/* Cool English – web (design podle aplikace) */
@font-face{font-family:"Fredoka";src:url(../fonts/Fredoka-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Fredoka";src:url(../fonts/Fredoka-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Jakarta";src:url(../fonts/PlusJakartaSans-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Jakarta";src:url(../fonts/PlusJakartaSans-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Jakarta";src:url(../fonts/PlusJakartaSans-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Jakarta";src:url(../fonts/PlusJakartaSans-800.woff2) format("woff2");font-weight:800;font-display:swap}

:root{
  --green:#00A651; --green-dark:#00803F; --yellow:#FECE06; --yellow-ink:#3A2F00;
  --ink:#14251A; --text:#24362A; --muted:#5C6F62; --line:#DDE5DF;
  --bg:#F4F6F2; --surface:#FFFFFF; --surface-2:#EAF4EC; --brand:#00803F;
  --karaoke:#FFF9E0; --karaoke-border:#F3DC7A; --tip:#2F87E2;
  --hero-1:#00A651; --hero-2:#007A3D;
  --shadow:0 1px 2px rgba(20,37,26,.06),0 8px 24px rgba(20,37,26,.08);
  --radius:20px; --max:1160px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ink:#EEF5EF; --text:#D5E2D8; --muted:#97AA9D; --line:#26372C;
    --bg:#0E1712; --surface:#17231C; --surface-2:#1C2D22; --brand:#3CCB7F;
    --karaoke:#26301F; --karaoke-border:#4A5530; --tip:#6FB1F5;
    --hero-1:#0B5E33; --hero-2:#073D22;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ink:#EEF5EF; --text:#D5E2D8; --muted:#97AA9D; --line:#26372C;
  --bg:#0E1712; --surface:#17231C; --surface-2:#1C2D22; --brand:#3CCB7F;
  --karaoke:#26301F; --karaoke-border:#4A5530; --tip:#6FB1F5;
  --hero-1:#0B5E33; --hero-2:#073D22;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 "Jakarta",system-ui,-apple-system,"Segoe UI",sans-serif;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-underline-offset:3px}
h1,h2,h3{color:var(--ink);line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
@media (min-width:720px){.wrap{padding:0 28px}}
.skip,.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip:focus{width:auto;height:auto;clip:auto;left:16px;top:16px;z-index:99;background:var(--surface);padding:8px 12px;border-radius:8px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:6px}

/* logo */
.logo{display:inline-flex;flex-direction:column;align-items:flex-start;text-decoration:none;line-height:1;font-family:"Fredoka",sans-serif;position:relative}
.logo .cool{font-weight:600;color:var(--yellow);font-size:.6em;transform:rotate(-6deg);transform-origin:left bottom;margin:0 0 -.12em .12em;text-shadow:0 1px 0 rgba(0,0,0,.18)}
.logo .eng{font-weight:700;color:var(--brand);font-size:1em}
.logo.on-green .eng{color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:16px;min-height:68px}
.site-header .logo{font-size:30px;margin-right:auto}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:999px}
.nav a:hover{background:var(--surface-2)}
.nav a[aria-current="page"]{color:var(--brand);background:var(--surface-2)}
.menu-btn svg{width:26px;height:26px}
.menu-btn{display:none;background:none;border:0;color:var(--ink);padding:8px;border-radius:10px;cursor:pointer}
.lang{position:relative}
.lang select{appearance:none;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:7px 28px 7px 12px;font:600 14px "Jakarta",sans-serif;cursor:pointer}
.lang::after{content:"";position:absolute;right:12px;top:50%;width:6px;height:6px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:translateY(-70%) rotate(45deg);pointer-events:none}
@media (max-width:900px){
  .menu-btn{display:block}
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;background:var(--surface);border-bottom:1px solid var(--line);padding:8px 16px 16px;display:none;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px;font-size:17px}
  .site-header .header-cta{display:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 16px/1 "Jakarta",sans-serif;text-decoration:none;border-radius:999px;padding:15px 24px;border:0;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-yellow{background:var(--yellow);color:var(--yellow-ink);box-shadow:0 4px 0 #D9AE00}
.btn-yellow:hover{box-shadow:0 6px 0 #D9AE00}
.btn-ghost{background:transparent;color:var(--ink);border:2px solid var(--line)}
.btn-sm{padding:10px 16px;font-size:14px}
.store{display:inline-flex;align-items:center;gap:12px;background:#0B0F0C;color:#fff;text-decoration:none;border-radius:14px;padding:10px 18px 10px 14px;min-width:190px;border:1px solid rgba(255,255,255,.18);transition:transform .15s}
.store:hover{transform:translateY(-1px)}
.store svg{width:28px;height:28px;flex:none}
.store small{display:block;font-size:11px;opacity:.8;line-height:1.1;font-weight:600}
.store b{display:block;font-size:19px;line-height:1.15;font-weight:700;letter-spacing:-.01em}
.stores{display:flex;flex-wrap:wrap;gap:12px}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(254,206,6,.22),transparent 60%),linear-gradient(160deg,var(--hero-1),var(--hero-2));color:#E9FFF1;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:72px}
.hero h1{color:#fff}
.hero h1 em{font-style:normal;color:var(--yellow)}
.hero .lead{font-size:1.2rem;max-width:34em;color:#DDF6E6}
.hero .note{font-size:14px;color:#BFE8CF;margin-top:16px;display:flex;flex-wrap:wrap;gap:6px 16px}
.hero .note span::before{content:"✓ ";color:var(--yellow);font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 8px}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:40px;padding-bottom:56px}}

