:root {
  --orange: #ff7a00;
  --orange-hover: #ff8c20;
  --orange-glow: rgba(255, 122, 0, 0.4);
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: radial-gradient(circle at 50% 0%, rgb(28, 28, 28), rgb(0, 0, 0));
  background-attachment: fixed;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: 1rem;
  overflow-x: hidden;
  opacity: 0;
  transition: opacity 0.8s ease;
}

body.loaded {
  opacity: 1;
}

.logo {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: normal;
  color: var(--white);
}

.version {
  font-size: 14px;
  color: #888;
  margin-bottom: 24px;
}

.main-button {
  background: linear-gradient(145deg, #ff7a00, #ff5400);
  color: #000;
  padding: 16px 40px;
  font-size: 18px;
  font-weight: 700;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px var(--orange-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-decoration: none;
  width: fit-content;
  min-width: 260px;
  max-width: 380px;
  white-space: nowrap;
}

.main-button:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 16px var(--orange-glow);
}

.links-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 19.2px;
  margin-top: 32px;
  width: 100%;
  max-width: 420px;
}

.link-item {
  color: var(--orange);
  border: 0.5px solid var(--orange);
  background: transparent;
  padding: 16px;
  font-size: 15px;
  font-weight: normal;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(255, 122, 0, 0.15);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-decoration: none;
  text-align: center;
}

.link-item:hover {
  background: rgba(255, 122, 0, 0.05);
  box-shadow: 0 0 15px rgba(255, 122, 0, 0.3);
}

@media (min-width: 600px) {
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 600px;
    column-gap: 24px;
    row-gap: 16px;
  }

  .link-item {
    flex-direction: column;
    padding: 24px 32px;
    min-height: 90px;
    gap: 8px;
  }

  .link-item i {
    font-size: 1.6rem;
  }
}

.footer {
  margin-top: 4rem;
  font-size: 0.85rem;
  color: #444;
  padding: 0 1rem;
  text-align: center;
  max-width: 800px;
}

i {
  font-size: 1.4rem;
}

@media (max-width: 599px) {
  .logo {
    font-size: 36px;
  }

  .main-button {
    padding: 16px 24px;
    font-size: 18px;
  }

  .link-item {
    padding: 16px;
  }
}