/* CSS Document */

:root{
  --dark:#0b0f16;
  --dark2:#111827;
  --line: rgba(255,255,255,.14);
  --txt:#0e1320;
  --muted:#5a6478;
  --paper:#ffffff;
  --paper2:#f5f7fb;

  --brand:#ff2d2d;
  --brand2:#ffb300;

  --ok:#18b56a;
  --warn:#f2b600;

  --radius:18px;
  --shadow: 0 18px 45px rgba(0,0,0,.18);

  --max: 1120px;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:var(--sans);
  color:#121826;
  background: var(--paper2);
  overflow-x:hidden;
}

.wrap{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }

/* ===== TOPBAR ===== */
.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: rgba(11,15,22,.72);
  border-bottom:1px solid rgba(255,255,255,.10);
  color:#fff;
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:18px; padding:14px 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px; /* výška headeru */
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; color:#fff; }
.brand__mark{
  width:38px; height:38px; display:grid; place-items:center;
  border-radius:14px;
  background: linear-gradient(135deg, rgba(255,45,45,.95), rgba(255,179,0,.92));
  box-shadow: 0 18px 45px rgba(255,45,45,.18);
}
.brand__text strong{ display:block; letter-spacing:.2px; }
.brand__text small{ display:block; opacity:.8; font-size:12px; margin-top:1px; }

.nav{ display:flex; gap:16px; align-items:center; }
.nav a{
  color: rgba(255,255,255,.82);
  text-decoration:none;
  padding:10px 10px;
  border-radius:12px;
  transition: background .15s ease, transform .15s ease;
}
.nav a:hover{ background: rgba(255,255,255,.08); transform: translateY(-1px); }

.actions{ display:flex; gap:10px; align-items:center; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  text-decoration:none;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.16);
  padding:10px 14px;
  cursor:pointer;
  transition: transform .15s ease, background .15s ease, border .15s ease, box-shadow .15s ease;
  font-weight:700;
}
.btn:hover{ transform: translateY(-1px); }

.btn--ghost{
  background: rgba(255,255,255,.06);
  color:#fff;
}
.btn--ghost:hover{ background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.22); }
.formMessage{
margin-top:15px;
padding:14px 18px;
border-radius:8px;
font-weight:600;
display:none;
}

.formMessage.success{
background:#0f5132;
color:#d1e7dd;
border:1px solid #198754;
}

.formMessage.error{
background:#842029;
color:#f8d7da;
border:1px solid #dc3545;
}
#toast{
position:fixed;
bottom:30px;
right:30px;
background:#111;
color:#fff;
padding:16px 22px;
border-radius:8px;
font-weight:600;
box-shadow:0 10px 25px rgba(0,0,0,0.4);
opacity:0;
transform:translateY(20px);
transition:all .4s ease;
z-index:9999;
}

#toast.show{
opacity:1;
transform:translateY(0);
}

#toast.success{
background:#198754;
}

#toast.error{
background:#dc3545;
}
.btn--primary{
  background: linear-gradient(135deg, rgba(255,45,45,.98), rgba(255,179,0,.92));
  color:#1b0d0d;
  border-color: rgba(255,255,255,.20);
  box-shadow: 0 18px 45px rgba(255,45,45,.20);
}
.btn--primary:hover{ box-shadow: 0 22px 55px rgba(255,45,45,.28); }

.btn--big{ padding:14px 18px; border-radius:16px; }

.burger{
  display:none;
  width:42px; height:42px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  cursor:pointer;
}
.burger span{
  display:block; height:2px; width:18px;
  background: rgba(255,255,255,.9);
  margin:4px auto; border-radius:2px;
}

.mnav{
  border-top:1px solid rgba(255,255,255,.10);
  padding:10px 0 16px 0;
}
.mnav a{
  display:block; padding:12px 18px;
  text-decoration:none; color: rgba(255,255,255,.85);
}
.mnav a:hover{ background: rgba(255,255,255,.08); }
.mnav__actions{ display:flex; gap:10px; padding:12px 18px 0 18px; }

/* ===== HERO (dark) ===== */
.hero{
  background: radial-gradient(1200px 700px at 18% 20%, rgba(255,45,45,.18), transparent 55%),
              radial-gradient(1000px 700px at 85% 30%, rgba(255,179,0,.14), transparent 55%),
              linear-gradient(180deg, #070a11, #0b0f16);
  color:#fff;
  padding:56px 0 34px;
  position:relative;
  overflow:hidden;
}
.hero__shine{
  position:absolute; inset:auto -30% -60% -30%;
  height:520px;
  background: radial-gradient(closest-side, rgba(255,45,45,.14), transparent 70%);
  filter: blur(10px);
}

