html, body {
  margin: 0;
  padding: 0;
  height: auto;
  background: transparent;
  font-family: "neue-haas-grotesk-display", sans-serif;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.section {
  width: 100vw;
  height: 100vh;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.HOMEPAGE_CONTAINER {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  z-index: 1;
  pointer-events: none;
}

#HOMEPAGE_VIDEO {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: filter 0.2s linear, opacity 0.2s linear;
  z-index: -2;
}

#HEADER_TEXT,
.FOOTER_TEXT {
  position: fixed;
  left: 18px;
  z-index: 10001;
  transition: color 0.3s linear;
  pointer-events: none;
}

#HEADER_TEXT {
  top: 12px;
  font-size: 18px;
  font-weight: 600;
}

.FOOTER_TEXT {
  bottom: 12px;
  font-size: 12px;
  font-weight: normal;
}

.transition-section {
  background: transparent;
  color: black;
}

.portfolio-section {
  background: white;
  position: relative;
  z-index: 3;
}

.portfolio-grid-wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  padding: 60px 5vw;  animation: fadeInGrid 1.2s ease forwards;
  opacity: 0;
  animation-delay: 0.3s;
  max-width: 1200px;
  width: 90vw;
}

.portfolio-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 48px;
}

@keyframes fadeInGrid {
  to {
    opacity: 1;
  }
}

.project {
  flex: 1 1 30%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.4s ease;
}

.rectangle {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #e0e0e0;
  border-radius: 8px;
  transition: all 0.4s ease;
}

.project:hover .rectangle {
  transform: scale(1.12);
  background: #d0d0d0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.label {
  margin-top: 12px;
  font-size: 1.2rem;
  color: #333;
  text-align: center;
}

@media (max-width: 768px) {
  .label {
    font-size: 1rem;
  }

  .portfolio-grid {
    flex-direction: column;
  }

  .project {
    max-width: 90%;
  }
}

.fullscreen-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #e0e0e0;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease forwards;
}

.expanded-rectangle {
  width: 100vw;
  height: 100vh;
  background-color: transparent;
  border-radius: 0;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}


@media (min-width: 600px) {
  .portfolio-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    padding: 40px 20px;
    flex-wrap: nowrap;
  }

  .project {
    flex: 1 1 0;
    max-width: 300px;
  }
}

@media (max-width: 599px) {
  .portfolio-grid {
    flex-direction: column;
    align-items: center;
  }

  .project {
    width: 80%;
  }

  .label {
    font-size: 1.5rem;
  }
}