/* Brainmondo - navrh webu (ciste HTML/CSS/JS) */
:root{
  --green:#8BC34A; --green-d:#5A8A2E; --green-dd:#3E6620;
  --orange:#F5730A; --orange-d:#D9600A;
  --ink:#2B332A; --muted:#5D6B57; --line:#E7EFE0;
  --bg:#FBFDF9; --bg-soft:#F1F7EA; --card:#FFFFFF;
  --radius:22px; --shadow:0 18px 50px -24px rgba(60,102,32,.35); --maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3{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,3.3vw,2.5rem)}
p{margin:0 0 1em}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.72rem;
  color:var(--green-d);background:var(--bg-soft);padding:.45em .9em;border-radius:999px}
.muted{color:var(--muted)}
.prose{max-width:64ch}
.center{text-align:center}
.btn{display:inline-flex;align-items:center;gap:.55em;border:0;cursor:pointer;font:inherit;font-weight:700;
  padding:.9em 1.5em;border-radius:999px;transition:transform .15s ease,box-shadow .2s ease,background .2s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 14px 30px -12px rgba(245,115,10,.6)}
.btn-primary:hover{background:var(--orange-d)}
.btn-ghost{background:#fff;color:var(--green-dd);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--green)}
.btn-lg{padding:1.05em 1.8em;font-size:1.05rem}
section{padding:clamp(52px,7vw,100px) 0}
.section-alt{background:var(--bg-soft)}

/* Banner */
#banner{position:sticky;top:0;z-index:60;background:linear-gradient(90deg,var(--green-dd),var(--green-d));color:#fff;transition:transform .5s ease, margin .5s ease}
#banner.hide{transform:translateY(-100%);margin-top:-80px}
.banner-in{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center;padding:10px 24px;max-width:var(--maxw);margin:0 auto}
.mini{display:inline-flex;gap:8px}
.mini a{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.16);padding:.42em .95em;border-radius:999px;font-size:.85rem;font-weight:700}
.mini a:hover{background:rgba(255,255,255,.28)}
#banner .x{margin-left:6px;background:transparent;border:0;color:#fff;opacity:.8;cursor:pointer;font-size:1.2rem;line-height:1}
#banner .x:hover{opacity:1}

/* Header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(251,253,249,.96);backdrop-filter:saturate(1.1) blur(6px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:18px;padding:12px 24px;max-width:var(--maxw);margin:0 auto}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;color:var(--ink)}
.brand .logo{width:36px;height:36px;border-radius:9px;display:block;box-shadow:0 4px 12px -4px rgba(60,102,32,.5)}
nav.links{margin-left:auto;display:flex;gap:24px;align-items:center}
nav.links a.nl{font-weight:600;color:#26301F}
nav.links a.nl:hover{color:var(--green-d)}
nav.links a.nl.active{color:var(--green-dd)}
nav.links a.nl.active::after{content:"";display:block;height:2px;background:var(--green);border-radius:2px;margin-top:3px}
nav.links a.btn.btn-primary{color:#fff}
.lang{display:inline-flex;border:1.5px solid var(--line);border-radius:999px;overflow:hidden}
.lang a{padding:.32em .62em;font-weight:700;font-size:.78rem;color:var(--muted);border-right:1px solid var(--line)}
.lang a:last-child{border-right:0}
.lang a.on{background:var(--green-d);color:#fff}
.lang a:hover:not(.on){color:var(--green-dd);background:var(--bg-soft)}
.burger{display:none;margin-left:auto;background:none;border:0;cursor:pointer}
.burger span{display:block;width:26px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px}

