#index-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding: 2.5rem 3rem;
  gap: 1.8rem;
  border-radius: var(--radius-lg);
  max-width: 700px;
  margin: 0 auto;
}

.section-wrapper:first-of-type {
  display: flex;
  align-items: center;
  justify-content: center;
}

#name-logo svg {
  width: 320px;
  max-width: 90%;
}

.index-hero {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 2rem 1rem;
}

.index-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin: 0 0 1rem 0;
}

.index-hero p {
  font-size: 1.2rem;
  opacity: 0.85;
  max-width: 700px;
  margin: 0.5rem auto 0;
  line-height: 1.6;
}

.button-group {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  justify-content: center;
}

.main-btn {
  padding: 1rem 2rem;
  font-size: 1.2rem;
}

.main-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.main-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  filter: grayscale(1);
}

.index-feature-section {
  width: 100%;
  max-width: 900px;
  margin: 4rem auto 0;
  padding: 2rem 1rem;
  text-align: center;
}

.index-feature-title {
  font-size: 2rem;
  margin-bottom: 1.2rem;
}

.index-feature-grid {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.index-feature-item {
  width: 260px;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  text-align: center;
}

.index-feature-item h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.4rem;
}

.index-feature-item p {
  opacity: 0.8;
  font-size: 0.9rem;
  line-height: 1.4;
}

@media (max-width: 700px) {
  #index-page {
    padding: 2rem 1rem;
    max-width: 95%;
  }

  #name-logo svg {
    width: 260px;
  }

  .button-group {
    flex-direction: column;
    gap: 0.8rem;
  }

  .main-btn {
    width: 100%;
    font-size: 1.1rem;
  }

  .index-hero h1 {
    font-size: 2.3rem;
  }

  .index-hero p {
    font-size: 1rem;
  }

  .index-feature-grid {
    gap: 0.8rem;
  }

  .index-feature-item {
    width: 100%;
  }
}