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

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #e2e8f0;
  overflow: hidden;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
  padding: 2rem;
  text-align: center;
}

.logo {
  max-width: 280px;
  max-height: 360px;
  width: auto;
  height: auto;
  filter: drop-shadow(0 8px 24px rgba(14, 165, 233, 0.25));
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.03);
}

.btn-repositories {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.025em;
  color: #0f172a;
  background: linear-gradient(135deg, #0ea5e9 0%, #14b8a6 100%);
  border: none;
  border-radius: 9999px;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
  transition: all 0.25s ease;
}

.btn-repositories:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(14, 165, 233, 0.55);
  background: linear-gradient(135deg, #38bdf8 0%, #2dd4bf 100%);
}

.btn-repositories:active {
  transform: translateY(0);
}

/* Subtle ambient glow */
.glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.12) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
}