/* Hero */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-20% -10% auto auto;width:60vw;height:60vw;max-width:720px;max-height:720px;background:radial-gradient(closest-side,rgba(139,195,74,.22),transparent);border-radius:50%;z-index:0}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1 span{color:var(--green-d)}
.hero .lead{font-size:1.2rem;max-width:36ch}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero .assure{margin-top:16px;font-size:.9rem;color:var(--muted)}
.hero-art{position:relative}
.blob{position:absolute;inset:0;margin:auto;width:88%;aspect-ratio:1;background:linear-gradient(160deg,#EAF5DD,#DCEFC9);border-radius:42% 58% 55% 45%/50% 45% 55% 50%;filter:blur(2px)}
.hero-art svg{position:relative;width:100%;height:auto;display:block}
.subhero{padding:clamp(48px,6vw,84px) 0 clamp(20px,3vw,40px)}
.subhero .lead{font-size:1.15rem;max-width:58ch}

/* Stats */
.stats{background:var(--green-dd);color:#fff}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.stat b{display:block;font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;letter-spacing:-.03em}
.stat span{opacity:.85;font-weight:600}
.stats .note{text-align:center;margin-top:28px;opacity:.9}
.stats .note em{color:#Dff0c6;font-style:normal;font-weight:800}

/* Cards / features */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease}
.card:hover{transform:translateY(-8px);box-shadow:0 30px 62px -22px rgba(60,102,32,.5);border-color:#D6E7C2}
.card .ic{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:var(--bg-soft);margin-bottom:16px;font-size:1.5rem;transition:transform .25s ease}
.card:hover .ic{transform:scale(1.14) rotate(-5deg);background:#E4F2D3}
.card h3{font-size:1.15rem;margin-bottom:.35em}
.card p{color:var(--muted);margin:0;font-size:.97rem}

/* Two-column split */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.illus{background:linear-gradient(160deg,#EAF5DD,#DCEFC9);border-radius:var(--radius);aspect-ratio:4/3;display:grid;place-items:center;box-shadow:var(--shadow)}
.illus svg{width:70%;height:auto}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.6em 1.1em;font-weight:600;color:var(--green-dd);box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
.chip:hover{transform:translateY(-4px);border-color:var(--green)}

/* Steps */
.steps{display:grid;gap:16px;margin-top:34px;counter-reset:s}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);transition:transform .2s}
.step:hover{transform:translateX(6px)}
.step .n{counter-increment:s;flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:var(--bg-soft);color:var(--green-dd);font-weight:800;display:grid;place-items:center}
.step .n::before{content:counter(s)}
.step h3{margin:0 0 .2em;font-size:1.1rem}
.step p{margin:0;color:var(--muted)}

/* OS detection box */
.os-box{margin:6px auto 26px;max-width:540px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.os-line{margin:0 0 14px;font-size:1.08rem}
.os-line b{color:var(--green-dd)}
.os-box .btn{width:100%;justify-content:center}
.os-fallback{margin:12px 0 0;font-size:.86rem}

/* Download */
.download{background:var(--bg-soft)}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
.dl-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow);transition:transform .22s ease, box-shadow .22s ease}
.dl-card:hover{transform:translateY(-8px) scale(1.015);box-shadow:0 30px 62px -22px rgba(60,102,32,.5)}
.dl-card:hover .qr{border-color:var(--green)}
.dl-card h3{font-size:1.05rem;margin-bottom:14px}
.store{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;border-radius:14px;padding:.7em 1.1em;font-weight:700;width:100%;justify-content:center}
.store:hover{background:#1d241c}
.store small{display:block;font-size:.66rem;opacity:.8;font-weight:600;text-align:left}
.store .lbl{font-size:1rem;line-height:1;text-align:left}
.qr{margin:22px auto 6px;width:150px;height:150px;border:1px solid var(--line);border-radius:16px;padding:8px;background:#fff;transition:border-color .22s ease}
.qr img{width:100%;height:100%;display:block;image-rendering:pixelated}
.dl-card .cap{font-size:.82rem;color:var(--muted)}