.hero__grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap:22px;
  align-items:start;
}

.kicker{
  display:inline-flex; gap:10px; align-items:center;
  padding:9px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  color: rgba(255,255,255,.82);
  font-size: 13px;
}
.kicker .dot{
  width:9px; height:9px; border-radius:99px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 0 0 6px rgba(255,45,45,.12);
}
.kicker .sep{ opacity:.55; }

.hero h1{ margin:18px 0 0; line-height:1.05; }
.motto{ display:block; font-size: clamp(28px, 3.6vw, 44px); letter-spacing:-.6px; }
.headline{ display:block; margin-top:10px; font-size: clamp(22px, 2.6vw, 34px); color: rgba(255,255,255,.9); }
.glow{
  background: linear-gradient(90deg, #fff, rgba(255,179,0,.95), rgba(255,45,45,.95));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  text-shadow: 0 0 40px rgba(255,45,45,.20);
}

.lead{
  margin:16px 0 0;
  font-size: 16.5px;
  line-height: 1.65;
  color: rgba(255,255,255,.80);
  max-width: 60ch;
}

.hero__cta{ display:flex; gap:12px; margin-top:18px; flex-wrap:wrap; }

.proof{ margin-top:18px; display:flex; gap:12px; flex-wrap:wrap; }
.proof__card{
  display:flex; gap:12px; align-items:center;
  padding:12px 14px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
}
.proof__num{
  width:36px; height:36px; border-radius: 14px;
  display:grid; place-items:center;
  background: rgba(0,0,0,.25);
  border:1px solid rgba(255,255,255,.14);
}
.proof__txt strong{ display:block; }
.proof__txt small{ display:block; opacity:.8; margin-top:2px; }

/* ===== WINDOW (used in hero + showcase) ===== */
.hero__window{ display:flex; flex-direction:column; gap:10px; }
.window{
  border-radius: 22px;
  border:1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  box-shadow: 0 18px 50px rgba(0,0,0,.45);
  overflow:hidden;
}
.window__bar{
  display:flex; align-items:center; gap:12px;
  padding:14px 16px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.lights{ display:flex; gap:6px; }
.l{
  width:10px; height:10px; border-radius:99px;
  background: rgba(255,255,255,.20);
  border:1px solid rgba(0,0,0,.25);
}
.l--red{ background: rgba(255,65,65,.9); }
.l--amber{ background: rgba(255,179,0,.9); }
.l--green{ background: rgba(50,225,110,.9); }

.window__title{ font-weight:800; color: rgba(255,255,255,.92); letter-spacing:.2px; }
.badge{
  margin-left:auto;
  padding:6px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.22);
  font-size: 12px;
  color: rgba(255,255,255,.80);
}
.badge--muted{ color: rgba(255,255,255,.75); }

.window__body{ padding:16px; color:#fff; }

/* hero demo content */
.kpis{ display:flex; gap:10px; }
.kpi{
  flex:1;
  padding:12px 12px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
}
.kpi__label{ font-size:12px; opacity:.75; }
.kpi__value{ font-size:18px; font-weight:900; margin-top:2px; }
.rows{ margin-top:12px; display:grid; gap:8px; }
.row{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 12px;
  border-radius: 16px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}
.row.ok{ border-color: rgba(24,181,106,.35); background: rgba(24,181,106,.10); }
.row.warn{ border-color: rgba(242,182,0,.35); background: rgba(242,182,0,.10); }
.mini{ margin-top:10px; font-size: 12.5px; opacity:.78; line-height:1.5; }
.mini--muted{ color: var(--muted); opacity:1; }

/* ===== LIGHT SECTIONS (C varianta) ===== */
.section{ padding:56px 0; }
.section--light{
  background: linear-gradient(180deg, var(--paper), var(--paper2));
  color: var(--txt);
}
.section__head h2{ margin:0; font-size: 30px; letter-spacing:-.4px; }
.sub{ margin:10px 0 0; color: var(--muted); line-height:1.6; max-width: 80ch; }

