body {
  background: linear-gradient(120deg, #0f2027, #2c5364 100%);
  min-height: 100vh;
  font-family: 'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;
  color: #f5f7fa;
}
/* Glassmorphism effect for hero */
.hero {
  display: flex;
  align-items: flex-start; /* Move hero box upward */
  justify-content: center;
  min-height: 50vh;        /* Reduce height to move up */
  margin-top: 3em;         /* Add margin to push up if needed */
}
.hero-inner {
  background: rgba(255,255,255,0.10);
  border-radius: 24px;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.18);
  padding: 3em 2em;
  max-width: 600px;
  margin: 0 auto 0 auto; /* Remove all margin */
  /* Optionally, add a small bottom margin if you want a tiny gap */
  margin-bottom: 0.5em;
  text-align: center;
}
.hero-paragraph {
  font-size: 2.2em;
  font-weight: 600;
  margin-bottom: 1.5em;
  color: #fff;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(44,83,100,0.2);
}
/* Enhanced button */
.button.button-primary {
  font-size: 1.2em;
  padding: 1.2em 2.5em;
  border-radius: 32px;
  background: linear-gradient(90deg, #0270D7 0%, #00c6ff 100%);
  color: #fff;
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 16px rgba(2,112,215,0.15);
  transition: background 0.3s, transform 0.2s;
  text-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
.button.button-primary:hover, .button.button-primary:focus {
  background: linear-gradient(90deg, #00c6ff 0%, #0270D7 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 8px 24px rgba(2,112,215,0.25);
  text-decoration: none;
}
/* Logo + text side by side */
.brand.header-brand a {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.header-logo-image {
  width: 100px;
  height: auto;
  filter: drop-shadow(0 2px 8px rgba(2,112,215,0.15));
}
.brand.header-brand .site-name {
  font-size: 1.7em;
  color: #fff;
  margin-left: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px rgba(44,83,100,0.2);
}
/* Footer styles */
.site-footer {
  background: rgba(15,32,39,0.95);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 2em 0 1em 0;
  margin-top: 3em;
}
.site-footer-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.footer-left {
  display: flex;
  align-items: flex-start;
  flex: 1;
}
.footer-copyright {
  color: #b3c6e0;
  font-size: 1.3em;
  letter-spacing: 0.5px;
  font-weight: 700;
  margin: 0;
  text-align: left;
}
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5em;
}
.footer-social-links {
  display: flex;
  flex-direction: row;
  gap: 1.5em;
  margin: 0;
  padding: 0;
  list-style: none; /* Remove dots */
}
.footer-social-links li {
  margin: 0;
  padding: 0;
}
.footer-social-links svg {
  width: 48px;
  height: 48px;
  fill: #0270D7;
  background: #fff;
  border-radius: 50%;
  padding: 8px;
  display: block;
  transition: transform 0.2s, filter 0.2s, fill 0.2s;
  box-sizing: content-box;
}
.footer-social-links a:hover svg {
  transform: scale(1.15) rotate(-8deg);
  filter: drop-shadow(0 4px 16px #0270D7);
  fill: #005fa3; /* Slightly darker on hover */
}
.footer-social-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 8px rgba(2,112,215,0.10);
  transition: transform 0.2s, box-shadow 0.2s;
  display: block;
  padding: 4px;
}
.footer-social-links a:hover .footer-social-img {
  transform: scale(1.15) rotate(-8deg);
  box-shadow: 0 4px 16px #0270D7;
}
.footer-links {
  display: flex;
  flex-direction: row;
  gap: 2em;
  margin: 0;
  padding: 0;
}
.footer-links li {
  display: inline-block;
  margin: 0;
}
.footer-links a {
  color: #b3c6e0;
  font-weight: 500;
  font-size: 1.15em;
  transition: color 0.2s;
  text-decoration: none;
}
.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}

/* Centered copyright at bottom of footer */
.footer-copyright-center {
  width: 100%;
  text-align: center;
  color: #b3c6e0;
  font-size: 1.15em;
  font-weight: 700;
  margin-top: 2em;
  margin-bottom: 0.5em;
  letter-spacing: 0.5px;
}

/* No challenges section */
.no-challenges-section {
  text-align: center;
  margin-top: -4.5em; /* Move the box upward by using a negative margin */
}
.no-challenges-text {
  font-size: 2em;
  font-weight: bold;
  color: #fff;
  background: linear-gradient(90deg, #ff3b3b 0%, #ff7b7b 100%);
  padding: 1em 2em;
  border-radius: 16px;
  display: inline-block;
  margin: 1.5em auto 0 auto;
  box-shadow: 0 4px 24px rgba(255,59,59,0.15);
  letter-spacing: 1px;
}

/* Responsive tweaks */
@media (max-width: 900px) {
  .site-footer-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 1em;
  }
  .footer-right {
    align-items: flex-end;
    margin-top: 1em;
  }
}

@media (max-width: 600px) {
  .site-footer-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 1em;
  }
  .footer-left {
    align-items: flex-start;
  }
  .footer-social-links {
    gap: 1em;
  }
  .footer-links {
    gap: 1em;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
  .footer-right {
    align-items: flex-end;
    margin-top: 1em;
  }
  .footer-copyright {
    font-size: 1em;
    text-align: left;
  }
}