/* phone with live player */
.phone{width:min(340px,100%);margin:0 auto;background:#0B0F0C;border-radius:46px;padding:12px;box-shadow:0 30px 60px rgba(0,0,0,.35),inset 0 0 0 2px #2A332D}
.screen{background:var(--bg);border-radius:36px;overflow:hidden;color:var(--text);min-height:560px;display:flex;flex-direction:column}
.screen-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 6px;font:700 13px "Jakarta",system-ui,sans-serif;color:var(--ink)}
.screen-title{padding:4px 20px 12px}
.screen-title small{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.06em}
.screen-title div{font-weight:800;color:var(--ink);font-size:18px}
.karaoke{margin:0 14px;background:var(--karaoke);border:1px solid var(--karaoke-border);border-radius:18px;padding:16px 14px;min-height:150px}
.words{display:flex;flex-wrap:wrap;gap:10px 8px}
.word{display:flex;flex-direction:column;align-items:flex-start;padding:2px 4px;border-radius:8px;transition:background .12s,color .12s}
.word b{font-size:21px;font-weight:700;color:var(--ink);line-height:1.2}
.word i{font-style:normal;font-size:12px;color:var(--muted);line-height:1.2}
.word.on{background:var(--green)}
.word.on b,.word.on i{color:#fff}
.card-mini{margin:10px 14px 0;background:var(--surface);border-radius:16px;padding:12px 14px;font-size:14px;box-shadow:var(--shadow)}
.card-mini .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.card-mini.tip{color:var(--tip)}
.controls{margin-top:auto;padding:16px 14px 20px;display:flex;align-items:center;justify-content:center;gap:18px}
.ctrl{width:44px;height:44px;border-radius:50%;border:0;background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow)}
.ctrl.play{width:68px;height:68px;background:var(--yellow);color:var(--yellow-ink)}
.ctrl svg{width:22px;height:22px}
.ctrl.play svg{width:30px;height:30px}
.chips{display:flex;gap:6px;justify-content:center;padding:0 14px}
.chip{font:700 12px "Jakarta",system-ui,sans-serif;background:var(--surface-2);color:var(--brand);border-radius:999px;padding:6px 10px}
.progress{height:4px;background:var(--line);margin:12px 14px 0;border-radius:4px;overflow:hidden}
.progress span{display:block;height:100%;width:0;background:var(--green);transition:width .2s linear}
.demo-hint{text-align:center;color:#CBEED8;font-size:14px;margin-top:14px}

