/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* BODY */
body {
  font-family: Arial, Helvetica, sans-serif;
  background: #000;
  color: #fff;
  min-height: 100vh;
  overflow-x: hidden;
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 24px;
  letter-spacing: 1px;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin-left: 20px;
  opacity: 0.8;
}

nav a:hover {
  opacity: 1;
}

/* MAIN */
main {
  position: relative;
  padding: 80px 20px 200px;
  z-index: 10;
}

main h2 {
  margin-bottom: 40px;
  font-size: 32px;
}

/* PRODUCTS */
#products {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  position: relative;
  z-index: 20; /* NAD LOGOM */
}

/* PRODUCT CARD (ak už existujú v JS) */
.product {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(6px);
}

/* WATERMARK LOGO */
.hero-watermark {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 160px;
  font-weight: 700;
  letter-spacing: 6px;
  color: rgba(255, 255, 255, 0.06);
  pointer-events: none;
  user-select: none;
  z-index: 5; /* NAD GRADIENTOM, POD PRODUKTMI */
  white-space: nowrap;
}

/* FADE / GRADIENT */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(255,255,255,0.05) 0%,
    rgba(0,0,0,0.85) 60%,
    #000 100%
  );
  z-index: 1;
  pointer-events: none;
}

/* FOOTER */
footer {
  padding: 40px;
  text-align: center;
  opacity: 0.4;
  font-size: 14px;
}