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

html,
body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  overflow-x: hidden;
  overflow-y: auto;
}

.bkgd {
  position: relative;
  height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: background-image 0.5s ease-in-out;
}

.bkgd::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(28, 26, 26, 0.9);
  z-index: 1;
}

.content {
  position: relative;
  text-align: center;
  max-height: 100vh;
  overflow-y: auto;
  padding: 1rem;
  z-index: 2;
}

.main-logo {
  max-width: 600px;
  min-width: 400px;
  width: 50%;
  height: auto;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
  opacity: 90%;
  user-select: none;
}

.sub-title {
  color: white;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  user-select: none;
}

.sponsors {
  margin-top: 20%;
  padding: 3rem 1rem 4rem;
}

.logos-row {
  padding: 2rem 5rem 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}

.logos-row img {
  height: 45px;
  width: auto;
  filter: brightness(0.95) contrast(1.05);
  transition: transform 0.25s ease, filter 0.25s ease;
  user-select: none;
}

.logos-row a:hover img {
  filter: brightness(0.5);
}

.social img {
  height: 30px;
}

.footer {
  color: #b0b0b0;
  padding: 1.5rem 0;
  font-size: 0.9rem;
  text-align: center;
  position: relative;
  z-index: 2;
  user-select: none;
}

.footer-legal {
  color: grey;
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
  user-select: none;
}