/* HERO: KlimaComfort ------------------------------------------------------ */
:root {
  --kc-max-h: 540px;
  --kc-min-h: 360px;
  --kc-radius: 20px;
  --kc-gap: 16px;

  --kc-white: #ffffff;
  --kc-black: #0a0a0a;
  --kc-text: rgba(255,255,255,0.92);
  --kc-text-dim: rgba(255,255,255,0.75);
  --kc-overlay: rgba(0,0,0,0.35);
  --kc-overlay-grad: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.45) 80%);

  /* brand-ish button color (světlá, “Apple clean”) */
  --kc-brand: #78c7e6;
  --kc-brand-hover: #6bb9d7;
  --kc-ring: rgba(120, 199, 230, 0.45);
  --kc-border: rgba(255,255,255,0.22);
}

.kc-hero {
  position: relative;
  width: 100%;
  min-height: var(--kc-min-h);
  height: clamp(var(--kc-min-h), 45vw, var(--kc-max-h));
  max-height: var(--kc-max-h);
  overflow: hidden;

  /* background image is set inline by JS (data-bg) or can be set here: */
  background-color: #1a1a1a;      /* fallback */
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;

  /* make full-bleed inside Shoptet containers */
  display: block;
}

.kc-hero__overlay {
  position: absolute; inset: 0;
  background: var(--kc-overlay-grad), var(--kc-overlay);
  pointer-events: none;
}

.kc-hero__content {
  position: relative;
  z-index: 1;
  height: 100%;
  max-width: min(1200px, 92vw);
  margin: 0 auto;
  padding: clamp(20px, 4vw, 40px);
  color: var(--kc-text);

  display: grid;
  align-content: center;
  justify-items: center;
  text-align: center;
  gap: clamp(10px, 2.2vw, 18px);
}

.kc-hero__eyebrow {
  margin: 0;
  font: 500 clamp(12px, 1.6vw, 16px)/1.2 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kc-text-dim);
}

.kc-hero__title {
  margin: 0;
  font: 700 clamp(28px, 6vw, 56px)/1.08 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  color: var(--kc-white);
  text-wrap: balance;
}

.kc-hero__highlight {
  display: inline-block;
  backdrop-filter: saturate(130%) blur(0.5px);
  padding: 0 0.04em;
}

.kc-hero__ctas {
  display: flex;
  gap: clamp(10px, 2vw, 16px);
  flex-wrap: wrap;
  justify-content: center;
}

/* Buttons */
.kc-btn {
  --_pad-y: 12px;
  --_pad-x: 18px;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;

  padding: var(--_pad-y) clamp(18px, 3.2vw, 26px);
  border-radius: 999px;
  border: 1px solid var(--kc-border);
  text-decoration: none;
  font: 600 clamp(14px, 1.8vw, 16px)/1 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
  will-change: transform;
  color: var(--kc-white);
}

.kc-btn:focus {
  outline: none;
  box-shadow: 0 0 0 6px var(--kc-ring);
}

.kc-btn:hover { transform: translateY(-1px); }

.kc-btn--primary {
  background: var(--kc-brand);
  border-color: transparent;
  color: #0b212a;
}

.kc-btn--primary:hover { background: var(--kc-brand-hover); }

.kc-btn--ghost {
  background: rgba(255,255,255,0.06);
  color: var(--kc-white);
}

.kc-btn--ghost:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.32);
}

/* Mobile tweaks */
@media (max-width: 560px) {
  .kc-hero { border-radius: 0; }
  .kc-hero__title { line-height: 1.05; }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  .kc-btn { transition: none; }
}