}
.rev{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px}
.rev__body{margin:0;white-space:normal;overflow-wrap:anywhere}
.rev-how{max-width:640px;margin:18px auto 0}
.rate{border:0;padding:0;margin:0}
.rate legend{font-weight:650;font-size:.92rem;padding:0;margin-bottom:6px}
.rate__row{display:inline-flex;flex-direction:row-reverse;gap:4px}
.rate__row input{position:absolute;opacity:0;width:1px;height:1px}
.rate__row label{font-size:2rem;line-height:1;color:var(--line-2);cursor:pointer;padding:2px;border-radius:6px}
.rate__row input:checked~label,.rate__row label:hover,.rate__row label:hover~label{color:#e0a400}
.rate__row input:focus-visible+label{outline:3px solid var(--brand);outline-offset:2px}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.rev-admin__head{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.rev-admin--pending{border-color:#e9cf7a}
.rev-admin--rejected{opacity:.7}
.section--first{padding-top:40px}

/* Print: certificate only */
@media print{
  @page{size:A4 landscape;margin:0}
  body{background:#fff}
  .site-head,.site-foot,.devbar,.skip,.verified,.cert-actions,.cert-scope,.flash{display:none!important}
  .section{padding:0}
  .page-cert .wrap{max-width:none;padding:0}
  .cert{width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;box-shadow:none;border:0;-webkit-print-color-adjust:exact;print-color-adjust:exact}
}

/* ===== 29.10.2026 Politur: einheitliche Überschriften, Kurs-Verkaufsseite, Leerzustände ===== */
.h1,.h2{font-family:var(--display);font-weight:600;letter-spacing:-.02em}
.h1{line-height:1.12}
.h2{line-height:1.18}
/* Kurs: Hero */
.course-hero__trust{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 22px;font-size:.9rem;font-weight:600;color:var(--on-dark)}
.course-hero__trust li{display:inline-flex;align-items:center;gap:8px}
.course-hero__trust svg{flex:none;color:var(--accent)}
/* Kurs: Hauptspalte */
.course-main>section{margin-bottom:56px}
.course-main>section:last-child{margin-bottom:8px}
.course-main .course-about{margin-bottom:56px}
.cbuild__p{max-width:62ch;margin-bottom:22px}
.cbuild__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cbuild__list li{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;line-height:1.5;color:var(--ink-2);font-size:.94rem}
.cbuild__ico{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--mint);color:var(--mint-ink);margin-top:1px}
@media (max-width:640px){.cbuild__list{grid-template-columns:1fr}}
.ccurr__head{display:flex;align-items:baseline;justify-content:space-between;gap:6px 24px;flex-wrap:wrap;margin-bottom:16px}
.ccurr__head .h2{margin:0}
.ccurr__sum{margin:0;color:var(--muted);font-size:.9rem;font-weight:600}
.curr{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;box-shadow:var(--shadow-sm)}
.curr__item{display:flex;align-items:center;gap:16px;padding:14px 18px;border-top:1px solid var(--line)}
.curr__item:first-child{border-top:0}
.curr__num{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand);font-weight:750;font-size:.84rem;font-variant-numeric:tabular-nums}
.curr__item.is-done .curr__num{background:var(--mint);color:var(--mint-ink)}
.curr__item--exam{background:var(--accent-50)}
.curr__item--exam .curr__num{background:var(--surface);color:var(--accent-ink);border:1px solid #f3d597}
.curr__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.curr__title{font-weight:650;color:var(--ink);text-decoration:none;line-height:1.35;overflow-wrap:anywhere}
a.curr__title:hover{color:var(--brand);text-decoration:underline}
.curr__meta{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:center;color:var(--muted);font-size:.8rem}
.curr__state{flex:none;color:var(--muted)}
.curr__lock{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--soft)}
@media (max-width:640px){.curr__item{gap:12px;padding:12px 14px}.curr__num{width:32px;height:32px}}
.ccert{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;background:var(--soft);border:1px solid var(--line);border-radius:24px;padding:36px}
.ccert .ticks{margin-bottom:12px}
.certmock--sm .certmock__paper{padding:24px}
.certmock--sm .certmock__head{margin-bottom:18px}
.certmock--sm .certmock__name{font-size:1.55rem}
.certmock--sm .certmock__course{font-size:1rem;margin-bottom:18px}
@media (max-width:1100px){.ccert{grid-template-columns:1fr}}
@media (max-width:640px){.ccert{padding:22px 18px;border-radius:18px}}
.cfaq__more{margin:14px 0 0}
/* Kurs: Seitenspalte mit mitlaufender Kaufkarte */
.course-side{position:static;align-self:stretch}
.side-buy{position:sticky;top:96px}
.side-buy__t{font-weight:700;margin:0 0 8px;line-height:1.35}
.side-buy__price{font-family:var(--display);font-size:2rem;font-weight:600;margin:0 0 14px;letter-spacing:-.02em;line-height:1}
.side-buy__price small{font-family:var(--font);font-size:.8rem;color:var(--muted);font-weight:600;letter-spacing:0}
.side-buy__login,.side-buy__hint{margin:10px 0 0;text-align:center;font-size:.8rem;color:var(--muted)}
@media (max-width:960px){.side-buy{display:none}}
/* Kurs: mobile Kaufleiste */
.buybar{display:none}
@media (max-width:960px){
  .buybar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:35;align-items:center;justify-content:space-between;gap:12px;
    padding:10px var(--gutter) calc(10px + env(safe-area-inset-bottom,0px));background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(16,20,46,.08);transition:transform .25s ease,visibility .25s}
  .buybar.is-hidden{transform:translateY(110%);visibility:hidden}
  .buybar__price{display:flex;flex-direction:column;line-height:1.15}
  .buybar__price strong{font-family:var(--display);font-size:1.45rem;font-weight:600;color:var(--ink)}
  .buybar__price small{font-size:.75rem;color:var(--muted);font-weight:600}
  .buybar .btn{min-width:150px}
  .has-buybar .site-foot{padding-bottom:76px}
}
/* Gesperrte Lektion: Lernziel */
.lock__goal{max-width:540px;margin:4px auto 18px;text-align:left;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.lock__goal .eyebrow{margin-bottom:4px}
.lock__goal p{margin:0;color:var(--ink-2)}
/* Katalog: leere Suche */
.cdir__none{padding:40px 24px}
.cdir__none-ico{width:52px;height:52px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;background:var(--brand-50);color:var(--brand)}
.cdir__none .hero__cta{margin:6px 0 0;gap:10px}
/* Passwort vergessen: Rückweg */
.auth__back{margin:16px 0 0;text-align:center}
/* Startseite: Suchfeld auf schmalen Bildschirmen (Platzhalter nicht abschneiden) */
@media (max-width:420px){.search--hero .search__input{font-size:.94rem;padding-left:8px;padding-right:6px}.search--hero .search__btn{padding:12px 14px}.search--hero .search__ico{padding-left:14px}}