html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  font-family: 'Poppins', sans-serif;
}

:root {
  --bg-color: #ffffff;
  --text-color: #222;
  --btn-bg: linear-gradient(45deg, #000000, #333333);
  --btn-text: #ffffff;
  --logo-filter: brightness(0);
}

body.dark {
  --bg-color: #1b0000;
  --text-color: #ddd;
  --btn-bg: linear-gradient(45deg, #a12020, #4e0000);
  --btn-text: #ffffff;
  --logo-filter: none;
}

* {
  box-sizing: border-box;
  margin: 1;
  padding: 0;
}

body {
  background: var(--bg-color);
  color: var(--text-color);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  flex-direction: column;
  padding: 20px;
  transition: background 0.3s ease, color 0.3s ease;
}

.dark-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: 2px solid var(--text-color);
  color: var(--text-color);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.3s ease, color 0.3s ease;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 900px;
  width: 100%;
  text-align: center;
}

.hero {
  margin-bottom: 40px;
}

.logo {
  width: 600px;
  max-width: 90vw;
  height: auto;
  filter: var(--logo-filter);
  margin-bottom: 20px;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.hero h2 {
  font-size: 1.4rem;
  animation: fadeInUp 1s ease-in-out;
  color: var(--text-color);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* For larger screens (desktops) - horizontal button layout */
.button-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  max-width: 700px;
  width: 100%;
  margin-top: 20px;
}

/* Custom Button Styling */
.button {
  font-size: 17px;
  border-radius: 12px;
  background: linear-gradient(180deg, rgb(56, 56, 56) 0%, rgb(36, 36, 36) 66%, rgb(41, 41, 41) 100%);
  color: rgb(218, 218, 218);
  border: none;
  padding: 2px;
  font-weight: 300;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

.button span {
  border-radius: 10px;
  padding: 0.8em 1.3em;
  padding-right: 1.2em;
  text-shadow: 0px 0px 20px #4b4b4b;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  background-color: rgb(29, 29, 29);
  background-image: radial-gradient(at 95% 89%, rgb(15, 15, 15) 0px, transparent 50%), radial-gradient(at 0% 100%, rgb(17, 17, 17) 0px, transparent 50%), radial-gradient(at 0% 0%, rgb(29, 29, 29) 0px, transparent 50%);
  transition: background-color 0.3s ease;
}

.button:hover span {
  background-color: rgb(26, 25, 25);
}

.button-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-conic-gradient(rgb(48, 47, 47) 0.0000001%, rgb(51, 51, 51) 0.000104%) 60% 60%/600% 600%;
  filter: opacity(10%) contrast(105%);
  -webkit-filter: opacity(10%) contrast(105%);
}

.button svg {
  width: 15px;
  height: 15px;
}

/* For small screens (mobiles) - vertical button layout */
@media (max-width: 600px) {
  .button-grid {
    display: flex;
    flex-direction: column;
    align-items: center; /* Center buttons horizontally */
    gap: 15px;
    width: 100%;
  }

  .button {
    font-size: 16px;
    padding: 1em 2em;
    width: 90%; /* Reduced width to fit better on small screens */
  }

  .hero h2 {
    font-size: 1.1rem;
  }
}

.content {
  flex-grow: 1;
  padding: 20px;
}

/* Light mode default variables */
:root {
  --footer-bg: #333;
  --footer-text: white;
}

/* Dark mode specific variables */
body.dark {
  --footer-bg: #222;
  --footer-text: #ddd;
}