auth20/src/Landing.css
/* light theme */
.light {
  --bg-color: #f5f7fa;
  --text-color: #2d3748;
  --header-bg: #2c5282;
  --card-bg: #ffffff;
  --button-bg: #48bb78;
  --button-hover: #38a169;
  --shadow-color: rgba(0, 0, 0, 0.1);
  ---btn-txt:white;
}

/* Dark theme  */
.dark {
  --bg-color: #1a202c;
  --text-color: #f7fafc;
  --header-bg: #2d3748;
  --card-bg: #2d3748;
  --button-bg: #e3fc01;
  --button-hover: #38a169;
  --shadow-color: rgba(0, 0, 0, 0.3);
}


body {
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: all 0.3s ease;
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
}

header {
  background-color: var(--header-bg);
  padding: 1.2rem;
  text-align: center;
  position: relative;
  box-shadow: 0 2px 10px var(--shadow-color);
}

header h3 {
  margin: 0;
  font-size: 1.8rem;
  
}
h3{
  color: var(--text-color);
}

.main-content {
  background-color: var(--card-bg);
  padding: 2.5rem;
  margin: 2rem auto;
  max-width: 800px;
  border-radius: 15px;
  box-shadow: 0 4px 20px var(--shadow-color);
}


.theme-btn {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: 1px solid rgb(246, 243, 243);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: transform 0.3s ease;
}

.theme-btn:hover {
  transform: translateY(-50%) scale(1.1);
}

.ra {
  background-color: var(--button-bg);
  color: white;
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.ra{
  color: var(---btn-txt)
}

.ra::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.ra:hover {
  background-color: var(--button-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.ra:hover::before {
  width: 300px;
  height: 300px;
}

.ra:active {
  transform: translateY(1px);
}

.features-list {
  list-style: none;
  padding: 0;
}

.features-list li {
  color: var(--text-color);
  padding: 12px 0;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}


img {
  border-radius: 50%;
  margin: 20px 0;
  box-shadow: 0 4px 15px var(--shadow-color);
}

.button-container {
  text-align: center;
  margin: 2rem 0;
}
