css
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: clamp(14px, 4vw, 18px);
  font-family: 'Oswald', sans-serif;
  color: #111;
  margin: 0;
  padding: 0;
}
*,
*::before,
*::after {
  font-family: 'Oswald', sans-serif;
}
body {
  background-color: #f9f9f9;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  cursor: url('/assets/images/cursor.cur'), auto;
}
a:hover,
button:hover,
input:hover,
textarea:hover,
select:hover,
label:hover {
  cursor: url('/assets/images/cursor.cur'), auto;
}
a {
  text-decoration: none;
  color: inherit;
}
ul {
  list-style: none;
}
:root {
  --color-white: #ffffff;
  --color-mint-pink: #FFDEE9;
  --color-mint-pink-dark: #B5FFFC;
  --color-mint-pink-bright: #FF80B5;
  --color-black: #111111;
  --color-gray: #666666;
  --color-light-gray: #f2f2f5;
  --background-opaque: rgba(255, 255, 255, 0.6);
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}
section {
  background: white;
  display: flex;
  flex-direction: column;
  margin: 0 auto 2vh;
  align-items: center;
  transform: translateY(50px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}
.section__hero {
  transform: translateY(0px);
}
section.is-visible {
  opacity: 1;
  transform: translateY(0);
}
#typeTarget {
  display: inline;
  border-right: 2px solid #fff;
  font-weight: bold;
  animation: blink 0.75s step-end infinite;
}

@keyframes blink {
  50% { border-color: transparent; }
}
#butterfly-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
  pointer-events: none;
  transform: translate(-50%, -50%);
  will-change: transform;
}

#butterfly {
  width: 100%;
  height: 100%;
  transition: transform 0.1s linear;
}

@keyframes flap {
  0%, 100% { transform: scaleY(1); }
  50%      { transform: scaleY(0.8); }
}

#butterfly.flapping {
  animation: flap 0.4s infinite;
}
@media (max-width: 1024px) {
  .hero {
    align-items: center;
    text-align: center;
    padding: 0 1.5rem;
  }
  .hero__title {
    font-size: 3.5rem;
  }
  .hero__subtitle {
    font-size: 1.3rem;
    max-width: 80%;
    margin-bottom: 1.5rem;
  }
}
@media (max-width: 768px) {
  section {
    margin-bottom: 4vh;
    transform: translateY(30px);
  }
  .hero__title {
    font-size: clamp(2rem, 6vw, 3rem);
  }
  .hero__subtitle {
    font-size: clamp(1rem, 4vw, 1.5rem);
    max-width: 90%;
  }
  .hero__btn {
    padding: 1rem 1.5rem;
    font-size: clamp(1rem, 3vw, 1.25rem);
  }
  #butterfly-container {
    display: none;
  }
}
@media (max-width: 480px) {
  body {
    line-height: 1.4;
  }
  section {
    transform: translateY(20px);
  }
  .hero__title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
  }
  .hero__subtitle {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  .hero__btn {
    width: 100%;
    text-align: center;
  }
  .container {
    max-width: 100%;
  }
}
@media (max-width: 360px) {
  html {
    font-size: clamp(13px, 5vw, 16px);
  }
  .hero__title {
    font-size: 1.75rem;
  }
  .hero__subtitle {
    font-size: 0.9rem;
  }
  .hero__btn {
    padding: 0.8rem 1.2rem;
    font-size: 1rem;
  }
}