:root {
  --primary: #3b82f6;
  --dark: #1e293b;
  --light: #f8fafc;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  color: var(--dark);
  line-height: 1.5;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: bold;
  font-size: 1.5rem;
  color: var(--primary);
}

.hero {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(to bottom, #e0f2fe, #fff);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: #64748b;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

#signup-form {
  max-width: 400px;
  margin: 0 auto;
  display: none;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
}

input {
  padding: 12px 20px;
  border: 1px solid #000;
  /* border: 1px solid #cbd5e1; */
  border-radius: 3px;
  /* flex: 1; */
  font-size: 1rem;
}

button {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #2563eb;
}

.features {
  padding: 80px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.feature-card {
  padding: 20px;
  border-radius: 12px;
  background: var(--light);
  text-align: center;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 15px;
  display: block;
}

footer {
  text-align: center;
  padding: 40px 0;
  border-top: 1px solid #e2e8f0;
  color: #64748b;
}

footer a {
  color: var(--primary);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}