:root {
  --logo-width: 35%;
  --about-font-size: 70px;
  --text-font-size: 29px;
  --character-size: 320px;
  --button-size: 70px;

  --logo-top: 5%;
  --logo-left: 33%;

  --about-top: 28%;
  --about-left: 45.7%;

  --text-top: 43%;
  --text-left: 36%;

  --character-top: auto;
  --character-bottom: 5%;
  --character-left: auto;
  --character-right: 4%;

  --buttons-top: auto;
  --buttons-bottom: 20px;
  --buttons-left: 20px;

  --float-speed: 4s;
}

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

body {
  overflow: hidden;
  background: #77d4fa;
  font-family: "Inter", sans-serif;
}

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

.logo {
  position: absolute;
  top: var(--logo-top);
  left: var(--logo-left);
  transform: translate(-50%, 0);
  width: var(--logo-width);
}

.about-title {
  position: absolute;
  top: var(--about-top);
  left: var(--about-left);
  transform: translate(-50%, 0);
  font-family: "Knewave", cursive;
  font-size: var(--about-font-size);
  color: white;
  text-shadow: 0px 4px 6px rgba(0,0,0,0.25);
  white-space: nowrap;
}

.about-text {
  position: absolute;
  top: var(--text-top);
  left: var(--text-left);
  transform: translate(-50%, 0);
  text-align: center;
  font-family: "Kreon", serif;
  font-size: var(--text-font-size);
  color: white;
  line-height: 1.5;
  max-width: 900px;
  padding: 0 20px;
}

.character {
  position: absolute;
  width: var(--character-size);
  top: var(--character-top);
  bottom: var(--character-bottom);
  left: var(--character-left);
  right: var(--character-right);
}

.buttons {
  position: absolute;
  top: var(--buttons-top);
  bottom: var(--buttons-bottom);
  left: var(--buttons-left);
  display: flex;
  gap: 15px;
}

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

.btn:hover img {
  transform: scale(1.15) rotate(-5deg);
}

.floating {
  animation: float var(--float-speed) ease-in-out infinite alternate;
}

@keyframes float {
  0% { transform: translateY(0); }
  100% { transform: translateY(-12px); }
}

.fade-in { 
  opacity: 0; 
  animation: fadeIn .8s ease forwards; 
}

.fade-in-delayed { 
  opacity: 0; 
  animation: fadeIn 1.3s ease forwards; 
}

.fade-in-slow { 
  opacity: 0; 
  animation: fadeIn 1.8s ease forwards; 
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  :root {
    --logo-width: 80%;
    --about-font-size: 50px;
    --text-font-size: 20px;
    --character-size: 210px;
    --button-size: 55px;
  }
}

@media (max-width: 480px) {
  :root {
    --about-font-size: 42px;
    --text-font-size: 16px;
    --character-size: 160px;
    --button-size: 45px;
  }
}