/* Gift section */
.gift{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.gift-art{background:linear-gradient(160deg,#FDEBD6,#FAD9B4);border-radius:var(--radius);aspect-ratio:4/3;display:grid;place-items:center;box-shadow:var(--shadow);font-size:5rem}

/* Testimonial carousel */
.tcar{max-width:820px;margin:0 auto;text-align:center;position:relative}
.tslide{display:none}
.tslide.active{display:block;animation:fade .55s ease}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.tslide blockquote{font-size:clamp(1.3rem,2.6vw,1.9rem);font-weight:700;letter-spacing:-.01em;margin:0 0 18px;color:var(--green-dd)}
.tslide cite{font-style:normal;color:var(--muted);font-weight:600}
.tdots{display:flex;gap:10px;justify-content:center;margin-top:26px}
.tdots button{width:10px;height:10px;border-radius:50%;border:0;background:#CDDCBB;cursor:pointer;padding:0;transition:transform .2s,background .2s}
.tdots button.on{background:var(--green-d);transform:scale(1.35)}

/* Results iframe */
.iframe-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;max-width:960px;margin:0 auto}
.iframe-wrap iframe{width:100%;height:620px;border:0;display:block}

/* Pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;align-items:stretch}
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s}
.price-card:hover{transform:translateY(-8px);box-shadow:0 30px 62px -22px rgba(60,102,32,.5)}
.price-card.featured{border:2px solid var(--green)}
.price-card .tag{align-self:flex-start;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--green-d);padding:.3em .8em;border-radius:999px;margin-bottom:12px}
.price-card h3{font-size:1.2rem;margin-bottom:.2em}
.price-card .amt{font-size:2.2rem;font-weight:800;color:var(--green-dd);letter-spacing:-.02em}
.price-card .was{font-size:1rem;color:var(--muted);text-decoration:line-through;margin-left:8px;font-weight:600}
.price-card .per{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.price-card ul{list-style:none;padding:0;margin:0 0 22px;color:var(--muted)}
.price-card li{padding:6px 0 6px 26px;position:relative}
.price-card li::before{content:"\2713";position:absolute;left:0;color:var(--green-d);font-weight:800}
.price-card .btn{margin-top:auto;justify-content:center}

/* Band */
.band{background:linear-gradient(135deg,var(--green),var(--green-d));color:#fff;border-radius:var(--radius);padding:clamp(34px,5vw,60px);text-align:center;box-shadow:var(--shadow)}
.band h2{color:#fff}
.band .btn-primary{background:#fff;color:var(--orange-d)}
.band .btn-primary:hover{background:#fff4e9}

/* Footer */
footer{background:#F4F8EF;border-top:1px solid var(--line);padding:56px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
footer h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--green-d);margin:0 0 14px}
footer a.fl{display:block;color:var(--muted);padding:4px 0}
footer a.fl:hover{color:var(--green-dd)}
.social{display:flex;gap:12px;margin-top:14px}
.social a{width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;transition:transform .2s,border-color .2s}
.social a svg{width:18px;height:18px;fill:var(--green-d);transition:fill .2s}
.social a:hover{transform:translateY(-3px);border-color:var(--green)}
.social a:hover svg{fill:var(--green-dd)}
.copy{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:900px){
  .hero-grid,.grid2,.gift{grid-template-columns:1fr;gap:28px}
  .hero-art{order:-1;max-width:420px;margin:0 auto}
  .feat-grid,.grid-3,.price-grid{grid-template-columns:1fr 1fr}
  .dl-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  nav.links{display:none;position:absolute;top:62px;left:0;right:0;background:var(--bg);flex-direction:column;padding:16px 24px;border-bottom:1px solid var(--line);gap:8px;align-items:flex-start}
  nav.links.open{display:flex}
  nav.links a.nl{padding:8px 0}
  .burger{display:block}
}
@media(max-width:560px){.feat-grid,.grid-3,.price-grid,.foot-grid,.stats-grid{grid-template-columns:1fr}}