/* showcase window on light bg -> use dark bar text */
.section--light .window{
  border-color: rgba(10,20,35,.12);
  background: #fff;
  box-shadow: var(--shadow);
}
.section--light .window__bar{
  border-bottom: 1px solid rgba(10,20,35,.10);
  background: linear-gradient(180deg, #ffffff, #f7f9fd);
}
.section--light .window__title{ color:#1c2433; }
.section--light .badge{ color: rgba(20,26,38,.75); border-color: rgba(10,20,35,.12); background: rgba(10,20,35,.04); }
.section--light .window__body{ color: var(--txt); }

/* Slider */
.showcase{ margin-top:16px; }
.showcase__tabs{ display:flex; gap:10px; flex-wrap:wrap; margin:16px 0 12px; }
.tab{
  border:1px solid rgba(10,20,35,.12);
  background:#fff;
  border-radius:999px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:800;
  color:#1c2433;
}
.tab.is-active{
  border-color: rgba(255,45,45,.28);
  box-shadow: 0 10px 30px rgba(255,45,45,.12);
}
.window--big .window__body{ padding:14px; }

.slides{
  position:relative;
  width:100%;
  height: 520px;
  border-radius: 18px;
  background: #0b0f16;
  border:1px solid rgba(10,20,35,.10);
  overflow:hidden;
}
.slide{
  position:absolute; inset:0;
  display:none;
  align-items:center; justify-content:center;
}
.slide.is-active{ display:flex; }

.slide img{
  width:100%;
  height:100%;
  object-fit: contain;
  display:block;
  background: #0b0f16;
}

.cap{
  position:absolute; left:14px; right:14px; bottom:14px;
  padding:12px 12px;
  border-radius: 16px;
  background: rgba(0,0,0,.55);
  color:#fff;
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
}
.cap strong{ display:block; }
.cap span{ display:block; opacity:.85; margin-top:2px; font-size: 12.5px; }

.showcase__controls{
  display:flex; align-items:center; justify-content:center;
  gap:12px;
  margin-top:12px;
}
.dots{ display:flex; gap:8px; justify-content:center; align-items:center; }
.dots button{
  width:10px; height:10px; border-radius:99px;
  border:1px solid rgba(10,20,35,.20);
  background: rgba(10,20,35,.10);
  cursor:pointer;
}
.dots button.is-active{
  background: linear-gradient(135deg, rgba(255,45,45,.95), rgba(255,179,0,.92));
  border-color: rgba(255,45,45,.35);
}

/* light cards */
.lightCards{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.lCard{
  padding:18px 16px;
  border-radius: 18px;
  border:1px solid rgba(10,20,35,.10);
  background:#fff;
  box-shadow: 0 12px 30px rgba(10,20,35,.06);
}
.lCard__ic{
  width:44px; height:44px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(255,45,45,.10);
  border:1px solid rgba(255,45,45,.16);
  margin-bottom:10px;
  font-size: 20px;
}
.lCard h3{ margin:0; }
.lCard p{ margin:8px 0 0; color: var(--muted); line-height:1.55; }

/* Why cards */
.cards{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.card{
  padding:18px 16px;
  border-radius: 18px;
  border:1px solid rgba(10,20,35,.10);
  background:#fff;
  box-shadow: 0 12px 30px rgba(10,20,35,.06);
}
.card__icon{
  width:44px; height:44px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(10,20,35,.06);
  border:1px solid rgba(10,20,35,.10);
  margin-bottom:10px;
  font-size: 20px;
}
.card h3{ margin:0; }
.card p{ margin:8px 0 0; color: var(--muted); line-height:1.55; }

.banner{
  margin-top:18px;
  padding:18px 18px;
  border-radius: 18px;
  border:1px solid rgba(255,45,45,.18);
  background: linear-gradient(135deg, rgba(255,45,45,.10), rgba(255,179,0,.08), rgba(10,20,35,.02));
  display:flex;
  gap:16px;
  align-items:center;
  justify-content:space-between;
}
.banner h3{ margin:0; }
.banner p{ margin:6px 0 0; color: var(--muted); }

/* Pricing */
.pricing{
  margin-top:18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:14px;
}
.price{
  padding:18px 16px;
  border-radius: 18px;
  border:1px solid rgba(10,20,35,.10);
  background:#fff;
  box-shadow: 0 12px 30px rgba(10,20,35,.06);
}
.price--hot{
  border-color: rgba(255,45,45,.22);
  box-shadow: 0 18px 45px rgba(255,45,45,.12);
}
.price__head{ display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.tag{
  font-size: 12px;
  padding:6px 10px;
  border-radius: 999px;
  border:1px solid rgba(10,20,35,.10);
  background: rgba(10,20,35,.04);
  color: rgba(20,26,38,.70);
}
.tag--hot{
  border-color: rgba(255,45,45,.22);
  background: rgba(255,45,45,.08);
  color: rgba(110,10,10,.85);
}
.price__big{ font-size: 28px; font-weight: 950; letter-spacing:-.4px; margin-top:10px; }
.price__small{ color: var(--muted); font-size: 13px; margin-top:2px; }
.price ul{ margin:12px 0 0; padding-left: 18px; color: var(--muted); line-height:1.6; }
.price li{ margin:8px 0; }
.note{ margin-top:14px; color: var(--muted); font-size: 12.5px; }