/* sections */
section{padding:72px 0}
.section-head{max-width:720px;margin-bottom:36px}
.eyebrow{display:inline-block;font:800 13px "Jakarta",system-ui,sans-serif;text-transform:uppercase;letter-spacing:.1em;color:var(--brand);margin-bottom:10px}
.lead{font-size:1.15rem;color:var(--muted)}
.alt{background:var(--surface)}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);border:1px solid var(--line)}
.alt .card{background:var(--bg)}
.card p:last-child{margin-bottom:0}
.icon{width:48px;height:48px;border-radius:14px;background:var(--surface-2);color:var(--brand);display:grid;place-items:center;margin-bottom:16px}
.icon svg{width:26px;height:26px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:-40px;position:relative;z-index:2}
.stat{background:var(--surface);border-radius:18px;padding:20px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--line)}
.stat b{display:block;font:700 clamp(1.6rem,3.6vw,2.3rem)/1.1 "Fredoka",sans-serif;color:var(--brand)}
.stat span{font-size:14px;color:var(--muted);font-weight:600}
@media (max-width:720px){.stats{grid-template-columns:repeat(2,1fr)}}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{position:relative;padding-top:64px}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:22px;left:26px;width:34px;height:34px;border-radius:50%;background:var(--yellow);color:var(--yellow-ink);font:800 17px/34px "Jakarta",system-ui,sans-serif;text-align:center}
.step .times{font:700 2.4rem/1 "Fredoka",system-ui,sans-serif;color:var(--brand);display:block;margin-bottom:6px}
@media (max-width:860px){.steps{grid-template-columns:1fr}}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}
.checks{list-style:none;padding:0;margin:0 0 1em}
.checks li{position:relative;padding-left:32px;margin:0 0 10px}
.checks li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5.5 10.5l3 3 6-7' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}

/* courses */
.course{display:flex;flex-direction:column}
.course .tag{align-self:flex-start;font:800 12px "Jakarta",system-ui,sans-serif;text-transform:uppercase;letter-spacing:.06em;padding:5px 10px;border-radius:999px;background:var(--surface-2);color:var(--brand);margin-bottom:14px}
.course .tag.gold{background:var(--yellow);color:var(--yellow-ink)}
.course .facts{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--muted);font-weight:600;margin:4px 0 14px}
.course ul{margin:0 0 1em;padding-left:1.1em;font-size:15px}
.course.featured{border:2px solid var(--green)}
.course .bottom{margin-top:auto;font-size:14px;color:var(--muted)}

/* cta band */
.cta-band{background:linear-gradient(135deg,var(--hero-1),var(--hero-2));color:#E9FFF1;border-radius:28px;padding:48px 40px;display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{margin:0;color:#D3F2DF}
@media (max-width:860px){.cta-band{grid-template-columns:1fr;padding:36px 24px}}

/* faq */
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 20px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:18px 28px 18px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:12px;font:400 26px "Jakarta",system-ui,sans-serif;color:var(--brand)}
.faq details[open] summary::after{content:"–"}
.faq details>div{padding:0 0 18px}

/* page header for subpages */
.page-hero{background:linear-gradient(160deg,var(--hero-1),var(--hero-2));color:#DDF6E6;padding:56px 0 64px}
.page-hero h1{color:#fff;margin-bottom:.25em}
.page-hero p{font-size:1.15rem;max-width:40em;margin:0}

/* prose (legal pages) */
.prose{max-width:780px}
.prose h2{font-size:1.45rem;margin-top:1.8em}
.prose h3{margin-top:1.4em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.4em}
.prose table{border-collapse:collapse;width:100%;font-size:15px;margin:0 0 1.2em}
.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;padding:10px 8px;vertical-align:top}
.prose th{color:var(--ink)}
.table-scroll{overflow-x:auto}

/* contact */
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:0}
.kv dt{color:var(--muted);font-weight:600}
.kv dd{margin:0;color:var(--ink);font-weight:600}

.qr{background:#fff;border-radius:18px;padding:14px;width:180px;box-shadow:var(--shadow)}

/* footer */
.site-footer{background:#0B1510;color:#A9BDB0;padding:56px 0 32px;font-size:15px;margin-top:0}
.site-footer .logo{font-size:30px;margin-bottom:12px}
.site-footer .logo .eng{color:#fff}
.site-footer a{color:#DDEBE2;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-grid h4{color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:8px}
.footer-bottom{border-top:1px solid #1E2B23;margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;font-size:13px}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

.center{text-align:center}
.mt{margin-top:28px}
.muted{color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* ruština: písma webu nemají azbuku – systémové písmo (logo zůstává) */
html[lang="ru"] body,html[lang="ru"] .btn,html[lang="ru"] .chip,html[lang="ru"] .eyebrow,html[lang="ru"] .tag,html[lang="ru"] .faq summary::after,html[lang="ru"] .lang select,html[lang="ru"] .screen-top{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}