:root{
  --bg-main:#0b0f14;
  --bg-panel:#0f172a;
  --bg-panel-2:#111827;
  --line:rgba(255,255,255,.08);

  --accent:#5eead4;
  --accent-2:#38bdf8;

  --text:#e5e7eb;
  --muted:#9ca3af;

  --radius:18px;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --shadow-soft: 0 10px 30px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} }

body{
  margin:0;
  font-family:"Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 20% 0%, rgba(56,189,248,.10), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(94,234,212,.10), transparent 55%),
    var(--bg-main);
  color:var(--text);
  line-height:1.5;
}

.container{width:min(1120px, calc(100% - 40px)); margin:0 auto}
a{color:inherit}

.skip{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:12px;top:12px;width:auto;height:auto;padding:10px 12px;background:var(--bg-panel-2);border:1px solid var(--line);border-radius:12px;z-index:9999}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(160%) blur(10px);
  background:rgba(11,15,20,.65);
  border-bottom:1px solid var(--line);
}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}

.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand__dot{
  width:10px;height:10px;border-radius:999px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  box-shadow:0 0 20px rgba(94,234,212,.35);
}
.brand__name{font-weight:650;letter-spacing:.2px}

.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.nav__link{
  text-decoration:none;color:var(--muted);
  padding:8px 10px;border-radius:12px;
  transition:transform .15s ease, background .15s ease, color .15s ease;
}
.nav__link:hover{color:var(--text);background:rgba(255,255,255,.06);transform:translateY(-1px)}

.topbar__cta{display:flex;align-items:center;gap:10px}
.chip{
  text-decoration:none;display:inline-flex;align-items:center;
  padding:8px 12px;border-radius:999px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line);
  font-size:14px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.chip:hover{transform:translateY(-1px);box-shadow:0 0 24px rgba(94,234,212,.12)}
.chip--ghost{background:transparent;color:var(--muted)}
.chip--ghost:hover{color:var(--text);background:rgba(255,255,255,.04)}

.burger{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;margin:4px auto;background:var(--text);opacity:.9}

.mobile{display:none;border-top:1px solid var(--line);background:rgba(11,15,20,.72)}
.mobile__inner{padding:14px 0;display:flex;flex-direction:column;gap:10px}
.mobile__link{text-decoration:none;padding:12px 12px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
.mobile.is-open{display:block}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 48px}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}

.bg-orb{position:absolute;width:520px;height:520px;border-radius:999px;filter:blur(40px);opacity:.18}
.bg-orb--a{left:-120px;top:-160px;background:radial-gradient(circle at 30% 30%,var(--accent),transparent 55%)}
.bg-orb--b{right:-160px;top:-120px;background:radial-gradient(circle at 40% 40%,var(--accent-2),transparent 55%)}

/* CSS “grain” přes SVG turbulence data URI */
.grain{
  position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}

.kicker{
  color:rgba(229,231,235,.92);
  display:inline-flex;border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  border-radius:999px;padding:8px 12px;width:fit-content;font-size:14px
}
.hero__title{margin:14px 0 10px;font-size:clamp(34px,4.5vw,56px);letter-spacing:-.6px;line-height:1.05}
.hero__lead{margin:0;color:var(--muted);font-size:18px;max-width:52ch}

.hero__actions{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 16px;border-radius:14px;
  border:1px solid rgba(94,234,212,.35);
  background:linear-gradient(90deg,rgba(94,234,212,.18),rgba(56,189,248,.12));
  color:var(--text);text-decoration:none;cursor:pointer;font-weight:650;
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, background .15s ease;
  box-shadow:0 0 0 rgba(94,234,212,0)
}
.btn:hover{transform:translateY(-1px);box-shadow:0 0 25px rgba(94,234,212,.28);border-color:rgba(94,234,212,.55)}
.btn--ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--muted)}
.btn--ghost:hover{color:var(--text);box-shadow:0 0 22px rgba(56,189,248,.18)}
.btn--sm{padding:10px 12px;border-radius:12px;font-size:14px}

.trust{display:flex;gap:14px;margin-top:18px;flex-wrap:wrap}
.trust__item{border:1px solid var(--line);background:rgba(255,255,255,.03);border-radius:16px;padding:10px 12px;min-width:140px}
.trust__num{font-weight:750}
.trust__label{display:block;color:var(--muted);font-size:13px;margin-top:2px}

.panel{
  border:1px solid rgba(255,255,255,.10);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.panel__head{display:flex;gap:8px;padding:14px 14px 10px;border-bottom:1px solid var(--line)}
.pill{font-size:12px;padding:7px 10px;border-radius:999px;background:rgba(94,234,212,.10);border:1px solid rgba(94,234,212,.25)}
.pill--muted{background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted)}
.panel__body{padding:14px;display:grid;gap:10px}
.mini-card{
  display:flex;align-items:center;gap:12px;padding:12px 12px;border-radius:16px;
  background:rgba(15,23,42,.55);border:1px solid rgba(255,255,255,.08);
  transition:transform .15s ease, border-color .15s ease;
}
.mini-card:hover{transform:translateY(-1px);border-color:rgba(94,234,212,.25)}
.mini-card__icon{
  width:34px;height:34px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:rgba(94,234,212,.95)
}
.mini-card__title{font-weight:700}
.mini-card__desc{color:var(--muted);font-size:13px;margin-top:2px}
.panel__foot{padding:12px 14px;border-top:1px solid var(--line)}
.link{text-decoration:none;color:rgba(94,234,212,.95)}
.link:hover{text-decoration:underline}