/* Contact */
.section--contact{ background: linear-gradient(180deg, var(--paper), var(--paper2)); }
.contact{
  margin-top:14px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
  align-items: start;
}
.contact__cards{ display:grid; gap:10px; }
.cCard{
  display:flex; gap:12px; align-items:center;
  padding:12px 12px;
  border-radius: 16px;
  border:1px solid rgba(10,20,35,.10);
  background:#fff;
  box-shadow: 0 10px 24px rgba(10,20,35,.06);
}
.cCard__ic{
  width:40px; height:40px;
  border-radius: 16px;
  display:grid; place-items:center;
  background: rgba(255,45,45,.10);
  border:1px solid rgba(255,45,45,.16);
}
.cCard__k{ font-size: 12px; color: var(--muted); }
.cCard__v{ font-weight: 900; letter-spacing:.2px; color:#1c2433; }

.form{
  padding:18px 16px;
  border-radius: 18px;
  border:1px solid rgba(10,20,35,.10);
  background:#fff;
  box-shadow: 0 12px 30px rgba(10,20,35,.06);
}
.form__row{ display:flex; flex-direction:column; gap:8px; margin-bottom:12px; }
.form label{ color: var(--muted); font-size: 12.5px; }
.form input, .form textarea{
  width:100%;
  border-radius: 14px;
  border:1px solid rgba(10,20,35,.12);
  background: #fff;
  color:#1c2433;
  padding:12px 12px;
  outline:none;
}
.form input:focus, .form textarea:focus{
  border-color: rgba(255,45,45,.35);
  box-shadow: 0 0 0 6px rgba(255,45,45,.10);
}
/* ===== Efektivita Section ===== */

.grid-features{
  margin-top:24px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:20px;
}

.feature{
  padding:22px 20px;
  border-radius:18px;
  background:#ffffff;
  border:1px solid rgba(10,20,35,.08);
  box-shadow: 0 12px 30px rgba(10,20,35,.06);
  transition: transform .2s ease, box-shadow .2s ease;
}

.feature:hover{
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(10,20,35,.12);
}

.feature__icon{
  width:48px;
  height:48px;
  border-radius:16px;
  display:grid;
  place-items:center;
  font-size:22px;
  background: rgba(255,45,45,.10);
  border:1px solid rgba(255,45,45,.18);
  margin-bottom:14px;
}

.feature h3{
  margin:0;
  font-size:18px;
}

.feature p{
  margin:10px 0 0;
  color:#5a6478;
  line-height:1.6;
}

.section-cta{
  margin-top:36px;
  padding:28px;
  border-radius:20px;
  background: linear-gradient(135deg, rgba(255,45,45,.08), rgba(255,179,0,.06));
  border:1px solid rgba(255,45,45,.18);
  text-align:center;
}

.section-cta p{
  margin:0 0 16px;
  font-size:17px;
  font-weight:600;
  color:#1c2433;
}

/* Responsive */
@media (max-width: 980px){
  .grid-features{
    grid-template-columns: 1fr;
  }
}
.footer{
  padding:18px 0 30px;
}
.footer__inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:10px; flex-wrap:wrap;
  color: rgba(20,26,38,.70);
}

.footer__right a{ color: rgba(20,26,38,.70); text-decoration:none; padding:8px 10px; border-radius:12px; }
.footer__right a:hover{ background: rgba(10,20,35,.06); color:#1c2433; }
.footer .sep{ opacity:.35; margin:0 6px; }

/* Responsive */
@media (max-width: 980px){
  .hero__grid{ grid-template-columns: 1fr; }
  .nav{ display:none; }
  .burger{ display:block; }
  .actions a{ display:none; }
  .actions .burger{ display:block; }
  .contact{ grid-template-columns: 1fr; }
  .pricing{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .lightCards{ grid-template-columns: 1fr; }
  .slides{ height: 360px; }
}