/* ==========================================================================
   MINDKODEX — dizajnový systém a landing
   Vanilla CSS, žiadne externé zdroje. Tmavý motív je predvolený.
   ========================================================================== */

/* --- Tokeny ------------------------------------------------------------- */

:root {
  --bg: #0a0a0d;
  --bg-2: #101015;
  --povrch: #14141b;
  --text: #f4f2ee;
  --text-tlm: #8f8c85;
  --akcent: #d4a24c;
  --akcent-tlm: #6b5327;
  --linka: rgba(255, 255, 255, 0.09);
  --linka-2: rgba(255, 255, 255, 0.16);

  --r-s: 8px;
  --r-m: 14px;
  --r-l: 22px;

  --sirka: 1120px;
  --medzera: clamp(1.25rem, 4vw, 2rem);

  --pismo: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

  --prechod: 180ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

/* Svetlý motív: buď podľa systému, alebo ručne cez data-motiv na <html>.
   Ručná voľba (data-motiv="tmavy") vždy prebije systém. */

@media (prefers-color-scheme: light) {
  :root:not([data-motiv="tmavy"]) {
    --bg: #faf8f4;
    --bg-2: #f2efe8;
    --povrch: #ffffff;
    --text: #14131a;
    --text-tlm: #5d5a53;
    --akcent: #a9762a;
    --akcent-tlm: #e4d3b2;
    --linka: rgba(0, 0, 0, 0.1);
    --linka-2: rgba(0, 0, 0, 0.18);
  }
}

:root[data-motiv="svetly"] {
  --bg: #faf8f4;
  --bg-2: #f2efe8;
  --povrch: #ffffff;
  --text: #14131a;
  --text-tlm: #5d5a53;
  --akcent: #a9762a;
  --akcent-tlm: #e4d3b2;
  --linka: rgba(0, 0, 0, 0.1);
  --linka-2: rgba(0, 0, 0, 0.18);
}

/* --- Základ ------------------------------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--pismo);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 680;
  letter-spacing: -0.03em;
  line-height: 1.05;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--akcent);
  outline-offset: 3px;
  border-radius: 4px;
}

.obal {
  width: 100%;
  max-width: var(--sirka);
  margin-inline: auto;
  padding-inline: var(--medzera);
}

.skryte {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Zásobník ikon — nikdy sa nevykresľuje, iba sa naň odkazuje cez <use>. */
.ikony { position: absolute; }

/* --- Navigácia ---------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--prechod);
}

.nav[data-posunute="ano"] { border-bottom-color: var(--linka); }

.nav__vnutro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 62px;
}

.znacka {
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
}

.znacka span { color: var(--akcent); }

.nav__akcie {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.jazyky-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.jazyky-nav a {
  padding: 0.42rem 0.48rem;
  border-radius: 999px;
  color: var(--text-tlm);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-decoration: none;
}

.jazyky-nav a:hover,
.jazyky-nav a[aria-current="page"] {
  background: var(--plocha);
  color: var(--text);
}

/* --- Tlačidlá ----------------------------------------------------------- */

.btn {
  --btn-bg: transparent;
  --btn-text: var(--text);
  --btn-linka: var(--linka-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.3rem;
  border: 1px solid var(--btn-linka);
  border-radius: 100px;
  background: var(--btn-bg);
  color: var(--btn-text);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--prechod), background var(--prechod),
    border-color var(--prechod), opacity var(--prechod);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn[aria-disabled="true"] { cursor: not-allowed; opacity: 0.62; pointer-events: none; }

.btn--hlavne {
  --btn-bg: var(--akcent);
  --btn-text: #17120a;
  --btn-linka: var(--akcent);
}

.btn--hlavne:hover { --btn-bg: color-mix(in srgb, var(--akcent) 88%, #fff); }

.btn--tiche {
  --btn-linka: transparent;
  color: var(--text-tlm);
  padding-inline: 0.85rem;
}

