@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

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

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
}

.service-selector-container {
  min-height: 100vh;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #f5576c 75%,
    #4facfe 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  position: relative;
}

.service-selector-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(120, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 119, 198, 0.3) 0%,
      transparent 50%
    );
  pointer-events: none;
}

.service-card {
  width: 100%;
  max-width: 28rem;
  background-color: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px);
  border-radius: 2rem;
  padding: 3rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 1px rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-header {
  text-align: center;
  margin-bottom: 2rem;
}

.service-title {
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 0.5rem;
  font-size: 2rem;
  line-height: 2.5rem;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.025em;
}

.service-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.13rem;
  margin-bottom: 2rem;
  text-align: center;
}

.service-buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.service-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: #ffffff;
  padding: 1.25rem 2rem;
  border-radius: 1.25rem;
  font-weight: 700;
  font-size: 1.13rem;
  line-height: 1.75rem;
  transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: inherit;
}

.service-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 600ms;
}

.service-button:hover::before {
  left: 100%;
}

.service-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.telegram-button {
  background: linear-gradient(135deg, #0088cc 0%, #0066aa 100%);
}

.gmail-button {
  background: linear-gradient(135deg, #ea4335 0%, #d33b2c 100%);
}

.facebook-button {
  background: linear-gradient(135deg, #1877f2 0%, #166fe5 100%);
}

.twitter-button {
  background: linear-gradient(135deg, #1da1f2 0%, #1a91da 100%);
}

@media (max-width: 640px) {
  .service-selector-container {
    padding: 1rem;
  }

  .service-title {
    font-size: 1.75rem;
    line-height: 2rem;
  }

  .service-description {
    font-size: 1rem;
  }

  .service-button {
    font-size: 1rem;
    line-height: 1.5rem;
    padding: 1rem 1.5rem;
  }

  .service-icon {
    width: 1.25rem;
    height: 1.25rem;
  }
}