/* sections */
.section{padding:64px 0}
.section--alt{
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.00));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section__head{display:grid;gap:8px;margin-bottom:22px}
.section__title{margin:0;font-size:clamp(24px,3vw,34px);letter-spacing:-.3px}
.section__lead{margin:0;color:var(--muted);max-width:70ch}

.grid{display:grid;gap:14px}
.grid--3{grid-template-columns:repeat(3,1fr)}

.card{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:16px 16px 14px;
  box-shadow:var(--shadow-soft);
  transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(94,234,212,.22);box-shadow:0 20px 60px rgba(0,0,0,.40)}
.card__title{margin:10px 0 6px;font-size:18px}
.card__desc{margin:0;color:var(--muted)}
.card__link{display:inline-block;margin-top:12px;text-decoration:none;color:rgba(94,234,212,.95)}

.tag{
  display:inline-flex;font-size:12px;padding:6px 10px;border-radius:999px;
  border:1px solid rgba(94,234,212,.25);
  background:rgba(94,234,212,.10);
  color:rgba(229,231,235,.92);
  width:fit-content;
}
.tag--muted{border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted)}

.product__badge{
  display:inline-flex;font-size:12px;padding:6px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.03);
}
.product__row{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}
.product__price{font-weight:800}

/* pricing */
.price{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  border-radius:var(--radius);
  padding:18px 16px;
  box-shadow:var(--shadow-soft);
  display:flex;flex-direction:column;gap:10px;
}
.price__plan{margin:0;font-size:18px}
.price__value{font-size:18px;font-weight:850}
.price__note{margin:0;color:var(--muted);font-size:13px}
.price--highlight{
  border-color:rgba(94,234,212,.30);
  background:linear-gradient(180deg,rgba(94,234,212,.10),rgba(255,255,255,.03));
}

/* contact */
.section--contact{padding-bottom:76px}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
.contact__cards{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
.contact-card{
  text-decoration:none;border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  border-radius:18px;padding:14px;
  transition:transform .15s ease, border-color .15s ease;
}
.contact-card:hover{transform:translateY(-1px);border-color:rgba(94,234,212,.22)}
.contact-card__label{color:var(--muted);font-size:13px}
.contact-card__value{font-weight:800;margin-top:4px}

.form{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(15,23,42,.40);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:var(--shadow-soft);
  display:grid;gap:12px;
}
label span{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}
input, textarea{
  width:100%;padding:12px;border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(11,15,20,.55);
  color:var(--text);
  outline:none;
  transition:border-color .15s ease, box-shadow .15s ease;
}
input:focus, textarea:focus{
  border-color:rgba(94,234,212,.35);
  box-shadow:0 0 0 4px rgba(94,234,212,.08);
}
.consent{display:flex;gap:10px;align-items:flex-start}
.consent input{width:auto;margin-top:3px}
.fineprint{margin:0;color:rgba(156,163,175,.85);font-size:12px}

/* submit micro states */
.btn{position:relative}
.btn__spinner{
  width:16px;height:16px;border-radius:999px;
  border:2px solid rgba(229,231,235,.25);
  border-top-color:rgba(94,234,212,.9);
  display:none;
  animation:spin 1s linear infinite;
}
.btn__check{display:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* social (jednoduché textové) */
.social{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.social__a{
  padding:10px 12px;border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  text-decoration:none;
  transition:transform .15s ease, border-color .15s ease;
}
.social__a:hover{transform:translateY(-1px);border-color:rgba(56,189,248,.22)}

/* footer */
.footer{border-top:1px solid var(--line);padding:20px 0;background:rgba(255,255,255,.02)}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.muted{color:rgba(156,163,175,.90);font-size:13px}

/* modal */
.modal{position:fixed;inset:0;display:none;z-index:100}
.modal[aria-hidden="false"]{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.62);backdrop-filter:blur(6px)}
.modal__panel{
  position:relative;
  width:min(900px, calc(100% - 28px));
  margin:min(8vh, 60px) auto;
  border:1px solid rgba(255,255,255,.12);
  border-radius:20px;
  background:rgba(17,24,39,.85);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.modal__x{
  position:absolute;right:12px;top:10px;width:38px;height:38px;border-radius:14px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);
  color:var(--text);cursor:pointer;font-size:22px
}
.modal__content{padding:18px}
.modal__title{margin:0 0 6px;font-size:22px}
.modal__meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.modal__badge{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04)}
.modal__price{font-weight:900}
.modal__text{color:var(--muted);margin:0}

/* reveal */
.reveal{opacity:0;transform:translateY(10px);transition:opacity .55s ease, transform .55s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){ .reveal{opacity:1;transform:none;transition:none} }

/* responsive */
@media (max-width: 960px){
  .hero__inner{grid-template-columns:1fr}
  .contact{grid-template-columns:1fr}
  .contact__cards{grid-template-columns:1fr}
}
@media (max-width: 820px){
  .nav{display:none}
  .burger{display:inline-grid;place-items:center}
  .grid--3{grid-template-columns:1fr}
}