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

body {
  background: black;
  font-family: "Helvetica Neue", Arial, sans-serif;
  overflow-x: hidden;
}


#bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: black;
}

#bg img,
#bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;

  animation: zoom 25s ease-in-out infinite alternate;
}

@keyframes zoom {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 1;

  background:
    radial-gradient(circle at center, rgba(0,0,0,0.15), rgba(0,0,0,0.75)),
    linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.85));

  backdrop-filter: brightness(1.1) contrast(1.05);
}


.overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("https://grainy-gradients.vercel.app/noise.svg");
  opacity: 0.05;
  pointer-events: none;
}


.title {
  position: fixed;
  top: 16%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;

  font-size: 120px;
  font-weight: 900;
  letter-spacing: 22px;
  text-transform: uppercase;

  color: white;

  text-shadow:
    0 20px 60px rgba(0,0,0,0.9),
    0 0 60px rgba(255,255,255,0.08);

  opacity: 0;
  animation: fadeIn 2s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, -60%); }
  to { opacity: 1; transform: translate(-50%, -50%); }
}

.ads {
  position: relative;
  z-index: 2;

  margin-top: 45vh;

  padding: 60px 40px;

  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ad {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 20px;
  color: white;
  transition: 0.3s ease;
}

.ad:hover {
  transform: translateY(-6px);
}

.ad h3 {
  font-weight: 400;
  margin-bottom: 8px;
}

.ad p {
  font-size: 14px;
  opacity: 0.7;
}

.ad a {
  display: inline-block;
  margin-top: 10px;
  color: white;
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.3);
}


@media (max-width: 900px) {
  .title {
    font-size: 48px;
    letter-spacing: 10px;
  }

  .ads {
    grid-template-columns: 1fr;
    margin-top: 55vh;
  }
}