.btn--tiche:hover { color: var(--text); }

.btn--velke { padding: 0.95rem 1.9rem; font-size: 1.02rem; }

/* --- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  padding-block: clamp(3.5rem, 11vw, 7rem) clamp(2.5rem, 7vw, 4rem);
  text-align: center;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% 50% auto;
  translate: 50% 0;
  width: min(900px, 120vw);
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--akcent) 16%, transparent) 0%, transparent 62%);
  z-index: -1;
  pointer-events: none;
}

.stitok {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--linka);
  border-radius: 100px;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-tlm);
  margin-bottom: 1.6rem;
}

.stitok b { color: var(--text); font-weight: 600; }

.hero h1 {
  font-size: clamp(2.6rem, 8.5vw, 5.1rem);
  max-width: 15ch;
  margin-inline: auto;
}

.hero h1 em {
  font-style: normal;
  color: var(--akcent);
}

/* Staccato riadok pod nadpisom — krátke vety, vyššia váha než bežný text. */
.hero__uder {
  margin-top: 1.5rem;
  margin-inline: auto;
  max-width: 30ch;
  font-size: clamp(1.06rem, 2.6vw, 1.32rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.hero__pod {
  margin-top: 1rem;
  margin-inline: auto;
  max-width: 48ch;
  color: var(--text-tlm);
  font-size: clamp(0.98rem, 2.2vw, 1.08rem);
}

.hero__akcie {
  margin-top: 2.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  justify-content: center;
}

/* --- Prepínač dráh ------------------------------------------------------ */

.drahy {
  padding-block: clamp(1rem, 4vw, 2rem) clamp(3rem, 8vw, 5rem);
}

.drahy__uvod {
  text-align: center;
  font-size: clamp(1.5rem, 4.4vw, 2.2rem);
  margin-bottom: 1.8rem;
}

.prepinac {
  display: flex;
  gap: 0.4rem;
  padding: 0.4rem;
  border: 1px solid var(--linka);
  border-radius: 100px;
  background: var(--bg-2);
  width: fit-content;
  margin-inline: auto;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.prepinac::-webkit-scrollbar { display: none; }

.prepinac button {
  flex: 0 0 auto;
  padding: 0.6rem 1.15rem;
  border: 0;
  border-radius: 100px;
  background: transparent;
  color: var(--text-tlm);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--prechod), background var(--prechod);
}

.prepinac button:hover { color: var(--text); }

/* Vybraná dráha musí byť najvýraznejší prvok prepínača, inak pôsobí ako vypnutá. */
.prepinac button[aria-selected="true"] {
  background: color-mix(in srgb, var(--akcent) 18%, var(--povrch));
  color: var(--akcent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--akcent) 45%, transparent);
}

.panel {
  display: none;
  margin-top: 2.6rem;
  animation: nabehni 320ms var(--prechod) both;
}

:root[data-draha="biznis"] .panel[data-draha="biznis"],
:root[data-draha="muzsky"] .panel[data-draha="muzsky"],
:root[data-draha="zensky"] .panel[data-draha="zensky"] { display: block; }

@keyframes nabehni {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.panel__hlava {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.4rem 0.9rem;
  text-align: center;
}

.panel__hlava h3 { font-size: clamp(1.6rem, 4.6vw, 2.4rem); }

.panel__stav {
  margin-top: 0.75rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-tlm);
}

.panel__stav b { color: var(--akcent); font-weight: 700; }

.body {
  list-style: none;
  margin: 2rem auto 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  max-width: 620px;
}

.body li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--linka);
  border-radius: var(--r-m);
  background: var(--povrch);
  font-weight: 550;
}

.body svg {
  flex: 0 0 auto;
  width: 19px;
  height: 19px;
  color: var(--akcent);
}

/* --- Pás s číslami ------------------------------------------------------ */

.cisla {
  border-block: 1px solid var(--linka);
  background: var(--bg-2);
}

.clenovia {
  padding: clamp(1.8rem, 5vw, 2.6rem) 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.2rem 0.7rem;
  text-align: center;
}

.clenovia b {
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--akcent);
  font-variant-numeric: tabular-nums;
}

.clenovia span {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--text-tlm);
}

