:root {
  --logo-width: 60%;
  --about-width: 10%;
  --character-size: 320px;
  --character-left: 40px;
  --character-top: 55%;
  --text-max-width: 80%;
  --text-font-size: 26px;
  --outline: 3px black;
  --button-size: 170px;
  --button-gap: 20px;
  --buttons-right: 40px;
  --buttons-bottom: 40px;
  --float-speed: 4s;
}

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

body {
  font-family: "Arial Black", sans-serif;
  overflow: hidden;
}

.bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.logo {
  position: absolute;
  top: 5%;
  left: 50%;
  width: var(--logo-width);
  transform: translateX(-50%);
  animation: fade-in 1s ease forwards;
}

.about-img {
  position: absolute;
  top: 37%;
  left: 50%;
  width: var(--about-width);
  transform: translateX(-50%);
  animation: fade-in 1.2s ease forwards;
}

.about-text {
  position: absolute;
  top: 45%;
  left: 50%;
  width: var(--text-max-width);
  transform: translateX(-50%);
  font-size: var(--text-font-size);
  font-weight: 900;
  text-align: center;
  color: #ffffff;
  line-height: 1.3;
  text-shadow:
    -3px -3px 0 #000,
     3px -3px 0 #000,
    -3px  3px 0 #000,
     3px  3px 0 #000,
     0px -3px 0 #000,
     0px  3px 0 #000,
    -3px  0px 0 #000,
     3px  0px 0 #000;
}

.character {
  position: absolute;
  width: var(--character-size);
  left: var(--character-left);
  top: var(--character-top);
  animation: float var(--float-speed) ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

.buttons {
  position: absolute;
  right: var(--buttons-right);
  bottom: var(--buttons-bottom);
  display: flex;
  flex-direction: column;
  gap: var(--button-gap);
}

.btn {
  width: var(--button-size);
  transition: 0.25s ease;
  cursor: pointer;
}

.btn:hover {
  transform: scale(1.12) rotate(3deg);
  filter: brightness(1.2);
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(20px) translateX(-50%); }
  to   { opacity: 1; transform: translateY(0) translateX(-50%); }
}

@media (max-width: 768px) {
  :root {
    --logo-width: 85%;
    --about-width: 60%;
    --text-font-size: 18px;
    --character-size: 200px;
    --character-left: 10px;
    --buttons-right: 10px;
    --button-size: 120px;
  }

  .about-text {
    top: 45%;
  }
}