/* --- Čo je vnútri ------------------------------------------------------- */

.vnutri { padding-block: clamp(3.5rem, 9vw, 6rem); }

.mriezka {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 0.9rem;
}

.karta {
  padding: 1.6rem 1.4rem;
  border: 1px solid var(--linka);
  border-radius: var(--r-l);
  background: var(--povrch);
  transition: border-color var(--prechod), transform var(--prechod);
}

.karta:hover {
  border-color: var(--linka-2);
  transform: translateY(-2px);
}

.karta svg {
  width: 22px;
  height: 22px;
  color: var(--akcent);
  margin-bottom: 1rem;
}

.karta h3 { font-size: 1.06rem; letter-spacing: -0.01em; }

.karta p {
  margin-top: 0.35rem;
  color: var(--text-tlm);
  font-size: 0.93rem;
}

/* --- Cena --------------------------------------------------------------- */

.cena { padding-bottom: clamp(3.5rem, 9vw, 6rem); }

.cena__box {
  position: relative;
  padding: clamp(2.2rem, 6vw, 3.4rem) var(--medzera);
  border: 1px solid var(--linka-2);
  border-radius: var(--r-l);
  background: linear-gradient(180deg, var(--bg-2), var(--povrch));
  text-align: center;
  overflow: hidden;
}

.cena__box::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--akcent), transparent);
  opacity: 0.7;
}

.cena__box h2 { font-size: clamp(1.5rem, 4.4vw, 2.1rem); }

.suma {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.35rem;
  margin-block: 1.4rem 0.4rem;
}

.suma b {
  font-size: clamp(3rem, 10vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
}

.suma span { color: var(--text-tlm); font-size: 1rem; }

.cena__pozn { color: var(--text-tlm); font-size: 0.9rem; }
.cena__stav { max-width: 38rem; margin: 0.5rem auto 1rem; color: var(--text-tlm); font-size: 0.86rem; }

.cena .btn { margin-top: 1.9rem; }
.cena__stav + .btn { margin-top: 0.6rem; }

/* --- Otázky ------------------------------------------------------------- */

.otazky { padding-bottom: clamp(3.5rem, 9vw, 6rem); }

.otazky h2 {
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  margin-bottom: 1.6rem;
  text-align: center;
}

.otazky details {
  border-bottom: 1px solid var(--linka);
}

.otazky summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 0;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.otazky summary::-webkit-details-marker { display: none; }

.otazky summary::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--text-tlm);
  border-bottom: 2px solid var(--text-tlm);
  rotate: 45deg;
  transition: rotate var(--prechod);
}

.otazky details[open] summary::after { rotate: -135deg; }

.otazky p {
  padding-bottom: 1.15rem;
  color: var(--text-tlm);
  max-width: 62ch;
}

/* --- Pätička ------------------------------------------------------------ */

.pata {
  border-top: 1px solid var(--linka);
  padding-block: 2.2rem;
  font-size: 0.86rem;
  color: var(--text-tlm);
}

.pata__vnutro {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.pata nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
}

.pata a:hover { color: var(--text); }

/* --- Lepivá lišta na mobile --------------------------------------------- */

.lista {
  position: fixed;
  inset: auto 0 0;
  z-index: 60;
  padding: 0.7rem var(--medzera) calc(0.7rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--linka);
  display: none;
  gap: 0.8rem;
  align-items: center;
  justify-content: space-between;
  translate: 0 110%;
  transition: translate var(--prechod);
}

.lista[data-vidno="ano"] { translate: 0; }

.lista .btn { flex: 1 1 auto; }

.lista__cena { font-size: 0.9rem; font-weight: 600; white-space: nowrap; }

@media (max-width: 720px) {
  .lista { display: flex; }
  body { padding-bottom: 76px; }
  .nav__akcie .btn--hlavne { display: none; }
}

/* --- Pohyb -------------------------------------------------------------- */

.odhal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms var(--prechod), transform 520ms var(--prechod);
}

.odhal[data-vidno="ano"] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .odhal { opacity: 1; transform: none; }
}
